diff options
Diffstat (limited to 'cipher/poly1305-internal.h')
| -rw-r--r-- | cipher/poly1305-internal.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/cipher/poly1305-internal.h b/cipher/poly1305-internal.h index fa3fe75e..0299c430 100644 --- a/cipher/poly1305-internal.h +++ b/cipher/poly1305-internal.h @@ -54,23 +54,40 @@ #endif +/* POLY1305_USE_AVX2 indicates whether to compile with AMD64 AVX2 code. */ +#undef POLY1305_USE_AVX2 +#if defined(__x86_64__) && defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) && \ + defined(ENABLE_AVX2_SUPPORT) +# define POLY1305_USE_AVX2 1 +# define POLY1305_AVX2_BLOCKSIZE 64 +# define POLY1305_AVX2_STATESIZE 328 +# define POLY1305_AVX2_ALIGNMENT 32 +#endif + + /* Largest block-size used in any implementation (optimized implementations * might use block-size multiple of 16). */ -#ifdef POLY1305_USE_SSE2 +#ifdef POLY1305_USE_AVX2 +# define POLY1305_LARGEST_BLOCKSIZE POLY1305_AVX2_BLOCKSIZE +#elif defined(POLY1305_USE_SSE2) # define POLY1305_LARGEST_BLOCKSIZE POLY1305_SSE2_BLOCKSIZE #else # define POLY1305_LARGEST_BLOCKSIZE POLY1305_REF_BLOCKSIZE #endif /* Largest state-size used in any implementation. */ -#ifdef POLY1305_USE_SSE2 +#ifdef POLY1305_USE_AVX2 +# define POLY1305_LARGEST_STATESIZE POLY1305_AVX2_STATESIZE +#elif defined(POLY1305_USE_SSE2) # define POLY1305_LARGEST_STATESIZE POLY1305_SSE2_STATESIZE #else # define POLY1305_LARGEST_STATESIZE POLY1305_REF_STATESIZE #endif /* Minimum alignment for state pointer passed to implementations. */ -#ifdef POLY1305_USE_SSE2 +#ifdef POLY1305_USE_AVX2 +# define POLY1305_STATE_ALIGNMENT POLY1305_AVX2_ALIGNMENT +#elif defined(POLY1305_USE_SSE2) # define POLY1305_STATE_ALIGNMENT POLY1305_SSE2_ALIGNMENT #else # define POLY1305_STATE_ALIGNMENT POLY1305_REF_ALIGNMENT |