From: Jakub Jelinek <jakub@redhat.com>
Date: Thu, 13 Oct 2011 16:09:12 +0000 (+0200)
Subject: tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE from vector or complex vars... 
X-Git-Tag: releases/gcc-4.7.0~3143
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9a6b63c3d549e65883134456b811f46a863d45d0;p=thirdparty%2Fgcc.git

tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE from vector or complex vars even if...

	* tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE
	from vector or complex vars even if their DECL_UID is in not_reg_needs
	bitmap.

Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r179930
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c5567d16cecd..01c7e006b18e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-13  Jakub Jelinek  <jakub@redhat.com>
+	    Richard Guenther  <rguenther@suse.de>
+
+	* tree-ssa.c (maybe_optimize_var): Drop TREE_ADDRESSABLE
+	from vector or complex vars even if their DECL_UID is in not_reg_needs
+	bitmap.
+
 2011-10-13  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/i386/sse.md (reduc_umin_v8hi): New pattern.
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index 258a7444b08f..8f73d9176f2d 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -1963,6 +1963,8 @@ maybe_optimize_var (tree var, bitmap addresses_taken, bitmap not_reg_needs)
 	 a non-register.  Otherwise we are confused and forget to
 	 add virtual operands for it.  */
       && (!is_gimple_reg_type (TREE_TYPE (var))
+	  || TREE_CODE (TREE_TYPE (var)) == VECTOR_TYPE
+	  || TREE_CODE (TREE_TYPE (var)) == COMPLEX_TYPE
 	  || !bitmap_bit_p (not_reg_needs, DECL_UID (var))))
     {
       TREE_ADDRESSABLE (var) = 0;