From: Jan Hubicka <jh@suse.cz>
Date: Sun, 2 Sep 2001 16:38:46 +0000 (+0200)
Subject: * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
X-Git-Tag: prereleases/libstdc++-3.0.95~2288
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c4992b02aec3b5f25114e7352342df9fafe7cf5;p=thirdparty%2Fgcc.git

* reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.

From-SVN: r45358
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 260f09facada..6fb448bb723b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Sun Sep  2 18:37:54 CEST 2001  Jan Hubicka  <jh@suse.cz>
+
+	* reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
+
 2001-09-01  Geoffrey Keating  <geoffk@redhat.com>
 
 	* expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
diff --git a/gcc/reload1.c b/gcc/reload1.c
index bf66c00c51c4..c4059810b049 100644
--- a/gcc/reload1.c
+++ b/gcc/reload1.c
@@ -9497,7 +9497,7 @@ fixup_abnormal_edges ()
 	}
       if (e && GET_CODE (bb->end) != CALL_INSN && !can_throw_internal (bb->end))
 	{
-	  rtx insn = bb->end;
+	  rtx insn = bb->end, stop = NEXT_INSN (bb->end);
 	  rtx next;
 	  for (e = bb->succ; e; e = e->succ_next)
 	    if (e->flags & EDGE_FALLTHRU)
@@ -9513,11 +9513,14 @@ fixup_abnormal_edges ()
 	  bb->end = insn;
 	  inserted = true;
 	  insn = NEXT_INSN (insn);
-	  while (insn && GET_CODE (insn) == INSN)
+	  while (insn && insn != stop)
 	    {
 	      next = NEXT_INSN (insn);
-	      insert_insn_on_edge (PATTERN (insn), e);
-	      flow_delete_insn (insn);
+	      if (INSN_P (insn))
+		{
+	          insert_insn_on_edge (PATTERN (insn), e);
+	          flow_delete_insn (insn);
+		}
 	      insn = next;
 	    }
 	}