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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 09:21:34 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 14:46:10 -0700 |
| commit | aa528a579b3fc98eab43986619087cafe3f260d0 (patch) | |
| tree | 96a5ef62b68c2fc85886269a5424deafb3d68ea3 | |
| parent | 231bf916ce9572776df0b5f197b57739c1ddc7ac (diff) | |
| download | glibc-aa528a579b3fc98eab43986619087cafe3f260d0.tar.gz glibc-aa528a579b3fc98eab43986619087cafe3f260d0.tar.xz glibc-aa528a579b3fc98eab43986619087cafe3f260d0.zip | |
<sys/platform/x86.h>: Add LASS support
Add Linear Address Space Separation (LASS) support to <sys/platform/x86.h>. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
| -rw-r--r-- | manual/platform.texi | 3 | ||||
| -rw-r--r-- | sysdeps/x86/bits/platform/x86.h | 1 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 1 |
3 files changed, 5 insertions, 0 deletions
diff --git a/manual/platform.texi b/manual/platform.texi index a6e33b1572..be04194c88 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -407,6 +407,9 @@ the indirect branch predictor barrier (IBPB). @code{LAM} -- Linear Address Masking. @item +@code{LASS} -- Linear Address Space Separation. + +@item @code{LBR} -- Architectural LBR. @item diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 6fc3b69651..c9ee8fcf90 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -291,6 +291,7 @@ enum x86_cpu_RAO_INT = x86_cpu_index_7_ecx_1_eax + 3, x86_cpu_AVX_VNNI = x86_cpu_index_7_ecx_1_eax + 4, 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_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 6a3f29db98..9da561a559 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -203,6 +203,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (RAO_INT); CHECK_CPU_FEATURE_PRESENT (AVX_VNNI); CHECK_CPU_FEATURE_PRESENT (AVX512_BF16); + CHECK_CPU_FEATURE_PRESENT (LASS); CHECK_CPU_FEATURE_PRESENT (FZLRM); CHECK_CPU_FEATURE_PRESENT (FSRS); CHECK_CPU_FEATURE_PRESENT (FSRCS); |