gcc/testsuite/gcc.dg/20030204-1.c

   1 /* PR optimization/8555 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O -ffast-math -funroll-loops" } */
   4 /* { dg-options "-march=pentium3 -O -ffast-math -funroll-loops" { target i?86-*-* } } */
   5
   6 float foo (float *a, int i)
   7 {
   8   int j;
   9   float x = a[j = i - 1], y;
  10
  11   for (j = i; --j >= 0; )
  12     if ((y = a[j]) > x)
  13       x = y;
  14
  15   return x;
  16 }