From a00db8305db02231cea6e3806d86526d209a580c Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 5 Apr 2023 09:21:36 -0700 Subject: [PATCH] : Add ArchPerfmonExt support Add Architectural Performance Monitoring Extended Leaf (EAX = 23H) support to . Reviewed-by: Noah Goldstein --- 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);