assemble_arm.cc revision 0d82948094d9a198e01aa95f64012bdedd5b6fc9
1/* 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 "arm_lir.h" 18#include "codegen_arm.h" 19#include "dex/quick/mir_to_lir-inl.h" 20 21namespace art { 22 23/* 24 * opcode: ArmOpcode enum 25 * skeleton: pre-designated bit-pattern for this opcode 26 * k0: key to applying ds/de 27 * ds: dest start bit position 28 * de: dest end bit position 29 * k1: key to applying s1s/s1e 30 * s1s: src1 start bit position 31 * s1e: src1 end bit position 32 * k2: key to applying s2s/s2e 33 * s2s: src2 start bit position 34 * s2e: src2 end bit position 35 * operands: number of operands (for sanity check purposes) 36 * name: mnemonic name 37 * fmt: for pretty-printing 38 */ 39#define ENCODING_MAP(opcode, skeleton, k0, ds, de, k1, s1s, s1e, k2, s2s, s2e, \ 40 k3, k3s, k3e, flags, name, fmt, size, fixup) \ 41 {skeleton, {{k0, ds, de}, {k1, s1s, s1e}, {k2, s2s, s2e}, \ 42 {k3, k3s, k3e}}, opcode, flags, name, fmt, size, fixup} 43 44/* Instruction dump string format keys: !pf, where "!" is the start 45 * of the key, "p" is which numeric operand to use and "f" is the 46 * print format. 47 * 48 * [p]ositions: 49 * 0 -> operands[0] (dest) 50 * 1 -> operands[1] (src1) 51 * 2 -> operands[2] (src2) 52 * 3 -> operands[3] (extra) 53 * 54 * [f]ormats: 55 * h -> 4-digit hex 56 * d -> decimal 57 * E -> decimal*4 58 * F -> decimal*2 59 * c -> branch condition (beq, bne, etc.) 60 * t -> pc-relative target 61 * u -> 1st half of bl[x] target 62 * v -> 2nd half ob bl[x] target 63 * R -> register list 64 * s -> single precision floating point register 65 * S -> double precision floating point register 66 * m -> Thumb2 modified immediate 67 * n -> complimented Thumb2 modified immediate 68 * M -> Thumb2 16-bit zero-extended immediate 69 * b -> 4-digit binary 70 * B -> dmb option string (sy, st, ish, ishst, nsh, hshst) 71 * H -> operand shift 72 * C -> core register name 73 * P -> fp cs register list (base of s16) 74 * Q -> fp cs register list (base of s0) 75 * 76 * [!] escape. To insert "!", use "!!" 77 */ 78/* NOTE: must be kept in sync with enum ArmOpcode from LIR.h */ 79const ArmEncodingMap ArmMir2Lir::EncodingMap[kArmLast] = { 80 ENCODING_MAP(kArm16BitData, 0x0000, 81 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 82 kFmtUnused, -1, -1, IS_UNARY_OP, "data", "0x!0h(!0d)", 2, kFixupNone), 83 ENCODING_MAP(kThumbAdcRR, 0x4140, 84 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 85 kFmtUnused, -1, -1, 86 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES | USES_CCODES, 87 "adcs", "!0C, !1C", 2, kFixupNone), 88 ENCODING_MAP(kThumbAddRRI3, 0x1c00, 89 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 90 kFmtUnused, -1, -1, 91 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 92 "adds", "!0C, !1C, #!2d", 2, kFixupNone), 93 ENCODING_MAP(kThumbAddRI8, 0x3000, 94 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 95 kFmtUnused, -1, -1, 96 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES, 97 "adds", "!0C, !0C, #!1d", 2, kFixupNone), 98 ENCODING_MAP(kThumbAddRRR, 0x1800, 99 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 100 kFmtUnused, -1, -1, 101 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES, 102 "adds", "!0C, !1C, !2C", 2, kFixupNone), 103 ENCODING_MAP(kThumbAddRRLH, 0x4440, 104 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 105 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, 106 "add", "!0C, !1C", 2, kFixupNone), 107 ENCODING_MAP(kThumbAddRRHL, 0x4480, 108 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 109 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, 110 "add", "!0C, !1C", 2, kFixupNone), 111 ENCODING_MAP(kThumbAddRRHH, 0x44c0, 112 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 113 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, 114 "add", "!0C, !1C", 2, kFixupNone), 115 ENCODING_MAP(kThumbAddPcRel, 0xa000, 116 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 117 kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH | NEEDS_FIXUP, 118 "add", "!0C, pc, #!1E", 2, kFixupLoad), 119 ENCODING_MAP(kThumbAddSpRel, 0xa800, 120 kFmtBitBlt, 10, 8, kFmtSkip, -1, -1, kFmtBitBlt, 7, 0, 121 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF_SP | REG_USE_SP, 122 "add", "!0C, sp, #!2E", 2, kFixupNone), 123 ENCODING_MAP(kThumbAddSpI7, 0xb000, 124 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 125 kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP, 126 "add", "sp, #!0d*4", 2, kFixupNone), 127 ENCODING_MAP(kThumbAndRR, 0x4000, 128 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 129 kFmtUnused, -1, -1, 130 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 131 "ands", "!0C, !1C", 2, kFixupNone), 132 ENCODING_MAP(kThumbAsrRRI5, 0x1000, 133 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 134 kFmtUnused, -1, -1, 135 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 136 "asrs", "!0C, !1C, #!2d", 2, kFixupNone), 137 ENCODING_MAP(kThumbAsrRR, 0x4100, 138 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 139 kFmtUnused, -1, -1, 140 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 141 "asrs", "!0C, !1C", 2, kFixupNone), 142 ENCODING_MAP(kThumbBCond, 0xd000, 143 kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1, 144 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES | 145 NEEDS_FIXUP, "b!1c", "!0t", 2, kFixupCondBranch), 146 ENCODING_MAP(kThumbBUncond, 0xe000, 147 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 148 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | NEEDS_FIXUP, 149 "b", "!0t", 2, kFixupT1Branch), 150 ENCODING_MAP(kThumbBicRR, 0x4380, 151 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 152 kFmtUnused, -1, -1, 153 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 154 "bics", "!0C, !1C", 2, kFixupNone), 155 ENCODING_MAP(kThumbBkpt, 0xbe00, 156 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 157 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, 158 "bkpt", "!0d", 2, kFixupNone), 159 ENCODING_MAP(kThumbBlx1, 0xf000, 160 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 161 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR | 162 NEEDS_FIXUP, "blx_1", "!0u", 2, kFixupBlx1), 163 ENCODING_MAP(kThumbBlx2, 0xe800, 164 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 165 kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR | 166 NEEDS_FIXUP, "blx_2", "!0v", 2, kFixupLabel), 167 ENCODING_MAP(kThumbBl1, 0xf000, 168 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 169 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR | NEEDS_FIXUP, 170 "bl_1", "!0u", 2, kFixupBl1), 171 ENCODING_MAP(kThumbBl2, 0xf800, 172 kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 173 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR | NEEDS_FIXUP, 174 "bl_2", "!0v", 2, kFixupLabel), 175 ENCODING_MAP(kThumbBlxR, 0x4780, 176 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 177 kFmtUnused, -1, -1, 178 IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR, 179 "blx", "!0C", 2, kFixupNone), 180 ENCODING_MAP(kThumbBx, 0x4700, 181 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 182 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, 183 "bx", "!0C", 2, kFixupNone), 184 ENCODING_MAP(kThumbCmnRR, 0x42c0, 185 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 186 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, 187 "cmn", "!0C, !1C", 2, kFixupNone), 188 ENCODING_MAP(kThumbCmpRI8, 0x2800, 189 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 190 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES, 191 "cmp", "!0C, #!1d", 2, kFixupNone), 192 ENCODING_MAP(kThumbCmpRR, 0x4280, 193 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 194 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, 195 "cmp", "!0C, !1C", 2, kFixupNone), 196 ENCODING_MAP(kThumbCmpLH, 0x4540, 197 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 198 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, 199 "cmp", "!0C, !1C", 2, kFixupNone), 200 ENCODING_MAP(kThumbCmpHL, 0x4580, 201 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 202 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, 203 "cmp", "!0C, !1C", 2, kFixupNone), 204 ENCODING_MAP(kThumbCmpHH, 0x45c0, 205 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 206 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, 207 "cmp", "!0C, !1C", 2, kFixupNone), 208 ENCODING_MAP(kThumbEorRR, 0x4040, 209 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 210 kFmtUnused, -1, -1, 211 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 212 "eors", "!0C, !1C", 2, kFixupNone), 213 ENCODING_MAP(kThumbLdmia, 0xc800, 214 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 215 kFmtUnused, -1, -1, 216 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, 217 "ldmia", "!0C!!, <!1R>", 2, kFixupNone), 218 ENCODING_MAP(kThumbLdrRRI5, 0x6800, 219 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 220 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 221 "ldr", "!0C, [!1C, #!2E]", 2, kFixupNone), 222 ENCODING_MAP(kThumbLdrRRR, 0x5800, 223 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 224 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, 225 "ldr", "!0C, [!1C, !2C]", 2, kFixupNone), 226 ENCODING_MAP(kThumbLdrPcRel, 0x4800, 227 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 228 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC 229 | IS_LOAD | NEEDS_FIXUP, "ldr", "!0C, [pc, #!1E]", 2, kFixupLoad), 230 ENCODING_MAP(kThumbLdrSpRel, 0x9800, 231 kFmtBitBlt, 10, 8, kFmtSkip, -1, -1, kFmtBitBlt, 7, 0, 232 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_SP 233 | IS_LOAD, "ldr", "!0C, [sp, #!2E]", 2, kFixupNone), 234 ENCODING_MAP(kThumbLdrbRRI5, 0x7800, 235 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 236 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 237 "ldrb", "!0C, [!1C, #2d]", 2, kFixupNone), 238 ENCODING_MAP(kThumbLdrbRRR, 0x5c00, 239 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 240 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, 241 "ldrb", "!0C, [!1C, !2C]", 2, kFixupNone), 242 ENCODING_MAP(kThumbLdrhRRI5, 0x8800, 243 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 244 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 245 "ldrh", "!0C, [!1C, #!2F]", 2, kFixupNone), 246 ENCODING_MAP(kThumbLdrhRRR, 0x5a00, 247 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 248 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, 249 "ldrh", "!0C, [!1C, !2C]", 2, kFixupNone), 250 ENCODING_MAP(kThumbLdrsbRRR, 0x5600, 251 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 252 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, 253 "ldrsb", "!0C, [!1C, !2C]", 2, kFixupNone), 254 ENCODING_MAP(kThumbLdrshRRR, 0x5e00, 255 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 256 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, 257 "ldrsh", "!0C, [!1C, !2C]", 2, kFixupNone), 258 ENCODING_MAP(kThumbLslRRI5, 0x0000, 259 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 260 kFmtUnused, -1, -1, 261 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 262 "lsls", "!0C, !1C, #!2d", 2, kFixupNone), 263 ENCODING_MAP(kThumbLslRR, 0x4080, 264 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 265 kFmtUnused, -1, -1, 266 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 267 "lsls", "!0C, !1C", 2, kFixupNone), 268 ENCODING_MAP(kThumbLsrRRI5, 0x0800, 269 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 270 kFmtUnused, -1, -1, 271 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 272 "lsrs", "!0C, !1C, #!2d", 2, kFixupNone), 273 ENCODING_MAP(kThumbLsrRR, 0x40c0, 274 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 275 kFmtUnused, -1, -1, 276 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 277 "lsrs", "!0C, !1C", 2, kFixupNone), 278 ENCODING_MAP(kThumbMovImm, 0x2000, 279 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 280 kFmtUnused, -1, -1, 281 IS_BINARY_OP | REG_DEF0 | SETS_CCODES, 282 "movs", "!0C, #!1d", 2, kFixupNone), 283 ENCODING_MAP(kThumbMovRR, 0x1c00, 284 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 285 kFmtUnused, -1, -1, 286 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, 287 "movs", "!0C, !1C", 2, kFixupNone), 288 ENCODING_MAP(kThumbMovRR_H2H, 0x46c0, 289 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 290 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 291 "mov", "!0C, !1C", 2, kFixupNone), 292 ENCODING_MAP(kThumbMovRR_H2L, 0x4640, 293 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 294 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 295 "mov", "!0C, !1C", 2, kFixupNone), 296 ENCODING_MAP(kThumbMovRR_L2H, 0x4680, 297 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 298 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 299 "mov", "!0C, !1C", 2, kFixupNone), 300 ENCODING_MAP(kThumbMul, 0x4340, 301 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 302 kFmtUnused, -1, -1, 303 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 304 "muls", "!0C, !1C", 2, kFixupNone), 305 ENCODING_MAP(kThumbMvn, 0x43c0, 306 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 307 kFmtUnused, -1, -1, 308 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, 309 "mvns", "!0C, !1C", 2, kFixupNone), 310 ENCODING_MAP(kThumbNeg, 0x4240, 311 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 312 kFmtUnused, -1, -1, 313 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, 314 "negs", "!0C, !1C", 2, kFixupNone), 315 ENCODING_MAP(kThumbOrr, 0x4300, 316 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 317 kFmtUnused, -1, -1, 318 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 319 "orrs", "!0C, !1C", 2, kFixupNone), 320 ENCODING_MAP(kThumbPop, 0xbc00, 321 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 322 kFmtUnused, -1, -1, 323 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0 324 | IS_LOAD, "pop", "<!0R>", 2, kFixupNone), 325 ENCODING_MAP(kThumbPush, 0xb400, 326 kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 327 kFmtUnused, -1, -1, 328 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0 329 | IS_STORE, "push", "<!0R>", 2, kFixupNone), 330 ENCODING_MAP(kThumbRorRR, 0x41c0, 331 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 332 kFmtUnused, -1, -1, 333 IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, 334 "rors", "!0C, !1C", 2, kFixupNone), 335 ENCODING_MAP(kThumbSbc, 0x4180, 336 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 337 kFmtUnused, -1, -1, 338 IS_BINARY_OP | REG_DEF0_USE01 | USES_CCODES | SETS_CCODES, 339 "sbcs", "!0C, !1C", 2, kFixupNone), 340 ENCODING_MAP(kThumbStmia, 0xc000, 341 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 342 kFmtUnused, -1, -1, 343 IS_BINARY_OP | REG_DEF0 | REG_USE0 | REG_USE_LIST1 | IS_STORE, 344 "stmia", "!0C!!, <!1R>", 2, kFixupNone), 345 ENCODING_MAP(kThumbStrRRI5, 0x6000, 346 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 347 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 348 "str", "!0C, [!1C, #!2E]", 2, kFixupNone), 349 ENCODING_MAP(kThumbStrRRR, 0x5000, 350 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 351 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, 352 "str", "!0C, [!1C, !2C]", 2, kFixupNone), 353 ENCODING_MAP(kThumbStrSpRel, 0x9000, 354 kFmtBitBlt, 10, 8, kFmtSkip, -1, -1, kFmtBitBlt, 7, 0, 355 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_SP 356 | IS_STORE, "str", "!0C, [sp, #!2E]", 2, kFixupNone), 357 ENCODING_MAP(kThumbStrbRRI5, 0x7000, 358 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 359 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 360 "strb", "!0C, [!1C, #!2d]", 2, kFixupNone), 361 ENCODING_MAP(kThumbStrbRRR, 0x5400, 362 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 363 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, 364 "strb", "!0C, [!1C, !2C]", 2, kFixupNone), 365 ENCODING_MAP(kThumbStrhRRI5, 0x8000, 366 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, 367 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 368 "strh", "!0C, [!1C, #!2F]", 2, kFixupNone), 369 ENCODING_MAP(kThumbStrhRRR, 0x5200, 370 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 371 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, 372 "strh", "!0C, [!1C, !2C]", 2, kFixupNone), 373 ENCODING_MAP(kThumbSubRRI3, 0x1e00, 374 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 375 kFmtUnused, -1, -1, 376 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 377 "subs", "!0C, !1C, #!2d", 2, kFixupNone), 378 ENCODING_MAP(kThumbSubRI8, 0x3800, 379 kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, 380 kFmtUnused, -1, -1, 381 IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES, 382 "subs", "!0C, #!1d", 2, kFixupNone), 383 ENCODING_MAP(kThumbSubRRR, 0x1a00, 384 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, 385 kFmtUnused, -1, -1, 386 IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES, 387 "subs", "!0C, !1C, !2C", 2, kFixupNone), 388 ENCODING_MAP(kThumbSubSpI7, 0xb080, 389 kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 390 kFmtUnused, -1, -1, 391 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP, 392 "sub", "sp, #!0d*4", 2, kFixupNone), 393 ENCODING_MAP(kThumbSwi, 0xdf00, 394 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 395 kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, 396 "swi", "!0d", 2, kFixupNone), 397 ENCODING_MAP(kThumbTst, 0x4200, 398 kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, 399 kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE01 | SETS_CCODES, 400 "tst", "!0C, !1C", 2, kFixupNone), 401 ENCODING_MAP(kThumb2Vldrs, 0xed900a00, 402 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, 403 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD | 404 REG_DEF_LR | NEEDS_FIXUP, "vldr", "!0s, [!1C, #!2E]", 4, kFixupVLoad), 405 ENCODING_MAP(kThumb2Vldrd, 0xed900b00, 406 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, 407 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD | 408 REG_DEF_LR | NEEDS_FIXUP, "vldr", "!0S, [!1C, #!2E]", 4, kFixupVLoad), 409 ENCODING_MAP(kThumb2Vmuls, 0xee200a00, 410 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, 411 kFmtUnused, -1, -1, 412 IS_TERTIARY_OP | REG_DEF0_USE12, 413 "vmuls", "!0s, !1s, !2s", 4, kFixupNone), 414 ENCODING_MAP(kThumb2Vmuld, 0xee200b00, 415 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, 416 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 417 "vmuld", "!0S, !1S, !2S", 4, kFixupNone), 418 ENCODING_MAP(kThumb2Vstrs, 0xed800a00, 419 kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, 420 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 421 "vstr", "!0s, [!1C, #!2E]", 4, kFixupNone), 422 ENCODING_MAP(kThumb2Vstrd, 0xed800b00, 423 kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, 424 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 425 "vstr", "!0S, [!1C, #!2E]", 4, kFixupNone), 426 ENCODING_MAP(kThumb2Vsubs, 0xee300a40, 427 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, 428 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 429 "vsub", "!0s, !1s, !2s", 4, kFixupNone), 430 ENCODING_MAP(kThumb2Vsubd, 0xee300b40, 431 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, 432 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 433 "vsub", "!0S, !1S, !2S", 4, kFixupNone), 434 ENCODING_MAP(kThumb2Vadds, 0xee300a00, 435 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, 436 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 437 "vadd", "!0s, !1s, !2s", 4, kFixupNone), 438 ENCODING_MAP(kThumb2Vaddd, 0xee300b00, 439 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, 440 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 441 "vadd", "!0S, !1S, !2S", 4, kFixupNone), 442 ENCODING_MAP(kThumb2Vdivs, 0xee800a00, 443 kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, 444 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 445 "vdivs", "!0s, !1s, !2s", 4, kFixupNone), 446 ENCODING_MAP(kThumb2Vdivd, 0xee800b00, 447 kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, 448 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 449 "vdivd", "!0S, !1S, !2S", 4, kFixupNone), 450 ENCODING_MAP(kThumb2VcvtIF, 0xeeb80ac0, 451 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 452 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 453 "vcvt.f32", "!0s, !1s", 4, kFixupNone), 454 ENCODING_MAP(kThumb2VcvtID, 0xeeb80bc0, 455 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 456 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 457 "vcvt.f64", "!0S, !1s", 4, kFixupNone), 458 ENCODING_MAP(kThumb2VcvtFI, 0xeebd0ac0, 459 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 460 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 461 "vcvt.s32.f32 ", "!0s, !1s", 4, kFixupNone), 462 ENCODING_MAP(kThumb2VcvtDI, 0xeebd0bc0, 463 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 464 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 465 "vcvt.s32.f64 ", "!0s, !1S", 4, kFixupNone), 466 ENCODING_MAP(kThumb2VcvtFd, 0xeeb70ac0, 467 kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 468 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 469 "vcvt.f64.f32 ", "!0S, !1s", 4, kFixupNone), 470 ENCODING_MAP(kThumb2VcvtDF, 0xeeb70bc0, 471 kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 472 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 473 "vcvt.f32.f64 ", "!0s, !1S", 4, kFixupNone), 474 ENCODING_MAP(kThumb2Vsqrts, 0xeeb10ac0, 475 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 476 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 477 "vsqrt.f32 ", "!0s, !1s", 4, kFixupNone), 478 ENCODING_MAP(kThumb2Vsqrtd, 0xeeb10bc0, 479 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 480 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 481 "vsqrt.f64 ", "!0S, !1S", 4, kFixupNone), 482 ENCODING_MAP(kThumb2MovImmShift, 0xf04f0000, /* no setflags encoding */ 483 kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1, 484 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, 485 "mov", "!0C, #!1m", 4, kFixupNone), 486 ENCODING_MAP(kThumb2MovImm16, 0xf2400000, 487 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, 488 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, 489 "mov", "!0C, #!1M", 4, kFixupNone), 490 ENCODING_MAP(kThumb2StrRRI12, 0xf8c00000, 491 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 492 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 493 "str", "!0C, [!1C, #!2d]", 4, kFixupNone), 494 ENCODING_MAP(kThumb2LdrRRI12, 0xf8d00000, 495 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 496 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 497 "ldr", "!0C, [!1C, #!2d]", 4, kFixupNone), 498 ENCODING_MAP(kThumb2StrRRI8Predec, 0xf8400c00, 499 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0, 500 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 501 "str", "!0C, [!1C, #-!2d]", 4, kFixupNone), 502 ENCODING_MAP(kThumb2LdrRRI8Predec, 0xf8500c00, 503 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0, 504 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 505 "ldr", "!0C, [!1C, #-!2d]", 4, kFixupNone), 506 ENCODING_MAP(kThumb2Cbnz, 0xb900, /* Note: does not affect flags */ 507 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1, 508 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH | 509 NEEDS_FIXUP, "cbnz", "!0C,!1t", 2, kFixupCBxZ), 510 ENCODING_MAP(kThumb2Cbz, 0xb100, /* Note: does not affect flags */ 511 kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1, 512 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH | 513 NEEDS_FIXUP, "cbz", "!0C,!1t", 2, kFixupCBxZ), 514 ENCODING_MAP(kThumb2AddRRI12, 0xf2000000, 515 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, 516 kFmtUnused, -1, -1, 517 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */ 518 "add", "!0C,!1C,#!2d", 4, kFixupNone), 519 ENCODING_MAP(kThumb2MovRR, 0xea4f0000, /* no setflags encoding */ 520 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, 521 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 522 "mov", "!0C, !1C", 4, kFixupNone), 523 ENCODING_MAP(kThumb2Vmovs, 0xeeb00a40, 524 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 525 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 526 "vmov.f32 ", " !0s, !1s", 4, kFixupNone), 527 ENCODING_MAP(kThumb2Vmovd, 0xeeb00b40, 528 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 529 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 530 "vmov.f64 ", " !0S, !1S", 4, kFixupNone), 531 ENCODING_MAP(kThumb2Ldmia, 0xe8900000, 532 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, 533 kFmtUnused, -1, -1, 534 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, 535 "ldmia", "!0C!!, <!1R>", 4, kFixupNone), 536 ENCODING_MAP(kThumb2Stmia, 0xe8800000, 537 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, 538 kFmtUnused, -1, -1, 539 IS_BINARY_OP | REG_DEF0_USE0 | REG_USE_LIST1 | IS_STORE, 540 "stmia", "!0C!!, <!1R>", 4, kFixupNone), 541 ENCODING_MAP(kThumb2AddRRR, 0xeb100000, /* setflags encoding */ 542 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 543 kFmtShift, -1, -1, 544 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, 545 "adds", "!0C, !1C, !2C!3H", 4, kFixupNone), 546 ENCODING_MAP(kThumb2SubRRR, 0xebb00000, /* setflags enconding */ 547 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 548 kFmtShift, -1, -1, 549 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, 550 "subs", "!0C, !1C, !2C!3H", 4, kFixupNone), 551 ENCODING_MAP(kThumb2SbcRRR, 0xeb700000, /* setflags encoding */ 552 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 553 kFmtShift, -1, -1, 554 IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES | SETS_CCODES, 555 "sbcs", "!0C, !1C, !2C!3H", 4, kFixupNone), 556 ENCODING_MAP(kThumb2CmpRR, 0xebb00f00, 557 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, 558 kFmtUnused, -1, -1, 559 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, 560 "cmp", "!0C, !1C", 4, kFixupNone), 561 ENCODING_MAP(kThumb2SubRRI12, 0xf2a00000, 562 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, 563 kFmtUnused, -1, -1, 564 IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */ 565 "sub", "!0C,!1C,#!2d", 4, kFixupNone), 566 ENCODING_MAP(kThumb2MvnImm12, 0xf06f0000, /* no setflags encoding */ 567 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1, 568 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, 569 "mvn", "!0C, #!1n", 4, kFixupNone), 570 ENCODING_MAP(kThumb2Sel, 0xfaa0f080, 571 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 572 kFmtUnused, -1, -1, 573 IS_TERTIARY_OP | REG_DEF0_USE12 | USES_CCODES, 574 "sel", "!0C, !1C, !2C", 4, kFixupNone), 575 ENCODING_MAP(kThumb2Ubfx, 0xf3c00000, 576 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1, 577 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, 578 "ubfx", "!0C, !1C, #!2d, #!3d", 4, kFixupNone), 579 ENCODING_MAP(kThumb2Sbfx, 0xf3400000, 580 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1, 581 kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, 582 "sbfx", "!0C, !1C, #!2d, #!3d", 4, kFixupNone), 583 ENCODING_MAP(kThumb2LdrRRR, 0xf8500000, 584 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 585 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, 586 "ldr", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 587 ENCODING_MAP(kThumb2LdrhRRR, 0xf8300000, 588 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 589 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, 590 "ldrh", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 591 ENCODING_MAP(kThumb2LdrshRRR, 0xf9300000, 592 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 593 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, 594 "ldrsh", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 595 ENCODING_MAP(kThumb2LdrbRRR, 0xf8100000, 596 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 597 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, 598 "ldrb", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 599 ENCODING_MAP(kThumb2LdrsbRRR, 0xf9100000, 600 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 601 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, 602 "ldrsb", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 603 ENCODING_MAP(kThumb2StrRRR, 0xf8400000, 604 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 605 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, 606 "str", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 607 ENCODING_MAP(kThumb2StrhRRR, 0xf8200000, 608 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 609 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, 610 "strh", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 611 ENCODING_MAP(kThumb2StrbRRR, 0xf8000000, 612 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 613 kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, 614 "strb", "!0C, [!1C, !2C, LSL #!3d]", 4, kFixupNone), 615 ENCODING_MAP(kThumb2LdrhRRI12, 0xf8b00000, 616 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 617 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 618 "ldrh", "!0C, [!1C, #!2d]", 4, kFixupNone), 619 ENCODING_MAP(kThumb2LdrshRRI12, 0xf9b00000, 620 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 621 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 622 "ldrsh", "!0C, [!1C, #!2d]", 4, kFixupNone), 623 ENCODING_MAP(kThumb2LdrbRRI12, 0xf8900000, 624 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 625 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 626 "ldrb", "!0C, [!1C, #!2d]", 4, kFixupNone), 627 ENCODING_MAP(kThumb2LdrsbRRI12, 0xf9900000, 628 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 629 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 630 "ldrsb", "!0C, [!1C, #!2d]", 4, kFixupNone), 631 ENCODING_MAP(kThumb2StrhRRI12, 0xf8a00000, 632 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 633 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 634 "strh", "!0C, [!1C, #!2d]", 4, kFixupNone), 635 ENCODING_MAP(kThumb2StrbRRI12, 0xf8800000, 636 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, 637 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, 638 "strb", "!0C, [!1C, #!2d]", 4, kFixupNone), 639 ENCODING_MAP(kThumb2Pop, 0xe8bd0000, 640 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 641 kFmtUnused, -1, -1, 642 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0 643 | IS_LOAD | NEEDS_FIXUP, "pop", "<!0R>", 4, kFixupPushPop), 644 ENCODING_MAP(kThumb2Push, 0xe92d0000, 645 kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 646 kFmtUnused, -1, -1, 647 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0 648 | IS_STORE | NEEDS_FIXUP, "push", "<!0R>", 4, kFixupPushPop), 649 ENCODING_MAP(kThumb2CmpRI12, 0xf1b00f00, 650 kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, 651 kFmtUnused, -1, -1, 652 IS_BINARY_OP | REG_USE0 | SETS_CCODES, 653 "cmp", "!0C, #!1m", 4, kFixupNone), 654 ENCODING_MAP(kThumb2AdcRRR, 0xeb500000, /* setflags encoding */ 655 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 656 kFmtShift, -1, -1, 657 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, 658 "adcs", "!0C, !1C, !2C!3H", 4, kFixupNone), 659 ENCODING_MAP(kThumb2AndRRR, 0xea000000, 660 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 661 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, 662 "and", "!0C, !1C, !2C!3H", 4, kFixupNone), 663 ENCODING_MAP(kThumb2BicRRR, 0xea200000, 664 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 665 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, 666 "bic", "!0C, !1C, !2C!3H", 4, kFixupNone), 667 ENCODING_MAP(kThumb2CmnRR, 0xeb000000, 668 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, 669 kFmtUnused, -1, -1, 670 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 671 "cmn", "!0C, !1C, shift !2d", 4, kFixupNone), 672 ENCODING_MAP(kThumb2EorRRR, 0xea800000, 673 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 674 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, 675 "eor", "!0C, !1C, !2C!3H", 4, kFixupNone), 676 ENCODING_MAP(kThumb2MulRRR, 0xfb00f000, 677 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 678 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 679 "mul", "!0C, !1C, !2C", 4, kFixupNone), 680 ENCODING_MAP(kThumb2MnvRR, 0xea6f0000, 681 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, 682 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 683 "mvn", "!0C, !1C, shift !2d", 4, kFixupNone), 684 ENCODING_MAP(kThumb2RsubRRI8, 0xf1d00000, 685 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 686 kFmtUnused, -1, -1, 687 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 688 "rsb", "!0C,!1C,#!2m", 4, kFixupNone), 689 ENCODING_MAP(kThumb2NegRR, 0xf1d00000, /* instance of rsub */ 690 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1, 691 kFmtUnused, -1, -1, 692 IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, 693 "neg", "!0C,!1C", 4, kFixupNone), 694 ENCODING_MAP(kThumb2OrrRRR, 0xea400000, 695 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 696 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, 697 "orr", "!0C, !1C, !2C!3H", 4, kFixupNone), 698 ENCODING_MAP(kThumb2TstRR, 0xea100f00, 699 kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, 700 kFmtUnused, -1, -1, 701 IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, 702 "tst", "!0C, !1C, shift !2d", 4, kFixupNone), 703 ENCODING_MAP(kThumb2LslRRR, 0xfa00f000, 704 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 705 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 706 "lsl", "!0C, !1C, !2C", 4, kFixupNone), 707 ENCODING_MAP(kThumb2LsrRRR, 0xfa20f000, 708 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 709 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 710 "lsr", "!0C, !1C, !2C", 4, kFixupNone), 711 ENCODING_MAP(kThumb2AsrRRR, 0xfa40f000, 712 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 713 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 714 "asr", "!0C, !1C, !2C", 4, kFixupNone), 715 ENCODING_MAP(kThumb2RorRRR, 0xfa60f000, 716 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 717 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 718 "ror", "!0C, !1C, !2C", 4, kFixupNone), 719 ENCODING_MAP(kThumb2LslRRI5, 0xea4f0000, 720 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, 721 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 722 "lsl", "!0C, !1C, #!2d", 4, kFixupNone), 723 ENCODING_MAP(kThumb2LsrRRI5, 0xea4f0010, 724 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, 725 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 726 "lsr", "!0C, !1C, #!2d", 4, kFixupNone), 727 ENCODING_MAP(kThumb2AsrRRI5, 0xea4f0020, 728 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, 729 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 730 "asr", "!0C, !1C, #!2d", 4, kFixupNone), 731 ENCODING_MAP(kThumb2RorRRI5, 0xea4f0030, 732 kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, 733 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 734 "ror", "!0C, !1C, #!2d", 4, kFixupNone), 735 ENCODING_MAP(kThumb2BicRRI8, 0xf0200000, 736 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 737 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 738 "bic", "!0C, !1C, #!2m", 4, kFixupNone), 739 ENCODING_MAP(kThumb2AndRRI8, 0xf0000000, 740 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 741 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 742 "and", "!0C, !1C, #!2m", 4, kFixupNone), 743 ENCODING_MAP(kThumb2OrrRRI8, 0xf0400000, 744 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 745 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 746 "orr", "!0C, !1C, #!2m", 4, kFixupNone), 747 ENCODING_MAP(kThumb2EorRRI8, 0xf0800000, 748 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 749 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, 750 "eor", "!0C, !1C, #!2m", 4, kFixupNone), 751 ENCODING_MAP(kThumb2AddRRI8, 0xf1100000, 752 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 753 kFmtUnused, -1, -1, 754 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 755 "adds", "!0C, !1C, #!2m", 4, kFixupNone), 756 ENCODING_MAP(kThumb2AdcRRI8, 0xf1500000, 757 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 758 kFmtUnused, -1, -1, 759 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES, 760 "adcs", "!0C, !1C, #!2m", 4, kFixupNone), 761 ENCODING_MAP(kThumb2SubRRI8, 0xf1b00000, 762 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 763 kFmtUnused, -1, -1, 764 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 765 "subs", "!0C, !1C, #!2m", 4, kFixupNone), 766 ENCODING_MAP(kThumb2SbcRRI8, 0xf1700000, 767 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, 768 kFmtUnused, -1, -1, 769 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES, 770 "sbcs", "!0C, !1C, #!2m", 4, kFixupNone), 771 ENCODING_MAP(kThumb2It, 0xbf00, 772 kFmtBitBlt, 7, 4, kFmtBitBlt, 3, 0, kFmtModImm, -1, -1, 773 kFmtUnused, -1, -1, IS_BINARY_OP | IS_IT | USES_CCODES, 774 "it:!1b", "!0c", 2, kFixupNone), 775 ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10, 776 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 777 kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES, 778 "fmstat", "", 4, kFixupNone), 779 ENCODING_MAP(kThumb2Vcmpd, 0xeeb40b40, 780 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 781 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01, 782 "vcmp.f64", "!0S, !1S", 4, kFixupNone), 783 ENCODING_MAP(kThumb2Vcmps, 0xeeb40a40, 784 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 785 kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01, 786 "vcmp.f32", "!0s, !1s", 4, kFixupNone), 787 ENCODING_MAP(kThumb2LdrPcRel12, 0xf8df0000, 788 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, 789 kFmtUnused, -1, -1, 790 IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD | NEEDS_FIXUP, 791 "ldr", "!0C, [r15pc, #!1d]", 4, kFixupLoad), 792 ENCODING_MAP(kThumb2BCond, 0xf0008000, 793 kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1, 794 kFmtUnused, -1, -1, 795 IS_BINARY_OP | IS_BRANCH | USES_CCODES | NEEDS_FIXUP, 796 "b!1c", "!0t", 4, kFixupCondBranch), 797 ENCODING_MAP(kThumb2Vmovd_RR, 0xeeb00b40, 798 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 799 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 800 "vmov.f64", "!0S, !1S", 4, kFixupNone), 801 ENCODING_MAP(kThumb2Vmovs_RR, 0xeeb00a40, 802 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 803 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 804 "vmov.f32", "!0s, !1s", 4, kFixupNone), 805 ENCODING_MAP(kThumb2Fmrs, 0xee100a10, 806 kFmtBitBlt, 15, 12, kFmtSfp, 7, 16, kFmtUnused, -1, -1, 807 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 808 "fmrs", "!0C, !1s", 4, kFixupNone), 809 ENCODING_MAP(kThumb2Fmsr, 0xee000a10, 810 kFmtSfp, 7, 16, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, 811 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 812 "fmsr", "!0s, !1C", 4, kFixupNone), 813 ENCODING_MAP(kThumb2Fmrrd, 0xec500b10, 814 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtDfp, 5, 0, 815 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01_USE2, 816 "fmrrd", "!0C, !1C, !2S", 4, kFixupNone), 817 ENCODING_MAP(kThumb2Fmdrr, 0xec400b10, 818 kFmtDfp, 5, 0, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, 819 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, 820 "fmdrr", "!0S, !1C, !2C", 4, kFixupNone), 821 ENCODING_MAP(kThumb2Vabsd, 0xeeb00bc0, 822 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 823 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 824 "vabs.f64", "!0S, !1S", 4, kFixupNone), 825 ENCODING_MAP(kThumb2Vabss, 0xeeb00ac0, 826 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 827 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 828 "vabs.f32", "!0s, !1s", 4, kFixupNone), 829 ENCODING_MAP(kThumb2Vnegd, 0xeeb10b40, 830 kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, 831 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 832 "vneg.f64", "!0S, !1S", 4, kFixupNone), 833 ENCODING_MAP(kThumb2Vnegs, 0xeeb10a40, 834 kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, 835 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, 836 "vneg.f32", "!0s, !1s", 4, kFixupNone), 837 ENCODING_MAP(kThumb2Vmovs_IMM8, 0xeeb00a00, 838 kFmtSfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1, 839 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, 840 "vmov.f32", "!0s, #0x!1h", 4, kFixupNone), 841 ENCODING_MAP(kThumb2Vmovd_IMM8, 0xeeb00b00, 842 kFmtDfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1, 843 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, 844 "vmov.f64", "!0S, #0x!1h", 4, kFixupNone), 845 ENCODING_MAP(kThumb2Mla, 0xfb000000, 846 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 847 kFmtBitBlt, 15, 12, 848 IS_QUAD_OP | REG_DEF0 | REG_USE1 | REG_USE2 | REG_USE3, 849 "mla", "!0C, !1C, !2C, !3C", 4, kFixupNone), 850 ENCODING_MAP(kThumb2Umull, 0xfba00000, 851 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, 852 kFmtBitBlt, 3, 0, 853 IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3, 854 "umull", "!0C, !1C, !2C, !3C", 4, kFixupNone), 855 ENCODING_MAP(kThumb2Ldrex, 0xe8500f00, 856 kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, 857 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, 858 "ldrex", "!0C, [!1C, #!2E]", 4, kFixupNone), 859 ENCODING_MAP(kThumb2Strex, 0xe8400000, 860 kFmtBitBlt, 11, 8, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, 861 kFmtBitBlt, 7, 0, IS_QUAD_OP | REG_DEF0_USE12 | IS_STORE, 862 "strex", "!0C,!1C, [!2C, #!2E]", 4, kFixupNone), 863 ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f, 864 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 865 kFmtUnused, -1, -1, NO_OPERAND, 866 "clrex", "", 4, kFixupNone), 867 ENCODING_MAP(kThumb2Bfi, 0xf3600000, 868 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtShift5, -1, -1, 869 kFmtBitBlt, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, 870 "bfi", "!0C,!1C,#!2d,#!3d", 4, kFixupNone), 871 ENCODING_MAP(kThumb2Bfc, 0xf36f0000, 872 kFmtBitBlt, 11, 8, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0, 873 kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0, 874 "bfc", "!0C,#!1d,#!2d", 4, kFixupNone), 875 ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50, 876 kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 877 kFmtUnused, -1, -1, IS_UNARY_OP, 878 "dmb", "#!0B", 4, kFixupNone), 879 ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000, 880 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, 881 kFmtUnused, -1, -1, 882 IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD, 883 "ldr", "!0C, [r15pc, -#!1d]", 4, kFixupNone), 884 ENCODING_MAP(kThumb2Stm, 0xe9000000, 885 kFmtBitBlt, 19, 16, kFmtBitBlt, 12, 0, kFmtUnused, -1, -1, 886 kFmtUnused, -1, -1, 887 IS_BINARY_OP | REG_USE0 | REG_USE_LIST1 | IS_STORE, 888 "stm", "!0C, <!1R>", 4, kFixupNone), 889 ENCODING_MAP(kThumbUndefined, 0xde00, 890 kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 891 kFmtUnused, -1, -1, NO_OPERAND, 892 "undefined", "", 2, kFixupNone), 893 // NOTE: vpop, vpush hard-encoded for s16+ reg list 894 ENCODING_MAP(kThumb2VPopCS, 0xecbd8a00, 895 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 896 kFmtUnused, -1, -1, 897 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_FPCS_LIST0 898 | IS_LOAD, "vpop", "<!0P>", 4, kFixupNone), 899 ENCODING_MAP(kThumb2VPushCS, 0xed2d8a00, 900 kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 901 kFmtUnused, -1, -1, 902 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_FPCS_LIST0 903 | IS_STORE, "vpush", "<!0P>", 4, kFixupNone), 904 ENCODING_MAP(kThumb2Vldms, 0xec900a00, 905 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0, 906 kFmtUnused, -1, -1, 907 IS_TERTIARY_OP | REG_USE0 | REG_DEF_FPCS_LIST2 908 | IS_LOAD, "vldms", "!0C, <!2Q>", 4, kFixupNone), 909 ENCODING_MAP(kThumb2Vstms, 0xec800a00, 910 kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0, 911 kFmtUnused, -1, -1, 912 IS_TERTIARY_OP | REG_USE0 | REG_USE_FPCS_LIST2 913 | IS_STORE, "vstms", "!0C, <!2Q>", 4, kFixupNone), 914 ENCODING_MAP(kThumb2BUncond, 0xf0009000, 915 kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 916 kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH, 917 "b", "!0t", 4, kFixupT2Branch), 918 ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000, 919 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, 920 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE0, 921 "movt", "!0C, #!1M", 4, kFixupNone), 922 ENCODING_MAP(kThumb2AddPCR, 0x4487, 923 kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 924 kFmtUnused, -1, -1, 925 IS_UNARY_OP | REG_USE0 | IS_BRANCH | NEEDS_FIXUP, 926 "add", "rPC, !0C", 2, kFixupLabel), 927 ENCODING_MAP(kThumb2Adr, 0xf20f0000, 928 kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1, 929 kFmtUnused, -1, -1, 930 /* Note: doesn't affect flags */ 931 IS_TERTIARY_OP | REG_DEF0 | NEEDS_FIXUP, 932 "adr", "!0C,#!1d", 4, kFixupAdr), 933 ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000, 934 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, 935 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | NEEDS_FIXUP, 936 "mov", "!0C, #!1M", 4, kFixupMovImmLST), 937 ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000, 938 kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, 939 kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE0 | NEEDS_FIXUP, 940 "movt", "!0C, #!1M", 4, kFixupMovImmHST), 941 ENCODING_MAP(kThumb2LdmiaWB, 0xe8b00000, 942 kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, 943 kFmtUnused, -1, -1, 944 IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, 945 "ldmia", "!0C!!, <!1R>", 4, kFixupNone), 946 ENCODING_MAP(kThumb2SubsRRI12, 0xf1b00000, 947 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, 948 kFmtUnused, -1, -1, 949 IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, 950 "subs", "!0C,!1C,#!2d", 4, kFixupNone), 951 ENCODING_MAP(kThumb2OrrRRRs, 0xea500000, 952 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 953 kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, 954 "orrs", "!0C, !1C, !2C!3H", 4, kFixupNone), 955 ENCODING_MAP(kThumb2Push1, 0xf84d0d04, 956 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 957 kFmtUnused, -1, -1, 958 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE0 959 | IS_STORE, "push1", "!0C", 4, kFixupNone), 960 ENCODING_MAP(kThumb2Pop1, 0xf85d0b04, 961 kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1, 962 kFmtUnused, -1, -1, 963 IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF0 964 | IS_LOAD, "pop1", "!0C", 4, kFixupNone), 965 ENCODING_MAP(kThumb2RsubRRR, 0xebd00000, /* setflags encoding */ 966 kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, 967 kFmtShift, -1, -1, 968 IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, 969 "rsbs", "!0C, !1C, !2C!3H", 4, kFixupNone), 970 ENCODING_MAP(kThumb2Smull, 0xfb800000, 971 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, 972 kFmtBitBlt, 3, 0, 973 IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3, 974 "smull", "!0C, !1C, !2C, !3C", 4, kFixupNone), 975 ENCODING_MAP(kThumb2LdrdPcRel8, 0xe9df0000, 976 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 7, 0, 977 kFmtUnused, -1, -1, 978 IS_TERTIARY_OP | REG_DEF0 | REG_DEF1 | REG_USE_PC | IS_LOAD | NEEDS_FIXUP, 979 "ldrd", "!0C, !1C, [pc, #!2E]", 4, kFixupLoad), 980 ENCODING_MAP(kThumb2LdrdI8, 0xe9d00000, 981 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, 982 kFmtBitBlt, 7, 0, 983 IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | IS_LOAD, 984 "ldrd", "!0C, !1C, [!2C, #!3E]", 4, kFixupNone), 985 ENCODING_MAP(kThumb2StrdI8, 0xe9c00000, 986 kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, 987 kFmtBitBlt, 7, 0, 988 IS_QUAD_OP | REG_USE0 | REG_USE1 | REG_USE2 | IS_STORE, 989 "strd", "!0C, !1C, [!2C, #!3E]", 4, kFixupNone), 990}; 991 992// new_lir replaces orig_lir in the pcrel_fixup list. 993void ArmMir2Lir::ReplaceFixup(LIR* prev_lir, LIR* orig_lir, LIR* new_lir) { 994 new_lir->u.a.pcrel_next = orig_lir->u.a.pcrel_next; 995 if (UNLIKELY(prev_lir == NULL)) { 996 first_fixup_ = new_lir; 997 } else { 998 prev_lir->u.a.pcrel_next = new_lir; 999 } 1000 orig_lir->flags.fixup = kFixupNone; 1001} 1002 1003// new_lir is inserted before orig_lir in the pcrel_fixup list. 1004void ArmMir2Lir::InsertFixupBefore(LIR* prev_lir, LIR* orig_lir, LIR* new_lir) { 1005 new_lir->u.a.pcrel_next = orig_lir; 1006 if (UNLIKELY(prev_lir == NULL)) { 1007 first_fixup_ = new_lir; 1008 } else { 1009 DCHECK(prev_lir->u.a.pcrel_next == orig_lir); 1010 prev_lir->u.a.pcrel_next = new_lir; 1011 } 1012} 1013 1014/* 1015 * The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is 1016 * not ready. Since r5FP is not updated often, it is less likely to 1017 * generate unnecessary stall cycles. 1018 * TUNING: No longer true - find new NOP pattern. 1019 */ 1020#define PADDING_MOV_R5_R5 0x1C2D 1021 1022void ArmMir2Lir::EncodeLIR(LIR* lir) { 1023 int opcode = lir->opcode; 1024 if (IsPseudoLirOp(opcode)) { 1025 if (UNLIKELY(opcode == kPseudoPseudoAlign4)) { 1026 // Note: size for this opcode will be either 0 or 2 depending on final alignment. 1027 lir->u.a.bytes[0] = (PADDING_MOV_R5_R5 & 0xff); 1028 lir->u.a.bytes[1] = ((PADDING_MOV_R5_R5 >> 8) & 0xff); 1029 lir->flags.size = (lir->offset & 0x2); 1030 } 1031 } else if (LIKELY(!lir->flags.is_nop)) { 1032 const ArmEncodingMap *encoder = &EncodingMap[lir->opcode]; 1033 uint32_t bits = encoder->skeleton; 1034 for (int i = 0; i < 4; i++) { 1035 uint32_t operand; 1036 uint32_t value; 1037 operand = lir->operands[i]; 1038 ArmEncodingKind kind = encoder->field_loc[i].kind; 1039 if (LIKELY(kind == kFmtBitBlt)) { 1040 value = (operand << encoder->field_loc[i].start) & 1041 ((1 << (encoder->field_loc[i].end + 1)) - 1); 1042 bits |= value; 1043 } else { 1044 switch (encoder->field_loc[i].kind) { 1045 case kFmtSkip: 1046 break; // Nothing to do, but continue to next. 1047 case kFmtUnused: 1048 i = 4; // Done, break out of the enclosing loop. 1049 break; 1050 case kFmtFPImm: 1051 value = ((operand & 0xF0) >> 4) << encoder->field_loc[i].end; 1052 value |= (operand & 0x0F) << encoder->field_loc[i].start; 1053 bits |= value; 1054 break; 1055 case kFmtBrOffset: 1056 value = ((operand & 0x80000) >> 19) << 26; 1057 value |= ((operand & 0x40000) >> 18) << 11; 1058 value |= ((operand & 0x20000) >> 17) << 13; 1059 value |= ((operand & 0x1f800) >> 11) << 16; 1060 value |= (operand & 0x007ff); 1061 bits |= value; 1062 break; 1063 case kFmtShift5: 1064 value = ((operand & 0x1c) >> 2) << 12; 1065 value |= (operand & 0x03) << 6; 1066 bits |= value; 1067 break; 1068 case kFmtShift: 1069 value = ((operand & 0x70) >> 4) << 12; 1070 value |= (operand & 0x0f) << 4; 1071 bits |= value; 1072 break; 1073 case kFmtBWidth: 1074 value = operand - 1; 1075 bits |= value; 1076 break; 1077 case kFmtLsb: 1078 value = ((operand & 0x1c) >> 2) << 12; 1079 value |= (operand & 0x03) << 6; 1080 bits |= value; 1081 break; 1082 case kFmtImm6: 1083 value = ((operand & 0x20) >> 5) << 9; 1084 value |= (operand & 0x1f) << 3; 1085 bits |= value; 1086 break; 1087 case kFmtDfp: { 1088 DCHECK(ARM_DOUBLEREG(operand)); 1089 DCHECK_EQ((operand & 0x1), 0U); 1090 uint32_t reg_name = (operand & ARM_FP_REG_MASK) >> 1; 1091 /* Snag the 1-bit slice and position it */ 1092 value = ((reg_name & 0x10) >> 4) << encoder->field_loc[i].end; 1093 /* Extract and position the 4-bit slice */ 1094 value |= (reg_name & 0x0f) << encoder->field_loc[i].start; 1095 bits |= value; 1096 break; 1097 } 1098 case kFmtSfp: 1099 DCHECK(ARM_SINGLEREG(operand)); 1100 /* Snag the 1-bit slice and position it */ 1101 value = (operand & 0x1) << encoder->field_loc[i].end; 1102 /* Extract and position the 4-bit slice */ 1103 value |= ((operand & 0x1e) >> 1) << encoder->field_loc[i].start; 1104 bits |= value; 1105 break; 1106 case kFmtImm12: 1107 case kFmtModImm: 1108 value = ((operand & 0x800) >> 11) << 26; 1109 value |= ((operand & 0x700) >> 8) << 12; 1110 value |= operand & 0x0ff; 1111 bits |= value; 1112 break; 1113 case kFmtImm16: 1114 value = ((operand & 0x0800) >> 11) << 26; 1115 value |= ((operand & 0xf000) >> 12) << 16; 1116 value |= ((operand & 0x0700) >> 8) << 12; 1117 value |= operand & 0x0ff; 1118 bits |= value; 1119 break; 1120 case kFmtOff24: { 1121 uint32_t signbit = (operand >> 31) & 0x1; 1122 uint32_t i1 = (operand >> 22) & 0x1; 1123 uint32_t i2 = (operand >> 21) & 0x1; 1124 uint32_t imm10 = (operand >> 11) & 0x03ff; 1125 uint32_t imm11 = operand & 0x07ff; 1126 uint32_t j1 = (i1 ^ signbit) ? 0 : 1; 1127 uint32_t j2 = (i2 ^ signbit) ? 0 : 1; 1128 value = (signbit << 26) | (j1 << 13) | (j2 << 11) | (imm10 << 16) | 1129 imm11; 1130 bits |= value; 1131 } 1132 break; 1133 default: 1134 LOG(FATAL) << "Bad fmt:" << encoder->field_loc[i].kind; 1135 } 1136 } 1137 } 1138 if (encoder->size == 4) { 1139 lir->u.a.bytes[0] = ((bits >> 16) & 0xff); 1140 lir->u.a.bytes[1] = ((bits >> 24) & 0xff); 1141 lir->u.a.bytes[2] = (bits & 0xff); 1142 lir->u.a.bytes[3] = ((bits >> 8) & 0xff); 1143 } else { 1144 DCHECK_EQ(encoder->size, 2); 1145 lir->u.a.bytes[0] = (bits & 0xff); 1146 lir->u.a.bytes[1] = ((bits >> 8) & 0xff); 1147 } 1148 lir->flags.size = encoder->size; 1149 } 1150} 1151 1152// Assemble the LIR into binary instruction format. 1153void ArmMir2Lir::AssembleLIR() { 1154 LIR* lir; 1155 LIR* prev_lir; 1156 int assembler_retries = 0; 1157 CodeOffset starting_offset = EncodeRange(first_lir_insn_, last_lir_insn_, 0); 1158 data_offset_ = (starting_offset + 0x3) & ~0x3; 1159 int32_t offset_adjustment; 1160 AssignDataOffsets(); 1161 1162 /* 1163 * Note: generation must be 1 on first pass (to distinguish from initialized state of 0 for non-visited nodes). 1164 * Start at zero here, and bit will be flipped to 1 on entry to the loop. 1165 */ 1166 int generation = 0; 1167 while (true) { 1168 offset_adjustment = 0; 1169 AssemblerStatus res = kSuccess; // Assume success 1170 generation ^= 1; 1171 // Note: nodes requring possible fixup linked in ascending order. 1172 lir = first_fixup_; 1173 prev_lir = NULL; 1174 while (lir != NULL) { 1175 /* 1176 * NOTE: the lir being considered here will be encoded following the switch (so long as 1177 * we're not in a retry situation). However, any new non-pc_rel instructions inserted 1178 * due to retry must be explicitly encoded at the time of insertion. Note that 1179 * inserted instructions don't need use/def flags, but do need size and pc-rel status 1180 * properly updated. 1181 */ 1182 lir->offset += offset_adjustment; 1183 // During pass, allows us to tell whether a node has been updated with offset_adjustment yet. 1184 lir->flags.generation = generation; 1185 switch (static_cast<FixupKind>(lir->flags.fixup)) { 1186 case kFixupLabel: 1187 case kFixupNone: 1188 break; 1189 case kFixupVLoad: 1190 if (lir->operands[1] != r15pc) { 1191 break; 1192 } 1193 // NOTE: intentional fallthrough. 1194 case kFixupLoad: { 1195 /* 1196 * PC-relative loads are mostly used to load immediates 1197 * that are too large to materialize directly in one shot. 1198 * However, if the load displacement exceeds the limit, 1199 * we revert to a multiple-instruction materialization sequence. 1200 */ 1201 LIR *lir_target = lir->target; 1202 CodeOffset pc = (lir->offset + 4) & ~3; 1203 CodeOffset target = lir_target->offset + 1204 ((lir_target->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1205 int32_t delta = target - pc; 1206 if (res != kSuccess) { 1207 /* 1208 * In this case, we're just estimating and will do it again for real. Ensure offset 1209 * is legal. 1210 */ 1211 delta &= ~0x3; 1212 } 1213 DCHECK_EQ((delta & 0x3), 0); 1214 // First, a sanity check for cases we shouldn't see now 1215 if (kIsDebugBuild && (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) || 1216 ((lir->opcode == kThumbLdrPcRel) && (delta > 1020)))) { 1217 // Shouldn't happen in current codegen. 1218 LOG(FATAL) << "Unexpected pc-rel offset " << delta; 1219 } 1220 // Now, check for the difficult cases 1221 if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) || 1222 ((lir->opcode == kThumb2LdrdPcRel8) && (delta > 1020)) || 1223 ((lir->opcode == kThumb2Vldrs) && (delta > 1020)) || 1224 ((lir->opcode == kThumb2Vldrd) && (delta > 1020))) { 1225 /* 1226 * Note: The reason vldrs/vldrd include rARM_LR in their use/def masks is that we 1227 * sometimes have to use it to fix up out-of-range accesses. This is where that 1228 * happens. 1229 */ 1230 int base_reg = ((lir->opcode == kThumb2LdrdPcRel8) || 1231 (lir->opcode == kThumb2LdrPcRel12)) ? lir->operands[0] : rARM_LR; 1232 1233 // Add new Adr to generate the address. 1234 LIR* new_adr = RawLIR(lir->dalvik_offset, kThumb2Adr, 1235 base_reg, 0, 0, 0, 0, lir->target); 1236 new_adr->offset = lir->offset; 1237 new_adr->flags.fixup = kFixupAdr; 1238 new_adr->flags.size = EncodingMap[kThumb2Adr].size; 1239 InsertLIRBefore(lir, new_adr); 1240 lir->offset += new_adr->flags.size; 1241 offset_adjustment += new_adr->flags.size; 1242 1243 // lir no longer pcrel, unlink and link in new_adr. 1244 ReplaceFixup(prev_lir, lir, new_adr); 1245 1246 // Convert to normal load. 1247 offset_adjustment -= lir->flags.size; 1248 if (lir->opcode == kThumb2LdrPcRel12) { 1249 lir->opcode = kThumb2LdrRRI12; 1250 } else if (lir->opcode == kThumb2LdrdPcRel8) { 1251 lir->opcode = kThumb2LdrdI8; 1252 } 1253 lir->flags.size = EncodingMap[lir->opcode].size; 1254 offset_adjustment += lir->flags.size; 1255 // Change the load to be relative to the new Adr base. 1256 if (lir->opcode == kThumb2LdrdI8) { 1257 lir->operands[3] = 0; 1258 lir->operands[2] = base_reg; 1259 } else { 1260 lir->operands[2] = 0; 1261 lir->operands[1] = base_reg; 1262 } 1263 // Must redo encoding here - won't ever revisit this node. 1264 EncodeLIR(lir); 1265 prev_lir = new_adr; // Continue scan with new_adr; 1266 lir = new_adr->u.a.pcrel_next; 1267 res = kRetryAll; 1268 continue; 1269 } else { 1270 if ((lir->opcode == kThumb2Vldrs) || 1271 (lir->opcode == kThumb2Vldrd) || 1272 (lir->opcode == kThumb2LdrdPcRel8)) { 1273 lir->operands[2] = delta >> 2; 1274 } else { 1275 lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ? delta : 1276 delta >> 2; 1277 } 1278 } 1279 break; 1280 } 1281 case kFixupCBxZ: { 1282 LIR *target_lir = lir->target; 1283 CodeOffset pc = lir->offset + 4; 1284 CodeOffset target = target_lir->offset + 1285 ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1286 int32_t delta = target - pc; 1287 if (delta > 126 || delta < 0) { 1288 /* 1289 * Convert to cmp rx,#0 / b[eq/ne] tgt pair 1290 * Make new branch instruction and insert after 1291 */ 1292 LIR* new_inst = 1293 RawLIR(lir->dalvik_offset, kThumbBCond, 0, 1294 (lir->opcode == kThumb2Cbz) ? kArmCondEq : kArmCondNe, 1295 0, 0, 0, lir->target); 1296 InsertLIRAfter(lir, new_inst); 1297 1298 /* Convert the cb[n]z to a cmp rx, #0 ] */ 1299 // Subtract the old size. 1300 offset_adjustment -= lir->flags.size; 1301 lir->opcode = kThumbCmpRI8; 1302 /* operand[0] is src1 in both cb[n]z & CmpRI8 */ 1303 lir->operands[1] = 0; 1304 lir->target = 0; 1305 EncodeLIR(lir); // NOTE: sets flags.size. 1306 // Add back the new size. 1307 DCHECK_EQ(lir->flags.size, static_cast<uint32_t>(EncodingMap[lir->opcode].size)); 1308 offset_adjustment += lir->flags.size; 1309 // Set up the new following inst. 1310 new_inst->offset = lir->offset + lir->flags.size; 1311 new_inst->flags.fixup = kFixupCondBranch; 1312 new_inst->flags.size = EncodingMap[new_inst->opcode].size; 1313 offset_adjustment += new_inst->flags.size; 1314 1315 // lir no longer pcrel, unlink and link in new_inst. 1316 ReplaceFixup(prev_lir, lir, new_inst); 1317 prev_lir = new_inst; // Continue with the new instruction. 1318 lir = new_inst->u.a.pcrel_next; 1319 res = kRetryAll; 1320 continue; 1321 } else { 1322 lir->operands[1] = delta >> 1; 1323 } 1324 break; 1325 } 1326 case kFixupPushPop: { 1327 if (__builtin_popcount(lir->operands[0]) == 1) { 1328 /* 1329 * The standard push/pop multiple instruction 1330 * requires at least two registers in the list. 1331 * If we've got just one, switch to the single-reg 1332 * encoding. 1333 */ 1334 lir->opcode = (lir->opcode == kThumb2Push) ? kThumb2Push1 : 1335 kThumb2Pop1; 1336 int reg = 0; 1337 while (lir->operands[0]) { 1338 if (lir->operands[0] & 0x1) { 1339 break; 1340 } else { 1341 reg++; 1342 lir->operands[0] >>= 1; 1343 } 1344 } 1345 lir->operands[0] = reg; 1346 // This won't change again, don't bother unlinking, just reset fixup kind 1347 lir->flags.fixup = kFixupNone; 1348 } 1349 break; 1350 } 1351 case kFixupCondBranch: { 1352 LIR *target_lir = lir->target; 1353 int32_t delta = 0; 1354 DCHECK(target_lir); 1355 CodeOffset pc = lir->offset + 4; 1356 CodeOffset target = target_lir->offset + 1357 ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1358 delta = target - pc; 1359 if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) { 1360 offset_adjustment -= lir->flags.size; 1361 lir->opcode = kThumb2BCond; 1362 lir->flags.size = EncodingMap[lir->opcode].size; 1363 // Fixup kind remains the same. 1364 offset_adjustment += lir->flags.size; 1365 res = kRetryAll; 1366 } 1367 lir->operands[0] = delta >> 1; 1368 break; 1369 } 1370 case kFixupT2Branch: { 1371 LIR *target_lir = lir->target; 1372 CodeOffset pc = lir->offset + 4; 1373 CodeOffset target = target_lir->offset + 1374 ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1375 int32_t delta = target - pc; 1376 lir->operands[0] = delta >> 1; 1377 if (!(cu_->disable_opt & (1 << kSafeOptimizations)) && lir->operands[0] == 0) { 1378 // Useless branch 1379 offset_adjustment -= lir->flags.size; 1380 lir->flags.is_nop = true; 1381 // Don't unlink - just set to do-nothing. 1382 lir->flags.fixup = kFixupNone; 1383 res = kRetryAll; 1384 } 1385 break; 1386 } 1387 case kFixupT1Branch: { 1388 LIR *target_lir = lir->target; 1389 CodeOffset pc = lir->offset + 4; 1390 CodeOffset target = target_lir->offset + 1391 ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1392 int32_t delta = target - pc; 1393 if (delta > 2046 || delta < -2048) { 1394 // Convert to Thumb2BCond w/ kArmCondAl 1395 offset_adjustment -= lir->flags.size; 1396 lir->opcode = kThumb2BUncond; 1397 lir->operands[0] = 0; 1398 lir->flags.size = EncodingMap[lir->opcode].size; 1399 lir->flags.fixup = kFixupT2Branch; 1400 offset_adjustment += lir->flags.size; 1401 res = kRetryAll; 1402 } else { 1403 lir->operands[0] = delta >> 1; 1404 if (!(cu_->disable_opt & (1 << kSafeOptimizations)) && lir->operands[0] == -1) { 1405 // Useless branch 1406 offset_adjustment -= lir->flags.size; 1407 lir->flags.is_nop = true; 1408 // Don't unlink - just set to do-nothing. 1409 lir->flags.fixup = kFixupNone; 1410 res = kRetryAll; 1411 } 1412 } 1413 break; 1414 } 1415 case kFixupBlx1: { 1416 DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2); 1417 /* cur_pc is Thumb */ 1418 CodeOffset cur_pc = (lir->offset + 4) & ~3; 1419 CodeOffset target = lir->operands[1]; 1420 1421 /* Match bit[1] in target with base */ 1422 if (cur_pc & 0x2) { 1423 target |= 0x2; 1424 } 1425 int32_t delta = target - cur_pc; 1426 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2))); 1427 1428 lir->operands[0] = (delta >> 12) & 0x7ff; 1429 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff; 1430 break; 1431 } 1432 case kFixupBl1: { 1433 DCHECK(NEXT_LIR(lir)->opcode == kThumbBl2); 1434 /* Both cur_pc and target are Thumb */ 1435 CodeOffset cur_pc = lir->offset + 4; 1436 CodeOffset target = lir->operands[1]; 1437 1438 int32_t delta = target - cur_pc; 1439 DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2))); 1440 1441 lir->operands[0] = (delta >> 12) & 0x7ff; 1442 NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff; 1443 break; 1444 } 1445 case kFixupAdr: { 1446 EmbeddedData *tab_rec = reinterpret_cast<EmbeddedData*>(UnwrapPointer(lir->operands[2])); 1447 LIR* target = lir->target; 1448 int32_t target_disp = (tab_rec != NULL) ? tab_rec->offset + offset_adjustment 1449 : target->offset + ((target->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); 1450 int32_t disp = target_disp - ((lir->offset + 4) & ~3); 1451 if (disp < 4096) { 1452 lir->operands[1] = disp; 1453 } else { 1454 // convert to ldimm16l, ldimm16h, add tgt, pc, operands[0] 1455 // TUNING: if this case fires often, it can be improved. Not expected to be common. 1456 LIR *new_mov16L = 1457 RawLIR(lir->dalvik_offset, kThumb2MovImm16LST, lir->operands[0], 0, 1458 WrapPointer(lir), WrapPointer(tab_rec), 0, lir->target); 1459 new_mov16L->flags.size = EncodingMap[new_mov16L->opcode].size; 1460 new_mov16L->flags.fixup = kFixupMovImmLST; 1461 new_mov16L->offset = lir->offset; 1462 // Link the new instruction, retaining lir. 1463 InsertLIRBefore(lir, new_mov16L); 1464 lir->offset += new_mov16L->flags.size; 1465 offset_adjustment += new_mov16L->flags.size; 1466 InsertFixupBefore(prev_lir, lir, new_mov16L); 1467 prev_lir = new_mov16L; // Now we've got a new prev. 1468 LIR *new_mov16H = 1469 RawLIR(lir->dalvik_offset, kThumb2MovImm16HST, lir->operands[0], 0, 1470 WrapPointer(lir), WrapPointer(tab_rec), 0, lir->target); 1471 new_mov16H->flags.size = EncodingMap[new_mov16H->opcode].size; 1472 new_mov16H->flags.fixup = kFixupMovImmHST; 1473 new_mov16H->offset = lir->offset; 1474 // Link the new instruction, retaining lir. 1475 InsertLIRBefore(lir, new_mov16H); 1476 lir->offset += new_mov16H->flags.size; 1477 offset_adjustment += new_mov16H->flags.size; 1478 InsertFixupBefore(prev_lir, lir, new_mov16H); 1479 prev_lir = new_mov16H; // Now we've got a new prev. 1480 1481 offset_adjustment -= lir->flags.size; 1482 if (ARM_LOWREG(lir->operands[0])) { 1483 lir->opcode = kThumbAddRRLH; 1484 } else { 1485 lir->opcode = kThumbAddRRHH; 1486 } 1487 lir->operands[1] = rARM_PC; 1488 lir->flags.size = EncodingMap[lir->opcode].size; 1489 offset_adjustment += lir->flags.size; 1490 // Must stay in fixup list and have offset updated; will be used by LST/HSP pair. 1491 lir->flags.fixup = kFixupNone; 1492 res = kRetryAll; 1493 } 1494 break; 1495 } 1496 case kFixupMovImmLST: { 1497 // operands[1] should hold disp, [2] has add, [3] has tab_rec 1498 LIR *addPCInst = reinterpret_cast<LIR*>(UnwrapPointer(lir->operands[2])); 1499 EmbeddedData *tab_rec = reinterpret_cast<EmbeddedData*>(UnwrapPointer(lir->operands[3])); 1500 // If tab_rec is null, this is a literal load. Use target 1501 LIR* target = lir->target; 1502 int32_t target_disp = tab_rec ? tab_rec->offset : target->offset; 1503 lir->operands[1] = (target_disp - (addPCInst->offset + 4)) & 0xffff; 1504 break; 1505 } 1506 case kFixupMovImmHST: { 1507 // operands[1] should hold disp, [2] has add, [3] has tab_rec 1508 LIR *addPCInst = reinterpret_cast<LIR*>(UnwrapPointer(lir->operands[2])); 1509 EmbeddedData *tab_rec = reinterpret_cast<EmbeddedData*>(UnwrapPointer(lir->operands[3])); 1510 // If tab_rec is null, this is a literal load. Use target 1511 LIR* target = lir->target; 1512 int32_t target_disp = tab_rec ? tab_rec->offset : target->offset; 1513 lir->operands[1] = 1514 ((target_disp - (addPCInst->offset + 4)) >> 16) & 0xffff; 1515 break; 1516 } 1517 case kFixupAlign4: { 1518 int32_t required_size = lir->offset & 0x2; 1519 if (lir->flags.size != required_size) { 1520 offset_adjustment += required_size - lir->flags.size; 1521 lir->flags.size = required_size; 1522 res = kRetryAll; 1523 } 1524 break; 1525 } 1526 default: 1527 LOG(FATAL) << "Unexpected case " << lir->flags.fixup; 1528 } 1529 /* 1530 * If one of the pc-relative instructions expanded we'll have 1531 * to make another pass. Don't bother to fully assemble the 1532 * instruction. 1533 */ 1534 if (res == kSuccess) { 1535 EncodeLIR(lir); 1536 if (assembler_retries == 0) { 1537 // Go ahead and fix up the code buffer image. 1538 for (int i = 0; i < lir->flags.size; i++) { 1539 code_buffer_[lir->offset + i] = lir->u.a.bytes[i]; 1540 } 1541 } 1542 } 1543 prev_lir = lir; 1544 lir = lir->u.a.pcrel_next; 1545 } 1546 1547 if (res == kSuccess) { 1548 break; 1549 } else { 1550 assembler_retries++; 1551 if (assembler_retries > MAX_ASSEMBLER_RETRIES) { 1552 CodegenDump(); 1553 LOG(FATAL) << "Assembler error - too many retries"; 1554 } 1555 starting_offset += offset_adjustment; 1556 data_offset_ = (starting_offset + 0x3) & ~0x3; 1557 AssignDataOffsets(); 1558 } 1559 } 1560 1561 // Rebuild the CodeBuffer if we had to retry; otherwise it should be good as-is. 1562 if (assembler_retries != 0) { 1563 code_buffer_.clear(); 1564 for (LIR* lir = first_lir_insn_; lir != NULL; lir = NEXT_LIR(lir)) { 1565 if (lir->flags.is_nop) { 1566 continue; 1567 } else { 1568 for (int i = 0; i < lir->flags.size; i++) { 1569 code_buffer_.push_back(lir->u.a.bytes[i]); 1570 } 1571 } 1572 } 1573 } 1574 1575 data_offset_ = (code_buffer_.size() + 0x3) & ~0x3; 1576 1577 // Install literals 1578 InstallLiteralPools(); 1579 1580 // Install switch tables 1581 InstallSwitchTables(); 1582 1583 // Install fill array data 1584 InstallFillArrayData(); 1585 1586 // Create the mapping table and native offset to reference map. 1587 CreateMappingTables(); 1588 1589 CreateNativeGcMap(); 1590} 1591 1592int ArmMir2Lir::GetInsnSize(LIR* lir) { 1593 DCHECK(!IsPseudoLirOp(lir->opcode)); 1594 return EncodingMap[lir->opcode].size; 1595} 1596 1597// Encode instruction bit pattern and assign offsets. 1598uint32_t ArmMir2Lir::EncodeRange(LIR* head_lir, LIR* tail_lir, uint32_t offset) { 1599 LIR* end_lir = tail_lir->next; 1600 1601 /* 1602 * A significant percentage of methods can be assembled in a single pass. We'll 1603 * go ahead and build the code image here, leaving holes for pc-relative fixup 1604 * codes. If the code size changes during that pass, we'll have to throw away 1605 * this work - but if not, we're ready to go. 1606 */ 1607 code_buffer_.reserve(estimated_native_code_size_ + 256); // Add a little slop. 1608 LIR* last_fixup = NULL; 1609 for (LIR* lir = head_lir; lir != end_lir; lir = NEXT_LIR(lir)) { 1610 lir->offset = offset; 1611 if (!lir->flags.is_nop) { 1612 if (lir->flags.fixup != kFixupNone) { 1613 if (!IsPseudoLirOp(lir->opcode)) { 1614 lir->flags.size = EncodingMap[lir->opcode].size; 1615 lir->flags.fixup = EncodingMap[lir->opcode].fixup; 1616 } else if (UNLIKELY(lir->opcode == kPseudoPseudoAlign4)) { 1617 lir->flags.size = (offset & 0x2); 1618 lir->flags.fixup = kFixupAlign4; 1619 } else { 1620 lir->flags.size = 0; 1621 lir->flags.fixup = kFixupLabel; 1622 } 1623 // Link into the fixup chain. 1624 lir->flags.use_def_invalid = true; 1625 lir->u.a.pcrel_next = NULL; 1626 if (first_fixup_ == NULL) { 1627 first_fixup_ = lir; 1628 } else { 1629 last_fixup->u.a.pcrel_next = lir; 1630 } 1631 last_fixup = lir; 1632 } else { 1633 EncodeLIR(lir); 1634 } 1635 for (int i = 0; i < lir->flags.size; i++) { 1636 code_buffer_.push_back(lir->u.a.bytes[i]); 1637 } 1638 offset += lir->flags.size; 1639 } 1640 } 1641 return offset; 1642} 1643 1644void ArmMir2Lir::AssignDataOffsets() { 1645 /* Set up offsets for literals */ 1646 CodeOffset offset = data_offset_; 1647 1648 offset = AssignLiteralOffset(offset); 1649 1650 offset = AssignSwitchTablesOffset(offset); 1651 1652 total_size_ = AssignFillArrayDataOffset(offset); 1653} 1654 1655} // namespace art 1656