From: Alexander Strange <astrange@ithinksw.com>
Date: Fri, 5 Jun 2009 08:30:21 +0000 (+0000)
Subject: re PR tree-optimization/36318 (SRA pessimizes struct copies without -Os)
X-Git-Tag: releases/gcc-4.5.0~5361
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2771246a535b04258f26c8b768664dd271771db3;p=thirdparty%2Fgcc.git

re PR tree-optimization/36318 (SRA pessimizes struct copies without -Os)

2009-06-05  Alexander Strange <astrange@ithinksw.com>

	PR tree-optimization/36318
	* gcc.dg/tree-ssa/sra-7.c: New test.

From-SVN: r148203
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7f4aa6b3b3af..d7dadf21639c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2009-06-05  Alexander Strange <astrange@ithinksw.com>
+
+	PR tree-optimization/36318
+	* gcc.dg/tree-ssa/sra-7.c: New test.
+
 2009-06-04  Daniel Franke  <franke.daniel@gmail.com>
 
 	PR fortran/37203
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/sra-7.c b/gcc/testsuite/gcc.dg/tree-ssa/sra-7.c
new file mode 100644
index 000000000000..325a329f3431
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/sra-7.c
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+typedef struct { char f[4]; } __attribute__((aligned (4))) s;
+
+void a(s *s1, s *s2)
+{
+  *s1 = *s2;
+}
+
+/* Struct copies should not be split into members.  */
+/* { dg-final { scan-tree-dump "\\\*s1_.\\\(D\\\) = \\\*s2"  "optimized"} } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */