pz_instructions.cpp

/*
 * Plasma bytecode instructions
 * vim: ts=4 sw=4 et
 *
 * Copyright (C) Plasma Team
 * Distributed under the terms of the MIT license, see ../LICENSE.code
 */

#include "pz_common.h"

#include "pz_instructions.h"

namespace pz {

/*
 * Instruction encoding
 *
 *************************/

InstructionInfo instruction_info[] = {
    /* PZI_LOAD_IMMEDIATE_NUM
     * XXX: The immediate value is always encoded as a 32 bit number but
     * this restriction should be lifted.
     */
    {1, IMT_32},
    /* PZI_ZE */
    {2, IMT_NONE},
    /* PZI_SE */
    {2, IMT_NONE},
    /* PZI_TRUNC */
    {2, IMT_NONE},
    /* PZI_ADD */
    {1, IMT_NONE},
    /* PZI_SUB */
    {1, IMT_NONE},
    /* PZI_MUL */
    {1, IMT_NONE},
    /* PZI_DIV */
    {1, IMT_NONE},
    /* PZI_MOD */
    {1, IMT_NONE},
    /* PZI_LSHIFT */
    {1, IMT_NONE},
    /* PZI_RSHIFT */
    {1, IMT_NONE},
    /* PZI_AND */
    {1, IMT_NONE},
    /* PZI_OR */
    {1, IMT_NONE},
    /* PZI_XOR */
    {1, IMT_NONE},
    /* PZI_LT_U, PZT_LT_S, PZT_GT_U and PZT_GT_S */
    {1, IMT_NONE},
    {1, IMT_NONE},
    {1, IMT_NONE},
    {1, IMT_NONE},
    /* PZI_EQ */
    {1, IMT_NONE},
    /* PZI_NOT */
    {1, IMT_NONE},
    /* PZI_DROP */
    {0, IMT_NONE},
    /* PZI_ROLL */
    {0, IMT_8},
    /* PZI_PICK */
    {0, IMT_8},
    /* PZI_CALL */
    {0, IMT_CLOSURE_REF},
    /* PZI_CALL_IMPORT */
    {0, IMT_IMPORT_CLOSURE_REF},
    /* PZI_CALL_IND */
    {0, IMT_NONE},
    /* PZI_CALL_PROC */
    {0, IMT_PROC_REF},
    /* PZI_TCALL */
    {0, IMT_CLOSURE_REF},
    /* PZI_TCALL_IMPORT */
    {0, IMT_IMPORT_CLOSURE_REF},
    /* PZI_TCALL_IND */
    {0, IMT_NONE},
    /* PZI_TCALL_PROC */
    {0, IMT_PROC_REF},
    /* PZI_RET */
    {0, IMT_NONE},
    /* PZI_CJMP */
    {1, IMT_LABEL_REF},
    /* PZI_JMP */
    {0, IMT_LABEL_REF},

    /* PZI_ALLOC */
    {0, IMT_STRUCT_REF},
    /* PZI_MAKE_CLOSURE */
    {0, IMT_PROC_REF},
    /* PZI_LOAD */
    {1, IMT_STRUCT_REF_FIELD},
    /* PZI_STORE */
    {1, IMT_STRUCT_REF_FIELD},
    /* PZI_GET_ENV */
    {0, IMT_NONE},

    /* Non-encoded instructions */
    /* PZI_END */
    {0, IMT_NONE},
    /* PZI_CCALL */
    {0, IMT_PROC_REF},
    /* PZI_CCALL_ALLOC */
    {0, IMT_PROC_REF},
    /* PZI_CCALL_SPECIAL */
    {0, IMT_PROC_REF}};

}  // namespace pz