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authorAndrey Belevantsev <abel@gcc.gnu.org>2014-02-24 09:57:02 +0400
committerAndrey Belevantsev <abel@gcc.gnu.org>2014-02-24 09:57:02 +0400
commit9039622a9d456ec9719ec22372e0ec22a8fb6ded (patch)
tree4e4b38d31417de3db52142b6f3e4e5a802536d6d /gcc/sched-rgn.c
parent467d193f936fefd55cfee62e250482388606cfcb (diff)
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re PR rtl-optimization/60268 (ICE: in rank_for_schedule, at haifa-sched.c:2557)
gcc/ 2014-02-24 Andrey Belevantsev <abel@ispras.ru> PR rtl-optimization/60268 * sched-rgn.c (haifa_find_rgns): Move the nr_regions_initial variable initialization to ... (sched_rgn_init): ... here. (schedule_region): Check for SCHED_PRESSURE_NONE earlier. testsuite/ 2014-02-24 Andrey Belevantsev <abel@ispras.ru> PR rtl-optimization/60268 * gcc.c-torture/compile/pr60268.c: New test. From-SVN: r208066
Diffstat (limited to 'gcc/sched-rgn.c')
-rw-r--r--gcc/sched-rgn.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/sched-rgn.c b/gcc/sched-rgn.c
index 0573b6a..dc6fa16 100644
--- a/gcc/sched-rgn.c
+++ b/gcc/sched-rgn.c
@@ -1067,7 +1067,6 @@ haifa_find_rgns (void)
BLOCK_TO_BB (bb->index) = 0;
}
- nr_regions_initial = nr_regions;
free (max_hdr);
free (degree);
free (stack);
@@ -2997,10 +2996,10 @@ schedule_region (int rgn)
/* Do not support register pressure sensitive scheduling for the new regions
as we don't update the liveness info for them. */
- if (rgn >= nr_regions_initial)
+ if (sched_pressure != SCHED_PRESSURE_NONE
+ && rgn >= nr_regions_initial)
{
- if (sched_pressure != SCHED_PRESSURE_NONE)
- free_global_sched_pressure_data ();
+ free_global_sched_pressure_data ();
sched_pressure = SCHED_PRESSURE_NONE;
}
@@ -3166,6 +3165,7 @@ sched_rgn_init (bool single_blocks_p)
RGN_BLOCKS (nr_regions) = (RGN_BLOCKS (nr_regions - 1) +
RGN_NR_BLOCKS (nr_regions - 1));
+ nr_regions_initial = nr_regions;
}
/* Free data structures for region scheduling. */