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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.target/] [i386/] [volatile-1.c] - Rev 149

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/* PR optimization/11381 */
/* Originator: <tobias@ringstrom.mine.nu> */
/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { 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" } } */
 

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