From: hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 5 Jul 2003 14:40:59 +0000 (+0000)
Subject: Sat Jul  5 16:18:53 CEST 2003  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=09fabb76ac90980cc9f873f85ee2ca5ab31e5acb;p=thirdparty%2Fgcc.git

Sat Jul  5 16:18:53 CEST 2003  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

	Blame to Jan Hubicka  <jh@suse.cz>
	* cfglayout.c (record_effective_endpoints): Split insns before
	first basic block correctly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@68973 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 04fa53e0bce3..bb80f8f2d5e9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Sat Jul  5 16:18:53 CEST 2003  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
+
+	Blame to Jan Hubicka  <jh@suse.cz>
+	* cfglayout.c (record_effective_endpoints): Split insns before
+	first basic block correctly.
+
 2003-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
 	* expr.c (expand_expr, case COMPONENT_REF): When seeing if should use 
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c
index 3a6b92500b6e..08d20e1357af 100644
--- a/gcc/cfglayout.c
+++ b/gcc/cfglayout.c
@@ -196,19 +196,16 @@ record_effective_endpoints (void)
   rtx insn;
 
   for (insn = get_insns ();
-       NEXT_INSN (insn) && GET_CODE (insn) == NOTE;
+       insn
+       && GET_CODE (insn) == NOTE
+       && NOTE_LINE_NUMBER (insn) != NOTE_INSN_BASIC_BLOCK;
        insn = NEXT_INSN (insn))
-    {
-      if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_BASIC_BLOCK)
-	{
-	  insn = NULL;
-	  break;
-	 }
-      if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_FUNCTION_BEG)
-	break;
-    }
-  if (insn)
-    cfg_layout_function_header = unlink_insn_chain (get_insns (), insn);
+    continue;
+  if (!insn)
+    abort ();  /* No basic blocks at all?  */
+  if (PREV_INSN (insn))
+    cfg_layout_function_header =
+	    unlink_insn_chain (get_insns (), PREV_INSN (insn));
   else
     cfg_layout_function_header = NULL_RTX;