pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx to NULL_RTX.

pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx to NULL_RTX.

        * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
        to NULL_RTX.
        (hppa_expand_prologue): Delete code to save pic offset table register
        in the function prologue.
        * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
        * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
        table register at the beginning of the function after the prologue.

From-SVN: r39351