From: Richard Biener <rguenther@suse.de>
Date: Thu, 30 Jan 2014 11:58:16 +0000 (+0000)
Subject: re PR tree-optimization/59951 (bootstrap comparison failure with -O3 for a week)
X-Git-Tag: releases/gcc-4.9.0~1225
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f30a0ba57a9a407601afd871d6bf49038b258c94;p=thirdparty%2Fgcc.git

re PR tree-optimization/59951 (bootstrap comparison failure with -O3 for a week)

2014-01-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/59951
	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Skip uses in debug
	insns.

From-SVN: r207299
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e809dfcaa00..b908dc08340d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-01-30  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/59951
+	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Skip uses in debug
+	insns.
+
 2014-01-30  Savin Zlobec  <savin.zlobec@gmail.com>
 
 	PR target/59784
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 372d7db3e70f..54b780a9bf46 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1967,9 +1967,10 @@ vect_bb_slp_scalar_cost (basic_block bb,
 	  imm_use_iterator use_iter;
 	  gimple use_stmt;
 	  FOR_EACH_IMM_USE_STMT (use_stmt, use_iter, DEF_FROM_PTR (def_p))
-	    if (gimple_code (use_stmt) == GIMPLE_PHI
-		|| gimple_bb (use_stmt) != bb
-		|| !STMT_VINFO_VECTORIZABLE (vinfo_for_stmt (use_stmt)))
+	    if (!is_gimple_debug (use_stmt)
+		&& (gimple_code (use_stmt) == GIMPLE_PHI
+		    || gimple_bb (use_stmt) != bb
+		    || !STMT_VINFO_VECTORIZABLE (vinfo_for_stmt (use_stmt))))
 	      {
 		(*life)[i] = true;
 		BREAK_FROM_IMM_USE_STMT (use_iter);