gnu/dist/gcc4/gcc/testsuite/gcc.target/i386/pr13685.c

   1 /* PR target/13685 */
   2 /* { dg-do run } */
   3 /* { dg-options "-Os -msse" } */
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <xmmintrin.h>
   7 #include "../../gcc.dg/i386-cpuid.h"
   8
   9 void foo (__m128 *, __m64 *, int);
  10
  11 __m128 xmm0 = { 0 };
  12 __m64 mm0 = { 0 };
  13
  14 int
  15 main ()
  16 {
  17   unsigned long cpu_facilities = i386_cpuid ();
  18
  19   if ((cpu_facilities & (bit_MMX | bit_SSE | bit_CMOV))
  20       != (bit_MMX | bit_SSE | bit_CMOV))
  21     /* If host has no SSE support, pass.  */
  22     return 0;
  23
  24   foo (&xmm0, &mm0, 4);
  25   return 0;
  26 }
  27
  28 void
  29 foo (__m128 *dst, __m64 *src, int n)
  30 {
  31   __m128 xmm0 = { 0 };
  32   while (n > 64)
  33     {
  34       puts ("");
  35       xmm0 = _mm_cvtpi32_ps (xmm0, *src);
  36       *dst = xmm0;
  37       n--;
  38     }
  39 }