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[X86] Disable load unfolding for 128-bit MOVDDUP instructions since the load size is smaller than the register size so unfolding would increase the load size. 

llvm-svn: 291338
This commit is contained in:
Craig Topper 2017-01-07 06:56:54 +00:00
parent a7234f1a60
commit 42b848a683
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/X86/X86InstrInfo.cpp
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@ -543,7 +543,7 @@ X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
{ X86::MOV8rr, X86::MOV8rm, 0 },
{ X86::MOVAPDrr, X86::MOVAPDrm, TB_ALIGN_16 },
{ X86::MOVAPSrr, X86::MOVAPSrm, TB_ALIGN_16 },
{ X86::MOVDDUPrr, X86::MOVDDUPrm, 0 },
{ X86::MOVDDUPrr, X86::MOVDDUPrm, TB_NO_REVERSE },
{ X86::MOVDI2PDIrr, X86::MOVDI2PDIrm, 0 },
{ X86::MOVDI2SSrr, X86::MOVDI2SSrm, 0 },
{ X86::MOVDQArr, X86::MOVDQArm, TB_ALIGN_16 },
@ -661,7 +661,7 @@ X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
{ X86::VMOV64toSDrr, X86::VMOV64toSDrm, 0 },
{ X86::VMOVAPDrr, X86::VMOVAPDrm, TB_ALIGN_16 },
{ X86::VMOVAPSrr, X86::VMOVAPSrm, TB_ALIGN_16 },
{ X86::VMOVDDUPrr, X86::VMOVDDUPrm, 0 },
{ X86::VMOVDDUPrr, X86::VMOVDDUPrm, TB_NO_REVERSE },
{ X86::VMOVDI2PDIrr, X86::VMOVDI2PDIrm, 0 },
{ X86::VMOVDI2SSrr, X86::VMOVDI2SSrm, 0 },
{ X86::VMOVDQArr, X86::VMOVDQArm, TB_ALIGN_16 },