[llvm-commits] [llvm] r171078 - /llvm/trunk/lib/Target/X86/X86InstrInfo.cpp

[Nadav Rotem]

Thanks.  We also need to look at the FMA instructions. 

On Dec 25, 2012, at 4:35 PM, Craig Topper <craig.topper at gmail.com> wrote:

> Author: ctopper
> Date: Tue Dec 25 18:35:47 2012
> New Revision: 171078
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=171078&view=rev
> Log:
> Remove alignment requirement from VCVTSS2SD in folding tables. Reverting r171049. This instruction doesn't require alignment.
> 
> Modified:
>    llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
> 
> Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.cpp?rev=171078&r1=171077&r2=171078&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/X86InstrInfo.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86InstrInfo.cpp Tue Dec 25 18:35:47 2012
> @@ -852,8 +852,8 @@
>     { X86::Int_VCVTSI2SS64rr, X86::Int_VCVTSI2SS64rm,  0 },
>     { X86::VCVTSI2SSrr,       X86::VCVTSI2SSrm,        0 },
>     { X86::Int_VCVTSI2SSrr,   X86::Int_VCVTSI2SSrm,    0 },
> -    { X86::VCVTSS2SDrr,       X86::VCVTSS2SDrm,        TB_ALIGN_16 },
> -    { X86::Int_VCVTSS2SDrr,   X86::Int_VCVTSS2SDrm,    TB_ALIGN_16 },
> +    { X86::VCVTSS2SDrr,       X86::VCVTSS2SDrm,        0 },
> +    { X86::Int_VCVTSS2SDrr,   X86::Int_VCVTSS2SDrm,    0 },
>     { X86::VCVTTPD2DQrr,      X86::VCVTTPD2DQXrm,      0 },
>     { X86::VCVTTPS2DQrr,      X86::VCVTTPS2DQrm,       0 },
>     { X86::VRSQRTSSr,         X86::VRSQRTSSm,          0 },
> 
> 
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