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- /*
- * code generation structures and constants
- */
-
- #define F_DREG 1 /* data register direct mode allowed */
- #define F_AREG 2 /* address register direct mode allowed */
- #define F_MEM 4 /* memory alterable modes allowed */
- #define F_IMMED 8 /* immediate mode allowed */
- #define F_ALT 7 /* alterable modes */
- #define F_DALT 5 /* data alterable modes */
- #define F_ALL 15 /* all modes allowed */
- #define F_VOL 16 /* need volitile operand */
- #define F_NOVALUE 32 /* dont need result value */
-
- /* addressing mode structure */
-
- struct amode {
- char mode;
- char preg;
- char sreg;
- char tempflag;
- int deep; /* stack depth on allocation */
- struct enode *offset;
- };
-
- /* output code structure */
-
- struct ocode {
- struct ocode *fwd, *back;
- short opcode;
- short length;
- struct amode *oper1, *oper2;
- };
-
- enum e_op {
- op_move, op_moveq, op_add, op_addi, op_addq, op_sub, op_subi,
- op_subq, op_muls, op_mulu, op_divs, op_divu, op_and, op_andi,
- op_or, op_ori, op_eor, op_asl, op_asr, op_jmp, op_jsr, op_movem,
- op_rts, op_bra, op_beq, op_bne, op_blt, op_ble, op_bgt, op_bge,
- op_bhi, op_bhs, op_blo, op_bls, op_tst, op_ext, op_lea, op_swap,
- op_neg, op_not, op_cmp, op_clr, op_link, op_unlk, op_label,
- op_pea, op_cmpi, op_dc };
-
- enum e_am {
- am_dreg, am_areg, am_ind, am_ainc, am_adec, am_indx, am_indx2,
- am_xpc, am_direct, am_immed, am_mask, am_none, am_indx3 };
-