diff options
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index c7d1dd7..21de5e5 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -2742,10 +2742,14 @@ split_all_insns (upd_life) last = split_insn (insn); if (last) { + /* The split sequence may include barrier, but the + BB boundary we are interested in will be set to previous + one. */ + + while (GET_CODE (last) == BARRIER) + last = PREV_INSN (last); SET_BIT (blocks, i); changed = 1; - if (insn == bb->end) - bb->end = last; insn = last; } @@ -2759,7 +2763,6 @@ split_all_insns (upd_life) if (changed) { - compute_bb_for_insn (get_max_uid ()); for (i = 0; i < n_basic_blocks; i++) find_sub_basic_blocks (BASIC_BLOCK (i)); } @@ -3061,14 +3064,8 @@ peephole2_optimize (dump_file) i -= MAX_INSNS_PER_PEEP2 + 1; /* Replace the old sequence with the new. */ + try = emit_insn_after (try, peep2_insn_data[i].insn); flow_delete_insn_chain (insn, peep2_insn_data[i].insn); - try = emit_insn_after (try, prev); - - /* Adjust the basic block boundaries. */ - if (peep2_insn_data[i].insn == bb->end) - bb->end = try; - if (insn == bb->head) - bb->head = NEXT_INSN (prev); #ifdef HAVE_conditional_execution /* With conditional execution, we cannot back up the |