| 1 | /* Test case for x86-64 preserved registers in dynamic linker. */ |
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| 2 | |
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| 3 | #include <stdlib.h> |
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| 4 | #include <string.h> |
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| 5 | #include <cpuid.h> |
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| 6 | #include <emmintrin.h> |
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| 7 | |
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| 8 | extern __m128i audit_test (__m128i, __m128i, __m128i, __m128i, |
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| 9 | __m128i, __m128i, __m128i, __m128i); |
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| 10 | |
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| 11 | |
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| 12 | static int |
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| 13 | avx_enabled (void) |
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| 14 | { |
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| 15 | unsigned int eax, ebx, ecx, edx; |
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| 16 | |
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| 17 | if (__get_cpuid (leaf: 1, eax: &eax, ebx: &ebx, ecx: &ecx, edx: &edx) == 0 |
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| 18 | || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE)) |
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| 19 | return 0; |
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| 20 | |
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| 21 | /* Check the OS has AVX and SSE saving enabled. */ |
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| 22 | asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0)); |
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| 23 | |
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| 24 | return (eax & 6) == 6; |
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| 25 | } |
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| 26 | |
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| 27 | |
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| 28 | static int |
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| 29 | do_test (void) |
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| 30 | { |
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| 31 | /* Run AVX test only if AVX is supported. */ |
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| 32 | if (avx_enabled ()) |
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| 33 | { |
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| 34 | __m128i xmm = _mm_setzero_si128 (); |
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| 35 | __m128i ret = audit_test (xmm, xmm, xmm, xmm, xmm, xmm, xmm, xmm); |
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| 36 | |
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| 37 | xmm = _mm_set1_epi32 (i: 0x98abcdef); |
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| 38 | if (memcmp (&xmm, &ret, sizeof (ret))) |
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| 39 | abort (); |
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| 40 | } |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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| 44 | #define TEST_FUNCTION do_test () |
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| 45 | #include "../../test-skeleton.c" |
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| 46 | |
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