* gcc.c-torture/execute/pr15296.c: New test.
From-SVN: r81599
This commit is contained in:
parent
9acf97b6e8
commit
57408b4584
|
@ -1,3 +1,7 @@
|
|||
2004-05-07 Hans-Peter Nilsson <hp@axis.com>
|
||||
|
||||
* gcc.c-torture/execute/pr15296.c: New test.
|
||||
|
||||
2004-05-05 Uros Bizjak <uros@kss-loka.si>
|
||||
|
||||
* gcc.dg/builtins-40.c: New test.
|
||||
|
|
|
@ -0,0 +1,73 @@
|
|||
/* PR optimization/15296. The delayed-branch scheduler caused code that
|
||||
SEGV:d for CRIS; a register was set to -1 in a delay-slot for the
|
||||
fall-through code, while that register held a pointer used in code at
|
||||
the branch target. */
|
||||
|
||||
typedef int __attribute__ ((mode (__pointer__))) intptr_t;
|
||||
typedef intptr_t W;
|
||||
union u0
|
||||
{
|
||||
union u0 *r;
|
||||
W i;
|
||||
};
|
||||
struct s1
|
||||
{
|
||||
union u0 **m0;
|
||||
union u0 m1[4];
|
||||
};
|
||||
|
||||
void f (void *, struct s1 *, const union u0 *, W, W, W)
|
||||
__attribute__ ((__noinline__));
|
||||
void g (void *, char *) __attribute__ ((__noinline__));
|
||||
|
||||
void
|
||||
f (void *a, struct s1 *b, const union u0 *h, W v0, W v1, W v4)
|
||||
{
|
||||
union u0 *e = 0;
|
||||
union u0 *k = 0;
|
||||
union u0 **v5 = b->m0;
|
||||
union u0 *c = b->m1;
|
||||
union u0 **d = &v5[0];
|
||||
l0:;
|
||||
if (v0 < v1)
|
||||
goto l0;
|
||||
if (v0 == 0)
|
||||
goto l3;
|
||||
v0 = v4;
|
||||
if (v0 != 0)
|
||||
goto l3;
|
||||
c[0].r = *d;
|
||||
v1 = -1;
|
||||
e = c[0].r;
|
||||
if (e != 0)
|
||||
g (a, "");
|
||||
k = e + 3;
|
||||
k->i = v1;
|
||||
goto l4;
|
||||
l3:;
|
||||
c[0].i = v0;
|
||||
e = c[1].r;
|
||||
if (e != 0)
|
||||
g (a, "");
|
||||
e = c[0].r;
|
||||
if (e == 0)
|
||||
g (a, "");
|
||||
k = e + 2;
|
||||
k->r = c[1].r;
|
||||
l4:;
|
||||
}
|
||||
|
||||
void g (void *a, char *b) { abort (); }
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
union u0 uv[] = {{ .i = 111 }, { .i = 222 }, { .i = 333 }, { .i = 444 }};
|
||||
struct s1 s = { 0, {{ .i = 555 }, { .i = 0 }, { .i = 999 }, { .i = 777 }}};
|
||||
f (0, &s, 0, 20000, 10000, (W) uv);
|
||||
if (s.m1[0].i != (W) uv || s.m1[1].i != 0 || s.m1[2].i != 999
|
||||
|| s.m1[3].i != 777 || uv[0].i != 111 || uv[1].i != 222
|
||||
|| uv[2].i != 0 || uv[3].i != 444)
|
||||
abort ();
|
||||
exit (0);
|
||||
}
|
Loading…
Reference in New Issue