unicorn/qemu/tcg-runtime.c

/*
 * Tiny Code Generator for QEMU
 *
 * Copyright (c) 2008 Fabrice Bellard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "qemu/osdep.h"
#include "unicorn/platform.h"
#include "qemu/host-utils.h"

/* This file is compiled once, and thus we can't include the standard
   "exec/helper-proto.h", which has includes that are target specific.  */

#include "exec/helper-head.h"

#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
  dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2));

#include "tcg-runtime.h"


/* 32-bit helpers */

int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
{
    return arg1 / arg2;
}

int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
{
    return arg1 % arg2;
}

uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
{
    return arg1 / arg2;
}

uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
{
    return arg1 % arg2;
}

/* 64-bit helpers */

uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
{
    return arg1 << arg2;
}

uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
{
    return arg1 >> arg2;
}

int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
{
    return arg1 >> arg2;
}

int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
{
    return arg1 / arg2;
}

int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
{
    return arg1 % arg2;
}

uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
{
    return arg1 / arg2;
}

uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
{
    return arg1 % arg2;
}

uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
{
    uint64_t l, h;
    mulu64(&l, &h, arg1, arg2);
    return h;
}

int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
{
    uint64_t l, h;
    muls64(&l, &h, arg1, arg2);
    return h;
}