gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump.

* gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump. From-SVN: r47183

gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump.
* gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump. From-SVN: r47183
419fef71 · Jeff Law · 3293c3e3 · 419fef71 · 419fef71
Commit 419fef71 authored Nov 19, 2001 by Jeff Law
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gcc/ChangeLog
+6 -1

gcc/gcse.c
+4 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
-2001-11-19  Neil Booth  <neil@daikokuya.demon.co.uk>
+2001-11-19  Jeff Law <law@redhat.com>
+
+	* gcse.c (cprop_jump): Clear JUMP_LABEL field when we create
+	a nop-jump.
+
+2000-11-19  Neil Booth  <neil@daikokuya.demon.co.uk>

 	* cppmacro.c (_cpp_backup_tokens): Revert previous check-in.
 	Don't fall off the base token run.

--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -4043,7 +4043,10 @@ cprop_jump (bb, insn, from, src)
      SET_SRC (set) = new;

      if (JUMP_LABEL (insn) != 0)
-	--LABEL_NUSES (JUMP_LABEL (insn));
+	{
+	  --LABEL_NUSES (JUMP_LABEL (insn));
+	  JUMP_LABEL (insn) = NULL_RTX;
+	}
    }

  /* Otherwise, this must be a valid instruction.  */