LXR qemu/tcg-runtime.c

   1/*
   2 * Tiny Code Generator for QEMU
   3 *
   4 * Copyright (c) 2008 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24#include <stdint.h>
  25#include "qemu/host-utils.h"
  26#include "tcg/tcg-runtime.h"
  27
  28/* 32-bit helpers */
  29
  30int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2)
  31{
  32    return arg1 / arg2;
  33}
  34
  35int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2)
  36{
  37    return arg1 % arg2;
  38}
  39
  40uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2)
  41{
  42    return arg1 / arg2;
  43}
  44
  45uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2)
  46{
  47    return arg1 % arg2;
  48}
  49
  50/* 64-bit helpers */
  51
  52int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
  53{
  54    return arg1 << arg2;
  55}
  56
  57int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2)
  58{
  59    return (uint64_t)arg1 >> arg2;
  60}
  61
  62int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2)
  63{
  64    return arg1 >> arg2;
  65}
  66
  67int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2)
  68{
  69    return arg1 / arg2;
  70}
  71
  72int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2)
  73{
  74    return arg1 % arg2;
  75}
  76
  77uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2)
  78{
  79    return arg1 / arg2;
  80}
  81
  82uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2)
  83{
  84    return arg1 % arg2;
  85}
  86
  87uint64_t tcg_helper_muluh_i64(uint64_t arg1, uint64_t arg2)
  88{
  89    uint64_t l, h;
  90    mulu64(&l, &h, arg1, arg2);
  91    return h;
  92}
  93
  94int64_t tcg_helper_mulsh_i64(int64_t arg1, int64_t arg2)
  95{
  96    uint64_t l, h;
  97    muls64(&l, &h, arg1, arg2);
  98    return h;
  99}
 100