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(RETURN_ADDRESS_OFFSET, RETURN_ADDR_RTX): Define. 

From-SVN: r10540
This commit is contained in:
Richard Kenner 1995-10-29 07:43:09 -05:00
parent 139eda626f
commit 4f069e1470
1 changed files with 14 additions and 0 deletions
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14
gcc/config/vax/vax.h
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@ -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. */