From 0f9f9784ad1bb59e89f03e5cb00ebc22f500c059 Mon Sep 17 00:00:00 2001
From: Alexandre Oliva <aoliva@redhat.com>
Date: Wed, 10 Jun 2015 00:37:39 +0000
Subject: Revert "[PR64164] Drop copyrename, use coalescible partition as base
 when optimizing."

This reverts commit c66acc7cedd89bfd22124caec44b8427c9082dac.

Conflicts:
	gcc/ChangeLog
	gcc/testsuite/ChangeLog

From-SVN: r224310
---
 gcc/emit-rtl.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'gcc/emit-rtl.c')

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index c70d3a6..7d3feb1 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -1239,9 +1239,6 @@ set_reg_attrs_for_parm (rtx parm_rtx, rtx mem)
 void
 set_reg_attrs_for_decl_rtl (tree t, rtx x)
 {
-  if (!t)
-    return;
-  tree tdecl = t;
   if (GET_CODE (x) == SUBREG)
     {
       gcc_assert (subreg_lowpart_p (x));
@@ -1250,7 +1247,7 @@ set_reg_attrs_for_decl_rtl (tree t, rtx x)
   if (REG_P (x))
     REG_ATTRS (x)
       = get_reg_attrs (t, byte_lowpart_offset (GET_MODE (x),
-					       DECL_MODE (tdecl)));
+					       DECL_MODE (t)));
   if (GET_CODE (x) == CONCAT)
     {
       if (REG_P (XEXP (x, 0)))
-- 
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