Subversion Repositories raptor64

/*

 *      code generation structures and constants

 */

#define F_REG   1       /* 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 */

#define F_IMMED18       64              // 18-bit immediate constant

/*      addressing mode structure       */

typedef struct amode {

        unsigned int mode : 4;

        unsigned int preg : 6;

        unsigned int sreg : 6;

        unsigned int tempflag : 1;

        int deep;           /* stack depth on allocation */

        struct enode *offset;

} AMODE;

/*      output code structure   */

struct ocode {

        struct ocode *fwd, *back;

        short opcode;

        short length;

        AMODE *oper1, *oper2, *oper3;

};

enum e_op {

        op_move, op_add, op_addu, op_addi, op_sub, op_subi, op_mov,

        op_muls, op_mulsi, op_mulu, op_divs, op_divsi, op_divu, op_and, op_andi,

        op_or, op_ori, op_xor, op_xori, op_asr, op_shl, op_shr, op_shru,

                op_shli, op_shri, op_shrui,

                op_jmp, op_mului, op_mod, op_modu,

                op_tas, op_bmi, op_subu, op_lwr, op_swc, op_loop, op_iret,

                op_sext32,op_sext16,op_sext8, op_dw, op_cache,

                op_subui, op_addui, op_sei,

                op_sw, op_sh, op_sc, op_sb,

                op_call, op_jal, op_beqi, op_bnei,

                op_lw, op_lh, op_lc, op_lb, op_ret, op_sm, op_lm,

        op_rts, op_bra, op_bf, op_beq, op_bne, op_blt, op_ble, op_bgt, op_bge,

                op_bgtu, op_bgeu, op_bltu, op_bleu, op_bnr,

        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_ilabel,

        op_pea, op_cmpi, op_dc, op_asm, op_stop, op_empty };

enum e_am {

        am_reg, am_ind, am_ainc, am_adec, am_indx, am_indx2,

        am_direct, am_immed, am_mask, am_none, am_indx3

        };