tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove any user labels.

* tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove any user labels. From-SVN: r181040

tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove any user labels.
* tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove any user labels. From-SVN: r181040
4a7ab00c · Jakub Jelinek · Jakub Jelinek · 5e490f2a · 4a7ab00c · 4a7ab00c
Commit 4a7ab00c authored Nov 06, 2011 by Jakub Jelinek Committed by Jakub Jelinek Nov 06, 2011
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gcc/ChangeLog
+5 -0

gcc/tree-cfg.c
+2 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2011-11-06  Jakub Jelinek  <jakub@redhat.com>
+
+	* tree-cfg.c (gimple_can_merge_blocks_p): For -O0 don't remove
+	any user labels.
+
 2011-11-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

 	* config/pa/pa.c (pa_hpux_init_libfuncs): Rename to pa_init_libfuncs.
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -1454,8 +1454,8 @@ gimple_can_merge_blocks_p (basic_block a, basic_block b)
 	break;
      lab = gimple_label_label (stmt);

-      /* Do not remove user forced labels.  */
-      if (!DECL_ARTIFICIAL (lab) && FORCED_LABEL (lab))
+      /* Do not remove user forced labels or for -O0 any user labels.  */
+      if (!DECL_ARTIFICIAL (lab) && (!optimize || FORCED_LABEL (lab)))
 	return false;
    }