/*
* 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 "arm_lir.h"
#include "codegen_arm.h"
#include "dex/quick/mir_to_lir-inl.h"
namespace art {
/*
* 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 LIR.h */
const ArmEncodingMap ArmMir2Lir::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)", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
ENCODING_MAP(kThumbAddPcRel, 0xa000,
kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH | NEEDS_FIXUP,
"add", "!0C, pc, #!1E", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
ENCODING_MAP(kThumbBCond, 0xd000,
kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES |
NEEDS_FIXUP, "b!1c", "!0t", 2),
ENCODING_MAP(kThumbBUncond, 0xe000,
kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | NEEDS_FIXUP,
"b", "!0t", 2),
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", 2),
ENCODING_MAP(kThumbBkpt, 0xbe00,
kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
"bkpt", "!0d", 2),
ENCODING_MAP(kThumbBlx1, 0xf000,
kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR |
NEEDS_FIXUP, "blx_1", "!0u", 2),
ENCODING_MAP(kThumbBlx2, 0xe800,
kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR |
NEEDS_FIXUP, "blx_2", "!0v", 2),
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", 2),
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", 2),
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", 2),
ENCODING_MAP(kThumbBx, 0x4700,
kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
"bx", "!0C", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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!!, <!1R>", 2),
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]", 2),
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]", 2),
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 | NEEDS_FIXUP, "ldr", "!0C, [pc, #!1E]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", 2),
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", "<!0R>", 2),
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", "<!0R>", 2),
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", 2),
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", 2),
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!!, <!1R>", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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]", 2),
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", 2),
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", 2),
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", 2),
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", 2),
ENCODING_MAP(kThumbSwi, 0xdf00,
kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,
"swi", "!0d", 2),
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", 2),
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 | NEEDS_FIXUP, "vldr", "!0s, [!1C, #!2E]", 4),
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 | NEEDS_FIXUP, "vldr", "!0S, [!1C, #!2E]", 4),
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", 4),
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", 4),
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]", 4),
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]", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
ENCODING_MAP(kThumb2MovImm16, 0xf2400000,
kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,
"mov", "!0C, #!1M", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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 |
NEEDS_FIXUP, "cbnz", "!0C,!1t", 2),
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 |
NEEDS_FIXUP, "cbz", "!0C,!1t", 2),
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", 4),
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", 4),
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", 4),
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", 4),
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!!, <!1R>", 4),
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!!, <!1R>", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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]", 4),
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 | NEEDS_FIXUP, "pop", "<!0R>", 4),
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 | NEEDS_FIXUP, "push", "<!0R>", 4),
ENCODING_MAP(kThumb2CmpRI12, 0xf1b00f00,
kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1,
IS_BINARY_OP | REG_USE0 | SETS_CCODES,
"cmp", "!0C, #!1m", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 2),
ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10,
kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES,
"fmstat", "", 4),
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", 4),
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", 4),
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 | NEEDS_FIXUP,
"ldr", "!0C, [r15pc, #!1d]", 4),
ENCODING_MAP(kThumb2BCond, 0xf0008000,
kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1,
kFmtUnused, -1, -1,
IS_BINARY_OP | IS_BRANCH | USES_CCODES | NEEDS_FIXUP,
"b!1c", "!0t", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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", 4),
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]", 4),
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]", 4),
ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f,
kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, NO_OPERAND,
"clrex", "", 4),
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", 4),
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", 4),
ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50,
kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_UNARY_OP,
"dmb", "#!0B", 4),
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]", 4),
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, <!1R>", 4),
ENCODING_MAP(kThumbUndefined, 0xde00,
kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, NO_OPERAND,
"undefined", "", 2),
// 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", "<!0P>", 4),
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", "<!0P>", 4),
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, <!2Q>", 4),
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, <!2Q>", 4),
ENCODING_MAP(kThumb2BUncond, 0xf0009000,
kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,
"b", "!0t", 4),
ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000,
kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE0,
"movt", "!0C, #!1M", 4),
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", 2),
ENCODING_MAP(kThumb2Adr, 0xf20f0000,
kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1,
/* Note: doesn't affect flags */
IS_TERTIARY_OP | REG_DEF0 | NEEDS_FIXUP,
"adr", "!0C,#!1d", 4),
ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000,
kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | NEEDS_FIXUP,
"mov", "!0C, #!1M", 4),
ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000,
kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,
kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0 | REG_USE0 | NEEDS_FIXUP,
"movt", "!0C, #!1M", 4),
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!!, <!1R>", 4),
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", 4),
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", 4),
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", 4),
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", 4),
ENCODING_MAP(kThumb2RsubRRR, 0xebd00000, /* setflags encoding */
kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,
kFmtShift, -1, -1,
IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,
"rsbs", "!0C, !1C, !2C!3H", 4),
ENCODING_MAP(kThumb2Smull, 0xfb800000,
kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,
kFmtBitBlt, 3, 0,
IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3,
"smull", "!0C, !1C, !2C, !3C", 4),
ENCODING_MAP(kThumb2LdrdPcRel8, 0xe9df0000,
kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 7, 0,
kFmtUnused, -1, -1,
IS_TERTIARY_OP | REG_DEF0 | REG_DEF1 | REG_USE_PC | IS_LOAD | NEEDS_FIXUP,
"ldrd", "!0C, !1C, [pc, #!2E]", 4),
ENCODING_MAP(kThumb2LdrdI8, 0xe9d00000,
kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,
kFmtBitBlt, 7, 0,
IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | IS_LOAD,
"ldrd", "!0C, !1C, [!2C, #!3E]", 4),
ENCODING_MAP(kThumb2StrdI8, 0xe9c00000,
kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,
kFmtBitBlt, 7, 0,
IS_QUAD_OP | REG_USE0 | REG_USE1 | REG_USE2 | IS_STORE,
"strd", "!0C, !1C, [!2C, #!3E]", 4),
};
/*
* 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
/*
* Assemble the LIR into binary instruction format. Note that we may
* discover that pc-relative displacements may not fit the selected
* instruction.
*/
AssemblerStatus ArmMir2Lir::AssembleInstructions(uintptr_t start_addr) {
LIR* lir;
AssemblerStatus res = kSuccess; // Assume success
for (lir = first_lir_insn_; lir != NULL; lir = NEXT_LIR(lir)) {
if (lir->opcode < 0) {
/* 1 means padding is needed */
if ((lir->opcode == kPseudoPseudoAlign4) && (lir->operands[0] == 1)) {
code_buffer_.push_back(PADDING_MOV_R5_R5 & 0xFF);
code_buffer_.push_back((PADDING_MOV_R5_R5 >> 8) & 0xFF);
}
continue;
}
if (lir->flags.is_nop) {
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->flags.pcRelFixup) {
if (lir->opcode == kThumbLdrPcRel ||
lir->opcode == kThumb2LdrPcRel12 ||
lir->opcode == kThumbAddPcRel ||
lir->opcode == kThumb2LdrdPcRel8 ||
((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 multiple-instruction materialization sequence.
*/
LIR *lir_target = lir->target;
uintptr_t pc = (lir->offset + 4) & ~3;
uintptr_t target = lir_target->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 difficult cases
if (((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) ||
((lir->opcode == kThumb2LdrdPcRel8) && (delta > 1020)) ||
((lir->opcode == kThumb2Vldrs) && (delta > 1020)) ||
((lir->opcode == kThumb2Vldrd) && (delta > 1020))) {
/*
* Note: because rARM_LR may be used to fix up out-of-range
* vldrs/vldrd we include REG_DEF_LR in the resource
* masks for these instructions.
*/
int base_reg = ((lir->opcode == kThumb2LdrdPcRel8) || (lir->opcode == kThumb2LdrPcRel12))
? lir->operands[0] : rARM_LR;
// Add new Adr to generate the address.
LIR* new_adr = RawLIR(lir->dalvik_offset, kThumb2Adr,
base_reg, 0, 0, 0, 0, lir->target);
InsertLIRBefore(lir, new_adr);
// Convert to normal load.
if (lir->opcode == kThumb2LdrPcRel12) {
lir->opcode = kThumb2LdrRRI12;
} else if (lir->opcode == kThumb2LdrdPcRel8) {
lir->opcode = kThumb2LdrdI8;
}
// Change the load to be relative to the new Adr base.
if (lir->opcode == kThumb2LdrdI8) {
lir->operands[3] = 0;
lir->operands[2] = base_reg;
} else {
lir->operands[2] = 0;
lir->operands[1] = base_reg;
}
SetupResourceMasks(lir);
res = kRetryAll;
} else {
if ((lir->opcode == kThumb2Vldrs) ||
(lir->opcode == kThumb2Vldrd) ||
(lir->opcode == kThumb2LdrdPcRel8)) {
lir->operands[2] = delta >> 2;
} else {
lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ? delta :
delta >> 2;
}
}
} else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) {
LIR *target_lir = lir->target;
uintptr_t pc = lir->offset + 4;
uintptr_t target = target_lir->offset;
int delta = target - pc;
if (delta > 126 || delta < 0) {
/*
* Convert to cmp rx,#0 / b[eq/ne] tgt pair
* Make new branch instruction and insert after
*/
LIR* new_inst =
RawLIR(lir->dalvik_offset, kThumbBCond, 0,
(lir->opcode == kThumb2Cbz) ? kArmCondEq : kArmCondNe,
0, 0, 0, lir->target);
InsertLIRAfter(lir, new_inst);
/* 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->target = 0;
SetupResourceMasks(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;
SetupResourceMasks(lir);
res = kRetryAll;
}
} else if (lir->opcode == kThumbBCond || lir->opcode == kThumb2BCond) {
LIR *target_lir = lir->target;
int delta = 0;
DCHECK(target_lir);
uintptr_t pc = lir->offset + 4;
uintptr_t target = target_lir->offset;
delta = target - pc;
if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) {
lir->opcode = kThumb2BCond;
SetupResourceMasks(lir);
res = kRetryAll;
}
lir->operands[0] = delta >> 1;
} else if (lir->opcode == kThumb2BUncond) {
LIR *target_lir = lir->target;
uintptr_t pc = lir->offset + 4;
uintptr_t target = target_lir->offset;
int delta = target - pc;
lir->operands[0] = delta >> 1;
if (!(cu_->disable_opt & (1 << kSafeOptimizations)) &&
lir->operands[0] == 0) { // Useless branch
lir->flags.is_nop = true;
res = kRetryAll;
}
} else if (lir->opcode == kThumbBUncond) {
LIR *target_lir = lir->target;
uintptr_t pc = lir->offset + 4;
uintptr_t target = target_lir->offset;
int delta = target - pc;
if (delta > 2046 || delta < -2048) {
// Convert to Thumb2BCond w/ kArmCondAl
lir->opcode = kThumb2BUncond;
lir->operands[0] = 0;
SetupResourceMasks(lir);
res = kRetryAll;
} else {
lir->operands[0] = delta >> 1;
if (!(cu_->disable_opt & (1 << kSafeOptimizations)) &&
lir->operands[0] == -1) { // Useless branch
lir->flags.is_nop = true;
res = kRetryAll;
}
}
} else if (lir->opcode == kThumbBlx1) {
DCHECK(NEXT_LIR(lir)->opcode == kThumbBlx2);
/* cur_pc is Thumb */
uintptr_t cur_pc = (start_addr + lir->offset + 4) & ~3;
uintptr_t target = lir->operands[1];
/* Match bit[1] in target with base */
if (cur_pc & 0x2) {
target |= 0x2;
}
int delta = target - cur_pc;
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 cur_pc and target are Thumb */
uintptr_t cur_pc = start_addr + lir->offset + 4;
uintptr_t target = lir->operands[1];
int delta = target - cur_pc;
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 *tab_rec = reinterpret_cast<SwitchTable*>(lir->operands[2]);
LIR* target = lir->target;
int target_disp = tab_rec ? tab_rec->offset
: target->offset;
int disp = target_disp - ((lir->offset + 4) & ~3);
if (disp < 4096) {
lir->operands[1] = disp;
} else {
// convert to ldimm16l, ldimm16h, add tgt, pc, operands[0]
// TUNING: if this case fires often, it can be improved. Not expected to be common.
LIR *new_mov16L =
RawLIR(lir->dalvik_offset, kThumb2MovImm16LST,
lir->operands[0], 0, reinterpret_cast<uintptr_t>(lir),
reinterpret_cast<uintptr_t>(tab_rec), 0, lir->target);
InsertLIRBefore(lir, new_mov16L);
LIR *new_mov16H =
RawLIR(lir->dalvik_offset, kThumb2MovImm16HST,
lir->operands[0], 0, reinterpret_cast<uintptr_t>(lir),
reinterpret_cast<uintptr_t>(tab_rec), 0, lir->target);
InsertLIRBefore(lir, new_mov16H);
if (ARM_LOWREG(lir->operands[0])) {
lir->opcode = kThumbAddRRLH;
} else {
lir->opcode = kThumbAddRRHH;
}
lir->operands[1] = rARM_PC;
SetupResourceMasks(lir);
res = kRetryAll;
}
} else if (lir->opcode == kThumb2MovImm16LST) {
// operands[1] should hold disp, [2] has add, [3] has tab_rec
LIR *addPCInst = reinterpret_cast<LIR*>(lir->operands[2]);
SwitchTable *tab_rec = reinterpret_cast<SwitchTable*>(lir->operands[3]);
// If tab_rec is null, this is a literal load. Use target
LIR* target = lir->target;
int target_disp = tab_rec ? tab_rec->offset : target->offset;
lir->operands[1] = (target_disp - (addPCInst->offset + 4)) & 0xffff;
} else if (lir->opcode == kThumb2MovImm16HST) {
// operands[1] should hold disp, [2] has add, [3] has tab_rec
LIR *addPCInst = reinterpret_cast<LIR*>(lir->operands[2]);
SwitchTable *tab_rec = reinterpret_cast<SwitchTable*>(lir->operands[3]);
// If tab_rec is null, this is a literal load. Use target
LIR* target = lir->target;
int target_disp = tab_rec ? tab_rec->offset : target->offset;
lir->operands[1] =
((target_disp - (addPCInst->offset + 4)) >> 16) & 0xffff;
}
}
/*
* If one of the pc-relative instructions expanded we'll have
* to make another pass. Don't bother to fully assemble the
* instruction.
*/
if (res != kSuccess) {
continue;
}
const ArmEncodingMap *encoder = &EncodingMap[lir->opcode];
uint32_t bits = encoder->skeleton;
int i;
for (i = 0; i < 4; i++) {
uint32_t operand;
uint32_t value;
operand = lir->operands[i];
switch (encoder->field_loc[i].kind) {
case kFmtUnused:
break;
case kFmtFPImm:
value = ((operand & 0xF0) >> 4) << encoder->field_loc[i].end;
value |= (operand & 0x0F) << encoder->field_loc[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->field_loc[i].start) &
((1 << (encoder->field_loc[i].end + 1)) - 1);
bits |= value;
break;
case kFmtDfp: {
DCHECK(ARM_DOUBLEREG(operand));
DCHECK_EQ((operand & 0x1), 0U);
int reg_name = (operand & ARM_FP_REG_MASK) >> 1;
/* Snag the 1-bit slice and position it */
value = ((reg_name & 0x10) >> 4) << encoder->field_loc[i].end;
/* Extract and position the 4-bit slice */
value |= (reg_name & 0x0f) << encoder->field_loc[i].start;
bits |= value;
break;
}
case kFmtSfp:
DCHECK(ARM_SINGLEREG(operand));
/* Snag the 1-bit slice and position it */
value = (operand & 0x1) << encoder->field_loc[i].end;
/* Extract and position the 4-bit slice */
value |= ((operand & 0x1e) >> 1) << encoder->field_loc[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: {
uint32_t signbit = (operand >> 31) & 0x1;
uint32_t i1 = (operand >> 22) & 0x1;
uint32_t i2 = (operand >> 21) & 0x1;
uint32_t imm10 = (operand >> 11) & 0x03ff;
uint32_t imm11 = operand & 0x07ff;
uint32_t j1 = (i1 ^ signbit) ? 0 : 1;
uint32_t j2 = (i2 ^ signbit) ? 0 : 1;
value = (signbit << 26) | (j1 << 13) | (j2 << 11) | (imm10 << 16) |
imm11;
bits |= value;
}
break;
default:
LOG(FATAL) << "Bad fmt:" << encoder->field_loc[i].kind;
}
}
if (encoder->size == 4) {
code_buffer_.push_back((bits >> 16) & 0xff);
code_buffer_.push_back((bits >> 24) & 0xff);
}
code_buffer_.push_back(bits & 0xff);
code_buffer_.push_back((bits >> 8) & 0xff);
}
return res;
}
int ArmMir2Lir::GetInsnSize(LIR* lir) {
return EncodingMap[lir->opcode].size;
}
} // namespace art