Message ID | 20230405162144.984598-12-hjl.tools@gmail.com |
---|---|
State | New |
Headers | show |
Series | <sys/platform/x86.h>: Update CPUID features | expand |
On Wed, Apr 5, 2023 at 11:26 AM H.J. Lu via Libc-alpha <libc-alpha@sourceware.org> wrote: > > Add Architectural Performance Monitoring Extended Leaf (EAX = 23H) > support to <sys/platform/x86.h>. > --- > manual/platform.texi | 4 ++++ > sysdeps/x86/bits/platform/x86.h | 1 + > sysdeps/x86/tst-get-cpu-features.c | 1 + > 3 files changed, 6 insertions(+) > > diff --git a/manual/platform.texi b/manual/platform.texi > index e4d2c00886..ecee3a7b39 100644 > --- a/manual/platform.texi > +++ b/manual/platform.texi > @@ -206,6 +206,10 @@ The supported processor features are: > @item > @code{ARCH_CAPABILITIES} -- IA32_ARCH_CAPABILITIES MSR. > > +@item > +@code{ArchPerfmonExt} -- Architectural Performance Monitoring Extended > +Leaf (EAX = 23H). > + > @item > @code{AVX} -- The AVX instruction extensions. > > diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h > index 0187964aba..74b7f951e1 100644 > --- a/sysdeps/x86/bits/platform/x86.h > +++ b/sysdeps/x86/bits/platform/x86.h > @@ -293,6 +293,7 @@ enum > x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5, > x86_cpu_LASS = x86_cpu_index_7_ecx_1_eax + 6, > x86_cpu_CMPCCXADD = x86_cpu_index_7_ecx_1_eax + 7, > + x86_cpu_ArchPerfmonExt = x86_cpu_index_7_ecx_1_eax + 8, > x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10, > x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11, > x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12, > diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c > index d8bc92560f..329d4aafb4 100644 > --- a/sysdeps/x86/tst-get-cpu-features.c > +++ b/sysdeps/x86/tst-get-cpu-features.c > @@ -205,6 +205,7 @@ do_test (void) > CHECK_CPU_FEATURE_PRESENT (AVX512_BF16); > CHECK_CPU_FEATURE_PRESENT (LASS); > CHECK_CPU_FEATURE_PRESENT (CMPCCXADD); > + CHECK_CPU_FEATURE_PRESENT (ArchPerfmonExt); > CHECK_CPU_FEATURE_PRESENT (FZLRM); > CHECK_CPU_FEATURE_PRESENT (FSRS); > CHECK_CPU_FEATURE_PRESENT (FSRCS); > -- > 2.39.2 > LGTM Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
diff --git a/manual/platform.texi b/manual/platform.texi index e4d2c00886..ecee3a7b39 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -206,6 +206,10 @@ The supported processor features are: @item @code{ARCH_CAPABILITIES} -- IA32_ARCH_CAPABILITIES MSR. +@item +@code{ArchPerfmonExt} -- Architectural Performance Monitoring Extended +Leaf (EAX = 23H). + @item @code{AVX} -- The AVX instruction extensions. diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 0187964aba..74b7f951e1 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -293,6 +293,7 @@ enum x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5, x86_cpu_LASS = x86_cpu_index_7_ecx_1_eax + 6, x86_cpu_CMPCCXADD = x86_cpu_index_7_ecx_1_eax + 7, + x86_cpu_ArchPerfmonExt = x86_cpu_index_7_ecx_1_eax + 8, x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10, x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11, x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12, diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index d8bc92560f..329d4aafb4 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -205,6 +205,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (AVX512_BF16); CHECK_CPU_FEATURE_PRESENT (LASS); CHECK_CPU_FEATURE_PRESENT (CMPCCXADD); + CHECK_CPU_FEATURE_PRESENT (ArchPerfmonExt); CHECK_CPU_FEATURE_PRESENT (FZLRM); CHECK_CPU_FEATURE_PRESENT (FSRS); CHECK_CPU_FEATURE_PRESENT (FSRCS);