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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
buzbee67bf8852011-08-17 17:51:35 -070023#define MAX_ASSEMBLER_RETRIES 50
24
25/*
26 * opcode: ArmOpcode enum
27 * skeleton: pre-designated bit-pattern for this opcode
28 * k0: key to applying ds/de
29 * ds: dest start bit position
30 * de: dest end bit position
31 * k1: key to applying s1s/s1e
32 * s1s: src1 start bit position
33 * s1e: src1 end bit position
34 * k2: key to applying s2s/s2e
35 * s2s: src2 start bit position
36 * s2e: src2 end bit position
37 * operands: number of operands (for sanity check purposes)
38 * name: mnemonic name
39 * fmt: for pretty-printing
40 */
41#define ENCODING_MAP(opcode, skeleton, k0, ds, de, k1, s1s, s1e, k2, s2s, s2e, \
42 k3, k3s, k3e, flags, name, fmt, size) \
43 {skeleton, {{k0, ds, de}, {k1, s1s, s1e}, {k2, s2s, s2e}, \
44 {k3, k3s, k3e}}, opcode, flags, name, fmt, size}
45
46/* Instruction dump string format keys: !pf, where "!" is the start
47 * of the key, "p" is which numeric operand to use and "f" is the
48 * print format.
49 *
50 * [p]ositions:
51 * 0 -> operands[0] (dest)
52 * 1 -> operands[1] (src1)
53 * 2 -> operands[2] (src2)
54 * 3 -> operands[3] (extra)
55 *
56 * [f]ormats:
57 * h -> 4-digit hex
58 * d -> decimal
59 * E -> decimal*4
60 * F -> decimal*2
61 * c -> branch condition (beq, bne, etc.)
62 * t -> pc-relative target
63 * u -> 1st half of bl[x] target
64 * v -> 2nd half ob bl[x] target
65 * R -> register list
66 * s -> single precision floating point register
67 * S -> double precision floating point register
68 * m -> Thumb2 modified immediate
69 * n -> complimented Thumb2 modified immediate
70 * M -> Thumb2 16-bit zero-extended immediate
71 * b -> 4-digit binary
72 * B -> dmb option string (sy, st, ish, ishst, nsh, hshst)
73 * H -> operand shift
74 * C -> core register name
75 * P -> fp cs register list (base of s16)
76 * Q -> fp cs register list (base of s0)
77 *
78 * [!] escape. To insert "!", use "!!"
79 */
80/* NOTE: must be kept in sync with enum ArmOpcode from ArmLIR.h */
81ArmEncodingMap EncodingMap[kArmLast] = {
82 ENCODING_MAP(kArm16BitData, 0x0000,
83 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
84 kFmtUnused, -1, -1, IS_UNARY_OP, "data", "0x!0h(!0d)", 1),
85 ENCODING_MAP(kThumbAdcRR, 0x4140,
86 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
87 kFmtUnused, -1, -1,
88 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES | USES_CCODES,
89 "adcs", "!0C, !1C", 1),
90 ENCODING_MAP(kThumbAddRRI3, 0x1c00,
91 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
92 kFmtUnused, -1, -1,
93 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
94 "adds", "!0C, !1C, #!2d", 1),
95 ENCODING_MAP(kThumbAddRI8, 0x3000,
96 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
97 kFmtUnused, -1, -1,
98 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,
99 "adds", "!0C, !0C, #!1d", 1),
100 ENCODING_MAP(kThumbAddRRR, 0x1800,
101 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
102 kFmtUnused, -1, -1,
103 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,
104 "adds", "!0C, !1C, !2C", 1),
105 ENCODING_MAP(kThumbAddRRLH, 0x4440,
106 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
107 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
108 "add", "!0C, !1C", 1),
109 ENCODING_MAP(kThumbAddRRHL, 0x4480,
110 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
111 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
112 "add", "!0C, !1C", 1),
113 ENCODING_MAP(kThumbAddRRHH, 0x44c0,
114 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
115 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,
116 "add", "!0C, !1C", 1),
117 ENCODING_MAP(kThumbAddPcRel, 0xa000,
118 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
119 kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH,
120 "add", "!0C, pc, #!1E", 1),
121 ENCODING_MAP(kThumbAddSpRel, 0xa800,
122 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
123 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF_SP | REG_USE_SP,
124 "add", "!0C, sp, #!2E", 1),
125 ENCODING_MAP(kThumbAddSpI7, 0xb000,
126 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
127 kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,
128 "add", "sp, #!0d*4", 1),
129 ENCODING_MAP(kThumbAndRR, 0x4000,
130 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
131 kFmtUnused, -1, -1,
132 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
133 "ands", "!0C, !1C", 1),
134 ENCODING_MAP(kThumbAsrRRI5, 0x1000,
135 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
136 kFmtUnused, -1, -1,
137 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
138 "asrs", "!0C, !1C, #!2d", 1),
139 ENCODING_MAP(kThumbAsrRR, 0x4100,
140 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
141 kFmtUnused, -1, -1,
142 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
143 "asrs", "!0C, !1C", 1),
144 ENCODING_MAP(kThumbBCond, 0xd000,
145 kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1,
146 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES,
147 "b!1c", "!0t", 1),
148 ENCODING_MAP(kThumbBUncond, 0xe000,
149 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
150 kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,
151 "b", "!0t", 1),
152 ENCODING_MAP(kThumbBicRR, 0x4380,
153 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
154 kFmtUnused, -1, -1,
155 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
156 "bics", "!0C, !1C", 1),
157 ENCODING_MAP(kThumbBkpt, 0xbe00,
158 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
159 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
160 "bkpt", "!0d", 1),
161 ENCODING_MAP(kThumbBlx1, 0xf000,
162 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
163 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,
164 "blx_1", "!0u", 1),
165 ENCODING_MAP(kThumbBlx2, 0xe800,
166 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
167 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,
168 "blx_2", "!0v", 1),
169 ENCODING_MAP(kThumbBl1, 0xf000,
170 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
171 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,
172 "bl_1", "!0u", 1),
173 ENCODING_MAP(kThumbBl2, 0xf800,
174 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
175 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,
176 "bl_2", "!0v", 1),
177 ENCODING_MAP(kThumbBlxR, 0x4780,
178 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
179 kFmtUnused, -1, -1,
180 IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR,
181 "blx", "!0C", 1),
182 ENCODING_MAP(kThumbBx, 0x4700,
183 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
184 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
185 "bx", "!0C", 1),
186 ENCODING_MAP(kThumbCmnRR, 0x42c0,
187 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
188 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
189 "cmn", "!0C, !1C", 1),
190 ENCODING_MAP(kThumbCmpRI8, 0x2800,
191 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
192 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES,
193 "cmp", "!0C, #!1d", 1),
194 ENCODING_MAP(kThumbCmpRR, 0x4280,
195 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
196 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
197 "cmp", "!0C, !1C", 1),
198 ENCODING_MAP(kThumbCmpLH, 0x4540,
199 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
200 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
201 "cmp", "!0C, !1C", 1),
202 ENCODING_MAP(kThumbCmpHL, 0x4580,
203 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
204 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
205 "cmp", "!0C, !1C", 1),
206 ENCODING_MAP(kThumbCmpHH, 0x45c0,
207 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
208 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,
209 "cmp", "!0C, !1C", 1),
210 ENCODING_MAP(kThumbEorRR, 0x4040,
211 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
212 kFmtUnused, -1, -1,
213 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
214 "eors", "!0C, !1C", 1),
215 ENCODING_MAP(kThumbLdmia, 0xc800,
216 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
217 kFmtUnused, -1, -1,
218 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
219 "ldmia", "!0C!!, <!1R>", 1),
220 ENCODING_MAP(kThumbLdrRRI5, 0x6800,
221 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
222 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
223 "ldr", "!0C, [!1C, #!2E]", 1),
224 ENCODING_MAP(kThumbLdrRRR, 0x5800,
225 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
226 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
227 "ldr", "!0C, [!1C, !2C]", 1),
228 ENCODING_MAP(kThumbLdrPcRel, 0x4800,
229 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
230 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC
231 | IS_LOAD, "ldr", "!0C, [pc, #!1E]", 1),
232 ENCODING_MAP(kThumbLdrSpRel, 0x9800,
233 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
234 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_SP
235 | IS_LOAD, "ldr", "!0C, [sp, #!2E]", 1),
236 ENCODING_MAP(kThumbLdrbRRI5, 0x7800,
237 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
238 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
239 "ldrb", "!0C, [!1C, #2d]", 1),
240 ENCODING_MAP(kThumbLdrbRRR, 0x5c00,
241 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
242 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
243 "ldrb", "!0C, [!1C, !2C]", 1),
244 ENCODING_MAP(kThumbLdrhRRI5, 0x8800,
245 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
246 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
247 "ldrh", "!0C, [!1C, #!2F]", 1),
248 ENCODING_MAP(kThumbLdrhRRR, 0x5a00,
249 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
250 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
251 "ldrh", "!0C, [!1C, !2C]", 1),
252 ENCODING_MAP(kThumbLdrsbRRR, 0x5600,
253 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
254 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
255 "ldrsb", "!0C, [!1C, !2C]", 1),
256 ENCODING_MAP(kThumbLdrshRRR, 0x5e00,
257 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
258 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,
259 "ldrsh", "!0C, [!1C, !2C]", 1),
260 ENCODING_MAP(kThumbLslRRI5, 0x0000,
261 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
262 kFmtUnused, -1, -1,
263 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
264 "lsls", "!0C, !1C, #!2d", 1),
265 ENCODING_MAP(kThumbLslRR, 0x4080,
266 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
267 kFmtUnused, -1, -1,
268 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
269 "lsls", "!0C, !1C", 1),
270 ENCODING_MAP(kThumbLsrRRI5, 0x0800,
271 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
272 kFmtUnused, -1, -1,
273 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
274 "lsrs", "!0C, !1C, #!2d", 1),
275 ENCODING_MAP(kThumbLsrRR, 0x40c0,
276 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
277 kFmtUnused, -1, -1,
278 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
279 "lsrs", "!0C, !1C", 1),
280 ENCODING_MAP(kThumbMovImm, 0x2000,
281 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
282 kFmtUnused, -1, -1,
283 IS_BINARY_OP | REG_DEF0 | SETS_CCODES,
284 "movs", "!0C, #!1d", 1),
285 ENCODING_MAP(kThumbMovRR, 0x1c00,
286 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
287 kFmtUnused, -1, -1,
288 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
289 "movs", "!0C, !1C", 1),
290 ENCODING_MAP(kThumbMovRR_H2H, 0x46c0,
291 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
292 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
293 "mov", "!0C, !1C", 1),
294 ENCODING_MAP(kThumbMovRR_H2L, 0x4640,
295 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
296 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
297 "mov", "!0C, !1C", 1),
298 ENCODING_MAP(kThumbMovRR_L2H, 0x4680,
299 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
300 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
301 "mov", "!0C, !1C", 1),
302 ENCODING_MAP(kThumbMul, 0x4340,
303 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
304 kFmtUnused, -1, -1,
305 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
306 "muls", "!0C, !1C", 1),
307 ENCODING_MAP(kThumbMvn, 0x43c0,
308 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
309 kFmtUnused, -1, -1,
310 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
311 "mvns", "!0C, !1C", 1),
312 ENCODING_MAP(kThumbNeg, 0x4240,
313 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
314 kFmtUnused, -1, -1,
315 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
316 "negs", "!0C, !1C", 1),
317 ENCODING_MAP(kThumbOrr, 0x4300,
318 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
319 kFmtUnused, -1, -1,
320 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
321 "orrs", "!0C, !1C", 1),
322 ENCODING_MAP(kThumbPop, 0xbc00,
323 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
324 kFmtUnused, -1, -1,
325 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0
326 | IS_LOAD, "pop", "<!0R>", 1),
327 ENCODING_MAP(kThumbPush, 0xb400,
328 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
329 kFmtUnused, -1, -1,
330 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0
331 | IS_STORE, "push", "<!0R>", 1),
332 ENCODING_MAP(kThumbRorRR, 0x41c0,
333 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
334 kFmtUnused, -1, -1,
335 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,
336 "rors", "!0C, !1C", 1),
337 ENCODING_MAP(kThumbSbc, 0x4180,
338 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
339 kFmtUnused, -1, -1,
340 IS_BINARY_OP | REG_DEF0_USE01 | USES_CCODES | SETS_CCODES,
341 "sbcs", "!0C, !1C", 1),
342 ENCODING_MAP(kThumbStmia, 0xc000,
343 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
344 kFmtUnused, -1, -1,
345 IS_BINARY_OP | REG_DEF0 | REG_USE0 | REG_USE_LIST1 | IS_STORE,
346 "stmia", "!0C!!, <!1R>", 1),
347 ENCODING_MAP(kThumbStrRRI5, 0x6000,
348 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
349 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
350 "str", "!0C, [!1C, #!2E]", 1),
351 ENCODING_MAP(kThumbStrRRR, 0x5000,
352 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
353 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
354 "str", "!0C, [!1C, !2C]", 1),
355 ENCODING_MAP(kThumbStrSpRel, 0x9000,
356 kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,
357 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_SP
358 | IS_STORE, "str", "!0C, [sp, #!2E]", 1),
359 ENCODING_MAP(kThumbStrbRRI5, 0x7000,
360 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
361 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
362 "strb", "!0C, [!1C, #!2d]", 1),
363 ENCODING_MAP(kThumbStrbRRR, 0x5400,
364 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
365 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
366 "strb", "!0C, [!1C, !2C]", 1),
367 ENCODING_MAP(kThumbStrhRRI5, 0x8000,
368 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,
369 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
370 "strh", "!0C, [!1C, #!2F]", 1),
371 ENCODING_MAP(kThumbStrhRRR, 0x5200,
372 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
373 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,
374 "strh", "!0C, [!1C, !2C]", 1),
375 ENCODING_MAP(kThumbSubRRI3, 0x1e00,
376 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
377 kFmtUnused, -1, -1,
378 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
379 "subs", "!0C, !1C, #!2d", 1),
380 ENCODING_MAP(kThumbSubRI8, 0x3800,
381 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
382 kFmtUnused, -1, -1,
383 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,
384 "subs", "!0C, #!1d", 1),
385 ENCODING_MAP(kThumbSubRRR, 0x1a00,
386 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,
387 kFmtUnused, -1, -1,
388 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,
389 "subs", "!0C, !1C, !2C", 1),
390 ENCODING_MAP(kThumbSubSpI7, 0xb080,
391 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
392 kFmtUnused, -1, -1,
393 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,
394 "sub", "sp, #!0d*4", 1),
395 ENCODING_MAP(kThumbSwi, 0xdf00,
Ian Rogers408f79a2011-08-23 18:22:33 -0700396 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
397 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
buzbee67bf8852011-08-17 17:51:35 -0700398 "swi", "!0d", 1),
399 ENCODING_MAP(kThumbTst, 0x4200,
400 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,
401 kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE01 | SETS_CCODES,
402 "tst", "!0C, !1C", 1),
403 ENCODING_MAP(kThumb2Vldrs, 0xed900a00,
404 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
405 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
406 "vldr", "!0s, [!1C, #!2E]", 2),
407 ENCODING_MAP(kThumb2Vldrd, 0xed900b00,
408 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
409 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
410 "vldr", "!0S, [!1C, #!2E]", 2),
411 ENCODING_MAP(kThumb2Vmuls, 0xee200a00,
412 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
413 kFmtUnused, -1, -1,
414 IS_TERTIARY_OP | REG_DEF0_USE12,
415 "vmuls", "!0s, !1s, !2s", 2),
416 ENCODING_MAP(kThumb2Vmuld, 0xee200b00,
417 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
418 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
419 "vmuld", "!0S, !1S, !2S", 2),
420 ENCODING_MAP(kThumb2Vstrs, 0xed800a00,
421 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
422 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
423 "vstr", "!0s, [!1C, #!2E]", 2),
424 ENCODING_MAP(kThumb2Vstrd, 0xed800b00,
425 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
426 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
427 "vstr", "!0S, [!1C, #!2E]", 2),
428 ENCODING_MAP(kThumb2Vsubs, 0xee300a40,
429 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
430 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
431 "vsub", "!0s, !1s, !2s", 2),
432 ENCODING_MAP(kThumb2Vsubd, 0xee300b40,
433 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
434 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
435 "vsub", "!0S, !1S, !2S", 2),
436 ENCODING_MAP(kThumb2Vadds, 0xee300a00,
437 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
438 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
439 "vadd", "!0s, !1s, !2s", 2),
440 ENCODING_MAP(kThumb2Vaddd, 0xee300b00,
441 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
442 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
443 "vadd", "!0S, !1S, !2S", 2),
444 ENCODING_MAP(kThumb2Vdivs, 0xee800a00,
445 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,
446 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
447 "vdivs", "!0s, !1s, !2s", 2),
448 ENCODING_MAP(kThumb2Vdivd, 0xee800b00,
449 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,
450 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
451 "vdivd", "!0S, !1S, !2S", 2),
452 ENCODING_MAP(kThumb2VcvtIF, 0xeeb80ac0,
453 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
454 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
455 "vcvt.f32", "!0s, !1s", 2),
456 ENCODING_MAP(kThumb2VcvtID, 0xeeb80bc0,
457 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
458 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
459 "vcvt.f64", "!0S, !1s", 2),
460 ENCODING_MAP(kThumb2VcvtFI, 0xeebd0ac0,
461 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
462 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
463 "vcvt.s32.f32 ", "!0s, !1s", 2),
464 ENCODING_MAP(kThumb2VcvtDI, 0xeebd0bc0,
465 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
466 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
467 "vcvt.s32.f64 ", "!0s, !1S", 2),
468 ENCODING_MAP(kThumb2VcvtFd, 0xeeb70ac0,
469 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
470 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
471 "vcvt.f64.f32 ", "!0S, !1s", 2),
472 ENCODING_MAP(kThumb2VcvtDF, 0xeeb70bc0,
473 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
474 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
475 "vcvt.f32.f64 ", "!0s, !1S", 2),
476 ENCODING_MAP(kThumb2Vsqrts, 0xeeb10ac0,
477 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
478 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
479 "vsqrt.f32 ", "!0s, !1s", 2),
480 ENCODING_MAP(kThumb2Vsqrtd, 0xeeb10bc0,
481 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
482 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
483 "vsqrt.f64 ", "!0S, !1S", 2),
484 ENCODING_MAP(kThumb2MovImmShift, 0xf04f0000, /* no setflags encoding */
485 kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1,
486 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
487 "mov", "!0C, #!1m", 2),
488 ENCODING_MAP(kThumb2MovImm16, 0xf2400000,
489 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
490 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
491 "mov", "!0C, #!1M", 2),
492 ENCODING_MAP(kThumb2StrRRI12, 0xf8c00000,
493 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
494 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
495 "str", "!0C, [!1C, #!2d]", 2),
496 ENCODING_MAP(kThumb2LdrRRI12, 0xf8d00000,
497 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
498 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
499 "ldr", "!0C, [!1C, #!2d]", 2),
500 ENCODING_MAP(kThumb2StrRRI8Predec, 0xf8400c00,
501 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,
502 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
503 "str", "!0C, [!1C, #-!2d]", 2),
504 ENCODING_MAP(kThumb2LdrRRI8Predec, 0xf8500c00,
505 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,
506 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
507 "ldr", "!0C, [!1C, #-!2d]", 2),
508 ENCODING_MAP(kThumb2Cbnz, 0xb900, /* Note: does not affect flags */
509 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,
510 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,
511 "cbnz", "!0C,!1t", 1),
512 ENCODING_MAP(kThumb2Cbz, 0xb100, /* Note: does not affect flags */
513 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,
514 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,
515 "cbz", "!0C,!1t", 1),
516 ENCODING_MAP(kThumb2AddRRI12, 0xf2000000,
517 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
518 kFmtUnused, -1, -1,
519 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */
520 "add", "!0C,!1C,#!2d", 2),
521 ENCODING_MAP(kThumb2MovRR, 0xea4f0000, /* no setflags encoding */
522 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1,
523 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
524 "mov", "!0C, !1C", 2),
525 ENCODING_MAP(kThumb2Vmovs, 0xeeb00a40,
526 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
527 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
528 "vmov.f32 ", " !0s, !1s", 2),
529 ENCODING_MAP(kThumb2Vmovd, 0xeeb00b40,
530 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
531 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
532 "vmov.f64 ", " !0S, !1S", 2),
533 ENCODING_MAP(kThumb2Ldmia, 0xe8900000,
534 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
535 kFmtUnused, -1, -1,
536 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
537 "ldmia", "!0C!!, <!1R>", 2),
538 ENCODING_MAP(kThumb2Stmia, 0xe8800000,
539 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
540 kFmtUnused, -1, -1,
541 IS_BINARY_OP | REG_DEF0_USE0 | REG_USE_LIST1 | IS_STORE,
542 "stmia", "!0C!!, <!1R>", 2),
543 ENCODING_MAP(kThumb2AddRRR, 0xeb100000, /* setflags encoding */
544 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
545 kFmtShift, -1, -1,
546 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
547 "adds", "!0C, !1C, !2C!3H", 2),
548 ENCODING_MAP(kThumb2SubRRR, 0xebb00000, /* setflags enconding */
549 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
550 kFmtShift, -1, -1,
551 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
552 "subs", "!0C, !1C, !2C!3H", 2),
553 ENCODING_MAP(kThumb2SbcRRR, 0xeb700000, /* setflags encoding */
554 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
555 kFmtShift, -1, -1,
556 IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES | SETS_CCODES,
557 "sbcs", "!0C, !1C, !2C!3H", 2),
558 ENCODING_MAP(kThumb2CmpRR, 0xebb00f00,
559 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
560 kFmtUnused, -1, -1,
561 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,
562 "cmp", "!0C, !1C", 2),
563 ENCODING_MAP(kThumb2SubRRI12, 0xf2a00000,
564 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
565 kFmtUnused, -1, -1,
566 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */
567 "sub", "!0C,!1C,#!2d", 2),
buzbee58f92742011-10-01 11:22:17 -0700568 ENCODING_MAP(kThumb2MvnImm12, 0xf06f0000, /* no setflags encoding */
569 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,
buzbee67bf8852011-08-17 17:51:35 -0700570 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
571 "mvn", "!0C, #!1n", 2),
572 ENCODING_MAP(kThumb2Sel, 0xfaa0f080,
573 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
574 kFmtUnused, -1, -1,
575 IS_TERTIARY_OP | REG_DEF0_USE12 | USES_CCODES,
576 "sel", "!0C, !1C, !2C", 2),
577 ENCODING_MAP(kThumb2Ubfx, 0xf3c00000,
578 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,
579 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
580 "ubfx", "!0C, !1C, #!2d, #!3d", 2),
581 ENCODING_MAP(kThumb2Sbfx, 0xf3400000,
582 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,
583 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
584 "sbfx", "!0C, !1C, #!2d, #!3d", 2),
585 ENCODING_MAP(kThumb2LdrRRR, 0xf8500000,
586 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
587 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
588 "ldr", "!0C, [!1C, !2C, LSL #!3d]", 2),
589 ENCODING_MAP(kThumb2LdrhRRR, 0xf8300000,
590 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
591 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
592 "ldrh", "!0C, [!1C, !2C, LSL #!3d]", 2),
593 ENCODING_MAP(kThumb2LdrshRRR, 0xf9300000,
594 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
595 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
596 "ldrsh", "!0C, [!1C, !2C, LSL #!3d]", 2),
597 ENCODING_MAP(kThumb2LdrbRRR, 0xf8100000,
598 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
599 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
600 "ldrb", "!0C, [!1C, !2C, LSL #!3d]", 2),
601 ENCODING_MAP(kThumb2LdrsbRRR, 0xf9100000,
602 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
603 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,
604 "ldrsb", "!0C, [!1C, !2C, LSL #!3d]", 2),
605 ENCODING_MAP(kThumb2StrRRR, 0xf8400000,
606 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
607 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
608 "str", "!0C, [!1C, !2C, LSL #!3d]", 2),
609 ENCODING_MAP(kThumb2StrhRRR, 0xf8200000,
610 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
611 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
612 "strh", "!0C, [!1C, !2C, LSL #!3d]", 2),
613 ENCODING_MAP(kThumb2StrbRRR, 0xf8000000,
614 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
615 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,
616 "strb", "!0C, [!1C, !2C, LSL #!3d]", 2),
617 ENCODING_MAP(kThumb2LdrhRRI12, 0xf8b00000,
618 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
619 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
620 "ldrh", "!0C, [!1C, #!2d]", 2),
621 ENCODING_MAP(kThumb2LdrshRRI12, 0xf9b00000,
622 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
623 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
624 "ldrsh", "!0C, [!1C, #!2d]", 2),
625 ENCODING_MAP(kThumb2LdrbRRI12, 0xf8900000,
626 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
627 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
628 "ldrb", "!0C, [!1C, #!2d]", 2),
629 ENCODING_MAP(kThumb2LdrsbRRI12, 0xf9900000,
630 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
631 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
632 "ldrsb", "!0C, [!1C, #!2d]", 2),
633 ENCODING_MAP(kThumb2StrhRRI12, 0xf8a00000,
634 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
635 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
636 "strh", "!0C, [!1C, #!2d]", 2),
637 ENCODING_MAP(kThumb2StrbRRI12, 0xf8800000,
638 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,
639 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,
640 "strb", "!0C, [!1C, #!2d]", 2),
641 ENCODING_MAP(kThumb2Pop, 0xe8bd0000,
642 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
643 kFmtUnused, -1, -1,
644 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0
645 | IS_LOAD, "pop", "<!0R>", 2),
646 ENCODING_MAP(kThumb2Push, 0xe92d0000,
647 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
648 kFmtUnused, -1, -1,
649 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0
650 | IS_STORE, "push", "<!0R>", 2),
651 ENCODING_MAP(kThumb2CmpRI8, 0xf1b00f00,
652 kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1,
653 kFmtUnused, -1, -1,
654 IS_BINARY_OP | REG_USE0 | SETS_CCODES,
655 "cmp", "!0C, #!1m", 2),
656 ENCODING_MAP(kThumb2AdcRRR, 0xeb500000, /* setflags encoding */
657 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
658 kFmtShift, -1, -1,
659 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
660 "adcs", "!0C, !1C, !2C!3H", 2),
661 ENCODING_MAP(kThumb2AndRRR, 0xea000000,
662 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
663 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
664 "and", "!0C, !1C, !2C!3H", 2),
665 ENCODING_MAP(kThumb2BicRRR, 0xea200000,
666 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
667 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
668 "bic", "!0C, !1C, !2C!3H", 2),
669 ENCODING_MAP(kThumb2CmnRR, 0xeb000000,
670 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
671 kFmtUnused, -1, -1,
672 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
673 "cmn", "!0C, !1C, shift !2d", 2),
674 ENCODING_MAP(kThumb2EorRRR, 0xea800000,
675 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
676 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
677 "eor", "!0C, !1C, !2C!3H", 2),
678 ENCODING_MAP(kThumb2MulRRR, 0xfb00f000,
679 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
680 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
681 "mul", "!0C, !1C, !2C", 2),
682 ENCODING_MAP(kThumb2MnvRR, 0xea6f0000,
683 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
684 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
685 "mvn", "!0C, !1C, shift !2d", 2),
686 ENCODING_MAP(kThumb2RsubRRI8, 0xf1d00000,
687 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
688 kFmtUnused, -1, -1,
689 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
690 "rsb", "!0C,!1C,#!2m", 2),
691 ENCODING_MAP(kThumb2NegRR, 0xf1d00000, /* instance of rsub */
692 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1,
693 kFmtUnused, -1, -1,
694 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,
695 "neg", "!0C,!1C", 2),
696 ENCODING_MAP(kThumb2OrrRRR, 0xea400000,
697 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
698 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,
699 "orr", "!0C, !1C, !2C!3H", 2),
700 ENCODING_MAP(kThumb2TstRR, 0xea100f00,
701 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,
702 kFmtUnused, -1, -1,
703 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,
704 "tst", "!0C, !1C, shift !2d", 2),
705 ENCODING_MAP(kThumb2LslRRR, 0xfa00f000,
706 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
707 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
708 "lsl", "!0C, !1C, !2C", 2),
709 ENCODING_MAP(kThumb2LsrRRR, 0xfa20f000,
710 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
711 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
712 "lsr", "!0C, !1C, !2C", 2),
713 ENCODING_MAP(kThumb2AsrRRR, 0xfa40f000,
714 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
715 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
716 "asr", "!0C, !1C, !2C", 2),
717 ENCODING_MAP(kThumb2RorRRR, 0xfa60f000,
718 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
719 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
720 "ror", "!0C, !1C, !2C", 2),
721 ENCODING_MAP(kThumb2LslRRI5, 0xea4f0000,
722 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
723 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
724 "lsl", "!0C, !1C, #!2d", 2),
725 ENCODING_MAP(kThumb2LsrRRI5, 0xea4f0010,
726 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
727 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
728 "lsr", "!0C, !1C, #!2d", 2),
729 ENCODING_MAP(kThumb2AsrRRI5, 0xea4f0020,
730 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
731 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
732 "asr", "!0C, !1C, #!2d", 2),
733 ENCODING_MAP(kThumb2RorRRI5, 0xea4f0030,
734 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,
735 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
736 "ror", "!0C, !1C, #!2d", 2),
737 ENCODING_MAP(kThumb2BicRRI8, 0xf0200000,
738 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
739 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
740 "bic", "!0C, !1C, #!2m", 2),
741 ENCODING_MAP(kThumb2AndRRI8, 0xf0000000,
742 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
743 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
744 "and", "!0C, !1C, #!2m", 2),
745 ENCODING_MAP(kThumb2OrrRRI8, 0xf0400000,
746 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
747 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
748 "orr", "!0C, !1C, #!2m", 2),
749 ENCODING_MAP(kThumb2EorRRI8, 0xf0800000,
750 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
751 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,
752 "eor", "!0C, !1C, #!2m", 2),
753 ENCODING_MAP(kThumb2AddRRI8, 0xf1100000,
754 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
755 kFmtUnused, -1, -1,
756 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
757 "adds", "!0C, !1C, #!2m", 2),
758 ENCODING_MAP(kThumb2AdcRRI8, 0xf1500000,
759 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
760 kFmtUnused, -1, -1,
761 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,
762 "adcs", "!0C, !1C, #!2m", 2),
763 ENCODING_MAP(kThumb2SubRRI8, 0xf1b00000,
764 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
765 kFmtUnused, -1, -1,
766 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
767 "subs", "!0C, !1C, #!2m", 2),
768 ENCODING_MAP(kThumb2SbcRRI8, 0xf1700000,
769 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,
770 kFmtUnused, -1, -1,
771 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,
772 "sbcs", "!0C, !1C, #!2m", 2),
773 ENCODING_MAP(kThumb2It, 0xbf00,
774 kFmtBitBlt, 7, 4, kFmtBitBlt, 3, 0, kFmtModImm, -1, -1,
775 kFmtUnused, -1, -1, IS_BINARY_OP | IS_IT | USES_CCODES,
776 "it:!1b", "!0c", 1),
777 ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10,
778 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
779 kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES,
780 "fmstat", "", 2),
781 ENCODING_MAP(kThumb2Vcmpd, 0xeeb40b40,
782 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
783 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,
784 "vcmp.f64", "!0S, !1S", 2),
785 ENCODING_MAP(kThumb2Vcmps, 0xeeb40a40,
786 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
787 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,
788 "vcmp.f32", "!0s, !1s", 2),
789 ENCODING_MAP(kThumb2LdrPcRel12, 0xf8df0000,
790 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,
791 kFmtUnused, -1, -1,
792 IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,
793 "ldr", "!0C, [r15pc, #!1d]", 2),
794 ENCODING_MAP(kThumb2BCond, 0xf0008000,
795 kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1,
796 kFmtUnused, -1, -1,
797 IS_BINARY_OP | IS_BRANCH | USES_CCODES,
798 "b!1c", "!0t", 2),
799 ENCODING_MAP(kThumb2Vmovd_RR, 0xeeb00b40,
800 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
801 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
802 "vmov.f64", "!0S, !1S", 2),
803 ENCODING_MAP(kThumb2Vmovs_RR, 0xeeb00a40,
804 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
805 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
806 "vmov.f32", "!0s, !1s", 2),
807 ENCODING_MAP(kThumb2Fmrs, 0xee100a10,
808 kFmtBitBlt, 15, 12, kFmtSfp, 7, 16, kFmtUnused, -1, -1,
809 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
810 "fmrs", "!0C, !1s", 2),
811 ENCODING_MAP(kThumb2Fmsr, 0xee000a10,
812 kFmtSfp, 7, 16, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1,
813 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
814 "fmsr", "!0s, !1C", 2),
815 ENCODING_MAP(kThumb2Fmrrd, 0xec500b10,
816 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtDfp, 5, 0,
817 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01_USE2,
818 "fmrrd", "!0C, !1C, !2S", 2),
819 ENCODING_MAP(kThumb2Fmdrr, 0xec400b10,
820 kFmtDfp, 5, 0, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,
821 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,
822 "fmdrr", "!0S, !1C, !2C", 2),
823 ENCODING_MAP(kThumb2Vabsd, 0xeeb00bc0,
824 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
825 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
826 "vabs.f64", "!0S, !1S", 2),
827 ENCODING_MAP(kThumb2Vabss, 0xeeb00ac0,
828 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
829 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
830 "vabs.f32", "!0s, !1s", 2),
831 ENCODING_MAP(kThumb2Vnegd, 0xeeb10b40,
832 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,
833 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
834 "vneg.f64", "!0S, !1S", 2),
835 ENCODING_MAP(kThumb2Vnegs, 0xeeb10a40,
836 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,
837 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,
838 "vneg.f32", "!0s, !1s", 2),
839 ENCODING_MAP(kThumb2Vmovs_IMM8, 0xeeb00a00,
840 kFmtSfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,
841 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
842 "vmov.f32", "!0s, #0x!1h", 2),
843 ENCODING_MAP(kThumb2Vmovd_IMM8, 0xeeb00b00,
844 kFmtDfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,
845 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
846 "vmov.f64", "!0S, #0x!1h", 2),
847 ENCODING_MAP(kThumb2Mla, 0xfb000000,
848 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
849 kFmtBitBlt, 15, 12,
850 IS_QUAD_OP | REG_DEF0 | REG_USE1 | REG_USE2 | REG_USE3,
851 "mla", "!0C, !1C, !2C, !3C", 2),
852 ENCODING_MAP(kThumb2Umull, 0xfba00000,
853 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,
854 kFmtBitBlt, 3, 0,
855 IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3,
856 "umull", "!0C, !1C, !2C, !3C", 2),
857 ENCODING_MAP(kThumb2Ldrex, 0xe8500f00,
858 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
859 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,
860 "ldrex", "!0C, [!1C, #!2E]", 2),
861 ENCODING_MAP(kThumb2Strex, 0xe8400000,
862 kFmtBitBlt, 11, 8, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,
863 kFmtBitBlt, 7, 0, IS_QUAD_OP | REG_DEF0_USE12 | IS_STORE,
864 "strex", "!0C,!1C, [!2C, #!2E]", 2),
865 ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f,
866 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
867 kFmtUnused, -1, -1, NO_OPERAND,
868 "clrex", "", 2),
869 ENCODING_MAP(kThumb2Bfi, 0xf3600000,
870 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtShift5, -1, -1,
871 kFmtBitBlt, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,
872 "bfi", "!0C,!1C,#!2d,#!3d", 2),
873 ENCODING_MAP(kThumb2Bfc, 0xf36f0000,
874 kFmtBitBlt, 11, 8, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0,
875 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0,
876 "bfc", "!0C,#!1d,#!2d", 2),
877 ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50,
878 kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
879 kFmtUnused, -1, -1, IS_UNARY_OP,
880 "dmb","#!0B",2),
881 ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000,
882 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,
883 kFmtUnused, -1, -1,
884 IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,
885 "ldr", "!0C, [r15pc, -#!1d]", 2),
886 ENCODING_MAP(kThumb2Stm, 0xe9000000,
887 kFmtBitBlt, 19, 16, kFmtBitBlt, 12, 0, kFmtUnused, -1, -1,
888 kFmtUnused, -1, -1,
889 IS_BINARY_OP | REG_USE0 | REG_USE_LIST1 | IS_STORE,
890 "stm", "!0C, <!1R>", 2),
891 ENCODING_MAP(kThumbUndefined, 0xde00,
892 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
893 kFmtUnused, -1, -1, NO_OPERAND,
894 "undefined", "", 1),
895 // NOTE: vpop, vpush hard-encoded for s16+ reg list
896 ENCODING_MAP(kThumb2VPopCS, 0xecbd8a00,
897 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
898 kFmtUnused, -1, -1,
899 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_FPCS_LIST0
900 | IS_LOAD, "vpop", "<!0P>", 2),
901 ENCODING_MAP(kThumb2VPushCS, 0xed2d8a00,
902 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
903 kFmtUnused, -1, -1,
904 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_FPCS_LIST0
905 | IS_STORE, "vpush", "<!0P>", 2),
906 ENCODING_MAP(kThumb2Vldms, 0xec900a00,
907 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,
908 kFmtUnused, -1, -1,
909 IS_TERTIARY_OP | REG_USE0 | REG_DEF_FPCS_LIST2
910 | IS_LOAD, "vldms", "!0C, <!2Q>", 2),
911 ENCODING_MAP(kThumb2Vstms, 0xec800a00,
912 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,
913 kFmtUnused, -1, -1,
914 IS_TERTIARY_OP | REG_USE0 | REG_USE_FPCS_LIST2
915 | IS_STORE, "vstms", "!0C, <!2Q>", 2),
916 ENCODING_MAP(kThumb2BUncond, 0xf0009000,
917 kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
918 kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,
919 "b", "!0t", 2),
920 ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000,
921 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
922 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
923 "movh", "!0C, #!1M", 2),
924 ENCODING_MAP(kThumb2AddPCR, 0x4487,
925 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
926 kFmtUnused, -1, -1,
927 IS_UNARY_OP | REG_USE0 | IS_BRANCH,
928 "add", "rPC, !0C", 1),
buzbee03fa2632011-09-20 17:10:57 -0700929 ENCODING_MAP(kThumb2Adr, 0xf20f0000,
buzbee67bf8852011-08-17 17:51:35 -0700930 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,
931 kFmtUnused, -1, -1,
932 IS_TERTIARY_OP | REG_DEF0,/* Note: doesn't affect flags */
933 "adr", "!0C,#!1d", 2),
934 ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000,
935 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
936 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
937 "mov", "!0C, #!1M", 2),
938 ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000,
939 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
940 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
941 "movh", "!0C, #!1M", 2),
942 ENCODING_MAP(kThumb2LdmiaWB, 0xe8b00000,
943 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,
944 kFmtUnused, -1, -1,
945 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,
946 "ldmia", "!0C!!, <!1R>", 2),
947 ENCODING_MAP(kThumb2SubsRRI12, 0xf1b00000,
948 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,
949 kFmtUnused, -1, -1,
950 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,
951 "subs", "!0C,!1C,#!2d", 2),
buzbee58f92742011-10-01 11:22:17 -0700952 ENCODING_MAP(kThumb2OrrRRRs, 0xea500000,
953 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
954 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
955 "orrs", "!0C, !1C, !2C!3H", 2),
buzbee67bf8852011-08-17 17:51:35 -0700956
957};
958
959/*
960 * The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is
961 * not ready. Since r5FP is not updated often, it is less likely to
962 * generate unnecessary stall cycles.
963 * TUNING: No longer true - find new NOP pattern.
964 */
965#define PADDING_MOV_R5_R5 0x1C2D
966
buzbeeed3e9302011-09-23 17:34:19 -0700967STATIC void pushWord(std::vector<short>&buf, int data) {
buzbeec143c552011-08-20 17:38:58 -0700968 buf.push_back( data & 0xffff);
buzbee9e0f9b02011-08-24 15:32:46 -0700969 buf.push_back( (data >> 16) & 0xffff);
buzbeec143c552011-08-20 17:38:58 -0700970}
971
972void alignBuffer(std::vector<short>&buf, size_t offset) {
973 while (buf.size() < (offset/2))
974 buf.push_back(0);
975}
976
buzbee67bf8852011-08-17 17:51:35 -0700977/* Write the numbers in the constant to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -0700978STATIC void installLiteralPools(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -0700979{
buzbeec143c552011-08-20 17:38:58 -0700980 alignBuffer(cUnit->codeBuffer, cUnit->dataOffset);
buzbee67bf8852011-08-17 17:51:35 -0700981 ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList;
982 while (dataLIR) {
buzbeec143c552011-08-20 17:38:58 -0700983 pushWord(cUnit->codeBuffer, dataLIR->operands[0]);
buzbee67bf8852011-08-17 17:51:35 -0700984 dataLIR = NEXT_LIR(dataLIR);
985 }
986}
987
988/* Write the switch tables to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -0700989STATIC void installSwitchTables(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -0700990{
991 GrowableListIterator iterator;
992 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
993 while (true) {
994 SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext(
995 &iterator);
996 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -0700997 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee67bf8852011-08-17 17:51:35 -0700998 int bxOffset = tabRec->bxInst->generic.offset + 4;
999 if (cUnit->printMe) {
buzbee9e0f9b02011-08-24 15:32:46 -07001000 LOG(INFO) << "Switch table for offset 0x" << std::hex << bxOffset;
buzbee67bf8852011-08-17 17:51:35 -07001001 }
1002 if (tabRec->table[0] == kSparseSwitchSignature) {
1003 int* keys = (int*)&(tabRec->table[2]);
1004 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1005 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1006 if (cUnit->printMe) {
1007 LOG(INFO) << " Case[" << elems << "] key: 0x" <<
1008 std::hex << keys[elems] << ", disp: 0x" <<
1009 std::hex << disp;
1010 }
buzbeec143c552011-08-20 17:38:58 -07001011 pushWord(cUnit->codeBuffer, keys[elems]);
1012 pushWord(cUnit->codeBuffer,
1013 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001014 }
1015 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001016 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001017 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1018 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1019 if (cUnit->printMe) {
1020 LOG(INFO) << " Case[" << elems << "] disp: 0x" <<
1021 std::hex << disp;
1022 }
buzbeec143c552011-08-20 17:38:58 -07001023 pushWord(cUnit->codeBuffer,
1024 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001025 }
1026 }
1027 }
1028}
1029
1030/* Write the fill array dta to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -07001031STATIC void installFillArrayData(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001032{
1033 GrowableListIterator iterator;
1034 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1035 while (true) {
1036 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1037 &iterator);
1038 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -07001039 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee58f92742011-10-01 11:22:17 -07001040 for (int i = 0; i < ((tabRec->size + 1) / 2) ; i++) {
buzbeee6d61962011-08-27 11:58:19 -07001041 cUnit->codeBuffer.push_back( tabRec->table[i]);
1042 }
buzbee67bf8852011-08-17 17:51:35 -07001043 }
1044}
1045
1046/*
1047 * Assemble the LIR into binary instruction format. Note that we may
1048 * discover that pc-relative displacements may not fit the selected
1049 * instruction.
1050 */
buzbeeed3e9302011-09-23 17:34:19 -07001051STATIC AssemblerStatus assembleInstructions(CompilationUnit* cUnit,
buzbee67bf8852011-08-17 17:51:35 -07001052 intptr_t startAddr)
1053{
buzbee67bf8852011-08-17 17:51:35 -07001054 ArmLIR* lir;
1055 AssemblerStatus res = kSuccess; // Assume success
1056
1057 for (lir = (ArmLIR *) cUnit->firstLIRInsn; lir; lir = NEXT_LIR(lir)) {
1058 if (lir->opcode < 0) {
1059 if ((lir->opcode == kArmPseudoPseudoAlign4) &&
1060 /* 1 means padding is needed */
1061 (lir->operands[0] == 1)) {
buzbeec143c552011-08-20 17:38:58 -07001062 cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5);
buzbee67bf8852011-08-17 17:51:35 -07001063 }
1064 continue;
1065 }
1066
1067 if (lir->flags.isNop) {
1068 continue;
1069 }
1070
1071 /*
1072 * For PC-relative displacements we won't know if the
1073 * selected instruction will work until late (i.e. - now).
1074 * If something doesn't fit, we must replace the short-form
1075 * operation with a longer-form one. Note, though, that this
1076 * can change code we've already processed, so we'll need to
1077 * re-calculate offsets and restart. To limit the number of
1078 * restarts, the entire list will be scanned and patched.
1079 * Of course, the patching itself may cause new overflows so this
1080 * is an iterative process.
1081 */
1082
1083 if (lir->opcode == kThumbLdrPcRel ||
1084 lir->opcode == kThumb2LdrPcRel12 ||
1085 lir->opcode == kThumbAddPcRel ||
buzbee03fa2632011-09-20 17:10:57 -07001086 ((lir->opcode == kThumb2Vldrd) && (lir->operands[1] == r15pc)) ||
buzbee67bf8852011-08-17 17:51:35 -07001087 ((lir->opcode == kThumb2Vldrs) && (lir->operands[1] == r15pc))) {
1088 /*
1089 * PC-relative loads are mostly used to load immediates
1090 * that are too large to materialize directly in one shot.
1091 * However, if the load displacement exceeds the limit,
1092 * we revert to a 2-instruction materialization sequence.
1093 */
1094 ArmLIR *lirTarget = (ArmLIR *) lir->generic.target;
1095 intptr_t pc = (lir->generic.offset + 4) & ~3;
1096 intptr_t target = lirTarget->generic.offset;
1097 int delta = target - pc;
1098 if (delta & 0x3) {
1099 LOG(FATAL) << "PC-rel offset not multiple of 4: " << delta;
1100 }
1101 // First, a sanity check for cases we shouldn't see now
1102 if (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) ||
1103 ((lir->opcode == kThumbLdrPcRel) && (delta > 1020))) {
1104 // Shouldn't happen in current codegen.
1105 LOG(FATAL) << "Unexpected pc-rel offset " << delta;
1106 }
1107 // Now, check for the two difficult cases
buzbee03fa2632011-09-20 17:10:57 -07001108 if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) ||
1109 ((lir->opcode == kThumb2Vldrs) && (delta > 1020)) ||
1110 ((lir->opcode == kThumb2Vldrd) && (delta > 1020))) {
1111 int baseReg = (lir->opcode == kThumb2LdrPcRel12) ?
1112 lir->operands[0] : rLR;
1113
1114 // Add new Adr to generate the address
1115 ArmLIR *newAdr =
buzbee67bf8852011-08-17 17:51:35 -07001116 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
buzbee03fa2632011-09-20 17:10:57 -07001117 newAdr->generic.dalvikOffset = lir->generic.dalvikOffset;
1118 newAdr->generic.target = lir->generic.target;
1119 newAdr->opcode = kThumb2Adr;
1120 newAdr->operands[0] = baseReg;
1121 oatSetupResourceMasks(newAdr);
1122 oatInsertLIRBefore((LIR*)lir, (LIR*)newAdr);
1123
1124 // Convert to normal load
1125 if (lir->opcode == kThumb2LdrPcRel12) {
1126 lir->opcode = kThumb2LdrRRI12;
buzbee67bf8852011-08-17 17:51:35 -07001127 }
buzbee03fa2632011-09-20 17:10:57 -07001128 // Change the load to be relative to the new Adr base
1129 lir->operands[1] = baseReg;
1130 lir->operands[2] = 0;
1131 oatSetupResourceMasks(lir);
buzbee67bf8852011-08-17 17:51:35 -07001132 res = kRetryAll;
1133 } else {
buzbee03fa2632011-09-20 17:10:57 -07001134 if ((lir->opcode == kThumb2Vldrs) ||
1135 (lir->opcode == kThumb2Vldrd)) {
buzbee67bf8852011-08-17 17:51:35 -07001136 lir->operands[2] = delta >> 2;
1137 } else {
1138 lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ?
1139 delta : delta >> 2;
1140 }
1141 }
1142 } else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) {
1143 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1144 intptr_t pc = lir->generic.offset + 4;
1145 intptr_t target = targetLIR->generic.offset;
1146 int delta = target - pc;
1147 if (delta > 126 || delta < 0) {
1148 /* Convert to cmp rx,#0 / b[eq/ne] tgt pair */
1149 ArmLIR *newInst =
1150 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1151 /* Make new branch instruction and insert after */
1152 newInst->generic.dalvikOffset = lir->generic.dalvikOffset;
1153 newInst->opcode = kThumbBCond;
1154 newInst->operands[0] = 0;
1155 newInst->operands[1] = (lir->opcode == kThumb2Cbz) ?
1156 kArmCondEq : kArmCondNe;
1157 newInst->generic.target = lir->generic.target;
1158 oatSetupResourceMasks(newInst);
1159 oatInsertLIRAfter((LIR *)lir, (LIR *)newInst);
1160 /* Convert the cb[n]z to a cmp rx, #0 ] */
1161 lir->opcode = kThumbCmpRI8;
1162 /* operand[0] is src1 in both cb[n]z & CmpRI8 */
1163 lir->operands[1] = 0;
1164 lir->generic.target = 0;
1165 oatSetupResourceMasks(lir);
1166 res = kRetryAll;
1167 } else {
1168 lir->operands[1] = delta >> 1;
1169 }
1170 } else if (lir->opcode == kThumbBCond ||
1171 lir->opcode == kThumb2BCond) {
1172 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
buzbee7b1b86d2011-08-26 18:59:10 -07001173 int delta = 0;
buzbeeed3e9302011-09-23 17:34:19 -07001174 DCHECK(targetLIR);
buzbee5ade1d22011-09-09 14:44:52 -07001175 intptr_t pc = lir->generic.offset + 4;
1176 intptr_t target = targetLIR->generic.offset;
1177 delta = target - pc;
1178 if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) {
1179 lir->opcode = kThumb2BCond;
1180 oatSetupResourceMasks(lir);
1181 res = kRetryAll;
buzbee67bf8852011-08-17 17:51:35 -07001182 }
1183 lir->operands[0] = delta >> 1;
1184 } else if (lir->opcode == kThumb2BUncond) {
1185 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1186 intptr_t pc = lir->generic.offset + 4;
1187 intptr_t target = targetLIR->generic.offset;
1188 int delta = target - pc;
1189 lir->operands[0] = delta >> 1;
1190 if (lir->operands[0] == 0) { // Useless branch?
1191 lir->flags.isNop = true;
1192 res = kRetryAll;
1193 }
1194 } else if (lir->opcode == kThumbBUncond) {
1195 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1196 intptr_t pc = lir->generic.offset + 4;
1197 intptr_t target = targetLIR->generic.offset;
1198 int delta = target - pc;
1199 if (delta > 2046 || delta < -2048) {
1200 // Convert to Thumb2BCond w/ kArmCondAl
1201 lir->opcode = kThumb2BUncond;
1202 lir->operands[0] = 0;
1203 oatSetupResourceMasks(lir);
1204 res = kRetryAll;
1205 }
1206 lir->operands[0] = delta >> 1;
1207 if ((lir->operands[0] == 0) ||
1208 (lir->operands[0] == -1)) { // Useless branch?
1209 lir->flags.isNop = true;
1210 res = kRetryAll;
1211 }
1212 } else if (lir->opcode == kThumbBlx1) {
buzbeeed3e9302011-09-23 17:34:19 -07001213 DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2);
buzbee67bf8852011-08-17 17:51:35 -07001214 /* curPC is Thumb */
1215 intptr_t curPC = (startAddr + lir->generic.offset + 4) & ~3;
1216 intptr_t target = lir->operands[1];
1217
1218 /* Match bit[1] in target with base */
1219 if (curPC & 0x2) {
1220 target |= 0x2;
1221 }
1222 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001223 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001224
1225 lir->operands[0] = (delta >> 12) & 0x7ff;
1226 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
1227 } else if (lir->opcode == kThumbBl1) {
buzbeeed3e9302011-09-23 17:34:19 -07001228 DCHECK(NEXT_LIR(lir)->opcode == kThumbBl2);
buzbee67bf8852011-08-17 17:51:35 -07001229 /* Both curPC and target are Thumb */
1230 intptr_t curPC = startAddr + lir->generic.offset + 4;
1231 intptr_t target = lir->operands[1];
1232
1233 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001234 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001235
1236 lir->operands[0] = (delta >> 12) & 0x7ff;
1237 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
buzbee03fa2632011-09-20 17:10:57 -07001238 } else if (lir->opcode == kThumb2Adr) {
buzbee67bf8852011-08-17 17:51:35 -07001239 SwitchTable *tabRec = (SwitchTable*)lir->operands[2];
buzbee03fa2632011-09-20 17:10:57 -07001240 ArmLIR* target = (ArmLIR*)lir->generic.target;
1241 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1242 int disp = targetDisp - ((lir->generic.offset + 4) & ~3);
buzbee67bf8852011-08-17 17:51:35 -07001243 if (disp < 4096) {
1244 lir->operands[1] = disp;
1245 } else {
buzbee03fa2632011-09-20 17:10:57 -07001246 // convert to ldimm16l, ldimm16h, add tgt, pc, operands[0]
buzbee67bf8852011-08-17 17:51:35 -07001247 ArmLIR *newMov16L =
1248 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1249 newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001250 newMov16L->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001251 newMov16L->opcode = kThumb2MovImm16LST;
1252 newMov16L->operands[0] = lir->operands[0];
1253 newMov16L->operands[2] = (intptr_t)lir;
1254 newMov16L->operands[3] = (intptr_t)tabRec;
1255 oatSetupResourceMasks(newMov16L);
1256 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L);
1257 ArmLIR *newMov16H =
1258 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1259 newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001260 newMov16H->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001261 newMov16H->opcode = kThumb2MovImm16HST;
1262 newMov16H->operands[0] = lir->operands[0];
1263 newMov16H->operands[2] = (intptr_t)lir;
1264 newMov16H->operands[3] = (intptr_t)tabRec;
1265 oatSetupResourceMasks(newMov16H);
1266 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H);
1267 lir->opcode = kThumb2AddRRR;
1268 lir->operands[1] = rPC;
1269 lir->operands[2] = lir->operands[0];
1270 oatSetupResourceMasks(lir);
1271 res = kRetryAll;
1272 }
1273 } else if (lir->opcode == kThumb2MovImm16LST) {
1274 // operands[1] should hold disp, [2] has add, [3] has tabRec
1275 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1276 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001277 // If tabRec is null, this is a literal load - use generic.target
1278 ArmLIR* target = (ArmLIR*)lir->generic.target;
1279 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1280 lir->operands[1] = (targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001281 (addPCInst->generic.offset + 4)) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001282 } else if (lir->opcode == kThumb2MovImm16HST) {
1283 // operands[1] should hold disp, [2] has add, [3] has tabRec
1284 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1285 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001286 // If tabRec is null, this is a literal load - use generic.target
1287 ArmLIR* target = (ArmLIR*)lir->generic.target;
1288 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1289 lir->operands[1] = ((targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001290 (addPCInst->generic.offset + 4)) >> 16) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001291 }
1292 ArmEncodingMap *encoder = &EncodingMap[lir->opcode];
1293 u4 bits = encoder->skeleton;
1294 int i;
1295 for (i = 0; i < 4; i++) {
1296 u4 operand;
1297 u4 value;
1298 operand = lir->operands[i];
1299 switch(encoder->fieldLoc[i].kind) {
1300 case kFmtUnused:
1301 break;
1302 case kFmtFPImm:
1303 value = ((operand & 0xF0) >> 4) << encoder->fieldLoc[i].end;
1304 value |= (operand & 0x0F) << encoder->fieldLoc[i].start;
1305 bits |= value;
1306 break;
1307 case kFmtBrOffset:
1308 value = ((operand & 0x80000) >> 19) << 26;
1309 value |= ((operand & 0x40000) >> 18) << 11;
1310 value |= ((operand & 0x20000) >> 17) << 13;
1311 value |= ((operand & 0x1f800) >> 11) << 16;
1312 value |= (operand & 0x007ff);
1313 bits |= value;
1314 break;
1315 case kFmtShift5:
1316 value = ((operand & 0x1c) >> 2) << 12;
1317 value |= (operand & 0x03) << 6;
1318 bits |= value;
1319 break;
1320 case kFmtShift:
1321 value = ((operand & 0x70) >> 4) << 12;
1322 value |= (operand & 0x0f) << 4;
1323 bits |= value;
1324 break;
1325 case kFmtBWidth:
1326 value = operand - 1;
1327 bits |= value;
1328 break;
1329 case kFmtLsb:
1330 value = ((operand & 0x1c) >> 2) << 12;
1331 value |= (operand & 0x03) << 6;
1332 bits |= value;
1333 break;
1334 case kFmtImm6:
1335 value = ((operand & 0x20) >> 5) << 9;
1336 value |= (operand & 0x1f) << 3;
1337 bits |= value;
1338 break;
1339 case kFmtBitBlt:
1340 value = (operand << encoder->fieldLoc[i].start) &
1341 ((1 << (encoder->fieldLoc[i].end + 1)) - 1);
1342 bits |= value;
1343 break;
1344 case kFmtDfp: {
buzbeeed3e9302011-09-23 17:34:19 -07001345 DCHECK(DOUBLEREG(operand));
1346 DCHECK((operand & 0x1) == 0);
buzbee67bf8852011-08-17 17:51:35 -07001347 int regName = (operand & FP_REG_MASK) >> 1;
1348 /* Snag the 1-bit slice and position it */
1349 value = ((regName & 0x10) >> 4) <<
1350 encoder->fieldLoc[i].end;
1351 /* Extract and position the 4-bit slice */
1352 value |= (regName & 0x0f) <<
1353 encoder->fieldLoc[i].start;
1354 bits |= value;
1355 break;
1356 }
1357 case kFmtSfp:
buzbeeed3e9302011-09-23 17:34:19 -07001358 DCHECK(SINGLEREG(operand));
buzbee67bf8852011-08-17 17:51:35 -07001359 /* Snag the 1-bit slice and position it */
1360 value = (operand & 0x1) <<
1361 encoder->fieldLoc[i].end;
1362 /* Extract and position the 4-bit slice */
1363 value |= ((operand & 0x1e) >> 1) <<
1364 encoder->fieldLoc[i].start;
1365 bits |= value;
1366 break;
1367 case kFmtImm12:
1368 case kFmtModImm:
1369 value = ((operand & 0x800) >> 11) << 26;
1370 value |= ((operand & 0x700) >> 8) << 12;
1371 value |= operand & 0x0ff;
1372 bits |= value;
1373 break;
1374 case kFmtImm16:
1375 value = ((operand & 0x0800) >> 11) << 26;
1376 value |= ((operand & 0xf000) >> 12) << 16;
1377 value |= ((operand & 0x0700) >> 8) << 12;
1378 value |= operand & 0x0ff;
1379 bits |= value;
1380 break;
1381 case kFmtOff24: {
1382 u4 signbit = (operand >> 31) & 0x1;
1383 u4 i1 = (operand >> 22) & 0x1;
1384 u4 i2 = (operand >> 21) & 0x1;
1385 u4 imm10 = (operand >> 11) & 0x03ff;
1386 u4 imm11 = operand & 0x07ff;
1387 u4 j1 = (i1 ^ signbit) ? 0 : 1;
1388 u4 j2 = (i2 ^ signbit) ? 0 : 1;
1389 value = (signbit << 26) | (j1 << 13) | (j2 << 11) |
1390 (imm10 << 16) | imm11;
1391 bits |= value;
1392 }
1393 break;
1394 default:
buzbeeed3e9302011-09-23 17:34:19 -07001395 LOG(FATAL) << "Bad fmt:" << (int)encoder->fieldLoc[i].kind;
buzbee67bf8852011-08-17 17:51:35 -07001396 }
1397 }
1398 if (encoder->size == 2) {
buzbeec143c552011-08-20 17:38:58 -07001399 cUnit->codeBuffer.push_back((bits >> 16) & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001400 }
buzbeec143c552011-08-20 17:38:58 -07001401 cUnit->codeBuffer.push_back(bits & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001402 }
1403 return res;
1404}
1405
buzbeeed3e9302011-09-23 17:34:19 -07001406STATIC int assignLiteralOffsetCommon(LIR* lir, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001407{
1408 for (;lir != NULL; lir = lir->next) {
1409 lir->offset = offset;
1410 offset += 4;
1411 }
1412 return offset;
1413}
1414
buzbeeed3e9302011-09-23 17:34:19 -07001415STATIC void createMappingTable(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001416{
1417 ArmLIR* armLIR;
1418 int currentDalvikOffset = -1;
buzbee67bf8852011-08-17 17:51:35 -07001419
1420 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1421 armLIR;
1422 armLIR = NEXT_LIR(armLIR)) {
1423 if ((armLIR->opcode >= 0) && !armLIR->flags.isNop &&
1424 (currentDalvikOffset != armLIR->generic.dalvikOffset)) {
1425 // Changed - need to emit a record
buzbee4ef76522011-09-08 10:00:32 -07001426 cUnit->mappingTable.push_back(armLIR->generic.offset);
1427 cUnit->mappingTable.push_back(armLIR->generic.dalvikOffset);
buzbee67bf8852011-08-17 17:51:35 -07001428 currentDalvikOffset = armLIR->generic.dalvikOffset;
1429 }
1430 }
buzbee67bf8852011-08-17 17:51:35 -07001431}
1432
1433/* Determine the offset of each literal field */
buzbeeed3e9302011-09-23 17:34:19 -07001434STATIC int assignLiteralOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001435{
1436 offset = assignLiteralOffsetCommon(cUnit->literalList, offset);
1437 return offset;
1438}
1439
buzbeeed3e9302011-09-23 17:34:19 -07001440STATIC int assignSwitchTablesOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001441{
1442 GrowableListIterator iterator;
1443 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
1444 while (true) {
1445 SwitchTable *tabRec = (SwitchTable *) oatGrowableListIteratorNext(
1446 &iterator);
1447 if (tabRec == NULL) break;
1448 tabRec->offset = offset;
1449 if (tabRec->table[0] == kSparseSwitchSignature) {
1450 offset += tabRec->table[1] * (sizeof(int) * 2);
1451 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001452 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001453 offset += tabRec->table[1] * sizeof(int);
1454 }
1455 }
1456 return offset;
1457}
1458
buzbeeed3e9302011-09-23 17:34:19 -07001459STATIC int assignFillArrayDataOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001460{
1461 GrowableListIterator iterator;
1462 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1463 while (true) {
1464 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1465 &iterator);
1466 if (tabRec == NULL) break;
1467 tabRec->offset = offset;
1468 offset += tabRec->size;
1469 // word align
1470 offset = (offset + 3) & ~3;
1471 }
1472 return offset;
1473}
1474
1475/*
1476 * Walk the compilation unit and assign offsets to instructions
1477 * and literals and compute the total size of the compiled unit.
1478 */
1479void assignOffsets(CompilationUnit* cUnit)
1480{
1481 ArmLIR* armLIR;
1482 int offset = 0;
1483
1484 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1485 armLIR;
1486 armLIR = NEXT_LIR(armLIR)) {
1487 armLIR->generic.offset = offset;
1488 if (armLIR->opcode >= 0 && !armLIR->flags.isNop) {
1489 armLIR->flags.size = EncodingMap[armLIR->opcode].size * 2;
1490 offset += armLIR->flags.size;
1491 } else if (armLIR->opcode == kArmPseudoPseudoAlign4) {
1492 if (offset & 0x2) {
1493 offset += 2;
1494 armLIR->operands[0] = 1;
1495 } else {
1496 armLIR->operands[0] = 0;
1497 }
1498 }
1499 /* Pseudo opcodes don't consume space */
1500 }
1501
1502 /* Const values have to be word aligned */
1503 offset = (offset + 3) & ~3;
1504
1505 /* Set up offsets for literals */
1506 cUnit->dataOffset = offset;
1507
1508 offset = assignLiteralOffset(cUnit, offset);
1509
1510 offset = assignSwitchTablesOffset(cUnit, offset);
1511
1512 offset = assignFillArrayDataOffset(cUnit, offset);
1513
1514 cUnit->totalSize = offset;
1515}
1516/*
1517 * Go over each instruction in the list and calculate the offset from the top
1518 * before sending them off to the assembler. If out-of-range branch distance is
1519 * seen rearrange the instructions a bit to correct it.
1520 */
1521void oatAssembleLIR(CompilationUnit* cUnit)
1522{
1523 assignOffsets(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001524 /*
1525 * Assemble here. Note that we generate code with optimistic assumptions
1526 * and if found now to work, we'll have to redo the sequence and retry.
1527 */
1528
1529 while (true) {
1530 AssemblerStatus res = assembleInstructions(cUnit, NULL);
1531 if (res == kSuccess) {
1532 break;
1533 } else {
1534 cUnit->assemblerRetries++;
1535 if (cUnit->assemblerRetries > MAX_ASSEMBLER_RETRIES) {
1536 LOG(FATAL) << "Assembler error - too many retries";
1537 }
1538 // Redo offsets and try again
1539 assignOffsets(cUnit);
buzbeec143c552011-08-20 17:38:58 -07001540 cUnit->codeBuffer.clear();
buzbee67bf8852011-08-17 17:51:35 -07001541 }
1542 }
1543
1544 // Install literals
1545 installLiteralPools(cUnit);
1546
1547 // Install switch tables
1548 installSwitchTables(cUnit);
1549
1550 // Install fill array data
1551 installFillArrayData(cUnit);
1552
1553 /*
1554 * Create the mapping table
1555 */
buzbee4ef76522011-09-08 10:00:32 -07001556 createMappingTable(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001557}