diff options
| author | Patrick Georgi <patrick@georgi-clan.de> | 2015-07-17 23:35:54 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-08-20 14:39:01 +0000 |
| commit | af473ede1f8ff5fc63609b914570aad21827b2e7 (patch) | |
| tree | c3eba483c7a981d289617559bbdc1288336de1eb /util/crossgcc/patches/gcc-4.9.2_riscv.patch | |
| parent | f58746bd33f28bc7625e4fd6b166b6f977253c7d (diff) | |
| download | coreboot-af473ede1f8ff5fc63609b914570aad21827b2e7.tar.xz | |
crossgcc: Update gcc to 5.2.0
All compilers built, incl. x86_64-elf as multilib and riscv-elf.
Change-Id: Iafa61b1d2ffc9c737ab67a417c62417593b69372
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10975
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'util/crossgcc/patches/gcc-4.9.2_riscv.patch')
| -rw-r--r-- | util/crossgcc/patches/gcc-4.9.2_riscv.patch | 11296 |
1 files changed, 0 insertions, 11296 deletions
diff --git a/util/crossgcc/patches/gcc-4.9.2_riscv.patch b/util/crossgcc/patches/gcc-4.9.2_riscv.patch deleted file mode 100644 index 942b48f815..0000000000 --- a/util/crossgcc/patches/gcc-4.9.2_riscv.patch +++ /dev/null @@ -1,11296 +0,0 @@ -Created from https://github.com/riscv/riscv-gnu-toolchain, -commit ddce5d17f14831f4957e57c415aca77817c2a82c - -diff -urN original-gcc/config.sub gcc/config.sub ---- original-gcc/config.sub 2013-10-01 18:50:56.000000000 +0200 -+++ gcc-4.9.2/config.sub 2015-03-07 09:57:54.195132741 +0100 -@@ -334,6 +334,9 @@ - ms1) - basic_machine=mt-unknown - ;; -+ riscv) -+ basic_machine=riscv-ucb -+ ;; - - strongarm | thumb | xscale) - basic_machine=arm-unknown -diff -urN original-gcc/gcc/common/config/riscv/riscv-common.c gcc/gcc/common/config/riscv/riscv-common.c ---- original-gcc/gcc/common/config/riscv/riscv-common.c 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/common/config/riscv/riscv-common.c 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,128 @@ -+/* Common hooks for RISC-V. -+ Copyright (C) 1989-2014 Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "common/common-target.h" -+#include "common/common-target-def.h" -+#include "opts.h" -+#include "flags.h" -+#include "errors.h" -+ -+/* Parse a RISC-V ISA string into an option mask. */ -+ -+static void -+riscv_parse_arch_string (const char *isa, int *flags) -+{ -+ const char *p = isa; -+ -+ if (strncmp (p, "RV32", 4) == 0) -+ *flags |= MASK_32BIT, p += 4; -+ else if (strncmp (p, "RV64", 4) == 0) -+ *flags &= ~MASK_32BIT, p += 4; -+ -+ if (*p++ != 'I') -+ { -+ error ("-march=%s: ISA strings must begin with I, RV32I, or RV64I", isa); -+ return; -+ } -+ -+ *flags &= ~MASK_MULDIV; -+ if (*p == 'M') -+ *flags |= MASK_MULDIV, p++; -+ -+ *flags &= ~MASK_ATOMIC; -+ if (*p == 'A') -+ *flags |= MASK_ATOMIC, p++; -+ -+ *flags |= MASK_SOFT_FLOAT_ABI; -+ if (*p == 'F') -+ *flags &= ~MASK_SOFT_FLOAT_ABI, p++; -+ -+ if (*p == 'D') -+ { -+ p++; -+ if (!TARGET_HARD_FLOAT) -+ { -+ error ("-march=%s: the D extension requires the F extension", isa); -+ return; -+ } -+ } -+ else if (TARGET_HARD_FLOAT) -+ { -+ error ("-march=%s: single-precision-only is not yet supported", isa); -+ return; -+ } -+ -+ if (*p) -+ { -+ error ("-march=%s: unsupported ISA substring %s", isa, p); -+ return; -+ } -+} -+ -+static int -+riscv_flags_from_arch_string (const char *isa) -+{ -+ int flags = 0; -+ riscv_parse_arch_string (isa, &flags); -+ return flags; -+} -+ -+/* Implement TARGET_HANDLE_OPTION. */ -+ -+static bool -+riscv_handle_option (struct gcc_options *opts, -+ struct gcc_options *opts_set ATTRIBUTE_UNUSED, -+ const struct cl_decoded_option *decoded, -+ location_t loc ATTRIBUTE_UNUSED) -+{ -+ switch (decoded->opt_index) -+ { -+ case OPT_march_: -+ riscv_parse_arch_string (decoded->arg, &opts->x_target_flags); -+ return true; -+ -+ default: -+ return true; -+ } -+} -+ -+/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */ -+static const struct default_options riscv_option_optimization_table[] = -+ { -+ { OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 }, -+ { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 }, -+ { OPT_LEVELS_NONE, 0, NULL, 0 } -+ }; -+ -+#undef TARGET_OPTION_OPTIMIZATION_TABLE -+#define TARGET_OPTION_OPTIMIZATION_TABLE riscv_option_optimization_table -+ -+#undef TARGET_DEFAULT_TARGET_FLAGS -+#define TARGET_DEFAULT_TARGET_FLAGS \ -+ (riscv_flags_from_arch_string (RISCV_ARCH_STRING_DEFAULT) \ -+ | (TARGET_64BIT_DEFAULT ? 0 : MASK_32BIT)) -+ -+#undef TARGET_HANDLE_OPTION -+#define TARGET_HANDLE_OPTION riscv_handle_option -+ -+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; -diff -urN original-gcc/gcc/config/riscv/constraints.md gcc/gcc/config/riscv/constraints.md ---- original-gcc/gcc/config/riscv/constraints.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/constraints.md 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,90 @@ -+;; Constraint definitions for RISC-V target. -+;; Copyright (C) 2011-2014 Free Software Foundation, Inc. -+;; Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+;; Based on MIPS target for GNU compiler. -+;; -+;; This file is part of GCC. -+;; -+;; GCC is free software; you can redistribute it and/or modify -+;; it under the terms of the GNU General Public License as published by -+;; the Free Software Foundation; either version 3, or (at your option) -+;; any later version. -+;; -+;; GCC is distributed in the hope that it will be useful, -+;; but WITHOUT ANY WARRANTY; without even the implied warranty of -+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+;; GNU General Public License for more details. -+;; -+;; You should have received a copy of the GNU General Public License -+;; along with GCC; see the file COPYING3. If not see -+;; <http://www.gnu.org/licenses/>. -+ -+;; Register constraints -+ -+(define_register_constraint "f" "TARGET_HARD_FLOAT ? FP_REGS : NO_REGS" -+ "A floating-point register (if available).") -+ -+(define_register_constraint "b" "ALL_REGS" -+ "@internal") -+ -+(define_register_constraint "j" "T_REGS" -+ "@internal") -+ -+;; Integer constraints -+ -+(define_constraint "Z" -+ "@internal" -+ (and (match_code "const_int") -+ (match_test "1"))) -+ -+(define_constraint "I" -+ "An I-type 12-bit signed immediate." -+ (and (match_code "const_int") -+ (match_test "SMALL_OPERAND (ival)"))) -+ -+(define_constraint "J" -+ "Integer zero." -+ (and (match_code "const_int") -+ (match_test "ival == 0"))) -+ -+;; Floating-point constraints -+ -+(define_constraint "G" -+ "Floating-point zero." -+ (and (match_code "const_double") -+ (match_test "op == CONST0_RTX (mode)"))) -+ -+;; General constraints -+ -+(define_constraint "Q" -+ "@internal" -+ (match_operand 0 "const_arith_operand")) -+ -+(define_memory_constraint "A" -+ "An address that is held in a general-purpose register." -+ (and (match_code "mem") -+ (match_test "GET_CODE(XEXP(op,0)) == REG"))) -+ -+(define_constraint "S" -+ "@internal -+ A constant call address." -+ (and (match_operand 0 "call_insn_operand") -+ (match_test "CONSTANT_P (op)"))) -+ -+(define_constraint "T" -+ "@internal -+ A constant @code{move_operand}." -+ (and (match_operand 0 "move_operand") -+ (match_test "CONSTANT_P (op)"))) -+ -+(define_memory_constraint "W" -+ "@internal -+ A memory address based on a member of @code{BASE_REG_CLASS}." -+ (and (match_code "mem") -+ (match_operand 0 "memory_operand"))) -+ -+(define_constraint "YG" -+ "@internal -+ A vector zero." -+ (and (match_code "const_vector") -+ (match_test "op == CONST0_RTX (mode)"))) -diff -urN original-gcc/gcc/config/riscv/default-32.h gcc/gcc/config/riscv/default-32.h ---- original-gcc/gcc/config/riscv/default-32.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/default-32.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,22 @@ -+/* Definitions of target machine for GCC, for RISC-V, -+ defaulting to 32-bit code generation. -+ -+ Copyright (C) 1999-2014 Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#define TARGET_64BIT_DEFAULT 0 -diff -urN original-gcc/gcc/config/riscv/elf.h gcc/gcc/config/riscv/elf.h ---- original-gcc/gcc/config/riscv/elf.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/elf.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,31 @@ -+/* Target macros for riscv*-elf targets. -+ Copyright (C) 1994, 1997, 1999, 2000, 2002, 2003, 2004, 2007, 2010 -+ Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+/* Leave the linker script to choose the appropriate libraries. */ -+#undef LIB_SPEC -+#define LIB_SPEC "" -+ -+#undef STARTFILE_SPEC -+#define STARTFILE_SPEC "crt0%O%s crtbegin%O%s" -+ -+#undef ENDFILE_SPEC -+#define ENDFILE_SPEC "crtend%O%s" -+ -+#define NO_IMPLICIT_EXTERN_C 1 -diff -urN original-gcc/gcc/config/riscv/generic.md gcc/gcc/config/riscv/generic.md ---- original-gcc/gcc/config/riscv/generic.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/generic.md 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,98 @@ -+;; Generic DFA-based pipeline description for RISC-V targets. -+;; Copyright (C) 2011-2014 Free Software Foundation, Inc. -+;; Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+;; Based on MIPS target for GNU compiler. -+ -+;; This file is part of GCC. -+ -+;; GCC is free software; you can redistribute it and/or modify it -+;; under the terms of the GNU General Public License as published -+;; by the Free Software Foundation; either version 3, or (at your -+;; option) any later version. -+ -+;; GCC is distributed in the hope that it will be useful, but WITHOUT -+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -+;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -+;; License for more details. -+ -+;; You should have received a copy of the GNU General Public License -+;; along with GCC; see the file COPYING3. If not see -+;; <http://www.gnu.org/licenses/>. -+ -+ -+;; This file is derived from the old define_function_unit description. -+;; Each reservation can be overridden on a processor-by-processor basis. -+ -+(define_insn_reservation "generic_alu" 1 -+ (eq_attr "type" "unknown,const,arith,shift,slt,multi,nop,logical,move") -+ "alu") -+ -+(define_insn_reservation "generic_load" 3 -+ (eq_attr "type" "load,fpload,fpidxload") -+ "alu") -+ -+(define_insn_reservation "generic_store" 1 -+ (eq_attr "type" "store,fpstore,fpidxstore") -+ "alu") -+ -+(define_insn_reservation "generic_xfer" 2 -+ (eq_attr "type" "mfc,mtc") -+ "alu") -+ -+(define_insn_reservation "generic_branch" 1 -+ (eq_attr "type" "branch,jump,call") -+ "alu") -+ -+(define_insn_reservation "generic_imul" 17 -+ (eq_attr "type" "imul") -+ "imuldiv*17") -+ -+(define_insn_reservation "generic_idiv" 38 -+ (eq_attr "type" "idiv") -+ "imuldiv*38") -+ -+(define_insn_reservation "generic_fcvt" 1 -+ (eq_attr "type" "fcvt") -+ "alu") -+ -+(define_insn_reservation "generic_fmove" 2 -+ (eq_attr "type" "fmove") -+ "alu") -+ -+(define_insn_reservation "generic_fcmp" 3 -+ (eq_attr "type" "fcmp") -+ "alu") -+ -+(define_insn_reservation "generic_fadd" 4 -+ (eq_attr "type" "fadd") -+ "alu") -+ -+(define_insn_reservation "generic_fmul_single" 7 -+ (and (eq_attr "type" "fmul,fmadd") -+ (eq_attr "mode" "SF")) -+ "alu") -+ -+(define_insn_reservation "generic_fmul_double" 8 -+ (and (eq_attr "type" "fmul,fmadd") -+ (eq_attr "mode" "DF")) -+ "alu") -+ -+(define_insn_reservation "generic_fdiv_single" 23 -+ (and (eq_attr "type" "fdiv") -+ (eq_attr "mode" "SF")) -+ "alu") -+ -+(define_insn_reservation "generic_fdiv_double" 36 -+ (and (eq_attr "type" "fdiv") -+ (eq_attr "mode" "DF")) -+ "alu") -+ -+(define_insn_reservation "generic_fsqrt_single" 54 -+ (and (eq_attr "type" "fsqrt") -+ (eq_attr "mode" "SF")) -+ "alu") -+ -+(define_insn_reservation "generic_fsqrt_double" 112 -+ (and (eq_attr "type" "fsqrt") -+ (eq_attr "mode" "DF")) -+ "alu") -diff -urN original-gcc/gcc/config/riscv/linux64.h gcc/gcc/config/riscv/linux64.h ---- original-gcc/gcc/config/riscv/linux64.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/linux64.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,43 @@ -+/* Definitions for 64-bit RISC-V GNU/Linux systems with ELF format. -+ Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010, 2011 -+ Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+/* Force the default ABI flags onto the command line -+ in order to make the other specs easier to write. */ -+#undef LIB_SPEC -+#define LIB_SPEC "\ -+%{pthread:-lpthread} \ -+%{shared:-lc} \ -+%{!shared: \ -+ %{profile:-lc_p} %{!profile:-lc}}" -+ -+#define GLIBC_DYNAMIC_LINKER32 "/lib32/ld.so.1" -+#define GLIBC_DYNAMIC_LINKER64 "/lib/ld.so.1" -+ -+#undef LINK_SPEC -+#define LINK_SPEC "\ -+%{shared} \ -+ %{!shared: \ -+ %{!static: \ -+ %{rdynamic:-export-dynamic} \ -+ %{" OPT_ARCH64 ": -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \ -+ %{" OPT_ARCH32 ": -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ -+ %{static:-static}} \ -+%{" OPT_ARCH64 ":-melf64lriscv} \ -+%{" OPT_ARCH32 ":-melf32lriscv}" -diff -urN original-gcc/gcc/config/riscv/linux.h gcc/gcc/config/riscv/linux.h ---- original-gcc/gcc/config/riscv/linux.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/linux.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,60 @@ -+/* Definitions for RISC-V GNU/Linux systems with ELF format. -+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, -+ 2007, 2008, 2010, 2011 Free Software Foundation, Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#undef WCHAR_TYPE -+#define WCHAR_TYPE "int" -+ -+#undef WCHAR_TYPE_SIZE -+#define WCHAR_TYPE_SIZE 32 -+ -+#define TARGET_OS_CPP_BUILTINS() \ -+ do { \ -+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \ -+ /* The GNU C++ standard library requires this. */ \ -+ if (c_dialect_cxx ()) \ -+ builtin_define ("_GNU_SOURCE"); \ -+ } while (0) -+ -+#undef SUBTARGET_CPP_SPEC -+#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" -+ -+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" -+ -+/* Borrowed from sparc/linux.h */ -+#undef LINK_SPEC -+#define LINK_SPEC \ -+ "%{shared:-shared} \ -+ %{!shared: \ -+ %{!static: \ -+ %{rdynamic:-export-dynamic} \ -+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \ -+ %{static:-static}}" -+ -+#undef LIB_SPEC -+#define LIB_SPEC "\ -+%{pthread:-lpthread} \ -+%{shared:-lc} \ -+%{!shared: \ -+ %{profile:-lc_p} %{!profile:-lc}}" -+ -+/* Similar to standard Linux, but adding -ffast-math support. */ -+#undef ENDFILE_SPEC -+#define ENDFILE_SPEC \ -+ "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" -diff -urN original-gcc/gcc/config/riscv/opcode-riscv.h gcc/gcc/config/riscv/opcode-riscv.h ---- original-gcc/gcc/config/riscv/opcode-riscv.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/opcode-riscv.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,149 @@ -+/* RISC-V ISA encoding. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GDB, GAS, and the GNU binutils. -+ -+GDB, GAS, and the GNU binutils are free software; you can redistribute -+them and/or modify them under the terms of the GNU General Public -+License as published by the Free Software Foundation; either version -+1, or (at your option) any later version. -+ -+GDB, GAS, and the GNU binutils are distributed in the hope that they -+will be useful, but WITHOUT ANY WARRANTY; without even the implied -+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See -+the GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with this file; see the file COPYING. If not, write to the Free -+Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ -+ -+#ifndef _RISCV_H_ -+#define _RISCV_H_ -+ -+#define RV_X(x, s, n) (((x) >> (s)) & ((1<<(n))-1)) -+#define RV_IMM_SIGN(x) (-(((x) >> 31) & 1)) -+ -+#define EXTRACT_ITYPE_IMM(x) \ -+ (RV_X(x, 20, 12) | (RV_IMM_SIGN(x) << 12)) -+#define EXTRACT_STYPE_IMM(x) \ -+ (RV_X(x, 7, 5) | (RV_X(x, 25, 7) << 5) | (RV_IMM_SIGN(x) << 12)) -+#define EXTRACT_SBTYPE_IMM(x) \ -+ ((RV_X(x, 8, 4) << 1) | (RV_X(x, 25, 6) << 5) | (RV_X(x, 7, 1) << 11) | (RV_IMM_SIGN(x) << 12)) -+#define EXTRACT_UTYPE_IMM(x) \ -+ ((RV_X(x, 12, 20) << 20) | (RV_IMM_SIGN(x) << 32)) -+#define EXTRACT_UJTYPE_IMM(x) \ -+ ((RV_X(x, 21, 10) << 1) | (RV_X(x, 20, 1) << 11) | (RV_X(x, 12, 8) << 12) | (RV_IMM_SIGN(x) << 20)) -+ -+#define ENCODE_ITYPE_IMM(x) \ -+ (RV_X(x, 0, 12) << 20) -+#define ENCODE_STYPE_IMM(x) \ -+ ((RV_X(x, 0, 5) << 7) | (RV_X(x, 5, 7) << 25)) -+#define ENCODE_SBTYPE_IMM(x) \ -+ ((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | (RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31)) -+#define ENCODE_UTYPE_IMM(x) \ -+ (RV_X(x, 12, 20) << 12) -+#define ENCODE_UJTYPE_IMM(x) \ -+ ((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | (RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31)) -+ -+#define VALID_ITYPE_IMM(x) (EXTRACT_ITYPE_IMM(ENCODE_ITYPE_IMM(x)) == (x)) -+#define VALID_STYPE_IMM(x) (EXTRACT_STYPE_IMM(ENCODE_STYPE_IMM(x)) == (x)) -+#define VALID_SBTYPE_IMM(x) (EXTRACT_SBTYPE_IMM(ENCODE_SBTYPE_IMM(x)) == (x)) -+#define VALID_UTYPE_IMM(x) (EXTRACT_UTYPE_IMM(ENCODE_UTYPE_IMM(x)) == (x)) -+#define VALID_UJTYPE_IMM(x) (EXTRACT_UJTYPE_IMM(ENCODE_UJTYPE_IMM(x)) == (x)) -+ -+#define RISCV_RTYPE(insn, rd, rs1, rs2) \ -+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2)) -+#define RISCV_ITYPE(insn, rd, rs1, imm) \ -+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ((rs1) << OP_SH_RS1) | ENCODE_ITYPE_IMM(imm)) -+#define RISCV_STYPE(insn, rs1, rs2, imm) \ -+ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_STYPE_IMM(imm)) -+#define RISCV_SBTYPE(insn, rs1, rs2, target) \ -+ ((MATCH_ ## insn) | ((rs1) << OP_SH_RS1) | ((rs2) << OP_SH_RS2) | ENCODE_SBTYPE_IMM(target)) -+#define RISCV_UTYPE(insn, rd, bigimm) \ -+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UTYPE_IMM(bigimm)) -+#define RISCV_UJTYPE(insn, rd, target) \ -+ ((MATCH_ ## insn) | ((rd) << OP_SH_RD) | ENCODE_UJTYPE_IMM(target)) -+ -+#define RISCV_NOP RISCV_ITYPE(ADDI, 0, 0, 0) -+ -+#define RISCV_CONST_HIGH_PART(VALUE) \ -+ (((VALUE) + (RISCV_IMM_REACH/2)) & ~(RISCV_IMM_REACH-1)) -+#define RISCV_CONST_LOW_PART(VALUE) ((VALUE) - RISCV_CONST_HIGH_PART (VALUE)) -+ -+/* RV fields */ -+ -+#define OP_MASK_OP 0x7f -+#define OP_SH_OP 0 -+#define OP_MASK_RS2 0x1f -+#define OP_SH_RS2 20 -+#define OP_MASK_RS1 0x1f -+#define OP_SH_RS1 15 -+#define OP_MASK_RS3 0x1f -+#define OP_SH_RS3 27 -+#define OP_MASK_RD 0x1f -+#define OP_SH_RD 7 -+#define OP_MASK_SHAMT 0x3f -+#define OP_SH_SHAMT 20 -+#define OP_MASK_SHAMTW 0x1f -+#define OP_SH_SHAMTW 20 -+#define OP_MASK_RM 0x7 -+#define OP_SH_RM 12 -+#define OP_MASK_PRED 0xf -+#define OP_SH_PRED 24 -+#define OP_MASK_SUCC 0xf -+#define OP_SH_SUCC 20 -+#define OP_MASK_AQ 0x1 -+#define OP_SH_AQ 26 -+#define OP_MASK_RL 0x1 -+#define OP_SH_RL 25 -+ -+#define OP_MASK_VRD 0x1f -+#define OP_SH_VRD 7 -+#define OP_MASK_VRS 0x1f -+#define OP_SH_VRS 15 -+#define OP_MASK_VRT 0x1f -+#define OP_SH_VRT 20 -+#define OP_MASK_VRR 0x1f -+#define OP_SH_VRR 25 -+ -+#define OP_MASK_VFD 0x1f -+#define OP_SH_VFD 7 -+#define OP_MASK_VFS 0x1f -+#define OP_SH_VFS 15 -+#define OP_MASK_VFT 0x1f -+#define OP_SH_VFT 20 -+#define OP_MASK_VFR 0x1f -+#define OP_SH_VFR 25 -+ -+#define OP_MASK_IMMNGPR 0x3f -+#define OP_SH_IMMNGPR 20 -+#define OP_MASK_IMMNFPR 0x3f -+#define OP_SH_IMMNFPR 26 -+#define OP_MASK_IMMSEGNELM 0x1f -+#define OP_SH_IMMSEGNELM 17 -+#define OP_MASK_IMMSEGSTNELM 0x1f -+#define OP_SH_IMMSEGSTNELM 12 -+#define OP_MASK_CUSTOM_IMM 0x7f -+#define OP_SH_CUSTOM_IMM 25 -+ -+#define LINK_REG 1 -+ -+#define RISCV_JUMP_BITS RISCV_BIGIMM_BITS -+#define RISCV_JUMP_ALIGN_BITS 1 -+#define RISCV_JUMP_ALIGN (1 << RISCV_JUMP_ALIGN_BITS) -+#define RISCV_JUMP_REACH ((1ULL<<RISCV_JUMP_BITS)*RISCV_JUMP_ALIGN) -+ -+#define RISCV_IMM_BITS 12 -+#define RISCV_BIGIMM_BITS (32-RISCV_IMM_BITS) -+#define RISCV_IMM_REACH (1LL<<RISCV_IMM_BITS) -+#define RISCV_BIGIMM_REACH (1LL<<RISCV_BIGIMM_BITS) -+#define RISCV_BRANCH_BITS RISCV_IMM_BITS -+#define RISCV_BRANCH_ALIGN_BITS RISCV_JUMP_ALIGN_BITS -+#define RISCV_BRANCH_ALIGN (1 << RISCV_BRANCH_ALIGN_BITS) -+#define RISCV_BRANCH_REACH (RISCV_IMM_REACH*RISCV_BRANCH_ALIGN) -+ -+#include "riscv-opc.h" -+ -+#endif /* _RISCV_H_ */ -diff -urN original-gcc/gcc/config/riscv/peephole.md gcc/gcc/config/riscv/peephole.md ---- original-gcc/gcc/config/riscv/peephole.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/peephole.md 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,100 @@ -+;;........................ -+;; DI -> SI optimizations -+;;........................ -+ -+;; Simplify (int)(a + 1), etc. -+(define_peephole2 -+ [(set (match_operand:DI 0 "register_operand") -+ (match_operator:DI 4 "modular_operator" -+ [(match_operand:DI 1 "register_operand") -+ (match_operand:DI 2 "arith_operand")])) -+ (set (match_operand:SI 3 "register_operand") -+ (truncate:SI (match_dup 0)))] -+ "TARGET_64BIT && (REGNO (operands[0]) == REGNO (operands[3]) || peep2_reg_dead_p (2, operands[0])) -+ && (GET_CODE (operands[4]) != ASHIFT || (CONST_INT_P (operands[2]) && INTVAL (operands[2]) < 32))" -+ [(set (match_dup 3) -+ (truncate:SI -+ (match_op_dup:DI 4 -+ [(match_operand:DI 1 "register_operand") -+ (match_operand:DI 2 "arith_operand")])))]) -+ -+;; Simplify (int)a + 1, etc. -+(define_peephole2 -+ [(set (match_operand:SI 0 "register_operand") -+ (truncate:SI (match_operand:DI 1 "register_operand"))) -+ (set (match_operand:SI 3 "register_operand") -+ (match_operator:SI 4 "modular_operator" -+ [(match_dup 0) -+ (match_operand:SI 2 "arith_operand")]))] -+ "TARGET_64BIT && (REGNO (operands[0]) == REGNO (operands[3]) || peep2_reg_dead_p (2, operands[0]))" -+ [(set (match_dup 3) -+ (match_op_dup:SI 4 [(match_dup 1) (match_dup 2)]))]) -+ -+;; Simplify -(int)a, etc. -+(define_peephole2 -+ [(set (match_operand:SI 0 "register_operand") -+ (truncate:SI (match_operand:DI 2 "register_operand"))) -+ (set (match_operand:SI 3 "register_operand") -+ (match_operator:SI 4 "modular_operator" -+ [(match_operand:SI 1 "reg_or_0_operand") -+ (match_dup 0)]))] -+ "TARGET_64BIT && (REGNO (operands[0]) == REGNO (operands[3]) || peep2_reg_dead_p (2, operands[0]))" -+ [(set (match_dup 3) -+ (match_op_dup:SI 4 [(match_dup 1) (match_dup 2)]))]) -+ -+;; Simplify PIC loads to static variables. -+;; These will go away once we figure out how to emit auipc discretely. -+(define_insn "*local_pic_load<mode>" -+ [(set (match_operand:ANYI 0 "register_operand" "=r") -+ (mem:ANYI (match_operand 1 "absolute_symbolic_operand" "")))] -+ "flag_pic && SYMBOL_REF_LOCAL_P (operands[1])" -+ "<load>\t%0,%1" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_load<mode>" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (mem:ANYF (match_operand 1 "absolute_symbolic_operand" ""))) -+ (clobber (match_scratch:DI 2 "=&r"))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT && flag_pic && SYMBOL_REF_LOCAL_P (operands[1])" -+ "<load>\t%0,%1,%2" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_load<mode>" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (mem:ANYF (match_operand 1 "absolute_symbolic_operand" ""))) -+ (clobber (match_scratch:SI 2 "=&r"))] -+ "TARGET_HARD_FLOAT && !TARGET_64BIT && flag_pic && SYMBOL_REF_LOCAL_P (operands[1])" -+ "<load>\t%0,%1,%2" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_loadu<mode>" -+ [(set (match_operand:SUPERQI 0 "register_operand" "=r") -+ (zero_extend:SUPERQI (mem:SUBDI (match_operand 1 "absolute_symbolic_operand" ""))))] -+ "flag_pic && SYMBOL_REF_LOCAL_P (operands[1])" -+ "<load>u\t%0,%1" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_storedi<mode>" -+ [(set (mem:ANYI (match_operand 0 "absolute_symbolic_operand" "")) -+ (match_operand:ANYI 1 "reg_or_0_operand" "rJ")) -+ (clobber (match_scratch:DI 2 "=&r"))] -+ "TARGET_64BIT && (flag_pic && SYMBOL_REF_LOCAL_P (operands[0]))" -+ "<store>\t%z1,%0,%2" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_storesi<mode>" -+ [(set (mem:ANYI (match_operand 0 "absolute_symbolic_operand" "")) -+ (match_operand:ANYI 1 "reg_or_0_operand" "rJ")) -+ (clobber (match_scratch:SI 2 "=&r"))] -+ "!TARGET_64BIT && (flag_pic && SYMBOL_REF_LOCAL_P (operands[0]))" -+ "<store>\t%z1,%0,%2" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_storedi<mode>" -+ [(set (mem:ANYF (match_operand 0 "absolute_symbolic_operand" "")) -+ (match_operand:ANYF 1 "register_operand" "f")) -+ (clobber (match_scratch:DI 2 "=&r"))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT && (flag_pic && SYMBOL_REF_LOCAL_P (operands[0]))" -+ "<store>\t%1,%0,%2" -+ [(set (attr "length") (const_int 8))]) -+(define_insn "*local_pic_storesi<mode>" -+ [(set (mem:ANYF (match_operand 0 "absolute_symbolic_operand" "")) -+ (match_operand:ANYF 1 "register_operand" "f")) -+ (clobber (match_scratch:SI 2 "=&r"))] -+ "TARGET_HARD_FLOAT && !TARGET_64BIT && (flag_pic && SYMBOL_REF_LOCAL_P (operands[0]))" -+ "<store>\t%1,%0,%2" -+ [(set (attr "length") (const_int 8))]) -diff -urN original-gcc/gcc/config/riscv/predicates.md gcc/gcc/config/riscv/predicates.md ---- original-gcc/gcc/config/riscv/predicates.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/predicates.md 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,182 @@ -+;; Predicate description for RISC-V target. -+;; Copyright (C) 2011-2014 Free Software Foundation, Inc. -+;; Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+;; Based on MIPS target for GNU compiler. -+;; -+;; This file is part of GCC. -+;; -+;; GCC is free software; you can redistribute it and/or modify -+;; it under the terms of the GNU General Public License as published by -+;; the Free Software Foundation; either version 3, or (at your option) -+;; any later version. -+;; -+;; GCC is distributed in the hope that it will be useful, -+;; but WITHOUT ANY WARRANTY; without even the implied warranty of -+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+;; GNU General Public License for more details. -+;; -+;; You should have received a copy of the GNU General Public License -+;; along with GCC; see the file COPYING3. If not see -+;; <http://www.gnu.org/licenses/>. -+ -+(define_predicate "const_arith_operand" -+ (and (match_code "const_int") -+ (match_test "SMALL_OPERAND (INTVAL (op))"))) -+ -+(define_predicate "arith_operand" -+ (ior (match_operand 0 "const_arith_operand") -+ (match_operand 0 "register_operand"))) -+ -+(define_predicate "sle_operand" -+ (and (match_code "const_int") -+ (match_test "SMALL_OPERAND (INTVAL (op) + 1)"))) -+ -+(define_predicate "sleu_operand" -+ (and (match_operand 0 "sle_operand") -+ (match_test "INTVAL (op) + 1 != 0"))) -+ -+(define_predicate "const_0_operand" -+ (and (match_code "const_int,const_double,const_vector") -+ (match_test "op == CONST0_RTX (GET_MODE (op))"))) -+ -+(define_predicate "reg_or_0_operand" -+ (ior (match_operand 0 "const_0_operand") -+ (match_operand 0 "register_operand"))) -+ -+(define_predicate "const_1_operand" -+ (and (match_code "const_int,const_double,const_vector") -+ (match_test "op == CONST1_RTX (GET_MODE (op))"))) -+ -+(define_predicate "reg_or_1_operand" -+ (ior (match_operand 0 "const_1_operand") -+ (match_operand 0 "register_operand"))) -+ -+;; This is used for indexing into vectors, and hence only accepts const_int. -+(define_predicate "const_0_or_1_operand" -+ (and (match_code "const_int") -+ (ior (match_test "op == CONST0_RTX (GET_MODE (op))") -+ (match_test "op == CONST1_RTX (GET_MODE (op))")))) -+ -+(define_special_predicate "pc_or_label_operand" -+ (match_code "pc,label_ref")) -+ -+;; A legitimate CONST_INT operand that takes more than one instruction -+;; to load. -+(define_predicate "splittable_const_int_operand" -+ (match_code "const_int") -+{ -+ /* Don't handle multi-word moves this way; we don't want to introduce -+ the individual word-mode moves until after reload. */ -+ if (GET_MODE_SIZE (mode) > UNITS_PER_WORD) -+ return false; -+ -+ /* Otherwise check whether the constant can be loaded in a single -+ instruction. */ -+ return !LUI_INT (op) && !SMALL_INT (op); -+}) -+ -+(define_predicate "move_operand" -+ (match_operand 0 "general_operand") -+{ -+ enum riscv_symbol_type symbol_type; -+ -+ /* The thinking here is as follows: -+ -+ (1) The move expanders should split complex load sequences into -+ individual instructions. Those individual instructions can -+ then be optimized by all rtl passes. -+ -+ (2) The target of pre-reload load sequences should not be used -+ to store temporary results. If the target register is only -+ assigned one value, reload can rematerialize that value -+ on demand, rather than spill it to the stack. -+ -+ (3) If we allowed pre-reload passes like combine and cse to recreate -+ complex load sequences, we would want to be able to split the -+ sequences before reload as well, so that the pre-reload scheduler -+ can see the individual instructions. This falls foul of (2); -+ the splitter would be forced to reuse the target register for -+ intermediate results. -+ -+ (4) We want to define complex load splitters for combine. These -+ splitters can request a temporary scratch register, which avoids -+ the problem in (2). They allow things like: -+ -+ (set (reg T1) (high SYM)) -+ (set (reg T2) (low (reg T1) SYM)) -+ (set (reg X) (plus (reg T2) (const_int OFFSET))) -+ -+ to be combined into: -+ -+ (set (reg T3) (high SYM+OFFSET)) -+ (set (reg X) (lo_sum (reg T3) SYM+OFFSET)) -+ -+ if T2 is only used this once. */ -+ switch (GET_CODE (op)) -+ { -+ case CONST_INT: -+ return !splittable_const_int_operand (op, mode); -+ -+ case CONST: -+ case SYMBOL_REF: -+ case LABEL_REF: -+ return (riscv_symbolic_constant_p (op, &symbol_type) -+ && !riscv_hi_relocs[symbol_type]); -+ -+ case HIGH: -+ op = XEXP (op, 0); -+ return riscv_symbolic_constant_p (op, &symbol_type); -+ -+ default: -+ return true; -+ } -+}) -+ -+(define_predicate "consttable_operand" -+ (match_test "CONSTANT_P (op)")) -+ -+(define_predicate "symbolic_operand" -+ (match_code "const,symbol_ref,label_ref") -+{ -+ enum riscv_symbol_type type; -+ return riscv_symbolic_constant_p (op, &type); -+}) -+ -+(define_predicate "absolute_symbolic_operand" -+ (match_code "const,symbol_ref,label_ref") -+{ -+ enum riscv_symbol_type type; -+ return (riscv_symbolic_constant_p (op, &type) -+ && type == SYMBOL_ABSOLUTE); -+}) -+ -+(define_predicate "plt_symbolic_operand" -+ (match_code "const,symbol_ref,label_ref") -+{ -+ enum riscv_symbol_type type; -+ return (riscv_symbolic_constant_p (op, &type) -+ && type == SYMBOL_GOT_DISP && !SYMBOL_REF_WEAK (op) && TARGET_PLT); -+}) -+ -+(define_predicate "call_insn_operand" -+ (ior (match_operand 0 "absolute_symbolic_operand") -+ (match_operand 0 "plt_symbolic_operand") -+ (match_operand 0 "register_operand"))) -+ -+(define_predicate "symbol_ref_operand" -+ (match_code "symbol_ref")) -+ -+(define_predicate "modular_operator" -+ (match_code "plus,minus,mult,ashift")) -+ -+(define_predicate "equality_operator" -+ (match_code "eq,ne")) -+ -+(define_predicate "order_operator" -+ (match_code "eq,ne,lt,ltu,le,leu,ge,geu,gt,gtu")) -+ -+(define_predicate "fp_order_operator" -+ (match_code "eq,lt,le,gt,ge")) -+ -+(define_predicate "fp_unorder_operator" -+ (match_code "ordered,unordered")) -diff -urN original-gcc/gcc/config/riscv/riscv.c gcc/gcc/config/riscv/riscv.c ---- original-gcc/gcc/config/riscv/riscv.c 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv.c 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,4292 @@ -+/* Subroutines used for code generation for RISC-V. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "rtl.h" -+#include "regs.h" -+#include "hard-reg-set.h" -+#include "insn-config.h" -+#include "conditions.h" -+#include "insn-attr.h" -+#include "recog.h" -+#include "output.h" -+#include "tree.h" -+#include "varasm.h" -+#include "stor-layout.h" -+#include "calls.h" -+#include "function.h" -+#include "expr.h" -+#include "optabs.h" -+#include "libfuncs.h" -+#include "flags.h" -+#include "reload.h" -+#include "tm_p.h" -+#include "ggc.h" -+#include "gstab.h" -+#include "hashtab.h" -+#include "debug.h" -+#include "target.h" -+#include "target-def.h" -+#include "langhooks.h" -+#include "sched-int.h" -+#include "bitmap.h" -+#include "diagnostic.h" -+#include "target-globals.h" -+#include "symcat.h" -+#include <stdint.h> -+ -+/* True if X is an UNSPEC wrapper around a SYMBOL_REF or LABEL_REF. */ -+#define UNSPEC_ADDRESS_P(X) \ -+ (GET_CODE (X) == UNSPEC \ -+ && XINT (X, 1) >= UNSPEC_ADDRESS_FIRST \ -+ && XINT (X, 1) < UNSPEC_ADDRESS_FIRST + NUM_SYMBOL_TYPES) -+ -+/* Extract the symbol or label from UNSPEC wrapper X. */ -+#define UNSPEC_ADDRESS(X) \ -+ XVECEXP (X, 0, 0) -+ -+/* Extract the symbol type from UNSPEC wrapper X. */ -+#define UNSPEC_ADDRESS_TYPE(X) \ -+ ((enum riscv_symbol_type) (XINT (X, 1) - UNSPEC_ADDRESS_FIRST)) -+ -+/* The maximum distance between the top of the stack frame and the -+ value sp has when we save and restore registers. This is set by the -+ range of load/store offsets and must also preserve stack alignment. */ -+#define RISCV_MAX_FIRST_STACK_STEP (RISCV_IMM_REACH/2 - 16) -+ -+/* True if INSN is a riscv.md pattern or asm statement. */ -+#define USEFUL_INSN_P(INSN) \ -+ (NONDEBUG_INSN_P (INSN) \ -+ && GET_CODE (PATTERN (INSN)) != USE \ -+ && GET_CODE (PATTERN (INSN)) != CLOBBER \ -+ && GET_CODE (PATTERN (INSN)) != ADDR_VEC \ -+ && GET_CODE (PATTERN (INSN)) != ADDR_DIFF_VEC) -+ -+/* True if bit BIT is set in VALUE. */ -+#define BITSET_P(VALUE, BIT) (((VALUE) & (1 << (BIT))) != 0) -+ -+/* Classifies an address. -+ -+ ADDRESS_REG -+ A natural register + offset address. The register satisfies -+ riscv_valid_base_register_p and the offset is a const_arith_operand. -+ -+ ADDRESS_LO_SUM -+ A LO_SUM rtx. The first operand is a valid base register and -+ the second operand is a symbolic address. -+ -+ ADDRESS_CONST_INT -+ A signed 16-bit constant address. -+ -+ ADDRESS_SYMBOLIC: -+ A constant symbolic address. */ -+enum riscv_address_type { -+ ADDRESS_REG, -+ ADDRESS_LO_SUM, -+ ADDRESS_CONST_INT, -+ ADDRESS_SYMBOLIC -+}; -+ -+/* Macros to create an enumeration identifier for a function prototype. */ -+#define RISCV_FTYPE_NAME1(A, B) RISCV_##A##_FTYPE_##B -+#define RISCV_FTYPE_NAME2(A, B, C) RISCV_##A##_FTYPE_##B##_##C -+#define RISCV_FTYPE_NAME3(A, B, C, D) RISCV_##A##_FTYPE_##B##_##C##_##D -+#define RISCV_FTYPE_NAME4(A, B, C, D, E) RISCV_##A##_FTYPE_##B##_##C##_##D##_##E -+ -+/* Classifies the prototype of a built-in function. */ -+enum riscv_function_type { -+#define DEF_RISCV_FTYPE(NARGS, LIST) RISCV_FTYPE_NAME##NARGS LIST, -+#include "config/riscv/riscv-ftypes.def" -+#undef DEF_RISCV_FTYPE -+ RISCV_MAX_FTYPE_MAX -+}; -+ -+/* Specifies how a built-in function should be converted into rtl. */ -+enum riscv_builtin_type { -+ /* The function corresponds directly to an .md pattern. The return -+ value is mapped to operand 0 and the arguments are mapped to -+ operands 1 and above. */ -+ RISCV_BUILTIN_DIRECT, -+ -+ /* The function corresponds directly to an .md pattern. There is no return -+ value and the arguments are mapped to operands 0 and above. */ -+ RISCV_BUILTIN_DIRECT_NO_TARGET -+}; -+ -+/* Information about a function's frame layout. */ -+struct GTY(()) riscv_frame_info { -+ /* The size of the frame in bytes. */ -+ HOST_WIDE_INT total_size; -+ -+ /* Bit X is set if the function saves or restores GPR X. */ -+ unsigned int mask; -+ -+ /* Likewise FPR X. */ -+ unsigned int fmask; -+ -+ /* Offsets of fixed-point and floating-point save areas from frame bottom */ -+ HOST_WIDE_INT gp_sp_offset; -+ HOST_WIDE_INT fp_sp_offset; -+ -+ /* Offset of virtual frame pointer from stack pointer/frame bottom */ -+ HOST_WIDE_INT frame_pointer_offset; -+ -+ /* Offset of hard frame pointer from stack pointer/frame bottom */ -+ HOST_WIDE_INT hard_frame_pointer_offset; -+ -+ /* The offset of arg_pointer_rtx from the bottom of the frame. */ -+ HOST_WIDE_INT arg_pointer_offset; -+}; -+ -+struct GTY(()) machine_function { -+ /* The number of extra stack bytes taken up by register varargs. -+ This area is allocated by the callee at the very top of the frame. */ -+ int varargs_size; -+ -+ /* The current frame information, calculated by riscv_compute_frame_info. */ -+ struct riscv_frame_info frame; -+}; -+ -+/* Information about a single argument. */ -+struct riscv_arg_info { -+ /* True if the argument is passed in a floating-point register, or -+ would have been if we hadn't run out of registers. */ -+ bool fpr_p; -+ -+ /* The number of words passed in registers, rounded up. */ -+ unsigned int reg_words; -+ -+ /* For EABI, the offset of the first register from GP_ARG_FIRST or -+ FP_ARG_FIRST. For other ABIs, the offset of the first register from -+ the start of the ABI's argument structure (see the CUMULATIVE_ARGS -+ comment for details). -+ -+ The value is MAX_ARGS_IN_REGISTERS if the argument is passed entirely -+ on the stack. */ -+ unsigned int reg_offset; -+ -+ /* The number of words that must be passed on the stack, rounded up. */ -+ unsigned int stack_words; -+ -+ /* The offset from the start of the stack overflow area of the argument's -+ first stack word. Only meaningful when STACK_WORDS is nonzero. */ -+ unsigned int stack_offset; -+}; -+ -+/* Information about an address described by riscv_address_type. -+ -+ ADDRESS_CONST_INT -+ No fields are used. -+ -+ ADDRESS_REG -+ REG is the base register and OFFSET is the constant offset. -+ -+ ADDRESS_LO_SUM -+ REG and OFFSET are the operands to the LO_SUM and SYMBOL_TYPE -+ is the type of symbol it references. -+ -+ ADDRESS_SYMBOLIC -+ SYMBOL_TYPE is the type of symbol that the address references. */ -+struct riscv_address_info { -+ enum riscv_address_type type; -+ rtx reg; -+ rtx offset; -+ enum riscv_symbol_type symbol_type; -+}; -+ -+/* One stage in a constant building sequence. These sequences have -+ the form: -+ -+ A = VALUE[0] -+ A = A CODE[1] VALUE[1] -+ A = A CODE[2] VALUE[2] -+ ... -+ -+ where A is an accumulator, each CODE[i] is a binary rtl operation -+ and each VALUE[i] is a constant integer. CODE[0] is undefined. */ -+struct riscv_integer_op { -+ enum rtx_code code; -+ unsigned HOST_WIDE_INT value; -+}; -+ -+/* The largest number of operations needed to load an integer constant. -+ The worst case is LUI, ADDI, SLLI, ADDI, SLLI, ADDI, SLLI, ADDI, -+ but we may attempt and reject even worse sequences. */ -+#define RISCV_MAX_INTEGER_OPS 32 -+ -+/* Costs of various operations on the different architectures. */ -+ -+struct riscv_tune_info -+{ -+ unsigned short fp_add[2]; -+ unsigned short fp_mul[2]; -+ unsigned short fp_div[2]; -+ unsigned short int_mul[2]; -+ unsigned short int_div[2]; -+ unsigned short issue_rate; -+ unsigned short branch_cost; -+ unsigned short fp_to_int_cost; -+ unsigned short memory_cost; -+}; -+ -+/* Information about one CPU we know about. */ -+struct riscv_cpu_info { -+ /* This CPU's canonical name. */ -+ const char *name; -+ -+ /* The RISC-V ISA and extensions supported by this CPU. */ -+ const char *isa; -+ -+ /* Tuning parameters for this CPU. */ -+ const struct riscv_tune_info *tune_info; -+}; -+ -+/* Global variables for machine-dependent things. */ -+ -+/* Which tuning parameters to use. */ -+static const struct riscv_tune_info *tune_info; -+ -+/* Index [M][R] is true if register R is allowed to hold a value of mode M. */ -+bool riscv_hard_regno_mode_ok[(int) MAX_MACHINE_MODE][FIRST_PSEUDO_REGISTER]; -+ -+/* riscv_lo_relocs[X] is the relocation to use when a symbol of type X -+ appears in a LO_SUM. It can be null if such LO_SUMs aren't valid or -+ if they are matched by a special .md file pattern. */ -+const char *riscv_lo_relocs[NUM_SYMBOL_TYPES]; -+ -+/* Likewise for HIGHs. */ -+const char *riscv_hi_relocs[NUM_SYMBOL_TYPES]; -+ -+/* Index R is the smallest register class that contains register R. */ -+const enum reg_class riscv_regno_to_class[FIRST_PSEUDO_REGISTER] = { -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ GR_REGS, T_REGS, T_REGS, T_REGS, -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ GR_REGS, GR_REGS, GR_REGS, GR_REGS, -+ T_REGS, T_REGS, T_REGS, T_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FP_REGS, FP_REGS, FP_REGS, FP_REGS, -+ FRAME_REGS, FRAME_REGS, -+}; -+ -+/* Costs to use when optimizing for size. */ -+static const struct riscv_tune_info rocket_tune_info = { -+ {COSTS_N_INSNS (4), COSTS_N_INSNS (5)}, /* fp_add */ -+ {COSTS_N_INSNS (4), COSTS_N_INSNS (5)}, /* fp_mul */ -+ {COSTS_N_INSNS (20), COSTS_N_INSNS (20)}, /* fp_div */ -+ {COSTS_N_INSNS (4), COSTS_N_INSNS (4)}, /* int_mul */ -+ {COSTS_N_INSNS (6), COSTS_N_INSNS (6)}, /* int_div */ -+ 1, /* issue_rate */ -+ 3, /* branch_cost */ -+ COSTS_N_INSNS (2), /* fp_to_int_cost */ -+ 5 /* memory_cost */ -+}; -+ -+/* Costs to use when optimizing for size. */ -+static const struct riscv_tune_info optimize_size_tune_info = { -+ {COSTS_N_INSNS (1), COSTS_N_INSNS (1)}, /* fp_add */ -+ {COSTS_N_INSNS (1), COSTS_N_INSNS (1)}, /* fp_mul */ -+ {COSTS_N_INSNS (1), COSTS_N_INSNS (1)}, /* fp_div */ -+ {COSTS_N_INSNS (1), COSTS_N_INSNS (1)}, /* int_mul */ -+ {COSTS_N_INSNS (1), COSTS_N_INSNS (1)}, /* int_div */ -+ 1, /* issue_rate */ -+ 1, /* branch_cost */ -+ COSTS_N_INSNS (1), /* fp_to_int_cost */ -+ 1 /* memory_cost */ -+}; -+ -+/* A table describing all the processors GCC knows about. */ -+static const struct riscv_cpu_info riscv_cpu_info_table[] = { -+ /* Entries for generic ISAs. */ -+ { "rocket", "IMAFD", &rocket_tune_info }, -+}; -+ -+/* Return the riscv_cpu_info entry for the given name string. */ -+ -+static const struct riscv_cpu_info * -+riscv_parse_cpu (const char *cpu_string) -+{ -+ unsigned int i; -+ -+ for (i = 0; i < ARRAY_SIZE (riscv_cpu_info_table); i++) -+ if (strcmp (riscv_cpu_info_table[i].name, cpu_string) == 0) -+ return riscv_cpu_info_table + i; -+ -+ error ("unknown cpu `%s'", cpu_string); -+ return riscv_cpu_info_table; -+} -+ -+/* Fill CODES with a sequence of rtl operations to load VALUE. -+ Return the number of operations needed. */ -+ -+static int -+riscv_build_integer_1 (struct riscv_integer_op *codes, HOST_WIDE_INT value, -+ enum machine_mode mode) -+{ -+ HOST_WIDE_INT low_part = RISCV_CONST_LOW_PART (value); -+ int cost = INT_MAX, alt_cost; -+ struct riscv_integer_op alt_codes[RISCV_MAX_INTEGER_OPS]; -+ -+ if (SMALL_OPERAND (value) || LUI_OPERAND (value)) -+ { -+ /* Simply ADDI or LUI */ -+ codes[0].code = UNKNOWN; -+ codes[0].value = value; -+ return 1; -+ } -+ -+ /* End with ADDI */ -+ if (low_part != 0 -+ && !(mode == HImode && (int16_t)(value - low_part) != (value - low_part))) -+ { -+ cost = 1 + riscv_build_integer_1 (codes, value - low_part, mode); -+ codes[cost-1].code = PLUS; -+ codes[cost-1].value = low_part; -+ } -+ -+ /* End with XORI */ -+ if (cost > 2 && (low_part < 0 || mode == HImode)) -+ { -+ alt_cost = 1 + riscv_build_integer_1 (alt_codes, value ^ low_part, mode); -+ alt_codes[alt_cost-1].code = XOR; -+ alt_codes[alt_cost-1].value = low_part; -+ if (alt_cost < cost) -+ cost = alt_cost, memcpy (codes, alt_codes, sizeof(alt_codes)); -+ } -+ -+ /* Eliminate trailing zeros and end with SLLI */ -+ if (cost > 2 && (value & 1) == 0) -+ { -+ int shift = 0; -+ while ((value & 1) == 0) -+ shift++, value >>= 1; -+ alt_cost = 1 + riscv_build_integer_1 (alt_codes, value, mode); -+ alt_codes[alt_cost-1].code = ASHIFT; -+ alt_codes[alt_cost-1].value = shift; -+ if (alt_cost < cost) -+ cost = alt_cost, memcpy (codes, alt_codes, sizeof(alt_codes)); -+ } -+ -+ gcc_assert (cost <= RISCV_MAX_INTEGER_OPS); -+ return cost; -+} -+ -+static int -+riscv_build_integer (struct riscv_integer_op *codes, HOST_WIDE_INT value, -+ enum machine_mode mode) -+{ -+ int cost = riscv_build_integer_1 (codes, value, mode); -+ -+ /* Eliminate leading zeros and end with SRLI */ -+ if (value > 0 && cost > 2) -+ { -+ struct riscv_integer_op alt_codes[RISCV_MAX_INTEGER_OPS]; -+ int alt_cost, shift = 0; -+ HOST_WIDE_INT shifted_val; -+ -+ /* Try filling trailing bits with 1s */ -+ while ((value << shift) >= 0) -+ shift++; -+ shifted_val = (value << shift) | ((((HOST_WIDE_INT) 1) << shift) - 1); -+ alt_cost = 1 + riscv_build_integer_1 (alt_codes, shifted_val, mode); -+ alt_codes[alt_cost-1].code = LSHIFTRT; -+ alt_codes[alt_cost-1].value = shift; -+ if (alt_cost < cost) -+ cost = alt_cost, memcpy (codes, alt_codes, sizeof (alt_codes)); -+ -+ /* Try filling trailing bits with 0s */ -+ shifted_val = value << shift; -+ alt_cost = 1 + riscv_build_integer_1 (alt_codes, shifted_val, mode); -+ alt_codes[alt_cost-1].code = LSHIFTRT; -+ alt_codes[alt_cost-1].value = shift; -+ if (alt_cost < cost) -+ cost = alt_cost, memcpy (codes, alt_codes, sizeof (alt_codes)); -+ } -+ -+ return cost; -+} -+ -+static int -+riscv_split_integer_cost (HOST_WIDE_INT val) -+{ -+ int cost; -+ int32_t loval = val, hival = (val - (int32_t)val) >> 32; -+ struct riscv_integer_op codes[RISCV_MAX_INTEGER_OPS]; -+ -+ cost = 2 + riscv_build_integer (codes, loval, VOIDmode); -+ if (loval != hival) -+ cost += riscv_build_integer (codes, hival, VOIDmode); -+ -+ return cost; -+} -+ -+static int -+riscv_integer_cost (HOST_WIDE_INT val) -+{ -+ struct riscv_integer_op codes[RISCV_MAX_INTEGER_OPS]; -+ return MIN (riscv_build_integer (codes, val, VOIDmode), -+ riscv_split_integer_cost (val)); -+} -+ -+/* Try to split a 64b integer into 32b parts, then reassemble. */ -+ -+static rtx -+riscv_split_integer (HOST_WIDE_INT val, enum machine_mode mode) -+{ -+ int32_t loval = val, hival = (val - (int32_t)val) >> 32; -+ rtx hi = gen_reg_rtx (mode), lo = gen_reg_rtx (mode); -+ -+ riscv_move_integer (hi, hi, hival); -+ riscv_move_integer (lo, lo, loval); -+ -+ hi = gen_rtx_fmt_ee (ASHIFT, mode, hi, GEN_INT (32)); -+ hi = force_reg (mode, hi); -+ -+ return gen_rtx_fmt_ee (PLUS, mode, hi, lo); -+} -+ -+/* Return true if X is a thread-local symbol. */ -+ -+static bool -+riscv_tls_symbol_p (const_rtx x) -+{ -+ return GET_CODE (x) == SYMBOL_REF && SYMBOL_REF_TLS_MODEL (x) != 0; -+} -+ -+static bool -+riscv_symbol_binds_local_p (const_rtx x) -+{ -+ return (SYMBOL_REF_DECL (x) -+ ? targetm.binds_local_p (SYMBOL_REF_DECL (x)) -+ : SYMBOL_REF_LOCAL_P (x)); -+} -+ -+/* Return the method that should be used to access SYMBOL_REF or -+ LABEL_REF X in context CONTEXT. */ -+ -+static enum riscv_symbol_type -+riscv_classify_symbol (const_rtx x) -+{ -+ if (riscv_tls_symbol_p (x)) -+ return SYMBOL_TLS; -+ -+ if (GET_CODE (x) == LABEL_REF) -+ { -+ if (LABEL_REF_NONLOCAL_P (x)) -+ return SYMBOL_GOT_DISP; -+ return SYMBOL_ABSOLUTE; -+ } -+ -+ gcc_assert (GET_CODE (x) == SYMBOL_REF); -+ -+ if (flag_pic && !riscv_symbol_binds_local_p (x)) -+ return SYMBOL_GOT_DISP; -+ -+ return SYMBOL_ABSOLUTE; -+} -+ -+/* Classify the base of symbolic expression X, given that X appears in -+ context CONTEXT. */ -+ -+static enum riscv_symbol_type -+riscv_classify_symbolic_expression (rtx x) -+{ -+ rtx offset; -+ -+ split_const (x, &x, &offset); -+ if (UNSPEC_ADDRESS_P (x)) -+ return UNSPEC_ADDRESS_TYPE (x); -+ -+ return riscv_classify_symbol (x); -+} -+ -+/* Return true if X is a symbolic constant that can be used in context -+ CONTEXT. If it is, store the type of the symbol in *SYMBOL_TYPE. */ -+ -+bool -+riscv_symbolic_constant_p (rtx x, enum riscv_symbol_type *symbol_type) -+{ -+ rtx offset; -+ -+ split_const (x, &x, &offset); -+ if (UNSPEC_ADDRESS_P (x)) -+ { -+ *symbol_type = UNSPEC_ADDRESS_TYPE (x); -+ x = UNSPEC_ADDRESS (x); -+ } -+ else if (GET_CODE (x) == SYMBOL_REF || GET_CODE (x) == LABEL_REF) -+ *symbol_type = riscv_classify_symbol (x); -+ else -+ return false; -+ -+ if (offset == const0_rtx) -+ return true; -+ -+ /* Check whether a nonzero offset is valid for the underlying -+ relocations. */ -+ switch (*symbol_type) -+ { -+ case SYMBOL_ABSOLUTE: -+ case SYMBOL_TLS_LE: -+ return (int32_t) INTVAL (offset) == INTVAL (offset); -+ -+ default: -+ return false; -+ } -+ gcc_unreachable (); -+} -+ -+/* Returns the number of instructions necessary to reference a symbol. */ -+ -+static int riscv_symbol_insns (enum riscv_symbol_type type) -+{ -+ switch (type) -+ { -+ case SYMBOL_TLS: return 0; /* Depends on the TLS model. */ -+ case SYMBOL_ABSOLUTE: return 2; /* LUI + the reference itself */ -+ case SYMBOL_TLS_LE: return 3; /* LUI + ADD TP + the reference itself */ -+ case SYMBOL_GOT_DISP: return 3; /* AUIPC + LD GOT + the reference itself */ -+ default: gcc_unreachable(); -+ } -+} -+ -+/* A for_each_rtx callback. Stop the search if *X references a -+ thread-local symbol. */ -+ -+static int -+riscv_tls_symbol_ref_1 (rtx *x, void *data ATTRIBUTE_UNUSED) -+{ -+ return riscv_tls_symbol_p (*x); -+} -+ -+/* Implement TARGET_LEGITIMATE_CONSTANT_P. */ -+ -+static bool -+riscv_legitimate_constant_p (enum machine_mode mode ATTRIBUTE_UNUSED, rtx x) -+{ -+ return riscv_const_insns (x) > 0; -+} -+ -+/* Implement TARGET_CANNOT_FORCE_CONST_MEM. */ -+ -+static bool -+riscv_cannot_force_const_mem (enum machine_mode mode, rtx x) -+{ -+ enum riscv_symbol_type type; -+ rtx base, offset; -+ -+ /* There is no assembler syntax for expressing an address-sized -+ high part. */ -+ if (GET_CODE (x) == HIGH) -+ return true; -+ -+ /* As an optimization, reject constants that riscv_legitimize_move -+ can expand inline. -+ -+ Suppose we have a multi-instruction sequence that loads constant C -+ into register R. If R does not get allocated a hard register, and -+ R is used in an operand that allows both registers and memory -+ references, reload will consider forcing C into memory and using -+ one of the instruction's memory alternatives. Returning false -+ here will force it to use an input reload instead. */ -+ if (CONST_INT_P (x) && riscv_legitimate_constant_p (mode, x)) -+ return true; -+ -+ split_const (x, &base, &offset); -+ if (riscv_symbolic_constant_p (base, &type)) -+ { -+ /* The same optimization as for CONST_INT. */ -+ if (SMALL_INT (offset) && riscv_symbol_insns (type) > 0) -+ return true; -+ -+ /* It's not worth creating additional dynamic relocations. */ -+ if (flag_pic) -+ return true; -+ } -+ -+ /* TLS symbols must be computed by riscv_legitimize_move. */ -+ if (for_each_rtx (&x, &riscv_tls_symbol_ref_1, NULL)) -+ return true; -+ -+ return false; -+} -+ -+/* Return true if register REGNO is a valid base register for mode MODE. -+ STRICT_P is true if REG_OK_STRICT is in effect. */ -+ -+int -+riscv_regno_mode_ok_for_base_p (int regno, enum machine_mode mode ATTRIBUTE_UNUSED, -+ bool strict_p) -+{ -+ if (!HARD_REGISTER_NUM_P (regno)) -+ { -+ if (!strict_p) -+ return true; -+ regno = reg_renumber[regno]; -+ } -+ -+ /* These fake registers will be eliminated to either the stack or -+ hard frame pointer, both of which are usually valid base registers. -+ Reload deals with the cases where the eliminated form isn't valid. */ -+ if (regno == ARG_POINTER_REGNUM || regno == FRAME_POINTER_REGNUM) -+ return true; -+ -+ return GP_REG_P (regno); -+} -+ -+/* Return true if X is a valid base register for mode MODE. -+ STRICT_P is true if REG_OK_STRICT is in effect. */ -+ -+static bool -+riscv_valid_base_register_p (rtx x, enum machine_mode mode, bool strict_p) -+{ -+ if (!strict_p && GET_CODE (x) == SUBREG) -+ x = SUBREG_REG (x); -+ -+ return (REG_P (x) -+ && riscv_regno_mode_ok_for_base_p (REGNO (x), mode, strict_p)); -+} -+ -+/* Return true if, for every base register BASE_REG, (plus BASE_REG X) -+ can address a value of mode MODE. */ -+ -+static bool -+riscv_valid_offset_p (rtx x, enum machine_mode mode) -+{ -+ /* Check that X is a signed 12-bit number. */ -+ if (!const_arith_operand (x, Pmode)) -+ return false; -+ -+ /* We may need to split multiword moves, so make sure that every word -+ is accessible. */ -+ if (GET_MODE_SIZE (mode) > UNITS_PER_WORD -+ && !SMALL_OPERAND (INTVAL (x) + GET_MODE_SIZE (mode) - UNITS_PER_WORD)) -+ return false; -+ -+ return true; -+} -+ -+/* Return true if a LO_SUM can address a value of mode MODE when the -+ LO_SUM symbol has type SYMBOL_TYPE. */ -+ -+static bool -+riscv_valid_lo_sum_p (enum riscv_symbol_type symbol_type, enum machine_mode mode) -+{ -+ /* Check that symbols of type SYMBOL_TYPE can be used to access values -+ of mode MODE. */ -+ if (riscv_symbol_insns (symbol_type) == 0) -+ return false; -+ -+ /* Check that there is a known low-part relocation. */ -+ if (riscv_lo_relocs[symbol_type] == NULL) -+ return false; -+ -+ /* We may need to split multiword moves, so make sure that each word -+ can be accessed without inducing a carry. This is mainly needed -+ for o64, which has historically only guaranteed 64-bit alignment -+ for 128-bit types. */ -+ if (GET_MODE_SIZE (mode) > UNITS_PER_WORD -+ && GET_MODE_BITSIZE (mode) > GET_MODE_ALIGNMENT (mode)) -+ return false; -+ -+ return true; -+} -+ -+/* Return true if X is a valid address for machine mode MODE. If it is, -+ fill in INFO appropriately. STRICT_P is true if REG_OK_STRICT is in -+ effect. */ -+ -+static bool -+riscv_classify_address (struct riscv_address_info *info, rtx x, -+ enum machine_mode mode, bool strict_p) -+{ -+ switch (GET_CODE (x)) -+ { -+ case REG: -+ case SUBREG: -+ info->type = ADDRESS_REG; -+ info->reg = x; -+ info->offset = const0_rtx; -+ return riscv_valid_base_register_p (info->reg, mode, strict_p); -+ -+ case PLUS: -+ info->type = ADDRESS_REG; -+ info->reg = XEXP (x, 0); -+ info->offset = XEXP (x, 1); -+ return (riscv_valid_base_register_p (info->reg, mode, strict_p) -+ && riscv_valid_offset_p (info->offset, mode)); -+ -+ case LO_SUM: -+ info->type = ADDRESS_LO_SUM; -+ info->reg = XEXP (x, 0); -+ info->offset = XEXP (x, 1); -+ /* We have to trust the creator of the LO_SUM to do something vaguely -+ sane. Target-independent code that creates a LO_SUM should also -+ create and verify the matching HIGH. Target-independent code that -+ adds an offset to a LO_SUM must prove that the offset will not -+ induce a carry. Failure to do either of these things would be -+ a bug, and we are not required to check for it here. The RISCV -+ backend itself should only create LO_SUMs for valid symbolic -+ constants, with the high part being either a HIGH or a copy -+ of _gp. */ -+ info->symbol_type -+ = riscv_classify_symbolic_expression (info->offset); -+ return (riscv_valid_base_register_p (info->reg, mode, strict_p) -+ && riscv_valid_lo_sum_p (info->symbol_type, mode)); -+ -+ case CONST_INT: -+ /* Small-integer addresses don't occur very often, but they -+ are legitimate if $0 is a valid base register. */ -+ info->type = ADDRESS_CONST_INT; -+ return SMALL_INT (x); -+ -+ default: -+ return false; -+ } -+} -+ -+/* Implement TARGET_LEGITIMATE_ADDRESS_P. */ -+ -+static bool -+riscv_legitimate_address_p (enum machine_mode mode, rtx x, bool strict_p) -+{ -+ struct riscv_address_info addr; -+ -+ return riscv_classify_address (&addr, x, mode, strict_p); -+} -+ -+/* Return the number of instructions needed to load or store a value -+ of mode MODE at address X. Return 0 if X isn't valid for MODE. -+ Assume that multiword moves may need to be split into word moves -+ if MIGHT_SPLIT_P, otherwise assume that a single load or store is -+ enough. */ -+ -+int -+riscv_address_insns (rtx x, enum machine_mode mode, bool might_split_p) -+{ -+ struct riscv_address_info addr; -+ int n = 1; -+ -+ if (!riscv_classify_address (&addr, x, mode, false)) -+ return 0; -+ -+ /* BLKmode is used for single unaligned loads and stores and should -+ not count as a multiword mode. */ -+ if (mode != BLKmode && might_split_p) -+ n += (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD; -+ -+ if (addr.type == ADDRESS_LO_SUM) -+ n += riscv_symbol_insns (addr.symbol_type) - 1; -+ -+ return n; -+} -+ -+/* Return the number of instructions needed to load constant X. -+ Return 0 if X isn't a valid constant. */ -+ -+int -+riscv_const_insns (rtx x) -+{ -+ enum riscv_symbol_type symbol_type; -+ rtx offset; -+ -+ switch (GET_CODE (x)) -+ { -+ case HIGH: -+ if (!riscv_symbolic_constant_p (XEXP (x, 0), &symbol_type) -+ || !riscv_hi_relocs[symbol_type]) -+ return 0; -+ -+ /* This is simply an LUI. */ -+ return 1; -+ -+ case CONST_INT: -+ { -+ int cost = riscv_integer_cost (INTVAL (x)); -+ /* Force complicated constants to memory. */ -+ return cost < 4 ? cost : 0; -+ } -+ -+ case CONST_DOUBLE: -+ case CONST_VECTOR: -+ /* Allow zeros for normal mode, where we can use x0. */ -+ return x == CONST0_RTX (GET_MODE (x)) ? 1 : 0; -+ -+ case CONST: -+ /* See if we can refer to X directly. */ -+ if (riscv_symbolic_constant_p (x, &symbol_type)) -+ return riscv_symbol_insns (symbol_type); -+ -+ /* Otherwise try splitting the constant into a base and offset. -+ If the offset is a 16-bit value, we can load the base address -+ into a register and then use (D)ADDIU to add in the offset. -+ If the offset is larger, we can load the base and offset -+ into separate registers and add them together with (D)ADDU. -+ However, the latter is only possible before reload; during -+ and after reload, we must have the option of forcing the -+ constant into the pool instead. */ -+ split_const (x, &x, &offset); -+ if (offset != 0) -+ { -+ int n = riscv_const_insns (x); -+ if (n != 0) -+ { -+ if (SMALL_INT (offset)) -+ return n + 1; -+ else if (!targetm.cannot_force_const_mem (GET_MODE (x), x)) -+ return n + 1 + riscv_integer_cost (INTVAL (offset)); -+ } -+ } -+ return 0; -+ -+ case SYMBOL_REF: -+ case LABEL_REF: -+ return riscv_symbol_insns (riscv_classify_symbol (x)); -+ -+ default: -+ return 0; -+ } -+} -+ -+/* X is a doubleword constant that can be handled by splitting it into -+ two words and loading each word separately. Return the number of -+ instructions required to do this. */ -+ -+int -+riscv_split_const_insns (rtx x) -+{ -+ unsigned int low, high; -+ -+ low = riscv_const_insns (riscv_subword (x, false)); -+ high = riscv_const_insns (riscv_subword (x, true)); -+ gcc_assert (low > 0 && high > 0); -+ return low + high; -+} -+ -+/* Return the number of instructions needed to implement INSN, -+ given that it loads from or stores to MEM. */ -+ -+int -+riscv_load_store_insns (rtx mem, rtx insn) -+{ -+ enum machine_mode mode; -+ bool might_split_p; -+ rtx set; -+ -+ gcc_assert (MEM_P (mem)); -+ mode = GET_MODE (mem); -+ -+ /* Try to prove that INSN does not need to be split. */ -+ might_split_p = true; -+ if (GET_MODE_BITSIZE (mode) == 64) -+ { -+ set = single_set (insn); -+ if (set && !riscv_split_64bit_move_p (SET_DEST (set), SET_SRC (set))) -+ might_split_p = false; -+ } -+ -+ return riscv_address_insns (XEXP (mem, 0), mode, might_split_p); -+} -+ -+/* Emit a move from SRC to DEST. Assume that the move expanders can -+ handle all moves if !can_create_pseudo_p (). The distinction is -+ important because, unlike emit_move_insn, the move expanders know -+ how to force Pmode objects into the constant pool even when the -+ constant pool address is not itself legitimate. */ -+ -+rtx -+riscv_emit_move (rtx dest, rtx src) -+{ -+ return (can_create_pseudo_p () -+ ? emit_move_insn (dest, src) -+ : emit_move_insn_1 (dest, src)); -+} -+ -+/* Emit an instruction of the form (set TARGET (CODE OP0 OP1)). */ -+ -+static void -+riscv_emit_binary (enum rtx_code code, rtx target, rtx op0, rtx op1) -+{ -+ emit_insn (gen_rtx_SET (VOIDmode, target, -+ gen_rtx_fmt_ee (code, GET_MODE (target), op0, op1))); -+} -+ -+/* Compute (CODE OP0 OP1) and store the result in a new register -+ of mode MODE. Return that new register. */ -+ -+static rtx -+riscv_force_binary (enum machine_mode mode, enum rtx_code code, rtx op0, rtx op1) -+{ -+ rtx reg; -+ -+ reg = gen_reg_rtx (mode); -+ riscv_emit_binary (code, reg, op0, op1); -+ return reg; -+} -+ -+/* Copy VALUE to a register and return that register. If new pseudos -+ are allowed, copy it into a new register, otherwise use DEST. */ -+ -+static rtx -+riscv_force_temporary (rtx dest, rtx value) -+{ -+ if (can_create_pseudo_p ()) -+ return force_reg (Pmode, value); -+ else -+ { -+ riscv_emit_move (dest, value); -+ return dest; -+ } -+} -+ -+/* Wrap symbol or label BASE in an UNSPEC address of type SYMBOL_TYPE, -+ then add CONST_INT OFFSET to the result. */ -+ -+static rtx -+riscv_unspec_address_offset (rtx base, rtx offset, -+ enum riscv_symbol_type symbol_type) -+{ -+ base = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, base), -+ UNSPEC_ADDRESS_FIRST + symbol_type); -+ if (offset != const0_rtx) -+ base = gen_rtx_PLUS (Pmode, base, offset); -+ return gen_rtx_CONST (Pmode, base); -+} -+ -+/* Return an UNSPEC address with underlying address ADDRESS and symbol -+ type SYMBOL_TYPE. */ -+ -+rtx -+riscv_unspec_address (rtx address, enum riscv_symbol_type symbol_type) -+{ -+ rtx base, offset; -+ -+ split_const (address, &base, &offset); -+ return riscv_unspec_address_offset (base, offset, symbol_type); -+} -+ -+/* If OP is an UNSPEC address, return the address to which it refers, -+ otherwise return OP itself. */ -+ -+static rtx -+riscv_strip_unspec_address (rtx op) -+{ -+ rtx base, offset; -+ -+ split_const (op, &base, &offset); -+ if (UNSPEC_ADDRESS_P (base)) -+ op = plus_constant (Pmode, UNSPEC_ADDRESS (base), INTVAL (offset)); -+ return op; -+} -+ -+/* If riscv_unspec_address (ADDR, SYMBOL_TYPE) is a 32-bit value, add the -+ high part to BASE and return the result. Just return BASE otherwise. -+ TEMP is as for riscv_force_temporary. -+ -+ The returned expression can be used as the first operand to a LO_SUM. */ -+ -+static rtx -+riscv_unspec_offset_high (rtx temp, rtx addr, enum riscv_symbol_type symbol_type) -+{ -+ addr = gen_rtx_HIGH (Pmode, riscv_unspec_address (addr, symbol_type)); -+ return riscv_force_temporary (temp, addr); -+} -+ -+/* Load an entry from the GOT. */ -+static rtx riscv_got_load_tls_gd(rtx dest, rtx sym) -+{ -+ return (Pmode == DImode ? gen_got_load_tls_gddi(dest, sym) : gen_got_load_tls_gdsi(dest, sym)); -+} -+ -+static rtx riscv_got_load_tls_ie(rtx dest, rtx sym) -+{ -+ return (Pmode == DImode ? gen_got_load_tls_iedi(dest, sym) : gen_got_load_tls_iesi(dest, sym)); -+} -+ -+static rtx riscv_tls_add_tp_le(rtx dest, rtx base, rtx sym) -+{ -+ rtx tp = gen_rtx_REG (Pmode, THREAD_POINTER_REGNUM); -+ return (Pmode == DImode ? gen_tls_add_tp_ledi(dest, base, tp, sym) : gen_tls_add_tp_lesi(dest, base, tp, sym)); -+} -+ -+/* If MODE is MAX_MACHINE_MODE, ADDR appears as a move operand, otherwise -+ it appears in a MEM of that mode. Return true if ADDR is a legitimate -+ constant in that context and can be split into high and low parts. -+ If so, and if LOW_OUT is nonnull, emit the high part and store the -+ low part in *LOW_OUT. Leave *LOW_OUT unchanged otherwise. -+ -+ TEMP is as for riscv_force_temporary and is used to load the high -+ part into a register. -+ -+ When MODE is MAX_MACHINE_MODE, the low part is guaranteed to be -+ a legitimize SET_SRC for an .md pattern, otherwise the low part -+ is guaranteed to be a legitimate address for mode MODE. */ -+ -+bool -+riscv_split_symbol (rtx temp, rtx addr, enum machine_mode mode, rtx *low_out) -+{ -+ enum riscv_symbol_type symbol_type; -+ rtx high; -+ -+ if ((GET_CODE (addr) == HIGH && mode == MAX_MACHINE_MODE) -+ || !riscv_symbolic_constant_p (addr, &symbol_type) -+ || riscv_symbol_insns (symbol_type) == 0 -+ || !riscv_hi_relocs[symbol_type]) -+ return false; -+ -+ if (low_out) -+ { -+ switch (symbol_type) -+ { -+ case SYMBOL_ABSOLUTE: -+ high = gen_rtx_HIGH (Pmode, copy_rtx (addr)); -+ high = riscv_force_temporary (temp, high); -+ *low_out = gen_rtx_LO_SUM (Pmode, high, addr); -+ break; -+ -+ default: -+ gcc_unreachable (); -+ } -+ } -+ -+ return true; -+} -+ -+/* Return a legitimate address for REG + OFFSET. TEMP is as for -+ riscv_force_temporary; it is only needed when OFFSET is not a -+ SMALL_OPERAND. */ -+ -+static rtx -+riscv_add_offset (rtx temp, rtx reg, HOST_WIDE_INT offset) -+{ -+ if (!SMALL_OPERAND (offset)) -+ { -+ rtx high; -+ -+ /* Leave OFFSET as a 16-bit offset and put the excess in HIGH. -+ The addition inside the macro CONST_HIGH_PART may cause an -+ overflow, so we need to force a sign-extension check. */ -+ high = gen_int_mode (RISCV_CONST_HIGH_PART (offset), Pmode); -+ offset = RISCV_CONST_LOW_PART (offset); -+ high = riscv_force_temporary (temp, high); -+ reg = riscv_force_temporary (temp, gen_rtx_PLUS (Pmode, high, reg)); -+ } -+ return plus_constant (Pmode, reg, offset); -+} -+ -+/* The __tls_get_attr symbol. */ -+static GTY(()) rtx riscv_tls_symbol; -+ -+/* Return an instruction sequence that calls __tls_get_addr. SYM is -+ the TLS symbol we are referencing and TYPE is the symbol type to use -+ (either global dynamic or local dynamic). RESULT is an RTX for the -+ return value location. */ -+ -+static rtx -+riscv_call_tls_get_addr (rtx sym, rtx result) -+{ -+ rtx insn, a0 = gen_rtx_REG (Pmode, GP_ARG_FIRST); -+ -+ if (!riscv_tls_symbol) -+ riscv_tls_symbol = init_one_libfunc ("__tls_get_addr"); -+ -+ start_sequence (); -+ -+ emit_insn (riscv_got_load_tls_gd (a0, sym)); -+ insn = riscv_expand_call (false, result, riscv_tls_symbol, const0_rtx); -+ RTL_CONST_CALL_P (insn) = 1; -+ use_reg (&CALL_INSN_FUNCTION_USAGE (insn), a0); -+ insn = get_insns (); -+ -+ end_sequence (); -+ -+ return insn; -+} -+ -+/* Generate the code to access LOC, a thread-local SYMBOL_REF, and return -+ its address. The return value will be both a valid address and a valid -+ SET_SRC (either a REG or a LO_SUM). */ -+ -+static rtx -+riscv_legitimize_tls_address (rtx loc) -+{ -+ rtx dest, insn, tp, tmp1; -+ enum tls_model model = SYMBOL_REF_TLS_MODEL (loc); -+ -+ /* Since we support TLS copy relocs, non-PIC TLS accesses may all use LE. */ -+ if (!flag_pic) -+ model = TLS_MODEL_LOCAL_EXEC; -+ -+ switch (model) -+ { -+ case TLS_MODEL_LOCAL_DYNAMIC: -+ /* Rely on section anchors for the optimization that LDM TLS -+ provides. The anchor's address is loaded with GD TLS. */ -+ case TLS_MODEL_GLOBAL_DYNAMIC: -+ tmp1 = gen_rtx_REG (Pmode, GP_RETURN); -+ insn = riscv_call_tls_get_addr (loc, tmp1); -+ dest = gen_reg_rtx (Pmode); -+ emit_libcall_block (insn, dest, tmp1, loc); -+ break; -+ -+ case TLS_MODEL_INITIAL_EXEC: -+ /* la.tls.ie; tp-relative add */ -+ tp = gen_rtx_REG (Pmode, THREAD_POINTER_REGNUM); -+ tmp1 = gen_reg_rtx (Pmode); -+ emit_insn (riscv_got_load_tls_ie (tmp1, loc)); -+ dest = gen_reg_rtx (Pmode); -+ emit_insn (gen_add3_insn (dest, tmp1, tp)); -+ break; -+ -+ case TLS_MODEL_LOCAL_EXEC: -+ tmp1 = riscv_unspec_offset_high (NULL, loc, SYMBOL_TLS_LE); -+ dest = gen_reg_rtx (Pmode); -+ emit_insn (riscv_tls_add_tp_le (dest, tmp1, loc)); -+ dest = gen_rtx_LO_SUM (Pmode, dest, -+ riscv_unspec_address (loc, SYMBOL_TLS_LE)); -+ break; -+ -+ default: -+ gcc_unreachable (); -+ } -+ return dest; -+} -+ -+/* If X is not a valid address for mode MODE, force it into a register. */ -+ -+static rtx -+riscv_force_address (rtx x, enum machine_mode mode) -+{ -+ if (!riscv_legitimate_address_p (mode, x, false)) -+ x = force_reg (Pmode, x); -+ return x; -+} -+ -+/* This function is used to implement LEGITIMIZE_ADDRESS. If X can -+ be legitimized in a way that the generic machinery might not expect, -+ return a new address, otherwise return NULL. MODE is the mode of -+ the memory being accessed. */ -+ -+static rtx -+riscv_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED, -+ enum machine_mode mode) -+{ -+ rtx addr; -+ -+ if (riscv_tls_symbol_p (x)) -+ return riscv_legitimize_tls_address (x); -+ -+ /* See if the address can split into a high part and a LO_SUM. */ -+ if (riscv_split_symbol (NULL, x, mode, &addr)) -+ return riscv_force_address (addr, mode); -+ -+ /* Handle BASE + OFFSET using riscv_add_offset. */ -+ if (GET_CODE (x) == PLUS && CONST_INT_P (XEXP (x, 1)) -+ && INTVAL (XEXP (x, 1)) != 0) -+ { -+ rtx base = XEXP (x, 0); -+ HOST_WIDE_INT offset = INTVAL (XEXP (x, 1)); -+ -+ if (!riscv_valid_base_register_p (base, mode, false)) -+ base = copy_to_mode_reg (Pmode, base); -+ addr = riscv_add_offset (NULL, base, offset); -+ return riscv_force_address (addr, mode); -+ } -+ -+ return x; -+} -+ -+/* Load VALUE into DEST. TEMP is as for riscv_force_temporary. */ -+ -+void -+riscv_move_integer (rtx temp, rtx dest, HOST_WIDE_INT value) -+{ -+ struct riscv_integer_op codes[RISCV_MAX_INTEGER_OPS]; -+ enum machine_mode mode; -+ int i, num_ops; -+ rtx x; -+ -+ mode = GET_MODE (dest); -+ num_ops = riscv_build_integer (codes, value, mode); -+ -+ if (can_create_pseudo_p () && num_ops > 2 /* not a simple constant */ -+ && num_ops >= riscv_split_integer_cost (value)) -+ x = riscv_split_integer (value, mode); -+ else -+ { -+ /* Apply each binary operation to X. */ -+ x = GEN_INT (codes[0].value); -+ -+ for (i = 1; i < num_ops; i++) -+ { -+ if (!can_create_pseudo_p ()) -+ { -+ emit_insn (gen_rtx_SET (VOIDmode, temp, x)); -+ x = temp; -+ } -+ else -+ x = force_reg (mode, x); -+ -+ x = gen_rtx_fmt_ee (codes[i].code, mode, x, GEN_INT (codes[i].value)); -+ } -+ } -+ -+ emit_insn (gen_rtx_SET (VOIDmode, dest, x)); -+} -+ -+/* Subroutine of riscv_legitimize_move. Move constant SRC into register -+ DEST given that SRC satisfies immediate_operand but doesn't satisfy -+ move_operand. */ -+ -+static void -+riscv_legitimize_const_move (enum machine_mode mode, rtx dest, rtx src) -+{ -+ rtx base, offset; -+ -+ /* Split moves of big integers into smaller pieces. */ -+ if (splittable_const_int_operand (src, mode)) -+ { -+ riscv_move_integer (dest, dest, INTVAL (src)); -+ return; -+ } -+ -+ /* Split moves of symbolic constants into high/low pairs. */ -+ if (riscv_split_symbol (dest, src, MAX_MACHINE_MODE, &src)) -+ { -+ emit_insn (gen_rtx_SET (VOIDmode, dest, src)); -+ return; -+ } -+ -+ /* Generate the appropriate access sequences for TLS symbols. */ -+ if (riscv_tls_symbol_p (src)) -+ { -+ riscv_emit_move (dest, riscv_legitimize_tls_address (src)); -+ return; -+ } -+ -+ /* If we have (const (plus symbol offset)), and that expression cannot -+ be forced into memory, load the symbol first and add in the offset. Also -+ prefer to do this even if the constant _can_ be forced into memory, as it -+ usually produces better code. */ -+ split_const (src, &base, &offset); -+ if (offset != const0_rtx -+ && (targetm.cannot_force_const_mem (mode, src) || can_create_pseudo_p ())) -+ { -+ base = riscv_force_temporary (dest, base); -+ riscv_emit_move (dest, riscv_add_offset (NULL, base, INTVAL (offset))); -+ return; -+ } -+ -+ src = force_const_mem (mode, src); -+ -+ /* When using explicit relocs, constant pool references are sometimes -+ not legitimate addresses. */ -+ riscv_split_symbol (dest, XEXP (src, 0), mode, &XEXP (src, 0)); -+ riscv_emit_move (dest, src); -+} -+ -+/* If (set DEST SRC) is not a valid move instruction, emit an equivalent -+ sequence that is valid. */ -+ -+bool -+riscv_legitimize_move (enum machine_mode mode, rtx dest, rtx src) -+{ -+ if (!register_operand (dest, mode) && !reg_or_0_operand (src, mode)) -+ { -+ riscv_emit_move (dest, force_reg (mode, src)); -+ return true; -+ } -+ -+ /* We need to deal with constants that would be legitimate -+ immediate_operands but aren't legitimate move_operands. */ -+ if (CONSTANT_P (src) && !move_operand (src, mode)) -+ { -+ riscv_legitimize_const_move (mode, dest, src); -+ set_unique_reg_note (get_last_insn (), REG_EQUAL, copy_rtx (src)); -+ return true; -+ } -+ return false; -+} -+ -+/* Return true if there is an instruction that implements CODE and accepts -+ X as an immediate operand. */ -+ -+static int -+riscv_immediate_operand_p (int code, HOST_WIDE_INT x) -+{ -+ switch (code) -+ { -+ case ASHIFT: -+ case ASHIFTRT: -+ case LSHIFTRT: -+ /* All shift counts are truncated to a valid constant. */ -+ return true; -+ -+ case AND: -+ case IOR: -+ case XOR: -+ case PLUS: -+ case LT: -+ case LTU: -+ /* These instructions take 12-bit signed immediates. */ -+ return SMALL_OPERAND (x); -+ -+ case LE: -+ /* We add 1 to the immediate and use SLT. */ -+ return SMALL_OPERAND (x + 1); -+ -+ case LEU: -+ /* Likewise SLTU, but reject the always-true case. */ -+ return SMALL_OPERAND (x + 1) && x + 1 != 0; -+ -+ case GE: -+ case GEU: -+ /* We can emulate an immediate of 1 by using GT/GTU against x0. */ -+ return x == 1; -+ -+ default: -+ /* By default assume that x0 can be used for 0. */ -+ return x == 0; -+ } -+} -+ -+/* Return the cost of binary operation X, given that the instruction -+ sequence for a word-sized or smaller operation takes SIGNLE_INSNS -+ instructions and that the sequence of a double-word operation takes -+ DOUBLE_INSNS instructions. */ -+ -+static int -+riscv_binary_cost (rtx x, int single_insns, int double_insns) -+{ -+ if (GET_MODE_SIZE (GET_MODE (x)) == UNITS_PER_WORD * 2) -+ return COSTS_N_INSNS (double_insns); -+ return COSTS_N_INSNS (single_insns); -+} -+ -+/* Return the cost of sign-extending OP to mode MODE, not including the -+ cost of OP itself. */ -+ -+static int -+riscv_sign_extend_cost (enum machine_mode mode, rtx op) -+{ -+ if (MEM_P (op)) -+ /* Extended loads are as cheap as unextended ones. */ -+ return 0; -+ -+ if (TARGET_64BIT && mode == DImode && GET_MODE (op) == SImode) -+ /* A sign extension from SImode to DImode in 64-bit mode is free. */ -+ return 0; -+ -+ /* We need to use a shift left and a shift right. */ -+ return COSTS_N_INSNS (2); -+} -+ -+/* Return the cost of zero-extending OP to mode MODE, not including the -+ cost of OP itself. */ -+ -+static int -+riscv_zero_extend_cost (enum machine_mode mode, rtx op) -+{ -+ if (MEM_P (op)) -+ /* Extended loads are as cheap as unextended ones. */ -+ return 0; -+ -+ if ((TARGET_64BIT && mode == DImode && GET_MODE (op) == SImode) || -+ ((mode == DImode || mode == SImode) && GET_MODE (op) == HImode)) -+ /* We need a shift left by 32 bits and a shift right by 32 bits. */ -+ return COSTS_N_INSNS (2); -+ -+ /* We can use ANDI. */ -+ return COSTS_N_INSNS (1); -+} -+ -+/* Implement TARGET_RTX_COSTS. */ -+ -+static bool -+riscv_rtx_costs (rtx x, int code, int outer_code, int opno ATTRIBUTE_UNUSED, -+ int *total, bool speed) -+{ -+ enum machine_mode mode = GET_MODE (x); -+ bool float_mode_p = FLOAT_MODE_P (mode); -+ int cost; -+ -+ switch (code) -+ { -+ case CONST_INT: -+ if (riscv_immediate_operand_p (outer_code, INTVAL (x))) -+ { -+ *total = 0; -+ return true; -+ } -+ /* Fall through. */ -+ -+ case SYMBOL_REF: -+ case LABEL_REF: -+ case CONST_DOUBLE: -+ case CONST: -+ if (speed) -+ *total = 1; -+ else if ((cost = riscv_const_insns (x)) > 0) -+ *total = COSTS_N_INSNS (cost); -+ else /* The instruction will be fetched from the constant pool. */ -+ *total = COSTS_N_INSNS (riscv_symbol_insns (SYMBOL_ABSOLUTE)); -+ return true; -+ -+ case MEM: -+ /* If the address is legitimate, return the number of -+ instructions it needs. */ -+ if ((cost = riscv_address_insns (XEXP (x, 0), mode, true)) > 0) -+ { -+ *total = COSTS_N_INSNS (cost + tune_info->memory_cost); -+ return true; -+ } -+ /* Otherwise use the default handling. */ -+ return false; -+ -+ case NOT: -+ *total = COSTS_N_INSNS (GET_MODE_SIZE (mode) > UNITS_PER_WORD ? 2 : 1); -+ return false; -+ -+ case AND: -+ case IOR: -+ case XOR: -+ /* Double-word operations use two single-word operations. */ -+ *total = riscv_binary_cost (x, 1, 2); -+ return false; -+ -+ case ASHIFT: -+ case ASHIFTRT: -+ case LSHIFTRT: -+ *total = riscv_binary_cost (x, 1, CONSTANT_P (XEXP (x, 1)) ? 4 : 9); -+ return false; -+ -+ case ABS: -+ *total = COSTS_N_INSNS (float_mode_p ? 1 : 3); -+ return false; -+ -+ case LO_SUM: -+ *total = set_src_cost (XEXP (x, 0), speed); -+ return true; -+ -+ case LT: -+ case LTU: -+ case LE: -+ case LEU: -+ case GT: -+ case GTU: -+ case GE: -+ case GEU: -+ case EQ: -+ case NE: -+ case UNORDERED: -+ case LTGT: -+ /* Branch comparisons have VOIDmode, so use the first operand's -+ mode instead. */ -+ mode = GET_MODE (XEXP (x, 0)); -+ if (float_mode_p) -+ *total = tune_info->fp_add[mode == DFmode]; -+ else -+ *total = riscv_binary_cost (x, 1, 3); -+ return false; -+ -+ case MINUS: -+ if (float_mode_p -+ && !HONOR_NANS (mode) -+ && !HONOR_SIGNED_ZEROS (mode)) -+ { -+ /* See if we can use NMADD or NMSUB. See riscv.md for the -+ associated patterns. */ -+ rtx op0 = XEXP (x, 0); -+ rtx op1 = XEXP (x, 1); -+ if (GET_CODE (op0) == MULT && GET_CODE (XEXP (op0, 0)) == NEG) -+ { -+ *total = (tune_info->fp_mul[mode == DFmode] -+ + set_src_cost (XEXP (XEXP (op0, 0), 0), speed) -+ + set_src_cost (XEXP (op0, 1), speed) -+ + set_src_cost (op1, speed)); -+ return true; -+ } -+ if (GET_CODE (op1) == MULT) -+ { -+ *total = (tune_info->fp_mul[mode == DFmode] -+ + set_src_cost (op0, speed) -+ + set_src_cost (XEXP (op1, 0), speed) -+ + set_src_cost (XEXP (op1, 1), speed)); -+ return true; -+ } -+ } -+ /* Fall through. */ -+ -+ case PLUS: -+ if (float_mode_p) -+ *total = tune_info->fp_add[mode == DFmode]; -+ else -+ *total = riscv_binary_cost (x, 1, 4); -+ return false; -+ -+ case NEG: -+ if (float_mode_p -+ && !HONOR_NANS (mode) -+ && HONOR_SIGNED_ZEROS (mode)) -+ { -+ /* See if we can use NMADD or NMSUB. See riscv.md for the -+ associated patterns. */ -+ rtx op = XEXP (x, 0); -+ if ((GET_CODE (op) == PLUS || GET_CODE (op) == MINUS) -+ && GET_CODE (XEXP (op, 0)) == MULT) -+ { -+ *total = (tune_info->fp_mul[mode == DFmode] -+ + set_src_cost (XEXP (XEXP (op, 0), 0), speed) -+ + set_src_cost (XEXP (XEXP (op, 0), 1), speed) -+ + set_src_cost (XEXP (op, 1), speed)); -+ return true; -+ } -+ } -+ -+ if (float_mode_p) -+ *total = tune_info->fp_add[mode == DFmode]; -+ else -+ *total = COSTS_N_INSNS (GET_MODE_SIZE (mode) > UNITS_PER_WORD ? 4 : 1); -+ return false; -+ -+ case MULT: -+ if (float_mode_p) -+ *total = tune_info->fp_mul[mode == DFmode]; -+ else if (GET_MODE_SIZE (mode) > UNITS_PER_WORD) -+ *total = 3 * tune_info->int_mul[0] + COSTS_N_INSNS (2); -+ else if (!speed) -+ *total = COSTS_N_INSNS (1); -+ else -+ *total = tune_info->int_mul[mode == DImode]; -+ return false; -+ -+ case DIV: -+ case SQRT: -+ case MOD: -+ if (float_mode_p) -+ { -+ *total = tune_info->fp_div[mode == DFmode]; -+ return false; -+ } -+ /* Fall through. */ -+ -+ case UDIV: -+ case UMOD: -+ if (speed) -+ *total = tune_info->int_div[mode == DImode]; -+ else -+ *total = COSTS_N_INSNS (1); -+ return false; -+ -+ case SIGN_EXTEND: -+ *total = riscv_sign_extend_cost (mode, XEXP (x, 0)); -+ return false; -+ -+ case ZERO_EXTEND: -+ *total = riscv_zero_extend_cost (mode, XEXP (x, 0)); -+ return false; -+ -+ case FLOAT: -+ case UNSIGNED_FLOAT: -+ case FIX: -+ case FLOAT_EXTEND: -+ case FLOAT_TRUNCATE: -+ *total = tune_info->fp_add[mode == DFmode]; -+ return false; -+ -+ default: -+ return false; -+ } -+} -+ -+/* Implement TARGET_ADDRESS_COST. */ -+ -+static int -+riscv_address_cost (rtx addr, enum machine_mode mode, -+ addr_space_t as ATTRIBUTE_UNUSED, -+ bool speed ATTRIBUTE_UNUSED) -+{ -+ return riscv_address_insns (addr, mode, false); -+} -+ -+/* Return one word of double-word value OP. HIGH_P is true to select the -+ high part or false to select the low part. */ -+ -+rtx -+riscv_subword (rtx op, bool high_p) -+{ -+ unsigned int byte; -+ enum machine_mode mode; -+ -+ mode = GET_MODE (op); -+ if (mode == VOIDmode) -+ mode = TARGET_64BIT ? TImode : DImode; -+ -+ byte = high_p ? UNITS_PER_WORD : 0; -+ -+ if (FP_REG_RTX_P (op)) -+ return gen_rtx_REG (word_mode, REGNO (op) + high_p); -+ -+ if (MEM_P (op)) -+ return adjust_address (op, word_mode, byte); -+ -+ return simplify_gen_subreg (word_mode, op, mode, byte); -+} -+ -+/* Return true if a 64-bit move from SRC to DEST should be split into two. */ -+ -+bool -+riscv_split_64bit_move_p (rtx dest, rtx src) -+{ -+ /* All 64b moves are legal in 64b mode. All 64b FPR <-> FPR and -+ FPR <-> MEM moves are legal in 32b mode, too. Although -+ FPR <-> GPR moves are not available in general in 32b mode, -+ we can at least load 0 into an FPR with fcvt.d.w fpr, x0. */ -+ return !(TARGET_64BIT -+ || (FP_REG_RTX_P (src) && FP_REG_RTX_P (dest)) -+ || (FP_REG_RTX_P (dest) && MEM_P (src)) -+ || (FP_REG_RTX_P (src) && MEM_P (dest)) -+ || (FP_REG_RTX_P(dest) && src == CONST0_RTX(GET_MODE(src)))); -+} -+ -+/* Split a doubleword move from SRC to DEST. On 32-bit targets, -+ this function handles 64-bit moves for which riscv_split_64bit_move_p -+ holds. For 64-bit targets, this function handles 128-bit moves. */ -+ -+void -+riscv_split_doubleword_move (rtx dest, rtx src) -+{ -+ rtx low_dest; -+ -+ /* The operation can be split into two normal moves. Decide in -+ which order to do them. */ -+ low_dest = riscv_subword (dest, false); -+ if (REG_P (low_dest) && reg_overlap_mentioned_p (low_dest, src)) -+ { -+ riscv_emit_move (riscv_subword (dest, true), riscv_subword (src, true)); -+ riscv_emit_move (low_dest, riscv_subword (src, false)); -+ } -+ else -+ { -+ riscv_emit_move (low_dest, riscv_subword (src, false)); -+ riscv_emit_move (riscv_subword (dest, true), riscv_subword (src, true)); -+ } -+} -+ -+/* Return the appropriate instructions to move SRC into DEST. Assume -+ that SRC is operand 1 and DEST is operand 0. */ -+ -+const char * -+riscv_output_move (rtx dest, rtx src) -+{ -+ enum rtx_code dest_code, src_code; -+ enum machine_mode mode; -+ bool dbl_p; -+ -+ dest_code = GET_CODE (dest); -+ src_code = GET_CODE (src); -+ mode = GET_MODE (dest); -+ dbl_p = (GET_MODE_SIZE (mode) == 8); -+ -+ if (dbl_p && riscv_split_64bit_move_p (dest, src)) -+ return "#"; -+ -+ if ((src_code == REG && GP_REG_P (REGNO (src))) -+ || (src == CONST0_RTX (mode))) -+ { -+ if (dest_code == REG) -+ { -+ if (GP_REG_P (REGNO (dest))) -+ return "move\t%0,%z1"; -+ -+ if (FP_REG_P (REGNO (dest))) -+ { -+ if (!dbl_p) -+ return "fmv.s.x\t%0,%z1"; -+ if (TARGET_64BIT) -+ return "fmv.d.x\t%0,%z1"; -+ /* in RV32, we can emulate fmv.d.x %0, x0 using fcvt.d.w */ -+ gcc_assert (src == CONST0_RTX (mode)); -+ return "fcvt.d.w\t%0,x0"; -+ } -+ } -+ if (dest_code == MEM) -+ switch (GET_MODE_SIZE (mode)) -+ { -+ case 1: return "sb\t%z1,%0"; -+ case 2: return "sh\t%z1,%0"; -+ case 4: return "sw\t%z1,%0"; -+ case 8: return "sd\t%z1,%0"; -+ } -+ } -+ if (dest_code == REG && GP_REG_P (REGNO (dest))) -+ { -+ if (src_code == REG) -+ { -+ if (FP_REG_P (REGNO (src))) -+ return dbl_p ? "fmv.x.d\t%0,%1" : "fmv.x.s\t%0,%1"; -+ } -+ -+ if (src_code == MEM) -+ switch (GET_MODE_SIZE (mode)) -+ { -+ case 1: return "lbu\t%0,%1"; -+ case 2: return "lhu\t%0,%1"; -+ case 4: return "lw\t%0,%1"; -+ case 8: return "ld\t%0,%1"; -+ } -+ -+ if (src_code == CONST_INT) -+ return "li\t%0,%1"; -+ -+ if (src_code == HIGH) -+ return "lui\t%0,%h1"; -+ -+ if (symbolic_operand (src, VOIDmode)) -+ switch (riscv_classify_symbolic_expression (src)) -+ { -+ case SYMBOL_GOT_DISP: return "la\t%0,%1"; -+ case SYMBOL_ABSOLUTE: return "lla\t%0,%1"; -+ default: gcc_unreachable(); -+ } -+ } -+ if (src_code == REG && FP_REG_P (REGNO (src))) -+ { -+ if (dest_code == REG && FP_REG_P (REGNO (dest))) -+ return dbl_p ? "fmv.d\t%0,%1" : "fmv.s\t%0,%1"; -+ -+ if (dest_code == MEM) -+ return dbl_p ? "fsd\t%1,%0" : "fsw\t%1,%0"; -+ } -+ if (dest_code == REG && FP_REG_P (REGNO (dest))) -+ { -+ if (src_code == MEM) -+ return dbl_p ? "fld\t%0,%1" : "flw\t%0,%1"; -+ } -+ gcc_unreachable (); -+} -+ -+/* Return true if CMP1 is a suitable second operand for integer ordering -+ test CODE. See also the *sCC patterns in riscv.md. */ -+ -+static bool -+riscv_int_order_operand_ok_p (enum rtx_code code, rtx cmp1) -+{ -+ switch (code) -+ { -+ case GT: -+ case GTU: -+ return reg_or_0_operand (cmp1, VOIDmode); -+ -+ case GE: -+ case GEU: -+ return cmp1 == const1_rtx; -+ -+ case LT: -+ case LTU: -+ return arith_operand (cmp1, VOIDmode); -+ -+ case LE: -+ return sle_operand (cmp1, VOIDmode); -+ -+ case LEU: -+ return sleu_operand (cmp1, VOIDmode); -+ -+ default: -+ gcc_unreachable (); -+ } -+} -+ -+/* Return true if *CMP1 (of mode MODE) is a valid second operand for -+ integer ordering test *CODE, or if an equivalent combination can -+ be formed by adjusting *CODE and *CMP1. When returning true, update -+ *CODE and *CMP1 with the chosen code and operand, otherwise leave -+ them alone. */ -+ -+static bool -+riscv_canonicalize_int_order_test (enum rtx_code *code, rtx *cmp1, -+ enum machine_mode mode) -+{ -+ HOST_WIDE_INT plus_one; -+ -+ if (riscv_int_order_operand_ok_p (*code, *cmp1)) -+ return true; -+ -+ if (CONST_INT_P (*cmp1)) -+ switch (*code) -+ { -+ case LE: -+ plus_one = trunc_int_for_mode (UINTVAL (*cmp1) + 1, mode); -+ if (INTVAL (*cmp1) < plus_one) -+ { -+ *code = LT; -+ *cmp1 = force_reg (mode, GEN_INT (plus_one)); -+ return true; -+ } -+ break; -+ -+ case LEU: -+ plus_one = trunc_int_for_mode (UINTVAL (*cmp1) + 1, mode); -+ if (plus_one != 0) -+ { -+ *code = LTU; -+ *cmp1 = force_reg (mode, GEN_INT (plus_one)); -+ return true; -+ } -+ break; -+ -+ default: -+ break; -+ } -+ return false; -+} -+ -+/* Compare CMP0 and CMP1 using ordering test CODE and store the result -+ in TARGET. CMP0 and TARGET are register_operands. If INVERT_PTR -+ is nonnull, it's OK to set TARGET to the inverse of the result and -+ flip *INVERT_PTR instead. */ -+ -+static void -+riscv_emit_int_order_test (enum rtx_code code, bool *invert_ptr, -+ rtx target, rtx cmp0, rtx cmp1) -+{ -+ enum machine_mode mode; -+ -+ /* First see if there is a RISCV instruction that can do this operation. -+ If not, try doing the same for the inverse operation. If that also -+ fails, force CMP1 into a register and try again. */ -+ mode = GET_MODE (cmp0); -+ if (riscv_canonicalize_int_order_test (&code, &cmp1, mode)) -+ riscv_emit_binary (code, target, cmp0, cmp1); -+ else -+ { -+ enum rtx_code inv_code = reverse_condition (code); -+ if (!riscv_canonicalize_int_order_test (&inv_code, &cmp1, mode)) -+ { -+ cmp1 = force_reg (mode, cmp1); -+ riscv_emit_int_order_test (code, invert_ptr, target, cmp0, cmp1); -+ } -+ else if (invert_ptr == 0) -+ { -+ rtx inv_target; -+ -+ inv_target = riscv_force_binary (GET_MODE (target), -+ inv_code, cmp0, cmp1); -+ riscv_emit_binary (XOR, target, inv_target, const1_rtx); -+ } -+ else -+ { -+ *invert_ptr = !*invert_ptr; -+ riscv_emit_binary (inv_code, target, cmp0, cmp1); -+ } -+ } -+} -+ -+/* Return a register that is zero iff CMP0 and CMP1 are equal. -+ The register will have the same mode as CMP0. */ -+ -+static rtx -+riscv_zero_if_equal (rtx cmp0, rtx cmp1) -+{ -+ if (cmp1 == const0_rtx) -+ return cmp0; -+ -+ return expand_binop (GET_MODE (cmp0), sub_optab, -+ cmp0, cmp1, 0, 0, OPTAB_DIRECT); -+} -+ -+/* Return false if we can easily emit code for the FP comparison specified -+ by *CODE. If not, set *CODE to its inverse and return true. */ -+ -+static bool -+riscv_reversed_fp_cond (enum rtx_code *code) -+{ -+ switch (*code) -+ { -+ case EQ: -+ case LT: -+ case LE: -+ case GT: -+ case GE: -+ case LTGT: -+ case ORDERED: -+ /* We know how to emit code for these cases... */ -+ return false; -+ -+ default: -+ /* ...but we must invert these and rely on the others. */ -+ *code = reverse_condition_maybe_unordered (*code); -+ return true; -+ } -+} -+ -+/* Convert a comparison into something that can be used in a branch or -+ conditional move. On entry, *OP0 and *OP1 are the values being -+ compared and *CODE is the code used to compare them. -+ -+ Update *CODE, *OP0 and *OP1 so that they describe the final comparison. */ -+ -+static void -+riscv_emit_compare (enum rtx_code *code, rtx *op0, rtx *op1) -+{ -+ rtx cmp_op0 = *op0; -+ rtx cmp_op1 = *op1; -+ -+ if (GET_MODE_CLASS (GET_MODE (*op0)) == MODE_INT) -+ { -+ if (splittable_const_int_operand (cmp_op1, VOIDmode)) -+ { -+ HOST_WIDE_INT rhs = INTVAL (cmp_op1), new_rhs; -+ enum rtx_code new_code; -+ -+ switch (*code) -+ { -+ case LTU: new_rhs = rhs - 1; new_code = LEU; goto try_new_rhs; -+ case LEU: new_rhs = rhs + 1; new_code = LTU; goto try_new_rhs; -+ case GTU: new_rhs = rhs + 1; new_code = GEU; goto try_new_rhs; -+ case GEU: new_rhs = rhs - 1; new_code = GTU; goto try_new_rhs; -+ case LT: new_rhs = rhs - 1; new_code = LE; goto try_new_rhs; -+ case LE: new_rhs = rhs + 1; new_code = LT; goto try_new_rhs; -+ case GT: new_rhs = rhs + 1; new_code = GE; goto try_new_rhs; -+ case GE: new_rhs = rhs - 1; new_code = GT; -+ try_new_rhs: -+ /* Convert e.g. OP0 > 4095 into OP0 >= 4096. */ -+ if ((rhs < 0) == (new_rhs < 0) -+ && riscv_integer_cost (new_rhs) < riscv_integer_cost (rhs)) -+ { -+ *op1 = GEN_INT (new_rhs); -+ *code = new_code; -+ } -+ break; -+ -+ case EQ: -+ case NE: -+ /* Convert e.g. OP0 == 2048 into OP0 - 2048 == 0. */ -+ if (SMALL_OPERAND (-rhs)) -+ { -+ *op0 = gen_reg_rtx (GET_MODE (cmp_op0)); -+ riscv_emit_binary (PLUS, *op0, cmp_op0, GEN_INT (-rhs)); -+ *op1 = const0_rtx; -+ } -+ default: -+ break; -+ } -+ } -+ -+ if (*op1 != const0_rtx) -+ *op1 = force_reg (GET_MODE (cmp_op0), *op1); -+ } -+ else -+ { -+ /* For FP comparisons, set an integer register with the result of the -+ comparison, then branch on it. */ -+ rtx tmp0, tmp1, final_op; -+ enum rtx_code fp_code = *code; -+ *code = riscv_reversed_fp_cond (&fp_code) ? EQ : NE; -+ -+ switch (fp_code) -+ { -+ case ORDERED: -+ /* a == a && b == b */ -+ tmp0 = gen_reg_rtx (SImode); -+ riscv_emit_binary (EQ, tmp0, cmp_op0, cmp_op0); -+ tmp1 = gen_reg_rtx (SImode); -+ riscv_emit_binary (EQ, tmp1, cmp_op1, cmp_op1); -+ final_op = gen_reg_rtx (SImode); -+ riscv_emit_binary (AND, final_op, tmp0, tmp1); -+ break; -+ -+ case LTGT: -+ /* a < b || a > b */ -+ tmp0 = gen_reg_rtx (SImode); -+ riscv_emit_binary (LT, tmp0, cmp_op0, cmp_op1); -+ tmp1 = gen_reg_rtx (SImode); -+ riscv_emit_binary (GT, tmp1, cmp_op0, cmp_op1); -+ final_op = gen_reg_rtx (SImode); -+ riscv_emit_binary (IOR, final_op, tmp0, tmp1); -+ break; -+ -+ case EQ: -+ case LE: -+ case LT: -+ case GE: -+ case GT: -+ /* We have instructions for these cases. */ -+ final_op = gen_reg_rtx (SImode); -+ riscv_emit_binary (fp_code, final_op, cmp_op0, cmp_op1); -+ break; -+ -+ default: -+ gcc_unreachable (); -+ } -+ -+ /* Compare the binary result against 0. */ -+ *op0 = final_op; -+ *op1 = const0_rtx; -+ } -+} -+ -+/* Try performing the comparison in OPERANDS[1], whose arms are OPERANDS[2] -+ and OPERAND[3]. Store the result in OPERANDS[0]. -+ -+ On 64-bit targets, the mode of the comparison and target will always be -+ SImode, thus possibly narrower than that of the comparison's operands. */ -+ -+void -+riscv_expand_scc (rtx operands[]) -+{ -+ rtx target = operands[0]; -+ enum rtx_code code = GET_CODE (operands[1]); -+ rtx op0 = operands[2]; -+ rtx op1 = operands[3]; -+ -+ gcc_assert (GET_MODE_CLASS (GET_MODE (op0)) == MODE_INT); -+ -+ if (code == EQ || code == NE) -+ { -+ rtx zie = riscv_zero_if_equal (op0, op1); -+ riscv_emit_binary (code, target, zie, const0_rtx); -+ } -+ else -+ riscv_emit_int_order_test (code, 0, target, op0, op1); -+} -+ -+/* Compare OPERANDS[1] with OPERANDS[2] using comparison code -+ CODE and jump to OPERANDS[3] if the condition holds. */ -+ -+void -+riscv_expand_conditional_branch (rtx *operands) -+{ -+ enum rtx_code code = GET_CODE (operands[0]); -+ rtx op0 = operands[1]; -+ rtx op1 = operands[2]; -+ rtx condition; -+ -+ riscv_emit_compare (&code, &op0, &op1); -+ condition = gen_rtx_fmt_ee (code, VOIDmode, op0, op1); -+ emit_jump_insn (gen_condjump (condition, operands[3])); -+} -+ -+/* Implement TARGET_FUNCTION_ARG_BOUNDARY. Every parameter gets at -+ least PARM_BOUNDARY bits of alignment, but will be given anything up -+ to STACK_BOUNDARY bits if the type requires it. */ -+ -+static unsigned int -+riscv_function_arg_boundary (enum machine_mode mode, const_tree type) -+{ -+ unsigned int alignment; -+ -+ alignment = type ? TYPE_ALIGN (type) : GET_MODE_ALIGNMENT (mode); -+ if (alignment < PARM_BOUNDARY) -+ alignment = PARM_BOUNDARY; -+ if (alignment > STACK_BOUNDARY) -+ alignment = STACK_BOUNDARY; -+ return alignment; -+} -+ -+/* Fill INFO with information about a single argument. CUM is the -+ cumulative state for earlier arguments. MODE is the mode of this -+ argument and TYPE is its type (if known). NAMED is true if this -+ is a named (fixed) argument rather than a variable one. */ -+ -+static void -+riscv_get_arg_info (struct riscv_arg_info *info, const CUMULATIVE_ARGS *cum, -+ enum machine_mode mode, const_tree type, bool named) -+{ -+ bool doubleword_aligned_p; -+ unsigned int num_bytes, num_words, max_regs; -+ -+ /* Work out the size of the argument. */ -+ num_bytes = type ? int_size_in_bytes (type) : GET_MODE_SIZE (mode); -+ num_words = (num_bytes + UNITS_PER_WORD - 1) / UNITS_PER_WORD; -+ -+ /* Scalar, complex and vector floating-point types are passed in -+ floating-point registers, as long as this is a named rather -+ than a variable argument. */ -+ info->fpr_p = (named -+ && (type == 0 || FLOAT_TYPE_P (type)) -+ && (GET_MODE_CLASS (mode) == MODE_FLOAT -+ || GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT -+ || GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT) -+ && GET_MODE_UNIT_SIZE (mode) <= UNITS_PER_FPVALUE); -+ -+ /* Complex floats should only go into FPRs if there are two FPRs free, -+ otherwise they should be passed in the same way as a struct -+ containing two floats. */ -+ if (info->fpr_p -+ && GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT -+ && GET_MODE_UNIT_SIZE (mode) < UNITS_PER_FPVALUE) -+ { -+ if (cum->num_gprs >= MAX_ARGS_IN_REGISTERS - 1) -+ info->fpr_p = false; -+ else -+ num_words = 2; -+ } -+ -+ /* See whether the argument has doubleword alignment. */ -+ doubleword_aligned_p = (riscv_function_arg_boundary (mode, type) -+ > BITS_PER_WORD); -+ -+ /* Set REG_OFFSET to the register count we're interested in. -+ The EABI allocates the floating-point registers separately, -+ but the other ABIs allocate them like integer registers. */ -+ info->reg_offset = cum->num_gprs; -+ -+ /* Advance to an even register if the argument is doubleword-aligned. */ -+ if (doubleword_aligned_p) -+ info->reg_offset += info->reg_offset & 1; -+ -+ /* Work out the offset of a stack argument. */ -+ info->stack_offset = cum->stack_words; -+ if (doubleword_aligned_p) -+ info->stack_offset += info->stack_offset & 1; -+ -+ max_regs = MAX_ARGS_IN_REGISTERS - info->reg_offset; -+ -+ /* Partition the argument between registers and stack. */ -+ info->reg_words = MIN (num_words, max_regs); -+ info->stack_words = num_words - info->reg_words; -+} -+ -+/* INFO describes a register argument that has the normal format for the -+ argument's mode. Return the register it uses, assuming that FPRs are -+ available if HARD_FLOAT_P. */ -+ -+static unsigned int -+riscv_arg_regno (const struct riscv_arg_info *info, bool hard_float_p) -+{ -+ if (!info->fpr_p || !hard_float_p) -+ return GP_ARG_FIRST + info->reg_offset; -+ else -+ return FP_ARG_FIRST + info->reg_offset; -+} -+ -+/* Implement TARGET_FUNCTION_ARG. */ -+ -+static rtx -+riscv_function_arg (cumulative_args_t cum_v, enum machine_mode mode, -+ const_tree type, bool named) -+{ -+ CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); -+ struct riscv_arg_info info; -+ -+ if (mode == VOIDmode) -+ return NULL; -+ -+ riscv_get_arg_info (&info, cum, mode, type, named); -+ -+ /* Return straight away if the whole argument is passed on the stack. */ -+ if (info.reg_offset == MAX_ARGS_IN_REGISTERS) -+ return NULL; -+ -+ /* The n32 and n64 ABIs say that if any 64-bit chunk of the structure -+ contains a double in its entirety, then that 64-bit chunk is passed -+ in a floating-point register. */ -+ if (TARGET_HARD_FLOAT -+ && named -+ && type != 0 -+ && TREE_CODE (type) == RECORD_TYPE -+ && TYPE_SIZE_UNIT (type) -+ && tree_fits_uhwi_p (TYPE_SIZE_UNIT (type))) -+ { -+ tree field; -+ -+ /* First check to see if there is any such field. */ -+ for (field = TYPE_FIELDS (type); field; field = DECL_CHAIN (field)) -+ if (TREE_CODE (field) == FIELD_DECL -+ && SCALAR_FLOAT_TYPE_P (TREE_TYPE (field)) -+ && TYPE_PRECISION (TREE_TYPE (field)) == BITS_PER_WORD -+ && tree_fits_shwi_p (bit_position (field)) -+ && int_bit_position (field) % BITS_PER_WORD == 0) -+ break; -+ -+ if (field != 0) -+ { -+ /* Now handle the special case by returning a PARALLEL -+ indicating where each 64-bit chunk goes. INFO.REG_WORDS -+ chunks are passed in registers. */ -+ unsigned int i; -+ HOST_WIDE_INT bitpos; -+ rtx ret; -+ -+ /* assign_parms checks the mode of ENTRY_PARM, so we must -+ use the actual mode here. */ -+ ret = gen_rtx_PARALLEL (mode, rtvec_alloc (info.reg_words)); -+ -+ bitpos = 0; -+ field = TYPE_FIELDS (type); -+ for (i = 0; i < info.reg_words; i++) -+ { -+ rtx reg; -+ -+ for (; field; field = DECL_CHAIN (field)) -+ if (TREE_CODE (field) == FIELD_DECL -+ && int_bit_position (field) >= bitpos) -+ break; -+ -+ if (field -+ && int_bit_position (field) == bitpos -+ && SCALAR_FLOAT_TYPE_P (TREE_TYPE (field)) -+ && TYPE_PRECISION (TREE_TYPE (field)) == BITS_PER_WORD) -+ reg = gen_rtx_REG (DFmode, FP_ARG_FIRST + info.reg_offset + i); -+ else -+ reg = gen_rtx_REG (DImode, GP_ARG_FIRST + info.reg_offset + i); -+ -+ XVECEXP (ret, 0, i) -+ = gen_rtx_EXPR_LIST (VOIDmode, reg, -+ GEN_INT (bitpos / BITS_PER_UNIT)); -+ -+ bitpos += BITS_PER_WORD; -+ } -+ return ret; -+ } -+ } -+ -+ /* Handle the n32/n64 conventions for passing complex floating-point -+ arguments in FPR pairs. The real part goes in the lower register -+ and the imaginary part goes in the upper register. */ -+ if (info.fpr_p -+ && GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT) -+ { -+ rtx real, imag; -+ enum machine_mode inner; -+ unsigned int regno; -+ -+ inner = GET_MODE_INNER (mode); -+ regno = FP_ARG_FIRST + info.reg_offset; -+ if (info.reg_words * UNITS_PER_WORD == GET_MODE_SIZE (inner)) -+ { -+ /* Real part in registers, imaginary part on stack. */ -+ gcc_assert (info.stack_words == info.reg_words); -+ return gen_rtx_REG (inner, regno); -+ } -+ else -+ { -+ gcc_assert (info.stack_words == 0); -+ real = gen_rtx_EXPR_LIST (VOIDmode, -+ gen_rtx_REG (inner, regno), -+ const0_rtx); -+ imag = gen_rtx_EXPR_LIST (VOIDmode, -+ gen_rtx_REG (inner, -+ regno + info.reg_words / 2), -+ GEN_INT (GET_MODE_SIZE (inner))); -+ return gen_rtx_PARALLEL (mode, gen_rtvec (2, real, imag)); -+ } -+ } -+ -+ return gen_rtx_REG (mode, riscv_arg_regno (&info, TARGET_HARD_FLOAT)); -+} -+ -+/* Implement TARGET_FUNCTION_ARG_ADVANCE. */ -+ -+static void -+riscv_function_arg_advance (cumulative_args_t cum_v, enum machine_mode mode, -+ const_tree type, bool named) -+{ -+ CUMULATIVE_ARGS *cum = get_cumulative_args (cum_v); -+ struct riscv_arg_info info; -+ -+ riscv_get_arg_info (&info, cum, mode, type, named); -+ -+ /* Advance the register count. This has the effect of setting -+ num_gprs to MAX_ARGS_IN_REGISTERS if a doubleword-aligned -+ argument required us to skip the final GPR and pass the whole -+ argument on the stack. */ -+ cum->num_gprs = info.reg_offset + info.reg_words; -+ -+ /* Advance the stack word count. */ -+ if (info.stack_words > 0) -+ cum->stack_words = info.stack_offset + info.stack_words; -+} -+ -+/* Implement TARGET_ARG_PARTIAL_BYTES. */ -+ -+static int -+riscv_arg_partial_bytes (cumulative_args_t cum, -+ enum machine_mode mode, tree type, bool named) -+{ -+ struct riscv_arg_info info; -+ -+ riscv_get_arg_info (&info, get_cumulative_args (cum), mode, type, named); -+ return info.stack_words > 0 ? info.reg_words * UNITS_PER_WORD : 0; -+} -+ -+/* See whether VALTYPE is a record whose fields should be returned in -+ floating-point registers. If so, return the number of fields and -+ list them in FIELDS (which should have two elements). Return 0 -+ otherwise. -+ -+ For n32 & n64, a structure with one or two fields is returned in -+ floating-point registers as long as every field has a floating-point -+ type. */ -+ -+static int -+riscv_fpr_return_fields (const_tree valtype, tree *fields) -+{ -+ tree field; -+ int i; -+ -+ if (TREE_CODE (valtype) != RECORD_TYPE) -+ return 0; -+ -+ i = 0; -+ for (field = TYPE_FIELDS (valtype); field != 0; field = DECL_CHAIN (field)) -+ { -+ if (TREE_CODE (field) != FIELD_DECL) -+ continue; -+ -+ if (!SCALAR_FLOAT_TYPE_P (TREE_TYPE (field))) -+ return 0; -+ -+ if (i == 2) -+ return 0; -+ -+ fields[i++] = field; -+ } -+ return i; -+} -+ -+/* Return true if the function return value MODE will get returned in a -+ floating-point register. */ -+ -+static bool -+riscv_return_mode_in_fpr_p (enum machine_mode mode) -+{ -+ return ((GET_MODE_CLASS (mode) == MODE_FLOAT -+ || GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT -+ || GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT) -+ && GET_MODE_UNIT_SIZE (mode) <= UNITS_PER_HWFPVALUE); -+} -+ -+/* Return the representation of an FPR return register when the -+ value being returned in FP_RETURN has mode VALUE_MODE and the -+ return type itself has mode TYPE_MODE. On NewABI targets, -+ the two modes may be different for structures like: -+ -+ struct __attribute__((packed)) foo { float f; } -+ -+ where we return the SFmode value of "f" in FP_RETURN, but where -+ the structure itself has mode BLKmode. */ -+ -+static rtx -+riscv_return_fpr_single (enum machine_mode type_mode, -+ enum machine_mode value_mode) -+{ -+ rtx x; -+ -+ x = gen_rtx_REG (value_mode, FP_RETURN); -+ if (type_mode != value_mode) -+ { -+ x = gen_rtx_EXPR_LIST (VOIDmode, x, const0_rtx); -+ x = gen_rtx_PARALLEL (type_mode, gen_rtvec (1, x)); -+ } -+ return x; -+} -+ -+/* Return a composite value in a pair of floating-point registers. -+ MODE1 and OFFSET1 are the mode and byte offset for the first value, -+ likewise MODE2 and OFFSET2 for the second. MODE is the mode of the -+ complete value. -+ -+ For n32 & n64, $f0 always holds the first value and $f2 the second. -+ Otherwise the values are packed together as closely as possible. */ -+ -+static rtx -+riscv_return_fpr_pair (enum machine_mode mode, -+ enum machine_mode mode1, HOST_WIDE_INT offset1, -+ enum machine_mode mode2, HOST_WIDE_INT offset2) -+{ -+ return gen_rtx_PARALLEL -+ (mode, -+ gen_rtvec (2, -+ gen_rtx_EXPR_LIST (VOIDmode, -+ gen_rtx_REG (mode1, FP_RETURN), -+ GEN_INT (offset1)), -+ gen_rtx_EXPR_LIST (VOIDmode, -+ gen_rtx_REG (mode2, FP_RETURN + 1), -+ GEN_INT (offset2)))); -+ -+} -+ -+/* Implement FUNCTION_VALUE and LIBCALL_VALUE. For normal calls, -+ VALTYPE is the return type and MODE is VOIDmode. For libcalls, -+ VALTYPE is null and MODE is the mode of the return value. */ -+ -+rtx -+riscv_function_value (const_tree valtype, const_tree func, enum machine_mode mode) -+{ -+ if (valtype) -+ { -+ tree fields[2]; -+ int unsigned_p; -+ -+ mode = TYPE_MODE (valtype); -+ unsigned_p = TYPE_UNSIGNED (valtype); -+ -+ /* Since TARGET_PROMOTE_FUNCTION_MODE unconditionally promotes, -+ return values, promote the mode here too. */ -+ mode = promote_function_mode (valtype, mode, &unsigned_p, func, 1); -+ -+ /* Handle structures whose fields are returned in $f0/$f2. */ -+ switch (riscv_fpr_return_fields (valtype, fields)) -+ { -+ case 1: -+ return riscv_return_fpr_single (mode, -+ TYPE_MODE (TREE_TYPE (fields[0]))); -+ -+ case 2: -+ return riscv_return_fpr_pair (mode, -+ TYPE_MODE (TREE_TYPE (fields[0])), -+ int_byte_position (fields[0]), -+ TYPE_MODE (TREE_TYPE (fields[1])), -+ int_byte_position (fields[1])); -+ } -+ -+ /* Only use FPRs for scalar, complex or vector types. */ -+ if (!FLOAT_TYPE_P (valtype)) -+ return gen_rtx_REG (mode, GP_RETURN); -+ } -+ -+ /* Handle long doubles for n32 & n64. */ -+ if (mode == TFmode) -+ return riscv_return_fpr_pair (mode, -+ DImode, 0, -+ DImode, GET_MODE_SIZE (mode) / 2); -+ -+ if (riscv_return_mode_in_fpr_p (mode)) -+ { -+ if (GET_MODE_CLASS (mode) == MODE_COMPLEX_FLOAT) -+ return riscv_return_fpr_pair (mode, -+ GET_MODE_INNER (mode), 0, -+ GET_MODE_INNER (mode), -+ GET_MODE_SIZE (mode) / 2); -+ else -+ return gen_rtx_REG (mode, FP_RETURN); -+ } -+ -+ return gen_rtx_REG (mode, GP_RETURN); -+} -+ -+/* Implement TARGET_RETURN_IN_MEMORY. Scalars and small structures -+ that fit in two registers are returned in a0/a1. */ -+ -+static bool -+riscv_return_in_memory (const_tree type, const_tree fndecl ATTRIBUTE_UNUSED) -+{ -+ return !IN_RANGE (int_size_in_bytes (type), 0, 2 * UNITS_PER_WORD); -+} -+ -+/* Implement TARGET_PASS_BY_REFERENCE. */ -+ -+static bool -+riscv_pass_by_reference (cumulative_args_t cum ATTRIBUTE_UNUSED, -+ enum machine_mode mode, const_tree type, -+ bool named ATTRIBUTE_UNUSED) -+{ -+ if (type && riscv_return_in_memory (type, NULL_TREE)) -+ return true; -+ return targetm.calls.must_pass_in_stack (mode, type); -+} -+ -+/* Implement TARGET_SETUP_INCOMING_VARARGS. */ -+ -+static void -+riscv_setup_incoming_varargs (cumulative_args_t cum, enum machine_mode mode, -+ tree type, int *pretend_size ATTRIBUTE_UNUSED, -+ int no_rtl) -+{ -+ CUMULATIVE_ARGS local_cum; -+ int gp_saved; -+ -+ /* The caller has advanced CUM up to, but not beyond, the last named -+ argument. Advance a local copy of CUM past the last "real" named -+ argument, to find out how many registers are left over. */ -+ local_cum = *get_cumulative_args (cum); -+ riscv_function_arg_advance (pack_cumulative_args (&local_cum), mode, type, 1); -+ -+ /* Found out how many registers we need to save. */ -+ gp_saved = MAX_ARGS_IN_REGISTERS - local_cum.num_gprs; -+ -+ if (!no_rtl && gp_saved > 0) -+ { -+ rtx ptr, mem; -+ -+ ptr = plus_constant (Pmode, virtual_incoming_args_rtx, -+ REG_PARM_STACK_SPACE (cfun->decl) -+ - gp_saved * UNITS_PER_WORD); -+ mem = gen_frame_mem (BLKmode, ptr); -+ set_mem_alias_set (mem, get_varargs_alias_set ()); -+ -+ move_block_from_reg (local_cum.num_gprs + GP_ARG_FIRST, -+ mem, gp_saved); -+ } -+ if (REG_PARM_STACK_SPACE (cfun->decl) == 0) -+ cfun->machine->varargs_size = gp_saved * UNITS_PER_WORD; -+} -+ -+/* Implement TARGET_EXPAND_BUILTIN_VA_START. */ -+ -+static void -+riscv_va_start (tree valist, rtx nextarg) -+{ -+ nextarg = plus_constant (Pmode, nextarg, -cfun->machine->varargs_size); -+ std_expand_builtin_va_start (valist, nextarg); -+} -+ -+/* Expand a call of type TYPE. RESULT is where the result will go (null -+ for "call"s and "sibcall"s), ADDR is the address of the function, -+ ARGS_SIZE is the size of the arguments and AUX is the value passed -+ to us by riscv_function_arg. Return the call itself. */ -+ -+rtx -+riscv_expand_call (bool sibcall_p, rtx result, rtx addr, rtx args_size) -+{ -+ rtx pattern; -+ -+ if (!call_insn_operand (addr, VOIDmode)) -+ { -+ rtx reg = RISCV_EPILOGUE_TEMP (Pmode); -+ riscv_emit_move (reg, addr); -+ addr = reg; -+ } -+ -+ if (result == 0) -+ { -+ rtx (*fn) (rtx, rtx); -+ -+ if (sibcall_p) -+ fn = gen_sibcall_internal; -+ else -+ fn = gen_call_internal; -+ -+ pattern = fn (addr, args_size); -+ } -+ else if (GET_CODE (result) == PARALLEL && XVECLEN (result, 0) == 2) -+ { -+ /* Handle return values created by riscv_return_fpr_pair. */ -+ rtx (*fn) (rtx, rtx, rtx, rtx); -+ rtx reg1, reg2; -+ -+ if (sibcall_p) -+ fn = gen_sibcall_value_multiple_internal; -+ else -+ fn = gen_call_value_multiple_internal; -+ -+ reg1 = XEXP (XVECEXP (result, 0, 0), 0); -+ reg2 = XEXP (XVECEXP (result, 0, 1), 0); -+ pattern = fn (reg1, addr, args_size, reg2); -+ } -+ else -+ { -+ rtx (*fn) (rtx, rtx, rtx); -+ -+ if (sibcall_p) -+ fn = gen_sibcall_value_internal; -+ else -+ fn = gen_call_value_internal; -+ -+ /* Handle return values created by riscv_return_fpr_single. */ -+ if (GET_CODE (result) == PARALLEL && XVECLEN (result, 0) == 1) -+ result = XEXP (XVECEXP (result, 0, 0), 0); -+ pattern = fn (result, addr, args_size); -+ } -+ -+ return emit_call_insn (pattern); -+} -+ -+/* Emit straight-line code to move LENGTH bytes from SRC to DEST. -+ Assume that the areas do not overlap. */ -+ -+static void -+riscv_block_move_straight (rtx dest, rtx src, HOST_WIDE_INT length) -+{ -+ HOST_WIDE_INT offset, delta; -+ unsigned HOST_WIDE_INT bits; -+ int i; -+ enum machine_mode mode; -+ rtx *regs; -+ -+ bits = MAX( BITS_PER_UNIT, -+ MIN( BITS_PER_WORD, MIN( MEM_ALIGN(src),MEM_ALIGN(dest) ) ) ); -+ -+ mode = mode_for_size (bits, MODE_INT, 0); -+ delta = bits / BITS_PER_UNIT; -+ -+ /* Allocate a buffer for the temporary registers. */ -+ regs = XALLOCAVEC (rtx, length / delta); -+ -+ /* Load as many BITS-sized chunks as possible. Use a normal load if -+ the source has enough alignment, otherwise use left/right pairs. */ -+ for (offset = 0, i = 0; offset + delta <= length; offset += delta, i++) -+ { -+ regs[i] = gen_reg_rtx (mode); -+ riscv_emit_move (regs[i], adjust_address (src, mode, offset)); -+ } -+ -+ /* Copy the chunks to the destination. */ -+ for (offset = 0, i = 0; offset + delta <= length; offset += delta, i++) -+ riscv_emit_move (adjust_address (dest, mode, offset), regs[i]); -+ -+ /* Mop up any left-over bytes. */ -+ if (offset < length) -+ { -+ src = adjust_address (src, BLKmode, offset); -+ dest = adjust_address (dest, BLKmode, offset); -+ move_by_pieces (dest, src, length - offset, -+ MIN (MEM_ALIGN (src), MEM_ALIGN (dest)), 0); -+ } -+} -+ -+/* Helper function for doing a loop-based block operation on memory -+ reference MEM. Each iteration of the loop will operate on LENGTH -+ bytes of MEM. -+ -+ Create a new base register for use within the loop and point it to -+ the start of MEM. Create a new memory reference that uses this -+ register. Store them in *LOOP_REG and *LOOP_MEM respectively. */ -+ -+static void -+riscv_adjust_block_mem (rtx mem, HOST_WIDE_INT length, -+ rtx *loop_reg, rtx *loop_mem) -+{ -+ *loop_reg = copy_addr_to_reg (XEXP (mem, 0)); -+ -+ /* Although the new mem does not refer to a known location, -+ it does keep up to LENGTH bytes of alignment. */ -+ *loop_mem = change_address (mem, BLKmode, *loop_reg); -+ set_mem_align (*loop_mem, MIN (MEM_ALIGN (mem), length * BITS_PER_UNIT)); -+} -+ -+/* Move LENGTH bytes from SRC to DEST using a loop that moves BYTES_PER_ITER -+ bytes at a time. LENGTH must be at least BYTES_PER_ITER. Assume that -+ the memory regions do not overlap. */ -+ -+static void -+riscv_block_move_loop (rtx dest, rtx src, HOST_WIDE_INT length, -+ HOST_WIDE_INT bytes_per_iter) -+{ -+ rtx label, src_reg, dest_reg, final_src, test; -+ HOST_WIDE_INT leftover; -+ -+ leftover = length % bytes_per_iter; -+ length -= leftover; -+ -+ /* Create registers and memory references for use within the loop. */ -+ riscv_adjust_block_mem (src, bytes_per_iter, &src_reg, &src); -+ riscv_adjust_block_mem (dest, bytes_per_iter, &dest_reg, &dest); -+ -+ /* Calculate the value that SRC_REG should have after the last iteration -+ of the loop. */ -+ final_src = expand_simple_binop (Pmode, PLUS, src_reg, GEN_INT (length), -+ 0, 0, OPTAB_WIDEN); -+ -+ /* Emit the start of the loop. */ -+ label = gen_label_rtx (); -+ emit_label (label); -+ -+ /* Emit the loop body. */ -+ riscv_block_move_straight (dest, src, bytes_per_iter); -+ -+ /* Move on to the next block. */ -+ riscv_emit_move (src_reg, plus_constant (Pmode, src_reg, bytes_per_iter)); -+ riscv_emit_move (dest_reg, plus_constant (Pmode, dest_reg, bytes_per_iter)); -+ -+ /* Emit the loop condition. */ -+ test = gen_rtx_NE (VOIDmode, src_reg, final_src); -+ if (Pmode == DImode) -+ emit_jump_insn (gen_cbranchdi4 (test, src_reg, final_src, label)); -+ else -+ emit_jump_insn (gen_cbranchsi4 (test, src_reg, final_src, label)); -+ -+ /* Mop up any left-over bytes. */ -+ if (leftover) -+ riscv_block_move_straight (dest, src, leftover); -+} -+ -+/* Expand a movmemsi instruction, which copies LENGTH bytes from -+ memory reference SRC to memory reference DEST. */ -+ -+bool -+riscv_expand_block_move (rtx dest, rtx src, rtx length) -+{ -+ if (CONST_INT_P (length)) -+ { -+ HOST_WIDE_INT factor, align; -+ -+ align = MIN (MIN (MEM_ALIGN (src), MEM_ALIGN (dest)), BITS_PER_WORD); -+ factor = BITS_PER_WORD / align; -+ -+ if (INTVAL (length) <= RISCV_MAX_MOVE_BYTES_STRAIGHT / factor) -+ { -+ riscv_block_move_straight (dest, src, INTVAL (length)); -+ return true; -+ } -+ else if (optimize && align >= BITS_PER_WORD) -+ { -+ riscv_block_move_loop (dest, src, INTVAL (length), -+ RISCV_MAX_MOVE_BYTES_PER_LOOP_ITER / factor); -+ return true; -+ } -+ } -+ return false; -+} -+ -+/* (Re-)Initialize riscv_lo_relocs and riscv_hi_relocs. */ -+ -+static void -+riscv_init_relocs (void) -+{ -+ memset (riscv_hi_relocs, '\0', sizeof (riscv_hi_relocs)); -+ memset (riscv_lo_relocs, '\0', sizeof (riscv_lo_relocs)); -+ -+ if (!flag_pic) -+ { -+ riscv_hi_relocs[SYMBOL_ABSOLUTE] = "%hi("; -+ riscv_lo_relocs[SYMBOL_ABSOLUTE] = "%lo("; -+ } -+ -+ if (!flag_pic || flag_pie) -+ { -+ riscv_hi_relocs[SYMBOL_TLS_LE] = "%tprel_hi("; -+ riscv_lo_relocs[SYMBOL_TLS_LE] = "%tprel_lo("; -+ } -+} -+ -+/* Print symbolic operand OP, which is part of a HIGH or LO_SUM -+ in context CONTEXT. RELOCS is the array of relocations to use. */ -+ -+static void -+riscv_print_operand_reloc (FILE *file, rtx op, const char **relocs) -+{ -+ enum riscv_symbol_type symbol_type; -+ const char *p; -+ -+ symbol_type = riscv_classify_symbolic_expression (op); -+ gcc_assert (relocs[symbol_type]); -+ -+ fputs (relocs[symbol_type], file); -+ output_addr_const (file, riscv_strip_unspec_address (op)); -+ for (p = relocs[symbol_type]; *p != 0; p++) -+ if (*p == '(') -+ fputc (')', file); -+} -+ -+static const char * -+riscv_memory_model_suffix (enum memmodel model) -+{ -+ switch (model) -+ { -+ case MEMMODEL_ACQ_REL: -+ case MEMMODEL_SEQ_CST: -+ return ".sc"; -+ case MEMMODEL_ACQUIRE: -+ case MEMMODEL_CONSUME: -+ return ".aq"; -+ case MEMMODEL_RELEASE: -+ return ".rl"; -+ case MEMMODEL_RELAXED: -+ return ""; -+ default: gcc_unreachable(); -+ } -+} -+ -+/* Implement TARGET_PRINT_OPERAND. The RISCV-specific operand codes are: -+ -+ 'h' Print the high-part relocation associated with OP, after stripping -+ any outermost HIGH. -+ 'R' Print the low-part relocation associated with OP. -+ 'C' Print the integer branch condition for comparison OP. -+ 'A' Print the atomic operation suffix for memory model OP. -+ 'z' Print $0 if OP is zero, otherwise print OP normally. */ -+ -+static void -+riscv_print_operand (FILE *file, rtx op, int letter) -+{ -+ enum rtx_code code; -+ -+ gcc_assert (op); -+ code = GET_CODE (op); -+ -+ switch (letter) -+ { -+ case 'h': -+ if (code == HIGH) -+ op = XEXP (op, 0); -+ riscv_print_operand_reloc (file, op, riscv_hi_relocs); -+ break; -+ -+ case 'R': -+ riscv_print_operand_reloc (file, op, riscv_lo_relocs); -+ break; -+ -+ case 'C': -+ /* The RTL names match the instruction names. */ -+ fputs (GET_RTX_NAME (code), file); -+ break; -+ -+ case 'A': -+ fputs (riscv_memory_model_suffix ((enum memmodel)INTVAL (op)), file); -+ break; -+ -+ default: -+ switch (code) -+ { -+ case REG: -+ if (letter && letter != 'z') -+ output_operand_lossage ("invalid use of '%%%c'", letter); -+ fprintf (file, "%s", reg_names[REGNO (op)]); -+ break; -+ -+ case MEM: -+ if (letter == 'y') -+ fprintf (file, "%s", reg_names[REGNO(XEXP(op, 0))]); -+ else if (letter && letter != 'z') -+ output_operand_lossage ("invalid use of '%%%c'", letter); -+ else -+ output_address (XEXP (op, 0)); -+ break; -+ -+ default: -+ if (letter == 'z' && op == CONST0_RTX (GET_MODE (op))) -+ fputs (reg_names[GP_REG_FIRST], file); -+ else if (letter && letter != 'z') -+ output_operand_lossage ("invalid use of '%%%c'", letter); -+ else -+ output_addr_const (file, riscv_strip_unspec_address (op)); -+ break; -+ } -+ } -+} -+ -+/* Implement TARGET_PRINT_OPERAND_ADDRESS. */ -+ -+static void -+riscv_print_operand_address (FILE *file, rtx x) -+{ -+ struct riscv_address_info addr; -+ -+ if (riscv_classify_address (&addr, x, word_mode, true)) -+ switch (addr.type) -+ { -+ case ADDRESS_REG: -+ riscv_print_operand (file, addr.offset, 0); -+ fprintf (file, "(%s)", reg_names[REGNO (addr.reg)]); -+ return; -+ -+ case ADDRESS_LO_SUM: -+ riscv_print_operand_reloc (file, addr.offset, riscv_lo_relocs); -+ fprintf (file, "(%s)", reg_names[REGNO (addr.reg)]); -+ return; -+ -+ case ADDRESS_CONST_INT: -+ output_addr_const (file, x); -+ fprintf (file, "(%s)", reg_names[GP_REG_FIRST]); -+ return; -+ -+ case ADDRESS_SYMBOLIC: -+ output_addr_const (file, riscv_strip_unspec_address (x)); -+ return; -+ } -+ gcc_unreachable (); -+} -+ -+static bool -+riscv_size_ok_for_small_data_p (int size) -+{ -+ return g_switch_value && IN_RANGE (size, 1, g_switch_value); -+} -+ -+/* Return true if EXP should be placed in the small data section. */ -+ -+static bool -+riscv_in_small_data_p (const_tree x) -+{ -+ if (TREE_CODE (x) == STRING_CST || TREE_CODE (x) == FUNCTION_DECL) -+ return false; -+ -+ if (TREE_CODE (x) == VAR_DECL && DECL_SECTION_NAME (x)) -+ { -+ const char *sec = TREE_STRING_POINTER (DECL_SECTION_NAME (x)); -+ return strcmp (sec, ".sdata") == 0 || strcmp (sec, ".sbss") == 0; -+ } -+ -+ return riscv_size_ok_for_small_data_p (int_size_in_bytes (TREE_TYPE (x))); -+} -+ -+/* Return a section for X, handling small data. */ -+ -+static section * -+riscv_elf_select_rtx_section (enum machine_mode mode, rtx x, -+ unsigned HOST_WIDE_INT align) -+{ -+ section *s = default_elf_select_rtx_section (mode, x, align); -+ -+ if (riscv_size_ok_for_small_data_p (GET_MODE_SIZE (mode))) -+ { -+ if (strncmp (s->named.name, ".rodata.cst", strlen (".rodata.cst")) == 0) -+ { -+ /* Rename .rodata.cst* to .srodata.cst*. */ -+ char name[32]; -+ sprintf (name, ".s%s", s->named.name + 1); -+ return get_section (name, s->named.common.flags, NULL); -+ } -+ -+ if (s == data_section) -+ return sdata_section; -+ } -+ -+ return s; -+} -+ -+/* Implement TARGET_ASM_OUTPUT_DWARF_DTPREL. */ -+ -+static void ATTRIBUTE_UNUSED -+riscv_output_dwarf_dtprel (FILE *file, int size, rtx x) -+{ -+ switch (size) -+ { -+ case 4: -+ fputs ("\t.dtprelword\t", file); -+ break; -+ -+ case 8: -+ fputs ("\t.dtpreldword\t", file); -+ break; -+ -+ default: -+ gcc_unreachable (); -+ } -+ output_addr_const (file, x); -+ fputs ("+0x800", file); -+} -+ -+/* Make the last instruction frame-related and note that it performs -+ the operation described by FRAME_PATTERN. */ -+ -+static void -+riscv_set_frame_expr (rtx frame_pattern) -+{ -+ rtx insn; -+ -+ insn = get_last_insn (); -+ RTX_FRAME_RELATED_P (insn) = 1; -+ REG_NOTES (insn) = alloc_EXPR_LIST (REG_FRAME_RELATED_EXPR, -+ frame_pattern, -+ REG_NOTES (insn)); -+} -+ -+/* Return a frame-related rtx that stores REG at MEM. -+ REG must be a single register. */ -+ -+static rtx -+riscv_frame_set (rtx mem, rtx reg) -+{ -+ rtx set; -+ -+ set = gen_rtx_SET (VOIDmode, mem, reg); -+ RTX_FRAME_RELATED_P (set) = 1; -+ -+ return set; -+} -+ -+/* Return true if the current function must save register REGNO. */ -+ -+static bool -+riscv_save_reg_p (unsigned int regno) -+{ -+ bool call_saved = !global_regs[regno] && !call_really_used_regs[regno]; -+ bool might_clobber = crtl->saves_all_registers -+ || df_regs_ever_live_p (regno) -+ || (regno == HARD_FRAME_POINTER_REGNUM -+ && frame_pointer_needed); -+ -+ return (call_saved && might_clobber) -+ || (regno == RETURN_ADDR_REGNUM && crtl->calls_eh_return); -+} -+ -+/* Populate the current function's riscv_frame_info structure. -+ -+ RISC-V stack frames grown downward. High addresses are at the top. -+ -+ +-------------------------------+ -+ | | -+ | incoming stack arguments | -+ | | -+ +-------------------------------+ <-- incoming stack pointer -+ | | -+ | callee-allocated save area | -+ | for arguments that are | -+ | split between registers and | -+ | the stack | -+ | | -+ +-------------------------------+ <-- arg_pointer_rtx -+ | | -+ | callee-allocated save area | -+ | for register varargs | -+ | | -+ +-------------------------------+ <-- hard_frame_pointer_rtx; -+ | | stack_pointer_rtx + gp_sp_offset -+ | GPR save area | + UNITS_PER_WORD -+ | | -+ +-------------------------------+ <-- stack_pointer_rtx + fp_sp_offset -+ | | + UNITS_PER_HWVALUE -+ | FPR save area | -+ | | -+ +-------------------------------+ <-- frame_pointer_rtx (virtual) -+ | | -+ | local variables | -+ | | -+ P +-------------------------------+ -+ | | -+ | outgoing stack arguments | -+ | | -+ +-------------------------------+ <-- stack_pointer_rtx -+ -+ Dynamic stack allocations such as alloca insert data at point P. -+ They decrease stack_pointer_rtx but leave frame_pointer_rtx and -+ hard_frame_pointer_rtx unchanged. */ -+ -+static void -+riscv_compute_frame_info (void) -+{ -+ struct riscv_frame_info *frame; -+ HOST_WIDE_INT offset; -+ unsigned int regno, i; -+ -+ frame = &cfun->machine->frame; -+ memset (frame, 0, sizeof (*frame)); -+ -+ /* Find out which GPRs we need to save. */ -+ for (regno = GP_REG_FIRST; regno <= GP_REG_LAST; regno++) -+ if (riscv_save_reg_p (regno)) -+ frame->mask |= 1 << (regno - GP_REG_FIRST); -+ -+ /* If this function calls eh_return, we must also save and restore the -+ EH data registers. */ -+ if (crtl->calls_eh_return) -+ for (i = 0; EH_RETURN_DATA_REGNO (i) != INVALID_REGNUM; i++) -+ frame->mask |= 1 << (EH_RETURN_DATA_REGNO (i) - GP_REG_FIRST); -+ -+ /* Find out which FPRs we need to save. This loop must iterate over -+ the same space as its companion in riscv_for_each_saved_gpr_and_fpr. */ -+ if (TARGET_HARD_FLOAT) -+ for (regno = FP_REG_FIRST; regno <= FP_REG_LAST; regno++) -+ if (riscv_save_reg_p (regno)) -+ frame->fmask |= 1 << (regno - FP_REG_FIRST); -+ -+ /* At the bottom of the frame are any outgoing stack arguments. */ -+ offset = crtl->outgoing_args_size; -+ /* Next are local stack variables. */ -+ offset += RISCV_STACK_ALIGN (get_frame_size ()); -+ /* The virtual frame pointer points above the local variables. */ -+ frame->frame_pointer_offset = offset; -+ /* Next are the callee-saved FPRs. */ -+ if (frame->fmask) -+ { -+ unsigned num_saved = __builtin_popcount(frame->fmask); -+ offset += RISCV_STACK_ALIGN (num_saved * UNITS_PER_FPREG); -+ frame->fp_sp_offset = offset - UNITS_PER_HWFPVALUE; -+ } -+ /* Next are the callee-saved GPRs. */ -+ if (frame->mask) -+ { -+ unsigned num_saved = __builtin_popcount(frame->mask); -+ offset += RISCV_STACK_ALIGN (num_saved * UNITS_PER_WORD); -+ frame->gp_sp_offset = offset - UNITS_PER_WORD; -+ } -+ /* The hard frame pointer points above the callee-saved GPRs. */ -+ frame->hard_frame_pointer_offset = offset; -+ /* Above the hard frame pointer is the callee-allocated varags save area. */ -+ offset += RISCV_STACK_ALIGN (cfun->machine->varargs_size); -+ frame->arg_pointer_offset = offset; -+ /* Next is the callee-allocated area for pretend stack arguments. */ -+ offset += crtl->args.pretend_args_size; -+ frame->total_size = offset; -+ /* Next points the incoming stack pointer and any incoming arguments. */ -+} -+ -+/* Make sure that we're not trying to eliminate to the wrong hard frame -+ pointer. */ -+ -+static bool -+riscv_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) -+{ -+ return (to == HARD_FRAME_POINTER_REGNUM || to == STACK_POINTER_REGNUM); -+} -+ -+/* Implement INITIAL_ELIMINATION_OFFSET. FROM is either the frame pointer -+ or argument pointer. TO is either the stack pointer or hard frame -+ pointer. */ -+ -+HOST_WIDE_INT -+riscv_initial_elimination_offset (int from, int to) -+{ -+ HOST_WIDE_INT src, dest; -+ -+ riscv_compute_frame_info (); -+ -+ if (to == HARD_FRAME_POINTER_REGNUM) -+ dest = cfun->machine->frame.hard_frame_pointer_offset; -+ else if (to == STACK_POINTER_REGNUM) -+ dest = 0; /* this is the base of all offsets */ -+ else -+ gcc_unreachable (); -+ -+ if (from == FRAME_POINTER_REGNUM) -+ src = cfun->machine->frame.frame_pointer_offset; -+ else if (from == ARG_POINTER_REGNUM) -+ src = cfun->machine->frame.arg_pointer_offset; -+ else -+ gcc_unreachable (); -+ -+ return src - dest; -+} -+ -+/* Implement RETURN_ADDR_RTX. We do not support moving back to a -+ previous frame. */ -+ -+rtx -+riscv_return_addr (int count, rtx frame ATTRIBUTE_UNUSED) -+{ -+ if (count != 0) -+ return const0_rtx; -+ -+ return get_hard_reg_initial_val (Pmode, RETURN_ADDR_REGNUM); -+} -+ -+/* Emit code to change the current function's return address to -+ ADDRESS. SCRATCH is available as a scratch register, if needed. -+ ADDRESS and SCRATCH are both word-mode GPRs. */ -+ -+void -+riscv_set_return_address (rtx address, rtx scratch) -+{ -+ rtx slot_address; -+ -+ gcc_assert (BITSET_P (cfun->machine->frame.mask, RETURN_ADDR_REGNUM)); -+ slot_address = riscv_add_offset (scratch, stack_pointer_rtx, -+ cfun->machine->frame.gp_sp_offset); -+ riscv_emit_move (gen_frame_mem (GET_MODE (address), slot_address), address); -+} -+ -+/* A function to save or store a register. The first argument is the -+ register and the second is the stack slot. */ -+typedef void (*riscv_save_restore_fn) (rtx, rtx); -+ -+/* Use FN to save or restore register REGNO. MODE is the register's -+ mode and OFFSET is the offset of its save slot from the current -+ stack pointer. */ -+ -+static void -+riscv_save_restore_reg (enum machine_mode mode, int regno, -+ HOST_WIDE_INT offset, riscv_save_restore_fn fn) -+{ -+ rtx mem; -+ -+ mem = gen_frame_mem (mode, plus_constant (Pmode, stack_pointer_rtx, offset)); -+ fn (gen_rtx_REG (mode, regno), mem); -+} -+ -+/* Call FN for each register that is saved by the current function. -+ SP_OFFSET is the offset of the current stack pointer from the start -+ of the frame. */ -+ -+static void -+riscv_for_each_saved_gpr_and_fpr (HOST_WIDE_INT sp_offset, -+ riscv_save_restore_fn fn) -+{ -+ HOST_WIDE_INT offset; -+ int regno; -+ -+ /* Save the link register and s-registers. */ -+ offset = cfun->machine->frame.gp_sp_offset - sp_offset; -+ for (regno = GP_REG_FIRST; regno <= GP_REG_LAST-1; regno++) -+ if (BITSET_P (cfun->machine->frame.mask, regno - GP_REG_FIRST)) -+ { -+ riscv_save_restore_reg (word_mode, regno, offset, fn); -+ offset -= UNITS_PER_WORD; -+ } -+ -+ /* This loop must iterate over the same space as its companion in -+ riscv_compute_frame_info. */ -+ offset = cfun->machine->frame.fp_sp_offset - sp_offset; -+ for (regno = FP_REG_FIRST; regno <= FP_REG_LAST; regno++) -+ if (BITSET_P (cfun->machine->frame.fmask, regno - FP_REG_FIRST)) -+ { -+ riscv_save_restore_reg (DFmode, regno, offset, fn); -+ offset -= GET_MODE_SIZE (DFmode); -+ } -+} -+ -+/* Emit a move from SRC to DEST, given that one of them is a register -+ save slot and that the other is a register. TEMP is a temporary -+ GPR of the same mode that is available if need be. */ -+ -+static void -+riscv_emit_save_slot_move (rtx dest, rtx src, rtx temp) -+{ -+ unsigned int regno; -+ rtx mem; -+ enum reg_class rclass; -+ -+ if (REG_P (src)) -+ { -+ regno = REGNO (src); -+ mem = dest; -+ } -+ else -+ { -+ regno = REGNO (dest); -+ mem = src; -+ } -+ -+ rclass = riscv_secondary_reload_class (REGNO_REG_CLASS (regno), -+ GET_MODE (mem), mem, mem == src); -+ -+ if (rclass == NO_REGS) -+ riscv_emit_move (dest, src); -+ else -+ { -+ gcc_assert (!reg_overlap_mentioned_p (dest, temp)); -+ riscv_emit_move (temp, src); -+ riscv_emit_move (dest, temp); -+ } -+ if (MEM_P (dest)) -+ riscv_set_frame_expr (riscv_frame_set (dest, src)); -+} -+ -+/* Save register REG to MEM. Make the instruction frame-related. */ -+ -+static void -+riscv_save_reg (rtx reg, rtx mem) -+{ -+ riscv_emit_save_slot_move (mem, reg, RISCV_PROLOGUE_TEMP (GET_MODE (reg))); -+} -+ -+ -+/* Expand the "prologue" pattern. */ -+ -+void -+riscv_expand_prologue (void) -+{ -+ const struct riscv_frame_info *frame; -+ HOST_WIDE_INT size; -+ rtx insn; -+ -+ frame = &cfun->machine->frame; -+ size = frame->total_size; -+ -+ if (flag_stack_usage_info) -+ current_function_static_stack_size = size; -+ -+ /* Save the registers. Allocate up to RISCV_MAX_FIRST_STACK_STEP -+ bytes beforehand; this is enough to cover the register save area -+ without going out of range. */ -+ if ((frame->mask | frame->fmask) != 0) -+ { -+ HOST_WIDE_INT step1; -+ -+ step1 = MIN (size, RISCV_MAX_FIRST_STACK_STEP); -+ insn = gen_add3_insn (stack_pointer_rtx, -+ stack_pointer_rtx, -+ GEN_INT (-step1)); -+ RTX_FRAME_RELATED_P (emit_insn (insn)) = 1; -+ size -= step1; -+ riscv_for_each_saved_gpr_and_fpr (size, riscv_save_reg); -+ } -+ -+ /* Set up the frame pointer, if we're using one. */ -+ if (frame_pointer_needed) -+ { -+ insn = gen_add3_insn (hard_frame_pointer_rtx, stack_pointer_rtx, -+ GEN_INT (frame->hard_frame_pointer_offset - size)); -+ RTX_FRAME_RELATED_P (emit_insn (insn)) = 1; -+ } -+ -+ /* Allocate the rest of the frame. */ -+ if (size > 0) -+ { -+ if (SMALL_OPERAND (-size)) -+ RTX_FRAME_RELATED_P (emit_insn (gen_add3_insn (stack_pointer_rtx, -+ stack_pointer_rtx, -+ GEN_INT (-size)))) = 1; -+ else -+ { -+ riscv_emit_move (RISCV_PROLOGUE_TEMP (Pmode), GEN_INT (size)); -+ emit_insn (gen_sub3_insn (stack_pointer_rtx, -+ stack_pointer_rtx, -+ RISCV_PROLOGUE_TEMP (Pmode))); -+ -+ /* Describe the combined effect of the previous instructions. */ -+ riscv_set_frame_expr -+ (gen_rtx_SET (VOIDmode, stack_pointer_rtx, -+ plus_constant (Pmode, stack_pointer_rtx, -size))); -+ } -+ } -+} -+ -+/* Emit instructions to restore register REG from slot MEM. */ -+ -+static void -+riscv_restore_reg (rtx reg, rtx mem) -+{ -+ riscv_emit_save_slot_move (reg, mem, RISCV_EPILOGUE_TEMP (GET_MODE (reg))); -+} -+ -+/* Expand an "epilogue" or "sibcall_epilogue" pattern; SIBCALL_P -+ says which. */ -+ -+void -+riscv_expand_epilogue (bool sibcall_p) -+{ -+ const struct riscv_frame_info *frame; -+ HOST_WIDE_INT step1, step2; -+ -+ if (!sibcall_p && riscv_can_use_return_insn ()) -+ { -+ emit_jump_insn (gen_return ()); -+ return; -+ } -+ -+ /* Split the frame into two. STEP1 is the amount of stack we should -+ deallocate before restoring the registers. STEP2 is the amount we -+ should deallocate afterwards. -+ -+ Start off by assuming that no registers need to be restored. */ -+ frame = &cfun->machine->frame; -+ step1 = frame->total_size; -+ step2 = 0; -+ -+ /* Move past any dynamic stack allocations. */ -+ if (cfun->calls_alloca) -+ { -+ rtx adjust = GEN_INT (-frame->hard_frame_pointer_offset); -+ if (!SMALL_INT (adjust)) -+ { -+ riscv_emit_move (RISCV_EPILOGUE_TEMP (Pmode), adjust); -+ adjust = RISCV_EPILOGUE_TEMP (Pmode); -+ } -+ -+ emit_insn (gen_add3_insn (stack_pointer_rtx, hard_frame_pointer_rtx, adjust)); -+ } -+ -+ /* If we need to restore registers, deallocate as much stack as -+ possible in the second step without going out of range. */ -+ if ((frame->mask | frame->fmask) != 0) -+ { -+ step2 = MIN (step1, RISCV_MAX_FIRST_STACK_STEP); -+ step1 -= step2; -+ } -+ -+ /* Set TARGET to BASE + STEP1. */ -+ if (step1 > 0) -+ { -+ /* Get an rtx for STEP1 that we can add to BASE. */ -+ rtx adjust = GEN_INT (step1); -+ if (!SMALL_OPERAND (step1)) -+ { -+ riscv_emit_move (RISCV_EPILOGUE_TEMP (Pmode), adjust); -+ adjust = RISCV_EPILOGUE_TEMP (Pmode); -+ } -+ -+ emit_insn (gen_add3_insn (stack_pointer_rtx, stack_pointer_rtx, adjust)); -+ } -+ -+ /* Restore the registers. */ -+ riscv_for_each_saved_gpr_and_fpr (frame->total_size - step2, -+ riscv_restore_reg); -+ -+ /* Deallocate the final bit of the frame. */ -+ if (step2 > 0) -+ emit_insn (gen_add3_insn (stack_pointer_rtx, stack_pointer_rtx, -+ GEN_INT (step2))); -+ -+ /* Add in the __builtin_eh_return stack adjustment. */ -+ if (crtl->calls_eh_return) -+ emit_insn (gen_add3_insn (stack_pointer_rtx, stack_pointer_rtx, -+ EH_RETURN_STACKADJ_RTX)); -+ -+ if (!sibcall_p) -+ { -+ rtx ra = gen_rtx_REG (Pmode, RETURN_ADDR_REGNUM); -+ emit_jump_insn (gen_simple_return_internal (ra)); -+ } -+} -+ -+/* Return nonzero if this function is known to have a null epilogue. -+ This allows the optimizer to omit jumps to jumps if no stack -+ was created. */ -+ -+bool -+riscv_can_use_return_insn (void) -+{ -+ return reload_completed && cfun->machine->frame.total_size == 0; -+} -+ -+/* Return true if register REGNO can store a value of mode MODE. -+ The result of this function is cached in riscv_hard_regno_mode_ok. */ -+ -+static bool -+riscv_hard_regno_mode_ok_p (unsigned int regno, enum machine_mode mode) -+{ -+ unsigned int size = GET_MODE_SIZE (mode); -+ enum mode_class mclass = GET_MODE_CLASS (mode); -+ -+ /* This is hella bogus but ira_build segfaults on RV32 without it. */ -+ if (VECTOR_MODE_P (mode)) -+ return true; -+ -+ if (GP_REG_P (regno)) -+ { -+ if (size <= UNITS_PER_WORD) -+ return true; -+ -+ /* Double-word values must be even-register-aligned. */ -+ if (size <= 2 * UNITS_PER_WORD) -+ return regno % 2 == 0; -+ } -+ -+ if (FP_REG_P (regno)) -+ { -+ if (mclass == MODE_FLOAT -+ || mclass == MODE_COMPLEX_FLOAT -+ || mclass == MODE_VECTOR_FLOAT) -+ return size <= UNITS_PER_FPVALUE; -+ } -+ -+ return false; -+} -+ -+/* Implement HARD_REGNO_NREGS. */ -+ -+unsigned int -+riscv_hard_regno_nregs (int regno, enum machine_mode mode) -+{ -+ if (FP_REG_P (regno)) -+ return (GET_MODE_SIZE (mode) + UNITS_PER_FPREG - 1) / UNITS_PER_FPREG; -+ -+ /* All other registers are word-sized. */ -+ return (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD; -+} -+ -+/* Implement CLASS_MAX_NREGS, taking the maximum of the cases -+ in riscv_hard_regno_nregs. */ -+ -+int -+riscv_class_max_nregs (enum reg_class rclass, enum machine_mode mode) -+{ -+ int size; -+ HARD_REG_SET left; -+ -+ size = 0x8000; -+ COPY_HARD_REG_SET (left, reg_class_contents[(int) rclass]); -+ if (hard_reg_set_intersect_p (left, reg_class_contents[(int) FP_REGS])) -+ { -+ size = MIN (size, UNITS_PER_FPREG); -+ AND_COMPL_HARD_REG_SET (left, reg_class_contents[(int) FP_REGS]); -+ } -+ if (!hard_reg_set_empty_p (left)) -+ size = MIN (size, UNITS_PER_WORD); -+ return (GET_MODE_SIZE (mode) + size - 1) / size; -+} -+ -+/* Implement TARGET_PREFERRED_RELOAD_CLASS. */ -+ -+static reg_class_t -+riscv_preferred_reload_class (rtx x ATTRIBUTE_UNUSED, reg_class_t rclass) -+{ -+ return reg_class_subset_p (FP_REGS, rclass) ? FP_REGS : -+ reg_class_subset_p (GR_REGS, rclass) ? GR_REGS : -+ rclass; -+} -+ -+/* RCLASS is a class involved in a REGISTER_MOVE_COST calculation. -+ Return a "canonical" class to represent it in later calculations. */ -+ -+static reg_class_t -+riscv_canonicalize_move_class (reg_class_t rclass) -+{ -+ if (reg_class_subset_p (rclass, GENERAL_REGS)) -+ rclass = GENERAL_REGS; -+ -+ return rclass; -+} -+ -+/* Implement TARGET_REGISTER_MOVE_COST. Return 0 for classes that are the -+ maximum of the move costs for subclasses; regclass will work out -+ the maximum for us. */ -+ -+static int -+riscv_register_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED, -+ reg_class_t from, reg_class_t to) -+{ -+ from = riscv_canonicalize_move_class (from); -+ to = riscv_canonicalize_move_class (to); -+ -+ if ((from == GENERAL_REGS && to == GENERAL_REGS) -+ || (from == GENERAL_REGS && to == FP_REGS) -+ || (from == FP_REGS && to == FP_REGS)) -+ return COSTS_N_INSNS (1); -+ -+ if (from == FP_REGS && to == GENERAL_REGS) -+ return tune_info->fp_to_int_cost; -+ -+ return 0; -+} -+ -+/* Implement TARGET_MEMORY_MOVE_COST. */ -+ -+static int -+riscv_memory_move_cost (enum machine_mode mode, reg_class_t rclass, bool in) -+{ -+ return (tune_info->memory_cost -+ + memory_move_secondary_cost (mode, rclass, in)); -+} -+ -+/* Return the register class required for a secondary register when -+ copying between one of the registers in RCLASS and value X, which -+ has mode MODE. X is the source of the move if IN_P, otherwise it -+ is the destination. Return NO_REGS if no secondary register is -+ needed. */ -+ -+enum reg_class -+riscv_secondary_reload_class (enum reg_class rclass, -+ enum machine_mode mode, rtx x, -+ bool in_p ATTRIBUTE_UNUSED) -+{ -+ int regno; -+ -+ regno = true_regnum (x); -+ -+ if (reg_class_subset_p (rclass, FP_REGS)) -+ { -+ if (MEM_P (x) && (GET_MODE_SIZE (mode) == 4 || GET_MODE_SIZE (mode) == 8)) -+ /* We can use flw/fld/fsw/fsd. */ -+ return NO_REGS; -+ -+ if (GP_REG_P (regno) || x == CONST0_RTX (mode)) -+ /* We can use fmv or go through memory when mode > Pmode. */ -+ return NO_REGS; -+ -+ if (CONSTANT_P (x) && !targetm.cannot_force_const_mem (mode, x)) -+ /* We can force the constant to memory and use flw/fld. */ -+ return NO_REGS; -+ -+ if (FP_REG_P (regno)) -+ /* We can use fmv.fmt. */ -+ return NO_REGS; -+ -+ /* Otherwise, we need to reload through an integer register. */ -+ return GR_REGS; -+ } -+ if (FP_REG_P (regno)) -+ return reg_class_subset_p (rclass, GR_REGS) ? NO_REGS : GR_REGS; -+ -+ return NO_REGS; -+} -+ -+/* Implement TARGET_MODE_REP_EXTENDED. */ -+ -+static int -+riscv_mode_rep_extended (enum machine_mode mode, enum machine_mode mode_rep) -+{ -+ /* On 64-bit targets, SImode register values are sign-extended to DImode. */ -+ if (TARGET_64BIT && mode == SImode && mode_rep == DImode) -+ return SIGN_EXTEND; -+ -+ return UNKNOWN; -+} -+ -+/* Implement TARGET_SCALAR_MODE_SUPPORTED_P. */ -+ -+static bool -+riscv_scalar_mode_supported_p (enum machine_mode mode) -+{ -+ if (ALL_FIXED_POINT_MODE_P (mode) -+ && GET_MODE_PRECISION (mode) <= 2 * BITS_PER_WORD) -+ return true; -+ -+ return default_scalar_mode_supported_p (mode); -+} -+ -+/* Implement TARGET_SCHED_ADJUST_COST. We assume that anti and output -+ dependencies have no cost. */ -+ -+static int -+riscv_adjust_cost (rtx insn ATTRIBUTE_UNUSED, rtx link, -+ rtx dep ATTRIBUTE_UNUSED, int cost) -+{ -+ if (REG_NOTE_KIND (link) != 0) -+ return 0; -+ return cost; -+} -+ -+/* Return the number of instructions that can be issued per cycle. */ -+ -+static int -+riscv_issue_rate (void) -+{ -+ return tune_info->issue_rate; -+} -+ -+/* This structure describes a single built-in function. */ -+struct riscv_builtin_description { -+ /* The code of the main .md file instruction. See riscv_builtin_type -+ for more information. */ -+ enum insn_code icode; -+ -+ /* The name of the built-in function. */ -+ const char *name; -+ -+ /* Specifies how the function should be expanded. */ -+ enum riscv_builtin_type builtin_type; -+ -+ /* The function's prototype. */ -+ enum riscv_function_type function_type; -+ -+ /* Whether the function is available. */ -+ unsigned int (*avail) (void); -+}; -+ -+static unsigned int -+riscv_builtin_avail_riscv (void) -+{ -+ return 1; -+} -+ -+/* Construct a riscv_builtin_description from the given arguments. -+ -+ INSN is the name of the associated instruction pattern, without the -+ leading CODE_FOR_riscv_. -+ -+ CODE is the floating-point condition code associated with the -+ function. It can be 'f' if the field is not applicable. -+ -+ NAME is the name of the function itself, without the leading -+ "__builtin_riscv_". -+ -+ BUILTIN_TYPE and FUNCTION_TYPE are riscv_builtin_description fields. -+ -+ AVAIL is the name of the availability predicate, without the leading -+ riscv_builtin_avail_. */ -+#define RISCV_BUILTIN(INSN, NAME, BUILTIN_TYPE, FUNCTION_TYPE, AVAIL) \ -+ { CODE_FOR_ ## INSN, "__builtin_riscv_" NAME, \ -+ BUILTIN_TYPE, FUNCTION_TYPE, riscv_builtin_avail_ ## AVAIL } -+ -+/* Define __builtin_riscv_<INSN>, which is a RISCV_BUILTIN_DIRECT function -+ mapped to instruction CODE_FOR_<INSN>, FUNCTION_TYPE and AVAIL -+ are as for RISCV_BUILTIN. */ -+#define DIRECT_BUILTIN(INSN, FUNCTION_TYPE, AVAIL) \ -+ RISCV_BUILTIN (INSN, #INSN, RISCV_BUILTIN_DIRECT, FUNCTION_TYPE, AVAIL) -+ -+/* Define __builtin_riscv_<INSN>, which is a RISCV_BUILTIN_DIRECT_NO_TARGET -+ function mapped to instruction CODE_FOR_<INSN>, FUNCTION_TYPE -+ and AVAIL are as for RISCV_BUILTIN. */ -+#define DIRECT_NO_TARGET_BUILTIN(INSN, FUNCTION_TYPE, AVAIL) \ -+ RISCV_BUILTIN (INSN, #INSN, RISCV_BUILTIN_DIRECT_NO_TARGET, \ -+ FUNCTION_TYPE, AVAIL) -+ -+static const struct riscv_builtin_description riscv_builtins[] = { -+ DIRECT_NO_TARGET_BUILTIN (nop, RISCV_VOID_FTYPE_VOID, riscv), -+}; -+ -+/* Index I is the function declaration for riscv_builtins[I], or null if the -+ function isn't defined on this target. */ -+static GTY(()) tree riscv_builtin_decls[ARRAY_SIZE (riscv_builtins)]; -+ -+ -+/* Source-level argument types. */ -+#define RISCV_ATYPE_VOID void_type_node -+#define RISCV_ATYPE_INT integer_type_node -+#define RISCV_ATYPE_POINTER ptr_type_node -+#define RISCV_ATYPE_CPOINTER const_ptr_type_node -+ -+/* Standard mode-based argument types. */ -+#define RISCV_ATYPE_UQI unsigned_intQI_type_node -+#define RISCV_ATYPE_SI intSI_type_node -+#define RISCV_ATYPE_USI unsigned_intSI_type_node -+#define RISCV_ATYPE_DI intDI_type_node -+#define RISCV_ATYPE_UDI unsigned_intDI_type_node -+#define RISCV_ATYPE_SF float_type_node -+#define RISCV_ATYPE_DF double_type_node -+ -+/* RISCV_FTYPE_ATYPESN takes N RISCV_FTYPES-like type codes and lists -+ their associated RISCV_ATYPEs. */ -+#define RISCV_FTYPE_ATYPES1(A, B) \ -+ RISCV_ATYPE_##A, RISCV_ATYPE_##B -+ -+#define RISCV_FTYPE_ATYPES2(A, B, C) \ -+ RISCV_ATYPE_##A, RISCV_ATYPE_##B, RISCV_ATYPE_##C -+ -+#define RISCV_FTYPE_ATYPES3(A, B, C, D) \ -+ RISCV_ATYPE_##A, RISCV_ATYPE_##B, RISCV_ATYPE_##C, RISCV_ATYPE_##D -+ -+#define RISCV_FTYPE_ATYPES4(A, B, C, D, E) \ -+ RISCV_ATYPE_##A, RISCV_ATYPE_##B, RISCV_ATYPE_##C, RISCV_ATYPE_##D, \ -+ RISCV_ATYPE_##E -+ -+/* Return the function type associated with function prototype TYPE. */ -+ -+static tree -+riscv_build_function_type (enum riscv_function_type type) -+{ -+ static tree types[(int) RISCV_MAX_FTYPE_MAX]; -+ -+ if (types[(int) type] == NULL_TREE) -+ switch (type) -+ { -+#define DEF_RISCV_FTYPE(NUM, ARGS) \ -+ case RISCV_FTYPE_NAME##NUM ARGS: \ -+ types[(int) type] \ -+ = build_function_type_list (RISCV_FTYPE_ATYPES##NUM ARGS, \ -+ NULL_TREE); \ -+ break; -+#include "config/riscv/riscv-ftypes.def" -+#undef DEF_RISCV_FTYPE -+ default: -+ gcc_unreachable (); -+ } -+ -+ return types[(int) type]; -+} -+ -+/* Implement TARGET_INIT_BUILTINS. */ -+ -+static void -+riscv_init_builtins (void) -+{ -+ const struct riscv_builtin_description *d; -+ unsigned int i; -+ -+ /* Iterate through all of the bdesc arrays, initializing all of the -+ builtin functions. */ -+ for (i = 0; i < ARRAY_SIZE (riscv_builtins); i++) -+ { -+ d = &riscv_builtins[i]; -+ if (d->avail ()) -+ riscv_builtin_decls[i] -+ = add_builtin_function (d->name, -+ riscv_build_function_type (d->function_type), -+ i, BUILT_IN_MD, NULL, NULL); -+ } -+} -+ -+/* Implement TARGET_BUILTIN_DECL. */ -+ -+static tree -+riscv_builtin_decl (unsigned int code, bool initialize_p ATTRIBUTE_UNUSED) -+{ -+ if (code >= ARRAY_SIZE (riscv_builtins)) -+ return error_mark_node; -+ return riscv_builtin_decls[code]; -+} -+ -+/* Take argument ARGNO from EXP's argument list and convert it into a -+ form suitable for input operand OPNO of instruction ICODE. Return the -+ value. */ -+ -+static rtx -+riscv_prepare_builtin_arg (enum insn_code icode, -+ unsigned int opno, tree exp, unsigned int argno) -+{ -+ tree arg; -+ rtx value; -+ enum machine_mode mode; -+ -+ arg = CALL_EXPR_ARG (exp, argno); -+ value = expand_normal (arg); -+ mode = insn_data[icode].operand[opno].mode; -+ if (!insn_data[icode].operand[opno].predicate (value, mode)) -+ { -+ /* We need to get the mode from ARG for two reasons: -+ -+ - to cope with address operands, where MODE is the mode of the -+ memory, rather than of VALUE itself. -+ -+ - to cope with special predicates like pmode_register_operand, -+ where MODE is VOIDmode. */ -+ value = copy_to_mode_reg (TYPE_MODE (TREE_TYPE (arg)), value); -+ -+ /* Check the predicate again. */ -+ if (!insn_data[icode].operand[opno].predicate (value, mode)) -+ { -+ error ("invalid argument to built-in function"); -+ return const0_rtx; -+ } -+ } -+ -+ return value; -+} -+ -+/* Return an rtx suitable for output operand OP of instruction ICODE. -+ If TARGET is non-null, try to use it where possible. */ -+ -+static rtx -+riscv_prepare_builtin_target (enum insn_code icode, unsigned int op, rtx target) -+{ -+ enum machine_mode mode; -+ -+ mode = insn_data[icode].operand[op].mode; -+ if (target == 0 || !insn_data[icode].operand[op].predicate (target, mode)) -+ target = gen_reg_rtx (mode); -+ -+ return target; -+} -+ -+/* Expand a RISCV_BUILTIN_DIRECT or RISCV_BUILTIN_DIRECT_NO_TARGET function; -+ HAS_TARGET_P says which. EXP is the CALL_EXPR that calls the function -+ and ICODE is the code of the associated .md pattern. TARGET, if nonnull, -+ suggests a good place to put the result. */ -+ -+static rtx -+riscv_expand_builtin_direct (enum insn_code icode, rtx target, tree exp, -+ bool has_target_p) -+{ -+ rtx ops[MAX_RECOG_OPERANDS]; -+ int opno, argno; -+ -+ /* Map any target to operand 0. */ -+ opno = 0; -+ if (has_target_p) -+ { -+ target = riscv_prepare_builtin_target (icode, opno, target); -+ ops[opno] = target; -+ opno++; -+ } -+ -+ /* Map the arguments to the other operands. The n_operands value -+ for an expander includes match_dups and match_scratches as well as -+ match_operands, so n_operands is only an upper bound on the number -+ of arguments to the expander function. */ -+ gcc_assert (opno + call_expr_nargs (exp) <= insn_data[icode].n_operands); -+ for (argno = 0; argno < call_expr_nargs (exp); argno++, opno++) -+ ops[opno] = riscv_prepare_builtin_arg (icode, opno, exp, argno); -+ -+ switch (opno) -+ { -+ case 2: -+ emit_insn (GEN_FCN (icode) (ops[0], ops[1])); -+ break; -+ -+ case 3: -+ emit_insn (GEN_FCN (icode) (ops[0], ops[1], ops[2])); -+ break; -+ -+ case 4: -+ emit_insn (GEN_FCN (icode) (ops[0], ops[1], ops[2], ops[3])); -+ break; -+ -+ default: -+ gcc_unreachable (); -+ } -+ return target; -+} -+ -+/* Implement TARGET_EXPAND_BUILTIN. */ -+ -+static rtx -+riscv_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, -+ enum machine_mode mode ATTRIBUTE_UNUSED, -+ int ignore ATTRIBUTE_UNUSED) -+{ -+ tree fndecl; -+ unsigned int fcode, avail; -+ const struct riscv_builtin_description *d; -+ -+ fndecl = TREE_OPERAND (CALL_EXPR_FN (exp), 0); -+ fcode = DECL_FUNCTION_CODE (fndecl); -+ gcc_assert (fcode < ARRAY_SIZE (riscv_builtins)); -+ d = &riscv_builtins[fcode]; -+ avail = d->avail (); -+ gcc_assert (avail != 0); -+ switch (d->builtin_type) -+ { -+ case RISCV_BUILTIN_DIRECT: -+ return riscv_expand_builtin_direct (d->icode, target, exp, true); -+ -+ case RISCV_BUILTIN_DIRECT_NO_TARGET: -+ return riscv_expand_builtin_direct (d->icode, target, exp, false); -+ } -+ gcc_unreachable (); -+} -+ -+/* Implement TARGET_ASM_OUTPUT_MI_THUNK. Generate rtl rather than asm text -+ in order to avoid duplicating too much logic from elsewhere. */ -+ -+static void -+riscv_output_mi_thunk (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED, -+ HOST_WIDE_INT delta, HOST_WIDE_INT vcall_offset, -+ tree function) -+{ -+ rtx this_rtx, temp1, temp2, insn, fnaddr; -+ bool use_sibcall_p; -+ -+ /* Pretend to be a post-reload pass while generating rtl. */ -+ reload_completed = 1; -+ -+ /* Mark the end of the (empty) prologue. */ -+ emit_note (NOTE_INSN_PROLOGUE_END); -+ -+ /* Determine if we can use a sibcall to call FUNCTION directly. */ -+ fnaddr = XEXP (DECL_RTL (function), 0); -+ use_sibcall_p = absolute_symbolic_operand (fnaddr, Pmode); -+ -+ /* We need two temporary registers in some cases. */ -+ temp1 = gen_rtx_REG (Pmode, GP_TEMP_FIRST); -+ temp2 = gen_rtx_REG (Pmode, GP_TEMP_FIRST + 1); -+ -+ /* Find out which register contains the "this" pointer. */ -+ if (aggregate_value_p (TREE_TYPE (TREE_TYPE (function)), function)) -+ this_rtx = gen_rtx_REG (Pmode, GP_ARG_FIRST + 1); -+ else -+ this_rtx = gen_rtx_REG (Pmode, GP_ARG_FIRST); -+ -+ /* Add DELTA to THIS_RTX. */ -+ if (delta != 0) -+ { -+ rtx offset = GEN_INT (delta); -+ if (!SMALL_OPERAND (delta)) -+ { -+ riscv_emit_move (temp1, offset); -+ offset = temp1; -+ } -+ emit_insn (gen_add3_insn (this_rtx, this_rtx, offset)); -+ } -+ -+ /* If needed, add *(*THIS_RTX + VCALL_OFFSET) to THIS_RTX. */ -+ if (vcall_offset != 0) -+ { -+ rtx addr; -+ -+ /* Set TEMP1 to *THIS_RTX. */ -+ riscv_emit_move (temp1, gen_rtx_MEM (Pmode, this_rtx)); -+ -+ /* Set ADDR to a legitimate address for *THIS_RTX + VCALL_OFFSET. */ -+ addr = riscv_add_offset (temp2, temp1, vcall_offset); -+ -+ /* Load the offset and add it to THIS_RTX. */ -+ riscv_emit_move (temp1, gen_rtx_MEM (Pmode, addr)); -+ emit_insn (gen_add3_insn (this_rtx, this_rtx, temp1)); -+ } -+ -+ /* Jump to the target function. Use a sibcall if direct jumps are -+ allowed, otherwise load the address into a register first. */ -+ if (use_sibcall_p) -+ { -+ insn = emit_call_insn (gen_sibcall_internal (fnaddr, const0_rtx)); -+ SIBLING_CALL_P (insn) = 1; -+ } -+ else -+ { -+ riscv_emit_move(temp1, fnaddr); -+ emit_jump_insn (gen_indirect_jump (temp1)); -+ } -+ -+ /* Run just enough of rest_of_compilation. This sequence was -+ "borrowed" from alpha.c. */ -+ insn = get_insns (); -+ split_all_insns_noflow (); -+ shorten_branches (insn); -+ final_start_function (insn, file, 1); -+ final (insn, file, 1); -+ final_end_function (); -+ -+ /* Clean up the vars set above. Note that final_end_function resets -+ the global pointer for us. */ -+ reload_completed = 0; -+} -+ -+/* Allocate a chunk of memory for per-function machine-dependent data. */ -+ -+static struct machine_function * -+riscv_init_machine_status (void) -+{ -+ return ggc_alloc_cleared_machine_function (); -+} -+ -+/* Implement TARGET_OPTION_OVERRIDE. */ -+ -+static void -+riscv_option_override (void) -+{ -+ int regno, mode; -+ const struct riscv_cpu_info *cpu; -+ -+#ifdef SUBTARGET_OVERRIDE_OPTIONS -+ SUBTARGET_OVERRIDE_OPTIONS; -+#endif -+ -+ flag_pcc_struct_return = 0; -+ -+ if (flag_pic) -+ g_switch_value = 0; -+ -+ /* Prefer a call to memcpy over inline code when optimizing for size, -+ though see MOVE_RATIO in riscv.h. */ -+ if (optimize_size && (target_flags_explicit & MASK_MEMCPY) == 0) -+ target_flags |= MASK_MEMCPY; -+ -+ /* Handle -mtune. */ -+ cpu = riscv_parse_cpu (riscv_tune_string ? riscv_tune_string : -+ RISCV_TUNE_STRING_DEFAULT); -+ tune_info = optimize_size ? &optimize_size_tune_info : cpu->tune_info; -+ -+ /* If the user hasn't specified a branch cost, use the processor's -+ default. */ -+ if (riscv_branch_cost == 0) -+ riscv_branch_cost = tune_info->branch_cost; -+ -+ /* Set up riscv_hard_regno_mode_ok. */ -+ for (mode = 0; mode < MAX_MACHINE_MODE; mode++) -+ for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) -+ riscv_hard_regno_mode_ok[mode][regno] -+ = riscv_hard_regno_mode_ok_p (regno, (enum machine_mode) mode); -+ -+ /* Function to allocate machine-dependent function status. */ -+ init_machine_status = &riscv_init_machine_status; -+ -+ riscv_init_relocs (); -+} -+ -+/* Implement TARGET_CONDITIONAL_REGISTER_USAGE. */ -+ -+static void -+riscv_conditional_register_usage (void) -+{ -+ int regno; -+ -+ if (!TARGET_HARD_FLOAT) -+ { -+ for (regno = FP_REG_FIRST; regno <= FP_REG_LAST; regno++) -+ fixed_regs[regno] = call_used_regs[regno] = 1; -+ } -+} -+ -+/* Implement TARGET_TRAMPOLINE_INIT. */ -+ -+static void -+riscv_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value) -+{ -+ rtx addr, end_addr, mem; -+ rtx trampoline[4]; -+ unsigned int i; -+ HOST_WIDE_INT static_chain_offset, target_function_offset; -+ -+ /* Work out the offsets of the pointers from the start of the -+ trampoline code. */ -+ gcc_assert (ARRAY_SIZE (trampoline) * 4 == TRAMPOLINE_CODE_SIZE); -+ static_chain_offset = TRAMPOLINE_CODE_SIZE; -+ target_function_offset = static_chain_offset + GET_MODE_SIZE (ptr_mode); -+ -+ /* Get pointers to the beginning and end of the code block. */ -+ addr = force_reg (Pmode, XEXP (m_tramp, 0)); -+ end_addr = riscv_force_binary (Pmode, PLUS, addr, GEN_INT (TRAMPOLINE_CODE_SIZE)); -+ -+#define OP(X) gen_int_mode (X, SImode) -+#define MATCH_LREG ((Pmode) == DImode ? MATCH_LD : MATCH_LW) -+ -+ /* auipc t0, 0 -+ l[wd] t1, target_function_offset(t0) -+ l[wd] $static_chain, static_chain_offset(t0) -+ jr t1 -+ */ -+ -+ trampoline[0] = OP (RISCV_UTYPE (AUIPC, STATIC_CHAIN_REGNUM, 0)); -+ trampoline[1] = OP (RISCV_ITYPE (LREG, RISCV_PROLOGUE_TEMP_REGNUM, -+ STATIC_CHAIN_REGNUM, target_function_offset)); -+ trampoline[2] = OP (RISCV_ITYPE (LREG, STATIC_CHAIN_REGNUM, -+ STATIC_CHAIN_REGNUM, static_chain_offset)); -+ trampoline[3] = OP (RISCV_ITYPE (JALR, 0, RISCV_PROLOGUE_TEMP_REGNUM, 0)); -+ -+#undef MATCH_LREG -+#undef OP -+ -+ /* Copy the trampoline code. Leave any padding uninitialized. */ -+ for (i = 0; i < ARRAY_SIZE (trampoline); i++) -+ { -+ mem = adjust_address (m_tramp, SImode, i * GET_MODE_SIZE (SImode)); -+ riscv_emit_move (mem, trampoline[i]); -+ } -+ -+ /* Set up the static chain pointer field. */ -+ mem = adjust_address (m_tramp, ptr_mode, static_chain_offset); -+ riscv_emit_move (mem, chain_value); -+ -+ /* Set up the target function field. */ -+ mem = adjust_address (m_tramp, ptr_mode, target_function_offset); -+ riscv_emit_move (mem, XEXP (DECL_RTL (fndecl), 0)); -+ -+ /* Flush the code part of the trampoline. */ -+ emit_insn (gen_add3_insn (end_addr, addr, GEN_INT (TRAMPOLINE_SIZE))); -+ emit_insn (gen_clear_cache (addr, end_addr)); -+} -+ -+static bool -+riscv_lra_p (void) -+{ -+ return riscv_lra_flag; -+} -+ -+/* Initialize the GCC target structure. */ -+#undef TARGET_ASM_ALIGNED_HI_OP -+#define TARGET_ASM_ALIGNED_HI_OP "\t.half\t" -+#undef TARGET_ASM_ALIGNED_SI_OP -+#define TARGET_ASM_ALIGNED_SI_OP "\t.word\t" -+#undef TARGET_ASM_ALIGNED_DI_OP -+#define TARGET_ASM_ALIGNED_DI_OP "\t.dword\t" -+ -+#undef TARGET_OPTION_OVERRIDE -+#define TARGET_OPTION_OVERRIDE riscv_option_override -+ -+#undef TARGET_LEGITIMIZE_ADDRESS -+#define TARGET_LEGITIMIZE_ADDRESS riscv_legitimize_address -+ -+#undef TARGET_SCHED_ADJUST_COST -+#define TARGET_SCHED_ADJUST_COST riscv_adjust_cost -+#undef TARGET_SCHED_ISSUE_RATE -+#define TARGET_SCHED_ISSUE_RATE riscv_issue_rate -+ -+#undef TARGET_FUNCTION_OK_FOR_SIBCALL -+#define TARGET_FUNCTION_OK_FOR_SIBCALL hook_bool_tree_tree_true -+ -+#undef TARGET_REGISTER_MOVE_COST -+#define TARGET_REGISTER_MOVE_COST riscv_register_move_cost -+#undef TARGET_MEMORY_MOVE_COST -+#define TARGET_MEMORY_MOVE_COST riscv_memory_move_cost -+#undef TARGET_RTX_COSTS -+#define TARGET_RTX_COSTS riscv_rtx_costs -+#undef TARGET_ADDRESS_COST -+#define TARGET_ADDRESS_COST riscv_address_cost -+ -+#undef TARGET_PREFERRED_RELOAD_CLASS -+#define TARGET_PREFERRED_RELOAD_CLASS riscv_preferred_reload_class -+ -+#undef TARGET_ASM_FILE_START_FILE_DIRECTIVE -+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true -+ -+#undef TARGET_EXPAND_BUILTIN_VA_START -+#define TARGET_EXPAND_BUILTIN_VA_START riscv_va_start -+ -+#undef TARGET_PROMOTE_FUNCTION_MODE -+#define TARGET_PROMOTE_FUNCTION_MODE default_promote_function_mode_always_promote -+ -+#undef TARGET_RETURN_IN_MEMORY -+#define TARGET_RETURN_IN_MEMORY riscv_return_in_memory -+ -+#undef TARGET_ASM_OUTPUT_MI_THUNK -+#define TARGET_ASM_OUTPUT_MI_THUNK riscv_output_mi_thunk -+#undef TARGET_ASM_CAN_OUTPUT_MI_THUNK -+#define TARGET_ASM_CAN_OUTPUT_MI_THUNK hook_bool_const_tree_hwi_hwi_const_tree_true -+ -+#undef TARGET_PRINT_OPERAND -+#define TARGET_PRINT_OPERAND riscv_print_operand -+#undef TARGET_PRINT_OPERAND_ADDRESS -+#define TARGET_PRINT_OPERAND_ADDRESS riscv_print_operand_address -+ -+#undef TARGET_SETUP_INCOMING_VARARGS -+#define TARGET_SETUP_INCOMING_VARARGS riscv_setup_incoming_varargs -+#undef TARGET_STRICT_ARGUMENT_NAMING -+#define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_true -+#undef TARGET_MUST_PASS_IN_STACK -+#define TARGET_MUST_PASS_IN_STACK must_pass_in_stack_var_size -+#undef TARGET_PASS_BY_REFERENCE -+#define TARGET_PASS_BY_REFERENCE riscv_pass_by_reference -+#undef TARGET_ARG_PARTIAL_BYTES -+#define TARGET_ARG_PARTIAL_BYTES riscv_arg_partial_bytes -+#undef TARGET_FUNCTION_ARG -+#define TARGET_FUNCTION_ARG riscv_function_arg -+#undef TARGET_FUNCTION_ARG_ADVANCE -+#define TARGET_FUNCTION_ARG_ADVANCE riscv_function_arg_advance -+#undef TARGET_FUNCTION_ARG_BOUNDARY -+#define TARGET_FUNCTION_ARG_BOUNDARY riscv_function_arg_boundary -+ -+#undef TARGET_MODE_REP_EXTENDED -+#define TARGET_MODE_REP_EXTENDED riscv_mode_rep_extended -+ -+#undef TARGET_SCALAR_MODE_SUPPORTED_P -+#define TARGET_SCALAR_MODE_SUPPORTED_P riscv_scalar_mode_supported_p -+ -+#undef TARGET_INIT_BUILTINS -+#define TARGET_INIT_BUILTINS riscv_init_builtins -+#undef TARGET_BUILTIN_DECL -+#define TARGET_BUILTIN_DECL riscv_builtin_decl -+#undef TARGET_EXPAND_BUILTIN -+#define TARGET_EXPAND_BUILTIN riscv_expand_builtin -+ -+#undef TARGET_HAVE_TLS -+#define TARGET_HAVE_TLS HAVE_AS_TLS -+ -+#undef TARGET_CANNOT_FORCE_CONST_MEM -+#define TARGET_CANNOT_FORCE_CONST_MEM riscv_cannot_force_const_mem -+ -+#undef TARGET_LEGITIMATE_CONSTANT_P -+#define TARGET_LEGITIMATE_CONSTANT_P riscv_legitimate_constant_p -+ -+#undef TARGET_USE_BLOCKS_FOR_CONSTANT_P -+#define TARGET_USE_BLOCKS_FOR_CONSTANT_P hook_bool_mode_const_rtx_true -+ -+#ifdef HAVE_AS_DTPRELWORD -+#undef TARGET_ASM_OUTPUT_DWARF_DTPREL -+#define TARGET_ASM_OUTPUT_DWARF_DTPREL riscv_output_dwarf_dtprel -+#endif -+ -+#undef TARGET_LEGITIMATE_ADDRESS_P -+#define TARGET_LEGITIMATE_ADDRESS_P riscv_legitimate_address_p -+ -+#undef TARGET_CAN_ELIMINATE -+#define TARGET_CAN_ELIMINATE riscv_can_eliminate -+ -+#undef TARGET_CONDITIONAL_REGISTER_USAGE -+#define TARGET_CONDITIONAL_REGISTER_USAGE riscv_conditional_register_usage -+ -+#undef TARGET_TRAMPOLINE_INIT -+#define TARGET_TRAMPOLINE_INIT riscv_trampoline_init -+ -+#undef TARGET_IN_SMALL_DATA_P -+#define TARGET_IN_SMALL_DATA_P riscv_in_small_data_p -+ -+#undef TARGET_ASM_SELECT_RTX_SECTION -+#define TARGET_ASM_SELECT_RTX_SECTION riscv_elf_select_rtx_section -+ -+#undef TARGET_MIN_ANCHOR_OFFSET -+#define TARGET_MIN_ANCHOR_OFFSET (-RISCV_IMM_REACH/2) -+ -+#undef TARGET_MAX_ANCHOR_OFFSET -+#define TARGET_MAX_ANCHOR_OFFSET (RISCV_IMM_REACH/2-1) -+ -+#undef TARGET_LRA_P -+#define TARGET_LRA_P riscv_lra_p -+ -+struct gcc_target targetm = TARGET_INITIALIZER; -+ -+#include "gt-riscv.h" -diff -urN original-gcc/gcc/config/riscv/riscv-ftypes.def gcc/gcc/config/riscv/riscv-ftypes.def ---- original-gcc/gcc/config/riscv/riscv-ftypes.def 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv-ftypes.def 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,39 @@ -+/* Definitions of prototypes for RISC-V built-in functions. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+/* Invoke DEF_RISCV_FTYPE (NARGS, LIST) for each prototype used by -+ MIPS built-in functions, where: -+ -+ NARGS is the number of arguments. -+ LIST contains the return-type code followed by the codes for each -+ argument type. -+ -+ Argument- and return-type codes are either modes or one of the following: -+ -+ VOID for void_type_node -+ INT for integer_type_node -+ POINTER for ptr_type_node -+ -+ (we don't use PTR because that's a ANSI-compatibillity macro). -+ -+ Please keep this list lexicographically sorted by the LIST argument. */ -+ -+DEF_RISCV_FTYPE (1, (VOID, VOID)) -diff -urN original-gcc/gcc/config/riscv/riscv.h gcc/gcc/config/riscv/riscv.h ---- original-gcc/gcc/config/riscv/riscv.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv.h 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,1127 @@ -+/* Definition of RISC-V target for GNU compiler. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+/* TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT reflect whether the FPU is -+ directly accessible, while the command-line options select -+ TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI to reflect the ABI -+ in use. */ -+#define TARGET_HARD_FLOAT TARGET_HARD_FLOAT_ABI -+#define TARGET_SOFT_FLOAT TARGET_SOFT_FLOAT_ABI -+ -+/* Target CPU builtins. */ -+#define TARGET_CPU_CPP_BUILTINS() \ -+ do \ -+ { \ -+ builtin_assert ("machine=riscv"); \ -+ \ -+ builtin_assert ("cpu=riscv"); \ -+ builtin_define ("__riscv__"); \ -+ builtin_define ("__riscv"); \ -+ builtin_define ("_riscv"); \ -+ \ -+ if (TARGET_64BIT) \ -+ { \ -+ builtin_define ("__riscv64"); \ -+ builtin_define ("_RISCV_SIM=_ABI64"); \ -+ } \ -+ else \ -+ builtin_define ("_RISCV_SIM=_ABI32"); \ -+ \ -+ builtin_define ("_ABI32=1"); \ -+ builtin_define ("_ABI64=3"); \ -+ \ -+ \ -+ builtin_define_with_int_value ("_RISCV_SZINT", INT_TYPE_SIZE); \ -+ builtin_define_with_int_value ("_RISCV_SZLONG", LONG_TYPE_SIZE); \ -+ builtin_define_with_int_value ("_RISCV_SZPTR", POINTER_SIZE); \ -+ builtin_define_with_int_value ("_RISCV_FPSET", 32); \ -+ \ -+ if (TARGET_ATOMIC) { \ -+ builtin_define ("__riscv_atomic"); \ -+ } \ -+ \ -+ /* These defines reflect the ABI in use, not whether the \ -+ FPU is directly accessible. */ \ -+ if (TARGET_HARD_FLOAT_ABI) { \ -+ builtin_define ("__riscv_hard_float"); \ -+ if (TARGET_FDIV) { \ -+ builtin_define ("__riscv_fdiv"); \ -+ builtin_define ("__riscv_fsqrt"); \ -+ } \ -+ } else \ -+ builtin_define ("__riscv_soft_float"); \ -+ \ -+ /* The base RISC-V ISA is always little-endian. */ \ -+ builtin_define_std ("RISCVEL"); \ -+ builtin_define ("_RISCVEL"); \ -+ \ -+ /* Macros dependent on the C dialect. */ \ -+ if (preprocessing_asm_p ()) \ -+ { \ -+ builtin_define_std ("LANGUAGE_ASSEMBLY"); \ -+ builtin_define ("_LANGUAGE_ASSEMBLY"); \ -+ } \ -+ else if (c_dialect_cxx ()) \ -+ { \ -+ builtin_define ("_LANGUAGE_C_PLUS_PLUS"); \ -+ builtin_define ("__LANGUAGE_C_PLUS_PLUS"); \ -+ builtin_define ("__LANGUAGE_C_PLUS_PLUS__"); \ -+ } \ -+ else \ -+ { \ -+ builtin_define_std ("LANGUAGE_C"); \ -+ builtin_define ("_LANGUAGE_C"); \ -+ } \ -+ if (c_dialect_objc ()) \ -+ { \ -+ builtin_define ("_LANGUAGE_OBJECTIVE_C"); \ -+ builtin_define ("__LANGUAGE_OBJECTIVE_C"); \ -+ /* Bizarre, but needed at least for Irix. */ \ -+ builtin_define_std ("LANGUAGE_C"); \ -+ builtin_define ("_LANGUAGE_C"); \ -+ } \ -+ } \ -+ while (0) -+ -+/* Default target_flags if no switches are specified */ -+ -+#ifndef TARGET_DEFAULT -+#define TARGET_DEFAULT (TARGET_ATOMIC | -+#endif -+ -+#ifndef RISCV_ARCH_STRING_DEFAULT -+#define RISCV_ARCH_STRING_DEFAULT "IMAFD" -+#endif -+ -+#ifndef RISCV_TUNE_STRING_DEFAULT -+#define RISCV_TUNE_STRING_DEFAULT "rocket" -+#endif -+ -+#ifndef TARGET_64BIT_DEFAULT -+#define TARGET_64BIT_DEFAULT 1 -+#endif -+ -+#if TARGET_64BIT_DEFAULT -+# define MULTILIB_ARCH_DEFAULT "m64" -+# define OPT_ARCH64 "!m32" -+# define OPT_ARCH32 "m32" -+#else -+# define MULTILIB_ARCH_DEFAULT "m32" -+# define OPT_ARCH64 "m64" -+# define OPT_ARCH32 "!m64" -+#endif -+ -+#ifndef MULTILIB_DEFAULTS -+#define MULTILIB_DEFAULTS \ -+ { MULTILIB_ARCH_DEFAULT } -+#endif -+ -+ -+/* Support for a compile-time default CPU, et cetera. The rules are: -+ --with-arch is ignored if -march is specified. -+ --with-tune is ignored if -mtune is specified. -+ --with-float is ignored if -mhard-float or -msoft-float are specified. */ -+#define OPTION_DEFAULT_SPECS \ -+ {"arch_32", "%{" OPT_ARCH32 ":%{m32}}" }, \ -+ {"arch_64", "%{" OPT_ARCH64 ":%{m64}}" }, \ -+ {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ -+ {"float", "%{!msoft-float:%{!mhard-float:-m%(VALUE)-float}}" }, \ -+ -+#define DRIVER_SELF_SPECS "" -+ -+#ifdef IN_LIBGCC2 -+#undef TARGET_64BIT -+/* Make this compile time constant for libgcc2 */ -+#ifdef __riscv64 -+#define TARGET_64BIT 1 -+#else -+#define TARGET_64BIT 0 -+#endif -+#endif /* IN_LIBGCC2 */ -+ -+/* Tell collect what flags to pass to nm. */ -+#ifndef NM_FLAGS -+#define NM_FLAGS "-Bn" -+#endif -+ -+#undef ASM_SPEC -+#define ASM_SPEC "\ -+%(subtarget_asm_debugging_spec) \ -+%{m32} %{m64} %{!m32:%{!m64: %(asm_abi_default_spec)}} \ -+%{fPIC|fpic|fPIE|fpie:-fpic} \ -+%{march=*} \ -+%(subtarget_asm_spec)" -+ -+/* Extra switches sometimes passed to the linker. */ -+ -+#ifndef LINK_SPEC -+#define LINK_SPEC "\ -+%{!T:-dT riscv.ld} \ -+%{m64:-melf64lriscv} \ -+%{m32:-melf32lriscv} \ -+%{shared}" -+#endif /* LINK_SPEC defined */ -+ -+/* This macro defines names of additional specifications to put in the specs -+ that can be used in various specifications like CC1_SPEC. Its definition -+ is an initializer with a subgrouping for each command option. -+ -+ Each subgrouping contains a string constant, that defines the -+ specification name, and a string constant that used by the GCC driver -+ program. -+ -+ Do not define this macro if it does not need to do anything. */ -+ -+#define EXTRA_SPECS \ -+ { "asm_abi_default_spec", "-" MULTILIB_ARCH_DEFAULT }, \ -+ SUBTARGET_EXTRA_SPECS -+ -+#ifndef SUBTARGET_EXTRA_SPECS -+#define SUBTARGET_EXTRA_SPECS -+#endif -+ -+/* By default, turn on GDB extensions. */ -+#define DEFAULT_GDB_EXTENSIONS 1 -+ -+#define LOCAL_LABEL_PREFIX "." -+#define USER_LABEL_PREFIX "" -+ -+#define DWARF2_DEBUGGING_INFO 1 -+#define DWARF2_ASM_LINE_DEBUG_INFO 0 -+ -+/* The mapping from gcc register number to DWARF 2 CFA column number. */ -+#define DWARF_FRAME_REGNUM(REGNO) \ -+ (GP_REG_P (REGNO) || FP_REG_P (REGNO) ? REGNO : INVALID_REGNUM) -+ -+/* The DWARF 2 CFA column which tracks the return address. */ -+#define DWARF_FRAME_RETURN_COLUMN RETURN_ADDR_REGNUM -+ -+/* Don't emit .cfi_sections, as it does not work */ -+#undef HAVE_GAS_CFI_SECTIONS_DIRECTIVE -+#define HAVE_GAS_CFI_SECTIONS_DIRECTIVE 0 -+ -+/* Before the prologue, RA lives in r31. */ -+#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (VOIDmode, RETURN_ADDR_REGNUM) -+ -+/* Describe how we implement __builtin_eh_return. */ -+#define EH_RETURN_DATA_REGNO(N) \ -+ ((N) < 4 ? (N) + GP_ARG_FIRST : INVALID_REGNUM) -+ -+#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, GP_ARG_FIRST + 4) -+ -+/* Target machine storage layout */ -+ -+#define BITS_BIG_ENDIAN 0 -+#define BYTES_BIG_ENDIAN 0 -+#define WORDS_BIG_ENDIAN 0 -+ -+#define MAX_BITS_PER_WORD 64 -+ -+/* Width of a word, in units (bytes). */ -+#define UNITS_PER_WORD (TARGET_64BIT ? 8 : 4) -+#ifndef IN_LIBGCC2 -+#define MIN_UNITS_PER_WORD 4 -+#endif -+ -+/* We currently require both or neither of the `F' and `D' extensions. */ -+#define UNITS_PER_FPREG 8 -+ -+/* If FP regs aren't wide enough for a given FP argument, it is passed in -+ integer registers. */ -+#define MIN_FPRS_PER_FMT 1 -+ -+/* The largest size of value that can be held in floating-point -+ registers and moved with a single instruction. */ -+#define UNITS_PER_HWFPVALUE \ -+ (TARGET_SOFT_FLOAT_ABI ? 0 : UNITS_PER_FPREG) -+ -+/* The largest size of value that can be held in floating-point -+ registers. */ -+#define UNITS_PER_FPVALUE \ -+ (TARGET_SOFT_FLOAT_ABI ? 0 \ -+ : LONG_DOUBLE_TYPE_SIZE / BITS_PER_UNIT) -+ -+/* The number of bytes in a double. */ -+#define UNITS_PER_DOUBLE (TYPE_PRECISION (double_type_node) / BITS_PER_UNIT) -+ -+/* Set the sizes of the core types. */ -+#define SHORT_TYPE_SIZE 16 -+#define INT_TYPE_SIZE 32 -+#define LONG_TYPE_SIZE (TARGET_64BIT ? 64 : 32) -+#define LONG_LONG_TYPE_SIZE 64 -+ -+#define FLOAT_TYPE_SIZE 32 -+#define DOUBLE_TYPE_SIZE 64 -+/* XXX The ABI says long doubles are IEEE-754-2008 float128s. */ -+#define LONG_DOUBLE_TYPE_SIZE 64 -+ -+#ifdef IN_LIBGCC2 -+# define LIBGCC2_LONG_DOUBLE_TYPE_SIZE LONG_DOUBLE_TYPE_SIZE -+#endif -+ -+/* Allocation boundary (in *bits*) for storing arguments in argument list. */ -+#define PARM_BOUNDARY BITS_PER_WORD -+ -+/* Allocation boundary (in *bits*) for the code of a function. */ -+#define FUNCTION_BOUNDARY 32 -+ -+/* There is no point aligning anything to a rounder boundary than this. */ -+#define BIGGEST_ALIGNMENT 128 -+ -+/* All accesses must be aligned. */ -+#define STRICT_ALIGNMENT 1 -+ -+/* Define this if you wish to imitate the way many other C compilers -+ handle alignment of bitfields and the structures that contain -+ them. -+ -+ The behavior is that the type written for a bit-field (`int', -+ `short', or other integer type) imposes an alignment for the -+ entire structure, as if the structure really did contain an -+ ordinary field of that type. In addition, the bit-field is placed -+ within the structure so that it would fit within such a field, -+ not crossing a boundary for it. -+ -+ Thus, on most machines, a bit-field whose type is written as `int' -+ would not cross a four-byte boundary, and would force four-byte -+ alignment for the whole structure. (The alignment used may not -+ be four bytes; it is controlled by the other alignment -+ parameters.) -+ -+ If the macro is defined, its definition should be a C expression; -+ a nonzero value for the expression enables this behavior. */ -+ -+#define PCC_BITFIELD_TYPE_MATTERS 1 -+ -+/* If defined, a C expression to compute the alignment given to a -+ constant that is being placed in memory. CONSTANT is the constant -+ and ALIGN is the alignment that the object would ordinarily have. -+ The value of this macro is used instead of that alignment to align -+ the object. -+ -+ If this macro is not defined, then ALIGN is used. -+ -+ The typical use of this macro is to increase alignment for string -+ constants to be word aligned so that `strcpy' calls that copy -+ constants can be done inline. */ -+ -+#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ -+ ((TREE_CODE (EXP) == STRING_CST || TREE_CODE (EXP) == CONSTRUCTOR) \ -+ && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) -+ -+/* If defined, a C expression to compute the alignment for a static -+ variable. TYPE is the data type, and ALIGN is the alignment that -+ the object would ordinarily have. The value of this macro is used -+ instead of that alignment to align the object. -+ -+ If this macro is not defined, then ALIGN is used. -+ -+ One use of this macro is to increase alignment of medium-size -+ data to make it all fit in fewer cache lines. Another is to -+ cause character arrays to be word-aligned so that `strcpy' calls -+ that copy constants to character arrays can be done inline. */ -+ -+#undef DATA_ALIGNMENT -+#define DATA_ALIGNMENT(TYPE, ALIGN) \ -+ ((((ALIGN) < BITS_PER_WORD) \ -+ && (TREE_CODE (TYPE) == ARRAY_TYPE \ -+ || TREE_CODE (TYPE) == UNION_TYPE \ -+ || TREE_CODE (TYPE) == RECORD_TYPE)) ? BITS_PER_WORD : (ALIGN)) -+ -+/* We need this for the same reason as DATA_ALIGNMENT, namely to cause -+ character arrays to be word-aligned so that `strcpy' calls that copy -+ constants to character arrays can be done inline, and 'strcmp' can be -+ optimised to use word loads. */ -+#define LOCAL_ALIGNMENT(TYPE, ALIGN) \ -+ DATA_ALIGNMENT (TYPE, ALIGN) -+ -+/* Define if operations between registers always perform the operation -+ on the full register even if a narrower mode is specified. */ -+#define WORD_REGISTER_OPERATIONS -+ -+/* When in 64-bit mode, move insns will sign extend SImode and CCmode -+ moves. All other references are zero extended. */ -+#define LOAD_EXTEND_OP(MODE) \ -+ (TARGET_64BIT && ((MODE) == SImode || (MODE) == CCmode) \ -+ ? SIGN_EXTEND : ZERO_EXTEND) -+ -+/* Define this macro if it is advisable to hold scalars in registers -+ in a wider mode than that declared by the program. In such cases, -+ the value is constrained to be within the bounds of the declared -+ type, but kept valid in the wider mode. The signedness of the -+ extension may differ from that of the type. */ -+ -+#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \ -+ if (GET_MODE_CLASS (MODE) == MODE_INT \ -+ && GET_MODE_SIZE (MODE) < 4) \ -+ { \ -+ (MODE) = Pmode; \ -+ } -+ -+/* Pmode is always the same as ptr_mode, but not always the same as word_mode. -+ Extensions of pointers to word_mode must be signed. */ -+#define POINTERS_EXTEND_UNSIGNED false -+ -+/* RV32 double-precision FP <-> integer moves go through memory */ -+#define SECONDARY_MEMORY_NEEDED(CLASS1,CLASS2,MODE) \ -+ (!TARGET_64BIT && GET_MODE_SIZE (MODE) == 8 && \ -+ (((CLASS1) == FP_REGS && (CLASS2) != FP_REGS) \ -+ || ((CLASS2) == FP_REGS && (CLASS1) != FP_REGS))) -+ -+/* Define if loading short immediate values into registers sign extends. */ -+#define SHORT_IMMEDIATES_SIGN_EXTEND -+ -+/* Standard register usage. */ -+ -+/* Number of hardware registers. We have: -+ -+ - 32 integer registers -+ - 32 floating point registers -+ - 32 vector integer registers -+ - 32 vector floating point registers -+ - 2 fake registers: -+ - ARG_POINTER_REGNUM -+ - FRAME_POINTER_REGNUM */ -+ -+#define FIRST_PSEUDO_REGISTER 66 -+ -+/* x0, sp, gp, and tp are fixed. */ -+ -+#define FIXED_REGISTERS \ -+{ /* General registers. */ \ -+ 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ -+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ -+ /* Floating-point registers. */ \ -+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ -+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ -+ /* Others. */ \ -+ 1, 1 \ -+} -+ -+ -+/* a0-a7, t0-a6, fa0-fa7, and ft0-ft11 are volatile across calls. -+ The call RTLs themselves clobber ra. */ -+ -+#define CALL_USED_REGISTERS \ -+{ /* General registers. */ \ -+ 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, \ -+ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, \ -+ /* Floating-point registers. */ \ -+ 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, \ -+ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, \ -+ /* Others. */ \ -+ 1, 1 \ -+} -+ -+#define CALL_REALLY_USED_REGISTERS \ -+{ /* General registers. */ \ -+ 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, \ -+ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, \ -+ /* Floating-point registers. */ \ -+ 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, \ -+ 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, \ -+ /* Others. */ \ -+ 1, 1 \ -+} -+ -+/* Internal macros to classify an ISA register's type. */ -+ -+#define GP_REG_FIRST 0 -+#define GP_REG_LAST 31 -+#define GP_REG_NUM (GP_REG_LAST - GP_REG_FIRST + 1) -+ -+#define FP_REG_FIRST 32 -+#define FP_REG_LAST 63 -+#define FP_REG_NUM (FP_REG_LAST - FP_REG_FIRST + 1) -+ -+/* The DWARF 2 CFA column which tracks the return address from a -+ signal handler context. This means that to maintain backwards -+ compatibility, no hard register can be assigned this column if it -+ would need to be handled by the DWARF unwinder. */ -+#define DWARF_ALT_FRAME_RETURN_COLUMN 64 -+ -+#define GP_REG_P(REGNO) \ -+ ((unsigned int) ((int) (REGNO) - GP_REG_FIRST) < GP_REG_NUM) -+#define FP_REG_P(REGNO) \ -+ ((unsigned int) ((int) (REGNO) - FP_REG_FIRST) < FP_REG_NUM) -+ -+#define FP_REG_RTX_P(X) (REG_P (X) && FP_REG_P (REGNO (X))) -+ -+/* Return coprocessor number from register number. */ -+ -+#define COPNUM_AS_CHAR_FROM_REGNUM(REGNO) \ -+ (COP0_REG_P (REGNO) ? '0' : COP2_REG_P (REGNO) ? '2' \ -+ : COP3_REG_P (REGNO) ? '3' : '?') -+ -+ -+#define HARD_REGNO_NREGS(REGNO, MODE) riscv_hard_regno_nregs (REGNO, MODE) -+ -+#define HARD_REGNO_MODE_OK(REGNO, MODE) \ -+ riscv_hard_regno_mode_ok[ (int)(MODE) ][ (REGNO) ] -+ -+#define MODES_TIEABLE_P(MODE1, MODE2) \ -+ ((MODE1) == (MODE2) || (GET_MODE_CLASS (MODE1) == MODE_INT \ -+ && GET_MODE_CLASS (MODE2) == MODE_INT)) -+ -+/* Use s0 as the frame pointer if it is so requested. */ -+#define HARD_FRAME_POINTER_REGNUM 8 -+#define STACK_POINTER_REGNUM 2 -+#define THREAD_POINTER_REGNUM 4 -+ -+/* These two registers don't really exist: they get eliminated to either -+ the stack or hard frame pointer. */ -+#define ARG_POINTER_REGNUM 64 -+#define FRAME_POINTER_REGNUM 65 -+ -+#define HARD_FRAME_POINTER_IS_FRAME_POINTER 0 -+#define HARD_FRAME_POINTER_IS_ARG_POINTER 0 -+ -+/* Register in which static-chain is passed to a function. */ -+#define STATIC_CHAIN_REGNUM GP_TEMP_FIRST -+ -+/* Registers used as temporaries in prologue/epilogue code. -+ -+ The prologue registers mustn't conflict with any -+ incoming arguments, the static chain pointer, or the frame pointer. -+ The epilogue temporary mustn't conflict with the return registers, -+ the frame pointer, the EH stack adjustment, or the EH data registers. */ -+ -+#define RISCV_PROLOGUE_TEMP_REGNUM (GP_TEMP_FIRST + 1) -+#define RISCV_EPILOGUE_TEMP_REGNUM RISCV_PROLOGUE_TEMP_REGNUM -+ -+#define RISCV_PROLOGUE_TEMP(MODE) gen_rtx_REG (MODE, RISCV_PROLOGUE_TEMP_REGNUM) -+#define RISCV_EPILOGUE_TEMP(MODE) gen_rtx_REG (MODE, RISCV_EPILOGUE_TEMP_REGNUM) -+ -+#define FUNCTION_PROFILER(STREAM, LABELNO) \ -+{ \ -+ sorry ("profiler support for RISC-V"); \ -+} -+ -+/* Define this macro if it is as good or better to call a constant -+ function address than to call an address kept in a register. */ -+#define NO_FUNCTION_CSE 1 -+ -+/* Define the classes of registers for register constraints in the -+ machine description. Also define ranges of constants. -+ -+ One of the classes must always be named ALL_REGS and include all hard regs. -+ If there is more than one class, another class must be named NO_REGS -+ and contain no registers. -+ -+ The name GENERAL_REGS must be the name of a class (or an alias for -+ another name such as ALL_REGS). This is the class of registers -+ that is allowed by "g" or "r" in a register constraint. -+ Also, registers outside this class are allocated only when -+ instructions express preferences for them. -+ -+ The classes must be numbered in nondecreasing order; that is, -+ a larger-numbered class must never be contained completely -+ in a smaller-numbered class. -+ -+ For any two classes, it is very desirable that there be another -+ class that represents their union. */ -+ -+enum reg_class -+{ -+ NO_REGS, /* no registers in set */ -+ T_REGS, /* registers used by indirect sibcalls */ -+ GR_REGS, /* integer registers */ -+ FP_REGS, /* floating point registers */ -+ FRAME_REGS, /* $arg and $frame */ -+ ALL_REGS, /* all registers */ -+ LIM_REG_CLASSES /* max value + 1 */ -+}; -+ -+#define N_REG_CLASSES (int) LIM_REG_CLASSES -+ -+#define GENERAL_REGS GR_REGS -+ -+/* An initializer containing the names of the register classes as C -+ string constants. These names are used in writing some of the -+ debugging dumps. */ -+ -+#define REG_CLASS_NAMES \ -+{ \ -+ "NO_REGS", \ -+ "T_REGS", \ -+ "GR_REGS", \ -+ "FP_REGS", \ -+ "FRAME_REGS", \ -+ "ALL_REGS" \ -+} -+ -+/* An initializer containing the contents of the register classes, -+ as integers which are bit masks. The Nth integer specifies the -+ contents of class N. The way the integer MASK is interpreted is -+ that register R is in the class if `MASK & (1 << R)' is 1. -+ -+ When the machine has more than 32 registers, an integer does not -+ suffice. Then the integers are replaced by sub-initializers, -+ braced groupings containing several integers. Each -+ sub-initializer must be suitable as an initializer for the type -+ `HARD_REG_SET' which is defined in `hard-reg-set.h'. */ -+ -+#define REG_CLASS_CONTENTS \ -+{ \ -+ { 0x00000000, 0x00000000, 0x00000000 }, /* NO_REGS */ \ -+ { 0xf00000e0, 0x00000000, 0x00000000 }, /* T_REGS */ \ -+ { 0xffffffff, 0x00000000, 0x00000000 }, /* GR_REGS */ \ -+ { 0x00000000, 0xffffffff, 0x00000000 }, /* FP_REGS */ \ -+ { 0x00000000, 0x00000000, 0x00000003 }, /* FRAME_REGS */ \ -+ { 0xffffffff, 0xffffffff, 0x00000003 } /* ALL_REGS */ \ -+} -+ -+/* A C expression whose value is a register class containing hard -+ register REGNO. In general there is more that one such class; -+ choose a class which is "minimal", meaning that no smaller class -+ also contains the register. */ -+ -+#define REGNO_REG_CLASS(REGNO) riscv_regno_to_class[ (REGNO) ] -+ -+/* A macro whose definition is the name of the class to which a -+ valid base register must belong. A base register is one used in -+ an address which is the register value plus a displacement. */ -+ -+#define BASE_REG_CLASS GR_REGS -+ -+/* A macro whose definition is the name of the class to which a -+ valid index register must belong. An index register is one used -+ in an address where its value is either multiplied by a scale -+ factor or added to another register (as well as added to a -+ displacement). */ -+ -+#define INDEX_REG_CLASS NO_REGS -+ -+/* We generally want to put call-clobbered registers ahead of -+ call-saved ones. (IRA expects this.) */ -+ -+#define REG_ALLOC_ORDER \ -+{ \ -+ /* Call-clobbered GPRs. */ \ -+ 15, 14, 13, 12, 11, 10, 16, 17, 5, 6, 7, 28, 29, 30, 31, 1, \ -+ /* Call-saved GPRs. */ \ -+ 8, 9, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, \ -+ /* GPRs that can never be exposed to the register allocator. */ \ -+ 0, 2, 3, 4, \ -+ /* Call-clobbered FPRs. */ \ -+ 32, 33, 34, 35, 36, 37, 38, 39, 42, 43, 44, 45, 46, 47, 48, 49, \ -+ 60, 61, 62, 63, \ -+ /* Call-saved FPRs. */ \ -+ 40, 41, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, \ -+ /* None of the remaining classes have defined call-saved \ -+ registers. */ \ -+ 64, 65 \ -+} -+ -+/* True if VALUE is a signed 16-bit number. */ -+ -+#include "opcode-riscv.h" -+#define SMALL_OPERAND(VALUE) \ -+ ((unsigned HOST_WIDE_INT) (VALUE) + RISCV_IMM_REACH/2 < RISCV_IMM_REACH) -+ -+/* True if VALUE can be loaded into a register using LUI. */ -+ -+#define LUI_OPERAND(VALUE) \ -+ (((VALUE) | ((1UL<<31) - RISCV_IMM_REACH)) == ((1UL<<31) - RISCV_IMM_REACH) \ -+ || ((VALUE) | ((1UL<<31) - RISCV_IMM_REACH)) + RISCV_IMM_REACH == 0) -+ -+/* Return a value X with the low 16 bits clear, and such that -+ VALUE - X is a signed 16-bit value. */ -+ -+#define SMALL_INT(X) SMALL_OPERAND (INTVAL (X)) -+#define LUI_INT(X) LUI_OPERAND (INTVAL (X)) -+ -+/* The HI and LO registers can only be reloaded via the general -+ registers. Condition code registers can only be loaded to the -+ general registers, and from the floating point registers. */ -+ -+#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \ -+ riscv_secondary_reload_class (CLASS, MODE, X, true) -+#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \ -+ riscv_secondary_reload_class (CLASS, MODE, X, false) -+ -+/* Return the maximum number of consecutive registers -+ needed to represent mode MODE in a register of class CLASS. */ -+ -+#define CLASS_MAX_NREGS(CLASS, MODE) riscv_class_max_nregs (CLASS, MODE) -+ -+/* It is undefined to interpret an FP register in a different format than -+ that which it was created to be. */ -+ -+#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ -+ reg_classes_intersect_p (FP_REGS, CLASS) -+ -+/* Stack layout; function entry, exit and calling. */ -+ -+#define STACK_GROWS_DOWNWARD -+ -+#define FRAME_GROWS_DOWNWARD 1 -+ -+#define STARTING_FRAME_OFFSET 0 -+ -+#define RETURN_ADDR_RTX riscv_return_addr -+ -+#define ELIMINABLE_REGS \ -+{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ -+ { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \ -+ { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ -+ { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}} \ -+ -+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ -+ (OFFSET) = riscv_initial_elimination_offset (FROM, TO) -+ -+/* Allocate stack space for arguments at the beginning of each function. */ -+#define ACCUMULATE_OUTGOING_ARGS 1 -+ -+/* The argument pointer always points to the first argument. */ -+#define FIRST_PARM_OFFSET(FNDECL) 0 -+ -+#define REG_PARM_STACK_SPACE(FNDECL) 0 -+ -+/* Define this if it is the responsibility of the caller to -+ allocate the area reserved for arguments passed in registers. -+ If `ACCUMULATE_OUTGOING_ARGS' is also defined, the only effect -+ of this macro is to determine whether the space is included in -+ `crtl->outgoing_args_size'. */ -+#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1 -+ -+#define STACK_BOUNDARY 128 -+ -+/* Symbolic macros for the registers used to return integer and floating -+ point values. */ -+ -+#define GP_RETURN GP_ARG_FIRST -+#define FP_RETURN ((TARGET_SOFT_FLOAT) ? GP_RETURN : FP_ARG_FIRST) -+ -+#define MAX_ARGS_IN_REGISTERS 8 -+ -+/* Symbolic macros for the first/last argument registers. */ -+ -+#define GP_ARG_FIRST (GP_REG_FIRST + 10) -+#define GP_ARG_LAST (GP_ARG_FIRST + MAX_ARGS_IN_REGISTERS - 1) -+#define GP_TEMP_FIRST (GP_REG_FIRST + 5) -+#define FP_ARG_FIRST (FP_REG_FIRST + 10) -+#define FP_ARG_LAST (FP_ARG_FIRST + MAX_ARGS_IN_REGISTERS - 1) -+ -+#define LIBCALL_VALUE(MODE) \ -+ riscv_function_value (NULL_TREE, NULL_TREE, MODE) -+ -+#define FUNCTION_VALUE(VALTYPE, FUNC) \ -+ riscv_function_value (VALTYPE, FUNC, VOIDmode) -+ -+#define FUNCTION_VALUE_REGNO_P(N) ((N) == GP_RETURN || (N) == FP_RETURN) -+ -+/* 1 if N is a possible register number for function argument passing. -+ We have no FP argument registers when soft-float. When FP registers -+ are 32 bits, we can't directly reference the odd numbered ones. */ -+ -+/* Accept arguments in a0-a7 and/or fa0-fa7. */ -+#define FUNCTION_ARG_REGNO_P(N) \ -+ (IN_RANGE((N), GP_ARG_FIRST, GP_ARG_LAST) \ -+ || IN_RANGE((N), FP_ARG_FIRST, FP_ARG_LAST)) -+ -+/* The ABI views the arguments as a structure, of which the first 8 -+ words go in registers and the rest go on the stack. If I < 8, N, the Ith -+ word might go in the Ith integer argument register or the Ith -+ floating-point argument register. */ -+ -+typedef struct { -+ /* Number of integer registers used so far, up to MAX_ARGS_IN_REGISTERS. */ -+ unsigned int num_gprs; -+ -+ /* Number of words passed on the stack. */ -+ unsigned int stack_words; -+} CUMULATIVE_ARGS; -+ -+/* Initialize a variable CUM of type CUMULATIVE_ARGS -+ for a call to a function whose data type is FNTYPE. -+ For a library call, FNTYPE is 0. */ -+ -+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ -+ memset (&(CUM), 0, sizeof (CUM)) -+ -+#define EPILOGUE_USES(REGNO) ((REGNO) == RETURN_ADDR_REGNUM) -+ -+/* ABI requires 16-byte alignment, even on ven on RV32. */ -+#define RISCV_STACK_ALIGN(LOC) (((LOC) + 15) & -16) -+ -+#define NO_PROFILE_COUNTERS 1 -+ -+/* Define this macro if the code for function profiling should come -+ before the function prologue. Normally, the profiling code comes -+ after. */ -+ -+/* #define PROFILE_BEFORE_PROLOGUE */ -+ -+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function, -+ the stack pointer does not matter. The value is tested only in -+ functions that have frame pointers. -+ No definition is equivalent to always zero. */ -+ -+#define EXIT_IGNORE_STACK 1 -+ -+ -+/* Trampolines are a block of code followed by two pointers. */ -+ -+#define TRAMPOLINE_CODE_SIZE 16 -+#define TRAMPOLINE_SIZE (TRAMPOLINE_CODE_SIZE + POINTER_SIZE * 2) -+#define TRAMPOLINE_ALIGNMENT POINTER_SIZE -+ -+/* Addressing modes, and classification of registers for them. */ -+ -+#define REGNO_OK_FOR_INDEX_P(REGNO) 0 -+#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) \ -+ riscv_regno_mode_ok_for_base_p (REGNO, MODE, 1) -+ -+/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx -+ and check its validity for a certain class. -+ We have two alternate definitions for each of them. -+ The usual definition accepts all pseudo regs; the other rejects them all. -+ The symbol REG_OK_STRICT causes the latter definition to be used. -+ -+ Most source files want to accept pseudo regs in the hope that -+ they will get allocated to the class that the insn wants them to be in. -+ Some source files that are used after register allocation -+ need to be strict. */ -+ -+#ifndef REG_OK_STRICT -+#define REG_MODE_OK_FOR_BASE_P(X, MODE) \ -+ riscv_regno_mode_ok_for_base_p (REGNO (X), MODE, 0) -+#else -+#define REG_MODE_OK_FOR_BASE_P(X, MODE) \ -+ riscv_regno_mode_ok_for_base_p (REGNO (X), MODE, 1) -+#endif -+ -+#define REG_OK_FOR_INDEX_P(X) 0 -+ -+ -+/* Maximum number of registers that can appear in a valid memory address. */ -+ -+#define MAX_REGS_PER_ADDRESS 1 -+ -+#define CONSTANT_ADDRESS_P(X) \ -+ (CONSTANT_P (X) && memory_address_p (SImode, X)) -+ -+/* This handles the magic '..CURRENT_FUNCTION' symbol, which means -+ 'the start of the function that this code is output in'. */ -+ -+#define ASM_OUTPUT_LABELREF(FILE,NAME) \ -+ if (strcmp (NAME, "..CURRENT_FUNCTION") == 0) \ -+ asm_fprintf ((FILE), "%U%s", \ -+ XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \ -+ else \ -+ asm_fprintf ((FILE), "%U%s", (NAME)) -+ -+/* This flag marks functions that cannot be lazily bound. */ -+#define SYMBOL_FLAG_BIND_NOW (SYMBOL_FLAG_MACH_DEP << 1) -+#define SYMBOL_REF_BIND_NOW_P(RTX) \ -+ ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_BIND_NOW) != 0) -+ -+#define JUMP_TABLES_IN_TEXT_SECTION 0 -+#define CASE_VECTOR_MODE SImode -+ -+/* Define this as 1 if `char' should by default be signed; else as 0. */ -+#define DEFAULT_SIGNED_CHAR 0 -+ -+/* Consider using fld/fsd to move 8 bytes at a time for RV32IFD. */ -+#define MOVE_MAX UNITS_PER_WORD -+#define MAX_MOVE_MAX 8 -+ -+#define SLOW_BYTE_ACCESS 0 -+ -+#define SHIFT_COUNT_TRUNCATED 1 -+ -+/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits -+ is done just by pretending it is already truncated. */ -+#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) \ -+ (TARGET_64BIT ? ((INPREC) <= 32 || (OUTPREC) < 32) : 1) -+ -+/* Specify the machine mode that pointers have. -+ After generation of rtl, the compiler makes no further distinction -+ between pointers and any other objects of this machine mode. */ -+ -+#ifndef Pmode -+#define Pmode (TARGET_64BIT ? DImode : SImode) -+#endif -+ -+/* Give call MEMs SImode since it is the "most permissive" mode -+ for both 32-bit and 64-bit targets. */ -+ -+#define FUNCTION_MODE SImode -+ -+/* A C expression for the cost of a branch instruction. A value of 2 -+ seems to minimize code size. */ -+ -+#define BRANCH_COST(speed_p, predictable_p) \ -+ ((!(speed_p) || (predictable_p)) ? 2 : riscv_branch_cost) -+ -+#define LOGICAL_OP_NON_SHORT_CIRCUIT 0 -+ -+/* Control the assembler format that we output. */ -+ -+/* Output to assembler file text saying following lines -+ may contain character constants, extra white space, comments, etc. */ -+ -+#ifndef ASM_APP_ON -+#define ASM_APP_ON " #APP\n" -+#endif -+ -+/* Output to assembler file text saying following lines -+ no longer contain unusual constructs. */ -+ -+#ifndef ASM_APP_OFF -+#define ASM_APP_OFF " #NO_APP\n" -+#endif -+ -+#define REGISTER_NAMES \ -+{ "zero","ra", "sp", "gp", "tp", "t0", "t1", "t2", \ -+ "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", \ -+ "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", \ -+ "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", \ -+ "ft0", "ft1", "ft2", "ft3", "ft4", "ft5", "ft6", "ft7", \ -+ "fs0", "fs1", "fa0", "fa1", "fa2", "fa3", "fa4", "fa5", \ -+ "fa6", "fa7", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7", \ -+ "fs8", "fs9", "fs10","fs11","ft8", "ft9", "ft10","ft11", \ -+ "arg", "frame", } -+ -+#define ADDITIONAL_REGISTER_NAMES \ -+{ \ -+ { "x0", 0 + GP_REG_FIRST }, \ -+ { "x1", 1 + GP_REG_FIRST }, \ -+ { "x2", 2 + GP_REG_FIRST }, \ -+ { "x3", 3 + GP_REG_FIRST }, \ -+ { "x4", 4 + GP_REG_FIRST }, \ -+ { "x5", 5 + GP_REG_FIRST }, \ -+ { "x6", 6 + GP_REG_FIRST }, \ -+ { "x7", 7 + GP_REG_FIRST }, \ -+ { "x8", 8 + GP_REG_FIRST }, \ -+ { "x9", 9 + GP_REG_FIRST }, \ -+ { "x10", 10 + GP_REG_FIRST }, \ -+ { "x11", 11 + GP_REG_FIRST }, \ -+ { "x12", 12 + GP_REG_FIRST }, \ -+ { "x13", 13 + GP_REG_FIRST }, \ -+ { "x14", 14 + GP_REG_FIRST }, \ -+ { "x15", 15 + GP_REG_FIRST }, \ -+ { "x16", 16 + GP_REG_FIRST }, \ -+ { "x17", 17 + GP_REG_FIRST }, \ -+ { "x18", 18 + GP_REG_FIRST }, \ -+ { "x19", 19 + GP_REG_FIRST }, \ -+ { "x20", 20 + GP_REG_FIRST }, \ -+ { "x21", 21 + GP_REG_FIRST }, \ -+ { "x22", 22 + GP_REG_FIRST }, \ -+ { "x23", 23 + GP_REG_FIRST }, \ -+ { "x24", 24 + GP_REG_FIRST }, \ -+ { "x25", 25 + GP_REG_FIRST }, \ -+ { "x26", 26 + GP_REG_FIRST }, \ -+ { "x27", 27 + GP_REG_FIRST }, \ -+ { "x28", 28 + GP_REG_FIRST }, \ -+ { "x29", 29 + GP_REG_FIRST }, \ -+ { "x30", 30 + GP_REG_FIRST }, \ -+ { "x31", 31 + GP_REG_FIRST }, \ -+ { "f0", 0 + FP_REG_FIRST }, \ -+ { "f1", 1 + FP_REG_FIRST }, \ -+ { "f2", 2 + FP_REG_FIRST }, \ -+ { "f3", 3 + FP_REG_FIRST }, \ -+ { "f4", 4 + FP_REG_FIRST }, \ -+ { "f5", 5 + FP_REG_FIRST }, \ -+ { "f6", 6 + FP_REG_FIRST }, \ -+ { "f7", 7 + FP_REG_FIRST }, \ -+ { "f8", 8 + FP_REG_FIRST }, \ -+ { "f9", 9 + FP_REG_FIRST }, \ -+ { "f10", 10 + FP_REG_FIRST }, \ -+ { "f11", 11 + FP_REG_FIRST }, \ -+ { "f12", 12 + FP_REG_FIRST }, \ -+ { "f13", 13 + FP_REG_FIRST }, \ -+ { "f14", 14 + FP_REG_FIRST }, \ -+ { "f15", 15 + FP_REG_FIRST }, \ -+ { "f16", 16 + FP_REG_FIRST }, \ -+ { "f17", 17 + FP_REG_FIRST }, \ -+ { "f18", 18 + FP_REG_FIRST }, \ -+ { "f19", 19 + FP_REG_FIRST }, \ -+ { "f20", 20 + FP_REG_FIRST }, \ -+ { "f21", 21 + FP_REG_FIRST }, \ -+ { "f22", 22 + FP_REG_FIRST }, \ -+ { "f23", 23 + FP_REG_FIRST }, \ -+ { "f24", 24 + FP_REG_FIRST }, \ -+ { "f25", 25 + FP_REG_FIRST }, \ -+ { "f26", 26 + FP_REG_FIRST }, \ -+ { "f27", 27 + FP_REG_FIRST }, \ -+ { "f28", 28 + FP_REG_FIRST }, \ -+ { "f29", 29 + FP_REG_FIRST }, \ -+ { "f30", 30 + FP_REG_FIRST }, \ -+ { "f31", 31 + FP_REG_FIRST }, \ -+} -+ -+/* Globalizing directive for a label. */ -+#define GLOBAL_ASM_OP "\t.globl\t" -+ -+/* This is how to store into the string LABEL -+ the symbol_ref name of an internal numbered label where -+ PREFIX is the class of label and NUM is the number within the class. -+ This is suitable for output with `assemble_name'. */ -+ -+#undef ASM_GENERATE_INTERNAL_LABEL -+#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ -+ sprintf ((LABEL), "*%s%s%ld", (LOCAL_LABEL_PREFIX), (PREFIX), (long)(NUM)) -+ -+/* This is how to output an element of a case-vector that is absolute. */ -+ -+#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \ -+ fprintf (STREAM, "\t.word\t%sL%d\n", LOCAL_LABEL_PREFIX, VALUE) -+ -+/* This is how to output an element of a PIC case-vector. */ -+ -+#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \ -+ fprintf (STREAM, "\t.word\t%sL%d-%sL%d\n", \ -+ LOCAL_LABEL_PREFIX, VALUE, LOCAL_LABEL_PREFIX, REL) -+ -+/* This is how to output an assembler line -+ that says to advance the location counter -+ to a multiple of 2**LOG bytes. */ -+ -+#define ASM_OUTPUT_ALIGN(STREAM,LOG) \ -+ fprintf (STREAM, "\t.align\t%d\n", (LOG)) -+ -+/* Define the strings to put out for each section in the object file. */ -+#define TEXT_SECTION_ASM_OP "\t.text" /* instructions */ -+#define DATA_SECTION_ASM_OP "\t.data" /* large data */ -+#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata" -+#define BSS_SECTION_ASM_OP "\t.bss" -+#define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\"aw\",@nobits" -+#define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\"aw\",@progbits" -+ -+#define ASM_OUTPUT_REG_PUSH(STREAM,REGNO) \ -+do \ -+ { \ -+ fprintf (STREAM, "\taddi\t%s,%s,-8\n\t%s\t%s,0(%s)\n", \ -+ reg_names[STACK_POINTER_REGNUM], \ -+ reg_names[STACK_POINTER_REGNUM], \ -+ TARGET_64BIT ? "sd" : "sw", \ -+ reg_names[REGNO], \ -+ reg_names[STACK_POINTER_REGNUM]); \ -+ } \ -+while (0) -+ -+#define ASM_OUTPUT_REG_POP(STREAM,REGNO) \ -+do \ -+ { \ -+ fprintf (STREAM, "\t%s\t%s,0(%s)\n\taddi\t%s,%s,8\n", \ -+ TARGET_64BIT ? "ld" : "lw", \ -+ reg_names[REGNO], \ -+ reg_names[STACK_POINTER_REGNUM], \ -+ reg_names[STACK_POINTER_REGNUM], \ -+ reg_names[STACK_POINTER_REGNUM]); \ -+ } \ -+while (0) -+ -+#define ASM_COMMENT_START "#" -+ -+#undef SIZE_TYPE -+#define SIZE_TYPE (POINTER_SIZE == 64 ? "long unsigned int" : "unsigned int") -+ -+#undef PTRDIFF_TYPE -+#define PTRDIFF_TYPE (POINTER_SIZE == 64 ? "long int" : "int") -+ -+/* The maximum number of bytes that can be copied by one iteration of -+ a movmemsi loop; see riscv_block_move_loop. */ -+#define RISCV_MAX_MOVE_BYTES_PER_LOOP_ITER (UNITS_PER_WORD * 4) -+ -+/* The maximum number of bytes that can be copied by a straight-line -+ implementation of movmemsi; see riscv_block_move_straight. We want -+ to make sure that any loop-based implementation will iterate at -+ least twice. */ -+#define RISCV_MAX_MOVE_BYTES_STRAIGHT (RISCV_MAX_MOVE_BYTES_PER_LOOP_ITER * 2) -+ -+/* The base cost of a memcpy call, for MOVE_RATIO and friends. */ -+ -+#define RISCV_CALL_RATIO 6 -+ -+/* Any loop-based implementation of movmemsi will have at least -+ RISCV_MAX_MOVE_BYTES_STRAIGHT / UNITS_PER_WORD memory-to-memory -+ moves, so allow individual copies of fewer elements. -+ -+ When movmemsi is not available, use a value approximating -+ the length of a memcpy call sequence, so that move_by_pieces -+ will generate inline code if it is shorter than a function call. -+ Since move_by_pieces_ninsns counts memory-to-memory moves, but -+ we'll have to generate a load/store pair for each, halve the -+ value of RISCV_CALL_RATIO to take that into account. */ -+ -+#define MOVE_RATIO(speed) \ -+ (HAVE_movmemsi \ -+ ? RISCV_MAX_MOVE_BYTES_STRAIGHT / MOVE_MAX \ -+ : RISCV_CALL_RATIO / 2) -+ -+/* movmemsi is meant to generate code that is at least as good as -+ move_by_pieces. However, movmemsi effectively uses a by-pieces -+ implementation both for moves smaller than a word and for word-aligned -+ moves of no more than RISCV_MAX_MOVE_BYTES_STRAIGHT bytes. We should -+ allow the tree-level optimisers to do such moves by pieces, as it -+ often exposes other optimization opportunities. We might as well -+ continue to use movmemsi at the rtl level though, as it produces -+ better code when scheduling is disabled (such as at -O). */ -+ -+#define MOVE_BY_PIECES_P(SIZE, ALIGN) \ -+ (HAVE_movmemsi \ -+ ? (!currently_expanding_to_rtl \ -+ && ((ALIGN) < BITS_PER_WORD \ -+ ? (SIZE) < UNITS_PER_WORD \ -+ : (SIZE) <= RISCV_MAX_MOVE_BYTES_STRAIGHT)) \ -+ : (move_by_pieces_ninsns (SIZE, ALIGN, MOVE_MAX_PIECES + 1) \ -+ < (unsigned int) MOVE_RATIO (false))) -+ -+/* For CLEAR_RATIO, when optimizing for size, give a better estimate -+ of the length of a memset call, but use the default otherwise. */ -+ -+#define CLEAR_RATIO(speed)\ -+ ((speed) ? 15 : RISCV_CALL_RATIO) -+ -+/* This is similar to CLEAR_RATIO, but for a non-zero constant, so when -+ optimizing for size adjust the ratio to account for the overhead of -+ loading the constant and replicating it across the word. */ -+ -+#define SET_RATIO(speed) \ -+ ((speed) ? 15 : RISCV_CALL_RATIO - 2) -+ -+/* STORE_BY_PIECES_P can be used when copying a constant string, but -+ in that case each word takes 3 insns (lui, ori, sw), or more in -+ 64-bit mode, instead of 2 (lw, sw). For now we always fail this -+ and let the move_by_pieces code copy the string from read-only -+ memory. In the future, this could be tuned further for multi-issue -+ CPUs that can issue stores down one pipe and arithmetic instructions -+ down another; in that case, the lui/ori/sw combination would be a -+ win for long enough strings. */ -+ -+#define STORE_BY_PIECES_P(SIZE, ALIGN) 0 -+ -+#ifndef HAVE_AS_TLS -+#define HAVE_AS_TLS 0 -+#endif -+ -+#ifndef USED_FOR_TARGET -+ -+extern const enum reg_class riscv_regno_to_class[]; -+extern bool riscv_hard_regno_mode_ok[][FIRST_PSEUDO_REGISTER]; -+extern const char* riscv_hi_relocs[]; -+#endif -+ -+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ -+ (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) -diff -urN original-gcc/gcc/config/riscv/riscv.md gcc/gcc/config/riscv/riscv.md ---- original-gcc/gcc/config/riscv/riscv.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv.md 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,2423 @@ -+;; Machine description for RISC-V for GNU compiler. -+;; Copyright (C) 2011-2014 Free Software Foundation, Inc. -+;; Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+;; Based on MIPS target for GNU compiler. -+ -+;; This file is part of GCC. -+ -+;; GCC is free software; you can redistribute it and/or modify -+;; it under the terms of the GNU General Public License as published by -+;; the Free Software Foundation; either version 3, or (at your option) -+;; any later version. -+ -+;; GCC is distributed in the hope that it will be useful, -+;; but WITHOUT ANY WARRANTY; without even the implied warranty of -+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+;; GNU General Public License for more details. -+ -+;; You should have received a copy of the GNU General Public License -+;; along with GCC; see the file COPYING3. If not see -+;; <http://www.gnu.org/licenses/>. -+ -+(define_c_enum "unspec" [ -+ ;; Floating-point moves. -+ UNSPEC_LOAD_LOW -+ UNSPEC_LOAD_HIGH -+ UNSPEC_STORE_WORD -+ -+ ;; GP manipulation. -+ UNSPEC_EH_RETURN -+ -+ ;; Symbolic accesses. -+ UNSPEC_ADDRESS_FIRST -+ UNSPEC_LOAD_GOT -+ UNSPEC_TLS -+ UNSPEC_TLS_LE -+ UNSPEC_TLS_IE -+ UNSPEC_TLS_GD -+ -+ ;; Blockage and synchronisation. -+ UNSPEC_BLOCKAGE -+ UNSPEC_FENCE -+ UNSPEC_FENCE_I -+]) -+ -+(define_constants -+ [(RETURN_ADDR_REGNUM 1) -+]) -+ -+(include "predicates.md") -+(include "constraints.md") -+ -+;; .................... -+;; -+;; Attributes -+;; -+;; .................... -+ -+(define_attr "got" "unset,xgot_high,load" -+ (const_string "unset")) -+ -+;; For jal instructions, this attribute is DIRECT when the target address -+;; is symbolic and INDIRECT when it is a register. -+(define_attr "jal" "unset,direct,indirect" -+ (const_string "unset")) -+ -+;; Classification of moves, extensions and truncations. Most values -+;; are as for "type" (see below) but there are also the following -+;; move-specific values: -+;; -+;; andi a single ANDI instruction -+;; shift_shift a shift left followed by a shift right -+;; -+;; This attribute is used to determine the instruction's length and -+;; scheduling type. For doubleword moves, the attribute always describes -+;; the split instructions; in some cases, it is more appropriate for the -+;; scheduling type to be "multi" instead. -+(define_attr "move_type" -+ "unknown,load,fpload,store,fpstore,mtc,mfc,move,fmove, -+ const,logical,arith,andi,shift_shift" -+ (const_string "unknown")) -+ -+(define_attr "alu_type" "unknown,add,sub,and,or,xor" -+ (const_string "unknown")) -+ -+;; Main data type used by the insn -+(define_attr "mode" "unknown,none,QI,HI,SI,DI,TI,SF,DF,TF,FPSW" -+ (const_string "unknown")) -+ -+;; True if the main data type is twice the size of a word. -+(define_attr "dword_mode" "no,yes" -+ (cond [(and (eq_attr "mode" "DI,DF") -+ (eq (symbol_ref "TARGET_64BIT") (const_int 0))) -+ (const_string "yes") -+ -+ (and (eq_attr "mode" "TI,TF") -+ (ne (symbol_ref "TARGET_64BIT") (const_int 0))) -+ (const_string "yes")] -+ (const_string "no"))) -+ -+;; Classification of each insn. -+;; branch conditional branch -+;; jump unconditional jump -+;; call unconditional call -+;; load load instruction(s) -+;; fpload floating point load -+;; fpidxload floating point indexed load -+;; store store instruction(s) -+;; fpstore floating point store -+;; fpidxstore floating point indexed store -+;; mtc transfer to coprocessor -+;; mfc transfer from coprocessor -+;; const load constant -+;; arith integer arithmetic instructions -+;; logical integer logical instructions -+;; shift integer shift instructions -+;; slt set less than instructions -+;; imul integer multiply -+;; idiv integer divide -+;; move integer register move (addi rd, rs1, 0) -+;; fmove floating point register move -+;; fadd floating point add/subtract -+;; fmul floating point multiply -+;; fmadd floating point multiply-add -+;; fdiv floating point divide -+;; fcmp floating point compare -+;; fcvt floating point convert -+;; fsqrt floating point square root -+;; multi multiword sequence (or user asm statements) -+;; nop no operation -+;; ghost an instruction that produces no real code -+(define_attr "type" -+ "unknown,branch,jump,call,load,fpload,fpidxload,store,fpstore,fpidxstore, -+ mtc,mfc,const,arith,logical,shift,slt,imul,idiv,move,fmove,fadd,fmul, -+ fmadd,fdiv,fcmp,fcvt,fsqrt,multi,nop,ghost" -+ (cond [(eq_attr "jal" "!unset") (const_string "call") -+ (eq_attr "got" "load") (const_string "load") -+ -+ (eq_attr "alu_type" "add,sub") (const_string "arith") -+ -+ (eq_attr "alu_type" "and,or,xor") (const_string "logical") -+ -+ ;; If a doubleword move uses these expensive instructions, -+ ;; it is usually better to schedule them in the same way -+ ;; as the singleword form, rather than as "multi". -+ (eq_attr "move_type" "load") (const_string "load") -+ (eq_attr "move_type" "fpload") (const_string "fpload") -+ (eq_attr "move_type" "store") (const_string "store") -+ (eq_attr "move_type" "fpstore") (const_string "fpstore") -+ (eq_attr "move_type" "mtc") (const_string "mtc") -+ (eq_attr "move_type" "mfc") (const_string "mfc") -+ -+ ;; These types of move are always single insns. -+ (eq_attr "move_type" "fmove") (const_string "fmove") -+ (eq_attr "move_type" "arith") (const_string "arith") -+ (eq_attr "move_type" "logical") (const_string "logical") -+ (eq_attr "move_type" "andi") (const_string "logical") -+ -+ ;; These types of move are always split. -+ (eq_attr "move_type" "shift_shift") -+ (const_string "multi") -+ -+ ;; These types of move are split for doubleword modes only. -+ (and (eq_attr "move_type" "move,const") -+ (eq_attr "dword_mode" "yes")) -+ (const_string "multi") -+ (eq_attr "move_type" "move") (const_string "move") -+ (eq_attr "move_type" "const") (const_string "const")] -+ (const_string "unknown"))) -+ -+;; Mode for conversion types (fcvt) -+;; I2S integer to float single (SI/DI to SF) -+;; I2D integer to float double (SI/DI to DF) -+;; S2I float to integer (SF to SI/DI) -+;; D2I float to integer (DF to SI/DI) -+;; D2S double to float single -+;; S2D float single to double -+ -+(define_attr "cnv_mode" "unknown,I2S,I2D,S2I,D2I,D2S,S2D" -+ (const_string "unknown")) -+ -+;; Length of instruction in bytes. -+(define_attr "length" "" -+ (cond [ -+ ;; Direct branch instructions have a range of [-0x1000,0xffc], -+ ;; relative to the address of the delay slot. If a branch is -+ ;; outside this range, convert a branch like: -+ ;; -+ ;; bne r1,r2,target -+ ;; -+ ;; to: -+ ;; -+ ;; beq r1,r2,1f -+ ;; j target -+ ;; 1: -+ ;; -+ (eq_attr "type" "branch") -+ (if_then_else (and (le (minus (match_dup 0) (pc)) (const_int 4088)) -+ (le (minus (pc) (match_dup 0)) (const_int 4092))) -+ (const_int 4) -+ (const_int 8)) -+ -+ ;; Conservatively assume calls take two instructions, as in: -+ ;; auipc t0, %pcrel_hi(target) -+ ;; jalr ra, t0, %lo(target) -+ ;; The linker will relax these into JAL when appropriate. -+ (eq_attr "type" "call") -+ (const_int 8) -+ -+ ;; "Ghost" instructions occupy no space. -+ (eq_attr "type" "ghost") -+ (const_int 0) -+ -+ (eq_attr "got" "load") (const_int 8) -+ -+ ;; SHIFT_SHIFTs are decomposed into two separate instructions. -+ (eq_attr "move_type" "shift_shift") -+ (const_int 8) -+ -+ ;; Check for doubleword moves that are decomposed into two -+ ;; instructions. -+ (and (eq_attr "move_type" "mtc,mfc,move") -+ (eq_attr "dword_mode" "yes")) -+ (const_int 8) -+ -+ ;; Doubleword CONST{,N} moves are split into two word -+ ;; CONST{,N} moves. -+ (and (eq_attr "move_type" "const") -+ (eq_attr "dword_mode" "yes")) -+ (symbol_ref "riscv_split_const_insns (operands[1]) * 4") -+ -+ ;; Otherwise, constants, loads and stores are handled by external -+ ;; routines. -+ (eq_attr "move_type" "load,fpload") -+ (symbol_ref "riscv_load_store_insns (operands[1], insn) * 4") -+ (eq_attr "move_type" "store,fpstore") -+ (symbol_ref "riscv_load_store_insns (operands[0], insn) * 4") -+ ] (const_int 4))) -+ -+;; Describe a user's asm statement. -+(define_asm_attributes -+ [(set_attr "type" "multi")]) -+ -+;; This mode iterator allows 32-bit and 64-bit GPR patterns to be generated -+;; from the same template. -+(define_mode_iterator GPR [SI (DI "TARGET_64BIT")]) -+(define_mode_iterator SUPERQI [HI SI (DI "TARGET_64BIT")]) -+ -+;; A copy of GPR that can be used when a pattern has two independent -+;; modes. -+(define_mode_iterator GPR2 [SI (DI "TARGET_64BIT")]) -+ -+;; This mode iterator allows :P to be used for patterns that operate on -+;; pointer-sized quantities. Exactly one of the two alternatives will match. -+(define_mode_iterator P [(SI "Pmode == SImode") (DI "Pmode == DImode")]) -+ -+;; 32-bit integer moves for which we provide move patterns. -+(define_mode_iterator IMOVE32 [SI]) -+ -+;; 64-bit modes for which we provide move patterns. -+(define_mode_iterator MOVE64 [DI DF]) -+ -+;; 128-bit modes for which we provide move patterns on 64-bit targets. -+(define_mode_iterator MOVE128 [TI TF]) -+ -+;; This mode iterator allows the QI and HI extension patterns to be -+;; defined from the same template. -+(define_mode_iterator SHORT [QI HI]) -+ -+;; Likewise the 64-bit truncate-and-shift patterns. -+(define_mode_iterator SUBDI [QI HI SI]) -+(define_mode_iterator HISI [HI SI]) -+(define_mode_iterator ANYI [QI HI SI (DI "TARGET_64BIT")]) -+ -+;; This mode iterator allows :ANYF to be used wherever a scalar or vector -+;; floating-point mode is allowed. -+(define_mode_iterator ANYF [(SF "TARGET_HARD_FLOAT") -+ (DF "TARGET_HARD_FLOAT")]) -+(define_mode_iterator ANYIF [QI HI SI (DI "TARGET_64BIT") -+ (SF "TARGET_HARD_FLOAT") -+ (DF "TARGET_HARD_FLOAT")]) -+ -+;; Like ANYF, but only applies to scalar modes. -+(define_mode_iterator SCALARF [(SF "TARGET_HARD_FLOAT") -+ (DF "TARGET_HARD_FLOAT")]) -+ -+;; A floating-point mode for which moves involving FPRs may need to be split. -+(define_mode_iterator SPLITF -+ [(DF "!TARGET_64BIT") -+ (DI "!TARGET_64BIT") -+ (TF "TARGET_64BIT")]) -+ -+;; This attribute gives the length suffix for a sign- or zero-extension -+;; instruction. -+(define_mode_attr size [(QI "b") (HI "h")]) -+ -+;; Mode attributes for loads. -+(define_mode_attr load [(QI "lb") (HI "lh") (SI "lw") (DI "ld") (SF "flw") (DF "fld")]) -+ -+;; Instruction names for stores. -+(define_mode_attr store [(QI "sb") (HI "sh") (SI "sw") (DI "sd") (SF "fsw") (DF "fsd")]) -+ -+;; This attribute gives the best constraint to use for registers of -+;; a given mode. -+(define_mode_attr reg [(SI "d") (DI "d") (CC "d")]) -+ -+;; This attribute gives the format suffix for floating-point operations. -+(define_mode_attr fmt [(SF "s") (DF "d")]) -+ -+;; This attribute gives the format suffix for atomic memory operations. -+(define_mode_attr amo [(SI "w") (DI "d")]) -+ -+;; This attribute gives the upper-case mode name for one unit of a -+;; floating-point mode. -+(define_mode_attr UNITMODE [(SF "SF") (DF "DF")]) -+ -+;; This attribute gives the integer mode that has half the size of -+;; the controlling mode. -+(define_mode_attr HALFMODE [(DF "SI") (DI "SI") (TF "DI")]) -+ -+;; This code iterator allows signed and unsigned widening multiplications -+;; to use the same template. -+(define_code_iterator any_extend [sign_extend zero_extend]) -+ -+;; This code iterator allows the two right shift instructions to be -+;; generated from the same template. -+(define_code_iterator any_shiftrt [ashiftrt lshiftrt]) -+ -+;; This code iterator allows the three shift instructions to be generated -+;; from the same template. -+(define_code_iterator any_shift [ashift ashiftrt lshiftrt]) -+ -+;; This code iterator allows unsigned and signed division to be generated -+;; from the same template. -+(define_code_iterator any_div [div udiv]) -+ -+;; This code iterator allows unsigned and signed modulus to be generated -+;; from the same template. -+(define_code_iterator any_mod [mod umod]) -+ -+;; These code iterators allow the signed and unsigned scc operations to use -+;; the same template. -+(define_code_iterator any_gt [gt gtu]) -+(define_code_iterator any_ge [ge geu]) -+(define_code_iterator any_lt [lt ltu]) -+(define_code_iterator any_le [le leu]) -+ -+;; <u> expands to an empty string when doing a signed operation and -+;; "u" when doing an unsigned operation. -+(define_code_attr u [(sign_extend "") (zero_extend "u") -+ (div "") (udiv "u") -+ (mod "") (umod "u") -+ (gt "") (gtu "u") -+ (ge "") (geu "u") -+ (lt "") (ltu "u") -+ (le "") (leu "u")]) -+ -+;; <su> is like <u>, but the signed form expands to "s" rather than "". -+(define_code_attr su [(sign_extend "s") (zero_extend "u")]) -+ -+;; <optab> expands to the name of the optab for a particular code. -+(define_code_attr optab [(ashift "ashl") -+ (ashiftrt "ashr") -+ (lshiftrt "lshr") -+ (ior "ior") -+ (xor "xor") -+ (and "and") -+ (plus "add") -+ (minus "sub")]) -+ -+;; <insn> expands to the name of the insn that implements a particular code. -+(define_code_attr insn [(ashift "sll") -+ (ashiftrt "sra") -+ (lshiftrt "srl") -+ (ior "or") -+ (xor "xor") -+ (and "and") -+ (plus "add") -+ (minus "sub")]) -+ -+;; Pipeline descriptions. -+;; -+;; generic.md provides a fallback for processors without a specific -+;; pipeline description. It is derived from the old define_function_unit -+;; version and uses the "alu" and "imuldiv" units declared below. -+;; -+;; Some of the processor-specific files are also derived from old -+;; define_function_unit descriptions and simply override the parts of -+;; generic.md that don't apply. The other processor-specific files -+;; are self-contained. -+(define_automaton "alu,imuldiv") -+ -+(define_cpu_unit "alu" "alu") -+(define_cpu_unit "imuldiv" "imuldiv") -+ -+;; Ghost instructions produce no real code and introduce no hazards. -+;; They exist purely to express an effect on dataflow. -+(define_insn_reservation "ghost" 0 -+ (eq_attr "type" "ghost") -+ "nothing") -+ -+(include "generic.md") -+ -+;; -+;; .................... -+;; -+;; ADDITION -+;; -+;; .................... -+;; -+ -+(define_insn "add<mode>3" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (plus:ANYF (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f")))] -+ "" -+ "fadd.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_expand "add<mode>3" -+ [(set (match_operand:GPR 0 "register_operand") -+ (plus:GPR (match_operand:GPR 1 "register_operand") -+ (match_operand:GPR 2 "arith_operand")))] -+ "") -+ -+(define_insn "*addsi3" -+ [(set (match_operand:SI 0 "register_operand" "=r,r") -+ (plus:SI (match_operand:GPR 1 "register_operand" "r,r") -+ (match_operand:GPR2 2 "arith_operand" "r,Q")))] -+ "" -+ { return TARGET_64BIT ? "addw\t%0,%1,%2" : "add\t%0,%1,%2"; } -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*adddi3" -+ [(set (match_operand:DI 0 "register_operand" "=r,r") -+ (plus:DI (match_operand:DI 1 "register_operand" "r,r") -+ (match_operand:DI 2 "arith_operand" "r,Q")))] -+ "TARGET_64BIT" -+ "add\t%0,%1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "*addsi3_extended" -+ [(set (match_operand:DI 0 "register_operand" "=r,r") -+ (sign_extend:DI -+ (plus:SI (match_operand:SI 1 "register_operand" "r,r") -+ (match_operand:SI 2 "arith_operand" "r,Q"))))] -+ "TARGET_64BIT" -+ "addw\t%0,%1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*adddisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r,r") -+ (plus:SI (truncate:SI (match_operand:DI 1 "register_operand" "r,r")) -+ (truncate:SI (match_operand:DI 2 "arith_operand" "r,Q"))))] -+ "TARGET_64BIT" -+ "addw\t%0,%1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*adddisisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r,r") -+ (plus:SI (truncate:SI (match_operand:DI 1 "register_operand" "r,r")) -+ (match_operand:SI 2 "arith_operand" "r,Q")))] -+ "TARGET_64BIT" -+ "addw\t%0,%1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*adddi3_truncsi" -+ [(set (match_operand:SI 0 "register_operand" "=r,r") -+ (truncate:SI -+ (plus:DI (match_operand:DI 1 "register_operand" "r,r") -+ (match_operand:DI 2 "arith_operand" "r,Q"))))] -+ "TARGET_64BIT" -+ "addw\t%0,%1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+;; -+;; .................... -+;; -+;; SUBTRACTION -+;; -+;; .................... -+;; -+ -+(define_insn "sub<mode>3" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (minus:ANYF (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f")))] -+ "" -+ "fsub.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_expand "sub<mode>3" -+ [(set (match_operand:GPR 0 "register_operand") -+ (minus:GPR (match_operand:GPR 1 "reg_or_0_operand") -+ (match_operand:GPR 2 "register_operand")))] -+ "") -+ -+(define_insn "*subdi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (minus:DI (match_operand:DI 1 "reg_or_0_operand" "rJ") -+ (match_operand:DI 2 "register_operand" "r")))] -+ "TARGET_64BIT" -+ "sub\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "*subsi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (minus:SI (match_operand:GPR 1 "reg_or_0_operand" "rJ") -+ (match_operand:GPR2 2 "register_operand" "r")))] -+ "" -+ { return TARGET_64BIT ? "subw\t%0,%z1,%2" : "sub\t%0,%z1,%2"; } -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*subsi3_extended" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (sign_extend:DI -+ (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") -+ (match_operand:SI 2 "register_operand" "r"))))] -+ "TARGET_64BIT" -+ "subw\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "*subdisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (minus:SI (truncate:SI (match_operand:DI 1 "reg_or_0_operand" "rJ")) -+ (truncate:SI (match_operand:DI 2 "register_operand" "r"))))] -+ "TARGET_64BIT" -+ "subw\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*subdisisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (minus:SI (truncate:SI (match_operand:DI 1 "reg_or_0_operand" "rJ")) -+ (match_operand:SI 2 "register_operand" "r")))] -+ "TARGET_64BIT" -+ "subw\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*subsidisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (minus:SI (match_operand:SI 1 "reg_or_0_operand" "rJ") -+ (truncate:SI (match_operand:DI 2 "register_operand" "r"))))] -+ "TARGET_64BIT" -+ "subw\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*subdi3_truncsi" -+ [(set (match_operand:SI 0 "register_operand" "=r,r") -+ (truncate:SI -+ (minus:DI (match_operand:DI 1 "reg_or_0_operand" "rJ,r") -+ (match_operand:DI 2 "arith_operand" "r,Q"))))] -+ "TARGET_64BIT" -+ "subw\t%0,%z1,%2" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "SI")]) -+ -+;; -+;; .................... -+;; -+;; MULTIPLICATION -+;; -+;; .................... -+;; -+ -+(define_insn "mul<mode>3" -+ [(set (match_operand:SCALARF 0 "register_operand" "=f") -+ (mult:SCALARF (match_operand:SCALARF 1 "register_operand" "f") -+ (match_operand:SCALARF 2 "register_operand" "f")))] -+ "" -+ "fmul.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fmul") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_expand "mul<mode>3" -+ [(set (match_operand:GPR 0 "register_operand") -+ (mult:GPR (match_operand:GPR 1 "reg_or_0_operand") -+ (match_operand:GPR 2 "register_operand")))] -+ "TARGET_MULDIV") -+ -+(define_insn "*mulsi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (mult:SI (match_operand:GPR 1 "register_operand" "r") -+ (match_operand:GPR2 2 "register_operand" "r")))] -+ "TARGET_MULDIV" -+ { return TARGET_64BIT ? "mulw\t%0,%1,%2" : "mul\t%0,%1,%2"; } -+ [(set_attr "type" "imul") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*muldisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (mult:SI (truncate:SI (match_operand:DI 1 "register_operand" "r")) -+ (truncate:SI (match_operand:DI 2 "register_operand" "r"))))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "mulw\t%0,%1,%2" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*muldi3_truncsi" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (truncate:SI -+ (mult:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "register_operand" "r"))))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "mulw\t%0,%1,%2" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*muldi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (mult:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "register_operand" "r")))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "mul\t%0,%1,%2" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "DI")]) -+ -+;; -+;; ........................ -+;; -+;; MULTIPLICATION HIGH-PART -+;; -+;; ........................ -+;; -+ -+ -+;; Using a clobber here is ghetto, but I'm not smart enough to do better. ' -+(define_insn_and_split "<u>mulditi3" -+ [(set (match_operand:TI 0 "register_operand" "=r") -+ (mult:TI (any_extend:TI -+ (match_operand:DI 1 "register_operand" "r")) -+ (any_extend:TI -+ (match_operand:DI 2 "register_operand" "r")))) -+ (clobber (match_scratch:DI 3 "=r"))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "#" -+ "reload_completed" -+ [ -+ (set (match_dup 3) (mult:DI (match_dup 1) (match_dup 2))) -+ (set (match_dup 4) (truncate:DI -+ (lshiftrt:TI -+ (mult:TI (any_extend:TI (match_dup 1)) -+ (any_extend:TI (match_dup 2))) -+ (const_int 64)))) -+ (set (match_dup 5) (match_dup 3)) -+ ] -+{ -+ operands[4] = riscv_subword (operands[0], true); -+ operands[5] = riscv_subword (operands[0], false); -+} -+ ) -+ -+(define_insn "<u>muldi3_highpart" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (truncate:DI -+ (lshiftrt:TI -+ (mult:TI (any_extend:TI -+ (match_operand:DI 1 "register_operand" "r")) -+ (any_extend:TI -+ (match_operand:DI 2 "register_operand" "r"))) -+ (const_int 64))))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "mulh<u>\t%0,%1,%2" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "DI")]) -+ -+ -+(define_insn_and_split "usmulditi3" -+ [(set (match_operand:TI 0 "register_operand" "=r") -+ (mult:TI (zero_extend:TI -+ (match_operand:DI 1 "register_operand" "r")) -+ (sign_extend:TI -+ (match_operand:DI 2 "register_operand" "r")))) -+ (clobber (match_scratch:DI 3 "=r"))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "#" -+ "reload_completed" -+ [ -+ (set (match_dup 3) (mult:DI (match_dup 1) (match_dup 2))) -+ (set (match_dup 4) (truncate:DI -+ (lshiftrt:TI -+ (mult:TI (zero_extend:TI (match_dup 1)) -+ (sign_extend:TI (match_dup 2))) -+ (const_int 64)))) -+ (set (match_dup 5) (match_dup 3)) -+ ] -+{ -+ operands[4] = riscv_subword (operands[0], true); -+ operands[5] = riscv_subword (operands[0], false); -+} -+ ) -+ -+(define_insn "usmuldi3_highpart" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (truncate:DI -+ (lshiftrt:TI -+ (mult:TI (zero_extend:TI -+ (match_operand:DI 1 "register_operand" "r")) -+ (sign_extend:TI -+ (match_operand:DI 2 "register_operand" "r"))) -+ (const_int 64))))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "mulhsu\t%0,%2,%1" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "DI")]) -+ -+(define_expand "<u>mulsidi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (mult:DI (any_extend:DI -+ (match_operand:SI 1 "register_operand" "r")) -+ (any_extend:DI -+ (match_operand:SI 2 "register_operand" "r")))) -+ (clobber (match_scratch:SI 3 "=r"))] -+ "TARGET_MULDIV && !TARGET_64BIT" -+{ -+ rtx temp = gen_reg_rtx (SImode); -+ emit_insn (gen_mulsi3 (temp, operands[1], operands[2])); -+ emit_insn (gen_<u>mulsi3_highpart (riscv_subword (operands[0], true), -+ operands[1], operands[2])); -+ emit_insn (gen_movsi (riscv_subword (operands[0], false), temp)); -+ DONE; -+} -+ ) -+ -+(define_insn "<u>mulsi3_highpart" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (truncate:SI -+ (lshiftrt:DI -+ (mult:DI (any_extend:DI -+ (match_operand:SI 1 "register_operand" "r")) -+ (any_extend:DI -+ (match_operand:SI 2 "register_operand" "r"))) -+ (const_int 32))))] -+ "TARGET_MULDIV && !TARGET_64BIT" -+ "mulh<u>\t%0,%1,%2" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "SI")]) -+ -+ -+(define_expand "usmulsidi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (mult:DI (zero_extend:DI -+ (match_operand:SI 1 "register_operand" "r")) -+ (sign_extend:DI -+ (match_operand:SI 2 "register_operand" "r")))) -+ (clobber (match_scratch:SI 3 "=r"))] -+ "TARGET_MULDIV && !TARGET_64BIT" -+{ -+ rtx temp = gen_reg_rtx (SImode); -+ emit_insn (gen_mulsi3 (temp, operands[1], operands[2])); -+ emit_insn (gen_usmulsi3_highpart (riscv_subword (operands[0], true), -+ operands[1], operands[2])); -+ emit_insn (gen_movsi (riscv_subword (operands[0], false), temp)); -+ DONE; -+} -+ ) -+ -+(define_insn "usmulsi3_highpart" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (truncate:SI -+ (lshiftrt:DI -+ (mult:DI (zero_extend:DI -+ (match_operand:SI 1 "register_operand" "r")) -+ (sign_extend:DI -+ (match_operand:SI 2 "register_operand" "r"))) -+ (const_int 32))))] -+ "TARGET_MULDIV && !TARGET_64BIT" -+ "mulhsu\t%0,%2,%1" -+ [(set_attr "type" "imul") -+ (set_attr "mode" "SI")]) -+ -+;; -+;; .................... -+;; -+;; DIVISION and REMAINDER -+;; -+;; .................... -+;; -+ -+(define_insn "<u>divsi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (any_div:SI (match_operand:SI 1 "register_operand" "r") -+ (match_operand:SI 2 "register_operand" "r")))] -+ "TARGET_MULDIV" -+ { return TARGET_64BIT ? "div<u>w\t%0,%1,%2" : "div<u>\t%0,%1,%2"; } -+ [(set_attr "type" "idiv") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "<u>divdi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (any_div:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "register_operand" "r")))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "div<u>\t%0,%1,%2" -+ [(set_attr "type" "idiv") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "<u>modsi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (any_mod:SI (match_operand:SI 1 "register_operand" "r") -+ (match_operand:SI 2 "register_operand" "r")))] -+ "TARGET_MULDIV" -+ { return TARGET_64BIT ? "rem<u>w\t%0,%1,%2" : "rem<u>\t%0,%1,%2"; } -+ [(set_attr "type" "idiv") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "<u>moddi3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (any_mod:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "register_operand" "r")))] -+ "TARGET_MULDIV && TARGET_64BIT" -+ "rem<u>\t%0,%1,%2" -+ [(set_attr "type" "idiv") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "div<mode>3" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (div:ANYF (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_FDIV" -+ "fdiv.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fdiv") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+;; -+;; .................... -+;; -+;; SQUARE ROOT -+;; -+;; .................... -+ -+(define_insn "sqrt<mode>2" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (sqrt:ANYF (match_operand:ANYF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_FDIV" -+{ -+ return "fsqrt.<fmt>\t%0,%1"; -+} -+ [(set_attr "type" "fsqrt") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+;; Floating point multiply accumulate instructions. -+ -+(define_insn "fma<mode>4" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (fma:ANYF -+ (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f") -+ (match_operand:ANYF 3 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fmadd.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "fms<mode>4" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (fma:ANYF -+ (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f") -+ (neg:ANYF (match_operand:ANYF 3 "register_operand" "f"))))] -+ "TARGET_HARD_FLOAT" -+ "fmsub.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "nfma<mode>4" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (neg:ANYF -+ (fma:ANYF -+ (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f") -+ (match_operand:ANYF 3 "register_operand" "f"))))] -+ "TARGET_HARD_FLOAT" -+ "fnmadd.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "nfms<mode>4" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (neg:ANYF -+ (fma:ANYF -+ (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f") -+ (neg:ANYF (match_operand:ANYF 3 "register_operand" "f")))))] -+ "TARGET_HARD_FLOAT" -+ "fnmsub.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+;; modulo signed zeros, -(a*b+c) == -c-a*b -+(define_insn "*nfma<mode>4_fastmath" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (minus:ANYF -+ (match_operand:ANYF 3 "register_operand" "f") -+ (mult:ANYF -+ (neg:ANYF (match_operand:ANYF 1 "register_operand" "f")) -+ (match_operand:ANYF 2 "register_operand" "f"))))] -+ "TARGET_HARD_FLOAT && !HONOR_SIGNED_ZEROS (<MODE>mode)" -+ "fnmadd.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+;; modulo signed zeros, -(a*b-c) == c-a*b -+(define_insn "*nfms<mode>4_fastmath" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (minus:ANYF -+ (match_operand:ANYF 3 "register_operand" "f") -+ (mult:ANYF -+ (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f"))))] -+ "TARGET_HARD_FLOAT && !HONOR_SIGNED_ZEROS (<MODE>mode)" -+ "fnmsub.<fmt>\t%0,%1,%2,%3" -+ [(set_attr "type" "fmadd") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+;; -+;; .................... -+;; -+;; ABSOLUTE VALUE -+;; -+;; .................... -+ -+(define_insn "abs<mode>2" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (abs:ANYF (match_operand:ANYF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fabs.<fmt>\t%0,%1" -+ [(set_attr "type" "fmove") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+ -+;; -+;; .................... -+;; -+;; MIN/MAX -+;; -+;; .................... -+ -+(define_insn "smin<mode>3" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (smin:ANYF (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fmin.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fmove") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "smax<mode>3" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (smax:ANYF (match_operand:ANYF 1 "register_operand" "f") -+ (match_operand:ANYF 2 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fmax.<fmt>\t%0,%1,%2" -+ [(set_attr "type" "fmove") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+ -+;; -+;; .................... -+;; -+;; NEGATION and ONE'S COMPLEMENT ' -+;; -+;; .................... -+ -+(define_insn "neg<mode>2" -+ [(set (match_operand:ANYF 0 "register_operand" "=f") -+ (neg:ANYF (match_operand:ANYF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fneg.<fmt>\t%0,%1" -+ [(set_attr "type" "fmove") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "one_cmpl<mode>2" -+ [(set (match_operand:GPR 0 "register_operand" "=r") -+ (not:GPR (match_operand:GPR 1 "register_operand" "r")))] -+ "" -+ "not\t%0,%1" -+ [(set_attr "type" "logical") -+ (set_attr "mode" "<MODE>")]) -+ -+;; -+;; .................... -+;; -+;; LOGICAL -+;; -+;; .................... -+;; -+ -+(define_insn "and<mode>3" -+ [(set (match_operand:GPR 0 "register_operand" "=r,r") -+ (and:GPR (match_operand:GPR 1 "register_operand" "%r,r") -+ (match_operand:GPR 2 "arith_operand" "r,Q")))] -+ "" -+ "and\t%0,%1,%2" -+ [(set_attr "type" "logical") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "ior<mode>3" -+ [(set (match_operand:GPR 0 "register_operand" "=r,r") -+ (ior:GPR (match_operand:GPR 1 "register_operand" "%r,r") -+ (match_operand:GPR 2 "arith_operand" "r,Q")))] -+ "" -+ "or\t%0,%1,%2" -+ [(set_attr "type" "logical") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "xor<mode>3" -+ [(set (match_operand:GPR 0 "register_operand" "=r,r") -+ (xor:GPR (match_operand:GPR 1 "register_operand" "%r,r") -+ (match_operand:GPR 2 "arith_operand" "r,Q")))] -+ "" -+ "xor\t%0,%1,%2" -+ [(set_attr "type" "logical") -+ (set_attr "mode" "<MODE>")]) -+ -+;; -+;; .................... -+;; -+;; TRUNCATION -+;; -+;; .................... -+ -+(define_insn "truncdfsf2" -+ [(set (match_operand:SF 0 "register_operand" "=f") -+ (float_truncate:SF (match_operand:DF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.s.d\t%0,%1" -+ [(set_attr "type" "fcvt") -+ (set_attr "cnv_mode" "D2S") -+ (set_attr "mode" "SF")]) -+ -+;; Integer truncation patterns. Truncating to HImode/QImode is a no-op. -+;; Truncating from DImode to SImode is not, because we always keep SImode -+;; values sign-extended in a register so we can safely use DImode branches -+;; and comparisons on SImode values. -+ -+(define_insn "truncdisi2" -+ [(set (match_operand:SI 0 "nonimmediate_operand" "=r,m") -+ (truncate:SI (match_operand:DI 1 "register_operand" "r,r")))] -+ "TARGET_64BIT" -+ "@ -+ sext.w\t%0,%1 -+ sw\t%1,%0" -+ [(set_attr "move_type" "arith,store") -+ (set_attr "mode" "SI")]) -+ -+;; Combiner patterns to optimize shift/truncate combinations. -+ -+(define_insn "*ashr_trunc<mode>" -+ [(set (match_operand:SUBDI 0 "register_operand" "=r") -+ (truncate:SUBDI -+ (ashiftrt:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "const_arith_operand" ""))))] -+ "TARGET_64BIT && IN_RANGE (INTVAL (operands[2]), 32, 63)" -+ "sra\t%0,%1,%2" -+ [(set_attr "type" "shift") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "*lshr32_trunc<mode>" -+ [(set (match_operand:SUBDI 0 "register_operand" "=r") -+ (truncate:SUBDI -+ (lshiftrt:DI (match_operand:DI 1 "register_operand" "r") -+ (const_int 32))))] -+ "TARGET_64BIT" -+ "sra\t%0,%1,32" -+ [(set_attr "type" "shift") -+ (set_attr "mode" "<MODE>")]) -+ -+;; -+;; .................... -+;; -+;; ZERO EXTENSION -+;; -+;; .................... -+ -+;; Extension insns. -+ -+(define_insn_and_split "zero_extendsidi2" -+ [(set (match_operand:DI 0 "register_operand" "=r,r") -+ (zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "r,W")))] -+ "TARGET_64BIT" -+ "@ -+ # -+ lwu\t%0,%1" -+ "&& reload_completed && REG_P (operands[1])" -+ [(set (match_dup 0) -+ (ashift:DI (match_dup 1) (const_int 32))) -+ (set (match_dup 0) -+ (lshiftrt:DI (match_dup 0) (const_int 32)))] -+ { operands[1] = gen_lowpart (DImode, operands[1]); } -+ [(set_attr "move_type" "shift_shift,load") -+ (set_attr "mode" "DI")]) -+ -+;; Combine is not allowed to convert this insn into a zero_extendsidi2 -+;; because of TRULY_NOOP_TRUNCATION. -+ -+(define_insn_and_split "*clear_upper32" -+ [(set (match_operand:DI 0 "register_operand" "=r,r") -+ (and:DI (match_operand:DI 1 "nonimmediate_operand" "r,W") -+ (const_int 4294967295)))] -+ "TARGET_64BIT" -+{ -+ if (which_alternative == 0) -+ return "#"; -+ -+ operands[1] = gen_lowpart (SImode, operands[1]); -+ return "lwu\t%0,%1"; -+} -+ "&& reload_completed && REG_P (operands[1])" -+ [(set (match_dup 0) -+ (ashift:DI (match_dup 1) (const_int 32))) -+ (set (match_dup 0) -+ (lshiftrt:DI (match_dup 0) (const_int 32)))] -+ "" -+ [(set_attr "move_type" "shift_shift,load") -+ (set_attr "mode" "DI")]) -+ -+(define_insn_and_split "zero_extendhi<GPR:mode>2" -+ [(set (match_operand:GPR 0 "register_operand" "=r,r") -+ (zero_extend:GPR (match_operand:HI 1 "nonimmediate_operand" "r,m")))] -+ "" -+ "@ -+ # -+ lhu\t%0,%1" -+ "&& reload_completed && REG_P (operands[1])" -+ [(set (match_dup 0) -+ (ashift:GPR (match_dup 1) (match_dup 2))) -+ (set (match_dup 0) -+ (lshiftrt:GPR (match_dup 0) (match_dup 2)))] -+ { -+ operands[1] = gen_lowpart (<GPR:MODE>mode, operands[1]); -+ operands[2] = GEN_INT(GET_MODE_BITSIZE(<GPR:MODE>mode) - 16); -+ } -+ [(set_attr "move_type" "shift_shift,load") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "zero_extendqi<SUPERQI:mode>2" -+ [(set (match_operand:SUPERQI 0 "register_operand" "=r,r") -+ (zero_extend:SUPERQI -+ (match_operand:QI 1 "nonimmediate_operand" "r,m")))] -+ "" -+ "@ -+ and\t%0,%1,0xff -+ lbu\t%0,%1" -+ [(set_attr "move_type" "andi,load") -+ (set_attr "mode" "<SUPERQI:MODE>")]) -+ -+;; -+;; .................... -+;; -+;; SIGN EXTENSION -+;; -+;; .................... -+ -+;; Extension insns. -+;; Those for integer source operand are ordered widest source type first. -+ -+;; When TARGET_64BIT, all SImode integer registers should already be in -+;; sign-extended form (see TRULY_NOOP_TRUNCATION and truncdisi2). We can -+;; therefore get rid of register->register instructions if we constrain -+;; the source to be in the same register as the destination. -+;; -+;; The register alternative has type "arith" so that the pre-reload -+;; scheduler will treat it as a move. This reflects what happens if -+;; the register alternative needs a reload. -+(define_insn_and_split "extendsidi2" -+ [(set (match_operand:DI 0 "register_operand" "=r,r") -+ (sign_extend:DI (match_operand:SI 1 "nonimmediate_operand" "r,m")))] -+ "TARGET_64BIT" -+ "@ -+ # -+ lw\t%0,%1" -+ "&& reload_completed && register_operand (operands[1], VOIDmode)" -+ [(set (match_dup 0) (match_dup 1))] -+{ -+ if (REGNO (operands[0]) == REGNO (operands[1])) -+ { -+ emit_note (NOTE_INSN_DELETED); -+ DONE; -+ } -+ operands[1] = gen_rtx_REG (DImode, REGNO (operands[1])); -+} -+ [(set_attr "move_type" "move,load") -+ (set_attr "mode" "DI")]) -+ -+(define_insn_and_split "extend<SHORT:mode><SUPERQI:mode>2" -+ [(set (match_operand:SUPERQI 0 "register_operand" "=r,r") -+ (sign_extend:SUPERQI -+ (match_operand:SHORT 1 "nonimmediate_operand" "r,m")))] -+ "" -+ "@ -+ # -+ l<SHORT:size>\t%0,%1" -+ "&& reload_completed && REG_P (operands[1])" -+ [(set (match_dup 0) (ashift:SI (match_dup 1) (match_dup 2))) -+ (set (match_dup 0) (ashiftrt:SI (match_dup 0) (match_dup 2)))] -+{ -+ operands[0] = gen_lowpart (SImode, operands[0]); -+ operands[1] = gen_lowpart (SImode, operands[1]); -+ operands[2] = GEN_INT (GET_MODE_BITSIZE (SImode) -+ - GET_MODE_BITSIZE (<SHORT:MODE>mode)); -+} -+ [(set_attr "move_type" "shift_shift,load") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "extendsfdf2" -+ [(set (match_operand:DF 0 "register_operand" "=f") -+ (float_extend:DF (match_operand:SF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.d.s\t%0,%1" -+ [(set_attr "type" "fcvt") -+ (set_attr "cnv_mode" "S2D") -+ (set_attr "mode" "DF")]) -+ -+;; -+;; .................... -+;; -+;; CONVERSIONS -+;; -+;; .................... -+ -+(define_insn "fix_truncdfsi2" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (fix:SI (match_operand:DF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.w.d %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "D2I")]) -+ -+ -+(define_insn "fix_truncsfsi2" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (fix:SI (match_operand:SF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.w.s %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "S2I")]) -+ -+ -+(define_insn "fix_truncdfdi2" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (fix:DI (match_operand:DF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.l.d %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "D2I")]) -+ -+ -+(define_insn "fix_truncsfdi2" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (fix:DI (match_operand:SF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.l.s %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "S2I")]) -+ -+ -+(define_insn "floatsidf2" -+ [(set (match_operand:DF 0 "register_operand" "=f") -+ (float:DF (match_operand:SI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.d.w\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "I2D")]) -+ -+ -+(define_insn "floatdidf2" -+ [(set (match_operand:DF 0 "register_operand" "=f") -+ (float:DF (match_operand:DI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.d.l\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "I2D")]) -+ -+ -+(define_insn "floatsisf2" -+ [(set (match_operand:SF 0 "register_operand" "=f") -+ (float:SF (match_operand:SI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.s.w\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "I2S")]) -+ -+ -+(define_insn "floatdisf2" -+ [(set (match_operand:SF 0 "register_operand" "=f") -+ (float:SF (match_operand:DI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.s.l\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "I2S")]) -+ -+ -+(define_insn "floatunssidf2" -+ [(set (match_operand:DF 0 "register_operand" "=f") -+ (unsigned_float:DF (match_operand:SI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.d.wu\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "I2D")]) -+ -+ -+(define_insn "floatunsdidf2" -+ [(set (match_operand:DF 0 "register_operand" "=f") -+ (unsigned_float:DF (match_operand:DI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.d.lu\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "I2D")]) -+ -+ -+(define_insn "floatunssisf2" -+ [(set (match_operand:SF 0 "register_operand" "=f") -+ (unsigned_float:SF (match_operand:SI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.s.wu\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "I2S")]) -+ -+ -+(define_insn "floatunsdisf2" -+ [(set (match_operand:SF 0 "register_operand" "=f") -+ (unsigned_float:SF (match_operand:DI 1 "reg_or_0_operand" "rJ")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.s.lu\t%0,%z1" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "I2S")]) -+ -+ -+(define_insn "fixuns_truncdfsi2" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (unsigned_fix:SI (match_operand:DF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.wu.d %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "D2I")]) -+ -+ -+(define_insn "fixuns_truncsfsi2" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (unsigned_fix:SI (match_operand:SF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT" -+ "fcvt.wu.s %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "S2I")]) -+ -+ -+(define_insn "fixuns_truncdfdi2" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (unsigned_fix:DI (match_operand:DF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.lu.d %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "DF") -+ (set_attr "cnv_mode" "D2I")]) -+ -+ -+(define_insn "fixuns_truncsfdi2" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (unsigned_fix:DI (match_operand:SF 1 "register_operand" "f")))] -+ "TARGET_HARD_FLOAT && TARGET_64BIT" -+ "fcvt.lu.s %0,%1,rtz" -+ [(set_attr "type" "fcvt") -+ (set_attr "mode" "SF") -+ (set_attr "cnv_mode" "S2I")]) -+ -+;; -+;; .................... -+;; -+;; DATA MOVEMENT -+;; -+;; .................... -+ -+;; Lower-level instructions for loading an address from the GOT. -+;; We could use MEMs, but an unspec gives more optimization -+;; opportunities. -+ -+(define_insn "got_load<mode>" -+ [(set (match_operand:P 0 "register_operand" "=r") -+ (unspec:P [(match_operand:P 1 "symbolic_operand" "")] -+ UNSPEC_LOAD_GOT))] -+ "flag_pic" -+ "la\t%0,%1" -+ [(set_attr "got" "load") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "tls_add_tp_le<mode>" -+ [(set (match_operand:P 0 "register_operand" "=r") -+ (unspec:P [(match_operand:P 1 "register_operand" "r") -+ (match_operand:P 2 "register_operand" "r") -+ (match_operand:P 3 "symbolic_operand" "")] -+ UNSPEC_TLS_LE))] -+ "!flag_pic || flag_pie" -+ "add\t%0,%1,%2,%%tprel_add(%3)" -+ [(set_attr "type" "arith") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "got_load_tls_gd<mode>" -+ [(set (match_operand:P 0 "register_operand" "=r") -+ (unspec:P [(match_operand:P 1 "symbolic_operand" "")] -+ UNSPEC_TLS_GD))] -+ "flag_pic" -+ "la.tls.gd\t%0,%1" -+ [(set_attr "got" "load") -+ (set_attr "mode" "<MODE>")]) -+ -+(define_insn "got_load_tls_ie<mode>" -+ [(set (match_operand:P 0 "register_operand" "=r") -+ (unspec:P [(match_operand:P 1 "symbolic_operand" "")] -+ UNSPEC_TLS_IE))] -+ "flag_pic" -+ "la.tls.ie\t%0,%1" -+ [(set_attr "got" "load") -+ (set_attr "mode" "<MODE>")]) -+ -+;; Instructions for adding the low 16 bits of an address to a register. -+;; Operand 2 is the address: riscv_print_operand works out which relocation -+;; should be applied. -+ -+(define_insn "*low<mode>" -+ [(set (match_operand:P 0 "register_operand" "=r") -+ (lo_sum:P (match_operand:P 1 "register_operand" "r") -+ (match_operand:P 2 "immediate_operand" "")))] -+ "" -+ "add\t%0,%1,%R2" -+ [(set_attr "alu_type" "add") -+ (set_attr "mode" "<MODE>")]) -+ -+;; Allow combine to split complex const_int load sequences, using operand 2 -+;; to store the intermediate results. See move_operand for details. -+(define_split -+ [(set (match_operand:GPR 0 "register_operand") -+ (match_operand:GPR 1 "splittable_const_int_operand")) -+ (clobber (match_operand:GPR 2 "register_operand"))] -+ "" -+ [(const_int 0)] -+{ -+ riscv_move_integer (operands[2], operands[0], INTVAL (operands[1])); -+ DONE; -+}) -+ -+;; Likewise, for symbolic operands. -+(define_split -+ [(set (match_operand:P 0 "register_operand") -+ (match_operand:P 1)) -+ (clobber (match_operand:P 2 "register_operand"))] -+ "riscv_split_symbol (operands[2], operands[1], MAX_MACHINE_MODE, NULL)" -+ [(set (match_dup 0) (match_dup 3))] -+{ -+ riscv_split_symbol (operands[2], operands[1], -+ MAX_MACHINE_MODE, &operands[3]); -+}) -+ -+;; 64-bit integer moves -+ -+;; Unlike most other insns, the move insns can't be split with ' -+;; different predicates, because register spilling and other parts of -+;; the compiler, have memoized the insn number already. -+ -+(define_expand "movdi" -+ [(set (match_operand:DI 0 "") -+ (match_operand:DI 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (DImode, operands[0], operands[1])) -+ DONE; -+}) -+ -+(define_insn "*movdi_32bit" -+ [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,r,m,*f,*f,*r,*m") -+ (match_operand:DI 1 "move_operand" "r,i,m,r,*J*r,*m,*f,*f"))] -+ "!TARGET_64BIT -+ && (register_operand (operands[0], DImode) -+ || reg_or_0_operand (operands[1], DImode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,const,load,store,mtc,fpload,mfc,fpstore") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "*movdi_64bit" -+ [(set (match_operand:DI 0 "nonimmediate_operand" "=r,r,r,m,*f,*f,*r,*m") -+ (match_operand:DI 1 "move_operand" "r,T,m,rJ,*r*J,*m,*f,*f"))] -+ "TARGET_64BIT -+ && (register_operand (operands[0], DImode) -+ || reg_or_0_operand (operands[1], DImode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,const,load,store,mtc,fpload,mfc,fpstore") -+ (set_attr "mode" "DI")]) -+ -+;; 32-bit Integer moves -+ -+;; Unlike most other insns, the move insns can't be split with -+;; different predicates, because register spilling and other parts of -+;; the compiler, have memoized the insn number already. -+ -+(define_expand "mov<mode>" -+ [(set (match_operand:IMOVE32 0 "") -+ (match_operand:IMOVE32 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (<MODE>mode, operands[0], operands[1])) -+ DONE; -+}) -+ -+;; The difference between these two is whether or not ints are allowed -+;; in FP registers (off by default, use -mdebugh to enable). -+ -+(define_insn "*mov<mode>_internal" -+ [(set (match_operand:IMOVE32 0 "nonimmediate_operand" "=r,r,r,m,*f,*f,*r,*m") -+ (match_operand:IMOVE32 1 "move_operand" "r,T,m,rJ,*r*J,*m,*f,*f"))] -+ "(register_operand (operands[0], <MODE>mode) -+ || reg_or_0_operand (operands[1], <MODE>mode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,const,load,store,mtc,fpload,mfc,fpstore") -+ (set_attr "mode" "SI")]) -+ -+;; 16-bit Integer moves -+ -+;; Unlike most other insns, the move insns can't be split with -+;; different predicates, because register spilling and other parts of -+;; the compiler, have memoized the insn number already. -+;; Unsigned loads are used because LOAD_EXTEND_OP returns ZERO_EXTEND. -+ -+(define_expand "movhi" -+ [(set (match_operand:HI 0 "") -+ (match_operand:HI 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (HImode, operands[0], operands[1])) -+ DONE; -+}) -+ -+(define_insn "*movhi_internal" -+ [(set (match_operand:HI 0 "nonimmediate_operand" "=r,r,r,m,*f,*r") -+ (match_operand:HI 1 "move_operand" "r,T,m,rJ,*r*J,*f"))] -+ "(register_operand (operands[0], HImode) -+ || reg_or_0_operand (operands[1], HImode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,const,load,store,mtc,mfc") -+ (set_attr "mode" "HI")]) -+ -+;; HImode constant generation; see riscv_move_integer for details. -+;; si+si->hi without truncation is legal because of TRULY_NOOP_TRUNCATION. -+ -+(define_insn "add<mode>hi3" -+ [(set (match_operand:HI 0 "register_operand" "=r,r") -+ (plus:HI (match_operand:HISI 1 "register_operand" "r,r") -+ (match_operand:HISI 2 "arith_operand" "r,Q")))] -+ "" -+ { return TARGET_64BIT ? "addw\t%0,%1,%2" : "add\t%0,%1,%2"; } -+ [(set_attr "type" "arith") -+ (set_attr "mode" "HI")]) -+ -+(define_insn "xor<mode>hi3" -+ [(set (match_operand:HI 0 "register_operand" "=r,r") -+ (xor:HI (match_operand:HISI 1 "register_operand" "r,r") -+ (match_operand:HISI 2 "arith_operand" "r,Q")))] -+ "" -+ "xor\t%0,%1,%2" -+ [(set_attr "type" "logical") -+ (set_attr "mode" "HI")]) -+ -+;; 8-bit Integer moves -+ -+(define_expand "movqi" -+ [(set (match_operand:QI 0 "") -+ (match_operand:QI 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (QImode, operands[0], operands[1])) -+ DONE; -+}) -+ -+(define_insn "*movqi_internal" -+ [(set (match_operand:QI 0 "nonimmediate_operand" "=r,r,r,m,*f,*r") -+ (match_operand:QI 1 "move_operand" "r,I,m,rJ,*r*J,*f"))] -+ "(register_operand (operands[0], QImode) -+ || reg_or_0_operand (operands[1], QImode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,const,load,store,mtc,mfc") -+ (set_attr "mode" "QI")]) -+ -+;; 32-bit floating point moves -+ -+(define_expand "movsf" -+ [(set (match_operand:SF 0 "") -+ (match_operand:SF 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (SFmode, operands[0], operands[1])) -+ DONE; -+}) -+ -+(define_insn "*movsf_hardfloat" -+ [(set (match_operand:SF 0 "nonimmediate_operand" "=f,f,f,m,m,*f,*r,*r,*r,*m") -+ (match_operand:SF 1 "move_operand" "f,G,m,f,G,*r,*f,*G*r,*m,*r"))] -+ "TARGET_HARD_FLOAT -+ && (register_operand (operands[0], SFmode) -+ || reg_or_0_operand (operands[1], SFmode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "fmove,mtc,fpload,fpstore,store,mtc,mfc,move,load,store") -+ (set_attr "mode" "SF")]) -+ -+(define_insn "*movsf_softfloat" -+ [(set (match_operand:SF 0 "nonimmediate_operand" "=r,r,m") -+ (match_operand:SF 1 "move_operand" "Gr,m,r"))] -+ "TARGET_SOFT_FLOAT -+ && (register_operand (operands[0], SFmode) -+ || reg_or_0_operand (operands[1], SFmode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,load,store") -+ (set_attr "mode" "SF")]) -+ -+;; 64-bit floating point moves -+ -+(define_expand "movdf" -+ [(set (match_operand:DF 0 "") -+ (match_operand:DF 1 ""))] -+ "" -+{ -+ if (riscv_legitimize_move (DFmode, operands[0], operands[1])) -+ DONE; -+}) -+ -+;; In RV32, we lack mtf.d/mff.d. Go through memory instead. -+;; (except for moving a constant 0 to an FPR. for that we use fcvt.d.w.) -+(define_insn "*movdf_hardfloat_rv32" -+ [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,m,m,*r,*r,*m") -+ (match_operand:DF 1 "move_operand" "f,G,m,f,G,*r*G,*m,*r"))] -+ "!TARGET_64BIT && TARGET_HARD_FLOAT -+ && (register_operand (operands[0], DFmode) -+ || reg_or_0_operand (operands[1], DFmode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "fmove,mtc,fpload,fpstore,store,move,load,store") -+ (set_attr "mode" "DF")]) -+ -+(define_insn "*movdf_hardfloat_rv64" -+ [(set (match_operand:DF 0 "nonimmediate_operand" "=f,f,f,m,m,*f,*r,*r,*r,*m") -+ (match_operand:DF 1 "move_operand" "f,G,m,f,G,*r,*f,*r*G,*m,*r"))] -+ "TARGET_64BIT && TARGET_HARD_FLOAT -+ && (register_operand (operands[0], DFmode) -+ || reg_or_0_operand (operands[1], DFmode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "fmove,mtc,fpload,fpstore,store,mtc,mfc,move,load,store") -+ (set_attr "mode" "DF")]) -+ -+(define_insn "*movdf_softfloat" -+ [(set (match_operand:DF 0 "nonimmediate_operand" "=r,r,m") -+ (match_operand:DF 1 "move_operand" "rG,m,rG"))] -+ "TARGET_SOFT_FLOAT -+ && (register_operand (operands[0], DFmode) -+ || reg_or_0_operand (operands[1], DFmode))" -+ { return riscv_output_move (operands[0], operands[1]); } -+ [(set_attr "move_type" "move,load,store") -+ (set_attr "mode" "DF")]) -+ -+;; 128-bit integer moves -+ -+(define_expand "movti" -+ [(set (match_operand:TI 0) -+ (match_operand:TI 1))] -+ "TARGET_64BIT" -+{ -+ if (riscv_legitimize_move (TImode, operands[0], operands[1])) -+ DONE; -+}) -+ -+(define_insn "*movti" -+ [(set (match_operand:TI 0 "nonimmediate_operand" "=r,r,r,m") -+ (match_operand:TI 1 "move_operand" "r,i,m,rJ"))] -+ "TARGET_64BIT -+ && (register_operand (operands[0], TImode) -+ || reg_or_0_operand (operands[1], TImode))" -+ "#" -+ [(set_attr "move_type" "move,const,load,store") -+ (set_attr "mode" "TI")]) -+ -+(define_split -+ [(set (match_operand:MOVE64 0 "nonimmediate_operand") -+ (match_operand:MOVE64 1 "move_operand"))] -+ "reload_completed && !TARGET_64BIT -+ && riscv_split_64bit_move_p (operands[0], operands[1])" -+ [(const_int 0)] -+{ -+ riscv_split_doubleword_move (operands[0], operands[1]); -+ DONE; -+}) -+ -+(define_split -+ [(set (match_operand:MOVE128 0 "nonimmediate_operand") -+ (match_operand:MOVE128 1 "move_operand"))] -+ "TARGET_64BIT && reload_completed" -+ [(const_int 0)] -+{ -+ riscv_split_doubleword_move (operands[0], operands[1]); -+ DONE; -+}) -+ -+;; 64-bit paired-single floating point moves -+ -+;; Load the low word of operand 0 with operand 1. -+(define_insn "load_low<mode>" -+ [(set (match_operand:SPLITF 0 "register_operand" "=f,f") -+ (unspec:SPLITF [(match_operand:<HALFMODE> 1 "general_operand" "rJ,m")] -+ UNSPEC_LOAD_LOW))] -+ "TARGET_HARD_FLOAT" -+{ -+ operands[0] = riscv_subword (operands[0], 0); -+ return riscv_output_move (operands[0], operands[1]); -+} -+ [(set_attr "move_type" "mtc,fpload") -+ (set_attr "mode" "<HALFMODE>")]) -+ -+;; Load the high word of operand 0 from operand 1, preserving the value -+;; in the low word. -+(define_insn "load_high<mode>" -+ [(set (match_operand:SPLITF 0 "register_operand" "=f,f") -+ (unspec:SPLITF [(match_operand:<HALFMODE> 1 "general_operand" "rJ,m") -+ (match_operand:SPLITF 2 "register_operand" "0,0")] -+ UNSPEC_LOAD_HIGH))] -+ "TARGET_HARD_FLOAT" -+{ -+ operands[0] = riscv_subword (operands[0], 1); -+ return riscv_output_move (operands[0], operands[1]); -+} -+ [(set_attr "move_type" "mtc,fpload") -+ (set_attr "mode" "<HALFMODE>")]) -+ -+;; Store one word of operand 1 in operand 0. Operand 2 is 1 to store the -+;; high word and 0 to store the low word. -+(define_insn "store_word<mode>" -+ [(set (match_operand:<HALFMODE> 0 "nonimmediate_operand" "=r,m") -+ (unspec:<HALFMODE> [(match_operand:SPLITF 1 "register_operand" "f,f") -+ (match_operand 2 "const_int_operand")] -+ UNSPEC_STORE_WORD))] -+ "TARGET_HARD_FLOAT" -+{ -+ operands[1] = riscv_subword (operands[1], INTVAL (operands[2])); -+ return riscv_output_move (operands[0], operands[1]); -+} -+ [(set_attr "move_type" "mfc,fpstore") -+ (set_attr "mode" "<HALFMODE>")]) -+ -+;; Expand in-line code to clear the instruction cache between operand[0] and -+;; operand[1]. -+(define_expand "clear_cache" -+ [(match_operand 0 "pmode_register_operand") -+ (match_operand 1 "pmode_register_operand")] -+ "" -+ " -+{ -+ emit_insn(gen_fence_i()); -+ DONE; -+}") -+ -+(define_insn "fence" -+ [(unspec_volatile [(const_int 0)] UNSPEC_FENCE)] -+ "" -+ "%|fence%-") -+ -+(define_insn "fence_i" -+ [(unspec_volatile [(const_int 0)] UNSPEC_FENCE_I)] -+ "" -+ "fence.i") -+ -+;; Block moves, see riscv.c for more details. -+;; Argument 0 is the destination -+;; Argument 1 is the source -+;; Argument 2 is the length -+;; Argument 3 is the alignment -+ -+(define_expand "movmemsi" -+ [(parallel [(set (match_operand:BLK 0 "general_operand") -+ (match_operand:BLK 1 "general_operand")) -+ (use (match_operand:SI 2 "")) -+ (use (match_operand:SI 3 "const_int_operand"))])] -+ "!TARGET_MEMCPY" -+{ -+ if (riscv_expand_block_move (operands[0], operands[1], operands[2])) -+ DONE; -+ else -+ FAIL; -+}) -+ -+;; -+;; .................... -+;; -+;; SHIFTS -+;; -+;; .................... -+ -+(define_insn "<optab>si3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (any_shift:SI (match_operand:SI 1 "register_operand" "r") -+ (match_operand:SI 2 "arith_operand" "rI")))] -+ "" -+{ -+ if (GET_CODE (operands[2]) == CONST_INT) -+ operands[2] = GEN_INT (INTVAL (operands[2]) -+ & (GET_MODE_BITSIZE (SImode) - 1)); -+ -+ return TARGET_64BIT ? "<insn>w\t%0,%1,%2" : "<insn>\t%0,%1,%2"; -+} -+ [(set_attr "type" "shift") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*<optab>disi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (any_shift:SI (truncate:SI (match_operand:DI 1 "register_operand" "r")) -+ (truncate:SI (match_operand:DI 2 "arith_operand" "rI"))))] -+ "TARGET_64BIT" -+ "<insn>w\t%0,%1,%2" -+ [(set_attr "type" "shift") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*ashldi3_truncsi" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (truncate:SI -+ (ashift:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "const_arith_operand" "I"))))] -+ "TARGET_64BIT && INTVAL (operands[2]) < 32" -+ "sllw\t%0,%1,%2" -+ [(set_attr "type" "shift") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "*ashldisi3" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (ashift:SI (match_operand:GPR 1 "register_operand" "r") -+ (match_operand:GPR2 2 "arith_operand" "rI")))] -+ "TARGET_64BIT && (GET_CODE (operands[2]) == CONST_INT ? INTVAL (operands[2]) < 32 : 1)" -+ "sllw\t%0,%1,%2" -+ [(set_attr "type" "shift") -+ (set_attr "mode" "SI")]) -+ -+(define_insn "<optab>di3" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (any_shift:DI (match_operand:DI 1 "register_operand" "r") -+ (match_operand:DI 2 "arith_operand" "rI")))] -+ "TARGET_64BIT" -+{ -+ if (GET_CODE (operands[2]) == CONST_INT) -+ operands[2] = GEN_INT (INTVAL (operands[2]) -+ & (GET_MODE_BITSIZE (DImode) - 1)); -+ -+ return "<insn>\t%0,%1,%2"; -+} -+ [(set_attr "type" "shift") -+ (set_attr "mode" "DI")]) -+ -+(define_insn "<optab>si3_extend" -+ [(set (match_operand:DI 0 "register_operand" "=r") -+ (sign_extend:DI -+ (any_shift:SI (match_operand:SI 1 "register_operand" "r") -+ (match_operand:SI 2 "arith_operand" "rI"))))] -+ "TARGET_64BIT" -+{ -+ if (GET_CODE (operands[2]) == CONST_INT) -+ operands[2] = GEN_INT (INTVAL (operands[2]) & 0x1f); -+ -+ return "<insn>w\t%0,%1,%2"; -+} -+ [(set_attr "type" "shift") -+ (set_attr "mode" "SI")]) -+ -+;; -+;; .................... -+;; -+;; CONDITIONAL BRANCHES -+;; -+;; .................... -+ -+;; Conditional branches -+ -+(define_insn "*branch_order<mode>" -+ [(set (pc) -+ (if_then_else -+ (match_operator 1 "order_operator" -+ [(match_operand:GPR 2 "register_operand" "r") -+ (match_operand:GPR 3 "reg_or_0_operand" "rJ")]) -+ (label_ref (match_operand 0 "" "")) -+ (pc)))] -+ "" -+ "b%C1\t%2,%z3,%0" -+ [(set_attr "type" "branch") -+ (set_attr "mode" "none")]) -+ -+;; Used to implement built-in functions. -+(define_expand "condjump" -+ [(set (pc) -+ (if_then_else (match_operand 0) -+ (label_ref (match_operand 1)) -+ (pc)))]) -+ -+(define_expand "cbranch<mode>4" -+ [(set (pc) -+ (if_then_else (match_operator 0 "comparison_operator" -+ [(match_operand:GPR 1 "register_operand") -+ (match_operand:GPR 2 "nonmemory_operand")]) -+ (label_ref (match_operand 3 "")) -+ (pc)))] -+ "" -+{ -+ riscv_expand_conditional_branch (operands); -+ DONE; -+}) -+ -+(define_expand "cbranch<mode>4" -+ [(set (pc) -+ (if_then_else (match_operator 0 "comparison_operator" -+ [(match_operand:SCALARF 1 "register_operand") -+ (match_operand:SCALARF 2 "register_operand")]) -+ (label_ref (match_operand 3 "")) -+ (pc)))] -+ "" -+{ -+ riscv_expand_conditional_branch (operands); -+ DONE; -+}) -+ -+(define_insn_and_split "*branch_on_bit<GPR:mode>" -+ [(set (pc) -+ (if_then_else -+ (match_operator 0 "equality_operator" -+ [(zero_extract:GPR (match_operand:GPR 2 "register_operand" "r") -+ (const_int 1) -+ (match_operand 3 "const_int_operand")) -+ (const_int 0)]) -+ (label_ref (match_operand 1)) -+ (pc))) -+ (clobber (match_scratch:GPR 4 "=&r"))] -+ "" -+ "#" -+ "reload_completed" -+ [(set (match_dup 4) -+ (ashift:GPR (match_dup 2) (match_dup 3))) -+ (set (pc) -+ (if_then_else -+ (match_op_dup 0 [(match_dup 4) (const_int 0)]) -+ (label_ref (match_operand 1)) -+ (pc)))] -+{ -+ int shift = GET_MODE_BITSIZE (<MODE>mode) - 1 - INTVAL (operands[3]); -+ operands[3] = GEN_INT (shift); -+ -+ if (GET_CODE (operands[0]) == EQ) -+ operands[0] = gen_rtx_GE (<MODE>mode, operands[4], const0_rtx); -+ else -+ operands[0] = gen_rtx_LT (<MODE>mode, operands[4], const0_rtx); -+}) -+ -+(define_insn_and_split "*branch_on_bit_range<GPR:mode>" -+ [(set (pc) -+ (if_then_else -+ (match_operator 0 "equality_operator" -+ [(zero_extract:GPR (match_operand:GPR 2 "register_operand" "r") -+ (match_operand 3 "const_int_operand") -+ (const_int 0)) -+ (const_int 0)]) -+ (label_ref (match_operand 1)) -+ (pc))) -+ (clobber (match_scratch:GPR 4 "=&r"))] -+ "" -+ "#" -+ "reload_completed" -+ [(set (match_dup 4) -+ (ashift:GPR (match_dup 2) (match_dup 3))) -+ (set (pc) -+ (if_then_else -+ (match_op_dup 0 [(match_dup 4) (const_int 0)]) -+ (label_ref (match_operand 1)) -+ (pc)))] -+{ -+ operands[3] = GEN_INT (GET_MODE_BITSIZE (<MODE>mode) - INTVAL (operands[3])); -+}) -+ -+;; -+;; .................... -+;; -+;; SETTING A REGISTER FROM A COMPARISON -+;; -+;; .................... -+ -+;; Destination is always set in SI mode. -+ -+(define_expand "cstore<mode>4" -+ [(set (match_operand:SI 0 "register_operand") -+ (match_operator:SI 1 "order_operator" -+ [(match_operand:GPR 2 "register_operand") -+ (match_operand:GPR 3 "nonmemory_operand")]))] -+ "" -+{ -+ riscv_expand_scc (operands); -+ DONE; -+}) -+ -+(define_insn "cstore<mode>4" -+ [(set (match_operand:SI 0 "register_operand" "=r") -+ (match_operator:SI 1 "fp_order_operator" -+ [(match_operand:SCALARF 2 "register_operand" "f") -+ (match_operand:SCALARF 3 "register_operand" "f")]))] -+ "TARGET_HARD_FLOAT" -+ "f%C1.<fmt>\t%0,%2,%3" -+ [(set_attr "type" "fcmp") -+ (set_attr "mode" "<UNITMODE>")]) -+ -+(define_insn "*seq_zero_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (eq:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (const_int 0)))] -+ "" -+ "seqz\t%0,%1" -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "*sne_zero_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (ne:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (const_int 0)))] -+ "" -+ "snez\t%0,%1" -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "*sgt<u>_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (any_gt:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (match_operand:GPR 2 "reg_or_0_operand" "rJ")))] -+ "" -+ "slt<u>\t%0,%z2,%1" -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "*sge<u>_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (any_ge:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (const_int 1)))] -+ "" -+ "slt<u>\t%0,zero,%1" -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "*slt<u>_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (any_lt:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (match_operand:GPR 2 "arith_operand" "rI")))] -+ "" -+ "slt<u>\t%0,%1,%2" -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+(define_insn "*sle<u>_<GPR:mode><GPR2:mode>" -+ [(set (match_operand:GPR2 0 "register_operand" "=r") -+ (any_le:GPR2 (match_operand:GPR 1 "register_operand" "r") -+ (match_operand:GPR 2 "sle_operand" "")))] -+ "" -+{ -+ operands[2] = GEN_INT (INTVAL (operands[2]) + 1); -+ return "slt<u>\t%0,%1,%2"; -+} -+ [(set_attr "type" "slt") -+ (set_attr "mode" "<GPR:MODE>")]) -+ -+;; -+;; .................... -+;; -+;; UNCONDITIONAL BRANCHES -+;; -+;; .................... -+ -+;; Unconditional branches. -+ -+(define_insn "jump" -+ [(set (pc) -+ (label_ref (match_operand 0 "" "")))] -+ "" -+ "j\t%l0" -+ [(set_attr "type" "jump") -+ (set_attr "mode" "none")]) -+ -+(define_expand "indirect_jump" -+ [(set (pc) (match_operand 0 "register_operand"))] -+ "" -+{ -+ operands[0] = force_reg (Pmode, operands[0]); -+ if (Pmode == SImode) -+ emit_jump_insn (gen_indirect_jumpsi (operands[0])); -+ else -+ emit_jump_insn (gen_indirect_jumpdi (operands[0])); -+ DONE; -+}) -+ -+(define_insn "indirect_jump<mode>" -+ [(set (pc) (match_operand:P 0 "register_operand" "r"))] -+ "" -+ "jr\t%0" -+ [(set_attr "type" "jump") -+ (set_attr "mode" "none")]) -+ -+(define_expand "tablejump" -+ [(set (pc) (match_operand 0 "register_operand" "")) -+ (use (label_ref (match_operand 1 "" "")))] -+ "" -+{ -+ if (flag_pic) -+ operands[0] = expand_simple_binop (Pmode, PLUS, operands[0], -+ gen_rtx_LABEL_REF (Pmode, operands[1]), -+ NULL_RTX, 0, OPTAB_DIRECT); -+ -+ if (flag_pic && Pmode == DImode) -+ emit_jump_insn (gen_tablejumpdi (operands[0], operands[1])); -+ else -+ emit_jump_insn (gen_tablejumpsi (operands[0], operands[1])); -+ DONE; -+}) -+ -+(define_insn "tablejump<mode>" -+ [(set (pc) (match_operand:GPR 0 "register_operand" "r")) -+ (use (label_ref (match_operand 1 "" "")))] -+ "" -+ "jr\t%0" -+ [(set_attr "type" "jump") -+ (set_attr "mode" "none")]) -+ -+;; -+;; .................... -+;; -+;; Function prologue/epilogue -+;; -+;; .................... -+;; -+ -+(define_expand "prologue" -+ [(const_int 1)] -+ "" -+{ -+ riscv_expand_prologue (); -+ DONE; -+}) -+ -+;; Block any insns from being moved before this point, since the -+;; profiling call to mcount can use various registers that aren't -+;; saved or used to pass arguments. -+ -+(define_insn "blockage" -+ [(unspec_volatile [(const_int 0)] UNSPEC_BLOCKAGE)] -+ "" -+ "" -+ [(set_attr "type" "ghost") -+ (set_attr "mode" "none")]) -+ -+(define_expand "epilogue" -+ [(const_int 2)] -+ "" -+{ -+ riscv_expand_epilogue (false); -+ DONE; -+}) -+ -+(define_expand "sibcall_epilogue" -+ [(const_int 2)] -+ "" -+{ -+ riscv_expand_epilogue (true); -+ DONE; -+}) -+ -+;; Trivial return. Make it look like a normal return insn as that -+;; allows jump optimizations to work better. -+ -+(define_expand "return" -+ [(simple_return)] -+ "riscv_can_use_return_insn ()" -+ "") -+ -+(define_insn "simple_return" -+ [(simple_return)] -+ "" -+ "ret" -+ [(set_attr "type" "jump") -+ (set_attr "mode" "none")]) -+ -+;; Normal return. -+ -+(define_insn "simple_return_internal" -+ [(simple_return) -+ (use (match_operand 0 "pmode_register_operand" ""))] -+ "" -+ "jr\t%0" -+ [(set_attr "type" "jump") -+ (set_attr "mode" "none")]) -+ -+;; This is used in compiling the unwind routines. -+(define_expand "eh_return" -+ [(use (match_operand 0 "general_operand"))] -+ "" -+{ -+ if (GET_MODE (operands[0]) != word_mode) -+ operands[0] = convert_to_mode (word_mode, operands[0], 0); -+ if (TARGET_64BIT) -+ emit_insn (gen_eh_set_lr_di (operands[0])); -+ else -+ emit_insn (gen_eh_set_lr_si (operands[0])); -+ DONE; -+}) -+ -+;; Clobber the return address on the stack. We can't expand this -+;; until we know where it will be put in the stack frame. -+ -+(define_insn "eh_set_lr_si" -+ [(unspec [(match_operand:SI 0 "register_operand" "r")] UNSPEC_EH_RETURN) -+ (clobber (match_scratch:SI 1 "=&r"))] -+ "! TARGET_64BIT" -+ "#") -+ -+(define_insn "eh_set_lr_di" -+ [(unspec [(match_operand:DI 0 "register_operand" "r")] UNSPEC_EH_RETURN) -+ (clobber (match_scratch:DI 1 "=&r"))] -+ "TARGET_64BIT" -+ "#") -+ -+(define_split -+ [(unspec [(match_operand 0 "register_operand")] UNSPEC_EH_RETURN) -+ (clobber (match_scratch 1))] -+ "reload_completed" -+ [(const_int 0)] -+{ -+ riscv_set_return_address (operands[0], operands[1]); -+ DONE; -+}) -+ -+;; -+;; .................... -+;; -+;; FUNCTION CALLS -+;; -+;; .................... -+ -+;; Sibling calls. All these patterns use jump instructions. -+ -+;; call_insn_operand will only accept constant -+;; addresses if a direct jump is acceptable. Since the 'S' constraint -+;; is defined in terms of call_insn_operand, the same is true of the -+;; constraints. -+ -+;; When we use an indirect jump, we need a register that will be -+;; preserved by the epilogue (constraint j). -+ -+(define_expand "sibcall" -+ [(parallel [(call (match_operand 0 "") -+ (match_operand 1 "")) -+ (use (match_operand 2 "")) ;; next_arg_reg -+ (use (match_operand 3 ""))])] ;; struct_value_size_rtx -+ "" -+{ -+ riscv_expand_call (true, NULL_RTX, XEXP (operands[0], 0), operands[1]); -+ DONE; -+}) -+ -+(define_insn "sibcall_internal" -+ [(call (mem:SI (match_operand 0 "call_insn_operand" "j,S")) -+ (match_operand 1 "" ""))] -+ "SIBLING_CALL_P (insn)" -+ { return REG_P (operands[0]) ? "jr\t%0" -+ : absolute_symbolic_operand (operands[0], VOIDmode) ? "tail\t%0" -+ : "tail\t%0@"; } -+ [(set_attr "type" "call")]) -+ -+(define_expand "sibcall_value" -+ [(parallel [(set (match_operand 0 "") -+ (call (match_operand 1 "") -+ (match_operand 2 ""))) -+ (use (match_operand 3 ""))])] ;; next_arg_reg -+ "" -+{ -+ riscv_expand_call (true, operands[0], XEXP (operands[1], 0), operands[2]); -+ DONE; -+}) -+ -+(define_insn "sibcall_value_internal" -+ [(set (match_operand 0 "register_operand" "") -+ (call (mem:SI (match_operand 1 "call_insn_operand" "j,S")) -+ (match_operand 2 "" "")))] -+ "SIBLING_CALL_P (insn)" -+ { return REG_P (operands[1]) ? "jr\t%1" -+ : absolute_symbolic_operand (operands[1], VOIDmode) ? "tail\t%1" -+ : "tail\t%1@"; } -+ [(set_attr "type" "call")]) -+ -+(define_insn "sibcall_value_multiple_internal" -+ [(set (match_operand 0 "register_operand" "") -+ (call (mem:SI (match_operand 1 "call_insn_operand" "j,S")) -+ (match_operand 2 "" ""))) -+ (set (match_operand 3 "register_operand" "") -+ (call (mem:SI (match_dup 1)) -+ (match_dup 2))) -+ (clobber (match_scratch:SI 4 "=j,j"))] -+ "SIBLING_CALL_P (insn)" -+ { return REG_P (operands[1]) ? "jr\t%1" -+ : absolute_symbolic_operand (operands[1], VOIDmode) ? "tail\t%1" -+ : "tail\t%1@"; } -+ [(set_attr "type" "call")]) -+ -+(define_expand "call" -+ [(parallel [(call (match_operand 0 "") -+ (match_operand 1 "")) -+ (use (match_operand 2 "")) ;; next_arg_reg -+ (use (match_operand 3 ""))])] ;; struct_value_size_rtx -+ "" -+{ -+ riscv_expand_call (false, NULL_RTX, XEXP (operands[0], 0), operands[1]); -+ DONE; -+}) -+ -+(define_insn "call_internal" -+ [(call (mem:SI (match_operand 0 "call_insn_operand" "r,S")) -+ (match_operand 1 "" "")) -+ (clobber (reg:SI RETURN_ADDR_REGNUM))] -+ "" -+ { return REG_P (operands[0]) ? "jalr\t%0" -+ : absolute_symbolic_operand (operands[0], VOIDmode) ? "call\t%0" -+ : "call\t%0@"; } -+ [(set_attr "jal" "indirect,direct")]) -+ -+(define_expand "call_value" -+ [(parallel [(set (match_operand 0 "") -+ (call (match_operand 1 "") -+ (match_operand 2 ""))) -+ (use (match_operand 3 ""))])] ;; next_arg_reg -+ "" -+{ -+ riscv_expand_call (false, operands[0], XEXP (operands[1], 0), operands[2]); -+ DONE; -+}) -+ -+;; See comment for call_internal. -+(define_insn "call_value_internal" -+ [(set (match_operand 0 "register_operand" "") -+ (call (mem:SI (match_operand 1 "call_insn_operand" "r,S")) -+ (match_operand 2 "" ""))) -+ (clobber (reg:SI RETURN_ADDR_REGNUM))] -+ "" -+ { return REG_P (operands[1]) ? "jalr\t%1" -+ : absolute_symbolic_operand (operands[1], VOIDmode) ? "call\t%1" -+ : "call\t%1@"; } -+ [(set_attr "jal" "indirect,direct")]) -+ -+;; See comment for call_internal. -+(define_insn "call_value_multiple_internal" -+ [(set (match_operand 0 "register_operand" "") -+ (call (mem:SI (match_operand 1 "call_insn_operand" "r,S")) -+ (match_operand 2 "" ""))) -+ (set (match_operand 3 "register_operand" "") -+ (call (mem:SI (match_dup 1)) -+ (match_dup 2))) -+ (clobber (reg:SI RETURN_ADDR_REGNUM))] -+ "" -+ { return REG_P (operands[1]) ? "jalr\t%1" -+ : absolute_symbolic_operand (operands[1], VOIDmode) ? "call\t%1" -+ : "call\t%1@"; } -+ [(set_attr "jal" "indirect,direct")]) -+ -+;; Call subroutine returning any type. -+ -+(define_expand "untyped_call" -+ [(parallel [(call (match_operand 0 "") -+ (const_int 0)) -+ (match_operand 1 "") -+ (match_operand 2 "")])] -+ "" -+{ -+ int i; -+ -+ emit_call_insn (GEN_CALL (operands[0], const0_rtx, NULL, const0_rtx)); -+ -+ for (i = 0; i < XVECLEN (operands[2], 0); i++) -+ { -+ rtx set = XVECEXP (operands[2], 0, i); -+ riscv_emit_move (SET_DEST (set), SET_SRC (set)); -+ } -+ -+ emit_insn (gen_blockage ()); -+ DONE; -+}) -+ -+(define_insn "nop" -+ [(const_int 0)] -+ "" -+ "nop" -+ [(set_attr "type" "nop") -+ (set_attr "mode" "none")]) -+ -+(define_insn "trap" -+ [(trap_if (const_int 1) (const_int 0))] -+ "" -+ "sbreak") -+ -+(include "sync.md") -+(include "peephole.md") -diff -urN original-gcc/gcc/config/riscv/riscv-modes.def gcc/gcc/config/riscv/riscv-modes.def ---- original-gcc/gcc/config/riscv/riscv-modes.def 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv-modes.def 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,26 @@ -+/* Extra machine modes for RISC-V target. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+FLOAT_MODE (TF, 16, ieee_quad_format); -+ -+/* Vector modes. */ -+VECTOR_MODES (INT, 4); /* V8QI V4HI V2SI */ -+VECTOR_MODES (FLOAT, 4); /* V4HF V2SF */ -diff -urN original-gcc/gcc/config/riscv/riscv-opc.h gcc/gcc/config/riscv/riscv-opc.h ---- original-gcc/gcc/config/riscv/riscv-opc.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv-opc.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,1216 @@ -+/* Automatically generated by parse-opcodes */ -+#ifndef RISCV_ENCODING_H -+#define RISCV_ENCODING_H -+#define MATCH_CUSTOM3_RD_RS1_RS2 0x707b -+#define MASK_CUSTOM3_RD_RS1_RS2 0x707f -+#define MATCH_VLSEGSTWU 0xc00305b -+#define MASK_VLSEGSTWU 0x1e00707f -+#define MATCH_C_LW0 0x12 -+#define MASK_C_LW0 0x801f -+#define MATCH_FMV_D_X 0xf2000053 -+#define MASK_FMV_D_X 0xfff0707f -+#define MATCH_VLH 0x200205b -+#define MASK_VLH 0xfff0707f -+#define MATCH_C_LI 0x0 -+#define MASK_C_LI 0x1f -+#define MATCH_FADD_D 0x2000053 -+#define MASK_FADD_D 0xfe00007f -+#define MATCH_C_LD 0x9 -+#define MASK_C_LD 0x1f -+#define MATCH_VLD 0x600205b -+#define MASK_VLD 0xfff0707f -+#define MATCH_FADD_S 0x53 -+#define MASK_FADD_S 0xfe00007f -+#define MATCH_C_LW 0xa -+#define MASK_C_LW 0x1f -+#define MATCH_VLW 0x400205b -+#define MASK_VLW 0xfff0707f -+#define MATCH_VSSEGSTW 0x400307b -+#define MASK_VSSEGSTW 0x1e00707f -+#define MATCH_UTIDX 0x6077 -+#define MASK_UTIDX 0xfffff07f -+#define MATCH_C_FLW 0x14 -+#define MASK_C_FLW 0x1f -+#define MATCH_FSUB_D 0xa000053 -+#define MASK_FSUB_D 0xfe00007f -+#define MATCH_VSSEGSTD 0x600307b -+#define MASK_VSSEGSTD 0x1e00707f -+#define MATCH_VSSEGSTB 0x307b -+#define MASK_VSSEGSTB 0x1e00707f -+#define MATCH_DIV 0x2004033 -+#define MASK_DIV 0xfe00707f -+#define MATCH_FMV_H_X 0xf4000053 -+#define MASK_FMV_H_X 0xfff0707f -+#define MATCH_C_FLD 0x15 -+#define MASK_C_FLD 0x1f -+#define MATCH_FRRM 0x202073 -+#define MASK_FRRM 0xfffff07f -+#define MATCH_VFMSV_S 0x1000202b -+#define MASK_VFMSV_S 0xfff0707f -+#define MATCH_C_LWSP 0x5 -+#define MASK_C_LWSP 0x1f -+#define MATCH_FENCE 0xf -+#define MASK_FENCE 0x707f -+#define MATCH_FNMSUB_S 0x4b -+#define MASK_FNMSUB_S 0x600007f -+#define MATCH_FLE_S 0xa0000053 -+#define MASK_FLE_S 0xfe00707f -+#define MATCH_FNMSUB_H 0x400004b -+#define MASK_FNMSUB_H 0x600007f -+#define MATCH_FLE_H 0xbc000053 -+#define MASK_FLE_H 0xfe00707f -+#define MATCH_FLW 0x2007 -+#define MASK_FLW 0x707f -+#define MATCH_VSETVL 0x600b -+#define MASK_VSETVL 0xfff0707f -+#define MATCH_VFMSV_D 0x1200202b -+#define MASK_VFMSV_D 0xfff0707f -+#define MATCH_FLE_D 0xa2000053 -+#define MASK_FLE_D 0xfe00707f -+#define MATCH_FENCE_I 0x100f -+#define MASK_FENCE_I 0x707f -+#define MATCH_FNMSUB_D 0x200004b -+#define MASK_FNMSUB_D 0x600007f -+#define MATCH_ADDW 0x3b -+#define MASK_ADDW 0xfe00707f -+#define MATCH_XOR 0x4033 -+#define MASK_XOR 0xfe00707f -+#define MATCH_SUB 0x40000033 -+#define MASK_SUB 0xfe00707f -+#define MATCH_VSSTW 0x400307b -+#define MASK_VSSTW 0xfe00707f -+#define MATCH_VSSTH 0x200307b -+#define MASK_VSSTH 0xfe00707f -+#define MATCH_SC_W 0x1800202f -+#define MASK_SC_W 0xf800707f -+#define MATCH_VSSTB 0x307b -+#define MASK_VSSTB 0xfe00707f -+#define MATCH_VSSTD 0x600307b -+#define MASK_VSSTD 0xfe00707f -+#define MATCH_ADDI 0x13 -+#define MASK_ADDI 0x707f -+#define MATCH_RDTIMEH 0xc8102073 -+#define MASK_RDTIMEH 0xfffff07f -+#define MATCH_MULH 0x2001033 -+#define MASK_MULH 0xfe00707f -+#define MATCH_CSRRSI 0x6073 -+#define MASK_CSRRSI 0x707f -+#define MATCH_FCVT_D_WU 0xd2100053 -+#define MASK_FCVT_D_WU 0xfff0007f -+#define MATCH_MULW 0x200003b -+#define MASK_MULW 0xfe00707f -+#define MATCH_CUSTOM1_RD_RS1_RS2 0x702b -+#define MASK_CUSTOM1_RD_RS1_RS2 0x707f -+#define MATCH_VENQIMM1 0xc00302b -+#define MASK_VENQIMM1 0xfe007fff -+#define MATCH_VENQIMM2 0xe00302b -+#define MASK_VENQIMM2 0xfe007fff -+#define MATCH_RDINSTRET 0xc0202073 -+#define MASK_RDINSTRET 0xfffff07f -+#define MATCH_C_SWSP 0x8 -+#define MASK_C_SWSP 0x1f -+#define MATCH_VLSTW 0x400305b -+#define MASK_VLSTW 0xfe00707f -+#define MATCH_VLSTH 0x200305b -+#define MASK_VLSTH 0xfe00707f -+#define MATCH_VLSTB 0x305b -+#define MASK_VLSTB 0xfe00707f -+#define MATCH_VLSTD 0x600305b -+#define MASK_VLSTD 0xfe00707f -+#define MATCH_ANDI 0x7013 -+#define MASK_ANDI 0x707f -+#define MATCH_FMV_X_S 0xe0000053 -+#define MASK_FMV_X_S 0xfff0707f -+#define MATCH_CUSTOM0_RD_RS1_RS2 0x700b -+#define MASK_CUSTOM0_RD_RS1_RS2 0x707f -+#define MATCH_FNMADD_S 0x4f -+#define MASK_FNMADD_S 0x600007f -+#define MATCH_LWU 0x6003 -+#define MASK_LWU 0x707f -+#define MATCH_CUSTOM0_RS1 0x200b -+#define MASK_CUSTOM0_RS1 0x707f -+#define MATCH_VLSEGSTBU 0x800305b -+#define MASK_VLSEGSTBU 0x1e00707f -+#define MATCH_FNMADD_D 0x200004f -+#define MASK_FNMADD_D 0x600007f -+#define MATCH_FCVT_W_S 0xc0000053 -+#define MASK_FCVT_W_S 0xfff0007f -+#define MATCH_C_SRAI 0x1019 -+#define MASK_C_SRAI 0x1c1f -+#define MATCH_MULHSU 0x2002033 -+#define MASK_MULHSU 0xfe00707f -+#define MATCH_FCVT_D_LU 0xd2300053 -+#define MASK_FCVT_D_LU 0xfff0007f -+#define MATCH_FCVT_W_D 0xc2000053 -+#define MASK_FCVT_W_D 0xfff0007f -+#define MATCH_FSUB_H 0xc000053 -+#define MASK_FSUB_H 0xfe00007f -+#define MATCH_DIVUW 0x200503b -+#define MASK_DIVUW 0xfe00707f -+#define MATCH_SLTI 0x2013 -+#define MASK_SLTI 0x707f -+#define MATCH_VLSTBU 0x800305b -+#define MASK_VLSTBU 0xfe00707f -+#define MATCH_SLTU 0x3033 -+#define MASK_SLTU 0xfe00707f -+#define MATCH_FLH 0x1007 -+#define MASK_FLH 0x707f -+#define MATCH_CUSTOM2_RD_RS1_RS2 0x705b -+#define MASK_CUSTOM2_RD_RS1_RS2 0x707f -+#define MATCH_FLD 0x3007 -+#define MASK_FLD 0x707f -+#define MATCH_FSUB_S 0x8000053 -+#define MASK_FSUB_S 0xfe00007f -+#define MATCH_FCVT_H_LU 0x6c000053 -+#define MASK_FCVT_H_LU 0xfff0007f -+#define MATCH_CUSTOM0 0xb -+#define MASK_CUSTOM0 0x707f -+#define MATCH_CUSTOM1 0x2b -+#define MASK_CUSTOM1 0x707f -+#define MATCH_CUSTOM2 0x5b -+#define MASK_CUSTOM2 0x707f -+#define MATCH_CUSTOM3 0x7b -+#define MASK_CUSTOM3 0x707f -+#define MATCH_VXCPTSAVE 0x302b -+#define MASK_VXCPTSAVE 0xfff07fff -+#define MATCH_VMSV 0x200202b -+#define MASK_VMSV 0xfff0707f -+#define MATCH_FCVT_LU_S 0xc0300053 -+#define MASK_FCVT_LU_S 0xfff0007f -+#define MATCH_AUIPC 0x17 -+#define MASK_AUIPC 0x7f -+#define MATCH_FRFLAGS 0x102073 -+#define MASK_FRFLAGS 0xfffff07f -+#define MATCH_FCVT_LU_D 0xc2300053 -+#define MASK_FCVT_LU_D 0xfff0007f -+#define MATCH_CSRRWI 0x5073 -+#define MASK_CSRRWI 0x707f -+#define MATCH_FADD_H 0x4000053 -+#define MASK_FADD_H 0xfe00007f -+#define MATCH_FSQRT_S 0x58000053 -+#define MASK_FSQRT_S 0xfff0007f -+#define MATCH_VXCPTKILL 0x400302b -+#define MASK_VXCPTKILL 0xffffffff -+#define MATCH_STOP 0x5077 -+#define MASK_STOP 0xffffffff -+#define MATCH_FSGNJN_S 0x20001053 -+#define MASK_FSGNJN_S 0xfe00707f -+#define MATCH_FSGNJN_H 0x34000053 -+#define MASK_FSGNJN_H 0xfe00707f -+#define MATCH_FSQRT_D 0x5a000053 -+#define MASK_FSQRT_D 0xfff0007f -+#define MATCH_XORI 0x4013 -+#define MASK_XORI 0x707f -+#define MATCH_DIVU 0x2005033 -+#define MASK_DIVU 0xfe00707f -+#define MATCH_FSGNJN_D 0x22001053 -+#define MASK_FSGNJN_D 0xfe00707f -+#define MATCH_FSQRT_H 0x24000053 -+#define MASK_FSQRT_H 0xfff0007f -+#define MATCH_VSSEGSTH 0x200307b -+#define MASK_VSSEGSTH 0x1e00707f -+#define MATCH_SW 0x2023 -+#define MASK_SW 0x707f -+#define MATCH_VLSTWU 0xc00305b -+#define MASK_VLSTWU 0xfe00707f -+#define MATCH_VFSSEGW 0x1400207b -+#define MASK_VFSSEGW 0x1ff0707f -+#define MATCH_LHU 0x5003 -+#define MASK_LHU 0x707f -+#define MATCH_SH 0x1023 -+#define MASK_SH 0x707f -+#define MATCH_FMSUB_H 0x4000047 -+#define MASK_FMSUB_H 0x600007f -+#define MATCH_VXCPTAUX 0x200402b -+#define MASK_VXCPTAUX 0xfffff07f -+#define MATCH_FMSUB_D 0x2000047 -+#define MASK_FMSUB_D 0x600007f -+#define MATCH_VFSSEGD 0x1600207b -+#define MASK_VFSSEGD 0x1ff0707f -+#define MATCH_VLSEGHU 0xa00205b -+#define MASK_VLSEGHU 0x1ff0707f -+#define MATCH_MOVN 0x2007077 -+#define MASK_MOVN 0xfe00707f -+#define MATCH_CUSTOM1_RS1 0x202b -+#define MASK_CUSTOM1_RS1 0x707f -+#define MATCH_VLSTHU 0xa00305b -+#define MASK_VLSTHU 0xfe00707f -+#define MATCH_MOVZ 0x7077 -+#define MASK_MOVZ 0xfe00707f -+#define MATCH_CSRRW 0x1073 -+#define MASK_CSRRW 0x707f -+#define MATCH_LD 0x3003 -+#define MASK_LD 0x707f -+#define MATCH_LB 0x3 -+#define MASK_LB 0x707f -+#define MATCH_VLWU 0xc00205b -+#define MASK_VLWU 0xfff0707f -+#define MATCH_LH 0x1003 -+#define MASK_LH 0x707f -+#define MATCH_LW 0x2003 -+#define MASK_LW 0x707f -+#define MATCH_CSRRC 0x3073 -+#define MASK_CSRRC 0x707f -+#define MATCH_FCVT_LU_H 0x4c000053 -+#define MASK_FCVT_LU_H 0xfff0007f -+#define MATCH_FCVT_S_D 0x40100053 -+#define MASK_FCVT_S_D 0xfff0007f -+#define MATCH_BGEU 0x7063 -+#define MASK_BGEU 0x707f -+#define MATCH_VFLSTD 0x1600305b -+#define MASK_VFLSTD 0xfe00707f -+#define MATCH_FCVT_S_L 0xd0200053 -+#define MASK_FCVT_S_L 0xfff0007f -+#define MATCH_FCVT_S_H 0x84000053 -+#define MASK_FCVT_S_H 0xfff0007f -+#define MATCH_FSCSR 0x301073 -+#define MASK_FSCSR 0xfff0707f -+#define MATCH_FCVT_S_W 0xd0000053 -+#define MASK_FCVT_S_W 0xfff0007f -+#define MATCH_VFLSTW 0x1400305b -+#define MASK_VFLSTW 0xfe00707f -+#define MATCH_VXCPTEVAC 0x600302b -+#define MASK_VXCPTEVAC 0xfff07fff -+#define MATCH_AMOMINU_D 0xc000302f -+#define MASK_AMOMINU_D 0xf800707f -+#define MATCH_FSFLAGS 0x101073 -+#define MASK_FSFLAGS 0xfff0707f -+#define MATCH_SRLI 0x5013 -+#define MASK_SRLI 0xfc00707f -+#define MATCH_C_SRLI 0x819 -+#define MASK_C_SRLI 0x1c1f -+#define MATCH_AMOMINU_W 0xc000202f -+#define MASK_AMOMINU_W 0xf800707f -+#define MATCH_SRLW 0x503b -+#define MASK_SRLW 0xfe00707f -+#define MATCH_VFLSEGW 0x1400205b -+#define MASK_VFLSEGW 0x1ff0707f -+#define MATCH_C_LD0 0x8012 -+#define MASK_C_LD0 0x801f -+#define MATCH_VLSEGBU 0x800205b -+#define MASK_VLSEGBU 0x1ff0707f -+#define MATCH_JALR 0x67 -+#define MASK_JALR 0x707f -+#define MATCH_BLT 0x4063 -+#define MASK_BLT 0x707f -+#define MATCH_CUSTOM2_RD_RS1 0x605b -+#define MASK_CUSTOM2_RD_RS1 0x707f -+#define MATCH_FCLASS_S 0xe0001053 -+#define MASK_FCLASS_S 0xfff0707f -+#define MATCH_REM 0x2006033 -+#define MASK_REM 0xfe00707f -+#define MATCH_FCLASS_D 0xe2001053 -+#define MASK_FCLASS_D 0xfff0707f -+#define MATCH_FMUL_S 0x10000053 -+#define MASK_FMUL_S 0xfe00007f -+#define MATCH_RDCYCLEH 0xc8002073 -+#define MASK_RDCYCLEH 0xfffff07f -+#define MATCH_VLSEGSTHU 0xa00305b -+#define MASK_VLSEGSTHU 0x1e00707f -+#define MATCH_FMUL_D 0x12000053 -+#define MASK_FMUL_D 0xfe00007f -+#define MATCH_ORI 0x6013 -+#define MASK_ORI 0x707f -+#define MATCH_FMUL_H 0x14000053 -+#define MASK_FMUL_H 0xfe00007f -+#define MATCH_VFLSEGD 0x1600205b -+#define MASK_VFLSEGD 0x1ff0707f -+#define MATCH_FEQ_S 0xa0002053 -+#define MASK_FEQ_S 0xfe00707f -+#define MATCH_FSGNJX_D 0x22002053 -+#define MASK_FSGNJX_D 0xfe00707f -+#define MATCH_SRAIW 0x4000501b -+#define MASK_SRAIW 0xfe00707f -+#define MATCH_FSGNJX_H 0x3c000053 -+#define MASK_FSGNJX_H 0xfe00707f -+#define MATCH_FSGNJX_S 0x20002053 -+#define MASK_FSGNJX_S 0xfe00707f -+#define MATCH_FEQ_D 0xa2002053 -+#define MASK_FEQ_D 0xfe00707f -+#define MATCH_CUSTOM1_RD_RS1 0x602b -+#define MASK_CUSTOM1_RD_RS1 0x707f -+#define MATCH_FEQ_H 0xac000053 -+#define MASK_FEQ_H 0xfe00707f -+#define MATCH_AMOMAXU_D 0xe000302f -+#define MASK_AMOMAXU_D 0xf800707f -+#define MATCH_DIVW 0x200403b -+#define MASK_DIVW 0xfe00707f -+#define MATCH_AMOMAXU_W 0xe000202f -+#define MASK_AMOMAXU_W 0xf800707f -+#define MATCH_SRAI_RV32 0x40005013 -+#define MASK_SRAI_RV32 0xfe00707f -+#define MATCH_C_SRLI32 0xc19 -+#define MASK_C_SRLI32 0x1c1f -+#define MATCH_VFSSTW 0x1400307b -+#define MASK_VFSSTW 0xfe00707f -+#define MATCH_CUSTOM0_RD 0x400b -+#define MASK_CUSTOM0_RD 0x707f -+#define MATCH_C_BEQ 0x10 -+#define MASK_C_BEQ 0x1f -+#define MATCH_VFSSTD 0x1600307b -+#define MASK_VFSSTD 0xfe00707f -+#define MATCH_CUSTOM3_RD_RS1 0x607b -+#define MASK_CUSTOM3_RD_RS1 0x707f -+#define MATCH_LR_D 0x1000302f -+#define MASK_LR_D 0xf9f0707f -+#define MATCH_LR_W 0x1000202f -+#define MASK_LR_W 0xf9f0707f -+#define MATCH_FCVT_H_WU 0x7c000053 -+#define MASK_FCVT_H_WU 0xfff0007f -+#define MATCH_VMVV 0x200002b -+#define MASK_VMVV 0xfff0707f -+#define MATCH_SLLW 0x103b -+#define MASK_SLLW 0xfe00707f -+#define MATCH_SLLI 0x1013 -+#define MASK_SLLI 0xfc00707f -+#define MATCH_BEQ 0x63 -+#define MASK_BEQ 0x707f -+#define MATCH_AND 0x7033 -+#define MASK_AND 0xfe00707f -+#define MATCH_LBU 0x4003 -+#define MASK_LBU 0x707f -+#define MATCH_FSGNJ_S 0x20000053 -+#define MASK_FSGNJ_S 0xfe00707f -+#define MATCH_FMSUB_S 0x47 -+#define MASK_FMSUB_S 0x600007f -+#define MATCH_C_SUB3 0x11c -+#define MASK_C_SUB3 0x31f -+#define MATCH_FSGNJ_H 0x2c000053 -+#define MASK_FSGNJ_H 0xfe00707f -+#define MATCH_VLB 0x205b -+#define MASK_VLB 0xfff0707f -+#define MATCH_C_ADDIW 0x1d -+#define MASK_C_ADDIW 0x1f -+#define MATCH_CUSTOM3_RS1_RS2 0x307b -+#define MASK_CUSTOM3_RS1_RS2 0x707f -+#define MATCH_FSGNJ_D 0x22000053 -+#define MASK_FSGNJ_D 0xfe00707f -+#define MATCH_VLSEGWU 0xc00205b -+#define MASK_VLSEGWU 0x1ff0707f -+#define MATCH_FCVT_S_WU 0xd0100053 -+#define MASK_FCVT_S_WU 0xfff0007f -+#define MATCH_CUSTOM3_RS1 0x207b -+#define MASK_CUSTOM3_RS1 0x707f -+#define MATCH_SC_D 0x1800302f -+#define MASK_SC_D 0xf800707f -+#define MATCH_VFSW 0x1400207b -+#define MASK_VFSW 0xfff0707f -+#define MATCH_AMOSWAP_D 0x800302f -+#define MASK_AMOSWAP_D 0xf800707f -+#define MATCH_SB 0x23 -+#define MASK_SB 0x707f -+#define MATCH_AMOSWAP_W 0x800202f -+#define MASK_AMOSWAP_W 0xf800707f -+#define MATCH_VFSD 0x1600207b -+#define MASK_VFSD 0xfff0707f -+#define MATCH_CUSTOM2_RS1 0x205b -+#define MASK_CUSTOM2_RS1 0x707f -+#define MATCH_SD 0x3023 -+#define MASK_SD 0x707f -+#define MATCH_FMV_S_X 0xf0000053 -+#define MASK_FMV_S_X 0xfff0707f -+#define MATCH_REMUW 0x200703b -+#define MASK_REMUW 0xfe00707f -+#define MATCH_JAL 0x6f -+#define MASK_JAL 0x7f -+#define MATCH_C_FSD 0x18 -+#define MASK_C_FSD 0x1f -+#define MATCH_RDCYCLE 0xc0002073 -+#define MASK_RDCYCLE 0xfffff07f -+#define MATCH_C_BNE 0x11 -+#define MASK_C_BNE 0x1f -+#define MATCH_C_ADD 0x1a -+#define MASK_C_ADD 0x801f -+#define MATCH_VXCPTCAUSE 0x402b -+#define MASK_VXCPTCAUSE 0xfffff07f -+#define MATCH_VGETCFG 0x400b -+#define MASK_VGETCFG 0xfffff07f -+#define MATCH_LUI 0x37 -+#define MASK_LUI 0x7f -+#define MATCH_VSETCFG 0x200b -+#define MASK_VSETCFG 0x7fff -+#define MATCH_C_SDSP 0x6 -+#define MASK_C_SDSP 0x1f -+#define MATCH_C_LDSP 0x4 -+#define MASK_C_LDSP 0x1f -+#define MATCH_FNMADD_H 0x400004f -+#define MASK_FNMADD_H 0x600007f -+#define MATCH_CUSTOM0_RS1_RS2 0x300b -+#define MASK_CUSTOM0_RS1_RS2 0x707f -+#define MATCH_SLLI_RV32 0x1013 -+#define MASK_SLLI_RV32 0xfe00707f -+#define MATCH_MUL 0x2000033 -+#define MASK_MUL 0xfe00707f -+#define MATCH_CSRRCI 0x7073 -+#define MASK_CSRRCI 0x707f -+#define MATCH_C_SRAI32 0x1419 -+#define MASK_C_SRAI32 0x1c1f -+#define MATCH_FLT_H 0xb4000053 -+#define MASK_FLT_H 0xfe00707f -+#define MATCH_SRAI 0x40005013 -+#define MASK_SRAI 0xfc00707f -+#define MATCH_AMOAND_D 0x6000302f -+#define MASK_AMOAND_D 0xf800707f -+#define MATCH_FLT_D 0xa2001053 -+#define MASK_FLT_D 0xfe00707f -+#define MATCH_SRAW 0x4000503b -+#define MASK_SRAW 0xfe00707f -+#define MATCH_CSRRS 0x2073 -+#define MASK_CSRRS 0x707f -+#define MATCH_FLT_S 0xa0001053 -+#define MASK_FLT_S 0xfe00707f -+#define MATCH_ADDIW 0x1b -+#define MASK_ADDIW 0x707f -+#define MATCH_AMOAND_W 0x6000202f -+#define MASK_AMOAND_W 0xf800707f -+#define MATCH_CUSTOM2_RD 0x405b -+#define MASK_CUSTOM2_RD 0x707f -+#define MATCH_FCVT_WU_D 0xc2100053 -+#define MASK_FCVT_WU_D 0xfff0007f -+#define MATCH_AMOXOR_W 0x2000202f -+#define MASK_AMOXOR_W 0xf800707f -+#define MATCH_FCVT_D_L 0xd2200053 -+#define MASK_FCVT_D_L 0xfff0007f -+#define MATCH_FCVT_WU_H 0x5c000053 -+#define MASK_FCVT_WU_H 0xfff0007f -+#define MATCH_C_SLLI 0x19 -+#define MASK_C_SLLI 0x1c1f -+#define MATCH_AMOXOR_D 0x2000302f -+#define MASK_AMOXOR_D 0xf800707f -+#define MATCH_FCVT_WU_S 0xc0100053 -+#define MASK_FCVT_WU_S 0xfff0007f -+#define MATCH_CUSTOM3_RD 0x407b -+#define MASK_CUSTOM3_RD 0x707f -+#define MATCH_FMAX_H 0xcc000053 -+#define MASK_FMAX_H 0xfe00707f -+#define MATCH_VENQCNT 0x1000302b -+#define MASK_VENQCNT 0xfe007fff -+#define MATCH_VLBU 0x800205b -+#define MASK_VLBU 0xfff0707f -+#define MATCH_VLHU 0xa00205b -+#define MASK_VLHU 0xfff0707f -+#define MATCH_C_SW 0xd -+#define MASK_C_SW 0x1f -+#define MATCH_C_SD 0xc -+#define MASK_C_SD 0x1f -+#define MATCH_C_OR3 0x21c -+#define MASK_C_OR3 0x31f -+#define MATCH_C_AND3 0x31c -+#define MASK_C_AND3 0x31f -+#define MATCH_VFSSEGSTW 0x1400307b -+#define MASK_VFSSEGSTW 0x1e00707f -+#define MATCH_SLT 0x2033 -+#define MASK_SLT 0xfe00707f -+#define MATCH_AMOOR_D 0x4000302f -+#define MASK_AMOOR_D 0xf800707f -+#define MATCH_REMU 0x2007033 -+#define MASK_REMU 0xfe00707f -+#define MATCH_REMW 0x200603b -+#define MASK_REMW 0xfe00707f -+#define MATCH_SLL 0x1033 -+#define MASK_SLL 0xfe00707f -+#define MATCH_VFSSEGSTD 0x1600307b -+#define MASK_VFSSEGSTD 0x1e00707f -+#define MATCH_AMOOR_W 0x4000202f -+#define MASK_AMOOR_W 0xf800707f -+#define MATCH_CUSTOM2_RS1_RS2 0x305b -+#define MASK_CUSTOM2_RS1_RS2 0x707f -+#define MATCH_VF 0x10202b -+#define MASK_VF 0x1f0707f -+#define MATCH_VFMVV 0x1000002b -+#define MASK_VFMVV 0xfff0707f -+#define MATCH_VFLSEGSTW 0x1400305b -+#define MASK_VFLSEGSTW 0x1e00707f -+#define MATCH_VXCPTRESTORE 0x200302b -+#define MASK_VXCPTRESTORE 0xfff07fff -+#define MATCH_VXCPTHOLD 0x800302b -+#define MASK_VXCPTHOLD 0xffffffff -+#define MATCH_SLTIU 0x3013 -+#define MASK_SLTIU 0x707f -+#define MATCH_VFLSEGSTD 0x1600305b -+#define MASK_VFLSEGSTD 0x1e00707f -+#define MATCH_VFLD 0x1600205b -+#define MASK_VFLD 0xfff0707f -+#define MATCH_FMADD_S 0x43 -+#define MASK_FMADD_S 0x600007f -+#define MATCH_VFLW 0x1400205b -+#define MASK_VFLW 0xfff0707f -+#define MATCH_FMADD_D 0x2000043 -+#define MASK_FMADD_D 0x600007f -+#define MATCH_FMADD_H 0x4000043 -+#define MASK_FMADD_H 0x600007f -+#define MATCH_SRET 0x80000073 -+#define MASK_SRET 0xffffffff -+#define MATCH_VSSEGW 0x400207b -+#define MASK_VSSEGW 0x1ff0707f -+#define MATCH_CUSTOM0_RD_RS1 0x600b -+#define MASK_CUSTOM0_RD_RS1 0x707f -+#define MATCH_VSSEGH 0x200207b -+#define MASK_VSSEGH 0x1ff0707f -+#define MATCH_FRCSR 0x302073 -+#define MASK_FRCSR 0xfffff07f -+#define MATCH_VSSEGD 0x600207b -+#define MASK_VSSEGD 0x1ff0707f -+#define MATCH_VSSEGB 0x207b -+#define MASK_VSSEGB 0x1ff0707f -+#define MATCH_FMIN_H 0xc4000053 -+#define MASK_FMIN_H 0xfe00707f -+#define MATCH_FMIN_D 0x2a000053 -+#define MASK_FMIN_D 0xfe00707f -+#define MATCH_BLTU 0x6063 -+#define MASK_BLTU 0x707f -+#define MATCH_FMIN_S 0x28000053 -+#define MASK_FMIN_S 0xfe00707f -+#define MATCH_SRLI_RV32 0x5013 -+#define MASK_SRLI_RV32 0xfe00707f -+#define MATCH_SLLIW 0x101b -+#define MASK_SLLIW 0xfe00707f -+#define MATCH_FMAX_S 0x28001053 -+#define MASK_FMAX_S 0xfe00707f -+#define MATCH_FCVT_D_H 0x8c000053 -+#define MASK_FCVT_D_H 0xfff0007f -+#define MATCH_FCVT_D_W 0xd2000053 -+#define MASK_FCVT_D_W 0xfff0007f -+#define MATCH_ADD 0x33 -+#define MASK_ADD 0xfe00707f -+#define MATCH_FCVT_D_S 0x42000053 -+#define MASK_FCVT_D_S 0xfff0007f -+#define MATCH_FMAX_D 0x2a001053 -+#define MASK_FMAX_D 0xfe00707f -+#define MATCH_BNE 0x1063 -+#define MASK_BNE 0x707f -+#define MATCH_CUSTOM1_RD 0x402b -+#define MASK_CUSTOM1_RD 0x707f -+#define MATCH_FSRM 0x201073 -+#define MASK_FSRM 0xfff0707f -+#define MATCH_FDIV_D 0x1a000053 -+#define MASK_FDIV_D 0xfe00007f -+#define MATCH_VSW 0x400207b -+#define MASK_VSW 0xfff0707f -+#define MATCH_FCVT_L_S 0xc0200053 -+#define MASK_FCVT_L_S 0xfff0007f -+#define MATCH_FDIV_H 0x1c000053 -+#define MASK_FDIV_H 0xfe00007f -+#define MATCH_VSB 0x207b -+#define MASK_VSB 0xfff0707f -+#define MATCH_FDIV_S 0x18000053 -+#define MASK_FDIV_S 0xfe00007f -+#define MATCH_FSRMI 0x205073 -+#define MASK_FSRMI 0xfff0707f -+#define MATCH_FCVT_L_H 0x44000053 -+#define MASK_FCVT_L_H 0xfff0007f -+#define MATCH_VSH 0x200207b -+#define MASK_VSH 0xfff0707f -+#define MATCH_FCVT_L_D 0xc2200053 -+#define MASK_FCVT_L_D 0xfff0007f -+#define MATCH_FCVT_H_S 0x90000053 -+#define MASK_FCVT_H_S 0xfff0007f -+#define MATCH_SCALL 0x73 -+#define MASK_SCALL 0xffffffff -+#define MATCH_FSFLAGSI 0x105073 -+#define MASK_FSFLAGSI 0xfff0707f -+#define MATCH_FCVT_H_W 0x74000053 -+#define MASK_FCVT_H_W 0xfff0007f -+#define MATCH_FCVT_H_L 0x64000053 -+#define MASK_FCVT_H_L 0xfff0007f -+#define MATCH_SRLIW 0x501b -+#define MASK_SRLIW 0xfe00707f -+#define MATCH_FCVT_S_LU 0xd0300053 -+#define MASK_FCVT_S_LU 0xfff0007f -+#define MATCH_FCVT_H_D 0x92000053 -+#define MASK_FCVT_H_D 0xfff0007f -+#define MATCH_SBREAK 0x100073 -+#define MASK_SBREAK 0xffffffff -+#define MATCH_RDINSTRETH 0xc8202073 -+#define MASK_RDINSTRETH 0xfffff07f -+#define MATCH_SRA 0x40005033 -+#define MASK_SRA 0xfe00707f -+#define MATCH_BGE 0x5063 -+#define MASK_BGE 0x707f -+#define MATCH_SRL 0x5033 -+#define MASK_SRL 0xfe00707f -+#define MATCH_VENQCMD 0xa00302b -+#define MASK_VENQCMD 0xfe007fff -+#define MATCH_OR 0x6033 -+#define MASK_OR 0xfe00707f -+#define MATCH_SUBW 0x4000003b -+#define MASK_SUBW 0xfe00707f -+#define MATCH_FMV_X_D 0xe2000053 -+#define MASK_FMV_X_D 0xfff0707f -+#define MATCH_RDTIME 0xc0102073 -+#define MASK_RDTIME 0xfffff07f -+#define MATCH_AMOADD_D 0x302f -+#define MASK_AMOADD_D 0xf800707f -+#define MATCH_AMOMAX_W 0xa000202f -+#define MASK_AMOMAX_W 0xf800707f -+#define MATCH_C_MOVE 0x2 -+#define MASK_C_MOVE 0x801f -+#define MATCH_FMOVN 0x6007077 -+#define MASK_FMOVN 0xfe00707f -+#define MATCH_C_FSW 0x16 -+#define MASK_C_FSW 0x1f -+#define MATCH_AMOADD_W 0x202f -+#define MASK_AMOADD_W 0xf800707f -+#define MATCH_AMOMAX_D 0xa000302f -+#define MASK_AMOMAX_D 0xf800707f -+#define MATCH_FMOVZ 0x4007077 -+#define MASK_FMOVZ 0xfe00707f -+#define MATCH_CUSTOM1_RS1_RS2 0x302b -+#define MASK_CUSTOM1_RS1_RS2 0x707f -+#define MATCH_FMV_X_H 0xe4000053 -+#define MASK_FMV_X_H 0xfff0707f -+#define MATCH_VSD 0x600207b -+#define MASK_VSD 0xfff0707f -+#define MATCH_VLSEGSTW 0x400305b -+#define MASK_VLSEGSTW 0x1e00707f -+#define MATCH_C_ADDI 0x1 -+#define MASK_C_ADDI 0x1f -+#define MATCH_C_SLLIW 0x1819 -+#define MASK_C_SLLIW 0x1c1f -+#define MATCH_VLSEGSTB 0x305b -+#define MASK_VLSEGSTB 0x1e00707f -+#define MATCH_VLSEGSTD 0x600305b -+#define MASK_VLSEGSTD 0x1e00707f -+#define MATCH_VLSEGSTH 0x200305b -+#define MASK_VLSEGSTH 0x1e00707f -+#define MATCH_MULHU 0x2003033 -+#define MASK_MULHU 0xfe00707f -+#define MATCH_AMOMIN_W 0x8000202f -+#define MASK_AMOMIN_W 0xf800707f -+#define MATCH_C_SLLI32 0x419 -+#define MASK_C_SLLI32 0x1c1f -+#define MATCH_C_ADD3 0x1c -+#define MASK_C_ADD3 0x31f -+#define MATCH_VGETVL 0x200400b -+#define MASK_VGETVL 0xfffff07f -+#define MATCH_AMOMIN_D 0x8000302f -+#define MASK_AMOMIN_D 0xf800707f -+#define MATCH_FCVT_W_H 0x54000053 -+#define MASK_FCVT_W_H 0xfff0007f -+#define MATCH_VLSEGB 0x205b -+#define MASK_VLSEGB 0x1ff0707f -+#define MATCH_FSD 0x3027 -+#define MASK_FSD 0x707f -+#define MATCH_VLSEGD 0x600205b -+#define MASK_VLSEGD 0x1ff0707f -+#define MATCH_FSH 0x1027 -+#define MASK_FSH 0x707f -+#define MATCH_VLSEGH 0x200205b -+#define MASK_VLSEGH 0x1ff0707f -+#define MATCH_C_SUB 0x801a -+#define MASK_C_SUB 0x801f -+#define MATCH_VLSEGW 0x400205b -+#define MASK_VLSEGW 0x1ff0707f -+#define MATCH_FSW 0x2027 -+#define MASK_FSW 0x707f -+#define MATCH_C_J 0x8002 -+#define MASK_C_J 0x801f -+#define CSR_FFLAGS 0x1 -+#define CSR_FRM 0x2 -+#define CSR_FCSR 0x3 -+#define CSR_STATS 0xc0 -+#define CSR_SUP0 0x500 -+#define CSR_SUP1 0x501 -+#define CSR_EPC 0x502 -+#define CSR_BADVADDR 0x503 -+#define CSR_PTBR 0x504 -+#define CSR_ASID 0x505 -+#define CSR_COUNT 0x506 -+#define CSR_COMPARE 0x507 -+#define CSR_EVEC 0x508 -+#define CSR_CAUSE 0x509 -+#define CSR_STATUS 0x50a -+#define CSR_HARTID 0x50b -+#define CSR_IMPL 0x50c -+#define CSR_FATC 0x50d -+#define CSR_SEND_IPI 0x50e -+#define CSR_CLEAR_IPI 0x50f -+#define CSR_RESET 0x51d -+#define CSR_TOHOST 0x51e -+#define CSR_FROMHOST 0x51f -+#define CSR_CYCLE 0xc00 -+#define CSR_TIME 0xc01 -+#define CSR_INSTRET 0xc02 -+#define CSR_UARCH0 0xcc0 -+#define CSR_UARCH1 0xcc1 -+#define CSR_UARCH2 0xcc2 -+#define CSR_UARCH3 0xcc3 -+#define CSR_UARCH4 0xcc4 -+#define CSR_UARCH5 0xcc5 -+#define CSR_UARCH6 0xcc6 -+#define CSR_UARCH7 0xcc7 -+#define CSR_UARCH8 0xcc8 -+#define CSR_UARCH9 0xcc9 -+#define CSR_UARCH10 0xcca -+#define CSR_UARCH11 0xccb -+#define CSR_UARCH12 0xccc -+#define CSR_UARCH13 0xccd -+#define CSR_UARCH14 0xcce -+#define CSR_UARCH15 0xccf -+#define CSR_COUNTH 0x586 -+#define CSR_CYCLEH 0xc80 -+#define CSR_TIMEH 0xc81 -+#define CSR_INSTRETH 0xc82 -+#define CAUSE_MISALIGNED_FETCH 0x0 -+#define CAUSE_FAULT_FETCH 0x1 -+#define CAUSE_ILLEGAL_INSTRUCTION 0x2 -+#define CAUSE_PRIVILEGED_INSTRUCTION 0x3 -+#define CAUSE_FP_DISABLED 0x4 -+#define CAUSE_SYSCALL 0x6 -+#define CAUSE_BREAKPOINT 0x7 -+#define CAUSE_MISALIGNED_LOAD 0x8 -+#define CAUSE_MISALIGNED_STORE 0x9 -+#define CAUSE_FAULT_LOAD 0xa -+#define CAUSE_FAULT_STORE 0xb -+#define CAUSE_ACCELERATOR_DISABLED 0xc -+#endif -+#ifdef DECLARE_INSN -+DECLARE_INSN(custom3_rd_rs1_rs2, MATCH_CUSTOM3_RD_RS1_RS2, MASK_CUSTOM3_RD_RS1_RS2) -+DECLARE_INSN(vlsegstwu, MATCH_VLSEGSTWU, MASK_VLSEGSTWU) -+DECLARE_INSN(c_lw0, MATCH_C_LW0, MASK_C_LW0) -+DECLARE_INSN(fmv_d_x, MATCH_FMV_D_X, MASK_FMV_D_X) -+DECLARE_INSN(vlh, MATCH_VLH, MASK_VLH) -+DECLARE_INSN(c_li, MATCH_C_LI, MASK_C_LI) -+DECLARE_INSN(fadd_d, MATCH_FADD_D, MASK_FADD_D) -+DECLARE_INSN(c_ld, MATCH_C_LD, MASK_C_LD) -+DECLARE_INSN(vld, MATCH_VLD, MASK_VLD) -+DECLARE_INSN(fadd_s, MATCH_FADD_S, MASK_FADD_S) -+DECLARE_INSN(c_lw, MATCH_C_LW, MASK_C_LW) -+DECLARE_INSN(vlw, MATCH_VLW, MASK_VLW) -+DECLARE_INSN(vssegstw, MATCH_VSSEGSTW, MASK_VSSEGSTW) -+DECLARE_INSN(utidx, MATCH_UTIDX, MASK_UTIDX) -+DECLARE_INSN(c_flw, MATCH_C_FLW, MASK_C_FLW) -+DECLARE_INSN(fsub_d, MATCH_FSUB_D, MASK_FSUB_D) -+DECLARE_INSN(vssegstd, MATCH_VSSEGSTD, MASK_VSSEGSTD) -+DECLARE_INSN(vssegstb, MATCH_VSSEGSTB, MASK_VSSEGSTB) -+DECLARE_INSN(div, MATCH_DIV, MASK_DIV) -+DECLARE_INSN(fmv_h_x, MATCH_FMV_H_X, MASK_FMV_H_X) -+DECLARE_INSN(c_fld, MATCH_C_FLD, MASK_C_FLD) -+DECLARE_INSN(frrm, MATCH_FRRM, MASK_FRRM) -+DECLARE_INSN(vfmsv_s, MATCH_VFMSV_S, MASK_VFMSV_S) -+DECLARE_INSN(c_lwsp, MATCH_C_LWSP, MASK_C_LWSP) -+DECLARE_INSN(fence, MATCH_FENCE, MASK_FENCE) -+DECLARE_INSN(fnmsub_s, MATCH_FNMSUB_S, MASK_FNMSUB_S) -+DECLARE_INSN(fle_s, MATCH_FLE_S, MASK_FLE_S) -+DECLARE_INSN(fnmsub_h, MATCH_FNMSUB_H, MASK_FNMSUB_H) -+DECLARE_INSN(fle_h, MATCH_FLE_H, MASK_FLE_H) -+DECLARE_INSN(flw, MATCH_FLW, MASK_FLW) -+DECLARE_INSN(vsetvl, MATCH_VSETVL, MASK_VSETVL) -+DECLARE_INSN(vfmsv_d, MATCH_VFMSV_D, MASK_VFMSV_D) -+DECLARE_INSN(fle_d, MATCH_FLE_D, MASK_FLE_D) -+DECLARE_INSN(fence_i, MATCH_FENCE_I, MASK_FENCE_I) -+DECLARE_INSN(fnmsub_d, MATCH_FNMSUB_D, MASK_FNMSUB_D) -+DECLARE_INSN(addw, MATCH_ADDW, MASK_ADDW) -+DECLARE_INSN(xor, MATCH_XOR, MASK_XOR) -+DECLARE_INSN(sub, MATCH_SUB, MASK_SUB) -+DECLARE_INSN(vsstw, MATCH_VSSTW, MASK_VSSTW) -+DECLARE_INSN(vssth, MATCH_VSSTH, MASK_VSSTH) -+DECLARE_INSN(sc_w, MATCH_SC_W, MASK_SC_W) -+DECLARE_INSN(vsstb, MATCH_VSSTB, MASK_VSSTB) -+DECLARE_INSN(vsstd, MATCH_VSSTD, MASK_VSSTD) -+DECLARE_INSN(addi, MATCH_ADDI, MASK_ADDI) -+DECLARE_INSN(rdtimeh, MATCH_RDTIMEH, MASK_RDTIMEH) -+DECLARE_INSN(mulh, MATCH_MULH, MASK_MULH) -+DECLARE_INSN(csrrsi, MATCH_CSRRSI, MASK_CSRRSI) -+DECLARE_INSN(fcvt_d_wu, MATCH_FCVT_D_WU, MASK_FCVT_D_WU) -+DECLARE_INSN(mulw, MATCH_MULW, MASK_MULW) -+DECLARE_INSN(custom1_rd_rs1_rs2, MATCH_CUSTOM1_RD_RS1_RS2, MASK_CUSTOM1_RD_RS1_RS2) -+DECLARE_INSN(venqimm1, MATCH_VENQIMM1, MASK_VENQIMM1) -+DECLARE_INSN(venqimm2, MATCH_VENQIMM2, MASK_VENQIMM2) -+DECLARE_INSN(rdinstret, MATCH_RDINSTRET, MASK_RDINSTRET) -+DECLARE_INSN(c_swsp, MATCH_C_SWSP, MASK_C_SWSP) -+DECLARE_INSN(vlstw, MATCH_VLSTW, MASK_VLSTW) -+DECLARE_INSN(vlsth, MATCH_VLSTH, MASK_VLSTH) -+DECLARE_INSN(vlstb, MATCH_VLSTB, MASK_VLSTB) -+DECLARE_INSN(vlstd, MATCH_VLSTD, MASK_VLSTD) -+DECLARE_INSN(andi, MATCH_ANDI, MASK_ANDI) -+DECLARE_INSN(fmv_x_s, MATCH_FMV_X_S, MASK_FMV_X_S) -+DECLARE_INSN(custom0_rd_rs1_rs2, MATCH_CUSTOM0_RD_RS1_RS2, MASK_CUSTOM0_RD_RS1_RS2) -+DECLARE_INSN(fnmadd_s, MATCH_FNMADD_S, MASK_FNMADD_S) -+DECLARE_INSN(lwu, MATCH_LWU, MASK_LWU) -+DECLARE_INSN(custom0_rs1, MATCH_CUSTOM0_RS1, MASK_CUSTOM0_RS1) -+DECLARE_INSN(vlsegstbu, MATCH_VLSEGSTBU, MASK_VLSEGSTBU) -+DECLARE_INSN(fnmadd_d, MATCH_FNMADD_D, MASK_FNMADD_D) -+DECLARE_INSN(fcvt_w_s, MATCH_FCVT_W_S, MASK_FCVT_W_S) -+DECLARE_INSN(c_srai, MATCH_C_SRAI, MASK_C_SRAI) -+DECLARE_INSN(mulhsu, MATCH_MULHSU, MASK_MULHSU) -+DECLARE_INSN(fcvt_d_lu, MATCH_FCVT_D_LU, MASK_FCVT_D_LU) -+DECLARE_INSN(fcvt_w_d, MATCH_FCVT_W_D, MASK_FCVT_W_D) -+DECLARE_INSN(fsub_h, MATCH_FSUB_H, MASK_FSUB_H) -+DECLARE_INSN(divuw, MATCH_DIVUW, MASK_DIVUW) -+DECLARE_INSN(slti, MATCH_SLTI, MASK_SLTI) -+DECLARE_INSN(vlstbu, MATCH_VLSTBU, MASK_VLSTBU) -+DECLARE_INSN(sltu, MATCH_SLTU, MASK_SLTU) -+DECLARE_INSN(flh, MATCH_FLH, MASK_FLH) -+DECLARE_INSN(custom2_rd_rs1_rs2, MATCH_CUSTOM2_RD_RS1_RS2, MASK_CUSTOM2_RD_RS1_RS2) -+DECLARE_INSN(fld, MATCH_FLD, MASK_FLD) -+DECLARE_INSN(fsub_s, MATCH_FSUB_S, MASK_FSUB_S) -+DECLARE_INSN(fcvt_h_lu, MATCH_FCVT_H_LU, MASK_FCVT_H_LU) -+DECLARE_INSN(custom0, MATCH_CUSTOM0, MASK_CUSTOM0) -+DECLARE_INSN(custom1, MATCH_CUSTOM1, MASK_CUSTOM1) -+DECLARE_INSN(custom2, MATCH_CUSTOM2, MASK_CUSTOM2) -+DECLARE_INSN(custom3, MATCH_CUSTOM3, MASK_CUSTOM3) -+DECLARE_INSN(vxcptsave, MATCH_VXCPTSAVE, MASK_VXCPTSAVE) -+DECLARE_INSN(vmsv, MATCH_VMSV, MASK_VMSV) -+DECLARE_INSN(fcvt_lu_s, MATCH_FCVT_LU_S, MASK_FCVT_LU_S) -+DECLARE_INSN(auipc, MATCH_AUIPC, MASK_AUIPC) -+DECLARE_INSN(frflags, MATCH_FRFLAGS, MASK_FRFLAGS) -+DECLARE_INSN(fcvt_lu_d, MATCH_FCVT_LU_D, MASK_FCVT_LU_D) -+DECLARE_INSN(csrrwi, MATCH_CSRRWI, MASK_CSRRWI) -+DECLARE_INSN(fadd_h, MATCH_FADD_H, MASK_FADD_H) -+DECLARE_INSN(fsqrt_s, MATCH_FSQRT_S, MASK_FSQRT_S) -+DECLARE_INSN(vxcptkill, MATCH_VXCPTKILL, MASK_VXCPTKILL) -+DECLARE_INSN(stop, MATCH_STOP, MASK_STOP) -+DECLARE_INSN(fsgnjn_s, MATCH_FSGNJN_S, MASK_FSGNJN_S) -+DECLARE_INSN(fsgnjn_h, MATCH_FSGNJN_H, MASK_FSGNJN_H) -+DECLARE_INSN(fsqrt_d, MATCH_FSQRT_D, MASK_FSQRT_D) -+DECLARE_INSN(xori, MATCH_XORI, MASK_XORI) -+DECLARE_INSN(divu, MATCH_DIVU, MASK_DIVU) -+DECLARE_INSN(fsgnjn_d, MATCH_FSGNJN_D, MASK_FSGNJN_D) -+DECLARE_INSN(fsqrt_h, MATCH_FSQRT_H, MASK_FSQRT_H) -+DECLARE_INSN(vssegsth, MATCH_VSSEGSTH, MASK_VSSEGSTH) -+DECLARE_INSN(sw, MATCH_SW, MASK_SW) -+DECLARE_INSN(vlstwu, MATCH_VLSTWU, MASK_VLSTWU) -+DECLARE_INSN(vfssegw, MATCH_VFSSEGW, MASK_VFSSEGW) -+DECLARE_INSN(lhu, MATCH_LHU, MASK_LHU) -+DECLARE_INSN(sh, MATCH_SH, MASK_SH) -+DECLARE_INSN(fmsub_h, MATCH_FMSUB_H, MASK_FMSUB_H) -+DECLARE_INSN(vxcptaux, MATCH_VXCPTAUX, MASK_VXCPTAUX) -+DECLARE_INSN(fmsub_d, MATCH_FMSUB_D, MASK_FMSUB_D) -+DECLARE_INSN(vfssegd, MATCH_VFSSEGD, MASK_VFSSEGD) -+DECLARE_INSN(vlseghu, MATCH_VLSEGHU, MASK_VLSEGHU) -+DECLARE_INSN(movn, MATCH_MOVN, MASK_MOVN) -+DECLARE_INSN(custom1_rs1, MATCH_CUSTOM1_RS1, MASK_CUSTOM1_RS1) -+DECLARE_INSN(vlsthu, MATCH_VLSTHU, MASK_VLSTHU) -+DECLARE_INSN(movz, MATCH_MOVZ, MASK_MOVZ) -+DECLARE_INSN(csrrw, MATCH_CSRRW, MASK_CSRRW) -+DECLARE_INSN(ld, MATCH_LD, MASK_LD) -+DECLARE_INSN(lb, MATCH_LB, MASK_LB) -+DECLARE_INSN(vlwu, MATCH_VLWU, MASK_VLWU) -+DECLARE_INSN(lh, MATCH_LH, MASK_LH) -+DECLARE_INSN(lw, MATCH_LW, MASK_LW) -+DECLARE_INSN(csrrc, MATCH_CSRRC, MASK_CSRRC) -+DECLARE_INSN(fcvt_lu_h, MATCH_FCVT_LU_H, MASK_FCVT_LU_H) -+DECLARE_INSN(fcvt_s_d, MATCH_FCVT_S_D, MASK_FCVT_S_D) -+DECLARE_INSN(bgeu, MATCH_BGEU, MASK_BGEU) -+DECLARE_INSN(vflstd, MATCH_VFLSTD, MASK_VFLSTD) -+DECLARE_INSN(fcvt_s_l, MATCH_FCVT_S_L, MASK_FCVT_S_L) -+DECLARE_INSN(fcvt_s_h, MATCH_FCVT_S_H, MASK_FCVT_S_H) -+DECLARE_INSN(fscsr, MATCH_FSCSR, MASK_FSCSR) -+DECLARE_INSN(fcvt_s_w, MATCH_FCVT_S_W, MASK_FCVT_S_W) -+DECLARE_INSN(vflstw, MATCH_VFLSTW, MASK_VFLSTW) -+DECLARE_INSN(vxcptevac, MATCH_VXCPTEVAC, MASK_VXCPTEVAC) -+DECLARE_INSN(amominu_d, MATCH_AMOMINU_D, MASK_AMOMINU_D) -+DECLARE_INSN(fsflags, MATCH_FSFLAGS, MASK_FSFLAGS) -+DECLARE_INSN(srli, MATCH_SRLI, MASK_SRLI) -+DECLARE_INSN(c_srli, MATCH_C_SRLI, MASK_C_SRLI) -+DECLARE_INSN(amominu_w, MATCH_AMOMINU_W, MASK_AMOMINU_W) -+DECLARE_INSN(srlw, MATCH_SRLW, MASK_SRLW) -+DECLARE_INSN(vflsegw, MATCH_VFLSEGW, MASK_VFLSEGW) -+DECLARE_INSN(c_ld0, MATCH_C_LD0, MASK_C_LD0) -+DECLARE_INSN(vlsegbu, MATCH_VLSEGBU, MASK_VLSEGBU) -+DECLARE_INSN(jalr, MATCH_JALR, MASK_JALR) -+DECLARE_INSN(blt, MATCH_BLT, MASK_BLT) -+DECLARE_INSN(custom2_rd_rs1, MATCH_CUSTOM2_RD_RS1, MASK_CUSTOM2_RD_RS1) -+DECLARE_INSN(fclass_s, MATCH_FCLASS_S, MASK_FCLASS_S) -+DECLARE_INSN(rem, MATCH_REM, MASK_REM) -+DECLARE_INSN(fclass_d, MATCH_FCLASS_D, MASK_FCLASS_D) -+DECLARE_INSN(fmul_s, MATCH_FMUL_S, MASK_FMUL_S) -+DECLARE_INSN(rdcycleh, MATCH_RDCYCLEH, MASK_RDCYCLEH) -+DECLARE_INSN(vlsegsthu, MATCH_VLSEGSTHU, MASK_VLSEGSTHU) -+DECLARE_INSN(fmul_d, MATCH_FMUL_D, MASK_FMUL_D) -+DECLARE_INSN(ori, MATCH_ORI, MASK_ORI) -+DECLARE_INSN(fmul_h, MATCH_FMUL_H, MASK_FMUL_H) -+DECLARE_INSN(vflsegd, MATCH_VFLSEGD, MASK_VFLSEGD) -+DECLARE_INSN(feq_s, MATCH_FEQ_S, MASK_FEQ_S) -+DECLARE_INSN(fsgnjx_d, MATCH_FSGNJX_D, MASK_FSGNJX_D) -+DECLARE_INSN(sraiw, MATCH_SRAIW, MASK_SRAIW) -+DECLARE_INSN(fsgnjx_h, MATCH_FSGNJX_H, MASK_FSGNJX_H) -+DECLARE_INSN(fsgnjx_s, MATCH_FSGNJX_S, MASK_FSGNJX_S) -+DECLARE_INSN(feq_d, MATCH_FEQ_D, MASK_FEQ_D) -+DECLARE_INSN(custom1_rd_rs1, MATCH_CUSTOM1_RD_RS1, MASK_CUSTOM1_RD_RS1) -+DECLARE_INSN(feq_h, MATCH_FEQ_H, MASK_FEQ_H) -+DECLARE_INSN(amomaxu_d, MATCH_AMOMAXU_D, MASK_AMOMAXU_D) -+DECLARE_INSN(divw, MATCH_DIVW, MASK_DIVW) -+DECLARE_INSN(amomaxu_w, MATCH_AMOMAXU_W, MASK_AMOMAXU_W) -+DECLARE_INSN(srai_rv32, MATCH_SRAI_RV32, MASK_SRAI_RV32) -+DECLARE_INSN(c_srli32, MATCH_C_SRLI32, MASK_C_SRLI32) -+DECLARE_INSN(vfsstw, MATCH_VFSSTW, MASK_VFSSTW) -+DECLARE_INSN(custom0_rd, MATCH_CUSTOM0_RD, MASK_CUSTOM0_RD) -+DECLARE_INSN(c_beq, MATCH_C_BEQ, MASK_C_BEQ) -+DECLARE_INSN(vfsstd, MATCH_VFSSTD, MASK_VFSSTD) -+DECLARE_INSN(custom3_rd_rs1, MATCH_CUSTOM3_RD_RS1, MASK_CUSTOM3_RD_RS1) -+DECLARE_INSN(lr_d, MATCH_LR_D, MASK_LR_D) -+DECLARE_INSN(lr_w, MATCH_LR_W, MASK_LR_W) -+DECLARE_INSN(fcvt_h_wu, MATCH_FCVT_H_WU, MASK_FCVT_H_WU) -+DECLARE_INSN(vmvv, MATCH_VMVV, MASK_VMVV) -+DECLARE_INSN(sllw, MATCH_SLLW, MASK_SLLW) -+DECLARE_INSN(slli, MATCH_SLLI, MASK_SLLI) -+DECLARE_INSN(beq, MATCH_BEQ, MASK_BEQ) -+DECLARE_INSN(and, MATCH_AND, MASK_AND) -+DECLARE_INSN(lbu, MATCH_LBU, MASK_LBU) -+DECLARE_INSN(fsgnj_s, MATCH_FSGNJ_S, MASK_FSGNJ_S) -+DECLARE_INSN(fmsub_s, MATCH_FMSUB_S, MASK_FMSUB_S) -+DECLARE_INSN(c_sub3, MATCH_C_SUB3, MASK_C_SUB3) -+DECLARE_INSN(fsgnj_h, MATCH_FSGNJ_H, MASK_FSGNJ_H) -+DECLARE_INSN(vlb, MATCH_VLB, MASK_VLB) -+DECLARE_INSN(c_addiw, MATCH_C_ADDIW, MASK_C_ADDIW) -+DECLARE_INSN(custom3_rs1_rs2, MATCH_CUSTOM3_RS1_RS2, MASK_CUSTOM3_RS1_RS2) -+DECLARE_INSN(fsgnj_d, MATCH_FSGNJ_D, MASK_FSGNJ_D) -+DECLARE_INSN(vlsegwu, MATCH_VLSEGWU, MASK_VLSEGWU) -+DECLARE_INSN(fcvt_s_wu, MATCH_FCVT_S_WU, MASK_FCVT_S_WU) -+DECLARE_INSN(custom3_rs1, MATCH_CUSTOM3_RS1, MASK_CUSTOM3_RS1) -+DECLARE_INSN(sc_d, MATCH_SC_D, MASK_SC_D) -+DECLARE_INSN(vfsw, MATCH_VFSW, MASK_VFSW) -+DECLARE_INSN(amoswap_d, MATCH_AMOSWAP_D, MASK_AMOSWAP_D) -+DECLARE_INSN(sb, MATCH_SB, MASK_SB) -+DECLARE_INSN(amoswap_w, MATCH_AMOSWAP_W, MASK_AMOSWAP_W) -+DECLARE_INSN(vfsd, MATCH_VFSD, MASK_VFSD) -+DECLARE_INSN(custom2_rs1, MATCH_CUSTOM2_RS1, MASK_CUSTOM2_RS1) -+DECLARE_INSN(sd, MATCH_SD, MASK_SD) -+DECLARE_INSN(fmv_s_x, MATCH_FMV_S_X, MASK_FMV_S_X) -+DECLARE_INSN(remuw, MATCH_REMUW, MASK_REMUW) -+DECLARE_INSN(jal, MATCH_JAL, MASK_JAL) -+DECLARE_INSN(c_fsd, MATCH_C_FSD, MASK_C_FSD) -+DECLARE_INSN(rdcycle, MATCH_RDCYCLE, MASK_RDCYCLE) -+DECLARE_INSN(c_bne, MATCH_C_BNE, MASK_C_BNE) -+DECLARE_INSN(c_add, MATCH_C_ADD, MASK_C_ADD) -+DECLARE_INSN(vxcptcause, MATCH_VXCPTCAUSE, MASK_VXCPTCAUSE) -+DECLARE_INSN(vgetcfg, MATCH_VGETCFG, MASK_VGETCFG) -+DECLARE_INSN(lui, MATCH_LUI, MASK_LUI) -+DECLARE_INSN(vsetcfg, MATCH_VSETCFG, MASK_VSETCFG) -+DECLARE_INSN(c_sdsp, MATCH_C_SDSP, MASK_C_SDSP) -+DECLARE_INSN(c_ldsp, MATCH_C_LDSP, MASK_C_LDSP) -+DECLARE_INSN(fnmadd_h, MATCH_FNMADD_H, MASK_FNMADD_H) -+DECLARE_INSN(custom0_rs1_rs2, MATCH_CUSTOM0_RS1_RS2, MASK_CUSTOM0_RS1_RS2) -+DECLARE_INSN(slli_rv32, MATCH_SLLI_RV32, MASK_SLLI_RV32) -+DECLARE_INSN(mul, MATCH_MUL, MASK_MUL) -+DECLARE_INSN(csrrci, MATCH_CSRRCI, MASK_CSRRCI) -+DECLARE_INSN(c_srai32, MATCH_C_SRAI32, MASK_C_SRAI32) -+DECLARE_INSN(flt_h, MATCH_FLT_H, MASK_FLT_H) -+DECLARE_INSN(srai, MATCH_SRAI, MASK_SRAI) -+DECLARE_INSN(amoand_d, MATCH_AMOAND_D, MASK_AMOAND_D) -+DECLARE_INSN(flt_d, MATCH_FLT_D, MASK_FLT_D) -+DECLARE_INSN(sraw, MATCH_SRAW, MASK_SRAW) -+DECLARE_INSN(csrrs, MATCH_CSRRS, MASK_CSRRS) -+DECLARE_INSN(flt_s, MATCH_FLT_S, MASK_FLT_S) -+DECLARE_INSN(addiw, MATCH_ADDIW, MASK_ADDIW) -+DECLARE_INSN(amoand_w, MATCH_AMOAND_W, MASK_AMOAND_W) -+DECLARE_INSN(custom2_rd, MATCH_CUSTOM2_RD, MASK_CUSTOM2_RD) -+DECLARE_INSN(fcvt_wu_d, MATCH_FCVT_WU_D, MASK_FCVT_WU_D) -+DECLARE_INSN(amoxor_w, MATCH_AMOXOR_W, MASK_AMOXOR_W) -+DECLARE_INSN(fcvt_d_l, MATCH_FCVT_D_L, MASK_FCVT_D_L) -+DECLARE_INSN(fcvt_wu_h, MATCH_FCVT_WU_H, MASK_FCVT_WU_H) -+DECLARE_INSN(c_slli, MATCH_C_SLLI, MASK_C_SLLI) -+DECLARE_INSN(amoxor_d, MATCH_AMOXOR_D, MASK_AMOXOR_D) -+DECLARE_INSN(fcvt_wu_s, MATCH_FCVT_WU_S, MASK_FCVT_WU_S) -+DECLARE_INSN(custom3_rd, MATCH_CUSTOM3_RD, MASK_CUSTOM3_RD) -+DECLARE_INSN(fmax_h, MATCH_FMAX_H, MASK_FMAX_H) -+DECLARE_INSN(venqcnt, MATCH_VENQCNT, MASK_VENQCNT) -+DECLARE_INSN(vlbu, MATCH_VLBU, MASK_VLBU) -+DECLARE_INSN(vlhu, MATCH_VLHU, MASK_VLHU) -+DECLARE_INSN(c_sw, MATCH_C_SW, MASK_C_SW) -+DECLARE_INSN(c_sd, MATCH_C_SD, MASK_C_SD) -+DECLARE_INSN(c_or3, MATCH_C_OR3, MASK_C_OR3) -+DECLARE_INSN(c_and3, MATCH_C_AND3, MASK_C_AND3) -+DECLARE_INSN(vfssegstw, MATCH_VFSSEGSTW, MASK_VFSSEGSTW) -+DECLARE_INSN(slt, MATCH_SLT, MASK_SLT) -+DECLARE_INSN(amoor_d, MATCH_AMOOR_D, MASK_AMOOR_D) -+DECLARE_INSN(remu, MATCH_REMU, MASK_REMU) -+DECLARE_INSN(remw, MATCH_REMW, MASK_REMW) -+DECLARE_INSN(sll, MATCH_SLL, MASK_SLL) -+DECLARE_INSN(vfssegstd, MATCH_VFSSEGSTD, MASK_VFSSEGSTD) -+DECLARE_INSN(amoor_w, MATCH_AMOOR_W, MASK_AMOOR_W) -+DECLARE_INSN(custom2_rs1_rs2, MATCH_CUSTOM2_RS1_RS2, MASK_CUSTOM2_RS1_RS2) -+DECLARE_INSN(vf, MATCH_VF, MASK_VF) -+DECLARE_INSN(vfmvv, MATCH_VFMVV, MASK_VFMVV) -+DECLARE_INSN(vflsegstw, MATCH_VFLSEGSTW, MASK_VFLSEGSTW) -+DECLARE_INSN(vxcptrestore, MATCH_VXCPTRESTORE, MASK_VXCPTRESTORE) -+DECLARE_INSN(vxcpthold, MATCH_VXCPTHOLD, MASK_VXCPTHOLD) -+DECLARE_INSN(sltiu, MATCH_SLTIU, MASK_SLTIU) -+DECLARE_INSN(vflsegstd, MATCH_VFLSEGSTD, MASK_VFLSEGSTD) -+DECLARE_INSN(vfld, MATCH_VFLD, MASK_VFLD) -+DECLARE_INSN(fmadd_s, MATCH_FMADD_S, MASK_FMADD_S) -+DECLARE_INSN(vflw, MATCH_VFLW, MASK_VFLW) -+DECLARE_INSN(fmadd_d, MATCH_FMADD_D, MASK_FMADD_D) -+DECLARE_INSN(fmadd_h, MATCH_FMADD_H, MASK_FMADD_H) -+DECLARE_INSN(sret, MATCH_SRET, MASK_SRET) -+DECLARE_INSN(vssegw, MATCH_VSSEGW, MASK_VSSEGW) -+DECLARE_INSN(custom0_rd_rs1, MATCH_CUSTOM0_RD_RS1, MASK_CUSTOM0_RD_RS1) -+DECLARE_INSN(vssegh, MATCH_VSSEGH, MASK_VSSEGH) -+DECLARE_INSN(frcsr, MATCH_FRCSR, MASK_FRCSR) -+DECLARE_INSN(vssegd, MATCH_VSSEGD, MASK_VSSEGD) -+DECLARE_INSN(vssegb, MATCH_VSSEGB, MASK_VSSEGB) -+DECLARE_INSN(fmin_h, MATCH_FMIN_H, MASK_FMIN_H) -+DECLARE_INSN(fmin_d, MATCH_FMIN_D, MASK_FMIN_D) -+DECLARE_INSN(bltu, MATCH_BLTU, MASK_BLTU) -+DECLARE_INSN(fmin_s, MATCH_FMIN_S, MASK_FMIN_S) -+DECLARE_INSN(srli_rv32, MATCH_SRLI_RV32, MASK_SRLI_RV32) -+DECLARE_INSN(slliw, MATCH_SLLIW, MASK_SLLIW) -+DECLARE_INSN(fmax_s, MATCH_FMAX_S, MASK_FMAX_S) -+DECLARE_INSN(fcvt_d_h, MATCH_FCVT_D_H, MASK_FCVT_D_H) -+DECLARE_INSN(fcvt_d_w, MATCH_FCVT_D_W, MASK_FCVT_D_W) -+DECLARE_INSN(add, MATCH_ADD, MASK_ADD) -+DECLARE_INSN(fcvt_d_s, MATCH_FCVT_D_S, MASK_FCVT_D_S) -+DECLARE_INSN(fmax_d, MATCH_FMAX_D, MASK_FMAX_D) -+DECLARE_INSN(bne, MATCH_BNE, MASK_BNE) -+DECLARE_INSN(custom1_rd, MATCH_CUSTOM1_RD, MASK_CUSTOM1_RD) -+DECLARE_INSN(fsrm, MATCH_FSRM, MASK_FSRM) -+DECLARE_INSN(fdiv_d, MATCH_FDIV_D, MASK_FDIV_D) -+DECLARE_INSN(vsw, MATCH_VSW, MASK_VSW) -+DECLARE_INSN(fcvt_l_s, MATCH_FCVT_L_S, MASK_FCVT_L_S) -+DECLARE_INSN(fdiv_h, MATCH_FDIV_H, MASK_FDIV_H) -+DECLARE_INSN(vsb, MATCH_VSB, MASK_VSB) -+DECLARE_INSN(fdiv_s, MATCH_FDIV_S, MASK_FDIV_S) -+DECLARE_INSN(fsrmi, MATCH_FSRMI, MASK_FSRMI) -+DECLARE_INSN(fcvt_l_h, MATCH_FCVT_L_H, MASK_FCVT_L_H) -+DECLARE_INSN(vsh, MATCH_VSH, MASK_VSH) -+DECLARE_INSN(fcvt_l_d, MATCH_FCVT_L_D, MASK_FCVT_L_D) -+DECLARE_INSN(fcvt_h_s, MATCH_FCVT_H_S, MASK_FCVT_H_S) -+DECLARE_INSN(scall, MATCH_SCALL, MASK_SCALL) -+DECLARE_INSN(fsflagsi, MATCH_FSFLAGSI, MASK_FSFLAGSI) -+DECLARE_INSN(fcvt_h_w, MATCH_FCVT_H_W, MASK_FCVT_H_W) -+DECLARE_INSN(fcvt_h_l, MATCH_FCVT_H_L, MASK_FCVT_H_L) -+DECLARE_INSN(srliw, MATCH_SRLIW, MASK_SRLIW) -+DECLARE_INSN(fcvt_s_lu, MATCH_FCVT_S_LU, MASK_FCVT_S_LU) -+DECLARE_INSN(fcvt_h_d, MATCH_FCVT_H_D, MASK_FCVT_H_D) -+DECLARE_INSN(sbreak, MATCH_SBREAK, MASK_SBREAK) -+DECLARE_INSN(rdinstreth, MATCH_RDINSTRETH, MASK_RDINSTRETH) -+DECLARE_INSN(sra, MATCH_SRA, MASK_SRA) -+DECLARE_INSN(bge, MATCH_BGE, MASK_BGE) -+DECLARE_INSN(srl, MATCH_SRL, MASK_SRL) -+DECLARE_INSN(venqcmd, MATCH_VENQCMD, MASK_VENQCMD) -+DECLARE_INSN(or, MATCH_OR, MASK_OR) -+DECLARE_INSN(subw, MATCH_SUBW, MASK_SUBW) -+DECLARE_INSN(fmv_x_d, MATCH_FMV_X_D, MASK_FMV_X_D) -+DECLARE_INSN(rdtime, MATCH_RDTIME, MASK_RDTIME) -+DECLARE_INSN(amoadd_d, MATCH_AMOADD_D, MASK_AMOADD_D) -+DECLARE_INSN(amomax_w, MATCH_AMOMAX_W, MASK_AMOMAX_W) -+DECLARE_INSN(c_move, MATCH_C_MOVE, MASK_C_MOVE) -+DECLARE_INSN(fmovn, MATCH_FMOVN, MASK_FMOVN) -+DECLARE_INSN(c_fsw, MATCH_C_FSW, MASK_C_FSW) -+DECLARE_INSN(amoadd_w, MATCH_AMOADD_W, MASK_AMOADD_W) -+DECLARE_INSN(amomax_d, MATCH_AMOMAX_D, MASK_AMOMAX_D) -+DECLARE_INSN(fmovz, MATCH_FMOVZ, MASK_FMOVZ) -+DECLARE_INSN(custom1_rs1_rs2, MATCH_CUSTOM1_RS1_RS2, MASK_CUSTOM1_RS1_RS2) -+DECLARE_INSN(fmv_x_h, MATCH_FMV_X_H, MASK_FMV_X_H) -+DECLARE_INSN(vsd, MATCH_VSD, MASK_VSD) -+DECLARE_INSN(vlsegstw, MATCH_VLSEGSTW, MASK_VLSEGSTW) -+DECLARE_INSN(c_addi, MATCH_C_ADDI, MASK_C_ADDI) -+DECLARE_INSN(c_slliw, MATCH_C_SLLIW, MASK_C_SLLIW) -+DECLARE_INSN(vlsegstb, MATCH_VLSEGSTB, MASK_VLSEGSTB) -+DECLARE_INSN(vlsegstd, MATCH_VLSEGSTD, MASK_VLSEGSTD) -+DECLARE_INSN(vlsegsth, MATCH_VLSEGSTH, MASK_VLSEGSTH) -+DECLARE_INSN(mulhu, MATCH_MULHU, MASK_MULHU) -+DECLARE_INSN(amomin_w, MATCH_AMOMIN_W, MASK_AMOMIN_W) -+DECLARE_INSN(c_slli32, MATCH_C_SLLI32, MASK_C_SLLI32) -+DECLARE_INSN(c_add3, MATCH_C_ADD3, MASK_C_ADD3) -+DECLARE_INSN(vgetvl, MATCH_VGETVL, MASK_VGETVL) -+DECLARE_INSN(amomin_d, MATCH_AMOMIN_D, MASK_AMOMIN_D) -+DECLARE_INSN(fcvt_w_h, MATCH_FCVT_W_H, MASK_FCVT_W_H) -+DECLARE_INSN(vlsegb, MATCH_VLSEGB, MASK_VLSEGB) -+DECLARE_INSN(fsd, MATCH_FSD, MASK_FSD) -+DECLARE_INSN(vlsegd, MATCH_VLSEGD, MASK_VLSEGD) -+DECLARE_INSN(fsh, MATCH_FSH, MASK_FSH) -+DECLARE_INSN(vlsegh, MATCH_VLSEGH, MASK_VLSEGH) -+DECLARE_INSN(c_sub, MATCH_C_SUB, MASK_C_SUB) -+DECLARE_INSN(vlsegw, MATCH_VLSEGW, MASK_VLSEGW) -+DECLARE_INSN(fsw, MATCH_FSW, MASK_FSW) -+DECLARE_INSN(c_j, MATCH_C_J, MASK_C_J) -+#endif -+#ifdef DECLARE_CSR -+DECLARE_CSR(fflags, CSR_FFLAGS) -+DECLARE_CSR(frm, CSR_FRM) -+DECLARE_CSR(fcsr, CSR_FCSR) -+DECLARE_CSR(stats, CSR_STATS) -+DECLARE_CSR(sup0, CSR_SUP0) -+DECLARE_CSR(sup1, CSR_SUP1) -+DECLARE_CSR(epc, CSR_EPC) -+DECLARE_CSR(badvaddr, CSR_BADVADDR) -+DECLARE_CSR(ptbr, CSR_PTBR) -+DECLARE_CSR(asid, CSR_ASID) -+DECLARE_CSR(count, CSR_COUNT) -+DECLARE_CSR(compare, CSR_COMPARE) -+DECLARE_CSR(evec, CSR_EVEC) -+DECLARE_CSR(cause, CSR_CAUSE) -+DECLARE_CSR(status, CSR_STATUS) -+DECLARE_CSR(hartid, CSR_HARTID) -+DECLARE_CSR(impl, CSR_IMPL) -+DECLARE_CSR(fatc, CSR_FATC) -+DECLARE_CSR(send_ipi, CSR_SEND_IPI) -+DECLARE_CSR(clear_ipi, CSR_CLEAR_IPI) -+DECLARE_CSR(reset, CSR_RESET) -+DECLARE_CSR(tohost, CSR_TOHOST) -+DECLARE_CSR(fromhost, CSR_FROMHOST) -+DECLARE_CSR(cycle, CSR_CYCLE) -+DECLARE_CSR(time, CSR_TIME) -+DECLARE_CSR(instret, CSR_INSTRET) -+DECLARE_CSR(uarch0, CSR_UARCH0) -+DECLARE_CSR(uarch1, CSR_UARCH1) -+DECLARE_CSR(uarch2, CSR_UARCH2) -+DECLARE_CSR(uarch3, CSR_UARCH3) -+DECLARE_CSR(uarch4, CSR_UARCH4) -+DECLARE_CSR(uarch5, CSR_UARCH5) -+DECLARE_CSR(uarch6, CSR_UARCH6) -+DECLARE_CSR(uarch7, CSR_UARCH7) -+DECLARE_CSR(uarch8, CSR_UARCH8) -+DECLARE_CSR(uarch9, CSR_UARCH9) -+DECLARE_CSR(uarch10, CSR_UARCH10) -+DECLARE_CSR(uarch11, CSR_UARCH11) -+DECLARE_CSR(uarch12, CSR_UARCH12) -+DECLARE_CSR(uarch13, CSR_UARCH13) -+DECLARE_CSR(uarch14, CSR_UARCH14) -+DECLARE_CSR(uarch15, CSR_UARCH15) -+DECLARE_CSR(counth, CSR_COUNTH) -+DECLARE_CSR(cycleh, CSR_CYCLEH) -+DECLARE_CSR(timeh, CSR_TIMEH) -+DECLARE_CSR(instreth, CSR_INSTRETH) -+#endif -+#ifdef DECLARE_CAUSE -+DECLARE_CAUSE("fflags", CAUSE_FFLAGS) -+DECLARE_CAUSE("frm", CAUSE_FRM) -+DECLARE_CAUSE("fcsr", CAUSE_FCSR) -+DECLARE_CAUSE("stats", CAUSE_STATS) -+DECLARE_CAUSE("sup0", CAUSE_SUP0) -+DECLARE_CAUSE("sup1", CAUSE_SUP1) -+DECLARE_CAUSE("epc", CAUSE_EPC) -+DECLARE_CAUSE("badvaddr", CAUSE_BADVADDR) -+DECLARE_CAUSE("ptbr", CAUSE_PTBR) -+DECLARE_CAUSE("asid", CAUSE_ASID) -+DECLARE_CAUSE("count", CAUSE_COUNT) -+DECLARE_CAUSE("compare", CAUSE_COMPARE) -+DECLARE_CAUSE("evec", CAUSE_EVEC) -+DECLARE_CAUSE("cause", CAUSE_CAUSE) -+DECLARE_CAUSE("status", CAUSE_STATUS) -+DECLARE_CAUSE("hartid", CAUSE_HARTID) -+DECLARE_CAUSE("impl", CAUSE_IMPL) -+DECLARE_CAUSE("fatc", CAUSE_FATC) -+DECLARE_CAUSE("send_ipi", CAUSE_SEND_IPI) -+DECLARE_CAUSE("clear_ipi", CAUSE_CLEAR_IPI) -+DECLARE_CAUSE("reset", CAUSE_RESET) -+DECLARE_CAUSE("tohost", CAUSE_TOHOST) -+DECLARE_CAUSE("fromhost", CAUSE_FROMHOST) -+DECLARE_CAUSE("cycle", CAUSE_CYCLE) -+DECLARE_CAUSE("time", CAUSE_TIME) -+DECLARE_CAUSE("instret", CAUSE_INSTRET) -+DECLARE_CAUSE("uarch0", CAUSE_UARCH0) -+DECLARE_CAUSE("uarch1", CAUSE_UARCH1) -+DECLARE_CAUSE("uarch2", CAUSE_UARCH2) -+DECLARE_CAUSE("uarch3", CAUSE_UARCH3) -+DECLARE_CAUSE("uarch4", CAUSE_UARCH4) -+DECLARE_CAUSE("uarch5", CAUSE_UARCH5) -+DECLARE_CAUSE("uarch6", CAUSE_UARCH6) -+DECLARE_CAUSE("uarch7", CAUSE_UARCH7) -+DECLARE_CAUSE("uarch8", CAUSE_UARCH8) -+DECLARE_CAUSE("uarch9", CAUSE_UARCH9) -+DECLARE_CAUSE("uarch10", CAUSE_UARCH10) -+DECLARE_CAUSE("uarch11", CAUSE_UARCH11) -+DECLARE_CAUSE("uarch12", CAUSE_UARCH12) -+DECLARE_CAUSE("uarch13", CAUSE_UARCH13) -+DECLARE_CAUSE("uarch14", CAUSE_UARCH14) -+DECLARE_CAUSE("uarch15", CAUSE_UARCH15) -+DECLARE_CAUSE("counth", CAUSE_COUNTH) -+DECLARE_CAUSE("cycleh", CAUSE_CYCLEH) -+DECLARE_CAUSE("timeh", CAUSE_TIMEH) -+DECLARE_CAUSE("instreth", CAUSE_INSTRETH) -+#endif -diff -urN original-gcc/gcc/config/riscv/riscv.opt gcc/gcc/config/riscv/riscv.opt ---- original-gcc/gcc/config/riscv/riscv.opt 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv.opt 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,75 @@ -+; Options for the MIPS port of the compiler -+; -+; Copyright (C) 2005, 2007, 2008, 2010, 2011 Free Software Foundation, Inc. -+; -+; This file is part of GCC. -+; -+; GCC is free software; you can redistribute it and/or modify it under -+; the terms of the GNU General Public License as published by the Free -+; Software Foundation; either version 3, or (at your option) any later -+; version. -+; -+; GCC is distributed in the hope that it will be useful, but WITHOUT -+; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -+; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public -+; License for more details. -+; -+; You should have received a copy of the GNU General Public License -+; along with GCC; see the file COPYING3. If not see -+; <http://www.gnu.org/licenses/>. -+ -+m32 -+Target RejectNegative Mask(32BIT) -+Generate RV32 code -+ -+m64 -+Target RejectNegative InverseMask(32BIT, 64BIT) -+Generate RV64 code -+ -+mbranch-cost= -+Target RejectNegative Joined UInteger Var(riscv_branch_cost) -+-mbranch-cost=COST Set the cost of branches to roughly COST instructions -+ -+mhard-float -+Target Report RejectNegative InverseMask(SOFT_FLOAT_ABI, HARD_FLOAT_ABI) -+Allow the use of hardware floating-point ABI and instructions -+ -+mmemcpy -+Target Report Mask(MEMCPY) -+Don't optimize block moves -+ -+mplt -+Target Report Var(TARGET_PLT) Init(1) -+When generating -fpic code, allow the use of PLTs. Ignored for fno-pic. -+ -+msoft-float -+Target Report RejectNegative Mask(SOFT_FLOAT_ABI) -+Prevent the use of all hardware floating-point instructions -+ -+mfdiv -+Target Report RejectNegative Mask(FDIV) -+Use hardware floating-point divide and square root instructions -+ -+march= -+Target RejectNegative Joined Var(riscv_arch_string) -+-march= Generate code for given RISC-V ISA (e.g. RV64IM) -+ -+mtune= -+Target RejectNegative Joined Var(riscv_tune_string) -+-mtune=PROCESSOR Optimize the output for PROCESSOR -+ -+msmall-data-limit= -+Target Joined Separate UInteger Var(g_switch_value) Init(8) -+-msmall-data-limit=<number> Put global and static data smaller than <number> bytes into a special section (on some targets) -+ -+matomic -+Target Report Mask(ATOMIC) -+Use hardware atomic memory instructions. -+ -+mmuldiv -+Target Report Mask(MULDIV) -+Use hardware instructions for integer multiplication and division. -+ -+mlra -+Target Report Var(riscv_lra_flag) Init(0) Save -+Use LRA instead of reload -diff -urN original-gcc/gcc/config/riscv/riscv-protos.h gcc/gcc/config/riscv/riscv-protos.h ---- original-gcc/gcc/config/riscv/riscv-protos.h 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/riscv-protos.h 2015-03-07 09:51:45.663139025 +0100 -@@ -0,0 +1,89 @@ -+/* Definition of RISC-V target for GNU compiler. -+ Copyright (C) 2011-2014 Free Software Foundation, Inc. -+ Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+ Based on MIPS target for GNU compiler. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify -+it under the terms of the GNU General Public License as published by -+the Free Software Foundation; either version 3, or (at your option) -+any later version. -+ -+GCC is distributed in the hope that it will be useful, -+but WITHOUT ANY WARRANTY; without even the implied warranty of -+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+GNU General Public License for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#ifndef GCC_RISCV_PROTOS_H -+#define GCC_RISCV_PROTOS_H -+ -+enum riscv_symbol_type { -+ SYMBOL_ABSOLUTE, -+ SYMBOL_GOT_DISP, -+ SYMBOL_TLS, -+ SYMBOL_TLS_LE, -+ SYMBOL_TLS_IE, -+ SYMBOL_TLS_GD -+}; -+#define NUM_SYMBOL_TYPES (SYMBOL_TLS_GD + 1) -+ -+extern bool riscv_symbolic_constant_p (rtx, enum riscv_symbol_type *); -+extern int riscv_regno_mode_ok_for_base_p (int, enum machine_mode, bool); -+extern int riscv_address_insns (rtx, enum machine_mode, bool); -+extern int riscv_const_insns (rtx); -+extern int riscv_split_const_insns (rtx); -+extern int riscv_load_store_insns (rtx, rtx); -+extern rtx riscv_emit_move (rtx, rtx); -+extern bool riscv_split_symbol (rtx, rtx, enum machine_mode, rtx *); -+extern rtx riscv_unspec_address (rtx, enum riscv_symbol_type); -+extern void riscv_move_integer (rtx, rtx, HOST_WIDE_INT); -+extern bool riscv_legitimize_move (enum machine_mode, rtx, rtx); -+extern bool riscv_legitimize_vector_move (enum machine_mode, rtx, rtx); -+ -+extern rtx riscv_subword (rtx, bool); -+extern bool riscv_split_64bit_move_p (rtx, rtx); -+extern void riscv_split_doubleword_move (rtx, rtx); -+extern const char *riscv_output_move (rtx, rtx); -+extern const char *riscv_riscv_output_vector_move (enum machine_mode, rtx, rtx); -+#ifdef RTX_CODE -+extern void riscv_expand_scc (rtx *); -+extern void riscv_expand_conditional_branch (rtx *); -+#endif -+extern rtx riscv_expand_call (bool, rtx, rtx, rtx); -+extern void riscv_expand_fcc_reload (rtx, rtx, rtx); -+extern void riscv_set_return_address (rtx, rtx); -+extern bool riscv_expand_block_move (rtx, rtx, rtx); -+extern void riscv_expand_synci_loop (rtx, rtx); -+ -+extern bool riscv_expand_ext_as_unaligned_load (rtx, rtx, HOST_WIDE_INT, -+ HOST_WIDE_INT); -+extern bool riscv_expand_ins_as_unaligned_store (rtx, rtx, HOST_WIDE_INT, -+ HOST_WIDE_INT); -+extern void riscv_order_regs_for_local_alloc (void); -+ -+extern rtx riscv_return_addr (int, rtx); -+extern HOST_WIDE_INT riscv_initial_elimination_offset (int, int); -+extern void riscv_expand_prologue (void); -+extern void riscv_expand_epilogue (bool); -+extern bool riscv_can_use_return_insn (void); -+extern rtx riscv_function_value (const_tree, const_tree, enum machine_mode); -+ -+extern enum reg_class riscv_secondary_reload_class (enum reg_class, -+ enum machine_mode, -+ rtx, bool); -+extern int riscv_class_max_nregs (enum reg_class, enum machine_mode); -+ -+extern unsigned int riscv_hard_regno_nregs (int, enum machine_mode); -+ -+extern void irix_asm_output_align (FILE *, unsigned); -+extern const char *current_section_name (void); -+extern unsigned int current_section_flags (void); -+ -+extern void riscv_expand_vector_init (rtx, rtx); -+ -+#endif /* ! GCC_RISCV_PROTOS_H */ -diff -urN original-gcc/gcc/config/riscv/sync.md gcc/gcc/config/riscv/sync.md ---- original-gcc/gcc/config/riscv/sync.md 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/sync.md 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,198 @@ -+;; Machine description for RISC-V atomic operations. -+;; Copyright (C) 2011-2014 Free Software Foundation, Inc. -+;; Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley. -+;; Based on MIPS target for GNU compiler. -+ -+;; This file is part of GCC. -+ -+;; GCC is free software; you can redistribute it and/or modify -+;; it under the terms of the GNU General Public License as published by -+;; the Free Software Foundation; either version 3, or (at your option) -+;; any later version. -+ -+;; GCC is distributed in the hope that it will be useful, -+;; but WITHOUT ANY WARRANTY; without even the implied warranty of -+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+;; GNU General Public License for more details. -+ -+;; You should have received a copy of the GNU General Public License -+;; along with GCC; see the file COPYING3. If not see -+;; <http://www.gnu.org/licenses/>. -+ -+(define_c_enum "unspec" [ -+ UNSPEC_COMPARE_AND_SWAP -+ UNSPEC_SYNC_OLD_OP -+ UNSPEC_SYNC_EXCHANGE -+ UNSPEC_ATOMIC_STORE -+ UNSPEC_MEMORY_BARRIER -+]) -+ -+(define_code_iterator any_atomic [plus ior xor and]) -+(define_code_attr atomic_optab -+ [(plus "add") (ior "or") (xor "xor") (and "and")]) -+ -+;; Memory barriers. -+ -+(define_expand "mem_thread_fence" -+ [(match_operand:SI 0 "const_int_operand" "")] ;; model -+ "" -+{ -+ if (INTVAL (operands[0]) != MEMMODEL_RELAXED) -+ { -+ rtx mem = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode)); -+ MEM_VOLATILE_P (mem) = 1; -+ emit_insn (gen_mem_thread_fence_1 (mem, operands[0])); -+ } -+ DONE; -+}) -+ -+(define_insn "mem_thread_fence_1" -+ [(set (match_operand:BLK 0 "" "") -+ (unspec:BLK [(match_dup 0)] UNSPEC_MEMORY_BARRIER)) -+ (match_operand:SI 1 "const_int_operand" "")] ;; model -+ "" -+{ -+ switch (INTVAL (operands[1])) -+ { -+ case MEMMODEL_SEQ_CST: -+ case MEMMODEL_ACQ_REL: -+ return "fence rw,rw"; -+ case MEMMODEL_ACQUIRE: -+ case MEMMODEL_CONSUME: -+ return "fence r,rw"; -+ case MEMMODEL_RELEASE: -+ return "fence rw,w"; -+ default: -+ gcc_unreachable(); -+ } -+}) -+ -+;; Atomic memory operations. -+ -+;; Implement atomic stores with amoswap. Fall back to fences for atomic loads. -+(define_insn "atomic_store<mode>" -+ [(set (match_operand:GPR 0 "memory_operand" "=A") -+ (unspec_volatile:GPR -+ [(match_operand:GPR 1 "reg_or_0_operand" "rJ") -+ (match_operand:SI 2 "const_int_operand")] ;; model -+ UNSPEC_ATOMIC_STORE))] -+ "TARGET_ATOMIC" -+ "amoswap.<amo>%A2 zero,%z1,%0") -+ -+(define_insn "atomic_<atomic_optab><mode>" -+ [(set (match_operand:GPR 0 "memory_operand" "+A") -+ (unspec_volatile:GPR -+ [(any_atomic:GPR (match_dup 0) -+ (match_operand:GPR 1 "reg_or_0_operand" "rJ")) -+ (match_operand:SI 2 "const_int_operand")] ;; model -+ UNSPEC_SYNC_OLD_OP))] -+ "TARGET_ATOMIC" -+ "amo<insn>.<amo>%A2 zero,%z1,%0") -+ -+(define_insn "atomic_fetch_<atomic_optab><mode>" -+ [(set (match_operand:GPR 0 "register_operand" "=&r") -+ (match_operand:GPR 1 "memory_operand" "+A")) -+ (set (match_dup 1) -+ (unspec_volatile:GPR -+ [(any_atomic:GPR (match_dup 1) -+ (match_operand:GPR 2 "reg_or_0_operand" "rJ")) -+ (match_operand:SI 3 "const_int_operand")] ;; model -+ UNSPEC_SYNC_OLD_OP))] -+ "TARGET_ATOMIC" -+ "amo<insn>.<amo>%A3 %0,%z2,%1") -+ -+(define_insn "atomic_exchange<mode>" -+ [(set (match_operand:GPR 0 "register_operand" "=&r") -+ (unspec_volatile:GPR -+ [(match_operand:GPR 1 "memory_operand" "+A") -+ (match_operand:SI 3 "const_int_operand")] ;; model -+ UNSPEC_SYNC_EXCHANGE)) -+ (set (match_dup 1) -+ (match_operand:GPR 2 "register_operand" "0"))] -+ "TARGET_ATOMIC" -+ "amoswap.<amo>%A3 %0,%z2,%1") -+ -+(define_insn "atomic_cas_value_strong<mode>" -+ [(set (match_operand:GPR 0 "register_operand" "=&r") -+ (match_operand:GPR 1 "memory_operand" "+A")) -+ (set (match_dup 1) -+ (unspec_volatile:GPR [(match_operand:GPR 2 "reg_or_0_operand" "rJ") -+ (match_operand:GPR 3 "reg_or_0_operand" "rJ") -+ (match_operand:SI 4 "const_int_operand") ;; mod_s -+ (match_operand:SI 5 "const_int_operand")] ;; mod_f -+ UNSPEC_COMPARE_AND_SWAP)) -+ (clobber (match_scratch:GPR 6 "=&r"))] -+ "TARGET_ATOMIC" -+ "1: lr.<amo>%A5 %0,%1; bne %0,%z2,1f; sc.<amo>%A4 %6,%z3,%1; bnez %6,1b; 1:" -+ [(set (attr "length") (const_int 16))]) -+ -+(define_expand "atomic_compare_and_swap<mode>" -+ [(match_operand:SI 0 "register_operand" "") ;; bool output -+ (match_operand:GPR 1 "register_operand" "") ;; val output -+ (match_operand:GPR 2 "memory_operand" "") ;; memory -+ (match_operand:GPR 3 "reg_or_0_operand" "") ;; expected value -+ (match_operand:GPR 4 "reg_or_0_operand" "") ;; desired value -+ (match_operand:SI 5 "const_int_operand" "") ;; is_weak -+ (match_operand:SI 6 "const_int_operand" "") ;; mod_s -+ (match_operand:SI 7 "const_int_operand" "")] ;; mod_f -+ "TARGET_ATOMIC" -+{ -+ emit_insn (gen_atomic_cas_value_strong<mode> (operands[1], operands[2], -+ operands[3], operands[4], -+ operands[6], operands[7])); -+ -+ rtx compare = operands[1]; -+ if (operands[3] != const0_rtx) -+ { -+ rtx difference = gen_rtx_MINUS (<MODE>mode, operands[1], operands[3]); -+ compare = gen_reg_rtx (<MODE>mode); -+ emit_insn (gen_rtx_SET (VOIDmode, compare, difference)); -+ } -+ -+ rtx eq = gen_rtx_EQ (<MODE>mode, compare, const0_rtx); -+ rtx result = gen_reg_rtx (<MODE>mode); -+ emit_insn (gen_rtx_SET (VOIDmode, result, eq)); -+ emit_insn (gen_rtx_SET (VOIDmode, operands[0], gen_lowpart (SImode, result))); -+ DONE; -+}) -+ -+(define_expand "atomic_test_and_set" -+ [(match_operand:QI 0 "register_operand" "") ;; bool output -+ (match_operand:QI 1 "memory_operand" "+A") ;; memory -+ (match_operand:SI 2 "const_int_operand" "")] ;; model -+ "TARGET_ATOMIC" -+{ -+ /* We have no QImode atomics, so use the address LSBs to form a mask, -+ then use an aligned SImode atomic. */ -+ rtx result = operands[0]; -+ rtx mem = operands[1]; -+ rtx model = operands[2]; -+ rtx addr = force_reg (Pmode, XEXP (mem, 0)); -+ -+ rtx aligned_addr = gen_reg_rtx (Pmode); -+ emit_move_insn (aligned_addr, gen_rtx_AND (Pmode, addr, GEN_INT (-4))); -+ -+ rtx aligned_mem = change_address (mem, SImode, aligned_addr); -+ set_mem_alias_set (aligned_mem, 0); -+ -+ rtx offset = gen_reg_rtx (SImode); -+ emit_move_insn (offset, gen_rtx_AND (SImode, gen_lowpart (SImode, addr), -+ GEN_INT (3))); -+ -+ rtx tmp = gen_reg_rtx (SImode); -+ emit_move_insn (tmp, GEN_INT (1)); -+ -+ rtx shmt = gen_reg_rtx (SImode); -+ emit_move_insn (shmt, gen_rtx_ASHIFT (SImode, offset, GEN_INT (3))); -+ -+ rtx word = gen_reg_rtx (SImode); -+ emit_move_insn (word, gen_rtx_ASHIFT (SImode, tmp, shmt)); -+ -+ tmp = gen_reg_rtx (SImode); -+ emit_insn (gen_atomic_fetch_orsi (tmp, aligned_mem, word, model)); -+ -+ emit_move_insn (gen_lowpart (SImode, result), -+ gen_rtx_LSHIFTRT (SImode, tmp, -+ gen_lowpart (SImode, shmt))); -+ DONE; -+}) -diff -urN original-gcc/gcc/config/riscv/t-elf gcc/gcc/config/riscv/t-elf ---- original-gcc/gcc/config/riscv/t-elf 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/t-elf 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,4 @@ -+# Build the libraries for both hard and soft floating point -+ -+MULTILIB_OPTIONS = msoft-float m64/m32 mno-atomic -+MULTILIB_DIRNAMES = soft-float 64 32 no-atomic -diff -urN original-gcc/gcc/config/riscv/t-linux64 gcc/gcc/config/riscv/t-linux64 ---- original-gcc/gcc/config/riscv/t-linux64 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/gcc/config/riscv/t-linux64 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,5 @@ -+# Build the libraries for both hard and soft floating point -+ -+MULTILIB_OPTIONS = m64/m32 msoft-float mno-atomic -+MULTILIB_DIRNAMES = 64 32 soft-float no-atomic -+MULTILIB_OSDIRNAMES = ../lib ../lib32 -diff -urN original-gcc/gcc/config.gcc gcc/gcc/config.gcc ---- original-gcc/gcc/config.gcc 2014-09-17 16:16:02.000000000 +0200 -+++ gcc-4.9.2/gcc/config.gcc 2015-03-07 09:57:54.195132741 +0100 -@@ -447,6 +447,10 @@ - esac - extra_options="${extra_options} g.opt fused-madd.opt rs6000/rs6000-tables.opt" - ;; -+riscv*) -+ cpu_type=riscv -+ need_64bit_hwint=yes -+ ;; - rs6000*-*-*) - need_64bit_hwint=yes - extra_options="${extra_options} g.opt fused-madd.opt rs6000/rs6000-tables.opt" -@@ -1949,6 +1953,27 @@ - cxx_target_objs="${cxx_target_objs} microblaze-c.o" - tmake_file="${tmake_file} microblaze/t-microblaze" - ;; -+riscv32*-*-linux*) # Linux RISC-V -+ tm_file="elfos.h gnu-user.h linux.h glibc-stdint.h riscv/default-32.h ${tm_file} riscv/linux.h riscv/linux64.h" -+ tmake_file="${tmake_file} riscv/t-linux64" -+ gnu_ld=yes -+ gas=yes -+ gcc_cv_initfini_array=yes -+ ;; -+riscv*-*-linux*) # Linux RISC-V -+ tm_file="elfos.h gnu-user.h linux.h glibc-stdint.h ${tm_file} riscv/linux.h riscv/linux64.h" -+ tmake_file="${tmake_file} riscv/t-linux64" -+ gnu_ld=yes -+ gas=yes -+ gcc_cv_initfini_array=yes -+ ;; -+riscv*-*-elf*) # Linux RISC-V -+ tm_file="elfos.h newlib-stdint.h ${tm_file} riscv/elf.h" -+ tmake_file="${tmake_file} riscv/t-elf" -+ gnu_ld=yes -+ gas=yes -+ gcc_cv_initfini_array=yes -+ ;; - mips*-*-netbsd*) # NetBSD/mips, either endian. - target_cpu_default="MASK_ABICALLS" - tm_file="elfos.h ${tm_file} mips/elf.h netbsd.h netbsd-elf.h mips/netbsd.h" -@@ -3756,6 +3781,31 @@ - done - ;; - -+ riscv*-*-*) -+ supported_defaults="abi arch arch_32 arch_64 float tune tune_32 tune_64" -+ -+ case ${with_float} in -+ "" | soft | hard) -+ # OK -+ ;; -+ *) -+ echo "Unknown floating point type used in --with-float=$with_float" 1>&2 -+ exit 1 -+ ;; -+ esac -+ -+ case ${with_abi} in -+ "" | 32 | 64) -+ # OK -+ ;; -+ *) -+ echo "Unknown ABI used in --with-abi=$with_abi" 1>&2 -+ exit 1 -+ ;; -+ esac -+ -+ ;; -+ - mips*-*-*) - supported_defaults="abi arch arch_32 arch_64 float fpu nan tune tune_32 tune_64 divide llsc mips-plt synci" - -diff -urN original-gcc/gcc/configure gcc/gcc/configure ---- original-gcc/gcc/configure 2014-10-10 14:51:28.000000000 +0200 -+++ gcc-4.9.2/gcc/configure 2015-03-07 09:57:54.211132741 +0100 -@@ -23515,6 +23515,25 @@ - tls_first_minor=14 - tls_as_opt="-a32 --fatal-warnings" - ;; -+ riscv*-*-*) -+ conftest_s=' -+ .section .tdata,"awT",@progbits -+x: -+ .word 2 -+ .text -+ la.tls.gd a0,x -+ la.tls.ie a1,x -+ lui a0,%tls_ie_pcrel_hi(x) -+ lw a0,%pcrel_lo(x)(a0) -+ add a0,a0,tp -+ lw a0,0(a0) -+ lui a0,%tprel_hi(x) -+ add a0,a0,tp,%tprel_add(x) -+ lw a0,%tprel_lo(x)(a0)' -+ tls_first_major=2 -+ tls_first_minor=21 -+ tls_as_opt='-m32 --fatal-warnings' -+ ;; - s390-*-*) - conftest_s=' - .section ".tdata","awT",@progbits -diff -urN original-gcc/gcc/configure.ac gcc/gcc/configure.ac ---- original-gcc/gcc/configure.ac 2014-10-10 14:51:28.000000000 +0200 -+++ gcc-4.9.2/gcc/configure.ac 2015-03-07 09:57:54.219132741 +0100 -@@ -3178,6 +3178,25 @@ - tls_first_minor=14 - tls_as_opt="-a32 --fatal-warnings" - ;; -+ riscv*-*-*) -+ conftest_s=' -+ .section .tdata,"awT",@progbits -+x: -+ .word 2 -+ .text -+ la.tls.gd a0,x -+ la.tls.ie a1,x -+ lui a0,%tls_ie_pcrel_hi(x) -+ lw a0,%pcrel_lo(x)(a0) -+ add a0,a0,tp -+ lw a0,0(a0) -+ lui a0,%tprel_hi(x) -+ add a0,a0,tp,%tprel_add(x) -+ lw a0,%tprel_lo(x)(a0)' -+ tls_first_major=2 -+ tls_first_minor=21 -+ tls_as_opt='-m32 --fatal-warnings' -+ ;; - s390-*-*) - conftest_s=' - .section ".tdata","awT",@progbits -diff -urN original-gcc/gcc/testsuite/gcc.c-torture/execute/20101011-1.c gcc/gcc/testsuite/gcc.c-torture/execute/20101011-1.c ---- original-gcc/gcc/testsuite/gcc.c-torture/execute/20101011-1.c 2013-12-31 08:05:35.000000000 +0100 -+++ gcc-4.9.2/gcc/testsuite/gcc.c-torture/execute/20101011-1.c 2015-03-07 09:57:54.223132741 +0100 -@@ -6,6 +6,9 @@ - #elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) || defined (__POWERPC__) || defined (__ppc) - /* On PPC division by zero does not trap. */ - # define DO_TEST 0 -+#elif defined (__riscv__) -+ /* On RISC-V division by zero does not trap. */ -+# define DO_TEST 0 - #elif defined (__SPU__) - /* On SPU division by zero does not trap. */ - # define DO_TEST 0 -diff -urN original-gcc/gcc/testsuite/gcc.dg/20020312-2.c gcc/gcc/testsuite/gcc.dg/20020312-2.c ---- original-gcc/gcc/testsuite/gcc.dg/20020312-2.c 2013-12-31 08:05:35.000000000 +0100 -+++ gcc-4.9.2/gcc/testsuite/gcc.dg/20020312-2.c 2015-03-07 09:57:54.223132741 +0100 -@@ -66,6 +66,8 @@ - # else - # define PIC_REG "30" - # endif -+#elif defined(__riscv__) -+/* No pic register. */ - #elif defined(__RX__) - /* No pic register. */ - #elif defined(__s390__) -diff -urN original-gcc/gcc/testsuite/gcc.dg/20040813-1.c gcc/gcc/testsuite/gcc.dg/20040813-1.c ---- original-gcc/gcc/testsuite/gcc.dg/20040813-1.c 2013-12-31 08:05:35.000000000 +0100 -+++ gcc-4.9.2/gcc/testsuite/gcc.dg/20040813-1.c 2015-03-07 09:57:54.227132741 +0100 -@@ -2,7 +2,7 @@ - /* Contributed by Devang Patel <dpatel@apple.com> */ - - /* { dg-do compile } */ --/* { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* tile*-*-* nios2-*-* *-*-vxworks* } { "*" } { "" } } */ -+/* { dg-skip-if "No stabs" { aarch64*-*-* mmix-*-* *-*-aix* alpha*-*-* hppa*64*-*-* ia64-*-* riscv*-*-* tile*-*-* nios2-*-* *-*-vxworks* } { "*" } { "" } } */ - /* { dg-options "-gstabs" } */ - - int -diff -urN original-gcc/gcc/testsuite/gcc.dg/stack-usage-1.c gcc/gcc/testsuite/gcc.dg/stack-usage-1.c ---- original-gcc/gcc/testsuite/gcc.dg/stack-usage-1.c 2013-12-31 08:05:35.000000000 +0100 -+++ gcc-4.9.2/gcc/testsuite/gcc.dg/stack-usage-1.c 2015-03-07 09:57:54.227132741 +0100 -@@ -61,6 +61,8 @@ - # else - # define SIZE 240 - # endif -+#elif defined (__riscv__) -+# define SIZE 240 - #elif defined (__AVR__) - # define SIZE 254 - #elif defined (__s390x__) -diff -urN original-gcc/libatomic/cas_n.c gcc/libatomic/cas_n.c ---- original-gcc/libatomic/cas_n.c 2014-02-20 18:43:53.000000000 +0100 -+++ gcc-4.9.2/libatomic/cas_n.c 2015-03-07 09:57:54.227132741 +0100 -@@ -70,7 +70,7 @@ - mask = -1; - } - -- weval = *eptr << shift; -+ weval = (UWORD)*eptr << shift; - wnewval = (UWORD)newval << shift; - woldval = __atomic_load_n (wptr, __ATOMIC_RELAXED); - do -diff -urN original-gcc/libatomic/configure.tgt gcc/libatomic/configure.tgt ---- original-gcc/libatomic/configure.tgt 2014-01-02 23:24:30.000000000 +0100 -+++ gcc-4.9.2/libatomic/configure.tgt 2015-03-07 09:57:54.227132741 +0100 -@@ -29,6 +29,7 @@ - case "${target_cpu}" in - alpha*) ARCH=alpha ;; - rs6000 | powerpc*) ARCH=powerpc ;; -+ riscv*) ARCH=riscv ;; - sh*) ARCH=sh ;; - - arm*) -diff -urN original-gcc/libatomic/fop_n.c gcc/libatomic/fop_n.c ---- original-gcc/libatomic/fop_n.c 2014-01-02 23:24:30.000000000 +0100 -+++ gcc-4.9.2/libatomic/fop_n.c 2015-03-07 09:57:54.231132741 +0100 -@@ -1,4 +1,4 @@ --/* Copyright (C) 2012-2014 Free Software Foundation, Inc. -+/* Copyright (C) 2012-2015 Free Software Foundation, Inc. - Contributed by Richard Henderson <rth@redhat.com>. - - This file is part of the GNU Atomic Library (libatomic). -@@ -112,9 +112,9 @@ - - pre_barrier (smodel); - -- wptr = (UWORD *)mptr; -- shift = 0; -- mask = -1; -+ wptr = (UWORD *)((uintptr_t)mptr & -WORDSIZE); -+ shift = (((uintptr_t)mptr % WORDSIZE) * CHAR_BIT) ^ SIZE(INVERT_MASK); -+ mask = SIZE(MASK) << shift; - - wopval = (UWORD)opval << shift; - woldval = __atomic_load_n (wptr, __ATOMIC_RELAXED); -@@ -136,9 +136,9 @@ - - pre_barrier (smodel); - -- wptr = (UWORD *)mptr; -- shift = 0; -- mask = -1; -+ wptr = (UWORD *)((uintptr_t)mptr & -WORDSIZE); -+ shift = (((uintptr_t)mptr % WORDSIZE) * CHAR_BIT) ^ SIZE(INVERT_MASK); -+ mask = SIZE(MASK) << shift; - - wopval = (UWORD)opval << shift; - woldval = __atomic_load_n (wptr, __ATOMIC_RELAXED); -diff -urN original-gcc/libcpp/configure gcc/libcpp/configure ---- original-gcc/libcpp/configure 2014-10-30 09:28:58.000000000 +0100 -+++ gcc-4.9.2/libcpp/configure 2015-03-07 09:57:54.231132741 +0100 -@@ -7163,6 +7163,7 @@ - mips*-*-* | \ - mmix-*-* | \ - powerpc*-*-* | \ -+ riscv*-*-* | \ - rs6000*-*-* | \ - s390*-*-* | \ - sparc*-*-* | \ -diff -urN original-gcc/libcpp/configure.ac gcc/libcpp/configure.ac ---- original-gcc/libcpp/configure.ac 2014-02-24 16:08:00.000000000 +0100 -+++ gcc-4.9.2/libcpp/configure.ac 2015-03-07 09:57:54.235132741 +0100 -@@ -192,6 +192,7 @@ - mips*-*-* | \ - mmix-*-* | \ - powerpc*-*-* | \ -+ riscv*-*-* | \ - rs6000*-*-* | \ - s390*-*-* | \ - sparc*-*-* | \ -diff -urN original-gcc/libgcc/config/riscv/crti.S gcc/libgcc/config/riscv/crti.S ---- original-gcc/libgcc/config/riscv/crti.S 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/crti.S 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1 @@ -+/* crti.S is empty because .init_array/.fini_array are used exclusively. */ -diff -urN original-gcc/libgcc/config/riscv/crtn.S gcc/libgcc/config/riscv/crtn.S ---- original-gcc/libgcc/config/riscv/crtn.S 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/crtn.S 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1 @@ -+/* crtn.S is empty because .init_array/.fini_array are used exclusively. */ -diff -urN original-gcc/libgcc/config/riscv/div.S gcc/libgcc/config/riscv/div.S ---- original-gcc/libgcc/config/riscv/div.S 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/div.S 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,121 @@ -+ .text -+ .align 2 -+ -+#ifndef __riscv64 -+/* Our RV64 64-bit routines are equivalent to our RV32 32-bit routines. */ -+# define __udivdi3 __udivsi3 -+# define __umoddi3 __umodsi3 -+# define __divdi3 __divsi3 -+# define __moddi3 __modsi3 -+#else -+ .globl __udivsi3 -+__udivsi3: -+ /* Compute __udivdi3(a0 << 32, a1 << 32); cast result to uint32_t. */ -+ sll a0, a0, 32 -+ sll a1, a1, 32 -+ move t0, ra -+ jal __udivdi3 -+ sext.w a0, a0 -+ jr t0 -+ -+ .globl __umodsi3 -+__umodsi3: -+ /* Compute __udivdi3((uint32_t)a0, (uint32_t)a1); cast a1 to uint32_t. */ -+ sll a0, a0, 32 -+ sll a1, a1, 32 -+ srl a0, a0, 32 -+ srl a1, a1, 32 -+ move t0, ra -+ jal __udivdi3 -+ sext.w a0, a1 -+ jr t0 -+ -+ .globl __modsi3 -+ __modsi3 = __moddi3 -+ -+ .globl __divsi3 -+__divsi3: -+ /* Check for special case of INT_MIN/-1. Otherwise, fall into __divdi3. */ -+ li t0, -1 -+ beq a1, t0, .L20 -+#endif -+ -+ .globl __divdi3 -+__divdi3: -+ bltz a0, .L10 -+ bltz a1, .L11 -+ /* Since the quotient is positive, fall into __udivdi3. */ -+ -+ .globl __udivdi3 -+__udivdi3: -+ mv a2, a1 -+ mv a1, a0 -+ li a0, -1 -+ beqz a2, .L5 -+ li a3, 1 -+ bgeu a2, a1, .L2 -+.L1: -+ blez a2, .L2 -+ slli a2, a2, 1 -+ slli a3, a3, 1 -+ bgtu a1, a2, .L1 -+.L2: -+ li a0, 0 -+.L3: -+ bltu a1, a2, .L4 -+ sub a1, a1, a2 -+ or a0, a0, a3 -+.L4: -+ srli a3, a3, 1 -+ srli a2, a2, 1 -+ bnez a3, .L3 -+.L5: -+ ret -+ -+ .globl __umoddi3 -+__umoddi3: -+ /* Call __udivdi3(a0, a1), then return the remainder, which is in a1. */ -+ move t0, ra -+ jal __udivdi3 -+ move a0, a1 -+ jr t0 -+ -+ /* Handle negative arguments to __divdi3. */ -+.L10: -+ neg a0, a0 -+ bgez a1, .L12 /* Compute __udivdi3(-a0, a1), then negate the result. */ -+ neg a1, a1 -+ j __divdi3 /* Compute __udivdi3(-a0, -a1). */ -+.L11: /* Compute __udivdi3(a0, -a1), then negate the result. */ -+ neg a1, a1 -+.L12: -+ move t0, ra -+ jal __divdi3 -+ neg a0, a0 -+ jr t0 -+ -+ .globl __moddi3 -+__moddi3: -+ move t0, ra -+ bltz a1, .L31 -+ bltz a0, .L32 -+.L30: -+ jal __udivdi3 /* The dividend is not negative. */ -+ move a0, a1 -+ jr t0 -+.L31: -+ neg a1, a1 -+ bgez a0, .L30 -+.L32: -+ neg a0, a0 -+ jal __udivdi3 /* The dividend is hella negative. */ -+ neg a0, a1 -+ jr t0 -+ -+#ifdef __riscv64 -+ /* continuation of __divsi3 */ -+.L20: -+ sll t0, t0, 31 -+ bne a0, t0, __divdi3 -+ ret -+#endif -diff -urN original-gcc/libgcc/config/riscv/mul.S gcc/libgcc/config/riscv/mul.S ---- original-gcc/libgcc/config/riscv/mul.S 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/mul.S 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,21 @@ -+ .text -+ .align 2 -+ -+#ifndef __riscv64 -+/* Our RV64 64-bit routine is equivalent to our RV32 32-bit routine. */ -+# define __muldi3 __mulsi3 -+#endif -+ -+ .globl __muldi3 -+__muldi3: -+ mv a2, a0 -+ li a0, 0 -+.L1: -+ slli a3, a1, _RISCV_SZPTR-1 -+ bgez a3, .L2 -+ add a0, a0, a2 -+.L2: -+ srli a1, a1, 1 -+ slli a2, a2, 1 -+ bnez a1, .L1 -+ ret -diff -urN original-gcc/libgcc/config/riscv/riscv-fp.c gcc/libgcc/config/riscv/riscv-fp.c ---- original-gcc/libgcc/config/riscv/riscv-fp.c 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/riscv-fp.c 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,178 @@ -+/* Functions needed for soft-float on riscv-linux. Based on -+ rs6000/ppc64-fp.c with TF types removed. -+ -+ Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, -+ 2000, 2001, 2002, 2003, 2004, 2006, 2009 Free Software Foundation, -+ Inc. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify it under -+the terms of the GNU General Public License as published by the Free -+Software Foundation; either version 3, or (at your option) any later -+version. -+ -+GCC is distributed in the hope that it will be useful, but WITHOUT ANY -+WARRANTY; without even the implied warranty of MERCHANTABILITY or -+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+for more details. -+ -+Under Section 7 of GPL version 3, you are granted additional -+permissions described in the GCC Runtime Library Exception, version -+3.1, as published by the Free Software Foundation. -+ -+You should have received a copy of the GNU General Public License and -+a copy of the GCC Runtime Library Exception along with this program; -+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -+<http://www.gnu.org/licenses/>. */ -+ -+#if defined(__riscv64) -+#include "fp-bit.h" -+ -+extern DItype __fixdfdi (DFtype); -+extern DItype __fixsfdi (SFtype); -+extern USItype __fixunsdfsi (DFtype); -+extern USItype __fixunssfsi (SFtype); -+extern DFtype __floatdidf (DItype); -+extern DFtype __floatundidf (UDItype); -+extern SFtype __floatdisf (DItype); -+extern SFtype __floatundisf (UDItype); -+ -+static DItype local_fixunssfdi (SFtype); -+static DItype local_fixunsdfdi (DFtype); -+ -+DItype -+__fixdfdi (DFtype a) -+{ -+ if (a < 0) -+ return - local_fixunsdfdi (-a); -+ return local_fixunsdfdi (a); -+} -+ -+DItype -+__fixsfdi (SFtype a) -+{ -+ if (a < 0) -+ return - local_fixunssfdi (-a); -+ return local_fixunssfdi (a); -+} -+ -+USItype -+__fixunsdfsi (DFtype a) -+{ -+ if (a >= - (DFtype) (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1)) -+ return (SItype) (a + (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1)) -+ - (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1); -+ return (SItype) a; -+} -+ -+USItype -+__fixunssfsi (SFtype a) -+{ -+ if (a >= - (SFtype) (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1)) -+ return (SItype) (a + (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1)) -+ - (- ((SItype)(((USItype)1 << ((4 * 8) - 1)) - 1)) - 1); -+ return (SItype) a; -+} -+ -+DFtype -+__floatdidf (DItype u) -+{ -+ DFtype d; -+ -+ d = (SItype) (u >> (sizeof (SItype) * 8)); -+ d *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); -+ d += (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); -+ -+ return d; -+} -+ -+DFtype -+__floatundidf (UDItype u) -+{ -+ DFtype d; -+ -+ d = (USItype) (u >> (sizeof (SItype) * 8)); -+ d *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); -+ d += (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); -+ -+ return d; -+} -+ -+SFtype -+__floatdisf (DItype u) -+{ -+ DFtype f; -+ -+ if (53 < (sizeof (DItype) * 8) -+ && 53 > ((sizeof (DItype) * 8) - 53 + 24)) -+ { -+ if (! (- ((DItype) 1 << 53) < u -+ && u < ((DItype) 1 << 53))) -+ { -+ if ((UDItype) u & (((UDItype) 1 << ((sizeof (DItype) * 8) - 53)) - 1)) -+ { -+ u &= ~ (((UDItype) 1 << ((sizeof (DItype) * 8) - 53)) - 1); -+ u |= ((UDItype) 1 << ((sizeof (DItype) * 8) - 53)); -+ } -+ } -+ } -+ f = (SItype) (u >> (sizeof (SItype) * 8)); -+ f *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); -+ f += (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); -+ -+ return (SFtype) f; -+} -+ -+SFtype -+__floatundisf (UDItype u) -+{ -+ DFtype f; -+ -+ if (53 < (sizeof (DItype) * 8) -+ && 53 > ((sizeof (DItype) * 8) - 53 + 24)) -+ { -+ if (u >= ((UDItype) 1 << 53)) -+ { -+ if ((UDItype) u & (((UDItype) 1 << ((sizeof (DItype) * 8) - 53)) - 1)) -+ { -+ u &= ~ (((UDItype) 1 << ((sizeof (DItype) * 8) - 53)) - 1); -+ u |= ((UDItype) 1 << ((sizeof (DItype) * 8) - 53)); -+ } -+ } -+ } -+ f = (USItype) (u >> (sizeof (SItype) * 8)); -+ f *= 2.0 * (((UDItype) 1) << ((sizeof (SItype) * 8) - 1)); -+ f += (USItype) (u & ((((UDItype) 1) << (sizeof (SItype) * 8)) - 1)); -+ -+ return (SFtype) f; -+} -+ -+/* This version is needed to prevent recursion; fixunsdfdi in libgcc -+ calls fixdfdi, which in turn calls calls fixunsdfdi. */ -+ -+static DItype -+local_fixunsdfdi (DFtype a) -+{ -+ USItype hi, lo; -+ -+ hi = a / (((UDItype) 1) << (sizeof (SItype) * 8)); -+ lo = (a - ((DFtype) hi) * (((UDItype) 1) << (sizeof (SItype) * 8))); -+ return ((UDItype) hi << (sizeof (SItype) * 8)) | lo; -+} -+ -+/* This version is needed to prevent recursion; fixunssfdi in libgcc -+ calls fixsfdi, which in turn calls calls fixunssfdi. */ -+ -+static DItype -+local_fixunssfdi (SFtype original_a) -+{ -+ DFtype a = original_a; -+ USItype hi, lo; -+ -+ hi = a / (((UDItype) 1) << (sizeof (SItype) * 8)); -+ lo = (a - ((DFtype) hi) * (((UDItype) 1) << (sizeof (SItype) * 8))); -+ return ((UDItype) hi << (sizeof (SItype) * 8)) | lo; -+} -+ -+#endif -diff -urN original-gcc/libgcc/config/riscv/t-dpbit gcc/libgcc/config/riscv/t-dpbit ---- original-gcc/libgcc/config/riscv/t-dpbit 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-dpbit 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,4 @@ -+LIB2ADD += dp-bit.c -+ -+dp-bit.c: $(srcdir)/fp-bit.c -+ cat $(srcdir)/fp-bit.c > dp-bit.c -diff -urN original-gcc/libgcc/config/riscv/t-elf gcc/libgcc/config/riscv/t-elf ---- original-gcc/libgcc/config/riscv/t-elf 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-elf 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,3 @@ -+LIB2ADD += $(srcdir)/config/riscv/riscv-fp.c \ -+ $(srcdir)/config/riscv/mul.S \ -+ $(srcdir)/config/riscv/div.S -diff -urN original-gcc/libgcc/config/riscv/t-fpbit gcc/libgcc/config/riscv/t-fpbit ---- original-gcc/libgcc/config/riscv/t-fpbit 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-fpbit 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,5 @@ -+LIB2ADD += fp-bit.c -+ -+fp-bit.c: $(srcdir)/fp-bit.c -+ echo '#define FLOAT' > fp-bit.c -+ cat $(srcdir)/fp-bit.c >> fp-bit.c -diff -urN original-gcc/libgcc/config/riscv/t-linux gcc/libgcc/config/riscv/t-linux ---- original-gcc/libgcc/config/riscv/t-linux 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-linux 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,3 @@ -+LIB2ADD += $(srcdir)/config/riscv/riscv-fp.c \ -+ $(srcdir)/config/riscv/mul.S \ -+ $(srcdir)/config/riscv/div.S -diff -urN original-gcc/libgcc/config/riscv/t-linux32 gcc/libgcc/config/riscv/t-linux32 ---- original-gcc/libgcc/config/riscv/t-linux32 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-linux32 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,2 @@ -+HOST_LIBGCC2_CFLAGS += -m32 -+CRTSTUFF_CFLAGS += -m32 -diff -urN original-gcc/libgcc/config/riscv/t-tpbit gcc/libgcc/config/riscv/t-tpbit ---- original-gcc/libgcc/config/riscv/t-tpbit 1970-01-01 01:00:00.000000000 +0100 -+++ gcc-4.9.2/libgcc/config/riscv/t-tpbit 2015-03-07 09:51:45.667139025 +0100 -@@ -0,0 +1,10 @@ -+LIB2ADD += tp-bit.c -+ -+tp-bit.c: $(srcdir)/fp-bit.c -+ echo '#ifdef _RISCVEL' > tp-bit.c -+ echo '# define FLOAT_BIT_ORDER_MISMATCH' >> tp-bit.c -+ echo '#endif' >> tp-bit.c -+ echo '#if __LDBL_MANT_DIG__ == 113' >> tp-bit.c -+ echo '# define TFLOAT' >> tp-bit.c -+ cat $(srcdir)/fp-bit.c >> tp-bit.c -+ echo '#endif' >> tp-bit.c -diff -urN original-gcc/libgcc/config.host gcc/libgcc/config.host ---- original-gcc/libgcc/config.host 2014-03-27 16:40:31.000000000 +0100 -+++ gcc-4.9.2/libgcc/config.host 2015-03-07 09:57:54.235132741 +0100 -@@ -167,6 +167,9 @@ - ;; - rs6000*-*-*) - ;; -+riscv*) -+ cpu_type=riscv -+ ;; - score*-*-*) - cpu_type=score - ;; -@@ -1002,6 +1005,18 @@ - tmake_file="${tmake_file} rs6000/t-ppccomm rs6000/t-crtstuff t-crtstuff-pic t-fdpbit" - extra_parts="$extra_parts crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o ecrti.o ecrtn.o ncrti.o ncrtn.o" - ;; -+riscv32*-*-linux*) -+ tmake_file="${tmake_file} riscv/t-fpbit riscv/t-dpbit riscv/t-tpbit riscv/t-linux riscv/t-linux32" -+ extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o" -+ ;; -+riscv*-*-linux*) -+ tmake_file="${tmake_file} riscv/t-fpbit riscv/t-dpbit riscv/t-tpbit riscv/t-linux" -+ extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o crtendS.o crtbeginT.o" -+ ;; -+riscv*-*-*) -+ tmake_file="${tmake_file} riscv/t-fpbit riscv/t-dpbit riscv/t-elf" -+ extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o" -+ ;; - rs6000-ibm-aix4.[3456789]* | powerpc-ibm-aix4.[3456789]*) - md_unwind_header=rs6000/aix-unwind.h - tmake_file="t-fdpbit rs6000/t-ppc64-fp rs6000/t-slibgcc-aix rs6000/t-ibm-ldouble" -diff -urN original-gcc/libsanitizer/asan/asan_linux.cc gcc/libsanitizer/asan/asan_linux.cc ---- original-gcc/libsanitizer/asan/asan_linux.cc 2013-12-05 10:18:38.000000000 +0100 -+++ gcc-4.9.2/libsanitizer/asan/asan_linux.cc 2015-03-07 09:57:54.235132741 +0100 -@@ -98,6 +98,11 @@ - *pc = ucontext->uc_mcontext.gregs[31]; - *bp = ucontext->uc_mcontext.gregs[30]; - *sp = ucontext->uc_mcontext.gregs[29]; -+# elif defined(__riscv__) -+ ucontext_t *ucontext = (ucontext_t*)context; -+ *pc = ucontext->uc_mcontext.gregs[REG_PC]; -+ *bp = ucontext->uc_mcontext.gregs[REG_S0]; -+ *sp = ucontext->uc_mcontext.gregs[REG_SP]; - #else - # error "Unsupported arch" - #endif -diff -urN original-gcc/libsanitizer/sanitizer_common/sanitizer_linux.cc gcc/libsanitizer/sanitizer_common/sanitizer_linux.cc ---- original-gcc/libsanitizer/sanitizer_common/sanitizer_linux.cc 2013-12-05 10:18:38.000000000 +0100 -+++ gcc-4.9.2/libsanitizer/sanitizer_common/sanitizer_linux.cc 2015-03-07 09:57:54.239132741 +0100 -@@ -93,11 +93,11 @@ - } - - uptr internal_open(const char *filename, int flags) { -- return internal_syscall(__NR_open, (uptr)filename, flags); -+ return internal_syscall(__NR_openat, AT_FDCWD, (uptr)filename, flags); - } - - uptr internal_open(const char *filename, int flags, u32 mode) { -- return internal_syscall(__NR_open, (uptr)filename, flags, mode); -+ return internal_syscall(__NR_openat, AT_FDCWD, (uptr)filename, flags, mode); - } - - uptr OpenFile(const char *filename, bool write) { -@@ -139,7 +139,7 @@ - - uptr internal_stat(const char *path, void *buf) { - #if SANITIZER_LINUX_USES_64BIT_SYSCALLS -- return internal_syscall(__NR_stat, (uptr)path, (uptr)buf); -+ return internal_syscall(__NR_newfstatat, AT_FDCWD, (uptr)path, (uptr)buf, 0); - #else - struct stat64 buf64; - int res = internal_syscall(__NR_stat64, path, &buf64); -@@ -150,7 +150,7 @@ - - uptr internal_lstat(const char *path, void *buf) { - #if SANITIZER_LINUX_USES_64BIT_SYSCALLS -- return internal_syscall(__NR_lstat, (uptr)path, (uptr)buf); -+ return internal_syscall(__NR_newfstatat, AT_FDCWD, (uptr)path, (uptr)buf, AT_SYMLINK_NOFOLLOW); - #else - struct stat64 buf64; - int res = internal_syscall(__NR_lstat64, path, &buf64); -@@ -178,15 +178,15 @@ - } - - uptr internal_dup2(int oldfd, int newfd) { -- return internal_syscall(__NR_dup2, oldfd, newfd); -+ return internal_syscall(__NR_dup3, oldfd, newfd, 0); - } - - uptr internal_readlink(const char *path, char *buf, uptr bufsize) { -- return internal_syscall(__NR_readlink, (uptr)path, (uptr)buf, bufsize); -+ return internal_syscall(__NR_readlinkat, AT_FDCWD, (uptr)path, (uptr)buf, bufsize); - } - - uptr internal_unlink(const char *path) { -- return internal_syscall(__NR_unlink, (uptr)path); -+ return internal_syscall(__NR_unlinkat, AT_FDCWD, (uptr)path); - } - - uptr internal_sched_yield() { -@@ -588,7 +588,7 @@ - } - - uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count) { -- return internal_syscall(__NR_getdents, fd, (uptr)dirp, count); -+ return internal_syscall(__NR_getdents64, fd, (uptr)dirp, count); - } - - uptr internal_lseek(fd_t fd, OFF_T offset, int whence) { -diff -urN original-gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc ---- original-gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc 2014-10-14 21:26:42.000000000 +0200 -+++ gcc-4.9.2/libsanitizer/sanitizer_common/sanitizer_platform_limits_linux.cc 2015-03-07 09:57:54.235132741 +0100 -@@ -63,7 +63,7 @@ - unsigned struct_statfs64_sz = sizeof(struct statfs64); - } // namespace __sanitizer - --#if !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__sparc__) -+#if !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__sparc__) && !defined(__riscv__) - COMPILER_CHECK(struct___old_kernel_stat_sz == sizeof(struct __old_kernel_stat)); - #endif - -diff -urN original-gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h ---- original-gcc/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h 2014-10-14 21:26:42.000000000 +0200 -+++ gcc-4.9.2/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h 2015-03-07 09:57:54.239132741 +0100 -@@ -67,6 +67,10 @@ - const unsigned struct___old_kernel_stat_sz = 0; - const unsigned struct_kernel_stat_sz = 144; - const unsigned struct_kernel_stat64_sz = 104; -+#elif defined(__riscv__) -+ const unsigned struct___old_kernel_stat_sz = 0; -+ const unsigned struct_kernel_stat_sz = 128; -+ const unsigned struct_kernel_stat64_sz = 128; - #elif defined(__sparc__) && defined(__arch64__) - const unsigned struct___old_kernel_stat_sz = 0; - const unsigned struct_kernel_stat_sz = 104; -@@ -367,7 +371,7 @@ - typedef long __sanitizer___kernel_off_t; - #endif - --#if defined(__powerpc__) -+#if defined(__powerpc__) || defined(__riscv__) - typedef unsigned int __sanitizer___kernel_old_uid_t; - typedef unsigned int __sanitizer___kernel_old_gid_t; - #else |