[x86] enable machine combiner reassociations for 256-bit vector FP mul/add

[oota-llvm.git] / lib / Target / X86 / X86InstrInfo.cpp

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index ce0aa8b73203b439e41d63237564b73e383b01a3..f6fb5bf02615469b8cb3e7b7f468ba9f238d6437 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -6401,10 +6401,14 @@ static bool isAssociativeAndCommutative(const MachineInstr &Inst) {
   case X86::MULSSrr:
   case X86::VADDPDrr:
   case X86::VADDPSrr:
   case X86::MULSSrr:
   case X86::VADDPDrr:
   case X86::VADDPSrr:

+  case X86::VADDPDYrr:
+  case X86::VADDPSYrr:

   case X86::VADDSDrr:
   case X86::VADDSSrr:
   case X86::VMULPDrr:
   case X86::VMULPSrr:
   case X86::VADDSDrr:
   case X86::VADDSSrr:
   case X86::VMULPDrr:
   case X86::VMULPSrr:

+  case X86::VMULPDYrr:
+  case X86::VMULPSYrr:

   case X86::VMULSDrr:
   case X86::VMULSSrr:
     return Inst.getParent()->getParent()->getTarget().Options.UnsafeFPMath;
   case X86::VMULSDrr:
   case X86::VMULSSrr:
     return Inst.getParent()->getParent()->getTarget().Options.UnsafeFPMath;