/* PR tree-optimization/50078 */ | |
/* { dg-do compile } */ | |
/* { dg-options "-O2" } */ | |
unsigned nonvolvar[2]; | |
void | |
test (int arg) | |
{ | |
unsigned v = *(volatile unsigned *) (&nonvolvar[arg]); | |
*(volatile unsigned *) (&nonvolvar[arg]) = v; | |
} | |
/* { dg-final { scan-assembler-times "movl\[^\n\r\]*nonvolvar" 2 { target { { i?86-*-* x86_64-*-* } && nonpic } } } } */ |