On 10/08/12 17:46:03, Easwaran Raman wrote:
> I have attached a revised patch. The updated ChangeLog is given below
> and I have responded to your comments inline:
>
> 2012-10-08 Easwaran Raman <[email protected]>
> * optabs.c (emit_cmp_and_jump_insn_1): Add a new parameter to
> specificy the probability of taking the jump.
Typo above: specificy
> * except.c (sjlj_emit_function_enter): Pass probability to
> emit_cmp_and_jump_insns.
On some targets (e. g., IA64), the following patch leads to an unused
variable warning-as-error:
> Index: except.c
> ===================================================================
> --- except.c (revision 191879)
> +++ except.c (working copy)
> @@ -1161,13 +1161,7 @@ sjlj_emit_function_enter (rtx dispatch_label)
>
> emit_cmp_and_jump_insns (x, const0_rtx, NE, 0,
> TYPE_MODE (integer_type_node), 0,
> - dispatch_label);
> - 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));
> - }
> + dispatch_label, REG_BR_PROB_BASE / 100);
> #else
> expand_builtin_setjmp_setup (plus_constant (Pmode, XEXP (fc, 0),
> sjlj_fc_jbuf_ofs),
[...] gcc-trunk/src/gcc/except.c:1156:14: error: unused variable ‘last’
[-Werror=unused-variable]
rtx x, last;
^
cc1plus: all warnings being treated as errors
