diff mbox series

[11/19] <sys/platform/x86.h>: Add ArchPerfmonExt support

Message ID 20230405162144.984598-12-hjl.tools@gmail.com
State Committed
Commit a00db8305db02231cea6e3806d86526d209a580c
Headers
Series <sys/platform/x86.h>: Update CPUID features |

Commit Message

H.J. Lu April 5, 2023, 4:21 p.m. UTC 
  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(+)

Comments

Noah Goldstein April 5, 2023, 9:04 p.m. UTC | #1 
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 mbox series

Patch

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);