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| author | Sanjay Patel <spatel@rotateright.com> | 2015-08-19 21:18:46 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2015-08-19 21:18:46 +0000 |
| commit | 4e3ee1e548a28eb72c235dd70117997c7691424e (patch) | |
| tree | 7ff41cb1045273aab4d372d5d2d8a9ed402fca74 /llvm/lib/Target/X86/X86InstrInfo.cpp | |
| parent | 35f528262f47d283023ed0c6a2d12d1da4bc2df3 (diff) | |
| download | bcm5719-llvm-4e3ee1e548a28eb72c235dd70117997c7691424e.tar.gz bcm5719-llvm-4e3ee1e548a28eb72c235dd70117997c7691424e.zip | |
[x86] enable machine combiner reassociations for scalar single-precision maximums
llvm-svn: 245504
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index bd3a3e5165d..d9ee8b3c6d0 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -6394,7 +6394,9 @@ static bool isAssociativeAndCommutative(const MachineInstr &Inst) { // Normal min/max instructions are not commutative because of NaN and signed // zero semantics, but these are. Thus, there's no need to check for global // relaxed math; the instructions themselves have the properties we need. + case X86::MAXCSSrr: case X86::MINCSSrr: + case X86::VMAXCSSrr: case X86::VMINCSSrr: return true; case X86::ADDPDrr: |
