gcc/testsuite/gcc.target/i386/sse-20.c

   1 /* PR target/13685 */
   2 /* { dg-options "-Os -msse" } */
   3 /* { dg-require-effective-target sse } */
   4
   5 typedef float __m128 __attribute__ ((vector_size (16)));
   6 typedef int __m64 __attribute__ ((vector_size (8)));
   7
   8 int puts (const char *s);
   9 void foo (__m128 *, __m64 *, int);
  10
  11 int main (void)
  12 {
  13   foo (0, 0, 0);
  14   return 0;
  15 }
  16
  17 void foo (__m128 *dst, __m64 *src, int n)
  18 {
  19   __m128 xmm0 = { 0 };
  20   while (n > 64)
  21     {
  22       puts ("");
  23       xmm0 = __builtin_ia32_cvtpi2ps (xmm0, *src);
  24       *dst = xmm0;
  25       n --;
  26     }
  27 }