[PATCH] fix __buitin_return_address(0) on m32r*-*-*-*

[Nick Clifton]

Hi Kazuhiro,

> 2004-06-15  Kazuhiro Inaoka < inaoka dot kazuhiro at renesas dot com >
> 
>     * config/m32r/m32r.h (RETURN_ADDR_RTX): Define.
>     (INCOMING_RETURN_ADDR_RTX): Define.
>     * config/m32r/m32r-protos.h (m32r_return_addr): Added.
>     * config/m32r/m32r.c (m32r_exppand_prologue): Changed for
>     __builtin_return_address(0).
>     (m32r_return_addr): Added for __builtin_return_address(0).
>     (m32r_reload_lr): Ditto.

Applied to 3.4 branch and the mainline.

Cheers
   Nick