buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1 | /* |
| 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 | |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 17 | #include "object_utils.h" |
| 18 | |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 19 | namespace art { |
| 20 | |
buzbee | ce30293 | 2011-10-04 14:32:18 -0700 | [diff] [blame] | 21 | #define DISPLAY_MISSING_TARGETS (cUnit->enableDebug & \ |
| 22 | (1 << kDebugDisplayMissingTargets)) |
Elliott Hughes | 1240dad | 2011-09-09 16:24:50 -0700 | [diff] [blame] | 23 | |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 24 | STATIC const RegLocation badLoc = {kLocDalvikFrame, 0, 0, 0, 0, 0, 0, INVALID_REG, |
| 25 | INVALID_REG, INVALID_SREG}; |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 26 | |
| 27 | /* Mark register usage state and return long retloc */ |
| 28 | STATIC RegLocation getRetLocWide(CompilationUnit* cUnit) |
| 29 | { |
| 30 | RegLocation res = LOC_DALVIK_RETURN_VAL_WIDE; |
| 31 | oatLockTemp(cUnit, res.lowReg); |
| 32 | oatLockTemp(cUnit, res.highReg); |
| 33 | oatMarkPair(cUnit, res.lowReg, res.highReg); |
| 34 | return res; |
| 35 | } |
| 36 | |
| 37 | STATIC RegLocation getRetLoc(CompilationUnit* cUnit) |
| 38 | { |
| 39 | RegLocation res = LOC_DALVIK_RETURN_VAL; |
| 40 | oatLockTemp(cUnit, res.lowReg); |
| 41 | return res; |
| 42 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 43 | |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 44 | /* |
| 45 | * Let helper function take care of everything. Will call |
| 46 | * Array::AllocFromCode(type_idx, method, count); |
| 47 | * Note: AllocFromCode will handle checks for errNegativeArraySize. |
| 48 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 49 | STATIC void genNewArray(CompilationUnit* cUnit, MIR* mir, RegLocation rlDest, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 50 | RegLocation rlSrc) |
| 51 | { |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 52 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 53 | uint32_t type_idx = mir->dalvikInsn.vC; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 54 | if (cUnit->compiler->CanAccessTypeWithoutChecks(cUnit->method_idx, |
| 55 | cUnit->dex_cache, |
| 56 | *cUnit->dex_file, |
| 57 | type_idx)) { |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 58 | loadWordDisp(cUnit, rSELF, |
| 59 | OFFSETOF_MEMBER(Thread, pAllocArrayFromCode), rLR); |
| 60 | } else { |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 61 | loadWordDisp(cUnit, rSELF, |
Ian Rogers | 0eb7d7e | 2012-01-31 21:12:32 -0800 | [diff] [blame] | 62 | OFFSETOF_MEMBER(Thread, pAllocArrayFromCodeWithAccessCheck), rLR); |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 63 | } |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 64 | loadCurrMethodDirect(cUnit, r1); // arg1 <- Method* |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 65 | loadConstant(cUnit, r0, type_idx); // arg0 <- type_id |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 66 | loadValueDirectFixed(cUnit, rlSrc, r2); // arg2 <- count |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 67 | callRuntimeHelper(cUnit, rLR); |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 68 | RegLocation rlResult = oatGetReturn(cUnit); |
| 69 | storeValue(cUnit, rlDest, rlResult); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 70 | } |
| 71 | |
| 72 | /* |
| 73 | * Similar to genNewArray, but with post-allocation initialization. |
| 74 | * Verifier guarantees we're dealing with an array class. Current |
| 75 | * code throws runtime exception "bad Filled array req" for 'D' and 'J'. |
| 76 | * Current code also throws internal unimp if not 'L', '[' or 'I'. |
| 77 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 78 | STATIC void genFilledNewArray(CompilationUnit* cUnit, MIR* mir, bool isRange) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 79 | { |
| 80 | DecodedInstruction* dInsn = &mir->dalvikInsn; |
buzbee | 81eccc0 | 2011-09-17 13:42:21 -0700 | [diff] [blame] | 81 | int elems = dInsn->vA; |
| 82 | int typeId = dInsn->vB; |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 83 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
Ian Rogers | 0eb7d7e | 2012-01-31 21:12:32 -0800 | [diff] [blame] | 84 | if (cUnit->compiler->CanAccessTypeWithoutChecks(cUnit->method_idx, |
| 85 | cUnit->dex_cache, |
| 86 | *cUnit->dex_file, |
| 87 | typeId)) { |
| 88 | loadWordDisp(cUnit, rSELF, |
| 89 | OFFSETOF_MEMBER(Thread, pCheckAndAllocArrayFromCode), rLR); |
| 90 | } else { |
| 91 | loadWordDisp(cUnit, rSELF, |
| 92 | OFFSETOF_MEMBER(Thread, pCheckAndAllocArrayFromCodeWithAccessCheck), rLR); |
Ian Rogers | 28ad40d | 2011-10-27 15:19:26 -0700 | [diff] [blame] | 93 | } |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 94 | loadCurrMethodDirect(cUnit, r1); // arg1 <- Method* |
| 95 | loadConstant(cUnit, r0, typeId); // arg0 <- type_id |
| 96 | loadConstant(cUnit, r2, elems); // arg2 <- count |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 97 | callRuntimeHelper(cUnit, rLR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 98 | /* |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 99 | * NOTE: the implicit target for OP_FILLED_NEW_ARRAY is the |
| 100 | * return region. Because AllocFromCode placed the new array |
| 101 | * in r0, we'll just lock it into place. When debugger support is |
| 102 | * added, it may be necessary to additionally copy all return |
| 103 | * values to a home location in thread-local storage |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 104 | */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 105 | oatLockTemp(cUnit, r0); |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 106 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 107 | // Having a range of 0 is legal |
| 108 | if (isRange && (dInsn->vA > 0)) { |
| 109 | /* |
| 110 | * Bit of ugliness here. We're going generate a mem copy loop |
| 111 | * on the register range, but it is possible that some regs |
| 112 | * in the range have been promoted. This is unlikely, but |
| 113 | * before generating the copy, we'll just force a flush |
| 114 | * of any regs in the source range that have been promoted to |
| 115 | * home location. |
| 116 | */ |
| 117 | for (unsigned int i = 0; i < dInsn->vA; i++) { |
| 118 | RegLocation loc = oatUpdateLoc(cUnit, |
| 119 | oatGetSrc(cUnit, mir, i)); |
| 120 | if (loc.location == kLocPhysReg) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 121 | storeBaseDisp(cUnit, rSP, oatSRegOffset(cUnit, loc.sRegLow), |
| 122 | loc.lowReg, kWord); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 123 | } |
| 124 | } |
| 125 | /* |
| 126 | * TUNING note: generated code here could be much improved, but |
| 127 | * this is an uncommon operation and isn't especially performance |
| 128 | * critical. |
| 129 | */ |
| 130 | int rSrc = oatAllocTemp(cUnit); |
| 131 | int rDst = oatAllocTemp(cUnit); |
| 132 | int rIdx = oatAllocTemp(cUnit); |
| 133 | int rVal = rLR; // Using a lot of temps, rLR is known free here |
| 134 | // Set up source pointer |
| 135 | RegLocation rlFirst = oatGetSrc(cUnit, mir, 0); |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 136 | opRegRegImm(cUnit, kOpAdd, rSrc, rSP, |
| 137 | oatSRegOffset(cUnit, rlFirst.sRegLow)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 138 | // Set up the target pointer |
| 139 | opRegRegImm(cUnit, kOpAdd, rDst, r0, |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 140 | Array::DataOffset().Int32Value()); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 141 | // Set up the loop counter (known to be > 0) |
buzbee | 3181345 | 2011-10-16 14:33:08 -0700 | [diff] [blame] | 142 | loadConstant(cUnit, rIdx, dInsn->vA - 1); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 143 | // Generate the copy loop. Going backwards for convenience |
| 144 | ArmLIR* target = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 145 | target->defMask = ENCODE_ALL; |
| 146 | // Copy next element |
| 147 | loadBaseIndexed(cUnit, rSrc, rIdx, rVal, 2, kWord); |
| 148 | storeBaseIndexed(cUnit, rDst, rIdx, rVal, 2, kWord); |
| 149 | // Use setflags encoding here |
| 150 | newLIR3(cUnit, kThumb2SubsRRI12, rIdx, rIdx, 1); |
buzbee | 3181345 | 2011-10-16 14:33:08 -0700 | [diff] [blame] | 151 | ArmLIR* branch = opCondBranch(cUnit, kArmCondGe); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 152 | branch->generic.target = (LIR*)target; |
| 153 | } else if (!isRange) { |
| 154 | // TUNING: interleave |
| 155 | for (unsigned int i = 0; i < dInsn->vA; i++) { |
| 156 | RegLocation rlArg = loadValue(cUnit, |
| 157 | oatGetSrc(cUnit, mir, i), kCoreReg); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 158 | storeBaseDisp(cUnit, r0, |
| 159 | Array::DataOffset().Int32Value() + |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 160 | i * 4, rlArg.lowReg, kWord); |
| 161 | // If the loadValue caused a temp to be allocated, free it |
| 162 | if (oatIsTemp(cUnit, rlArg.lowReg)) { |
| 163 | oatFreeTemp(cUnit, rlArg.lowReg); |
| 164 | } |
| 165 | } |
| 166 | } |
| 167 | } |
| 168 | |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 169 | Field* FindFieldWithResolvedStaticStorage(CompilationUnit* cUnit, |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 170 | const uint32_t fieldIdx, |
| 171 | uint32_t& resolvedTypeIdx) { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 172 | Field* field = cUnit->class_linker->ResolveField(*cUnit->dex_file, |
| 173 | fieldIdx, |
| 174 | cUnit->dex_cache, |
| 175 | cUnit->class_loader, |
| 176 | true); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 177 | if (field == NULL) { |
Ian Rogers | b093c6b | 2011-10-31 16:19:55 -0700 | [diff] [blame] | 178 | Thread* thread = Thread::Current(); |
| 179 | if (thread->IsExceptionPending()) { // clear any exception left by resolve field |
| 180 | thread->ClearException(); |
| 181 | } |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 182 | return NULL; |
| 183 | } |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 184 | const DexFile::FieldId& field_id = cUnit->dex_file->GetFieldId(fieldIdx); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 185 | int type_idx = field_id.class_idx_; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 186 | Class* klass = cUnit->dex_cache->GetResolvedTypes()->Get(type_idx); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 187 | // Check if storage class is the same as class referred to by type idx. |
| 188 | // They may not be if the FieldId refers a subclass, but storage is in super |
| 189 | if (field->GetDeclaringClass() == klass) { |
| 190 | resolvedTypeIdx = type_idx; |
| 191 | return field; |
| 192 | } |
| 193 | // See if we can find a dex reference for the storage class. |
| 194 | // we may not if the dex file never references the super class, |
| 195 | // but usually it will. |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 196 | std::string descriptor(FieldHelper(field).GetDeclaringClassDescriptor()); |
| 197 | const DexFile::StringId* string_id = |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 198 | cUnit->dex_file->FindStringId(descriptor); |
| 199 | if (string_id == NULL) { |
| 200 | return NULL; // descriptor not found, resort to slow path |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 201 | } |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 202 | const DexFile::TypeId* type_id = |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 203 | cUnit->dex_file->FindTypeId(cUnit->dex_file->GetIndexForStringId(*string_id)); |
| 204 | if (type_id == NULL) { |
| 205 | return NULL; // type id not found, resort to slow path |
| 206 | } |
| 207 | resolvedTypeIdx = cUnit->dex_file->GetIndexForTypeId(*type_id); |
| 208 | return field; |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 209 | } |
| 210 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 211 | STATIC void genSput(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 212 | { |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 213 | bool isObject = ((mir->dalvikInsn.opcode == OP_SPUT_OBJECT) || |
| 214 | (mir->dalvikInsn.opcode == OP_SPUT_OBJECT_VOLATILE)); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 215 | int fieldIdx = mir->dalvikInsn.vB; |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 216 | uint32_t typeIdx; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 217 | Field* field = FindFieldWithResolvedStaticStorage(cUnit, fieldIdx, typeIdx); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 218 | oatFlushAllRegs(cUnit); |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 219 | if (SLOW_FIELD_PATH || field == NULL) { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 220 | // Slow path |
Elliott Hughes | 81bc509 | 2011-09-30 17:25:59 -0700 | [diff] [blame] | 221 | warnIfUnresolved(cUnit, fieldIdx, field); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 222 | int funcOffset = isObject ? OFFSETOF_MEMBER(Thread, pSetObjStatic) |
| 223 | : OFFSETOF_MEMBER(Thread, pSet32Static); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 224 | loadWordDisp(cUnit, rSELF, funcOffset, rLR); |
| 225 | loadConstant(cUnit, r0, mir->dalvikInsn.vB); |
| 226 | loadCurrMethodDirect(cUnit, r1); |
| 227 | loadValueDirect(cUnit, rlSrc, r2); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 228 | callRuntimeHelper(cUnit, rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 229 | } else { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 230 | // fast path |
| 231 | int fieldOffset = field->GetOffset().Int32Value(); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 232 | // Using fixed register to sync with slow path |
| 233 | int rMethod = r1; |
| 234 | oatLockTemp(cUnit, rMethod); |
| 235 | loadCurrMethodDirect(cUnit, rMethod); |
| 236 | int rBase = r0; |
| 237 | oatLockTemp(cUnit, rBase); |
| 238 | loadWordDisp(cUnit, rMethod, |
| 239 | Method::DexCacheInitializedStaticStorageOffset().Int32Value(), |
| 240 | rBase); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 241 | loadWordDisp(cUnit, rBase, Array::DataOffset().Int32Value() + |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 242 | sizeof(int32_t*)* typeIdx, rBase); |
| 243 | // TUNING: fast path should fall through |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 244 | // TUNING: Try a conditional skip here, might be faster |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 245 | ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondNe, rBase, 0); |
| 246 | loadWordDisp(cUnit, rSELF, |
| 247 | OFFSETOF_MEMBER(Thread, pInitializeStaticStorage), rLR); |
| 248 | loadConstant(cUnit, r0, typeIdx); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 249 | callRuntimeHelper(cUnit, rLR); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 250 | ArmLIR* skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 251 | skipTarget->defMask = ENCODE_ALL; |
| 252 | branchOver->generic.target = (LIR*)skipTarget; |
| 253 | rlSrc = oatGetSrc(cUnit, mir, 0); |
| 254 | rlSrc = loadValue(cUnit, rlSrc, kAnyReg); |
buzbee | 12246b8 | 2011-09-29 14:15:05 -0700 | [diff] [blame] | 255 | #if ANDROID_SMP != 0 |
| 256 | if (field->IsVolatile()) { |
| 257 | oatGenMemBarrier(cUnit, kST); |
| 258 | } |
| 259 | #endif |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 260 | storeWordDisp(cUnit, rBase, fieldOffset, rlSrc.lowReg); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 261 | #if ANDROID_SMP != 0 |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 262 | if (field->IsVolatile()) { |
| 263 | oatGenMemBarrier(cUnit, kSY); |
| 264 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 265 | #endif |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 266 | if (isObject) { |
| 267 | markGCCard(cUnit, rlSrc.lowReg, rBase); |
| 268 | } |
| 269 | oatFreeTemp(cUnit, rBase); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 270 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 271 | } |
| 272 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 273 | STATIC void genSputWide(CompilationUnit* cUnit, MIR* mir, RegLocation rlSrc) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 274 | { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 275 | int fieldIdx = mir->dalvikInsn.vB; |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 276 | uint32_t typeIdx; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 277 | Field* field = FindFieldWithResolvedStaticStorage(cUnit, fieldIdx, typeIdx); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 278 | oatFlushAllRegs(cUnit); |
buzbee | 12246b8 | 2011-09-29 14:15:05 -0700 | [diff] [blame] | 279 | #if ANDROID_SMP != 0 |
| 280 | bool isVolatile = (field == NULL) || field->IsVolatile(); |
| 281 | #else |
| 282 | bool isVolatile = false; |
| 283 | #endif |
| 284 | if (SLOW_FIELD_PATH || field == NULL || isVolatile) { |
Elliott Hughes | 81bc509 | 2011-09-30 17:25:59 -0700 | [diff] [blame] | 285 | warnIfUnresolved(cUnit, fieldIdx, field); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 286 | loadWordDisp(cUnit, rSELF, OFFSETOF_MEMBER(Thread, pSet64Static), rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 287 | loadConstant(cUnit, r0, mir->dalvikInsn.vB); |
| 288 | loadCurrMethodDirect(cUnit, r1); |
| 289 | loadValueDirectWideFixed(cUnit, rlSrc, r2, r3); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 290 | callRuntimeHelper(cUnit, rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 291 | } else { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 292 | // fast path |
| 293 | int fieldOffset = field->GetOffset().Int32Value(); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 294 | // Using fixed register to sync with slow path |
| 295 | int rMethod = r1; |
| 296 | oatLockTemp(cUnit, rMethod); |
| 297 | loadCurrMethodDirect(cUnit, r1); |
| 298 | int rBase = r0; |
| 299 | oatLockTemp(cUnit, rBase); |
| 300 | loadWordDisp(cUnit, rMethod, |
| 301 | Method::DexCacheInitializedStaticStorageOffset().Int32Value(), |
| 302 | rBase); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 303 | loadWordDisp(cUnit, rBase, Array::DataOffset().Int32Value() + |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 304 | sizeof(int32_t*)* typeIdx, rBase); |
| 305 | // TUNING: fast path should fall through |
| 306 | ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondNe, rBase, 0); |
| 307 | loadWordDisp(cUnit, rSELF, |
| 308 | OFFSETOF_MEMBER(Thread, pInitializeStaticStorage), rLR); |
| 309 | loadConstant(cUnit, r0, typeIdx); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 310 | callRuntimeHelper(cUnit, rLR); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 311 | ArmLIR* skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 312 | skipTarget->defMask = ENCODE_ALL; |
| 313 | branchOver->generic.target = (LIR*)skipTarget; |
| 314 | rlSrc = oatGetSrcWide(cUnit, mir, 0, 1); |
| 315 | rlSrc = loadValueWide(cUnit, rlSrc, kAnyReg); |
| 316 | storeBaseDispWide(cUnit, rBase, fieldOffset, rlSrc.lowReg, |
| 317 | rlSrc.highReg); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 318 | oatFreeTemp(cUnit, rBase); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 319 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 323 | STATIC void genSgetWide(CompilationUnit* cUnit, MIR* mir, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 324 | RegLocation rlResult, RegLocation rlDest) |
| 325 | { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 326 | int fieldIdx = mir->dalvikInsn.vB; |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 327 | uint32_t typeIdx; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 328 | Field* field = FindFieldWithResolvedStaticStorage(cUnit, fieldIdx, typeIdx); |
buzbee | 12246b8 | 2011-09-29 14:15:05 -0700 | [diff] [blame] | 329 | #if ANDROID_SMP != 0 |
| 330 | bool isVolatile = (field == NULL) || field->IsVolatile(); |
| 331 | #else |
| 332 | bool isVolatile = false; |
| 333 | #endif |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 334 | oatFlushAllRegs(cUnit); |
buzbee | 12246b8 | 2011-09-29 14:15:05 -0700 | [diff] [blame] | 335 | if (SLOW_FIELD_PATH || field == NULL || isVolatile) { |
Elliott Hughes | 81bc509 | 2011-09-30 17:25:59 -0700 | [diff] [blame] | 336 | warnIfUnresolved(cUnit, fieldIdx, field); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 337 | loadWordDisp(cUnit, rSELF, OFFSETOF_MEMBER(Thread, pGet64Static), rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 338 | loadConstant(cUnit, r0, mir->dalvikInsn.vB); |
| 339 | loadCurrMethodDirect(cUnit, r1); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 340 | callRuntimeHelper(cUnit, rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 341 | RegLocation rlResult = oatGetReturnWide(cUnit); |
| 342 | storeValueWide(cUnit, rlDest, rlResult); |
| 343 | } else { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 344 | // Fast path |
| 345 | int fieldOffset = field->GetOffset().Int32Value(); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 346 | // Using fixed register to sync with slow path |
| 347 | int rMethod = r1; |
| 348 | oatLockTemp(cUnit, rMethod); |
| 349 | loadCurrMethodDirect(cUnit, rMethod); |
| 350 | int rBase = r0; |
| 351 | oatLockTemp(cUnit, rBase); |
| 352 | loadWordDisp(cUnit, rMethod, |
| 353 | Method::DexCacheInitializedStaticStorageOffset().Int32Value(), |
| 354 | rBase); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 355 | loadWordDisp(cUnit, rBase, Array::DataOffset().Int32Value() + |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 356 | sizeof(int32_t*)* typeIdx, rBase); |
| 357 | // TUNING: fast path should fall through |
| 358 | ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondNe, rBase, 0); |
| 359 | loadWordDisp(cUnit, rSELF, |
| 360 | OFFSETOF_MEMBER(Thread, pInitializeStaticStorage), rLR); |
| 361 | loadConstant(cUnit, r0, typeIdx); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 362 | callRuntimeHelper(cUnit, rLR); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 363 | ArmLIR* skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 364 | skipTarget->defMask = ENCODE_ALL; |
| 365 | branchOver->generic.target = (LIR*)skipTarget; |
| 366 | rlDest = oatGetDestWide(cUnit, mir, 0, 1); |
| 367 | RegLocation rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 368 | loadBaseDispWide(cUnit, NULL, rBase, fieldOffset, rlResult.lowReg, |
| 369 | rlResult.highReg, INVALID_SREG); |
| 370 | oatFreeTemp(cUnit, rBase); |
| 371 | storeValueWide(cUnit, rlDest, rlResult); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 372 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 373 | } |
| 374 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 375 | STATIC void genSget(CompilationUnit* cUnit, MIR* mir, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 376 | RegLocation rlResult, RegLocation rlDest) |
| 377 | { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 378 | int fieldIdx = mir->dalvikInsn.vB; |
Brian Carlstrom | 845490b | 2011-09-19 15:56:53 -0700 | [diff] [blame] | 379 | uint32_t typeIdx; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 380 | Field* field = FindFieldWithResolvedStaticStorage(cUnit, fieldIdx, typeIdx); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 381 | bool isObject = ((mir->dalvikInsn.opcode == OP_SGET_OBJECT) || |
| 382 | (mir->dalvikInsn.opcode == OP_SGET_OBJECT_VOLATILE)); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 383 | oatFlushAllRegs(cUnit); |
buzbee | 34cd9e5 | 2011-09-08 14:31:52 -0700 | [diff] [blame] | 384 | if (SLOW_FIELD_PATH || field == NULL) { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 385 | // Slow path |
Elliott Hughes | 81bc509 | 2011-09-30 17:25:59 -0700 | [diff] [blame] | 386 | warnIfUnresolved(cUnit, fieldIdx, field); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 387 | int funcOffset = isObject ? OFFSETOF_MEMBER(Thread, pGetObjStatic) |
| 388 | : OFFSETOF_MEMBER(Thread, pGet32Static); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 389 | loadWordDisp(cUnit, rSELF, funcOffset, rLR); |
| 390 | loadConstant(cUnit, r0, mir->dalvikInsn.vB); |
| 391 | loadCurrMethodDirect(cUnit, r1); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 392 | callRuntimeHelper(cUnit, rLR); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 393 | RegLocation rlResult = oatGetReturn(cUnit); |
| 394 | storeValue(cUnit, rlDest, rlResult); |
| 395 | } else { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 396 | // Fast path |
| 397 | int fieldOffset = field->GetOffset().Int32Value(); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 398 | // Using fixed register to sync with slow path |
| 399 | int rMethod = r1; |
| 400 | oatLockTemp(cUnit, rMethod); |
| 401 | loadCurrMethodDirect(cUnit, rMethod); |
| 402 | int rBase = r0; |
| 403 | oatLockTemp(cUnit, rBase); |
| 404 | loadWordDisp(cUnit, rMethod, |
| 405 | Method::DexCacheInitializedStaticStorageOffset().Int32Value(), |
| 406 | rBase); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 407 | loadWordDisp(cUnit, rBase, Array::DataOffset().Int32Value() + |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 408 | sizeof(int32_t*)* typeIdx, rBase); |
| 409 | // TUNING: fast path should fall through |
| 410 | ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondNe, rBase, 0); |
| 411 | loadWordDisp(cUnit, rSELF, |
| 412 | OFFSETOF_MEMBER(Thread, pInitializeStaticStorage), rLR); |
| 413 | loadConstant(cUnit, r0, typeIdx); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 414 | callRuntimeHelper(cUnit, rLR); |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 415 | ArmLIR* skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 416 | skipTarget->defMask = ENCODE_ALL; |
| 417 | branchOver->generic.target = (LIR*)skipTarget; |
| 418 | rlDest = oatGetDest(cUnit, mir, 0); |
| 419 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 420 | #if ANDROID_SMP != 0 |
Elliott Hughes | 1d3f114 | 2011-09-13 12:00:00 -0700 | [diff] [blame] | 421 | if (field->IsVolatile()) { |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 422 | oatGenMemBarrier(cUnit, kSY); |
| 423 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 424 | #endif |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 425 | loadWordDisp(cUnit, rBase, fieldOffset, rlResult.lowReg); |
| 426 | oatFreeTemp(cUnit, rBase); |
| 427 | storeValue(cUnit, rlDest, rlResult); |
buzbee | e193174 | 2011-08-28 21:15:53 -0700 | [diff] [blame] | 428 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 429 | } |
| 430 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 431 | typedef int (*NextCallInsn)(CompilationUnit*, MIR*, DecodedInstruction*, int, |
| 432 | ArmLIR*); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 433 | |
| 434 | /* |
| 435 | * Bit of a hack here - in leiu of a real scheduling pass, |
| 436 | * emit the next instruction in static & direct invoke sequences. |
| 437 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 438 | STATIC int nextSDCallInsn(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 439 | DecodedInstruction* dInsn, int state, |
| 440 | ArmLIR* rollback) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 441 | { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 442 | DCHECK(rollback == NULL); |
| 443 | uint32_t idx = dInsn->vB; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 444 | switch(state) { |
| 445 | case 0: // Get the current Method* [sets r0] |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 446 | loadCurrMethodDirect(cUnit, r0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 447 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 448 | case 1: // Get method->code_and_direct_methods_ |
| 449 | loadWordDisp(cUnit, r0, |
| 450 | Method::GetDexCacheCodeAndDirectMethodsOffset().Int32Value(), |
| 451 | r0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 452 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 453 | case 2: // Grab target method* and target code_ |
| 454 | loadWordDisp(cUnit, r0, |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 455 | CodeAndDirectMethods::CodeOffsetInBytes(idx), rLR); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 456 | loadWordDisp(cUnit, r0, |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 457 | CodeAndDirectMethods::MethodOffsetInBytes(idx), r0); |
buzbee | c5ef046 | 2011-08-25 18:44:49 -0700 | [diff] [blame] | 458 | break; |
| 459 | default: |
| 460 | return -1; |
| 461 | } |
| 462 | return state + 1; |
| 463 | } |
| 464 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 465 | /* |
| 466 | * Bit of a hack here - in leiu of a real scheduling pass, |
| 467 | * emit the next instruction in a virtual invoke sequence. |
| 468 | * We can use rLR as a temp prior to target address loading |
| 469 | * Note also that we'll load the first argument ("this") into |
| 470 | * r1 here rather than the standard loadArgRegs. |
| 471 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 472 | STATIC int nextVCallInsn(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 473 | DecodedInstruction* dInsn, int state, |
| 474 | ArmLIR* rollback) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 475 | { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 476 | DCHECK(rollback == NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 477 | RegLocation rlArg; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 478 | /* |
| 479 | * This is the fast path in which the target virtual method is |
| 480 | * fully resolved at compile time. |
| 481 | */ |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 482 | Method* baseMethod = cUnit->class_linker->ResolveMethod(*cUnit->dex_file, |
| 483 | dInsn->vB, |
| 484 | cUnit->dex_cache, |
| 485 | cUnit->class_loader, |
| 486 | false); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 487 | CHECK(baseMethod != NULL); |
| 488 | uint32_t target_idx = baseMethod->GetMethodIndex(); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 489 | switch(state) { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 490 | case 0: // Get "this" [set r1] |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 491 | rlArg = oatGetSrc(cUnit, mir, 0); |
| 492 | loadValueDirectFixed(cUnit, rlArg, r1); |
| 493 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 494 | case 1: // Is "this" null? [use r1] |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 495 | genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 496 | // get this->klass_ [use r1, set rLR] |
| 497 | loadWordDisp(cUnit, r1, Object::ClassOffset().Int32Value(), rLR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 498 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 499 | case 2: // Get this->klass_->vtable [usr rLR, set rLR] |
| 500 | loadWordDisp(cUnit, rLR, Class::VTableOffset().Int32Value(), rLR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 501 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 502 | case 3: // Get target method [use rLR, set r0] |
| 503 | loadWordDisp(cUnit, rLR, (target_idx * 4) + |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 504 | Array::DataOffset().Int32Value(), r0); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 505 | break; |
| 506 | case 4: // Get the target compiled code address [uses r0, sets rLR] |
| 507 | loadWordDisp(cUnit, r0, Method::GetCodeOffset().Int32Value(), rLR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 508 | break; |
| 509 | default: |
| 510 | return -1; |
| 511 | } |
| 512 | return state + 1; |
| 513 | } |
| 514 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 515 | STATIC int nextVCallInsnSP(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 516 | DecodedInstruction* dInsn, int state, |
| 517 | ArmLIR* rollback) |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 518 | { |
| 519 | RegLocation rlArg; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 520 | ArmLIR* skipBranch; |
| 521 | ArmLIR* skipTarget; |
| 522 | /* |
| 523 | * This handles the case in which the base method is not fully |
| 524 | * resolved at compile time. We must generate code to test |
| 525 | * for resolution a run time, bail to the slow path if not to |
| 526 | * fill in all the tables. In the latter case, we'll restart at |
| 527 | * at the beginning of the sequence. |
| 528 | */ |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 529 | switch(state) { |
| 530 | case 0: // Get the current Method* [sets r0] |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 531 | loadCurrMethodDirect(cUnit, r0); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 532 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 533 | case 1: // Get method->dex_cache_resolved_methods_ |
| 534 | loadWordDisp(cUnit, r0, |
| 535 | Method::GetDexCacheResolvedMethodsOffset().Int32Value(), rLR); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 536 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 537 | case 2: // method->dex_cache_resolved_methods_->Get(method_idx) |
| 538 | loadWordDisp(cUnit, rLR, (dInsn->vB * 4) + |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 539 | Array::DataOffset().Int32Value(), rLR); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 540 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 541 | case 3: // Resolved? |
| 542 | skipBranch = genCmpImmBranch(cUnit, kArmCondNe, rLR, 0); |
| 543 | // Slowest path, bail to helper, rollback and retry |
| 544 | loadWordDisp(cUnit, rSELF, |
| 545 | OFFSETOF_MEMBER(Thread, pResolveMethodFromCode), rLR); |
| 546 | loadConstant(cUnit, r1, dInsn->vB); |
buzbee | 48d7222 | 2012-01-11 15:19:51 -0800 | [diff] [blame] | 547 | loadConstant(cUnit, r2, false); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 548 | callRuntimeHelper(cUnit, rLR); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 549 | genUnconditionalBranch(cUnit, rollback); |
| 550 | // Resume normal slow path |
| 551 | skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 552 | skipTarget->defMask = ENCODE_ALL; |
| 553 | skipBranch->generic.target = (LIR*)skipTarget; |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 554 | // Get base_method->method_index [usr rLR, set r0] |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 555 | loadBaseDisp(cUnit, mir, rLR, |
| 556 | Method::GetMethodIndexOffset().Int32Value(), r0, |
| 557 | kUnsignedHalf, INVALID_SREG); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 558 | // Load "this" [set r1] |
| 559 | rlArg = oatGetSrc(cUnit, mir, 0); |
| 560 | loadValueDirectFixed(cUnit, rlArg, r1); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 561 | break; |
| 562 | case 4: |
| 563 | // Is "this" null? [use r1] |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 564 | genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 565 | // get this->clazz [use r1, set rLR] |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 566 | loadWordDisp(cUnit, r1, Object::ClassOffset().Int32Value(), rLR); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 567 | break; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 568 | case 5: |
| 569 | // get this->klass_->vtable_ [usr rLR, set rLR] |
| 570 | loadWordDisp(cUnit, rLR, Class::VTableOffset().Int32Value(), rLR); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 571 | DCHECK_EQ((Array::DataOffset().Int32Value() & 0x3), 0); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 572 | // In load shadow fold vtable_ object header size into method_index_ |
| 573 | opRegImm(cUnit, kOpAdd, r0, |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 574 | Array::DataOffset().Int32Value() / 4); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 575 | // Get target Method* |
| 576 | loadBaseIndexed(cUnit, rLR, r0, r0, 2, kWord); |
| 577 | break; |
| 578 | case 6: // Get the target compiled code address [uses r0, sets rLR] |
| 579 | loadWordDisp(cUnit, r0, Method::GetCodeOffset().Int32Value(), rLR); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 580 | break; |
| 581 | default: |
| 582 | return -1; |
| 583 | } |
| 584 | return state + 1; |
| 585 | } |
| 586 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 587 | STATIC int loadArgRegs(CompilationUnit* cUnit, MIR* mir, |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 588 | DecodedInstruction* dInsn, int callState, |
| 589 | NextCallInsn nextCallInsn, ArmLIR* rollback, |
| 590 | bool skipThis) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 591 | { |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 592 | int nextReg = r1; |
| 593 | int nextArg = 0; |
| 594 | if (skipThis) { |
| 595 | nextReg++; |
| 596 | nextArg++; |
| 597 | } |
| 598 | for (; (nextReg <= r3) && (nextArg < mir->ssaRep->numUses); nextReg++) { |
| 599 | RegLocation rlArg = oatGetRawSrc(cUnit, mir, nextArg++); |
| 600 | rlArg = oatUpdateRawLoc(cUnit, rlArg); |
| 601 | if (rlArg.wide && (nextReg <= r2)) { |
| 602 | loadValueDirectWideFixed(cUnit, rlArg, nextReg, nextReg + 1); |
| 603 | nextReg++; |
| 604 | nextArg++; |
| 605 | } else { |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 606 | rlArg.wide = false; |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 607 | loadValueDirectFixed(cUnit, rlArg, nextReg); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 608 | } |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 609 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 610 | } |
| 611 | return callState; |
| 612 | } |
| 613 | |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 614 | // Interleave launch code for INVOKE_INTERFACE. |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 615 | STATIC int nextInterfaceCallInsn(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 616 | DecodedInstruction* dInsn, int state, |
| 617 | ArmLIR* rollback) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 618 | { |
buzbee | 510c605 | 2011-10-27 10:47:20 -0700 | [diff] [blame] | 619 | DCHECK(rollback == NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 620 | switch(state) { |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 621 | case 0: // Load trampoline target |
| 622 | loadWordDisp(cUnit, rSELF, |
| 623 | OFFSETOF_MEMBER(Thread, pInvokeInterfaceTrampoline), |
| 624 | rLR); |
| 625 | // Load r0 with method index |
| 626 | loadConstant(cUnit, r0, dInsn->vB); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 627 | break; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 628 | default: |
| 629 | return -1; |
| 630 | } |
| 631 | return state + 1; |
| 632 | } |
| 633 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 634 | /* |
| 635 | * Interleave launch code for INVOKE_SUPER. See comments |
| 636 | * for nextVCallIns. |
| 637 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 638 | STATIC int nextSuperCallInsn(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 639 | DecodedInstruction* dInsn, int state, |
| 640 | ArmLIR* rollback) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 641 | { |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 642 | DCHECK(rollback == NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 643 | RegLocation rlArg; |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 644 | /* |
| 645 | * This is the fast path in which the target virtual method is |
| 646 | * fully resolved at compile time. Note also that this path assumes |
| 647 | * that the check to verify that the target method index falls |
| 648 | * within the size of the super's vtable has been done at compile-time. |
| 649 | */ |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 650 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 651 | Method* baseMethod = class_linker->ResolveMethod(*cUnit->dex_file, |
| 652 | dInsn->vB, |
| 653 | cUnit->dex_cache, |
| 654 | cUnit->class_loader, |
| 655 | false); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 656 | CHECK(baseMethod != NULL); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 657 | Class* declaring_class = cUnit->dex_cache->GetResolvedTypes() |
| 658 | ->Get(cUnit->dex_file->GetMethodId(cUnit->method_idx).class_idx_); |
| 659 | Class* superClass = (declaring_class != NULL) |
| 660 | ? declaring_class->GetSuperClass() : NULL; |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 661 | CHECK(superClass != NULL); |
| 662 | int32_t target_idx = baseMethod->GetMethodIndex(); |
| 663 | CHECK(superClass->GetVTable()->GetLength() > target_idx); |
| 664 | Method* targetMethod = superClass->GetVTable()->Get(target_idx); |
| 665 | CHECK(targetMethod != NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 666 | switch(state) { |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 667 | case 0: // Get current Method* [set r0] |
buzbee | dfd3d70 | 2011-08-28 12:56:51 -0700 | [diff] [blame] | 668 | loadCurrMethodDirect(cUnit, r0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 669 | // Load "this" [set r1] |
| 670 | rlArg = oatGetSrc(cUnit, mir, 0); |
| 671 | loadValueDirectFixed(cUnit, rlArg, r1); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 672 | // Get method->declaring_class_ [use r0, set rLR] |
| 673 | loadWordDisp(cUnit, r0, Method::DeclaringClassOffset().Int32Value(), |
| 674 | rLR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 675 | // Is "this" null? [use r1] |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 676 | genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 677 | break; |
| 678 | case 1: // Get method->declaring_class_->super_class [usr rLR, set rLR] |
| 679 | loadWordDisp(cUnit, rLR, Class::SuperClassOffset().Int32Value(), |
| 680 | rLR); |
| 681 | break; |
| 682 | case 2: // Get ...->super_class_->vtable [u/s rLR] |
| 683 | loadWordDisp(cUnit, rLR, Class::VTableOffset().Int32Value(), rLR); |
| 684 | break; |
| 685 | case 3: // Get target method [use rLR, set r0] |
| 686 | loadWordDisp(cUnit, rLR, (target_idx * 4) + |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 687 | Array::DataOffset().Int32Value(), r0); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 688 | break; |
| 689 | case 4: // Get the target compiled code address [uses r0, sets rLR] |
| 690 | loadWordDisp(cUnit, r0, Method::GetCodeOffset().Int32Value(), rLR); |
| 691 | break; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 692 | default: |
| 693 | return -1; |
| 694 | } |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 695 | return state + 1; |
| 696 | } |
| 697 | |
| 698 | /* Slow-path version of nextSuperCallInsn */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 699 | STATIC int nextSuperCallInsnSP(CompilationUnit* cUnit, MIR* mir, |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 700 | DecodedInstruction* dInsn, int state, |
| 701 | ArmLIR* rollback) |
| 702 | { |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 703 | RegLocation rlArg; |
| 704 | ArmLIR* skipBranch; |
| 705 | ArmLIR* skipTarget; |
| 706 | int tReg; |
| 707 | /* |
| 708 | * This handles the case in which the base method is not fully |
| 709 | * resolved at compile time. We must generate code to test |
| 710 | * for resolution a run time, bail to the slow path if not to |
| 711 | * fill in all the tables. In the latter case, we'll restart at |
| 712 | * at the beginning of the sequence. |
| 713 | */ |
| 714 | switch(state) { |
| 715 | case 0: // Get the current Method* [sets r0] |
| 716 | loadCurrMethodDirect(cUnit, r0); |
| 717 | break; |
buzbee | 34c77ad | 2012-01-11 13:01:32 -0800 | [diff] [blame] | 718 | case 1: // Get method->dex_cache_resolved_methods_ [uses r0, set rLR] |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 719 | loadWordDisp(cUnit, r0, |
| 720 | Method::GetDexCacheResolvedMethodsOffset().Int32Value(), rLR); |
| 721 | break; |
| 722 | case 2: // method->dex_cache_resolved_methods_->Get(meth_idx) [u/s rLR] |
| 723 | loadWordDisp(cUnit, rLR, (dInsn->vB * 4) + |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 724 | Array::DataOffset().Int32Value(), rLR); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 725 | break; |
| 726 | case 3: // Resolved? |
| 727 | skipBranch = genCmpImmBranch(cUnit, kArmCondNe, rLR, 0); |
| 728 | // Slowest path, bail to helper, rollback and retry |
| 729 | loadWordDisp(cUnit, rSELF, |
| 730 | OFFSETOF_MEMBER(Thread, pResolveMethodFromCode), rLR); |
| 731 | loadConstant(cUnit, r1, dInsn->vB); |
buzbee | 48d7222 | 2012-01-11 15:19:51 -0800 | [diff] [blame] | 732 | loadConstant(cUnit, r2, true); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 733 | callRuntimeHelper(cUnit, rLR); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 734 | genUnconditionalBranch(cUnit, rollback); |
| 735 | // Resume normal slow path |
| 736 | skipTarget = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 737 | skipTarget->defMask = ENCODE_ALL; |
| 738 | skipBranch->generic.target = (LIR*)skipTarget; |
| 739 | // Get base_method->method_index [usr rLR, set rLR] |
| 740 | loadBaseDisp(cUnit, mir, rLR, |
| 741 | Method::GetMethodIndexOffset().Int32Value(), rLR, |
| 742 | kUnsignedHalf, INVALID_SREG); |
| 743 | // Load "this" [set r1] |
| 744 | rlArg = oatGetSrc(cUnit, mir, 0); |
| 745 | loadValueDirectFixed(cUnit, rlArg, r1); |
| 746 | // Load curMethod->declaring_class_ [uses r0, sets r0] |
| 747 | loadWordDisp(cUnit, r0, Method::DeclaringClassOffset().Int32Value(), |
| 748 | r0); |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 749 | // Null this? |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 750 | genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 751 | // Get method->declaring_class_->super_class [usr r0, set r0] |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 752 | loadWordDisp(cUnit, r0, Class::SuperClassOffset().Int32Value(), r0); |
| 753 | break; |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 754 | case 4: // Get ...->super_class_->vtable [u/s r0] |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 755 | loadWordDisp(cUnit, r0, Class::VTableOffset().Int32Value(), r0); |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 756 | if (!(mir->optimizationFlags & MIR_IGNORE_RANGE_CHECK)) { |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 757 | // Range check, throw NSM on failure |
| 758 | tReg = oatAllocTemp(cUnit); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 759 | loadWordDisp(cUnit, r0, Array::LengthOffset().Int32Value(), |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 760 | tReg); |
buzbee | 13ac45a | 2012-01-12 12:30:16 -0800 | [diff] [blame] | 761 | genRegRegCheck(cUnit, kArmCondCs, rLR, tReg, mir, |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 762 | kArmThrowNoSuchMethod); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 763 | oatFreeTemp(cUnit, tReg); |
| 764 | } |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 765 | // Adjust vtable_ base past object header |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 766 | opRegImm(cUnit, kOpAdd, r0, Array::DataOffset().Int32Value()); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 767 | // Get target Method* |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 768 | loadBaseIndexed(cUnit, r0, rLR, r0, 2, kWord); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 769 | break; |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 770 | case 5: // Get the target compiled code address [uses r0, sets rLR] |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 771 | loadWordDisp(cUnit, r0, Method::GetCodeOffset().Int32Value(), rLR); |
| 772 | break; |
| 773 | default: |
| 774 | return -1; |
| 775 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 776 | return state + 1; |
| 777 | } |
| 778 | |
| 779 | /* |
| 780 | * Load up to 5 arguments, the first three of which will be in |
| 781 | * r1 .. r3. On entry r0 contains the current method pointer, |
| 782 | * and as part of the load sequence, it must be replaced with |
| 783 | * the target method pointer. Note, this may also be called |
| 784 | * for "range" variants if the number of arguments is 5 or fewer. |
| 785 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 786 | STATIC int genDalvikArgsNoRange(CompilationUnit* cUnit, MIR* mir, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 787 | DecodedInstruction* dInsn, int callState, |
| 788 | ArmLIR** pcrLabel, bool isRange, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 789 | NextCallInsn nextCallInsn, ArmLIR* rollback, |
| 790 | bool skipThis) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 791 | { |
| 792 | RegLocation rlArg; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 793 | |
| 794 | /* If no arguments, just return */ |
| 795 | if (dInsn->vA == 0) |
| 796 | return callState; |
| 797 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 798 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 799 | |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 800 | DCHECK_LE(dInsn->vA, 5U); |
| 801 | if (dInsn->vA > 3) { |
| 802 | uint32_t nextUse = 3; |
| 803 | //Detect special case of wide arg spanning arg3/arg4 |
| 804 | RegLocation rlUse0 = oatGetRawSrc(cUnit, mir, 0); |
| 805 | RegLocation rlUse1 = oatGetRawSrc(cUnit, mir, 1); |
| 806 | RegLocation rlUse2 = oatGetRawSrc(cUnit, mir, 2); |
| 807 | if (((!rlUse0.wide && !rlUse1.wide) || rlUse0.wide) && |
| 808 | rlUse2.wide) { |
| 809 | int reg; |
| 810 | // Wide spans, we need the 2nd half of uses[2]. |
| 811 | rlArg = oatUpdateLocWide(cUnit, rlUse2); |
| 812 | if (rlArg.location == kLocPhysReg) { |
| 813 | reg = rlArg.highReg; |
| 814 | } else { |
| 815 | // r2 & r3 can safely be used here |
| 816 | reg = r3; |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 817 | loadWordDisp(cUnit, rSP, |
| 818 | oatSRegOffset(cUnit, rlArg.sRegLow) + 4, reg); |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 819 | callState = nextCallInsn(cUnit, mir, dInsn, callState, |
| 820 | rollback); |
| 821 | } |
| 822 | storeBaseDisp(cUnit, rSP, (nextUse + 1) * 4, reg, kWord); |
| 823 | storeBaseDisp(cUnit, rSP, 16 /* (3+1)*4 */, reg, kWord); |
| 824 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
| 825 | nextUse++; |
| 826 | } |
| 827 | // Loop through the rest |
| 828 | while (nextUse < dInsn->vA) { |
| 829 | int lowReg; |
| 830 | int highReg; |
| 831 | rlArg = oatGetRawSrc(cUnit, mir, nextUse); |
| 832 | rlArg = oatUpdateRawLoc(cUnit, rlArg); |
| 833 | if (rlArg.location == kLocPhysReg) { |
| 834 | lowReg = rlArg.lowReg; |
| 835 | highReg = rlArg.highReg; |
| 836 | } else { |
| 837 | lowReg = r2; |
| 838 | highReg = r3; |
| 839 | if (rlArg.wide) { |
| 840 | loadValueDirectWideFixed(cUnit, rlArg, lowReg, highReg); |
| 841 | } else { |
| 842 | loadValueDirectFixed(cUnit, rlArg, lowReg); |
| 843 | } |
| 844 | callState = nextCallInsn(cUnit, mir, dInsn, callState, |
| 845 | rollback); |
| 846 | } |
| 847 | int outsOffset = (nextUse + 1) * 4; |
| 848 | if (rlArg.wide) { |
| 849 | storeBaseDispWide(cUnit, rSP, outsOffset, lowReg, highReg); |
| 850 | nextUse += 2; |
| 851 | } else { |
| 852 | storeWordDisp(cUnit, rSP, outsOffset, lowReg); |
| 853 | nextUse++; |
| 854 | } |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 855 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 856 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 857 | } |
| 858 | |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 859 | callState = loadArgRegs(cUnit, mir, dInsn, callState, nextCallInsn, |
| 860 | rollback, skipThis); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 861 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 862 | if (pcrLabel) { |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 863 | *pcrLabel = genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 864 | } |
| 865 | return callState; |
| 866 | } |
| 867 | |
| 868 | /* |
| 869 | * May have 0+ arguments (also used for jumbo). Note that |
| 870 | * source virtual registers may be in physical registers, so may |
| 871 | * need to be flushed to home location before copying. This |
| 872 | * applies to arg3 and above (see below). |
| 873 | * |
| 874 | * Two general strategies: |
| 875 | * If < 20 arguments |
| 876 | * Pass args 3-18 using vldm/vstm block copy |
| 877 | * Pass arg0, arg1 & arg2 in r1-r3 |
| 878 | * If 20+ arguments |
| 879 | * Pass args arg19+ using memcpy block copy |
| 880 | * Pass arg0, arg1 & arg2 in r1-r3 |
| 881 | * |
| 882 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 883 | STATIC int genDalvikArgsRange(CompilationUnit* cUnit, MIR* mir, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 884 | DecodedInstruction* dInsn, int callState, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 885 | ArmLIR** pcrLabel, NextCallInsn nextCallInsn, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 886 | ArmLIR* rollback, bool skipThis) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 887 | { |
| 888 | int firstArg = dInsn->vC; |
| 889 | int numArgs = dInsn->vA; |
buzbee | e9a72f6 | 2011-09-04 17:59:07 -0700 | [diff] [blame] | 890 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 891 | // If we can treat it as non-range (Jumbo ops will use range form) |
| 892 | if (numArgs <= 5) |
| 893 | return genDalvikArgsNoRange(cUnit, mir, dInsn, callState, pcrLabel, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 894 | true, nextCallInsn, rollback, skipThis); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 895 | /* |
| 896 | * Make sure range list doesn't span the break between in normal |
| 897 | * Dalvik vRegs and the ins. |
| 898 | */ |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 899 | int highestArg = oatGetSrc(cUnit, mir, numArgs-1).sRegLow; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 900 | int boundaryReg = cUnit->numDalvikRegisters - cUnit->numIns; |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 901 | if ((firstArg < boundaryReg) && (highestArg >= boundaryReg)) { |
| 902 | LOG(FATAL) << "Argument list spanned locals & args"; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | /* |
| 906 | * First load the non-register arguments. Both forms expect all |
| 907 | * of the source arguments to be in their home frame location, so |
| 908 | * scan the sReg names and flush any that have been promoted to |
| 909 | * frame backing storage. |
| 910 | */ |
| 911 | // Scan the rest of the args - if in physReg flush to memory |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 912 | for (int nextArg = 0; nextArg < numArgs;) { |
| 913 | RegLocation loc = oatGetRawSrc(cUnit, mir, nextArg); |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 914 | if (loc.wide) { |
| 915 | loc = oatUpdateLocWide(cUnit, loc); |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 916 | if ((nextArg >= 2) && (loc.location == kLocPhysReg)) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 917 | storeBaseDispWide(cUnit, rSP, |
| 918 | oatSRegOffset(cUnit, loc.sRegLow), |
| 919 | loc.lowReg, loc.highReg); |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 920 | } |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 921 | nextArg += 2; |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 922 | } else { |
| 923 | loc = oatUpdateLoc(cUnit, loc); |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 924 | if ((nextArg >= 3) && (loc.location == kLocPhysReg)) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 925 | storeBaseDisp(cUnit, rSP, oatSRegOffset(cUnit, loc.sRegLow), |
| 926 | loc.lowReg, kWord); |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 927 | } |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 928 | nextArg++; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 929 | } |
| 930 | } |
| 931 | |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 932 | int startOffset = oatSRegOffset(cUnit, |
| 933 | cUnit->regLocation[mir->ssaRep->uses[3]].sRegLow); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 934 | int outsOffset = 4 /* Method* */ + (3 * 4); |
| 935 | if (numArgs >= 20) { |
buzbee | c0fe6c7 | 2011-09-18 20:19:14 -0700 | [diff] [blame] | 936 | // Generate memcpy |
| 937 | opRegRegImm(cUnit, kOpAdd, r0, rSP, outsOffset); |
| 938 | opRegRegImm(cUnit, kOpAdd, r1, rSP, startOffset); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 939 | loadWordDisp(cUnit, rSELF, OFFSETOF_MEMBER(Thread, pMemcpy), rLR); |
| 940 | loadConstant(cUnit, r2, (numArgs - 3) * 4); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 941 | callRuntimeHelper(cUnit, rLR); |
buzbee | 010cffc | 2011-09-21 18:28:43 -0700 | [diff] [blame] | 942 | // Restore Method* |
| 943 | loadCurrMethodDirect(cUnit, r0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 944 | } else { |
| 945 | // Use vldm/vstm pair using r3 as a temp |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 946 | int regsLeft = std::min(numArgs - 3, 16); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 947 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 948 | opRegRegImm(cUnit, kOpAdd, r3, rSP, startOffset); |
buzbee | f48e971 | 2011-09-15 17:54:28 -0700 | [diff] [blame] | 949 | ArmLIR* ld = newLIR3(cUnit, kThumb2Vldms, r3, fr0, regsLeft); |
| 950 | //TUNING: loosen barrier |
| 951 | ld->defMask = ENCODE_ALL; |
| 952 | setMemRefType(ld, true /* isLoad */, kDalvikReg); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 953 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 954 | opRegRegImm(cUnit, kOpAdd, r3, rSP, 4 /* Method* */ + (3 * 4)); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 955 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | f48e971 | 2011-09-15 17:54:28 -0700 | [diff] [blame] | 956 | ArmLIR* st = newLIR3(cUnit, kThumb2Vstms, r3, fr0, regsLeft); |
| 957 | setMemRefType(st, false /* isLoad */, kDalvikReg); |
| 958 | st->defMask = ENCODE_ALL; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 959 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 960 | } |
| 961 | |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 962 | callState = loadArgRegs(cUnit, mir, dInsn, callState, nextCallInsn, |
| 963 | rollback, skipThis); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 964 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 965 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 99f2723 | 2011-10-05 12:56:36 -0700 | [diff] [blame] | 966 | if (pcrLabel) { |
| 967 | *pcrLabel = genNullCheck(cUnit, oatSSASrc(mir,0), r1, mir); |
| 968 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 969 | return callState; |
| 970 | } |
| 971 | |
buzbee | 2a475e7 | 2011-09-07 17:19:17 -0700 | [diff] [blame] | 972 | // Debugging routine - if null target, branch to DebugMe |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 973 | STATIC void genShowTarget(CompilationUnit* cUnit) |
buzbee | 2a475e7 | 2011-09-07 17:19:17 -0700 | [diff] [blame] | 974 | { |
| 975 | ArmLIR* branchOver = genCmpImmBranch(cUnit, kArmCondNe, rLR, 0); |
| 976 | loadWordDisp(cUnit, rSELF, |
| 977 | OFFSETOF_MEMBER(Thread, pDebugMe), rLR); |
| 978 | ArmLIR* target = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 979 | target->defMask = -1; |
| 980 | branchOver->generic.target = (LIR*)target; |
| 981 | } |
buzbee | 2a475e7 | 2011-09-07 17:19:17 -0700 | [diff] [blame] | 982 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 983 | STATIC void genInvokeStaticDirect(CompilationUnit* cUnit, MIR* mir, |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 984 | bool direct, bool range) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 985 | { |
| 986 | DecodedInstruction* dInsn = &mir->dalvikInsn; |
| 987 | int callState = 0; |
| 988 | ArmLIR* nullCk; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 989 | ArmLIR** pNullCk = direct ? &nullCk : NULL; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 990 | NextCallInsn nextCallInsn = nextSDCallInsn; |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 991 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 992 | |
buzbee | 109bd6a | 2011-09-06 13:58:41 -0700 | [diff] [blame] | 993 | // Explicit register usage |
| 994 | oatLockCallTemps(cUnit); |
| 995 | |
buzbee | 99f2723 | 2011-10-05 12:56:36 -0700 | [diff] [blame] | 996 | // Is this the special "Ljava/lang/Object;.<init>:()V" case? |
| 997 | if (mir->dalvikInsn.opcode == OP_INVOKE_DIRECT) { |
| 998 | int idx = mir->dalvikInsn.vB; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 999 | Method* target = cUnit->dex_cache->GetResolvedMethods()->Get(idx); |
buzbee | 99f2723 | 2011-10-05 12:56:36 -0700 | [diff] [blame] | 1000 | if (target) { |
| 1001 | if (PrettyMethod(target) == "java.lang.Object.<init>()V") { |
| 1002 | RegLocation rlArg = oatGetSrc(cUnit, mir, 0); |
| 1003 | loadValueDirectFixed(cUnit, rlArg, r0); |
| 1004 | loadWordDisp(cUnit, rSELF, |
| 1005 | OFFSETOF_MEMBER(Thread, pObjectInit), rLR); |
| 1006 | genNullCheck(cUnit, oatSSASrc(mir,0), r0, mir); |
| 1007 | opReg(cUnit, kOpBlx, rLR); |
| 1008 | oatClobberCalleeSave(cUnit); |
| 1009 | return; |
| 1010 | } |
| 1011 | } |
| 1012 | } |
| 1013 | |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1014 | if (range) { |
| 1015 | callState = genDalvikArgsRange(cUnit, mir, dInsn, callState, pNullCk, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1016 | nextCallInsn, NULL, false); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1017 | } else { |
| 1018 | callState = genDalvikArgsNoRange(cUnit, mir, dInsn, callState, pNullCk, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1019 | false, nextCallInsn, NULL, false); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1020 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1021 | // Finish up any of the call sequence not interleaved in arg loading |
| 1022 | while (callState >= 0) { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1023 | callState = nextCallInsn(cUnit, mir, dInsn, callState, NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1024 | } |
buzbee | ce30293 | 2011-10-04 14:32:18 -0700 | [diff] [blame] | 1025 | if (DISPLAY_MISSING_TARGETS) { |
| 1026 | genShowTarget(cUnit); |
| 1027 | } |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 1028 | opReg(cUnit, kOpBlx, rLR); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1029 | oatClobberCalleeSave(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1030 | } |
| 1031 | |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 1032 | /* |
| 1033 | * All invoke-interface calls bounce off of art_invoke_interface_trampoline, |
| 1034 | * which will locate the target and continue on via a tail call. |
| 1035 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1036 | STATIC void genInvokeInterface(CompilationUnit* cUnit, MIR* mir) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1037 | { |
| 1038 | DecodedInstruction* dInsn = &mir->dalvikInsn; |
| 1039 | int callState = 0; |
| 1040 | ArmLIR* nullCk; |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1041 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
buzbee | 109bd6a | 2011-09-06 13:58:41 -0700 | [diff] [blame] | 1042 | |
| 1043 | // Explicit register usage |
| 1044 | oatLockCallTemps(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1045 | /* Note: must call nextInterfaceCallInsn() prior to 1st argument load */ |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1046 | callState = nextInterfaceCallInsn(cUnit, mir, dInsn, callState, NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1047 | if (mir->dalvikInsn.opcode == OP_INVOKE_INTERFACE) |
| 1048 | callState = genDalvikArgsNoRange(cUnit, mir, dInsn, callState, &nullCk, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1049 | false, nextInterfaceCallInsn, NULL, |
buzbee | 367ce0b | 2011-09-14 23:19:50 -0700 | [diff] [blame] | 1050 | false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1051 | else |
| 1052 | callState = genDalvikArgsRange(cUnit, mir, dInsn, callState, &nullCk, |
buzbee | 367ce0b | 2011-09-14 23:19:50 -0700 | [diff] [blame] | 1053 | nextInterfaceCallInsn, NULL, false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1054 | // Finish up any of the call sequence not interleaved in arg loading |
| 1055 | while (callState >= 0) { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1056 | callState = nextInterfaceCallInsn(cUnit, mir, dInsn, callState, NULL); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1057 | } |
buzbee | ce30293 | 2011-10-04 14:32:18 -0700 | [diff] [blame] | 1058 | if (DISPLAY_MISSING_TARGETS) { |
| 1059 | genShowTarget(cUnit); |
| 1060 | } |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 1061 | opReg(cUnit, kOpBlx, rLR); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1062 | oatClobberCalleeSave(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1063 | } |
| 1064 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1065 | STATIC void genInvokeSuper(CompilationUnit* cUnit, MIR* mir) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1066 | { |
| 1067 | DecodedInstruction* dInsn = &mir->dalvikInsn; |
| 1068 | int callState = 0; |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 1069 | ArmLIR* rollback; |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 1070 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1071 | Method* baseMethod = class_linker->ResolveMethod(*cUnit->dex_file, |
| 1072 | dInsn->vB, |
| 1073 | cUnit->dex_cache, |
| 1074 | cUnit->class_loader, |
| 1075 | false); |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 1076 | NextCallInsn nextCallInsn; |
| 1077 | bool fastPath = true; |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1078 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
buzbee | 109bd6a | 2011-09-06 13:58:41 -0700 | [diff] [blame] | 1079 | |
| 1080 | // Explicit register usage |
| 1081 | oatLockCallTemps(cUnit); |
buzbee | 34c77ad | 2012-01-11 13:01:32 -0800 | [diff] [blame] | 1082 | |
| 1083 | // For testing, force call to artResolveMethodFromCode & ignore result |
| 1084 | if (EXERCISE_RESOLVE_METHOD) { |
| 1085 | loadCurrMethodDirect(cUnit, r0); |
| 1086 | loadWordDisp(cUnit, rSELF, |
| 1087 | OFFSETOF_MEMBER(Thread, pResolveMethodFromCode), rLR); |
| 1088 | loadConstant(cUnit, r1, dInsn->vB); |
buzbee | 48d7222 | 2012-01-11 15:19:51 -0800 | [diff] [blame] | 1089 | loadConstant(cUnit, r2, true); |
buzbee | 34c77ad | 2012-01-11 13:01:32 -0800 | [diff] [blame] | 1090 | callRuntimeHelper(cUnit, rLR); |
| 1091 | } |
| 1092 | |
buzbee | 34cd9e5 | 2011-09-08 14:31:52 -0700 | [diff] [blame] | 1093 | if (SLOW_INVOKE_PATH || baseMethod == NULL) { |
Ian Rogers | bd44135 | 2011-10-31 10:49:47 -0700 | [diff] [blame] | 1094 | Thread* thread = Thread::Current(); |
| 1095 | if (thread->IsExceptionPending()) { // clear any exception left by resolve method |
| 1096 | thread->ClearException(); |
| 1097 | } |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 1098 | fastPath = false; |
| 1099 | } else { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1100 | Class* declaring_class = cUnit->dex_cache->GetResolvedTypes() |
| 1101 | ->Get(cUnit->dex_file->GetMethodId(cUnit->method_idx).class_idx_); |
| 1102 | Class* superClass = (declaring_class != NULL) |
| 1103 | ? declaring_class->GetSuperClass() : NULL; |
buzbee | 4a3164f | 2011-09-03 11:25:10 -0700 | [diff] [blame] | 1104 | if (superClass == NULL) { |
| 1105 | fastPath = false; |
| 1106 | } else { |
| 1107 | int32_t target_idx = baseMethod->GetMethodIndex(); |
| 1108 | if (superClass->GetVTable()->GetLength() <= target_idx) { |
| 1109 | fastPath = false; |
| 1110 | } else { |
| 1111 | fastPath = (superClass->GetVTable()->Get(target_idx) != NULL); |
| 1112 | } |
| 1113 | } |
| 1114 | } |
| 1115 | if (fastPath) { |
| 1116 | nextCallInsn = nextSuperCallInsn; |
| 1117 | rollback = NULL; |
| 1118 | } else { |
| 1119 | nextCallInsn = nextSuperCallInsnSP; |
| 1120 | rollback = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 1121 | rollback->defMask = -1; |
| 1122 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1123 | if (mir->dalvikInsn.opcode == OP_INVOKE_SUPER) |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1124 | callState = genDalvikArgsNoRange(cUnit, mir, dInsn, callState, NULL, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1125 | false, nextCallInsn, rollback, true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1126 | else |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1127 | callState = genDalvikArgsRange(cUnit, mir, dInsn, callState, NULL, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1128 | nextCallInsn, rollback, true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1129 | // Finish up any of the call sequence not interleaved in arg loading |
| 1130 | while (callState >= 0) { |
buzbee | 6a0f7f5 | 2011-09-05 16:14:20 -0700 | [diff] [blame] | 1131 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1132 | } |
buzbee | ce30293 | 2011-10-04 14:32:18 -0700 | [diff] [blame] | 1133 | if (DISPLAY_MISSING_TARGETS) { |
| 1134 | genShowTarget(cUnit); |
| 1135 | } |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 1136 | opReg(cUnit, kOpBlx, rLR); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1137 | oatClobberCalleeSave(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1138 | } |
| 1139 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1140 | STATIC void genInvokeVirtual(CompilationUnit* cUnit, MIR* mir) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1141 | { |
| 1142 | DecodedInstruction* dInsn = &mir->dalvikInsn; |
| 1143 | int callState = 0; |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1144 | ArmLIR* rollback; |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 1145 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1146 | Method* method = class_linker->ResolveMethod(*cUnit->dex_file, |
| 1147 | dInsn->vB, |
| 1148 | cUnit->dex_cache, |
| 1149 | cUnit->class_loader, |
| 1150 | false); |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1151 | NextCallInsn nextCallInsn; |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1152 | oatFlushAllRegs(cUnit); /* Everything to home location */ |
buzbee | 109bd6a | 2011-09-06 13:58:41 -0700 | [diff] [blame] | 1153 | // Explicit register usage |
| 1154 | oatLockCallTemps(cUnit); |
buzbee | 34c77ad | 2012-01-11 13:01:32 -0800 | [diff] [blame] | 1155 | |
| 1156 | // For testing, force call to artResolveMethodFromCode & ignore result |
| 1157 | if (EXERCISE_RESOLVE_METHOD) { |
| 1158 | loadCurrMethodDirect(cUnit, r0); |
| 1159 | loadWordDisp(cUnit, rSELF, |
| 1160 | OFFSETOF_MEMBER(Thread, pResolveMethodFromCode), rLR); |
| 1161 | loadConstant(cUnit, r1, dInsn->vB); |
buzbee | 48d7222 | 2012-01-11 15:19:51 -0800 | [diff] [blame] | 1162 | loadConstant(cUnit, r2, false); |
buzbee | 34c77ad | 2012-01-11 13:01:32 -0800 | [diff] [blame] | 1163 | callRuntimeHelper(cUnit, rLR); |
| 1164 | } |
| 1165 | |
buzbee | 34cd9e5 | 2011-09-08 14:31:52 -0700 | [diff] [blame] | 1166 | if (SLOW_INVOKE_PATH || method == NULL) { |
Ian Rogers | bd44135 | 2011-10-31 10:49:47 -0700 | [diff] [blame] | 1167 | Thread* thread = Thread::Current(); |
| 1168 | if (thread->IsExceptionPending()) { // clear any exception left by resolve method |
| 1169 | thread->ClearException(); |
| 1170 | } |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1171 | // Slow path |
| 1172 | nextCallInsn = nextVCallInsnSP; |
| 1173 | // If we need a slow-path callout, we'll restart here |
| 1174 | rollback = newLIR0(cUnit, kArmPseudoTargetLabel); |
| 1175 | rollback->defMask = -1; |
| 1176 | } else { |
| 1177 | // Fast path |
| 1178 | nextCallInsn = nextVCallInsn; |
| 1179 | rollback = NULL; |
| 1180 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1181 | if (mir->dalvikInsn.opcode == OP_INVOKE_VIRTUAL) |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1182 | callState = genDalvikArgsNoRange(cUnit, mir, dInsn, callState, NULL, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1183 | false, nextCallInsn, rollback, true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1184 | else |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 1185 | callState = genDalvikArgsRange(cUnit, mir, dInsn, callState, NULL, |
buzbee | 1da522d | 2011-09-04 11:22:20 -0700 | [diff] [blame] | 1186 | nextCallInsn, rollback, true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1187 | // Finish up any of the call sequence not interleaved in arg loading |
| 1188 | while (callState >= 0) { |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1189 | callState = nextCallInsn(cUnit, mir, dInsn, callState, rollback); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1190 | } |
buzbee | ce30293 | 2011-10-04 14:32:18 -0700 | [diff] [blame] | 1191 | if (DISPLAY_MISSING_TARGETS) { |
| 1192 | genShowTarget(cUnit); |
| 1193 | } |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 1194 | opReg(cUnit, kOpBlx, rLR); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1195 | oatClobberCalleeSave(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1196 | } |
| 1197 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1198 | STATIC bool compileDalvikInstruction(CompilationUnit* cUnit, MIR* mir, |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1199 | BasicBlock* bb, ArmLIR* labelList) |
| 1200 | { |
| 1201 | bool res = false; // Assume success |
| 1202 | RegLocation rlSrc[3]; |
| 1203 | RegLocation rlDest = badLoc; |
| 1204 | RegLocation rlResult = badLoc; |
| 1205 | Opcode opcode = mir->dalvikInsn.opcode; |
| 1206 | |
| 1207 | /* Prep Src and Dest locations */ |
| 1208 | int nextSreg = 0; |
| 1209 | int nextLoc = 0; |
| 1210 | int attrs = oatDataFlowAttributes[opcode]; |
| 1211 | rlSrc[0] = rlSrc[1] = rlSrc[2] = badLoc; |
| 1212 | if (attrs & DF_UA) { |
| 1213 | rlSrc[nextLoc++] = oatGetSrc(cUnit, mir, nextSreg); |
| 1214 | nextSreg++; |
| 1215 | } else if (attrs & DF_UA_WIDE) { |
| 1216 | rlSrc[nextLoc++] = oatGetSrcWide(cUnit, mir, nextSreg, |
| 1217 | nextSreg + 1); |
| 1218 | nextSreg+= 2; |
| 1219 | } |
| 1220 | if (attrs & DF_UB) { |
| 1221 | rlSrc[nextLoc++] = oatGetSrc(cUnit, mir, nextSreg); |
| 1222 | nextSreg++; |
| 1223 | } else if (attrs & DF_UB_WIDE) { |
| 1224 | rlSrc[nextLoc++] = oatGetSrcWide(cUnit, mir, nextSreg, |
| 1225 | nextSreg + 1); |
| 1226 | nextSreg+= 2; |
| 1227 | } |
| 1228 | if (attrs & DF_UC) { |
| 1229 | rlSrc[nextLoc++] = oatGetSrc(cUnit, mir, nextSreg); |
| 1230 | } else if (attrs & DF_UC_WIDE) { |
| 1231 | rlSrc[nextLoc++] = oatGetSrcWide(cUnit, mir, nextSreg, |
| 1232 | nextSreg + 1); |
| 1233 | } |
| 1234 | if (attrs & DF_DA) { |
| 1235 | rlDest = oatGetDest(cUnit, mir, 0); |
| 1236 | } else if (attrs & DF_DA_WIDE) { |
| 1237 | rlDest = oatGetDestWide(cUnit, mir, 0, 1); |
| 1238 | } |
| 1239 | |
| 1240 | switch(opcode) { |
| 1241 | case OP_NOP: |
| 1242 | break; |
| 1243 | |
| 1244 | case OP_MOVE_EXCEPTION: |
| 1245 | int exOffset; |
| 1246 | int resetReg; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1247 | exOffset = Thread::ExceptionOffset().Int32Value(); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1248 | resetReg = oatAllocTemp(cUnit); |
| 1249 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1250 | loadWordDisp(cUnit, rSELF, exOffset, rlResult.lowReg); |
| 1251 | loadConstant(cUnit, resetReg, 0); |
| 1252 | storeWordDisp(cUnit, rSELF, exOffset, resetReg); |
| 1253 | storeValue(cUnit, rlDest, rlResult); |
| 1254 | break; |
| 1255 | |
| 1256 | case OP_RETURN_VOID: |
buzbee | fe2e17f | 2011-10-10 09:35:02 -0700 | [diff] [blame] | 1257 | genSuspendTest(cUnit, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1258 | break; |
| 1259 | |
| 1260 | case OP_RETURN: |
| 1261 | case OP_RETURN_OBJECT: |
buzbee | fe2e17f | 2011-10-10 09:35:02 -0700 | [diff] [blame] | 1262 | genSuspendTest(cUnit, mir); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1263 | storeValue(cUnit, getRetLoc(cUnit), rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1264 | break; |
| 1265 | |
| 1266 | case OP_RETURN_WIDE: |
buzbee | fe2e17f | 2011-10-10 09:35:02 -0700 | [diff] [blame] | 1267 | genSuspendTest(cUnit, mir); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1268 | storeValueWide(cUnit, getRetLocWide(cUnit), rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1269 | break; |
| 1270 | |
| 1271 | case OP_MOVE_RESULT_WIDE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1272 | if (mir->optimizationFlags & MIR_INLINED) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1273 | break; // Nop - combined w/ previous invoke |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1274 | storeValueWide(cUnit, rlDest, getRetLocWide(cUnit)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1275 | break; |
| 1276 | |
| 1277 | case OP_MOVE_RESULT: |
| 1278 | case OP_MOVE_RESULT_OBJECT: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1279 | if (mir->optimizationFlags & MIR_INLINED) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1280 | break; // Nop - combined w/ previous invoke |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1281 | storeValue(cUnit, rlDest, getRetLoc(cUnit)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1282 | break; |
| 1283 | |
| 1284 | case OP_MOVE: |
| 1285 | case OP_MOVE_OBJECT: |
| 1286 | case OP_MOVE_16: |
| 1287 | case OP_MOVE_OBJECT_16: |
| 1288 | case OP_MOVE_FROM16: |
| 1289 | case OP_MOVE_OBJECT_FROM16: |
| 1290 | storeValue(cUnit, rlDest, rlSrc[0]); |
| 1291 | break; |
| 1292 | |
| 1293 | case OP_MOVE_WIDE: |
| 1294 | case OP_MOVE_WIDE_16: |
| 1295 | case OP_MOVE_WIDE_FROM16: |
| 1296 | storeValueWide(cUnit, rlDest, rlSrc[0]); |
| 1297 | break; |
| 1298 | |
| 1299 | case OP_CONST: |
| 1300 | case OP_CONST_4: |
| 1301 | case OP_CONST_16: |
| 1302 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
| 1303 | loadConstantNoClobber(cUnit, rlResult.lowReg, mir->dalvikInsn.vB); |
| 1304 | storeValue(cUnit, rlDest, rlResult); |
| 1305 | break; |
| 1306 | |
| 1307 | case OP_CONST_HIGH16: |
| 1308 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
| 1309 | loadConstantNoClobber(cUnit, rlResult.lowReg, |
| 1310 | mir->dalvikInsn.vB << 16); |
| 1311 | storeValue(cUnit, rlDest, rlResult); |
| 1312 | break; |
| 1313 | |
| 1314 | case OP_CONST_WIDE_16: |
| 1315 | case OP_CONST_WIDE_32: |
buzbee | 03fa263 | 2011-09-20 17:10:57 -0700 | [diff] [blame] | 1316 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
| 1317 | loadConstantValueWide(cUnit, rlResult.lowReg, rlResult.highReg, |
| 1318 | mir->dalvikInsn.vB, |
| 1319 | (mir->dalvikInsn.vB & 0x80000000) ? -1 : 0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1320 | storeValueWide(cUnit, rlDest, rlResult); |
| 1321 | break; |
| 1322 | |
| 1323 | case OP_CONST_WIDE: |
| 1324 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
| 1325 | loadConstantValueWide(cUnit, rlResult.lowReg, rlResult.highReg, |
buzbee | 5433072 | 2011-08-23 16:46:55 -0700 | [diff] [blame] | 1326 | mir->dalvikInsn.vB_wide & 0xffffffff, |
| 1327 | (mir->dalvikInsn.vB_wide >> 32) & 0xffffffff); |
buzbee | 3ea4ec5 | 2011-08-22 17:37:19 -0700 | [diff] [blame] | 1328 | storeValueWide(cUnit, rlDest, rlResult); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1329 | break; |
| 1330 | |
| 1331 | case OP_CONST_WIDE_HIGH16: |
| 1332 | rlResult = oatEvalLoc(cUnit, rlDest, kAnyReg, true); |
| 1333 | loadConstantValueWide(cUnit, rlResult.lowReg, rlResult.highReg, |
| 1334 | 0, mir->dalvikInsn.vB << 16); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 1335 | storeValueWide(cUnit, rlDest, rlResult); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1336 | break; |
| 1337 | |
| 1338 | case OP_MONITOR_ENTER: |
| 1339 | genMonitorEnter(cUnit, mir, rlSrc[0]); |
| 1340 | break; |
| 1341 | |
| 1342 | case OP_MONITOR_EXIT: |
| 1343 | genMonitorExit(cUnit, mir, rlSrc[0]); |
| 1344 | break; |
| 1345 | |
| 1346 | case OP_CHECK_CAST: |
| 1347 | genCheckCast(cUnit, mir, rlSrc[0]); |
| 1348 | break; |
| 1349 | |
| 1350 | case OP_INSTANCE_OF: |
| 1351 | genInstanceof(cUnit, mir, rlDest, rlSrc[0]); |
| 1352 | break; |
| 1353 | |
| 1354 | case OP_NEW_INSTANCE: |
| 1355 | genNewInstance(cUnit, mir, rlDest); |
| 1356 | break; |
| 1357 | |
| 1358 | case OP_THROW: |
| 1359 | genThrow(cUnit, mir, rlSrc[0]); |
| 1360 | break; |
| 1361 | |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 1362 | case OP_THROW_VERIFICATION_ERROR: |
| 1363 | loadWordDisp(cUnit, rSELF, |
| 1364 | OFFSETOF_MEMBER(Thread, pThrowVerificationErrorFromCode), rLR); |
| 1365 | loadConstant(cUnit, r0, mir->dalvikInsn.vA); |
| 1366 | loadConstant(cUnit, r1, mir->dalvikInsn.vB); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 1367 | callRuntimeHelper(cUnit, rLR); |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 1368 | break; |
| 1369 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1370 | case OP_ARRAY_LENGTH: |
| 1371 | int lenOffset; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 1372 | lenOffset = Array::LengthOffset().Int32Value(); |
buzbee | 7b1b86d | 2011-08-26 18:59:10 -0700 | [diff] [blame] | 1373 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 1374 | genNullCheck(cUnit, rlSrc[0].sRegLow, rlSrc[0].lowReg, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1375 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1376 | loadWordDisp(cUnit, rlSrc[0].lowReg, lenOffset, |
| 1377 | rlResult.lowReg); |
| 1378 | storeValue(cUnit, rlDest, rlResult); |
| 1379 | break; |
| 1380 | |
| 1381 | case OP_CONST_STRING: |
| 1382 | case OP_CONST_STRING_JUMBO: |
| 1383 | genConstString(cUnit, mir, rlDest, rlSrc[0]); |
| 1384 | break; |
| 1385 | |
| 1386 | case OP_CONST_CLASS: |
| 1387 | genConstClass(cUnit, mir, rlDest, rlSrc[0]); |
| 1388 | break; |
| 1389 | |
| 1390 | case OP_FILL_ARRAY_DATA: |
| 1391 | genFillArrayData(cUnit, mir, rlSrc[0]); |
| 1392 | break; |
| 1393 | |
| 1394 | case OP_FILLED_NEW_ARRAY: |
| 1395 | genFilledNewArray(cUnit, mir, false /* not range */); |
| 1396 | break; |
| 1397 | |
| 1398 | case OP_FILLED_NEW_ARRAY_RANGE: |
| 1399 | genFilledNewArray(cUnit, mir, true /* range */); |
| 1400 | break; |
| 1401 | |
| 1402 | case OP_NEW_ARRAY: |
| 1403 | genNewArray(cUnit, mir, rlDest, rlSrc[0]); |
| 1404 | break; |
| 1405 | |
| 1406 | case OP_GOTO: |
| 1407 | case OP_GOTO_16: |
| 1408 | case OP_GOTO_32: |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 1409 | if (bb->taken->startOffset <= mir->offset) { |
| 1410 | genSuspendTest(cUnit, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1411 | } |
| 1412 | genUnconditionalBranch(cUnit, &labelList[bb->taken->id]); |
| 1413 | break; |
| 1414 | |
| 1415 | case OP_PACKED_SWITCH: |
| 1416 | genPackedSwitch(cUnit, mir, rlSrc[0]); |
| 1417 | break; |
| 1418 | |
| 1419 | case OP_SPARSE_SWITCH: |
| 1420 | genSparseSwitch(cUnit, mir, rlSrc[0]); |
| 1421 | break; |
| 1422 | |
| 1423 | case OP_CMPL_FLOAT: |
| 1424 | case OP_CMPG_FLOAT: |
| 1425 | case OP_CMPL_DOUBLE: |
| 1426 | case OP_CMPG_DOUBLE: |
| 1427 | res = genCmpFP(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1428 | break; |
| 1429 | |
| 1430 | case OP_CMP_LONG: |
| 1431 | genCmpLong(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1432 | break; |
| 1433 | |
| 1434 | case OP_IF_EQ: |
| 1435 | case OP_IF_NE: |
| 1436 | case OP_IF_LT: |
| 1437 | case OP_IF_GE: |
| 1438 | case OP_IF_GT: |
| 1439 | case OP_IF_LE: { |
| 1440 | bool backwardBranch; |
| 1441 | ArmConditionCode cond; |
| 1442 | backwardBranch = (bb->taken->startOffset <= mir->offset); |
| 1443 | if (backwardBranch) { |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 1444 | genSuspendTest(cUnit, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1445 | } |
| 1446 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
| 1447 | rlSrc[1] = loadValue(cUnit, rlSrc[1], kCoreReg); |
| 1448 | opRegReg(cUnit, kOpCmp, rlSrc[0].lowReg, rlSrc[1].lowReg); |
| 1449 | switch(opcode) { |
| 1450 | case OP_IF_EQ: |
| 1451 | cond = kArmCondEq; |
| 1452 | break; |
| 1453 | case OP_IF_NE: |
| 1454 | cond = kArmCondNe; |
| 1455 | break; |
| 1456 | case OP_IF_LT: |
| 1457 | cond = kArmCondLt; |
| 1458 | break; |
| 1459 | case OP_IF_GE: |
| 1460 | cond = kArmCondGe; |
| 1461 | break; |
| 1462 | case OP_IF_GT: |
| 1463 | cond = kArmCondGt; |
| 1464 | break; |
| 1465 | case OP_IF_LE: |
| 1466 | cond = kArmCondLe; |
| 1467 | break; |
| 1468 | default: |
| 1469 | cond = (ArmConditionCode)0; |
| 1470 | LOG(FATAL) << "Unexpected opcode " << (int)opcode; |
| 1471 | } |
| 1472 | genConditionalBranch(cUnit, cond, &labelList[bb->taken->id]); |
| 1473 | genUnconditionalBranch(cUnit, &labelList[bb->fallThrough->id]); |
| 1474 | break; |
| 1475 | } |
| 1476 | |
| 1477 | case OP_IF_EQZ: |
| 1478 | case OP_IF_NEZ: |
| 1479 | case OP_IF_LTZ: |
| 1480 | case OP_IF_GEZ: |
| 1481 | case OP_IF_GTZ: |
| 1482 | case OP_IF_LEZ: { |
| 1483 | bool backwardBranch; |
| 1484 | ArmConditionCode cond; |
| 1485 | backwardBranch = (bb->taken->startOffset <= mir->offset); |
| 1486 | if (backwardBranch) { |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 1487 | genSuspendTest(cUnit, mir); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1488 | } |
| 1489 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
| 1490 | opRegImm(cUnit, kOpCmp, rlSrc[0].lowReg, 0); |
| 1491 | switch(opcode) { |
| 1492 | case OP_IF_EQZ: |
| 1493 | cond = kArmCondEq; |
| 1494 | break; |
| 1495 | case OP_IF_NEZ: |
| 1496 | cond = kArmCondNe; |
| 1497 | break; |
| 1498 | case OP_IF_LTZ: |
| 1499 | cond = kArmCondLt; |
| 1500 | break; |
| 1501 | case OP_IF_GEZ: |
| 1502 | cond = kArmCondGe; |
| 1503 | break; |
| 1504 | case OP_IF_GTZ: |
| 1505 | cond = kArmCondGt; |
| 1506 | break; |
| 1507 | case OP_IF_LEZ: |
| 1508 | cond = kArmCondLe; |
| 1509 | break; |
| 1510 | default: |
| 1511 | cond = (ArmConditionCode)0; |
| 1512 | LOG(FATAL) << "Unexpected opcode " << (int)opcode; |
| 1513 | } |
| 1514 | genConditionalBranch(cUnit, cond, &labelList[bb->taken->id]); |
| 1515 | genUnconditionalBranch(cUnit, &labelList[bb->fallThrough->id]); |
| 1516 | break; |
| 1517 | } |
| 1518 | |
| 1519 | case OP_AGET_WIDE: |
| 1520 | genArrayGet(cUnit, mir, kLong, rlSrc[0], rlSrc[1], rlDest, 3); |
| 1521 | break; |
| 1522 | case OP_AGET: |
| 1523 | case OP_AGET_OBJECT: |
| 1524 | genArrayGet(cUnit, mir, kWord, rlSrc[0], rlSrc[1], rlDest, 2); |
| 1525 | break; |
| 1526 | case OP_AGET_BOOLEAN: |
| 1527 | genArrayGet(cUnit, mir, kUnsignedByte, rlSrc[0], rlSrc[1], |
| 1528 | rlDest, 0); |
| 1529 | break; |
| 1530 | case OP_AGET_BYTE: |
| 1531 | genArrayGet(cUnit, mir, kSignedByte, rlSrc[0], rlSrc[1], rlDest, 0); |
| 1532 | break; |
| 1533 | case OP_AGET_CHAR: |
| 1534 | genArrayGet(cUnit, mir, kUnsignedHalf, rlSrc[0], rlSrc[1], |
| 1535 | rlDest, 1); |
| 1536 | break; |
| 1537 | case OP_AGET_SHORT: |
| 1538 | genArrayGet(cUnit, mir, kSignedHalf, rlSrc[0], rlSrc[1], rlDest, 1); |
| 1539 | break; |
| 1540 | case OP_APUT_WIDE: |
| 1541 | genArrayPut(cUnit, mir, kLong, rlSrc[1], rlSrc[2], rlSrc[0], 3); |
| 1542 | break; |
| 1543 | case OP_APUT: |
| 1544 | genArrayPut(cUnit, mir, kWord, rlSrc[1], rlSrc[2], rlSrc[0], 2); |
| 1545 | break; |
| 1546 | case OP_APUT_OBJECT: |
buzbee | 1b4c859 | 2011-08-31 10:43:51 -0700 | [diff] [blame] | 1547 | genArrayObjPut(cUnit, mir, rlSrc[1], rlSrc[2], rlSrc[0], 2); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1548 | break; |
| 1549 | case OP_APUT_SHORT: |
| 1550 | case OP_APUT_CHAR: |
| 1551 | genArrayPut(cUnit, mir, kUnsignedHalf, rlSrc[1], rlSrc[2], |
| 1552 | rlSrc[0], 1); |
| 1553 | break; |
| 1554 | case OP_APUT_BYTE: |
| 1555 | case OP_APUT_BOOLEAN: |
| 1556 | genArrayPut(cUnit, mir, kUnsignedByte, rlSrc[1], rlSrc[2], |
| 1557 | rlSrc[0], 0); |
| 1558 | break; |
| 1559 | |
| 1560 | case OP_IGET_WIDE: |
| 1561 | case OP_IGET_WIDE_VOLATILE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1562 | genIGetWide(cUnit, mir, rlDest, rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1563 | break; |
| 1564 | |
| 1565 | case OP_IGET: |
| 1566 | case OP_IGET_VOLATILE: |
| 1567 | case OP_IGET_OBJECT: |
| 1568 | case OP_IGET_OBJECT_VOLATILE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1569 | genIGet(cUnit, mir, kWord, rlDest, rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1570 | break; |
| 1571 | |
| 1572 | case OP_IGET_BOOLEAN: |
| 1573 | case OP_IGET_BYTE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1574 | genIGet(cUnit, mir, kUnsignedByte, rlDest, rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1575 | break; |
| 1576 | |
| 1577 | case OP_IGET_CHAR: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1578 | genIGet(cUnit, mir, kUnsignedHalf, rlDest, rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1579 | break; |
| 1580 | |
| 1581 | case OP_IGET_SHORT: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1582 | genIGet(cUnit, mir, kSignedHalf, rlDest, rlSrc[0]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1583 | break; |
| 1584 | |
| 1585 | case OP_IPUT_WIDE: |
| 1586 | case OP_IPUT_WIDE_VOLATILE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1587 | genIPutWide(cUnit, mir, rlSrc[0], rlSrc[1]); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1588 | break; |
| 1589 | |
| 1590 | case OP_IPUT_OBJECT: |
| 1591 | case OP_IPUT_OBJECT_VOLATILE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1592 | genIPut(cUnit, mir, kWord, rlSrc[0], rlSrc[1], true); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1593 | break; |
| 1594 | |
| 1595 | case OP_IPUT: |
| 1596 | case OP_IPUT_VOLATILE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1597 | genIPut(cUnit, mir, kWord, rlSrc[0], rlSrc[1], false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1598 | break; |
| 1599 | |
| 1600 | case OP_IPUT_BOOLEAN: |
| 1601 | case OP_IPUT_BYTE: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1602 | genIPut(cUnit, mir, kUnsignedByte, rlSrc[0], rlSrc[1], false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1603 | break; |
| 1604 | |
| 1605 | case OP_IPUT_CHAR: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1606 | genIPut(cUnit, mir, kUnsignedHalf, rlSrc[0], rlSrc[1], false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1607 | break; |
| 1608 | |
| 1609 | case OP_IPUT_SHORT: |
buzbee | 43a3642 | 2011-09-14 14:00:13 -0700 | [diff] [blame] | 1610 | genIPut(cUnit, mir, kSignedHalf, rlSrc[0], rlSrc[1], false); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1611 | break; |
| 1612 | |
| 1613 | case OP_SGET: |
| 1614 | case OP_SGET_OBJECT: |
| 1615 | case OP_SGET_BOOLEAN: |
| 1616 | case OP_SGET_BYTE: |
| 1617 | case OP_SGET_CHAR: |
| 1618 | case OP_SGET_SHORT: |
| 1619 | genSget(cUnit, mir, rlResult, rlDest); |
| 1620 | break; |
| 1621 | |
| 1622 | case OP_SGET_WIDE: |
| 1623 | genSgetWide(cUnit, mir, rlResult, rlDest); |
| 1624 | break; |
| 1625 | |
| 1626 | case OP_SPUT: |
| 1627 | case OP_SPUT_OBJECT: |
| 1628 | case OP_SPUT_BOOLEAN: |
| 1629 | case OP_SPUT_BYTE: |
| 1630 | case OP_SPUT_CHAR: |
| 1631 | case OP_SPUT_SHORT: |
| 1632 | genSput(cUnit, mir, rlSrc[0]); |
| 1633 | break; |
| 1634 | |
| 1635 | case OP_SPUT_WIDE: |
| 1636 | genSputWide(cUnit, mir, rlSrc[0]); |
| 1637 | break; |
| 1638 | |
| 1639 | case OP_INVOKE_STATIC_RANGE: |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1640 | genInvokeStaticDirect(cUnit, mir, false /*direct*/, |
| 1641 | true /*range*/); |
| 1642 | break; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1643 | case OP_INVOKE_STATIC: |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1644 | genInvokeStaticDirect(cUnit, mir, false /*direct*/, |
| 1645 | false /*range*/); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1646 | break; |
| 1647 | |
| 1648 | case OP_INVOKE_DIRECT: |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1649 | genInvokeStaticDirect(cUnit, mir, true /*direct*/, |
| 1650 | false /*range*/); |
| 1651 | break; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1652 | case OP_INVOKE_DIRECT_RANGE: |
buzbee | 561227c | 2011-09-02 15:28:19 -0700 | [diff] [blame] | 1653 | genInvokeStaticDirect(cUnit, mir, true /*direct*/, |
| 1654 | true /*range*/); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1655 | break; |
| 1656 | |
| 1657 | case OP_INVOKE_VIRTUAL: |
| 1658 | case OP_INVOKE_VIRTUAL_RANGE: |
| 1659 | genInvokeVirtual(cUnit, mir); |
| 1660 | break; |
| 1661 | |
| 1662 | case OP_INVOKE_SUPER: |
| 1663 | case OP_INVOKE_SUPER_RANGE: |
| 1664 | genInvokeSuper(cUnit, mir); |
| 1665 | break; |
| 1666 | |
| 1667 | case OP_INVOKE_INTERFACE: |
| 1668 | case OP_INVOKE_INTERFACE_RANGE: |
| 1669 | genInvokeInterface(cUnit, mir); |
| 1670 | break; |
| 1671 | |
| 1672 | case OP_NEG_INT: |
| 1673 | case OP_NOT_INT: |
| 1674 | res = genArithOpInt(cUnit, mir, rlDest, rlSrc[0], rlSrc[0]); |
| 1675 | break; |
| 1676 | |
| 1677 | case OP_NEG_LONG: |
| 1678 | case OP_NOT_LONG: |
| 1679 | res = genArithOpLong(cUnit, mir, rlDest, rlSrc[0], rlSrc[0]); |
| 1680 | break; |
| 1681 | |
| 1682 | case OP_NEG_FLOAT: |
| 1683 | res = genArithOpFloat(cUnit, mir, rlDest, rlSrc[0], rlSrc[0]); |
| 1684 | break; |
| 1685 | |
| 1686 | case OP_NEG_DOUBLE: |
| 1687 | res = genArithOpDouble(cUnit, mir, rlDest, rlSrc[0], rlSrc[0]); |
| 1688 | break; |
| 1689 | |
| 1690 | case OP_INT_TO_LONG: |
| 1691 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1692 | if (rlSrc[0].location == kLocPhysReg) { |
| 1693 | genRegCopy(cUnit, rlResult.lowReg, rlSrc[0].lowReg); |
| 1694 | } else { |
| 1695 | loadValueDirect(cUnit, rlSrc[0], rlResult.lowReg); |
| 1696 | } |
| 1697 | opRegRegImm(cUnit, kOpAsr, rlResult.highReg, |
| 1698 | rlResult.lowReg, 31); |
| 1699 | storeValueWide(cUnit, rlDest, rlResult); |
| 1700 | break; |
| 1701 | |
| 1702 | case OP_LONG_TO_INT: |
| 1703 | rlSrc[0] = oatUpdateLocWide(cUnit, rlSrc[0]); |
| 1704 | rlSrc[0] = oatWideToNarrow(cUnit, rlSrc[0]); |
| 1705 | storeValue(cUnit, rlDest, rlSrc[0]); |
| 1706 | break; |
| 1707 | |
| 1708 | case OP_INT_TO_BYTE: |
| 1709 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
| 1710 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1711 | opRegReg(cUnit, kOp2Byte, rlResult.lowReg, rlSrc[0].lowReg); |
| 1712 | storeValue(cUnit, rlDest, rlResult); |
| 1713 | break; |
| 1714 | |
| 1715 | case OP_INT_TO_SHORT: |
| 1716 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
| 1717 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1718 | opRegReg(cUnit, kOp2Short, rlResult.lowReg, rlSrc[0].lowReg); |
| 1719 | storeValue(cUnit, rlDest, rlResult); |
| 1720 | break; |
| 1721 | |
| 1722 | case OP_INT_TO_CHAR: |
| 1723 | rlSrc[0] = loadValue(cUnit, rlSrc[0], kCoreReg); |
| 1724 | rlResult = oatEvalLoc(cUnit, rlDest, kCoreReg, true); |
| 1725 | opRegReg(cUnit, kOp2Char, rlResult.lowReg, rlSrc[0].lowReg); |
| 1726 | storeValue(cUnit, rlDest, rlResult); |
| 1727 | break; |
| 1728 | |
| 1729 | case OP_INT_TO_FLOAT: |
| 1730 | case OP_INT_TO_DOUBLE: |
| 1731 | case OP_LONG_TO_FLOAT: |
| 1732 | case OP_LONG_TO_DOUBLE: |
| 1733 | case OP_FLOAT_TO_INT: |
| 1734 | case OP_FLOAT_TO_LONG: |
| 1735 | case OP_FLOAT_TO_DOUBLE: |
| 1736 | case OP_DOUBLE_TO_INT: |
| 1737 | case OP_DOUBLE_TO_LONG: |
| 1738 | case OP_DOUBLE_TO_FLOAT: |
| 1739 | genConversion(cUnit, mir); |
| 1740 | break; |
| 1741 | |
| 1742 | case OP_ADD_INT: |
| 1743 | case OP_SUB_INT: |
| 1744 | case OP_MUL_INT: |
| 1745 | case OP_DIV_INT: |
| 1746 | case OP_REM_INT: |
| 1747 | case OP_AND_INT: |
| 1748 | case OP_OR_INT: |
| 1749 | case OP_XOR_INT: |
| 1750 | case OP_SHL_INT: |
| 1751 | case OP_SHR_INT: |
| 1752 | case OP_USHR_INT: |
| 1753 | case OP_ADD_INT_2ADDR: |
| 1754 | case OP_SUB_INT_2ADDR: |
| 1755 | case OP_MUL_INT_2ADDR: |
| 1756 | case OP_DIV_INT_2ADDR: |
| 1757 | case OP_REM_INT_2ADDR: |
| 1758 | case OP_AND_INT_2ADDR: |
| 1759 | case OP_OR_INT_2ADDR: |
| 1760 | case OP_XOR_INT_2ADDR: |
| 1761 | case OP_SHL_INT_2ADDR: |
| 1762 | case OP_SHR_INT_2ADDR: |
| 1763 | case OP_USHR_INT_2ADDR: |
| 1764 | genArithOpInt(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1765 | break; |
| 1766 | |
| 1767 | case OP_ADD_LONG: |
| 1768 | case OP_SUB_LONG: |
| 1769 | case OP_MUL_LONG: |
| 1770 | case OP_DIV_LONG: |
| 1771 | case OP_REM_LONG: |
| 1772 | case OP_AND_LONG: |
| 1773 | case OP_OR_LONG: |
| 1774 | case OP_XOR_LONG: |
| 1775 | case OP_ADD_LONG_2ADDR: |
| 1776 | case OP_SUB_LONG_2ADDR: |
| 1777 | case OP_MUL_LONG_2ADDR: |
| 1778 | case OP_DIV_LONG_2ADDR: |
| 1779 | case OP_REM_LONG_2ADDR: |
| 1780 | case OP_AND_LONG_2ADDR: |
| 1781 | case OP_OR_LONG_2ADDR: |
| 1782 | case OP_XOR_LONG_2ADDR: |
| 1783 | genArithOpLong(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1784 | break; |
| 1785 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1786 | case OP_SHL_LONG: |
| 1787 | case OP_SHR_LONG: |
| 1788 | case OP_USHR_LONG: |
buzbee | e6d6196 | 2011-08-27 11:58:19 -0700 | [diff] [blame] | 1789 | case OP_SHL_LONG_2ADDR: |
| 1790 | case OP_SHR_LONG_2ADDR: |
| 1791 | case OP_USHR_LONG_2ADDR: |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1792 | genShiftOpLong(cUnit,mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1793 | break; |
| 1794 | |
| 1795 | case OP_ADD_FLOAT: |
| 1796 | case OP_SUB_FLOAT: |
| 1797 | case OP_MUL_FLOAT: |
| 1798 | case OP_DIV_FLOAT: |
| 1799 | case OP_REM_FLOAT: |
| 1800 | case OP_ADD_FLOAT_2ADDR: |
| 1801 | case OP_SUB_FLOAT_2ADDR: |
| 1802 | case OP_MUL_FLOAT_2ADDR: |
| 1803 | case OP_DIV_FLOAT_2ADDR: |
| 1804 | case OP_REM_FLOAT_2ADDR: |
| 1805 | genArithOpFloat(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1806 | break; |
| 1807 | |
| 1808 | case OP_ADD_DOUBLE: |
| 1809 | case OP_SUB_DOUBLE: |
| 1810 | case OP_MUL_DOUBLE: |
| 1811 | case OP_DIV_DOUBLE: |
| 1812 | case OP_REM_DOUBLE: |
| 1813 | case OP_ADD_DOUBLE_2ADDR: |
| 1814 | case OP_SUB_DOUBLE_2ADDR: |
| 1815 | case OP_MUL_DOUBLE_2ADDR: |
| 1816 | case OP_DIV_DOUBLE_2ADDR: |
| 1817 | case OP_REM_DOUBLE_2ADDR: |
| 1818 | genArithOpDouble(cUnit, mir, rlDest, rlSrc[0], rlSrc[1]); |
| 1819 | break; |
| 1820 | |
| 1821 | case OP_RSUB_INT: |
| 1822 | case OP_ADD_INT_LIT16: |
| 1823 | case OP_MUL_INT_LIT16: |
| 1824 | case OP_DIV_INT_LIT16: |
| 1825 | case OP_REM_INT_LIT16: |
| 1826 | case OP_AND_INT_LIT16: |
| 1827 | case OP_OR_INT_LIT16: |
| 1828 | case OP_XOR_INT_LIT16: |
| 1829 | case OP_ADD_INT_LIT8: |
| 1830 | case OP_RSUB_INT_LIT8: |
| 1831 | case OP_MUL_INT_LIT8: |
| 1832 | case OP_DIV_INT_LIT8: |
| 1833 | case OP_REM_INT_LIT8: |
| 1834 | case OP_AND_INT_LIT8: |
| 1835 | case OP_OR_INT_LIT8: |
| 1836 | case OP_XOR_INT_LIT8: |
| 1837 | case OP_SHL_INT_LIT8: |
| 1838 | case OP_SHR_INT_LIT8: |
| 1839 | case OP_USHR_INT_LIT8: |
| 1840 | genArithOpIntLit(cUnit, mir, rlDest, rlSrc[0], mir->dalvikInsn.vC); |
| 1841 | break; |
| 1842 | |
| 1843 | default: |
| 1844 | res = true; |
| 1845 | } |
| 1846 | return res; |
| 1847 | } |
| 1848 | |
Elliott Hughes | c1f143d | 2011-12-01 17:31:10 -0800 | [diff] [blame] | 1849 | STATIC const char* extendedMIROpNames[kMirOpLast - kMirOpFirst] = { |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1850 | "kMirOpPhi", |
| 1851 | "kMirOpNullNRangeUpCheck", |
| 1852 | "kMirOpNullNRangeDownCheck", |
| 1853 | "kMirOpLowerBound", |
| 1854 | "kMirOpPunt", |
| 1855 | "kMirOpCheckInlinePrediction", |
| 1856 | }; |
| 1857 | |
| 1858 | /* Extended MIR instructions like PHI */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1859 | STATIC void handleExtendedMethodMIR(CompilationUnit* cUnit, MIR* mir) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1860 | { |
| 1861 | int opOffset = mir->dalvikInsn.opcode - kMirOpFirst; |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 1862 | char* msg = NULL; |
| 1863 | if (cUnit->printMe) { |
buzbee | ba938cb | 2012-02-03 14:47:55 -0800 | [diff] [blame] | 1864 | msg = (char*)oatNew(cUnit, strlen(extendedMIROpNames[opOffset]) + 1, |
| 1865 | false, kAllocDebugInfo); |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 1866 | strcpy(msg, extendedMIROpNames[opOffset]); |
| 1867 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1868 | ArmLIR* op = newLIR1(cUnit, kArmPseudoExtended, (int) msg); |
| 1869 | |
| 1870 | switch ((ExtendedMIROpcode)mir->dalvikInsn.opcode) { |
| 1871 | case kMirOpPhi: { |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 1872 | char* ssaString = NULL; |
| 1873 | if (cUnit->printMe) { |
| 1874 | ssaString = oatGetSSAString(cUnit, mir->ssaRep); |
| 1875 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1876 | op->flags.isNop = true; |
| 1877 | newLIR1(cUnit, kArmPseudoSSARep, (int) ssaString); |
| 1878 | break; |
| 1879 | } |
| 1880 | default: |
| 1881 | break; |
| 1882 | } |
| 1883 | } |
| 1884 | |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1885 | /* |
| 1886 | * If there are any ins passed in registers that have not been promoted |
| 1887 | * to a callee-save register, flush them to the frame. Perform intial |
| 1888 | * assignment of promoted arguments. |
| 1889 | */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1890 | STATIC void flushIns(CompilationUnit* cUnit) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1891 | { |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1892 | if (cUnit->numIns == 0) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1893 | return; |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1894 | int firstArgReg = r1; |
| 1895 | int lastArgReg = r3; |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1896 | int startVReg = cUnit->numDalvikRegisters - cUnit->numIns; |
buzbee | 8febc58 | 2011-10-25 12:39:20 -0700 | [diff] [blame] | 1897 | /* |
| 1898 | * Arguments passed in registers should be flushed |
| 1899 | * to their backing locations in the frame for now. |
| 1900 | * Also, we need to do initial assignment for promoted |
| 1901 | * arguments. NOTE: an older version of dx had an issue |
| 1902 | * in which it would reuse static method argument registers. |
| 1903 | * This could result in the same Dalvik virtual register |
| 1904 | * being promoted to both core and fp regs. In those |
| 1905 | * cases, copy argument to both. This will be uncommon |
| 1906 | * enough that it isn't worth attempting to optimize. |
| 1907 | */ |
Ian Rogers | a3760aa | 2011-11-14 14:32:37 -0800 | [diff] [blame] | 1908 | for (int i = 0; i < cUnit->numIns; i++) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1909 | PromotionMap vMap = cUnit->promotionMap[startVReg + i]; |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1910 | if (i <= (lastArgReg - firstArgReg)) { |
buzbee | 8febc58 | 2011-10-25 12:39:20 -0700 | [diff] [blame] | 1911 | // If arriving in register |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1912 | if (vMap.coreLocation == kLocPhysReg) { |
| 1913 | genRegCopy(cUnit, vMap.coreReg, firstArgReg + i); |
buzbee | 8febc58 | 2011-10-25 12:39:20 -0700 | [diff] [blame] | 1914 | } |
| 1915 | if (vMap.fpLocation == kLocPhysReg) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1916 | genRegCopy(cUnit, vMap.fpReg, firstArgReg + i); |
| 1917 | } |
| 1918 | // Also put a copy in memory in case we're partially promoted |
| 1919 | storeBaseDisp(cUnit, rSP, oatSRegOffset(cUnit, startVReg + i), |
| 1920 | firstArgReg + i, kWord); |
| 1921 | } else { |
buzbee | 8febc58 | 2011-10-25 12:39:20 -0700 | [diff] [blame] | 1922 | // If arriving in frame & promoted |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1923 | if (vMap.coreLocation == kLocPhysReg) { |
| 1924 | loadWordDisp(cUnit, rSP, oatSRegOffset(cUnit, startVReg + i), |
| 1925 | vMap.coreReg); |
buzbee | 8febc58 | 2011-10-25 12:39:20 -0700 | [diff] [blame] | 1926 | } |
| 1927 | if (vMap.fpLocation == kLocPhysReg) { |
buzbee | 67bc236 | 2011-10-11 18:08:40 -0700 | [diff] [blame] | 1928 | loadWordDisp(cUnit, rSP, oatSRegOffset(cUnit, startVReg + i), |
| 1929 | vMap.fpReg); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1930 | } |
| 1931 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1932 | } |
| 1933 | } |
| 1934 | |
| 1935 | /* Handle the content in each basic block */ |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 1936 | STATIC bool methodBlockCodeGen(CompilationUnit* cUnit, BasicBlock* bb) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1937 | { |
| 1938 | MIR* mir; |
| 1939 | ArmLIR* labelList = (ArmLIR*) cUnit->blockLabelList; |
| 1940 | int blockId = bb->id; |
| 1941 | |
| 1942 | cUnit->curBlock = bb; |
| 1943 | labelList[blockId].operands[0] = bb->startOffset; |
| 1944 | |
| 1945 | /* Insert the block label */ |
| 1946 | labelList[blockId].opcode = kArmPseudoNormalBlockLabel; |
| 1947 | oatAppendLIR(cUnit, (LIR*) &labelList[blockId]); |
| 1948 | |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1949 | /* Reset local optimization data on block boundaries */ |
| 1950 | oatResetRegPool(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1951 | oatClobberAllRegs(cUnit); |
buzbee | 6181f79 | 2011-09-29 11:14:04 -0700 | [diff] [blame] | 1952 | oatResetDefTracking(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1953 | |
| 1954 | ArmLIR* headLIR = NULL; |
| 1955 | |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 1956 | int spillCount = cUnit->numCoreSpills + cUnit->numFPSpills; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1957 | if (bb->blockType == kEntryBlock) { |
| 1958 | /* |
| 1959 | * On entry, r0, r1, r2 & r3 are live. Let the register allocation |
| 1960 | * mechanism know so it doesn't try to use any of them when |
| 1961 | * expanding the frame or flushing. This leaves the utility |
| 1962 | * code with a single temp: r12. This should be enough. |
| 1963 | */ |
| 1964 | oatLockTemp(cUnit, r0); |
| 1965 | oatLockTemp(cUnit, r1); |
| 1966 | oatLockTemp(cUnit, r2); |
| 1967 | oatLockTemp(cUnit, r3); |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 1968 | |
| 1969 | /* |
| 1970 | * We can safely skip the stack overflow check if we're |
| 1971 | * a leaf *and* our frame size < fudge factor. |
| 1972 | */ |
| 1973 | bool skipOverflowCheck = ((cUnit->attrs & METHOD_IS_LEAF) && |
| 1974 | ((size_t)cUnit->frameSize < |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 1975 | Thread::kStackOverflowReservedBytes)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1976 | newLIR0(cUnit, kArmPseudoMethodEntry); |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 1977 | if (!skipOverflowCheck) { |
| 1978 | /* Load stack limit */ |
| 1979 | loadWordDisp(cUnit, rSELF, |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 1980 | Thread::StackEndOffset().Int32Value(), r12); |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 1981 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1982 | /* Spill core callee saves */ |
| 1983 | newLIR1(cUnit, kThumb2Push, cUnit->coreSpillMask); |
| 1984 | /* Need to spill any FP regs? */ |
| 1985 | if (cUnit->numFPSpills) { |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 1986 | /* |
| 1987 | * NOTE: fp spills are a little different from core spills in that |
| 1988 | * they are pushed as a contiguous block. When promoting from |
| 1989 | * the fp set, we must allocate all singles from s16..highest-promoted |
| 1990 | */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1991 | newLIR1(cUnit, kThumb2VPushCS, cUnit->numFPSpills); |
| 1992 | } |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 1993 | if (!skipOverflowCheck) { |
| 1994 | opRegRegImm(cUnit, kOpSub, rLR, rSP, |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 1995 | cUnit->frameSize - (spillCount * 4)); |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 1996 | genRegRegCheck(cUnit, kArmCondCc, rLR, r12, NULL, |
| 1997 | kArmThrowStackOverflow); |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 1998 | genRegCopy(cUnit, rSP, rLR); // Establish stack |
| 1999 | } else { |
| 2000 | opRegImm(cUnit, kOpSub, rSP, |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 2001 | cUnit->frameSize - (spillCount * 4)); |
buzbee | cefd187 | 2011-09-09 09:59:52 -0700 | [diff] [blame] | 2002 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2003 | storeBaseDisp(cUnit, rSP, 0, r0, kWord); |
| 2004 | flushIns(cUnit); |
| 2005 | oatFreeTemp(cUnit, r0); |
| 2006 | oatFreeTemp(cUnit, r1); |
| 2007 | oatFreeTemp(cUnit, r2); |
| 2008 | oatFreeTemp(cUnit, r3); |
| 2009 | } else if (bb->blockType == kExitBlock) { |
| 2010 | newLIR0(cUnit, kArmPseudoMethodExit); |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 2011 | opRegImm(cUnit, kOpAdd, rSP, cUnit->frameSize - (spillCount * 4)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2012 | /* Need to restore any FP callee saves? */ |
| 2013 | if (cUnit->numFPSpills) { |
| 2014 | newLIR1(cUnit, kThumb2VPopCS, cUnit->numFPSpills); |
| 2015 | } |
| 2016 | if (cUnit->coreSpillMask & (1 << rLR)) { |
| 2017 | /* Unspill rLR to rPC */ |
| 2018 | cUnit->coreSpillMask &= ~(1 << rLR); |
| 2019 | cUnit->coreSpillMask |= (1 << rPC); |
| 2020 | } |
| 2021 | newLIR1(cUnit, kThumb2Pop, cUnit->coreSpillMask); |
| 2022 | if (!(cUnit->coreSpillMask & (1 << rPC))) { |
| 2023 | /* We didn't pop to rPC, so must do a bv rLR */ |
| 2024 | newLIR1(cUnit, kThumbBx, rLR); |
| 2025 | } |
| 2026 | } |
| 2027 | |
| 2028 | for (mir = bb->firstMIRInsn; mir; mir = mir->next) { |
| 2029 | |
| 2030 | oatResetRegPool(cUnit); |
buzbee | c0ecd65 | 2011-09-25 18:11:54 -0700 | [diff] [blame] | 2031 | if (cUnit->disableOpt & (1 << kTrackLiveTemps)) { |
| 2032 | oatClobberAllRegs(cUnit); |
| 2033 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2034 | |
| 2035 | if (cUnit->disableOpt & (1 << kSuppressLoads)) { |
| 2036 | oatResetDefTracking(cUnit); |
| 2037 | } |
| 2038 | |
| 2039 | if ((int)mir->dalvikInsn.opcode >= (int)kMirOpFirst) { |
| 2040 | handleExtendedMethodMIR(cUnit, mir); |
| 2041 | continue; |
| 2042 | } |
| 2043 | |
| 2044 | cUnit->currentDalvikOffset = mir->offset; |
| 2045 | |
| 2046 | Opcode dalvikOpcode = mir->dalvikInsn.opcode; |
| 2047 | InstructionFormat dalvikFormat = |
| 2048 | dexGetFormatFromOpcode(dalvikOpcode); |
| 2049 | |
| 2050 | ArmLIR* boundaryLIR; |
| 2051 | |
| 2052 | /* Mark the beginning of a Dalvik instruction for line tracking */ |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 2053 | char* instStr = cUnit->printMe ? |
buzbee | ba938cb | 2012-02-03 14:47:55 -0800 | [diff] [blame] | 2054 | oatGetDalvikDisassembly(cUnit, &mir->dalvikInsn, "") : NULL; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2055 | boundaryLIR = newLIR1(cUnit, kArmPseudoDalvikByteCodeBoundary, |
buzbee | 5abfa3e | 2012-01-31 17:01:43 -0800 | [diff] [blame] | 2056 | (intptr_t) instStr); |
buzbee | 85d8c1e | 2012-01-27 15:52:35 -0800 | [diff] [blame] | 2057 | cUnit->boundaryMap.insert(std::make_pair(mir->offset, |
| 2058 | (LIR*)boundaryLIR)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2059 | /* Remember the first LIR for this block */ |
| 2060 | if (headLIR == NULL) { |
| 2061 | headLIR = boundaryLIR; |
| 2062 | /* Set the first boundaryLIR as a scheduling barrier */ |
| 2063 | headLIR->defMask = ENCODE_ALL; |
| 2064 | } |
| 2065 | |
| 2066 | /* Don't generate the SSA annotation unless verbose mode is on */ |
| 2067 | if (cUnit->printMe && mir->ssaRep) { |
Elliott Hughes | c1f143d | 2011-12-01 17:31:10 -0800 | [diff] [blame] | 2068 | char* ssaString = oatGetSSAString(cUnit, mir->ssaRep); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2069 | newLIR1(cUnit, kArmPseudoSSARep, (int) ssaString); |
| 2070 | } |
| 2071 | |
| 2072 | bool notHandled = compileDalvikInstruction(cUnit, mir, bb, labelList); |
| 2073 | |
| 2074 | if (notHandled) { |
| 2075 | char buf[100]; |
| 2076 | snprintf(buf, 100, "%#06x: Opcode %#x (%s) / Fmt %d not handled", |
| 2077 | mir->offset, |
| 2078 | dalvikOpcode, dexGetOpcodeName(dalvikOpcode), |
| 2079 | dalvikFormat); |
| 2080 | LOG(FATAL) << buf; |
| 2081 | } |
| 2082 | } |
| 2083 | |
| 2084 | if (headLIR) { |
| 2085 | /* |
| 2086 | * Eliminate redundant loads/stores and delay stores into later |
| 2087 | * slots |
| 2088 | */ |
| 2089 | oatApplyLocalOptimizations(cUnit, (LIR*) headLIR, |
| 2090 | cUnit->lastLIRInsn); |
| 2091 | |
| 2092 | /* |
| 2093 | * Generate an unconditional branch to the fallthrough block. |
| 2094 | */ |
| 2095 | if (bb->fallThrough) { |
| 2096 | genUnconditionalBranch(cUnit, |
| 2097 | &labelList[bb->fallThrough->id]); |
| 2098 | } |
| 2099 | } |
| 2100 | return false; |
| 2101 | } |
| 2102 | |
| 2103 | /* |
| 2104 | * Nop any unconditional branches that go to the next instruction. |
| 2105 | * Note: new redundant branches may be inserted later, and we'll |
| 2106 | * use a check in final instruction assembly to nop those out. |
| 2107 | */ |
| 2108 | void removeRedundantBranches(CompilationUnit* cUnit) |
| 2109 | { |
| 2110 | ArmLIR* thisLIR; |
| 2111 | |
| 2112 | for (thisLIR = (ArmLIR*) cUnit->firstLIRInsn; |
| 2113 | thisLIR != (ArmLIR*) cUnit->lastLIRInsn; |
| 2114 | thisLIR = NEXT_LIR(thisLIR)) { |
| 2115 | |
| 2116 | /* Branch to the next instruction */ |
| 2117 | if ((thisLIR->opcode == kThumbBUncond) || |
| 2118 | (thisLIR->opcode == kThumb2BUncond)) { |
| 2119 | ArmLIR* nextLIR = thisLIR; |
| 2120 | |
| 2121 | while (true) { |
| 2122 | nextLIR = NEXT_LIR(nextLIR); |
| 2123 | |
| 2124 | /* |
| 2125 | * Is the branch target the next instruction? |
| 2126 | */ |
| 2127 | if (nextLIR == (ArmLIR*) thisLIR->generic.target) { |
| 2128 | thisLIR->flags.isNop = true; |
| 2129 | break; |
| 2130 | } |
| 2131 | |
| 2132 | /* |
| 2133 | * Found real useful stuff between the branch and the target. |
| 2134 | * Need to explicitly check the lastLIRInsn here because it |
| 2135 | * might be the last real instruction. |
| 2136 | */ |
| 2137 | if (!isPseudoOpcode(nextLIR->opcode) || |
| 2138 | (nextLIR = (ArmLIR*) cUnit->lastLIRInsn)) |
| 2139 | break; |
| 2140 | } |
| 2141 | } |
| 2142 | } |
| 2143 | } |
| 2144 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 2145 | STATIC void handleSuspendLaunchpads(CompilationUnit *cUnit) |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 2146 | { |
| 2147 | ArmLIR** suspendLabel = |
| 2148 | (ArmLIR **) cUnit->suspendLaunchpads.elemList; |
| 2149 | int numElems = cUnit->suspendLaunchpads.numUsed; |
| 2150 | |
| 2151 | for (int i = 0; i < numElems; i++) { |
| 2152 | /* TUNING: move suspend count load into helper */ |
| 2153 | ArmLIR* lab = suspendLabel[i]; |
| 2154 | ArmLIR* resumeLab = (ArmLIR*)lab->operands[0]; |
| 2155 | cUnit->currentDalvikOffset = lab->operands[1]; |
| 2156 | oatAppendLIR(cUnit, (LIR *)lab); |
| 2157 | loadWordDisp(cUnit, rSELF, |
| 2158 | OFFSETOF_MEMBER(Thread, pTestSuspendFromCode), rLR); |
| 2159 | loadWordDisp(cUnit, rSELF, |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 2160 | Thread::SuspendCountOffset().Int32Value(), rSUSPEND); |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 2161 | opReg(cUnit, kOpBlx, rLR); |
| 2162 | genUnconditionalBranch(cUnit, resumeLab); |
| 2163 | } |
| 2164 | } |
| 2165 | |
buzbee | ed3e930 | 2011-09-23 17:34:19 -0700 | [diff] [blame] | 2166 | STATIC void handleThrowLaunchpads(CompilationUnit *cUnit) |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2167 | { |
| 2168 | ArmLIR** throwLabel = |
| 2169 | (ArmLIR **) cUnit->throwLaunchpads.elemList; |
| 2170 | int numElems = cUnit->throwLaunchpads.numUsed; |
| 2171 | int i; |
| 2172 | |
| 2173 | for (i = 0; i < numElems; i++) { |
| 2174 | ArmLIR* lab = throwLabel[i]; |
| 2175 | cUnit->currentDalvikOffset = lab->operands[1]; |
| 2176 | oatAppendLIR(cUnit, (LIR *)lab); |
| 2177 | int funcOffset = 0; |
| 2178 | int v1 = lab->operands[2]; |
| 2179 | int v2 = lab->operands[3]; |
| 2180 | switch(lab->operands[0]) { |
| 2181 | case kArmThrowNullPointer: |
| 2182 | funcOffset = OFFSETOF_MEMBER(Thread, pThrowNullPointerFromCode); |
| 2183 | break; |
| 2184 | case kArmThrowArrayBounds: |
| 2185 | if (v2 != r0) { |
| 2186 | genRegCopy(cUnit, r0, v1); |
| 2187 | genRegCopy(cUnit, r1, v2); |
| 2188 | } else { |
| 2189 | if (v1 == r1) { |
| 2190 | genRegCopy(cUnit, r12, v1); |
| 2191 | genRegCopy(cUnit, r1, v2); |
| 2192 | genRegCopy(cUnit, r0, r12); |
| 2193 | } else { |
| 2194 | genRegCopy(cUnit, r1, v2); |
| 2195 | genRegCopy(cUnit, r0, v1); |
| 2196 | } |
| 2197 | } |
| 2198 | funcOffset = OFFSETOF_MEMBER(Thread, pThrowArrayBoundsFromCode); |
| 2199 | break; |
| 2200 | case kArmThrowDivZero: |
| 2201 | funcOffset = OFFSETOF_MEMBER(Thread, pThrowDivZeroFromCode); |
| 2202 | break; |
| 2203 | case kArmThrowVerificationError: |
| 2204 | loadConstant(cUnit, r0, v1); |
| 2205 | loadConstant(cUnit, r1, v2); |
| 2206 | funcOffset = |
| 2207 | OFFSETOF_MEMBER(Thread, pThrowVerificationErrorFromCode); |
| 2208 | break; |
| 2209 | case kArmThrowNegArraySize: |
| 2210 | genRegCopy(cUnit, r0, v1); |
| 2211 | funcOffset = |
| 2212 | OFFSETOF_MEMBER(Thread, pThrowNegArraySizeFromCode); |
| 2213 | break; |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2214 | case kArmThrowNoSuchMethod: |
buzbee | 13ac45a | 2012-01-12 12:30:16 -0800 | [diff] [blame] | 2215 | genRegCopy(cUnit, r0, v1); |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2216 | funcOffset = |
| 2217 | OFFSETOF_MEMBER(Thread, pThrowNoSuchMethodFromCode); |
| 2218 | break; |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 2219 | case kArmThrowStackOverflow: |
| 2220 | funcOffset = |
Ian Rogers | 932746a | 2011-09-22 18:57:50 -0700 | [diff] [blame] | 2221 | OFFSETOF_MEMBER(Thread, pThrowStackOverflowFromCode); |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 2222 | // Restore stack alignment |
buzbee | bbaf894 | 2011-10-02 13:08:29 -0700 | [diff] [blame] | 2223 | opRegImm(cUnit, kOpAdd, rSP, |
| 2224 | (cUnit->numCoreSpills + cUnit->numFPSpills) * 4); |
buzbee | ec5adf3 | 2011-09-11 15:25:43 -0700 | [diff] [blame] | 2225 | break; |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2226 | default: |
| 2227 | LOG(FATAL) << "Unexpected throw kind: " << lab->operands[0]; |
| 2228 | } |
| 2229 | loadWordDisp(cUnit, rSELF, funcOffset, rLR); |
Ian Rogers | ff1ed47 | 2011-09-20 13:46:24 -0700 | [diff] [blame] | 2230 | callRuntimeHelper(cUnit, rLR); |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2231 | } |
| 2232 | } |
| 2233 | |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2234 | void oatMethodMIR2LIR(CompilationUnit* cUnit) |
| 2235 | { |
| 2236 | /* Used to hold the labels of each block */ |
| 2237 | cUnit->blockLabelList = |
buzbee | ba938cb | 2012-02-03 14:47:55 -0800 | [diff] [blame] | 2238 | (void *) oatNew(cUnit, sizeof(ArmLIR) * cUnit->numBlocks, true, |
| 2239 | kAllocLIR); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2240 | |
| 2241 | oatDataFlowAnalysisDispatcher(cUnit, methodBlockCodeGen, |
| 2242 | kPreOrderDFSTraversal, false /* Iterative */); |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 2243 | handleSuspendLaunchpads(cUnit); |
buzbee | 5ade1d2 | 2011-09-09 14:44:52 -0700 | [diff] [blame] | 2244 | |
| 2245 | handleThrowLaunchpads(cUnit); |
buzbee | c1f4504 | 2011-09-21 16:03:19 -0700 | [diff] [blame] | 2246 | |
| 2247 | removeRedundantBranches(cUnit); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 2248 | } |
| 2249 | |
| 2250 | /* Common initialization routine for an architecture family */ |
| 2251 | bool oatArchInit() |
| 2252 | { |
| 2253 | int i; |
| 2254 | |
| 2255 | for (i = 0; i < kArmLast; i++) { |
| 2256 | if (EncodingMap[i].opcode != i) { |
| 2257 | LOG(FATAL) << "Encoding order for " << EncodingMap[i].name << |
| 2258 | " is wrong: expecting " << i << ", seeing " << |
| 2259 | (int)EncodingMap[i].opcode; |
| 2260 | } |
| 2261 | } |
| 2262 | |
| 2263 | return oatArchVariantInit(); |
| 2264 | } |
| 2265 | |
| 2266 | /* Needed by the Assembler */ |
| 2267 | void oatSetupResourceMasks(ArmLIR* lir) |
| 2268 | { |
| 2269 | setupResourceMasks(lir); |
| 2270 | } |
| 2271 | |
| 2272 | /* Needed by the ld/st optmizatons */ |
| 2273 | ArmLIR* oatRegCopyNoInsert(CompilationUnit* cUnit, int rDest, int rSrc) |
| 2274 | { |
| 2275 | return genRegCopyNoInsert(cUnit, rDest, rSrc); |
| 2276 | } |
| 2277 | |
| 2278 | /* Needed by the register allocator */ |
| 2279 | ArmLIR* oatRegCopy(CompilationUnit* cUnit, int rDest, int rSrc) |
| 2280 | { |
| 2281 | return genRegCopy(cUnit, rDest, rSrc); |
| 2282 | } |
| 2283 | |
| 2284 | /* Needed by the register allocator */ |
| 2285 | void oatRegCopyWide(CompilationUnit* cUnit, int destLo, int destHi, |
| 2286 | int srcLo, int srcHi) |
| 2287 | { |
| 2288 | genRegCopyWide(cUnit, destLo, destHi, srcLo, srcHi); |
| 2289 | } |
| 2290 | |
| 2291 | void oatFlushRegImpl(CompilationUnit* cUnit, int rBase, |
| 2292 | int displacement, int rSrc, OpSize size) |
| 2293 | { |
| 2294 | storeBaseDisp(cUnit, rBase, displacement, rSrc, size); |
| 2295 | } |
| 2296 | |
| 2297 | void oatFlushRegWideImpl(CompilationUnit* cUnit, int rBase, |
| 2298 | int displacement, int rSrcLo, int rSrcHi) |
| 2299 | { |
| 2300 | storeBaseDispWide(cUnit, rBase, displacement, rSrcLo, rSrcHi); |
| 2301 | } |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 2302 | |
| 2303 | } // namespace art |