2011/6/9 Georg-Johann Lay <a...@gjlay.de>:
> This patch fixes a thinko in avr_function_arg_advance.
>
> Without the patch, following code will report false positive for
> passing args in fixed regs like:
>
> error: Register r0 is needed to pass a parameter but is fixed
> error: Register r1 is needed to pass a parameter but is fixed
>
> This is the code:
>
> typedef struct
> {
> char c[18];
> } S;
>
> typedef struct
> {
> char c[26];
> } T;
>
> char foo (S b, T a)
> {
> return b.c[9];
> }
>
> The patch also uses same constraint for cfun->machine->sibcall_fails
> (even though it would not hut to have false positived there).
Approved.
Denis.
