From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 21 Nov 2001 00:50:56 +0000 (+0000)
Subject:         * unroll.c (copy_loop_body): Update LABEL_NUSES for the
X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=0b97e93b472d6b86926d8d9c4e1414df557c3959

    * unroll.c (copy_loop_body): Update LABEL_NUSES for the
        exit label as necessary.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47227 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a4eea6c6cda..57c1677c6a9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-11-20  Jeff Law <law@redhat.com>
+
+	* unroll.c (copy_loop_body): Update LABEL_NUSES for the
+	exit label as necessary.
+
 2001-11-20  Brad Kaiser  <bkaiser@acelink.net>
  
 	* reload1.c (elimination_effects): Use function_invariant_p
diff --git a/gcc/unroll.c b/gcc/unroll.c
index 5d9f18e34a1..4b7dd974925 100644
--- a/gcc/unroll.c
+++ b/gcc/unroll.c
@@ -2075,6 +2075,7 @@ copy_loop_body (loop, copy_start, copy_end, map, exit_label, last_iteration,
 		     that.  */
 		  jmp = emit_jump_insn_after (gen_jump (exit_label), copy);
 		  JUMP_LABEL (jmp) = exit_label;
+		  LABEL_NUSES (exit_label)++;
 		  jmp = emit_barrier_after (jmp);
 		  emit_label_after (lab, jmp);
 		  LABEL_NUSES (lab) = 0;