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

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
c71407f9 · Jeffrey A Law · Jeff Law · d3903c22 · c71407f9 · c71407f9
Commit c71407f9 authored May 29, 1998 by Jeffrey A Law Committed by Jeff Law May 28, 1998
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gcc/ChangeLog
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gcc/jump.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
 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.


--- 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