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
  40 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
  41 {
  42     return arg1 / arg2;
  43 }
  44
  45 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
  46 {
  47     return arg1 % arg2;
  48 }
  49
  50 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
  51 {
  52     return arg1 / arg2;
  53 }
  54
  55 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
  56 {
  57     return arg1 % arg2;
  58 }
  59
  60 /* 64-bit helpers */
  61
  62 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
  63 {
  64     return arg1 << arg2;
  65 }
  66
  67 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
  68 {
  69     return arg1 >> arg2;
  70 }
  71
  72 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
  73 {
  74     return arg1 >> arg2;
  75 }
  76
  77 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
  78 {
  79     return arg1 / arg2;
  80 }
  81
  82 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
  83 {
  84     return arg1 % arg2;
  85 }
  86
  87 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
  88 {
  89     return arg1 / arg2;
  90 }
  91
  92 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
  93 {
  94     return arg1 % arg2;
  95 }
  96
  97 uint64_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
 104 int64_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 }