[llvm] 82bee92 - Make FEATURE_AVX512VP2INTERSECT match between compiler-rt and LLVM

[Craig Topper via llvm-commits]

Thanks for catching that.

~Craig


On Mon, May 25, 2020 at 3:12 PM Benjamin Kramer via llvm-commits <
llvm-commits at lists.llvm.org> wrote:

>
> Author: Benjamin Kramer
> Date: 2020-05-25T15:18:04+02:00
> New Revision: 82bee922afd65bf884abb9ea3db3fc7fede4e1cf
>
> URL:
> https://github.com/llvm/llvm-project/commit/82bee922afd65bf884abb9ea3db3fc7fede4e1cf
> DIFF:
> https://github.com/llvm/llvm-project/commit/82bee922afd65bf884abb9ea3db3fc7fede4e1cf.diff
>
> LOG: Make FEATURE_AVX512VP2INTERSECT match between compiler-rt and LLVM
>
> compiler-rt also doesn't support bits >= 64 as far as I know.
>
> Added:
>
>
> Modified:
>     llvm/include/llvm/Support/X86TargetParser.def
>     llvm/lib/Support/Host.cpp
>
> Removed:
>
>
>
>
> ################################################################################
> diff  --git a/llvm/include/llvm/Support/X86TargetParser.def
> b/llvm/include/llvm/Support/X86TargetParser.def
> index f4780c7d113e..c826f590b71f 100644
> --- a/llvm/include/llvm/Support/X86TargetParser.def
> +++ b/llvm/include/llvm/Support/X86TargetParser.def
> @@ -162,7 +162,7 @@ X86_FEATURE_COMPAT(33, FEATURE_VPCLMULQDQ,
> "vpclmulqdq")
>  X86_FEATURE_COMPAT(34, FEATURE_AVX512VNNI,      "avx512vnni")
>  X86_FEATURE_COMPAT(35, FEATURE_AVX512BITALG,    "avx512bitalg")
>  X86_FEATURE_COMPAT(36, FEATURE_AVX512BF16,      "avx512bf16")
> -X86_FEATURE_COMPAT(69, FEATURE_AVX512VP2INTERSECT, "avx512vp2intersect")
> +X86_FEATURE_COMPAT(37, FEATURE_AVX512VP2INTERSECT, "avx512vp2intersect")
>  // Features below here are not in libgcc/compiler-rt.
>  X86_FEATURE       (64, FEATURE_MOVBE)
>  X86_FEATURE       (65, FEATURE_ADX)
>
> diff  --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
> index d9187efafbc1..d9b3cac5e8dc 100644
> --- a/llvm/lib/Support/Host.cpp
> +++ b/llvm/lib/Support/Host.cpp
> @@ -776,7 +776,7 @@ getIntelProcessorTypeAndSubtype(unsigned Family,
> unsigned Model,
>
>      default: // Unknown family 6 CPU, try to guess.
>        // TODO detect tigerlake host
> -      if (Features3 & (1 << (X86::FEATURE_AVX512VP2INTERSECT - 64))) {
> +      if (Features2 & (1 << (X86::FEATURE_AVX512VP2INTERSECT - 32))) {
>          *Type = X86::INTEL_COREI7;
>          *Subtype = X86::INTEL_COREI7_TIGERLAKE;
>          break;
>
>
>
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