rt_gccstream/gcc/testsuite/gcc.c-torture/compile/20020312-1.c

25 lines
567 B
C

/* This does not compile on HC11/HC12 due to the asm which requires
two 32-bit registers. */
/* { dg-do assemble } */
/* { dg-xfail-if "" { m6811-*-* m6812-*-* } { "*" } { "" } } */
/* 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); });
}