diff options
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 931a10b..9580ade 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -3659,11 +3659,8 @@ bool X86TargetLowering::shouldFoldMaskToVariableShiftPair(SDValue Y) const { if (VT.isVector()) return false; - // 64-bit shifts on 32-bit targets produce really bad bloated code. - if (VT == MVT::i64 && !Subtarget.is64Bit()) - return false; - - return true; + unsigned MaxWidth = Subtarget.is64Bit() ? 64 : 32; + return VT.getScalarSizeInBits() <= MaxWidth; } TargetLowering::ShiftLegalizationStrategy |