/* Implements exception handling.
Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Mike Stump <mrs@cygnus.com>.
to the given failure handler. */
tree (*lang_protect_cleanup_actions) (void);
-/* Return true if type A catches type B. */
-int (*lang_eh_type_covers) (tree a, tree b);
-
static GTY(()) int call_site_base;
static GTY ((param_is (union tree_node)))
htab_t type_to_runtime_map;
lp->landing_pad = gen_label_rtx ();
emit_label (lp->landing_pad);
+ LABEL_PRESERVE_P (lp->landing_pad) = 1;
#ifdef HAVE_exception_receiver
if (HAVE_exception_receiver)
#ifdef DONT_USE_BUILTIN_SETJMP
{
- rtx x;
+ rtx x, last;
x = emit_library_call_value (setjmp_libfunc, NULL_RTX, LCT_RETURNS_TWICE,
TYPE_MODE (integer_type_node), 1,
plus_constant (XEXP (fc, 0),
emit_cmp_and_jump_insns (x, const0_rtx, NE, 0,
TYPE_MODE (integer_type_node), 0, dispatch_label);
- add_reg_br_prob_note (get_insns (), REG_BR_PROB_BASE/100);
+ last = get_last_insn ();
+ if (JUMP_P (last) && any_condjump_p (last))
+ {
+ gcc_assert (!find_reg_note (last, REG_BR_PROB, 0));
+ add_reg_note (last, REG_BR_PROB, GEN_INT (REG_BR_PROB_BASE / 100));
+ }
}
#else
expand_builtin_setjmp_setup (plus_constant (XEXP (fc, 0), sjlj_fc_jbuf_ofs),