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| author | Alexander Monakov <amonakov@ispras.ru> | 2011-04-08 15:49:43 +0400 |
|---|---|---|
| committer | Alexander Monakov <amonakov@gcc.gnu.org> | 2011-04-08 15:49:43 +0400 |
| commit | 07643d76c74845e250bdedca6b7148ebccff780b (patch) | |
| tree | b24f6232438679f7da43611698b485f6401bd044 /gcc/sel-sched.c | |
| parent | 1f3b2b4e2914cbb5750e23acf609c5c5b7ca42a3 (diff) | |
| download | gcc-07643d76c74845e250bdedca6b7148ebccff780b.zip gcc-07643d76c74845e250bdedca6b7148ebccff780b.tar.gz gcc-07643d76c74845e250bdedca6b7148ebccff780b.tar.bz2 | |
re PR target/48273 (ICE: in create_copy_of_insn_rtx, at sel-sched-ir.c:5604 with -fsel-sched-pipelining -fselective-scheduling2 -march=core2)
PR target/48273
* cfgloop.h (loop_has_exit_edges): New helper.
* sel-sched-ir.c (init_global_and_expr_for_insn): Make CALLs
non-clonable.
* sel-sched.c (sel_setup_region_sched_flags): Don't pipeline loops
that have no exit edges.
testsuite:
* g++.dg/opt/pr48273.C: New.
From-SVN: r172175
Diffstat (limited to 'gcc/sel-sched.c')
| -rw-r--r-- | gcc/sel-sched.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c index 0e8173b..fb1a026 100644 --- a/gcc/sel-sched.c +++ b/gcc/sel-sched.c @@ -6781,7 +6781,8 @@ sel_setup_region_sched_flags (void) bookkeeping_p = 1; pipelining_p = (bookkeeping_p && (flag_sel_sched_pipelining != 0) - && current_loop_nest != NULL); + && current_loop_nest != NULL + && loop_has_exit_edges (current_loop_nest)); max_insns_to_rename = PARAM_VALUE (PARAM_SELSCHED_INSNS_TO_RENAME); max_ws = MAX_WS; } |