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| author | Paul Koning <ni1d@arrl.net> | 2010-11-20 14:11:32 -0500 |
|---|---|---|
| committer | Paul Koning <pkoning@gcc.gnu.org> | 2010-11-20 14:11:32 -0500 |
| commit | 58dd8e861c8f05fac2263fa722fd846f7aacb423 (patch) | |
| tree | 5438898281b6802861fe1345022684ff79a3694d /gcc/config/pdp11/pdp11.md | |
| parent | a9aa2c3ae2aa0ccb98a04cab88c52ac76107d74c (diff) | |
| download | gcc-58dd8e861c8f05fac2263fa722fd846f7aacb423.tar.gz | |
pdp11-protos.h (pdp11_initial_elimination_offset, [...]): New functions.
* 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.
From-SVN: r166978
Diffstat (limited to 'gcc/config/pdp11/pdp11.md')
| -rw-r--r-- | gcc/config/pdp11/pdp11.md | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/config/pdp11/pdp11.md b/gcc/config/pdp11/pdp11.md index 1176440179f..6f76458e41c 100644 --- a/gcc/config/pdp11/pdp11.md +++ b/gcc/config/pdp11/pdp11.md @@ -25,15 +25,20 @@ (define_constants [ ;; Register numbers + (R0_REGNUM 0) (RETVAL_REGNUM 0) - (FRAME_POINTER_REGNUM 5) + (HARD_FRAME_POINTER_REGNUM 5) (STACK_POINTER_REGNUM 6) (PC_REGNUM 7) (AC0_REGNUM 8) (AC3_REGNUM 11) (AC4_REGNUM 12) (AC5_REGNUM 13) - (FIRST_PSEUDO_REGISTER 14) + ;; The next two are not physical registers but are used for addressing + ;; arguments. + (FRAME_POINTER_REGNUM 14) + (ARG_POINTER_REGNUM 15) + (FIRST_PSEUDO_REGISTER 16) ;; Branch offset limits, as byte offsets from instruction address (MIN_BRANCH -254) (MAX_BRANCH 256) |