From: Martin Jambor <mjambor@suse.cz>
Date: Tue, 26 Jul 2011 17:21:21 +0000 (+0200)
Subject: tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and return false for... 
X-Git-Tag: releases/gcc-4.7.0~5109
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=842eeb9b72e45297b0f6c8a712aa0ec03157b434;p=thirdparty%2Fgcc.git

tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and return false for invariants.

2011-07-26  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and
	return false for invariants.

From-SVN: r176797
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ab5aaff9003c..bc2fd587c1b3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-26  Martin Jambor  <mjambor@suse.cz>
+
+	* tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and
+	return false for invariants.
+
 2011-07-26  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.md (add->lea splitter): Implement using SWI
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index cbebb81ba02d..cc5cd36123f5 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -1075,9 +1075,13 @@ tree_non_mode_aligned_mem_p (tree exp)
   enum machine_mode mode = TYPE_MODE (TREE_TYPE (exp));
   unsigned int align;
 
+  if (TREE_CODE (exp) == VIEW_CONVERT_EXPR)
+    exp = TREE_OPERAND (exp, 0);
+
   if (TREE_CODE (exp) == SSA_NAME
       || TREE_CODE (exp) == MEM_REF
       || mode == BLKmode
+      || is_gimple_min_invariant (exp)
       || !STRICT_ALIGNMENT)
     return false;