diff options
author | Joseph Myers <joseph@codesourcery.com> | 2013-04-25 19:23:11 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2013-04-25 19:23:11 +0000 |
commit | 73709b2611f29d73dbe31de70cc775f27e2650aa (patch) | |
tree | 5f595a317a8ab67105c350a55c78c8d94f4b49d0 /sysdeps/x86_64/tst-audit4.c | |
parent | 1ef74943ce2f114c78b215af57c2ccc72ccdb0b7 (diff) |
Move x86_64-specific audit tests to sysdeps/x86_64/.
Diffstat (limited to 'sysdeps/x86_64/tst-audit4.c')
-rw-r--r-- | sysdeps/x86_64/tst-audit4.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tst-audit4.c b/sysdeps/x86_64/tst-audit4.c new file mode 100644 index 0000000000..c4f1d5bdb9 --- /dev/null +++ b/sysdeps/x86_64/tst-audit4.c @@ -0,0 +1,49 @@ +/* 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 |