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author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:01 -0500 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:01 -0500 |
commit | 190502476681b972f65697a7d2b3e3da35d40cd1 (patch) | |
tree | 1e36bfdad5fae57761781554fc2fcf26cf601ece /src/arch/arm/insts | |
parent | 55465844dc9d7e9560bd067672f5b54bf3d63e8f (diff) | |
download | gem5-190502476681b972f65697a7d2b3e3da35d40cd1.tar.xz |
ARM: Eliminate decoding for the very deprecated FPA instructions.
Diffstat (limited to 'src/arch/arm/insts')
-rw-r--r-- | src/arch/arm/insts/macromem.hh | 80 |
1 files changed, 14 insertions, 66 deletions
diff --git a/src/arch/arm/insts/macromem.hh b/src/arch/arm/insts/macromem.hh index 714b8bb7e..6c2db2026 100644 --- a/src/arch/arm/insts/macromem.hh +++ b/src/arch/arm/insts/macromem.hh @@ -1,4 +1,17 @@ -/* Copyright (c) 2007-2008 The Florida State University +/* + * Copyright (c) 2010 ARM Limited + * All rights reserved + * + * The license below extends only to copyright in the software and shall + * not be construed as granting a license to any other intellectual + * property including but not limited to intellectual property relating + * to a hardware implementation of the functionality of the software + * licensed hereunder. You may use the software subject to the license + * terms below provided that you ensure that this notice is replicated + * unmodified and in its entirety in all distributions of the software, + * modified or unmodified, in source code or in binary form. + * + * Copyright (c) 2007-2008 The Florida State University * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -102,71 +115,6 @@ class ArmMacroMemoryOp : public PredMacroOp microOps = new StaticInstPtr[numMicroops]; } }; - -/** - * Arm Macro FPA operations to fix ldfd and stfd instructions - */ -class ArmMacroFPAOp : public PredMacroOp -{ - protected: - uint32_t puswl, - prepost, - up, - psruser, - writeback, - loadop; - int32_t disp8; - - ArmMacroFPAOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) - : PredMacroOp(mnem, _machInst, __opClass), - puswl(machInst.puswl), - prepost(machInst.puswl.prepost), - up(machInst.puswl.up), - psruser(machInst.puswl.psruser), - writeback(machInst.puswl.writeback), - loadop(machInst.puswl.loadOp), - disp8(machInst.immed7_0 << 2) - { - numMicroops = 3 + writeback; - microOps = new StaticInstPtr[numMicroops]; - } -}; - -/** - * Arm Macro FM operations to fix lfm and sfm - */ -class ArmMacroFMOp : public PredMacroOp -{ - protected: - uint32_t punwl, - prepost, - up, - n1bit, - writeback, - loadop, - n0bit, - count; - int32_t disp8; - - ArmMacroFMOp(const char *mnem, ExtMachInst _machInst, OpClass __opClass) - : PredMacroOp(mnem, _machInst, __opClass), - punwl(machInst.punwl), - prepost(machInst.puswl.prepost), - up(machInst.puswl.up), - n1bit(machInst.opcode22), - writeback(machInst.puswl.writeback), - loadop(machInst.puswl.loadOp), - n0bit(machInst.opcode15), - disp8(machInst.immed7_0 << 2) - { - // Transfer 1-4 registers based on n1 and n0 bits (with 00 repr. 4) - count = (n1bit << 1) | n0bit; - if (count == 0) - count = 4; - numMicroops = (3*count) + writeback; - microOps = new StaticInstPtr[numMicroops]; - } -}; } #endif //__ARCH_ARM_INSTS_MACROMEM_HH__ |