From: Michael Matz <matz@suse.de>
Date: Thu, 4 Oct 2007 13:35:06 +0000 (+0000)
Subject: re PR rtl-optimization/33653 (volatile memory access optimized away)
X-Git-Tag: releases/gcc-4.3.0~2220
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b88e26b0f93e18b20444baeb69a384cf6ba82087;p=thirdparty%2Fgcc.git

re PR rtl-optimization/33653 (volatile memory access optimized away)

        PR rtl-optimization/33653
        * gcc.dg/pr33653.c: New.

From-SVN: r129007
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index cd6596ef763a..45881bf26fae 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2007-10-04  Michael Matz  <matz@suse.de>
+
+	PR rtl-optimization/33653
+	* gcc.dg/pr33653.c: New.
+
 2007-10-04  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/33627
diff --git a/gcc/testsuite/gcc.dg/pr33653.c b/gcc/testsuite/gcc.dg/pr33653.c
new file mode 100644
index 000000000000..91274c27e66b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr33653.c
@@ -0,0 +1,10 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-rtl-shorten" } */
+
+void f (volatile char *p)
+{
+  char c = p[0];
+}
+
+/* { dg-final { scan-rtl-dump "mem/v" "shorten" } } */
+/* { dg-final { cleanup-rtl-dump "shorten" } } */