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 /* { dg-skip-if "" { i?86-*-* } { "-m64" } { "" } } */
   6
   7 float foo (float *a, int i)
   8 {
   9   int j;
  10   float x = a[j = i - 1], y;
  11
  12   for (j = i; --j >= 0; )
  13     if ((y = a[j]) > x)
  14       x = y;
  15
  16   return x;
  17 }