diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 71504f94d0..47388eae48 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -125,11 +125,11 @@ MachineInstr *X86InstrInfo::convertToThreeAddress(MachineInstr *MI) const { case X86::SHUFPSrri: { assert(MI->getNumOperands() == 4 && "Unknown shufps instruction!"); const X86Subtarget *Subtarget = &TM.getSubtarget<X86Subtarget>(); - if (!Subtarget->hasSSE2()) return 0; unsigned A = MI->getOperand(0).getReg(); unsigned B = MI->getOperand(1).getReg(); unsigned C = MI->getOperand(2).getReg(); unsigned M = MI->getOperand(3).getImmedValue(); + if (!Subtarget->hasSSE2() || B != C) return 0; return BuildMI(X86::PSHUFDri, 2, A).addReg(B).addImm(M); } } |