old-autovect-branch/gcc/testsuite/gcc.target/i386/20020616-1.c

   1 /* PR opt/6722 */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-options "-O2" } */
   4
   5 register int k asm("%ebx");
   6
   7 void __attribute__((noinline))
   8 foo()
   9 {
  10   k = 1;
  11 }
  12
  13 void test()
  14 {
  15   int i;
  16   for (i = 0; i < 10; i += k)
  17     {
  18       k = 0;
  19       foo();
  20     }
  21 }
  22
  23 int main()
  24 {
  25   int old = k;
  26   test();
  27   k = old;
  28   return 0;
  29 }