[llvm-commits] [llvm] r161305 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Chandler Carruth]

Test case?


On Sat, Aug 4, 2012 at 5:17 PM, Craig Topper <craig.topper at gmail.com> wrote:

> Author: ctopper
> Date: Sat Aug  4 19:17:48 2012
> New Revision: 161305
>
> URL: http://llvm.org/viewvc/llvm-project?rev=161305&view=rev
> Log:
> 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.
>
> Modified:
>     llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
>
> Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=161305&r1=161304&r2=161305&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Sat Aug  4 19:17:48 2012
> @@ -11867,8 +11867,7 @@
>        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();
>
>
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