From: Richard Biener <rguenther@suse.de>
Date: Wed, 12 Feb 2014 14:50:06 +0000 (+0000)
Subject: gcse.c (compute_transp): break from loop over canon_modify_mem_list when we found... 
X-Git-Tag: releases/gcc-4.9.0~941
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ad0188be2152e741de7aa4b839a3e8b72b930dfa;p=thirdparty%2Fgcc.git

gcse.c (compute_transp): break from loop over canon_modify_mem_list when we found a dependence.

2014-02-12  Richard Biener  <rguenther@suse.de>

	* gcse.c (compute_transp): break from loop over canon_modify_mem_list
	when we found a dependence.

From-SVN: r207726
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index caf93a919daa..c33da7817188 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-02-12  Richard Biener  <rguenther@suse.de>
+
+	* gcse.c (compute_transp): break from loop over canon_modify_mem_list
+	when we found a dependence.
+
 2014-02-12  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* gimplify.c (gimplify_call_expr, gimplify_modify_expr): Move
diff --git a/gcc/gcse.c b/gcc/gcse.c
index eff3715c49f5..2bb0b5fec1e7 100644
--- a/gcc/gcse.c
+++ b/gcc/gcse.c
@@ -1735,7 +1735,10 @@ compute_transp (const_rtx x, int indx, sbitmap *bmap)
 
 		  if (canon_true_dependence (dest, GET_MODE (dest),
 					     dest_addr, x, x_addr))
-		    bitmap_clear_bit (bmap[bb_index], indx);
+		    {
+		      bitmap_clear_bit (bmap[bb_index], indx);
+		      break;
+		    }
 	        }
 	    }
 	}