/* PR opt/6722 */ | |
/* { dg-do run } */ | |
/* { dg-options "-O2" } */ | |
#if !__PIC__ | |
register int k asm("%ebx"); | |
#elif __amd64 | |
register int k asm("%r12"); | |
#else | |
register int k asm("%esi"); | |
#endif | |
void __attribute__((noinline)) | |
foo() | |
{ | |
k = 1; | |
} | |
void test() | |
{ | |
int i; | |
for (i = 0; i < 10; i += k) | |
{ | |
k = 0; | |
foo(); | |
} | |
} | |
int main() | |
{ | |
int old = k; | |
test(); | |
k = old; | |
return 0; | |
} |