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<sys/platform/x86.h>: Add ArchPerfmonExt support

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Add Architectural Performance Monitoring Extended Leaf (EAX = 23H)
support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
This commit is contained in:
H.J. Lu 2023-04-05 09:21:36 -07:00
parent 2f02d0d8e1
commit a00db8305d
3 changed files with 6 additions and 0 deletions
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4
manual/platform.texi
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@ -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.

1
sysdeps/x86/bits/platform/x86.h
View file

@ -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,

1
sysdeps/x86/tst-get-cpu-features.c
View file

@ -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);