LXR qemu/accel/tcg/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#include "cpu.h"
  27#include "exec/helper-proto.h"
  28#include "exec/cpu_ldst.h"
  29#include "exec/exec-all.h"
  30#include "disas/disas.h"
  31#include "exec/log.h"
  32#include "tcg/tcg.h"
  33
  34/* 32-bit helpers */
  35
  36int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
  37{
  38    return arg1 / arg2;
  39}
  40
  41int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
  42{
  43    return arg1 % arg2;
  44}
  45
  46uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
  47{
  48    return arg1 / arg2;
  49}
  50
  51uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
  52{
  53    return arg1 % arg2;
  54}
  55
  56/* 64-bit helpers */
  57
  58uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
  59{
  60    return arg1 << arg2;
  61}
  62
  63uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
  64{
  65    return arg1 >> arg2;
  66}
  67
  68int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
  69{
  70    return arg1 >> arg2;
  71}
  72
  73int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
  74{
  75    return arg1 / arg2;
  76}
  77
  78int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
  79{
  80    return arg1 % arg2;
  81}
  82
  83uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
  84{
  85    return arg1 / arg2;
  86}
  87
  88uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
  89{
  90    return arg1 % arg2;
  91}
  92
  93uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
  94{
  95    uint64_t l, h;
  96    mulu64(&l, &h, arg1, arg2);
  97    return h;
  98}
  99
 100int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
 101{
 102    uint64_t l, h;
 103    muls64(&l, &h, arg1, arg2);
 104    return h;
 105}
 106
 107uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
 108{
 109    return arg ? clz32(arg) : zero_val;
 110}
 111
 112uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
 113{
 114    return arg ? ctz32(arg) : zero_val;
 115}
 116
 117uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
 118{
 119    return arg ? clz64(arg) : zero_val;
 120}
 121
 122uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
 123{
 124    return arg ? ctz64(arg) : zero_val;
 125}
 126
 127uint32_t HELPER(clrsb_i32)(uint32_t arg)
 128{
 129    return clrsb32(arg);
 130}
 131
 132uint64_t HELPER(clrsb_i64)(uint64_t arg)
 133{
 134    return clrsb64(arg);
 135}
 136
 137uint32_t HELPER(ctpop_i32)(uint32_t arg)
 138{
 139    return ctpop32(arg);
 140}
 141
 142uint64_t HELPER(ctpop_i64)(uint64_t arg)
 143{
 144    return ctpop64(arg);
 145}
 146
 147void HELPER(exit_atomic)(CPUArchState *env)
 148{
 149    cpu_loop_exit_atomic(env_cpu(env), GETPC());
 150}
 151