| INCLUDE(CheckCSourceCompiles) |
| INCLUDE(CMakePushCheckState) |
| |
| FUNCTION (CHECK_FUSION_PREREQUISITES) |
| MESSAGE(STATUS "Detecting fusion support") |
| |
| CMAKE_PUSH_CHECK_STATE() |
| SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -mavx2 -maes -mpclmul -mvaes -mvpclmulqdq") |
| CHECK_C_SOURCE_COMPILES(" |
| #include <emmintrin.h> |
| #include <immintrin.h> |
| int main(void) { |
| __m256i ord0, ord1, ord2, ord3 = _mm256_setzero_si256(); |
| ord0 = _mm256_aesenc_epi128(ord1, ord2); |
| ord3 = _mm256_aesenclast_epi128(ord0, ord1); |
| ord1 = _mm256_clmulepi64_epi128(ord3, ord2, 0x00); |
| _mm_insert_epi64(_mm_setr_epi32(0, 1, 2, 3), 0, 0); |
| return 0; |
| } |
| " CC_HAS_AESNI256) |
| CMAKE_POP_CHECK_STATE() |
| |
| IF (CC_HAS_AESNI256) |
| MESSAGE(STATUS "Can use fusion") |
| SET(WITH_FUSION_DEFAULT "ON" PARENT_SCOPE) |
| ELSE () |
| MESSAGE(STATUS "Cannot use fusion") |
| SET(WITH_FUSION_DEFAULT "OFF" PARENT_SCOPE) |
| ENDIF () |
| ENDFUNCTION () |
