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| author | Richard Henderson <rth@gcc.gnu.org> | 2001-12-11 18:58:23 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2001-12-11 18:58:23 -0800 |
| commit | 98ce21b3b388f4f93b1926c1bac451ead787292a (patch) | |
| tree | 4292226e086fb8d5382778d1c1ba94f359a5aa97 /gcc/except.c | |
| parent | eb15deddff31c90b3bdab910bfd9330565087042 (diff) | |
| download | gcc-98ce21b3b388f4f93b1926c1bac451ead787292a.zip gcc-98ce21b3b388f4f93b1926c1bac451ead787292a.tar.gz gcc-98ce21b3b388f4f93b1926c1bac451ead787292a.tar.bz2 | |
except.c (sjlj_find_directly_reachable_regions): Don't consider RNL_BLOCKED a directly reachable region.
* except.c (sjlj_find_directly_reachable_regions): Don't
consider RNL_BLOCKED a directly reachable region.
(sjlj_assign_call_site_values): Trust directly_reachable.
(sjlj_emit_dispatch_table): Likewise.
From-SVN: r47915
Diffstat (limited to 'gcc/except.c')
| -rw-r--r-- | gcc/except.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gcc/except.c b/gcc/except.c index cc7177d..98e5e24 100644 --- a/gcc/except.c +++ b/gcc/except.c @@ -2014,6 +2014,7 @@ sjlj_find_directly_reachable_regions (lp_info) for (insn = get_insns (); insn ; insn = NEXT_INSN (insn)) { struct eh_region *region; + enum reachable_code rc; tree type_thrown; rtx note; @@ -2035,11 +2036,14 @@ sjlj_find_directly_reachable_regions (lp_info) /* Find the first containing region that might handle the exception. That's the landing pad to which we will transfer control. */ + rc = RNL_NOT_CAUGHT; for (; region; region = region->outer) - if (reachable_next_level (region, type_thrown, 0) != RNL_NOT_CAUGHT) - break; - - if (region) + { + rc = reachable_next_level (region, type_thrown, 0); + if (rc != RNL_NOT_CAUGHT) + break; + } + if (rc == RNL_MAYBE_CAUGHT || rc == RNL_CAUGHT) { lp_info[region->region_number].directly_reachable = 1; found_one = true; @@ -2086,8 +2090,7 @@ sjlj_assign_call_site_values (dispatch_label, lp_info) index = 0; for (i = cfun->eh->last_region_number; i > 0; --i) - if (lp_info[i].directly_reachable - && lp_info[i].action_index >= 0) + if (lp_info[i].directly_reachable) lp_info[i].dispatch_index = index++; /* Finally: assign call-site values. If dwarf2 terms, this would be @@ -2316,8 +2319,7 @@ sjlj_emit_dispatch_table (dispatch_label, lp_info) first_reachable = 0; for (i = cfun->eh->last_region_number; i > 0; --i) { - if (! lp_info[i].directly_reachable - || lp_info[i].action_index < 0) + if (! lp_info[i].directly_reachable) continue; if (! first_reachable) |