diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-29 07:43:09 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1995-10-29 07:43:09 -0500 |
| commit | 4f069e1470c4850d37991c0c7406da09e5acc544 (patch) | |
| tree | f4c61c31ef760d88f95101e657eba8177451b361 /gcc/config/vax | |
| parent | 139eda626f1994d1f1b0bac849db4e0836850990 (diff) | |
| download | gcc-4f069e1470c4850d37991c0c7406da09e5acc544.tar.gz | |
(RETURN_ADDRESS_OFFSET, RETURN_ADDR_RTX): Define.
From-SVN: r10540
Diffstat (limited to 'gcc/config/vax')
| -rw-r--r-- | gcc/config/vax/vax.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/config/vax/vax.h b/gcc/config/vax/vax.h index 7b37ba024d7..99386c08903 100644 --- a/gcc/config/vax/vax.h +++ b/gcc/config/vax/vax.h @@ -551,6 +551,20 @@ gen_rtx (PLUS, Pmode, frame, gen_rtx (CONST_INT, VOIDmode, 12)) emit_move_insn (gen_rtx (MEM, SImode, plus_constant (TRAMP, 11)), \ plus_constant (FNADDR, 2)); \ } + +/* Byte offset of return address in a stack frame. The "saved PC" field + is in element [4] when treating the frame as an array of longwords. */ + +#define RETURN_ADDRESS_OFFSET (4 * UNITS_PER_WORD) /* 16 */ + +/* A C expression whose value is RTL representing the value of the return + address for the frame COUNT steps up from the current frame. + FRAMEADDR is already the frame pointer of the COUNT frame, so we + can ignore COUNT. */ + +#define RETURN_ADDR_RTX(COUNT, FRAME) \ + gen_rtx (MEM, Pmode, plus_constant (FRAME, RETURN_ADDRESS_OFFSET)) + /* Addressing modes, and classification of registers for them. */ |