blob: 43fb05ea1b6d8c448a694418d83a09f0bbb57121 [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
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,
buzbee4965b662011-11-28 16:06:57 -0800405 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD |
406 REG_DEF_LR, "vldr", "!0s, [!1C, #!2E]", 2),
buzbee67bf8852011-08-17 17:51:35 -0700407 ENCODING_MAP(kThumb2Vldrd, 0xed900b00,
408 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,
buzbee4965b662011-11-28 16:06:57 -0800409 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD |
410 REG_DEF_LR, "vldr", "!0S, [!1C, #!2E]", 2),
buzbee67bf8852011-08-17 17:51:35 -0700411 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),
buzbeee7070802011-10-09 17:56:06 -0700956 ENCODING_MAP(kThumb2Push1, 0xf84d0d04,
957 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
958 kFmtUnused, -1, -1,
959 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE0
960 | IS_STORE, "push1", "!0C", 2),
961 ENCODING_MAP(kThumb2Pop1, 0xf85d0b04,
962 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
963 kFmtUnused, -1, -1,
964 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF0
965 | IS_LOAD, "pop1", "!0C", 2),
buzbee67bf8852011-08-17 17:51:35 -0700966
967};
968
969/*
970 * The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is
971 * not ready. Since r5FP is not updated often, it is less likely to
972 * generate unnecessary stall cycles.
973 * TUNING: No longer true - find new NOP pattern.
974 */
975#define PADDING_MOV_R5_R5 0x1C2D
976
buzbeeed3e9302011-09-23 17:34:19 -0700977STATIC void pushWord(std::vector<short>&buf, int data) {
buzbeec143c552011-08-20 17:38:58 -0700978 buf.push_back( data & 0xffff);
buzbee9e0f9b02011-08-24 15:32:46 -0700979 buf.push_back( (data >> 16) & 0xffff);
buzbeec143c552011-08-20 17:38:58 -0700980}
981
982void alignBuffer(std::vector<short>&buf, size_t offset) {
983 while (buf.size() < (offset/2))
984 buf.push_back(0);
985}
986
buzbee67bf8852011-08-17 17:51:35 -0700987/* Write the numbers in the constant to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -0700988STATIC void installLiteralPools(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -0700989{
buzbeec143c552011-08-20 17:38:58 -0700990 alignBuffer(cUnit->codeBuffer, cUnit->dataOffset);
buzbee67bf8852011-08-17 17:51:35 -0700991 ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList;
992 while (dataLIR) {
buzbeec143c552011-08-20 17:38:58 -0700993 pushWord(cUnit->codeBuffer, dataLIR->operands[0]);
buzbee67bf8852011-08-17 17:51:35 -0700994 dataLIR = NEXT_LIR(dataLIR);
995 }
996}
997
998/* Write the switch tables to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -0700999STATIC void installSwitchTables(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001000{
1001 GrowableListIterator iterator;
1002 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
1003 while (true) {
1004 SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext(
1005 &iterator);
1006 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -07001007 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee67bf8852011-08-17 17:51:35 -07001008 int bxOffset = tabRec->bxInst->generic.offset + 4;
1009 if (cUnit->printMe) {
buzbee9e0f9b02011-08-24 15:32:46 -07001010 LOG(INFO) << "Switch table for offset 0x" << std::hex << bxOffset;
buzbee67bf8852011-08-17 17:51:35 -07001011 }
1012 if (tabRec->table[0] == kSparseSwitchSignature) {
1013 int* keys = (int*)&(tabRec->table[2]);
1014 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1015 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1016 if (cUnit->printMe) {
1017 LOG(INFO) << " Case[" << elems << "] key: 0x" <<
1018 std::hex << keys[elems] << ", disp: 0x" <<
1019 std::hex << disp;
1020 }
buzbeec143c552011-08-20 17:38:58 -07001021 pushWord(cUnit->codeBuffer, keys[elems]);
1022 pushWord(cUnit->codeBuffer,
1023 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001024 }
1025 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001026 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001027 for (int elems = 0; elems < tabRec->table[1]; elems++) {
1028 int disp = tabRec->targets[elems]->generic.offset - bxOffset;
1029 if (cUnit->printMe) {
1030 LOG(INFO) << " Case[" << elems << "] disp: 0x" <<
1031 std::hex << disp;
1032 }
buzbeec143c552011-08-20 17:38:58 -07001033 pushWord(cUnit->codeBuffer,
1034 tabRec->targets[elems]->generic.offset - bxOffset);
buzbee67bf8852011-08-17 17:51:35 -07001035 }
1036 }
1037 }
1038}
1039
1040/* Write the fill array dta to the output stream */
buzbeeed3e9302011-09-23 17:34:19 -07001041STATIC void installFillArrayData(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001042{
1043 GrowableListIterator iterator;
1044 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1045 while (true) {
1046 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1047 &iterator);
1048 if (tabRec == NULL) break;
buzbeec143c552011-08-20 17:38:58 -07001049 alignBuffer(cUnit->codeBuffer, tabRec->offset);
buzbee58f92742011-10-01 11:22:17 -07001050 for (int i = 0; i < ((tabRec->size + 1) / 2) ; i++) {
buzbeee6d61962011-08-27 11:58:19 -07001051 cUnit->codeBuffer.push_back( tabRec->table[i]);
1052 }
buzbee67bf8852011-08-17 17:51:35 -07001053 }
1054}
1055
1056/*
1057 * Assemble the LIR into binary instruction format. Note that we may
1058 * discover that pc-relative displacements may not fit the selected
1059 * instruction.
1060 */
buzbeeed3e9302011-09-23 17:34:19 -07001061STATIC AssemblerStatus assembleInstructions(CompilationUnit* cUnit,
buzbee67bf8852011-08-17 17:51:35 -07001062 intptr_t startAddr)
1063{
buzbee67bf8852011-08-17 17:51:35 -07001064 ArmLIR* lir;
1065 AssemblerStatus res = kSuccess; // Assume success
1066
1067 for (lir = (ArmLIR *) cUnit->firstLIRInsn; lir; lir = NEXT_LIR(lir)) {
1068 if (lir->opcode < 0) {
1069 if ((lir->opcode == kArmPseudoPseudoAlign4) &&
1070 /* 1 means padding is needed */
1071 (lir->operands[0] == 1)) {
buzbeec143c552011-08-20 17:38:58 -07001072 cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5);
buzbee67bf8852011-08-17 17:51:35 -07001073 }
1074 continue;
1075 }
1076
1077 if (lir->flags.isNop) {
1078 continue;
1079 }
1080
1081 /*
1082 * For PC-relative displacements we won't know if the
1083 * selected instruction will work until late (i.e. - now).
1084 * If something doesn't fit, we must replace the short-form
1085 * operation with a longer-form one. Note, though, that this
1086 * can change code we've already processed, so we'll need to
1087 * re-calculate offsets and restart. To limit the number of
1088 * restarts, the entire list will be scanned and patched.
1089 * Of course, the patching itself may cause new overflows so this
1090 * is an iterative process.
1091 */
1092
1093 if (lir->opcode == kThumbLdrPcRel ||
1094 lir->opcode == kThumb2LdrPcRel12 ||
1095 lir->opcode == kThumbAddPcRel ||
buzbee03fa2632011-09-20 17:10:57 -07001096 ((lir->opcode == kThumb2Vldrd) && (lir->operands[1] == r15pc)) ||
buzbee67bf8852011-08-17 17:51:35 -07001097 ((lir->opcode == kThumb2Vldrs) && (lir->operands[1] == r15pc))) {
1098 /*
1099 * PC-relative loads are mostly used to load immediates
1100 * that are too large to materialize directly in one shot.
1101 * However, if the load displacement exceeds the limit,
1102 * we revert to a 2-instruction materialization sequence.
1103 */
1104 ArmLIR *lirTarget = (ArmLIR *) lir->generic.target;
1105 intptr_t pc = (lir->generic.offset + 4) & ~3;
1106 intptr_t target = lirTarget->generic.offset;
1107 int delta = target - pc;
1108 if (delta & 0x3) {
1109 LOG(FATAL) << "PC-rel offset not multiple of 4: " << delta;
1110 }
1111 // First, a sanity check for cases we shouldn't see now
1112 if (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) ||
1113 ((lir->opcode == kThumbLdrPcRel) && (delta > 1020))) {
1114 // Shouldn't happen in current codegen.
1115 LOG(FATAL) << "Unexpected pc-rel offset " << delta;
1116 }
1117 // Now, check for the two difficult cases
buzbee03fa2632011-09-20 17:10:57 -07001118 if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) ||
1119 ((lir->opcode == kThumb2Vldrs) && (delta > 1020)) ||
1120 ((lir->opcode == kThumb2Vldrd) && (delta > 1020))) {
buzbee4965b662011-11-28 16:06:57 -08001121 /*
1122 * Note: because rLR may be used to fix up out-of-range
1123 * vldrs/vldrd we include REG_DEF_LR in the resource
1124 * masks for these instructions.
1125 */
buzbee03fa2632011-09-20 17:10:57 -07001126 int baseReg = (lir->opcode == kThumb2LdrPcRel12) ?
1127 lir->operands[0] : rLR;
1128
1129 // Add new Adr to generate the address
1130 ArmLIR *newAdr =
buzbee67bf8852011-08-17 17:51:35 -07001131 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
buzbee03fa2632011-09-20 17:10:57 -07001132 newAdr->generic.dalvikOffset = lir->generic.dalvikOffset;
1133 newAdr->generic.target = lir->generic.target;
1134 newAdr->opcode = kThumb2Adr;
1135 newAdr->operands[0] = baseReg;
1136 oatSetupResourceMasks(newAdr);
1137 oatInsertLIRBefore((LIR*)lir, (LIR*)newAdr);
1138
1139 // Convert to normal load
1140 if (lir->opcode == kThumb2LdrPcRel12) {
1141 lir->opcode = kThumb2LdrRRI12;
buzbee67bf8852011-08-17 17:51:35 -07001142 }
buzbee03fa2632011-09-20 17:10:57 -07001143 // Change the load to be relative to the new Adr base
1144 lir->operands[1] = baseReg;
1145 lir->operands[2] = 0;
1146 oatSetupResourceMasks(lir);
buzbee67bf8852011-08-17 17:51:35 -07001147 res = kRetryAll;
1148 } else {
buzbee03fa2632011-09-20 17:10:57 -07001149 if ((lir->opcode == kThumb2Vldrs) ||
1150 (lir->opcode == kThumb2Vldrd)) {
buzbee67bf8852011-08-17 17:51:35 -07001151 lir->operands[2] = delta >> 2;
1152 } else {
1153 lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ?
1154 delta : delta >> 2;
1155 }
1156 }
1157 } else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) {
1158 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1159 intptr_t pc = lir->generic.offset + 4;
1160 intptr_t target = targetLIR->generic.offset;
1161 int delta = target - pc;
1162 if (delta > 126 || delta < 0) {
1163 /* Convert to cmp rx,#0 / b[eq/ne] tgt pair */
1164 ArmLIR *newInst =
1165 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1166 /* Make new branch instruction and insert after */
1167 newInst->generic.dalvikOffset = lir->generic.dalvikOffset;
1168 newInst->opcode = kThumbBCond;
1169 newInst->operands[0] = 0;
1170 newInst->operands[1] = (lir->opcode == kThumb2Cbz) ?
1171 kArmCondEq : kArmCondNe;
1172 newInst->generic.target = lir->generic.target;
1173 oatSetupResourceMasks(newInst);
1174 oatInsertLIRAfter((LIR *)lir, (LIR *)newInst);
1175 /* Convert the cb[n]z to a cmp rx, #0 ] */
1176 lir->opcode = kThumbCmpRI8;
1177 /* operand[0] is src1 in both cb[n]z & CmpRI8 */
1178 lir->operands[1] = 0;
1179 lir->generic.target = 0;
1180 oatSetupResourceMasks(lir);
1181 res = kRetryAll;
1182 } else {
1183 lir->operands[1] = delta >> 1;
1184 }
buzbeee7070802011-10-09 17:56:06 -07001185 } else if (lir->opcode == kThumb2Push ||
1186 lir->opcode == kThumb2Pop) {
1187 if (__builtin_popcount(lir->operands[0]) == 1) {
1188 /*
1189 * The standard push/pop multiple instruction
1190 * requires at least two registers in the list.
1191 * If we've got just one, switch to the single-reg
1192 * encoding.
1193 */
1194 lir->opcode = (lir->opcode == kThumb2Push)
1195 ? kThumb2Push1 : kThumb2Pop1;
1196 int reg = 0;
1197 while (lir->operands[0]) {
1198 if (lir->operands[0] & 0x1) {
1199 break;
1200 } else {
1201 reg++;
1202 lir->operands[0] >>= 1;
1203 }
1204 }
1205 lir->operands[0] = reg;
1206 oatSetupResourceMasks(lir);
1207 res = kRetryAll;
1208 }
buzbee67bf8852011-08-17 17:51:35 -07001209 } else if (lir->opcode == kThumbBCond ||
1210 lir->opcode == kThumb2BCond) {
1211 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
buzbee7b1b86d2011-08-26 18:59:10 -07001212 int delta = 0;
buzbeeed3e9302011-09-23 17:34:19 -07001213 DCHECK(targetLIR);
buzbee5ade1d22011-09-09 14:44:52 -07001214 intptr_t pc = lir->generic.offset + 4;
1215 intptr_t target = targetLIR->generic.offset;
1216 delta = target - pc;
1217 if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) {
1218 lir->opcode = kThumb2BCond;
1219 oatSetupResourceMasks(lir);
1220 res = kRetryAll;
buzbee67bf8852011-08-17 17:51:35 -07001221 }
1222 lir->operands[0] = delta >> 1;
1223 } else if (lir->opcode == kThumb2BUncond) {
1224 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1225 intptr_t pc = lir->generic.offset + 4;
1226 intptr_t target = targetLIR->generic.offset;
1227 int delta = target - pc;
1228 lir->operands[0] = delta >> 1;
1229 if (lir->operands[0] == 0) { // Useless branch?
1230 lir->flags.isNop = true;
1231 res = kRetryAll;
1232 }
1233 } else if (lir->opcode == kThumbBUncond) {
1234 ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;
1235 intptr_t pc = lir->generic.offset + 4;
1236 intptr_t target = targetLIR->generic.offset;
1237 int delta = target - pc;
1238 if (delta > 2046 || delta < -2048) {
1239 // Convert to Thumb2BCond w/ kArmCondAl
1240 lir->opcode = kThumb2BUncond;
1241 lir->operands[0] = 0;
1242 oatSetupResourceMasks(lir);
1243 res = kRetryAll;
1244 }
1245 lir->operands[0] = delta >> 1;
1246 if ((lir->operands[0] == 0) ||
1247 (lir->operands[0] == -1)) { // Useless branch?
1248 lir->flags.isNop = true;
1249 res = kRetryAll;
1250 }
1251 } else if (lir->opcode == kThumbBlx1) {
buzbeeed3e9302011-09-23 17:34:19 -07001252 DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2);
buzbee67bf8852011-08-17 17:51:35 -07001253 /* curPC is Thumb */
1254 intptr_t curPC = (startAddr + lir->generic.offset + 4) & ~3;
1255 intptr_t target = lir->operands[1];
1256
1257 /* Match bit[1] in target with base */
1258 if (curPC & 0x2) {
1259 target |= 0x2;
1260 }
1261 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001262 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001263
1264 lir->operands[0] = (delta >> 12) & 0x7ff;
1265 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
1266 } else if (lir->opcode == kThumbBl1) {
buzbeeed3e9302011-09-23 17:34:19 -07001267 DCHECK(NEXT_LIR(lir)->opcode == kThumbBl2);
buzbee67bf8852011-08-17 17:51:35 -07001268 /* Both curPC and target are Thumb */
1269 intptr_t curPC = startAddr + lir->generic.offset + 4;
1270 intptr_t target = lir->operands[1];
1271
1272 int delta = target - curPC;
buzbeeed3e9302011-09-23 17:34:19 -07001273 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));
buzbee67bf8852011-08-17 17:51:35 -07001274
1275 lir->operands[0] = (delta >> 12) & 0x7ff;
1276 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;
buzbee03fa2632011-09-20 17:10:57 -07001277 } else if (lir->opcode == kThumb2Adr) {
buzbee67bf8852011-08-17 17:51:35 -07001278 SwitchTable *tabRec = (SwitchTable*)lir->operands[2];
buzbee03fa2632011-09-20 17:10:57 -07001279 ArmLIR* target = (ArmLIR*)lir->generic.target;
1280 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1281 int disp = targetDisp - ((lir->generic.offset + 4) & ~3);
buzbee67bf8852011-08-17 17:51:35 -07001282 if (disp < 4096) {
1283 lir->operands[1] = disp;
1284 } else {
buzbee03fa2632011-09-20 17:10:57 -07001285 // convert to ldimm16l, ldimm16h, add tgt, pc, operands[0]
buzbee67bf8852011-08-17 17:51:35 -07001286 ArmLIR *newMov16L =
1287 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1288 newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001289 newMov16L->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001290 newMov16L->opcode = kThumb2MovImm16LST;
1291 newMov16L->operands[0] = lir->operands[0];
1292 newMov16L->operands[2] = (intptr_t)lir;
1293 newMov16L->operands[3] = (intptr_t)tabRec;
1294 oatSetupResourceMasks(newMov16L);
1295 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L);
1296 ArmLIR *newMov16H =
1297 (ArmLIR *)oatNew(sizeof(ArmLIR), true);
1298 newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset;
buzbee03fa2632011-09-20 17:10:57 -07001299 newMov16H->generic.target = lir->generic.target;
buzbee67bf8852011-08-17 17:51:35 -07001300 newMov16H->opcode = kThumb2MovImm16HST;
1301 newMov16H->operands[0] = lir->operands[0];
1302 newMov16H->operands[2] = (intptr_t)lir;
1303 newMov16H->operands[3] = (intptr_t)tabRec;
1304 oatSetupResourceMasks(newMov16H);
1305 oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H);
1306 lir->opcode = kThumb2AddRRR;
1307 lir->operands[1] = rPC;
1308 lir->operands[2] = lir->operands[0];
1309 oatSetupResourceMasks(lir);
1310 res = kRetryAll;
1311 }
1312 } else if (lir->opcode == kThumb2MovImm16LST) {
1313 // operands[1] should hold disp, [2] has add, [3] has tabRec
1314 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1315 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001316 // If tabRec is null, this is a literal load - use generic.target
1317 ArmLIR* target = (ArmLIR*)lir->generic.target;
1318 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1319 lir->operands[1] = (targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001320 (addPCInst->generic.offset + 4)) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001321 } else if (lir->opcode == kThumb2MovImm16HST) {
1322 // operands[1] should hold disp, [2] has add, [3] has tabRec
1323 ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];
1324 SwitchTable *tabRec = (SwitchTable*)lir->operands[3];
buzbee03fa2632011-09-20 17:10:57 -07001325 // If tabRec is null, this is a literal load - use generic.target
1326 ArmLIR* target = (ArmLIR*)lir->generic.target;
1327 int targetDisp = tabRec ? tabRec->offset : target->generic.offset;
1328 lir->operands[1] = ((targetDisp -
buzbee3b803472011-09-18 13:48:32 -07001329 (addPCInst->generic.offset + 4)) >> 16) & 0xffff;
buzbee67bf8852011-08-17 17:51:35 -07001330 }
1331 ArmEncodingMap *encoder = &EncodingMap[lir->opcode];
1332 u4 bits = encoder->skeleton;
1333 int i;
1334 for (i = 0; i < 4; i++) {
1335 u4 operand;
1336 u4 value;
1337 operand = lir->operands[i];
1338 switch(encoder->fieldLoc[i].kind) {
1339 case kFmtUnused:
1340 break;
1341 case kFmtFPImm:
1342 value = ((operand & 0xF0) >> 4) << encoder->fieldLoc[i].end;
1343 value |= (operand & 0x0F) << encoder->fieldLoc[i].start;
1344 bits |= value;
1345 break;
1346 case kFmtBrOffset:
1347 value = ((operand & 0x80000) >> 19) << 26;
1348 value |= ((operand & 0x40000) >> 18) << 11;
1349 value |= ((operand & 0x20000) >> 17) << 13;
1350 value |= ((operand & 0x1f800) >> 11) << 16;
1351 value |= (operand & 0x007ff);
1352 bits |= value;
1353 break;
1354 case kFmtShift5:
1355 value = ((operand & 0x1c) >> 2) << 12;
1356 value |= (operand & 0x03) << 6;
1357 bits |= value;
1358 break;
1359 case kFmtShift:
1360 value = ((operand & 0x70) >> 4) << 12;
1361 value |= (operand & 0x0f) << 4;
1362 bits |= value;
1363 break;
1364 case kFmtBWidth:
1365 value = operand - 1;
1366 bits |= value;
1367 break;
1368 case kFmtLsb:
1369 value = ((operand & 0x1c) >> 2) << 12;
1370 value |= (operand & 0x03) << 6;
1371 bits |= value;
1372 break;
1373 case kFmtImm6:
1374 value = ((operand & 0x20) >> 5) << 9;
1375 value |= (operand & 0x1f) << 3;
1376 bits |= value;
1377 break;
1378 case kFmtBitBlt:
1379 value = (operand << encoder->fieldLoc[i].start) &
1380 ((1 << (encoder->fieldLoc[i].end + 1)) - 1);
1381 bits |= value;
1382 break;
1383 case kFmtDfp: {
buzbeeed3e9302011-09-23 17:34:19 -07001384 DCHECK(DOUBLEREG(operand));
1385 DCHECK((operand & 0x1) == 0);
buzbee67bf8852011-08-17 17:51:35 -07001386 int regName = (operand & FP_REG_MASK) >> 1;
1387 /* Snag the 1-bit slice and position it */
1388 value = ((regName & 0x10) >> 4) <<
1389 encoder->fieldLoc[i].end;
1390 /* Extract and position the 4-bit slice */
1391 value |= (regName & 0x0f) <<
1392 encoder->fieldLoc[i].start;
1393 bits |= value;
1394 break;
1395 }
1396 case kFmtSfp:
buzbeeed3e9302011-09-23 17:34:19 -07001397 DCHECK(SINGLEREG(operand));
buzbee67bf8852011-08-17 17:51:35 -07001398 /* Snag the 1-bit slice and position it */
1399 value = (operand & 0x1) <<
1400 encoder->fieldLoc[i].end;
1401 /* Extract and position the 4-bit slice */
1402 value |= ((operand & 0x1e) >> 1) <<
1403 encoder->fieldLoc[i].start;
1404 bits |= value;
1405 break;
1406 case kFmtImm12:
1407 case kFmtModImm:
1408 value = ((operand & 0x800) >> 11) << 26;
1409 value |= ((operand & 0x700) >> 8) << 12;
1410 value |= operand & 0x0ff;
1411 bits |= value;
1412 break;
1413 case kFmtImm16:
1414 value = ((operand & 0x0800) >> 11) << 26;
1415 value |= ((operand & 0xf000) >> 12) << 16;
1416 value |= ((operand & 0x0700) >> 8) << 12;
1417 value |= operand & 0x0ff;
1418 bits |= value;
1419 break;
1420 case kFmtOff24: {
1421 u4 signbit = (operand >> 31) & 0x1;
1422 u4 i1 = (operand >> 22) & 0x1;
1423 u4 i2 = (operand >> 21) & 0x1;
1424 u4 imm10 = (operand >> 11) & 0x03ff;
1425 u4 imm11 = operand & 0x07ff;
1426 u4 j1 = (i1 ^ signbit) ? 0 : 1;
1427 u4 j2 = (i2 ^ signbit) ? 0 : 1;
1428 value = (signbit << 26) | (j1 << 13) | (j2 << 11) |
1429 (imm10 << 16) | imm11;
1430 bits |= value;
1431 }
1432 break;
1433 default:
buzbeeed3e9302011-09-23 17:34:19 -07001434 LOG(FATAL) << "Bad fmt:" << (int)encoder->fieldLoc[i].kind;
buzbee67bf8852011-08-17 17:51:35 -07001435 }
1436 }
1437 if (encoder->size == 2) {
buzbeec143c552011-08-20 17:38:58 -07001438 cUnit->codeBuffer.push_back((bits >> 16) & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001439 }
buzbeec143c552011-08-20 17:38:58 -07001440 cUnit->codeBuffer.push_back(bits & 0xffff);
buzbee67bf8852011-08-17 17:51:35 -07001441 }
1442 return res;
1443}
1444
buzbeeed3e9302011-09-23 17:34:19 -07001445STATIC int assignLiteralOffsetCommon(LIR* lir, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001446{
1447 for (;lir != NULL; lir = lir->next) {
1448 lir->offset = offset;
1449 offset += 4;
1450 }
1451 return offset;
1452}
1453
buzbeeed3e9302011-09-23 17:34:19 -07001454STATIC void createMappingTable(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001455{
1456 ArmLIR* armLIR;
1457 int currentDalvikOffset = -1;
buzbee67bf8852011-08-17 17:51:35 -07001458
1459 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1460 armLIR;
1461 armLIR = NEXT_LIR(armLIR)) {
1462 if ((armLIR->opcode >= 0) && !armLIR->flags.isNop &&
1463 (currentDalvikOffset != armLIR->generic.dalvikOffset)) {
1464 // Changed - need to emit a record
buzbee4ef76522011-09-08 10:00:32 -07001465 cUnit->mappingTable.push_back(armLIR->generic.offset);
1466 cUnit->mappingTable.push_back(armLIR->generic.dalvikOffset);
buzbee67bf8852011-08-17 17:51:35 -07001467 currentDalvikOffset = armLIR->generic.dalvikOffset;
1468 }
1469 }
buzbee67bf8852011-08-17 17:51:35 -07001470}
1471
1472/* Determine the offset of each literal field */
buzbeeed3e9302011-09-23 17:34:19 -07001473STATIC int assignLiteralOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001474{
1475 offset = assignLiteralOffsetCommon(cUnit->literalList, offset);
1476 return offset;
1477}
1478
buzbeeed3e9302011-09-23 17:34:19 -07001479STATIC int assignSwitchTablesOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001480{
1481 GrowableListIterator iterator;
1482 oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);
1483 while (true) {
1484 SwitchTable *tabRec = (SwitchTable *) oatGrowableListIteratorNext(
1485 &iterator);
1486 if (tabRec == NULL) break;
1487 tabRec->offset = offset;
1488 if (tabRec->table[0] == kSparseSwitchSignature) {
1489 offset += tabRec->table[1] * (sizeof(int) * 2);
1490 } else {
buzbeeed3e9302011-09-23 17:34:19 -07001491 DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature);
buzbee67bf8852011-08-17 17:51:35 -07001492 offset += tabRec->table[1] * sizeof(int);
1493 }
1494 }
1495 return offset;
1496}
1497
buzbeeed3e9302011-09-23 17:34:19 -07001498STATIC int assignFillArrayDataOffset(CompilationUnit* cUnit, int offset)
buzbee67bf8852011-08-17 17:51:35 -07001499{
1500 GrowableListIterator iterator;
1501 oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);
1502 while (true) {
1503 FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(
1504 &iterator);
1505 if (tabRec == NULL) break;
1506 tabRec->offset = offset;
1507 offset += tabRec->size;
1508 // word align
1509 offset = (offset + 3) & ~3;
1510 }
1511 return offset;
1512}
1513
1514/*
1515 * Walk the compilation unit and assign offsets to instructions
1516 * and literals and compute the total size of the compiled unit.
1517 */
1518void assignOffsets(CompilationUnit* cUnit)
1519{
1520 ArmLIR* armLIR;
1521 int offset = 0;
1522
1523 for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;
1524 armLIR;
1525 armLIR = NEXT_LIR(armLIR)) {
1526 armLIR->generic.offset = offset;
1527 if (armLIR->opcode >= 0 && !armLIR->flags.isNop) {
1528 armLIR->flags.size = EncodingMap[armLIR->opcode].size * 2;
1529 offset += armLIR->flags.size;
1530 } else if (armLIR->opcode == kArmPseudoPseudoAlign4) {
1531 if (offset & 0x2) {
1532 offset += 2;
1533 armLIR->operands[0] = 1;
1534 } else {
1535 armLIR->operands[0] = 0;
1536 }
1537 }
1538 /* Pseudo opcodes don't consume space */
1539 }
1540
1541 /* Const values have to be word aligned */
1542 offset = (offset + 3) & ~3;
1543
1544 /* Set up offsets for literals */
1545 cUnit->dataOffset = offset;
1546
1547 offset = assignLiteralOffset(cUnit, offset);
1548
1549 offset = assignSwitchTablesOffset(cUnit, offset);
1550
1551 offset = assignFillArrayDataOffset(cUnit, offset);
1552
1553 cUnit->totalSize = offset;
1554}
1555/*
1556 * Go over each instruction in the list and calculate the offset from the top
1557 * before sending them off to the assembler. If out-of-range branch distance is
1558 * seen rearrange the instructions a bit to correct it.
1559 */
1560void oatAssembleLIR(CompilationUnit* cUnit)
1561{
1562 assignOffsets(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001563 /*
1564 * Assemble here. Note that we generate code with optimistic assumptions
1565 * and if found now to work, we'll have to redo the sequence and retry.
1566 */
1567
1568 while (true) {
1569 AssemblerStatus res = assembleInstructions(cUnit, NULL);
1570 if (res == kSuccess) {
1571 break;
1572 } else {
1573 cUnit->assemblerRetries++;
1574 if (cUnit->assemblerRetries > MAX_ASSEMBLER_RETRIES) {
1575 LOG(FATAL) << "Assembler error - too many retries";
1576 }
1577 // Redo offsets and try again
1578 assignOffsets(cUnit);
buzbeec143c552011-08-20 17:38:58 -07001579 cUnit->codeBuffer.clear();
buzbee67bf8852011-08-17 17:51:35 -07001580 }
1581 }
1582
1583 // Install literals
1584 installLiteralPools(cUnit);
1585
1586 // Install switch tables
1587 installSwitchTables(cUnit);
1588
1589 // Install fill array data
1590 installFillArrayData(cUnit);
1591
1592 /*
1593 * Create the mapping table
1594 */
buzbee4ef76522011-09-08 10:00:32 -07001595 createMappingTable(cUnit);
buzbee67bf8852011-08-17 17:51:35 -07001596}