From: Alan Modra <amodra@bigpond.net.au>
Date: Wed, 23 Sep 2009 22:30:05 +0000 (+0000)
Subject: re PR target/40473 (-mno-sched-prolog breaks function parameter debug location lists)
X-Git-Tag: releases/gcc-4.3.5~370
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0858c47e31efeeaf56c8c3df582192dfa5f098fa;p=thirdparty%2Fgcc.git

re PR target/40473 (-mno-sched-prolog breaks function parameter debug location lists)

	PR target/40473
	* config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
	call final to emit non-scheduled prologue, instead insert at entry.

From-SVN: r152105
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ea2bfc48b2b2..76efd04f3a97 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2009-09-23  Alan Modra  <amodra@bigpond.net.au>
+
+	PR target/40473
+	* config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
+	call final to emit non-scheduled prologue, instead insert at entry.
+
 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	PR c/39779
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 8b1965d35023..b39c456720d2 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -16223,6 +16223,8 @@ rs6000_output_function_prologue (FILE *file,
 
   if (! HAVE_prologue)
     {
+      rtx prologue;
+
       start_sequence ();
 
       /* A NOTE_INSN_DELETED is supposed to be at the start and end of
@@ -16242,10 +16244,14 @@ rs6000_output_function_prologue (FILE *file,
 	  }
       }
 
-      if (TARGET_DEBUG_STACK)
-	debug_rtx_list (get_insns (), 100);
-      final (get_insns (), file, FALSE);
+      prologue = get_insns ();
       end_sequence ();
+
+      if (TARGET_DEBUG_STACK)
+	debug_rtx_list (prologue, 100);
+
+      emit_insn_before_noloc (prologue, BB_HEAD (ENTRY_BLOCK_PTR->next_bb),
+			      ENTRY_BLOCK_PTR);
     }
 
   rs6000_pic_labelno++;