From 638aa687d4ad7b2384144de93518aaebfef9e38d Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Sun, 5 Aug 2012 00:17:48 +0000 Subject: [PATCH] Use a COPY node instead of an explicit MOVA opcode in the custom insterter for pcmpestrm/pcmpistrm. Allows the register allocator to handle it better and prevent wasted identity moves. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161305 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86ISelLowering.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 1a614c165ab..f774d04ca67 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -11867,8 +11867,7 @@ X86TargetLowering::EmitPCMP(MachineInstr *MI, MachineBasicBlock *BB, MIB.addOperand(Op); } BuildMI(*BB, MI, dl, - TII->get(Subtarget->hasAVX() ? X86::VMOVAPSrr : X86::MOVAPSrr), - MI->getOperand(0).getReg()) + TII->get(TargetOpcode::COPY), MI->getOperand(0).getReg()) .addReg(X86::XMM0); MI->eraseFromParent();