gcc/testsuite/gcc.target/i386/20040112-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-final { scan-assembler "testb" } } */
   4 void
   5 ftn (char *sp)
   6 {
   7   char status;
   8
   9   while (1)
  10     {
  11       *sp = 0xE8;
  12       status = *(volatile char *) sp;
  13       if (status & 0x80)
  14         break;
  15     }
  16 }