From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c new file mode 100644 index 000000000..a8aee43fb --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c @@ -0,0 +1,14 @@ +/* PR tree-optimization/50078 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +unsigned nonvolvar[2]; + +void +test (int arg) +{ + unsigned v = *(volatile unsigned *) (&nonvolvar[arg]); + *(volatile unsigned *) (&nonvolvar[arg]) = v; +} + +/* { dg-final { scan-assembler-times "movl\[^\n\r\]*nonvolvar" 2 { target { { i?86-*-* x86_64-*-* } && nonpic } } } } */ -- cgit v1.2.3