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/* PR middle-end/27959 */
/* { dg-do run { target { stdint_types } } } */
/* { dg-options "-O2" } */
/* { dg-options "-O2 -mtune=z990" { target s390*-*-* } } */
#include <stdint.h>
extern void abort (void);
struct B
{
unsigned int b1, b2, b3;
char b4;
};
struct C
{
char c1;
};
struct D
{
char *d1;
struct C **d2;
unsigned int d3;
};
void
__attribute__((noinline))
foo (void *x, struct B *y, unsigned int *z)
{
if (x)
abort ();
if (y->b1 != 7 || y->b2 != 5 || y->b3 != 3 || y->b4)
abort ();
if (*z != 2)
abort ();
}
int
__attribute__((noinline))
baz (unsigned int *x, unsigned int y)
{
asm volatile ("" : : "r" (&x), "r" (&y) : "memory");
return *x + y;
}
inline int bar (unsigned int *x, unsigned int y)
{
if (y < *x)
return 0;
return baz (x, y);
}
unsigned int *
__attribute__((noinline))
test (struct D *x, unsigned int *y)
{
struct B b;
uint32_t c;
bar (y, x->d3);
if ((*(x->d2))->c1)
c = ((uint32_t) x->d1[0]
+ ((uint32_t) x->d1[1] << 8)
+ ((uint32_t) x->d1[2] << 16)
+ ((uint32_t) x->d1[3] << 24));
else
{
int32_t d;
((char *) &d)[0] = x->d1[0];
((char *) &d)[1] = x->d1[1];
((char *) &d)[2] = x->d1[2];
((char *) &d)[3] = x->d1[3];
c = d;
}
b.b4 = 0;
b.b1 = c / 10000L % 10000;
b.b2 = c / 100 % 100;
b.b3 = c % 100;
foo (0, &b, y);
return y;
}
int
main (void)
{
uint32_t x = 900070503;
unsigned int y = 2;
struct C c = { 0 }, *cptr = &c;
struct D d = { (char *) &x, &cptr, 0 };
if (test (&d, &y) != &y)
abort ();
return 0;
}
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