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authorhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2005-05-14 14:32:39 +0000
committerhubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4>2005-05-14 14:32:39 +0000
commit131837390c3bbae506b01dc0eeffc4d54cd7fe14 (patch)
treec4111ed07234054e52aad81d13b76812cc1e76f4 /gcc
parent0163eaf13b536e07de5eaef5eb10b404f358e92d (diff)
downloadgcc-131837390c3bbae506b01dc0eeffc4d54cd7fe14.tar.gz
Patch by Richard Henderson:
* tree-eh.c (tree_can_throw_internal, tree_can_throw_external): Handle RESX expressions properly. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99698 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/tree-eh.c19
2 files changed, 19 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 090a7546115..42b8984b1c8 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 3315ffe85d2..7d83746b501 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