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| author | Richard Henderson <rth@gcc.gnu.org> | 2001-05-05 09:38:25 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-05-05 09:38:25 -0700 |
| commit | 45053eaf0b43e8a9085e20cf52e589cf0aa6aef3 (patch) | |
| tree | 61cc8b37ca09150a483556195e12fa6db9cbc06e /gcc/except.c | |
| parent | 2a9071bb2f453b5d36ea3149c36ac27df57629fd (diff) | |
| download | gcc-45053eaf0b43e8a9085e20cf52e589cf0aa6aef3.zip gcc-45053eaf0b43e8a9085e20cf52e589cf0aa6aef3.tar.gz gcc-45053eaf0b43e8a9085e20cf52e589cf0aa6aef3.tar.bz2 | |
except.c (remove_fixup_regions): Adjust REG_EH_REGION notes to the parent of the fixup region.
* except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
to the parent of the fixup region.
From-SVN: r41867
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gcc/except.c b/gcc/except.c index a015812..b21769c 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -1101,11 +1101,30 @@ static void remove_fixup_regions () { int i; + rtx insn, note; + struct eh_region *fixup; + /* Walk the insn chain and adjust the REG_EH_REGION numbers + for instructions referencing fixup regions. This is only + strictly necessary for fixup regions with no parent, but + doesn't hurt to do it for all regions. */ + for (insn = get_insns(); insn ; insn = NEXT_INSN (insn)) + if (INSN_P (insn) + && (note = find_reg_note (insn, REG_EH_REGION, NULL)) + && INTVAL (XEXP (note, 0)) > 0 + && (fixup = cfun->eh->region_array[INTVAL (XEXP (note, 0))]) + && fixup->type == ERT_FIXUP) + { + if (fixup->u.fixup.real_region) + XEXP (note, 1) = GEN_INT (fixup->u.fixup.real_region->region_number); + else + remove_note (insn, note); + } + + /* Remove the fixup regions from the tree. */ for (i = cfun->eh->last_region_number; i > 0; --i) { - struct eh_region *fixup = cfun->eh->region_array[i]; - + fixup = cfun->eh->region_array[i]; if (! fixup) continue; |