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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [i386/] [isa-check.h] - Blame information for rev 318

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Line No. Rev Author Line
1 318 jeremybenn
#include "cpuid.h"
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extern void exit (int) __attribute__((noreturn));
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/* Determine what instruction set we've been compiled for,
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   and detect that we're running with it.  */
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static void __attribute__((constructor))
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check_isa (void)
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{
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  int a, b, c, d;
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  int c1, d1, c1e, d1e;
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  c1 = d1 = c1e = d1e = 0;
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#ifdef __MMX__
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  d1 |= bit_MMX;
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#endif
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#ifdef __3dNOW__
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  d1e |= bit_3DNOW;
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#endif
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#ifdef __3dNOW_A__
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  d1e |= bit_3DNOWP;
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#endif
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#ifdef __SSE__
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  d1 |= bit_SSE;
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#endif
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#ifdef __SSE2__
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  d1 |= bit_SSE2;
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#endif
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#ifdef __SSE3__
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  c1 |= bit_SSE3;
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#endif
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#ifdef __SSSE3__
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  c1 |= bit_SSSE3;
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#endif
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#ifdef __SSE4_1__
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  c1 |= bit_SSE4_1;
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#endif
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#ifdef __SSE4_2__
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  c1 |= bit_SSE4_2;
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#endif
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#ifdef __AES__
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  c1 |= bit_AES;
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#endif
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#ifdef __PCLMUL__
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  c1 |= bit_PCLMUL;
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#endif
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#ifdef __AVX__
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  c1 |= bit_AVX;
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#endif
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#ifdef __FMA__
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  c1 |= bit_FMA;
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#endif
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#ifdef __SSE4A__
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  c1e |= bit_SSE4a;
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#endif
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#ifdef __FMA4__
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  c1e |= bit_FMA4;
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#endif
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#ifdef __XOP__
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  c1e |= bit_XOP;
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#endif
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#ifdef __LWP__
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  c1e |= bit_LWP;
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#endif
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  if (c1 | d1)
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    {
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      if (!__get_cpuid (1, &a, &b, &c, &d))
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        goto fail;
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      if ((c & c1) != c1 || (d & d1) != d1)
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        goto fail;
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    }
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  if (c1e | d1e)
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    {
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      if (!__get_cpuid (0x80000001, &a, &b, &c, &d))
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        goto fail;
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      if ((c & c1e) != c1e || (d & d1e) != d1e)
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        goto fail;
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    }
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  return;
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 fail:
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  exit (0);
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}

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