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

	* 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

gcc/ChangeLog

+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

gcc/reload1.c

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

gcc/testsuite/ChangeLog

+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

gcc/testsuite/gcc.dg/20090922-1.c

+/* { 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;
+    }
+}