aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAditya Kumar <aditya.k7@samsung.com>2015-11-06 20:43:52 +0000
committerSebastian Pop <spop@gcc.gnu.org>2015-11-06 20:43:52 +0000
commitb4487cbc5eb352e5ab198bca6edd71e4467befa5 (patch)
treecd06d5ac9699026d54b399017ad0e42137eeafcb
parent40856c71be57cd32733304904d74e5ffe221623d (diff)
downloadgcc-b4487cbc5eb352e5ab198bca6edd71e4467befa5.zip
gcc-b4487cbc5eb352e5ab198bca6edd71e4467befa5.tar.gz
gcc-b4487cbc5eb352e5ab198bca6edd71e4467befa5.tar.bz2
do not collect cold loops in scops
* graphite-scop-detection.c (loop_is_valid_scop): Call optimize_loop_nest_for_speed_p. Co-Authored-By: Sebastian Pop <s.pop@samsung.com> From-SVN: r229890
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/graphite-scop-detection.c7
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 04bc2b4..c5c9eed 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,12 @@
2015-11-06 Aditya Kumar <aditya.k7@samsung.com>
Sebastian Pop <s.pop@samsung.com>
+ * graphite-scop-detection.c (loop_is_valid_scop): Call
+ optimize_loop_nest_for_speed_p.
+
+2015-11-06 Aditya Kumar <aditya.k7@samsung.com>
+ Sebastian Pop <s.pop@samsung.com>
+
* graphite-optimize-isl.c (optimize_isl): Call
isl_options_set_schedule_maximize_band_depth.
diff --git a/gcc/graphite-scop-detection.c b/gcc/graphite-scop-detection.c
index b1f2ebc..9fb8264 100644
--- a/gcc/graphite-scop-detection.c
+++ b/gcc/graphite-scop-detection.c
@@ -959,6 +959,13 @@ scop_detection::loop_is_valid_scop (loop_p loop, sese_l scop) const
if (!scop)
return false;
+ if (!optimize_loop_nest_for_speed_p (loop))
+ {
+ DEBUG_PRINT (dp << "[scop-detection-fail] loop_"
+ << loop->num << " is not on a hot path.\n");
+ return false;
+ }
+
if (!can_represent_loop (loop, scop))
{
DEBUG_PRINT (dp << "[scop-detection-fail] cannot represent loop_"