Blame sysdeps/x86_64/tst-audit6.c

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/* Test case for x86-64 preserved registers in dynamic linker.  */
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#include <stdlib.h>
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#include <string.h>
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#include <cpuid.h>
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#include <emmintrin.h>
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extern __m128i audit_test (__m128i, __m128i, __m128i, __m128i,
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			   __m128i, __m128i, __m128i, __m128i);
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static int
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avx_enabled (void)
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{
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  unsigned int eax, ebx, ecx, edx;
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  if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
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      || (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE))
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    return 0;
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  /* Check the OS has AVX and SSE saving enabled.  */
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  asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
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  return (eax & 6) == 6;
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}
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static int
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do_test (void)
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{
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  /* Run AVX test only if AVX is supported.  */
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  if (avx_enabled ())
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    {
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      __m128i xmm = _mm_setzero_si128 ();
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      __m128i ret = audit_test (xmm, xmm, xmm, xmm, xmm, xmm, xmm, xmm);
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      xmm = _mm_set1_epi32 (0x98abcdef);
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      if (memcmp (&xmm, &ret, sizeof (ret)))
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	abort ();
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    }
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  return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../../test-skeleton.c"