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re PR target/15569 (Gcc 3.4.1 failed to build ia64 2.6.6 kernel)

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PR target/15569
	PR rtl-optimization/15681
	* gcc.dg/20040609-1.c: New test.

From-SVN: r82908
This commit is contained in:
Jakub Jelinek 2004-06-10 10:43:16 +02:00 • committed by Jakub Jelinek
parent 897105a14e
commit ba20a3eb09
2 changed files with 79 additions and 0 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2004-06-10 Jakub Jelinek <jakub@redhat.com>
PR target/15569
PR rtl-optimization/15681
* gcc.dg/20040609-1.c: New test.
2004-06-10 Jakub Jelinek <jakub@redhat.com>
PR c++/14791

73
gcc/testsuite/gcc.dg/20040609-1.c Normal file
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@ -0,0 +1,73 @@
/* PRs target/15569, rtl-optimization/15681 */
/* { dg-do compile } */
/* { dg-options "-Os -frename-registers" } */
/* { dg-options "-mconstant-gp -Os -frename-registers" { target ia64-*-* } } */
struct S { struct S *a, *b; };
struct T { struct S e; unsigned long a; int b, c; void *d; } f;
unsigned long f1 (unsigned long);
void f2 (int, struct T *);
void *f3 (void *);
unsigned long volatile g;
static void
f4 (struct T *p)
{
f1 (f1 (((unsigned long) g - p->a) >> 20));
}
static struct T *
f5 (void)
{
struct T *g, *p;
struct T *q = 0;
for (g = p = &f; (g = p = (struct T *) (g->e.a)) != &f;)
if (p->b)
{
f4 (p);
if (p->c & 0x80000)
return p;
}
return q;
}
static void
f6 (struct T *p)
{
f2 (9, p);
}
static inline void *
f7 (struct T *t)
{
void *d;
d = t->d;
if (d)
d = f3 (d);
return d;
}
static void *
f8 (struct T *p)
{
void *d = f7 (p);
if (!d)
return 0;
f6 (p);
return d;
}
static void
f9 (void)
{
struct T *p;
p = f5 ();
f8 (p);
}
void
test (void)
{
f9 ();
}