/* PR optimization/11381 */ | |
/* Originator: <tobias@ringstrom.mine.nu> */ | |
/* { dg-do compile { target i?86-*-* } } */ | |
/* { dg-options "-O" } */ | |
/* Verify that the comparison is not optimized away. */ | |
void foo(volatile unsigned int *vaddr) | |
{ | |
while (*vaddr != *vaddr) | |
; | |
} | |
/* { dg-final { scan-assembler "cmp" } } */ |