From: Richard Biener <rguenther@suse.de>
Date: Wed, 11 Mar 2015 15:09:51 +0000 (+0000)
Subject: re PR tree-optimization/65310 (vectorizer uses wrong alignment)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=474b3a7c49a5ccd6a8becb7f7c5ae6c9e74f36ca;p=gcc.git

re PR tree-optimization/65310 (vectorizer uses wrong alignment)

2015-03-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/65310
	* tree-sra.c (build_ref_for_offset): Also preserve larger
	alignment.

From-SVN: r221348
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a7f7881472..3e91636b16d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-03-11  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/65310
+	* tree-sra.c (build_ref_for_offset): Also preserve larger
+	alignment.
+
 2015-03-11  Marat Zakirov  <m.zakirov@samsung.com>
 
 	* asan.c (instrument_derefs): Disable instrumentation on asan-globals=0.
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index 3527a47256c..a49e9504e12 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -1597,7 +1597,7 @@ build_ref_for_offset (location_t loc, tree base, HOST_WIDE_INT offset,
   misalign = (misalign + offset) & (align - 1);
   if (misalign != 0)
     align = (misalign & -misalign);
-  if (align < TYPE_ALIGN (exp_type))
+  if (align != TYPE_ALIGN (exp_type))
     exp_type = build_aligned_type (exp_type, align);
 
   mem_ref = fold_build2_loc (loc, MEM_REF, exp_type, base, off);