From: Tom de Vries <tom@codesourcery.com>
Date: Mon, 9 Jan 2012 22:19:47 +0000 (+0000)
Subject: re PR debug/51471 (gcc.c-torture/execute/20040811-1.c and gcc.c-torture/execute/vla... 
X-Git-Tag: releases/gcc-4.7.0~1087
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=243b92d11e983eaa85919ed223fe6a3bca8cf890;p=thirdparty%2Fgcc.git

re PR debug/51471 (gcc.c-torture/execute/20040811-1.c and gcc.c-torture/execute/vla-dealloc-1.c  fails at -O3 -g on mips64-linux-gnu)

2012-01-09  Tom de Vries  <tom@codesourcery.com>
	    Andrew Pinski  <apinski@cavium.com>

	PR debug/51471
	* reorg.c (fill_slots_from_thread): Don't speculate frame-related insns.

Co-Authored-By: Andrew Pinski <apinski@cavium.com>

From-SVN: r183038
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6affd168e7ca..8e1959ad81d9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-01-09  Tom de Vries  <tom@codesourcery.com>
+	    Andrew Pinski  <apinski@cavium.com>
+
+	* reorg.c (fill_slots_from_thread): Don't speculate frame-related insns.
+
 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* sched-int.h (bb_note): Move to...
diff --git a/gcc/reorg.c b/gcc/reorg.c
index 0b90550add5e..3fa53939d5ee 100644
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -2716,7 +2716,8 @@ fill_slots_from_thread (rtx insn, rtx condition, rtx thread,
 	  if (!must_annul
 	      && (condition == const_true_rtx
 	          || (! insn_sets_resource_p (trial, &opposite_needed, true)
-		      && ! may_trap_or_fault_p (pat))))
+		      && ! may_trap_or_fault_p (pat)
+		      && ! RTX_FRAME_RELATED_P (trial))))
 	    {
 	      old_trial = trial;
 	      trial = try_split (pat, trial, 0);