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buzbee67bf8852011-08-17 17:51:35 -07001/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
buzbeeeaf09bc2012-11-15 14:51:41 -080017#include "compiler_internals.h"
buzbeeefc63692012-11-14 16:31:52 -080018#include "dataflow.h"
buzbee67bf8852011-08-17 17:51:35 -070019
Elliott Hughes11d1b0c2012-01-23 16:57:47 -080020namespace art {
21
buzbee67bf8852011-08-17 17:51:35 -070022/*
23 * Main table containing data flow attributes for each bytecode. The
24 * first kNumPackedOpcodes entries are for Dalvik bytecode
25 * instructions, where extended opcode at the MIR level are appended
26 * afterwards.
27 *
28 * TODO - many optimization flags are incomplete - they will only limit the
29 * scope of optimizations but will not cause mis-optimizations.
30 */
buzbeeba938cb2012-02-03 14:47:55 -080031const int oatDataFlowAttributes[kMirOpLast] = {
Bill Buzbeea114add2012-05-03 15:00:40 -070032 // 00 NOP
33 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -070034
Bill Buzbeea114add2012-05-03 15:00:40 -070035 // 01 MOVE vA, vB
36 DF_DA | DF_UB | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070037
Bill Buzbeea114add2012-05-03 15:00:40 -070038 // 02 MOVE_FROM16 vAA, vBBBB
39 DF_DA | DF_UB | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070040
Bill Buzbeea114add2012-05-03 15:00:40 -070041 // 03 MOVE_16 vAAAA, vBBBB
42 DF_DA | DF_UB | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070043
Bill Buzbeea114add2012-05-03 15:00:40 -070044 // 04 MOVE_WIDE vA, vB
buzbeebff24652012-05-06 16:22:05 -070045 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070046
Bill Buzbeea114add2012-05-03 15:00:40 -070047 // 05 MOVE_WIDE_FROM16 vAA, vBBBB
buzbeebff24652012-05-06 16:22:05 -070048 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070049
Bill Buzbeea114add2012-05-03 15:00:40 -070050 // 06 MOVE_WIDE_16 vAAAA, vBBBB
buzbeebff24652012-05-06 16:22:05 -070051 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_IS_MOVE,
buzbee67bf8852011-08-17 17:51:35 -070052
Bill Buzbeea114add2012-05-03 15:00:40 -070053 // 07 MOVE_OBJECT vA, vB
buzbeebff24652012-05-06 16:22:05 -070054 DF_DA | DF_UB | DF_NULL_TRANSFER_0 | DF_IS_MOVE | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -070055
Bill Buzbeea114add2012-05-03 15:00:40 -070056 // 08 MOVE_OBJECT_FROM16 vAA, vBBBB
buzbeebff24652012-05-06 16:22:05 -070057 DF_DA | DF_UB | DF_NULL_TRANSFER_0 | DF_IS_MOVE | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -070058
Bill Buzbeea114add2012-05-03 15:00:40 -070059 // 09 MOVE_OBJECT_16 vAAAA, vBBBB
buzbeebff24652012-05-06 16:22:05 -070060 DF_DA | DF_UB | DF_NULL_TRANSFER_0 | DF_IS_MOVE | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -070061
Bill Buzbeea114add2012-05-03 15:00:40 -070062 // 0A MOVE_RESULT vAA
63 DF_DA,
buzbee67bf8852011-08-17 17:51:35 -070064
Bill Buzbeea114add2012-05-03 15:00:40 -070065 // 0B MOVE_RESULT_WIDE vAA
buzbeebff24652012-05-06 16:22:05 -070066 DF_DA | DF_A_WIDE,
buzbee67bf8852011-08-17 17:51:35 -070067
Bill Buzbeea114add2012-05-03 15:00:40 -070068 // 0C MOVE_RESULT_OBJECT vAA
buzbeebff24652012-05-06 16:22:05 -070069 DF_DA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -070070
Bill Buzbeea114add2012-05-03 15:00:40 -070071 // 0D MOVE_EXCEPTION vAA
buzbee2a83e8f2012-07-13 16:42:30 -070072 DF_DA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -070073
Bill Buzbeea114add2012-05-03 15:00:40 -070074 // 0E RETURN_VOID
75 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -070076
Bill Buzbeea114add2012-05-03 15:00:40 -070077 // 0F RETURN vAA
78 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -070079
Bill Buzbeea114add2012-05-03 15:00:40 -070080 // 10 RETURN_WIDE vAA
buzbeebff24652012-05-06 16:22:05 -070081 DF_UA | DF_A_WIDE,
buzbee67bf8852011-08-17 17:51:35 -070082
Bill Buzbeea114add2012-05-03 15:00:40 -070083 // 11 RETURN_OBJECT vAA
buzbeebff24652012-05-06 16:22:05 -070084 DF_UA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -070085
Bill Buzbeea114add2012-05-03 15:00:40 -070086 // 12 CONST_4 vA, #+B
87 DF_DA | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -070088
Bill Buzbeea114add2012-05-03 15:00:40 -070089 // 13 CONST_16 vAA, #+BBBB
90 DF_DA | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -070091
Bill Buzbeea114add2012-05-03 15:00:40 -070092 // 14 CONST vAA, #+BBBBBBBB
93 DF_DA | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -070094
Bill Buzbeea114add2012-05-03 15:00:40 -070095 // 15 CONST_HIGH16 VAA, #+BBBB0000
96 DF_DA | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -070097
Bill Buzbeea114add2012-05-03 15:00:40 -070098 // 16 CONST_WIDE_16 vAA, #+BBBB
buzbeebff24652012-05-06 16:22:05 -070099 DF_DA | DF_A_WIDE | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -0700100
Bill Buzbeea114add2012-05-03 15:00:40 -0700101 // 17 CONST_WIDE_32 vAA, #+BBBBBBBB
buzbeebff24652012-05-06 16:22:05 -0700102 DF_DA | DF_A_WIDE | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -0700103
Bill Buzbeea114add2012-05-03 15:00:40 -0700104 // 18 CONST_WIDE vAA, #+BBBBBBBBBBBBBBBB
buzbeebff24652012-05-06 16:22:05 -0700105 DF_DA | DF_A_WIDE | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -0700106
Bill Buzbeea114add2012-05-03 15:00:40 -0700107 // 19 CONST_WIDE_HIGH16 vAA, #+BBBB000000000000
buzbeebff24652012-05-06 16:22:05 -0700108 DF_DA | DF_A_WIDE | DF_SETS_CONST,
buzbee67bf8852011-08-17 17:51:35 -0700109
Bill Buzbeea114add2012-05-03 15:00:40 -0700110 // 1A CONST_STRING vAA, string@BBBB
buzbeebff24652012-05-06 16:22:05 -0700111 DF_DA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -0700112
Bill Buzbeea114add2012-05-03 15:00:40 -0700113 // 1B CONST_STRING_JUMBO vAA, string@BBBBBBBB
buzbeebff24652012-05-06 16:22:05 -0700114 DF_DA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -0700115
Bill Buzbeea114add2012-05-03 15:00:40 -0700116 // 1C CONST_CLASS vAA, type@BBBB
buzbeebff24652012-05-06 16:22:05 -0700117 DF_DA | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -0700118
Bill Buzbeea114add2012-05-03 15:00:40 -0700119 // 1D MONITOR_ENTER vAA
buzbeebff24652012-05-06 16:22:05 -0700120 DF_UA | DF_NULL_CHK_0 | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -0700121
Bill Buzbeea114add2012-05-03 15:00:40 -0700122 // 1E MONITOR_EXIT vAA
buzbeebff24652012-05-06 16:22:05 -0700123 DF_UA | DF_NULL_CHK_0 | DF_REF_A,
buzbee67bf8852011-08-17 17:51:35 -0700124
Bill Buzbeea114add2012-05-03 15:00:40 -0700125 // 1F CHK_CAST vAA, type@BBBB
buzbeebff24652012-05-06 16:22:05 -0700126 DF_UA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700127
Bill Buzbeea114add2012-05-03 15:00:40 -0700128 // 20 INSTANCE_OF vA, vB, type@CCCC
buzbeebff24652012-05-06 16:22:05 -0700129 DF_DA | DF_UB | DF_CORE_A | DF_REF_B | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700130
Bill Buzbeea114add2012-05-03 15:00:40 -0700131 // 21 ARRAY_LENGTH vA, vB
buzbeebff24652012-05-06 16:22:05 -0700132 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_CORE_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700133
Bill Buzbeea114add2012-05-03 15:00:40 -0700134 // 22 NEW_INSTANCE vAA, type@BBBB
buzbeebff24652012-05-06 16:22:05 -0700135 DF_DA | DF_NON_NULL_DST | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700136
Bill Buzbeea114add2012-05-03 15:00:40 -0700137 // 23 NEW_ARRAY vA, vB, type@CCCC
buzbeebff24652012-05-06 16:22:05 -0700138 DF_DA | DF_UB | DF_NON_NULL_DST | DF_REF_A | DF_CORE_B | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700139
Bill Buzbeea114add2012-05-03 15:00:40 -0700140 // 24 FILLED_NEW_ARRAY {vD, vE, vF, vG, vA}
141 DF_FORMAT_35C | DF_NON_NULL_RET | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700142
Bill Buzbeea114add2012-05-03 15:00:40 -0700143 // 25 FILLED_NEW_ARRAY_RANGE {vCCCC .. vNNNN}, type@BBBB
144 DF_FORMAT_3RC | DF_NON_NULL_RET | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700145
Bill Buzbeea114add2012-05-03 15:00:40 -0700146 // 26 FILL_ARRAY_DATA vAA, +BBBBBBBB
buzbeebff24652012-05-06 16:22:05 -0700147 DF_UA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700148
Bill Buzbeea114add2012-05-03 15:00:40 -0700149 // 27 THROW vAA
buzbeebff24652012-05-06 16:22:05 -0700150 DF_UA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700151
Bill Buzbeea114add2012-05-03 15:00:40 -0700152 // 28 GOTO
153 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700154
Bill Buzbeea114add2012-05-03 15:00:40 -0700155 // 29 GOTO_16
156 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700157
Bill Buzbeea114add2012-05-03 15:00:40 -0700158 // 2A GOTO_32
159 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700160
Bill Buzbeea114add2012-05-03 15:00:40 -0700161 // 2B PACKED_SWITCH vAA, +BBBBBBBB
162 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700163
Bill Buzbeea114add2012-05-03 15:00:40 -0700164 // 2C SPARSE_SWITCH vAA, +BBBBBBBB
165 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700166
Bill Buzbeea114add2012-05-03 15:00:40 -0700167 // 2D CMPL_FLOAT vAA, vBB, vCC
168 DF_DA | DF_UB | DF_UC | DF_FP_B | DF_FP_C | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700169
Bill Buzbeea114add2012-05-03 15:00:40 -0700170 // 2E CMPG_FLOAT vAA, vBB, vCC
171 DF_DA | DF_UB | DF_UC | DF_FP_B | DF_FP_C | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700172
Bill Buzbeea114add2012-05-03 15:00:40 -0700173 // 2F CMPL_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700174 DF_DA | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_B | DF_FP_C | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700175
Bill Buzbeea114add2012-05-03 15:00:40 -0700176 // 30 CMPG_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700177 DF_DA | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_B | DF_FP_C | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700178
Bill Buzbeea114add2012-05-03 15:00:40 -0700179 // 31 CMP_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700180 DF_DA | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700181
Bill Buzbeea114add2012-05-03 15:00:40 -0700182 // 32 IF_EQ vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700183 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700184
Bill Buzbeea114add2012-05-03 15:00:40 -0700185 // 33 IF_NE vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700186 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700187
Bill Buzbeea114add2012-05-03 15:00:40 -0700188 // 34 IF_LT vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700189 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700190
Bill Buzbeea114add2012-05-03 15:00:40 -0700191 // 35 IF_GE vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700192 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700193
Bill Buzbeea114add2012-05-03 15:00:40 -0700194 // 36 IF_GT vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700195 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700196
Bill Buzbeea114add2012-05-03 15:00:40 -0700197 // 37 IF_LE vA, vB, +CCCC
buzbee2a83e8f2012-07-13 16:42:30 -0700198 DF_UA | DF_UB,
buzbee67bf8852011-08-17 17:51:35 -0700199
Bill Buzbeea114add2012-05-03 15:00:40 -0700200 // 38 IF_EQZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700201 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700202
Bill Buzbeea114add2012-05-03 15:00:40 -0700203 // 39 IF_NEZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700204 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700205
Bill Buzbeea114add2012-05-03 15:00:40 -0700206 // 3A IF_LTZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700207 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700208
Bill Buzbeea114add2012-05-03 15:00:40 -0700209 // 3B IF_GEZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700210 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700211
Bill Buzbeea114add2012-05-03 15:00:40 -0700212 // 3C IF_GTZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700213 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700214
Bill Buzbeea114add2012-05-03 15:00:40 -0700215 // 3D IF_LEZ vAA, +BBBB
buzbee2a83e8f2012-07-13 16:42:30 -0700216 DF_UA,
buzbee67bf8852011-08-17 17:51:35 -0700217
Bill Buzbeea114add2012-05-03 15:00:40 -0700218 // 3E UNUSED_3E
219 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700220
Bill Buzbeea114add2012-05-03 15:00:40 -0700221 // 3F UNUSED_3F
222 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700223
Bill Buzbeea114add2012-05-03 15:00:40 -0700224 // 40 UNUSED_40
225 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700226
Bill Buzbeea114add2012-05-03 15:00:40 -0700227 // 41 UNUSED_41
228 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700229
Bill Buzbeea114add2012-05-03 15:00:40 -0700230 // 42 UNUSED_42
231 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700232
Bill Buzbeea114add2012-05-03 15:00:40 -0700233 // 43 UNUSED_43
234 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700235
Bill Buzbeea114add2012-05-03 15:00:40 -0700236 // 44 AGET vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700237 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700238
Bill Buzbeea114add2012-05-03 15:00:40 -0700239 // 45 AGET_WIDE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700240 DF_DA | DF_A_WIDE | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700241
Bill Buzbeea114add2012-05-03 15:00:40 -0700242 // 46 AGET_OBJECT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700243 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_A | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700244
Bill Buzbeea114add2012-05-03 15:00:40 -0700245 // 47 AGET_BOOLEAN vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700246 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700247
Bill Buzbeea114add2012-05-03 15:00:40 -0700248 // 48 AGET_BYTE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700249 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700250
Bill Buzbeea114add2012-05-03 15:00:40 -0700251 // 49 AGET_CHAR vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700252 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700253
Bill Buzbeea114add2012-05-03 15:00:40 -0700254 // 4A AGET_SHORT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700255 DF_DA | DF_UB | DF_UC | DF_NULL_CHK_0 | DF_RANGE_CHK_1 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700256
Bill Buzbeea114add2012-05-03 15:00:40 -0700257 // 4B APUT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700258 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700259
Bill Buzbeea114add2012-05-03 15:00:40 -0700260 // 4C APUT_WIDE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700261 DF_UA | DF_A_WIDE | DF_UB | DF_UC | DF_NULL_CHK_2 | DF_RANGE_CHK_3 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700262
Bill Buzbeea114add2012-05-03 15:00:40 -0700263 // 4D APUT_OBJECT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700264 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_A | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700265
Bill Buzbeea114add2012-05-03 15:00:40 -0700266 // 4E APUT_BOOLEAN vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700267 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700268
Bill Buzbeea114add2012-05-03 15:00:40 -0700269 // 4F APUT_BYTE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700270 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700271
Bill Buzbeea114add2012-05-03 15:00:40 -0700272 // 50 APUT_CHAR vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700273 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700274
Bill Buzbeea114add2012-05-03 15:00:40 -0700275 // 51 APUT_SHORT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700276 DF_UA | DF_UB | DF_UC | DF_NULL_CHK_1 | DF_RANGE_CHK_2 | DF_REF_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700277
Bill Buzbeea114add2012-05-03 15:00:40 -0700278 // 52 IGET vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700279 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700280
Bill Buzbeea114add2012-05-03 15:00:40 -0700281 // 53 IGET_WIDE vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700282 DF_DA | DF_A_WIDE | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700283
Bill Buzbeea114add2012-05-03 15:00:40 -0700284 // 54 IGET_OBJECT vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700285 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700286
Bill Buzbeea114add2012-05-03 15:00:40 -0700287 // 55 IGET_BOOLEAN vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700288 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700289
Bill Buzbeea114add2012-05-03 15:00:40 -0700290 // 56 IGET_BYTE vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700291 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700292
Bill Buzbeea114add2012-05-03 15:00:40 -0700293 // 57 IGET_CHAR vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700294 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700295
Bill Buzbeea114add2012-05-03 15:00:40 -0700296 // 58 IGET_SHORT vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700297 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700298
Bill Buzbeea114add2012-05-03 15:00:40 -0700299 // 59 IPUT vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700300 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700301
Bill Buzbeea114add2012-05-03 15:00:40 -0700302 // 5A IPUT_WIDE vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700303 DF_UA | DF_A_WIDE | DF_UB | DF_NULL_CHK_2 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700304
Bill Buzbeea114add2012-05-03 15:00:40 -0700305 // 5B IPUT_OBJECT vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700306 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700307
Bill Buzbeea114add2012-05-03 15:00:40 -0700308 // 5C IPUT_BOOLEAN vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700309 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700310
Bill Buzbeea114add2012-05-03 15:00:40 -0700311 // 5D IPUT_BYTE vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700312 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700313
Bill Buzbeea114add2012-05-03 15:00:40 -0700314 // 5E IPUT_CHAR vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700315 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700316
Bill Buzbeea114add2012-05-03 15:00:40 -0700317 // 5F IPUT_SHORT vA, vB, field@CCCC
buzbeebff24652012-05-06 16:22:05 -0700318 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700319
Bill Buzbeea114add2012-05-03 15:00:40 -0700320 // 60 SGET vAA, field@BBBB
321 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700322
Bill Buzbeea114add2012-05-03 15:00:40 -0700323 // 61 SGET_WIDE vAA, field@BBBB
buzbeebff24652012-05-06 16:22:05 -0700324 DF_DA | DF_A_WIDE | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700325
Bill Buzbeea114add2012-05-03 15:00:40 -0700326 // 62 SGET_OBJECT vAA, field@BBBB
buzbeebff24652012-05-06 16:22:05 -0700327 DF_DA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700328
Bill Buzbeea114add2012-05-03 15:00:40 -0700329 // 63 SGET_BOOLEAN vAA, field@BBBB
330 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700331
Bill Buzbeea114add2012-05-03 15:00:40 -0700332 // 64 SGET_BYTE vAA, field@BBBB
333 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700334
Bill Buzbeea114add2012-05-03 15:00:40 -0700335 // 65 SGET_CHAR vAA, field@BBBB
336 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700337
Bill Buzbeea114add2012-05-03 15:00:40 -0700338 // 66 SGET_SHORT vAA, field@BBBB
339 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700340
Bill Buzbeea114add2012-05-03 15:00:40 -0700341 // 67 SPUT vAA, field@BBBB
342 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700343
Bill Buzbeea114add2012-05-03 15:00:40 -0700344 // 68 SPUT_WIDE vAA, field@BBBB
buzbeebff24652012-05-06 16:22:05 -0700345 DF_UA | DF_A_WIDE | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700346
Bill Buzbeea114add2012-05-03 15:00:40 -0700347 // 69 SPUT_OBJECT vAA, field@BBBB
buzbeebff24652012-05-06 16:22:05 -0700348 DF_UA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700349
Bill Buzbeea114add2012-05-03 15:00:40 -0700350 // 6A SPUT_BOOLEAN vAA, field@BBBB
351 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700352
Bill Buzbeea114add2012-05-03 15:00:40 -0700353 // 6B SPUT_BYTE vAA, field@BBBB
354 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700355
Bill Buzbeea114add2012-05-03 15:00:40 -0700356 // 6C SPUT_CHAR vAA, field@BBBB
357 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700358
Bill Buzbeea114add2012-05-03 15:00:40 -0700359 // 6D SPUT_SHORT vAA, field@BBBB
360 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700361
Bill Buzbeea114add2012-05-03 15:00:40 -0700362 // 6E INVOKE_VIRTUAL {vD, vE, vF, vG, vA}
363 DF_FORMAT_35C | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700364
Bill Buzbeea114add2012-05-03 15:00:40 -0700365 // 6F INVOKE_SUPER {vD, vE, vF, vG, vA}
366 DF_FORMAT_35C | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700367
Bill Buzbeea114add2012-05-03 15:00:40 -0700368 // 70 INVOKE_DIRECT {vD, vE, vF, vG, vA}
369 DF_FORMAT_35C | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700370
Bill Buzbeea114add2012-05-03 15:00:40 -0700371 // 71 INVOKE_STATIC {vD, vE, vF, vG, vA}
372 DF_FORMAT_35C | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700373
Bill Buzbeea114add2012-05-03 15:00:40 -0700374 // 72 INVOKE_INTERFACE {vD, vE, vF, vG, vA}
375 DF_FORMAT_35C | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700376
Bill Buzbeea114add2012-05-03 15:00:40 -0700377 // 73 UNUSED_73
378 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700379
Bill Buzbeea114add2012-05-03 15:00:40 -0700380 // 74 INVOKE_VIRTUAL_RANGE {vCCCC .. vNNNN}
381 DF_FORMAT_3RC | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700382
Bill Buzbeea114add2012-05-03 15:00:40 -0700383 // 75 INVOKE_SUPER_RANGE {vCCCC .. vNNNN}
384 DF_FORMAT_3RC | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700385
Bill Buzbeea114add2012-05-03 15:00:40 -0700386 // 76 INVOKE_DIRECT_RANGE {vCCCC .. vNNNN}
387 DF_FORMAT_3RC | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700388
Bill Buzbeea114add2012-05-03 15:00:40 -0700389 // 77 INVOKE_STATIC_RANGE {vCCCC .. vNNNN}
390 DF_FORMAT_3RC | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700391
Bill Buzbeea114add2012-05-03 15:00:40 -0700392 // 78 INVOKE_INTERFACE_RANGE {vCCCC .. vNNNN}
393 DF_FORMAT_3RC | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700394
Bill Buzbeea114add2012-05-03 15:00:40 -0700395 // 79 UNUSED_79
396 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700397
Bill Buzbeea114add2012-05-03 15:00:40 -0700398 // 7A UNUSED_7A
399 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700400
Bill Buzbeea114add2012-05-03 15:00:40 -0700401 // 7B NEG_INT vA, vB
402 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700403
Bill Buzbeea114add2012-05-03 15:00:40 -0700404 // 7C NOT_INT vA, vB
405 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700406
Bill Buzbeea114add2012-05-03 15:00:40 -0700407 // 7D NEG_LONG vA, vB
buzbeebff24652012-05-06 16:22:05 -0700408 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700409
Bill Buzbeea114add2012-05-03 15:00:40 -0700410 // 7E NOT_LONG vA, vB
buzbeebff24652012-05-06 16:22:05 -0700411 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700412
Bill Buzbeea114add2012-05-03 15:00:40 -0700413 // 7F NEG_FLOAT vA, vB
414 DF_DA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700415
Bill Buzbeea114add2012-05-03 15:00:40 -0700416 // 80 NEG_DOUBLE vA, vB
buzbeebff24652012-05-06 16:22:05 -0700417 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700418
Bill Buzbeea114add2012-05-03 15:00:40 -0700419 // 81 INT_TO_LONG vA, vB
buzbeebff24652012-05-06 16:22:05 -0700420 DF_DA | DF_A_WIDE | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700421
Bill Buzbeea114add2012-05-03 15:00:40 -0700422 // 82 INT_TO_FLOAT vA, vB
423 DF_DA | DF_UB | DF_FP_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700424
Bill Buzbeea114add2012-05-03 15:00:40 -0700425 // 83 INT_TO_DOUBLE vA, vB
buzbeebff24652012-05-06 16:22:05 -0700426 DF_DA | DF_A_WIDE | DF_UB | DF_FP_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700427
Bill Buzbeea114add2012-05-03 15:00:40 -0700428 // 84 LONG_TO_INT vA, vB
buzbeebff24652012-05-06 16:22:05 -0700429 DF_DA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700430
Bill Buzbeea114add2012-05-03 15:00:40 -0700431 // 85 LONG_TO_FLOAT vA, vB
buzbeebff24652012-05-06 16:22:05 -0700432 DF_DA | DF_UB | DF_B_WIDE | DF_FP_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700433
Bill Buzbeea114add2012-05-03 15:00:40 -0700434 // 86 LONG_TO_DOUBLE vA, vB
buzbeebff24652012-05-06 16:22:05 -0700435 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_FP_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700436
Bill Buzbeea114add2012-05-03 15:00:40 -0700437 // 87 FLOAT_TO_INT vA, vB
438 DF_DA | DF_UB | DF_FP_B | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700439
Bill Buzbeea114add2012-05-03 15:00:40 -0700440 // 88 FLOAT_TO_LONG vA, vB
buzbeebff24652012-05-06 16:22:05 -0700441 DF_DA | DF_A_WIDE | DF_UB | DF_FP_B | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700442
Bill Buzbeea114add2012-05-03 15:00:40 -0700443 // 89 FLOAT_TO_DOUBLE vA, vB
buzbeebff24652012-05-06 16:22:05 -0700444 DF_DA | DF_A_WIDE | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700445
Bill Buzbeea114add2012-05-03 15:00:40 -0700446 // 8A DOUBLE_TO_INT vA, vB
buzbeebff24652012-05-06 16:22:05 -0700447 DF_DA | DF_UB | DF_B_WIDE | DF_FP_B | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700448
Bill Buzbeea114add2012-05-03 15:00:40 -0700449 // 8B DOUBLE_TO_LONG vA, vB
buzbeebff24652012-05-06 16:22:05 -0700450 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_FP_B | DF_CORE_A,
buzbee67bf8852011-08-17 17:51:35 -0700451
Bill Buzbeea114add2012-05-03 15:00:40 -0700452 // 8C DOUBLE_TO_FLOAT vA, vB
buzbeebff24652012-05-06 16:22:05 -0700453 DF_DA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700454
Bill Buzbeea114add2012-05-03 15:00:40 -0700455 // 8D INT_TO_BYTE vA, vB
456 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700457
Bill Buzbeea114add2012-05-03 15:00:40 -0700458 // 8E INT_TO_CHAR vA, vB
459 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700460
Bill Buzbeea114add2012-05-03 15:00:40 -0700461 // 8F INT_TO_SHORT vA, vB
462 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700463
Bill Buzbeea114add2012-05-03 15:00:40 -0700464 // 90 ADD_INT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700465 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700466
Bill Buzbeea114add2012-05-03 15:00:40 -0700467 // 91 SUB_INT vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700468 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700469
Bill Buzbeea114add2012-05-03 15:00:40 -0700470 // 92 MUL_INT vAA, vBB, vCC
471 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700472
Bill Buzbeea114add2012-05-03 15:00:40 -0700473 // 93 DIV_INT vAA, vBB, vCC
474 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700475
Bill Buzbeea114add2012-05-03 15:00:40 -0700476 // 94 REM_INT vAA, vBB, vCC
477 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700478
Bill Buzbeea114add2012-05-03 15:00:40 -0700479 // 95 AND_INT vAA, vBB, vCC
480 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700481
Bill Buzbeea114add2012-05-03 15:00:40 -0700482 // 96 OR_INT vAA, vBB, vCC
483 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700484
Bill Buzbeea114add2012-05-03 15:00:40 -0700485 // 97 XOR_INT vAA, vBB, vCC
486 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700487
Bill Buzbeea114add2012-05-03 15:00:40 -0700488 // 98 SHL_INT vAA, vBB, vCC
489 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700490
Bill Buzbeea114add2012-05-03 15:00:40 -0700491 // 99 SHR_INT vAA, vBB, vCC
492 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700493
Bill Buzbeea114add2012-05-03 15:00:40 -0700494 // 9A USHR_INT vAA, vBB, vCC
495 DF_DA | DF_UB | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700496
Bill Buzbeea114add2012-05-03 15:00:40 -0700497 // 9B ADD_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700498 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700499
Bill Buzbeea114add2012-05-03 15:00:40 -0700500 // 9C SUB_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700501 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700502
Bill Buzbeea114add2012-05-03 15:00:40 -0700503 // 9D MUL_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700504 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700505
Bill Buzbeea114add2012-05-03 15:00:40 -0700506 // 9E DIV_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700507 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700508
Bill Buzbeea114add2012-05-03 15:00:40 -0700509 // 9F REM_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700510 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700511
Bill Buzbeea114add2012-05-03 15:00:40 -0700512 // A0 AND_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700513 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700514
Bill Buzbeea114add2012-05-03 15:00:40 -0700515 // A1 OR_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700516 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700517
Bill Buzbeea114add2012-05-03 15:00:40 -0700518 // A2 XOR_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700519 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700520
Bill Buzbeea114add2012-05-03 15:00:40 -0700521 // A3 SHL_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700522 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700523
Bill Buzbeea114add2012-05-03 15:00:40 -0700524 // A4 SHR_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700525 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700526
Bill Buzbeea114add2012-05-03 15:00:40 -0700527 // A5 USHR_LONG vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700528 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_CORE_A | DF_CORE_B | DF_CORE_C,
buzbee67bf8852011-08-17 17:51:35 -0700529
Bill Buzbeea114add2012-05-03 15:00:40 -0700530 // A6 ADD_FLOAT vAA, vBB, vCC
531 DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700532
Bill Buzbeea114add2012-05-03 15:00:40 -0700533 // A7 SUB_FLOAT vAA, vBB, vCC
534 DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700535
Bill Buzbeea114add2012-05-03 15:00:40 -0700536 // A8 MUL_FLOAT vAA, vBB, vCC
537 DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700538
Bill Buzbeea114add2012-05-03 15:00:40 -0700539 // A9 DIV_FLOAT vAA, vBB, vCC
540 DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700541
Bill Buzbeea114add2012-05-03 15:00:40 -0700542 // AA REM_FLOAT vAA, vBB, vCC
543 DF_DA | DF_UB | DF_UC | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700544
Bill Buzbeea114add2012-05-03 15:00:40 -0700545 // AB ADD_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700546 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700547
Bill Buzbeea114add2012-05-03 15:00:40 -0700548 // AC SUB_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700549 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700550
Bill Buzbeea114add2012-05-03 15:00:40 -0700551 // AD MUL_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700552 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700553
Bill Buzbeea114add2012-05-03 15:00:40 -0700554 // AE DIV_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700555 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700556
Bill Buzbeea114add2012-05-03 15:00:40 -0700557 // AF REM_DOUBLE vAA, vBB, vCC
buzbeebff24652012-05-06 16:22:05 -0700558 DF_DA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_UC | DF_C_WIDE | DF_FP_A | DF_FP_B | DF_FP_C,
buzbee67bf8852011-08-17 17:51:35 -0700559
Bill Buzbeea114add2012-05-03 15:00:40 -0700560 // B0 ADD_INT_2ADDR vA, vB
561 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700562
Bill Buzbeea114add2012-05-03 15:00:40 -0700563 // B1 SUB_INT_2ADDR vA, vB
564 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700565
Bill Buzbeea114add2012-05-03 15:00:40 -0700566 // B2 MUL_INT_2ADDR vA, vB
567 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700568
Bill Buzbeea114add2012-05-03 15:00:40 -0700569 // B3 DIV_INT_2ADDR vA, vB
570 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700571
Bill Buzbeea114add2012-05-03 15:00:40 -0700572 // B4 REM_INT_2ADDR vA, vB
573 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700574
Bill Buzbeea114add2012-05-03 15:00:40 -0700575 // B5 AND_INT_2ADDR vA, vB
576 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700577
Bill Buzbeea114add2012-05-03 15:00:40 -0700578 // B6 OR_INT_2ADDR vA, vB
579 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700580
Bill Buzbeea114add2012-05-03 15:00:40 -0700581 // B7 XOR_INT_2ADDR vA, vB
582 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700583
Bill Buzbeea114add2012-05-03 15:00:40 -0700584 // B8 SHL_INT_2ADDR vA, vB
585 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700586
Bill Buzbeea114add2012-05-03 15:00:40 -0700587 // B9 SHR_INT_2ADDR vA, vB
588 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700589
Bill Buzbeea114add2012-05-03 15:00:40 -0700590 // BA USHR_INT_2ADDR vA, vB
591 DF_DA | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700592
Bill Buzbeea114add2012-05-03 15:00:40 -0700593 // BB ADD_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700594 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700595
Bill Buzbeea114add2012-05-03 15:00:40 -0700596 // BC SUB_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700597 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700598
Bill Buzbeea114add2012-05-03 15:00:40 -0700599 // BD MUL_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700600 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700601
Bill Buzbeea114add2012-05-03 15:00:40 -0700602 // BE DIV_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700603 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700604
Bill Buzbeea114add2012-05-03 15:00:40 -0700605 // BF REM_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700606 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700607
Bill Buzbeea114add2012-05-03 15:00:40 -0700608 // C0 AND_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700609 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700610
Bill Buzbeea114add2012-05-03 15:00:40 -0700611 // C1 OR_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700612 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700613
Bill Buzbeea114add2012-05-03 15:00:40 -0700614 // C2 XOR_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700615 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700616
Bill Buzbeea114add2012-05-03 15:00:40 -0700617 // C3 SHL_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700618 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700619
Bill Buzbeea114add2012-05-03 15:00:40 -0700620 // C4 SHR_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700621 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700622
Bill Buzbeea114add2012-05-03 15:00:40 -0700623 // C5 USHR_LONG_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700624 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700625
Bill Buzbeea114add2012-05-03 15:00:40 -0700626 // C6 ADD_FLOAT_2ADDR vA, vB
627 DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700628
Bill Buzbeea114add2012-05-03 15:00:40 -0700629 // C7 SUB_FLOAT_2ADDR vA, vB
630 DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700631
Bill Buzbeea114add2012-05-03 15:00:40 -0700632 // C8 MUL_FLOAT_2ADDR vA, vB
633 DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700634
Bill Buzbeea114add2012-05-03 15:00:40 -0700635 // C9 DIV_FLOAT_2ADDR vA, vB
636 DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700637
Bill Buzbeea114add2012-05-03 15:00:40 -0700638 // CA REM_FLOAT_2ADDR vA, vB
639 DF_DA | DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700640
Bill Buzbeea114add2012-05-03 15:00:40 -0700641 // CB ADD_DOUBLE_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700642 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700643
Bill Buzbeea114add2012-05-03 15:00:40 -0700644 // CC SUB_DOUBLE_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700645 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700646
Bill Buzbeea114add2012-05-03 15:00:40 -0700647 // CD MUL_DOUBLE_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700648 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700649
Bill Buzbeea114add2012-05-03 15:00:40 -0700650 // CE DIV_DOUBLE_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700651 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700652
Bill Buzbeea114add2012-05-03 15:00:40 -0700653 // CF REM_DOUBLE_2ADDR vA, vB
buzbeebff24652012-05-06 16:22:05 -0700654 DF_DA | DF_A_WIDE | DF_UA | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee67bf8852011-08-17 17:51:35 -0700655
Bill Buzbeea114add2012-05-03 15:00:40 -0700656 // D0 ADD_INT_LIT16 vA, vB, #+CCCC
657 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700658
Bill Buzbeea114add2012-05-03 15:00:40 -0700659 // D1 RSUB_INT vA, vB, #+CCCC
660 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700661
Bill Buzbeea114add2012-05-03 15:00:40 -0700662 // D2 MUL_INT_LIT16 vA, vB, #+CCCC
663 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700664
Bill Buzbeea114add2012-05-03 15:00:40 -0700665 // D3 DIV_INT_LIT16 vA, vB, #+CCCC
666 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700667
Bill Buzbeea114add2012-05-03 15:00:40 -0700668 // D4 REM_INT_LIT16 vA, vB, #+CCCC
669 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700670
Bill Buzbeea114add2012-05-03 15:00:40 -0700671 // D5 AND_INT_LIT16 vA, vB, #+CCCC
672 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700673
Bill Buzbeea114add2012-05-03 15:00:40 -0700674 // D6 OR_INT_LIT16 vA, vB, #+CCCC
675 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700676
Bill Buzbeea114add2012-05-03 15:00:40 -0700677 // D7 XOR_INT_LIT16 vA, vB, #+CCCC
678 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700679
Bill Buzbeea114add2012-05-03 15:00:40 -0700680 // D8 ADD_INT_LIT8 vAA, vBB, #+CC
buzbeebff24652012-05-06 16:22:05 -0700681 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700682
Bill Buzbeea114add2012-05-03 15:00:40 -0700683 // D9 RSUB_INT_LIT8 vAA, vBB, #+CC
684 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700685
Bill Buzbeea114add2012-05-03 15:00:40 -0700686 // DA MUL_INT_LIT8 vAA, vBB, #+CC
687 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700688
Bill Buzbeea114add2012-05-03 15:00:40 -0700689 // DB DIV_INT_LIT8 vAA, vBB, #+CC
690 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700691
Bill Buzbeea114add2012-05-03 15:00:40 -0700692 // DC REM_INT_LIT8 vAA, vBB, #+CC
693 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700694
Bill Buzbeea114add2012-05-03 15:00:40 -0700695 // DD AND_INT_LIT8 vAA, vBB, #+CC
696 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700697
Bill Buzbeea114add2012-05-03 15:00:40 -0700698 // DE OR_INT_LIT8 vAA, vBB, #+CC
699 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700700
Bill Buzbeea114add2012-05-03 15:00:40 -0700701 // DF XOR_INT_LIT8 vAA, vBB, #+CC
702 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700703
Bill Buzbeea114add2012-05-03 15:00:40 -0700704 // E0 SHL_INT_LIT8 vAA, vBB, #+CC
705 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700706
Bill Buzbeea114add2012-05-03 15:00:40 -0700707 // E1 SHR_INT_LIT8 vAA, vBB, #+CC
708 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700709
Bill Buzbeea114add2012-05-03 15:00:40 -0700710 // E2 USHR_INT_LIT8 vAA, vBB, #+CC
711 DF_DA | DF_UB | DF_CORE_A | DF_CORE_B,
buzbee67bf8852011-08-17 17:51:35 -0700712
Bill Buzbeea114add2012-05-03 15:00:40 -0700713 // E3 IGET_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700714 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700715
Bill Buzbeea114add2012-05-03 15:00:40 -0700716 // E4 IPUT_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700717 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700718
Bill Buzbeea114add2012-05-03 15:00:40 -0700719 // E5 SGET_VOLATILE
720 DF_DA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700721
Bill Buzbeea114add2012-05-03 15:00:40 -0700722 // E6 SPUT_VOLATILE
723 DF_UA | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700724
Bill Buzbeea114add2012-05-03 15:00:40 -0700725 // E7 IGET_OBJECT_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700726 DF_DA | DF_UB | DF_NULL_CHK_0 | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700727
Bill Buzbeea114add2012-05-03 15:00:40 -0700728 // E8 IGET_WIDE_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700729 DF_DA | DF_A_WIDE | DF_UB | DF_NULL_CHK_0 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700730
Bill Buzbeea114add2012-05-03 15:00:40 -0700731 // E9 IPUT_WIDE_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700732 DF_UA | DF_A_WIDE | DF_UB | DF_NULL_CHK_2 | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700733
Bill Buzbeea114add2012-05-03 15:00:40 -0700734 // EA SGET_WIDE_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700735 DF_DA | DF_A_WIDE | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700736
Bill Buzbeea114add2012-05-03 15:00:40 -0700737 // EB SPUT_WIDE_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700738 DF_UA | DF_A_WIDE | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700739
Bill Buzbeea114add2012-05-03 15:00:40 -0700740 // EC BREAKPOINT
741 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700742
Bill Buzbeea114add2012-05-03 15:00:40 -0700743 // ED THROW_VERIFICATION_ERROR
744 DF_NOP | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700745
Bill Buzbeea114add2012-05-03 15:00:40 -0700746 // EE EXECUTE_INLINE
747 DF_FORMAT_35C,
buzbee67bf8852011-08-17 17:51:35 -0700748
Bill Buzbeea114add2012-05-03 15:00:40 -0700749 // EF EXECUTE_INLINE_RANGE
750 DF_FORMAT_3RC,
buzbee67bf8852011-08-17 17:51:35 -0700751
Bill Buzbeea114add2012-05-03 15:00:40 -0700752 // F0 INVOKE_OBJECT_INIT_RANGE
753 DF_NOP | DF_NULL_CHK_0,
buzbee67bf8852011-08-17 17:51:35 -0700754
Bill Buzbeea114add2012-05-03 15:00:40 -0700755 // F1 RETURN_VOID_BARRIER
756 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700757
Bill Buzbeea114add2012-05-03 15:00:40 -0700758 // F2 IGET_QUICK
759 DF_DA | DF_UB | DF_NULL_CHK_0,
buzbee67bf8852011-08-17 17:51:35 -0700760
Bill Buzbeea114add2012-05-03 15:00:40 -0700761 // F3 IGET_WIDE_QUICK
buzbeebff24652012-05-06 16:22:05 -0700762 DF_DA | DF_A_WIDE | DF_UB | DF_NULL_CHK_0,
buzbee67bf8852011-08-17 17:51:35 -0700763
Bill Buzbeea114add2012-05-03 15:00:40 -0700764 // F4 IGET_OBJECT_QUICK
765 DF_DA | DF_UB | DF_NULL_CHK_0,
buzbee67bf8852011-08-17 17:51:35 -0700766
Bill Buzbeea114add2012-05-03 15:00:40 -0700767 // F5 IPUT_QUICK
768 DF_UA | DF_UB | DF_NULL_CHK_1,
buzbee67bf8852011-08-17 17:51:35 -0700769
Bill Buzbeea114add2012-05-03 15:00:40 -0700770 // F6 IPUT_WIDE_QUICK
buzbeebff24652012-05-06 16:22:05 -0700771 DF_UA | DF_A_WIDE | DF_UB | DF_NULL_CHK_2,
buzbee67bf8852011-08-17 17:51:35 -0700772
Bill Buzbeea114add2012-05-03 15:00:40 -0700773 // F7 IPUT_OBJECT_QUICK
774 DF_UA | DF_UB | DF_NULL_CHK_1,
buzbee67bf8852011-08-17 17:51:35 -0700775
Bill Buzbeea114add2012-05-03 15:00:40 -0700776 // F8 INVOKE_VIRTUAL_QUICK
777 DF_FORMAT_35C | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700778
Bill Buzbeea114add2012-05-03 15:00:40 -0700779 // F9 INVOKE_VIRTUAL_QUICK_RANGE
780 DF_FORMAT_3RC | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700781
Bill Buzbeea114add2012-05-03 15:00:40 -0700782 // FA INVOKE_SUPER_QUICK
783 DF_FORMAT_35C | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700784
Bill Buzbeea114add2012-05-03 15:00:40 -0700785 // FB INVOKE_SUPER_QUICK_RANGE
786 DF_FORMAT_3RC | DF_NULL_CHK_OUT0 | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700787
Bill Buzbeea114add2012-05-03 15:00:40 -0700788 // FC IPUT_OBJECT_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700789 DF_UA | DF_UB | DF_NULL_CHK_1 | DF_REF_A | DF_REF_B,
buzbee67bf8852011-08-17 17:51:35 -0700790
Bill Buzbeea114add2012-05-03 15:00:40 -0700791 // FD SGET_OBJECT_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700792 DF_DA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700793
Bill Buzbeea114add2012-05-03 15:00:40 -0700794 // FE SPUT_OBJECT_VOLATILE
buzbeebff24652012-05-06 16:22:05 -0700795 DF_UA | DF_REF_A | DF_UMS,
buzbee67bf8852011-08-17 17:51:35 -0700796
Bill Buzbeea114add2012-05-03 15:00:40 -0700797 // FF UNUSED_FF
798 DF_NOP,
buzbee67bf8852011-08-17 17:51:35 -0700799
Bill Buzbeea114add2012-05-03 15:00:40 -0700800 // Beginning of extended MIR opcodes
801 // 100 MIR_PHI
buzbeebff24652012-05-06 16:22:05 -0700802 DF_DA | DF_NULL_TRANSFER_N,
buzbee84fd6932012-03-29 16:44:16 -0700803
Bill Buzbeea114add2012-05-03 15:00:40 -0700804 // 101 MIR_COPY
805 DF_DA | DF_UB | DF_IS_MOVE,
buzbee84fd6932012-03-29 16:44:16 -0700806
Bill Buzbeea114add2012-05-03 15:00:40 -0700807 // 102 MIR_FUSED_CMPL_FLOAT
808 DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee84fd6932012-03-29 16:44:16 -0700809
Bill Buzbeea114add2012-05-03 15:00:40 -0700810 // 103 MIR_FUSED_CMPG_FLOAT
811 DF_UA | DF_UB | DF_FP_A | DF_FP_B,
buzbee84fd6932012-03-29 16:44:16 -0700812
Bill Buzbeea114add2012-05-03 15:00:40 -0700813 // 104 MIR_FUSED_CMPL_DOUBLE
buzbeebff24652012-05-06 16:22:05 -0700814 DF_UA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee84fd6932012-03-29 16:44:16 -0700815
Bill Buzbeea114add2012-05-03 15:00:40 -0700816 // 105 MIR_FUSED_CMPG_DOUBLE
buzbeebff24652012-05-06 16:22:05 -0700817 DF_UA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_FP_A | DF_FP_B,
buzbee84fd6932012-03-29 16:44:16 -0700818
Bill Buzbeea114add2012-05-03 15:00:40 -0700819 // 106 MIR_FUSED_CMP_LONG
buzbeebff24652012-05-06 16:22:05 -0700820 DF_UA | DF_A_WIDE | DF_UB | DF_B_WIDE | DF_CORE_A | DF_CORE_B,
buzbee84fd6932012-03-29 16:44:16 -0700821
Bill Buzbeea114add2012-05-03 15:00:40 -0700822 // 107 MIR_NOP
823 DF_NOP,
buzbee84fd6932012-03-29 16:44:16 -0700824
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700825 // 108 MIR_NULL_CHECK
Bill Buzbeea114add2012-05-03 15:00:40 -0700826 0,
buzbee84fd6932012-03-29 16:44:16 -0700827
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700828 // 109 MIR_RANGE_CHECK
Bill Buzbeea114add2012-05-03 15:00:40 -0700829 0,
buzbee84fd6932012-03-29 16:44:16 -0700830
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700831 // 110 MIR_DIV_ZERO_CHECK
832 0,
833
834 // 111 MIR_CHECK
Bill Buzbeea114add2012-05-03 15:00:40 -0700835 0,
buzbee67bf8852011-08-17 17:51:35 -0700836};
837
buzbeee1965672012-03-11 18:39:19 -0700838/* Return the base virtual register for a SSA name */
839int SRegToVReg(const CompilationUnit* cUnit, int ssaReg)
buzbee67bf8852011-08-17 17:51:35 -0700840{
buzbeecbd6d442012-11-17 14:11:25 -0800841 DCHECK_LT(ssaReg, static_cast<int>(cUnit->ssaBaseVRegs->numUsed));
Bill Buzbeea114add2012-05-03 15:00:40 -0700842 return GET_ELEM_N(cUnit->ssaBaseVRegs, int, ssaReg);
buzbee67bf8852011-08-17 17:51:35 -0700843}
844
buzbeee1965672012-03-11 18:39:19 -0700845int SRegToSubscript(const CompilationUnit* cUnit, int ssaReg)
846{
buzbeecbd6d442012-11-17 14:11:25 -0800847 DCHECK(ssaReg < static_cast<int>(cUnit->ssaSubscripts->numUsed));
Bill Buzbeea114add2012-05-03 15:00:40 -0700848 return GET_ELEM_N(cUnit->ssaSubscripts, int, ssaReg);
buzbeee1965672012-03-11 18:39:19 -0700849}
850
buzbee52a77fc2012-11-20 19:50:46 -0800851static int GetSSAUseCount(CompilationUnit* cUnit, int sReg)
buzbee84fd6932012-03-29 16:44:16 -0700852{
buzbeecbd6d442012-11-17 14:11:25 -0800853 DCHECK(sReg < static_cast<int>(cUnit->rawUseCounts.numUsed));
Bill Buzbeea114add2012-05-03 15:00:40 -0700854 return cUnit->rawUseCounts.elemList[sReg];
buzbee84fd6932012-03-29 16:44:16 -0700855}
856
857
buzbee52a77fc2012-11-20 19:50:46 -0800858char* GetDalvikDisassembly(CompilationUnit* cUnit,
Elliott Hughesadb8c672012-03-06 16:49:32 -0800859 const DecodedInstruction& insn, const char* note)
buzbee67bf8852011-08-17 17:51:35 -0700860{
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700861 std::string str;
862 int opcode = insn.opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -0700863 int dfAttributes = oatDataFlowAttributes[opcode];
864 int flags;
865 char* ret;
buzbee67bf8852011-08-17 17:51:35 -0700866
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700867 if (opcode >= kMirOpFirst) {
868 if (opcode == kMirOpPhi) {
869 str.append("PHI");
870 } else if (opcode == kMirOpCheck) {
871 str.append("Check");
buzbee67bf8852011-08-17 17:51:35 -0700872 } else {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700873 str.append(StringPrintf("Opcode %#x", opcode));
buzbee67bf8852011-08-17 17:51:35 -0700874 }
Bill Buzbeea114add2012-05-03 15:00:40 -0700875 flags = 0;
876 } else {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700877 str.append(Instruction::Name(insn.opcode));
Ian Rogersa75a0132012-09-28 11:41:42 -0700878 flags = Instruction::FlagsOf(insn.opcode);
Bill Buzbeea114add2012-05-03 15:00:40 -0700879 }
buzbee67bf8852011-08-17 17:51:35 -0700880
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700881 if (note) {
882 str.append(note);
883 }
buzbee67bf8852011-08-17 17:51:35 -0700884
Bill Buzbeea114add2012-05-03 15:00:40 -0700885 /* For branches, decode the instructions to print out the branch targets */
886 if (flags & Instruction::kBranch) {
887 Instruction::Format dalvikFormat = Instruction::FormatOf(insn.opcode);
888 int offset = 0;
889 switch (dalvikFormat) {
890 case Instruction::k21t:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700891 str.append(StringPrintf(" v%d,", insn.vA));
buzbeecbd6d442012-11-17 14:11:25 -0800892 offset = insn.vB;
Bill Buzbeea114add2012-05-03 15:00:40 -0700893 break;
894 case Instruction::k22t:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700895 str.append(StringPrintf(" v%d, v%d,", insn.vA, insn.vB));
buzbeecbd6d442012-11-17 14:11:25 -0800896 offset = insn.vC;
Bill Buzbeea114add2012-05-03 15:00:40 -0700897 break;
898 case Instruction::k10t:
899 case Instruction::k20t:
900 case Instruction::k30t:
buzbeecbd6d442012-11-17 14:11:25 -0800901 offset = insn.vA;
Bill Buzbeea114add2012-05-03 15:00:40 -0700902 break;
903 default:
buzbeecbd6d442012-11-17 14:11:25 -0800904 LOG(FATAL) << "Unexpected branch format " << dalvikFormat << " from " << insn.opcode;
buzbee67bf8852011-08-17 17:51:35 -0700905 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700906 str.append(StringPrintf(" (%c%x)",
907 offset > 0 ? '+' : '-',
908 offset > 0 ? offset : -offset));
Bill Buzbeea114add2012-05-03 15:00:40 -0700909 } else if (dfAttributes & DF_FORMAT_35C) {
910 unsigned int i;
911 for (i = 0; i < insn.vA; i++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700912 if (i != 0) str.append(",");
913 str.append(StringPrintf(" v%d", insn.arg[i]));
buzbee67bf8852011-08-17 17:51:35 -0700914 }
Bill Buzbeea114add2012-05-03 15:00:40 -0700915 }
916 else if (dfAttributes & DF_FORMAT_3RC) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700917 str.append(StringPrintf(" v%d..v%d", insn.vC, insn.vC + insn.vA - 1));
Bill Buzbeea114add2012-05-03 15:00:40 -0700918 } else {
919 if (dfAttributes & DF_A_IS_REG) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700920 str.append(StringPrintf(" v%d", insn.vA));
buzbee67bf8852011-08-17 17:51:35 -0700921 }
Bill Buzbeea114add2012-05-03 15:00:40 -0700922 if (dfAttributes & DF_B_IS_REG) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700923 str.append(StringPrintf(", v%d", insn.vB));
buzbeecbd6d442012-11-17 14:11:25 -0800924 } else if (static_cast<int>(opcode) < static_cast<int>(kMirOpFirst)) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700925 str.append(StringPrintf(", (#%d)", insn.vB));
Bill Buzbeea114add2012-05-03 15:00:40 -0700926 }
927 if (dfAttributes & DF_C_IS_REG) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700928 str.append(StringPrintf(", v%d", insn.vC));
buzbeecbd6d442012-11-17 14:11:25 -0800929 } else if (static_cast<int>(opcode) < static_cast<int>(kMirOpFirst)) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700930 str.append(StringPrintf(", (#%d)", insn.vC));
Bill Buzbeea114add2012-05-03 15:00:40 -0700931 }
932 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700933 int length = str.length() + 1;
buzbee52a77fc2012-11-20 19:50:46 -0800934 ret = static_cast<char*>(NewMem(cUnit, length, false, kAllocDFInfo));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700935 strncpy(ret, str.c_str(), length);
Bill Buzbeea114add2012-05-03 15:00:40 -0700936 return ret;
buzbee67bf8852011-08-17 17:51:35 -0700937}
938
buzbee52a77fc2012-11-20 19:50:46 -0800939static std::string GetSSAName(const CompilationUnit* cUnit, int ssaReg)
buzbee67bf8852011-08-17 17:51:35 -0700940{
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700941 return StringPrintf("v%d_%d", SRegToVReg(cUnit, ssaReg),
942 SRegToSubscript(cUnit, ssaReg));
buzbee67bf8852011-08-17 17:51:35 -0700943}
944
945/*
946 * Dalvik instruction disassembler with optional SSA printing.
947 */
buzbee52a77fc2012-11-20 19:50:46 -0800948char* FullDisassembler(CompilationUnit* cUnit, const MIR* mir)
buzbee67bf8852011-08-17 17:51:35 -0700949{
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700950 std::string str;
Bill Buzbeea114add2012-05-03 15:00:40 -0700951 const DecodedInstruction* insn = &mir->dalvikInsn;
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700952 int opcode = insn->opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -0700953 int dfAttributes = oatDataFlowAttributes[opcode];
954 char* ret;
955 int length;
buzbee67bf8852011-08-17 17:51:35 -0700956
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700957 if (opcode >= kMirOpFirst) {
958 if (opcode == kMirOpPhi) {
buzbeecbd6d442012-11-17 14:11:25 -0800959 int* incoming = reinterpret_cast<int*>(mir->dalvikInsn.vB);
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700960 str.append(StringPrintf("PHI %s = (%s",
buzbee52a77fc2012-11-20 19:50:46 -0800961 GetSSAName(cUnit, mir->ssaRep->defs[0]).c_str(),
962 GetSSAName(cUnit, mir->ssaRep->uses[0]).c_str()));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700963 str.append(StringPrintf(":%d",incoming[0]));
Bill Buzbeea114add2012-05-03 15:00:40 -0700964 int i;
965 for (i = 1; i < mir->ssaRep->numUses; i++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700966 str.append(StringPrintf(", %s:%d",
buzbee52a77fc2012-11-20 19:50:46 -0800967 GetSSAName(cUnit, mir->ssaRep->uses[i]).c_str(),
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700968 incoming[i]));
Bill Buzbeea114add2012-05-03 15:00:40 -0700969 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700970 str.append(")");
971 } else if (opcode == kMirOpCheck) {
972 str.append("Check ");
973 str.append(Instruction::Name(mir->meta.throwInsn->dalvikInsn.opcode));
974 } else if (opcode == kMirOpNop) {
975 str.append("MirNop");
buzbee67bf8852011-08-17 17:51:35 -0700976 } else {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700977 str.append(StringPrintf("Opcode %#x", opcode));
buzbee67bf8852011-08-17 17:51:35 -0700978 }
Bill Buzbeea114add2012-05-03 15:00:40 -0700979 goto done;
980 } else {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700981 str.append(Instruction::Name(insn->opcode));
Bill Buzbeea114add2012-05-03 15:00:40 -0700982 }
buzbee67bf8852011-08-17 17:51:35 -0700983
Bill Buzbeea114add2012-05-03 15:00:40 -0700984 /* For branches, decode the instructions to print out the branch targets */
Ian Rogersa75a0132012-09-28 11:41:42 -0700985 if (Instruction::FlagsOf(insn->opcode) & Instruction::kBranch) {
Bill Buzbeea114add2012-05-03 15:00:40 -0700986 Instruction::Format dalvikFormat = Instruction::FormatOf(insn->opcode);
987 int delta = 0;
988 switch (dalvikFormat) {
989 case Instruction::k21t:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700990 str.append(StringPrintf(" %s, ",
buzbee52a77fc2012-11-20 19:50:46 -0800991 GetSSAName(cUnit, mir->ssaRep->uses[0]).c_str()));
buzbeecbd6d442012-11-17 14:11:25 -0800992 delta = insn->vB;
Bill Buzbeea114add2012-05-03 15:00:40 -0700993 break;
994 case Instruction::k22t:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700995 str.append(StringPrintf(" %s, %s, ",
buzbee52a77fc2012-11-20 19:50:46 -0800996 GetSSAName(cUnit, mir->ssaRep->uses[0]).c_str(),
997 GetSSAName(cUnit, mir->ssaRep->uses[1]).c_str()));
buzbeecbd6d442012-11-17 14:11:25 -0800998 delta = insn->vC;
Bill Buzbeea114add2012-05-03 15:00:40 -0700999 break;
1000 case Instruction::k10t:
1001 case Instruction::k20t:
1002 case Instruction::k30t:
buzbeecbd6d442012-11-17 14:11:25 -08001003 delta = insn->vA;
Bill Buzbeea114add2012-05-03 15:00:40 -07001004 break;
1005 default:
buzbeecbd6d442012-11-17 14:11:25 -08001006 LOG(FATAL) << "Unexpected branch format: " << dalvikFormat;
Bill Buzbeea114add2012-05-03 15:00:40 -07001007 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001008 str.append(StringPrintf(" %04x", mir->offset + delta));
Bill Buzbeea114add2012-05-03 15:00:40 -07001009 } else if (dfAttributes & (DF_FORMAT_35C | DF_FORMAT_3RC)) {
1010 unsigned int i;
1011 for (i = 0; i < insn->vA; i++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001012 if (i != 0) str.append(",");
1013 str.append(" ");
buzbee52a77fc2012-11-20 19:50:46 -08001014 str.append(GetSSAName(cUnit, mir->ssaRep->uses[i]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001015 }
1016 } else {
1017 int udIdx;
1018 if (mir->ssaRep->numDefs) {
1019
1020 for (udIdx = 0; udIdx < mir->ssaRep->numDefs; udIdx++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001021 str.append(" ");
buzbee52a77fc2012-11-20 19:50:46 -08001022 str.append(GetSSAName(cUnit, mir->ssaRep->defs[udIdx]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001023 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001024 str.append(",");
Bill Buzbeea114add2012-05-03 15:00:40 -07001025 }
1026 if (mir->ssaRep->numUses) {
1027 /* No leading ',' for the first use */
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001028 str.append(" ");
buzbee52a77fc2012-11-20 19:50:46 -08001029 str.append(GetSSAName(cUnit, mir->ssaRep->uses[0]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001030 for (udIdx = 1; udIdx < mir->ssaRep->numUses; udIdx++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001031 str.append(", ");
buzbee52a77fc2012-11-20 19:50:46 -08001032 str.append(GetSSAName(cUnit, mir->ssaRep->uses[udIdx]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001033 }
1034 }
1035 if (static_cast<int>(opcode) < static_cast<int>(kMirOpFirst)) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001036 Instruction::Format dalvikFormat = Instruction::FormatOf(insn->opcode);
buzbee67bf8852011-08-17 17:51:35 -07001037 switch (dalvikFormat) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001038 case Instruction::k11n: // op vA, #+B
1039 case Instruction::k21s: // op vAA, #+BBBB
1040 case Instruction::k21h: // op vAA, #+BBBB00000[00000000]
1041 case Instruction::k31i: // op vAA, #+BBBBBBBB
1042 case Instruction::k51l: // op vAA, #+BBBBBBBBBBBBBBBB
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001043 str.append(StringPrintf(" #%#x", insn->vB));
Bill Buzbeea114add2012-05-03 15:00:40 -07001044 break;
1045 case Instruction::k21c: // op vAA, thing@BBBB
1046 case Instruction::k31c: // op vAA, thing@BBBBBBBB
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001047 str.append(StringPrintf(" @%#x", insn->vB));
Bill Buzbeea114add2012-05-03 15:00:40 -07001048 break;
1049 case Instruction::k22b: // op vAA, vBB, #+CC
1050 case Instruction::k22s: // op vA, vB, #+CCCC
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001051 str.append(StringPrintf(" #%#x", insn->vC));
Bill Buzbeea114add2012-05-03 15:00:40 -07001052 break;
1053 case Instruction::k22c: // op vA, vB, thing@CCCC
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001054 str.append(StringPrintf(" @%#x", insn->vC));
Bill Buzbeea114add2012-05-03 15:00:40 -07001055 break;
1056 /* No need for special printing */
1057 default:
1058 break;
buzbee67bf8852011-08-17 17:51:35 -07001059 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001060 }
1061 }
buzbee67bf8852011-08-17 17:51:35 -07001062
1063done:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001064 length = str.length() + 1;
buzbee52a77fc2012-11-20 19:50:46 -08001065 ret = static_cast<char*>(NewMem(cUnit, length, false, kAllocDFInfo));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001066 strncpy(ret, str.c_str(), length);
Bill Buzbeea114add2012-05-03 15:00:40 -07001067 return ret;
buzbee67bf8852011-08-17 17:51:35 -07001068}
1069
buzbee52a77fc2012-11-20 19:50:46 -08001070char* GetSSAString(CompilationUnit* cUnit, SSARepresentation* ssaRep)
buzbee67bf8852011-08-17 17:51:35 -07001071{
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001072 std::string str;
Bill Buzbeea114add2012-05-03 15:00:40 -07001073 char* ret;
1074 int i;
buzbee67bf8852011-08-17 17:51:35 -07001075
Bill Buzbeea114add2012-05-03 15:00:40 -07001076 for (i = 0; i < ssaRep->numDefs; i++) {
1077 int ssaReg = ssaRep->defs[i];
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001078 str.append(StringPrintf("s%d(v%d_%d) ", ssaReg,
1079 SRegToVReg(cUnit, ssaReg),
1080 SRegToSubscript(cUnit, ssaReg)));
Bill Buzbeea114add2012-05-03 15:00:40 -07001081 }
1082
1083 if (ssaRep->numDefs) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001084 str.append("<- ");
Bill Buzbeea114add2012-05-03 15:00:40 -07001085 }
1086
1087 for (i = 0; i < ssaRep->numUses; i++) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001088 int ssaReg = ssaRep->uses[i];
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001089 str.append(StringPrintf("s%d(v%d_%d) ", ssaReg, SRegToVReg(cUnit, ssaReg),
1090 SRegToSubscript(cUnit, ssaReg)));
Bill Buzbeea114add2012-05-03 15:00:40 -07001091 }
buzbee67bf8852011-08-17 17:51:35 -07001092
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001093 int length = str.length() + 1;
buzbee52a77fc2012-11-20 19:50:46 -08001094 ret = static_cast<char*>(NewMem(cUnit, length, false, kAllocDFInfo));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001095 strncpy(ret, str.c_str(), length);
Bill Buzbeea114add2012-05-03 15:00:40 -07001096 return ret;
buzbee67bf8852011-08-17 17:51:35 -07001097}
1098
1099/* Any register that is used before being defined is considered live-in */
buzbeeaad94382012-11-21 07:40:50 -08001100static void HandleLiveInUse(CompilationUnit* cUnit, ArenaBitVector* useV, ArenaBitVector* defV,
1101 ArenaBitVector* liveInV, int dalvikRegId)
buzbee67bf8852011-08-17 17:51:35 -07001102{
buzbee52a77fc2012-11-20 19:50:46 -08001103 SetBit(cUnit, useV, dalvikRegId);
1104 if (!IsBitSet(defV, dalvikRegId)) {
1105 SetBit(cUnit, liveInV, dalvikRegId);
Bill Buzbeea114add2012-05-03 15:00:40 -07001106 }
buzbee67bf8852011-08-17 17:51:35 -07001107}
1108
1109/* Mark a reg as being defined */
buzbeeaad94382012-11-21 07:40:50 -08001110static void HandleDef(CompilationUnit* cUnit, ArenaBitVector* defV, int dalvikRegId)
buzbee67bf8852011-08-17 17:51:35 -07001111{
buzbee52a77fc2012-11-20 19:50:46 -08001112 SetBit(cUnit, defV, dalvikRegId);
buzbee67bf8852011-08-17 17:51:35 -07001113}
1114
1115/*
1116 * Find out live-in variables for natural loops. Variables that are live-in in
1117 * the main loop body are considered to be defined in the entry block.
1118 */
buzbee52a77fc2012-11-20 19:50:46 -08001119bool FindLocalLiveIn(CompilationUnit* cUnit, BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001120{
Bill Buzbeea114add2012-05-03 15:00:40 -07001121 MIR* mir;
1122 ArenaBitVector *useV, *defV, *liveInV;
buzbee67bf8852011-08-17 17:51:35 -07001123
Bill Buzbeea114add2012-05-03 15:00:40 -07001124 if (bb->dataFlowInfo == NULL) return false;
buzbee67bf8852011-08-17 17:51:35 -07001125
Bill Buzbeea114add2012-05-03 15:00:40 -07001126 useV = bb->dataFlowInfo->useV =
buzbee52a77fc2012-11-20 19:50:46 -08001127 AllocBitVector(cUnit, cUnit->numDalvikRegisters, false, kBitMapUse);
Bill Buzbeea114add2012-05-03 15:00:40 -07001128 defV = bb->dataFlowInfo->defV =
buzbee52a77fc2012-11-20 19:50:46 -08001129 AllocBitVector(cUnit, cUnit->numDalvikRegisters, false, kBitMapDef);
Bill Buzbeea114add2012-05-03 15:00:40 -07001130 liveInV = bb->dataFlowInfo->liveInV =
buzbee52a77fc2012-11-20 19:50:46 -08001131 AllocBitVector(cUnit, cUnit->numDalvikRegisters, false,
Bill Buzbeea114add2012-05-03 15:00:40 -07001132 kBitMapLiveIn);
buzbee67bf8852011-08-17 17:51:35 -07001133
Bill Buzbeea114add2012-05-03 15:00:40 -07001134 for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
1135 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
1136 DecodedInstruction *dInsn = &mir->dalvikInsn;
buzbee67bf8852011-08-17 17:51:35 -07001137
Bill Buzbeea114add2012-05-03 15:00:40 -07001138 if (dfAttributes & DF_HAS_USES) {
1139 if (dfAttributes & DF_UA) {
buzbee52a77fc2012-11-20 19:50:46 -08001140 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vA);
buzbeebff24652012-05-06 16:22:05 -07001141 if (dfAttributes & DF_A_WIDE) {
buzbee52a77fc2012-11-20 19:50:46 -08001142 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vA+1);
buzbeebff24652012-05-06 16:22:05 -07001143 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001144 }
1145 if (dfAttributes & DF_UB) {
buzbee52a77fc2012-11-20 19:50:46 -08001146 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vB);
buzbeebff24652012-05-06 16:22:05 -07001147 if (dfAttributes & DF_B_WIDE) {
buzbee52a77fc2012-11-20 19:50:46 -08001148 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vB+1);
buzbeebff24652012-05-06 16:22:05 -07001149 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001150 }
1151 if (dfAttributes & DF_UC) {
buzbee52a77fc2012-11-20 19:50:46 -08001152 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vC);
buzbeebff24652012-05-06 16:22:05 -07001153 if (dfAttributes & DF_C_WIDE) {
buzbee52a77fc2012-11-20 19:50:46 -08001154 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vC+1);
buzbeebff24652012-05-06 16:22:05 -07001155 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001156 }
buzbee67bf8852011-08-17 17:51:35 -07001157 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001158 if (dfAttributes & DF_FORMAT_35C) {
1159 for (unsigned int i = 0; i < dInsn->vA; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001160 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->arg[i]);
Bill Buzbeea114add2012-05-03 15:00:40 -07001161 }
1162 }
1163 if (dfAttributes & DF_FORMAT_3RC) {
1164 for (unsigned int i = 0; i < dInsn->vA; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001165 HandleLiveInUse(cUnit, useV, defV, liveInV, dInsn->vC+i);
Bill Buzbeea114add2012-05-03 15:00:40 -07001166 }
1167 }
1168 if (dfAttributes & DF_HAS_DEFS) {
buzbee52a77fc2012-11-20 19:50:46 -08001169 HandleDef(cUnit, defV, dInsn->vA);
buzbeebff24652012-05-06 16:22:05 -07001170 if (dfAttributes & DF_A_WIDE) {
buzbee52a77fc2012-11-20 19:50:46 -08001171 HandleDef(cUnit, defV, dInsn->vA+1);
Bill Buzbeea114add2012-05-03 15:00:40 -07001172 }
1173 }
1174 }
1175 return true;
buzbee67bf8852011-08-17 17:51:35 -07001176}
1177
buzbee52a77fc2012-11-20 19:50:46 -08001178static int AddNewSReg(CompilationUnit* cUnit, int vReg)
buzbeee1965672012-03-11 18:39:19 -07001179{
Bill Buzbeea114add2012-05-03 15:00:40 -07001180 // Compiler temps always have a subscript of 0
1181 int subscript = (vReg < 0) ? 0 : ++cUnit->SSALastDefs[vReg];
1182 int ssaReg = cUnit->numSSARegs++;
buzbee52a77fc2012-11-20 19:50:46 -08001183 InsertGrowableList(cUnit, cUnit->ssaBaseVRegs, vReg);
1184 InsertGrowableList(cUnit, cUnit->ssaSubscripts, subscript);
1185 std::string ssaName = GetSSAName(cUnit, ssaReg);
1186 char* name = static_cast<char*>(NewMem(cUnit, ssaName.length() + 1, false, kAllocDFInfo));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001187 strncpy(name, ssaName.c_str(), ssaName.length() + 1);
buzbee52a77fc2012-11-20 19:50:46 -08001188 InsertGrowableList(cUnit, cUnit->ssaStrings, reinterpret_cast<uintptr_t>(name));
Bill Buzbeea114add2012-05-03 15:00:40 -07001189 DCHECK_EQ(cUnit->ssaBaseVRegs->numUsed, cUnit->ssaSubscripts->numUsed);
1190 return ssaReg;
buzbeee1965672012-03-11 18:39:19 -07001191}
1192
buzbee67bf8852011-08-17 17:51:35 -07001193/* Find out the latest SSA register for a given Dalvik register */
buzbee52a77fc2012-11-20 19:50:46 -08001194static void HandleSSAUse(CompilationUnit* cUnit, int* uses, int dalvikReg, int regIndex)
buzbee67bf8852011-08-17 17:51:35 -07001195{
Bill Buzbeea114add2012-05-03 15:00:40 -07001196 DCHECK((dalvikReg >= 0) && (dalvikReg < cUnit->numDalvikRegisters));
1197 uses[regIndex] = cUnit->vRegToSSAMap[dalvikReg];
buzbee67bf8852011-08-17 17:51:35 -07001198}
1199
1200/* Setup a new SSA register for a given Dalvik register */
buzbee52a77fc2012-11-20 19:50:46 -08001201static void HandleSSADef(CompilationUnit* cUnit, int* defs, int dalvikReg, int regIndex)
buzbee67bf8852011-08-17 17:51:35 -07001202{
Bill Buzbeea114add2012-05-03 15:00:40 -07001203 DCHECK((dalvikReg >= 0) && (dalvikReg < cUnit->numDalvikRegisters));
buzbee52a77fc2012-11-20 19:50:46 -08001204 int ssaReg = AddNewSReg(cUnit, dalvikReg);
Bill Buzbeea114add2012-05-03 15:00:40 -07001205 cUnit->vRegToSSAMap[dalvikReg] = ssaReg;
1206 defs[regIndex] = ssaReg;
buzbee67bf8852011-08-17 17:51:35 -07001207}
1208
buzbeeec5adf32011-09-11 15:25:43 -07001209/* Look up new SSA names for format_35c instructions */
buzbee52a77fc2012-11-20 19:50:46 -08001210static void DataFlowSSAFormat35C(CompilationUnit* cUnit, MIR* mir)
buzbee67bf8852011-08-17 17:51:35 -07001211{
Bill Buzbeea114add2012-05-03 15:00:40 -07001212 DecodedInstruction *dInsn = &mir->dalvikInsn;
1213 int numUses = dInsn->vA;
1214 int i;
buzbee67bf8852011-08-17 17:51:35 -07001215
Bill Buzbeea114add2012-05-03 15:00:40 -07001216 mir->ssaRep->numUses = numUses;
buzbee52a77fc2012-11-20 19:50:46 -08001217 mir->ssaRep->uses = static_cast<int*>(NewMem(cUnit, sizeof(int) * numUses, true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001218 // NOTE: will be filled in during type & size inference pass
buzbee52a77fc2012-11-20 19:50:46 -08001219 mir->ssaRep->fpUse = static_cast<bool*>(NewMem(cUnit, sizeof(bool) * numUses, true,
buzbeecbd6d442012-11-17 14:11:25 -08001220 kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001221
Bill Buzbeea114add2012-05-03 15:00:40 -07001222 for (i = 0; i < numUses; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001223 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->arg[i], i);
Bill Buzbeea114add2012-05-03 15:00:40 -07001224 }
buzbee67bf8852011-08-17 17:51:35 -07001225}
1226
buzbeeec5adf32011-09-11 15:25:43 -07001227/* Look up new SSA names for format_3rc instructions */
buzbee52a77fc2012-11-20 19:50:46 -08001228static void DataFlowSSAFormat3RC(CompilationUnit* cUnit, MIR* mir)
buzbee67bf8852011-08-17 17:51:35 -07001229{
Bill Buzbeea114add2012-05-03 15:00:40 -07001230 DecodedInstruction *dInsn = &mir->dalvikInsn;
1231 int numUses = dInsn->vA;
1232 int i;
buzbee67bf8852011-08-17 17:51:35 -07001233
Bill Buzbeea114add2012-05-03 15:00:40 -07001234 mir->ssaRep->numUses = numUses;
buzbee52a77fc2012-11-20 19:50:46 -08001235 mir->ssaRep->uses = static_cast<int*>(NewMem(cUnit, sizeof(int) * numUses, true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001236 // NOTE: will be filled in during type & size inference pass
buzbee52a77fc2012-11-20 19:50:46 -08001237 mir->ssaRep->fpUse = static_cast<bool*>(NewMem(cUnit, sizeof(bool) * numUses, true,
buzbeecbd6d442012-11-17 14:11:25 -08001238 kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001239
Bill Buzbeea114add2012-05-03 15:00:40 -07001240 for (i = 0; i < numUses; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001241 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC+i, i);
Bill Buzbeea114add2012-05-03 15:00:40 -07001242 }
buzbee67bf8852011-08-17 17:51:35 -07001243}
1244
1245/* Entry function to convert a block into SSA representation */
buzbee52a77fc2012-11-20 19:50:46 -08001246bool DoSSAConversion(CompilationUnit* cUnit, BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001247{
Bill Buzbeea114add2012-05-03 15:00:40 -07001248 MIR* mir;
buzbee67bf8852011-08-17 17:51:35 -07001249
Bill Buzbeea114add2012-05-03 15:00:40 -07001250 if (bb->dataFlowInfo == NULL) return false;
buzbee67bf8852011-08-17 17:51:35 -07001251
Bill Buzbeea114add2012-05-03 15:00:40 -07001252 for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
buzbee52a77fc2012-11-20 19:50:46 -08001253 mir->ssaRep = static_cast<struct SSARepresentation *>(NewMem(cUnit, sizeof(SSARepresentation),
buzbeecbd6d442012-11-17 14:11:25 -08001254 true, kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001255
Bill Buzbeea114add2012-05-03 15:00:40 -07001256 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
buzbee67bf8852011-08-17 17:51:35 -07001257
Bill Buzbeea114add2012-05-03 15:00:40 -07001258 // If not a pseudo-op, note non-leaf or can throw
1259 if (static_cast<int>(mir->dalvikInsn.opcode) <
1260 static_cast<int>(kNumPackedOpcodes)) {
Ian Rogersa75a0132012-09-28 11:41:42 -07001261 int flags = Instruction::FlagsOf(mir->dalvikInsn.opcode);
buzbeecefd1872011-09-09 09:59:52 -07001262
Bill Buzbeea114add2012-05-03 15:00:40 -07001263 if (flags & Instruction::kThrow) {
1264 cUnit->attrs &= ~METHOD_IS_THROW_FREE;
1265 }
buzbeecefd1872011-09-09 09:59:52 -07001266
Bill Buzbeea114add2012-05-03 15:00:40 -07001267 if (flags & Instruction::kInvoke) {
1268 cUnit->attrs &= ~METHOD_IS_LEAF;
1269 }
buzbee67bf8852011-08-17 17:51:35 -07001270 }
1271
Bill Buzbeea114add2012-05-03 15:00:40 -07001272 int numUses = 0;
buzbee67bf8852011-08-17 17:51:35 -07001273
Bill Buzbeea114add2012-05-03 15:00:40 -07001274 if (dfAttributes & DF_FORMAT_35C) {
buzbee52a77fc2012-11-20 19:50:46 -08001275 DataFlowSSAFormat35C(cUnit, mir);
Bill Buzbeea114add2012-05-03 15:00:40 -07001276 continue;
buzbee5abfa3e2012-01-31 17:01:43 -08001277 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001278
1279 if (dfAttributes & DF_FORMAT_3RC) {
buzbee52a77fc2012-11-20 19:50:46 -08001280 DataFlowSSAFormat3RC(cUnit, mir);
Bill Buzbeea114add2012-05-03 15:00:40 -07001281 continue;
1282 }
1283
1284 if (dfAttributes & DF_HAS_USES) {
1285 if (dfAttributes & DF_UA) {
1286 numUses++;
buzbeebff24652012-05-06 16:22:05 -07001287 if (dfAttributes & DF_A_WIDE) {
1288 numUses ++;
1289 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001290 }
1291 if (dfAttributes & DF_UB) {
1292 numUses++;
buzbeebff24652012-05-06 16:22:05 -07001293 if (dfAttributes & DF_B_WIDE) {
1294 numUses ++;
1295 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001296 }
1297 if (dfAttributes & DF_UC) {
1298 numUses++;
buzbeebff24652012-05-06 16:22:05 -07001299 if (dfAttributes & DF_C_WIDE) {
1300 numUses ++;
1301 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001302 }
1303 }
1304
1305 if (numUses) {
1306 mir->ssaRep->numUses = numUses;
buzbee52a77fc2012-11-20 19:50:46 -08001307 mir->ssaRep->uses = static_cast<int*>(NewMem(cUnit, sizeof(int) * numUses, false,
buzbeecbd6d442012-11-17 14:11:25 -08001308 kAllocDFInfo));
buzbee52a77fc2012-11-20 19:50:46 -08001309 mir->ssaRep->fpUse = static_cast<bool*>(NewMem(cUnit, sizeof(bool) * numUses, false,
buzbeecbd6d442012-11-17 14:11:25 -08001310 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001311 }
1312
1313 int numDefs = 0;
1314
1315 if (dfAttributes & DF_HAS_DEFS) {
1316 numDefs++;
buzbeebff24652012-05-06 16:22:05 -07001317 if (dfAttributes & DF_A_WIDE) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001318 numDefs++;
1319 }
1320 }
1321
1322 if (numDefs) {
1323 mir->ssaRep->numDefs = numDefs;
buzbee52a77fc2012-11-20 19:50:46 -08001324 mir->ssaRep->defs = static_cast<int*>(NewMem(cUnit, sizeof(int) * numDefs, false,
buzbeecbd6d442012-11-17 14:11:25 -08001325 kAllocDFInfo));
buzbee52a77fc2012-11-20 19:50:46 -08001326 mir->ssaRep->fpDef = static_cast<bool*>(NewMem(cUnit, sizeof(bool) * numDefs, false,
buzbeecbd6d442012-11-17 14:11:25 -08001327 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001328 }
1329
1330 DecodedInstruction *dInsn = &mir->dalvikInsn;
1331
1332 if (dfAttributes & DF_HAS_USES) {
1333 numUses = 0;
1334 if (dfAttributes & DF_UA) {
1335 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_A;
buzbee52a77fc2012-11-20 19:50:46 -08001336 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vA, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001337 if (dfAttributes & DF_A_WIDE) {
1338 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_A;
buzbee52a77fc2012-11-20 19:50:46 -08001339 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vA+1, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001340 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001341 }
1342 if (dfAttributes & DF_UB) {
1343 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_B;
buzbee52a77fc2012-11-20 19:50:46 -08001344 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vB, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001345 if (dfAttributes & DF_B_WIDE) {
1346 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_B;
buzbee52a77fc2012-11-20 19:50:46 -08001347 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vB+1, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001348 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001349 }
1350 if (dfAttributes & DF_UC) {
1351 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_C;
buzbee52a77fc2012-11-20 19:50:46 -08001352 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001353 if (dfAttributes & DF_C_WIDE) {
1354 mir->ssaRep->fpUse[numUses] = dfAttributes & DF_FP_C;
buzbee52a77fc2012-11-20 19:50:46 -08001355 HandleSSAUse(cUnit, mir->ssaRep->uses, dInsn->vC+1, numUses++);
buzbeebff24652012-05-06 16:22:05 -07001356 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001357 }
1358 }
1359 if (dfAttributes & DF_HAS_DEFS) {
1360 mir->ssaRep->fpDef[0] = dfAttributes & DF_FP_A;
buzbee52a77fc2012-11-20 19:50:46 -08001361 HandleSSADef(cUnit, mir->ssaRep->defs, dInsn->vA, 0);
buzbeebff24652012-05-06 16:22:05 -07001362 if (dfAttributes & DF_A_WIDE) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001363 mir->ssaRep->fpDef[1] = dfAttributes & DF_FP_A;
buzbee52a77fc2012-11-20 19:50:46 -08001364 HandleSSADef(cUnit, mir->ssaRep->defs, dInsn->vA+1, 1);
Bill Buzbeea114add2012-05-03 15:00:40 -07001365 }
1366 }
1367 }
1368
1369 if (!cUnit->disableDataflow) {
1370 /*
1371 * Take a snapshot of Dalvik->SSA mapping at the end of each block. The
1372 * input to PHI nodes can be derived from the snapshot of all
1373 * predecessor blocks.
1374 */
1375 bb->dataFlowInfo->vRegToSSAMap =
buzbee52a77fc2012-11-20 19:50:46 -08001376 static_cast<int*>(NewMem(cUnit, sizeof(int) * cUnit->numDalvikRegisters, false,
buzbeecbd6d442012-11-17 14:11:25 -08001377 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001378
1379 memcpy(bb->dataFlowInfo->vRegToSSAMap, cUnit->vRegToSSAMap,
1380 sizeof(int) * cUnit->numDalvikRegisters);
1381 }
1382 return true;
buzbee67bf8852011-08-17 17:51:35 -07001383}
1384
1385/* Setup a constant value for opcodes thare have the DF_SETS_CONST attribute */
buzbee52a77fc2012-11-20 19:50:46 -08001386static void SetConstant(CompilationUnit* cUnit, int ssaReg, int value)
buzbee67bf8852011-08-17 17:51:35 -07001387{
buzbee52a77fc2012-11-20 19:50:46 -08001388 SetBit(cUnit, cUnit->isConstantV, ssaReg);
Bill Buzbeea114add2012-05-03 15:00:40 -07001389 cUnit->constantValues[ssaReg] = value;
buzbee67bf8852011-08-17 17:51:35 -07001390}
1391
buzbee52a77fc2012-11-20 19:50:46 -08001392bool DoConstantPropogation(CompilationUnit* cUnit, BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001393{
Bill Buzbeea114add2012-05-03 15:00:40 -07001394 MIR* mir;
1395 ArenaBitVector *isConstantV = cUnit->isConstantV;
buzbee67bf8852011-08-17 17:51:35 -07001396
Bill Buzbeea114add2012-05-03 15:00:40 -07001397 for (mir = bb->firstMIRInsn; mir; mir = mir->next) {
1398 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
buzbee67bf8852011-08-17 17:51:35 -07001399
Bill Buzbeea114add2012-05-03 15:00:40 -07001400 DecodedInstruction *dInsn = &mir->dalvikInsn;
buzbee67bf8852011-08-17 17:51:35 -07001401
Bill Buzbeea114add2012-05-03 15:00:40 -07001402 if (!(dfAttributes & DF_HAS_DEFS)) continue;
buzbee67bf8852011-08-17 17:51:35 -07001403
Bill Buzbeea114add2012-05-03 15:00:40 -07001404 /* Handle instructions that set up constants directly */
1405 if (dfAttributes & DF_SETS_CONST) {
1406 if (dfAttributes & DF_DA) {
1407 switch (dInsn->opcode) {
1408 case Instruction::CONST_4:
1409 case Instruction::CONST_16:
1410 case Instruction::CONST:
buzbee52a77fc2012-11-20 19:50:46 -08001411 SetConstant(cUnit, mir->ssaRep->defs[0], dInsn->vB);
Bill Buzbeea114add2012-05-03 15:00:40 -07001412 break;
1413 case Instruction::CONST_HIGH16:
buzbee52a77fc2012-11-20 19:50:46 -08001414 SetConstant(cUnit, mir->ssaRep->defs[0], dInsn->vB << 16);
Bill Buzbeea114add2012-05-03 15:00:40 -07001415 break;
buzbeebff24652012-05-06 16:22:05 -07001416 case Instruction::CONST_WIDE_16:
1417 case Instruction::CONST_WIDE_32:
buzbee52a77fc2012-11-20 19:50:46 -08001418 SetConstant(cUnit, mir->ssaRep->defs[0], dInsn->vB);
1419 SetConstant(cUnit, mir->ssaRep->defs[1], 0);
buzbeebff24652012-05-06 16:22:05 -07001420 break;
1421 case Instruction::CONST_WIDE:
buzbee52a77fc2012-11-20 19:50:46 -08001422 SetConstant(cUnit, mir->ssaRep->defs[0], static_cast<int>(dInsn->vB_wide));
1423 SetConstant(cUnit, mir->ssaRep->defs[1], static_cast<int>(dInsn->vB_wide >> 32));
buzbeebff24652012-05-06 16:22:05 -07001424 break;
1425 case Instruction::CONST_WIDE_HIGH16:
buzbee52a77fc2012-11-20 19:50:46 -08001426 SetConstant(cUnit, mir->ssaRep->defs[0], 0);
1427 SetConstant(cUnit, mir->ssaRep->defs[1], dInsn->vB << 16);
buzbeebff24652012-05-06 16:22:05 -07001428 break;
Bill Buzbeea114add2012-05-03 15:00:40 -07001429 default:
1430 break;
buzbeebff24652012-05-06 16:22:05 -07001431 }
buzbee2cfc6392012-05-07 14:51:40 -07001432 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001433 /* Handle instructions that set up constants directly */
buzbee2cfc6392012-05-07 14:51:40 -07001434 } else if (dfAttributes & DF_IS_MOVE) {
1435 int i;
buzbee67bf8852011-08-17 17:51:35 -07001436
buzbee2cfc6392012-05-07 14:51:40 -07001437 for (i = 0; i < mir->ssaRep->numUses; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001438 if (!IsBitSet(isConstantV, mir->ssaRep->uses[i])) break;
Bill Buzbeea114add2012-05-03 15:00:40 -07001439 }
1440 /* Move a register holding a constant to another register */
1441 if (i == mir->ssaRep->numUses) {
buzbee52a77fc2012-11-20 19:50:46 -08001442 SetConstant(cUnit, mir->ssaRep->defs[0],
Bill Buzbeea114add2012-05-03 15:00:40 -07001443 cUnit->constantValues[mir->ssaRep->uses[0]]);
buzbeebff24652012-05-06 16:22:05 -07001444 if (dfAttributes & DF_A_WIDE) {
buzbee52a77fc2012-11-20 19:50:46 -08001445 SetConstant(cUnit, mir->ssaRep->defs[1],
Bill Buzbeea114add2012-05-03 15:00:40 -07001446 cUnit->constantValues[mir->ssaRep->uses[1]]);
buzbee67bf8852011-08-17 17:51:35 -07001447 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001448 }
buzbee67bf8852011-08-17 17:51:35 -07001449 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001450 }
1451 /* TODO: implement code to handle arithmetic operations */
1452 return true;
buzbee67bf8852011-08-17 17:51:35 -07001453}
1454
1455/* Setup the basic data structures for SSA conversion */
buzbee52a77fc2012-11-20 19:50:46 -08001456void CompilerInitializeSSAConversion(CompilationUnit* cUnit)
buzbee67bf8852011-08-17 17:51:35 -07001457{
Bill Buzbeea114add2012-05-03 15:00:40 -07001458 int i;
1459 int numDalvikReg = cUnit->numDalvikRegisters;
buzbee67bf8852011-08-17 17:51:35 -07001460
buzbeecbd6d442012-11-17 14:11:25 -08001461 cUnit->ssaBaseVRegs =
buzbee52a77fc2012-11-20 19:50:46 -08001462 static_cast<GrowableList*>(NewMem(cUnit, sizeof(GrowableList), false, kAllocDFInfo));
buzbeecbd6d442012-11-17 14:11:25 -08001463 cUnit->ssaSubscripts =
buzbee52a77fc2012-11-20 19:50:46 -08001464 static_cast<GrowableList*>(NewMem(cUnit, sizeof(GrowableList), false, kAllocDFInfo));
buzbeecbd6d442012-11-17 14:11:25 -08001465 cUnit->ssaStrings =
buzbee52a77fc2012-11-20 19:50:46 -08001466 static_cast<GrowableList*>(NewMem(cUnit, sizeof(GrowableList), false, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001467 // Create the ssa mappings, estimating the max size
buzbee52a77fc2012-11-20 19:50:46 -08001468 CompilerInitGrowableList(cUnit, cUnit->ssaBaseVRegs,
Bill Buzbeea114add2012-05-03 15:00:40 -07001469 numDalvikReg + cUnit->defCount + 128,
1470 kListSSAtoDalvikMap);
buzbee52a77fc2012-11-20 19:50:46 -08001471 CompilerInitGrowableList(cUnit, cUnit->ssaSubscripts,
Bill Buzbeea114add2012-05-03 15:00:40 -07001472 numDalvikReg + cUnit->defCount + 128,
1473 kListSSAtoDalvikMap);
buzbee52a77fc2012-11-20 19:50:46 -08001474 CompilerInitGrowableList(cUnit, cUnit->ssaStrings,
buzbee2cfc6392012-05-07 14:51:40 -07001475 numDalvikReg + cUnit->defCount + 128,
1476 kListSSAtoDalvikMap);
Bill Buzbeea114add2012-05-03 15:00:40 -07001477 /*
1478 * Initial number of SSA registers is equal to the number of Dalvik
1479 * registers.
1480 */
1481 cUnit->numSSARegs = numDalvikReg;
buzbee67bf8852011-08-17 17:51:35 -07001482
Bill Buzbeea114add2012-05-03 15:00:40 -07001483 /*
1484 * Initialize the SSA2Dalvik map list. For the first numDalvikReg elements,
1485 * the subscript is 0 so we use the ENCODE_REG_SUB macro to encode the value
1486 * into "(0 << 16) | i"
1487 */
1488 for (i = 0; i < numDalvikReg; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08001489 InsertGrowableList(cUnit, cUnit->ssaBaseVRegs, i);
1490 InsertGrowableList(cUnit, cUnit->ssaSubscripts, 0);
1491 std::string ssaName = GetSSAName(cUnit, i);
1492 char* name = static_cast<char*>(NewMem(cUnit, ssaName.length() + 1, true, kAllocDFInfo));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001493 strncpy(name, ssaName.c_str(), ssaName.length() + 1);
buzbee52a77fc2012-11-20 19:50:46 -08001494 InsertGrowableList(cUnit, cUnit->ssaStrings, reinterpret_cast<uintptr_t>(name));
Bill Buzbeea114add2012-05-03 15:00:40 -07001495 }
buzbee67bf8852011-08-17 17:51:35 -07001496
Bill Buzbeea114add2012-05-03 15:00:40 -07001497 /*
1498 * Initialize the DalvikToSSAMap map. There is one entry for each
1499 * Dalvik register, and the SSA names for those are the same.
1500 */
buzbeecbd6d442012-11-17 14:11:25 -08001501 cUnit->vRegToSSAMap =
buzbee52a77fc2012-11-20 19:50:46 -08001502 static_cast<int*>(NewMem(cUnit, sizeof(int) * numDalvikReg, false, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001503 /* Keep track of the higest def for each dalvik reg */
buzbeecbd6d442012-11-17 14:11:25 -08001504 cUnit->SSALastDefs =
buzbee52a77fc2012-11-20 19:50:46 -08001505 static_cast<int*>(NewMem(cUnit, sizeof(int) * numDalvikReg, false, kAllocDFInfo));
buzbeef0cde542011-09-13 14:55:02 -07001506
Bill Buzbeea114add2012-05-03 15:00:40 -07001507 for (i = 0; i < numDalvikReg; i++) {
1508 cUnit->vRegToSSAMap[i] = i;
1509 cUnit->SSALastDefs[i] = 0;
1510 }
buzbee67bf8852011-08-17 17:51:35 -07001511
Bill Buzbeea114add2012-05-03 15:00:40 -07001512 /* Add ssa reg for Method* */
buzbee52a77fc2012-11-20 19:50:46 -08001513 cUnit->methodSReg = AddNewSReg(cUnit, SSA_METHOD_BASEREG);
buzbeee1965672012-03-11 18:39:19 -07001514
Bill Buzbeea114add2012-05-03 15:00:40 -07001515 /*
1516 * Allocate the BasicBlockDataFlow structure for the entry and code blocks
1517 */
1518 GrowableListIterator iterator;
buzbee67bf8852011-08-17 17:51:35 -07001519
buzbee52a77fc2012-11-20 19:50:46 -08001520 GrowableListIteratorInit(&cUnit->blockList, &iterator);
buzbee67bf8852011-08-17 17:51:35 -07001521
Bill Buzbeea114add2012-05-03 15:00:40 -07001522 while (true) {
buzbee52a77fc2012-11-20 19:50:46 -08001523 BasicBlock* bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iterator));
Bill Buzbeea114add2012-05-03 15:00:40 -07001524 if (bb == NULL) break;
1525 if (bb->hidden == true) continue;
1526 if (bb->blockType == kDalvikByteCode ||
1527 bb->blockType == kEntryBlock ||
1528 bb->blockType == kExitBlock) {
buzbee52a77fc2012-11-20 19:50:46 -08001529 bb->dataFlowInfo = static_cast<BasicBlockDataFlow*>(NewMem(cUnit, sizeof(BasicBlockDataFlow),
buzbeecbd6d442012-11-17 14:11:25 -08001530 true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001531 }
1532 }
buzbee67bf8852011-08-17 17:51:35 -07001533}
1534
1535/* Clear the visited flag for each BB */
buzbee52a77fc2012-11-20 19:50:46 -08001536bool ClearVisitedFlag(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001537{
Bill Buzbeea114add2012-05-03 15:00:40 -07001538 bb->visited = false;
1539 return true;
buzbee67bf8852011-08-17 17:51:35 -07001540}
1541
buzbee52a77fc2012-11-20 19:50:46 -08001542void DataFlowAnalysisDispatcher(CompilationUnit* cUnit,
Bill Buzbeea114add2012-05-03 15:00:40 -07001543 bool (*func)(CompilationUnit*, BasicBlock*),
1544 DataFlowAnalysisMode dfaMode,
1545 bool isIterative)
buzbee67bf8852011-08-17 17:51:35 -07001546{
Bill Buzbeea114add2012-05-03 15:00:40 -07001547 bool change = true;
buzbee67bf8852011-08-17 17:51:35 -07001548
Bill Buzbeea114add2012-05-03 15:00:40 -07001549 while (change) {
1550 change = false;
buzbee67bf8852011-08-17 17:51:35 -07001551
Bill Buzbeea114add2012-05-03 15:00:40 -07001552 switch (dfaMode) {
1553 /* Scan all blocks and perform the operations specified in func */
1554 case kAllNodes:
1555 {
1556 GrowableListIterator iterator;
buzbee52a77fc2012-11-20 19:50:46 -08001557 GrowableListIteratorInit(&cUnit->blockList, &iterator);
Bill Buzbeea114add2012-05-03 15:00:40 -07001558 while (true) {
buzbee52a77fc2012-11-20 19:50:46 -08001559 BasicBlock* bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iterator));
Bill Buzbeea114add2012-05-03 15:00:40 -07001560 if (bb == NULL) break;
1561 if (bb->hidden == true) continue;
1562 change |= (*func)(cUnit, bb);
1563 }
buzbee67bf8852011-08-17 17:51:35 -07001564 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001565 break;
1566 /* Scan reachable blocks and perform the ops specified in func. */
1567 case kReachableNodes:
1568 {
1569 int numReachableBlocks = cUnit->numReachableBlocks;
1570 int idx;
1571 const GrowableList *blockList = &cUnit->blockList;
1572
1573 for (idx = 0; idx < numReachableBlocks; idx++) {
1574 int blockIdx = cUnit->dfsOrder.elemList[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001575 BasicBlock* bb =
buzbee52a77fc2012-11-20 19:50:46 -08001576 reinterpret_cast<BasicBlock*>( GrowableListGetElement(blockList, blockIdx));
Bill Buzbeea114add2012-05-03 15:00:40 -07001577 change |= (*func)(cUnit, bb);
1578 }
1579 }
1580 break;
1581
1582 /* Scan reachable blocks by pre-order dfs and invoke func on each. */
1583 case kPreOrderDFSTraversal:
1584 {
1585 int numReachableBlocks = cUnit->numReachableBlocks;
1586 int idx;
1587 const GrowableList *blockList = &cUnit->blockList;
1588
1589 for (idx = 0; idx < numReachableBlocks; idx++) {
1590 int dfsIdx = cUnit->dfsOrder.elemList[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001591 BasicBlock* bb =
buzbee52a77fc2012-11-20 19:50:46 -08001592 reinterpret_cast<BasicBlock*>(GrowableListGetElement(blockList, dfsIdx));
Bill Buzbeea114add2012-05-03 15:00:40 -07001593 change |= (*func)(cUnit, bb);
1594 }
1595 }
1596 break;
1597 /* Scan reachable blocks post-order dfs and invoke func on each. */
1598 case kPostOrderDFSTraversal:
1599 {
1600 int numReachableBlocks = cUnit->numReachableBlocks;
1601 int idx;
1602 const GrowableList *blockList = &cUnit->blockList;
1603
1604 for (idx = numReachableBlocks - 1; idx >= 0; idx--) {
1605 int dfsIdx = cUnit->dfsOrder.elemList[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001606 BasicBlock* bb =
buzbee52a77fc2012-11-20 19:50:46 -08001607 reinterpret_cast<BasicBlock *>( GrowableListGetElement(blockList, dfsIdx));
Bill Buzbeea114add2012-05-03 15:00:40 -07001608 change |= (*func)(cUnit, bb);
1609 }
1610 }
1611 break;
1612 /* Scan reachable post-order dom tree and invoke func on each. */
1613 case kPostOrderDOMTraversal:
1614 {
1615 int numReachableBlocks = cUnit->numReachableBlocks;
1616 int idx;
1617 const GrowableList *blockList = &cUnit->blockList;
1618
1619 for (idx = 0; idx < numReachableBlocks; idx++) {
1620 int domIdx = cUnit->domPostOrderTraversal.elemList[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001621 BasicBlock* bb =
buzbee52a77fc2012-11-20 19:50:46 -08001622 reinterpret_cast<BasicBlock*>( GrowableListGetElement(blockList, domIdx));
Bill Buzbeea114add2012-05-03 15:00:40 -07001623 change |= (*func)(cUnit, bb);
1624 }
1625 }
1626 break;
1627 /* Scan reachable blocks reverse post-order dfs, invoke func on each */
1628 case kReversePostOrderTraversal:
1629 {
1630 int numReachableBlocks = cUnit->numReachableBlocks;
1631 int idx;
1632 const GrowableList *blockList = &cUnit->blockList;
1633
1634 for (idx = numReachableBlocks - 1; idx >= 0; idx--) {
1635 int revIdx = cUnit->dfsPostOrder.elemList[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001636 BasicBlock* bb =
buzbee52a77fc2012-11-20 19:50:46 -08001637 reinterpret_cast<BasicBlock*>(GrowableListGetElement(blockList, revIdx));
Bill Buzbeea114add2012-05-03 15:00:40 -07001638 change |= (*func)(cUnit, bb);
1639 }
1640 }
1641 break;
1642 default:
buzbeecbd6d442012-11-17 14:11:25 -08001643 LOG(FATAL) << "Unknown traversal mode: " << dfaMode;
buzbee67bf8852011-08-17 17:51:35 -07001644 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001645 /* If isIterative is false, exit the loop after the first iteration */
1646 change &= isIterative;
1647 }
buzbee67bf8852011-08-17 17:51:35 -07001648}
buzbee43a36422011-09-14 14:00:13 -07001649
buzbeee1965672012-03-11 18:39:19 -07001650/* Advance to next strictly dominated MIR node in an extended basic block */
buzbee52a77fc2012-11-20 19:50:46 -08001651static MIR* AdvanceMIR(CompilationUnit* cUnit, BasicBlock** pBb, MIR* mir,
1652 ArenaBitVector* bv, bool clearMark) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001653 BasicBlock* bb = *pBb;
1654 if (mir != NULL) {
1655 mir = mir->next;
1656 if (mir == NULL) {
1657 bb = bb->fallThrough;
1658 if ((bb == NULL) || bb->predecessors->numUsed != 1) {
1659 mir = NULL;
1660 } else {
1661 if (bv) {
buzbee52a77fc2012-11-20 19:50:46 -08001662 SetBit(cUnit, bv, bb->id);
buzbeee1965672012-03-11 18:39:19 -07001663 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001664 *pBb = bb;
1665 mir = bb->firstMIRInsn;
1666 }
buzbeee1965672012-03-11 18:39:19 -07001667 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001668 }
1669 if (mir && clearMark) {
1670 mir->optimizationFlags &= ~MIR_MARK;
1671 }
1672 return mir;
buzbeee1965672012-03-11 18:39:19 -07001673}
1674
buzbeefc9e6fa2012-03-23 15:14:29 -07001675/*
1676 * To be used at an invoke mir. If the logically next mir node represents
1677 * a move-result, return it. Else, return NULL. If a move-result exists,
1678 * it is required to immediately follow the invoke with no intervening
1679 * opcodes or incoming arcs. However, if the result of the invoke is not
1680 * used, a move-result may not be present.
1681 */
buzbee52a77fc2012-11-20 19:50:46 -08001682MIR* FindMoveResult(CompilationUnit* cUnit, BasicBlock* bb, MIR* mir)
buzbeefc9e6fa2012-03-23 15:14:29 -07001683{
Bill Buzbeea114add2012-05-03 15:00:40 -07001684 BasicBlock* tbb = bb;
buzbee52a77fc2012-11-20 19:50:46 -08001685 mir = AdvanceMIR(cUnit, &tbb, mir, NULL, false);
Bill Buzbeea114add2012-05-03 15:00:40 -07001686 while (mir != NULL) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001687 int opcode = mir->dalvikInsn.opcode;
buzbee15bf9802012-06-12 17:49:27 -07001688 if ((mir->dalvikInsn.opcode == Instruction::MOVE_RESULT) ||
buzbee52ed7762012-06-13 23:43:14 -07001689 (mir->dalvikInsn.opcode == Instruction::MOVE_RESULT_OBJECT) ||
buzbee15bf9802012-06-12 17:49:27 -07001690 (mir->dalvikInsn.opcode == Instruction::MOVE_RESULT_WIDE)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001691 break;
1692 }
1693 // Keep going if pseudo op, otherwise terminate
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001694 if (opcode < kNumPackedOpcodes) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001695 mir = NULL;
1696 } else {
buzbee52a77fc2012-11-20 19:50:46 -08001697 mir = AdvanceMIR(cUnit, &tbb, mir, NULL, false);
Bill Buzbeea114add2012-05-03 15:00:40 -07001698 }
1699 }
1700 return mir;
buzbeefc9e6fa2012-03-23 15:14:29 -07001701}
1702
buzbee52a77fc2012-11-20 19:50:46 -08001703static void SquashDupRangeChecks(CompilationUnit* cUnit, BasicBlock** pBp, MIR* mir,
1704 int arraySreg, int indexSreg)
buzbee239c4e72012-03-16 08:42:29 -07001705{
Bill Buzbeea114add2012-05-03 15:00:40 -07001706 while (true) {
buzbee52a77fc2012-11-20 19:50:46 -08001707 mir = AdvanceMIR(cUnit, pBp, mir, NULL, false);
Bill Buzbeea114add2012-05-03 15:00:40 -07001708 if (!mir) {
1709 break;
buzbee239c4e72012-03-16 08:42:29 -07001710 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001711 if ((mir->ssaRep == NULL) ||
1712 (mir->optimizationFlags & MIR_IGNORE_RANGE_CHECK)) {
1713 continue;
1714 }
1715 int checkArray = INVALID_SREG;
1716 int checkIndex = INVALID_SREG;
1717 switch (mir->dalvikInsn.opcode) {
1718 case Instruction::AGET:
1719 case Instruction::AGET_OBJECT:
1720 case Instruction::AGET_BOOLEAN:
1721 case Instruction::AGET_BYTE:
1722 case Instruction::AGET_CHAR:
1723 case Instruction::AGET_SHORT:
1724 case Instruction::AGET_WIDE:
1725 checkArray = mir->ssaRep->uses[0];
1726 checkIndex = mir->ssaRep->uses[1];
1727 break;
1728 case Instruction::APUT:
1729 case Instruction::APUT_OBJECT:
1730 case Instruction::APUT_SHORT:
1731 case Instruction::APUT_CHAR:
1732 case Instruction::APUT_BYTE:
1733 case Instruction::APUT_BOOLEAN:
1734 checkArray = mir->ssaRep->uses[1];
1735 checkIndex = mir->ssaRep->uses[2];
1736 break;
1737 case Instruction::APUT_WIDE:
1738 checkArray = mir->ssaRep->uses[2];
1739 checkIndex = mir->ssaRep->uses[3];
1740 default:
1741 break;
1742 }
1743 if (checkArray == INVALID_SREG) {
1744 continue;
1745 }
1746 if ((arraySreg == checkArray) && (indexSreg == checkIndex)) {
1747 if (cUnit->printMe) {
1748 LOG(INFO) << "Squashing range check @ 0x" << std::hex << mir->offset;
1749 }
1750 mir->optimizationFlags |= MIR_IGNORE_RANGE_CHECK;
1751 }
1752 }
buzbee239c4e72012-03-16 08:42:29 -07001753}
1754
buzbeee1965672012-03-11 18:39:19 -07001755/* Do some MIR-level basic block optimizations */
buzbee52a77fc2012-11-20 19:50:46 -08001756static bool BasicBlockOpt(CompilationUnit* cUnit, BasicBlock* bb)
buzbeee1965672012-03-11 18:39:19 -07001757{
Bill Buzbeea114add2012-05-03 15:00:40 -07001758 int numTemps = 0;
buzbeee1965672012-03-11 18:39:19 -07001759
Bill Buzbeea114add2012-05-03 15:00:40 -07001760 for (MIR* mir = bb->firstMIRInsn; mir; mir = mir->next) {
1761 // Look for interesting opcodes, skip otherwise
1762 Instruction::Code opcode = mir->dalvikInsn.opcode;
1763 switch (opcode) {
1764 case Instruction::AGET:
1765 case Instruction::AGET_OBJECT:
1766 case Instruction::AGET_BOOLEAN:
1767 case Instruction::AGET_BYTE:
1768 case Instruction::AGET_CHAR:
1769 case Instruction::AGET_SHORT:
1770 case Instruction::AGET_WIDE:
1771 if (!(mir->optimizationFlags & MIR_IGNORE_RANGE_CHECK)) {
1772 int arrSreg = mir->ssaRep->uses[0];
1773 int idxSreg = mir->ssaRep->uses[1];
1774 BasicBlock* tbb = bb;
buzbee52a77fc2012-11-20 19:50:46 -08001775 SquashDupRangeChecks(cUnit, &tbb, mir, arrSreg, idxSreg);
buzbeee1965672012-03-11 18:39:19 -07001776 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001777 break;
1778 case Instruction::APUT:
1779 case Instruction::APUT_OBJECT:
1780 case Instruction::APUT_SHORT:
1781 case Instruction::APUT_CHAR:
1782 case Instruction::APUT_BYTE:
1783 case Instruction::APUT_BOOLEAN:
1784 case Instruction::APUT_WIDE:
1785 if (!(mir->optimizationFlags & MIR_IGNORE_RANGE_CHECK)) {
1786 int start = (opcode == Instruction::APUT_WIDE) ? 2 : 1;
1787 int arrSreg = mir->ssaRep->uses[start];
1788 int idxSreg = mir->ssaRep->uses[start + 1];
1789 BasicBlock* tbb = bb;
buzbee52a77fc2012-11-20 19:50:46 -08001790 SquashDupRangeChecks(cUnit, &tbb, mir, arrSreg, idxSreg);
Bill Buzbeea114add2012-05-03 15:00:40 -07001791 }
1792 break;
1793 case Instruction::CMPL_FLOAT:
1794 case Instruction::CMPL_DOUBLE:
1795 case Instruction::CMPG_FLOAT:
1796 case Instruction::CMPG_DOUBLE:
1797 case Instruction::CMP_LONG:
buzbeeca7a5e42012-08-20 11:12:18 -07001798 if (cUnit->genBitcode) {
1799 // Bitcode doesn't allow this optimization.
1800 break;
1801 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001802 if (mir->next != NULL) {
1803 MIR* mirNext = mir->next;
1804 Instruction::Code brOpcode = mirNext->dalvikInsn.opcode;
1805 ConditionCode ccode = kCondNv;
1806 switch(brOpcode) {
1807 case Instruction::IF_EQZ:
1808 ccode = kCondEq;
1809 break;
1810 case Instruction::IF_NEZ:
1811 ccode = kCondNe;
1812 break;
1813 case Instruction::IF_LTZ:
1814 ccode = kCondLt;
1815 break;
1816 case Instruction::IF_GEZ:
1817 ccode = kCondGe;
1818 break;
1819 case Instruction::IF_GTZ:
1820 ccode = kCondGt;
1821 break;
1822 case Instruction::IF_LEZ:
1823 ccode = kCondLe;
1824 break;
1825 default:
1826 break;
1827 }
1828 // Make sure result of cmp is used by next insn and nowhere else
1829 if ((ccode != kCondNv) &&
1830 (mir->ssaRep->defs[0] == mirNext->ssaRep->uses[0]) &&
buzbee52a77fc2012-11-20 19:50:46 -08001831 (GetSSAUseCount(cUnit, mir->ssaRep->defs[0]) == 1)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001832 mirNext->dalvikInsn.arg[0] = ccode;
1833 switch(opcode) {
1834 case Instruction::CMPL_FLOAT:
1835 mirNext->dalvikInsn.opcode =
1836 static_cast<Instruction::Code>(kMirOpFusedCmplFloat);
1837 break;
1838 case Instruction::CMPL_DOUBLE:
1839 mirNext->dalvikInsn.opcode =
1840 static_cast<Instruction::Code>(kMirOpFusedCmplDouble);
1841 break;
1842 case Instruction::CMPG_FLOAT:
1843 mirNext->dalvikInsn.opcode =
1844 static_cast<Instruction::Code>(kMirOpFusedCmpgFloat);
1845 break;
1846 case Instruction::CMPG_DOUBLE:
1847 mirNext->dalvikInsn.opcode =
1848 static_cast<Instruction::Code>(kMirOpFusedCmpgDouble);
1849 break;
1850 case Instruction::CMP_LONG:
1851 mirNext->dalvikInsn.opcode =
1852 static_cast<Instruction::Code>(kMirOpFusedCmpLong);
1853 break;
buzbeecbd6d442012-11-17 14:11:25 -08001854 default: LOG(ERROR) << "Unexpected opcode: " << opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -07001855 }
1856 mir->dalvikInsn.opcode = static_cast<Instruction::Code>(kMirOpNop);
1857 mirNext->ssaRep->numUses = mir->ssaRep->numUses;
1858 mirNext->ssaRep->uses = mir->ssaRep->uses;
1859 mirNext->ssaRep->fpUse = mir->ssaRep->fpUse;
1860 mirNext->ssaRep->numDefs = 0;
1861 mir->ssaRep->numUses = 0;
1862 mir->ssaRep->numDefs = 0;
1863 }
1864 }
1865 break;
1866 default:
1867 break;
buzbeee1965672012-03-11 18:39:19 -07001868 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001869 }
buzbeee1965672012-03-11 18:39:19 -07001870
Bill Buzbeea114add2012-05-03 15:00:40 -07001871 if (numTemps > cUnit->numCompilerTemps) {
1872 cUnit->numCompilerTemps = numTemps;
1873 }
1874 return true;
buzbeee1965672012-03-11 18:39:19 -07001875}
1876
buzbee52a77fc2012-11-20 19:50:46 -08001877static bool NullCheckEliminationInit(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee43a36422011-09-14 14:00:13 -07001878{
Bill Buzbeea114add2012-05-03 15:00:40 -07001879 if (bb->dataFlowInfo == NULL) return false;
1880 bb->dataFlowInfo->endingNullCheckV =
buzbee52a77fc2012-11-20 19:50:46 -08001881 AllocBitVector(cUnit, cUnit->numSSARegs, false, kBitMapNullCheck);
1882 ClearAllBits(bb->dataFlowInfo->endingNullCheckV);
Bill Buzbeea114add2012-05-03 15:00:40 -07001883 return true;
buzbee43a36422011-09-14 14:00:13 -07001884}
1885
buzbeed1643e42012-09-05 14:06:51 -07001886/* Collect stats on number of checks removed */
buzbee52a77fc2012-11-20 19:50:46 -08001887static bool CountChecks( struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbeed1643e42012-09-05 14:06:51 -07001888{
1889 if (bb->dataFlowInfo == NULL) return false;
1890 for (MIR* mir = bb->firstMIRInsn; mir; mir = mir->next) {
1891 if (mir->ssaRep == NULL) {
1892 continue;
1893 }
1894 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
1895 if (dfAttributes & DF_HAS_NULL_CHKS) {
1896 cUnit->checkstats->nullChecks++;
1897 if (mir->optimizationFlags & MIR_IGNORE_NULL_CHECK) {
1898 cUnit->checkstats->nullChecksEliminated++;
1899 }
1900 }
1901 if (dfAttributes & DF_HAS_RANGE_CHKS) {
1902 cUnit->checkstats->rangeChecks++;
1903 if (mir->optimizationFlags & MIR_IGNORE_RANGE_CHECK) {
1904 cUnit->checkstats->rangeChecksEliminated++;
1905 }
1906 }
1907 }
1908 return false;
1909}
1910
buzbee0967a252012-09-14 10:43:54 -07001911/* Try to make common case the fallthrough path */
buzbee52a77fc2012-11-20 19:50:46 -08001912static bool LayoutBlocks(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee0967a252012-09-14 10:43:54 -07001913{
1914 // TODO: For now, just looking for direct throws. Consider generalizing for profile feedback
1915 if (!bb->explicitThrow) {
1916 return false;
1917 }
1918 BasicBlock* walker = bb;
1919 while (true) {
1920 // Check termination conditions
1921 if ((walker->blockType == kEntryBlock) || (walker->predecessors->numUsed != 1)) {
1922 break;
1923 }
1924 BasicBlock* prev = GET_ELEM_N(walker->predecessors, BasicBlock*, 0);
1925 if (prev->conditionalBranch) {
1926 if (prev->fallThrough == walker) {
1927 // Already done - return
1928 break;
1929 }
1930 DCHECK_EQ(walker, prev->taken);
1931 // Got one. Flip it and exit
1932 Instruction::Code opcode = prev->lastMIRInsn->dalvikInsn.opcode;
1933 switch (opcode) {
1934 case Instruction::IF_EQ: opcode = Instruction::IF_NE; break;
1935 case Instruction::IF_NE: opcode = Instruction::IF_EQ; break;
1936 case Instruction::IF_LT: opcode = Instruction::IF_GE; break;
1937 case Instruction::IF_GE: opcode = Instruction::IF_LT; break;
1938 case Instruction::IF_GT: opcode = Instruction::IF_LE; break;
1939 case Instruction::IF_LE: opcode = Instruction::IF_GT; break;
1940 case Instruction::IF_EQZ: opcode = Instruction::IF_NEZ; break;
1941 case Instruction::IF_NEZ: opcode = Instruction::IF_EQZ; break;
1942 case Instruction::IF_LTZ: opcode = Instruction::IF_GEZ; break;
1943 case Instruction::IF_GEZ: opcode = Instruction::IF_LTZ; break;
1944 case Instruction::IF_GTZ: opcode = Instruction::IF_LEZ; break;
1945 case Instruction::IF_LEZ: opcode = Instruction::IF_GTZ; break;
buzbeecbd6d442012-11-17 14:11:25 -08001946 default: LOG(FATAL) << "Unexpected opcode " << opcode;
buzbee0967a252012-09-14 10:43:54 -07001947 }
1948 prev->lastMIRInsn->dalvikInsn.opcode = opcode;
1949 BasicBlock* tBB = prev->taken;
1950 prev->taken = prev->fallThrough;
1951 prev->fallThrough = tBB;
1952 break;
1953 }
1954 walker = prev;
1955 }
1956 return false;
1957}
1958
buzbeed1643e42012-09-05 14:06:51 -07001959/* Combine any basic blocks terminated by instructions that we now know can't throw */
buzbee52a77fc2012-11-20 19:50:46 -08001960static bool CombineBlocks(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbeed1643e42012-09-05 14:06:51 -07001961{
1962 // Loop here to allow combining a sequence of blocks
1963 while (true) {
1964 // Check termination conditions
1965 if ((bb->firstMIRInsn == NULL)
1966 || (bb->dataFlowInfo == NULL)
1967 || (bb->blockType == kExceptionHandling)
1968 || (bb->blockType == kExitBlock)
1969 || (bb->blockType == kDead)
1970 || ((bb->taken == NULL) || (bb->taken->blockType != kExceptionHandling))
1971 || (bb->successorBlockList.blockListType != kNotUsed)
buzbeecbd6d442012-11-17 14:11:25 -08001972 || (static_cast<int>(bb->lastMIRInsn->dalvikInsn.opcode) != kMirOpCheck)) {
buzbeed1643e42012-09-05 14:06:51 -07001973 break;
1974 }
1975
1976 // Test the kMirOpCheck instruction
1977 MIR* mir = bb->lastMIRInsn;
1978 // Grab the attributes from the paired opcode
1979 MIR* throwInsn = mir->meta.throwInsn;
1980 int dfAttributes = oatDataFlowAttributes[throwInsn->dalvikInsn.opcode];
buzbee0967a252012-09-14 10:43:54 -07001981 bool canCombine = true;
1982 if (dfAttributes & DF_HAS_NULL_CHKS) {
1983 canCombine &= ((throwInsn->optimizationFlags & MIR_IGNORE_NULL_CHECK) != 0);
1984 }
1985 if (dfAttributes & DF_HAS_RANGE_CHKS) {
1986 canCombine &= ((throwInsn->optimizationFlags & MIR_IGNORE_RANGE_CHECK) != 0);
1987 }
1988 if (!canCombine) {
buzbeed1643e42012-09-05 14:06:51 -07001989 break;
1990 }
1991 // OK - got one. Combine
1992 BasicBlock* bbNext = bb->fallThrough;
1993 DCHECK(!bbNext->catchEntry);
1994 DCHECK_EQ(bbNext->predecessors->numUsed, 1U);
1995 MIR* tMir = bb->lastMIRInsn->prev;
1996 // Overwrite the kOpCheck insn with the paired opcode
1997 DCHECK_EQ(bbNext->firstMIRInsn, throwInsn);
1998 *bb->lastMIRInsn = *throwInsn;
1999 bb->lastMIRInsn->prev = tMir;
2000 // Use the successor info from the next block
2001 bb->successorBlockList = bbNext->successorBlockList;
2002 // Use the ending block linkage from the next block
2003 bb->fallThrough = bbNext->fallThrough;
2004 bb->taken->blockType = kDead; // Kill the unused exception block
2005 bb->taken = bbNext->taken;
2006 // Include the rest of the instructions
2007 bb->lastMIRInsn = bbNext->lastMIRInsn;
2008
2009 /*
2010 * NOTE: we aren't updating all dataflow info here. Should either make sure this pass
2011 * happens after uses of iDominated, domFrontier or update the dataflow info here.
2012 */
2013
2014 // Kill bbNext and remap now-dead id to parent
2015 bbNext->blockType = kDead;
2016 cUnit->blockIdMap.Overwrite(bbNext->id, bb->id);
2017
2018 // Now, loop back and see if we can keep going
2019 }
2020 return false;
2021}
2022
buzbee43a36422011-09-14 14:00:13 -07002023/* Eliminate unnecessary null checks for a basic block. */
buzbee52a77fc2012-11-20 19:50:46 -08002024static bool EliminateNullChecks( struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee43a36422011-09-14 14:00:13 -07002025{
Bill Buzbeea114add2012-05-03 15:00:40 -07002026 if (bb->dataFlowInfo == NULL) return false;
2027
2028 /*
2029 * Set initial state. Be conservative with catch
2030 * blocks and start with no assumptions about null check
2031 * status (except for "this").
2032 */
2033 if ((bb->blockType == kEntryBlock) | bb->catchEntry) {
buzbee52a77fc2012-11-20 19:50:46 -08002034 ClearAllBits(cUnit->tempSSARegisterV);
Bill Buzbeea114add2012-05-03 15:00:40 -07002035 if ((cUnit->access_flags & kAccStatic) == 0) {
2036 // If non-static method, mark "this" as non-null
2037 int thisReg = cUnit->numDalvikRegisters - cUnit->numIns;
buzbee52a77fc2012-11-20 19:50:46 -08002038 SetBit(cUnit, cUnit->tempSSARegisterV, thisReg);
Bill Buzbeea114add2012-05-03 15:00:40 -07002039 }
2040 } else {
2041 // Starting state is intesection of all incoming arcs
2042 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002043 GrowableListIteratorInit(bb->predecessors, &iter);
2044 BasicBlock* predBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter));
Bill Buzbeea114add2012-05-03 15:00:40 -07002045 DCHECK(predBB != NULL);
buzbee52a77fc2012-11-20 19:50:46 -08002046 CopyBitVector(cUnit->tempSSARegisterV,
Bill Buzbeea114add2012-05-03 15:00:40 -07002047 predBB->dataFlowInfo->endingNullCheckV);
2048 while (true) {
buzbee52a77fc2012-11-20 19:50:46 -08002049 predBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter));
Bill Buzbeea114add2012-05-03 15:00:40 -07002050 if (!predBB) break;
2051 if ((predBB->dataFlowInfo == NULL) ||
2052 (predBB->dataFlowInfo->endingNullCheckV == NULL)) {
2053 continue;
2054 }
buzbee52a77fc2012-11-20 19:50:46 -08002055 IntersectBitVectors(cUnit->tempSSARegisterV,
Bill Buzbeea114add2012-05-03 15:00:40 -07002056 cUnit->tempSSARegisterV,
2057 predBB->dataFlowInfo->endingNullCheckV);
2058 }
2059 }
2060
2061 // Walk through the instruction in the block, updating as necessary
2062 for (MIR* mir = bb->firstMIRInsn; mir; mir = mir->next) {
2063 if (mir->ssaRep == NULL) {
2064 continue;
2065 }
2066 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
2067
2068 // Mark target of NEW* as non-null
2069 if (dfAttributes & DF_NON_NULL_DST) {
buzbee52a77fc2012-11-20 19:50:46 -08002070 SetBit(cUnit, cUnit->tempSSARegisterV, mir->ssaRep->defs[0]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002071 }
2072
2073 // Mark non-null returns from invoke-style NEW*
2074 if (dfAttributes & DF_NON_NULL_RET) {
2075 MIR* nextMir = mir->next;
2076 // Next should be an MOVE_RESULT_OBJECT
2077 if (nextMir &&
2078 nextMir->dalvikInsn.opcode == Instruction::MOVE_RESULT_OBJECT) {
2079 // Mark as null checked
buzbee52a77fc2012-11-20 19:50:46 -08002080 SetBit(cUnit, cUnit->tempSSARegisterV, nextMir->ssaRep->defs[0]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002081 } else {
2082 if (nextMir) {
buzbeecbd6d442012-11-17 14:11:25 -08002083 LOG(WARNING) << "Unexpected opcode following new: " << nextMir->dalvikInsn.opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -07002084 } else if (bb->fallThrough) {
2085 // Look in next basic block
2086 struct BasicBlock* nextBB = bb->fallThrough;
2087 for (MIR* tmir = nextBB->firstMIRInsn; tmir;
2088 tmir =tmir->next) {
buzbeecbd6d442012-11-17 14:11:25 -08002089 if (static_cast<int>(tmir->dalvikInsn.opcode) >= static_cast<int>(kMirOpFirst)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002090 continue;
2091 }
2092 // First non-pseudo should be MOVE_RESULT_OBJECT
2093 if (tmir->dalvikInsn.opcode == Instruction::MOVE_RESULT_OBJECT) {
2094 // Mark as null checked
buzbee52a77fc2012-11-20 19:50:46 -08002095 SetBit(cUnit, cUnit->tempSSARegisterV, tmir->ssaRep->defs[0]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002096 } else {
buzbeecbd6d442012-11-17 14:11:25 -08002097 LOG(WARNING) << "Unexpected op after new: " << tmir->dalvikInsn.opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -07002098 }
2099 break;
2100 }
2101 }
2102 }
2103 }
buzbee5abfa3e2012-01-31 17:01:43 -08002104
buzbee43a36422011-09-14 14:00:13 -07002105 /*
Bill Buzbeea114add2012-05-03 15:00:40 -07002106 * Propagate nullcheck state on register copies (including
2107 * Phi pseudo copies. For the latter, nullcheck state is
2108 * the "and" of all the Phi's operands.
buzbee43a36422011-09-14 14:00:13 -07002109 */
Bill Buzbeea114add2012-05-03 15:00:40 -07002110 if (dfAttributes & (DF_NULL_TRANSFER_0 | DF_NULL_TRANSFER_N)) {
2111 int tgtSreg = mir->ssaRep->defs[0];
2112 int operands = (dfAttributes & DF_NULL_TRANSFER_0) ? 1 :
2113 mir->ssaRep->numUses;
2114 bool nullChecked = true;
2115 for (int i = 0; i < operands; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08002116 nullChecked &= IsBitSet(cUnit->tempSSARegisterV,
Bill Buzbeea114add2012-05-03 15:00:40 -07002117 mir->ssaRep->uses[i]);
2118 }
2119 if (nullChecked) {
buzbee52a77fc2012-11-20 19:50:46 -08002120 SetBit(cUnit, cUnit->tempSSARegisterV, tgtSreg);
Bill Buzbeea114add2012-05-03 15:00:40 -07002121 }
buzbee43a36422011-09-14 14:00:13 -07002122 }
2123
Bill Buzbeea114add2012-05-03 15:00:40 -07002124 // Already nullchecked?
buzbeed1643e42012-09-05 14:06:51 -07002125 if ((dfAttributes & DF_HAS_NULL_CHKS) && !(mir->optimizationFlags & MIR_IGNORE_NULL_CHECK)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002126 int srcIdx;
2127 if (dfAttributes & DF_NULL_CHK_1) {
2128 srcIdx = 1;
2129 } else if (dfAttributes & DF_NULL_CHK_2) {
2130 srcIdx = 2;
2131 } else {
2132 srcIdx = 0;
2133 }
2134 int srcSreg = mir->ssaRep->uses[srcIdx];
buzbee52a77fc2012-11-20 19:50:46 -08002135 if (IsBitSet(cUnit->tempSSARegisterV, srcSreg)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002136 // Eliminate the null check
2137 mir->optimizationFlags |= MIR_IGNORE_NULL_CHECK;
2138 } else {
2139 // Mark sReg as null-checked
buzbee52a77fc2012-11-20 19:50:46 -08002140 SetBit(cUnit, cUnit->tempSSARegisterV, srcSreg);
buzbee43a36422011-09-14 14:00:13 -07002141 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002142 }
2143 }
buzbee43a36422011-09-14 14:00:13 -07002144
Bill Buzbeea114add2012-05-03 15:00:40 -07002145 // Did anything change?
buzbee52a77fc2012-11-20 19:50:46 -08002146 bool res = CompareBitVectors(bb->dataFlowInfo->endingNullCheckV,
Bill Buzbeea114add2012-05-03 15:00:40 -07002147 cUnit->tempSSARegisterV);
2148 if (res) {
buzbee52a77fc2012-11-20 19:50:46 -08002149 CopyBitVector(bb->dataFlowInfo->endingNullCheckV,
Bill Buzbeea114add2012-05-03 15:00:40 -07002150 cUnit->tempSSARegisterV);
2151 }
2152 return res;
buzbee43a36422011-09-14 14:00:13 -07002153}
2154
buzbee52a77fc2012-11-20 19:50:46 -08002155void NullCheckElimination(CompilationUnit *cUnit)
buzbee43a36422011-09-14 14:00:13 -07002156{
Bill Buzbeea114add2012-05-03 15:00:40 -07002157 if (!(cUnit->disableOpt & (1 << kNullCheckElimination))) {
2158 DCHECK(cUnit->tempSSARegisterV != NULL);
buzbee52a77fc2012-11-20 19:50:46 -08002159 DataFlowAnalysisDispatcher(cUnit, NullCheckEliminationInit, kAllNodes,
Bill Buzbeea114add2012-05-03 15:00:40 -07002160 false /* isIterative */);
buzbee52a77fc2012-11-20 19:50:46 -08002161 DataFlowAnalysisDispatcher(cUnit, EliminateNullChecks,
Bill Buzbeea114add2012-05-03 15:00:40 -07002162 kPreOrderDFSTraversal,
2163 true /* isIterative */);
2164 }
buzbee43a36422011-09-14 14:00:13 -07002165}
Elliott Hughes11d1b0c2012-01-23 16:57:47 -08002166
buzbee52a77fc2012-11-20 19:50:46 -08002167void BasicBlockCombine(CompilationUnit* cUnit)
buzbeed1643e42012-09-05 14:06:51 -07002168{
buzbee52a77fc2012-11-20 19:50:46 -08002169 DataFlowAnalysisDispatcher(cUnit, CombineBlocks, kPreOrderDFSTraversal, false);
buzbeed1643e42012-09-05 14:06:51 -07002170}
2171
buzbee52a77fc2012-11-20 19:50:46 -08002172void CodeLayout(CompilationUnit* cUnit)
buzbee0967a252012-09-14 10:43:54 -07002173{
buzbee52a77fc2012-11-20 19:50:46 -08002174 DataFlowAnalysisDispatcher(cUnit, LayoutBlocks, kAllNodes, false);
buzbee0967a252012-09-14 10:43:54 -07002175}
2176
buzbee52a77fc2012-11-20 19:50:46 -08002177void DumpCheckStats(CompilationUnit *cUnit)
buzbeed1643e42012-09-05 14:06:51 -07002178{
buzbeecbd6d442012-11-17 14:11:25 -08002179 Checkstats* stats =
buzbee52a77fc2012-11-20 19:50:46 -08002180 static_cast<Checkstats*>(NewMem(cUnit, sizeof(Checkstats), true, kAllocDFInfo));
buzbeed1643e42012-09-05 14:06:51 -07002181 cUnit->checkstats = stats;
buzbee52a77fc2012-11-20 19:50:46 -08002182 DataFlowAnalysisDispatcher(cUnit, CountChecks, kAllNodes, false /* isIterative */);
buzbeed1643e42012-09-05 14:06:51 -07002183 if (stats->nullChecks > 0) {
buzbeecbd6d442012-11-17 14:11:25 -08002184 float eliminated = static_cast<float>(stats->nullChecksEliminated);
2185 float checks = static_cast<float>(stats->nullChecks);
buzbeed1643e42012-09-05 14:06:51 -07002186 LOG(INFO) << "Null Checks: " << PrettyMethod(cUnit->method_idx, *cUnit->dex_file) << " "
2187 << stats->nullChecksEliminated << " of " << stats->nullChecks << " -> "
buzbeecbd6d442012-11-17 14:11:25 -08002188 << (eliminated/checks) * 100.0 << "%";
buzbeed1643e42012-09-05 14:06:51 -07002189 }
2190 if (stats->rangeChecks > 0) {
buzbeecbd6d442012-11-17 14:11:25 -08002191 float eliminated = static_cast<float>(stats->rangeChecksEliminated);
2192 float checks = static_cast<float>(stats->rangeChecks);
buzbeed1643e42012-09-05 14:06:51 -07002193 LOG(INFO) << "Range Checks: " << PrettyMethod(cUnit->method_idx, *cUnit->dex_file) << " "
2194 << stats->rangeChecksEliminated << " of " << stats->rangeChecks << " -> "
buzbeecbd6d442012-11-17 14:11:25 -08002195 << (eliminated/checks) * 100.0 << "%";
buzbeed1643e42012-09-05 14:06:51 -07002196 }
2197}
2198
buzbee52a77fc2012-11-20 19:50:46 -08002199void BasicBlockOptimization(CompilationUnit *cUnit)
buzbeee1965672012-03-11 18:39:19 -07002200{
Bill Buzbeea114add2012-05-03 15:00:40 -07002201 if (!(cUnit->disableOpt & (1 << kBBOpt))) {
buzbee52a77fc2012-11-20 19:50:46 -08002202 CompilerInitGrowableList(cUnit, &cUnit->compilerTemps, 6, kListMisc);
Bill Buzbeea114add2012-05-03 15:00:40 -07002203 DCHECK_EQ(cUnit->numCompilerTemps, 0);
buzbee52a77fc2012-11-20 19:50:46 -08002204 DataFlowAnalysisDispatcher(cUnit, BasicBlockOpt,
buzbeeca7a5e42012-08-20 11:12:18 -07002205 kAllNodes, false /* isIterative */);
Bill Buzbeea114add2012-05-03 15:00:40 -07002206 }
buzbeee1965672012-03-11 18:39:19 -07002207}
2208
buzbee52a77fc2012-11-20 19:50:46 -08002209static void AddLoopHeader(CompilationUnit* cUnit, BasicBlock* header,
2210 BasicBlock* backEdge)
buzbee239c4e72012-03-16 08:42:29 -07002211{
Bill Buzbeea114add2012-05-03 15:00:40 -07002212 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002213 GrowableListIteratorInit(&cUnit->loopHeaders, &iter);
2214 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2215 (loop != NULL); loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002216 if (loop->header == header) {
buzbee52a77fc2012-11-20 19:50:46 -08002217 InsertGrowableList(cUnit, &loop->incomingBackEdges,
buzbeecbd6d442012-11-17 14:11:25 -08002218 reinterpret_cast<uintptr_t>(backEdge));
Bill Buzbeea114add2012-05-03 15:00:40 -07002219 return;
buzbee239c4e72012-03-16 08:42:29 -07002220 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002221 }
buzbee52a77fc2012-11-20 19:50:46 -08002222 LoopInfo* info = static_cast<LoopInfo*>(NewMem(cUnit, sizeof(LoopInfo), true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07002223 info->header = header;
buzbee52a77fc2012-11-20 19:50:46 -08002224 CompilerInitGrowableList(cUnit, &info->incomingBackEdges, 2, kListMisc);
2225 InsertGrowableList(cUnit, &info->incomingBackEdges, reinterpret_cast<uintptr_t>(backEdge));
2226 InsertGrowableList(cUnit, &cUnit->loopHeaders, reinterpret_cast<uintptr_t>(info));
buzbee239c4e72012-03-16 08:42:29 -07002227}
2228
buzbee52a77fc2012-11-20 19:50:46 -08002229static bool FindBackEdges(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee239c4e72012-03-16 08:42:29 -07002230{
Bill Buzbeea114add2012-05-03 15:00:40 -07002231 if ((bb->dataFlowInfo == NULL) || (bb->lastMIRInsn == NULL)) {
buzbee239c4e72012-03-16 08:42:29 -07002232 return false;
Bill Buzbeea114add2012-05-03 15:00:40 -07002233 }
2234 Instruction::Code opcode = bb->lastMIRInsn->dalvikInsn.opcode;
Ian Rogersa75a0132012-09-28 11:41:42 -07002235 if (Instruction::FlagsOf(opcode) & Instruction::kBranch) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002236 if (bb->taken && (bb->taken->startOffset <= bb->startOffset)) {
2237 DCHECK(bb->dominators != NULL);
buzbee52a77fc2012-11-20 19:50:46 -08002238 if (IsBitSet(bb->dominators, bb->taken->id)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002239 if (cUnit->printMe) {
2240 LOG(INFO) << "Loop backedge from 0x"
2241 << std::hex << bb->lastMIRInsn->offset
2242 << " to 0x" << std::hex << bb->taken->startOffset;
2243 }
buzbee52a77fc2012-11-20 19:50:46 -08002244 AddLoopHeader(cUnit, bb->taken, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07002245 }
2246 }
2247 }
2248 return false;
buzbee239c4e72012-03-16 08:42:29 -07002249}
2250
buzbee52a77fc2012-11-20 19:50:46 -08002251static void AddBlocksToLoop(CompilationUnit* cUnit, ArenaBitVector* blocks,
2252 BasicBlock* bb, int headId)
buzbee239c4e72012-03-16 08:42:29 -07002253{
buzbee52a77fc2012-11-20 19:50:46 -08002254 if (!IsBitSet(bb->dominators, headId) ||
2255 IsBitSet(blocks, bb->id)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002256 return;
2257 }
buzbee52a77fc2012-11-20 19:50:46 -08002258 SetBit(cUnit, blocks, bb->id);
Bill Buzbeea114add2012-05-03 15:00:40 -07002259 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002260 GrowableListIteratorInit(bb->predecessors, &iter);
Bill Buzbeea114add2012-05-03 15:00:40 -07002261 BasicBlock* predBB;
buzbee52a77fc2012-11-20 19:50:46 -08002262 for (predBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); predBB;
2263 predBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
2264 AddBlocksToLoop(cUnit, blocks, predBB, headId);
Bill Buzbeea114add2012-05-03 15:00:40 -07002265 }
buzbee239c4e72012-03-16 08:42:29 -07002266}
2267
buzbee52a77fc2012-11-20 19:50:46 -08002268static void DumpLoops(CompilationUnit *cUnit)
buzbee239c4e72012-03-16 08:42:29 -07002269{
Bill Buzbeea114add2012-05-03 15:00:40 -07002270 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002271 GrowableListIteratorInit(&cUnit->loopHeaders, &iter);
2272 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2273 (loop != NULL); loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002274 LOG(INFO) << "Loop head block id " << loop->header->id
2275 << ", offset 0x" << std::hex << loop->header->startOffset
2276 << ", Depth: " << loop->header->nestingDepth;
buzbee239c4e72012-03-16 08:42:29 -07002277 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002278 GrowableListIteratorInit(&loop->incomingBackEdges, &iter);
Bill Buzbeea114add2012-05-03 15:00:40 -07002279 BasicBlock* edgeBB;
buzbee52a77fc2012-11-20 19:50:46 -08002280 for (edgeBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); edgeBB;
2281 edgeBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002282 LOG(INFO) << " Backedge block id " << edgeBB->id
2283 << ", offset 0x" << std::hex << edgeBB->startOffset;
2284 ArenaBitVectorIterator bIter;
buzbee52a77fc2012-11-20 19:50:46 -08002285 BitVectorIteratorInit(loop->blocks, &bIter);
2286 for (int bbId = BitVectorIteratorNext(&bIter); bbId != -1;
2287 bbId = BitVectorIteratorNext(&bIter)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002288 BasicBlock *bb;
buzbee52a77fc2012-11-20 19:50:46 -08002289 bb = reinterpret_cast<BasicBlock*>(GrowableListGetElement(&cUnit->blockList, bbId));
Bill Buzbeea114add2012-05-03 15:00:40 -07002290 LOG(INFO) << " (" << bb->id << ", 0x" << std::hex
2291 << bb->startOffset << ")";
2292 }
buzbee239c4e72012-03-16 08:42:29 -07002293 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002294 }
buzbee239c4e72012-03-16 08:42:29 -07002295}
2296
buzbee52a77fc2012-11-20 19:50:46 -08002297void LoopDetection(CompilationUnit *cUnit)
buzbee239c4e72012-03-16 08:42:29 -07002298{
Bill Buzbeea114add2012-05-03 15:00:40 -07002299 if (cUnit->disableOpt & (1 << kPromoteRegs)) {
2300 return;
2301 }
buzbee52a77fc2012-11-20 19:50:46 -08002302 CompilerInitGrowableList(cUnit, &cUnit->loopHeaders, 6, kListMisc);
Bill Buzbeea114add2012-05-03 15:00:40 -07002303 // Find the loop headers
buzbee52a77fc2012-11-20 19:50:46 -08002304 DataFlowAnalysisDispatcher(cUnit, FindBackEdges, kAllNodes, false /* isIterative */);
Bill Buzbeea114add2012-05-03 15:00:40 -07002305 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002306 GrowableListIteratorInit(&cUnit->loopHeaders, &iter);
Bill Buzbeea114add2012-05-03 15:00:40 -07002307 // Add blocks to each header
buzbee52a77fc2012-11-20 19:50:46 -08002308 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2309 loop; loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
2310 loop->blocks = AllocBitVector(cUnit, cUnit->numBlocks, true,
Bill Buzbeea114add2012-05-03 15:00:40 -07002311 kBitMapMisc);
buzbee52a77fc2012-11-20 19:50:46 -08002312 SetBit(cUnit, loop->blocks, loop->header->id);
buzbee239c4e72012-03-16 08:42:29 -07002313 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002314 GrowableListIteratorInit(&loop->incomingBackEdges, &iter);
Bill Buzbeea114add2012-05-03 15:00:40 -07002315 BasicBlock* edgeBB;
buzbee52a77fc2012-11-20 19:50:46 -08002316 for (edgeBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); edgeBB;
2317 edgeBB = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
2318 AddBlocksToLoop(cUnit, loop->blocks, edgeBB, loop->header->id);
buzbee239c4e72012-03-16 08:42:29 -07002319 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002320 }
2321 // Compute the nesting depth of each header
buzbee52a77fc2012-11-20 19:50:46 -08002322 GrowableListIteratorInit(&cUnit->loopHeaders, &iter);
2323 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2324 loop; loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002325 GrowableListIterator iter2;
buzbee52a77fc2012-11-20 19:50:46 -08002326 GrowableListIteratorInit(&cUnit->loopHeaders, &iter2);
Bill Buzbeea114add2012-05-03 15:00:40 -07002327 LoopInfo* loop2;
buzbee52a77fc2012-11-20 19:50:46 -08002328 for (loop2 = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter2));
2329 loop2; loop2 = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter2))) {
2330 if (IsBitSet(loop2->blocks, loop->header->id)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002331 loop->header->nestingDepth++;
2332 }
buzbee239c4e72012-03-16 08:42:29 -07002333 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002334 }
2335 // Assign nesting depth to each block in all loops
buzbee52a77fc2012-11-20 19:50:46 -08002336 GrowableListIteratorInit(&cUnit->loopHeaders, &iter);
2337 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2338 (loop != NULL); loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002339 ArenaBitVectorIterator bIter;
buzbee52a77fc2012-11-20 19:50:46 -08002340 BitVectorIteratorInit(loop->blocks, &bIter);
2341 for (int bbId = BitVectorIteratorNext(&bIter); bbId != -1;
2342 bbId = BitVectorIteratorNext(&bIter)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002343 BasicBlock *bb;
buzbee52a77fc2012-11-20 19:50:46 -08002344 bb = reinterpret_cast<BasicBlock*>(GrowableListGetElement(&cUnit->blockList, bbId));
Bill Buzbeea114add2012-05-03 15:00:40 -07002345 bb->nestingDepth = std::max(bb->nestingDepth,
2346 loop->header->nestingDepth);
buzbee239c4e72012-03-16 08:42:29 -07002347 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002348 }
2349 if (cUnit->printMe) {
buzbee52a77fc2012-11-20 19:50:46 -08002350 DumpLoops(cUnit);
Bill Buzbeea114add2012-05-03 15:00:40 -07002351 }
buzbee239c4e72012-03-16 08:42:29 -07002352}
2353
2354/*
buzbee9c044ce2012-03-18 13:24:07 -07002355 * This function will make a best guess at whether the invoke will
2356 * end up using Method*. It isn't critical to get it exactly right,
2357 * and attempting to do would involve more complexity than it's
2358 * worth.
2359 */
buzbee52a77fc2012-11-20 19:50:46 -08002360static bool InvokeUsesMethodStar(CompilationUnit* cUnit, MIR* mir)
buzbee9c044ce2012-03-18 13:24:07 -07002361{
Bill Buzbeea114add2012-05-03 15:00:40 -07002362 InvokeType type;
2363 Instruction::Code opcode = mir->dalvikInsn.opcode;
2364 switch (opcode) {
2365 case Instruction::INVOKE_STATIC:
2366 case Instruction::INVOKE_STATIC_RANGE:
2367 type = kStatic;
2368 break;
2369 case Instruction::INVOKE_DIRECT:
2370 case Instruction::INVOKE_DIRECT_RANGE:
2371 type = kDirect;
2372 break;
2373 case Instruction::INVOKE_VIRTUAL:
2374 case Instruction::INVOKE_VIRTUAL_RANGE:
2375 type = kVirtual;
2376 break;
2377 case Instruction::INVOKE_INTERFACE:
2378 case Instruction::INVOKE_INTERFACE_RANGE:
2379 return false;
2380 case Instruction::INVOKE_SUPER_RANGE:
2381 case Instruction::INVOKE_SUPER:
2382 type = kSuper;
2383 break;
2384 default:
buzbeecbd6d442012-11-17 14:11:25 -08002385 LOG(WARNING) << "Unexpected invoke op: " << opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -07002386 return false;
2387 }
2388 OatCompilationUnit mUnit(cUnit->class_loader, cUnit->class_linker,
Ian Rogers00f7d0e2012-07-19 15:28:27 -07002389 *cUnit->dex_file,
Bill Buzbeea114add2012-05-03 15:00:40 -07002390 cUnit->code_item, cUnit->method_idx,
2391 cUnit->access_flags);
2392 // TODO: add a flag so we don't counts the stats for this twice
2393 uint32_t dexMethodIdx = mir->dalvikInsn.vB;
2394 int vtableIdx;
2395 uintptr_t directCode;
2396 uintptr_t directMethod;
2397 bool fastPath =
2398 cUnit->compiler->ComputeInvokeInfo(dexMethodIdx, &mUnit, type,
2399 vtableIdx, directCode,
2400 directMethod) &&
2401 !SLOW_INVOKE_PATH;
2402 return (((type == kDirect) || (type == kStatic)) &&
2403 fastPath && ((directCode == 0) || (directMethod == 0)));
buzbee9c044ce2012-03-18 13:24:07 -07002404}
2405
2406/*
buzbee239c4e72012-03-16 08:42:29 -07002407 * Count uses, weighting by loop nesting depth. This code only
2408 * counts explicitly used sRegs. A later phase will add implicit
2409 * counts for things such as Method*, null-checked references, etc.
2410 */
buzbee52a77fc2012-11-20 19:50:46 -08002411static bool CountUses(struct CompilationUnit* cUnit, struct BasicBlock* bb)
buzbee239c4e72012-03-16 08:42:29 -07002412{
Bill Buzbeea114add2012-05-03 15:00:40 -07002413 if (bb->blockType != kDalvikByteCode) {
buzbee239c4e72012-03-16 08:42:29 -07002414 return false;
Bill Buzbeea114add2012-05-03 15:00:40 -07002415 }
2416 for (MIR* mir = bb->firstMIRInsn; (mir != NULL); mir = mir->next) {
2417 if (mir->ssaRep == NULL) {
2418 continue;
2419 }
buzbeecbd6d442012-11-17 14:11:25 -08002420 uint32_t weight = std::min(16U, static_cast<uint32_t>(bb->nestingDepth));
Bill Buzbeea114add2012-05-03 15:00:40 -07002421 for (int i = 0; i < mir->ssaRep->numUses; i++) {
2422 int sReg = mir->ssaRep->uses[i];
buzbeecbd6d442012-11-17 14:11:25 -08002423 DCHECK_LT(sReg, static_cast<int>(cUnit->useCounts.numUsed));
Bill Buzbeea114add2012-05-03 15:00:40 -07002424 cUnit->rawUseCounts.elemList[sReg]++;
2425 cUnit->useCounts.elemList[sReg] += (1 << weight);
2426 }
2427 if (!(cUnit->disableOpt & (1 << kPromoteCompilerTemps))) {
2428 int dfAttributes = oatDataFlowAttributes[mir->dalvikInsn.opcode];
2429 // Implicit use of Method* ? */
2430 if (dfAttributes & DF_UMS) {
2431 /*
2432 * Some invokes will not use Method* - need to perform test similar
buzbee52a77fc2012-11-20 19:50:46 -08002433 * to that found in GenInvoke() to decide whether to count refs
Bill Buzbeea114add2012-05-03 15:00:40 -07002434 * for Method* on invoke-class opcodes.
buzbee52a77fc2012-11-20 19:50:46 -08002435 * TODO: refactor for common test here, save results for GenInvoke
Bill Buzbeea114add2012-05-03 15:00:40 -07002436 */
2437 int usesMethodStar = true;
2438 if ((dfAttributes & (DF_FORMAT_35C | DF_FORMAT_3RC)) &&
2439 !(dfAttributes & DF_NON_NULL_RET)) {
buzbee52a77fc2012-11-20 19:50:46 -08002440 usesMethodStar &= InvokeUsesMethodStar(cUnit, mir);
Bill Buzbeea114add2012-05-03 15:00:40 -07002441 }
2442 if (usesMethodStar) {
2443 cUnit->rawUseCounts.elemList[cUnit->methodSReg]++;
2444 cUnit->useCounts.elemList[cUnit->methodSReg] += (1 << weight);
2445 }
2446 }
2447 }
2448 }
2449 return false;
buzbee239c4e72012-03-16 08:42:29 -07002450}
2451
buzbee52a77fc2012-11-20 19:50:46 -08002452void MethodUseCount(CompilationUnit *cUnit)
buzbee239c4e72012-03-16 08:42:29 -07002453{
buzbee52a77fc2012-11-20 19:50:46 -08002454 CompilerInitGrowableList(cUnit, &cUnit->useCounts, cUnit->numSSARegs + 32, kListMisc);
2455 CompilerInitGrowableList(cUnit, &cUnit->rawUseCounts, cUnit->numSSARegs + 32, kListMisc);
Bill Buzbeea114add2012-05-03 15:00:40 -07002456 // Initialize list
2457 for (int i = 0; i < cUnit->numSSARegs; i++) {
buzbee52a77fc2012-11-20 19:50:46 -08002458 InsertGrowableList(cUnit, &cUnit->useCounts, 0);
2459 InsertGrowableList(cUnit, &cUnit->rawUseCounts, 0);
Bill Buzbeea114add2012-05-03 15:00:40 -07002460 }
2461 if (cUnit->disableOpt & (1 << kPromoteRegs)) {
2462 return;
2463 }
buzbee52a77fc2012-11-20 19:50:46 -08002464 DataFlowAnalysisDispatcher(cUnit, CountUses,
Bill Buzbeea114add2012-05-03 15:00:40 -07002465 kAllNodes, false /* isIterative */);
buzbee239c4e72012-03-16 08:42:29 -07002466}
2467
Elliott Hughes11d1b0c2012-01-23 16:57:47 -08002468} // namespace art