diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index e595876dcf..af570adb79 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -566,6 +566,16 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) { X86::VSQRTPSYr_Int, X86::VSQRTPSYm_Int, TB_ALIGN_32 }, { X86::VBROADCASTSSYrr, X86::VBROADCASTSSYrm, TB_NO_REVERSE }, { X86::VBROADCASTSDYrr, X86::VBROADCASTSDYrm, TB_NO_REVERSE }, + + // BMI/BMI2 foldable instructions + { X86::RORX32ri, X86::RORX32mi, 0 }, + { X86::RORX64ri, X86::RORX64mi, 0 }, + { X86::SARX32rr, X86::SARX32rm, 0 }, + { X86::SARX64rr, X86::SARX64rm, 0 }, + { X86::SHRX32rr, X86::SHRX32rm, 0 }, + { X86::SHRX64rr, X86::SHRX64rm, 0 }, + { X86::SHLX32rr, X86::SHLX32rm, 0 }, + { X86::SHLX64rr, X86::SHLX64rm, 0 }, }; for (unsigned i = 0, e = array_lengthof(OpTbl1); i != e; ++i) { @@ -1145,6 +1155,10 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) { X86::VFMSUBADDPD4rr, X86::VFMSUBADDPD4mr, TB_ALIGN_16 }, { X86::VFMSUBADDPS4rrY, X86::VFMSUBADDPS4mrY, TB_ALIGN_32 }, { X86::VFMSUBADDPD4rrY, X86::VFMSUBADDPD4mrY, TB_ALIGN_32 }, + + // BMI/BMI2 foldable instructions + { X86::MULX32rr, X86::MULX32rm, 0 }, + { X86::MULX64rr, X86::MULX64rm, 0 }, }; for (unsigned i = 0, e = array_lengthof(OpTbl2); i != e; ++i) { @@ -3812,7 +3826,7 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, // Unless optimizing for size, don't fold to avoid partial // register update stalls - if (!MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize) && + if (!MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr() && hasPartialRegUpdate(MI->getOpcode())) return 0; @@ -3853,7 +3867,7 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, // Unless optimizing for size, don't fold to avoid partial // register update stalls - if (!MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize) && + if (!MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr() && hasPartialRegUpdate(MI->getOpcode())) return 0; |