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gh-99108: add support for SIMD-accelerated HMAC-BLAKE2 #132120

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Merged
picnixz merged 2 commits into from
Apr 7, 2025
+75 −4
Merged

gh-99108: add support for SIMD-accelerated HMAC-BLAKE2 #132120

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406410d
add support for SIMD-accelerated HMAC-BLAKE2
picnixz Apr 5, 2025
2e05bf7
suppress unused warnings
picnixz Apr 5, 2025
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suppress unused warnings
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@picnixz
picnixz committed Apr 5, 2025
commit 2e05bf7234f5835e622cfe48148fdac9da8a70be
6 changes: 6 additions & 0 deletions Modules/hmacmodule.c
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Expand Up @@ -1736,13 +1736,19 @@ hmacmodule_init_cpu_features(hmacmodule_state *state)
// TODO(picnixz): use py_cpuid_features (gh-125022) to improve detection
state->can_run_simd128 = sse && sse2 && sse3 && sse41 && sse42 && cmov;
#else
// fmt: off
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(void)sse; (void)sse2; (void)sse3; (void)sse41; (void)sse42; (void)cmov;
// fmt: on
state->can_run_simd128 = false;
#endif

#if HACL_CAN_COMPILE_SIMD256
// TODO(picnixz): use py_cpuid_features (gh-125022) to improve detection
state->can_run_simd256 = state->can_run_simd128 && avx && avx2;
#else
// fmt: off
(void)avx; (void)avx2;
// fmt: on
state->can_run_simd256 = false;
#endif
}
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