instruction.h

/* Copyright (c) 2020 tevador <tevador@gmail.com> */
/* See LICENSE for licensing information */
 
#ifndef INSTRUCTION_H
#define INSTRUCTION_H
 
#include <stdint.h>
 
typedef enum instr_type {
        INSTR_UMULH_R,   /* unsigned high multiplication by a register */
        INSTR_SMULH_R,   /* signed high multiplication by a register */
        INSTR_MUL_R,     /* multiplication by a register */
        INSTR_SUB_R,     /* subtraction of a register */
        INSTR_XOR_R,     /* xor with a register */
        INSTR_ADD_RS,    /* addition of a shifted register */
        INSTR_ROR_C,     /* rotation by a constant */
        INSTR_ADD_C,     /* addition of a constant */
        INSTR_XOR_C,     /* xor with a constant */
        INSTR_TARGET,    /* branch instruction target */
        INSTR_BRANCH,    /* conditional branch */
} instr_type;
 
typedef struct instruction {
        instr_type opcode;
        int src;
        int dst;
        uint32_t imm32;
        uint32_t op_par;
} instruction;
 
#endif