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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-07-26 08:20:16 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-07-27 08:42:32 -0700 |
| commit | 1547d6a64f4b981a06fd46ee446425a32558f2d0 (patch) | |
| tree | 04c1d9b268be4d36880792b115c88ebe135dd6d9 /sysdeps/x86/cpu-features.c | |
| parent | c8c8dbbf279b0ebaed3e871f626ba7dde876d247 (diff) | |
| download | glibc-1547d6a64f4b981a06fd46ee446425a32558f2d0.tar.gz glibc-1547d6a64f4b981a06fd46ee446425a32558f2d0.tar.xz glibc-1547d6a64f4b981a06fd46ee446425a32558f2d0.zip | |
<sys/platform/x86.h>: Add APX support
Add support for Intel Advanced Performance Extensions: https://www.intel.com/content/www/us/en/developer/articles/technical/advanced-performance-extensions-apx.html to <sys/platform/x86.h>.
Diffstat (limited to 'sysdeps/x86/cpu-features.c')
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 9ac195810f..badf088874 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -226,6 +226,10 @@ update_active (struct cpu_features *cpu_features) CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_COMPLEX); } + /* APX is usable only if the APX state is supported by kernel. */ + if ((xcrlow & bit_APX_state) != 0) + CPU_FEATURE_SET_ACTIVE (cpu_features, APX_F); + /* These features are usable only when OSXSAVE is enabled. */ CPU_FEATURE_SET (cpu_features, XSAVE); CPU_FEATURE_SET_ACTIVE (cpu_features, XSAVEOPT); |