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
  30 int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2)
  31 {
  32     return arg1 / arg2;
  33 }
  34
  35 int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2)
  36 {
  37     return arg1 % arg2;
  38 }
  39
  40 uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2)
  41 {
  42     return arg1 / arg2;
  43 }
  44
  45 uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2)
  46 {
  47     return arg1 % arg2;
  48 }
  49
  50 /* 64-bit helpers */
  51
  52 int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
  53 {
  54     return arg1 << arg2;
  55 }
  56
  57 int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2)
  58 {
  59     return (uint64_t)arg1 >> arg2;
  60 }
  61
  62 int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2)
  63 {
  64     return arg1 >> arg2;
  65 }
  66
  67 int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2)
  68 {
  69     return arg1 / arg2;
  70 }
  71
  72 int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2)
  73 {
  74     return arg1 % arg2;
  75 }
  76
  77 uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2)
  78 {
  79     return arg1 / arg2;
  80 }
  81
  82 uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2)
  83 {
  84     return arg1 % arg2;
  85 }
  86
  87 uint64_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
  94 int64_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 }