diff options
| author | Henrik Gramner <gramner@twoorioles.com> | 2020-01-24 22:34:18 +0300 |
|---|---|---|
| committer | Henrik Gramner <gramner@twoorioles.com> | 2020-01-29 16:11:38 +0300 |
| commit | 9c29f229c5aa7d2d9564d44e8932011f23ac4e77 (patch) | |
| tree | 472a3309d45b5be2a20fb2d3fe2a70d0aafc2174 /include | |
| parent | 361a3c8ee2d03f87f42a76213ee0f93e49fa9ec3 (diff) | |
checkasm: Increase buffer alignment to 64-byte on x86-64
Required for AVX-512.
Diffstat (limited to 'include')
| -rw-r--r-- | include/common/attributes.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/common/attributes.h b/include/common/attributes.h index 4bd8217..d5c4ce5 100644 --- a/include/common/attributes.h +++ b/include/common/attributes.h @@ -43,15 +43,18 @@ #endif #if ARCH_X86_64 -/* x86-64 needs 32-byte alignment for AVX2. */ +/* x86-64 needs 32- and 64-byte alignment for AVX2 and AVX-512. */ +#define ALIGN_64_VAL 64 #define ALIGN_32_VAL 32 #define ALIGN_16_VAL 16 #elif ARCH_X86_32 || ARCH_ARM || ARCH_AARCH64 || ARCH_PPC64LE /* ARM doesn't benefit from anything more than 16-byte alignment. */ +#define ALIGN_64_VAL 16 #define ALIGN_32_VAL 16 #define ALIGN_16_VAL 16 #else /* No need for extra alignment on platforms without assembly. */ +#define ALIGN_64_VAL 8 #define ALIGN_32_VAL 8 #define ALIGN_16_VAL 8 #endif @@ -76,9 +79,10 @@ * becomes: * ALIGN_STK_$align(uint8_t, var, 1, [2][3][4]) */ +#define ALIGN_STK_64(type, var, sz1d, sznd) \ + ALIGN(type var[sz1d]sznd, ALIGN_64_VAL) #define ALIGN_STK_32(type, var, sz1d, sznd) \ ALIGN(type var[sz1d]sznd, ALIGN_32_VAL) -// as long as stack is itself 16-byte aligned, this works (win64, gcc) #define ALIGN_STK_16(type, var, sz1d, sznd) \ ALIGN(type var[sz1d]sznd, ALIGN_16_VAL) |