From b88e26b0f93e18b20444baeb69a384cf6ba82087 Mon Sep 17 00:00:00 2001 From: Michael Matz Date: Thu, 4 Oct 2007 13:35:06 +0000 Subject: [PATCH] re PR rtl-optimization/33653 (volatile memory access optimized away) PR rtl-optimization/33653 * gcc.dg/pr33653.c: New. From-SVN: r129007 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/pr33653.c | 10 ++++++++++ 2 files changed, 15 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/pr33653.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cd6596ef763..45881bf26fa 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-10-04 Michael Matz + + PR rtl-optimization/33653 + * gcc.dg/pr33653.c: New. + 2007-10-04 Richard Guenther 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 00000000000..91274c27e66 --- /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" } } */ -- 2.30.2