diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/pr50078.c | 14 |
1 files changed, 14 insertions, 0 deletions
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 } } } } */ |