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| author | Andrey Belevantsev <abel@ispras.ru> | 2019-03-18 10:51:06 +0300 |
|---|---|---|
| committer | Andrey Belevantsev <abel@gcc.gnu.org> | 2019-03-18 10:51:06 +0300 |
| commit | 4e3f3c46d716eda472f6bcb6918b3ab69d981328 (patch) | |
| tree | cfc7a2f92be6bd6b1ba9a60456d43f21cbe896a0 /gcc/sel-sched.c | |
| parent | 7e703f019b351ceb6c68da23bde1e1754746e1f2 (diff) | |
re PR rtl-optimization/89676 (Redundant moves for long long shift on 32bit x86)
PR middle-end/89676
* sel-sched.c (compute_av_set_at_bb_end): When we have an ineligible
successor, use NULL as its av set.
From-SVN: r269751
Diffstat (limited to 'gcc/sel-sched.c')
| -rw-r--r-- | gcc/sel-sched.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c index 315f2c0c0ab..338d7c097df 100644 --- a/gcc/sel-sched.c +++ b/gcc/sel-sched.c @@ -2820,10 +2820,12 @@ compute_av_set_at_bb_end (insn_t insn, ilist_t p, int ws) FOR_EACH_VEC_ELT (sinfo->succs_ok, is, succ) { basic_block succ_bb = BLOCK_FOR_INSN (succ); + av_set_t av_succ = (is_ineligible_successor (succ, p) + ? NULL + : BB_AV_SET (succ_bb)); gcc_assert (BB_LV_SET_VALID_P (succ_bb)); - mark_unavailable_targets (av1, BB_AV_SET (succ_bb), - BB_LV_SET (succ_bb)); + mark_unavailable_targets (av1, av_succ, BB_LV_SET (succ_bb)); } /* Finally, check liveness restrictions on paths leaving the region. */ |