From: Mike Stump <mikestump@comcast.net>
Date: Tue, 14 May 2013 17:43:57 +0000 (+0000)
Subject: * web.c (union_match_dups): Also check DF_REF_REAL_LOC.
X-Git-Tag: releases/gcc-4.9.0~5896
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e7180acbb92275577a02326efb3ad2671a3f73b7;p=thirdparty%2Fgcc.git

* web.c (union_match_dups): Also check DF_REF_REAL_LOC.

From-SVN: r198896
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 58e0f95508ce..62255a365374 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2013-05-14  Mike Stump  <mikestump@comcast.net>
+
+	* web.c (union_match_dups): Also check DF_REF_REAL_LOC.
+
 2013-05-14  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* resource.h (struct resources): Remove unch_memory member.
diff --git a/gcc/web.c b/gcc/web.c
index d09d1d51f725..7f667db2cc53 100644
--- a/gcc/web.c
+++ b/gcc/web.c
@@ -132,14 +132,22 @@ union_match_dups (rtx insn, struct web_entry *def_entry,
       ref = type == OP_IN ? use_link : def_link;
       entry = type == OP_IN ? use_entry : def_entry;
       for (; *ref; ref++)
-	if (DF_REF_LOC (*ref) == recog_data.operand_loc[op])
-	  break;
+	{
+	  if (DF_REF_LOC (*ref) == recog_data.operand_loc[op])
+	    break;
+	  if (DF_REF_REAL_LOC (*ref) == recog_data.operand_loc[op])
+	    break;
+	}
 
       if (!*ref && type == OP_INOUT)
 	{
 	  for (ref = use_link, entry = use_entry; *ref; ref++)
-	    if (DF_REF_LOC (*ref) == recog_data.operand_loc[op])
-	      break;
+	    {
+	      if (DF_REF_LOC (*ref) == recog_data.operand_loc[op])
+		break;
+	      if (DF_REF_REAL_LOC (*ref) == recog_data.operand_loc[op])
+		break;
+	    }
 	}
 
       gcc_assert (*ref);