[llvm] r223709 - [PowerPC]Activate FeatureVSX for the Power target

[Bill Schmidt]

On Mon, 2014-12-08 at 15:40 -0800, Filipe Cabecinhas wrote:
> Can you fix the tests too, please?
> CodeGen/PowerPC/vsx-p8.ll started failing because it was using
> power8-vector.
> 
Ah, this would be fixed by adding FeatureP8Vector to Power8, which we
should probably do ASAP.  Bill, can you look into that tomorrow?

Thanks,
Bill
> 
> 
> Thanks,
> 
> 
>   Filipe
> 
>   F
> 
> 
> On Mon, Dec 8, 2014 at 3:07 PM, Bill Seurer
> <seurer at linux.vnet.ibm.com> wrote:
>         Author: seurer
>         Date: Mon Dec  8 17:07:12 2014
>         New Revision: 223709
>         
>         URL: http://llvm.org/viewvc/llvm-project?rev=223709&view=rev
>         Log:
>         [PowerPC]Activate FeatureVSX for the Power target
>         
>         This change activates FeatureVSX for Power 7 and Power 8 in
>         PPC.td.
>         
>         http://reviews.llvm.org/D6570
>         
>         Modified:
>             llvm/trunk/lib/Target/PowerPC/PPC.td
>         
>         Modified: llvm/trunk/lib/Target/PowerPC/PPC.td
>         URL:
>         http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPC.td?rev=223709&r1=223708&r2=223709&view=diff
>         ==============================================================================
>         --- llvm/trunk/lib/Target/PowerPC/PPC.td (original)
>         +++ llvm/trunk/lib/Target/PowerPC/PPC.td Mon Dec  8 17:07:12
>         2014
>         @@ -104,9 +104,6 @@ def FeatureQPX       : SubtargetFeature<
>          def FeatureVSX       : SubtargetFeature<"vsx","HasVSX",
>         "true",
>                                                  "Enable VSX
>         instructions",
>                                                  [FeatureAltivec]>;
>         -def FeatureP8Vector  : SubtargetFeature<"power8-vector",
>         "HasP8Vector", "true",
>         -                                        "Enable POWER8 vector
>         instructions",
>         -                                        [FeatureVSX,
>         FeatureAltivec]>;
>         
>          def DeprecatedMFTB   : SubtargetFeature<"", "DeprecatedMFTB",
>         "true",
>                                                  "Treat mftb as
>         deprecated">;
>         @@ -119,6 +116,7 @@ def DeprecatedDST    : SubtargetFeature<
>          // CMPB         p6, p6x, p7        cmpb
>          // DFP          p6, p6x, p7        decimal floating-point
>         instructions
>          // POPCNTB      p5 through p7      popcntb and related
>         instructions
>         +// VSX          p7                 vector-scalar instruction
>         set
>         
>          //===----------------------------------------------------------------------===//
>          // ABI Selection
>                           //
>         @@ -303,7 +301,7 @@ def : ProcessorModel<"pwr6x", G5Model,
>                             FeatureFPRND, Feature64Bit,
>                             DeprecatedMFTB, DeprecatedDST]>;
>          def : ProcessorModel<"pwr7", P7Model,
>         -                  [DirectivePwr7, FeatureAltivec,
>         +                  [DirectivePwr7, FeatureAltivec, FeatureVSX,
>                             FeatureMFOCRF, FeatureFCPSGN,
>         FeatureFSqrt, FeatureFRE,
>                             FeatureFRES, FeatureFRSQRTE,
>         FeatureFRSQRTES,
>                             FeatureRecipPrec, FeatureSTFIWX,
>         FeatureLFIWAX,
>         @@ -312,7 +310,7 @@ def : ProcessorModel<"pwr7", P7Model,
>                             Feature64Bit /*, Feature64BitRegs */,
>                             DeprecatedMFTB, DeprecatedDST]>;
>          def : ProcessorModel<"pwr8", P7Model /* FIXME: Update to
>         P8Model when available */,
>         -                  [DirectivePwr8, FeatureAltivec,
>         +                  [DirectivePwr8, FeatureAltivec, FeatureVSX,
>                             FeatureMFOCRF, FeatureFCPSGN,
>         FeatureFSqrt, FeatureFRE,
>                             FeatureFRES, FeatureFRSQRTE,
>         FeatureFRSQRTES,
>                             FeatureRecipPrec, FeatureSTFIWX,
>         FeatureLFIWAX,
>         
>         
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