erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "lithium-allocator-inl.h" |
| 31 | #include "mips/lithium-mips.h" |
| 32 | #include "mips/lithium-codegen-mips.h" |
| 33 | |
| 34 | namespace v8 { |
| 35 | namespace internal { |
| 36 | |
| 37 | #define DEFINE_COMPILE(type) \ |
| 38 | void L##type::CompileToNative(LCodeGen* generator) { \ |
| 39 | generator->Do##type(this); \ |
| 40 | } |
| 41 | LITHIUM_CONCRETE_INSTRUCTION_LIST(DEFINE_COMPILE) |
| 42 | #undef DEFINE_COMPILE |
| 43 | |
| 44 | LOsrEntry::LOsrEntry() { |
| 45 | for (int i = 0; i < Register::kNumAllocatableRegisters; ++i) { |
| 46 | register_spills_[i] = NULL; |
| 47 | } |
| 48 | for (int i = 0; i < DoubleRegister::kNumAllocatableRegisters; ++i) { |
| 49 | double_register_spills_[i] = NULL; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | |
| 54 | void LOsrEntry::MarkSpilledRegister(int allocation_index, |
| 55 | LOperand* spill_operand) { |
| 56 | ASSERT(spill_operand->IsStackSlot()); |
| 57 | ASSERT(register_spills_[allocation_index] == NULL); |
| 58 | register_spills_[allocation_index] = spill_operand; |
| 59 | } |
| 60 | |
| 61 | |
| 62 | #ifdef DEBUG |
| 63 | void LInstruction::VerifyCall() { |
| 64 | // Call instructions can use only fixed registers as temporaries and |
| 65 | // outputs because all registers are blocked by the calling convention. |
| 66 | // Inputs operands must use a fixed register or use-at-start policy or |
| 67 | // a non-register policy. |
| 68 | ASSERT(Output() == NULL || |
| 69 | LUnallocated::cast(Output())->HasFixedPolicy() || |
| 70 | !LUnallocated::cast(Output())->HasRegisterPolicy()); |
| 71 | for (UseIterator it(this); !it.Done(); it.Advance()) { |
| 72 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 73 | ASSERT(operand->HasFixedPolicy() || |
| 74 | operand->IsUsedAtStart()); |
| 75 | } |
| 76 | for (TempIterator it(this); !it.Done(); it.Advance()) { |
| 77 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 78 | ASSERT(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy()); |
| 79 | } |
| 80 | } |
| 81 | #endif |
| 82 | |
| 83 | |
| 84 | void LOsrEntry::MarkSpilledDoubleRegister(int allocation_index, |
| 85 | LOperand* spill_operand) { |
| 86 | ASSERT(spill_operand->IsDoubleStackSlot()); |
| 87 | ASSERT(double_register_spills_[allocation_index] == NULL); |
| 88 | double_register_spills_[allocation_index] = spill_operand; |
| 89 | } |
| 90 | |
| 91 | |
| 92 | void LInstruction::PrintTo(StringStream* stream) { |
| 93 | stream->Add("%s ", this->Mnemonic()); |
| 94 | |
| 95 | PrintOutputOperandTo(stream); |
| 96 | |
| 97 | PrintDataTo(stream); |
| 98 | |
| 99 | if (HasEnvironment()) { |
| 100 | stream->Add(" "); |
| 101 | environment()->PrintTo(stream); |
| 102 | } |
| 103 | |
| 104 | if (HasPointerMap()) { |
| 105 | stream->Add(" "); |
| 106 | pointer_map()->PrintTo(stream); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 111 | void LInstruction::PrintDataTo(StringStream* stream) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 112 | stream->Add("= "); |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 113 | for (int i = 0; i < InputCount(); i++) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 114 | if (i > 0) stream->Add(" "); |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 115 | InputAt(i)->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | |
| 119 | |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 120 | void LInstruction::PrintOutputOperandTo(StringStream* stream) { |
| 121 | if (HasResult()) result()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | |
| 125 | void LLabel::PrintDataTo(StringStream* stream) { |
| 126 | LGap::PrintDataTo(stream); |
| 127 | LLabel* rep = replacement(); |
| 128 | if (rep != NULL) { |
| 129 | stream->Add(" Dead block replaced with B%d", rep->block_id()); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | |
| 134 | bool LGap::IsRedundant() const { |
| 135 | for (int i = 0; i < 4; i++) { |
| 136 | if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) { |
| 137 | return false; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | return true; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | void LGap::PrintDataTo(StringStream* stream) { |
| 146 | for (int i = 0; i < 4; i++) { |
| 147 | stream->Add("("); |
| 148 | if (parallel_moves_[i] != NULL) { |
| 149 | parallel_moves_[i]->PrintDataTo(stream); |
| 150 | } |
| 151 | stream->Add(") "); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | |
| 156 | const char* LArithmeticD::Mnemonic() const { |
| 157 | switch (op()) { |
| 158 | case Token::ADD: return "add-d"; |
| 159 | case Token::SUB: return "sub-d"; |
| 160 | case Token::MUL: return "mul-d"; |
| 161 | case Token::DIV: return "div-d"; |
| 162 | case Token::MOD: return "mod-d"; |
| 163 | default: |
| 164 | UNREACHABLE(); |
| 165 | return NULL; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | |
| 170 | const char* LArithmeticT::Mnemonic() const { |
| 171 | switch (op()) { |
| 172 | case Token::ADD: return "add-t"; |
| 173 | case Token::SUB: return "sub-t"; |
| 174 | case Token::MUL: return "mul-t"; |
| 175 | case Token::MOD: return "mod-t"; |
| 176 | case Token::DIV: return "div-t"; |
| 177 | case Token::BIT_AND: return "bit-and-t"; |
| 178 | case Token::BIT_OR: return "bit-or-t"; |
| 179 | case Token::BIT_XOR: return "bit-xor-t"; |
| 180 | case Token::SHL: return "sll-t"; |
| 181 | case Token::SAR: return "sra-t"; |
| 182 | case Token::SHR: return "srl-t"; |
| 183 | default: |
| 184 | UNREACHABLE(); |
| 185 | return NULL; |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | |
| 190 | void LGoto::PrintDataTo(StringStream* stream) { |
| 191 | stream->Add("B%d", block_id()); |
| 192 | } |
| 193 | |
| 194 | |
| 195 | void LBranch::PrintDataTo(StringStream* stream) { |
| 196 | stream->Add("B%d | B%d on ", true_block_id(), false_block_id()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 197 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | |
| 201 | void LCmpIDAndBranch::PrintDataTo(StringStream* stream) { |
| 202 | stream->Add("if "); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 203 | left()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 204 | stream->Add(" %s ", Token::String(op())); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 205 | right()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 206 | stream->Add(" then B%d else B%d", true_block_id(), false_block_id()); |
| 207 | } |
| 208 | |
| 209 | |
| 210 | void LIsNilAndBranch::PrintDataTo(StringStream* stream) { |
| 211 | stream->Add("if "); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 212 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 213 | stream->Add(kind() == kStrictEquality ? " === " : " == "); |
| 214 | stream->Add(nil() == kNullValue ? "null" : "undefined"); |
| 215 | stream->Add(" then B%d else B%d", true_block_id(), false_block_id()); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | void LIsObjectAndBranch::PrintDataTo(StringStream* stream) { |
| 220 | stream->Add("if is_object("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 221 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 222 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 223 | } |
| 224 | |
| 225 | |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 226 | void LIsStringAndBranch::PrintDataTo(StringStream* stream) { |
| 227 | stream->Add("if is_string("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 228 | value()->PrintTo(stream); |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 229 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 230 | } |
| 231 | |
| 232 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 233 | void LIsSmiAndBranch::PrintDataTo(StringStream* stream) { |
| 234 | stream->Add("if is_smi("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 235 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 236 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 237 | } |
| 238 | |
| 239 | |
| 240 | void LIsUndetectableAndBranch::PrintDataTo(StringStream* stream) { |
| 241 | stream->Add("if is_undetectable("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 242 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 243 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 244 | } |
| 245 | |
| 246 | |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 247 | void LStringCompareAndBranch::PrintDataTo(StringStream* stream) { |
| 248 | stream->Add("if string_compare("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 249 | left()->PrintTo(stream); |
| 250 | right()->PrintTo(stream); |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 251 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 252 | } |
| 253 | |
| 254 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 255 | void LHasInstanceTypeAndBranch::PrintDataTo(StringStream* stream) { |
| 256 | stream->Add("if has_instance_type("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 257 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 258 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 259 | } |
| 260 | |
| 261 | |
| 262 | void LHasCachedArrayIndexAndBranch::PrintDataTo(StringStream* stream) { |
| 263 | stream->Add("if has_cached_array_index("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 264 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 265 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 266 | } |
| 267 | |
| 268 | |
| 269 | void LClassOfTestAndBranch::PrintDataTo(StringStream* stream) { |
| 270 | stream->Add("if class_of_test("); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 271 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 272 | stream->Add(", \"%o\") then B%d else B%d", |
| 273 | *hydrogen()->class_name(), |
| 274 | true_block_id(), |
| 275 | false_block_id()); |
| 276 | } |
| 277 | |
| 278 | |
| 279 | void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) { |
| 280 | stream->Add("if typeof "); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 281 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 282 | stream->Add(" == \"%s\" then B%d else B%d", |
| 283 | *hydrogen()->type_literal()->ToCString(), |
| 284 | true_block_id(), false_block_id()); |
| 285 | } |
| 286 | |
| 287 | |
| 288 | void LCallConstantFunction::PrintDataTo(StringStream* stream) { |
| 289 | stream->Add("#%d / ", arity()); |
| 290 | } |
| 291 | |
| 292 | |
| 293 | void LUnaryMathOperation::PrintDataTo(StringStream* stream) { |
| 294 | stream->Add("/%s ", hydrogen()->OpName()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 295 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 296 | } |
| 297 | |
| 298 | |
| 299 | void LLoadContextSlot::PrintDataTo(StringStream* stream) { |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 300 | context()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 301 | stream->Add("[%d]", slot_index()); |
| 302 | } |
| 303 | |
| 304 | |
| 305 | void LStoreContextSlot::PrintDataTo(StringStream* stream) { |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 306 | context()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 307 | stream->Add("[%d] <- ", slot_index()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 308 | value()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | |
| 312 | void LInvokeFunction::PrintDataTo(StringStream* stream) { |
| 313 | stream->Add("= "); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 314 | function()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 315 | stream->Add(" #%d / ", arity()); |
| 316 | } |
| 317 | |
| 318 | |
| 319 | void LCallKeyed::PrintDataTo(StringStream* stream) { |
| 320 | stream->Add("[a2] #%d / ", arity()); |
| 321 | } |
| 322 | |
| 323 | |
| 324 | void LCallNamed::PrintDataTo(StringStream* stream) { |
| 325 | SmartArrayPointer<char> name_string = name()->ToCString(); |
| 326 | stream->Add("%s #%d / ", *name_string, arity()); |
| 327 | } |
| 328 | |
| 329 | |
| 330 | void LCallGlobal::PrintDataTo(StringStream* stream) { |
| 331 | SmartArrayPointer<char> name_string = name()->ToCString(); |
| 332 | stream->Add("%s #%d / ", *name_string, arity()); |
| 333 | } |
| 334 | |
| 335 | |
| 336 | void LCallKnownGlobal::PrintDataTo(StringStream* stream) { |
| 337 | stream->Add("#%d / ", arity()); |
| 338 | } |
| 339 | |
| 340 | |
| 341 | void LCallNew::PrintDataTo(StringStream* stream) { |
| 342 | stream->Add("= "); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 343 | constructor()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 344 | stream->Add(" #%d / ", arity()); |
| 345 | } |
| 346 | |
| 347 | |
| 348 | void LAccessArgumentsAt::PrintDataTo(StringStream* stream) { |
| 349 | arguments()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 350 | stream->Add(" length "); |
| 351 | length()->PrintTo(stream); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 352 | stream->Add(" index "); |
| 353 | index()->PrintTo(stream); |
| 354 | } |
| 355 | |
| 356 | |
| 357 | void LStoreNamedField::PrintDataTo(StringStream* stream) { |
| 358 | object()->PrintTo(stream); |
| 359 | stream->Add("."); |
| 360 | stream->Add(*String::cast(*name())->ToCString()); |
| 361 | stream->Add(" <- "); |
| 362 | value()->PrintTo(stream); |
| 363 | } |
| 364 | |
| 365 | |
| 366 | void LStoreNamedGeneric::PrintDataTo(StringStream* stream) { |
| 367 | object()->PrintTo(stream); |
| 368 | stream->Add("."); |
| 369 | stream->Add(*String::cast(*name())->ToCString()); |
| 370 | stream->Add(" <- "); |
| 371 | value()->PrintTo(stream); |
| 372 | } |
| 373 | |
| 374 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 375 | void LStoreKeyed::PrintDataTo(StringStream* stream) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 376 | elements()->PrintTo(stream); |
| 377 | stream->Add("["); |
| 378 | key()->PrintTo(stream); |
| 379 | stream->Add("] <- "); |
| 380 | value()->PrintTo(stream); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) { |
| 385 | object()->PrintTo(stream); |
| 386 | stream->Add("["); |
| 387 | key()->PrintTo(stream); |
| 388 | stream->Add("] <- "); |
| 389 | value()->PrintTo(stream); |
| 390 | } |
| 391 | |
| 392 | |
| 393 | void LTransitionElementsKind::PrintDataTo(StringStream* stream) { |
| 394 | object()->PrintTo(stream); |
| 395 | stream->Add(" %p -> %p", *original_map(), *transitioned_map()); |
| 396 | } |
| 397 | |
| 398 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 399 | int LPlatformChunk::GetNextSpillIndex(bool is_double) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 400 | // Skip a slot if for a double-width slot. |
| 401 | if (is_double) spill_slot_count_++; |
| 402 | return spill_slot_count_++; |
| 403 | } |
| 404 | |
| 405 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 406 | LOperand* LPlatformChunk::GetNextSpillSlot(bool is_double) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 407 | int index = GetNextSpillIndex(is_double); |
| 408 | if (is_double) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 409 | return LDoubleStackSlot::Create(index, zone()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 410 | } else { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 411 | return LStackSlot::Create(index, zone()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 412 | } |
| 413 | } |
| 414 | |
| 415 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 416 | LPlatformChunk* LChunkBuilder::Build() { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 417 | ASSERT(is_unused()); |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 418 | chunk_ = new(zone()) LPlatformChunk(info(), graph()); |
ulan@chromium.org | 9a21ec4 | 2012-03-06 08:42:24 +0000 | [diff] [blame] | 419 | HPhase phase("L_Building chunk", chunk_); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 420 | status_ = BUILDING; |
| 421 | const ZoneList<HBasicBlock*>* blocks = graph()->blocks(); |
| 422 | for (int i = 0; i < blocks->length(); i++) { |
| 423 | HBasicBlock* next = NULL; |
| 424 | if (i < blocks->length() - 1) next = blocks->at(i + 1); |
| 425 | DoBasicBlock(blocks->at(i), next); |
| 426 | if (is_aborted()) return NULL; |
| 427 | } |
| 428 | status_ = DONE; |
| 429 | return chunk_; |
| 430 | } |
| 431 | |
| 432 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 433 | void LCodeGen::Abort(const char* reason) { |
| 434 | info()->set_bailout_reason(reason); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 435 | status_ = ABORTED; |
| 436 | } |
| 437 | |
| 438 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 439 | LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 440 | return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
| 441 | Register::ToAllocationIndex(reg)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | |
| 445 | LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 446 | return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
| 447 | DoubleRegister::ToAllocationIndex(reg)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 448 | } |
| 449 | |
| 450 | |
| 451 | LOperand* LChunkBuilder::UseFixed(HValue* value, Register fixed_register) { |
| 452 | return Use(value, ToUnallocated(fixed_register)); |
| 453 | } |
| 454 | |
| 455 | |
| 456 | LOperand* LChunkBuilder::UseFixedDouble(HValue* value, DoubleRegister reg) { |
| 457 | return Use(value, ToUnallocated(reg)); |
| 458 | } |
| 459 | |
| 460 | |
| 461 | LOperand* LChunkBuilder::UseRegister(HValue* value) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 462 | return Use(value, new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | |
| 466 | LOperand* LChunkBuilder::UseRegisterAtStart(HValue* value) { |
| 467 | return Use(value, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 468 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER, |
| 469 | LUnallocated::USED_AT_START)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 470 | } |
| 471 | |
| 472 | |
| 473 | LOperand* LChunkBuilder::UseTempRegister(HValue* value) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 474 | return Use(value, new(zone()) LUnallocated(LUnallocated::WRITABLE_REGISTER)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | |
| 478 | LOperand* LChunkBuilder::Use(HValue* value) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 479 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 480 | } |
| 481 | |
| 482 | |
| 483 | LOperand* LChunkBuilder::UseAtStart(HValue* value) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 484 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 485 | LUnallocated::USED_AT_START)); |
| 486 | } |
| 487 | |
| 488 | |
| 489 | LOperand* LChunkBuilder::UseOrConstant(HValue* value) { |
| 490 | return value->IsConstant() |
| 491 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 492 | : Use(value); |
| 493 | } |
| 494 | |
| 495 | |
| 496 | LOperand* LChunkBuilder::UseOrConstantAtStart(HValue* value) { |
| 497 | return value->IsConstant() |
| 498 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 499 | : UseAtStart(value); |
| 500 | } |
| 501 | |
| 502 | |
| 503 | LOperand* LChunkBuilder::UseRegisterOrConstant(HValue* value) { |
| 504 | return value->IsConstant() |
| 505 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 506 | : UseRegister(value); |
| 507 | } |
| 508 | |
| 509 | |
| 510 | LOperand* LChunkBuilder::UseRegisterOrConstantAtStart(HValue* value) { |
| 511 | return value->IsConstant() |
| 512 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 513 | : UseRegisterAtStart(value); |
| 514 | } |
| 515 | |
| 516 | |
| 517 | LOperand* LChunkBuilder::UseAny(HValue* value) { |
| 518 | return value->IsConstant() |
| 519 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 520 | : Use(value, new(zone()) LUnallocated(LUnallocated::ANY)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | |
| 524 | LOperand* LChunkBuilder::Use(HValue* value, LUnallocated* operand) { |
| 525 | if (value->EmitAtUses()) { |
| 526 | HInstruction* instr = HInstruction::cast(value); |
| 527 | VisitInstruction(instr); |
| 528 | } |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 529 | operand->set_virtual_register(value->id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 530 | return operand; |
| 531 | } |
| 532 | |
| 533 | |
| 534 | template<int I, int T> |
| 535 | LInstruction* LChunkBuilder::Define(LTemplateInstruction<1, I, T>* instr, |
| 536 | LUnallocated* result) { |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 537 | result->set_virtual_register(current_instruction_->id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 538 | instr->set_result(result); |
| 539 | return instr; |
| 540 | } |
| 541 | |
| 542 | |
| 543 | template<int I, int T> |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 544 | LInstruction* LChunkBuilder::DefineAsRegister( |
| 545 | LTemplateInstruction<1, I, T>* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 546 | return Define(instr, |
| 547 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | |
| 551 | template<int I, int T> |
| 552 | LInstruction* LChunkBuilder::DefineAsSpilled( |
| 553 | LTemplateInstruction<1, I, T>* instr, int index) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 554 | return Define(instr, |
| 555 | new(zone()) LUnallocated(LUnallocated::FIXED_SLOT, index)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 556 | } |
| 557 | |
| 558 | |
| 559 | template<int I, int T> |
| 560 | LInstruction* LChunkBuilder::DefineSameAsFirst( |
| 561 | LTemplateInstruction<1, I, T>* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 562 | return Define(instr, |
| 563 | new(zone()) LUnallocated(LUnallocated::SAME_AS_FIRST_INPUT)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | |
| 567 | template<int I, int T> |
| 568 | LInstruction* LChunkBuilder::DefineFixed( |
| 569 | LTemplateInstruction<1, I, T>* instr, Register reg) { |
| 570 | return Define(instr, ToUnallocated(reg)); |
| 571 | } |
| 572 | |
| 573 | |
| 574 | template<int I, int T> |
| 575 | LInstruction* LChunkBuilder::DefineFixedDouble( |
| 576 | LTemplateInstruction<1, I, T>* instr, DoubleRegister reg) { |
| 577 | return Define(instr, ToUnallocated(reg)); |
| 578 | } |
| 579 | |
| 580 | |
| 581 | LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) { |
| 582 | HEnvironment* hydrogen_env = current_block_->last_environment(); |
| 583 | int argument_index_accumulator = 0; |
| 584 | instr->set_environment(CreateEnvironment(hydrogen_env, |
| 585 | &argument_index_accumulator)); |
| 586 | return instr; |
| 587 | } |
| 588 | |
| 589 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 590 | LInstruction* LChunkBuilder::MarkAsCall(LInstruction* instr, |
| 591 | HInstruction* hinstr, |
| 592 | CanDeoptimize can_deoptimize) { |
| 593 | #ifdef DEBUG |
| 594 | instr->VerifyCall(); |
| 595 | #endif |
| 596 | instr->MarkAsCall(); |
| 597 | instr = AssignPointerMap(instr); |
| 598 | |
| 599 | if (hinstr->HasObservableSideEffects()) { |
| 600 | ASSERT(hinstr->next()->IsSimulate()); |
| 601 | HSimulate* sim = HSimulate::cast(hinstr->next()); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 602 | ASSERT(instruction_pending_deoptimization_environment_ == NULL); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 603 | ASSERT(pending_deoptimization_ast_id_.IsNone()); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 604 | instruction_pending_deoptimization_environment_ = instr; |
| 605 | pending_deoptimization_ast_id_ = sim->ast_id(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | // If instruction does not have side-effects lazy deoptimization |
| 609 | // after the call will try to deoptimize to the point before the call. |
| 610 | // Thus we still need to attach environment to this call even if |
| 611 | // call sequence can not deoptimize eagerly. |
| 612 | bool needs_environment = |
| 613 | (can_deoptimize == CAN_DEOPTIMIZE_EAGERLY) || |
| 614 | !hinstr->HasObservableSideEffects(); |
| 615 | if (needs_environment && !instr->HasEnvironment()) { |
| 616 | instr = AssignEnvironment(instr); |
| 617 | } |
| 618 | |
| 619 | return instr; |
| 620 | } |
| 621 | |
| 622 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 623 | LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { |
| 624 | ASSERT(!instr->HasPointerMap()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 625 | instr->set_pointer_map(new(zone()) LPointerMap(position_, zone())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 626 | return instr; |
| 627 | } |
| 628 | |
| 629 | |
| 630 | LUnallocated* LChunkBuilder::TempRegister() { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 631 | LUnallocated* operand = |
| 632 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 633 | operand->set_virtual_register(allocator_->GetVirtualRegister()); |
| 634 | if (!allocator_->AllocationOk()) Abort("Not enough virtual registers."); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 635 | return operand; |
| 636 | } |
| 637 | |
| 638 | |
| 639 | LOperand* LChunkBuilder::FixedTemp(Register reg) { |
| 640 | LUnallocated* operand = ToUnallocated(reg); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 641 | ASSERT(operand->HasFixedPolicy()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 642 | return operand; |
| 643 | } |
| 644 | |
| 645 | |
| 646 | LOperand* LChunkBuilder::FixedTemp(DoubleRegister reg) { |
| 647 | LUnallocated* operand = ToUnallocated(reg); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 648 | ASSERT(operand->HasFixedPolicy()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 649 | return operand; |
| 650 | } |
| 651 | |
| 652 | |
| 653 | LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 654 | return new(zone()) LLabel(instr->block()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 655 | } |
| 656 | |
| 657 | |
| 658 | LInstruction* LChunkBuilder::DoSoftDeoptimize(HSoftDeoptimize* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 659 | return AssignEnvironment(new(zone()) LDeoptimize); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 660 | } |
| 661 | |
| 662 | |
| 663 | LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 664 | return AssignEnvironment(new(zone()) LDeoptimize); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 665 | } |
| 666 | |
| 667 | |
| 668 | LInstruction* LChunkBuilder::DoShift(Token::Value op, |
| 669 | HBitwiseBinaryOperation* instr) { |
| 670 | if (instr->representation().IsTagged()) { |
| 671 | ASSERT(instr->left()->representation().IsTagged()); |
| 672 | ASSERT(instr->right()->representation().IsTagged()); |
| 673 | |
| 674 | LOperand* left = UseFixed(instr->left(), a1); |
| 675 | LOperand* right = UseFixed(instr->right(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 676 | LArithmeticT* result = new(zone()) LArithmeticT(op, left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 677 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 678 | } |
| 679 | |
| 680 | ASSERT(instr->representation().IsInteger32()); |
| 681 | ASSERT(instr->left()->representation().IsInteger32()); |
| 682 | ASSERT(instr->right()->representation().IsInteger32()); |
| 683 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 684 | |
| 685 | HValue* right_value = instr->right(); |
| 686 | LOperand* right = NULL; |
| 687 | int constant_value = 0; |
| 688 | if (right_value->IsConstant()) { |
| 689 | HConstant* constant = HConstant::cast(right_value); |
| 690 | right = chunk_->DefineConstantOperand(constant); |
| 691 | constant_value = constant->Integer32Value() & 0x1f; |
| 692 | } else { |
| 693 | right = UseRegisterAtStart(right_value); |
| 694 | } |
| 695 | |
danno@chromium.org | 72204d5 | 2012-10-31 10:02:10 +0000 | [diff] [blame] | 696 | // Shift operations can only deoptimize if we do a logical shift |
| 697 | // by 0 and the result cannot be truncated to int32. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 698 | bool does_deopt = false; |
danno@chromium.org | 72204d5 | 2012-10-31 10:02:10 +0000 | [diff] [blame] | 699 | if (op == Token::SHR && constant_value == 0) { |
| 700 | if (FLAG_opt_safe_uint32_operations) { |
| 701 | does_deopt = !instr->CheckFlag(HInstruction::kUint32); |
| 702 | } else { |
jkummerow@chromium.org | 78502a9 | 2012-09-06 13:50:42 +0000 | [diff] [blame] | 703 | for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) { |
| 704 | if (!it.value()->CheckFlag(HValue::kTruncatingToInt32)) { |
| 705 | does_deopt = true; |
| 706 | break; |
| 707 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 708 | } |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | LInstruction* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 713 | DefineAsRegister(new(zone()) LShiftI(op, left, right, does_deopt)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 714 | return does_deopt ? AssignEnvironment(result) : result; |
| 715 | } |
| 716 | |
| 717 | |
| 718 | LInstruction* LChunkBuilder::DoArithmeticD(Token::Value op, |
| 719 | HArithmeticBinaryOperation* instr) { |
| 720 | ASSERT(instr->representation().IsDouble()); |
| 721 | ASSERT(instr->left()->representation().IsDouble()); |
| 722 | ASSERT(instr->right()->representation().IsDouble()); |
| 723 | ASSERT(op != Token::MOD); |
| 724 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 725 | LOperand* right = UseRegisterAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 726 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 727 | return DefineAsRegister(result); |
| 728 | } |
| 729 | |
| 730 | |
| 731 | LInstruction* LChunkBuilder::DoArithmeticT(Token::Value op, |
| 732 | HArithmeticBinaryOperation* instr) { |
| 733 | ASSERT(op == Token::ADD || |
| 734 | op == Token::DIV || |
| 735 | op == Token::MOD || |
| 736 | op == Token::MUL || |
| 737 | op == Token::SUB); |
| 738 | HValue* left = instr->left(); |
| 739 | HValue* right = instr->right(); |
| 740 | ASSERT(left->representation().IsTagged()); |
| 741 | ASSERT(right->representation().IsTagged()); |
| 742 | LOperand* left_operand = UseFixed(left, a1); |
| 743 | LOperand* right_operand = UseFixed(right, a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 744 | LArithmeticT* result = |
| 745 | new(zone()) LArithmeticT(op, left_operand, right_operand); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 746 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 747 | } |
| 748 | |
| 749 | |
| 750 | void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) { |
| 751 | ASSERT(is_building()); |
| 752 | current_block_ = block; |
| 753 | next_block_ = next_block; |
| 754 | if (block->IsStartBlock()) { |
| 755 | block->UpdateEnvironment(graph_->start_environment()); |
| 756 | argument_count_ = 0; |
| 757 | } else if (block->predecessors()->length() == 1) { |
| 758 | // We have a single predecessor => copy environment and outgoing |
| 759 | // argument count from the predecessor. |
| 760 | ASSERT(block->phis()->length() == 0); |
| 761 | HBasicBlock* pred = block->predecessors()->at(0); |
| 762 | HEnvironment* last_environment = pred->last_environment(); |
| 763 | ASSERT(last_environment != NULL); |
| 764 | // Only copy the environment, if it is later used again. |
| 765 | if (pred->end()->SecondSuccessor() == NULL) { |
| 766 | ASSERT(pred->end()->FirstSuccessor() == block); |
| 767 | } else { |
| 768 | if (pred->end()->FirstSuccessor()->block_id() > block->block_id() || |
| 769 | pred->end()->SecondSuccessor()->block_id() > block->block_id()) { |
| 770 | last_environment = last_environment->Copy(); |
| 771 | } |
| 772 | } |
| 773 | block->UpdateEnvironment(last_environment); |
| 774 | ASSERT(pred->argument_count() >= 0); |
| 775 | argument_count_ = pred->argument_count(); |
| 776 | } else { |
| 777 | // We are at a state join => process phis. |
| 778 | HBasicBlock* pred = block->predecessors()->at(0); |
| 779 | // No need to copy the environment, it cannot be used later. |
| 780 | HEnvironment* last_environment = pred->last_environment(); |
| 781 | for (int i = 0; i < block->phis()->length(); ++i) { |
| 782 | HPhi* phi = block->phis()->at(i); |
| 783 | last_environment->SetValueAt(phi->merged_index(), phi); |
| 784 | } |
| 785 | for (int i = 0; i < block->deleted_phis()->length(); ++i) { |
| 786 | last_environment->SetValueAt(block->deleted_phis()->at(i), |
| 787 | graph_->GetConstantUndefined()); |
| 788 | } |
| 789 | block->UpdateEnvironment(last_environment); |
| 790 | // Pick up the outgoing argument count of one of the predecessors. |
| 791 | argument_count_ = pred->argument_count(); |
| 792 | } |
| 793 | HInstruction* current = block->first(); |
| 794 | int start = chunk_->instructions()->length(); |
| 795 | while (current != NULL && !is_aborted()) { |
| 796 | // Code for constants in registers is generated lazily. |
| 797 | if (!current->EmitAtUses()) { |
| 798 | VisitInstruction(current); |
| 799 | } |
| 800 | current = current->next(); |
| 801 | } |
| 802 | int end = chunk_->instructions()->length() - 1; |
| 803 | if (end >= start) { |
| 804 | block->set_first_instruction_index(start); |
| 805 | block->set_last_instruction_index(end); |
| 806 | } |
| 807 | block->set_argument_count(argument_count_); |
| 808 | next_block_ = NULL; |
| 809 | current_block_ = NULL; |
| 810 | } |
| 811 | |
| 812 | |
| 813 | void LChunkBuilder::VisitInstruction(HInstruction* current) { |
| 814 | HInstruction* old_current = current_instruction_; |
| 815 | current_instruction_ = current; |
| 816 | if (current->has_position()) position_ = current->position(); |
| 817 | LInstruction* instr = current->CompileToLithium(this); |
| 818 | |
| 819 | if (instr != NULL) { |
| 820 | if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) { |
| 821 | instr = AssignPointerMap(instr); |
| 822 | } |
| 823 | if (FLAG_stress_environments && !instr->HasEnvironment()) { |
| 824 | instr = AssignEnvironment(instr); |
| 825 | } |
| 826 | instr->set_hydrogen_value(current); |
| 827 | chunk_->AddInstruction(instr, current_block_); |
| 828 | } |
| 829 | current_instruction_ = old_current; |
| 830 | } |
| 831 | |
| 832 | |
| 833 | LEnvironment* LChunkBuilder::CreateEnvironment( |
| 834 | HEnvironment* hydrogen_env, |
| 835 | int* argument_index_accumulator) { |
| 836 | if (hydrogen_env == NULL) return NULL; |
| 837 | |
| 838 | LEnvironment* outer = |
| 839 | CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 840 | BailoutId ast_id = hydrogen_env->ast_id(); |
| 841 | ASSERT(!ast_id.IsNone() || |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 842 | hydrogen_env->frame_type() != JS_FUNCTION); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 843 | int value_count = hydrogen_env->length(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 844 | LEnvironment* result = new(zone()) LEnvironment( |
| 845 | hydrogen_env->closure(), |
| 846 | hydrogen_env->frame_type(), |
| 847 | ast_id, |
| 848 | hydrogen_env->parameter_count(), |
| 849 | argument_count_, |
| 850 | value_count, |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 851 | outer, |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 852 | hydrogen_env->entry(), |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 853 | zone()); |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 854 | int argument_index = *argument_index_accumulator; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 855 | for (int i = 0; i < value_count; ++i) { |
| 856 | if (hydrogen_env->is_special_index(i)) continue; |
| 857 | |
| 858 | HValue* value = hydrogen_env->values()->at(i); |
| 859 | LOperand* op = NULL; |
| 860 | if (value->IsArgumentsObject()) { |
| 861 | op = NULL; |
| 862 | } else if (value->IsPushArgument()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 863 | op = new(zone()) LArgument(argument_index++); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 864 | } else { |
| 865 | op = UseAny(value); |
| 866 | } |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 867 | result->AddValue(op, |
| 868 | value->representation(), |
| 869 | value->CheckFlag(HInstruction::kUint32)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 870 | } |
| 871 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 872 | if (hydrogen_env->frame_type() == JS_FUNCTION) { |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 873 | *argument_index_accumulator = argument_index; |
| 874 | } |
| 875 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 876 | return result; |
| 877 | } |
| 878 | |
| 879 | |
| 880 | LInstruction* LChunkBuilder::DoGoto(HGoto* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 881 | return new(zone()) LGoto(instr->FirstSuccessor()->block_id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | |
| 885 | LInstruction* LChunkBuilder::DoBranch(HBranch* instr) { |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 886 | HValue* value = instr->value(); |
| 887 | if (value->EmitAtUses()) { |
| 888 | HBasicBlock* successor = HConstant::cast(value)->ToBoolean() |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 889 | ? instr->FirstSuccessor() |
| 890 | : instr->SecondSuccessor(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 891 | return new(zone()) LGoto(successor->block_id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 892 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 893 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 894 | LBranch* result = new(zone()) LBranch(UseRegister(value)); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 895 | // Tagged values that are not known smis or booleans require a |
| 896 | // deoptimization environment. |
| 897 | Representation rep = value->representation(); |
| 898 | HType type = value->type(); |
| 899 | if (rep.IsTagged() && !type.IsSmi() && !type.IsBoolean()) { |
| 900 | return AssignEnvironment(result); |
| 901 | } |
| 902 | return result; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | |
| 906 | LInstruction* LChunkBuilder::DoCompareMap(HCompareMap* instr) { |
| 907 | ASSERT(instr->value()->representation().IsTagged()); |
| 908 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 909 | LOperand* temp = TempRegister(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 910 | return new(zone()) LCmpMapAndBranch(value, temp); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 911 | } |
| 912 | |
| 913 | |
| 914 | LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 915 | return DefineAsRegister( |
| 916 | new(zone()) LArgumentsLength(UseRegister(length->value()))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | |
| 920 | LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) { |
danno@chromium.org | b2a1c07 | 2012-03-23 15:47:56 +0000 | [diff] [blame] | 921 | return DefineAsRegister(new(zone()) LArgumentsElements); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 922 | } |
| 923 | |
| 924 | |
| 925 | LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) { |
| 926 | LInstanceOf* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 927 | new(zone()) LInstanceOf(UseFixed(instr->left(), a0), |
| 928 | UseFixed(instr->right(), a1)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 929 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 930 | } |
| 931 | |
| 932 | |
| 933 | LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal( |
| 934 | HInstanceOfKnownGlobal* instr) { |
| 935 | LInstanceOfKnownGlobal* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 936 | new(zone()) LInstanceOfKnownGlobal(UseFixed(instr->left(), a0), |
| 937 | FixedTemp(t0)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 938 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 939 | } |
| 940 | |
| 941 | |
rossberg@chromium.org | 2c067b1 | 2012-03-19 11:01:52 +0000 | [diff] [blame] | 942 | LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
| 943 | LOperand* receiver = UseRegisterAtStart(instr->receiver()); |
| 944 | LOperand* function = UseRegisterAtStart(instr->function()); |
| 945 | LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); |
| 946 | return AssignEnvironment(DefineSameAsFirst(result)); |
| 947 | } |
| 948 | |
| 949 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 950 | LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) { |
| 951 | LOperand* function = UseFixed(instr->function(), a1); |
| 952 | LOperand* receiver = UseFixed(instr->receiver(), a0); |
| 953 | LOperand* length = UseFixed(instr->length(), a2); |
| 954 | LOperand* elements = UseFixed(instr->elements(), a3); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 955 | LApplyArguments* result = new(zone()) LApplyArguments(function, |
| 956 | receiver, |
| 957 | length, |
| 958 | elements); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 959 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) { |
| 964 | ++argument_count_; |
| 965 | LOperand* argument = Use(instr->argument()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 966 | return new(zone()) LPushArgument(argument); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 967 | } |
| 968 | |
| 969 | |
| 970 | LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 971 | return instr->HasNoUses() |
| 972 | ? NULL |
| 973 | : DefineAsRegister(new(zone()) LThisFunction); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | |
| 977 | LInstruction* LChunkBuilder::DoContext(HContext* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 978 | return instr->HasNoUses() ? NULL : DefineAsRegister(new(zone()) LContext); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 979 | } |
| 980 | |
| 981 | |
| 982 | LInstruction* LChunkBuilder::DoOuterContext(HOuterContext* instr) { |
| 983 | LOperand* context = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 984 | return DefineAsRegister(new(zone()) LOuterContext(context)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 985 | } |
| 986 | |
| 987 | |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 988 | LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 989 | return MarkAsCall(new(zone()) LDeclareGlobals, instr); |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 993 | LInstruction* LChunkBuilder::DoGlobalObject(HGlobalObject* instr) { |
| 994 | LOperand* context = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 995 | return DefineAsRegister(new(zone()) LGlobalObject(context)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 996 | } |
| 997 | |
| 998 | |
| 999 | LInstruction* LChunkBuilder::DoGlobalReceiver(HGlobalReceiver* instr) { |
| 1000 | LOperand* global_object = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1001 | return DefineAsRegister(new(zone()) LGlobalReceiver(global_object)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | LInstruction* LChunkBuilder::DoCallConstantFunction( |
| 1006 | HCallConstantFunction* instr) { |
| 1007 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1008 | return MarkAsCall(DefineFixed(new(zone()) LCallConstantFunction, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1009 | } |
| 1010 | |
| 1011 | |
| 1012 | LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) { |
| 1013 | LOperand* function = UseFixed(instr->function(), a1); |
| 1014 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1015 | LInvokeFunction* result = new(zone()) LInvokeFunction(function); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1016 | return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
| 1017 | } |
| 1018 | |
| 1019 | |
| 1020 | LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) { |
| 1021 | BuiltinFunctionId op = instr->op(); |
ulan@chromium.org | 9a21ec4 | 2012-03-06 08:42:24 +0000 | [diff] [blame] | 1022 | if (op == kMathLog || op == kMathSin || op == kMathCos || op == kMathTan) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1023 | LOperand* input = UseFixedDouble(instr->value(), f4); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1024 | LUnaryMathOperation* result = new(zone()) LUnaryMathOperation(input, NULL); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1025 | return MarkAsCall(DefineFixedDouble(result, f4), instr); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1026 | } else if (op == kMathPowHalf) { |
| 1027 | // Input cannot be the same as the result. |
| 1028 | // See lithium-codegen-mips.cc::DoMathPowHalf. |
| 1029 | LOperand* input = UseFixedDouble(instr->value(), f8); |
| 1030 | LOperand* temp = FixedTemp(f6); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1031 | LUnaryMathOperation* result = new(zone()) LUnaryMathOperation(input, temp); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1032 | return DefineFixedDouble(result, f4); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1033 | } else { |
| 1034 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1035 | LOperand* temp = (op == kMathFloor) ? TempRegister() : NULL; |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1036 | LUnaryMathOperation* result = new(zone()) LUnaryMathOperation(input, temp); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1037 | switch (op) { |
| 1038 | case kMathAbs: |
| 1039 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
| 1040 | case kMathFloor: |
| 1041 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
| 1042 | case kMathSqrt: |
| 1043 | return DefineAsRegister(result); |
| 1044 | case kMathRound: |
| 1045 | return AssignEnvironment(DefineAsRegister(result)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1046 | default: |
| 1047 | UNREACHABLE(); |
| 1048 | return NULL; |
| 1049 | } |
| 1050 | } |
| 1051 | } |
| 1052 | |
| 1053 | |
| 1054 | LInstruction* LChunkBuilder::DoCallKeyed(HCallKeyed* instr) { |
| 1055 | ASSERT(instr->key()->representation().IsTagged()); |
| 1056 | argument_count_ -= instr->argument_count(); |
| 1057 | LOperand* key = UseFixed(instr->key(), a2); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1058 | return MarkAsCall(DefineFixed(new(zone()) LCallKeyed(key), v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1059 | } |
| 1060 | |
| 1061 | |
| 1062 | LInstruction* LChunkBuilder::DoCallNamed(HCallNamed* instr) { |
| 1063 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1064 | return MarkAsCall(DefineFixed(new(zone()) LCallNamed, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1065 | } |
| 1066 | |
| 1067 | |
| 1068 | LInstruction* LChunkBuilder::DoCallGlobal(HCallGlobal* instr) { |
| 1069 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1070 | return MarkAsCall(DefineFixed(new(zone()) LCallGlobal, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | |
| 1074 | LInstruction* LChunkBuilder::DoCallKnownGlobal(HCallKnownGlobal* instr) { |
| 1075 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1076 | return MarkAsCall(DefineFixed(new(zone()) LCallKnownGlobal, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1077 | } |
| 1078 | |
| 1079 | |
| 1080 | LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) { |
| 1081 | LOperand* constructor = UseFixed(instr->constructor(), a1); |
| 1082 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1083 | LCallNew* result = new(zone()) LCallNew(constructor); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1084 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) { |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1089 | LOperand* function = UseFixed(instr->function(), a1); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1090 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1091 | return MarkAsCall(DefineFixed(new(zone()) LCallFunction(function), v0), |
| 1092 | instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) { |
| 1097 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1098 | return MarkAsCall(DefineFixed(new(zone()) LCallRuntime, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | LInstruction* LChunkBuilder::DoShr(HShr* instr) { |
| 1103 | return DoShift(Token::SHR, instr); |
| 1104 | } |
| 1105 | |
| 1106 | |
| 1107 | LInstruction* LChunkBuilder::DoSar(HSar* instr) { |
| 1108 | return DoShift(Token::SAR, instr); |
| 1109 | } |
| 1110 | |
| 1111 | |
| 1112 | LInstruction* LChunkBuilder::DoShl(HShl* instr) { |
| 1113 | return DoShift(Token::SHL, instr); |
| 1114 | } |
| 1115 | |
| 1116 | |
| 1117 | LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) { |
| 1118 | if (instr->representation().IsInteger32()) { |
| 1119 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1120 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1121 | |
| 1122 | LOperand* left = UseRegisterAtStart(instr->LeastConstantOperand()); |
| 1123 | LOperand* right = UseOrConstantAtStart(instr->MostConstantOperand()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1124 | return DefineAsRegister(new(zone()) LBitI(left, right)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1125 | } else { |
| 1126 | ASSERT(instr->representation().IsTagged()); |
| 1127 | ASSERT(instr->left()->representation().IsTagged()); |
| 1128 | ASSERT(instr->right()->representation().IsTagged()); |
| 1129 | |
| 1130 | LOperand* left = UseFixed(instr->left(), a1); |
| 1131 | LOperand* right = UseFixed(instr->right(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1132 | LArithmeticT* result = new(zone()) LArithmeticT(instr->op(), left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1133 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | |
| 1138 | LInstruction* LChunkBuilder::DoBitNot(HBitNot* instr) { |
| 1139 | ASSERT(instr->value()->representation().IsInteger32()); |
| 1140 | ASSERT(instr->representation().IsInteger32()); |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 1141 | if (instr->HasNoUses()) return NULL; |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1142 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1143 | return DefineAsRegister(new(zone()) LBitNotI(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1144 | } |
| 1145 | |
| 1146 | |
| 1147 | LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { |
| 1148 | if (instr->representation().IsDouble()) { |
| 1149 | return DoArithmeticD(Token::DIV, instr); |
| 1150 | } else if (instr->representation().IsInteger32()) { |
| 1151 | // TODO(1042) The fixed register allocation |
| 1152 | // is needed because we call TypeRecordingBinaryOpStub from |
| 1153 | // the generated code, which requires registers a0 |
| 1154 | // and a1 to be used. We should remove that |
| 1155 | // when we provide a native implementation. |
| 1156 | LOperand* dividend = UseFixed(instr->left(), a0); |
| 1157 | LOperand* divisor = UseFixed(instr->right(), a1); |
| 1158 | return AssignEnvironment(AssignPointerMap( |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1159 | DefineFixed(new(zone()) LDivI(dividend, divisor), v0))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1160 | } else { |
| 1161 | return DoArithmeticT(Token::DIV, instr); |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | |
yangguo@chromium.org | efdb9d7 | 2012-04-26 08:21:05 +0000 | [diff] [blame] | 1166 | LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
| 1167 | UNIMPLEMENTED(); |
| 1168 | return NULL; |
| 1169 | } |
| 1170 | |
| 1171 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1172 | LInstruction* LChunkBuilder::DoMod(HMod* instr) { |
| 1173 | if (instr->representation().IsInteger32()) { |
| 1174 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1175 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1176 | |
| 1177 | LModI* mod; |
| 1178 | if (instr->HasPowerOf2Divisor()) { |
| 1179 | ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero)); |
| 1180 | LOperand* value = UseRegisterAtStart(instr->left()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1181 | mod = new(zone()) LModI(value, UseOrConstant(instr->right())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1182 | } else { |
| 1183 | LOperand* dividend = UseRegister(instr->left()); |
| 1184 | LOperand* divisor = UseRegister(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1185 | mod = new(zone()) LModI(dividend, |
| 1186 | divisor, |
| 1187 | TempRegister(), |
| 1188 | FixedTemp(f20), |
| 1189 | FixedTemp(f22)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1190 | } |
| 1191 | |
| 1192 | if (instr->CheckFlag(HValue::kBailoutOnMinusZero) || |
| 1193 | instr->CheckFlag(HValue::kCanBeDivByZero)) { |
| 1194 | return AssignEnvironment(DefineAsRegister(mod)); |
| 1195 | } else { |
| 1196 | return DefineAsRegister(mod); |
| 1197 | } |
| 1198 | } else if (instr->representation().IsTagged()) { |
| 1199 | return DoArithmeticT(Token::MOD, instr); |
| 1200 | } else { |
| 1201 | ASSERT(instr->representation().IsDouble()); |
| 1202 | // We call a C function for double modulo. It can't trigger a GC. |
| 1203 | // We need to use fixed result register for the call. |
| 1204 | // TODO(fschneider): Allow any register as input registers. |
| 1205 | LOperand* left = UseFixedDouble(instr->left(), f2); |
| 1206 | LOperand* right = UseFixedDouble(instr->right(), f4); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1207 | LArithmeticD* result = new(zone()) LArithmeticD(Token::MOD, left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1208 | return MarkAsCall(DefineFixedDouble(result, f2), instr); |
| 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | |
| 1213 | LInstruction* LChunkBuilder::DoMul(HMul* instr) { |
| 1214 | if (instr->representation().IsInteger32()) { |
| 1215 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1216 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1217 | LOperand* left; |
| 1218 | LOperand* right = UseOrConstant(instr->MostConstantOperand()); |
| 1219 | LOperand* temp = NULL; |
| 1220 | if (instr->CheckFlag(HValue::kBailoutOnMinusZero) && |
| 1221 | (instr->CheckFlag(HValue::kCanOverflow) || |
| 1222 | !right->IsConstantOperand())) { |
| 1223 | left = UseRegister(instr->LeastConstantOperand()); |
| 1224 | temp = TempRegister(); |
| 1225 | } else { |
| 1226 | left = UseRegisterAtStart(instr->LeastConstantOperand()); |
| 1227 | } |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1228 | LMulI* mul = new(zone()) LMulI(left, right, temp); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1229 | if (instr->CheckFlag(HValue::kCanOverflow) || |
| 1230 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1231 | AssignEnvironment(mul); |
| 1232 | } |
| 1233 | return DefineAsRegister(mul); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1234 | |
| 1235 | } else if (instr->representation().IsDouble()) { |
| 1236 | return DoArithmeticD(Token::MUL, instr); |
| 1237 | |
| 1238 | } else { |
| 1239 | return DoArithmeticT(Token::MUL, instr); |
| 1240 | } |
| 1241 | } |
| 1242 | |
| 1243 | |
| 1244 | LInstruction* LChunkBuilder::DoSub(HSub* instr) { |
| 1245 | if (instr->representation().IsInteger32()) { |
| 1246 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1247 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1248 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1249 | LOperand* right = UseOrConstantAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1250 | LSubI* sub = new(zone()) LSubI(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1251 | LInstruction* result = DefineAsRegister(sub); |
| 1252 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1253 | result = AssignEnvironment(result); |
| 1254 | } |
| 1255 | return result; |
| 1256 | } else if (instr->representation().IsDouble()) { |
| 1257 | return DoArithmeticD(Token::SUB, instr); |
| 1258 | } else { |
| 1259 | return DoArithmeticT(Token::SUB, instr); |
| 1260 | } |
| 1261 | } |
| 1262 | |
| 1263 | |
| 1264 | LInstruction* LChunkBuilder::DoAdd(HAdd* instr) { |
| 1265 | if (instr->representation().IsInteger32()) { |
| 1266 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1267 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1268 | LOperand* left = UseRegisterAtStart(instr->LeastConstantOperand()); |
| 1269 | LOperand* right = UseOrConstantAtStart(instr->MostConstantOperand()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1270 | LAddI* add = new(zone()) LAddI(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1271 | LInstruction* result = DefineAsRegister(add); |
| 1272 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1273 | result = AssignEnvironment(result); |
| 1274 | } |
| 1275 | return result; |
| 1276 | } else if (instr->representation().IsDouble()) { |
| 1277 | return DoArithmeticD(Token::ADD, instr); |
| 1278 | } else { |
| 1279 | ASSERT(instr->representation().IsTagged()); |
| 1280 | return DoArithmeticT(Token::ADD, instr); |
| 1281 | } |
| 1282 | } |
| 1283 | |
| 1284 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1285 | LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) { |
| 1286 | LOperand* left = NULL; |
| 1287 | LOperand* right = NULL; |
| 1288 | if (instr->representation().IsInteger32()) { |
| 1289 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1290 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1291 | left = UseRegisterAtStart(instr->LeastConstantOperand()); |
| 1292 | right = UseOrConstantAtStart(instr->MostConstantOperand()); |
| 1293 | } else { |
| 1294 | ASSERT(instr->representation().IsDouble()); |
| 1295 | ASSERT(instr->left()->representation().IsDouble()); |
| 1296 | ASSERT(instr->right()->representation().IsDouble()); |
| 1297 | left = UseRegisterAtStart(instr->left()); |
| 1298 | right = UseRegisterAtStart(instr->right()); |
| 1299 | } |
| 1300 | return DefineAsRegister(new(zone()) LMathMinMax(left, right)); |
| 1301 | } |
| 1302 | |
| 1303 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1304 | LInstruction* LChunkBuilder::DoPower(HPower* instr) { |
| 1305 | ASSERT(instr->representation().IsDouble()); |
| 1306 | // We call a C function for double power. It can't trigger a GC. |
| 1307 | // We need to use fixed result register for the call. |
| 1308 | Representation exponent_type = instr->right()->representation(); |
| 1309 | ASSERT(instr->left()->representation().IsDouble()); |
| 1310 | LOperand* left = UseFixedDouble(instr->left(), f2); |
| 1311 | LOperand* right = exponent_type.IsDouble() ? |
| 1312 | UseFixedDouble(instr->right(), f4) : |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1313 | UseFixed(instr->right(), a2); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1314 | LPower* result = new(zone()) LPower(left, right); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1315 | return MarkAsCall(DefineFixedDouble(result, f0), |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1316 | instr, |
| 1317 | CAN_DEOPTIMIZE_EAGERLY); |
| 1318 | } |
| 1319 | |
| 1320 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1321 | LInstruction* LChunkBuilder::DoRandom(HRandom* instr) { |
| 1322 | ASSERT(instr->representation().IsDouble()); |
| 1323 | ASSERT(instr->global_object()->representation().IsTagged()); |
| 1324 | LOperand* global_object = UseFixed(instr->global_object(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1325 | LRandom* result = new(zone()) LRandom(global_object); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1326 | return MarkAsCall(DefineFixedDouble(result, f0), instr); |
| 1327 | } |
| 1328 | |
| 1329 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1330 | LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1331 | ASSERT(instr->left()->representation().IsTagged()); |
| 1332 | ASSERT(instr->right()->representation().IsTagged()); |
| 1333 | LOperand* left = UseFixed(instr->left(), a1); |
| 1334 | LOperand* right = UseFixed(instr->right(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1335 | LCmpT* result = new(zone()) LCmpT(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1336 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1337 | } |
| 1338 | |
| 1339 | |
| 1340 | LInstruction* LChunkBuilder::DoCompareIDAndBranch( |
| 1341 | HCompareIDAndBranch* instr) { |
| 1342 | Representation r = instr->GetInputRepresentation(); |
| 1343 | if (r.IsInteger32()) { |
| 1344 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1345 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1346 | LOperand* left = UseRegisterOrConstantAtStart(instr->left()); |
| 1347 | LOperand* right = UseRegisterOrConstantAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1348 | return new(zone()) LCmpIDAndBranch(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1349 | } else { |
| 1350 | ASSERT(r.IsDouble()); |
| 1351 | ASSERT(instr->left()->representation().IsDouble()); |
| 1352 | ASSERT(instr->right()->representation().IsDouble()); |
| 1353 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1354 | LOperand* right = UseRegisterAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1355 | return new(zone()) LCmpIDAndBranch(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1356 | } |
| 1357 | } |
| 1358 | |
| 1359 | |
| 1360 | LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch( |
| 1361 | HCompareObjectEqAndBranch* instr) { |
| 1362 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1363 | LOperand* right = UseRegisterAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1364 | return new(zone()) LCmpObjectEqAndBranch(left, right); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1365 | } |
| 1366 | |
| 1367 | |
| 1368 | LInstruction* LChunkBuilder::DoCompareConstantEqAndBranch( |
| 1369 | HCompareConstantEqAndBranch* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1370 | return new(zone()) LCmpConstantEqAndBranch( |
| 1371 | UseRegisterAtStart(instr->value())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | |
| 1375 | LInstruction* LChunkBuilder::DoIsNilAndBranch(HIsNilAndBranch* instr) { |
| 1376 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1377 | return new(zone()) LIsNilAndBranch(UseRegisterAtStart(instr->value())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1378 | } |
| 1379 | |
| 1380 | |
| 1381 | LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) { |
| 1382 | ASSERT(instr->value()->representation().IsTagged()); |
| 1383 | LOperand* temp = TempRegister(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1384 | return new(zone()) LIsObjectAndBranch(UseRegisterAtStart(instr->value()), |
| 1385 | temp); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 1389 | LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) { |
| 1390 | ASSERT(instr->value()->representation().IsTagged()); |
| 1391 | LOperand* temp = TempRegister(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1392 | return new(zone()) LIsStringAndBranch(UseRegisterAtStart(instr->value()), |
| 1393 | temp); |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 1394 | } |
| 1395 | |
| 1396 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1397 | LInstruction* LChunkBuilder::DoIsSmiAndBranch(HIsSmiAndBranch* instr) { |
| 1398 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1399 | return new(zone()) LIsSmiAndBranch(Use(instr->value())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1400 | } |
| 1401 | |
| 1402 | |
| 1403 | LInstruction* LChunkBuilder::DoIsUndetectableAndBranch( |
| 1404 | HIsUndetectableAndBranch* instr) { |
| 1405 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1406 | return new(zone()) LIsUndetectableAndBranch( |
| 1407 | UseRegisterAtStart(instr->value()), TempRegister()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1408 | } |
| 1409 | |
| 1410 | |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 1411 | LInstruction* LChunkBuilder::DoStringCompareAndBranch( |
| 1412 | HStringCompareAndBranch* instr) { |
| 1413 | ASSERT(instr->left()->representation().IsTagged()); |
| 1414 | ASSERT(instr->right()->representation().IsTagged()); |
| 1415 | LOperand* left = UseFixed(instr->left(), a1); |
| 1416 | LOperand* right = UseFixed(instr->right(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1417 | LStringCompareAndBranch* result = |
| 1418 | new(zone()) LStringCompareAndBranch(left, right); |
mstarzinger@chromium.org | f8c6bd5 | 2011-11-23 12:13:52 +0000 | [diff] [blame] | 1419 | return MarkAsCall(result, instr); |
| 1420 | } |
| 1421 | |
| 1422 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1423 | LInstruction* LChunkBuilder::DoHasInstanceTypeAndBranch( |
| 1424 | HHasInstanceTypeAndBranch* instr) { |
| 1425 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1426 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1427 | return new(zone()) LHasInstanceTypeAndBranch(value); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1428 | } |
| 1429 | |
| 1430 | |
| 1431 | LInstruction* LChunkBuilder::DoGetCachedArrayIndex( |
| 1432 | HGetCachedArrayIndex* instr) { |
| 1433 | ASSERT(instr->value()->representation().IsTagged()); |
| 1434 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1435 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1436 | return DefineAsRegister(new(zone()) LGetCachedArrayIndex(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1437 | } |
| 1438 | |
| 1439 | |
| 1440 | LInstruction* LChunkBuilder::DoHasCachedArrayIndexAndBranch( |
| 1441 | HHasCachedArrayIndexAndBranch* instr) { |
| 1442 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1443 | return new(zone()) LHasCachedArrayIndexAndBranch( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1444 | UseRegisterAtStart(instr->value())); |
| 1445 | } |
| 1446 | |
| 1447 | |
| 1448 | LInstruction* LChunkBuilder::DoClassOfTestAndBranch( |
| 1449 | HClassOfTestAndBranch* instr) { |
| 1450 | ASSERT(instr->value()->representation().IsTagged()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1451 | return new(zone()) LClassOfTestAndBranch(UseRegister(instr->value()), |
| 1452 | TempRegister()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | |
| 1456 | LInstruction* LChunkBuilder::DoJSArrayLength(HJSArrayLength* instr) { |
| 1457 | LOperand* array = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1458 | return DefineAsRegister(new(zone()) LJSArrayLength(array)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1459 | } |
| 1460 | |
| 1461 | |
| 1462 | LInstruction* LChunkBuilder::DoFixedArrayBaseLength( |
| 1463 | HFixedArrayBaseLength* instr) { |
| 1464 | LOperand* array = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1465 | return DefineAsRegister(new(zone()) LFixedArrayBaseLength(array)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1466 | } |
| 1467 | |
| 1468 | |
jkummerow@chromium.org | 78502a9 | 2012-09-06 13:50:42 +0000 | [diff] [blame] | 1469 | LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) { |
| 1470 | LOperand* map = UseRegisterAtStart(instr->value()); |
| 1471 | return DefineAsRegister(new(zone()) LMapEnumLength(map)); |
| 1472 | } |
| 1473 | |
| 1474 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1475 | LInstruction* LChunkBuilder::DoElementsKind(HElementsKind* instr) { |
| 1476 | LOperand* object = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1477 | return DefineAsRegister(new(zone()) LElementsKind(object)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1478 | } |
| 1479 | |
| 1480 | |
| 1481 | LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) { |
| 1482 | LOperand* object = UseRegister(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1483 | LValueOf* result = new(zone()) LValueOf(object, TempRegister()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1484 | return DefineAsRegister(result); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1485 | } |
| 1486 | |
| 1487 | |
yangguo@chromium.org | 154ff99 | 2012-03-13 08:09:54 +0000 | [diff] [blame] | 1488 | LInstruction* LChunkBuilder::DoDateField(HDateField* instr) { |
| 1489 | LOperand* object = UseFixed(instr->value(), a0); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1490 | LDateField* result = |
| 1491 | new(zone()) LDateField(object, FixedTemp(a1), instr->index()); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1492 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
yangguo@chromium.org | 154ff99 | 2012-03-13 08:09:54 +0000 | [diff] [blame] | 1493 | } |
| 1494 | |
| 1495 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1496 | LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) { |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1497 | LOperand* value = UseRegisterOrConstantAtStart(instr->index()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1498 | LOperand* length = UseRegister(instr->length()); |
| 1499 | return AssignEnvironment(new(zone()) LBoundsCheck(value, length)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1500 | } |
| 1501 | |
| 1502 | |
| 1503 | LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) { |
| 1504 | // The control instruction marking the end of a block that completed |
| 1505 | // abruptly (e.g., threw an exception). There is nothing specific to do. |
| 1506 | return NULL; |
| 1507 | } |
| 1508 | |
| 1509 | |
| 1510 | LInstruction* LChunkBuilder::DoThrow(HThrow* instr) { |
| 1511 | LOperand* value = UseFixed(instr->value(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1512 | return MarkAsCall(new(zone()) LThrow(value), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) { |
| 1517 | return NULL; |
| 1518 | } |
| 1519 | |
| 1520 | |
| 1521 | LInstruction* LChunkBuilder::DoForceRepresentation(HForceRepresentation* bad) { |
| 1522 | // All HForceRepresentation instructions should be eliminated in the |
| 1523 | // representation change phase of Hydrogen. |
| 1524 | UNREACHABLE(); |
| 1525 | return NULL; |
| 1526 | } |
| 1527 | |
| 1528 | |
| 1529 | LInstruction* LChunkBuilder::DoChange(HChange* instr) { |
| 1530 | Representation from = instr->from(); |
| 1531 | Representation to = instr->to(); |
| 1532 | if (from.IsTagged()) { |
| 1533 | if (to.IsDouble()) { |
| 1534 | LOperand* value = UseRegister(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1535 | LNumberUntagD* res = new(zone()) LNumberUntagD(value); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1536 | return AssignEnvironment(DefineAsRegister(res)); |
| 1537 | } else { |
| 1538 | ASSERT(to.IsInteger32()); |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 1539 | LOperand* value = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1540 | LInstruction* res = NULL; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1541 | if (instr->value()->type().IsSmi()) { |
| 1542 | res = DefineAsRegister(new(zone()) LSmiUntag(value, false)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1543 | } else { |
| 1544 | LOperand* temp1 = TempRegister(); |
| 1545 | LOperand* temp2 = instr->CanTruncateToInt32() ? TempRegister() |
| 1546 | : NULL; |
| 1547 | LOperand* temp3 = instr->CanTruncateToInt32() ? FixedTemp(f22) |
| 1548 | : NULL; |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1549 | res = DefineSameAsFirst(new(zone()) LTaggedToI(value, |
| 1550 | temp1, |
| 1551 | temp2, |
| 1552 | temp3)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1553 | res = AssignEnvironment(res); |
| 1554 | } |
| 1555 | return res; |
| 1556 | } |
| 1557 | } else if (from.IsDouble()) { |
| 1558 | if (to.IsTagged()) { |
| 1559 | LOperand* value = UseRegister(instr->value()); |
| 1560 | LOperand* temp1 = TempRegister(); |
| 1561 | LOperand* temp2 = TempRegister(); |
| 1562 | |
| 1563 | // Make sure that the temp and result_temp registers are |
| 1564 | // different. |
| 1565 | LUnallocated* result_temp = TempRegister(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1566 | LNumberTagD* result = new(zone()) LNumberTagD(value, temp1, temp2); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1567 | Define(result, result_temp); |
| 1568 | return AssignPointerMap(result); |
| 1569 | } else { |
| 1570 | ASSERT(to.IsInteger32()); |
| 1571 | LOperand* value = UseRegister(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1572 | LOperand* temp1 = TempRegister(); |
| 1573 | LOperand* temp2 = instr->CanTruncateToInt32() ? TempRegister() : NULL; |
| 1574 | LDoubleToI* res = new(zone()) LDoubleToI(value, temp1, temp2); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1575 | return AssignEnvironment(DefineAsRegister(res)); |
| 1576 | } |
| 1577 | } else if (from.IsInteger32()) { |
| 1578 | if (to.IsTagged()) { |
| 1579 | HValue* val = instr->value(); |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 1580 | LOperand* value = UseRegisterAtStart(val); |
jkummerow@chromium.org | 78502a9 | 2012-09-06 13:50:42 +0000 | [diff] [blame] | 1581 | if (val->CheckFlag(HInstruction::kUint32)) { |
| 1582 | LNumberTagU* result = new(zone()) LNumberTagU(value); |
| 1583 | return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); |
| 1584 | } else if (val->HasRange() && val->range()->IsInSmiRange()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1585 | return DefineAsRegister(new(zone()) LSmiTag(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1586 | } else { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1587 | LNumberTagI* result = new(zone()) LNumberTagI(value); |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 1588 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1589 | } |
| 1590 | } else { |
| 1591 | ASSERT(to.IsDouble()); |
jkummerow@chromium.org | 78502a9 | 2012-09-06 13:50:42 +0000 | [diff] [blame] | 1592 | if (instr->value()->CheckFlag(HInstruction::kUint32)) { |
| 1593 | return DefineAsRegister( |
| 1594 | new(zone()) LUint32ToDouble(UseRegister(instr->value()))); |
| 1595 | } else { |
| 1596 | return DefineAsRegister( |
| 1597 | new(zone()) LInteger32ToDouble(Use(instr->value()))); |
| 1598 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1599 | } |
| 1600 | } |
| 1601 | UNREACHABLE(); |
| 1602 | return NULL; |
| 1603 | } |
| 1604 | |
| 1605 | |
| 1606 | LInstruction* LChunkBuilder::DoCheckNonSmi(HCheckNonSmi* instr) { |
| 1607 | LOperand* value = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1608 | return AssignEnvironment(new(zone()) LCheckNonSmi(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1609 | } |
| 1610 | |
| 1611 | |
| 1612 | LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
| 1613 | LOperand* value = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1614 | LInstruction* result = new(zone()) LCheckInstanceType(value); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1615 | return AssignEnvironment(result); |
| 1616 | } |
| 1617 | |
| 1618 | |
| 1619 | LInstruction* LChunkBuilder::DoCheckPrototypeMaps(HCheckPrototypeMaps* instr) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1620 | LUnallocated* temp1 = TempRegister(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1621 | LOperand* temp2 = TempRegister(); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1622 | LCheckPrototypeMaps* result = new(zone()) LCheckPrototypeMaps(temp1, temp2); |
| 1623 | return AssignEnvironment(Define(result, temp1)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1624 | } |
| 1625 | |
| 1626 | |
| 1627 | LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) { |
| 1628 | LOperand* value = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1629 | return AssignEnvironment(new(zone()) LCheckSmi(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1630 | } |
| 1631 | |
| 1632 | |
| 1633 | LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) { |
| 1634 | LOperand* value = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1635 | return AssignEnvironment(new(zone()) LCheckFunction(value)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1636 | } |
| 1637 | |
| 1638 | |
jkummerow@chromium.org | 1456e70 | 2012-03-30 08:38:13 +0000 | [diff] [blame] | 1639 | LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1640 | LOperand* value = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | 1456e70 | 2012-03-30 08:38:13 +0000 | [diff] [blame] | 1641 | LInstruction* result = new(zone()) LCheckMaps(value); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1642 | return AssignEnvironment(result); |
| 1643 | } |
| 1644 | |
| 1645 | |
| 1646 | LInstruction* LChunkBuilder::DoClampToUint8(HClampToUint8* instr) { |
| 1647 | HValue* value = instr->value(); |
| 1648 | Representation input_rep = value->representation(); |
| 1649 | LOperand* reg = UseRegister(value); |
| 1650 | if (input_rep.IsDouble()) { |
| 1651 | // Revisit this decision, here and 8 lines below. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1652 | return DefineAsRegister(new(zone()) LClampDToUint8(reg, FixedTemp(f22))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1653 | } else if (input_rep.IsInteger32()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1654 | return DefineAsRegister(new(zone()) LClampIToUint8(reg)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1655 | } else { |
| 1656 | ASSERT(input_rep.IsTagged()); |
| 1657 | // Register allocator doesn't (yet) support allocation of double |
| 1658 | // temps. Reserve f22 explicitly. |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1659 | LClampTToUint8* result = new(zone()) LClampTToUint8(reg, FixedTemp(f22)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1660 | return AssignEnvironment(DefineAsRegister(result)); |
| 1661 | } |
| 1662 | } |
| 1663 | |
| 1664 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1665 | LInstruction* LChunkBuilder::DoReturn(HReturn* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1666 | return new(zone()) LReturn(UseFixed(instr->value(), v0)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1667 | } |
| 1668 | |
| 1669 | |
| 1670 | LInstruction* LChunkBuilder::DoConstant(HConstant* instr) { |
| 1671 | Representation r = instr->representation(); |
| 1672 | if (r.IsInteger32()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1673 | return DefineAsRegister(new(zone()) LConstantI); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1674 | } else if (r.IsDouble()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1675 | return DefineAsRegister(new(zone()) LConstantD); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1676 | } else if (r.IsTagged()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1677 | return DefineAsRegister(new(zone()) LConstantT); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1678 | } else { |
| 1679 | UNREACHABLE(); |
| 1680 | return NULL; |
| 1681 | } |
| 1682 | } |
| 1683 | |
| 1684 | |
| 1685 | LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1686 | LLoadGlobalCell* result = new(zone()) LLoadGlobalCell; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1687 | return instr->RequiresHoleCheck() |
| 1688 | ? AssignEnvironment(DefineAsRegister(result)) |
| 1689 | : DefineAsRegister(result); |
| 1690 | } |
| 1691 | |
| 1692 | |
| 1693 | LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { |
| 1694 | LOperand* global_object = UseFixed(instr->global_object(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1695 | LLoadGlobalGeneric* result = new(zone()) LLoadGlobalGeneric(global_object); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1696 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1697 | } |
| 1698 | |
| 1699 | |
| 1700 | LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) { |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 1701 | LOperand* value = UseRegister(instr->value()); |
| 1702 | // Use a temp to check the value in the cell in the case where we perform |
| 1703 | // a hole check. |
| 1704 | return instr->RequiresHoleCheck() |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1705 | ? AssignEnvironment(new(zone()) LStoreGlobalCell(value, TempRegister())) |
| 1706 | : new(zone()) LStoreGlobalCell(value, NULL); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1707 | } |
| 1708 | |
| 1709 | |
| 1710 | LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) { |
| 1711 | LOperand* global_object = UseFixed(instr->global_object(), a1); |
| 1712 | LOperand* value = UseFixed(instr->value(), a0); |
| 1713 | LStoreGlobalGeneric* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1714 | new(zone()) LStoreGlobalGeneric(global_object, value); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1715 | return MarkAsCall(result, instr); |
| 1716 | } |
| 1717 | |
| 1718 | |
| 1719 | LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { |
| 1720 | LOperand* context = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1721 | LInstruction* result = |
| 1722 | DefineAsRegister(new(zone()) LLoadContextSlot(context)); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1723 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1724 | } |
| 1725 | |
| 1726 | |
| 1727 | LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) { |
| 1728 | LOperand* context; |
| 1729 | LOperand* value; |
| 1730 | if (instr->NeedsWriteBarrier()) { |
| 1731 | context = UseTempRegister(instr->context()); |
| 1732 | value = UseTempRegister(instr->value()); |
| 1733 | } else { |
| 1734 | context = UseRegister(instr->context()); |
| 1735 | value = UseRegister(instr->value()); |
| 1736 | } |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1737 | LInstruction* result = new(zone()) LStoreContextSlot(context, value); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1738 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1739 | } |
| 1740 | |
| 1741 | |
| 1742 | LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { |
| 1743 | return DefineAsRegister( |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1744 | new(zone()) LLoadNamedField(UseRegisterAtStart(instr->object()))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1745 | } |
| 1746 | |
| 1747 | |
| 1748 | LInstruction* LChunkBuilder::DoLoadNamedFieldPolymorphic( |
| 1749 | HLoadNamedFieldPolymorphic* instr) { |
| 1750 | ASSERT(instr->representation().IsTagged()); |
| 1751 | if (instr->need_generic()) { |
| 1752 | LOperand* obj = UseFixed(instr->object(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1753 | LLoadNamedFieldPolymorphic* result = |
| 1754 | new(zone()) LLoadNamedFieldPolymorphic(obj); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1755 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1756 | } else { |
| 1757 | LOperand* obj = UseRegisterAtStart(instr->object()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1758 | LLoadNamedFieldPolymorphic* result = |
| 1759 | new(zone()) LLoadNamedFieldPolymorphic(obj); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1760 | return AssignEnvironment(DefineAsRegister(result)); |
| 1761 | } |
| 1762 | } |
| 1763 | |
| 1764 | |
| 1765 | LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { |
| 1766 | LOperand* object = UseFixed(instr->object(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1767 | LInstruction* result = DefineFixed(new(zone()) LLoadNamedGeneric(object), v0); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1768 | return MarkAsCall(result, instr); |
| 1769 | } |
| 1770 | |
| 1771 | |
| 1772 | LInstruction* LChunkBuilder::DoLoadFunctionPrototype( |
| 1773 | HLoadFunctionPrototype* instr) { |
| 1774 | return AssignEnvironment(DefineAsRegister( |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1775 | new(zone()) LLoadFunctionPrototype(UseRegister(instr->function())))); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1776 | } |
| 1777 | |
| 1778 | |
| 1779 | LInstruction* LChunkBuilder::DoLoadElements(HLoadElements* instr) { |
| 1780 | LOperand* input = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1781 | return DefineAsRegister(new(zone()) LLoadElements(input)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1782 | } |
| 1783 | |
| 1784 | |
| 1785 | LInstruction* LChunkBuilder::DoLoadExternalArrayPointer( |
| 1786 | HLoadExternalArrayPointer* instr) { |
| 1787 | LOperand* input = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1788 | return DefineAsRegister(new(zone()) LLoadExternalArrayPointer(input)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1789 | } |
| 1790 | |
| 1791 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1792 | LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { |
danno@chromium.org | 129d398 | 2012-07-25 15:01:47 +0000 | [diff] [blame] | 1793 | ASSERT(instr->key()->representation().IsInteger32() || |
| 1794 | instr->key()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1795 | ElementsKind elements_kind = instr->elements_kind(); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1796 | LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 1797 | LLoadKeyed* result = NULL; |
| 1798 | |
| 1799 | if (!instr->is_external()) { |
| 1800 | LOperand* obj = NULL; |
| 1801 | if (instr->representation().IsDouble()) { |
| 1802 | obj = UseTempRegister(instr->elements()); |
| 1803 | } else { |
| 1804 | ASSERT(instr->representation().IsTagged()); |
| 1805 | obj = UseRegisterAtStart(instr->elements()); |
| 1806 | } |
| 1807 | result = new(zone()) LLoadKeyed(obj, key); |
| 1808 | } else { |
| 1809 | ASSERT( |
| 1810 | (instr->representation().IsInteger32() && |
| 1811 | (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 1812 | (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 1813 | (instr->representation().IsDouble() && |
| 1814 | ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 1815 | (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
| 1816 | LOperand* external_pointer = UseRegister(instr->elements()); |
| 1817 | result = new(zone()) LLoadKeyed(external_pointer, key); |
| 1818 | } |
| 1819 | |
| 1820 | DefineAsRegister(result); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1821 | // An unsigned int array load might overflow and cause a deopt, make sure it |
| 1822 | // has an environment. |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1823 | bool can_deoptimize = instr->RequiresHoleCheck() || |
| 1824 | (elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS); |
| 1825 | return can_deoptimize ? AssignEnvironment(result) : result; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1826 | } |
| 1827 | |
| 1828 | |
| 1829 | LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { |
| 1830 | LOperand* object = UseFixed(instr->object(), a1); |
| 1831 | LOperand* key = UseFixed(instr->key(), a0); |
| 1832 | |
| 1833 | LInstruction* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1834 | DefineFixed(new(zone()) LLoadKeyedGeneric(object, key), v0); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1835 | return MarkAsCall(result, instr); |
| 1836 | } |
| 1837 | |
| 1838 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1839 | LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { |
| 1840 | ElementsKind elements_kind = instr->elements_kind(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1841 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1842 | LOperand* key = needs_write_barrier |
| 1843 | ? UseTempRegister(instr->key()) |
| 1844 | : UseRegisterOrConstantAtStart(instr->key()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1845 | bool val_is_temp_register = |
| 1846 | elements_kind == EXTERNAL_PIXEL_ELEMENTS || |
| 1847 | elements_kind == EXTERNAL_FLOAT_ELEMENTS; |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1848 | LOperand* val = val_is_temp_register || needs_write_barrier |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1849 | ? UseTempRegister(instr->value()) |
| 1850 | : UseRegister(instr->value()); |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1851 | LStoreKeyed* result = NULL; |
| 1852 | if (!instr->is_external()) { |
| 1853 | ASSERT(instr->elements()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1854 | |
mvstanton@chromium.org | e4ac3ef | 2012-11-12 14:53:34 +0000 | [diff] [blame^] | 1855 | LOperand* object = NULL; |
| 1856 | if (instr->value()->representation().IsDouble()) { |
| 1857 | object = UseRegisterAtStart(instr->elements()); |
| 1858 | } else { |
| 1859 | ASSERT(instr->value()->representation().IsTagged()); |
| 1860 | object = UseTempRegister(instr->elements()); |
| 1861 | } |
| 1862 | |
| 1863 | result = new(zone()) LStoreKeyed(object, key, val); |
| 1864 | } else { |
| 1865 | ASSERT( |
| 1866 | (instr->value()->representation().IsInteger32() && |
| 1867 | (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 1868 | (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 1869 | (instr->value()->representation().IsDouble() && |
| 1870 | ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 1871 | (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
| 1872 | ASSERT(instr->elements()->representation().IsExternal()); |
| 1873 | |
| 1874 | LOperand* external_pointer = UseRegister(instr->elements()); |
| 1875 | result = new(zone()) LStoreKeyed(external_pointer, key, val); |
| 1876 | } |
| 1877 | |
| 1878 | ASSERT(result != NULL); |
| 1879 | return result; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1880 | } |
| 1881 | |
| 1882 | |
| 1883 | LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
| 1884 | LOperand* obj = UseFixed(instr->object(), a2); |
| 1885 | LOperand* key = UseFixed(instr->key(), a1); |
| 1886 | LOperand* val = UseFixed(instr->value(), a0); |
| 1887 | |
| 1888 | ASSERT(instr->object()->representation().IsTagged()); |
| 1889 | ASSERT(instr->key()->representation().IsTagged()); |
| 1890 | ASSERT(instr->value()->representation().IsTagged()); |
| 1891 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1892 | return MarkAsCall(new(zone()) LStoreKeyedGeneric(obj, key, val), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1893 | } |
| 1894 | |
| 1895 | |
| 1896 | LInstruction* LChunkBuilder::DoTransitionElementsKind( |
| 1897 | HTransitionElementsKind* instr) { |
svenpanne@chromium.org | 830d30c | 2012-05-29 13:20:14 +0000 | [diff] [blame] | 1898 | ElementsKind from_kind = instr->original_map()->elements_kind(); |
| 1899 | ElementsKind to_kind = instr->transitioned_map()->elements_kind(); |
| 1900 | if (IsSimpleMapChangeTransition(from_kind, to_kind)) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1901 | LOperand* object = UseRegister(instr->object()); |
| 1902 | LOperand* new_map_reg = TempRegister(); |
| 1903 | LTransitionElementsKind* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1904 | new(zone()) LTransitionElementsKind(object, new_map_reg, NULL); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1905 | return DefineSameAsFirst(result); |
| 1906 | } else { |
| 1907 | LOperand* object = UseFixed(instr->object(), a0); |
| 1908 | LOperand* fixed_object_reg = FixedTemp(a2); |
| 1909 | LOperand* new_map_reg = FixedTemp(a3); |
| 1910 | LTransitionElementsKind* result = |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1911 | new(zone()) LTransitionElementsKind(object, |
| 1912 | new_map_reg, |
| 1913 | fixed_object_reg); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1914 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1915 | } |
| 1916 | } |
| 1917 | |
| 1918 | |
| 1919 | LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
| 1920 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1921 | bool needs_write_barrier_for_map = !instr->transition().is_null() && |
| 1922 | instr->NeedsWriteBarrierForMap(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1923 | |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1924 | LOperand* obj; |
| 1925 | if (needs_write_barrier) { |
| 1926 | obj = instr->is_in_object() |
| 1927 | ? UseRegister(instr->object()) |
| 1928 | : UseTempRegister(instr->object()); |
| 1929 | } else { |
| 1930 | obj = needs_write_barrier_for_map |
| 1931 | ? UseRegister(instr->object()) |
| 1932 | : UseRegisterAtStart(instr->object()); |
| 1933 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1934 | |
| 1935 | LOperand* val = needs_write_barrier |
| 1936 | ? UseTempRegister(instr->value()) |
| 1937 | : UseRegister(instr->value()); |
| 1938 | |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 1939 | // We need a temporary register for write barrier of the map field. |
| 1940 | LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; |
| 1941 | |
| 1942 | return new(zone()) LStoreNamedField(obj, val, temp); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1943 | } |
| 1944 | |
| 1945 | |
| 1946 | LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { |
| 1947 | LOperand* obj = UseFixed(instr->object(), a1); |
| 1948 | LOperand* val = UseFixed(instr->value(), a0); |
| 1949 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1950 | LInstruction* result = new(zone()) LStoreNamedGeneric(obj, val); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1951 | return MarkAsCall(result, instr); |
| 1952 | } |
| 1953 | |
| 1954 | |
| 1955 | LInstruction* LChunkBuilder::DoStringAdd(HStringAdd* instr) { |
| 1956 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1957 | LOperand* right = UseRegisterAtStart(instr->right()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1958 | return MarkAsCall(DefineFixed(new(zone()) LStringAdd(left, right), v0), |
| 1959 | instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1960 | } |
| 1961 | |
| 1962 | |
| 1963 | LInstruction* LChunkBuilder::DoStringCharCodeAt(HStringCharCodeAt* instr) { |
| 1964 | LOperand* string = UseTempRegister(instr->string()); |
| 1965 | LOperand* index = UseTempRegister(instr->index()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1966 | LStringCharCodeAt* result = new(zone()) LStringCharCodeAt(string, index); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1967 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
| 1968 | } |
| 1969 | |
| 1970 | |
| 1971 | LInstruction* LChunkBuilder::DoStringCharFromCode(HStringCharFromCode* instr) { |
| 1972 | LOperand* char_code = UseRegister(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1973 | LStringCharFromCode* result = new(zone()) LStringCharFromCode(char_code); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1974 | return AssignPointerMap(DefineAsRegister(result)); |
| 1975 | } |
| 1976 | |
| 1977 | |
| 1978 | LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) { |
| 1979 | LOperand* string = UseRegisterAtStart(instr->value()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1980 | return DefineAsRegister(new(zone()) LStringLength(string)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1981 | } |
| 1982 | |
| 1983 | |
ulan@chromium.org | 967e270 | 2012-02-28 09:49:15 +0000 | [diff] [blame] | 1984 | LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1985 | LAllocateObject* result = |
| 1986 | new(zone()) LAllocateObject(TempRegister(), TempRegister()); |
ulan@chromium.org | 967e270 | 2012-02-28 09:49:15 +0000 | [diff] [blame] | 1987 | return AssignPointerMap(DefineAsRegister(result)); |
| 1988 | } |
| 1989 | |
| 1990 | |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 1991 | LInstruction* LChunkBuilder::DoFastLiteral(HFastLiteral* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1992 | return MarkAsCall(DefineFixed(new(zone()) LFastLiteral, v0), instr); |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 1993 | } |
| 1994 | |
| 1995 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1996 | LInstruction* LChunkBuilder::DoArrayLiteral(HArrayLiteral* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 1997 | return MarkAsCall(DefineFixed(new(zone()) LArrayLiteral, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1998 | } |
| 1999 | |
| 2000 | |
jkummerow@chromium.org | f7a5884 | 2012-02-21 10:08:21 +0000 | [diff] [blame] | 2001 | LInstruction* LChunkBuilder::DoObjectLiteral(HObjectLiteral* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2002 | return MarkAsCall(DefineFixed(new(zone()) LObjectLiteral, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2003 | } |
| 2004 | |
| 2005 | |
| 2006 | LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2007 | return MarkAsCall(DefineFixed(new(zone()) LRegExpLiteral, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2008 | } |
| 2009 | |
| 2010 | |
| 2011 | LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2012 | return MarkAsCall(DefineFixed(new(zone()) LFunctionLiteral, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2013 | } |
| 2014 | |
| 2015 | |
| 2016 | LInstruction* LChunkBuilder::DoDeleteProperty(HDeleteProperty* instr) { |
| 2017 | LOperand* object = UseFixed(instr->object(), a0); |
| 2018 | LOperand* key = UseFixed(instr->key(), a1); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2019 | LDeleteProperty* result = new(zone()) LDeleteProperty(object, key); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2020 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2021 | } |
| 2022 | |
| 2023 | |
| 2024 | LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) { |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2025 | ASSERT(argument_count_ == 0); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2026 | allocator_->MarkAsOsrEntry(); |
| 2027 | current_block_->last_environment()->set_ast_id(instr->ast_id()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2028 | return AssignEnvironment(new(zone()) LOsrEntry); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2029 | } |
| 2030 | |
| 2031 | |
| 2032 | LInstruction* LChunkBuilder::DoParameter(HParameter* instr) { |
| 2033 | int spill_index = chunk()->GetParameterStackSlot(instr->index()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2034 | return DefineAsSpilled(new(zone()) LParameter, spill_index); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2035 | } |
| 2036 | |
| 2037 | |
| 2038 | LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { |
| 2039 | int spill_index = chunk()->GetNextSpillIndex(false); // Not double-width. |
| 2040 | if (spill_index > LUnallocated::kMaxFixedIndex) { |
| 2041 | Abort("Too many spill slots needed for OSR"); |
| 2042 | spill_index = 0; |
| 2043 | } |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2044 | return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2045 | } |
| 2046 | |
| 2047 | |
| 2048 | LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { |
| 2049 | argument_count_ -= instr->argument_count(); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2050 | return MarkAsCall(DefineFixed(new(zone()) LCallStub, v0), instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2051 | } |
| 2052 | |
| 2053 | |
| 2054 | LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) { |
| 2055 | // There are no real uses of the arguments object. |
| 2056 | // arguments.length and element access are supported directly on |
| 2057 | // stack arguments, and any real arguments object use causes a bailout. |
| 2058 | // So this value is never used. |
| 2059 | return NULL; |
| 2060 | } |
| 2061 | |
| 2062 | |
| 2063 | LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) { |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 2064 | LOperand* args = UseRegister(instr->arguments()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2065 | LOperand* length = UseTempRegister(instr->length()); |
| 2066 | LOperand* index = UseRegister(instr->index()); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 2067 | return DefineAsRegister(new(zone()) LAccessArgumentsAt(args, length, index)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2068 | } |
| 2069 | |
| 2070 | |
| 2071 | LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) { |
| 2072 | LOperand* object = UseFixed(instr->value(), a0); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2073 | LToFastProperties* result = new(zone()) LToFastProperties(object); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2074 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2075 | } |
| 2076 | |
| 2077 | |
| 2078 | LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2079 | LTypeof* result = new(zone()) LTypeof(UseFixed(instr->value(), a0)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2080 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2081 | } |
| 2082 | |
| 2083 | |
| 2084 | LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2085 | return new(zone()) LTypeofIsAndBranch(UseTempRegister(instr->value())); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2086 | } |
| 2087 | |
| 2088 | |
| 2089 | LInstruction* LChunkBuilder::DoIsConstructCallAndBranch( |
| 2090 | HIsConstructCallAndBranch* instr) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2091 | return new(zone()) LIsConstructCallAndBranch(TempRegister()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2092 | } |
| 2093 | |
| 2094 | |
| 2095 | LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) { |
| 2096 | HEnvironment* env = current_block_->last_environment(); |
| 2097 | ASSERT(env != NULL); |
| 2098 | |
| 2099 | env->set_ast_id(instr->ast_id()); |
| 2100 | |
| 2101 | env->Drop(instr->pop_count()); |
| 2102 | for (int i = 0; i < instr->values()->length(); ++i) { |
| 2103 | HValue* value = instr->values()->at(i); |
| 2104 | if (instr->HasAssignedIndexAt(i)) { |
| 2105 | env->Bind(instr->GetAssignedIndexAt(i), value); |
| 2106 | } else { |
| 2107 | env->Push(value); |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | // If there is an instruction pending deoptimization environment create a |
| 2112 | // lazy bailout instruction to capture the environment. |
| 2113 | if (pending_deoptimization_ast_id_ == instr->ast_id()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2114 | LInstruction* result = new(zone()) LLazyBailout; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2115 | result = AssignEnvironment(result); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2116 | // Store the lazy deopt environment with the instruction if needed. Right |
| 2117 | // now it is only used for LInstanceOfKnownGlobal. |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2118 | instruction_pending_deoptimization_environment_-> |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2119 | SetDeferredLazyDeoptimizationEnvironment(result->environment()); |
| 2120 | instruction_pending_deoptimization_environment_ = NULL; |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2121 | pending_deoptimization_ast_id_ = BailoutId::None(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2122 | return result; |
| 2123 | } |
| 2124 | |
| 2125 | return NULL; |
| 2126 | } |
| 2127 | |
| 2128 | |
| 2129 | LInstruction* LChunkBuilder::DoStackCheck(HStackCheck* instr) { |
| 2130 | if (instr->is_function_entry()) { |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2131 | return MarkAsCall(new(zone()) LStackCheck, instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2132 | } else { |
| 2133 | ASSERT(instr->is_backwards_branch()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2134 | return AssignEnvironment(AssignPointerMap(new(zone()) LStackCheck)); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2135 | } |
| 2136 | } |
| 2137 | |
| 2138 | |
| 2139 | LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) { |
| 2140 | HEnvironment* outer = current_block_->last_environment(); |
| 2141 | HConstant* undefined = graph()->GetConstantUndefined(); |
| 2142 | HEnvironment* inner = outer->CopyForInlining(instr->closure(), |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 2143 | instr->arguments_count(), |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2144 | instr->function(), |
| 2145 | undefined, |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2146 | instr->call_kind(), |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2147 | instr->inlining_kind()); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2148 | if (instr->arguments_var() != NULL) { |
| 2149 | inner->Bind(instr->arguments_var(), graph()->GetArgumentsObject()); |
danno@chromium.org | 8c0a43f | 2012-04-03 08:37:53 +0000 | [diff] [blame] | 2150 | } |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 2151 | inner->set_entry(instr); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2152 | current_block_->UpdateEnvironment(inner); |
| 2153 | chunk_->AddInlinedClosure(instr->closure()); |
| 2154 | return NULL; |
| 2155 | } |
| 2156 | |
| 2157 | |
| 2158 | LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2159 | LInstruction* pop = NULL; |
| 2160 | |
| 2161 | HEnvironment* env = current_block_->last_environment(); |
| 2162 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2163 | if (env->entry()->arguments_pushed()) { |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2164 | int argument_count = env->arguments_environment()->parameter_count(); |
| 2165 | pop = new(zone()) LDrop(argument_count); |
| 2166 | argument_count_ -= argument_count; |
| 2167 | } |
| 2168 | |
danno@chromium.org | fa458e4 | 2012-02-01 10:48:36 +0000 | [diff] [blame] | 2169 | HEnvironment* outer = current_block_->last_environment()-> |
| 2170 | DiscardInlined(false); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2171 | current_block_->UpdateEnvironment(outer); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2172 | |
| 2173 | return pop; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2174 | } |
| 2175 | |
| 2176 | |
| 2177 | LInstruction* LChunkBuilder::DoIn(HIn* instr) { |
| 2178 | LOperand* key = UseRegisterAtStart(instr->key()); |
| 2179 | LOperand* object = UseRegisterAtStart(instr->object()); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2180 | LIn* result = new(zone()) LIn(key, object); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2181 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2182 | } |
| 2183 | |
| 2184 | |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2185 | LInstruction* LChunkBuilder::DoForInPrepareMap(HForInPrepareMap* instr) { |
| 2186 | LOperand* object = UseFixed(instr->enumerable(), a0); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 2187 | LForInPrepareMap* result = new(zone()) LForInPrepareMap(object); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2188 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 2189 | } |
| 2190 | |
| 2191 | |
| 2192 | LInstruction* LChunkBuilder::DoForInCacheArray(HForInCacheArray* instr) { |
| 2193 | LOperand* map = UseRegister(instr->map()); |
rossberg@chromium.org | 89e18f5 | 2012-10-22 13:09:53 +0000 | [diff] [blame] | 2194 | return AssignEnvironment(DefineAsRegister(new(zone()) LForInCacheArray(map))); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2195 | } |
| 2196 | |
| 2197 | |
| 2198 | LInstruction* LChunkBuilder::DoCheckMapValue(HCheckMapValue* instr) { |
| 2199 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2200 | LOperand* map = UseRegisterAtStart(instr->map()); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 2201 | return AssignEnvironment(new(zone()) LCheckMapValue(value, map)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2202 | } |
| 2203 | |
| 2204 | |
| 2205 | LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
| 2206 | LOperand* object = UseRegister(instr->object()); |
| 2207 | LOperand* index = UseRegister(instr->index()); |
fschneider@chromium.org | 35814e5 | 2012-03-01 15:43:35 +0000 | [diff] [blame] | 2208 | return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index)); |
ulan@chromium.org | 812308e | 2012-02-29 15:58:45 +0000 | [diff] [blame] | 2209 | } |
| 2210 | |
| 2211 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2212 | } } // namespace v8::internal |