Since graphite will not modify the CFG when it does not do any optimization,
we would like to propose that graphite's polyhedral optimizer be enabled at
-O3 -fprofile-use where, compile time is of lesser concern.
gcc/ChangeLog:
2015-11-08 Aditya Kumar <aditya...@samsung.com>
Sebastian Pop <s....@samsung.com>
* graphite.c (gate_graphite_transforms): Enable graphite on -O3
-fprofile-use.
---
gcc/graphite.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/graphite.c b/gcc/graphite.c
index 5316bc4..49595ac 100644
--- a/gcc/graphite.c
+++ b/gcc/graphite.c
@@ -383,6 +383,9 @@ gate_graphite_transforms (void)
|| flag_loop_optimize_isl)
flag_graphite = 1;
+ if (optimize >= 3 && flag_profile_use)
+ flag_loop_optimize_isl = 1;
+
return flag_graphite != 0;
}
--
2.1.4
