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x86_64: Add support for __memcmpeq using sse2, avx2, and evex

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No bug. This commit adds support for __memcmpeq to be implemented
seperately from memcmp. Support is added for versions optimized with
sse2, avx2, and evex.
This commit is contained in:
Noah Goldstein
2021-10-26 19:43:18 -05:00
parent cf3acd774f
commit cf4fd28ea4
12 changed files with 202 additions and 9 deletions
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5
sysdeps/generic/ifunc-init.h
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@@ -50,5 +50,8 @@
'__<symbol>_<variant>' as the optimized implementation and
'<symbol>_ifunc_selector' as the IFUNC selector. */
#define REDIRECT_NAME EVALUATOR1 (__redirect, SYMBOL_NAME)
#define OPTIMIZE(name) EVALUATOR2 (SYMBOL_NAME, name)
#define IFUNC_SELECTOR EVALUATOR1 (SYMBOL_NAME, ifunc_selector)
#define OPTIMIZE1(name) EVALUATOR1 (SYMBOL_NAME, name)
#define OPTIMIZE2(name) EVALUATOR2 (SYMBOL_NAME, name)
/* Default is to use OPTIMIZE2. */
#define OPTIMIZE(name) OPTIMIZE2(name)