diff options
Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index e51ccab..75458589 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -3440,7 +3440,14 @@ noce_process_if_block (struct noce_if_info *if_info) } else { - insn_b = prev_nonnote_nondebug_insn (if_info->cond_earliest); + insn_b = if_info->cond_earliest; + do + insn_b = prev_nonnote_nondebug_insn (insn_b); + while (insn_b + && (BLOCK_FOR_INSN (insn_b) + == BLOCK_FOR_INSN (if_info->cond_earliest)) + && !modified_in_p (x, insn_b)); + /* We're going to be moving the evaluation of B down from above COND_EARLIEST to JUMP. Make sure the relevant data is still intact. */ |