From: Jeff Law <law@gcc.gnu.org>
Date: Mon, 19 Nov 2001 21:51:53 +0000 (-0700)
Subject: gcse.c (cprop_jump): Clear JUMP_LABEL field when we create a nop-jump.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=419fef71cbe7c562b50e1561a2ea250996d7785b;p=gcc.git

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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c909c1cf61f..58d47b0ab71 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,9 @@
-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.
diff --git a/gcc/gcse.c b/gcc/gcse.c
index a69ed834571..882835ba3c6 100644
--- 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.  */