From: Jeffrey A Law <law@cygnus.com>
Date: Fri, 29 May 1998 01:01:21 +0000 (+0000)
Subject: jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER of a non-note insn.
X-Git-Tag: prereleases/egcs-1.1-prerelease~1021
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c71407f935c633b9d092349ad14ee0df473a34f9;p=thirdparty%2Fgcc.git

jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER of a non-note insn.

        * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
        of a non-note insn.

From-SVN: r20135
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 85dad03ca407..fa6c161976f5 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 Fri May 29 01:48:25 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
+	of a non-note insn.
+
 	* gcse.c (pre_delete): Fix code to determine the mode of
 	the reaching pseudo register.
 
diff --git a/gcc/jump.c b/gcc/jump.c
index 301381c40d9b..d5e33966a881 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -4526,6 +4526,7 @@ thread_jumps (f, max_reg, flag_before_loop)
 			  rtx prev = PREV_INSN (new_label);
 
 			  if (flag_before_loop
+			      && GET_CODE (prev) == NOTE
 			      && NOTE_LINE_NUMBER (prev) == NOTE_INSN_LOOP_BEG)
 			    {
 			      /* Don't thread to the loop label.  If a loop