// +build amd64 package sha256 // #cgo CFLAGS: -DHAS_SSE41 -DHAS_AVX -DHAS_AVX2 // #include // void sha256_transform_ssse3 (const char *input_data, uint32_t *digest, unsigned long num_blks); // void sha256_transform_avx (const char *input_data, uint32_t *digest, unsigned long num_blks); // void sha256_transform_rorx (const char *input_data, uint32_t *digest, unsigned long num_blks); import "C" import "unsafe" func blockSSE(dig *digest, p []byte) { C.sha256_transform_ssse3((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64)) } func blockAVX(dig *digest, p []byte) { C.sha256_transform_avx((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64)) } func blockAVX2(dig *digest, p []byte) { C.sha256_transform_rorx((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64)) }