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| author | H.J. Lu <hongjiu.lu@intel.com> | 2009-06-22 20:38:41 -0700 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-06-22 20:38:41 -0700 |
| commit | 772f4e6a1be0e3fbd8c4e9edacf1887269f598dc (patch) | |
| tree | 50b511859f2b331548f08454b5dfc70f61a698ca /sysdeps/x86_64/multiarch/init-arch.h | |
| parent | 9618c7c20e1dac85834bd17f4591ea80f88b758d (diff) | |
| download | glibc-772f4e6a1be0e3fbd8c4e9edacf1887269f598dc.tar.gz glibc-772f4e6a1be0e3fbd8c4e9edacf1887269f598dc.tar.xz glibc-772f4e6a1be0e3fbd8c4e9edacf1887269f598dc.zip | |
Add SSE4.2 support for strcmp and strncmp on x86-64.
Diffstat (limited to 'sysdeps/x86_64/multiarch/init-arch.h')
| -rw-r--r-- | sysdeps/x86_64/multiarch/init-arch.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/init-arch.h b/sysdeps/x86_64/multiarch/init-arch.h index f160ba2a94..5c4892de38 100644 --- a/sysdeps/x86_64/multiarch/init-arch.h +++ b/sysdeps/x86_64/multiarch/init-arch.h @@ -56,3 +56,6 @@ extern void __init_cpu_features (void) attribute_hidden; #define HAS_POPCOUNT \ ((__cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx & (1 << 23)) != 0) + +#define HAS_SSE4_2 \ + ((__cpu_features.cpuid[COMMON_CPUID_INDEX_1].ecx & (1 << 20)) != 0) |