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| author | Jan Hubicka <jh@suse.cz> | 2005-05-14 16:32:39 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2005-05-14 14:32:39 +0000 |
| commit | a8b3ba8b0511bc75c67963d54f779bb65865d1be (patch) | |
| tree | c4111ed07234054e52aad81d13b76812cc1e76f4 | |
| parent | a78b491f29bb39a96308030e22cf035eb22b1ef4 (diff) | |
| download | gcc-a8b3ba8b0511bc75c67963d54f779bb65865d1be.zip gcc-a8b3ba8b0511bc75c67963d54f779bb65865d1be.tar.gz gcc-a8b3ba8b0511bc75c67963d54f779bb65865d1be.tar.bz2 | |
Patch by Richard Henderson:
* tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
Handle RESX expressions properly.
From-SVN: r99698
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/tree-eh.c | 19 |
2 files changed, 19 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 090a754..42b8984 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2005-05-14 Jan Hubicka <jh@suse.cz> + Patch by Richard Henderson: + * tree-eh.c (tree_can_throw_internal, tree_can_throw_external): + Handle RESX expressions properly. + * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region. (add_stmt_to_eh_region_fn): Nest into CALL_EXPR. (remove_stmt_from_eh_region_fn): Likewise. diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c index 3315ffe..7d83746 100644 --- a/gcc/tree-eh.c +++ b/gcc/tree-eh.c @@ -2008,7 +2008,12 @@ tree_could_throw_p (tree t) bool tree_can_throw_internal (tree stmt) { - int region_nr = lookup_stmt_eh_region (stmt); + int region_nr; + + if (TREE_CODE (stmt) == RESX_EXPR) + region_nr = TREE_INT_CST_LOW (TREE_OPERAND (stmt, 0)); + else + region_nr = lookup_stmt_eh_region (stmt); if (region_nr < 0) return false; return can_throw_internal_1 (region_nr); @@ -2017,10 +2022,16 @@ tree_can_throw_internal (tree stmt) bool tree_can_throw_external (tree stmt) { - int region_nr = lookup_stmt_eh_region (stmt); + int region_nr; + + if (TREE_CODE (stmt) == RESX_EXPR) + region_nr = TREE_INT_CST_LOW (TREE_OPERAND (stmt, 0)); + else + region_nr = lookup_stmt_eh_region (stmt); if (region_nr < 0) - return false; - return can_throw_external_1 (region_nr); + return tree_could_throw_p (stmt); + else + return can_throw_external_1 (region_nr); } bool |