diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/predict.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/predict-7.c | 17 |
4 files changed, 27 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6b1851a..c2df9d3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-07-31 Dehao Chen <dehao@google.com> + + * predict.c (tree_estimate_probability_driver): Normalize the + loop when initializing the loop optimizer. + 2012-07-31 Richard Guenther <rguenther@suse.de> * tree-flow.h (struct var_ann_d): Remove need_phi_state diff --git a/gcc/predict.c b/gcc/predict.c index b8acdba..c884d38 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -2200,7 +2200,7 @@ tree_estimate_probability_driver (void) { unsigned nb_loops; - loop_optimizer_init (0); + loop_optimizer_init (LOOPS_NORMAL); if (dump_file && (dump_flags & TDF_DETAILS)) flow_loops_dump (dump_file, NULL, 0); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6a56342..00c8b70 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2012-07-31 Dehao Chen <dehao@google.com> + + * gcc.dg/predict-7.c: New test. + 2012-07-31 Janus Weil <janus@gcc.gnu.org> PR fortran/54134 diff --git a/gcc/testsuite/gcc.dg/predict-7.c b/gcc/testsuite/gcc.dg/predict-7.c new file mode 100644 index 0000000..2c1c36f --- /dev/null +++ b/gcc/testsuite/gcc.dg/predict-7.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-profile_estimate" } */ + +extern int global; + +int bar (int); + +void foo (int base) +{ + int i; + while (global < 10) + for (i = base; i < 10; i++) + bar (i); +} + +/* { dg-final { scan-tree-dump-times "loop branch heuristics" 0 "profile_estimate"} } */ +/* { dg-final { cleanup-tree-dump "profile_estimate" } } */ |