re PR bootstrap/41241 (bootstrap comparison failure)

	PR bootstrap/41241
	* combine-stack-adj.c (struct csa_memlist): Rename to...
	(struct csa_reflist): ... this.  Rename mem field to ref.
	(free_csa_memlist): Rename to...
	(free_csa_reflist): ... this.
	(record_one_stack_memref): Rename to...
	(record_one_stack_ref): ... this.  Handle also REG_P.
	(try_apply_stack_adjustment): Handle also REG_P.
	(struct record_stack_memrefs_data): Rename to...
	(struct record_stack_refs_data): ... this.  Rename memlist field to
	reflist.
	(record_stack_memrefs): Rename to...
	(record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
	subexpressions instead of failing when a MEM contains SP references.
	For SP itself in DEBUG_INSNs queue it also onto reflist chain.
	(combine_stack_adjustments_for_block): Adjust for mem to ref renaming.

	* gcc.dg/pr41241.c: New test.

From-SVN: r151462

gcc/ChangeLog

+2009-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/41241
+	* combine-stack-adj.c (struct csa_memlist): Rename to...
+	(struct csa_reflist): ... this.  Rename mem field to ref.
+	(free_csa_memlist): Rename to...
+	(free_csa_reflist): ... this.
+	(record_one_stack_memref): Rename to...
+	(record_one_stack_ref): ... this.  Handle also REG_P.
+	(try_apply_stack_adjustment): Handle also REG_P.
+	(struct record_stack_memrefs_data): Rename to...
+	(struct record_stack_refs_data): ... this.  Rename memlist field to
+	reflist.
+	(record_stack_memrefs): Rename to...
+	(record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
+	subexpressions instead of failing when a MEM contains SP references.
+	For SP itself in DEBUG_INSNs queue it also onto reflist chain.
+	(combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
+
 2009-09-06  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/41144

gcc/testsuite/ChangeLog

+2009-09-06  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/41241
+	* gcc.dg/pr41241.c: New test.
+
 2009-09-06  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/41144

gcc/testsuite/gcc.dg/pr41241.c

+/* PR bootstrap/41241 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug -g" } */
+/* { dg-options "-O2 -fcompare-debug -g -march=i586 -mtune=i586 -fomit-frame-pointer" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
+
+typedef struct { int t1; int t2; int t3; } *T;
+typedef struct { int s; } S;
+
+int fn1 (int);
+int fn2 (int, int, int);
+int fn3 (void);
+
+static S
+bar ()
+{
+  S s = { 0 };
+  return s;
+}
+
+void
+foo (T x)
+{
+  int a, b, c, d, e;
+  T f, g;
+  S h;
+  a = x->t2;
+  fn1 (x->t1);
+  h = bar (b);
+  c = fn1 (e);
+  d = fn3 ();
+  f->t3 &= g->t3 |= fn2 (0, b, x->t1);
+  fn2 (0, c, d);
+  fn2 (0, e, 0);
+}