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 "qemu/osdep.h"
  25#include "qemu/host-utils.h"
  26
  27/* This file is compiled once, and thus we can't include the standard
  28   "exec/helper-proto.h", which has includes that are target specific.  */
  29
  30#include "exec/helper-head.h"
  31
  32#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
  33  dh_ctype(ret) HELPER(name) (dh_ctype(t1), dh_ctype(t2));
  34
  35#include "tcg-runtime.h"
  36
  37
  38/* 32-bit helpers */
  39
  40int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
  41{
  42    return arg1 / arg2;
  43}
  44
  45int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
  46{
  47    return arg1 % arg2;
  48}
  49
  50uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
  51{
  52    return arg1 / arg2;
  53}
  54
  55uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
  56{
  57    return arg1 % arg2;
  58}
  59
  60/* 64-bit helpers */
  61
  62uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
  63{
  64    return arg1 << arg2;
  65}
  66
  67uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
  68{
  69    return arg1 >> arg2;
  70}
  71
  72int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
  73{
  74    return arg1 >> arg2;
  75}
  76
  77int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
  78{
  79    return arg1 / arg2;
  80}
  81
  82int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
  83{
  84    return arg1 % arg2;
  85}
  86
  87uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
  88{
  89    return arg1 / arg2;
  90}
  91
  92uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
  93{
  94    return arg1 % arg2;
  95}
  96
  97uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
  98{
  99    uint64_t l, h;
 100    mulu64(&l, &h, arg1, arg2);
 101    return h;
 102}
 103
 104int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
 105{
 106    uint64_t l, h;
 107    muls64(&l, &h, arg1, arg2);
 108    return h;
 109}
 110