* function.c (expand_function_end): Emit a blockage insn before
the epilogue when -fnon-call-exceptions is used.
* except.c (expand_start_all_catch): Make comment more accurate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@79265
138bc75d-0d04-0410-961f-
82ee72b054a4
+2004-03-10 Andrew Haley <aph@redhat.com>
+
+ * function.c (expand_function_end): Emit a blockage insn before
+ the epilogue when -fnon-call-exceptions is used.
+
+ * except.c (expand_start_all_catch): Make comment more accurate.
+
2004-03-08 Joel Sherrill <joel@oarcorp.com>
PR target/14480
emit_jump (region->u.try.continue_label);
}
-/* Begin a catch clause. TYPE is the type caught, a list of such types, or
- null if this is a catch-all clause. Providing a type list enables to
- associate the catch region with potentially several exception types, which
- is useful e.g. for Ada. */
+/* Begin a catch clause. TYPE is the type caught, a list of such
+ types, (in the case of Java) an ADDR_EXPR which points to the
+ runtime type to match, or null if this is a catch-all
+ clause. Providing a type list enables to associate the catch region
+ with potentially several exception types, which is useful e.g. for
+ Ada. */
void
expand_start_catch (tree type_or_list)
clear_pending_stack_adjust ();
do_pending_stack_adjust ();
+ /* @@@ This is a kludge. We want to ensure that instructions that
+ may trap are not moved into the epilogue by scheduling, because
+ we don't always emit unwind information for the epilogue.
+ However, not all machine descriptions define a blockage insn, so
+ emit an ASM_INPUT to act as one. */
+ if (flag_non_call_exceptions)
+ emit_insn (gen_rtx_ASM_INPUT (VOIDmode, ""));
+
/* Mark the end of the function body.
If control reaches this insn, the function can drop through
without returning a value. */