/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "../../Dalvik.h" #include "../../CompilerInternals.h" #include "ArmLIR.h" #include "Codegen.h" #include /* for protection change */ #define MAX_ASSEMBLER_RETRIES 50 /* * opcode: ArmOpcode enum * skeleton: pre-designated bit-pattern for this opcode * k0: key to applying ds/de * ds: dest start bit position * de: dest end bit position * k1: key to applying s1s/s1e * s1s: src1 start bit position * s1e: src1 end bit position * k2: key to applying s2s/s2e * s2s: src2 start bit position * s2e: src2 end bit position * operands: number of operands (for sanity check purposes) * name: mnemonic name * fmt: for pretty-printing */ #define ENCODING_MAP(opcode, skeleton, k0, ds, de, k1, s1s, s1e, k2, s2s, s2e, \ k3, k3s, k3e, flags, name, fmt, size) \ {skeleton, {{k0, ds, de}, {k1, s1s, s1e}, {k2, s2s, s2e}, \ {k3, k3s, k3e}}, opcode, flags, name, fmt, size} /* Instruction dump string format keys: !pf, where "!" is the start * of the key, "p" is which numeric operand to use and "f" is the * print format. * * [p]ositions: * 0 -> operands[0] (dest) * 1 -> operands[1] (src1) * 2 -> operands[2] (src2) * 3 -> operands[3] (extra) * * [f]ormats: * h -> 4-digit hex * d -> decimal * E -> decimal*4 * F -> decimal*2 * c -> branch condition (beq, bne, etc.) * t -> pc-relative target * u -> 1st half of bl[x] target * v -> 2nd half ob bl[x] target * R -> register list * s -> single precision floating point register * S -> double precision floating point register * m -> Thumb2 modified immediate * n -> complimented Thumb2 modified immediate * M -> Thumb2 16-bit zero-extended immediate * b -> 4-digit binary * B -> dmb option string (sy, st, ish, ishst, nsh, hshst) * H -> operand shift * C -> core register name * P -> fp cs register list (base of s16) * Q -> fp cs register list (base of s0) * * [!] escape. To insert "!", use "!!" */ /* NOTE: must be kept in sync with enum ArmOpcode from ArmLIR.h */ ArmEncodingMap EncodingMap[kArmLast] = { ENCODING_MAP(kArm16BitData, 0x0000, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP, "data", "0x!0h(!0d)", 1), ENCODING_MAP(kThumbAdcRR, 0x4140, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES | USES_CCODES, "adcs", "!0C, !1C", 1), ENCODING_MAP(kThumbAddRRI3, 0x1c00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "adds", "!0C, !1C, #!2d", 1), ENCODING_MAP(kThumbAddRI8, 0x3000, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES, "adds", "!0C, !0C, #!1d", 1), ENCODING_MAP(kThumbAddRRR, 0x1800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES, "adds", "!0C, !1C, !2C", 1), ENCODING_MAP(kThumbAddRRLH, 0x4440, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, "add", "!0C, !1C", 1), ENCODING_MAP(kThumbAddRRHL, 0x4480, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, "add", "!0C, !1C", 1), ENCODING_MAP(kThumbAddRRHH, 0x44c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01, "add", "!0C, !1C", 1), ENCODING_MAP(kThumbAddPcRel, 0xa000, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH, "add", "!0C, pc, #!1E", 1), ENCODING_MAP(kThumbAddSpRel, 0xa800, kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF_SP | REG_USE_SP, "add", "!0C, sp, #!2E", 1), ENCODING_MAP(kThumbAddSpI7, 0xb000, kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP, "add", "sp, #!0d*4", 1), ENCODING_MAP(kThumbAndRR, 0x4000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "ands", "!0C, !1C", 1), ENCODING_MAP(kThumbAsrRRI5, 0x1000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "asrs", "!0C, !1C, #!2d", 1), ENCODING_MAP(kThumbAsrRR, 0x4100, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "asrs", "!0C, !1C", 1), ENCODING_MAP(kThumbBCond, 0xd000, kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES, "b!1c", "!0t", 1), ENCODING_MAP(kThumbBUncond, 0xe000, kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH, "b", "!0t", 1), ENCODING_MAP(kThumbBicRR, 0x4380, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "bics", "!0C, !1C", 1), ENCODING_MAP(kThumbBkpt, 0xbe00, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, "bkpt", "!0d", 1), ENCODING_MAP(kThumbBlx1, 0xf000, kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR, "blx_1", "!0u", 1), ENCODING_MAP(kThumbBlx2, 0xe800, kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR, "blx_2", "!0v", 1), ENCODING_MAP(kThumbBl1, 0xf000, kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR, "bl_1", "!0u", 1), ENCODING_MAP(kThumbBl2, 0xf800, kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR, "bl_2", "!0v", 1), ENCODING_MAP(kThumbBlxR, 0x4780, kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR, "blx", "!0C", 1), ENCODING_MAP(kThumbBx, 0x4700, kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, "bx", "!0C", 1), ENCODING_MAP(kThumbCmnRR, 0x42c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, "cmn", "!0C, !1C", 1), ENCODING_MAP(kThumbCmpRI8, 0x2800, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES, "cmp", "!0C, #!1d", 1), ENCODING_MAP(kThumbCmpRR, 0x4280, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, "cmp", "!0C, !1C", 1), ENCODING_MAP(kThumbCmpLH, 0x4540, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, "cmp", "!0C, !1C", 1), ENCODING_MAP(kThumbCmpHL, 0x4580, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, "cmp", "!0C, !1C", 1), ENCODING_MAP(kThumbCmpHH, 0x45c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, "cmp", "!0C, !1C", 1), ENCODING_MAP(kThumbEorRR, 0x4040, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "eors", "!0C, !1C", 1), ENCODING_MAP(kThumbLdmia, 0xc800, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, "ldmia", "!0C!!, ", 1), ENCODING_MAP(kThumbLdrRRI5, 0x6800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldr", "!0C, [!1C, #!2E]", 1), ENCODING_MAP(kThumbLdrRRR, 0x5800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, "ldr", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbLdrPcRel, 0x4800, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD, "ldr", "!0C, [pc, #!1E]", 1), ENCODING_MAP(kThumbLdrSpRel, 0x9800, kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_SP | IS_LOAD, "ldr", "!0C, [sp, #!2E]", 1), ENCODING_MAP(kThumbLdrbRRI5, 0x7800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrb", "!0C, [!1C, #2d]", 1), ENCODING_MAP(kThumbLdrbRRR, 0x5c00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, "ldrb", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbLdrhRRI5, 0x8800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrh", "!0C, [!1C, #!2F]", 1), ENCODING_MAP(kThumbLdrhRRR, 0x5a00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, "ldrh", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbLdrsbRRR, 0x5600, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, "ldrsb", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbLdrshRRR, 0x5e00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, "ldrsh", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbLslRRI5, 0x0000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "lsls", "!0C, !1C, #!2d", 1), ENCODING_MAP(kThumbLslRR, 0x4080, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "lsls", "!0C, !1C", 1), ENCODING_MAP(kThumbLsrRRI5, 0x0800, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "lsrs", "!0C, !1C, #!2d", 1), ENCODING_MAP(kThumbLsrRR, 0x40c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "lsrs", "!0C, !1C", 1), ENCODING_MAP(kThumbMovImm, 0x2000, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | SETS_CCODES, "movs", "!0C, #!1d", 1), ENCODING_MAP(kThumbMovRR, 0x1c00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, "movs", "!0C, !1C", 1), ENCODING_MAP(kThumbMovRR_H2H, 0x46c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "mov", "!0C, !1C", 1), ENCODING_MAP(kThumbMovRR_H2L, 0x4640, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "mov", "!0C, !1C", 1), ENCODING_MAP(kThumbMovRR_L2H, 0x4680, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "mov", "!0C, !1C", 1), ENCODING_MAP(kThumbMul, 0x4340, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "muls", "!0C, !1C", 1), ENCODING_MAP(kThumbMvn, 0x43c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, "mvns", "!0C, !1C", 1), ENCODING_MAP(kThumbNeg, 0x4240, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, "negs", "!0C, !1C", 1), ENCODING_MAP(kThumbOrr, 0x4300, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "orrs", "!0C, !1C", 1), ENCODING_MAP(kThumbPop, 0xbc00, kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0 | IS_LOAD, "pop", "", 1), ENCODING_MAP(kThumbPush, 0xb400, kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0 | IS_STORE, "push", "", 1), ENCODING_MAP(kThumbRorRR, 0x41c0, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES, "rors", "!0C, !1C", 1), ENCODING_MAP(kThumbSbc, 0x4180, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01 | USES_CCODES | SETS_CCODES, "sbcs", "!0C, !1C", 1), ENCODING_MAP(kThumbStmia, 0xc000, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE0 | REG_USE_LIST1 | IS_STORE, "stmia", "!0C!!, ", 1), ENCODING_MAP(kThumbStrRRI5, 0x6000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "str", "!0C, [!1C, #!2E]", 1), ENCODING_MAP(kThumbStrRRR, 0x5000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, "str", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbStrSpRel, 0x9000, kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_SP | IS_STORE, "str", "!0C, [sp, #!2E]", 1), ENCODING_MAP(kThumbStrbRRI5, 0x7000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "strb", "!0C, [!1C, #!2d]", 1), ENCODING_MAP(kThumbStrbRRR, 0x5400, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, "strb", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbStrhRRI5, 0x8000, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "strh", "!0C, [!1C, #!2F]", 1), ENCODING_MAP(kThumbStrhRRR, 0x5200, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, "strh", "!0C, [!1C, !2C]", 1), ENCODING_MAP(kThumbSubRRI3, 0x1e00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "subs", "!0C, !1C, #!2d", 1), ENCODING_MAP(kThumbSubRI8, 0x3800, kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES, "subs", "!0C, #!1d", 1), ENCODING_MAP(kThumbSubRRR, 0x1a00, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES, "subs", "!0C, !1C, !2C", 1), ENCODING_MAP(kThumbSubSpI7, 0xb080, kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP, "sub", "sp, #!0d*4", 1), ENCODING_MAP(kThumbSwi, 0xdf00, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, "swi", "!0d", 1), ENCODING_MAP(kThumbTst, 0x4200, kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE01 | SETS_CCODES, "tst", "!0C, !1C", 1), ENCODING_MAP(kThumb2Vldrs, 0xed900a00, kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD | REG_DEF_LR, "vldr", "!0s, [!1C, #!2E]", 2), ENCODING_MAP(kThumb2Vldrd, 0xed900b00, kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD | REG_DEF_LR, "vldr", "!0S, [!1C, #!2E]", 2), ENCODING_MAP(kThumb2Vmuls, 0xee200a00, kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vmuls", "!0s, !1s, !2s", 2), ENCODING_MAP(kThumb2Vmuld, 0xee200b00, kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vmuld", "!0S, !1S, !2S", 2), ENCODING_MAP(kThumb2Vstrs, 0xed800a00, kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "vstr", "!0s, [!1C, #!2E]", 2), ENCODING_MAP(kThumb2Vstrd, 0xed800b00, kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "vstr", "!0S, [!1C, #!2E]", 2), ENCODING_MAP(kThumb2Vsubs, 0xee300a40, kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vsub", "!0s, !1s, !2s", 2), ENCODING_MAP(kThumb2Vsubd, 0xee300b40, kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vsub", "!0S, !1S, !2S", 2), ENCODING_MAP(kThumb2Vadds, 0xee300a00, kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vadd", "!0s, !1s, !2s", 2), ENCODING_MAP(kThumb2Vaddd, 0xee300b00, kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vadd", "!0S, !1S, !2S", 2), ENCODING_MAP(kThumb2Vdivs, 0xee800a00, kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vdivs", "!0s, !1s, !2s", 2), ENCODING_MAP(kThumb2Vdivd, 0xee800b00, kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "vdivd", "!0S, !1S, !2S", 2), ENCODING_MAP(kThumb2VcvtIF, 0xeeb80ac0, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.f32", "!0s, !1s", 2), ENCODING_MAP(kThumb2VcvtID, 0xeeb80bc0, kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.f64", "!0S, !1s", 2), ENCODING_MAP(kThumb2VcvtFI, 0xeebd0ac0, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.s32.f32 ", "!0s, !1s", 2), ENCODING_MAP(kThumb2VcvtDI, 0xeebd0bc0, kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.s32.f64 ", "!0s, !1S", 2), ENCODING_MAP(kThumb2VcvtFd, 0xeeb70ac0, kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.f64.f32 ", "!0S, !1s", 2), ENCODING_MAP(kThumb2VcvtDF, 0xeeb70bc0, kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vcvt.f32.f64 ", "!0s, !1S", 2), ENCODING_MAP(kThumb2Vsqrts, 0xeeb10ac0, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vsqrt.f32 ", "!0s, !1s", 2), ENCODING_MAP(kThumb2Vsqrtd, 0xeeb10bc0, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vsqrt.f64 ", "!0S, !1S", 2), ENCODING_MAP(kThumb2MovImmShift, 0xf04f0000, /* no setflags encoding */ kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "mov", "!0C, #!1m", 2), ENCODING_MAP(kThumb2MovImm16, 0xf2400000, kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "mov", "!0C, #!1M", 2), ENCODING_MAP(kThumb2StrRRI12, 0xf8c00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "str", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2LdrRRI12, 0xf8d00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldr", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2StrRRI8Predec, 0xf8400c00, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "str", "!0C, [!1C, #-!2d]", 2), ENCODING_MAP(kThumb2LdrRRI8Predec, 0xf8500c00, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldr", "!0C, [!1C, #-!2d]", 2), ENCODING_MAP(kThumb2Cbnz, 0xb900, /* Note: does not affect flags */ kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH, "cbnz", "!0C,!1t", 1), ENCODING_MAP(kThumb2Cbz, 0xb100, /* Note: does not affect flags */ kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH, "cbz", "!0C,!1t", 1), ENCODING_MAP(kThumb2AddRRI12, 0xf2000000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */ "add", "!0C,!1C,#!2d", 2), ENCODING_MAP(kThumb2MovRR, 0xea4f0000, /* no setflags encoding */ kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "mov", "!0C, !1C", 2), ENCODING_MAP(kThumb2Vmovs, 0xeeb00a40, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vmov.f32 ", " !0s, !1s", 2), ENCODING_MAP(kThumb2Vmovd, 0xeeb00b40, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vmov.f64 ", " !0S, !1S", 2), ENCODING_MAP(kThumb2Ldmia, 0xe8900000, kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, "ldmia", "!0C!!, ", 2), ENCODING_MAP(kThumb2Stmia, 0xe8800000, kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | REG_USE_LIST1 | IS_STORE, "stmia", "!0C!!, ", 2), ENCODING_MAP(kThumb2AddRRR, 0xeb100000, /* setflags encoding */ kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, "adds", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2SubRRR, 0xebb00000, /* setflags enconding */ kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, "subs", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2SbcRRR, 0xeb700000, /* setflags encoding */ kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES | SETS_CCODES, "sbcs", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2CmpRR, 0xebb00f00, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, "cmp", "!0C, !1C", 2), ENCODING_MAP(kThumb2SubRRI12, 0xf2a00000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */ "sub", "!0C,!1C,#!2d", 2), ENCODING_MAP(kThumb2MvnImm12, 0xf06f0000, /* no setflags encoding */ kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "mvn", "!0C, #!1n", 2), ENCODING_MAP(kThumb2Sel, 0xfaa0f080, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | USES_CCODES, "sel", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2Ubfx, 0xf3c00000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1, kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, "ubfx", "!0C, !1C, #!2d, #!3d", 2), ENCODING_MAP(kThumb2Sbfx, 0xf3400000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1, kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, "sbfx", "!0C, !1C, #!2d, #!3d", 2), ENCODING_MAP(kThumb2LdrRRR, 0xf8500000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, "ldr", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2LdrhRRR, 0xf8300000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, "ldrh", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2LdrshRRR, 0xf9300000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, "ldrsh", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2LdrbRRR, 0xf8100000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, "ldrb", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2LdrsbRRR, 0xf9100000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, "ldrsb", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2StrRRR, 0xf8400000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, "str", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2StrhRRR, 0xf8200000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, "strh", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2StrbRRR, 0xf8000000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE, "strb", "!0C, [!1C, !2C, LSL #!3d]", 2), ENCODING_MAP(kThumb2LdrhRRI12, 0xf8b00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrh", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2LdrshRRI12, 0xf9b00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrsh", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2LdrbRRI12, 0xf8900000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrb", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2LdrsbRRI12, 0xf9900000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrsb", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2StrhRRI12, 0xf8a00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "strh", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2StrbRRI12, 0xf8800000, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, "strb", "!0C, [!1C, #!2d]", 2), ENCODING_MAP(kThumb2Pop, 0xe8bd0000, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0 | IS_LOAD, "pop", "", 2), ENCODING_MAP(kThumb2Push, 0xe92d0000, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0 | IS_STORE, "push", "", 2), ENCODING_MAP(kThumb2CmpRI8, 0xf1b00f00, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES, "cmp", "!0C, #!1m", 2), ENCODING_MAP(kThumb2AdcRRR, 0xeb500000, /* setflags encoding */ kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, "adcs", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2AndRRR, 0xea000000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, "and", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2BicRRR, 0xea200000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, "bic", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2CmnRR, 0xeb000000, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "cmn", "!0C, !1C, shift !2d", 2), ENCODING_MAP(kThumb2EorRRR, 0xea800000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, "eor", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2MulRRR, 0xfb00f000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "mul", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2MnvRR, 0xea6f0000, kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "mvn", "!0C, !1C, shift !2d", 2), ENCODING_MAP(kThumb2RsubRRI8, 0xf1d00000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "rsb", "!0C,!1C,#!2m", 2), ENCODING_MAP(kThumb2NegRR, 0xf1d00000, /* instance of rsub */ kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES, "neg", "!0C,!1C", 2), ENCODING_MAP(kThumb2OrrRRR, 0xea400000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, "orr", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2TstRR, 0xea100f00, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, "tst", "!0C, !1C, shift !2d", 2), ENCODING_MAP(kThumb2LslRRR, 0xfa00f000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "lsl", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2LsrRRR, 0xfa20f000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "lsr", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2AsrRRR, 0xfa40f000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "asr", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2RorRRR, 0xfa60f000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "ror", "!0C, !1C, !2C", 2), ENCODING_MAP(kThumb2LslRRI5, 0xea4f0000, kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "lsl", "!0C, !1C, #!2d", 2), ENCODING_MAP(kThumb2LsrRRI5, 0xea4f0010, kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "lsr", "!0C, !1C, #!2d", 2), ENCODING_MAP(kThumb2AsrRRI5, 0xea4f0020, kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "asr", "!0C, !1C, #!2d", 2), ENCODING_MAP(kThumb2RorRRI5, 0xea4f0030, kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "ror", "!0C, !1C, #!2d", 2), ENCODING_MAP(kThumb2BicRRI8, 0xf0200000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "bic", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2AndRRI8, 0xf0000000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "and", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2OrrRRI8, 0xf0400000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "orr", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2EorRRI8, 0xf0800000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, "eor", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2AddRRI8, 0xf1100000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "adds", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2AdcRRI8, 0xf1500000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES, "adcs", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2SubRRI8, 0xf1b00000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "subs", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2SbcRRI8, 0xf1700000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES, "sbcs", "!0C, !1C, #!2m", 2), ENCODING_MAP(kThumb2It, 0xbf00, kFmtBitBlt, 7, 4, kFmtBitBlt, 3, 0, kFmtModImm, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | IS_IT | USES_CCODES, "it:!1b", "!0c", 1), ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES, "fmstat", "", 2), ENCODING_MAP(kThumb2Vcmpd, 0xeeb40b40, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01, "vcmp.f64", "!0S, !1S", 2), ENCODING_MAP(kThumb2Vcmps, 0xeeb40a40, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01, "vcmp.f32", "!0s, !1s", 2), ENCODING_MAP(kThumb2LdrPcRel12, 0xf8df0000, kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD, "ldr", "!0C, [r15pc, #!1d]", 2), ENCODING_MAP(kThumb2BCond, 0xf0008000, kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES, "b!1c", "!0t", 2), ENCODING_MAP(kThumb2Vmovd_RR, 0xeeb00b40, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vmov.f64", "!0S, !1S", 2), ENCODING_MAP(kThumb2Vmovs_RR, 0xeeb00a40, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vmov.f32", "!0s, !1s", 2), ENCODING_MAP(kThumb2Fmrs, 0xee100a10, kFmtBitBlt, 15, 12, kFmtSfp, 7, 16, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "fmrs", "!0C, !1s", 2), ENCODING_MAP(kThumb2Fmsr, 0xee000a10, kFmtSfp, 7, 16, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "fmsr", "!0s, !1C", 2), ENCODING_MAP(kThumb2Fmrrd, 0xec500b10, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtDfp, 5, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01_USE2, "fmrrd", "!0C, !1C, !2S", 2), ENCODING_MAP(kThumb2Fmdrr, 0xec400b10, kFmtDfp, 5, 0, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, "fmdrr", "!0S, !1C, !2C", 2), ENCODING_MAP(kThumb2Vabsd, 0xeeb00bc0, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vabs.f64", "!0S, !1S", 2), ENCODING_MAP(kThumb2Vabss, 0xeeb00ac0, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vabs.f32", "!0s, !1s", 2), ENCODING_MAP(kThumb2Vnegd, 0xeeb10b40, kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vneg.f64", "!0S, !1S", 2), ENCODING_MAP(kThumb2Vnegs, 0xeeb10a40, kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, "vneg.f32", "!0s, !1s", 2), ENCODING_MAP(kThumb2Vmovs_IMM8, 0xeeb00a00, kFmtSfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "vmov.f32", "!0s, #0x!1h", 2), ENCODING_MAP(kThumb2Vmovd_IMM8, 0xeeb00b00, kFmtDfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "vmov.f64", "!0S, #0x!1h", 2), ENCODING_MAP(kThumb2Mla, 0xfb000000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtBitBlt, 15, 12, IS_QUAD_OP | REG_DEF0 | REG_USE1 | REG_USE2 | REG_USE3, "mla", "!0C, !1C, !2C, !3C", 2), ENCODING_MAP(kThumb2Umull, 0xfba00000, kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3, "umull", "!0C, !1C, !2C, !3C", 2), ENCODING_MAP(kThumb2Ldrex, 0xe8500f00, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, "ldrex", "!0C, [!1C, #!2E]", 2), ENCODING_MAP(kThumb2Strex, 0xe8400000, kFmtBitBlt, 11, 8, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0, IS_QUAD_OP | REG_DEF0_USE12 | IS_STORE, "strex", "!0C,!1C, [!2C, #!2E]", 2), ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, NO_OPERAND, "clrex", "", 2), ENCODING_MAP(kThumb2Bfi, 0xf3600000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0, IS_QUAD_OP | REG_DEF0_USE1, "bfi", "!0C,!1C,#!2d,#!3d", 2), ENCODING_MAP(kThumb2Bfc, 0xf36f0000, kFmtBitBlt, 11, 8, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0, "bfc", "!0C,#!1d,#!2d", 2), ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP, "dmb","#!0B",2), ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000, kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD, "ldr", "!0C, [r15pc, -#!1d]", 2), ENCODING_MAP(kThumb2Stm, 0xe9000000, kFmtBitBlt, 19, 16, kFmtBitBlt, 12, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | REG_USE_LIST1 | IS_STORE, "stm", "!0C, ", 2), ENCODING_MAP(kThumbUndefined, 0xde00, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, NO_OPERAND, "undefined", "", 1), // NOTE: vpop, vpush hard-encoded for s16+ reg list ENCODING_MAP(kThumb2VPopCS, 0xecbd8a00, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_FPCS_LIST0 | IS_LOAD, "vpop", "", 2), ENCODING_MAP(kThumb2VPushCS, 0xed2d8a00, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_FPCS_LIST0 | IS_STORE, "vpush", "", 2), ENCODING_MAP(kThumb2Vldms, 0xec900a00, kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_DEF_FPCS_LIST2 | IS_LOAD, "vldms", "!0C, ", 2), ENCODING_MAP(kThumb2Vstms, 0xec800a00, kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_FPCS_LIST2 | IS_STORE, "vstms", "!0C, ", 2), ENCODING_MAP(kThumb2BUncond, 0xf0009000, kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH, "b", "!0t", 2), ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000, kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "movh", "!0C, #!1M", 2), ENCODING_MAP(kThumb2AddPCR, 0x4487, kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE0 | IS_BRANCH, "add", "rPC, !0C", 1), ENCODING_MAP(kThumb2Adr, 0xf20f0000, kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0,/* Note: doesn't affect flags */ "adr", "!0C,#!1d", 2), ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000, kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "mov", "!0C, #!1M", 2), ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000, kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, "movh", "!0C, #!1M", 2), ENCODING_MAP(kThumb2LdmiaWB, 0xe8b00000, kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD, "ldmia", "!0C!!, ", 2), ENCODING_MAP(kThumb2SubsRRI12, 0xf1b00000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1, kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, "subs", "!0C,!1C,#!2d", 2), ENCODING_MAP(kThumb2OrrRRRs, 0xea500000, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES, "orrs", "!0C, !1C, !2C!3H", 2), ENCODING_MAP(kThumb2Push1, 0xf84d0d04, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE0 | IS_STORE, "push1", "!0C", 2), ENCODING_MAP(kThumb2Pop1, 0xf85d0b04, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF0 | IS_LOAD, "pop1", "!0C", 2), }; /* * The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is * not ready. Since r5FP is not updated often, it is less likely to * generate unnecessary stall cycles. * TUNING: No longer true - find new NOP pattern. */ #define PADDING_MOV_R5_R5 0x1C2D STATIC void pushWord(std::vector&buf, int data) { buf.push_back( data & 0xffff); buf.push_back( (data >> 16) & 0xffff); } void alignBuffer(std::vector&buf, size_t offset) { while (buf.size() < (offset/2)) buf.push_back(0); } /* Write the numbers in the constant to the output stream */ STATIC void installLiteralPools(CompilationUnit* cUnit) { alignBuffer(cUnit->codeBuffer, cUnit->dataOffset); ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList; while (dataLIR) { pushWord(cUnit->codeBuffer, dataLIR->operands[0]); dataLIR = NEXT_LIR(dataLIR); } } /* Write the switch tables to the output stream */ STATIC void installSwitchTables(CompilationUnit* cUnit) { GrowableListIterator iterator; oatGrowableListIteratorInit(&cUnit->switchTables, &iterator); while (true) { SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext( &iterator); if (tabRec == NULL) break; alignBuffer(cUnit->codeBuffer, tabRec->offset); int bxOffset = tabRec->bxInst->generic.offset + 4; if (cUnit->printMe) { LOG(INFO) << "Switch table for offset 0x" << std::hex << bxOffset; } if (tabRec->table[0] == kSparseSwitchSignature) { int* keys = (int*)&(tabRec->table[2]); for (int elems = 0; elems < tabRec->table[1]; elems++) { int disp = tabRec->targets[elems]->generic.offset - bxOffset; if (cUnit->printMe) { LOG(INFO) << " Case[" << elems << "] key: 0x" << std::hex << keys[elems] << ", disp: 0x" << std::hex << disp; } pushWord(cUnit->codeBuffer, keys[elems]); pushWord(cUnit->codeBuffer, tabRec->targets[elems]->generic.offset - bxOffset); } } else { DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature); for (int elems = 0; elems < tabRec->table[1]; elems++) { int disp = tabRec->targets[elems]->generic.offset - bxOffset; if (cUnit->printMe) { LOG(INFO) << " Case[" << elems << "] disp: 0x" << std::hex << disp; } pushWord(cUnit->codeBuffer, tabRec->targets[elems]->generic.offset - bxOffset); } } } } /* Write the fill array dta to the output stream */ STATIC void installFillArrayData(CompilationUnit* cUnit) { GrowableListIterator iterator; oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator); while (true) { FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext( &iterator); if (tabRec == NULL) break; alignBuffer(cUnit->codeBuffer, tabRec->offset); for (int i = 0; i < ((tabRec->size + 1) / 2) ; i++) { cUnit->codeBuffer.push_back( tabRec->table[i]); } } } /* * Assemble the LIR into binary instruction format. Note that we may * discover that pc-relative displacements may not fit the selected * instruction. */ STATIC AssemblerStatus assembleInstructions(CompilationUnit* cUnit, intptr_t startAddr) { ArmLIR* lir; AssemblerStatus res = kSuccess; // Assume success for (lir = (ArmLIR *) cUnit->firstLIRInsn; lir; lir = NEXT_LIR(lir)) { if (lir->opcode < 0) { if ((lir->opcode == kArmPseudoPseudoAlign4) && /* 1 means padding is needed */ (lir->operands[0] == 1)) { cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5); } continue; } if (lir->flags.isNop) { continue; } /* * For PC-relative displacements we won't know if the * selected instruction will work until late (i.e. - now). * If something doesn't fit, we must replace the short-form * operation with a longer-form one. Note, though, that this * can change code we've already processed, so we'll need to * re-calculate offsets and restart. To limit the number of * restarts, the entire list will be scanned and patched. * Of course, the patching itself may cause new overflows so this * is an iterative process. */ if (lir->opcode == kThumbLdrPcRel || lir->opcode == kThumb2LdrPcRel12 || lir->opcode == kThumbAddPcRel || ((lir->opcode == kThumb2Vldrd) && (lir->operands[1] == r15pc)) || ((lir->opcode == kThumb2Vldrs) && (lir->operands[1] == r15pc))) { /* * PC-relative loads are mostly used to load immediates * that are too large to materialize directly in one shot. * However, if the load displacement exceeds the limit, * we revert to a 2-instruction materialization sequence. */ ArmLIR *lirTarget = (ArmLIR *) lir->generic.target; intptr_t pc = (lir->generic.offset + 4) & ~3; intptr_t target = lirTarget->generic.offset; int delta = target - pc; if (delta & 0x3) { LOG(FATAL) << "PC-rel offset not multiple of 4: " << delta; } // First, a sanity check for cases we shouldn't see now if (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) || ((lir->opcode == kThumbLdrPcRel) && (delta > 1020))) { // Shouldn't happen in current codegen. LOG(FATAL) << "Unexpected pc-rel offset " << delta; } // Now, check for the two difficult cases if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) || ((lir->opcode == kThumb2Vldrs) && (delta > 1020)) || ((lir->opcode == kThumb2Vldrd) && (delta > 1020))) { /* * Note: because rLR may be used to fix up out-of-range * vldrs/vldrd we include REG_DEF_LR in the resource * masks for these instructions. */ int baseReg = (lir->opcode == kThumb2LdrPcRel12) ? lir->operands[0] : rLR; // Add new Adr to generate the address ArmLIR *newAdr = (ArmLIR *)oatNew(sizeof(ArmLIR), true); newAdr->generic.dalvikOffset = lir->generic.dalvikOffset; newAdr->generic.target = lir->generic.target; newAdr->opcode = kThumb2Adr; newAdr->operands[0] = baseReg; oatSetupResourceMasks(newAdr); oatInsertLIRBefore((LIR*)lir, (LIR*)newAdr); // Convert to normal load if (lir->opcode == kThumb2LdrPcRel12) { lir->opcode = kThumb2LdrRRI12; } // Change the load to be relative to the new Adr base lir->operands[1] = baseReg; lir->operands[2] = 0; oatSetupResourceMasks(lir); res = kRetryAll; } else { if ((lir->opcode == kThumb2Vldrs) || (lir->opcode == kThumb2Vldrd)) { lir->operands[2] = delta >> 2; } else { lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ? delta : delta >> 2; } } } else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) { ArmLIR *targetLIR = (ArmLIR *) lir->generic.target; intptr_t pc = lir->generic.offset + 4; intptr_t target = targetLIR->generic.offset; int delta = target - pc; if (delta > 126 || delta < 0) { /* Convert to cmp rx,#0 / b[eq/ne] tgt pair */ ArmLIR *newInst = (ArmLIR *)oatNew(sizeof(ArmLIR), true); /* Make new branch instruction and insert after */ newInst->generic.dalvikOffset = lir->generic.dalvikOffset; newInst->opcode = kThumbBCond; newInst->operands[0] = 0; newInst->operands[1] = (lir->opcode == kThumb2Cbz) ? kArmCondEq : kArmCondNe; newInst->generic.target = lir->generic.target; oatSetupResourceMasks(newInst); oatInsertLIRAfter((LIR *)lir, (LIR *)newInst); /* Convert the cb[n]z to a cmp rx, #0 ] */ lir->opcode = kThumbCmpRI8; /* operand[0] is src1 in both cb[n]z & CmpRI8 */ lir->operands[1] = 0; lir->generic.target = 0; oatSetupResourceMasks(lir); res = kRetryAll; } else { lir->operands[1] = delta >> 1; } } else if (lir->opcode == kThumb2Push || lir->opcode == kThumb2Pop) { if (__builtin_popcount(lir->operands[0]) == 1) { /* * The standard push/pop multiple instruction * requires at least two registers in the list. * If we've got just one, switch to the single-reg * encoding. */ lir->opcode = (lir->opcode == kThumb2Push) ? kThumb2Push1 : kThumb2Pop1; int reg = 0; while (lir->operands[0]) { if (lir->operands[0] & 0x1) { break; } else { reg++; lir->operands[0] >>= 1; } } lir->operands[0] = reg; oatSetupResourceMasks(lir); res = kRetryAll; } } else if (lir->opcode == kThumbBCond || lir->opcode == kThumb2BCond) { ArmLIR *targetLIR = (ArmLIR *) lir->generic.target; int delta = 0; DCHECK(targetLIR); intptr_t pc = lir->generic.offset + 4; intptr_t target = targetLIR->generic.offset; delta = target - pc; if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) { lir->opcode = kThumb2BCond; oatSetupResourceMasks(lir); res = kRetryAll; } lir->operands[0] = delta >> 1; } else if (lir->opcode == kThumb2BUncond) { ArmLIR *targetLIR = (ArmLIR *) lir->generic.target; intptr_t pc = lir->generic.offset + 4; intptr_t target = targetLIR->generic.offset; int delta = target - pc; lir->operands[0] = delta >> 1; if (lir->operands[0] == 0) { // Useless branch? lir->flags.isNop = true; res = kRetryAll; } } else if (lir->opcode == kThumbBUncond) { ArmLIR *targetLIR = (ArmLIR *) lir->generic.target; intptr_t pc = lir->generic.offset + 4; intptr_t target = targetLIR->generic.offset; int delta = target - pc; if (delta > 2046 || delta < -2048) { // Convert to Thumb2BCond w/ kArmCondAl lir->opcode = kThumb2BUncond; lir->operands[0] = 0; oatSetupResourceMasks(lir); res = kRetryAll; } lir->operands[0] = delta >> 1; if ((lir->operands[0] == 0) || (lir->operands[0] == -1)) { // Useless branch? lir->flags.isNop = true; res = kRetryAll; } } else if (lir->opcode == kThumbBlx1) { DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2); /* curPC is Thumb */ intptr_t curPC = (startAddr + lir->generic.offset + 4) & ~3; intptr_t target = lir->operands[1]; /* Match bit[1] in target with base */ if (curPC & 0x2) { target |= 0x2; } int delta = target - curPC; DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2))); lir->operands[0] = (delta >> 12) & 0x7ff; NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff; } else if (lir->opcode == kThumbBl1) { DCHECK(NEXT_LIR(lir)->opcode == kThumbBl2); /* Both curPC and target are Thumb */ intptr_t curPC = startAddr + lir->generic.offset + 4; intptr_t target = lir->operands[1]; int delta = target - curPC; DCHECK((delta >= -(1<<22)) && (delta <= ((1<<22)-2))); lir->operands[0] = (delta >> 12) & 0x7ff; NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff; } else if (lir->opcode == kThumb2Adr) { SwitchTable *tabRec = (SwitchTable*)lir->operands[2]; ArmLIR* target = (ArmLIR*)lir->generic.target; int targetDisp = tabRec ? tabRec->offset : target->generic.offset; int disp = targetDisp - ((lir->generic.offset + 4) & ~3); if (disp < 4096) { lir->operands[1] = disp; } else { // convert to ldimm16l, ldimm16h, add tgt, pc, operands[0] ArmLIR *newMov16L = (ArmLIR *)oatNew(sizeof(ArmLIR), true); newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset; newMov16L->generic.target = lir->generic.target; newMov16L->opcode = kThumb2MovImm16LST; newMov16L->operands[0] = lir->operands[0]; newMov16L->operands[2] = (intptr_t)lir; newMov16L->operands[3] = (intptr_t)tabRec; oatSetupResourceMasks(newMov16L); oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L); ArmLIR *newMov16H = (ArmLIR *)oatNew(sizeof(ArmLIR), true); newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset; newMov16H->generic.target = lir->generic.target; newMov16H->opcode = kThumb2MovImm16HST; newMov16H->operands[0] = lir->operands[0]; newMov16H->operands[2] = (intptr_t)lir; newMov16H->operands[3] = (intptr_t)tabRec; oatSetupResourceMasks(newMov16H); oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H); lir->opcode = kThumb2AddRRR; lir->operands[1] = rPC; lir->operands[2] = lir->operands[0]; oatSetupResourceMasks(lir); res = kRetryAll; } } else if (lir->opcode == kThumb2MovImm16LST) { // operands[1] should hold disp, [2] has add, [3] has tabRec ArmLIR *addPCInst = (ArmLIR*)lir->operands[2]; SwitchTable *tabRec = (SwitchTable*)lir->operands[3]; // If tabRec is null, this is a literal load - use generic.target ArmLIR* target = (ArmLIR*)lir->generic.target; int targetDisp = tabRec ? tabRec->offset : target->generic.offset; lir->operands[1] = (targetDisp - (addPCInst->generic.offset + 4)) & 0xffff; } else if (lir->opcode == kThumb2MovImm16HST) { // operands[1] should hold disp, [2] has add, [3] has tabRec ArmLIR *addPCInst = (ArmLIR*)lir->operands[2]; SwitchTable *tabRec = (SwitchTable*)lir->operands[3]; // If tabRec is null, this is a literal load - use generic.target ArmLIR* target = (ArmLIR*)lir->generic.target; int targetDisp = tabRec ? tabRec->offset : target->generic.offset; lir->operands[1] = ((targetDisp - (addPCInst->generic.offset + 4)) >> 16) & 0xffff; } ArmEncodingMap *encoder = &EncodingMap[lir->opcode]; u4 bits = encoder->skeleton; int i; for (i = 0; i < 4; i++) { u4 operand; u4 value; operand = lir->operands[i]; switch(encoder->fieldLoc[i].kind) { case kFmtUnused: break; case kFmtFPImm: value = ((operand & 0xF0) >> 4) << encoder->fieldLoc[i].end; value |= (operand & 0x0F) << encoder->fieldLoc[i].start; bits |= value; break; case kFmtBrOffset: value = ((operand & 0x80000) >> 19) << 26; value |= ((operand & 0x40000) >> 18) << 11; value |= ((operand & 0x20000) >> 17) << 13; value |= ((operand & 0x1f800) >> 11) << 16; value |= (operand & 0x007ff); bits |= value; break; case kFmtShift5: value = ((operand & 0x1c) >> 2) << 12; value |= (operand & 0x03) << 6; bits |= value; break; case kFmtShift: value = ((operand & 0x70) >> 4) << 12; value |= (operand & 0x0f) << 4; bits |= value; break; case kFmtBWidth: value = operand - 1; bits |= value; break; case kFmtLsb: value = ((operand & 0x1c) >> 2) << 12; value |= (operand & 0x03) << 6; bits |= value; break; case kFmtImm6: value = ((operand & 0x20) >> 5) << 9; value |= (operand & 0x1f) << 3; bits |= value; break; case kFmtBitBlt: value = (operand << encoder->fieldLoc[i].start) & ((1 << (encoder->fieldLoc[i].end + 1)) - 1); bits |= value; break; case kFmtDfp: { DCHECK(DOUBLEREG(operand)); DCHECK((operand & 0x1) == 0); int regName = (operand & FP_REG_MASK) >> 1; /* Snag the 1-bit slice and position it */ value = ((regName & 0x10) >> 4) << encoder->fieldLoc[i].end; /* Extract and position the 4-bit slice */ value |= (regName & 0x0f) << encoder->fieldLoc[i].start; bits |= value; break; } case kFmtSfp: DCHECK(SINGLEREG(operand)); /* Snag the 1-bit slice and position it */ value = (operand & 0x1) << encoder->fieldLoc[i].end; /* Extract and position the 4-bit slice */ value |= ((operand & 0x1e) >> 1) << encoder->fieldLoc[i].start; bits |= value; break; case kFmtImm12: case kFmtModImm: value = ((operand & 0x800) >> 11) << 26; value |= ((operand & 0x700) >> 8) << 12; value |= operand & 0x0ff; bits |= value; break; case kFmtImm16: value = ((operand & 0x0800) >> 11) << 26; value |= ((operand & 0xf000) >> 12) << 16; value |= ((operand & 0x0700) >> 8) << 12; value |= operand & 0x0ff; bits |= value; break; case kFmtOff24: { u4 signbit = (operand >> 31) & 0x1; u4 i1 = (operand >> 22) & 0x1; u4 i2 = (operand >> 21) & 0x1; u4 imm10 = (operand >> 11) & 0x03ff; u4 imm11 = operand & 0x07ff; u4 j1 = (i1 ^ signbit) ? 0 : 1; u4 j2 = (i2 ^ signbit) ? 0 : 1; value = (signbit << 26) | (j1 << 13) | (j2 << 11) | (imm10 << 16) | imm11; bits |= value; } break; default: LOG(FATAL) << "Bad fmt:" << (int)encoder->fieldLoc[i].kind; } } if (encoder->size == 2) { cUnit->codeBuffer.push_back((bits >> 16) & 0xffff); } cUnit->codeBuffer.push_back(bits & 0xffff); } return res; } STATIC int assignLiteralOffsetCommon(LIR* lir, int offset) { for (;lir != NULL; lir = lir->next) { lir->offset = offset; offset += 4; } return offset; } STATIC void createMappingTable(CompilationUnit* cUnit) { ArmLIR* armLIR; int currentDalvikOffset = -1; for (armLIR = (ArmLIR *) cUnit->firstLIRInsn; armLIR; armLIR = NEXT_LIR(armLIR)) { if ((armLIR->opcode >= 0) && !armLIR->flags.isNop && (currentDalvikOffset != armLIR->generic.dalvikOffset)) { // Changed - need to emit a record cUnit->mappingTable.push_back(armLIR->generic.offset); cUnit->mappingTable.push_back(armLIR->generic.dalvikOffset); currentDalvikOffset = armLIR->generic.dalvikOffset; } } } /* Determine the offset of each literal field */ STATIC int assignLiteralOffset(CompilationUnit* cUnit, int offset) { offset = assignLiteralOffsetCommon(cUnit->literalList, offset); return offset; } STATIC int assignSwitchTablesOffset(CompilationUnit* cUnit, int offset) { GrowableListIterator iterator; oatGrowableListIteratorInit(&cUnit->switchTables, &iterator); while (true) { SwitchTable *tabRec = (SwitchTable *) oatGrowableListIteratorNext( &iterator); if (tabRec == NULL) break; tabRec->offset = offset; if (tabRec->table[0] == kSparseSwitchSignature) { offset += tabRec->table[1] * (sizeof(int) * 2); } else { DCHECK_EQ(tabRec->table[0], kPackedSwitchSignature); offset += tabRec->table[1] * sizeof(int); } } return offset; } STATIC int assignFillArrayDataOffset(CompilationUnit* cUnit, int offset) { GrowableListIterator iterator; oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator); while (true) { FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext( &iterator); if (tabRec == NULL) break; tabRec->offset = offset; offset += tabRec->size; // word align offset = (offset + 3) & ~3; } return offset; } /* * Walk the compilation unit and assign offsets to instructions * and literals and compute the total size of the compiled unit. */ void assignOffsets(CompilationUnit* cUnit) { ArmLIR* armLIR; int offset = 0; for (armLIR = (ArmLIR *) cUnit->firstLIRInsn; armLIR; armLIR = NEXT_LIR(armLIR)) { armLIR->generic.offset = offset; if (armLIR->opcode >= 0 && !armLIR->flags.isNop) { armLIR->flags.size = EncodingMap[armLIR->opcode].size * 2; offset += armLIR->flags.size; } else if (armLIR->opcode == kArmPseudoPseudoAlign4) { if (offset & 0x2) { offset += 2; armLIR->operands[0] = 1; } else { armLIR->operands[0] = 0; } } /* Pseudo opcodes don't consume space */ } /* Const values have to be word aligned */ offset = (offset + 3) & ~3; /* Set up offsets for literals */ cUnit->dataOffset = offset; offset = assignLiteralOffset(cUnit, offset); offset = assignSwitchTablesOffset(cUnit, offset); offset = assignFillArrayDataOffset(cUnit, offset); cUnit->totalSize = offset; } /* * Go over each instruction in the list and calculate the offset from the top * before sending them off to the assembler. If out-of-range branch distance is * seen rearrange the instructions a bit to correct it. */ void oatAssembleLIR(CompilationUnit* cUnit) { assignOffsets(cUnit); /* * Assemble here. Note that we generate code with optimistic assumptions * and if found now to work, we'll have to redo the sequence and retry. */ while (true) { AssemblerStatus res = assembleInstructions(cUnit, NULL); if (res == kSuccess) { break; } else { cUnit->assemblerRetries++; if (cUnit->assemblerRetries > MAX_ASSEMBLER_RETRIES) { LOG(FATAL) << "Assembler error - too many retries"; } // Redo offsets and try again assignOffsets(cUnit); cUnit->codeBuffer.clear(); } } // Install literals installLiteralPools(cUnit); // Install switch tables installSwitchTables(cUnit); // Install fill array data installFillArrayData(cUnit); /* * Create the mapping table */ createMappingTable(cUnit); }