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reload1.c (reload): Call wrap_constant when substituting reg for equiv inside of DEBUG_INSNs.

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* reload1.c (reload): Call wrap_constant when substituting
	reg for equiv inside of DEBUG_INSNs.

	* gcc.dg/20090922-1.c: New test.

From-SVN: r151976
This commit is contained in:
Jakub Jelinek 2009-09-22 14:52:20 +02:00 committed by Jakub Jelinek
parent db1cf15c83
commit 39dbcfc364
4 changed files with 75 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-09-22 Jakub Jelinek <jakub@redhat.com>
* reload1.c (reload): Call wrap_constant when substituting
reg for equiv inside of DEBUG_INSNs.
2009-09-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41428

1
gcc/reload1.c
View File

@ -1273,6 +1273,7 @@ reload (rtx first, int global)
SUBREG_BYTE (x));
else
gcc_unreachable ();
*loc = wrap_constant (GET_MODE (x), *loc);
}
}
}

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2009-09-22 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/20090922-1.c: New test.
2009-09-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41428

65
gcc/testsuite/gcc.dg/20090922-1.c Normal file
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@ -0,0 +1,65 @@
/* { dg-do compile } */
/* { dg-options "-O2 -g -funroll-loops -std=gnu99" } */
struct S
{
unsigned long s1;
int **s2;
};
struct T
{
unsigned long t1, t2;
};
struct U
{
int u1, u2;
unsigned long u3;
};
struct V
{
int v1, v3;
struct T *v2;
struct U *v4;
};
struct W
{
int w1;
struct V **w2;
};
struct S *foo1 (void);
int *foo2 (void);
void
test (struct W *w)
{
for (int i = 0; i < w->w1; i++)
{
struct V *v = w->w2[i];
struct S *t = foo1 ();
if (!t)
for (int j; j < v->v1;)
{
struct T *q = &v->v2[j];
t += (q->t2 - q->t1) * 45000L;
}
for (; v->v3;)
{
struct U *v4 = (struct U *) &v->v4;
if (v4->u1 && v4->u2 >= 0 && v4->u2)
{
int *s = foo2 ();
if (!s)
for (int k = 0; k <= v4->u2; k++)
{
struct T *q = &v->v2[k];
if (k == v4->u2)
v4->u3 += (q->t1) * 1000000;
}
t->s2[t->s1] = s;
}
}
int *s = foo2 ();
if (!t)
t->s2[t->s1] = s;
}
}