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| author | H.J. Lu <hjl.tools@gmail.com> | 2021-02-04 10:39:34 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-02-07 08:01:14 -0800 |
| commit | 5ab25c88758810269607a066fcac399e29863510 (patch) | |
| tree | fff85c2b2b481b413d71872bd5753f870557d89a /sysdeps/x86/tst-get-cpu-features.c | |
| parent | c3479fb7939898ec22c655c383454d6e8b982a67 (diff) | |
| download | glibc-5ab25c88758810269607a066fcac399e29863510.tar.gz glibc-5ab25c88758810269607a066fcac399e29863510.tar.xz glibc-5ab25c88758810269607a066fcac399e29863510.zip | |
x86: Add PTWRITE feature detection [BZ #27346]
1. Add CPUID_INDEX_14_ECX_0 for CPUID leaf 0x14 to detect PTWRITE feature in EBX of CPUID leaf 0x14 with ECX == 0. 2. Add PTWRITE detection to CPU feature tests. 3. Add 2 static CPU feature tests.
Diffstat (limited to 'sysdeps/x86/tst-get-cpu-features.c')
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index b5e7f6e7b0..583e1e6d49 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 (LAM); CHECK_CPU_FEATURE (AESKLE); CHECK_CPU_FEATURE (WIDE_KL); + CHECK_CPU_FEATURE (PTWRITE); printf ("Usable CPU features:\n"); CHECK_CPU_FEATURE_USABLE (SSE3); @@ -364,6 +365,7 @@ do_test (void) CHECK_CPU_FEATURE_USABLE (FSRCS); CHECK_CPU_FEATURE_USABLE (AESKLE); CHECK_CPU_FEATURE_USABLE (WIDE_KL); + CHECK_CPU_FEATURE_USABLE (PTWRITE); return 0; } |