Re: [PATCH,TARGET]PR21078,21080 Fix AVR builtin_return_address

["Anatoly Sokolov" <aesok at post dot ru>]

Hi Andy.

> +/* Current function stack size.  */
> +static int stack_usage;

Move 'stack_usage' variable in 'machine_function' struct.

> +rtx 
> +avr_return_addr_rtx (int count, rtx tem)

Change type of 'tem' to const_rtx.

> Index: avr.h
> ===================================================================
> --- avr.h (revision 154058)
> +++ avr.h (working copy)
> @@ -367,9 +367,10 @@
>  #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET)   \
>   OFFSET = avr_initial_elimination_offset (FROM, TO)
>
> -#define RETURN_ADDR_RTX(count, x) \
> -  gen_rtx_MEM (Pmode, memory_address (Pmode, plus_constant (tem, 1)))
> +/* Return address is located at frame+stack size+1.  */
> +#define RETURN_ADDR_RTX(count, tem) avr_return_addr_rtx (count, tem)

Move comment before RETURN_ADDR_RTX macro from avr.h to avr.c file.

Ok, with this changes.

Anatoly.