diff options
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 35 |
1 files changed, 15 insertions, 20 deletions
@@ -4819,7 +4819,7 @@ process_insert_insn (expr) else if (insn_invalid_p (emit_insn (gen_rtx_SET (VOIDmode, reg, exp)))) abort (); - pat = gen_sequence (); + pat = get_insns (); end_sequence (); return pat; @@ -4843,10 +4843,15 @@ insert_insn_end_bb (expr, bb, pre) rtx new_insn; rtx reg = expr->reaching_reg; int regno = REGNO (reg); - rtx pat; - int i; + rtx pat, pat_end; pat = process_insert_insn (expr); + if (pat == NULL_RTX || ! INSN_P (pat)) + abort (); + + pat_end = pat; + while (NEXT_INSN (pat_end) != NULL_RTX) + pat_end = NEXT_INSN (pat_end); /* If the last insn is a jump, insert EXPR in front [taking care to handle cc0, etc. properly]. Similary we need to care trapping @@ -4934,26 +4939,16 @@ insert_insn_end_bb (expr, bb, pre) else new_insn = emit_insn_after (pat, insn); - /* Keep block number table up to date. - Note, PAT could be a multiple insn sequence, we have to make - sure that each insn in the sequence is handled. */ - if (GET_CODE (pat) == SEQUENCE) + while (1) { - for (i = 0; i < XVECLEN (pat, 0); i++) + if (INSN_P (pat)) { - rtx insn = XVECEXP (pat, 0, i); - if (INSN_P (insn)) - add_label_notes (PATTERN (insn), new_insn); - - note_stores (PATTERN (insn), record_set_info, insn); + add_label_notes (PATTERN (pat), new_insn); + note_stores (PATTERN (pat), record_set_info, pat); } - } - else - { - add_label_notes (pat, new_insn); - - /* Keep register set table up to date. */ - record_one_set (regno, new_insn); + if (pat == pat_end) + break; + pat = NEXT_INSN (pat); } gcse_create_count++; |