blob: 83c7a6cc47f30178f7c5991249caaccc501ec956 [file] [log] [blame]
buzbee67bf8852011-08-17 17:51:35 -07001/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "../../Dalvik.h"
18#include "../../CompilerInternals.h"
19#include "ArmLIR.h"
20#include "Codegen.h"
21#include <sys/mman.h> /* for protection change */
22
Elliott Hughes11d1b0c2012-01-23 16:57:47 -080023namespace art {
24
buzbee67bf8852011-08-17 17:51:35 -070025#define MAX_ASSEMBLER_RETRIES 50
26
27/*
28 * opcode: ArmOpcode enum
29 * skeleton: pre-designated bit-pattern for this opcode
30 * k0: key to applying ds/de
31 * ds: dest start bit position
32 * de: dest end bit position
33 * k1: key to applying s1s/s1e
34 * s1s: src1 start bit position
35 * s1e: src1 end bit position
36 * k2: key to applying s2s/s2e
37 * s2s: src2 start bit position
38 * s2e: src2 end bit position
39 * operands: number of operands (for sanity check purposes)
40 * name: mnemonic name
41 * fmt: for pretty-printing
42 */
43#define ENCODING_MAP(opcode, skeleton, k0, ds, de, k1, s1s, s1e, k2, s2s, s2e, \
44 k3, k3s, k3e, flags, name, fmt, size) \
45 {skeleton, {{k0, ds, de}, {k1, s1s, s1e}, {k2, s2s, s2e}, \
46 {k3, k3s, k3e}}, opcode, flags, name, fmt, size}
47
48/* Instruction dump string format keys: !pf, where "!" is the start
49 * of the key, "p" is which numeric operand to use and "f" is the
50 * print format.
51 *
52 * [p]ositions:
53 * 0 -> operands[0] (dest)
54 * 1 -> operands[1] (src1)
55 * 2 -> operands[2] (src2)
56 * 3 -> operands[3] (extra)
57 *
58 * [f]ormats:
59 * h -> 4-digit hex
60 * d -> decimal
61 * E -> decimal*4
62 * F -> decimal*2
63 * c -> branch condition (beq, bne, etc.)
64 * t -> pc-relative target
65 * u -> 1st half of bl[x] target
66 * v -> 2nd half ob bl[x] target
67 * R -> register list
68 * s -> single precision floating point register
69 * S -> double precision floating point register
70 * m -> Thumb2 modified immediate
71 * n -> complimented Thumb2 modified immediate
72 * M -> Thumb2 16-bit zero-extended immediate
73 * b -> 4-digit binary
74 * B -> dmb option string (sy, st, ish, ishst, nsh, hshst)
75 * H -> operand shift
76 * C -> core register name
77 * P -> fp cs register list (base of s16)
78 * Q -> fp cs register list (base of s0)
79 *
80 * [!] escape. To insert "!", use "!!"
81 */
82/* NOTE: must be kept in sync with enum ArmOpcode from ArmLIR.h */
83ArmEncodingMap EncodingMap[kArmLast] = {
84 ENCODING_MAP(kArm16BitData, 0x0000,
85 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
86 kFmtUnused, -1, -1, IS_UNARY_OP, "data", "0x!0h(!0d)", 1),
87 ENCODING_MAP(kThumbAdcRR, 0x4140,
88 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
89 kFmtUnused, -1, -1,
90 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES | USES_CCODES,
91 "adcs", "!0C, !1C", 1),
92 ENCODING_MAP(kThumbAddRRI3, 0x1c00,
93 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
94 kFmtUnused, -1, -1,
95 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
96 "adds", "!0C, !1C, #!2d", 1),
97 ENCODING_MAP(kThumbAddRI8, 0x3000,
98 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
99 kFmtUnused, -1, -1,
100 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,
101 "adds", "!0C, !0C, #!1d", 1),
102 ENCODING_MAP(kThumbAddRRR, 0x1800,
103 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
104 kFmtUnused, -1, -1,
105 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,
106 "adds", "!0C, !1C, !2C", 1),
107 ENCODING_MAP(kThumbAddRRLH, 0x4440,
108 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
109 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
110 "add", "!0C, !1C", 1),
111 ENCODING_MAP(kThumbAddRRHL, 0x4480,
112 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
113 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
114 "add", "!0C, !1C", 1),
115 ENCODING_MAP(kThumbAddRRHH, 0x44c0,
116 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
117 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
118 "add", "!0C, !1C", 1),
119 ENCODING_MAP(kThumbAddPcRel, 0xa000,
120 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
121 kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH,
122 "add", "!0C, pc, #!1E", 1),
123 ENCODING_MAP(kThumbAddSpRel, 0xa800,
124 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
125 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF_SP | REG_USE_SP,
126 "add", "!0C, sp, #!2E", 1),
127 ENCODING_MAP(kThumbAddSpI7, 0xb000,
128 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
129 kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,
130 "add", "sp, #!0d*4", 1),
131 ENCODING_MAP(kThumbAndRR, 0x4000,
132 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
133 kFmtUnused, -1, -1,
134 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
135 "ands", "!0C, !1C", 1),
136 ENCODING_MAP(kThumbAsrRRI5, 0x1000,
137 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
138 kFmtUnused, -1, -1,
139 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
140 "asrs", "!0C, !1C, #!2d", 1),
141 ENCODING_MAP(kThumbAsrRR, 0x4100,
142 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
143 kFmtUnused, -1, -1,
144 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
145 "asrs", "!0C, !1C", 1),
146 ENCODING_MAP(kThumbBCond, 0xd000,
147 kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1,
148 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES,
149 "b!1c", "!0t", 1),
150 ENCODING_MAP(kThumbBUncond, 0xe000,
151 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
152 kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,
153 "b", "!0t", 1),
154 ENCODING_MAP(kThumbBicRR, 0x4380,
155 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
156 kFmtUnused, -1, -1,
157 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
158 "bics", "!0C, !1C", 1),
159 ENCODING_MAP(kThumbBkpt, 0xbe00,
160 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
161 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
162 "bkpt", "!0d", 1),
163 ENCODING_MAP(kThumbBlx1, 0xf000,
164 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
165 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,
166 "blx_1", "!0u", 1),
167 ENCODING_MAP(kThumbBlx2, 0xe800,
168 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
169 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,
170 "blx_2", "!0v", 1),
171 ENCODING_MAP(kThumbBl1, 0xf000,
172 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
173 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,
174 "bl_1", "!0u", 1),
175 ENCODING_MAP(kThumbBl2, 0xf800,
176 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
177 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,
178 "bl_2", "!0v", 1),
179 ENCODING_MAP(kThumbBlxR, 0x4780,
180 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
181 kFmtUnused, -1, -1,
182 IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR,
183 "blx", "!0C", 1),
184 ENCODING_MAP(kThumbBx, 0x4700,
185 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
186 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
187 "bx", "!0C", 1),
188 ENCODING_MAP(kThumbCmnRR, 0x42c0,
189 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
190 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
191 "cmn", "!0C, !1C", 1),
192 ENCODING_MAP(kThumbCmpRI8, 0x2800,
193 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
194 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES,
195 "cmp", "!0C, #!1d", 1),
196 ENCODING_MAP(kThumbCmpRR, 0x4280,
197 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
198 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
199 "cmp", "!0C, !1C", 1),
200 ENCODING_MAP(kThumbCmpLH, 0x4540,
201 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
202 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
203 "cmp", "!0C, !1C", 1),
204 ENCODING_MAP(kThumbCmpHL, 0x4580,
205 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
206 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
207 "cmp", "!0C, !1C", 1),
208 ENCODING_MAP(kThumbCmpHH, 0x45c0,
209 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
210 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
211 "cmp", "!0C, !1C", 1),
212 ENCODING_MAP(kThumbEorRR, 0x4040,
213 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
214 kFmtUnused, -1, -1,
215 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
216 "eors", "!0C, !1C", 1),
217 ENCODING_MAP(kThumbLdmia, 0xc800,
218 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
219 kFmtUnused, -1, -1,
220 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
221 "ldmia", "!0C!!, <!1R>", 1),
222 ENCODING_MAP(kThumbLdrRRI5, 0x6800,
223 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
224 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
225 "ldr", "!0C, [!1C, #!2E]", 1),
226 ENCODING_MAP(kThumbLdrRRR, 0x5800,
227 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
228 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
229 "ldr", "!0C, [!1C, !2C]", 1),
230 ENCODING_MAP(kThumbLdrPcRel, 0x4800,
231 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
232 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC
233 | IS_LOAD, "ldr", "!0C, [pc, #!1E]", 1),
234 ENCODING_MAP(kThumbLdrSpRel, 0x9800,
235 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
236 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_SP
237 | IS_LOAD, "ldr", "!0C, [sp, #!2E]", 1),
238 ENCODING_MAP(kThumbLdrbRRI5, 0x7800,
239 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
240 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
241 "ldrb", "!0C, [!1C, #2d]", 1),
242 ENCODING_MAP(kThumbLdrbRRR, 0x5c00,
243 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
244 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
245 "ldrb", "!0C, [!1C, !2C]", 1),
246 ENCODING_MAP(kThumbLdrhRRI5, 0x8800,
247 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
248 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
249 "ldrh", "!0C, [!1C, #!2F]", 1),
250 ENCODING_MAP(kThumbLdrhRRR, 0x5a00,
251 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
252 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
253 "ldrh", "!0C, [!1C, !2C]", 1),
254 ENCODING_MAP(kThumbLdrsbRRR, 0x5600,
255 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
256 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
257 "ldrsb", "!0C, [!1C, !2C]", 1),
258 ENCODING_MAP(kThumbLdrshRRR, 0x5e00,
259 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
260 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
261 "ldrsh", "!0C, [!1C, !2C]", 1),
262 ENCODING_MAP(kThumbLslRRI5, 0x0000,
263 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
264 kFmtUnused, -1, -1,
265 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
266 "lsls", "!0C, !1C, #!2d", 1),
267 ENCODING_MAP(kThumbLslRR, 0x4080,
268 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
269 kFmtUnused, -1, -1,
270 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
271 "lsls", "!0C, !1C", 1),
272 ENCODING_MAP(kThumbLsrRRI5, 0x0800,
273 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
274 kFmtUnused, -1, -1,
275 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
276 "lsrs", "!0C, !1C, #!2d", 1),
277 ENCODING_MAP(kThumbLsrRR, 0x40c0,
278 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
279 kFmtUnused, -1, -1,
280 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
281 "lsrs", "!0C, !1C", 1),
282 ENCODING_MAP(kThumbMovImm, 0x2000,
283 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
284 kFmtUnused, -1, -1,
285 IS_BINARY_OP | REG_DEF0 | SETS_CCODES,
286 "movs", "!0C, #!1d", 1),
287 ENCODING_MAP(kThumbMovRR, 0x1c00,
288 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
289 kFmtUnused, -1, -1,
290 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
291 "movs", "!0C, !1C", 1),
292 ENCODING_MAP(kThumbMovRR_H2H, 0x46c0,
293 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
294 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
295 "mov", "!0C, !1C", 1),
296 ENCODING_MAP(kThumbMovRR_H2L, 0x4640,
297 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
298 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
299 "mov", "!0C, !1C", 1),
300 ENCODING_MAP(kThumbMovRR_L2H, 0x4680,
301 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
302 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
303 "mov", "!0C, !1C", 1),
304 ENCODING_MAP(kThumbMul, 0x4340,
305 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
306 kFmtUnused, -1, -1,
307 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
308 "muls", "!0C, !1C", 1),
309 ENCODING_MAP(kThumbMvn, 0x43c0,
310 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
311 kFmtUnused, -1, -1,
312 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
313 "mvns", "!0C, !1C", 1),
314 ENCODING_MAP(kThumbNeg, 0x4240,
315 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
316 kFmtUnused, -1, -1,
317 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
318 "negs", "!0C, !1C", 1),
319 ENCODING_MAP(kThumbOrr, 0x4300,
320 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
321 kFmtUnused, -1, -1,
322 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
323 "orrs", "!0C, !1C", 1),
324 ENCODING_MAP(kThumbPop, 0xbc00,
325 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
326 kFmtUnused, -1, -1,
327 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0
328 | IS_LOAD, "pop", "<!0R>", 1),
329 ENCODING_MAP(kThumbPush, 0xb400,
330 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
331 kFmtUnused, -1, -1,
332 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0
333 | IS_STORE, "push", "<!0R>", 1),
334 ENCODING_MAP(kThumbRorRR, 0x41c0,
335 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
336 kFmtUnused, -1, -1,
337 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
338 "rors", "!0C, !1C", 1),
339 ENCODING_MAP(kThumbSbc, 0x4180,
340 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
341 kFmtUnused, -1, -1,
342 IS_BINARY_OP | REG_DEF0_USE01 | USES_CCODES | SETS_CCODES,
343 "sbcs", "!0C, !1C", 1),
344 ENCODING_MAP(kThumbStmia, 0xc000,
345 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
346 kFmtUnused, -1, -1,
347 IS_BINARY_OP | REG_DEF0 | REG_USE0 | REG_USE_LIST1 | IS_STORE,
348 "stmia", "!0C!!, <!1R>", 1),
349 ENCODING_MAP(kThumbStrRRI5, 0x6000,
350 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
351 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
352 "str", "!0C, [!1C, #!2E]", 1),
353 ENCODING_MAP(kThumbStrRRR, 0x5000,
354 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
355 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
356 "str", "!0C, [!1C, !2C]", 1),
357 ENCODING_MAP(kThumbStrSpRel, 0x9000,
358 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
359 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_SP
360 | IS_STORE, "str", "!0C, [sp, #!2E]", 1),
361 ENCODING_MAP(kThumbStrbRRI5, 0x7000,
362 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
363 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
364 "strb", "!0C, [!1C, #!2d]", 1),
365 ENCODING_MAP(kThumbStrbRRR, 0x5400,
366 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
367 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
368 "strb", "!0C, [!1C, !2C]", 1),
369 ENCODING_MAP(kThumbStrhRRI5, 0x8000,
370 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
371 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
372 "strh", "!0C, [!1C, #!2F]", 1),
373 ENCODING_MAP(kThumbStrhRRR, 0x5200,
374 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
375 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
376 "strh", "!0C, [!1C, !2C]", 1),
377 ENCODING_MAP(kThumbSubRRI3, 0x1e00,
378 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
379 kFmtUnused, -1, -1,
380 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
381 "subs", "!0C, !1C, #!2d", 1),
382 ENCODING_MAP(kThumbSubRI8, 0x3800,
383 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
384 kFmtUnused, -1, -1,
385 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,
386 "subs", "!0C, #!1d", 1),
387 ENCODING_MAP(kThumbSubRRR, 0x1a00,
388 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
389 kFmtUnused, -1, -1,
390 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,
391 "subs", "!0C, !1C, !2C", 1),
392 ENCODING_MAP(kThumbSubSpI7, 0xb080,
393 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
394 kFmtUnused, -1, -1,
395 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,
396 "sub", "sp, #!0d*4", 1),
397 ENCODING_MAP(kThumbSwi, 0xdf00,
Ian Rogers408f79a2011-08-23 18:22:33 -0700398 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
399 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
buzbee67bf8852011-08-17 17:51:35 -0700400 "swi", "!0d", 1),
401 ENCODING_MAP(kThumbTst, 0x4200,
402 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
403 kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE01 | SETS_CCODES,
404 "tst", "!0C, !1C", 1),
405 ENCODING_MAP(kThumb2Vldrs, 0xed900a00,
406 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
buzbee4965b662011-11-28 16:06:57 -0800407 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD |
408 REG_DEF_LR, "vldr", "!0s, [!1C, #!2E]", 2),
buzbee67bf8852011-08-17 17:51:35 -0700409 ENCODING_MAP(kThumb2Vldrd, 0xed900b00,
410 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
buzbee4965b662011-11-28 16:06:57 -0800411 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD |
412 REG_DEF_LR, "vldr", "!0S, [!1C, #!2E]", 2),
buzbee67bf8852011-08-17 17:51:35 -0700413 ENCODING_MAP(kThumb2Vmuls, 0xee200a00,
414 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
415 kFmtUnused, -1, -1,
416 IS_TERTIARY_OP | REG_DEF0_USE12,
417 "vmuls", "!0s, !1s, !2s", 2),
418 ENCODING_MAP(kThumb2Vmuld, 0xee200b00,
419 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
420 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
421 "vmuld", "!0S, !1S, !2S", 2),
422 ENCODING_MAP(kThumb2Vstrs, 0xed800a00,
423 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
424 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
425 "vstr", "!0s, [!1C, #!2E]", 2),
426 ENCODING_MAP(kThumb2Vstrd, 0xed800b00,
427 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
428 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
429 "vstr", "!0S, [!1C, #!2E]", 2),
430 ENCODING_MAP(kThumb2Vsubs, 0xee300a40,
431 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
432 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
433 "vsub", "!0s, !1s, !2s", 2),
434 ENCODING_MAP(kThumb2Vsubd, 0xee300b40,
435 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
436 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
437 "vsub", "!0S, !1S, !2S", 2),
438 ENCODING_MAP(kThumb2Vadds, 0xee300a00,
439 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
440 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
441 "vadd", "!0s, !1s, !2s", 2),
442 ENCODING_MAP(kThumb2Vaddd, 0xee300b00,
443 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
444 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
445 "vadd", "!0S, !1S, !2S", 2),
446 ENCODING_MAP(kThumb2Vdivs, 0xee800a00,
447 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
448 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
449 "vdivs", "!0s, !1s, !2s", 2),
450 ENCODING_MAP(kThumb2Vdivd, 0xee800b00,
451 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
452 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
453 "vdivd", "!0S, !1S, !2S", 2),
454 ENCODING_MAP(kThumb2VcvtIF, 0xeeb80ac0,
455 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
456 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
457 "vcvt.f32", "!0s, !1s", 2),
458 ENCODING_MAP(kThumb2VcvtID, 0xeeb80bc0,
459 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
460 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
461 "vcvt.f64", "!0S, !1s", 2),
462 ENCODING_MAP(kThumb2VcvtFI, 0xeebd0ac0,
463 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
464 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
465 "vcvt.s32.f32 ", "!0s, !1s", 2),
466 ENCODING_MAP(kThumb2VcvtDI, 0xeebd0bc0,
467 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
468 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
469 "vcvt.s32.f64 ", "!0s, !1S", 2),
470 ENCODING_MAP(kThumb2VcvtFd, 0xeeb70ac0,
471 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
472 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
473 "vcvt.f64.f32 ", "!0S, !1s", 2),
474 ENCODING_MAP(kThumb2VcvtDF, 0xeeb70bc0,
475 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
476 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
477 "vcvt.f32.f64 ", "!0s, !1S", 2),
478 ENCODING_MAP(kThumb2Vsqrts, 0xeeb10ac0,
479 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
480 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
481 "vsqrt.f32 ", "!0s, !1s", 2),
482 ENCODING_MAP(kThumb2Vsqrtd, 0xeeb10bc0,
483 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
484 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
485 "vsqrt.f64 ", "!0S, !1S", 2),
486 ENCODING_MAP(kThumb2MovImmShift, 0xf04f0000, /* no setflags encoding */
487 kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1,
488 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
489 "mov", "!0C, #!1m", 2),
490 ENCODING_MAP(kThumb2MovImm16, 0xf2400000,
491 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
492 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
493 "mov", "!0C, #!1M", 2),
494 ENCODING_MAP(kThumb2StrRRI12, 0xf8c00000,
495 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
496 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
497 "str", "!0C, [!1C, #!2d]", 2),
498 ENCODING_MAP(kThumb2LdrRRI12, 0xf8d00000,
499 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
500 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
501 "ldr", "!0C, [!1C, #!2d]", 2),
502 ENCODING_MAP(kThumb2StrRRI8Predec, 0xf8400c00,
503 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,
504 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
505 "str", "!0C, [!1C, #-!2d]", 2),
506 ENCODING_MAP(kThumb2LdrRRI8Predec, 0xf8500c00,
507 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,
508 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
509 "ldr", "!0C, [!1C, #-!2d]", 2),
510 ENCODING_MAP(kThumb2Cbnz, 0xb900, /* Note: does not affect flags */
511 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,
512 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,
513 "cbnz", "!0C,!1t", 1),
514 ENCODING_MAP(kThumb2Cbz, 0xb100, /* Note: does not affect flags */
515 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,
516 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,
517 "cbz", "!0C,!1t", 1),
518 ENCODING_MAP(kThumb2AddRRI12, 0xf2000000,
519 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
520 kFmtUnused, -1, -1,
521 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */
522 "add", "!0C,!1C,#!2d", 2),
523 ENCODING_MAP(kThumb2MovRR, 0xea4f0000, /* no setflags encoding */
524 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1,
525 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
526 "mov", "!0C, !1C", 2),
527 ENCODING_MAP(kThumb2Vmovs, 0xeeb00a40,
528 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
529 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
530 "vmov.f32 ", " !0s, !1s", 2),
531 ENCODING_MAP(kThumb2Vmovd, 0xeeb00b40,
532 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
533 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
534 "vmov.f64 ", " !0S, !1S", 2),
535 ENCODING_MAP(kThumb2Ldmia, 0xe8900000,
536 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
537 kFmtUnused, -1, -1,
538 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
539 "ldmia", "!0C!!, <!1R>", 2),
540 ENCODING_MAP(kThumb2Stmia, 0xe8800000,
541 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
542 kFmtUnused, -1, -1,
543 IS_BINARY_OP | REG_DEF0_USE0 | REG_USE_LIST1 | IS_STORE,
544 "stmia", "!0C!!, <!1R>", 2),
545 ENCODING_MAP(kThumb2AddRRR, 0xeb100000, /* setflags encoding */
546 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
547 kFmtShift, -1, -1,
548 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
549 "adds", "!0C, !1C, !2C!3H", 2),
550 ENCODING_MAP(kThumb2SubRRR, 0xebb00000, /* setflags enconding */
551 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
552 kFmtShift, -1, -1,
553 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
554 "subs", "!0C, !1C, !2C!3H", 2),
555 ENCODING_MAP(kThumb2SbcRRR, 0xeb700000, /* setflags encoding */
556 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
557 kFmtShift, -1, -1,
558 IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES | SETS_CCODES,
559 "sbcs", "!0C, !1C, !2C!3H", 2),
560 ENCODING_MAP(kThumb2CmpRR, 0xebb00f00,
561 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
562 kFmtUnused, -1, -1,
563 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,
564 "cmp", "!0C, !1C", 2),
565 ENCODING_MAP(kThumb2SubRRI12, 0xf2a00000,
566 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
567 kFmtUnused, -1, -1,
568 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */
569 "sub", "!0C,!1C,#!2d", 2),
buzbee58f92742011-10-01 11:22:17 -0700570 ENCODING_MAP(kThumb2MvnImm12, 0xf06f0000, /* no setflags encoding */
571 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,
buzbee67bf8852011-08-17 17:51:35 -0700572 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
573 "mvn", "!0C, #!1n", 2),
574 ENCODING_MAP(kThumb2Sel, 0xfaa0f080,
575 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
576 kFmtUnused, -1, -1,
577 IS_TERTIARY_OP | REG_DEF0_USE12 | USES_CCODES,
578 "sel", "!0C, !1C, !2C", 2),
579 ENCODING_MAP(kThumb2Ubfx, 0xf3c00000,
580 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,
581 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
582 "ubfx", "!0C, !1C, #!2d, #!3d", 2),
583 ENCODING_MAP(kThumb2Sbfx, 0xf3400000,
584 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,
585 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
586 "sbfx", "!0C, !1C, #!2d, #!3d", 2),
587 ENCODING_MAP(kThumb2LdrRRR, 0xf8500000,
588 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
589 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
590 "ldr", "!0C, [!1C, !2C, LSL #!3d]", 2),
591 ENCODING_MAP(kThumb2LdrhRRR, 0xf8300000,
592 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
593 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
594 "ldrh", "!0C, [!1C, !2C, LSL #!3d]", 2),
595 ENCODING_MAP(kThumb2LdrshRRR, 0xf9300000,
596 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
597 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
598 "ldrsh", "!0C, [!1C, !2C, LSL #!3d]", 2),
599 ENCODING_MAP(kThumb2LdrbRRR, 0xf8100000,
600 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
601 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
602 "ldrb", "!0C, [!1C, !2C, LSL #!3d]", 2),
603 ENCODING_MAP(kThumb2LdrsbRRR, 0xf9100000,
604 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
605 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
606 "ldrsb", "!0C, [!1C, !2C, LSL #!3d]", 2),
607 ENCODING_MAP(kThumb2StrRRR, 0xf8400000,
608 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
609 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
610 "str", "!0C, [!1C, !2C, LSL #!3d]", 2),
611 ENCODING_MAP(kThumb2StrhRRR, 0xf8200000,
612 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
613 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
614 "strh", "!0C, [!1C, !2C, LSL #!3d]", 2),
615 ENCODING_MAP(kThumb2StrbRRR, 0xf8000000,
616 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
617 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
618 "strb", "!0C, [!1C, !2C, LSL #!3d]", 2),
619 ENCODING_MAP(kThumb2LdrhRRI12, 0xf8b00000,
620 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
621 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
622 "ldrh", "!0C, [!1C, #!2d]", 2),
623 ENCODING_MAP(kThumb2LdrshRRI12, 0xf9b00000,
624 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
625 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
626 "ldrsh", "!0C, [!1C, #!2d]", 2),
627 ENCODING_MAP(kThumb2LdrbRRI12, 0xf8900000,
628 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
629 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
630 "ldrb", "!0C, [!1C, #!2d]", 2),
631 ENCODING_MAP(kThumb2LdrsbRRI12, 0xf9900000,
632 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
633 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
634 "ldrsb", "!0C, [!1C, #!2d]", 2),
635 ENCODING_MAP(kThumb2StrhRRI12, 0xf8a00000,
636 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
637 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
638 "strh", "!0C, [!1C, #!2d]", 2),
639 ENCODING_MAP(kThumb2StrbRRI12, 0xf8800000,
640 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
641 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
642 "strb", "!0C, [!1C, #!2d]", 2),
643 ENCODING_MAP(kThumb2Pop, 0xe8bd0000,
644 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
645 kFmtUnused, -1, -1,
646 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0
647 | IS_LOAD, "pop", "<!0R>", 2),
648 ENCODING_MAP(kThumb2Push, 0xe92d0000,
649 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
650 kFmtUnused, -1, -1,
651 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0
652 | IS_STORE, "push", "<!0R>", 2),
653 ENCODING_MAP(kThumb2CmpRI8, 0xf1b00f00,
654 kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1,
655 kFmtUnused, -1, -1,
656 IS_BINARY_OP | REG_USE0 | SETS_CCODES,
657 "cmp", "!0C, #!1m", 2),
658 ENCODING_MAP(kThumb2AdcRRR, 0xeb500000, /* setflags encoding */
659 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
660 kFmtShift, -1, -1,
661 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
662 "adcs", "!0C, !1C, !2C!3H", 2),
663 ENCODING_MAP(kThumb2AndRRR, 0xea000000,
664 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
665 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
666 "and", "!0C, !1C, !2C!3H", 2),
667 ENCODING_MAP(kThumb2BicRRR, 0xea200000,
668 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
669 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
670 "bic", "!0C, !1C, !2C!3H", 2),
671 ENCODING_MAP(kThumb2CmnRR, 0xeb000000,
672 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
673 kFmtUnused, -1, -1,
674 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
675 "cmn", "!0C, !1C, shift !2d", 2),
676 ENCODING_MAP(kThumb2EorRRR, 0xea800000,
677 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
678 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
679 "eor", "!0C, !1C, !2C!3H", 2),
680 ENCODING_MAP(kThumb2MulRRR, 0xfb00f000,
681 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
682 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
683 "mul", "!0C, !1C, !2C", 2),
684 ENCODING_MAP(kThumb2MnvRR, 0xea6f0000,
685 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
686 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
687 "mvn", "!0C, !1C, shift !2d", 2),
688 ENCODING_MAP(kThumb2RsubRRI8, 0xf1d00000,
689 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
690 kFmtUnused, -1, -1,
691 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
692 "rsb", "!0C,!1C,#!2m", 2),
693 ENCODING_MAP(kThumb2NegRR, 0xf1d00000, /* instance of rsub */
694 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1,
695 kFmtUnused, -1, -1,
696 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
697 "neg", "!0C,!1C", 2),
698 ENCODING_MAP(kThumb2OrrRRR, 0xea400000,
699 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
700 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
701 "orr", "!0C, !1C, !2C!3H", 2),
702 ENCODING_MAP(kThumb2TstRR, 0xea100f00,
703 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
704 kFmtUnused, -1, -1,
705 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,
706 "tst", "!0C, !1C, shift !2d", 2),
707 ENCODING_MAP(kThumb2LslRRR, 0xfa00f000,
708 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
709 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
710 "lsl", "!0C, !1C, !2C", 2),
711 ENCODING_MAP(kThumb2LsrRRR, 0xfa20f000,
712 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
713 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
714 "lsr", "!0C, !1C, !2C", 2),
715 ENCODING_MAP(kThumb2AsrRRR, 0xfa40f000,
716 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
717 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
718 "asr", "!0C, !1C, !2C", 2),
719 ENCODING_MAP(kThumb2RorRRR, 0xfa60f000,
720 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
721 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
722 "ror", "!0C, !1C, !2C", 2),
723 ENCODING_MAP(kThumb2LslRRI5, 0xea4f0000,
724 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
725 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
726 "lsl", "!0C, !1C, #!2d", 2),
727 ENCODING_MAP(kThumb2LsrRRI5, 0xea4f0010,
728 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
729 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
730 "lsr", "!0C, !1C, #!2d", 2),
731 ENCODING_MAP(kThumb2AsrRRI5, 0xea4f0020,
732 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
733 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
734 "asr", "!0C, !1C, #!2d", 2),
735 ENCODING_MAP(kThumb2RorRRI5, 0xea4f0030,
736 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
737 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
738 "ror", "!0C, !1C, #!2d", 2),
739 ENCODING_MAP(kThumb2BicRRI8, 0xf0200000,
740 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
741 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
742 "bic", "!0C, !1C, #!2m", 2),
743 ENCODING_MAP(kThumb2AndRRI8, 0xf0000000,
744 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
745 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
746 "and", "!0C, !1C, #!2m", 2),
747 ENCODING_MAP(kThumb2OrrRRI8, 0xf0400000,
748 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
749 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
750 "orr", "!0C, !1C, #!2m", 2),
751 ENCODING_MAP(kThumb2EorRRI8, 0xf0800000,
752 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
753 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
754 "eor", "!0C, !1C, #!2m", 2),
755 ENCODING_MAP(kThumb2AddRRI8, 0xf1100000,
756 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
757 kFmtUnused, -1, -1,
758 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
759 "adds", "!0C, !1C, #!2m", 2),
760 ENCODING_MAP(kThumb2AdcRRI8, 0xf1500000,
761 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
762 kFmtUnused, -1, -1,
763 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,
764 "adcs", "!0C, !1C, #!2m", 2),
765 ENCODING_MAP(kThumb2SubRRI8, 0xf1b00000,
766 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
767 kFmtUnused, -1, -1,
768 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
769 "subs", "!0C, !1C, #!2m", 2),
770 ENCODING_MAP(kThumb2SbcRRI8, 0xf1700000,
771 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
772 kFmtUnused, -1, -1,
773 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,
774 "sbcs", "!0C, !1C, #!2m", 2),
775 ENCODING_MAP(kThumb2It, 0xbf00,
776 kFmtBitBlt, 7, 4, kFmtBitBlt, 3, 0, kFmtModImm, -1, -1,
777 kFmtUnused, -1, -1, IS_BINARY_OP | IS_IT | USES_CCODES,
778 "it:!1b", "!0c", 1),
779 ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10,
780 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
781 kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES,
782 "fmstat", "", 2),
783 ENCODING_MAP(kThumb2Vcmpd, 0xeeb40b40,
784 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
785 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,
786 "vcmp.f64", "!0S, !1S", 2),
787 ENCODING_MAP(kThumb2Vcmps, 0xeeb40a40,
788 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
789 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,
790 "vcmp.f32", "!0s, !1s", 2),
791 ENCODING_MAP(kThumb2LdrPcRel12, 0xf8df0000,
792 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,
793 kFmtUnused, -1, -1,
794 IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,
795 "ldr", "!0C, [r15pc, #!1d]", 2),
796 ENCODING_MAP(kThumb2BCond, 0xf0008000,
797 kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1,
798 kFmtUnused, -1, -1,
799 IS_BINARY_OP | IS_BRANCH | USES_CCODES,
800 "b!1c", "!0t", 2),
801 ENCODING_MAP(kThumb2Vmovd_RR, 0xeeb00b40,
802 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
803 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
804 "vmov.f64", "!0S, !1S", 2),
805 ENCODING_MAP(kThumb2Vmovs_RR, 0xeeb00a40,
806 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
807 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
808 "vmov.f32", "!0s, !1s", 2),
809 ENCODING_MAP(kThumb2Fmrs, 0xee100a10,
810 kFmtBitBlt, 15, 12, kFmtSfp, 7, 16, kFmtUnused, -1, -1,
811 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
812 "fmrs", "!0C, !1s", 2),
813 ENCODING_MAP(kThumb2Fmsr, 0xee000a10,
814 kFmtSfp, 7, 16, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1,
815 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
816 "fmsr", "!0s, !1C", 2),
817 ENCODING_MAP(kThumb2Fmrrd, 0xec500b10,
818 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtDfp, 5, 0,
819 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01_USE2,
820 "fmrrd", "!0C, !1C, !2S", 2),
821 ENCODING_MAP(kThumb2Fmdrr, 0xec400b10,
822 kFmtDfp, 5, 0, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,
823 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
824 "fmdrr", "!0S, !1C, !2C", 2),
825 ENCODING_MAP(kThumb2Vabsd, 0xeeb00bc0,
826 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
827 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
828 "vabs.f64", "!0S, !1S", 2),
829 ENCODING_MAP(kThumb2Vabss, 0xeeb00ac0,
830 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
831 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
832 "vabs.f32", "!0s, !1s", 2),
833 ENCODING_MAP(kThumb2Vnegd, 0xeeb10b40,
834 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
835 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
836 "vneg.f64", "!0S, !1S", 2),
837 ENCODING_MAP(kThumb2Vnegs, 0xeeb10a40,
838 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
839 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
840 "vneg.f32", "!0s, !1s", 2),
841 ENCODING_MAP(kThumb2Vmovs_IMM8, 0xeeb00a00,
842 kFmtSfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,
843 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
844 "vmov.f32", "!0s, #0x!1h", 2),
845 ENCODING_MAP(kThumb2Vmovd_IMM8, 0xeeb00b00,
846 kFmtDfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,
847 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
848 "vmov.f64", "!0S, #0x!1h", 2),
849 ENCODING_MAP(kThumb2Mla, 0xfb000000,
850 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
851 kFmtBitBlt, 15, 12,
852 IS_QUAD_OP | REG_DEF0 | REG_USE1 | REG_USE2 | REG_USE3,
853 "mla", "!0C, !1C, !2C, !3C", 2),
854 ENCODING_MAP(kThumb2Umull, 0xfba00000,
855 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,
856 kFmtBitBlt, 3, 0,
857 IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3,
858 "umull", "!0C, !1C, !2C, !3C", 2),
859 ENCODING_MAP(kThumb2Ldrex, 0xe8500f00,
860 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
861 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
862 "ldrex", "!0C, [!1C, #!2E]", 2),
863 ENCODING_MAP(kThumb2Strex, 0xe8400000,
864 kFmtBitBlt, 11, 8, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,
865 kFmtBitBlt, 7, 0, IS_QUAD_OP | REG_DEF0_USE12 | IS_STORE,
866 "strex", "!0C,!1C, [!2C, #!2E]", 2),
867 ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f,
868 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
869 kFmtUnused, -1, -1, NO_OPERAND,
870 "clrex", "", 2),
871 ENCODING_MAP(kThumb2Bfi, 0xf3600000,
872 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtShift5, -1, -1,
873 kFmtBitBlt, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
874 "bfi", "!0C,!1C,#!2d,#!3d", 2),
875 ENCODING_MAP(kThumb2Bfc, 0xf36f0000,
876 kFmtBitBlt, 11, 8, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0,
877 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0,
878 "bfc", "!0C,#!1d,#!2d", 2),
879 ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50,
880 kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
881 kFmtUnused, -1, -1, IS_UNARY_OP,
882 "dmb","#!0B",2),
883 ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000,
884 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,
885 kFmtUnused, -1, -1,
886 IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,
887 "ldr", "!0C, [r15pc, -#!1d]", 2),
888 ENCODING_MAP(kThumb2Stm, 0xe9000000,
889 kFmtBitBlt, 19, 16, kFmtBitBlt, 12, 0, kFmtUnused, -1, -1,
890 kFmtUnused, -1, -1,
891 IS_BINARY_OP | REG_USE0 | REG_USE_LIST1 | IS_STORE,
892 "stm", "!0C, <!1R>", 2),
893 ENCODING_MAP(kThumbUndefined, 0xde00,
894 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
895 kFmtUnused, -1, -1, NO_OPERAND,
896 "undefined", "", 1),
897 // NOTE: vpop, vpush hard-encoded for s16+ reg list
898 ENCODING_MAP(kThumb2VPopCS, 0xecbd8a00,
899 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
900 kFmtUnused, -1, -1,
901 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_FPCS_LIST0
902 | IS_LOAD, "vpop", "<!0P>", 2),
903 ENCODING_MAP(kThumb2VPushCS, 0xed2d8a00,
904 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
905 kFmtUnused, -1, -1,
906 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_FPCS_LIST0
907 | IS_STORE, "vpush", "<!0P>", 2),
908 ENCODING_MAP(kThumb2Vldms, 0xec900a00,
909 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,
910 kFmtUnused, -1, -1,
911 IS_TERTIARY_OP | REG_USE0 | REG_DEF_FPCS_LIST2
912 | IS_LOAD, "vldms", "!0C, <!2Q>", 2),
913 ENCODING_MAP(kThumb2Vstms, 0xec800a00,
914 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,
915 kFmtUnused, -1, -1,
916 IS_TERTIARY_OP | REG_USE0 | REG_USE_FPCS_LIST2
917 | IS_STORE, "vstms", "!0C, <!2Q>", 2),
918 ENCODING_MAP(kThumb2BUncond, 0xf0009000,
919 kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
920 kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,
921 "b", "!0t", 2),
922 ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000,
923 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
924 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
925 "movh", "!0C, #!1M", 2),
926 ENCODING_MAP(kThumb2AddPCR, 0x4487,
927 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
928 kFmtUnused, -1, -1,
929 IS_UNARY_OP | REG_USE0 | IS_BRANCH,
930 "add", "rPC, !0C", 1),
buzbee03fa2632011-09-20 17:10:57 -0700931 ENCODING_MAP(kThumb2Adr, 0xf20f0000,
buzbee67bf8852011-08-17 17:51:35 -0700932 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,
933 kFmtUnused, -1, -1,
934 IS_TERTIARY_OP | REG_DEF0,/* Note: doesn't affect flags */
935 "adr", "!0C,#!1d", 2),
936 ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000,
937 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
938 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
939 "mov", "!0C, #!1M", 2),
940 ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000,
941 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
942 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
943 "movh", "!0C, #!1M", 2),
944 ENCODING_MAP(kThumb2LdmiaWB, 0xe8b00000,
945 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
946 kFmtUnused, -1, -1,
947 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
948 "ldmia", "!0C!!, <!1R>", 2),
949 ENCODING_MAP(kThumb2SubsRRI12, 0xf1b00000,
950 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
951 kFmtUnused, -1, -1,
952 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
953 "subs", "!0C,!1C,#!2d", 2),
buzbee58f92742011-10-01 11:22:17 -0700954 ENCODING_MAP(kThumb2OrrRRRs, 0xea500000,
955 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
956 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
957 "orrs", "!0C, !1C, !2C!3H", 2),
buzbeee7070802011-10-09 17:56:06 -0700958 ENCODING_MAP(kThumb2Push1, 0xf84d0d04,
959 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
960 kFmtUnused, -1, -1,
961 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE0
962 | IS_STORE, "push1", "!0C", 2),
963 ENCODING_MAP(kThumb2Pop1, 0xf85d0b04,
964 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
965 kFmtUnused, -1, -1,
966 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF0
967 | IS_LOAD, "pop1", "!0C", 2),
buzbee67bf8852011-08-17 17:51:35 -0700968
969};
970
971/*
972 * The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is
973 * not ready. Since r5FP is not updated often, it is less likely to
974 * generate unnecessary stall cycles.
975 * TUNING: No longer true - find new NOP pattern.
976 */
977#define PADDING_MOV_R5_R5 0x1C2D
978
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800979STATIC void pushWord(std::vector<uint16_t>&buf, int data) {
buzbeec143c552011-08-20 17:38:58 -0700980 buf.push_back( data & 0xffff);
buzbee9e0f9b02011-08-24 15:32:46 -0700981 buf.push_back( (data >> 16) & 0xffff);
buzbeec143c552011-08-20 17:38:58 -0700982}
983
Brian Carlstrome7d856b2012-01-11 18:10:55 -0800984void alignBuffer(std::vector<uint16_t>&buf, size_t offset) {
buzbeec143c552011-08-20 17:38:58 -0700985 while (buf.size() < (offset/2))
986 buf.push_back(0);
987}
988
buzbee67bf8852011-08-17 17:51:35 -0700989/* Write the numbers in the constant to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -0700990STATIC void installLiteralPools(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -0700991{
buzbeec143c552011-08-20 17:38:58 -0700992 alignBuffer(cUnit->codeBuffer, cUnit->dataOffset);
buzbee67bf8852011-08-17 17:51:35 -0700993 ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList;
994 while (dataLIR) {
buzbeec143c552011-08-20 17:38:58 -0700995 pushWord(cUnit->codeBuffer, dataLIR->operands[0]);
buzbee67bf8852011-08-17 17:51:35 -0700996 dataLIR = NEXT_LIR(dataLIR);
997 }
998}
999
1000/* Write the switch tables to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -07001001STATIC void installSwitchTables(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001002{
1003 GrowableListIterator iterator;
1004 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
1005 while (true) {
1006 SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext(
1007 &iterator);
1008 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -07001009 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee67bf8852011-08-17 17:51:35 -07001010 int bxOffset = tabRec->bxInst->generic.offset + 4;
1011 if (cUnit->printMe) {
buzbee9e0f9b02011-08-24 15:32:46 -07001012 LOG(INFO) << "Switch table for offset 0x" << std::hex << bxOffset;
buzbee67bf8852011-08-17 17:51:35 -07001013 }
1014 if (tabRec->table[0] == kSparseSwitchSignature) {
1015 int* keys = (int*)&(tabRec->table[2]);
1016 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1017 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1018 if (cUnit->printMe) {
1019 LOG(INFO) << " Case[" << elems << "] key: 0x" <<
1020 std::hex << keys[elems] << ", disp: 0x" <<
1021 std::hex << disp;
1022 }
buzbeec143c552011-08-20 17:38:58 -07001023 pushWord(cUnit->codeBuffer, keys[elems]);
1024 pushWord(cUnit->codeBuffer,
1025 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001026 }
1027 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001028 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001029 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1030 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1031 if (cUnit->printMe) {
1032 LOG(INFO) << " Case[" << elems << "] disp: 0x" <<
1033 std::hex << disp;
1034 }
buzbeec143c552011-08-20 17:38:58 -07001035 pushWord(cUnit->codeBuffer,
1036 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001037 }
1038 }
1039 }
1040}
1041
1042/* Write the fill array dta to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -07001043STATIC void installFillArrayData(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001044{
1045 GrowableListIterator iterator;
1046 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1047 while (true) {
1048 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1049 &iterator);
1050 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -07001051 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee58f92742011-10-01 11:22:17 -07001052 for (int i = 0; i < ((tabRec->size + 1) / 2) ; i++) {
buzbeee6d61962011-08-27 11:58:19 -07001053 cUnit->codeBuffer.push_back( tabRec->table[i]);
1054 }
buzbee67bf8852011-08-17 17:51:35 -07001055 }
1056}
1057
1058/*
1059 * Assemble the LIR into binary instruction format. Note that we may
1060 * discover that pc-relative displacements may not fit the selected
1061 * instruction.
1062 */
buzbeeed3e9302011-09-23 17:34:19 -07001063STATIC AssemblerStatus assembleInstructions(CompilationUnit* cUnit,
buzbee67bf8852011-08-17 17:51:35 -07001064 intptr_t startAddr)
1065{
buzbee67bf8852011-08-17 17:51:35 -07001066 ArmLIR* lir;
1067 AssemblerStatus res = kSuccess; // Assume success
1068
1069 for (lir = (ArmLIR *) cUnit->firstLIRInsn; lir; lir = NEXT_LIR(lir)) {
1070 if (lir->opcode < 0) {
1071 if ((lir->opcode == kArmPseudoPseudoAlign4) &&
1072 /* 1 means padding is needed */
1073 (lir->operands[0] == 1)) {
buzbeec143c552011-08-20 17:38:58 -07001074 cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5);
buzbee67bf8852011-08-17 17:51:35 -07001075 }
1076 continue;
1077 }
1078
1079 if (lir->flags.isNop) {
1080 continue;
1081 }
1082
1083 /*
1084 * For PC-relative displacements we won't know if the
1085 * selected instruction will work until late (i.e. - now).
1086 * If something doesn't fit, we must replace the short-form
1087 * operation with a longer-form one. Note, though, that this
1088 * can change code we've already processed, so we'll need to
1089 * re-calculate offsets and restart. To limit the number of
1090 * restarts, the entire list will be scanned and patched.
1091 * Of course, the patching itself may cause new overflows so this
1092 * is an iterative process.
1093 */
1094
1095 if (lir->opcode == kThumbLdrPcRel ||
1096 lir->opcode == kThumb2LdrPcRel12 ||
1097 lir->opcode == kThumbAddPcRel ||
buzbee03fa2632011-09-20 17:10:57 -07001098 ((lir->opcode == kThumb2Vldrd) && (lir->operands[1] == r15pc)) ||
buzbee67bf8852011-08-17 17:51:35 -07001099 ((lir->opcode == kThumb2Vldrs) && (lir->operands[1] == r15pc))) {
1100 /*
1101 * PC-relative loads are mostly used to load immediates
1102 * that are too large to materialize directly in one shot.
1103 * However, if the load displacement exceeds the limit,
1104 * we revert to a 2-instruction materialization sequence.
1105 */
1106 ArmLIR *lirTarget = (ArmLIR *) lir->generic.target;
1107 intptr_t pc = (lir->generic.offset + 4) & ~3;
1108 intptr_t target = lirTarget->generic.offset;
1109 int delta = target - pc;
1110 if (delta & 0x3) {
1111 LOG(FATAL) << "PC-rel offset not multiple of 4: " << delta;
1112 }
1113 // First, a sanity check for cases we shouldn't see now
1114 if (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) ||
1115 ((lir->opcode == kThumbLdrPcRel) && (delta > 1020))) {
1116 // Shouldn't happen in current codegen.
1117 LOG(FATAL) << "Unexpected pc-rel offset " << delta;
1118 }
1119 // Now, check for the two difficult cases
buzbee03fa2632011-09-20 17:10:57 -07001120 if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) ||
1121 ((lir->opcode == kThumb2Vldrs) && (delta > 1020)) ||
1122 ((lir->opcode == kThumb2Vldrd) && (delta > 1020))) {
buzbee4965b662011-11-28 16:06:57 -08001123 /*
1124 * Note: because rLR may be used to fix up out-of-range
1125 * vldrs/vldrd we include REG_DEF_LR in the resource
1126 * masks for these instructions.
1127 */
buzbee03fa2632011-09-20 17:10:57 -07001128 int baseReg = (lir->opcode == kThumb2LdrPcRel12) ?
1129 lir->operands[0] : rLR;
1130
1131 // Add new Adr to generate the address
1132 ArmLIR *newAdr =
buzbee67bf8852011-08-17 17:51:35 -07001133 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
buzbee03fa2632011-09-20 17:10:57 -07001134 newAdr->generic.dalvikOffset = lir->generic.dalvikOffset;
1135 newAdr->generic.target = lir->generic.target;
1136 newAdr->opcode = kThumb2Adr;
1137 newAdr->operands[0] = baseReg;
1138 oatSetupResourceMasks(newAdr);
1139 oatInsertLIRBefore((LIR*)lir, (LIR*)newAdr);
1140
1141 // Convert to normal load
1142 if (lir->opcode == kThumb2LdrPcRel12) {
1143 lir->opcode = kThumb2LdrRRI12;
buzbee67bf8852011-08-17 17:51:35 -07001144 }
buzbee03fa2632011-09-20 17:10:57 -07001145 // Change the load to be relative to the new Adr base
1146 lir->operands[1] = baseReg;
1147 lir->operands[2] = 0;
1148 oatSetupResourceMasks(lir);
buzbee67bf8852011-08-17 17:51:35 -07001149 res = kRetryAll;
1150 } else {
buzbee03fa2632011-09-20 17:10:57 -07001151 if ((lir->opcode == kThumb2Vldrs) ||
1152 (lir->opcode == kThumb2Vldrd)) {
buzbee67bf8852011-08-17 17:51:35 -07001153 lir->operands[2] = delta >> 2;
1154 } else {
1155 lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ?
1156 delta : delta >> 2;
1157 }
1158 }
1159 } else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) {
1160 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1161 intptr_t pc = lir->generic.offset + 4;
1162 intptr_t target = targetLIR->generic.offset;
1163 int delta = target - pc;
1164 if (delta > 126 || delta < 0) {
1165 /* Convert to cmp rx,#0 / b[eq/ne] tgt pair */
1166 ArmLIR *newInst =
1167 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1168 /* Make new branch instruction and insert after */
1169 newInst->generic.dalvikOffset = lir->generic.dalvikOffset;
1170 newInst->opcode = kThumbBCond;
1171 newInst->operands[0] = 0;
1172 newInst->operands[1] = (lir->opcode == kThumb2Cbz) ?
1173 kArmCondEq : kArmCondNe;
1174 newInst->generic.target = lir->generic.target;
1175 oatSetupResourceMasks(newInst);
1176 oatInsertLIRAfter((LIR *)lir, (LIR *)newInst);
1177 /* Convert the cb[n]z to a cmp rx, #0 ] */
1178 lir->opcode = kThumbCmpRI8;
1179 /* operand[0] is src1 in both cb[n]z & CmpRI8 */
1180 lir->operands[1] = 0;
1181 lir->generic.target = 0;
1182 oatSetupResourceMasks(lir);
1183 res = kRetryAll;
1184 } else {
1185 lir->operands[1] = delta >> 1;
1186 }
buzbeee7070802011-10-09 17:56:06 -07001187 } else if (lir->opcode == kThumb2Push ||
1188 lir->opcode == kThumb2Pop) {
1189 if (__builtin_popcount(lir->operands[0]) == 1) {
1190 /*
1191 * The standard push/pop multiple instruction
1192 * requires at least two registers in the list.
1193 * If we've got just one, switch to the single-reg
1194 * encoding.
1195 */
1196 lir->opcode = (lir->opcode == kThumb2Push)
1197 ? kThumb2Push1 : kThumb2Pop1;
1198 int reg = 0;
1199 while (lir->operands[0]) {
1200 if (lir->operands[0] & 0x1) {
1201 break;
1202 } else {
1203 reg++;
1204 lir->operands[0] >>= 1;
1205 }
1206 }
1207 lir->operands[0] = reg;
1208 oatSetupResourceMasks(lir);
1209 res = kRetryAll;
1210 }
buzbee67bf8852011-08-17 17:51:35 -07001211 } else if (lir->opcode == kThumbBCond ||
1212 lir->opcode == kThumb2BCond) {
1213 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
buzbee7b1b86d2011-08-26 18:59:10 -07001214 int delta = 0;
buzbeeed3e9302011-09-23 17:34:19 -07001215 DCHECK(targetLIR);
buzbee5ade1d22011-09-09 14:44:52 -07001216 intptr_t pc = lir->generic.offset + 4;
1217 intptr_t target = targetLIR->generic.offset;
1218 delta = target - pc;
1219 if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) {
1220 lir->opcode = kThumb2BCond;
1221 oatSetupResourceMasks(lir);
1222 res = kRetryAll;
buzbee67bf8852011-08-17 17:51:35 -07001223 }
1224 lir->operands[0] = delta >> 1;
1225 } else if (lir->opcode == kThumb2BUncond) {
1226 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1227 intptr_t pc = lir->generic.offset + 4;
1228 intptr_t target = targetLIR->generic.offset;
1229 int delta = target - pc;
1230 lir->operands[0] = delta >> 1;
1231 if (lir->operands[0] == 0) { // Useless branch?
1232 lir->flags.isNop = true;
1233 res = kRetryAll;
1234 }
1235 } else if (lir->opcode == kThumbBUncond) {
1236 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1237 intptr_t pc = lir->generic.offset + 4;
1238 intptr_t target = targetLIR->generic.offset;
1239 int delta = target - pc;
1240 if (delta > 2046 || delta < -2048) {
1241 // Convert to Thumb2BCond w/ kArmCondAl
1242 lir->opcode = kThumb2BUncond;
1243 lir->operands[0] = 0;
1244 oatSetupResourceMasks(lir);
1245 res = kRetryAll;
1246 }
1247 lir->operands[0] = delta >> 1;
1248 if ((lir->operands[0] == 0) ||
1249 (lir->operands[0] == -1)) { // Useless branch?
1250 lir->flags.isNop = true;
1251 res = kRetryAll;
1252 }
1253 } else if (lir->opcode == kThumbBlx1) {
buzbeeed3e9302011-09-23 17:34:19 -07001254 DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2);
buzbee67bf8852011-08-17 17:51:35 -07001255 /* curPC is Thumb */
1256 intptr_t curPC = (startAddr + lir->generic.offset + 4) & ~3;
1257 intptr_t target = lir->operands[1];
1258
1259 /* Match bit[1] in target with base */
1260 if (curPC & 0x2) {
1261 target |= 0x2;
1262 }
1263 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001264 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001265
1266 lir->operands[0] = (delta >> 12) & 0x7ff;
1267 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
1268 } else if (lir->opcode == kThumbBl1) {
buzbeeed3e9302011-09-23 17:34:19 -07001269 DCHECK(NEXT_LIR(lir)->opcode == kThumbBl2);
buzbee67bf8852011-08-17 17:51:35 -07001270 /* Both curPC and target are Thumb */
1271 intptr_t curPC = startAddr + lir->generic.offset + 4;
1272 intptr_t target = lir->operands[1];
1273
1274 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001275 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001276
1277 lir->operands[0] = (delta >> 12) & 0x7ff;
1278 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
buzbee03fa2632011-09-20 17:10:57 -07001279 } else if (lir->opcode == kThumb2Adr) {
buzbee67bf8852011-08-17 17:51:35 -07001280 SwitchTable *tabRec = (SwitchTable*)lir->operands[2];
buzbee03fa2632011-09-20 17:10:57 -07001281 ArmLIR* target = (ArmLIR*)lir->generic.target;
1282 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1283 int disp = targetDisp - ((lir->generic.offset + 4) & ~3);
buzbee67bf8852011-08-17 17:51:35 -07001284 if (disp < 4096) {
1285 lir->operands[1] = disp;
1286 } else {
buzbee03fa2632011-09-20 17:10:57 -07001287 // convert to ldimm16l, ldimm16h, add tgt, pc, operands[0]
buzbee67bf8852011-08-17 17:51:35 -07001288 ArmLIR *newMov16L =
1289 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1290 newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001291 newMov16L->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001292 newMov16L->opcode = kThumb2MovImm16LST;
1293 newMov16L->operands[0] = lir->operands[0];
1294 newMov16L->operands[2] = (intptr_t)lir;
1295 newMov16L->operands[3] = (intptr_t)tabRec;
1296 oatSetupResourceMasks(newMov16L);
1297 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L);
1298 ArmLIR *newMov16H =
1299 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1300 newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001301 newMov16H->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001302 newMov16H->opcode = kThumb2MovImm16HST;
1303 newMov16H->operands[0] = lir->operands[0];
1304 newMov16H->operands[2] = (intptr_t)lir;
1305 newMov16H->operands[3] = (intptr_t)tabRec;
1306 oatSetupResourceMasks(newMov16H);
1307 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H);
1308 lir->opcode = kThumb2AddRRR;
1309 lir->operands[1] = rPC;
1310 lir->operands[2] = lir->operands[0];
1311 oatSetupResourceMasks(lir);
1312 res = kRetryAll;
1313 }
1314 } else if (lir->opcode == kThumb2MovImm16LST) {
1315 // operands[1] should hold disp, [2] has add, [3] has tabRec
1316 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1317 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001318 // If tabRec is null, this is a literal load - use generic.target
1319 ArmLIR* target = (ArmLIR*)lir->generic.target;
1320 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1321 lir->operands[1] = (targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001322 (addPCInst->generic.offset + 4)) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001323 } else if (lir->opcode == kThumb2MovImm16HST) {
1324 // operands[1] should hold disp, [2] has add, [3] has tabRec
1325 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1326 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001327 // If tabRec is null, this is a literal load - use generic.target
1328 ArmLIR* target = (ArmLIR*)lir->generic.target;
1329 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1330 lir->operands[1] = ((targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001331 (addPCInst->generic.offset + 4)) >> 16) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001332 }
1333 ArmEncodingMap *encoder = &EncodingMap[lir->opcode];
1334 u4 bits = encoder->skeleton;
1335 int i;
1336 for (i = 0; i < 4; i++) {
1337 u4 operand;
1338 u4 value;
1339 operand = lir->operands[i];
1340 switch(encoder->fieldLoc[i].kind) {
1341 case kFmtUnused:
1342 break;
1343 case kFmtFPImm:
1344 value = ((operand & 0xF0) >> 4) << encoder->fieldLoc[i].end;
1345 value |= (operand & 0x0F) << encoder->fieldLoc[i].start;
1346 bits |= value;
1347 break;
1348 case kFmtBrOffset:
1349 value = ((operand & 0x80000) >> 19) << 26;
1350 value |= ((operand & 0x40000) >> 18) << 11;
1351 value |= ((operand & 0x20000) >> 17) << 13;
1352 value |= ((operand & 0x1f800) >> 11) << 16;
1353 value |= (operand & 0x007ff);
1354 bits |= value;
1355 break;
1356 case kFmtShift5:
1357 value = ((operand & 0x1c) >> 2) << 12;
1358 value |= (operand & 0x03) << 6;
1359 bits |= value;
1360 break;
1361 case kFmtShift:
1362 value = ((operand & 0x70) >> 4) << 12;
1363 value |= (operand & 0x0f) << 4;
1364 bits |= value;
1365 break;
1366 case kFmtBWidth:
1367 value = operand - 1;
1368 bits |= value;
1369 break;
1370 case kFmtLsb:
1371 value = ((operand & 0x1c) >> 2) << 12;
1372 value |= (operand & 0x03) << 6;
1373 bits |= value;
1374 break;
1375 case kFmtImm6:
1376 value = ((operand & 0x20) >> 5) << 9;
1377 value |= (operand & 0x1f) << 3;
1378 bits |= value;
1379 break;
1380 case kFmtBitBlt:
1381 value = (operand << encoder->fieldLoc[i].start) &
1382 ((1 << (encoder->fieldLoc[i].end + 1)) - 1);
1383 bits |= value;
1384 break;
1385 case kFmtDfp: {
buzbeeed3e9302011-09-23 17:34:19 -07001386 DCHECK(DOUBLEREG(operand));
1387 DCHECK((operand & 0x1) == 0);
buzbee67bf8852011-08-17 17:51:35 -07001388 int regName = (operand & FP_REG_MASK) >> 1;
1389 /* Snag the 1-bit slice and position it */
1390 value = ((regName & 0x10) >> 4) <<
1391 encoder->fieldLoc[i].end;
1392 /* Extract and position the 4-bit slice */
1393 value |= (regName & 0x0f) <<
1394 encoder->fieldLoc[i].start;
1395 bits |= value;
1396 break;
1397 }
1398 case kFmtSfp:
buzbeeed3e9302011-09-23 17:34:19 -07001399 DCHECK(SINGLEREG(operand));
buzbee67bf8852011-08-17 17:51:35 -07001400 /* Snag the 1-bit slice and position it */
1401 value = (operand & 0x1) <<
1402 encoder->fieldLoc[i].end;
1403 /* Extract and position the 4-bit slice */
1404 value |= ((operand & 0x1e) >> 1) <<
1405 encoder->fieldLoc[i].start;
1406 bits |= value;
1407 break;
1408 case kFmtImm12:
1409 case kFmtModImm:
1410 value = ((operand & 0x800) >> 11) << 26;
1411 value |= ((operand & 0x700) >> 8) << 12;
1412 value |= operand & 0x0ff;
1413 bits |= value;
1414 break;
1415 case kFmtImm16:
1416 value = ((operand & 0x0800) >> 11) << 26;
1417 value |= ((operand & 0xf000) >> 12) << 16;
1418 value |= ((operand & 0x0700) >> 8) << 12;
1419 value |= operand & 0x0ff;
1420 bits |= value;
1421 break;
1422 case kFmtOff24: {
1423 u4 signbit = (operand >> 31) & 0x1;
1424 u4 i1 = (operand >> 22) & 0x1;
1425 u4 i2 = (operand >> 21) & 0x1;
1426 u4 imm10 = (operand >> 11) & 0x03ff;
1427 u4 imm11 = operand & 0x07ff;
1428 u4 j1 = (i1 ^ signbit) ? 0 : 1;
1429 u4 j2 = (i2 ^ signbit) ? 0 : 1;
1430 value = (signbit << 26) | (j1 << 13) | (j2 << 11) |
1431 (imm10 << 16) | imm11;
1432 bits |= value;
1433 }
1434 break;
1435 default:
buzbeeed3e9302011-09-23 17:34:19 -07001436 LOG(FATAL) << "Bad fmt:" << (int)encoder->fieldLoc[i].kind;
buzbee67bf8852011-08-17 17:51:35 -07001437 }
1438 }
1439 if (encoder->size == 2) {
buzbeec143c552011-08-20 17:38:58 -07001440 cUnit->codeBuffer.push_back((bits >> 16) & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001441 }
buzbeec143c552011-08-20 17:38:58 -07001442 cUnit->codeBuffer.push_back(bits & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001443 }
1444 return res;
1445}
1446
buzbeeed3e9302011-09-23 17:34:19 -07001447STATIC int assignLiteralOffsetCommon(LIR* lir, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001448{
1449 for (;lir != NULL; lir = lir->next) {
1450 lir->offset = offset;
1451 offset += 4;
1452 }
1453 return offset;
1454}
1455
buzbeeed3e9302011-09-23 17:34:19 -07001456STATIC void createMappingTable(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001457{
1458 ArmLIR* armLIR;
1459 int currentDalvikOffset = -1;
buzbee67bf8852011-08-17 17:51:35 -07001460
1461 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1462 armLIR;
1463 armLIR = NEXT_LIR(armLIR)) {
1464 if ((armLIR->opcode >= 0) && !armLIR->flags.isNop &&
1465 (currentDalvikOffset != armLIR->generic.dalvikOffset)) {
1466 // Changed - need to emit a record
buzbee4ef76522011-09-08 10:00:32 -07001467 cUnit->mappingTable.push_back(armLIR->generic.offset);
1468 cUnit->mappingTable.push_back(armLIR->generic.dalvikOffset);
buzbee67bf8852011-08-17 17:51:35 -07001469 currentDalvikOffset = armLIR->generic.dalvikOffset;
1470 }
1471 }
buzbee67bf8852011-08-17 17:51:35 -07001472}
1473
1474/* Determine the offset of each literal field */
buzbeeed3e9302011-09-23 17:34:19 -07001475STATIC int assignLiteralOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001476{
1477 offset = assignLiteralOffsetCommon(cUnit->literalList, offset);
1478 return offset;
1479}
1480
buzbeeed3e9302011-09-23 17:34:19 -07001481STATIC int assignSwitchTablesOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001482{
1483 GrowableListIterator iterator;
1484 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
1485 while (true) {
1486 SwitchTable *tabRec = (SwitchTable *) oatGrowableListIteratorNext(
1487 &iterator);
1488 if (tabRec == NULL) break;
1489 tabRec->offset = offset;
1490 if (tabRec->table[0] == kSparseSwitchSignature) {
1491 offset += tabRec->table[1] * (sizeof(int) * 2);
1492 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001493 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001494 offset += tabRec->table[1] * sizeof(int);
1495 }
1496 }
1497 return offset;
1498}
1499
buzbeeed3e9302011-09-23 17:34:19 -07001500STATIC int assignFillArrayDataOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001501{
1502 GrowableListIterator iterator;
1503 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1504 while (true) {
1505 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1506 &iterator);
1507 if (tabRec == NULL) break;
1508 tabRec->offset = offset;
1509 offset += tabRec->size;
1510 // word align
1511 offset = (offset + 3) & ~3;
1512 }
1513 return offset;
1514}
1515
1516/*
1517 * Walk the compilation unit and assign offsets to instructions
1518 * and literals and compute the total size of the compiled unit.
1519 */
1520void assignOffsets(CompilationUnit* cUnit)
1521{
1522 ArmLIR* armLIR;
1523 int offset = 0;
1524
1525 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1526 armLIR;
1527 armLIR = NEXT_LIR(armLIR)) {
1528 armLIR->generic.offset = offset;
1529 if (armLIR->opcode >= 0 && !armLIR->flags.isNop) {
1530 armLIR->flags.size = EncodingMap[armLIR->opcode].size * 2;
1531 offset += armLIR->flags.size;
1532 } else if (armLIR->opcode == kArmPseudoPseudoAlign4) {
1533 if (offset & 0x2) {
1534 offset += 2;
1535 armLIR->operands[0] = 1;
1536 } else {
1537 armLIR->operands[0] = 0;
1538 }
1539 }
1540 /* Pseudo opcodes don't consume space */
1541 }
1542
1543 /* Const values have to be word aligned */
1544 offset = (offset + 3) & ~3;
1545
1546 /* Set up offsets for literals */
1547 cUnit->dataOffset = offset;
1548
1549 offset = assignLiteralOffset(cUnit, offset);
1550
1551 offset = assignSwitchTablesOffset(cUnit, offset);
1552
1553 offset = assignFillArrayDataOffset(cUnit, offset);
1554
1555 cUnit->totalSize = offset;
1556}
1557/*
1558 * Go over each instruction in the list and calculate the offset from the top
1559 * before sending them off to the assembler. If out-of-range branch distance is
1560 * seen rearrange the instructions a bit to correct it.
1561 */
1562void oatAssembleLIR(CompilationUnit* cUnit)
1563{
1564 assignOffsets(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001565 /*
1566 * Assemble here. Note that we generate code with optimistic assumptions
1567 * and if found now to work, we'll have to redo the sequence and retry.
1568 */
1569
1570 while (true) {
Brian Carlstrom2e3d1b22012-01-09 18:01:56 -08001571 AssemblerStatus res = assembleInstructions(cUnit, 0);
buzbee67bf8852011-08-17 17:51:35 -07001572 if (res == kSuccess) {
1573 break;
1574 } else {
1575 cUnit->assemblerRetries++;
1576 if (cUnit->assemblerRetries > MAX_ASSEMBLER_RETRIES) {
1577 LOG(FATAL) << "Assembler error - too many retries";
1578 }
1579 // Redo offsets and try again
1580 assignOffsets(cUnit);
buzbeec143c552011-08-20 17:38:58 -07001581 cUnit->codeBuffer.clear();
buzbee67bf8852011-08-17 17:51:35 -07001582 }
1583 }
1584
1585 // Install literals
1586 installLiteralPools(cUnit);
1587
1588 // Install switch tables
1589 installSwitchTables(cUnit);
1590
1591 // Install fill array data
1592 installFillArrayData(cUnit);
1593
1594 /*
1595 * Create the mapping table
1596 */
buzbee4ef76522011-09-08 10:00:32 -07001597 createMappingTable(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001598}
Elliott Hughes11d1b0c2012-01-23 16:57:47 -08001599
1600} // namespace art