diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tm/memopt-5.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tm/memopt-5.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tm/memopt-5.c b/gcc/testsuite/gcc.dg/tm/memopt-5.c new file mode 100644 index 00000000000..7b377a58035 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tm/memopt-5.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-fgnu-tm -O -fdump-tree-tmedge --param tm-max-aggregate-size=1" } */ + +/* Test thread-local memory optimizations: logging function. */ + +struct large { int x[100]; }; +struct large bark(); +extern int test (void) __attribute__((transaction_safe)); + +int f() +{ + int i = readint(); + struct large lala = bark(); + __transaction_atomic { + lala.x[55] = 666; + if (test()) + __transaction_cancel; + } + return lala.x[i]; +} + +/* { dg-final { scan-tree-dump-times "ITM_LU\[0-9\] \\\(&lala.x\\\[55\\\]" 1 "tmedge" { xfail *-*-* } } } */ +/* { dg-final { cleanup-tree-dump "tmedge" } } */ |