Merge remote-tracking branch 'remotes/stsquad/tags/pull-for-7.0-180122-2' into staging
[qemu.git] / 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
36 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
37 {
38 return arg1 / arg2;
39 }
40
41 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
42 {
43 return arg1 % arg2;
44 }
45
46 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
47 {
48 return arg1 / arg2;
49 }
50
51 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
52 {
53 return arg1 % arg2;
54 }
55
56 /* 64-bit helpers */
57
58 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
59 {
60 return arg1 << arg2;
61 }
62
63 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
64 {
65 return arg1 >> arg2;
66 }
67
68 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
69 {
70 return arg1 >> arg2;
71 }
72
73 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
74 {
75 return arg1 / arg2;
76 }
77
78 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
79 {
80 return arg1 % arg2;
81 }
82
83 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
84 {
85 return arg1 / arg2;
86 }
87
88 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
89 {
90 return arg1 % arg2;
91 }
92
93 uint64_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
100 int64_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
107 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
108 {
109 return arg ? clz32(arg) : zero_val;
110 }
111
112 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
113 {
114 return arg ? ctz32(arg) : zero_val;
115 }
116
117 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
118 {
119 return arg ? clz64(arg) : zero_val;
120 }
121
122 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
123 {
124 return arg ? ctz64(arg) : zero_val;
125 }
126
127 uint32_t HELPER(clrsb_i32)(uint32_t arg)
128 {
129 return clrsb32(arg);
130 }
131
132 uint64_t HELPER(clrsb_i64)(uint64_t arg)
133 {
134 return clrsb64(arg);
135 }
136
137 uint32_t HELPER(ctpop_i32)(uint32_t arg)
138 {
139 return ctpop32(arg);
140 }
141
142 uint64_t HELPER(ctpop_i64)(uint64_t arg)
143 {
144 return ctpop64(arg);
145 }
146
147 void HELPER(exit_atomic)(CPUArchState *env)
148 {
149 cpu_loop_exit_atomic(env_cpu(env), GETPC());
150 }