/* { dg-do assemble } */ | |
/* { dg-skip-if "" { pdp11-*-* } { "-O0" } { "" } } */ | |
/* PR optimization/5892 */ | |
typedef struct { unsigned long a; unsigned int b, c; } A; | |
typedef struct { unsigned long a; A *b; int c; } B; | |
static inline unsigned int | |
bar (unsigned int x) | |
{ | |
unsigned long r; | |
asm ("" : "=r" (r) : "0" (x)); | |
return r >> 31; | |
} | |
int foo (B *x) | |
{ | |
A *y; | |
y = x->b; | |
y->b = bar (x->c); | |
y->c = ({ unsigned int z = 1; (z << 24) | (z >> 24); }); | |
} |