diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/isa/decoder/two_byte_opcodes.isa | 12 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/sse/__init__.py | 3 | ||||
| -rw-r--r-- | src/arch/x86/isa/insts/sse/square_root.py | 71 | ||||
| -rw-r--r-- | src/arch/x86/isa/microops/regop.isa | 3 |
4 files changed, 83 insertions, 6 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index ae2318899..eae994706 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -283,12 +283,14 @@ 0x7: Inst::XORPD(Vq,Wq); default: Inst::UD2(); } - // repne (0xF2) - 0x8: decode OPCODE_OP_BOTTOM3 { - 0x1: sqrtsd_Vq_Wq(); - default: Inst::UD2(); + format Inst { + // repne (0xF2) + 0x8: decode OPCODE_OP_BOTTOM3 { + 0x1: SQRTSD(Vq,Wq); + default: UD2(); + } + default: UD2(); } - default: Inst::UD2(); } 0x0B: decode LEGACY_DECODEVAL { // no prefix diff --git a/src/arch/x86/isa/insts/sse/__init__.py b/src/arch/x86/isa/insts/sse/__init__.py index 05c306885..7985a124f 100644 --- a/src/arch/x86/isa/insts/sse/__init__.py +++ b/src/arch/x86/isa/insts/sse/__init__.py @@ -58,7 +58,8 @@ categories = ["move", "add_and_subtract", "multiply_and_divide", "logical", - "compare"] + "compare", + "square_root"] microcode = ''' # SSE instructions diff --git a/src/arch/x86/isa/insts/sse/square_root.py b/src/arch/x86/isa/insts/sse/square_root.py new file mode 100644 index 000000000..473292386 --- /dev/null +++ b/src/arch/x86/isa/insts/sse/square_root.py @@ -0,0 +1,71 @@ +# Copyright (c) 2007 The Hewlett-Packard Development Company +# All rights reserved. +# +# Redistribution and use of this software in source and binary forms, +# with or without modification, are permitted provided that the +# following conditions are met: +# +# The software must be used only for Non-Commercial Use which means any +# use which is NOT directed to receiving any direct monetary +# compensation for, or commercial advantage from such use. Illustrative +# examples of non-commercial use are academic research, personal study, +# teaching, education and corporate research & development. +# Illustrative examples of commercial use are distributing products for +# commercial advantage and providing services using the software for +# commercial advantage. +# +# If you wish to use this software or functionality therein that may be +# covered by patents for commercial use, please contact: +# Director of Intellectual Property Licensing +# Office of Strategy and Technology +# Hewlett-Packard Company +# 1501 Page Mill Road +# Palo Alto, California 94304 +# +# Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. Redistributions +# in binary form must reproduce the above copyright notice, this list of +# conditions and the following disclaimer in the documentation and/or +# other materials provided with the distribution. Neither the name of +# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. No right of +# sublicense is granted herewith. Derivatives of the software and +# output created using the software may be prepared, but only for +# Non-Commercial Uses. Derivatives of the software may be shared with +# others provided: (i) the others agree to abide by the list of +# conditions herein which includes the Non-Commercial Use restrictions; +# and (ii) such Derivatives of the software include the above copyright +# notice to acknowledge the contribution from this software where +# applicable, this list of conditions and the disclaimer below. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Gabe Black + +microcode = ''' +def macroop SQRTSD_R_R { + sqrtfp xmml, xmml, xmmlm +}; + +def macroop SQRTSD_R_M { + ldfp ufp1, seg, sib, disp + sqrtfp xmml, xmml, ufp1 +}; + +def macroop SQRTSD_R_P { + rdip t7 + ldfp ufp1, seg, riprel, disp + sqrtfp xmml, xmml, ufp1 +}; +''' diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index ec6f49424..57edbb606 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -656,6 +656,9 @@ let {{ class Xorfp(RegOp): code = 'FpDestReg.uqw = FpSrcReg1.uqw ^ FpSrcReg2.uqw;' + class Sqrtfp(RegOp): + code = 'FpDestReg = sqrt(FpSrcReg2);' + class Movfp(CondRegOp): code = 'FpDestReg.uqw = FpSrcReg2.uqw;' else_code = 'FpDestReg.uqw = FpDestReg.uqw;' |