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Remove unneeded MMX instruction definition by moving pattern to an equivalent instruction definition and removing the filtering from the disassembler table building. 

llvm-svn: 192175
This commit is contained in:
Craig Topper 2013-10-08 06:30:39 +00:00
parent 3f0fdbdfd1
commit a984729f8a
2 changed files with 2 additions and 7 deletions
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8
llvm/lib/Target/X86/X86InstrMMX.td
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@ -236,10 +236,10 @@ def MMX_MOVD64grr : MMXI<0x7E, MRMDestReg, (outs GR32:$dst), (ins VR64:$src),
(MMX_X86movd2w (x86mmx VR64:$src)))],
IIC_MMX_MOV_REG_MM>, Sched<[WriteMove]>;
let neverHasSideEffects = 1 in
def MMX_MOVD64to64rr : MMXRI<0x6E, MRMSrcReg, (outs VR64:$dst), (ins GR64:$src),
"movd\t{$src, $dst|$dst, $src}",
[], IIC_MMX_MOV_MM_RM>, Sched<[WriteMove]>;
[(set VR64:$dst, (bitconvert GR64:$src))],
IIC_MMX_MOV_MM_RM>, Sched<[WriteMove]>;
// These are 64 bit moves, but since the OS X assembler doesn't
// recognize a register-register movq, we write them as
@ -250,10 +250,6 @@ def MMX_MOVD64from64rr : MMXRI<0x7E, MRMDestReg,
"movd\t{$src, $dst|$dst, $src}",
[(set GR64:$dst,
(bitconvert VR64:$src))], IIC_MMX_MOV_REG_MM>;
def MMX_MOVD64rrv164 : MMXRI<0x6E, MRMSrcReg, (outs VR64:$dst), (ins GR64:$src),
"movd\t{$src, $dst|$dst, $src}",
[(set VR64:$dst,
(bitconvert GR64:$src))], IIC_MMX_MOV_MM_RM>;
let neverHasSideEffects = 1 in
def MMX_MOVQ64rr : MMXI<0x6F, MRMSrcReg, (outs VR64:$dst), (ins VR64:$src),
"movq\t{$src, $dst|$dst, $src}", [],

1
llvm/utils/TableGen/X86RecognizableInstr.cpp
View File

@ -546,7 +546,6 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const {
if (Name == "PUSH64i16" ||
Name == "MOVPQI2QImr" ||
Name == "VMOVPQI2QImr" ||
Name == "MMX_MOVD64rrv164" ||
Name == "MOV64ri64i32" ||
Name == "VMASKMOVDQU64" ||
Name == "VEXTRACTPSrr64")