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| author | Russell Keith-Magee <russell@keith-magee.com> | 2024-09-16 04:23:05 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-16 04:23:05 (GMT) |
| commit | ef530ce7c61dc16387fb68d48aebfbbbfe02adbb (patch) | |
| tree | 9471d5ed39fa9dd9166b8255b54a11a85c011b52 /Modules/blake2module.c | |
| parent | 56470004e58911b146c016fc9fec4461b8f69454 (diff) | |
| download | cpython-ef530ce7c61dc16387fb68d48aebfbbbfe02adbb.zip cpython-ef530ce7c61dc16387fb68d48aebfbbbfe02adbb.tar.gz cpython-ef530ce7c61dc16387fb68d48aebfbbbfe02adbb.tar.bz2 | |
gh-123748: Add conditional compilation rules for HACL SIMD256 and SIMD128 on macOS (#123989)
Add conditional compilation rules to allow HACL SIMD256 and SIMD128 to be ignored on the ARM64 pass of universal2 macOS builds.
Diffstat (limited to 'Modules/blake2module.c')
| -rw-r--r-- | Modules/blake2module.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Modules/blake2module.c b/Modules/blake2module.c index 56d1ced..1ec676c 100644 --- a/Modules/blake2module.c +++ b/Modules/blake2module.c @@ -41,6 +41,16 @@ #include <stdbool.h> +// SIMD256 can't be compiled on macOS ARM64, and performance of SIMD128 isn't +// great; but when compiling a universal2 binary, autoconf will set +// HACL_CAN_COMPILE_SIMD128 and HACL_CAN_COMPILE_SIMD256 because they *can* be +// compiled on x86_64. If we're on macOS ARM64, disable these preprocessor +// symbols. +#if defined(__APPLE__) && defined(__arm64__) +# undef HACL_CAN_COMPILE_SIMD128 +# undef HACL_CAN_COMPILE_SIMD256 +#endif + // ECX #define ECX_SSE3 (1 << 0) #define ECX_SSSE3 (1 << 9) |