diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr32721.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr32721.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr32721.c b/gcc/testsuite/gcc.dg/pr32721.c new file mode 100644 index 000000000..b62272b56 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr32721.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +int spinlock[2]; +int main () +{ +volatile int * spinlock0; +volatile int * spinlock1; +spinlock0 = &spinlock[0]; +spinlock1 = &spinlock[1]; + +*spinlock0 = 0; +*spinlock1 = 0; + while (*spinlock0); +} + +/* { dg-final { scan-tree-dump "={v} .*spinlock" "optimized" } } */ +/* { dg-final { scan-tree-dump "spinlock.* ={v}" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |