diff options
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 54 |
1 files changed, 1 insertions, 53 deletions
diff --git a/gcc/except.c b/gcc/except.c index e311695..f3bc4ef 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1157,18 +1157,7 @@ remove_unreachable_regions (rtx insns) } for (insn = insns; insn; insn = NEXT_INSN (insn)) - { - reachable[uid_region_num[INSN_UID (insn)]] = true; - - if (GET_CODE (insn) == CALL_INSN - && GET_CODE (PATTERN (insn)) == CALL_PLACEHOLDER) - for (i = 0; i < 3; i++) - { - rtx sub = XEXP (PATTERN (insn), i); - for (; sub ; sub = NEXT_INSN (sub)) - reachable[uid_region_num[INSN_UID (sub)]] = true; - } - } + reachable[uid_region_num[INSN_UID (insn)]] = true; for (i = cfun->eh->last_region_number; i > 0; --i) { @@ -1259,8 +1248,6 @@ convert_from_eh_region_ranges_1 (rtx *pinsns, int *orig_sp, int cur) else cur = *--sp; - /* Removing the first insn of a CALL_PLACEHOLDER sequence - requires extra care to adjust sequence start. */ if (insn == *pinsns) *pinsns = next; remove_insn (insn); @@ -1285,17 +1272,6 @@ convert_from_eh_region_ranges_1 (rtx *pinsns, int *orig_sp, int cur) REG_NOTES (insn) = alloc_EXPR_LIST (REG_EH_REGION, GEN_INT (cur), REG_NOTES (insn)); } - - if (GET_CODE (insn) == CALL_INSN - && GET_CODE (PATTERN (insn)) == CALL_PLACEHOLDER) - { - convert_from_eh_region_ranges_1 (&XEXP (PATTERN (insn), 0), - sp, cur); - convert_from_eh_region_ranges_1 (&XEXP (PATTERN (insn), 1), - sp, cur); - convert_from_eh_region_ranges_1 (&XEXP (PATTERN (insn), 2), - sp, cur); - } } } @@ -3131,20 +3107,6 @@ can_throw_internal (rtx insn) && GET_CODE (PATTERN (insn)) == SEQUENCE) insn = XVECEXP (PATTERN (insn), 0, 0); - if (GET_CODE (insn) == CALL_INSN - && GET_CODE (PATTERN (insn)) == CALL_PLACEHOLDER) - { - int i; - for (i = 0; i < 3; ++i) - { - rtx sub = XEXP (PATTERN (insn), i); - for (; sub ; sub = NEXT_INSN (sub)) - if (can_throw_internal (sub)) - return true; - } - return false; - } - /* Every insn that might throw has an EH_REGION note. */ note = find_reg_note (insn, REG_EH_REGION, NULL_RTX); if (!note || INTVAL (XEXP (note, 0)) <= 0) @@ -3192,20 +3154,6 @@ can_throw_external (rtx insn) && GET_CODE (PATTERN (insn)) == SEQUENCE) insn = XVECEXP (PATTERN (insn), 0, 0); - if (GET_CODE (insn) == CALL_INSN - && GET_CODE (PATTERN (insn)) == CALL_PLACEHOLDER) - { - int i; - for (i = 0; i < 3; ++i) - { - rtx sub = XEXP (PATTERN (insn), i); - for (; sub ; sub = NEXT_INSN (sub)) - if (can_throw_external (sub)) - return true; - } - return false; - } - note = find_reg_note (insn, REG_EH_REGION, NULL_RTX); if (!note) { |