On Wed, Jun 24, 2020 at 3:12 PM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> All Sky Lake family processors have the same CPUID model number, 0x55.
> The differences are Cascade Lake has AVX512VNNI and Cooper Lake has
> AVX512VNNI + AVX512BF16. Check AVX512BF16 for Cooper Lake.
>
> PR target/95774
> * common/config/i386/cpuinfo.h (get_intel_cpu): Add Cooper Lake
> detection with AVX512BF16.
OK.
Thanks,
Uros.
> ---
> gcc/common/config/i386/cpuinfo.h | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
>
> diff --git a/gcc/common/config/i386/cpuinfo.h
> b/gcc/common/config/i386/cpuinfo.h
> index 0a0e88011bc..3eda53240f6 100644
> --- a/gcc/common/config/i386/cpuinfo.h
> +++ b/gcc/common/config/i386/cpuinfo.h
> @@ -397,7 +397,15 @@ get_intel_cpu (struct __processor_model *cpu_model,
> CHECK___builtin_cpu_is ("corei7");
> cpu_model->__cpu_type = INTEL_COREI7;
> if (has_cpu_feature (cpu_model, cpu_features2,
> - FEATURE_AVX512VNNI))
> + FEATURE_AVX512BF16))
> + {
> + /* Cooper Lake. */
> + cpu = "cooperlake";
> + CHECK___builtin_cpu_is ("cooperlake");
> + cpu_model->__cpu_subtype = INTEL_COREI7_COOPERLAKE;
> + }
> + else if (has_cpu_feature (cpu_model, cpu_features2,
> + FEATURE_AVX512VNNI))
> {
> /* Cascade Lake. */
> cpu = "cascadelake";
> --
> 2.26.2
>
