mn10300.c (can_use_return_insn): Add size of fixed stack space for function calls into the size of the frame.

        * mn10300.c (can_use_return_insn): Add size of fixed stack space
        for function calls into the size of the frame.  */
        (expand_prologue, expand_epilogue): Likewise.
        (initial_offset): Corresponding changes..
        * mn10300.h (OUTGOING_REG_PARM_STACK_SPACE): No longer define.
        (STACK_POINTER_OFFSET): Define.
        * mn10300.md (call, call_value expanders): Don't adjust the stack
        pointer here anymore.

        * mn10300.md (ashlsi3): Remove some alternatives which are no longer
        needed or desired.

From-SVN: r13837