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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 */
buzbeefa57c472012-11-21 12:06:18 -080031const int oat_data_flow_attributes[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 */
buzbeefa57c472012-11-21 12:06:18 -0800839int SRegToVReg(const CompilationUnit* cu, int ssa_reg)
buzbee67bf8852011-08-17 17:51:35 -0700840{
buzbeefa57c472012-11-21 12:06:18 -0800841 DCHECK_LT(ssa_reg, static_cast<int>(cu->ssa_base_vregs->num_used));
842 return GET_ELEM_N(cu->ssa_base_vregs, int, ssa_reg);
buzbee67bf8852011-08-17 17:51:35 -0700843}
844
buzbeefa57c472012-11-21 12:06:18 -0800845int SRegToSubscript(const CompilationUnit* cu, int ssa_reg)
buzbeee1965672012-03-11 18:39:19 -0700846{
buzbeefa57c472012-11-21 12:06:18 -0800847 DCHECK(ssa_reg < static_cast<int>(cu->ssa_subscripts->num_used));
848 return GET_ELEM_N(cu->ssa_subscripts, int, ssa_reg);
buzbeee1965672012-03-11 18:39:19 -0700849}
850
buzbeefa57c472012-11-21 12:06:18 -0800851static int GetSSAUseCount(CompilationUnit* cu, int s_reg)
buzbee84fd6932012-03-29 16:44:16 -0700852{
buzbeefa57c472012-11-21 12:06:18 -0800853 DCHECK(s_reg < static_cast<int>(cu->raw_use_counts.num_used));
854 return cu->raw_use_counts.elem_list[s_reg];
buzbee84fd6932012-03-29 16:44:16 -0700855}
856
857
buzbeefa57c472012-11-21 12:06:18 -0800858char* GetDalvikDisassembly(CompilationUnit* cu,
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;
buzbeefa57c472012-11-21 12:06:18 -0800863 int df_attributes = oat_data_flow_attributes[opcode];
Bill Buzbeea114add2012-05-03 15:00:40 -0700864 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) {
buzbeefa57c472012-11-21 12:06:18 -0800887 Instruction::Format dalvik_format = Instruction::FormatOf(insn.opcode);
Bill Buzbeea114add2012-05-03 15:00:40 -0700888 int offset = 0;
buzbeefa57c472012-11-21 12:06:18 -0800889 switch (dalvik_format) {
Bill Buzbeea114add2012-05-03 15:00:40 -0700890 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:
buzbeefa57c472012-11-21 12:06:18 -0800904 LOG(FATAL) << "Unexpected branch format " << dalvik_format << " 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));
buzbeefa57c472012-11-21 12:06:18 -0800909 } else if (df_attributes & DF_FORMAT_35C) {
Bill Buzbeea114add2012-05-03 15:00:40 -0700910 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 }
buzbeefa57c472012-11-21 12:06:18 -0800916 else if (df_attributes & 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 {
buzbeefa57c472012-11-21 12:06:18 -0800919 if (df_attributes & 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 }
buzbeefa57c472012-11-21 12:06:18 -0800922 if (df_attributes & 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 }
buzbeefa57c472012-11-21 12:06:18 -0800927 if (df_attributes & 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;
buzbeefa57c472012-11-21 12:06:18 -0800934 ret = static_cast<char*>(NewMem(cu, 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
buzbeefa57c472012-11-21 12:06:18 -0800939static std::string GetSSAName(const CompilationUnit* cu, int ssa_reg)
buzbee67bf8852011-08-17 17:51:35 -0700940{
buzbeefa57c472012-11-21 12:06:18 -0800941 return StringPrintf("v%d_%d", SRegToVReg(cu, ssa_reg),
942 SRegToSubscript(cu, ssa_reg));
buzbee67bf8852011-08-17 17:51:35 -0700943}
944
945/*
946 * Dalvik instruction disassembler with optional SSA printing.
947 */
buzbeefa57c472012-11-21 12:06:18 -0800948char* FullDisassembler(CompilationUnit* cu, 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;
buzbeefa57c472012-11-21 12:06:18 -0800953 int df_attributes = oat_data_flow_attributes[opcode];
Bill Buzbeea114add2012-05-03 15:00:40 -0700954 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",
buzbeefa57c472012-11-21 12:06:18 -0800961 GetSSAName(cu, mir->ssa_rep->defs[0]).c_str(),
962 GetSSAName(cu, mir->ssa_rep->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;
buzbeefa57c472012-11-21 12:06:18 -0800965 for (i = 1; i < mir->ssa_rep->num_uses; i++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700966 str.append(StringPrintf(", %s:%d",
buzbeefa57c472012-11-21 12:06:18 -0800967 GetSSAName(cu, mir->ssa_rep->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 ");
buzbeefa57c472012-11-21 12:06:18 -0800973 str.append(Instruction::Name(mir->meta.throw_insn->dalvikInsn.opcode));
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700974 } 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) {
buzbeefa57c472012-11-21 12:06:18 -0800986 Instruction::Format dalvik_format = Instruction::FormatOf(insn->opcode);
Bill Buzbeea114add2012-05-03 15:00:40 -0700987 int delta = 0;
buzbeefa57c472012-11-21 12:06:18 -0800988 switch (dalvik_format) {
Bill Buzbeea114add2012-05-03 15:00:40 -0700989 case Instruction::k21t:
Bill Buzbeec9f40dd2012-08-15 11:35:25 -0700990 str.append(StringPrintf(" %s, ",
buzbeefa57c472012-11-21 12:06:18 -0800991 GetSSAName(cu, mir->ssa_rep->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, ",
buzbeefa57c472012-11-21 12:06:18 -0800996 GetSSAName(cu, mir->ssa_rep->uses[0]).c_str(),
997 GetSSAName(cu, mir->ssa_rep->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:
buzbeefa57c472012-11-21 12:06:18 -08001006 LOG(FATAL) << "Unexpected branch format: " << dalvik_format;
Bill Buzbeea114add2012-05-03 15:00:40 -07001007 }
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001008 str.append(StringPrintf(" %04x", mir->offset + delta));
buzbeefa57c472012-11-21 12:06:18 -08001009 } else if (df_attributes & (DF_FORMAT_35C | DF_FORMAT_3RC)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001010 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(" ");
buzbeefa57c472012-11-21 12:06:18 -08001014 str.append(GetSSAName(cu, mir->ssa_rep->uses[i]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001015 }
1016 } else {
buzbeefa57c472012-11-21 12:06:18 -08001017 int ud_idx;
1018 if (mir->ssa_rep->num_defs) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001019
buzbeefa57c472012-11-21 12:06:18 -08001020 for (ud_idx = 0; ud_idx < mir->ssa_rep->num_defs; ud_idx++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001021 str.append(" ");
buzbeefa57c472012-11-21 12:06:18 -08001022 str.append(GetSSAName(cu, mir->ssa_rep->defs[ud_idx]));
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 }
buzbeefa57c472012-11-21 12:06:18 -08001026 if (mir->ssa_rep->num_uses) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001027 /* No leading ',' for the first use */
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001028 str.append(" ");
buzbeefa57c472012-11-21 12:06:18 -08001029 str.append(GetSSAName(cu, mir->ssa_rep->uses[0]));
1030 for (ud_idx = 1; ud_idx < mir->ssa_rep->num_uses; ud_idx++) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001031 str.append(", ");
buzbeefa57c472012-11-21 12:06:18 -08001032 str.append(GetSSAName(cu, mir->ssa_rep->uses[ud_idx]));
Bill Buzbeea114add2012-05-03 15:00:40 -07001033 }
1034 }
1035 if (static_cast<int>(opcode) < static_cast<int>(kMirOpFirst)) {
buzbeefa57c472012-11-21 12:06:18 -08001036 Instruction::Format dalvik_format = Instruction::FormatOf(insn->opcode);
1037 switch (dalvik_format) {
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;
buzbeefa57c472012-11-21 12:06:18 -08001065 ret = static_cast<char*>(NewMem(cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001070char* GetSSAString(CompilationUnit* cu, SSARepresentation* ssa_rep)
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
buzbeefa57c472012-11-21 12:06:18 -08001076 for (i = 0; i < ssa_rep->num_defs; i++) {
1077 int ssa_reg = ssa_rep->defs[i];
1078 str.append(StringPrintf("s%d(v%d_%d) ", ssa_reg,
1079 SRegToVReg(cu, ssa_reg),
1080 SRegToSubscript(cu, ssa_reg)));
Bill Buzbeea114add2012-05-03 15:00:40 -07001081 }
1082
buzbeefa57c472012-11-21 12:06:18 -08001083 if (ssa_rep->num_defs) {
Bill Buzbeec9f40dd2012-08-15 11:35:25 -07001084 str.append("<- ");
Bill Buzbeea114add2012-05-03 15:00:40 -07001085 }
1086
buzbeefa57c472012-11-21 12:06:18 -08001087 for (i = 0; i < ssa_rep->num_uses; i++) {
1088 int ssa_reg = ssa_rep->uses[i];
1089 str.append(StringPrintf("s%d(v%d_%d) ", ssa_reg, SRegToVReg(cu, ssa_reg),
1090 SRegToSubscript(cu, ssa_reg)));
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;
buzbeefa57c472012-11-21 12:06:18 -08001094 ret = static_cast<char*>(NewMem(cu, 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 */
buzbeefa57c472012-11-21 12:06:18 -08001100static void HandleLiveInUse(CompilationUnit* cu, ArenaBitVector* use_v, ArenaBitVector* def_v,
1101 ArenaBitVector* live_in_v, int dalvik_reg_id)
buzbee67bf8852011-08-17 17:51:35 -07001102{
buzbeefa57c472012-11-21 12:06:18 -08001103 SetBit(cu, use_v, dalvik_reg_id);
1104 if (!IsBitSet(def_v, dalvik_reg_id)) {
1105 SetBit(cu, live_in_v, dalvik_reg_id);
Bill Buzbeea114add2012-05-03 15:00:40 -07001106 }
buzbee67bf8852011-08-17 17:51:35 -07001107}
1108
1109/* Mark a reg as being defined */
buzbeefa57c472012-11-21 12:06:18 -08001110static void HandleDef(CompilationUnit* cu, ArenaBitVector* def_v, int dalvik_reg_id)
buzbee67bf8852011-08-17 17:51:35 -07001111{
buzbeefa57c472012-11-21 12:06:18 -08001112 SetBit(cu, def_v, dalvik_reg_id);
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 */
buzbeefa57c472012-11-21 12:06:18 -08001119bool FindLocalLiveIn(CompilationUnit* cu, BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001120{
Bill Buzbeea114add2012-05-03 15:00:40 -07001121 MIR* mir;
buzbeefa57c472012-11-21 12:06:18 -08001122 ArenaBitVector *use_v, *def_v, *live_in_v;
buzbee67bf8852011-08-17 17:51:35 -07001123
buzbeefa57c472012-11-21 12:06:18 -08001124 if (bb->data_flow_info == NULL) return false;
buzbee67bf8852011-08-17 17:51:35 -07001125
buzbeefa57c472012-11-21 12:06:18 -08001126 use_v = bb->data_flow_info->use_v =
1127 AllocBitVector(cu, cu->num_dalvik_registers, false, kBitMapUse);
1128 def_v = bb->data_flow_info->def_v =
1129 AllocBitVector(cu, cu->num_dalvik_registers, false, kBitMapDef);
1130 live_in_v = bb->data_flow_info->live_in_v =
1131 AllocBitVector(cu, cu->num_dalvik_registers, false,
Bill Buzbeea114add2012-05-03 15:00:40 -07001132 kBitMapLiveIn);
buzbee67bf8852011-08-17 17:51:35 -07001133
buzbeefa57c472012-11-21 12:06:18 -08001134 for (mir = bb->first_mir_insn; mir; mir = mir->next) {
1135 int df_attributes = oat_data_flow_attributes[mir->dalvikInsn.opcode];
1136 DecodedInstruction *d_insn = &mir->dalvikInsn;
buzbee67bf8852011-08-17 17:51:35 -07001137
buzbeefa57c472012-11-21 12:06:18 -08001138 if (df_attributes & DF_HAS_USES) {
1139 if (df_attributes & DF_UA) {
1140 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vA);
1141 if (df_attributes & DF_A_WIDE) {
1142 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vA+1);
buzbeebff24652012-05-06 16:22:05 -07001143 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001144 }
buzbeefa57c472012-11-21 12:06:18 -08001145 if (df_attributes & DF_UB) {
1146 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vB);
1147 if (df_attributes & DF_B_WIDE) {
1148 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vB+1);
buzbeebff24652012-05-06 16:22:05 -07001149 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001150 }
buzbeefa57c472012-11-21 12:06:18 -08001151 if (df_attributes & DF_UC) {
1152 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vC);
1153 if (df_attributes & DF_C_WIDE) {
1154 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vC+1);
buzbeebff24652012-05-06 16:22:05 -07001155 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001156 }
buzbee67bf8852011-08-17 17:51:35 -07001157 }
buzbeefa57c472012-11-21 12:06:18 -08001158 if (df_attributes & DF_FORMAT_35C) {
1159 for (unsigned int i = 0; i < d_insn->vA; i++) {
1160 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->arg[i]);
Bill Buzbeea114add2012-05-03 15:00:40 -07001161 }
1162 }
buzbeefa57c472012-11-21 12:06:18 -08001163 if (df_attributes & DF_FORMAT_3RC) {
1164 for (unsigned int i = 0; i < d_insn->vA; i++) {
1165 HandleLiveInUse(cu, use_v, def_v, live_in_v, d_insn->vC+i);
Bill Buzbeea114add2012-05-03 15:00:40 -07001166 }
1167 }
buzbeefa57c472012-11-21 12:06:18 -08001168 if (df_attributes & DF_HAS_DEFS) {
1169 HandleDef(cu, def_v, d_insn->vA);
1170 if (df_attributes & DF_A_WIDE) {
1171 HandleDef(cu, def_v, d_insn->vA+1);
Bill Buzbeea114add2012-05-03 15:00:40 -07001172 }
1173 }
1174 }
1175 return true;
buzbee67bf8852011-08-17 17:51:35 -07001176}
1177
buzbeefa57c472012-11-21 12:06:18 -08001178static int AddNewSReg(CompilationUnit* cu, int v_reg)
buzbeee1965672012-03-11 18:39:19 -07001179{
Bill Buzbeea114add2012-05-03 15:00:40 -07001180 // Compiler temps always have a subscript of 0
buzbeefa57c472012-11-21 12:06:18 -08001181 int subscript = (v_reg < 0) ? 0 : ++cu->ssa_last_defs[v_reg];
1182 int ssa_reg = cu->num_ssa_regs++;
1183 InsertGrowableList(cu, cu->ssa_base_vregs, v_reg);
1184 InsertGrowableList(cu, cu->ssa_subscripts, subscript);
1185 std::string ssa_name = GetSSAName(cu, ssa_reg);
1186 char* name = static_cast<char*>(NewMem(cu, ssa_name.length() + 1, false, kAllocDFInfo));
1187 strncpy(name, ssa_name.c_str(), ssa_name.length() + 1);
1188 InsertGrowableList(cu, cu->ssa_strings, reinterpret_cast<uintptr_t>(name));
1189 DCHECK_EQ(cu->ssa_base_vregs->num_used, cu->ssa_subscripts->num_used);
1190 return ssa_reg;
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 */
buzbeefa57c472012-11-21 12:06:18 -08001194static void HandleSSAUse(CompilationUnit* cu, int* uses, int dalvik_reg, int reg_index)
buzbee67bf8852011-08-17 17:51:35 -07001195{
buzbeefa57c472012-11-21 12:06:18 -08001196 DCHECK((dalvik_reg >= 0) && (dalvik_reg < cu->num_dalvik_registers));
1197 uses[reg_index] = cu->vreg_to_ssa_map[dalvik_reg];
buzbee67bf8852011-08-17 17:51:35 -07001198}
1199
1200/* Setup a new SSA register for a given Dalvik register */
buzbeefa57c472012-11-21 12:06:18 -08001201static void HandleSSADef(CompilationUnit* cu, int* defs, int dalvik_reg, int reg_index)
buzbee67bf8852011-08-17 17:51:35 -07001202{
buzbeefa57c472012-11-21 12:06:18 -08001203 DCHECK((dalvik_reg >= 0) && (dalvik_reg < cu->num_dalvik_registers));
1204 int ssa_reg = AddNewSReg(cu, dalvik_reg);
1205 cu->vreg_to_ssa_map[dalvik_reg] = ssa_reg;
1206 defs[reg_index] = ssa_reg;
buzbee67bf8852011-08-17 17:51:35 -07001207}
1208
buzbeeec5adf32011-09-11 15:25:43 -07001209/* Look up new SSA names for format_35c instructions */
buzbeefa57c472012-11-21 12:06:18 -08001210static void DataFlowSSAFormat35C(CompilationUnit* cu, MIR* mir)
buzbee67bf8852011-08-17 17:51:35 -07001211{
buzbeefa57c472012-11-21 12:06:18 -08001212 DecodedInstruction *d_insn = &mir->dalvikInsn;
1213 int num_uses = d_insn->vA;
Bill Buzbeea114add2012-05-03 15:00:40 -07001214 int i;
buzbee67bf8852011-08-17 17:51:35 -07001215
buzbeefa57c472012-11-21 12:06:18 -08001216 mir->ssa_rep->num_uses = num_uses;
1217 mir->ssa_rep->uses = static_cast<int*>(NewMem(cu, sizeof(int) * num_uses, true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001218 // NOTE: will be filled in during type & size inference pass
buzbeefa57c472012-11-21 12:06:18 -08001219 mir->ssa_rep->fp_use = static_cast<bool*>(NewMem(cu, sizeof(bool) * num_uses, true,
buzbeecbd6d442012-11-17 14:11:25 -08001220 kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001221
buzbeefa57c472012-11-21 12:06:18 -08001222 for (i = 0; i < num_uses; i++) {
1223 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->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 */
buzbeefa57c472012-11-21 12:06:18 -08001228static void DataFlowSSAFormat3RC(CompilationUnit* cu, MIR* mir)
buzbee67bf8852011-08-17 17:51:35 -07001229{
buzbeefa57c472012-11-21 12:06:18 -08001230 DecodedInstruction *d_insn = &mir->dalvikInsn;
1231 int num_uses = d_insn->vA;
Bill Buzbeea114add2012-05-03 15:00:40 -07001232 int i;
buzbee67bf8852011-08-17 17:51:35 -07001233
buzbeefa57c472012-11-21 12:06:18 -08001234 mir->ssa_rep->num_uses = num_uses;
1235 mir->ssa_rep->uses = static_cast<int*>(NewMem(cu, sizeof(int) * num_uses, true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001236 // NOTE: will be filled in during type & size inference pass
buzbeefa57c472012-11-21 12:06:18 -08001237 mir->ssa_rep->fp_use = static_cast<bool*>(NewMem(cu, sizeof(bool) * num_uses, true,
buzbeecbd6d442012-11-17 14:11:25 -08001238 kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001239
buzbeefa57c472012-11-21 12:06:18 -08001240 for (i = 0; i < num_uses; i++) {
1241 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->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 */
buzbeefa57c472012-11-21 12:06:18 -08001246bool DoSSAConversion(CompilationUnit* cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001250 if (bb->data_flow_info == NULL) return false;
buzbee67bf8852011-08-17 17:51:35 -07001251
buzbeefa57c472012-11-21 12:06:18 -08001252 for (mir = bb->first_mir_insn; mir; mir = mir->next) {
1253 mir->ssa_rep = static_cast<struct SSARepresentation *>(NewMem(cu, sizeof(SSARepresentation),
buzbeecbd6d442012-11-17 14:11:25 -08001254 true, kAllocDFInfo));
buzbee67bf8852011-08-17 17:51:35 -07001255
buzbeefa57c472012-11-21 12:06:18 -08001256 int df_attributes = oat_data_flow_attributes[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) {
buzbeefa57c472012-11-21 12:06:18 -08001264 cu->attrs &= ~METHOD_IS_THROW_FREE;
Bill Buzbeea114add2012-05-03 15:00:40 -07001265 }
buzbeecefd1872011-09-09 09:59:52 -07001266
Bill Buzbeea114add2012-05-03 15:00:40 -07001267 if (flags & Instruction::kInvoke) {
buzbeefa57c472012-11-21 12:06:18 -08001268 cu->attrs &= ~METHOD_IS_LEAF;
Bill Buzbeea114add2012-05-03 15:00:40 -07001269 }
buzbee67bf8852011-08-17 17:51:35 -07001270 }
1271
buzbeefa57c472012-11-21 12:06:18 -08001272 int num_uses = 0;
buzbee67bf8852011-08-17 17:51:35 -07001273
buzbeefa57c472012-11-21 12:06:18 -08001274 if (df_attributes & DF_FORMAT_35C) {
1275 DataFlowSSAFormat35C(cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001279 if (df_attributes & DF_FORMAT_3RC) {
1280 DataFlowSSAFormat3RC(cu, mir);
Bill Buzbeea114add2012-05-03 15:00:40 -07001281 continue;
1282 }
1283
buzbeefa57c472012-11-21 12:06:18 -08001284 if (df_attributes & DF_HAS_USES) {
1285 if (df_attributes & DF_UA) {
1286 num_uses++;
1287 if (df_attributes & DF_A_WIDE) {
1288 num_uses ++;
buzbeebff24652012-05-06 16:22:05 -07001289 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001290 }
buzbeefa57c472012-11-21 12:06:18 -08001291 if (df_attributes & DF_UB) {
1292 num_uses++;
1293 if (df_attributes & DF_B_WIDE) {
1294 num_uses ++;
buzbeebff24652012-05-06 16:22:05 -07001295 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001296 }
buzbeefa57c472012-11-21 12:06:18 -08001297 if (df_attributes & DF_UC) {
1298 num_uses++;
1299 if (df_attributes & DF_C_WIDE) {
1300 num_uses ++;
buzbeebff24652012-05-06 16:22:05 -07001301 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001302 }
1303 }
1304
buzbeefa57c472012-11-21 12:06:18 -08001305 if (num_uses) {
1306 mir->ssa_rep->num_uses = num_uses;
1307 mir->ssa_rep->uses = static_cast<int*>(NewMem(cu, sizeof(int) * num_uses, false,
buzbeecbd6d442012-11-17 14:11:25 -08001308 kAllocDFInfo));
buzbeefa57c472012-11-21 12:06:18 -08001309 mir->ssa_rep->fp_use = static_cast<bool*>(NewMem(cu, sizeof(bool) * num_uses, false,
buzbeecbd6d442012-11-17 14:11:25 -08001310 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001311 }
1312
buzbeefa57c472012-11-21 12:06:18 -08001313 int num_defs = 0;
Bill Buzbeea114add2012-05-03 15:00:40 -07001314
buzbeefa57c472012-11-21 12:06:18 -08001315 if (df_attributes & DF_HAS_DEFS) {
1316 num_defs++;
1317 if (df_attributes & DF_A_WIDE) {
1318 num_defs++;
Bill Buzbeea114add2012-05-03 15:00:40 -07001319 }
1320 }
1321
buzbeefa57c472012-11-21 12:06:18 -08001322 if (num_defs) {
1323 mir->ssa_rep->num_defs = num_defs;
1324 mir->ssa_rep->defs = static_cast<int*>(NewMem(cu, sizeof(int) * num_defs, false,
buzbeecbd6d442012-11-17 14:11:25 -08001325 kAllocDFInfo));
buzbeefa57c472012-11-21 12:06:18 -08001326 mir->ssa_rep->fp_def = static_cast<bool*>(NewMem(cu, sizeof(bool) * num_defs, false,
buzbeecbd6d442012-11-17 14:11:25 -08001327 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001328 }
1329
buzbeefa57c472012-11-21 12:06:18 -08001330 DecodedInstruction *d_insn = &mir->dalvikInsn;
Bill Buzbeea114add2012-05-03 15:00:40 -07001331
buzbeefa57c472012-11-21 12:06:18 -08001332 if (df_attributes & DF_HAS_USES) {
1333 num_uses = 0;
1334 if (df_attributes & DF_UA) {
1335 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_A;
1336 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vA, num_uses++);
1337 if (df_attributes & DF_A_WIDE) {
1338 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_A;
1339 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vA+1, num_uses++);
buzbeebff24652012-05-06 16:22:05 -07001340 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001341 }
buzbeefa57c472012-11-21 12:06:18 -08001342 if (df_attributes & DF_UB) {
1343 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_B;
1344 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vB, num_uses++);
1345 if (df_attributes & DF_B_WIDE) {
1346 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_B;
1347 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vB+1, num_uses++);
buzbeebff24652012-05-06 16:22:05 -07001348 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001349 }
buzbeefa57c472012-11-21 12:06:18 -08001350 if (df_attributes & DF_UC) {
1351 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_C;
1352 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vC, num_uses++);
1353 if (df_attributes & DF_C_WIDE) {
1354 mir->ssa_rep->fp_use[num_uses] = df_attributes & DF_FP_C;
1355 HandleSSAUse(cu, mir->ssa_rep->uses, d_insn->vC+1, num_uses++);
buzbeebff24652012-05-06 16:22:05 -07001356 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001357 }
1358 }
buzbeefa57c472012-11-21 12:06:18 -08001359 if (df_attributes & DF_HAS_DEFS) {
1360 mir->ssa_rep->fp_def[0] = df_attributes & DF_FP_A;
1361 HandleSSADef(cu, mir->ssa_rep->defs, d_insn->vA, 0);
1362 if (df_attributes & DF_A_WIDE) {
1363 mir->ssa_rep->fp_def[1] = df_attributes & DF_FP_A;
1364 HandleSSADef(cu, mir->ssa_rep->defs, d_insn->vA+1, 1);
Bill Buzbeea114add2012-05-03 15:00:40 -07001365 }
1366 }
1367 }
1368
buzbeefa57c472012-11-21 12:06:18 -08001369 if (!cu->disable_dataflow) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001370 /*
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 */
buzbeefa57c472012-11-21 12:06:18 -08001375 bb->data_flow_info->vreg_to_ssa_map =
1376 static_cast<int*>(NewMem(cu, sizeof(int) * cu->num_dalvik_registers, false,
buzbeecbd6d442012-11-17 14:11:25 -08001377 kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001378
buzbeefa57c472012-11-21 12:06:18 -08001379 memcpy(bb->data_flow_info->vreg_to_ssa_map, cu->vreg_to_ssa_map,
1380 sizeof(int) * cu->num_dalvik_registers);
Bill Buzbeea114add2012-05-03 15:00:40 -07001381 }
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 */
buzbeefa57c472012-11-21 12:06:18 -08001386static void SetConstant(CompilationUnit* cu, int ssa_reg, int value)
buzbee67bf8852011-08-17 17:51:35 -07001387{
buzbeefa57c472012-11-21 12:06:18 -08001388 SetBit(cu, cu->is_constant_v, ssa_reg);
1389 cu->constant_values[ssa_reg] = value;
buzbee67bf8852011-08-17 17:51:35 -07001390}
1391
buzbeefa57c472012-11-21 12:06:18 -08001392bool DoConstantPropogation(CompilationUnit* cu, BasicBlock* bb)
buzbee67bf8852011-08-17 17:51:35 -07001393{
Bill Buzbeea114add2012-05-03 15:00:40 -07001394 MIR* mir;
buzbeefa57c472012-11-21 12:06:18 -08001395 ArenaBitVector *is_constant_v = cu->is_constant_v;
buzbee67bf8852011-08-17 17:51:35 -07001396
buzbeefa57c472012-11-21 12:06:18 -08001397 for (mir = bb->first_mir_insn; mir; mir = mir->next) {
1398 int df_attributes = oat_data_flow_attributes[mir->dalvikInsn.opcode];
buzbee67bf8852011-08-17 17:51:35 -07001399
buzbeefa57c472012-11-21 12:06:18 -08001400 DecodedInstruction *d_insn = &mir->dalvikInsn;
buzbee67bf8852011-08-17 17:51:35 -07001401
buzbeefa57c472012-11-21 12:06:18 -08001402 if (!(df_attributes & 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 */
buzbeefa57c472012-11-21 12:06:18 -08001405 if (df_attributes & DF_SETS_CONST) {
1406 if (df_attributes & DF_DA) {
1407 switch (d_insn->opcode) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001408 case Instruction::CONST_4:
1409 case Instruction::CONST_16:
1410 case Instruction::CONST:
buzbeefa57c472012-11-21 12:06:18 -08001411 SetConstant(cu, mir->ssa_rep->defs[0], d_insn->vB);
Bill Buzbeea114add2012-05-03 15:00:40 -07001412 break;
1413 case Instruction::CONST_HIGH16:
buzbeefa57c472012-11-21 12:06:18 -08001414 SetConstant(cu, mir->ssa_rep->defs[0], d_insn->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:
buzbeefa57c472012-11-21 12:06:18 -08001418 SetConstant(cu, mir->ssa_rep->defs[0], d_insn->vB);
1419 SetConstant(cu, mir->ssa_rep->defs[1], 0);
buzbeebff24652012-05-06 16:22:05 -07001420 break;
1421 case Instruction::CONST_WIDE:
buzbeefa57c472012-11-21 12:06:18 -08001422 SetConstant(cu, mir->ssa_rep->defs[0], static_cast<int>(d_insn->vB_wide));
1423 SetConstant(cu, mir->ssa_rep->defs[1], static_cast<int>(d_insn->vB_wide >> 32));
buzbeebff24652012-05-06 16:22:05 -07001424 break;
1425 case Instruction::CONST_WIDE_HIGH16:
buzbeefa57c472012-11-21 12:06:18 -08001426 SetConstant(cu, mir->ssa_rep->defs[0], 0);
1427 SetConstant(cu, mir->ssa_rep->defs[1], d_insn->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 */
buzbeefa57c472012-11-21 12:06:18 -08001434 } else if (df_attributes & DF_IS_MOVE) {
buzbee2cfc6392012-05-07 14:51:40 -07001435 int i;
buzbee67bf8852011-08-17 17:51:35 -07001436
buzbeefa57c472012-11-21 12:06:18 -08001437 for (i = 0; i < mir->ssa_rep->num_uses; i++) {
1438 if (!IsBitSet(is_constant_v, mir->ssa_rep->uses[i])) break;
Bill Buzbeea114add2012-05-03 15:00:40 -07001439 }
1440 /* Move a register holding a constant to another register */
buzbeefa57c472012-11-21 12:06:18 -08001441 if (i == mir->ssa_rep->num_uses) {
1442 SetConstant(cu, mir->ssa_rep->defs[0],
1443 cu->constant_values[mir->ssa_rep->uses[0]]);
1444 if (df_attributes & DF_A_WIDE) {
1445 SetConstant(cu, mir->ssa_rep->defs[1],
1446 cu->constant_values[mir->ssa_rep->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 */
buzbeefa57c472012-11-21 12:06:18 -08001456void CompilerInitializeSSAConversion(CompilationUnit* cu)
buzbee67bf8852011-08-17 17:51:35 -07001457{
Bill Buzbeea114add2012-05-03 15:00:40 -07001458 int i;
buzbeefa57c472012-11-21 12:06:18 -08001459 int num_dalvik_reg = cu->num_dalvik_registers;
buzbee67bf8852011-08-17 17:51:35 -07001460
buzbeefa57c472012-11-21 12:06:18 -08001461 cu->ssa_base_vregs =
1462 static_cast<GrowableList*>(NewMem(cu, sizeof(GrowableList), false, kAllocDFInfo));
1463 cu->ssa_subscripts =
1464 static_cast<GrowableList*>(NewMem(cu, sizeof(GrowableList), false, kAllocDFInfo));
1465 cu->ssa_strings =
1466 static_cast<GrowableList*>(NewMem(cu, sizeof(GrowableList), false, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001467 // Create the ssa mappings, estimating the max size
buzbeefa57c472012-11-21 12:06:18 -08001468 CompilerInitGrowableList(cu, cu->ssa_base_vregs,
1469 num_dalvik_reg + cu->def_count + 128,
Bill Buzbeea114add2012-05-03 15:00:40 -07001470 kListSSAtoDalvikMap);
buzbeefa57c472012-11-21 12:06:18 -08001471 CompilerInitGrowableList(cu, cu->ssa_subscripts,
1472 num_dalvik_reg + cu->def_count + 128,
Bill Buzbeea114add2012-05-03 15:00:40 -07001473 kListSSAtoDalvikMap);
buzbeefa57c472012-11-21 12:06:18 -08001474 CompilerInitGrowableList(cu, cu->ssa_strings,
1475 num_dalvik_reg + cu->def_count + 128,
buzbee2cfc6392012-05-07 14:51:40 -07001476 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 */
buzbeefa57c472012-11-21 12:06:18 -08001481 cu->num_ssa_regs = num_dalvik_reg;
buzbee67bf8852011-08-17 17:51:35 -07001482
Bill Buzbeea114add2012-05-03 15:00:40 -07001483 /*
buzbeefa57c472012-11-21 12:06:18 -08001484 * Initialize the SSA2Dalvik map list. For the first num_dalvik_reg elements,
Bill Buzbeea114add2012-05-03 15:00:40 -07001485 * the subscript is 0 so we use the ENCODE_REG_SUB macro to encode the value
1486 * into "(0 << 16) | i"
1487 */
buzbeefa57c472012-11-21 12:06:18 -08001488 for (i = 0; i < num_dalvik_reg; i++) {
1489 InsertGrowableList(cu, cu->ssa_base_vregs, i);
1490 InsertGrowableList(cu, cu->ssa_subscripts, 0);
1491 std::string ssa_name = GetSSAName(cu, i);
1492 char* name = static_cast<char*>(NewMem(cu, ssa_name.length() + 1, true, kAllocDFInfo));
1493 strncpy(name, ssa_name.c_str(), ssa_name.length() + 1);
1494 InsertGrowableList(cu, cu->ssa_strings, 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 */
buzbeefa57c472012-11-21 12:06:18 -08001501 cu->vreg_to_ssa_map =
1502 static_cast<int*>(NewMem(cu, sizeof(int) * num_dalvik_reg, false, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07001503 /* Keep track of the higest def for each dalvik reg */
buzbeefa57c472012-11-21 12:06:18 -08001504 cu->ssa_last_defs =
1505 static_cast<int*>(NewMem(cu, sizeof(int) * num_dalvik_reg, false, kAllocDFInfo));
buzbeef0cde542011-09-13 14:55:02 -07001506
buzbeefa57c472012-11-21 12:06:18 -08001507 for (i = 0; i < num_dalvik_reg; i++) {
1508 cu->vreg_to_ssa_map[i] = i;
1509 cu->ssa_last_defs[i] = 0;
Bill Buzbeea114add2012-05-03 15:00:40 -07001510 }
buzbee67bf8852011-08-17 17:51:35 -07001511
Bill Buzbeea114add2012-05-03 15:00:40 -07001512 /* Add ssa reg for Method* */
buzbeefa57c472012-11-21 12:06:18 -08001513 cu->method_sreg = AddNewSReg(cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001520 GrowableListIteratorInit(&cu->block_list, &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;
buzbeefa57c472012-11-21 12:06:18 -08001526 if (bb->block_type == kDalvikByteCode ||
1527 bb->block_type == kEntryBlock ||
1528 bb->block_type == kExitBlock) {
1529 bb->data_flow_info = static_cast<BasicBlockDataFlow*>(NewMem(cu, 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 */
buzbeefa57c472012-11-21 12:06:18 -08001536bool ClearVisitedFlag(struct CompilationUnit* cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001542void DataFlowAnalysisDispatcher(CompilationUnit* cu,
Bill Buzbeea114add2012-05-03 15:00:40 -07001543 bool (*func)(CompilationUnit*, BasicBlock*),
buzbeefa57c472012-11-21 12:06:18 -08001544 DataFlowAnalysisMode dfa_mode,
1545 bool is_iterative)
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
buzbeefa57c472012-11-21 12:06:18 -08001552 switch (dfa_mode) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001553 /* Scan all blocks and perform the operations specified in func */
1554 case kAllNodes:
1555 {
1556 GrowableListIterator iterator;
buzbeefa57c472012-11-21 12:06:18 -08001557 GrowableListIteratorInit(&cu->block_list, &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;
buzbeefa57c472012-11-21 12:06:18 -08001562 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001563 }
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 {
buzbeefa57c472012-11-21 12:06:18 -08001569 int num_reachable_blocks = cu->num_reachable_blocks;
Bill Buzbeea114add2012-05-03 15:00:40 -07001570 int idx;
buzbeefa57c472012-11-21 12:06:18 -08001571 const GrowableList *block_list = &cu->block_list;
Bill Buzbeea114add2012-05-03 15:00:40 -07001572
buzbeefa57c472012-11-21 12:06:18 -08001573 for (idx = 0; idx < num_reachable_blocks; idx++) {
1574 int block_idx = cu->dfs_order.elem_list[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001575 BasicBlock* bb =
buzbeefa57c472012-11-21 12:06:18 -08001576 reinterpret_cast<BasicBlock*>( GrowableListGetElement(block_list, block_idx));
1577 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001578 }
1579 }
1580 break;
1581
1582 /* Scan reachable blocks by pre-order dfs and invoke func on each. */
1583 case kPreOrderDFSTraversal:
1584 {
buzbeefa57c472012-11-21 12:06:18 -08001585 int num_reachable_blocks = cu->num_reachable_blocks;
Bill Buzbeea114add2012-05-03 15:00:40 -07001586 int idx;
buzbeefa57c472012-11-21 12:06:18 -08001587 const GrowableList *block_list = &cu->block_list;
Bill Buzbeea114add2012-05-03 15:00:40 -07001588
buzbeefa57c472012-11-21 12:06:18 -08001589 for (idx = 0; idx < num_reachable_blocks; idx++) {
1590 int dfs_idx = cu->dfs_order.elem_list[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001591 BasicBlock* bb =
buzbeefa57c472012-11-21 12:06:18 -08001592 reinterpret_cast<BasicBlock*>(GrowableListGetElement(block_list, dfs_idx));
1593 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001594 }
1595 }
1596 break;
1597 /* Scan reachable blocks post-order dfs and invoke func on each. */
1598 case kPostOrderDFSTraversal:
1599 {
buzbeefa57c472012-11-21 12:06:18 -08001600 int num_reachable_blocks = cu->num_reachable_blocks;
Bill Buzbeea114add2012-05-03 15:00:40 -07001601 int idx;
buzbeefa57c472012-11-21 12:06:18 -08001602 const GrowableList *block_list = &cu->block_list;
Bill Buzbeea114add2012-05-03 15:00:40 -07001603
buzbeefa57c472012-11-21 12:06:18 -08001604 for (idx = num_reachable_blocks - 1; idx >= 0; idx--) {
1605 int dfs_idx = cu->dfs_order.elem_list[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001606 BasicBlock* bb =
buzbeefa57c472012-11-21 12:06:18 -08001607 reinterpret_cast<BasicBlock *>( GrowableListGetElement(block_list, dfs_idx));
1608 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001609 }
1610 }
1611 break;
1612 /* Scan reachable post-order dom tree and invoke func on each. */
1613 case kPostOrderDOMTraversal:
1614 {
buzbeefa57c472012-11-21 12:06:18 -08001615 int num_reachable_blocks = cu->num_reachable_blocks;
Bill Buzbeea114add2012-05-03 15:00:40 -07001616 int idx;
buzbeefa57c472012-11-21 12:06:18 -08001617 const GrowableList *block_list = &cu->block_list;
Bill Buzbeea114add2012-05-03 15:00:40 -07001618
buzbeefa57c472012-11-21 12:06:18 -08001619 for (idx = 0; idx < num_reachable_blocks; idx++) {
1620 int dom_idx = cu->dom_post_order_traversal.elem_list[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001621 BasicBlock* bb =
buzbeefa57c472012-11-21 12:06:18 -08001622 reinterpret_cast<BasicBlock*>( GrowableListGetElement(block_list, dom_idx));
1623 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001624 }
1625 }
1626 break;
1627 /* Scan reachable blocks reverse post-order dfs, invoke func on each */
1628 case kReversePostOrderTraversal:
1629 {
buzbeefa57c472012-11-21 12:06:18 -08001630 int num_reachable_blocks = cu->num_reachable_blocks;
Bill Buzbeea114add2012-05-03 15:00:40 -07001631 int idx;
buzbeefa57c472012-11-21 12:06:18 -08001632 const GrowableList *block_list = &cu->block_list;
Bill Buzbeea114add2012-05-03 15:00:40 -07001633
buzbeefa57c472012-11-21 12:06:18 -08001634 for (idx = num_reachable_blocks - 1; idx >= 0; idx--) {
1635 int rev_idx = cu->dfs_post_order.elem_list[idx];
buzbeecbd6d442012-11-17 14:11:25 -08001636 BasicBlock* bb =
buzbeefa57c472012-11-21 12:06:18 -08001637 reinterpret_cast<BasicBlock*>(GrowableListGetElement(block_list, rev_idx));
1638 change |= (*func)(cu, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07001639 }
1640 }
1641 break;
1642 default:
buzbeefa57c472012-11-21 12:06:18 -08001643 LOG(FATAL) << "Unknown traversal mode: " << dfa_mode;
buzbee67bf8852011-08-17 17:51:35 -07001644 }
buzbeefa57c472012-11-21 12:06:18 -08001645 /* If is_iterative is false, exit the loop after the first iteration */
1646 change &= is_iterative;
Bill Buzbeea114add2012-05-03 15:00:40 -07001647 }
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 */
buzbeefa57c472012-11-21 12:06:18 -08001651static MIR* AdvanceMIR(CompilationUnit* cu, BasicBlock** p_bb, MIR* mir,
1652 ArenaBitVector* bv, bool clear_mark) {
1653 BasicBlock* bb = *p_bb;
Bill Buzbeea114add2012-05-03 15:00:40 -07001654 if (mir != NULL) {
1655 mir = mir->next;
1656 if (mir == NULL) {
buzbeefa57c472012-11-21 12:06:18 -08001657 bb = bb->fall_through;
1658 if ((bb == NULL) || bb->predecessors->num_used != 1) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001659 mir = NULL;
1660 } else {
1661 if (bv) {
buzbeefa57c472012-11-21 12:06:18 -08001662 SetBit(cu, bv, bb->id);
buzbeee1965672012-03-11 18:39:19 -07001663 }
buzbeefa57c472012-11-21 12:06:18 -08001664 *p_bb = bb;
1665 mir = bb->first_mir_insn;
Bill Buzbeea114add2012-05-03 15:00:40 -07001666 }
buzbeee1965672012-03-11 18:39:19 -07001667 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001668 }
buzbeefa57c472012-11-21 12:06:18 -08001669 if (mir && clear_mark) {
1670 mir->optimization_flags &= ~MIR_MARK;
Bill Buzbeea114add2012-05-03 15:00:40 -07001671 }
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 */
buzbeefa57c472012-11-21 12:06:18 -08001682MIR* FindMoveResult(CompilationUnit* cu, BasicBlock* bb, MIR* mir)
buzbeefc9e6fa2012-03-23 15:14:29 -07001683{
Bill Buzbeea114add2012-05-03 15:00:40 -07001684 BasicBlock* tbb = bb;
buzbeefa57c472012-11-21 12:06:18 -08001685 mir = AdvanceMIR(cu, &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 {
buzbeefa57c472012-11-21 12:06:18 -08001697 mir = AdvanceMIR(cu, &tbb, mir, NULL, false);
Bill Buzbeea114add2012-05-03 15:00:40 -07001698 }
1699 }
1700 return mir;
buzbeefc9e6fa2012-03-23 15:14:29 -07001701}
1702
buzbeefa57c472012-11-21 12:06:18 -08001703static void SquashDupRangeChecks(CompilationUnit* cu, BasicBlock** p_bp, MIR* mir,
1704 int array_sreg, int index_sreg)
buzbee239c4e72012-03-16 08:42:29 -07001705{
Bill Buzbeea114add2012-05-03 15:00:40 -07001706 while (true) {
buzbeefa57c472012-11-21 12:06:18 -08001707 mir = AdvanceMIR(cu, p_bp, mir, NULL, false);
Bill Buzbeea114add2012-05-03 15:00:40 -07001708 if (!mir) {
1709 break;
buzbee239c4e72012-03-16 08:42:29 -07001710 }
buzbeefa57c472012-11-21 12:06:18 -08001711 if ((mir->ssa_rep == NULL) ||
1712 (mir->optimization_flags & MIR_IGNORE_RANGE_CHECK)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001713 continue;
1714 }
buzbeefa57c472012-11-21 12:06:18 -08001715 int check_array = INVALID_SREG;
1716 int check_index = INVALID_SREG;
Bill Buzbeea114add2012-05-03 15:00:40 -07001717 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:
buzbeefa57c472012-11-21 12:06:18 -08001725 check_array = mir->ssa_rep->uses[0];
1726 check_index = mir->ssa_rep->uses[1];
Bill Buzbeea114add2012-05-03 15:00:40 -07001727 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:
buzbeefa57c472012-11-21 12:06:18 -08001734 check_array = mir->ssa_rep->uses[1];
1735 check_index = mir->ssa_rep->uses[2];
Bill Buzbeea114add2012-05-03 15:00:40 -07001736 break;
1737 case Instruction::APUT_WIDE:
buzbeefa57c472012-11-21 12:06:18 -08001738 check_array = mir->ssa_rep->uses[2];
1739 check_index = mir->ssa_rep->uses[3];
Bill Buzbeea114add2012-05-03 15:00:40 -07001740 default:
1741 break;
1742 }
buzbeefa57c472012-11-21 12:06:18 -08001743 if (check_array == INVALID_SREG) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001744 continue;
1745 }
buzbeefa57c472012-11-21 12:06:18 -08001746 if ((array_sreg == check_array) && (index_sreg == check_index)) {
1747 if (cu->verbose) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001748 LOG(INFO) << "Squashing range check @ 0x" << std::hex << mir->offset;
1749 }
buzbeefa57c472012-11-21 12:06:18 -08001750 mir->optimization_flags |= MIR_IGNORE_RANGE_CHECK;
Bill Buzbeea114add2012-05-03 15:00:40 -07001751 }
1752 }
buzbee239c4e72012-03-16 08:42:29 -07001753}
1754
buzbeee1965672012-03-11 18:39:19 -07001755/* Do some MIR-level basic block optimizations */
buzbeefa57c472012-11-21 12:06:18 -08001756static bool BasicBlockOpt(CompilationUnit* cu, BasicBlock* bb)
buzbeee1965672012-03-11 18:39:19 -07001757{
buzbeefa57c472012-11-21 12:06:18 -08001758 int num_temps = 0;
buzbeee1965672012-03-11 18:39:19 -07001759
buzbeefa57c472012-11-21 12:06:18 -08001760 for (MIR* mir = bb->first_mir_insn; mir; mir = mir->next) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001761 // 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:
buzbeefa57c472012-11-21 12:06:18 -08001771 if (!(mir->optimization_flags & MIR_IGNORE_RANGE_CHECK)) {
1772 int arr_sreg = mir->ssa_rep->uses[0];
1773 int idx_sreg = mir->ssa_rep->uses[1];
Bill Buzbeea114add2012-05-03 15:00:40 -07001774 BasicBlock* tbb = bb;
buzbeefa57c472012-11-21 12:06:18 -08001775 SquashDupRangeChecks(cu, &tbb, mir, arr_sreg, idx_sreg);
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:
buzbeefa57c472012-11-21 12:06:18 -08001785 if (!(mir->optimization_flags & MIR_IGNORE_RANGE_CHECK)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001786 int start = (opcode == Instruction::APUT_WIDE) ? 2 : 1;
buzbeefa57c472012-11-21 12:06:18 -08001787 int arr_sreg = mir->ssa_rep->uses[start];
1788 int idx_sreg = mir->ssa_rep->uses[start + 1];
Bill Buzbeea114add2012-05-03 15:00:40 -07001789 BasicBlock* tbb = bb;
buzbeefa57c472012-11-21 12:06:18 -08001790 SquashDupRangeChecks(cu, &tbb, mir, arr_sreg, idx_sreg);
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:
buzbeefa57c472012-11-21 12:06:18 -08001798 if (cu->gen_bitcode) {
buzbeeca7a5e42012-08-20 11:12:18 -07001799 // Bitcode doesn't allow this optimization.
1800 break;
1801 }
Bill Buzbeea114add2012-05-03 15:00:40 -07001802 if (mir->next != NULL) {
buzbeefa57c472012-11-21 12:06:18 -08001803 MIR* mir_next = mir->next;
1804 Instruction::Code br_opcode = mir_next->dalvikInsn.opcode;
Bill Buzbeea114add2012-05-03 15:00:40 -07001805 ConditionCode ccode = kCondNv;
buzbeefa57c472012-11-21 12:06:18 -08001806 switch(br_opcode) {
Bill Buzbeea114add2012-05-03 15:00:40 -07001807 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) &&
buzbeefa57c472012-11-21 12:06:18 -08001830 (mir->ssa_rep->defs[0] == mir_next->ssa_rep->uses[0]) &&
1831 (GetSSAUseCount(cu, mir->ssa_rep->defs[0]) == 1)) {
1832 mir_next->dalvikInsn.arg[0] = ccode;
Bill Buzbeea114add2012-05-03 15:00:40 -07001833 switch(opcode) {
1834 case Instruction::CMPL_FLOAT:
buzbeefa57c472012-11-21 12:06:18 -08001835 mir_next->dalvikInsn.opcode =
Bill Buzbeea114add2012-05-03 15:00:40 -07001836 static_cast<Instruction::Code>(kMirOpFusedCmplFloat);
1837 break;
1838 case Instruction::CMPL_DOUBLE:
buzbeefa57c472012-11-21 12:06:18 -08001839 mir_next->dalvikInsn.opcode =
Bill Buzbeea114add2012-05-03 15:00:40 -07001840 static_cast<Instruction::Code>(kMirOpFusedCmplDouble);
1841 break;
1842 case Instruction::CMPG_FLOAT:
buzbeefa57c472012-11-21 12:06:18 -08001843 mir_next->dalvikInsn.opcode =
Bill Buzbeea114add2012-05-03 15:00:40 -07001844 static_cast<Instruction::Code>(kMirOpFusedCmpgFloat);
1845 break;
1846 case Instruction::CMPG_DOUBLE:
buzbeefa57c472012-11-21 12:06:18 -08001847 mir_next->dalvikInsn.opcode =
Bill Buzbeea114add2012-05-03 15:00:40 -07001848 static_cast<Instruction::Code>(kMirOpFusedCmpgDouble);
1849 break;
1850 case Instruction::CMP_LONG:
buzbeefa57c472012-11-21 12:06:18 -08001851 mir_next->dalvikInsn.opcode =
Bill Buzbeea114add2012-05-03 15:00:40 -07001852 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);
buzbeefa57c472012-11-21 12:06:18 -08001857 mir_next->ssa_rep->num_uses = mir->ssa_rep->num_uses;
1858 mir_next->ssa_rep->uses = mir->ssa_rep->uses;
1859 mir_next->ssa_rep->fp_use = mir->ssa_rep->fp_use;
1860 mir_next->ssa_rep->num_defs = 0;
1861 mir->ssa_rep->num_uses = 0;
1862 mir->ssa_rep->num_defs = 0;
Bill Buzbeea114add2012-05-03 15:00:40 -07001863 }
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
buzbeefa57c472012-11-21 12:06:18 -08001871 if (num_temps > cu->num_compiler_temps) {
1872 cu->num_compiler_temps = num_temps;
Bill Buzbeea114add2012-05-03 15:00:40 -07001873 }
1874 return true;
buzbeee1965672012-03-11 18:39:19 -07001875}
1876
buzbeefa57c472012-11-21 12:06:18 -08001877static bool NullCheckEliminationInit(struct CompilationUnit* cu, struct BasicBlock* bb)
buzbee43a36422011-09-14 14:00:13 -07001878{
buzbeefa57c472012-11-21 12:06:18 -08001879 if (bb->data_flow_info == NULL) return false;
1880 bb->data_flow_info->ending_null_check_v =
1881 AllocBitVector(cu, cu->num_ssa_regs, false, kBitMapNullCheck);
1882 ClearAllBits(bb->data_flow_info->ending_null_check_v);
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 */
buzbeefa57c472012-11-21 12:06:18 -08001887static bool CountChecks( struct CompilationUnit* cu, struct BasicBlock* bb)
buzbeed1643e42012-09-05 14:06:51 -07001888{
buzbeefa57c472012-11-21 12:06:18 -08001889 if (bb->data_flow_info == NULL) return false;
1890 for (MIR* mir = bb->first_mir_insn; mir; mir = mir->next) {
1891 if (mir->ssa_rep == NULL) {
buzbeed1643e42012-09-05 14:06:51 -07001892 continue;
1893 }
buzbeefa57c472012-11-21 12:06:18 -08001894 int df_attributes = oat_data_flow_attributes[mir->dalvikInsn.opcode];
1895 if (df_attributes & DF_HAS_NULL_CHKS) {
1896 cu->checkstats->null_checks++;
1897 if (mir->optimization_flags & MIR_IGNORE_NULL_CHECK) {
1898 cu->checkstats->null_checks_eliminated++;
buzbeed1643e42012-09-05 14:06:51 -07001899 }
1900 }
buzbeefa57c472012-11-21 12:06:18 -08001901 if (df_attributes & DF_HAS_RANGE_CHKS) {
1902 cu->checkstats->range_checks++;
1903 if (mir->optimization_flags & MIR_IGNORE_RANGE_CHECK) {
1904 cu->checkstats->range_checks_eliminated++;
buzbeed1643e42012-09-05 14:06:51 -07001905 }
1906 }
1907 }
1908 return false;
1909}
1910
buzbee0967a252012-09-14 10:43:54 -07001911/* Try to make common case the fallthrough path */
buzbeefa57c472012-11-21 12:06:18 -08001912static bool LayoutBlocks(struct CompilationUnit* cu, struct BasicBlock* bb)
buzbee0967a252012-09-14 10:43:54 -07001913{
1914 // TODO: For now, just looking for direct throws. Consider generalizing for profile feedback
buzbeefa57c472012-11-21 12:06:18 -08001915 if (!bb->explicit_throw) {
buzbee0967a252012-09-14 10:43:54 -07001916 return false;
1917 }
1918 BasicBlock* walker = bb;
1919 while (true) {
1920 // Check termination conditions
buzbeefa57c472012-11-21 12:06:18 -08001921 if ((walker->block_type == kEntryBlock) || (walker->predecessors->num_used != 1)) {
buzbee0967a252012-09-14 10:43:54 -07001922 break;
1923 }
1924 BasicBlock* prev = GET_ELEM_N(walker->predecessors, BasicBlock*, 0);
buzbeefa57c472012-11-21 12:06:18 -08001925 if (prev->conditional_branch) {
1926 if (prev->fall_through == walker) {
buzbee0967a252012-09-14 10:43:54 -07001927 // Already done - return
1928 break;
1929 }
1930 DCHECK_EQ(walker, prev->taken);
1931 // Got one. Flip it and exit
buzbeefa57c472012-11-21 12:06:18 -08001932 Instruction::Code opcode = prev->last_mir_insn->dalvikInsn.opcode;
buzbee0967a252012-09-14 10:43:54 -07001933 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 }
buzbeefa57c472012-11-21 12:06:18 -08001948 prev->last_mir_insn->dalvikInsn.opcode = opcode;
1949 BasicBlock* t_bb = prev->taken;
1950 prev->taken = prev->fall_through;
1951 prev->fall_through = t_bb;
buzbee0967a252012-09-14 10:43:54 -07001952 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 */
buzbeefa57c472012-11-21 12:06:18 -08001960static bool CombineBlocks(struct CompilationUnit* cu, 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
buzbeefa57c472012-11-21 12:06:18 -08001965 if ((bb->first_mir_insn == NULL)
1966 || (bb->data_flow_info == NULL)
1967 || (bb->block_type == kExceptionHandling)
1968 || (bb->block_type == kExitBlock)
1969 || (bb->block_type == kDead)
1970 || ((bb->taken == NULL) || (bb->taken->block_type != kExceptionHandling))
1971 || (bb->successor_block_list.block_list_type != kNotUsed)
1972 || (static_cast<int>(bb->last_mir_insn->dalvikInsn.opcode) != kMirOpCheck)) {
buzbeed1643e42012-09-05 14:06:51 -07001973 break;
1974 }
1975
1976 // Test the kMirOpCheck instruction
buzbeefa57c472012-11-21 12:06:18 -08001977 MIR* mir = bb->last_mir_insn;
buzbeed1643e42012-09-05 14:06:51 -07001978 // Grab the attributes from the paired opcode
buzbeefa57c472012-11-21 12:06:18 -08001979 MIR* throw_insn = mir->meta.throw_insn;
1980 int df_attributes = oat_data_flow_attributes[throw_insn->dalvikInsn.opcode];
1981 bool can_combine = true;
1982 if (df_attributes & DF_HAS_NULL_CHKS) {
1983 can_combine &= ((throw_insn->optimization_flags & MIR_IGNORE_NULL_CHECK) != 0);
buzbee0967a252012-09-14 10:43:54 -07001984 }
buzbeefa57c472012-11-21 12:06:18 -08001985 if (df_attributes & DF_HAS_RANGE_CHKS) {
1986 can_combine &= ((throw_insn->optimization_flags & MIR_IGNORE_RANGE_CHECK) != 0);
buzbee0967a252012-09-14 10:43:54 -07001987 }
buzbeefa57c472012-11-21 12:06:18 -08001988 if (!can_combine) {
buzbeed1643e42012-09-05 14:06:51 -07001989 break;
1990 }
1991 // OK - got one. Combine
buzbeefa57c472012-11-21 12:06:18 -08001992 BasicBlock* bb_next = bb->fall_through;
1993 DCHECK(!bb_next->catch_entry);
1994 DCHECK_EQ(bb_next->predecessors->num_used, 1U);
1995 MIR* t_mir = bb->last_mir_insn->prev;
buzbeed1643e42012-09-05 14:06:51 -07001996 // Overwrite the kOpCheck insn with the paired opcode
buzbeefa57c472012-11-21 12:06:18 -08001997 DCHECK_EQ(bb_next->first_mir_insn, throw_insn);
1998 *bb->last_mir_insn = *throw_insn;
1999 bb->last_mir_insn->prev = t_mir;
buzbeed1643e42012-09-05 14:06:51 -07002000 // Use the successor info from the next block
buzbeefa57c472012-11-21 12:06:18 -08002001 bb->successor_block_list = bb_next->successor_block_list;
buzbeed1643e42012-09-05 14:06:51 -07002002 // Use the ending block linkage from the next block
buzbeefa57c472012-11-21 12:06:18 -08002003 bb->fall_through = bb_next->fall_through;
2004 bb->taken->block_type = kDead; // Kill the unused exception block
2005 bb->taken = bb_next->taken;
buzbeed1643e42012-09-05 14:06:51 -07002006 // Include the rest of the instructions
buzbeefa57c472012-11-21 12:06:18 -08002007 bb->last_mir_insn = bb_next->last_mir_insn;
buzbeed1643e42012-09-05 14:06:51 -07002008
2009 /*
2010 * NOTE: we aren't updating all dataflow info here. Should either make sure this pass
buzbeefa57c472012-11-21 12:06:18 -08002011 * happens after uses of i_dominated, dom_frontier or update the dataflow info here.
buzbeed1643e42012-09-05 14:06:51 -07002012 */
2013
buzbeefa57c472012-11-21 12:06:18 -08002014 // Kill bb_next and remap now-dead id to parent
2015 bb_next->block_type = kDead;
2016 cu->block_id_map.Overwrite(bb_next->id, bb->id);
buzbeed1643e42012-09-05 14:06:51 -07002017
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. */
buzbeefa57c472012-11-21 12:06:18 -08002024static bool EliminateNullChecks( struct CompilationUnit* cu, struct BasicBlock* bb)
buzbee43a36422011-09-14 14:00:13 -07002025{
buzbeefa57c472012-11-21 12:06:18 -08002026 if (bb->data_flow_info == NULL) return false;
Bill Buzbeea114add2012-05-03 15:00:40 -07002027
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 */
buzbeefa57c472012-11-21 12:06:18 -08002033 if ((bb->block_type == kEntryBlock) | bb->catch_entry) {
2034 ClearAllBits(cu->temp_ssa_register_v);
2035 if ((cu->access_flags & kAccStatic) == 0) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002036 // If non-static method, mark "this" as non-null
buzbeefa57c472012-11-21 12:06:18 -08002037 int this_reg = cu->num_dalvik_registers - cu->num_ins;
2038 SetBit(cu, cu->temp_ssa_register_v, this_reg);
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);
buzbeefa57c472012-11-21 12:06:18 -08002044 BasicBlock* pred_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter));
2045 DCHECK(pred_bb != NULL);
2046 CopyBitVector(cu->temp_ssa_register_v,
2047 pred_bb->data_flow_info->ending_null_check_v);
Bill Buzbeea114add2012-05-03 15:00:40 -07002048 while (true) {
buzbeefa57c472012-11-21 12:06:18 -08002049 pred_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter));
2050 if (!pred_bb) break;
2051 if ((pred_bb->data_flow_info == NULL) ||
2052 (pred_bb->data_flow_info->ending_null_check_v == NULL)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002053 continue;
2054 }
buzbeefa57c472012-11-21 12:06:18 -08002055 IntersectBitVectors(cu->temp_ssa_register_v,
2056 cu->temp_ssa_register_v,
2057 pred_bb->data_flow_info->ending_null_check_v);
Bill Buzbeea114add2012-05-03 15:00:40 -07002058 }
2059 }
2060
2061 // Walk through the instruction in the block, updating as necessary
buzbeefa57c472012-11-21 12:06:18 -08002062 for (MIR* mir = bb->first_mir_insn; mir; mir = mir->next) {
2063 if (mir->ssa_rep == NULL) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002064 continue;
2065 }
buzbeefa57c472012-11-21 12:06:18 -08002066 int df_attributes = oat_data_flow_attributes[mir->dalvikInsn.opcode];
Bill Buzbeea114add2012-05-03 15:00:40 -07002067
2068 // Mark target of NEW* as non-null
buzbeefa57c472012-11-21 12:06:18 -08002069 if (df_attributes & DF_NON_NULL_DST) {
2070 SetBit(cu, cu->temp_ssa_register_v, mir->ssa_rep->defs[0]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002071 }
2072
2073 // Mark non-null returns from invoke-style NEW*
buzbeefa57c472012-11-21 12:06:18 -08002074 if (df_attributes & DF_NON_NULL_RET) {
2075 MIR* next_mir = mir->next;
Bill Buzbeea114add2012-05-03 15:00:40 -07002076 // Next should be an MOVE_RESULT_OBJECT
buzbeefa57c472012-11-21 12:06:18 -08002077 if (next_mir &&
2078 next_mir->dalvikInsn.opcode == Instruction::MOVE_RESULT_OBJECT) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002079 // Mark as null checked
buzbeefa57c472012-11-21 12:06:18 -08002080 SetBit(cu, cu->temp_ssa_register_v, next_mir->ssa_rep->defs[0]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002081 } else {
buzbeefa57c472012-11-21 12:06:18 -08002082 if (next_mir) {
2083 LOG(WARNING) << "Unexpected opcode following new: " << next_mir->dalvikInsn.opcode;
2084 } else if (bb->fall_through) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002085 // Look in next basic block
buzbeefa57c472012-11-21 12:06:18 -08002086 struct BasicBlock* next_bb = bb->fall_through;
2087 for (MIR* tmir = next_bb->first_mir_insn; tmir;
Bill Buzbeea114add2012-05-03 15:00:40 -07002088 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
buzbeefa57c472012-11-21 12:06:18 -08002095 SetBit(cu, cu->temp_ssa_register_v, tmir->ssa_rep->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 */
buzbeefa57c472012-11-21 12:06:18 -08002110 if (df_attributes & (DF_NULL_TRANSFER_0 | DF_NULL_TRANSFER_N)) {
2111 int tgt_sreg = mir->ssa_rep->defs[0];
2112 int operands = (df_attributes & DF_NULL_TRANSFER_0) ? 1 :
2113 mir->ssa_rep->num_uses;
2114 bool null_checked = true;
Bill Buzbeea114add2012-05-03 15:00:40 -07002115 for (int i = 0; i < operands; i++) {
buzbeefa57c472012-11-21 12:06:18 -08002116 null_checked &= IsBitSet(cu->temp_ssa_register_v,
2117 mir->ssa_rep->uses[i]);
Bill Buzbeea114add2012-05-03 15:00:40 -07002118 }
buzbeefa57c472012-11-21 12:06:18 -08002119 if (null_checked) {
2120 SetBit(cu, cu->temp_ssa_register_v, tgt_sreg);
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?
buzbeefa57c472012-11-21 12:06:18 -08002125 if ((df_attributes & DF_HAS_NULL_CHKS) && !(mir->optimization_flags & MIR_IGNORE_NULL_CHECK)) {
2126 int src_idx;
2127 if (df_attributes & DF_NULL_CHK_1) {
2128 src_idx = 1;
2129 } else if (df_attributes & DF_NULL_CHK_2) {
2130 src_idx = 2;
Bill Buzbeea114add2012-05-03 15:00:40 -07002131 } else {
buzbeefa57c472012-11-21 12:06:18 -08002132 src_idx = 0;
Bill Buzbeea114add2012-05-03 15:00:40 -07002133 }
buzbeefa57c472012-11-21 12:06:18 -08002134 int src_sreg = mir->ssa_rep->uses[src_idx];
2135 if (IsBitSet(cu->temp_ssa_register_v, src_sreg)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002136 // Eliminate the null check
buzbeefa57c472012-11-21 12:06:18 -08002137 mir->optimization_flags |= MIR_IGNORE_NULL_CHECK;
Bill Buzbeea114add2012-05-03 15:00:40 -07002138 } else {
buzbeefa57c472012-11-21 12:06:18 -08002139 // Mark s_reg as null-checked
2140 SetBit(cu, cu->temp_ssa_register_v, src_sreg);
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?
buzbeefa57c472012-11-21 12:06:18 -08002146 bool res = CompareBitVectors(bb->data_flow_info->ending_null_check_v,
2147 cu->temp_ssa_register_v);
Bill Buzbeea114add2012-05-03 15:00:40 -07002148 if (res) {
buzbeefa57c472012-11-21 12:06:18 -08002149 CopyBitVector(bb->data_flow_info->ending_null_check_v,
2150 cu->temp_ssa_register_v);
Bill Buzbeea114add2012-05-03 15:00:40 -07002151 }
2152 return res;
buzbee43a36422011-09-14 14:00:13 -07002153}
2154
buzbeefa57c472012-11-21 12:06:18 -08002155void NullCheckElimination(CompilationUnit *cu)
buzbee43a36422011-09-14 14:00:13 -07002156{
buzbeefa57c472012-11-21 12:06:18 -08002157 if (!(cu->disable_opt & (1 << kNullCheckElimination))) {
2158 DCHECK(cu->temp_ssa_register_v != NULL);
2159 DataFlowAnalysisDispatcher(cu, NullCheckEliminationInit, kAllNodes,
2160 false /* is_iterative */);
2161 DataFlowAnalysisDispatcher(cu, EliminateNullChecks,
Bill Buzbeea114add2012-05-03 15:00:40 -07002162 kPreOrderDFSTraversal,
buzbeefa57c472012-11-21 12:06:18 -08002163 true /* is_iterative */);
Bill Buzbeea114add2012-05-03 15:00:40 -07002164 }
buzbee43a36422011-09-14 14:00:13 -07002165}
Elliott Hughes11d1b0c2012-01-23 16:57:47 -08002166
buzbeefa57c472012-11-21 12:06:18 -08002167void BasicBlockCombine(CompilationUnit* cu)
buzbeed1643e42012-09-05 14:06:51 -07002168{
buzbeefa57c472012-11-21 12:06:18 -08002169 DataFlowAnalysisDispatcher(cu, CombineBlocks, kPreOrderDFSTraversal, false);
buzbeed1643e42012-09-05 14:06:51 -07002170}
2171
buzbeefa57c472012-11-21 12:06:18 -08002172void CodeLayout(CompilationUnit* cu)
buzbee0967a252012-09-14 10:43:54 -07002173{
buzbeefa57c472012-11-21 12:06:18 -08002174 DataFlowAnalysisDispatcher(cu, LayoutBlocks, kAllNodes, false);
buzbee0967a252012-09-14 10:43:54 -07002175}
2176
buzbeefa57c472012-11-21 12:06:18 -08002177void DumpCheckStats(CompilationUnit *cu)
buzbeed1643e42012-09-05 14:06:51 -07002178{
buzbeecbd6d442012-11-17 14:11:25 -08002179 Checkstats* stats =
buzbeefa57c472012-11-21 12:06:18 -08002180 static_cast<Checkstats*>(NewMem(cu, sizeof(Checkstats), true, kAllocDFInfo));
2181 cu->checkstats = stats;
2182 DataFlowAnalysisDispatcher(cu, CountChecks, kAllNodes, false /* is_iterative */);
2183 if (stats->null_checks > 0) {
2184 float eliminated = static_cast<float>(stats->null_checks_eliminated);
2185 float checks = static_cast<float>(stats->null_checks);
2186 LOG(INFO) << "Null Checks: " << PrettyMethod(cu->method_idx, *cu->dex_file) << " "
2187 << stats->null_checks_eliminated << " of " << stats->null_checks << " -> "
buzbeecbd6d442012-11-17 14:11:25 -08002188 << (eliminated/checks) * 100.0 << "%";
buzbeed1643e42012-09-05 14:06:51 -07002189 }
buzbeefa57c472012-11-21 12:06:18 -08002190 if (stats->range_checks > 0) {
2191 float eliminated = static_cast<float>(stats->range_checks_eliminated);
2192 float checks = static_cast<float>(stats->range_checks);
2193 LOG(INFO) << "Range Checks: " << PrettyMethod(cu->method_idx, *cu->dex_file) << " "
2194 << stats->range_checks_eliminated << " of " << stats->range_checks << " -> "
buzbeecbd6d442012-11-17 14:11:25 -08002195 << (eliminated/checks) * 100.0 << "%";
buzbeed1643e42012-09-05 14:06:51 -07002196 }
2197}
2198
buzbeefa57c472012-11-21 12:06:18 -08002199void BasicBlockOptimization(CompilationUnit *cu)
buzbeee1965672012-03-11 18:39:19 -07002200{
buzbeefa57c472012-11-21 12:06:18 -08002201 if (!(cu->disable_opt & (1 << kBBOpt))) {
2202 CompilerInitGrowableList(cu, &cu->compiler_temps, 6, kListMisc);
2203 DCHECK_EQ(cu->num_compiler_temps, 0);
2204 DataFlowAnalysisDispatcher(cu, BasicBlockOpt,
2205 kAllNodes, false /* is_iterative */);
Bill Buzbeea114add2012-05-03 15:00:40 -07002206 }
buzbeee1965672012-03-11 18:39:19 -07002207}
2208
buzbeefa57c472012-11-21 12:06:18 -08002209static void AddLoopHeader(CompilationUnit* cu, BasicBlock* header,
2210 BasicBlock* back_edge)
buzbee239c4e72012-03-16 08:42:29 -07002211{
Bill Buzbeea114add2012-05-03 15:00:40 -07002212 GrowableListIterator iter;
buzbeefa57c472012-11-21 12:06:18 -08002213 GrowableListIteratorInit(&cu->loop_headers, &iter);
buzbee52a77fc2012-11-20 19:50:46 -08002214 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) {
buzbeefa57c472012-11-21 12:06:18 -08002217 InsertGrowableList(cu, &loop->incoming_back_edges,
2218 reinterpret_cast<uintptr_t>(back_edge));
Bill Buzbeea114add2012-05-03 15:00:40 -07002219 return;
buzbee239c4e72012-03-16 08:42:29 -07002220 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002221 }
buzbeefa57c472012-11-21 12:06:18 -08002222 LoopInfo* info = static_cast<LoopInfo*>(NewMem(cu, sizeof(LoopInfo), true, kAllocDFInfo));
Bill Buzbeea114add2012-05-03 15:00:40 -07002223 info->header = header;
buzbeefa57c472012-11-21 12:06:18 -08002224 CompilerInitGrowableList(cu, &info->incoming_back_edges, 2, kListMisc);
2225 InsertGrowableList(cu, &info->incoming_back_edges, reinterpret_cast<uintptr_t>(back_edge));
2226 InsertGrowableList(cu, &cu->loop_headers, reinterpret_cast<uintptr_t>(info));
buzbee239c4e72012-03-16 08:42:29 -07002227}
2228
buzbeefa57c472012-11-21 12:06:18 -08002229static bool FindBackEdges(struct CompilationUnit* cu, struct BasicBlock* bb)
buzbee239c4e72012-03-16 08:42:29 -07002230{
buzbeefa57c472012-11-21 12:06:18 -08002231 if ((bb->data_flow_info == NULL) || (bb->last_mir_insn == NULL)) {
buzbee239c4e72012-03-16 08:42:29 -07002232 return false;
Bill Buzbeea114add2012-05-03 15:00:40 -07002233 }
buzbeefa57c472012-11-21 12:06:18 -08002234 Instruction::Code opcode = bb->last_mir_insn->dalvikInsn.opcode;
Ian Rogersa75a0132012-09-28 11:41:42 -07002235 if (Instruction::FlagsOf(opcode) & Instruction::kBranch) {
buzbeefa57c472012-11-21 12:06:18 -08002236 if (bb->taken && (bb->taken->start_offset <= bb->start_offset)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002237 DCHECK(bb->dominators != NULL);
buzbee52a77fc2012-11-20 19:50:46 -08002238 if (IsBitSet(bb->dominators, bb->taken->id)) {
buzbeefa57c472012-11-21 12:06:18 -08002239 if (cu->verbose) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002240 LOG(INFO) << "Loop backedge from 0x"
buzbeefa57c472012-11-21 12:06:18 -08002241 << std::hex << bb->last_mir_insn->offset
2242 << " to 0x" << std::hex << bb->taken->start_offset;
Bill Buzbeea114add2012-05-03 15:00:40 -07002243 }
buzbeefa57c472012-11-21 12:06:18 -08002244 AddLoopHeader(cu, bb->taken, bb);
Bill Buzbeea114add2012-05-03 15:00:40 -07002245 }
2246 }
2247 }
2248 return false;
buzbee239c4e72012-03-16 08:42:29 -07002249}
2250
buzbeefa57c472012-11-21 12:06:18 -08002251static void AddBlocksToLoop(CompilationUnit* cu, ArenaBitVector* blocks,
2252 BasicBlock* bb, int head_id)
buzbee239c4e72012-03-16 08:42:29 -07002253{
buzbeefa57c472012-11-21 12:06:18 -08002254 if (!IsBitSet(bb->dominators, head_id) ||
buzbee52a77fc2012-11-20 19:50:46 -08002255 IsBitSet(blocks, bb->id)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002256 return;
2257 }
buzbeefa57c472012-11-21 12:06:18 -08002258 SetBit(cu, blocks, bb->id);
Bill Buzbeea114add2012-05-03 15:00:40 -07002259 GrowableListIterator iter;
buzbee52a77fc2012-11-20 19:50:46 -08002260 GrowableListIteratorInit(bb->predecessors, &iter);
buzbeefa57c472012-11-21 12:06:18 -08002261 BasicBlock* pred_bb;
2262 for (pred_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); pred_bb;
2263 pred_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
2264 AddBlocksToLoop(cu, blocks, pred_bb, head_id);
Bill Buzbeea114add2012-05-03 15:00:40 -07002265 }
buzbee239c4e72012-03-16 08:42:29 -07002266}
2267
buzbeefa57c472012-11-21 12:06:18 -08002268static void DumpLoops(CompilationUnit *cu)
buzbee239c4e72012-03-16 08:42:29 -07002269{
Bill Buzbeea114add2012-05-03 15:00:40 -07002270 GrowableListIterator iter;
buzbeefa57c472012-11-21 12:06:18 -08002271 GrowableListIteratorInit(&cu->loop_headers, &iter);
buzbee52a77fc2012-11-20 19:50:46 -08002272 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
buzbeefa57c472012-11-21 12:06:18 -08002275 << ", offset 0x" << std::hex << loop->header->start_offset
2276 << ", Depth: " << loop->header->nesting_depth;
buzbee239c4e72012-03-16 08:42:29 -07002277 GrowableListIterator iter;
buzbeefa57c472012-11-21 12:06:18 -08002278 GrowableListIteratorInit(&loop->incoming_back_edges, &iter);
2279 BasicBlock* edge_bb;
2280 for (edge_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); edge_bb;
2281 edge_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
2282 LOG(INFO) << " Backedge block id " << edge_bb->id
2283 << ", offset 0x" << std::hex << edge_bb->start_offset;
2284 ArenaBitVectorIterator b_iter;
2285 BitVectorIteratorInit(loop->blocks, &b_iter);
2286 for (int bb_id = BitVectorIteratorNext(&b_iter); bb_id != -1;
2287 bb_id = BitVectorIteratorNext(&b_iter)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002288 BasicBlock *bb;
buzbeefa57c472012-11-21 12:06:18 -08002289 bb = reinterpret_cast<BasicBlock*>(GrowableListGetElement(&cu->block_list, bb_id));
Bill Buzbeea114add2012-05-03 15:00:40 -07002290 LOG(INFO) << " (" << bb->id << ", 0x" << std::hex
buzbeefa57c472012-11-21 12:06:18 -08002291 << bb->start_offset << ")";
Bill Buzbeea114add2012-05-03 15:00:40 -07002292 }
buzbee239c4e72012-03-16 08:42:29 -07002293 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002294 }
buzbee239c4e72012-03-16 08:42:29 -07002295}
2296
buzbeefa57c472012-11-21 12:06:18 -08002297void LoopDetection(CompilationUnit *cu)
buzbee239c4e72012-03-16 08:42:29 -07002298{
buzbeefa57c472012-11-21 12:06:18 -08002299 if (cu->disable_opt & (1 << kPromoteRegs)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002300 return;
2301 }
buzbeefa57c472012-11-21 12:06:18 -08002302 CompilerInitGrowableList(cu, &cu->loop_headers, 6, kListMisc);
Bill Buzbeea114add2012-05-03 15:00:40 -07002303 // Find the loop headers
buzbeefa57c472012-11-21 12:06:18 -08002304 DataFlowAnalysisDispatcher(cu, FindBackEdges, kAllNodes, false /* is_iterative */);
Bill Buzbeea114add2012-05-03 15:00:40 -07002305 GrowableListIterator iter;
buzbeefa57c472012-11-21 12:06:18 -08002306 GrowableListIteratorInit(&cu->loop_headers, &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))) {
buzbeefa57c472012-11-21 12:06:18 -08002310 loop->blocks = AllocBitVector(cu, cu->num_blocks, true,
Bill Buzbeea114add2012-05-03 15:00:40 -07002311 kBitMapMisc);
buzbeefa57c472012-11-21 12:06:18 -08002312 SetBit(cu, loop->blocks, loop->header->id);
buzbee239c4e72012-03-16 08:42:29 -07002313 GrowableListIterator iter;
buzbeefa57c472012-11-21 12:06:18 -08002314 GrowableListIteratorInit(&loop->incoming_back_edges, &iter);
2315 BasicBlock* edge_bb;
2316 for (edge_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter)); edge_bb;
2317 edge_bb = reinterpret_cast<BasicBlock*>(GrowableListIteratorNext(&iter))) {
2318 AddBlocksToLoop(cu, loop->blocks, edge_bb, 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
buzbeefa57c472012-11-21 12:06:18 -08002322 GrowableListIteratorInit(&cu->loop_headers, &iter);
buzbee52a77fc2012-11-20 19:50:46 -08002323 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;
buzbeefa57c472012-11-21 12:06:18 -08002326 GrowableListIteratorInit(&cu->loop_headers, &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)) {
buzbeefa57c472012-11-21 12:06:18 -08002331 loop->header->nesting_depth++;
Bill Buzbeea114add2012-05-03 15:00:40 -07002332 }
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
buzbeefa57c472012-11-21 12:06:18 -08002336 GrowableListIteratorInit(&cu->loop_headers, &iter);
buzbee52a77fc2012-11-20 19:50:46 -08002337 for (LoopInfo* loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter));
2338 (loop != NULL); loop = reinterpret_cast<LoopInfo*>(GrowableListIteratorNext(&iter))) {
buzbeefa57c472012-11-21 12:06:18 -08002339 ArenaBitVectorIterator b_iter;
2340 BitVectorIteratorInit(loop->blocks, &b_iter);
2341 for (int bb_id = BitVectorIteratorNext(&b_iter); bb_id != -1;
2342 bb_id = BitVectorIteratorNext(&b_iter)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002343 BasicBlock *bb;
buzbeefa57c472012-11-21 12:06:18 -08002344 bb = reinterpret_cast<BasicBlock*>(GrowableListGetElement(&cu->block_list, bb_id));
2345 bb->nesting_depth = std::max(bb->nesting_depth,
2346 loop->header->nesting_depth);
buzbee239c4e72012-03-16 08:42:29 -07002347 }
Bill Buzbeea114add2012-05-03 15:00:40 -07002348 }
buzbeefa57c472012-11-21 12:06:18 -08002349 if (cu->verbose) {
2350 DumpLoops(cu);
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 */
buzbeefa57c472012-11-21 12:06:18 -08002360static bool InvokeUsesMethodStar(CompilationUnit* cu, 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 }
buzbeefa57c472012-11-21 12:06:18 -08002388 OatCompilationUnit m_unit(cu->class_loader, cu->class_linker,
2389 *cu->dex_file,
2390 cu->code_item, cu->method_idx,
2391 cu->access_flags);
Bill Buzbeea114add2012-05-03 15:00:40 -07002392 // TODO: add a flag so we don't counts the stats for this twice
buzbeefa57c472012-11-21 12:06:18 -08002393 uint32_t dex_method_idx = mir->dalvikInsn.vB;
2394 int vtable_idx;
2395 uintptr_t direct_code;
2396 uintptr_t direct_method;
2397 bool fast_path =
2398 cu->compiler->ComputeInvokeInfo(dex_method_idx, &m_unit, type,
2399 vtable_idx, direct_code,
2400 direct_method) &&
Bill Buzbeea114add2012-05-03 15:00:40 -07002401 !SLOW_INVOKE_PATH;
2402 return (((type == kDirect) || (type == kStatic)) &&
buzbeefa57c472012-11-21 12:06:18 -08002403 fast_path && ((direct_code == 0) || (direct_method == 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
buzbeefa57c472012-11-21 12:06:18 -08002408 * counts explicitly used s_regs. A later phase will add implicit
buzbee239c4e72012-03-16 08:42:29 -07002409 * counts for things such as Method*, null-checked references, etc.
2410 */
buzbeefa57c472012-11-21 12:06:18 -08002411static bool CountUses(struct CompilationUnit* cu, struct BasicBlock* bb)
buzbee239c4e72012-03-16 08:42:29 -07002412{
buzbeefa57c472012-11-21 12:06:18 -08002413 if (bb->block_type != kDalvikByteCode) {
buzbee239c4e72012-03-16 08:42:29 -07002414 return false;
Bill Buzbeea114add2012-05-03 15:00:40 -07002415 }
buzbeefa57c472012-11-21 12:06:18 -08002416 for (MIR* mir = bb->first_mir_insn; (mir != NULL); mir = mir->next) {
2417 if (mir->ssa_rep == NULL) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002418 continue;
2419 }
buzbeefa57c472012-11-21 12:06:18 -08002420 uint32_t weight = std::min(16U, static_cast<uint32_t>(bb->nesting_depth));
2421 for (int i = 0; i < mir->ssa_rep->num_uses; i++) {
2422 int s_reg = mir->ssa_rep->uses[i];
2423 DCHECK_LT(s_reg, static_cast<int>(cu->use_counts.num_used));
2424 cu->raw_use_counts.elem_list[s_reg]++;
2425 cu->use_counts.elem_list[s_reg] += (1 << weight);
Bill Buzbeea114add2012-05-03 15:00:40 -07002426 }
buzbeefa57c472012-11-21 12:06:18 -08002427 if (!(cu->disable_opt & (1 << kPromoteCompilerTemps))) {
2428 int df_attributes = oat_data_flow_attributes[mir->dalvikInsn.opcode];
Bill Buzbeea114add2012-05-03 15:00:40 -07002429 // Implicit use of Method* ? */
buzbeefa57c472012-11-21 12:06:18 -08002430 if (df_attributes & DF_UMS) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002431 /*
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 */
buzbeefa57c472012-11-21 12:06:18 -08002437 int uses_method_star = true;
2438 if ((df_attributes & (DF_FORMAT_35C | DF_FORMAT_3RC)) &&
2439 !(df_attributes & DF_NON_NULL_RET)) {
2440 uses_method_star &= InvokeUsesMethodStar(cu, mir);
Bill Buzbeea114add2012-05-03 15:00:40 -07002441 }
buzbeefa57c472012-11-21 12:06:18 -08002442 if (uses_method_star) {
2443 cu->raw_use_counts.elem_list[cu->method_sreg]++;
2444 cu->use_counts.elem_list[cu->method_sreg] += (1 << weight);
Bill Buzbeea114add2012-05-03 15:00:40 -07002445 }
2446 }
2447 }
2448 }
2449 return false;
buzbee239c4e72012-03-16 08:42:29 -07002450}
2451
buzbeefa57c472012-11-21 12:06:18 -08002452void MethodUseCount(CompilationUnit *cu)
buzbee239c4e72012-03-16 08:42:29 -07002453{
buzbeefa57c472012-11-21 12:06:18 -08002454 CompilerInitGrowableList(cu, &cu->use_counts, cu->num_ssa_regs + 32, kListMisc);
2455 CompilerInitGrowableList(cu, &cu->raw_use_counts, cu->num_ssa_regs + 32, kListMisc);
Bill Buzbeea114add2012-05-03 15:00:40 -07002456 // Initialize list
buzbeefa57c472012-11-21 12:06:18 -08002457 for (int i = 0; i < cu->num_ssa_regs; i++) {
2458 InsertGrowableList(cu, &cu->use_counts, 0);
2459 InsertGrowableList(cu, &cu->raw_use_counts, 0);
Bill Buzbeea114add2012-05-03 15:00:40 -07002460 }
buzbeefa57c472012-11-21 12:06:18 -08002461 if (cu->disable_opt & (1 << kPromoteRegs)) {
Bill Buzbeea114add2012-05-03 15:00:40 -07002462 return;
2463 }
buzbeefa57c472012-11-21 12:06:18 -08002464 DataFlowAnalysisDispatcher(cu, CountUses,
2465 kAllNodes, false /* is_iterative */);
buzbee239c4e72012-03-16 08:42:29 -07002466}
2467
Elliott Hughes11d1b0c2012-01-23 16:57:47 -08002468} // namespace art