gcc/testsuite/gcc.dg/pr77621.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3" } */
   3 /* { dg-additional-options "-mtune=atom -msse2" { target i?86-*-* x86_64-*-* } } */
   4
   5 void
   6 foo (double *x, int *y)
   7 {
   8   int i;
   9   for (i = 0; i < 8; i++)
  10     x[i] -= y[i] * x[i + 1];
  11 }