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author | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-03-24 18:56:12 -0500 |
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committer | Noah Goldstein <goldstein.w.n@gmail.com> | 2022-03-25 13:16:43 -0500 |
commit | bbf81222343fed5cd704001a2ae0d86c71544151 (patch) | |
tree | be61639b266f1452ecea891871f6f11482b0aa4c /sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S | |
parent | 39399913a244a911edb1ff1e31dfe38e64177bb5 (diff) | |
download | glibc-bbf81222343fed5cd704001a2ae0d86c71544151.tar.gz glibc-bbf81222343fed5cd704001a2ae0d86c71544151.tar.xz glibc-bbf81222343fed5cd704001a2ae0d86c71544151.zip |
x86: Add AVX2 optimized str{n}casecmp
geometric_mean(N=40) of all benchmarks AVX2 / SSE42: .702 All string/memory tests pass. Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
Diffstat (limited to 'sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S')
-rw-r--r-- | sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S b/sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S new file mode 100644 index 0000000000..58c05dcfb8 --- /dev/null +++ b/sysdeps/x86_64/multiarch/strncase_l-avx2-rtm.S @@ -0,0 +1,16 @@ +#ifndef STRCMP +# define STRCMP __strncasecmp_l_avx2_rtm +#endif + +#define _GLABEL(x) x ## _rtm +#define GLABEL(x) _GLABEL(x) + +#define ZERO_UPPER_VEC_REGISTERS_RETURN \ + ZERO_UPPER_VEC_REGISTERS_RETURN_XTEST + +#define VZEROUPPER_RETURN jmp L(return_vzeroupper) + +#define SECTION(p) p##.avx.rtm +#define OVERFLOW_STRCMP __strcasecmp_l_avx2_rtm + +#include "strncase_l-avx2.S" |