gcc/testsuite/gcc.dg/i386-sse-10.c

   1 /* PR 17930 */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O1 -msse2 -mfpmath=sse -mno-accumulate-outgoing-args" } */
   4
   5 #include "i386-cpuid.h"
   6
   7 typedef _Complex double complex_16;
   8
   9 void NOINLINE
  10 test (complex_16 a[5][5])
  11 {
  12   int i, j, k;
  13   complex_16 x;
  14
  15   for (j = 0; j < 5; j++)
  16     for (i = 0; i < 5; i++)
  17       {
  18         for (k = 0; k < j - 1; ++k)
  19           x = a[k][i] * ~a[k][j];
  20         a[j][i] = x;
  21       }
  22 }
  23
  24 int main()
  25 {
  26   static complex_16 work[5][5];
  27   unsigned long cpu_facilities;
  28
  29   cpu_facilities = i386_cpuid ();
  30   if (cpu_facilities & bit_SSE2)
  31     test (work);
  32
  33   return 0;
  34 }