| /* Test case for x86-64 preserved registers in dynamic linker. */ |
| |
| #ifdef __AVX__ |
| #include <stdlib.h> |
| #include <string.h> |
| #include <cpuid.h> |
| #include <immintrin.h> |
| |
| |
| static int |
| avx_enabled (void) |
| { |
| unsigned int eax, ebx, ecx, edx; |
| |
| if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0 |
| || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE)) |
| return 0; |
| |
| /* Check the OS has AVX and SSE saving enabled. */ |
| asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0)); |
| |
| return (eax & 6) == 6; |
| } |
| |
| |
| extern __m256i audit_test (__m256i, __m256i, __m256i, __m256i, |
| __m256i, __m256i, __m256i, __m256i); |
| int |
| main (void) |
| { |
| /* Run AVX test only if AVX is supported. */ |
| if (avx_enabled ()) |
| { |
| __m256i ymm = _mm256_setzero_si256 (); |
| __m256i ret = audit_test (ymm, ymm, ymm, ymm, ymm, ymm, ymm, ymm); |
| |
| ymm = _mm256_set1_epi32 (0x12349876); |
| if (memcmp (&ymm, &ret, sizeof (ret))) |
| abort (); |
| } |
| return 0; |
| } |
| #else |
| int |
| main (void) |
| { |
| return 0; |
| } |
| #endif |
