r166978 - in /trunk/gcc: ChangeLog config/pdp11...

[pkoning@gcc.gnu.org]

Author: pkoning
Date: Sat Nov 20 19:11:32 2010
New Revision: 166978

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166978
Log:
* config/pdp11/pdp11-protos.h (pdp11_initial_elimination_offset,
pdp11_regno_reg_class): New functions.
* config/pdp11/pdp11.md (define_constants): Add register numbers.
* config/pdp11/pdp11.c (pdp11_regno_reg_class,
pdp11_sp_frame_offset, pdp11_initial_elimination_offset): New
functions. 
* config/pdp11/pdp11.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Add
frame pointer and argument pointer pseudo-registers.
(ARG_POINTER_REGNUM): Define.
(REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add frame pointer and
argument pointer. 
(FIRST_PARM_OFFSET): Update for argument pointer.
(INITIAL_FRAME_POINTER_OFFSET): Delete.
(ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): New macros.
(REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_INDEX_P, REGISTER_NAMES): Add
frame pointer and argument pointer. 

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/pdp11/pdp11-protos.h
    trunk/gcc/config/pdp11/pdp11.c
    trunk/gcc/config/pdp11/pdp11.h
    trunk/gcc/config/pdp11/pdp11.md