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 <stdarg.h>
25 #include <stdlib.h>
26 #include <stdio.h>
27 #include <string.h>
28 #include <inttypes.h>
29
30 #include "qemu/host-utils.h"
31
32 /* 32-bit helpers */
33
tcg_helper_div_i32(int32_t arg1,int32_t arg2)34 int32_t tcg_helper_div_i32(int32_t arg1, int32_t arg2)
35 {
36 return arg1 / arg2;
37 }
38
tcg_helper_rem_i32(int32_t arg1,int32_t arg2)39 int32_t tcg_helper_rem_i32(int32_t arg1, int32_t arg2)
40 {
41 return arg1 % arg2;
42 }
43
tcg_helper_divu_i32(uint32_t arg1,uint32_t arg2)44 uint32_t tcg_helper_divu_i32(uint32_t arg1, uint32_t arg2)
45 {
46 return arg1 / arg2;
47 }
48
tcg_helper_remu_i32(uint32_t arg1,uint32_t arg2)49 uint32_t tcg_helper_remu_i32(uint32_t arg1, uint32_t arg2)
50 {
51 return arg1 % arg2;
52 }
53
54 /* 64-bit helpers */
55
tcg_helper_shl_i64(int64_t arg1,int64_t arg2)56 int64_t tcg_helper_shl_i64(int64_t arg1, int64_t arg2)
57 {
58 return arg1 << arg2;
59 }
60
tcg_helper_shr_i64(int64_t arg1,int64_t arg2)61 int64_t tcg_helper_shr_i64(int64_t arg1, int64_t arg2)
62 {
63 return (uint64_t)arg1 >> arg2;
64 }
65
tcg_helper_sar_i64(int64_t arg1,int64_t arg2)66 int64_t tcg_helper_sar_i64(int64_t arg1, int64_t arg2)
67 {
68 return arg1 >> arg2;
69 }
70
tcg_helper_div_i64(int64_t arg1,int64_t arg2)71 int64_t tcg_helper_div_i64(int64_t arg1, int64_t arg2)
72 {
73 return arg1 / arg2;
74 }
75
tcg_helper_rem_i64(int64_t arg1,int64_t arg2)76 int64_t tcg_helper_rem_i64(int64_t arg1, int64_t arg2)
77 {
78 return arg1 % arg2;
79 }
80
tcg_helper_divu_i64(uint64_t arg1,uint64_t arg2)81 uint64_t tcg_helper_divu_i64(uint64_t arg1, uint64_t arg2)
82 {
83 return arg1 / arg2;
84 }
85
tcg_helper_remu_i64(uint64_t arg1,uint64_t arg2)86 uint64_t tcg_helper_remu_i64(uint64_t arg1, uint64_t arg2)
87 {
88 return arg1 % arg2;
89 }
90
tcg_helper_muluh_i64(uint64_t arg1,uint64_t arg2)91 uint64_t tcg_helper_muluh_i64(uint64_t arg1, uint64_t arg2)
92 {
93 uint64_t l, h;
94 mulu64(&l, &h, arg1, arg2);
95 return h;
96 }
97
tcg_helper_mulsh_i64(int64_t arg1,int64_t arg2)98 int64_t tcg_helper_mulsh_i64(int64_t arg1, int64_t arg2)
99 {
100 uint64_t l, h;
101 muls64(&l, &h, arg1, arg2);
102 return h;
103 }
104