On Wed, Jan 09, 2013 at 11:11:13AM +0100, Tom de Vries wrote:
> OK for trunk after I've tested this on mips64?
Yes, thanks.
> 2013-01-09 Tom de Vries <t...@codesourcery.com>
>
> PR middle-end/55890
> * calls.c (expand_call): Check if arg_nr is valid.
>
> Index: gcc/calls.c
> ===================================================================
> --- gcc/calls.c (revision 195008)
> +++ gcc/calls.c (working copy)
> @@ -3136,7 +3136,9 @@ expand_call (tree exp, rtx target, int i
> int arg_nr = return_flags & ERF_RETURN_ARG_MASK;
> if (PUSH_ARGS_REVERSED)
> arg_nr = num_actuals - arg_nr - 1;
> - if (args[arg_nr].reg
> + if (arg_nr >= 0
> + && arg_nr < num_actuals
> + && args[arg_nr].reg
> && valreg
> && REG_P (valreg)
> && GET_MODE (args[arg_nr].reg) == GET_MODE (valreg))
Jakub
