Blame - src/compiler/codegen/arm/Assemble.cc - platform/art

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

/*

*

* Licensed under the Apache License, Version 2.0 (the "License");

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* you may not use this file except in compliance with the License.

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* You may obtain a copy of the License at

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*

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* http://www.apache.org/licenses/LICENSE-2.0

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*

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* Unless required by applicable law or agreed to in writing, software

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* distributed under the License is distributed on an "AS IS" BASIS,

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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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* See the License for the specific language governing permissions and

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* limitations under the License.

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*/

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#include "../../Dalvik.h"

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#include "../../CompilerInternals.h"

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#include "ArmLIR.h"

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#include "Codegen.h"

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#include <sys/mman.h> /* for protection change */

//#define TESTMODE

#ifdef TESTMODE

#include <cutils/ashmem.h> /* for oat testing */

#include <unistd.h>

#endif

#define MAX_ASSEMBLER_RETRIES 50

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/*

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* opcode: ArmOpcode enum

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* skeleton: pre-designated bit-pattern for this opcode

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* k0: key to applying ds/de

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* ds: dest start bit position

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* de: dest end bit position

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* k1: key to applying s1s/s1e

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* s1s: src1 start bit position

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* s1e: src1 end bit position

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* k2: key to applying s2s/s2e

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* s2s: src2 start bit position

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* s2e: src2 end bit position

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* operands: number of operands (for sanity check purposes)

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* name: mnemonic name

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* fmt: for pretty-printing

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*/

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#define ENCODING_MAP(opcode, skeleton, k0, ds, de, k1, s1s, s1e, k2, s2s, s2e, \

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k3, k3s, k3e, flags, name, fmt, size) \

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{skeleton, {{k0, ds, de}, {k1, s1s, s1e}, {k2, s2s, s2e}, \

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{k3, k3s, k3e}}, opcode, flags, name, fmt, size}

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/* Instruction dump string format keys: !pf, where "!" is the start

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* of the key, "p" is which numeric operand to use and "f" is the

* print format.

*

* [p]ositions:

* 0 -> operands[0] (dest)

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* 1 -> operands[1] (src1)

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* 2 -> operands[2] (src2)

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* 3 -> operands[3] (extra)

*

* [f]ormats:

* h -> 4-digit hex

* d -> decimal

* E -> decimal*4

* F -> decimal*2

* c -> branch condition (beq, bne, etc.)

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* t -> pc-relative target

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* u -> 1st half of bl[x] target

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* v -> 2nd half ob bl[x] target

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* R -> register list

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* s -> single precision floating point register

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* S -> double precision floating point register

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* m -> Thumb2 modified immediate

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* n -> complimented Thumb2 modified immediate

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* M -> Thumb2 16-bit zero-extended immediate

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* b -> 4-digit binary

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* B -> dmb option string (sy, st, ish, ishst, nsh, hshst)

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* H -> operand shift

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* C -> core register name

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* P -> fp cs register list (base of s16)

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* Q -> fp cs register list (base of s0)

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*

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* [!] escape. To insert "!", use "!!"

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*/

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/* NOTE: must be kept in sync with enum ArmOpcode from ArmLIR.h */

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ArmEncodingMap EncodingMap[kArmLast] = {

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ENCODING_MAP(kArm16BitData, 0x0000,

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kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP, "data", "0x!0h(!0d)", 1),

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ENCODING_MAP(kThumbAdcRR, 0x4140,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES | USES_CCODES,

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"adcs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbAddRRI3, 0x1c00,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1,

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IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"adds", "!0C, !1C, #!2d", 1),

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ENCODING_MAP(kThumbAddRI8, 0x3000,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,

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"adds", "!0C, !0C, #!1d", 1),

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ENCODING_MAP(kThumbAddRRR, 0x1800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1,

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IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,

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"adds", "!0C, !1C, !2C", 1),

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ENCODING_MAP(kThumbAddRRLH, 0x4440,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,

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"add", "!0C, !1C", 1),

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ENCODING_MAP(kThumbAddRRHL, 0x4480,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,

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"add", "!0C, !1C", 1),

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ENCODING_MAP(kThumbAddRRHH, 0x44c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE01,

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"add", "!0C, !1C", 1),

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ENCODING_MAP(kThumbAddPcRel, 0xa000,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | IS_BRANCH,

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"add", "!0C, pc, #!1E", 1),

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ENCODING_MAP(kThumbAddSpRel, 0xa800,

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kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF_SP | REG_USE_SP,

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"add", "!0C, sp, #!2E", 1),

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ENCODING_MAP(kThumbAddSpI7, 0xb000,

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kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,

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"add", "sp, #!0d*4", 1),

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ENCODING_MAP(kThumbAndRR, 0x4000,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"ands", "!0C, !1C", 1),

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ENCODING_MAP(kThumbAsrRRI5, 0x1000,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1,

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IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"asrs", "!0C, !1C, #!2d", 1),

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ENCODING_MAP(kThumbAsrRR, 0x4100,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"asrs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbBCond, 0xd000,

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kFmtBitBlt, 7, 0, kFmtBitBlt, 11, 8, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES,

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"b!1c", "!0t", 1),

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ENCODING_MAP(kThumbBUncond, 0xe000,

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kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,

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"b", "!0t", 1),

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ENCODING_MAP(kThumbBicRR, 0x4380,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"bics", "!0C, !1C", 1),

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ENCODING_MAP(kThumbBkpt, 0xbe00,

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kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,

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"bkpt", "!0d", 1),

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ENCODING_MAP(kThumbBlx1, 0xf000,

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kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,

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"blx_1", "!0u", 1),

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ENCODING_MAP(kThumbBlx2, 0xe800,

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kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | REG_DEF_LR,

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"blx_2", "!0v", 1),

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ENCODING_MAP(kThumbBl1, 0xf000,

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kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,

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"bl_1", "!0u", 1),

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ENCODING_MAP(kThumbBl2, 0xf800,

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kFmtBitBlt, 10, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | REG_DEF_LR,

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"bl_2", "!0v", 1),

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ENCODING_MAP(kThumbBlxR, 0x4780,

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kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR,

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"blx", "!0C", 1),

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ENCODING_MAP(kThumbBx, 0x4700,

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kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,

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"bx", "!0C", 1),

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ENCODING_MAP(kThumbCmnRR, 0x42c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,

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"cmn", "!0C, !1C", 1),

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ENCODING_MAP(kThumbCmpRI8, 0x2800,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | SETS_CCODES,

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"cmp", "!0C, #!1d", 1),

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ENCODING_MAP(kThumbCmpRR, 0x4280,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,

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"cmp", "!0C, !1C", 1),

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ENCODING_MAP(kThumbCmpLH, 0x4540,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,

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"cmp", "!0C, !1C", 1),

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ENCODING_MAP(kThumbCmpHL, 0x4580,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,

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"cmp", "!0C, !1C", 1),

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ENCODING_MAP(kThumbCmpHH, 0x45c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES,

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"cmp", "!0C, !1C", 1),

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ENCODING_MAP(kThumbEorRR, 0x4040,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"eors", "!0C, !1C", 1),

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ENCODING_MAP(kThumbLdmia, 0xc800,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,

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"ldmia", "!0C!!, <!1R>", 1),

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ENCODING_MAP(kThumbLdrRRI5, 0x6800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

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"ldr", "!0C, [!1C, #!2E]", 1),

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ENCODING_MAP(kThumbLdrRRR, 0x5800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,

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"ldr", "!0C, [!1C, !2C]", 1),

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ENCODING_MAP(kThumbLdrPcRel, 0x4800,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC

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| IS_LOAD, "ldr", "!0C, [pc, #!1E]", 1),

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ENCODING_MAP(kThumbLdrSpRel, 0x9800,

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kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | REG_USE_SP

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| IS_LOAD, "ldr", "!0C, [sp, #!2E]", 1),

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ENCODING_MAP(kThumbLdrbRRI5, 0x7800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

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"ldrb", "!0C, [!1C, #2d]", 1),

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ENCODING_MAP(kThumbLdrbRRR, 0x5c00,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,

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"ldrb", "!0C, [!1C, !2C]", 1),

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ENCODING_MAP(kThumbLdrhRRI5, 0x8800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

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"ldrh", "!0C, [!1C, #!2F]", 1),

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ENCODING_MAP(kThumbLdrhRRR, 0x5a00,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,

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"ldrh", "!0C, [!1C, !2C]", 1),

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ENCODING_MAP(kThumbLdrsbRRR, 0x5600,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,

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"ldrsb", "!0C, [!1C, !2C]", 1),

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ENCODING_MAP(kThumbLdrshRRR, 0x5e00,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

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kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD,

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"ldrsh", "!0C, [!1C, !2C]", 1),

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ENCODING_MAP(kThumbLslRRI5, 0x0000,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1,

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IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"lsls", "!0C, !1C, #!2d", 1),

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ENCODING_MAP(kThumbLslRR, 0x4080,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"lsls", "!0C, !1C", 1),

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ENCODING_MAP(kThumbLsrRRI5, 0x0800,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

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kFmtUnused, -1, -1,

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IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"lsrs", "!0C, !1C, #!2d", 1),

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ENCODING_MAP(kThumbLsrRR, 0x40c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"lsrs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMovImm, 0x2000,

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kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0 | SETS_CCODES,

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"movs", "!0C, #!1d", 1),

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ENCODING_MAP(kThumbMovRR, 0x1c00,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"movs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMovRR_H2H, 0x46c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

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"mov", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMovRR_H2L, 0x4640,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

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"mov", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMovRR_L2H, 0x4680,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

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"mov", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMul, 0x4340,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"muls", "!0C, !1C", 1),

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ENCODING_MAP(kThumbMvn, 0x43c0,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"mvns", "!0C, !1C", 1),

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ENCODING_MAP(kThumbNeg, 0x4240,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,

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"negs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbOrr, 0x4300,

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kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

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"orrs", "!0C, !1C", 1),

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ENCODING_MAP(kThumbPop, 0xbc00,

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kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0

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| IS_LOAD, "pop", "<!0R>", 1),

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ENCODING_MAP(kThumbPush, 0xb400,

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kFmtBitBlt, 8, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

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kFmtUnused, -1, -1,

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IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0

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| IS_STORE, "push", "<!0R>", 1),

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ENCODING_MAP(kThumbRorRR, 0x41c0,

339

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

340

kFmtUnused, -1, -1,

341

IS_BINARY_OP | REG_DEF0_USE01 | SETS_CCODES,

342

"rors", "!0C, !1C", 1),

343

ENCODING_MAP(kThumbSbc, 0x4180,

344

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

345

kFmtUnused, -1, -1,

346

IS_BINARY_OP | REG_DEF0_USE01 | USES_CCODES | SETS_CCODES,

347

"sbcs", "!0C, !1C", 1),

348

ENCODING_MAP(kThumbStmia, 0xc000,

349

kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

350

kFmtUnused, -1, -1,

351

IS_BINARY_OP | REG_DEF0 | REG_USE0 | REG_USE_LIST1 | IS_STORE,

352

"stmia", "!0C!!, <!1R>", 1),

353

ENCODING_MAP(kThumbStrRRI5, 0x6000,

354

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

355

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

356

"str", "!0C, [!1C, #!2E]", 1),

357

ENCODING_MAP(kThumbStrRRR, 0x5000,

358

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

359

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,

360

"str", "!0C, [!1C, !2C]", 1),

361

ENCODING_MAP(kThumbStrSpRel, 0x9000,

362

kFmtBitBlt, 10, 8, kFmtUnused, -1, -1, kFmtBitBlt, 7, 0,

363

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | REG_USE_SP

364

| IS_STORE, "str", "!0C, [sp, #!2E]", 1),

365

ENCODING_MAP(kThumbStrbRRI5, 0x7000,

366

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

367

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

368

"strb", "!0C, [!1C, #!2d]", 1),

369

ENCODING_MAP(kThumbStrbRRR, 0x5400,

370

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

371

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,

372

"strb", "!0C, [!1C, !2C]", 1),

373

ENCODING_MAP(kThumbStrhRRI5, 0x8000,

374

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 10, 6,

375

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

376

"strh", "!0C, [!1C, #!2F]", 1),

377

ENCODING_MAP(kThumbStrhRRR, 0x5200,

378

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

379

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE,

380

"strh", "!0C, [!1C, !2C]", 1),

381

ENCODING_MAP(kThumbSubRRI3, 0x1e00,

382

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

383

kFmtUnused, -1, -1,

384

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

385

"subs", "!0C, !1C, #!2d", 1),

386

ENCODING_MAP(kThumbSubRI8, 0x3800,

387

kFmtBitBlt, 10, 8, kFmtBitBlt, 7, 0, kFmtUnused, -1, -1,

388

kFmtUnused, -1, -1,

389

IS_BINARY_OP | REG_DEF0_USE0 | SETS_CCODES,

390

"subs", "!0C, #!1d", 1),

391

ENCODING_MAP(kThumbSubRRR, 0x1a00,

392

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtBitBlt, 8, 6,

393

kFmtUnused, -1, -1,

394

IS_TERTIARY_OP | REG_DEF0_USE12 | SETS_CCODES,

395

"subs", "!0C, !1C, !2C", 1),

396

ENCODING_MAP(kThumbSubSpI7, 0xb080,

397

kFmtBitBlt, 6, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

398

kFmtUnused, -1, -1,

399

IS_UNARY_OP | REG_DEF_SP | REG_USE_SP,

400

"sub", "sp, #!0d*4", 1),

401

ENCODING_MAP(kThumbSwi, 0xdf00,

Ian Rogers

408f79a

2011-08-23 18:22:33 -0700

[diff] [blame]

402

kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

403

kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH,

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

404

"swi", "!0d", 1),

405

ENCODING_MAP(kThumbTst, 0x4200,

406

kFmtBitBlt, 2, 0, kFmtBitBlt, 5, 3, kFmtUnused, -1, -1,

407

kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE01 | SETS_CCODES,

408

"tst", "!0C, !1C", 1),

409

ENCODING_MAP(kThumb2Vldrs, 0xed900a00,

410

kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,

411

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

412

"vldr", "!0s, [!1C, #!2E]", 2),

413

ENCODING_MAP(kThumb2Vldrd, 0xed900b00,

414

kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,

415

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

416

"vldr", "!0S, [!1C, #!2E]", 2),

417

ENCODING_MAP(kThumb2Vmuls, 0xee200a00,

418

kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,

419

kFmtUnused, -1, -1,

420

IS_TERTIARY_OP | REG_DEF0_USE12,

421

"vmuls", "!0s, !1s, !2s", 2),

422

ENCODING_MAP(kThumb2Vmuld, 0xee200b00,

423

kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,

424

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

425

"vmuld", "!0S, !1S, !2S", 2),

426

ENCODING_MAP(kThumb2Vstrs, 0xed800a00,

427

kFmtSfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,

428

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

429

"vstr", "!0s, [!1C, #!2E]", 2),

430

ENCODING_MAP(kThumb2Vstrd, 0xed800b00,

431

kFmtDfp, 22, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,

432

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

433

"vstr", "!0S, [!1C, #!2E]", 2),

434

ENCODING_MAP(kThumb2Vsubs, 0xee300a40,

435

kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,

436

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

437

"vsub", "!0s, !1s, !2s", 2),

438

ENCODING_MAP(kThumb2Vsubd, 0xee300b40,

439

kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,

440

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

441

"vsub", "!0S, !1S, !2S", 2),

442

ENCODING_MAP(kThumb2Vadds, 0xee300a00,

443

kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,

444

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

445

"vadd", "!0s, !1s, !2s", 2),

446

ENCODING_MAP(kThumb2Vaddd, 0xee300b00,

447

kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,

448

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

449

"vadd", "!0S, !1S, !2S", 2),

450

ENCODING_MAP(kThumb2Vdivs, 0xee800a00,

451

kFmtSfp, 22, 12, kFmtSfp, 7, 16, kFmtSfp, 5, 0,

452

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

453

"vdivs", "!0s, !1s, !2s", 2),

454

ENCODING_MAP(kThumb2Vdivd, 0xee800b00,

455

kFmtDfp, 22, 12, kFmtDfp, 7, 16, kFmtDfp, 5, 0,

456

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

457

"vdivd", "!0S, !1S, !2S", 2),

458

ENCODING_MAP(kThumb2VcvtIF, 0xeeb80ac0,

459

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

460

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

461

"vcvt.f32", "!0s, !1s", 2),

462

ENCODING_MAP(kThumb2VcvtID, 0xeeb80bc0,

463

kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

464

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

465

"vcvt.f64", "!0S, !1s", 2),

466

ENCODING_MAP(kThumb2VcvtFI, 0xeebd0ac0,

467

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

468

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

469

"vcvt.s32.f32 ", "!0s, !1s", 2),

470

ENCODING_MAP(kThumb2VcvtDI, 0xeebd0bc0,

471

kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

472

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

473

"vcvt.s32.f64 ", "!0s, !1S", 2),

474

ENCODING_MAP(kThumb2VcvtFd, 0xeeb70ac0,

475

kFmtDfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

476

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

477

"vcvt.f64.f32 ", "!0S, !1s", 2),

478

ENCODING_MAP(kThumb2VcvtDF, 0xeeb70bc0,

479

kFmtSfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

480

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

481

"vcvt.f32.f64 ", "!0s, !1S", 2),

482

ENCODING_MAP(kThumb2Vsqrts, 0xeeb10ac0,

483

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

484

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

485

"vsqrt.f32 ", "!0s, !1s", 2),

486

ENCODING_MAP(kThumb2Vsqrtd, 0xeeb10bc0,

487

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

488

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

489

"vsqrt.f64 ", "!0S, !1S", 2),

490

ENCODING_MAP(kThumb2MovImmShift, 0xf04f0000, /* no setflags encoding */

491

kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1,

492

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

493

"mov", "!0C, #!1m", 2),

494

ENCODING_MAP(kThumb2MovImm16, 0xf2400000,

495

kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,

496

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

497

"mov", "!0C, #!1M", 2),

498

ENCODING_MAP(kThumb2StrRRI12, 0xf8c00000,

499

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

500

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

501

"str", "!0C, [!1C, #!2d]", 2),

502

ENCODING_MAP(kThumb2LdrRRI12, 0xf8d00000,

503

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

504

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

505

"ldr", "!0C, [!1C, #!2d]", 2),

506

ENCODING_MAP(kThumb2StrRRI8Predec, 0xf8400c00,

507

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,

508

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

509

"str", "!0C, [!1C, #-!2d]", 2),

510

ENCODING_MAP(kThumb2LdrRRI8Predec, 0xf8500c00,

511

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 8, 0,

512

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

513

"ldr", "!0C, [!1C, #-!2d]", 2),

514

ENCODING_MAP(kThumb2Cbnz, 0xb900, /* Note: does not affect flags */

515

kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,

516

kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,

517

"cbnz", "!0C,!1t", 1),

518

ENCODING_MAP(kThumb2Cbz, 0xb100, /* Note: does not affect flags */

519

kFmtBitBlt, 2, 0, kFmtImm6, -1, -1, kFmtUnused, -1, -1,

520

kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE0 | IS_BRANCH,

521

"cbz", "!0C,!1t", 1),

522

ENCODING_MAP(kThumb2AddRRI12, 0xf2000000,

523

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,

524

kFmtUnused, -1, -1,

525

IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */

526

"add", "!0C,!1C,#!2d", 2),

527

ENCODING_MAP(kThumb2MovRR, 0xea4f0000, /* no setflags encoding */

528

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtUnused, -1, -1,

529

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

530

"mov", "!0C, !1C", 2),

531

ENCODING_MAP(kThumb2Vmovs, 0xeeb00a40,

532

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

533

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

534

"vmov.f32 ", " !0s, !1s", 2),

535

ENCODING_MAP(kThumb2Vmovd, 0xeeb00b40,

536

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

537

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

538

"vmov.f64 ", " !0S, !1S", 2),

539

ENCODING_MAP(kThumb2Ldmia, 0xe8900000,

540

kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,

541

kFmtUnused, -1, -1,

542

IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,

543

"ldmia", "!0C!!, <!1R>", 2),

544

ENCODING_MAP(kThumb2Stmia, 0xe8800000,

545

kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,

546

kFmtUnused, -1, -1,

547

IS_BINARY_OP | REG_DEF0_USE0 | REG_USE_LIST1 | IS_STORE,

548

"stmia", "!0C!!, <!1R>", 2),

549

ENCODING_MAP(kThumb2AddRRR, 0xeb100000, /* setflags encoding */

550

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

551

kFmtShift, -1, -1,

552

IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,

553

"adds", "!0C, !1C, !2C!3H", 2),

554

ENCODING_MAP(kThumb2SubRRR, 0xebb00000, /* setflags enconding */

555

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

556

kFmtShift, -1, -1,

557

IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,

558

"subs", "!0C, !1C, !2C!3H", 2),

559

ENCODING_MAP(kThumb2SbcRRR, 0xeb700000, /* setflags encoding */

560

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

561

kFmtShift, -1, -1,

562

IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES | SETS_CCODES,

563

"sbcs", "!0C, !1C, !2C!3H", 2),

564

ENCODING_MAP(kThumb2CmpRR, 0xebb00f00,

565

kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,

566

kFmtUnused, -1, -1,

567

IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,

568

"cmp", "!0C, !1C", 2),

569

ENCODING_MAP(kThumb2SubRRI12, 0xf2a00000,

570

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,

571

kFmtUnused, -1, -1,

572

IS_TERTIARY_OP | REG_DEF0_USE1,/* Note: doesn't affect flags */

573

"sub", "!0C,!1C,#!2d", 2),

574

ENCODING_MAP(kThumb2MvnImmShift, 0xf06f0000, /* no setflags encoding */

575

kFmtBitBlt, 11, 8, kFmtModImm, -1, -1, kFmtUnused, -1, -1,

576

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

577

"mvn", "!0C, #!1n", 2),

578

ENCODING_MAP(kThumb2Sel, 0xfaa0f080,

579

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

580

kFmtUnused, -1, -1,

581

IS_TERTIARY_OP | REG_DEF0_USE12 | USES_CCODES,

582

"sel", "!0C, !1C, !2C", 2),

583

ENCODING_MAP(kThumb2Ubfx, 0xf3c00000,

584

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,

585

kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,

586

"ubfx", "!0C, !1C, #!2d, #!3d", 2),

587

ENCODING_MAP(kThumb2Sbfx, 0xf3400000,

588

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtLsb, -1, -1,

589

kFmtBWidth, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,

590

"sbfx", "!0C, !1C, #!2d, #!3d", 2),

591

ENCODING_MAP(kThumb2LdrRRR, 0xf8500000,

592

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

593

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,

594

"ldr", "!0C, [!1C, !2C, LSL #!3d]", 2),

595

ENCODING_MAP(kThumb2LdrhRRR, 0xf8300000,

596

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

597

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,

598

"ldrh", "!0C, [!1C, !2C, LSL #!3d]", 2),

599

ENCODING_MAP(kThumb2LdrshRRR, 0xf9300000,

600

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

601

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,

602

"ldrsh", "!0C, [!1C, !2C, LSL #!3d]", 2),

603

ENCODING_MAP(kThumb2LdrbRRR, 0xf8100000,

604

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

605

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,

606

"ldrb", "!0C, [!1C, !2C, LSL #!3d]", 2),

607

ENCODING_MAP(kThumb2LdrsbRRR, 0xf9100000,

608

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

609

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD,

610

"ldrsb", "!0C, [!1C, !2C, LSL #!3d]", 2),

611

ENCODING_MAP(kThumb2StrRRR, 0xf8400000,

612

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

613

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,

614

"str", "!0C, [!1C, !2C, LSL #!3d]", 2),

615

ENCODING_MAP(kThumb2StrhRRR, 0xf8200000,

616

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

617

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,

618

"strh", "!0C, [!1C, !2C, LSL #!3d]", 2),

619

ENCODING_MAP(kThumb2StrbRRR, 0xf8000000,

620

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

621

kFmtBitBlt, 5, 4, IS_QUAD_OP | REG_USE012 | IS_STORE,

622

"strb", "!0C, [!1C, !2C, LSL #!3d]", 2),

623

ENCODING_MAP(kThumb2LdrhRRI12, 0xf8b00000,

624

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

625

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

626

"ldrh", "!0C, [!1C, #!2d]", 2),

627

ENCODING_MAP(kThumb2LdrshRRI12, 0xf9b00000,

628

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

629

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

630

"ldrsh", "!0C, [!1C, #!2d]", 2),

631

ENCODING_MAP(kThumb2LdrbRRI12, 0xf8900000,

632

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

633

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

634

"ldrb", "!0C, [!1C, #!2d]", 2),

635

ENCODING_MAP(kThumb2LdrsbRRI12, 0xf9900000,

636

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

637

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

638

"ldrsb", "!0C, [!1C, #!2d]", 2),

639

ENCODING_MAP(kThumb2StrhRRI12, 0xf8a00000,

640

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

641

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

642

"strh", "!0C, [!1C, #!2d]", 2),

643

ENCODING_MAP(kThumb2StrbRRI12, 0xf8800000,

644

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 11, 0,

645

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE,

646

"strb", "!0C, [!1C, #!2d]", 2),

647

ENCODING_MAP(kThumb2Pop, 0xe8bd0000,

648

kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

649

kFmtUnused, -1, -1,

650

IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_LIST0

651

| IS_LOAD, "pop", "<!0R>", 2),

652

ENCODING_MAP(kThumb2Push, 0xe92d0000,

653

kFmtBitBlt, 15, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

654

kFmtUnused, -1, -1,

655

IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_LIST0

656

| IS_STORE, "push", "<!0R>", 2),

657

ENCODING_MAP(kThumb2CmpRI8, 0xf1b00f00,

658

kFmtBitBlt, 19, 16, kFmtModImm, -1, -1, kFmtUnused, -1, -1,

659

kFmtUnused, -1, -1,

660

IS_BINARY_OP | REG_USE0 | SETS_CCODES,

661

"cmp", "!0C, #!1m", 2),

662

ENCODING_MAP(kThumb2AdcRRR, 0xeb500000, /* setflags encoding */

663

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

664

kFmtShift, -1, -1,

665

IS_QUAD_OP | REG_DEF0_USE12 | SETS_CCODES,

666

"adcs", "!0C, !1C, !2C!3H", 2),

667

ENCODING_MAP(kThumb2AndRRR, 0xea000000,

668

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

669

kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,

670

"and", "!0C, !1C, !2C!3H", 2),

671

ENCODING_MAP(kThumb2BicRRR, 0xea200000,

672

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

673

kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,

674

"bic", "!0C, !1C, !2C!3H", 2),

675

ENCODING_MAP(kThumb2CmnRR, 0xeb000000,

676

kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,

677

kFmtUnused, -1, -1,

678

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

679

"cmn", "!0C, !1C, shift !2d", 2),

680

ENCODING_MAP(kThumb2EorRRR, 0xea800000,

681

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

682

kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,

683

"eor", "!0C, !1C, !2C!3H", 2),

684

ENCODING_MAP(kThumb2MulRRR, 0xfb00f000,

685

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

686

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

687

"mul", "!0C, !1C, !2C", 2),

688

ENCODING_MAP(kThumb2MnvRR, 0xea6f0000,

689

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,

690

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

691

"mvn", "!0C, !1C, shift !2d", 2),

692

ENCODING_MAP(kThumb2RsubRRI8, 0xf1d00000,

693

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

694

kFmtUnused, -1, -1,

695

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

696

"rsb", "!0C,!1C,#!2m", 2),

697

ENCODING_MAP(kThumb2NegRR, 0xf1d00000, /* instance of rsub */

698

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtUnused, -1, -1,

699

kFmtUnused, -1, -1,

700

IS_BINARY_OP | REG_DEF0_USE1 | SETS_CCODES,

701

"neg", "!0C,!1C", 2),

702

ENCODING_MAP(kThumb2OrrRRR, 0xea400000,

703

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

704

kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12,

705

"orr", "!0C, !1C, !2C!3H", 2),

706

ENCODING_MAP(kThumb2TstRR, 0xea100f00,

707

kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0, kFmtShift, -1, -1,

708

kFmtUnused, -1, -1,

709

IS_TERTIARY_OP | REG_USE01 | SETS_CCODES,

710

"tst", "!0C, !1C, shift !2d", 2),

711

ENCODING_MAP(kThumb2LslRRR, 0xfa00f000,

712

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

713

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

714

"lsl", "!0C, !1C, !2C", 2),

715

ENCODING_MAP(kThumb2LsrRRR, 0xfa20f000,

716

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

717

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

718

"lsr", "!0C, !1C, !2C", 2),

719

ENCODING_MAP(kThumb2AsrRRR, 0xfa40f000,

720

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

721

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

722

"asr", "!0C, !1C, !2C", 2),

723

ENCODING_MAP(kThumb2RorRRR, 0xfa60f000,

724

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

725

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

726

"ror", "!0C, !1C, !2C", 2),

727

ENCODING_MAP(kThumb2LslRRI5, 0xea4f0000,

728

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,

729

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

730

"lsl", "!0C, !1C, #!2d", 2),

731

ENCODING_MAP(kThumb2LsrRRI5, 0xea4f0010,

732

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,

733

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

734

"lsr", "!0C, !1C, #!2d", 2),

735

ENCODING_MAP(kThumb2AsrRRI5, 0xea4f0020,

736

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,

737

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

738

"asr", "!0C, !1C, #!2d", 2),

739

ENCODING_MAP(kThumb2RorRRI5, 0xea4f0030,

740

kFmtBitBlt, 11, 8, kFmtBitBlt, 3, 0, kFmtShift5, -1, -1,

741

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

742

"ror", "!0C, !1C, #!2d", 2),

743

ENCODING_MAP(kThumb2BicRRI8, 0xf0200000,

744

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

745

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

746

"bic", "!0C, !1C, #!2m", 2),

747

ENCODING_MAP(kThumb2AndRRI8, 0xf0000000,

748

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

749

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

750

"and", "!0C, !1C, #!2m", 2),

751

ENCODING_MAP(kThumb2OrrRRI8, 0xf0400000,

752

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

753

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

754

"orr", "!0C, !1C, #!2m", 2),

755

ENCODING_MAP(kThumb2EorRRI8, 0xf0800000,

756

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

757

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1,

758

"eor", "!0C, !1C, #!2m", 2),

759

ENCODING_MAP(kThumb2AddRRI8, 0xf1100000,

760

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

761

kFmtUnused, -1, -1,

762

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

763

"adds", "!0C, !1C, #!2m", 2),

764

ENCODING_MAP(kThumb2AdcRRI8, 0xf1500000,

765

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

766

kFmtUnused, -1, -1,

767

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,

768

"adcs", "!0C, !1C, #!2m", 2),

769

ENCODING_MAP(kThumb2SubRRI8, 0xf1b00000,

770

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

771

kFmtUnused, -1, -1,

772

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

773

"subs", "!0C, !1C, #!2m", 2),

774

ENCODING_MAP(kThumb2SbcRRI8, 0xf1700000,

775

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtModImm, -1, -1,

776

kFmtUnused, -1, -1,

777

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES | USES_CCODES,

778

"sbcs", "!0C, !1C, #!2m", 2),

779

ENCODING_MAP(kThumb2It, 0xbf00,

780

kFmtBitBlt, 7, 4, kFmtBitBlt, 3, 0, kFmtModImm, -1, -1,

781

kFmtUnused, -1, -1, IS_BINARY_OP | IS_IT | USES_CCODES,

782

"it:!1b", "!0c", 1),

783

ENCODING_MAP(kThumb2Fmstat, 0xeef1fa10,

784

kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

785

kFmtUnused, -1, -1, NO_OPERAND | SETS_CCODES,

786

"fmstat", "", 2),

787

ENCODING_MAP(kThumb2Vcmpd, 0xeeb40b40,

788

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

789

kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,

790

"vcmp.f64", "!0S, !1S", 2),

791

ENCODING_MAP(kThumb2Vcmps, 0xeeb40a40,

792

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

793

kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01,

794

"vcmp.f32", "!0s, !1s", 2),

795

ENCODING_MAP(kThumb2LdrPcRel12, 0xf8df0000,

796

kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,

797

kFmtUnused, -1, -1,

798

IS_TERTIARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,

799

"ldr", "!0C, [r15pc, #!1d]", 2),

800

ENCODING_MAP(kThumb2BCond, 0xf0008000,

801

kFmtBrOffset, -1, -1, kFmtBitBlt, 25, 22, kFmtUnused, -1, -1,

802

kFmtUnused, -1, -1,

803

IS_BINARY_OP | IS_BRANCH | USES_CCODES,

804

"b!1c", "!0t", 2),

805

ENCODING_MAP(kThumb2Vmovd_RR, 0xeeb00b40,

806

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

807

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

808

"vmov.f64", "!0S, !1S", 2),

809

ENCODING_MAP(kThumb2Vmovs_RR, 0xeeb00a40,

810

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

811

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

812

"vmov.f32", "!0s, !1s", 2),

813

ENCODING_MAP(kThumb2Fmrs, 0xee100a10,

814

kFmtBitBlt, 15, 12, kFmtSfp, 7, 16, kFmtUnused, -1, -1,

815

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

816

"fmrs", "!0C, !1s", 2),

817

ENCODING_MAP(kThumb2Fmsr, 0xee000a10,

818

kFmtSfp, 7, 16, kFmtBitBlt, 15, 12, kFmtUnused, -1, -1,

819

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

820

"fmsr", "!0s, !1C", 2),

821

ENCODING_MAP(kThumb2Fmrrd, 0xec500b10,

822

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtDfp, 5, 0,

823

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01_USE2,

824

"fmrrd", "!0C, !1C, !2S", 2),

825

ENCODING_MAP(kThumb2Fmdrr, 0xec400b10,

826

kFmtDfp, 5, 0, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,

827

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12,

828

"fmdrr", "!0S, !1C, !2C", 2),

829

ENCODING_MAP(kThumb2Vabsd, 0xeeb00bc0,

830

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

831

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

832

"vabs.f64", "!0S, !1S", 2),

833

ENCODING_MAP(kThumb2Vabss, 0xeeb00ac0,

834

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

835

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

836

"vabs.f32", "!0s, !1s", 2),

837

ENCODING_MAP(kThumb2Vnegd, 0xeeb10b40,

838

kFmtDfp, 22, 12, kFmtDfp, 5, 0, kFmtUnused, -1, -1,

839

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

840

"vneg.f64", "!0S, !1S", 2),

841

ENCODING_MAP(kThumb2Vnegs, 0xeeb10a40,

842

kFmtSfp, 22, 12, kFmtSfp, 5, 0, kFmtUnused, -1, -1,

843

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1,

844

"vneg.f32", "!0s, !1s", 2),

845

ENCODING_MAP(kThumb2Vmovs_IMM8, 0xeeb00a00,

846

kFmtSfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,

847

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

848

"vmov.f32", "!0s, #0x!1h", 2),

849

ENCODING_MAP(kThumb2Vmovd_IMM8, 0xeeb00b00,

850

kFmtDfp, 22, 12, kFmtFPImm, 16, 0, kFmtUnused, -1, -1,

851

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

852

"vmov.f64", "!0S, #0x!1h", 2),

853

ENCODING_MAP(kThumb2Mla, 0xfb000000,

854

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtBitBlt, 3, 0,

855

kFmtBitBlt, 15, 12,

856

IS_QUAD_OP | REG_DEF0 | REG_USE1 | REG_USE2 | REG_USE3,

857

"mla", "!0C, !1C, !2C, !3C", 2),

858

ENCODING_MAP(kThumb2Umull, 0xfba00000,

859

kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16,

860

kFmtBitBlt, 3, 0,

861

IS_QUAD_OP | REG_DEF0 | REG_DEF1 | REG_USE2 | REG_USE3,

862

"umull", "!0C, !1C, !2C, !3C", 2),

863

ENCODING_MAP(kThumb2Ldrex, 0xe8500f00,

864

kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16, kFmtBitBlt, 7, 0,

865

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD,

866

"ldrex", "!0C, [!1C, #!2E]", 2),

867

ENCODING_MAP(kThumb2Strex, 0xe8400000,

868

kFmtBitBlt, 11, 8, kFmtBitBlt, 15, 12, kFmtBitBlt, 19, 16,

869

kFmtBitBlt, 7, 0, IS_QUAD_OP | REG_DEF0_USE12 | IS_STORE,

870

"strex", "!0C,!1C, [!2C, #!2E]", 2),

871

ENCODING_MAP(kThumb2Clrex, 0xf3bf8f2f,

872

kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

873

kFmtUnused, -1, -1, NO_OPERAND,

874

"clrex", "", 2),

875

ENCODING_MAP(kThumb2Bfi, 0xf3600000,

876

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtShift5, -1, -1,

877

kFmtBitBlt, 4, 0, IS_QUAD_OP | REG_DEF0_USE1,

878

"bfi", "!0C,!1C,#!2d,#!3d", 2),

879

ENCODING_MAP(kThumb2Bfc, 0xf36f0000,

880

kFmtBitBlt, 11, 8, kFmtShift5, -1, -1, kFmtBitBlt, 4, 0,

881

kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0,

882

"bfc", "!0C,#!1d,#!2d", 2),

883

ENCODING_MAP(kThumb2Dmb, 0xf3bf8f50,

884

kFmtBitBlt, 3, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

885

kFmtUnused, -1, -1, IS_UNARY_OP,

886

"dmb","#!0B",2),

887

ENCODING_MAP(kThumb2LdrPcReln12, 0xf85f0000,

888

kFmtBitBlt, 15, 12, kFmtBitBlt, 11, 0, kFmtUnused, -1, -1,

889

kFmtUnused, -1, -1,

890

IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD,

891

"ldr", "!0C, [r15pc, -#!1d]", 2),

892

ENCODING_MAP(kThumb2Stm, 0xe9000000,

893

kFmtBitBlt, 19, 16, kFmtBitBlt, 12, 0, kFmtUnused, -1, -1,

894

kFmtUnused, -1, -1,

895

IS_BINARY_OP | REG_USE0 | REG_USE_LIST1 | IS_STORE,

896

"stm", "!0C, <!1R>", 2),

897

ENCODING_MAP(kThumbUndefined, 0xde00,

898

kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

899

kFmtUnused, -1, -1, NO_OPERAND,

900

"undefined", "", 1),

901

// NOTE: vpop, vpush hard-encoded for s16+ reg list

902

ENCODING_MAP(kThumb2VPopCS, 0xecbd8a00,

903

kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

904

kFmtUnused, -1, -1,

905

IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_DEF_FPCS_LIST0

906

| IS_LOAD, "vpop", "<!0P>", 2),

907

ENCODING_MAP(kThumb2VPushCS, 0xed2d8a00,

908

kFmtBitBlt, 7, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

909

kFmtUnused, -1, -1,

910

IS_UNARY_OP | REG_DEF_SP | REG_USE_SP | REG_USE_FPCS_LIST0

911

| IS_STORE, "vpush", "<!0P>", 2),

912

ENCODING_MAP(kThumb2Vldms, 0xec900a00,

913

kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,

914

kFmtUnused, -1, -1,

915

IS_TERTIARY_OP | REG_USE0 | REG_DEF_FPCS_LIST2

916

| IS_LOAD, "vldms", "!0C, <!2Q>", 2),

917

ENCODING_MAP(kThumb2Vstms, 0xec800a00,

918

kFmtBitBlt, 19, 16, kFmtSfp, 22, 12, kFmtBitBlt, 7, 0,

919

kFmtUnused, -1, -1,

920

IS_TERTIARY_OP | REG_USE0 | REG_USE_FPCS_LIST2

921

| IS_STORE, "vstms", "!0C, <!2Q>", 2),

922

ENCODING_MAP(kThumb2BUncond, 0xf0009000,

923

kFmtOff24, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

924

kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH,

925

"b", "!0t", 2),

926

ENCODING_MAP(kThumb2MovImm16H, 0xf2c00000,

927

kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,

928

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

929

"movh", "!0C, #!1M", 2),

930

ENCODING_MAP(kThumb2AddPCR, 0x4487,

931

kFmtBitBlt, 6, 3, kFmtUnused, -1, -1, kFmtUnused, -1, -1,

932

kFmtUnused, -1, -1,

933

IS_UNARY_OP | REG_USE0 | IS_BRANCH,

934

"add", "rPC, !0C", 1),

935

ENCODING_MAP(kThumb2AdrST, 0xf20f0000,

936

kFmtBitBlt, 11, 8, kFmtImm12, -1, -1, kFmtUnused, -1, -1,

937

kFmtUnused, -1, -1,

938

IS_TERTIARY_OP | REG_DEF0,/* Note: doesn't affect flags */

939

"adr", "!0C,#!1d", 2),

940

ENCODING_MAP(kThumb2MovImm16LST, 0xf2400000,

941

kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,

942

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

943

"mov", "!0C, #!1M", 2),

944

ENCODING_MAP(kThumb2MovImm16HST, 0xf2c00000,

945

kFmtBitBlt, 11, 8, kFmtImm16, -1, -1, kFmtUnused, -1, -1,

946

kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0,

947

"movh", "!0C, #!1M", 2),

948

ENCODING_MAP(kThumb2LdmiaWB, 0xe8b00000,

949

kFmtBitBlt, 19, 16, kFmtBitBlt, 15, 0, kFmtUnused, -1, -1,

950

kFmtUnused, -1, -1,

951

IS_BINARY_OP | REG_DEF0_USE0 | REG_DEF_LIST1 | IS_LOAD,

952

"ldmia", "!0C!!, <!1R>", 2),

953

ENCODING_MAP(kThumb2SubsRRI12, 0xf1b00000,

954

kFmtBitBlt, 11, 8, kFmtBitBlt, 19, 16, kFmtImm12, -1, -1,

955

kFmtUnused, -1, -1,

956

IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES,

957

"subs", "!0C,!1C,#!2d", 2),

};

/*

* The fake NOP of moving r0 to r0 actually will incur data stalls if r0 is

963

* not ready. Since r5FP is not updated often, it is less likely to

964

* generate unnecessary stall cycles.

965

* TUNING: No longer true - find new NOP pattern.

966

*/

967

#define PADDING_MOV_R5_R5 0x1C2D

968

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

969

static void pushWord(std::vector<short>&buf, int data) {

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

970

buf.push_back( data & 0xffff);

buzbee

9e0f9b0

2011-08-24 15:32:46 -0700

[diff] [blame]

971

buf.push_back( (data >> 16) & 0xffff);

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

972

}

973

974

void alignBuffer(std::vector<short>&buf, size_t offset) {

975

while (buf.size() < (offset/2))

buf.push_back(0);

}

buzbee

2011-08-17 17:51:35 -0700

[diff] [blame]

979

/* Write the numbers in the constant to the output stream */

980

static void installLiteralPools(CompilationUnit* cUnit)

981

{

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

982

alignBuffer(cUnit->codeBuffer, cUnit->dataOffset);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

983

ArmLIR* dataLIR = (ArmLIR*) cUnit->literalList;

984

while (dataLIR) {

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

985

pushWord(cUnit->codeBuffer, dataLIR->operands[0]);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

986

dataLIR = NEXT_LIR(dataLIR);

}

}

/* Write the switch tables to the output stream */

991

static void installSwitchTables(CompilationUnit* cUnit)

992

{

993

GrowableListIterator iterator;

994

oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);

995

while (true) {

996

SwitchTable* tabRec = (SwitchTable *) oatGrowableListIteratorNext(

997

&iterator);

998

if (tabRec == NULL) break;

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

999

alignBuffer(cUnit->codeBuffer, tabRec->offset);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

1000

int bxOffset = tabRec->bxInst->generic.offset + 4;

1001

if (cUnit->printMe) {

buzbee

9e0f9b0

2011-08-24 15:32:46 -0700

[diff] [blame]

1002

LOG(INFO) << "Switch table for offset 0x" << std::hex << bxOffset;

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

1003

}

1004

if (tabRec->table[0] == kSparseSwitchSignature) {

1005

int* keys = (int*)&(tabRec->table[2]);

1006

for (int elems = 0; elems < tabRec->table[1]; elems++) {

1007

int disp = tabRec->targets[elems]->generic.offset - bxOffset;

1008

if (cUnit->printMe) {

1009

LOG(INFO) << " Case[" << elems << "] key: 0x" <<

1010

std::hex << keys[elems] << ", disp: 0x" <<

1011

std::hex << disp;

1012

}

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

1013

pushWord(cUnit->codeBuffer, keys[elems]);

1014

pushWord(cUnit->codeBuffer,

1015

tabRec->targets[elems]->generic.offset - bxOffset);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

1016

}

1017

} else {

1018

assert(tabRec->table[0] == kPackedSwitchSignature);

1019

for (int elems = 0; elems < tabRec->table[1]; elems++) {

1020

int disp = tabRec->targets[elems]->generic.offset - bxOffset;

1021

if (cUnit->printMe) {

1022

LOG(INFO) << " Case[" << elems << "] disp: 0x" <<

1023

std::hex << disp;

1024

}

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

1025

pushWord(cUnit->codeBuffer,

1026

tabRec->targets[elems]->generic.offset - bxOffset);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

}

}

}

}

/* Write the fill array dta to the output stream */

1033

static void installFillArrayData(CompilationUnit* cUnit)

1034

{

1035

GrowableListIterator iterator;

1036

oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);

1037

while (true) {

1038

FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(

1039

&iterator);

1040

if (tabRec == NULL) break;

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

1041

alignBuffer(cUnit->codeBuffer, tabRec->offset);

1042

cUnit->codeBuffer.reserve(cUnit->codeBuffer.size() + (tabRec->size/2));

1043

memcpy(&cUnit->codeBuffer[tabRec->offset/2],

1044

(char*)tabRec->table, tabRec->size);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

}

}

/*

* Assemble the LIR into binary instruction format. Note that we may

1050

* discover that pc-relative displacements may not fit the selected

1051

* instruction.

1052

*/

1053

static AssemblerStatus assembleInstructions(CompilationUnit* cUnit,

1054

intptr_t startAddr)

1055

{

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

1056

ArmLIR* lir;

1057

AssemblerStatus res = kSuccess; // Assume success

1058

1059

for (lir = (ArmLIR *) cUnit->firstLIRInsn; lir; lir = NEXT_LIR(lir)) {

1060

if (lir->opcode < 0) {

1061

if ((lir->opcode == kArmPseudoPseudoAlign4) &&

1062

/* 1 means padding is needed */

1063

(lir->operands[0] == 1)) {

buzbee

c143c55

2011-08-20 17:38:58 -0700

[diff] [blame]

1064

cUnit->codeBuffer.push_back(PADDING_MOV_R5_R5);

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

}

continue;

}

if (lir->flags.isNop) {

continue;

}

/*

* For PC-relative displacements we won't know if the

1075

* selected instruction will work until late (i.e. - now).

1076

* If something doesn't fit, we must replace the short-form

1077

* operation with a longer-form one. Note, though, that this

1078

* can change code we've already processed, so we'll need to

1079

* re-calculate offsets and restart. To limit the number of

1080

* restarts, the entire list will be scanned and patched.

1081

* Of course, the patching itself may cause new overflows so this

1082

* is an iterative process.

1083

*/

1084

1085

if (lir->opcode == kThumbLdrPcRel ||

1086

lir->opcode == kThumb2LdrPcRel12 ||

1087

lir->opcode == kThumbAddPcRel ||

1088

((lir->opcode == kThumb2Vldrs) && (lir->operands[1] == r15pc))) {

1089

/*

1090

* PC-relative loads are mostly used to load immediates

1091

* that are too large to materialize directly in one shot.

1092

* However, if the load displacement exceeds the limit,

1093

* we revert to a 2-instruction materialization sequence.

1094

*/

1095

ArmLIR *lirTarget = (ArmLIR *) lir->generic.target;

1096

intptr_t pc = (lir->generic.offset + 4) & ~3;

1097

intptr_t target = lirTarget->generic.offset;

1098

int delta = target - pc;

1099

if (delta & 0x3) {

1100

LOG(FATAL) << "PC-rel offset not multiple of 4: " << delta;

1101

}

1102

// First, a sanity check for cases we shouldn't see now

1103

if (((lir->opcode == kThumbAddPcRel) && (delta > 1020)) ||

1104

((lir->opcode == kThumbLdrPcRel) && (delta > 1020))) {

1105

// Shouldn't happen in current codegen.

1106

LOG(FATAL) << "Unexpected pc-rel offset " << delta;

1107

}

1108

// Now, check for the two difficult cases

1109

if (1 || ((lir->opcode == kThumb2LdrPcRel12) && (delta > 4091)) ||

1110

((lir->opcode == kThumb2Vldrs) && (delta > 1020))) {

1111

/*

1112

* OK - the load doesn't work. We'll just materialize

1113

* the immediate directly using mov16l and mov16h.

1114

* It's a little ugly for float immediates as we don't have

1115

* float ops like the core mov imm16H/L. In this case

1116

* we'll materialize in a core register (rLR) and then copy.

1117

* NOTE/WARNING: This is a *very* fragile workaround that will

1118

* be addressed in a later release when we have a late spill

1119

* capability. We can get away with it for now because rLR

1120

* is currently only used during call setups, and our convention

1121

* requires all arguments to be passed in core register & the

1122

* frame (and thus, we won't see any vlrds in the sequence).

1123

* The normal resource mask mechanism will prevent any damaging

1124

* code motion.

1125

*/

1126

int tgtReg = (lir->opcode == kThumb2Vldrs) ? rLR :

1127

lir->operands[0];

1128

int immVal = lirTarget->operands[0];

1129

// The standard utilities won't work here - build manually

1130

ArmLIR *newMov16L =

1131

(ArmLIR *)oatNew(sizeof(ArmLIR), true);

1132

newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset;

1133

newMov16L->opcode = kThumb2MovImm16;

1134

newMov16L->operands[0] = tgtReg;

1135

newMov16L->operands[1] = immVal & 0xffff;

1136

oatSetupResourceMasks(newMov16L);

1137

oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L);

1138

ArmLIR *newMov16H =

1139

(ArmLIR *)oatNew(sizeof(ArmLIR), true);

1140

newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset;

1141

newMov16H->opcode = kThumb2MovImm16H;

1142

newMov16H->operands[0] = tgtReg;

1143

newMov16H->operands[1] = (immVal >> 16) & 0xffff;

1144

oatSetupResourceMasks(newMov16H);

1145

oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H);

1146

if (lir->opcode == kThumb2Vldrs) {

1147

// Convert the vldrs to a kThumb2Fmsr

1148

lir->opcode = kThumb2Fmsr;

1149

lir->operands[1] = rLR;

1150

lir->generic.target = NULL;

1151

lir->operands[2] = 0;

1152

oatSetupResourceMasks(lir);

1153

} else {

1154

// Nullify the original load

1155

lir->flags.isNop = true;

}

res = kRetryAll;

} else {

if (lir->opcode == kThumb2Vldrs) {

1160

lir->operands[2] = delta >> 2;

1161

} else {

1162

lir->operands[1] = (lir->opcode == kThumb2LdrPcRel12) ?

delta : delta >> 2;

}

}

} else if (lir->opcode == kThumb2Cbnz || lir->opcode == kThumb2Cbz) {

1167

ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;

1168

intptr_t pc = lir->generic.offset + 4;

1169

intptr_t target = targetLIR->generic.offset;

1170

int delta = target - pc;

1171

if (delta > 126 || delta < 0) {

1172

/* Convert to cmp rx,#0 / b[eq/ne] tgt pair */

1173

ArmLIR *newInst =

1174

(ArmLIR *)oatNew(sizeof(ArmLIR), true);

1175

/* Make new branch instruction and insert after */

1176

newInst->generic.dalvikOffset = lir->generic.dalvikOffset;

1177

newInst->opcode = kThumbBCond;

1178

newInst->operands[0] = 0;

1179

newInst->operands[1] = (lir->opcode == kThumb2Cbz) ?

1180

kArmCondEq : kArmCondNe;

1181

newInst->generic.target = lir->generic.target;

1182

oatSetupResourceMasks(newInst);

1183

oatInsertLIRAfter((LIR *)lir, (LIR *)newInst);

1184

/* Convert the cb[n]z to a cmp rx, #0 ] */

1185

lir->opcode = kThumbCmpRI8;

1186

/* operand[0] is src1 in both cb[n]z & CmpRI8 */

1187

lir->operands[1] = 0;

1188

lir->generic.target = 0;

1189

oatSetupResourceMasks(lir);

1190

res = kRetryAll;

1191

} else {

1192

lir->operands[1] = delta >> 1;

1193

}

1194

} else if (lir->opcode == kThumbBCond ||

1195

lir->opcode == kThumb2BCond) {

1196

ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;

buzbee

7b1b86d

2011-08-26 18:59:10 -0700

[diff] [blame^]

1197

int delta = 0;

1198

if (targetLIR == NULL) {

1199

UNIMPLEMENTED(WARNING) << "Throw targets unimplemented";

1200

} else {

1201

intptr_t pc = lir->generic.offset + 4;

1202

intptr_t target = targetLIR->generic.offset;

1203

delta = target - pc;

1204

if ((lir->opcode == kThumbBCond) && (delta > 254 || delta < -256)) {

1205

lir->opcode = kThumb2BCond;

1206

oatSetupResourceMasks(lir);

1207

res = kRetryAll;

1208

}

buzbee

67bf885

2011-08-17 17:51:35 -0700

[diff] [blame]

1209

}

1210

lir->operands[0] = delta >> 1;

1211

} else if (lir->opcode == kThumb2BUncond) {

1212

ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;

1213

intptr_t pc = lir->generic.offset + 4;

1214

intptr_t target = targetLIR->generic.offset;

1215

int delta = target - pc;

1216

lir->operands[0] = delta >> 1;

1217

if (lir->operands[0] == 0) { // Useless branch?

1218

lir->flags.isNop = true;

1219

res = kRetryAll;

1220

}

1221

} else if (lir->opcode == kThumbBUncond) {

1222

ArmLIR *targetLIR = (ArmLIR *) lir->generic.target;

1223

intptr_t pc = lir->generic.offset + 4;

1224

intptr_t target = targetLIR->generic.offset;

1225

int delta = target - pc;

1226

if (delta > 2046 || delta < -2048) {

1227

// Convert to Thumb2BCond w/ kArmCondAl

1228

lir->opcode = kThumb2BUncond;

1229

lir->operands[0] = 0;

1230

oatSetupResourceMasks(lir);

1231

res = kRetryAll;

1232

}

1233

lir->operands[0] = delta >> 1;

1234

if ((lir->operands[0] == 0) ||

1235

(lir->operands[0] == -1)) { // Useless branch?

1236

lir->flags.isNop = true;

1237

res = kRetryAll;

1238

}

1239

} else if (lir->opcode == kThumbBlx1) {

1240

assert(NEXT_LIR(lir)->opcode == kThumbBlx2);

1241

/* curPC is Thumb */

1242

intptr_t curPC = (startAddr + lir->generic.offset + 4) & ~3;

1243

intptr_t target = lir->operands[1];

1244

1245

/* Match bit[1] in target with base */

if (curPC & 0x2) {

target |= 0x2;

}

int delta = target - curPC;

1250

assert((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));

1251

1252

lir->operands[0] = (delta >> 12) & 0x7ff;

1253

NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;

1254

} else if (lir->opcode == kThumbBl1) {

1255

assert(NEXT_LIR(lir)->opcode == kThumbBl2);

1256

/* Both curPC and target are Thumb */

1257

intptr_t curPC = startAddr + lir->generic.offset + 4;

1258

intptr_t target = lir->operands[1];

1259

1260

int delta = target - curPC;

1261

assert((delta >= -(1<<22)) && (delta <= ((1<<22)-2)));

1262

1263

lir->operands[0] = (delta >> 12) & 0x7ff;

1264

NEXT_LIR(lir)->operands[0] = (delta>> 1) & 0x7ff;

1265

} else if (lir->opcode == kThumb2AdrST) {

1266

SwitchTable *tabRec = (SwitchTable*)lir->operands[2];

1267

int disp = tabRec->offset - ((lir->generic.offset + 4) & ~3);

1268

if (disp < 4096) {

1269

lir->operands[1] = disp;

1270

} else {

1271

// convert to ldimm16l, ldimm16h, add tgt, pc, r12

1272

ArmLIR *newMov16L =

1273

(ArmLIR *)oatNew(sizeof(ArmLIR), true);

1274

newMov16L->generic.dalvikOffset = lir->generic.dalvikOffset;

1275

newMov16L->opcode = kThumb2MovImm16LST;

1276

newMov16L->operands[0] = lir->operands[0];

1277

newMov16L->operands[2] = (intptr_t)lir;

1278

newMov16L->operands[3] = (intptr_t)tabRec;

1279

oatSetupResourceMasks(newMov16L);

1280

oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16L);

1281

ArmLIR *newMov16H =

1282

(ArmLIR *)oatNew(sizeof(ArmLIR), true);

1283

newMov16H->generic.dalvikOffset = lir->generic.dalvikOffset;

1284

newMov16H->opcode = kThumb2MovImm16HST;

1285

newMov16H->operands[0] = lir->operands[0];

1286

newMov16H->operands[2] = (intptr_t)lir;

1287

newMov16H->operands[3] = (intptr_t)tabRec;

1288

oatSetupResourceMasks(newMov16H);

1289

oatInsertLIRBefore((LIR*)lir, (LIR*)newMov16H);

1290

lir->opcode = kThumb2AddRRR;

1291

lir->operands[1] = rPC;

1292

lir->operands[2] = lir->operands[0];

1293

oatSetupResourceMasks(lir);

1294

res = kRetryAll;

1295

}

1296

} else if (lir->opcode == kThumb2MovImm16LST) {

1297

// operands[1] should hold disp, [2] has add, [3] has tabRec

1298

ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];

1299

SwitchTable *tabRec = (SwitchTable*)lir->operands[3];

1300

lir->operands[1] = (tabRec->offset -

1301

((addPCInst->generic.offset + 4) & ~3)) & 0xffff;

1302

} else if (lir->opcode == kThumb2MovImm16HST) {

1303

// operands[1] should hold disp, [2] has add, [3] has tabRec

1304

ArmLIR *addPCInst = (ArmLIR*)lir->operands[2];

1305

SwitchTable *tabRec = (SwitchTable*)lir->operands[3];

1306

lir->operands[1] = ((tabRec->offset -

1307

((addPCInst->generic.offset + 4) & ~3)) >> 16) & 0xffff;

1308

}

1309

ArmEncodingMap *encoder = &EncodingMap[lir->opcode];

1310

u4 bits = encoder->skeleton;

1311

int i;

1312

for (i = 0; i < 4; i++) {

1313

u4 operand;

1314

u4 value;

1315

operand = lir->operands[i];

1316

switch(encoder->fieldLoc[i].kind) {

case kFmtUnused:

break;

case kFmtFPImm:

value = ((operand & 0xF0) >> 4) << encoder->fieldLoc[i].end;

1321

value |= (operand & 0x0F) << encoder->fieldLoc[i].start;

bits |= value;

break;

case kFmtBrOffset:

value = ((operand & 0x80000) >> 19) << 26;

1326

value |= ((operand & 0x40000) >> 18) << 11;

1327

value |= ((operand & 0x20000) >> 17) << 13;

1328

value |= ((operand & 0x1f800) >> 11) << 16;

1329

value |= (operand & 0x007ff);

bits |= value;

break;

case kFmtShift5:

value = ((operand & 0x1c) >> 2) << 12;

1334

value |= (operand & 0x03) << 6;

bits |= value;

break;

case kFmtShift:

value = ((operand & 0x70) >> 4) << 12;

1339

value |= (operand & 0x0f) << 4;

bits |= value;

break;

case kFmtBWidth:

value = operand - 1;

bits |= value;

break;

case kFmtLsb:

value = ((operand & 0x1c) >> 2) << 12;

1348

value |= (operand & 0x03) << 6;

bits |= value;

break;

case kFmtImm6:

value = ((operand & 0x20) >> 5) << 9;

1353

value |= (operand & 0x1f) << 3;

bits |= value;

break;

case kFmtBitBlt:

value = (operand << encoder->fieldLoc[i].start) &

1358

((1 << (encoder->fieldLoc[i].end + 1)) - 1);

bits |= value;

break;

case kFmtDfp: {

assert(DOUBLEREG(operand));

1363

assert((operand & 0x1) == 0);

1364

int regName = (operand & FP_REG_MASK) >> 1;

1365

/* Snag the 1-bit slice and position it */

1366

value = ((regName & 0x10) >> 4) <<

1367

encoder->fieldLoc[i].end;

1368

/* Extract and position the 4-bit slice */

1369

value |= (regName & 0x0f) <<

1370

encoder->fieldLoc[i].start;

bits |= value;

break;

}

case kFmtSfp:

assert(SINGLEREG(operand));

1376

/* Snag the 1-bit slice and position it */

1377

value = (operand & 0x1) <<

1378

encoder->fieldLoc[i].end;

1379

/* Extract and position the 4-bit slice */

1380

value |= ((operand & 0x1e) >> 1) <<

1381

encoder->fieldLoc[i].start;

bits |= value;

break;

case kFmtImm12:

case kFmtModImm:

value = ((operand & 0x800) >> 11) << 26;

1387

value |= ((operand & 0x700) >> 8) << 12;

1388

value |= operand & 0x0ff;

bits |= value;

break;

case kFmtImm16:

value = ((operand & 0x0800) >> 11) << 26;

1393

value |= ((operand & 0xf000) >> 12) << 16;

1394

value |= ((operand & 0x0700) >> 8) << 12;

1395

value |= operand & 0x0ff;

bits |= value;

break;

case kFmtOff24: {

u4 signbit = (operand >> 31) & 0x1;

1400

u4 i1 = (operand >> 22) & 0x1;

1401

u4 i2 = (operand >> 21) & 0x1;

1402

u4 imm10 = (operand >> 11) & 0x03ff;

1403

u4 imm11 = operand & 0x07ff;

1404

u4 j1 = (i1 ^ signbit) ? 0 : 1;

1405

u4 j2 = (i2 ^ signbit) ? 0 : 1;

1406

value = (signbit << 26) | (j1 << 13) | (j2 << 11) |

1407

(imm10 << 16) | imm11;

bits |= value;

}

break;

default:

assert(0);

}

}

if (encoder->size == 2) {

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1416

cUnit->codeBuffer.push_back((bits >> 16) & 0xffff);

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1417

}

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1418

cUnit->codeBuffer.push_back(bits & 0xffff);

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}

return res;

}

static int assignLiteralOffsetCommon(LIR* lir, int offset)

1424

{

1425

for (;lir != NULL; lir = lir->next) {

1426

lir->offset = offset;

offset += 4;

}

return offset;

}

static int createMappingTable(CompilationUnit* cUnit, MappingTable** pTable)

1433

{

1434

ArmLIR* armLIR;

1435

int currentDalvikOffset = -1;

1436

int count = 0;

1437

1438

for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;

1439

armLIR;

1440

armLIR = NEXT_LIR(armLIR)) {

1441

if ((armLIR->opcode >= 0) && !armLIR->flags.isNop &&

1442

(currentDalvikOffset != armLIR->generic.dalvikOffset)) {

1443

// Changed - need to emit a record

1444

if (pTable) {

1445

MappingTable *table = *pTable;

1446

assert(table);

1447

table[count].targetOffset = armLIR->generic.offset;

1448

table[count].dalvikOffset = armLIR->generic.dalvikOffset;

1449

}

1450

count++;

1451

currentDalvikOffset = armLIR->generic.dalvikOffset;

}

}

return count;

}

/* Determine the offset of each literal field */

1458

static int assignLiteralOffset(CompilationUnit* cUnit, int offset)

1459

{

1460

offset = assignLiteralOffsetCommon(cUnit->literalList, offset);

return offset;

}

static int assignSwitchTablesOffset(CompilationUnit* cUnit, int offset)

1465

{

1466

GrowableListIterator iterator;

1467

oatGrowableListIteratorInit(&cUnit->switchTables, &iterator);

1468

while (true) {

1469

SwitchTable *tabRec = (SwitchTable *) oatGrowableListIteratorNext(

1470

&iterator);

1471

if (tabRec == NULL) break;

1472

tabRec->offset = offset;

1473

if (tabRec->table[0] == kSparseSwitchSignature) {

1474

offset += tabRec->table[1] * (sizeof(int) * 2);

1475

} else {

1476

assert(tabRec->table[0] == kPackedSwitchSignature);

1477

offset += tabRec->table[1] * sizeof(int);

}

}

return offset;

}

static int assignFillArrayDataOffset(CompilationUnit* cUnit, int offset)

1484

{

1485

GrowableListIterator iterator;

1486

oatGrowableListIteratorInit(&cUnit->fillArrayData, &iterator);

1487

while (true) {

1488

FillArrayData *tabRec = (FillArrayData *) oatGrowableListIteratorNext(

1489

&iterator);

1490

if (tabRec == NULL) break;

1491

tabRec->offset = offset;

1492

offset += tabRec->size;

1493

// word align

1494

offset = (offset + 3) & ~3;

}

return offset;

}

/*

* Walk the compilation unit and assign offsets to instructions

1501

* and literals and compute the total size of the compiled unit.

1502

*/

1503

void assignOffsets(CompilationUnit* cUnit)

{

ArmLIR* armLIR;

int offset = 0;

for (armLIR = (ArmLIR *) cUnit->firstLIRInsn;

1509

armLIR;

1510

armLIR = NEXT_LIR(armLIR)) {

1511

armLIR->generic.offset = offset;

1512

if (armLIR->opcode >= 0 && !armLIR->flags.isNop) {

1513

armLIR->flags.size = EncodingMap[armLIR->opcode].size * 2;

1514

offset += armLIR->flags.size;

1515

} else if (armLIR->opcode == kArmPseudoPseudoAlign4) {

1516

if (offset & 0x2) {

1517

offset += 2;

1518

armLIR->operands[0] = 1;

1519

} else {

1520

armLIR->operands[0] = 0;

1521

}

1522

}

1523

/* Pseudo opcodes don't consume space */

1524

}

1525

1526

/* Const values have to be word aligned */

1527

offset = (offset + 3) & ~3;

1528

1529

/* Set up offsets for literals */

1530

cUnit->dataOffset = offset;

1531

1532

offset = assignLiteralOffset(cUnit, offset);

1533

1534

offset = assignSwitchTablesOffset(cUnit, offset);

1535

1536

offset = assignFillArrayDataOffset(cUnit, offset);

1537

1538

cUnit->totalSize = offset;

1539

}

1540

/*

1541

* Go over each instruction in the list and calculate the offset from the top

1542

* before sending them off to the assembler. If out-of-range branch distance is

1543

* seen rearrange the instructions a bit to correct it.

1544

*/

1545

void oatAssembleLIR(CompilationUnit* cUnit)

1546

{

1547

assignOffsets(cUnit);

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1548

/*

1549

* Assemble here. Note that we generate code with optimistic assumptions

1550

* and if found now to work, we'll have to redo the sequence and retry.

*/

while (true) {

AssemblerStatus res = assembleInstructions(cUnit, NULL);

1555

if (res == kSuccess) {

1556

break;

1557

} else {

1558

cUnit->assemblerRetries++;

1559

if (cUnit->assemblerRetries > MAX_ASSEMBLER_RETRIES) {

1560

LOG(FATAL) << "Assembler error - too many retries";

1561

}

1562

// Redo offsets and try again

1563

assignOffsets(cUnit);

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1564

cUnit->codeBuffer.clear();

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}

}

// Install literals

installLiteralPools(cUnit);

1570

1571

// Install switch tables

1572

installSwitchTables(cUnit);

1573

1574

// Install fill array data

1575

installFillArrayData(cUnit);

1576

1577

/*

1578

* Create the mapping table

1579

*/

1580

cUnit->mappingTableSize = createMappingTable(cUnit, NULL /* just count */);

1581

cUnit->mappingTable = (MappingTable*)oatNew(

1582

cUnit->mappingTableSize * sizeof(*cUnit->mappingTable), true);

1583

createMappingTable(cUnit, &cUnit->mappingTable);

1584

}