target/arm: Implement VFP fp16 for VABS, VNEG, VSQRT
[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 "exec/tb-lookup.h"
31 #include "disas/disas.h"
32 #include "exec/log.h"
33 #include "tcg/tcg.h"
34
35 /* 32-bit helpers */
36
37 int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
38 {
39 return arg1 / arg2;
40 }
41
42 int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
43 {
44 return arg1 % arg2;
45 }
46
47 uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
48 {
49 return arg1 / arg2;
50 }
51
52 uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
53 {
54 return arg1 % arg2;
55 }
56
57 /* 64-bit helpers */
58
59 uint64_t HELPER(shl_i64)(uint64_t arg1, uint64_t arg2)
60 {
61 return arg1 << arg2;
62 }
63
64 uint64_t HELPER(shr_i64)(uint64_t arg1, uint64_t arg2)
65 {
66 return arg1 >> arg2;
67 }
68
69 int64_t HELPER(sar_i64)(int64_t arg1, int64_t arg2)
70 {
71 return arg1 >> arg2;
72 }
73
74 int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
75 {
76 return arg1 / arg2;
77 }
78
79 int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
80 {
81 return arg1 % arg2;
82 }
83
84 uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
85 {
86 return arg1 / arg2;
87 }
88
89 uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
90 {
91 return arg1 % arg2;
92 }
93
94 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
95 {
96 uint64_t l, h;
97 mulu64(&l, &h, arg1, arg2);
98 return h;
99 }
100
101 int64_t HELPER(mulsh_i64)(int64_t arg1, int64_t arg2)
102 {
103 uint64_t l, h;
104 muls64(&l, &h, arg1, arg2);
105 return h;
106 }
107
108 uint32_t HELPER(clz_i32)(uint32_t arg, uint32_t zero_val)
109 {
110 return arg ? clz32(arg) : zero_val;
111 }
112
113 uint32_t HELPER(ctz_i32)(uint32_t arg, uint32_t zero_val)
114 {
115 return arg ? ctz32(arg) : zero_val;
116 }
117
118 uint64_t HELPER(clz_i64)(uint64_t arg, uint64_t zero_val)
119 {
120 return arg ? clz64(arg) : zero_val;
121 }
122
123 uint64_t HELPER(ctz_i64)(uint64_t arg, uint64_t zero_val)
124 {
125 return arg ? ctz64(arg) : zero_val;
126 }
127
128 uint32_t HELPER(clrsb_i32)(uint32_t arg)
129 {
130 return clrsb32(arg);
131 }
132
133 uint64_t HELPER(clrsb_i64)(uint64_t arg)
134 {
135 return clrsb64(arg);
136 }
137
138 uint32_t HELPER(ctpop_i32)(uint32_t arg)
139 {
140 return ctpop32(arg);
141 }
142
143 uint64_t HELPER(ctpop_i64)(uint64_t arg)
144 {
145 return ctpop64(arg);
146 }
147
148 void *HELPER(lookup_tb_ptr)(CPUArchState *env)
149 {
150 CPUState *cpu = env_cpu(env);
151 TranslationBlock *tb;
152 target_ulong cs_base, pc;
153 uint32_t flags;
154
155 tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, curr_cflags());
156 if (tb == NULL) {
157 return tcg_ctx->code_gen_epilogue;
158 }
159 qemu_log_mask_and_addr(CPU_LOG_EXEC, pc,
160 "Chain %d: %p ["
161 TARGET_FMT_lx "/" TARGET_FMT_lx "/%#x] %s\n",
162 cpu->cpu_index, tb->tc.ptr, cs_base, pc, flags,
163 lookup_symbol(pc));
164 return tb->tc.ptr;
165 }
166
167 void HELPER(exit_atomic)(CPUArchState *env)
168 {
169 cpu_loop_exit_atomic(env_cpu(env), GETPC());
170 }