Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 4 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 5 | #include <sstream> |
| 6 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 7 | #include "src/v8.h" |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 8 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | #if V8_TARGET_ARCH_MIPS |
| 10 | |
| 11 | #include "src/hydrogen-osr.h" |
| 12 | #include "src/lithium-inl.h" |
| 13 | #include "src/mips/lithium-codegen-mips.h" |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 14 | |
| 15 | namespace v8 { |
| 16 | namespace internal { |
| 17 | |
| 18 | #define DEFINE_COMPILE(type) \ |
| 19 | void L##type::CompileToNative(LCodeGen* generator) { \ |
| 20 | generator->Do##type(this); \ |
| 21 | } |
| 22 | LITHIUM_CONCRETE_INSTRUCTION_LIST(DEFINE_COMPILE) |
| 23 | #undef DEFINE_COMPILE |
| 24 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 25 | #ifdef DEBUG |
| 26 | void LInstruction::VerifyCall() { |
| 27 | // Call instructions can use only fixed registers as temporaries and |
| 28 | // outputs because all registers are blocked by the calling convention. |
| 29 | // Inputs operands must use a fixed register or use-at-start policy or |
| 30 | // a non-register policy. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 31 | DCHECK(Output() == NULL || |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 32 | LUnallocated::cast(Output())->HasFixedPolicy() || |
| 33 | !LUnallocated::cast(Output())->HasRegisterPolicy()); |
| 34 | for (UseIterator it(this); !it.Done(); it.Advance()) { |
| 35 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 36 | DCHECK(operand->HasFixedPolicy() || |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 37 | operand->IsUsedAtStart()); |
| 38 | } |
| 39 | for (TempIterator it(this); !it.Done(); it.Advance()) { |
| 40 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 41 | DCHECK(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 42 | } |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 47 | void LInstruction::PrintTo(StringStream* stream) { |
| 48 | stream->Add("%s ", this->Mnemonic()); |
| 49 | |
| 50 | PrintOutputOperandTo(stream); |
| 51 | |
| 52 | PrintDataTo(stream); |
| 53 | |
| 54 | if (HasEnvironment()) { |
| 55 | stream->Add(" "); |
| 56 | environment()->PrintTo(stream); |
| 57 | } |
| 58 | |
| 59 | if (HasPointerMap()) { |
| 60 | stream->Add(" "); |
| 61 | pointer_map()->PrintTo(stream); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 66 | void LInstruction::PrintDataTo(StringStream* stream) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 67 | stream->Add("= "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 68 | for (int i = 0; i < InputCount(); i++) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 69 | if (i > 0) stream->Add(" "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 70 | if (InputAt(i) == NULL) { |
| 71 | stream->Add("NULL"); |
| 72 | } else { |
| 73 | InputAt(i)->PrintTo(stream); |
| 74 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 75 | } |
| 76 | } |
| 77 | |
| 78 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 79 | void LInstruction::PrintOutputOperandTo(StringStream* stream) { |
| 80 | if (HasResult()) result()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 81 | } |
| 82 | |
| 83 | |
| 84 | void LLabel::PrintDataTo(StringStream* stream) { |
| 85 | LGap::PrintDataTo(stream); |
| 86 | LLabel* rep = replacement(); |
| 87 | if (rep != NULL) { |
| 88 | stream->Add(" Dead block replaced with B%d", rep->block_id()); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | |
| 93 | bool LGap::IsRedundant() const { |
| 94 | for (int i = 0; i < 4; i++) { |
| 95 | if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) { |
| 96 | return false; |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | return true; |
| 101 | } |
| 102 | |
| 103 | |
| 104 | void LGap::PrintDataTo(StringStream* stream) { |
| 105 | for (int i = 0; i < 4; i++) { |
| 106 | stream->Add("("); |
| 107 | if (parallel_moves_[i] != NULL) { |
| 108 | parallel_moves_[i]->PrintDataTo(stream); |
| 109 | } |
| 110 | stream->Add(") "); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | |
| 115 | const char* LArithmeticD::Mnemonic() const { |
| 116 | switch (op()) { |
| 117 | case Token::ADD: return "add-d"; |
| 118 | case Token::SUB: return "sub-d"; |
| 119 | case Token::MUL: return "mul-d"; |
| 120 | case Token::DIV: return "div-d"; |
| 121 | case Token::MOD: return "mod-d"; |
| 122 | default: |
| 123 | UNREACHABLE(); |
| 124 | return NULL; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | |
| 129 | const char* LArithmeticT::Mnemonic() const { |
| 130 | switch (op()) { |
| 131 | case Token::ADD: return "add-t"; |
| 132 | case Token::SUB: return "sub-t"; |
| 133 | case Token::MUL: return "mul-t"; |
| 134 | case Token::MOD: return "mod-t"; |
| 135 | case Token::DIV: return "div-t"; |
| 136 | case Token::BIT_AND: return "bit-and-t"; |
| 137 | case Token::BIT_OR: return "bit-or-t"; |
| 138 | case Token::BIT_XOR: return "bit-xor-t"; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 139 | case Token::ROR: return "ror-t"; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 140 | case Token::SHL: return "sll-t"; |
| 141 | case Token::SAR: return "sra-t"; |
| 142 | case Token::SHR: return "srl-t"; |
| 143 | default: |
| 144 | UNREACHABLE(); |
| 145 | return NULL; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 150 | bool LGoto::HasInterestingComment(LCodeGen* gen) const { |
| 151 | return !gen->IsNextEmittedBlock(block_id()); |
| 152 | } |
| 153 | |
| 154 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 155 | void LGoto::PrintDataTo(StringStream* stream) { |
| 156 | stream->Add("B%d", block_id()); |
| 157 | } |
| 158 | |
| 159 | |
| 160 | void LBranch::PrintDataTo(StringStream* stream) { |
| 161 | stream->Add("B%d | B%d on ", true_block_id(), false_block_id()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 162 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 166 | LInstruction* LChunkBuilder::DoDebugBreak(HDebugBreak* instr) { |
| 167 | return new(zone()) LDebugBreak(); |
| 168 | } |
| 169 | |
| 170 | |
| 171 | void LCompareNumericAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 172 | stream->Add("if "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 173 | left()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 174 | stream->Add(" %s ", Token::String(op())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 175 | right()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 176 | stream->Add(" then B%d else B%d", true_block_id(), false_block_id()); |
| 177 | } |
| 178 | |
| 179 | |
| 180 | void LIsObjectAndBranch::PrintDataTo(StringStream* stream) { |
| 181 | stream->Add("if is_object("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 182 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 183 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 184 | } |
| 185 | |
| 186 | |
| 187 | void LIsStringAndBranch::PrintDataTo(StringStream* stream) { |
| 188 | stream->Add("if is_string("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 189 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 190 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 191 | } |
| 192 | |
| 193 | |
| 194 | void LIsSmiAndBranch::PrintDataTo(StringStream* stream) { |
| 195 | stream->Add("if is_smi("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 196 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 197 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | void LIsUndetectableAndBranch::PrintDataTo(StringStream* stream) { |
| 202 | stream->Add("if is_undetectable("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 203 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 204 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 205 | } |
| 206 | |
| 207 | |
| 208 | void LStringCompareAndBranch::PrintDataTo(StringStream* stream) { |
| 209 | stream->Add("if string_compare("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 210 | left()->PrintTo(stream); |
| 211 | right()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 212 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 213 | } |
| 214 | |
| 215 | |
| 216 | void LHasInstanceTypeAndBranch::PrintDataTo(StringStream* stream) { |
| 217 | stream->Add("if has_instance_type("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 218 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 219 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 220 | } |
| 221 | |
| 222 | |
| 223 | void LHasCachedArrayIndexAndBranch::PrintDataTo(StringStream* stream) { |
| 224 | stream->Add("if has_cached_array_index("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 225 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 226 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 227 | } |
| 228 | |
| 229 | |
| 230 | void LClassOfTestAndBranch::PrintDataTo(StringStream* stream) { |
| 231 | stream->Add("if class_of_test("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 232 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 233 | stream->Add(", \"%o\") then B%d else B%d", |
| 234 | *hydrogen()->class_name(), |
| 235 | true_block_id(), |
| 236 | false_block_id()); |
| 237 | } |
| 238 | |
| 239 | |
| 240 | void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) { |
| 241 | stream->Add("if typeof "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 242 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 243 | stream->Add(" == \"%s\" then B%d else B%d", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | hydrogen()->type_literal()->ToCString().get(), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 245 | true_block_id(), false_block_id()); |
| 246 | } |
| 247 | |
| 248 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 249 | void LStoreCodeEntry::PrintDataTo(StringStream* stream) { |
| 250 | stream->Add(" = "); |
| 251 | function()->PrintTo(stream); |
| 252 | stream->Add(".code_entry = "); |
| 253 | code_object()->PrintTo(stream); |
| 254 | } |
| 255 | |
| 256 | |
| 257 | void LInnerAllocatedObject::PrintDataTo(StringStream* stream) { |
| 258 | stream->Add(" = "); |
| 259 | base_object()->PrintTo(stream); |
| 260 | stream->Add(" + "); |
| 261 | offset()->PrintTo(stream); |
| 262 | } |
| 263 | |
| 264 | |
| 265 | void LCallJSFunction::PrintDataTo(StringStream* stream) { |
| 266 | stream->Add("= "); |
| 267 | function()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 268 | stream->Add("#%d / ", arity()); |
| 269 | } |
| 270 | |
| 271 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 272 | void LCallWithDescriptor::PrintDataTo(StringStream* stream) { |
| 273 | for (int i = 0; i < InputCount(); i++) { |
| 274 | InputAt(i)->PrintTo(stream); |
| 275 | stream->Add(" "); |
| 276 | } |
| 277 | stream->Add("#%d / ", arity()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | |
| 281 | void LLoadContextSlot::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 282 | context()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 283 | stream->Add("[%d]", slot_index()); |
| 284 | } |
| 285 | |
| 286 | |
| 287 | void LStoreContextSlot::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 288 | context()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 289 | stream->Add("[%d] <- ", slot_index()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 290 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 291 | } |
| 292 | |
| 293 | |
| 294 | void LInvokeFunction::PrintDataTo(StringStream* stream) { |
| 295 | stream->Add("= "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 296 | function()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 297 | stream->Add(" #%d / ", arity()); |
| 298 | } |
| 299 | |
| 300 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 301 | void LCallNew::PrintDataTo(StringStream* stream) { |
| 302 | stream->Add("= "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 303 | constructor()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 304 | stream->Add(" #%d / ", arity()); |
| 305 | } |
| 306 | |
| 307 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 308 | void LCallNewArray::PrintDataTo(StringStream* stream) { |
| 309 | stream->Add("= "); |
| 310 | constructor()->PrintTo(stream); |
| 311 | stream->Add(" #%d / ", arity()); |
| 312 | ElementsKind kind = hydrogen()->elements_kind(); |
| 313 | stream->Add(" (%s) ", ElementsKindToString(kind)); |
| 314 | } |
| 315 | |
| 316 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 317 | void LAccessArgumentsAt::PrintDataTo(StringStream* stream) { |
| 318 | arguments()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 319 | stream->Add(" length "); |
| 320 | length()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 321 | stream->Add(" index "); |
| 322 | index()->PrintTo(stream); |
| 323 | } |
| 324 | |
| 325 | |
| 326 | void LStoreNamedField::PrintDataTo(StringStream* stream) { |
| 327 | object()->PrintTo(stream); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 328 | std::ostringstream os; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 329 | os << hydrogen()->access() << " <- "; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 330 | stream->Add(os.str().c_str()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 331 | value()->PrintTo(stream); |
| 332 | } |
| 333 | |
| 334 | |
| 335 | void LStoreNamedGeneric::PrintDataTo(StringStream* stream) { |
| 336 | object()->PrintTo(stream); |
| 337 | stream->Add("."); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 338 | stream->Add(String::cast(*name())->ToCString().get()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 339 | stream->Add(" <- "); |
| 340 | value()->PrintTo(stream); |
| 341 | } |
| 342 | |
| 343 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 344 | void LLoadKeyed::PrintDataTo(StringStream* stream) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 345 | elements()->PrintTo(stream); |
| 346 | stream->Add("["); |
| 347 | key()->PrintTo(stream); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 348 | if (hydrogen()->IsDehoisted()) { |
| 349 | stream->Add(" + %d]", base_offset()); |
| 350 | } else { |
| 351 | stream->Add("]"); |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | |
| 356 | void LStoreKeyed::PrintDataTo(StringStream* stream) { |
| 357 | elements()->PrintTo(stream); |
| 358 | stream->Add("["); |
| 359 | key()->PrintTo(stream); |
| 360 | if (hydrogen()->IsDehoisted()) { |
| 361 | stream->Add(" + %d] <-", base_offset()); |
| 362 | } else { |
| 363 | stream->Add("] <- "); |
| 364 | } |
| 365 | |
| 366 | if (value() == NULL) { |
| 367 | DCHECK(hydrogen()->IsConstantHoleStore() && |
| 368 | hydrogen()->value()->representation().IsDouble()); |
| 369 | stream->Add("<the hole(nan)>"); |
| 370 | } else { |
| 371 | value()->PrintTo(stream); |
| 372 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 373 | } |
| 374 | |
| 375 | |
| 376 | void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) { |
| 377 | object()->PrintTo(stream); |
| 378 | stream->Add("["); |
| 379 | key()->PrintTo(stream); |
| 380 | stream->Add("] <- "); |
| 381 | value()->PrintTo(stream); |
| 382 | } |
| 383 | |
| 384 | |
| 385 | void LTransitionElementsKind::PrintDataTo(StringStream* stream) { |
| 386 | object()->PrintTo(stream); |
| 387 | stream->Add(" %p -> %p", *original_map(), *transitioned_map()); |
| 388 | } |
| 389 | |
| 390 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 391 | int LPlatformChunk::GetNextSpillIndex(RegisterKind kind) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 392 | // Skip a slot if for a double-width slot. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 393 | if (kind == DOUBLE_REGISTERS) spill_slot_count_++; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 394 | return spill_slot_count_++; |
| 395 | } |
| 396 | |
| 397 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 398 | LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) { |
| 399 | int index = GetNextSpillIndex(kind); |
| 400 | if (kind == DOUBLE_REGISTERS) { |
| 401 | return LDoubleStackSlot::Create(index, zone()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 402 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 403 | DCHECK(kind == GENERAL_REGISTERS); |
| 404 | return LStackSlot::Create(index, zone()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | |
| 408 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 409 | LPlatformChunk* LChunkBuilder::Build() { |
| 410 | DCHECK(is_unused()); |
| 411 | chunk_ = new(zone()) LPlatformChunk(info(), graph()); |
| 412 | LPhase phase("L_Building chunk", chunk_); |
| 413 | status_ = BUILDING; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 414 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 415 | // If compiling for OSR, reserve space for the unoptimized frame, |
| 416 | // which will be subsumed into this frame. |
| 417 | if (graph()->has_osr()) { |
| 418 | for (int i = graph()->osr()->UnoptimizedFrameSlots(); i > 0; i--) { |
| 419 | chunk_->GetNextSpillIndex(GENERAL_REGISTERS); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 420 | } |
| 421 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 422 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 423 | const ZoneList<HBasicBlock*>* blocks = graph()->blocks(); |
| 424 | for (int i = 0; i < blocks->length(); i++) { |
| 425 | HBasicBlock* next = NULL; |
| 426 | if (i < blocks->length() - 1) next = blocks->at(i + 1); |
| 427 | DoBasicBlock(blocks->at(i), next); |
| 428 | if (is_aborted()) return NULL; |
| 429 | } |
| 430 | status_ = DONE; |
| 431 | return chunk_; |
| 432 | } |
| 433 | |
| 434 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 435 | LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
| 436 | return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
| 437 | Register::ToAllocationIndex(reg)); |
| 438 | } |
| 439 | |
| 440 | |
| 441 | LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { |
| 442 | return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
| 443 | DoubleRegister::ToAllocationIndex(reg)); |
| 444 | } |
| 445 | |
| 446 | |
| 447 | LOperand* LChunkBuilder::UseFixed(HValue* value, Register fixed_register) { |
| 448 | return Use(value, ToUnallocated(fixed_register)); |
| 449 | } |
| 450 | |
| 451 | |
| 452 | LOperand* LChunkBuilder::UseFixedDouble(HValue* value, DoubleRegister reg) { |
| 453 | return Use(value, ToUnallocated(reg)); |
| 454 | } |
| 455 | |
| 456 | |
| 457 | LOperand* LChunkBuilder::UseRegister(HValue* value) { |
| 458 | return Use(value, new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
| 459 | } |
| 460 | |
| 461 | |
| 462 | LOperand* LChunkBuilder::UseRegisterAtStart(HValue* value) { |
| 463 | return Use(value, |
| 464 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER, |
| 465 | LUnallocated::USED_AT_START)); |
| 466 | } |
| 467 | |
| 468 | |
| 469 | LOperand* LChunkBuilder::UseTempRegister(HValue* value) { |
| 470 | return Use(value, new(zone()) LUnallocated(LUnallocated::WRITABLE_REGISTER)); |
| 471 | } |
| 472 | |
| 473 | |
| 474 | LOperand* LChunkBuilder::Use(HValue* value) { |
| 475 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE)); |
| 476 | } |
| 477 | |
| 478 | |
| 479 | LOperand* LChunkBuilder::UseAtStart(HValue* value) { |
| 480 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE, |
| 481 | LUnallocated::USED_AT_START)); |
| 482 | } |
| 483 | |
| 484 | |
| 485 | LOperand* LChunkBuilder::UseOrConstant(HValue* value) { |
| 486 | return value->IsConstant() |
| 487 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 488 | : Use(value); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | LOperand* LChunkBuilder::UseOrConstantAtStart(HValue* value) { |
| 493 | return value->IsConstant() |
| 494 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 495 | : UseAtStart(value); |
| 496 | } |
| 497 | |
| 498 | |
| 499 | LOperand* LChunkBuilder::UseRegisterOrConstant(HValue* value) { |
| 500 | return value->IsConstant() |
| 501 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 502 | : UseRegister(value); |
| 503 | } |
| 504 | |
| 505 | |
| 506 | LOperand* LChunkBuilder::UseRegisterOrConstantAtStart(HValue* value) { |
| 507 | return value->IsConstant() |
| 508 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 509 | : UseRegisterAtStart(value); |
| 510 | } |
| 511 | |
| 512 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 513 | LOperand* LChunkBuilder::UseConstant(HValue* value) { |
| 514 | return chunk_->DefineConstantOperand(HConstant::cast(value)); |
| 515 | } |
| 516 | |
| 517 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 518 | LOperand* LChunkBuilder::UseAny(HValue* value) { |
| 519 | return value->IsConstant() |
| 520 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 521 | : Use(value, new(zone()) LUnallocated(LUnallocated::ANY)); |
| 522 | } |
| 523 | |
| 524 | |
| 525 | LOperand* LChunkBuilder::Use(HValue* value, LUnallocated* operand) { |
| 526 | if (value->EmitAtUses()) { |
| 527 | HInstruction* instr = HInstruction::cast(value); |
| 528 | VisitInstruction(instr); |
| 529 | } |
| 530 | operand->set_virtual_register(value->id()); |
| 531 | return operand; |
| 532 | } |
| 533 | |
| 534 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 535 | LInstruction* LChunkBuilder::Define(LTemplateResultInstruction<1>* instr, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 536 | LUnallocated* result) { |
| 537 | result->set_virtual_register(current_instruction_->id()); |
| 538 | instr->set_result(result); |
| 539 | return instr; |
| 540 | } |
| 541 | |
| 542 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 543 | LInstruction* LChunkBuilder::DefineAsRegister( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 544 | LTemplateResultInstruction<1>* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 545 | return Define(instr, |
| 546 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
| 547 | } |
| 548 | |
| 549 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 550 | LInstruction* LChunkBuilder::DefineAsSpilled( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 551 | LTemplateResultInstruction<1>* instr, int index) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 552 | return Define(instr, |
| 553 | new(zone()) LUnallocated(LUnallocated::FIXED_SLOT, index)); |
| 554 | } |
| 555 | |
| 556 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 557 | LInstruction* LChunkBuilder::DefineSameAsFirst( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 558 | LTemplateResultInstruction<1>* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 559 | return Define(instr, |
| 560 | new(zone()) LUnallocated(LUnallocated::SAME_AS_FIRST_INPUT)); |
| 561 | } |
| 562 | |
| 563 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 564 | LInstruction* LChunkBuilder::DefineFixed( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 565 | LTemplateResultInstruction<1>* instr, Register reg) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 566 | return Define(instr, ToUnallocated(reg)); |
| 567 | } |
| 568 | |
| 569 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 570 | LInstruction* LChunkBuilder::DefineFixedDouble( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 571 | LTemplateResultInstruction<1>* instr, DoubleRegister reg) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 572 | return Define(instr, ToUnallocated(reg)); |
| 573 | } |
| 574 | |
| 575 | |
| 576 | LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) { |
| 577 | HEnvironment* hydrogen_env = current_block_->last_environment(); |
| 578 | int argument_index_accumulator = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 579 | ZoneList<HValue*> objects_to_materialize(0, zone()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 580 | instr->set_environment(CreateEnvironment(hydrogen_env, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 581 | &argument_index_accumulator, |
| 582 | &objects_to_materialize)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 583 | return instr; |
| 584 | } |
| 585 | |
| 586 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 587 | LInstruction* LChunkBuilder::MarkAsCall(LInstruction* instr, |
| 588 | HInstruction* hinstr, |
| 589 | CanDeoptimize can_deoptimize) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 590 | info()->MarkAsNonDeferredCalling(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 591 | #ifdef DEBUG |
| 592 | instr->VerifyCall(); |
| 593 | #endif |
| 594 | instr->MarkAsCall(); |
| 595 | instr = AssignPointerMap(instr); |
| 596 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 597 | // If instruction does not have side-effects lazy deoptimization |
| 598 | // after the call will try to deoptimize to the point before the call. |
| 599 | // Thus we still need to attach environment to this call even if |
| 600 | // call sequence can not deoptimize eagerly. |
| 601 | bool needs_environment = |
| 602 | (can_deoptimize == CAN_DEOPTIMIZE_EAGERLY) || |
| 603 | !hinstr->HasObservableSideEffects(); |
| 604 | if (needs_environment && !instr->HasEnvironment()) { |
| 605 | instr = AssignEnvironment(instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 606 | // We can't really figure out if the environment is needed or not. |
| 607 | instr->environment()->set_has_been_used(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | return instr; |
| 611 | } |
| 612 | |
| 613 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 614 | LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 615 | DCHECK(!instr->HasPointerMap()); |
| 616 | instr->set_pointer_map(new(zone()) LPointerMap(zone())); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 617 | return instr; |
| 618 | } |
| 619 | |
| 620 | |
| 621 | LUnallocated* LChunkBuilder::TempRegister() { |
| 622 | LUnallocated* operand = |
| 623 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 624 | int vreg = allocator_->GetVirtualRegister(); |
| 625 | if (!allocator_->AllocationOk()) { |
| 626 | Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister); |
| 627 | vreg = 0; |
| 628 | } |
| 629 | operand->set_virtual_register(vreg); |
| 630 | return operand; |
| 631 | } |
| 632 | |
| 633 | |
| 634 | LUnallocated* LChunkBuilder::TempDoubleRegister() { |
| 635 | LUnallocated* operand = |
| 636 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_DOUBLE_REGISTER); |
| 637 | int vreg = allocator_->GetVirtualRegister(); |
| 638 | if (!allocator_->AllocationOk()) { |
| 639 | Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister); |
| 640 | vreg = 0; |
| 641 | } |
| 642 | operand->set_virtual_register(vreg); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 643 | return operand; |
| 644 | } |
| 645 | |
| 646 | |
| 647 | LOperand* LChunkBuilder::FixedTemp(Register reg) { |
| 648 | LUnallocated* operand = ToUnallocated(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 649 | DCHECK(operand->HasFixedPolicy()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 650 | return operand; |
| 651 | } |
| 652 | |
| 653 | |
| 654 | LOperand* LChunkBuilder::FixedTemp(DoubleRegister reg) { |
| 655 | LUnallocated* operand = ToUnallocated(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 656 | DCHECK(operand->HasFixedPolicy()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 657 | return operand; |
| 658 | } |
| 659 | |
| 660 | |
| 661 | LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) { |
| 662 | return new(zone()) LLabel(instr->block()); |
| 663 | } |
| 664 | |
| 665 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 666 | LInstruction* LChunkBuilder::DoDummyUse(HDummyUse* instr) { |
| 667 | return DefineAsRegister(new(zone()) LDummyUse(UseAny(instr->value()))); |
| 668 | } |
| 669 | |
| 670 | |
| 671 | LInstruction* LChunkBuilder::DoEnvironmentMarker(HEnvironmentMarker* instr) { |
| 672 | UNREACHABLE(); |
| 673 | return NULL; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 674 | } |
| 675 | |
| 676 | |
| 677 | LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) { |
| 678 | return AssignEnvironment(new(zone()) LDeoptimize); |
| 679 | } |
| 680 | |
| 681 | |
| 682 | LInstruction* LChunkBuilder::DoShift(Token::Value op, |
| 683 | HBitwiseBinaryOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 684 | if (instr->representation().IsSmiOrInteger32()) { |
| 685 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 686 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 687 | LOperand* left = UseRegisterAtStart(instr->left()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 688 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 689 | HValue* right_value = instr->right(); |
| 690 | LOperand* right = NULL; |
| 691 | int constant_value = 0; |
| 692 | bool does_deopt = false; |
| 693 | if (right_value->IsConstant()) { |
| 694 | HConstant* constant = HConstant::cast(right_value); |
| 695 | right = chunk_->DefineConstantOperand(constant); |
| 696 | constant_value = constant->Integer32Value() & 0x1f; |
| 697 | // Left shifts can deoptimize if we shift by > 0 and the result cannot be |
| 698 | // truncated to smi. |
| 699 | if (instr->representation().IsSmi() && constant_value > 0) { |
| 700 | does_deopt = !instr->CheckUsesForFlag(HValue::kTruncatingToSmi); |
| 701 | } |
| 702 | } else { |
| 703 | right = UseRegisterAtStart(right_value); |
| 704 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 705 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 706 | // Shift operations can only deoptimize if we do a logical shift |
| 707 | // by 0 and the result cannot be truncated to int32. |
| 708 | if (op == Token::SHR && constant_value == 0) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 709 | does_deopt = !instr->CheckFlag(HInstruction::kUint32); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 710 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 711 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 712 | LInstruction* result = |
| 713 | DefineAsRegister(new(zone()) LShiftI(op, left, right, does_deopt)); |
| 714 | return does_deopt ? AssignEnvironment(result) : result; |
| 715 | } else { |
| 716 | return DoArithmeticT(op, instr); |
| 717 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 718 | } |
| 719 | |
| 720 | |
| 721 | LInstruction* LChunkBuilder::DoArithmeticD(Token::Value op, |
| 722 | HArithmeticBinaryOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 723 | DCHECK(instr->representation().IsDouble()); |
| 724 | DCHECK(instr->left()->representation().IsDouble()); |
| 725 | DCHECK(instr->right()->representation().IsDouble()); |
| 726 | if (op == Token::MOD) { |
| 727 | LOperand* left = UseFixedDouble(instr->left(), f2); |
| 728 | LOperand* right = UseFixedDouble(instr->right(), f4); |
| 729 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
| 730 | // We call a C function for double modulo. It can't trigger a GC. We need |
| 731 | // to use fixed result register for the call. |
| 732 | // TODO(fschneider): Allow any register as input registers. |
| 733 | return MarkAsCall(DefineFixedDouble(result, f2), instr); |
| 734 | } else { |
| 735 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 736 | LOperand* right = UseRegisterAtStart(instr->right()); |
| 737 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
| 738 | return DefineAsRegister(result); |
| 739 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | |
| 743 | LInstruction* LChunkBuilder::DoArithmeticT(Token::Value op, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 744 | HBinaryOperation* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 745 | HValue* left = instr->left(); |
| 746 | HValue* right = instr->right(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 747 | DCHECK(left->representation().IsTagged()); |
| 748 | DCHECK(right->representation().IsTagged()); |
| 749 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 750 | LOperand* left_operand = UseFixed(left, a1); |
| 751 | LOperand* right_operand = UseFixed(right, a0); |
| 752 | LArithmeticT* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 753 | new(zone()) LArithmeticT(op, context, left_operand, right_operand); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 754 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 755 | } |
| 756 | |
| 757 | |
| 758 | void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 759 | DCHECK(is_building()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 760 | current_block_ = block; |
| 761 | next_block_ = next_block; |
| 762 | if (block->IsStartBlock()) { |
| 763 | block->UpdateEnvironment(graph_->start_environment()); |
| 764 | argument_count_ = 0; |
| 765 | } else if (block->predecessors()->length() == 1) { |
| 766 | // We have a single predecessor => copy environment and outgoing |
| 767 | // argument count from the predecessor. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 768 | DCHECK(block->phis()->length() == 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 769 | HBasicBlock* pred = block->predecessors()->at(0); |
| 770 | HEnvironment* last_environment = pred->last_environment(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 771 | DCHECK(last_environment != NULL); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 772 | // Only copy the environment, if it is later used again. |
| 773 | if (pred->end()->SecondSuccessor() == NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 774 | DCHECK(pred->end()->FirstSuccessor() == block); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 775 | } else { |
| 776 | if (pred->end()->FirstSuccessor()->block_id() > block->block_id() || |
| 777 | pred->end()->SecondSuccessor()->block_id() > block->block_id()) { |
| 778 | last_environment = last_environment->Copy(); |
| 779 | } |
| 780 | } |
| 781 | block->UpdateEnvironment(last_environment); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 782 | DCHECK(pred->argument_count() >= 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 783 | argument_count_ = pred->argument_count(); |
| 784 | } else { |
| 785 | // We are at a state join => process phis. |
| 786 | HBasicBlock* pred = block->predecessors()->at(0); |
| 787 | // No need to copy the environment, it cannot be used later. |
| 788 | HEnvironment* last_environment = pred->last_environment(); |
| 789 | for (int i = 0; i < block->phis()->length(); ++i) { |
| 790 | HPhi* phi = block->phis()->at(i); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 791 | if (phi->HasMergedIndex()) { |
| 792 | last_environment->SetValueAt(phi->merged_index(), phi); |
| 793 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 794 | } |
| 795 | for (int i = 0; i < block->deleted_phis()->length(); ++i) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 796 | if (block->deleted_phis()->at(i) < last_environment->length()) { |
| 797 | last_environment->SetValueAt(block->deleted_phis()->at(i), |
| 798 | graph_->GetConstantUndefined()); |
| 799 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 800 | } |
| 801 | block->UpdateEnvironment(last_environment); |
| 802 | // Pick up the outgoing argument count of one of the predecessors. |
| 803 | argument_count_ = pred->argument_count(); |
| 804 | } |
| 805 | HInstruction* current = block->first(); |
| 806 | int start = chunk_->instructions()->length(); |
| 807 | while (current != NULL && !is_aborted()) { |
| 808 | // Code for constants in registers is generated lazily. |
| 809 | if (!current->EmitAtUses()) { |
| 810 | VisitInstruction(current); |
| 811 | } |
| 812 | current = current->next(); |
| 813 | } |
| 814 | int end = chunk_->instructions()->length() - 1; |
| 815 | if (end >= start) { |
| 816 | block->set_first_instruction_index(start); |
| 817 | block->set_last_instruction_index(end); |
| 818 | } |
| 819 | block->set_argument_count(argument_count_); |
| 820 | next_block_ = NULL; |
| 821 | current_block_ = NULL; |
| 822 | } |
| 823 | |
| 824 | |
| 825 | void LChunkBuilder::VisitInstruction(HInstruction* current) { |
| 826 | HInstruction* old_current = current_instruction_; |
| 827 | current_instruction_ = current; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 828 | |
| 829 | LInstruction* instr = NULL; |
| 830 | if (current->CanReplaceWithDummyUses()) { |
| 831 | if (current->OperandCount() == 0) { |
| 832 | instr = DefineAsRegister(new(zone()) LDummy()); |
| 833 | } else { |
| 834 | DCHECK(!current->OperandAt(0)->IsControlInstruction()); |
| 835 | instr = DefineAsRegister(new(zone()) |
| 836 | LDummyUse(UseAny(current->OperandAt(0)))); |
| 837 | } |
| 838 | for (int i = 1; i < current->OperandCount(); ++i) { |
| 839 | if (current->OperandAt(i)->IsControlInstruction()) continue; |
| 840 | LInstruction* dummy = |
| 841 | new(zone()) LDummyUse(UseAny(current->OperandAt(i))); |
| 842 | dummy->set_hydrogen_value(current); |
| 843 | chunk_->AddInstruction(dummy, current_block_); |
| 844 | } |
| 845 | } else { |
| 846 | HBasicBlock* successor; |
| 847 | if (current->IsControlInstruction() && |
| 848 | HControlInstruction::cast(current)->KnownSuccessorBlock(&successor) && |
| 849 | successor != NULL) { |
| 850 | instr = new(zone()) LGoto(successor); |
| 851 | } else { |
| 852 | instr = current->CompileToLithium(this); |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | argument_count_ += current->argument_delta(); |
| 857 | DCHECK(argument_count_ >= 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 858 | |
| 859 | if (instr != NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 860 | AddInstruction(instr, current); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 861 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 862 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 863 | current_instruction_ = old_current; |
| 864 | } |
| 865 | |
| 866 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 867 | void LChunkBuilder::AddInstruction(LInstruction* instr, |
| 868 | HInstruction* hydrogen_val) { |
| 869 | // Associate the hydrogen instruction first, since we may need it for |
| 870 | // the ClobbersRegisters() or ClobbersDoubleRegisters() calls below. |
| 871 | instr->set_hydrogen_value(hydrogen_val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 872 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 873 | #if DEBUG |
| 874 | // Make sure that the lithium instruction has either no fixed register |
| 875 | // constraints in temps or the result OR no uses that are only used at |
| 876 | // start. If this invariant doesn't hold, the register allocator can decide |
| 877 | // to insert a split of a range immediately before the instruction due to an |
| 878 | // already allocated register needing to be used for the instruction's fixed |
| 879 | // register constraint. In this case, The register allocator won't see an |
| 880 | // interference between the split child and the use-at-start (it would if |
| 881 | // the it was just a plain use), so it is free to move the split child into |
| 882 | // the same register that is used for the use-at-start. |
| 883 | // See https://code.google.com/p/chromium/issues/detail?id=201590 |
| 884 | if (!(instr->ClobbersRegisters() && |
| 885 | instr->ClobbersDoubleRegisters(isolate()))) { |
| 886 | int fixed = 0; |
| 887 | int used_at_start = 0; |
| 888 | for (UseIterator it(instr); !it.Done(); it.Advance()) { |
| 889 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 890 | if (operand->IsUsedAtStart()) ++used_at_start; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 891 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 892 | if (instr->Output() != NULL) { |
| 893 | if (LUnallocated::cast(instr->Output())->HasFixedPolicy()) ++fixed; |
| 894 | } |
| 895 | for (TempIterator it(instr); !it.Done(); it.Advance()) { |
| 896 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 897 | if (operand->HasFixedPolicy()) ++fixed; |
| 898 | } |
| 899 | DCHECK(fixed == 0 || used_at_start == 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 900 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 901 | #endif |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 902 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 903 | if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) { |
| 904 | instr = AssignPointerMap(instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 905 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 906 | if (FLAG_stress_environments && !instr->HasEnvironment()) { |
| 907 | instr = AssignEnvironment(instr); |
| 908 | } |
| 909 | chunk_->AddInstruction(instr, current_block_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 910 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 911 | if (instr->IsCall()) { |
| 912 | HValue* hydrogen_value_for_lazy_bailout = hydrogen_val; |
| 913 | LInstruction* instruction_needing_environment = NULL; |
| 914 | if (hydrogen_val->HasObservableSideEffects()) { |
| 915 | HSimulate* sim = HSimulate::cast(hydrogen_val->next()); |
| 916 | instruction_needing_environment = instr; |
| 917 | sim->ReplayEnvironment(current_block_->last_environment()); |
| 918 | hydrogen_value_for_lazy_bailout = sim; |
| 919 | } |
| 920 | LInstruction* bailout = AssignEnvironment(new(zone()) LLazyBailout()); |
| 921 | bailout->set_hydrogen_value(hydrogen_value_for_lazy_bailout); |
| 922 | chunk_->AddInstruction(bailout, current_block_); |
| 923 | if (instruction_needing_environment != NULL) { |
| 924 | // Store the lazy deopt environment with the instruction if needed. |
| 925 | // Right now it is only used for LInstanceOfKnownGlobal. |
| 926 | instruction_needing_environment-> |
| 927 | SetDeferredLazyDeoptimizationEnvironment(bailout->environment()); |
| 928 | } |
| 929 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 930 | } |
| 931 | |
| 932 | |
| 933 | LInstruction* LChunkBuilder::DoGoto(HGoto* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 934 | return new(zone()) LGoto(instr->FirstSuccessor()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 935 | } |
| 936 | |
| 937 | |
| 938 | LInstruction* LChunkBuilder::DoBranch(HBranch* instr) { |
| 939 | HValue* value = instr->value(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 940 | Representation r = value->representation(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 941 | HType type = value->type(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 942 | ToBooleanStub::Types expected = instr->expected_input_types(); |
| 943 | if (expected.IsEmpty()) expected = ToBooleanStub::Types::Generic(); |
| 944 | |
| 945 | bool easy_case = !r.IsTagged() || type.IsBoolean() || type.IsSmi() || |
| 946 | type.IsJSArray() || type.IsHeapNumber() || type.IsString(); |
| 947 | LInstruction* branch = new(zone()) LBranch(UseRegister(value)); |
| 948 | if (!easy_case && |
| 949 | ((!expected.Contains(ToBooleanStub::SMI) && expected.NeedsMap()) || |
| 950 | !expected.IsGeneric())) { |
| 951 | branch = AssignEnvironment(branch); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 952 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 953 | return branch; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 954 | } |
| 955 | |
| 956 | |
| 957 | LInstruction* LChunkBuilder::DoCompareMap(HCompareMap* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 958 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 959 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 960 | LOperand* temp = TempRegister(); |
| 961 | return new(zone()) LCmpMapAndBranch(value, temp); |
| 962 | } |
| 963 | |
| 964 | |
| 965 | LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 966 | info()->MarkAsRequiresFrame(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 967 | return DefineAsRegister( |
| 968 | new(zone()) LArgumentsLength(UseRegister(length->value()))); |
| 969 | } |
| 970 | |
| 971 | |
| 972 | LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 973 | info()->MarkAsRequiresFrame(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 974 | return DefineAsRegister(new(zone()) LArgumentsElements); |
| 975 | } |
| 976 | |
| 977 | |
| 978 | LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 979 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 980 | LInstanceOf* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 981 | new(zone()) LInstanceOf(context, UseFixed(instr->left(), a0), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 982 | UseFixed(instr->right(), a1)); |
| 983 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 984 | } |
| 985 | |
| 986 | |
| 987 | LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal( |
| 988 | HInstanceOfKnownGlobal* instr) { |
| 989 | LInstanceOfKnownGlobal* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 990 | new(zone()) LInstanceOfKnownGlobal( |
| 991 | UseFixed(instr->context(), cp), |
| 992 | UseFixed(instr->left(), a0), |
| 993 | FixedTemp(t0)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 994 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 995 | } |
| 996 | |
| 997 | |
| 998 | LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
| 999 | LOperand* receiver = UseRegisterAtStart(instr->receiver()); |
| 1000 | LOperand* function = UseRegisterAtStart(instr->function()); |
| 1001 | LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1002 | return AssignEnvironment(DefineAsRegister(result)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) { |
| 1007 | LOperand* function = UseFixed(instr->function(), a1); |
| 1008 | LOperand* receiver = UseFixed(instr->receiver(), a0); |
| 1009 | LOperand* length = UseFixed(instr->length(), a2); |
| 1010 | LOperand* elements = UseFixed(instr->elements(), a3); |
| 1011 | LApplyArguments* result = new(zone()) LApplyArguments(function, |
| 1012 | receiver, |
| 1013 | length, |
| 1014 | elements); |
| 1015 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 1016 | } |
| 1017 | |
| 1018 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1019 | LInstruction* LChunkBuilder::DoPushArguments(HPushArguments* instr) { |
| 1020 | int argc = instr->OperandCount(); |
| 1021 | for (int i = 0; i < argc; ++i) { |
| 1022 | LOperand* argument = Use(instr->argument(i)); |
| 1023 | AddInstruction(new(zone()) LPushArgument(argument), instr); |
| 1024 | } |
| 1025 | return NULL; |
| 1026 | } |
| 1027 | |
| 1028 | |
| 1029 | LInstruction* LChunkBuilder::DoStoreCodeEntry( |
| 1030 | HStoreCodeEntry* store_code_entry) { |
| 1031 | LOperand* function = UseRegister(store_code_entry->function()); |
| 1032 | LOperand* code_object = UseTempRegister(store_code_entry->code_object()); |
| 1033 | return new(zone()) LStoreCodeEntry(function, code_object); |
| 1034 | } |
| 1035 | |
| 1036 | |
| 1037 | LInstruction* LChunkBuilder::DoInnerAllocatedObject( |
| 1038 | HInnerAllocatedObject* instr) { |
| 1039 | LOperand* base_object = UseRegisterAtStart(instr->base_object()); |
| 1040 | LOperand* offset = UseRegisterOrConstantAtStart(instr->offset()); |
| 1041 | return DefineAsRegister( |
| 1042 | new(zone()) LInnerAllocatedObject(base_object, offset)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | |
| 1046 | LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) { |
| 1047 | return instr->HasNoUses() |
| 1048 | ? NULL |
| 1049 | : DefineAsRegister(new(zone()) LThisFunction); |
| 1050 | } |
| 1051 | |
| 1052 | |
| 1053 | LInstruction* LChunkBuilder::DoContext(HContext* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1054 | if (instr->HasNoUses()) return NULL; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1055 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1056 | if (info()->IsStub()) { |
| 1057 | return DefineFixed(new(zone()) LContext, cp); |
| 1058 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1059 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1060 | return DefineAsRegister(new(zone()) LContext); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1061 | } |
| 1062 | |
| 1063 | |
| 1064 | LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1065 | LOperand* context = UseFixed(instr->context(), cp); |
| 1066 | return MarkAsCall(new(zone()) LDeclareGlobals(context), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1067 | } |
| 1068 | |
| 1069 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1070 | LInstruction* LChunkBuilder::DoCallJSFunction( |
| 1071 | HCallJSFunction* instr) { |
| 1072 | LOperand* function = UseFixed(instr->function(), a1); |
| 1073 | |
| 1074 | LCallJSFunction* result = new(zone()) LCallJSFunction(function); |
| 1075 | |
| 1076 | return MarkAsCall(DefineFixed(result, v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1077 | } |
| 1078 | |
| 1079 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1080 | LInstruction* LChunkBuilder::DoCallWithDescriptor( |
| 1081 | HCallWithDescriptor* instr) { |
| 1082 | CallInterfaceDescriptor descriptor = instr->descriptor(); |
| 1083 | |
| 1084 | LOperand* target = UseRegisterOrConstantAtStart(instr->target()); |
| 1085 | ZoneList<LOperand*> ops(instr->OperandCount(), zone()); |
| 1086 | ops.Add(target, zone()); |
| 1087 | for (int i = 1; i < instr->OperandCount(); i++) { |
| 1088 | LOperand* op = |
| 1089 | UseFixed(instr->OperandAt(i), descriptor.GetParameterRegister(i - 1)); |
| 1090 | ops.Add(op, zone()); |
| 1091 | } |
| 1092 | |
| 1093 | LCallWithDescriptor* result = new(zone()) LCallWithDescriptor( |
| 1094 | descriptor, ops, zone()); |
| 1095 | return MarkAsCall(DefineFixed(result, v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1099 | LInstruction* LChunkBuilder::DoTailCallThroughMegamorphicCache( |
| 1100 | HTailCallThroughMegamorphicCache* instr) { |
| 1101 | LOperand* context = UseFixed(instr->context(), cp); |
| 1102 | LOperand* receiver_register = |
| 1103 | UseFixed(instr->receiver(), LoadDescriptor::ReceiverRegister()); |
| 1104 | LOperand* name_register = |
| 1105 | UseFixed(instr->name(), LoadDescriptor::NameRegister()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1106 | LOperand* slot = NULL; |
| 1107 | LOperand* vector = NULL; |
| 1108 | if (FLAG_vector_ics) { |
| 1109 | slot = UseFixed(instr->slot(), VectorLoadICDescriptor::SlotRegister()); |
| 1110 | vector = |
| 1111 | UseFixed(instr->vector(), VectorLoadICDescriptor::VectorRegister()); |
| 1112 | } |
| 1113 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1114 | // Not marked as call. It can't deoptimize, and it never returns. |
| 1115 | return new (zone()) LTailCallThroughMegamorphicCache( |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1116 | context, receiver_register, name_register, slot, vector); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1117 | } |
| 1118 | |
| 1119 | |
| 1120 | LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1121 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1122 | LOperand* function = UseFixed(instr->function(), a1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1123 | LInvokeFunction* result = new(zone()) LInvokeFunction(context, function); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1124 | return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
| 1125 | } |
| 1126 | |
| 1127 | |
| 1128 | LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1129 | switch (instr->op()) { |
| 1130 | case kMathFloor: |
| 1131 | return DoMathFloor(instr); |
| 1132 | case kMathRound: |
| 1133 | return DoMathRound(instr); |
| 1134 | case kMathFround: |
| 1135 | return DoMathFround(instr); |
| 1136 | case kMathAbs: |
| 1137 | return DoMathAbs(instr); |
| 1138 | case kMathLog: |
| 1139 | return DoMathLog(instr); |
| 1140 | case kMathExp: |
| 1141 | return DoMathExp(instr); |
| 1142 | case kMathSqrt: |
| 1143 | return DoMathSqrt(instr); |
| 1144 | case kMathPowHalf: |
| 1145 | return DoMathPowHalf(instr); |
| 1146 | case kMathClz32: |
| 1147 | return DoMathClz32(instr); |
| 1148 | default: |
| 1149 | UNREACHABLE(); |
| 1150 | return NULL; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1151 | } |
| 1152 | } |
| 1153 | |
| 1154 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1155 | LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) { |
| 1156 | DCHECK(instr->representation().IsDouble()); |
| 1157 | DCHECK(instr->value()->representation().IsDouble()); |
| 1158 | LOperand* input = UseFixedDouble(instr->value(), f4); |
| 1159 | return MarkAsCall(DefineFixedDouble(new(zone()) LMathLog(input), f4), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1160 | } |
| 1161 | |
| 1162 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1163 | LInstruction* LChunkBuilder::DoMathClz32(HUnaryMathOperation* instr) { |
| 1164 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1165 | LMathClz32* result = new(zone()) LMathClz32(input); |
| 1166 | return DefineAsRegister(result); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1170 | LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) { |
| 1171 | DCHECK(instr->representation().IsDouble()); |
| 1172 | DCHECK(instr->value()->representation().IsDouble()); |
| 1173 | LOperand* input = UseRegister(instr->value()); |
| 1174 | LOperand* temp1 = TempRegister(); |
| 1175 | LOperand* temp2 = TempRegister(); |
| 1176 | LOperand* double_temp = TempDoubleRegister(); |
| 1177 | LMathExp* result = new(zone()) LMathExp(input, double_temp, temp1, temp2); |
| 1178 | return DefineAsRegister(result); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1179 | } |
| 1180 | |
| 1181 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1182 | LInstruction* LChunkBuilder::DoMathPowHalf(HUnaryMathOperation* instr) { |
| 1183 | // Input cannot be the same as the result, see LCodeGen::DoMathPowHalf. |
| 1184 | LOperand* input = UseFixedDouble(instr->value(), f8); |
| 1185 | LOperand* temp = TempDoubleRegister(); |
| 1186 | LMathPowHalf* result = new(zone()) LMathPowHalf(input, temp); |
| 1187 | return DefineFixedDouble(result, f4); |
| 1188 | } |
| 1189 | |
| 1190 | |
| 1191 | LInstruction* LChunkBuilder::DoMathFround(HUnaryMathOperation* instr) { |
| 1192 | LOperand* input = UseRegister(instr->value()); |
| 1193 | LMathFround* result = new (zone()) LMathFround(input); |
| 1194 | return DefineAsRegister(result); |
| 1195 | } |
| 1196 | |
| 1197 | |
| 1198 | LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) { |
| 1199 | Representation r = instr->value()->representation(); |
| 1200 | LOperand* context = (r.IsDouble() || r.IsSmiOrInteger32()) |
| 1201 | ? NULL |
| 1202 | : UseFixed(instr->context(), cp); |
| 1203 | LOperand* input = UseRegister(instr->value()); |
| 1204 | LInstruction* result = |
| 1205 | DefineAsRegister(new(zone()) LMathAbs(context, input)); |
| 1206 | if (!r.IsDouble() && !r.IsSmiOrInteger32()) result = AssignPointerMap(result); |
| 1207 | if (!r.IsDouble()) result = AssignEnvironment(result); |
| 1208 | return result; |
| 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | LInstruction* LChunkBuilder::DoMathFloor(HUnaryMathOperation* instr) { |
| 1213 | LOperand* input = UseRegister(instr->value()); |
| 1214 | LOperand* temp = TempRegister(); |
| 1215 | LMathFloor* result = new(zone()) LMathFloor(input, temp); |
| 1216 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
| 1217 | } |
| 1218 | |
| 1219 | |
| 1220 | LInstruction* LChunkBuilder::DoMathSqrt(HUnaryMathOperation* instr) { |
| 1221 | LOperand* input = UseRegister(instr->value()); |
| 1222 | LMathSqrt* result = new(zone()) LMathSqrt(input); |
| 1223 | return DefineAsRegister(result); |
| 1224 | } |
| 1225 | |
| 1226 | |
| 1227 | LInstruction* LChunkBuilder::DoMathRound(HUnaryMathOperation* instr) { |
| 1228 | LOperand* input = UseRegister(instr->value()); |
| 1229 | LOperand* temp = TempDoubleRegister(); |
| 1230 | LMathRound* result = new(zone()) LMathRound(input, temp); |
| 1231 | return AssignEnvironment(DefineAsRegister(result)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1232 | } |
| 1233 | |
| 1234 | |
| 1235 | LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1236 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1237 | LOperand* constructor = UseFixed(instr->constructor(), a1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1238 | LCallNew* result = new(zone()) LCallNew(context, constructor); |
| 1239 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1240 | } |
| 1241 | |
| 1242 | |
| 1243 | LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) { |
| 1244 | LOperand* context = UseFixed(instr->context(), cp); |
| 1245 | LOperand* constructor = UseFixed(instr->constructor(), a1); |
| 1246 | LCallNewArray* result = new(zone()) LCallNewArray(context, constructor); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1247 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1248 | } |
| 1249 | |
| 1250 | |
| 1251 | LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1252 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1253 | LOperand* function = UseFixed(instr->function(), a1); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1254 | LCallFunction* call = new(zone()) LCallFunction(context, function); |
| 1255 | return MarkAsCall(DefineFixed(call, v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1256 | } |
| 1257 | |
| 1258 | |
| 1259 | LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1260 | LOperand* context = UseFixed(instr->context(), cp); |
| 1261 | return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), v0), instr); |
| 1262 | } |
| 1263 | |
| 1264 | |
| 1265 | LInstruction* LChunkBuilder::DoRor(HRor* instr) { |
| 1266 | return DoShift(Token::ROR, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1267 | } |
| 1268 | |
| 1269 | |
| 1270 | LInstruction* LChunkBuilder::DoShr(HShr* instr) { |
| 1271 | return DoShift(Token::SHR, instr); |
| 1272 | } |
| 1273 | |
| 1274 | |
| 1275 | LInstruction* LChunkBuilder::DoSar(HSar* instr) { |
| 1276 | return DoShift(Token::SAR, instr); |
| 1277 | } |
| 1278 | |
| 1279 | |
| 1280 | LInstruction* LChunkBuilder::DoShl(HShl* instr) { |
| 1281 | return DoShift(Token::SHL, instr); |
| 1282 | } |
| 1283 | |
| 1284 | |
| 1285 | LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1286 | if (instr->representation().IsSmiOrInteger32()) { |
| 1287 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1288 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1289 | DCHECK(instr->CheckFlag(HValue::kTruncatingToInt32)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1290 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1291 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1292 | LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1293 | return DefineAsRegister(new(zone()) LBitI(left, right)); |
| 1294 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1295 | return DoArithmeticT(instr->op(), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1300 | LInstruction* LChunkBuilder::DoDivByPowerOf2I(HDiv* instr) { |
| 1301 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1302 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1303 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1304 | LOperand* dividend = UseRegister(instr->left()); |
| 1305 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1306 | LInstruction* result = DefineAsRegister(new(zone()) LDivByPowerOf2I( |
| 1307 | dividend, divisor)); |
| 1308 | if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1309 | (instr->CheckFlag(HValue::kCanOverflow) && divisor == -1) || |
| 1310 | (!instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32) && |
| 1311 | divisor != 1 && divisor != -1)) { |
| 1312 | result = AssignEnvironment(result); |
| 1313 | } |
| 1314 | return result; |
| 1315 | } |
| 1316 | |
| 1317 | |
| 1318 | LInstruction* LChunkBuilder::DoDivByConstI(HDiv* instr) { |
| 1319 | DCHECK(instr->representation().IsInteger32()); |
| 1320 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1321 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1322 | LOperand* dividend = UseRegister(instr->left()); |
| 1323 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1324 | LInstruction* result = DefineAsRegister(new(zone()) LDivByConstI( |
| 1325 | dividend, divisor)); |
| 1326 | if (divisor == 0 || |
| 1327 | (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1328 | !instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32)) { |
| 1329 | result = AssignEnvironment(result); |
| 1330 | } |
| 1331 | return result; |
| 1332 | } |
| 1333 | |
| 1334 | |
| 1335 | LInstruction* LChunkBuilder::DoDivI(HDiv* instr) { |
| 1336 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1337 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1338 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1339 | LOperand* dividend = UseRegister(instr->left()); |
| 1340 | LOperand* divisor = UseRegister(instr->right()); |
| 1341 | LOperand* temp = TempRegister(); |
| 1342 | LInstruction* result = |
| 1343 | DefineAsRegister(new(zone()) LDivI(dividend, divisor, temp)); |
| 1344 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1345 | instr->CheckFlag(HValue::kBailoutOnMinusZero) || |
| 1346 | (instr->CheckFlag(HValue::kCanOverflow) && |
| 1347 | !instr->CheckFlag(HValue::kAllUsesTruncatingToInt32)) || |
| 1348 | (!instr->IsMathFloorOfDiv() && |
| 1349 | !instr->CheckFlag(HValue::kAllUsesTruncatingToInt32))) { |
| 1350 | result = AssignEnvironment(result); |
| 1351 | } |
| 1352 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1353 | } |
| 1354 | |
| 1355 | |
| 1356 | LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1357 | if (instr->representation().IsSmiOrInteger32()) { |
| 1358 | if (instr->RightIsPowerOf2()) { |
| 1359 | return DoDivByPowerOf2I(instr); |
| 1360 | } else if (instr->right()->IsConstant()) { |
| 1361 | return DoDivByConstI(instr); |
| 1362 | } else { |
| 1363 | return DoDivI(instr); |
| 1364 | } |
| 1365 | } else if (instr->representation().IsDouble()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1366 | return DoArithmeticD(Token::DIV, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1367 | } else { |
| 1368 | return DoArithmeticT(Token::DIV, instr); |
| 1369 | } |
| 1370 | } |
| 1371 | |
| 1372 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1373 | LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) { |
| 1374 | LOperand* dividend = UseRegisterAtStart(instr->left()); |
| 1375 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1376 | LInstruction* result = DefineAsRegister(new(zone()) LFlooringDivByPowerOf2I( |
| 1377 | dividend, divisor)); |
| 1378 | if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1379 | (instr->CheckFlag(HValue::kLeftCanBeMinInt) && divisor == -1)) { |
| 1380 | result = AssignEnvironment(result); |
| 1381 | } |
| 1382 | return result; |
| 1383 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1384 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1385 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1386 | LInstruction* LChunkBuilder::DoFlooringDivByConstI(HMathFloorOfDiv* instr) { |
| 1387 | DCHECK(instr->representation().IsInteger32()); |
| 1388 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1389 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1390 | LOperand* dividend = UseRegister(instr->left()); |
| 1391 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1392 | LOperand* temp = |
| 1393 | ((divisor > 0 && !instr->CheckFlag(HValue::kLeftCanBeNegative)) || |
| 1394 | (divisor < 0 && !instr->CheckFlag(HValue::kLeftCanBePositive))) ? |
| 1395 | NULL : TempRegister(); |
| 1396 | LInstruction* result = DefineAsRegister( |
| 1397 | new(zone()) LFlooringDivByConstI(dividend, divisor, temp)); |
| 1398 | if (divisor == 0 || |
| 1399 | (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0)) { |
| 1400 | result = AssignEnvironment(result); |
| 1401 | } |
| 1402 | return result; |
| 1403 | } |
| 1404 | |
| 1405 | |
| 1406 | LInstruction* LChunkBuilder::DoFlooringDivI(HMathFloorOfDiv* instr) { |
| 1407 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1408 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1409 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1410 | LOperand* dividend = UseRegister(instr->left()); |
| 1411 | LOperand* divisor = UseRegister(instr->right()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1412 | LInstruction* result = |
| 1413 | DefineAsRegister(new (zone()) LFlooringDivI(dividend, divisor)); |
| 1414 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1415 | instr->CheckFlag(HValue::kBailoutOnMinusZero) || |
| 1416 | (instr->CheckFlag(HValue::kCanOverflow))) { |
| 1417 | result = AssignEnvironment(result); |
| 1418 | } |
| 1419 | return result; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1420 | } |
| 1421 | |
| 1422 | |
| 1423 | LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
| 1424 | if (instr->RightIsPowerOf2()) { |
| 1425 | return DoFlooringDivByPowerOf2I(instr); |
| 1426 | } else if (instr->right()->IsConstant()) { |
| 1427 | return DoFlooringDivByConstI(instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1428 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1429 | return DoFlooringDivI(instr); |
| 1430 | } |
| 1431 | } |
| 1432 | |
| 1433 | |
| 1434 | LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { |
| 1435 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1436 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1437 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1438 | LOperand* dividend = UseRegisterAtStart(instr->left()); |
| 1439 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1440 | LInstruction* result = DefineSameAsFirst(new(zone()) LModByPowerOf2I( |
| 1441 | dividend, divisor)); |
| 1442 | if (instr->CheckFlag(HValue::kLeftCanBeNegative) && |
| 1443 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1444 | result = AssignEnvironment(result); |
| 1445 | } |
| 1446 | return result; |
| 1447 | } |
| 1448 | |
| 1449 | |
| 1450 | LInstruction* LChunkBuilder::DoModByConstI(HMod* instr) { |
| 1451 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1452 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1453 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1454 | LOperand* dividend = UseRegister(instr->left()); |
| 1455 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1456 | LInstruction* result = DefineAsRegister(new(zone()) LModByConstI( |
| 1457 | dividend, divisor)); |
| 1458 | if (divisor == 0 || instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1459 | result = AssignEnvironment(result); |
| 1460 | } |
| 1461 | return result; |
| 1462 | } |
| 1463 | |
| 1464 | |
| 1465 | LInstruction* LChunkBuilder::DoModI(HMod* instr) { |
| 1466 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1467 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1468 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1469 | LOperand* dividend = UseRegister(instr->left()); |
| 1470 | LOperand* divisor = UseRegister(instr->right()); |
| 1471 | LInstruction* result = DefineAsRegister(new(zone()) LModI( |
| 1472 | dividend, divisor)); |
| 1473 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1474 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1475 | result = AssignEnvironment(result); |
| 1476 | } |
| 1477 | return result; |
| 1478 | } |
| 1479 | |
| 1480 | |
| 1481 | LInstruction* LChunkBuilder::DoMod(HMod* instr) { |
| 1482 | if (instr->representation().IsSmiOrInteger32()) { |
| 1483 | return instr->RightIsPowerOf2() ? DoModByPowerOf2I(instr) : DoModI(instr); |
| 1484 | } else if (instr->representation().IsDouble()) { |
| 1485 | return DoArithmeticD(Token::MOD, instr); |
| 1486 | } else { |
| 1487 | return DoArithmeticT(Token::MOD, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | LInstruction* LChunkBuilder::DoMul(HMul* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1493 | if (instr->representation().IsSmiOrInteger32()) { |
| 1494 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1495 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1496 | HValue* left = instr->BetterLeftOperand(); |
| 1497 | HValue* right = instr->BetterRightOperand(); |
| 1498 | LOperand* left_op; |
| 1499 | LOperand* right_op; |
| 1500 | bool can_overflow = instr->CheckFlag(HValue::kCanOverflow); |
| 1501 | bool bailout_on_minus_zero = instr->CheckFlag(HValue::kBailoutOnMinusZero); |
| 1502 | |
| 1503 | if (right->IsConstant()) { |
| 1504 | HConstant* constant = HConstant::cast(right); |
| 1505 | int32_t constant_value = constant->Integer32Value(); |
| 1506 | // Constants -1, 0 and 1 can be optimized if the result can overflow. |
| 1507 | // For other constants, it can be optimized only without overflow. |
| 1508 | if (!can_overflow || ((constant_value >= -1) && (constant_value <= 1))) { |
| 1509 | left_op = UseRegisterAtStart(left); |
| 1510 | right_op = UseConstant(right); |
| 1511 | } else { |
| 1512 | if (bailout_on_minus_zero) { |
| 1513 | left_op = UseRegister(left); |
| 1514 | } else { |
| 1515 | left_op = UseRegisterAtStart(left); |
| 1516 | } |
| 1517 | right_op = UseRegister(right); |
| 1518 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1519 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1520 | if (bailout_on_minus_zero) { |
| 1521 | left_op = UseRegister(left); |
| 1522 | } else { |
| 1523 | left_op = UseRegisterAtStart(left); |
| 1524 | } |
| 1525 | right_op = UseRegister(right); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1526 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1527 | LMulI* mul = new(zone()) LMulI(left_op, right_op); |
| 1528 | if (can_overflow || bailout_on_minus_zero) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1529 | AssignEnvironment(mul); |
| 1530 | } |
| 1531 | return DefineAsRegister(mul); |
| 1532 | |
| 1533 | } else if (instr->representation().IsDouble()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1534 | if (IsMipsArchVariant(kMips32r2)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1535 | if (instr->HasOneUse() && instr->uses().value()->IsAdd()) { |
| 1536 | HAdd* add = HAdd::cast(instr->uses().value()); |
| 1537 | if (instr == add->left()) { |
| 1538 | // This mul is the lhs of an add. The add and mul will be folded |
| 1539 | // into a multiply-add. |
| 1540 | return NULL; |
| 1541 | } |
| 1542 | if (instr == add->right() && !add->left()->IsMul()) { |
| 1543 | // This mul is the rhs of an add, where the lhs is not another mul. |
| 1544 | // The add and mul will be folded into a multiply-add. |
| 1545 | return NULL; |
| 1546 | } |
| 1547 | } |
| 1548 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1549 | return DoArithmeticD(Token::MUL, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1550 | } else { |
| 1551 | return DoArithmeticT(Token::MUL, instr); |
| 1552 | } |
| 1553 | } |
| 1554 | |
| 1555 | |
| 1556 | LInstruction* LChunkBuilder::DoSub(HSub* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1557 | if (instr->representation().IsSmiOrInteger32()) { |
| 1558 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1559 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1560 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1561 | LOperand* right = UseOrConstantAtStart(instr->right()); |
| 1562 | LSubI* sub = new(zone()) LSubI(left, right); |
| 1563 | LInstruction* result = DefineAsRegister(sub); |
| 1564 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1565 | result = AssignEnvironment(result); |
| 1566 | } |
| 1567 | return result; |
| 1568 | } else if (instr->representation().IsDouble()) { |
| 1569 | return DoArithmeticD(Token::SUB, instr); |
| 1570 | } else { |
| 1571 | return DoArithmeticT(Token::SUB, instr); |
| 1572 | } |
| 1573 | } |
| 1574 | |
| 1575 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1576 | LInstruction* LChunkBuilder::DoMultiplyAdd(HMul* mul, HValue* addend) { |
| 1577 | LOperand* multiplier_op = UseRegisterAtStart(mul->left()); |
| 1578 | LOperand* multiplicand_op = UseRegisterAtStart(mul->right()); |
| 1579 | LOperand* addend_op = UseRegisterAtStart(addend); |
| 1580 | return DefineSameAsFirst(new(zone()) LMultiplyAddD(addend_op, multiplier_op, |
| 1581 | multiplicand_op)); |
| 1582 | } |
| 1583 | |
| 1584 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1585 | LInstruction* LChunkBuilder::DoAdd(HAdd* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1586 | if (instr->representation().IsSmiOrInteger32()) { |
| 1587 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1588 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1589 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1590 | LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1591 | LAddI* add = new(zone()) LAddI(left, right); |
| 1592 | LInstruction* result = DefineAsRegister(add); |
| 1593 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1594 | result = AssignEnvironment(result); |
| 1595 | } |
| 1596 | return result; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1597 | } else if (instr->representation().IsExternal()) { |
| 1598 | DCHECK(instr->left()->representation().IsExternal()); |
| 1599 | DCHECK(instr->right()->representation().IsInteger32()); |
| 1600 | DCHECK(!instr->CheckFlag(HValue::kCanOverflow)); |
| 1601 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1602 | LOperand* right = UseOrConstantAtStart(instr->right()); |
| 1603 | LAddI* add = new(zone()) LAddI(left, right); |
| 1604 | LInstruction* result = DefineAsRegister(add); |
| 1605 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1606 | } else if (instr->representation().IsDouble()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1607 | if (IsMipsArchVariant(kMips32r2)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1608 | if (instr->left()->IsMul()) |
| 1609 | return DoMultiplyAdd(HMul::cast(instr->left()), instr->right()); |
| 1610 | |
| 1611 | if (instr->right()->IsMul()) { |
| 1612 | DCHECK(!instr->left()->IsMul()); |
| 1613 | return DoMultiplyAdd(HMul::cast(instr->right()), instr->left()); |
| 1614 | } |
| 1615 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1616 | return DoArithmeticD(Token::ADD, instr); |
| 1617 | } else { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1618 | return DoArithmeticT(Token::ADD, instr); |
| 1619 | } |
| 1620 | } |
| 1621 | |
| 1622 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1623 | LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) { |
| 1624 | LOperand* left = NULL; |
| 1625 | LOperand* right = NULL; |
| 1626 | if (instr->representation().IsSmiOrInteger32()) { |
| 1627 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1628 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1629 | left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1630 | right = UseOrConstantAtStart(instr->BetterRightOperand()); |
| 1631 | } else { |
| 1632 | DCHECK(instr->representation().IsDouble()); |
| 1633 | DCHECK(instr->left()->representation().IsDouble()); |
| 1634 | DCHECK(instr->right()->representation().IsDouble()); |
| 1635 | left = UseRegisterAtStart(instr->left()); |
| 1636 | right = UseRegisterAtStart(instr->right()); |
| 1637 | } |
| 1638 | return DefineAsRegister(new(zone()) LMathMinMax(left, right)); |
| 1639 | } |
| 1640 | |
| 1641 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1642 | LInstruction* LChunkBuilder::DoPower(HPower* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1643 | DCHECK(instr->representation().IsDouble()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1644 | // We call a C function for double power. It can't trigger a GC. |
| 1645 | // We need to use fixed result register for the call. |
| 1646 | Representation exponent_type = instr->right()->representation(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1647 | DCHECK(instr->left()->representation().IsDouble()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1648 | LOperand* left = UseFixedDouble(instr->left(), f2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1649 | LOperand* right = |
| 1650 | exponent_type.IsDouble() |
| 1651 | ? UseFixedDouble(instr->right(), f4) |
| 1652 | : UseFixed(instr->right(), MathPowTaggedDescriptor::exponent()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1653 | LPower* result = new(zone()) LPower(left, right); |
| 1654 | return MarkAsCall(DefineFixedDouble(result, f0), |
| 1655 | instr, |
| 1656 | CAN_DEOPTIMIZE_EAGERLY); |
| 1657 | } |
| 1658 | |
| 1659 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1660 | LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1661 | DCHECK(instr->left()->representation().IsTagged()); |
| 1662 | DCHECK(instr->right()->representation().IsTagged()); |
| 1663 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1664 | LOperand* left = UseFixed(instr->left(), a1); |
| 1665 | LOperand* right = UseFixed(instr->right(), a0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1666 | LCmpT* result = new(zone()) LCmpT(context, left, right); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1667 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 1668 | } |
| 1669 | |
| 1670 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1671 | LInstruction* LChunkBuilder::DoCompareNumericAndBranch( |
| 1672 | HCompareNumericAndBranch* instr) { |
| 1673 | Representation r = instr->representation(); |
| 1674 | if (r.IsSmiOrInteger32()) { |
| 1675 | DCHECK(instr->left()->representation().Equals(r)); |
| 1676 | DCHECK(instr->right()->representation().Equals(r)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1677 | LOperand* left = UseRegisterOrConstantAtStart(instr->left()); |
| 1678 | LOperand* right = UseRegisterOrConstantAtStart(instr->right()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1679 | return new(zone()) LCompareNumericAndBranch(left, right); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1680 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1681 | DCHECK(r.IsDouble()); |
| 1682 | DCHECK(instr->left()->representation().IsDouble()); |
| 1683 | DCHECK(instr->right()->representation().IsDouble()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1684 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1685 | LOperand* right = UseRegisterAtStart(instr->right()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1686 | return new(zone()) LCompareNumericAndBranch(left, right); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1687 | } |
| 1688 | } |
| 1689 | |
| 1690 | |
| 1691 | LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch( |
| 1692 | HCompareObjectEqAndBranch* instr) { |
| 1693 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1694 | LOperand* right = UseRegisterAtStart(instr->right()); |
| 1695 | return new(zone()) LCmpObjectEqAndBranch(left, right); |
| 1696 | } |
| 1697 | |
| 1698 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1699 | LInstruction* LChunkBuilder::DoCompareHoleAndBranch( |
| 1700 | HCompareHoleAndBranch* instr) { |
| 1701 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1702 | return new(zone()) LCmpHoleAndBranch(value); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1703 | } |
| 1704 | |
| 1705 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1706 | LInstruction* LChunkBuilder::DoCompareMinusZeroAndBranch( |
| 1707 | HCompareMinusZeroAndBranch* instr) { |
| 1708 | LOperand* value = UseRegister(instr->value()); |
| 1709 | LOperand* scratch = TempRegister(); |
| 1710 | return new(zone()) LCompareMinusZeroAndBranch(value, scratch); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | |
| 1714 | LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1715 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1716 | LOperand* temp = TempRegister(); |
| 1717 | return new(zone()) LIsObjectAndBranch(UseRegisterAtStart(instr->value()), |
| 1718 | temp); |
| 1719 | } |
| 1720 | |
| 1721 | |
| 1722 | LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1723 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1724 | LOperand* temp = TempRegister(); |
| 1725 | return new(zone()) LIsStringAndBranch(UseRegisterAtStart(instr->value()), |
| 1726 | temp); |
| 1727 | } |
| 1728 | |
| 1729 | |
| 1730 | LInstruction* LChunkBuilder::DoIsSmiAndBranch(HIsSmiAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1731 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1732 | return new(zone()) LIsSmiAndBranch(Use(instr->value())); |
| 1733 | } |
| 1734 | |
| 1735 | |
| 1736 | LInstruction* LChunkBuilder::DoIsUndetectableAndBranch( |
| 1737 | HIsUndetectableAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1738 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1739 | return new(zone()) LIsUndetectableAndBranch( |
| 1740 | UseRegisterAtStart(instr->value()), TempRegister()); |
| 1741 | } |
| 1742 | |
| 1743 | |
| 1744 | LInstruction* LChunkBuilder::DoStringCompareAndBranch( |
| 1745 | HStringCompareAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1746 | DCHECK(instr->left()->representation().IsTagged()); |
| 1747 | DCHECK(instr->right()->representation().IsTagged()); |
| 1748 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1749 | LOperand* left = UseFixed(instr->left(), a1); |
| 1750 | LOperand* right = UseFixed(instr->right(), a0); |
| 1751 | LStringCompareAndBranch* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1752 | new(zone()) LStringCompareAndBranch(context, left, right); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1753 | return MarkAsCall(result, instr); |
| 1754 | } |
| 1755 | |
| 1756 | |
| 1757 | LInstruction* LChunkBuilder::DoHasInstanceTypeAndBranch( |
| 1758 | HHasInstanceTypeAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1759 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1760 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1761 | return new(zone()) LHasInstanceTypeAndBranch(value); |
| 1762 | } |
| 1763 | |
| 1764 | |
| 1765 | LInstruction* LChunkBuilder::DoGetCachedArrayIndex( |
| 1766 | HGetCachedArrayIndex* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1767 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1768 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1769 | |
| 1770 | return DefineAsRegister(new(zone()) LGetCachedArrayIndex(value)); |
| 1771 | } |
| 1772 | |
| 1773 | |
| 1774 | LInstruction* LChunkBuilder::DoHasCachedArrayIndexAndBranch( |
| 1775 | HHasCachedArrayIndexAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1776 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1777 | return new(zone()) LHasCachedArrayIndexAndBranch( |
| 1778 | UseRegisterAtStart(instr->value())); |
| 1779 | } |
| 1780 | |
| 1781 | |
| 1782 | LInstruction* LChunkBuilder::DoClassOfTestAndBranch( |
| 1783 | HClassOfTestAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1784 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1785 | return new(zone()) LClassOfTestAndBranch(UseRegister(instr->value()), |
| 1786 | TempRegister()); |
| 1787 | } |
| 1788 | |
| 1789 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1790 | LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) { |
| 1791 | LOperand* map = UseRegisterAtStart(instr->value()); |
| 1792 | return DefineAsRegister(new(zone()) LMapEnumLength(map)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1793 | } |
| 1794 | |
| 1795 | |
| 1796 | LInstruction* LChunkBuilder::DoDateField(HDateField* instr) { |
| 1797 | LOperand* object = UseFixed(instr->value(), a0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1798 | LDateField* result = |
| 1799 | new(zone()) LDateField(object, FixedTemp(a1), instr->index()); |
| 1800 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 1801 | } |
| 1802 | |
| 1803 | |
| 1804 | LInstruction* LChunkBuilder::DoSeqStringGetChar(HSeqStringGetChar* instr) { |
| 1805 | LOperand* string = UseRegisterAtStart(instr->string()); |
| 1806 | LOperand* index = UseRegisterOrConstantAtStart(instr->index()); |
| 1807 | return DefineAsRegister(new(zone()) LSeqStringGetChar(string, index)); |
| 1808 | } |
| 1809 | |
| 1810 | |
| 1811 | LInstruction* LChunkBuilder::DoSeqStringSetChar(HSeqStringSetChar* instr) { |
| 1812 | LOperand* string = UseRegisterAtStart(instr->string()); |
| 1813 | LOperand* index = FLAG_debug_code |
| 1814 | ? UseRegisterAtStart(instr->index()) |
| 1815 | : UseRegisterOrConstantAtStart(instr->index()); |
| 1816 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1817 | LOperand* context = FLAG_debug_code ? UseFixed(instr->context(), cp) : NULL; |
| 1818 | return new(zone()) LSeqStringSetChar(context, string, index, value); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1819 | } |
| 1820 | |
| 1821 | |
| 1822 | LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1823 | if (!FLAG_debug_code && instr->skip_check()) return NULL; |
| 1824 | LOperand* index = UseRegisterOrConstantAtStart(instr->index()); |
| 1825 | LOperand* length = !index->IsConstantOperand() |
| 1826 | ? UseRegisterOrConstantAtStart(instr->length()) |
| 1827 | : UseRegisterAtStart(instr->length()); |
| 1828 | LInstruction* result = new(zone()) LBoundsCheck(index, length); |
| 1829 | if (!FLAG_debug_code || !instr->skip_check()) { |
| 1830 | result = AssignEnvironment(result); |
| 1831 | } |
| 1832 | return result; |
| 1833 | } |
| 1834 | |
| 1835 | |
| 1836 | LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation( |
| 1837 | HBoundsCheckBaseIndexInformation* instr) { |
| 1838 | UNREACHABLE(); |
| 1839 | return NULL; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1840 | } |
| 1841 | |
| 1842 | |
| 1843 | LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) { |
| 1844 | // The control instruction marking the end of a block that completed |
| 1845 | // abruptly (e.g., threw an exception). There is nothing specific to do. |
| 1846 | return NULL; |
| 1847 | } |
| 1848 | |
| 1849 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1850 | LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) { |
| 1851 | return NULL; |
| 1852 | } |
| 1853 | |
| 1854 | |
| 1855 | LInstruction* LChunkBuilder::DoForceRepresentation(HForceRepresentation* bad) { |
| 1856 | // All HForceRepresentation instructions should be eliminated in the |
| 1857 | // representation change phase of Hydrogen. |
| 1858 | UNREACHABLE(); |
| 1859 | return NULL; |
| 1860 | } |
| 1861 | |
| 1862 | |
| 1863 | LInstruction* LChunkBuilder::DoChange(HChange* instr) { |
| 1864 | Representation from = instr->from(); |
| 1865 | Representation to = instr->to(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1866 | HValue* val = instr->value(); |
| 1867 | if (from.IsSmi()) { |
| 1868 | if (to.IsTagged()) { |
| 1869 | LOperand* value = UseRegister(val); |
| 1870 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
| 1871 | } |
| 1872 | from = Representation::Tagged(); |
| 1873 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1874 | if (from.IsTagged()) { |
| 1875 | if (to.IsDouble()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1876 | LOperand* value = UseRegister(val); |
| 1877 | LInstruction* result = DefineAsRegister(new(zone()) LNumberUntagD(value)); |
| 1878 | if (!val->representation().IsSmi()) result = AssignEnvironment(result); |
| 1879 | return result; |
| 1880 | } else if (to.IsSmi()) { |
| 1881 | LOperand* value = UseRegister(val); |
| 1882 | if (val->type().IsSmi()) { |
| 1883 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1884 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1885 | return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value))); |
| 1886 | } else { |
| 1887 | DCHECK(to.IsInteger32()); |
| 1888 | if (val->type().IsSmi() || val->representation().IsSmi()) { |
| 1889 | LOperand* value = UseRegisterAtStart(val); |
| 1890 | return DefineAsRegister(new(zone()) LSmiUntag(value, false)); |
| 1891 | } else { |
| 1892 | LOperand* value = UseRegister(val); |
| 1893 | LOperand* temp1 = TempRegister(); |
| 1894 | LOperand* temp2 = TempDoubleRegister(); |
| 1895 | LInstruction* result = |
| 1896 | DefineSameAsFirst(new(zone()) LTaggedToI(value, temp1, temp2)); |
| 1897 | if (!val->representation().IsSmi()) result = AssignEnvironment(result); |
| 1898 | return result; |
| 1899 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1900 | } |
| 1901 | } else if (from.IsDouble()) { |
| 1902 | if (to.IsTagged()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1903 | info()->MarkAsDeferredCalling(); |
| 1904 | LOperand* value = UseRegister(val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1905 | LOperand* temp1 = TempRegister(); |
| 1906 | LOperand* temp2 = TempRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1907 | LUnallocated* result_temp = TempRegister(); |
| 1908 | LNumberTagD* result = new(zone()) LNumberTagD(value, temp1, temp2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1909 | return AssignPointerMap(Define(result, result_temp)); |
| 1910 | } else if (to.IsSmi()) { |
| 1911 | LOperand* value = UseRegister(val); |
| 1912 | return AssignEnvironment( |
| 1913 | DefineAsRegister(new(zone()) LDoubleToSmi(value))); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1914 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1915 | DCHECK(to.IsInteger32()); |
| 1916 | LOperand* value = UseRegister(val); |
| 1917 | LInstruction* result = DefineAsRegister(new(zone()) LDoubleToI(value)); |
| 1918 | if (!instr->CanTruncateToInt32()) result = AssignEnvironment(result); |
| 1919 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1920 | } |
| 1921 | } else if (from.IsInteger32()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1922 | info()->MarkAsDeferredCalling(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1923 | if (to.IsTagged()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1924 | if (!instr->CheckFlag(HValue::kCanOverflow)) { |
| 1925 | LOperand* value = UseRegisterAtStart(val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1926 | return DefineAsRegister(new(zone()) LSmiTag(value)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1927 | } else if (val->CheckFlag(HInstruction::kUint32)) { |
| 1928 | LOperand* value = UseRegisterAtStart(val); |
| 1929 | LOperand* temp1 = TempRegister(); |
| 1930 | LOperand* temp2 = TempRegister(); |
| 1931 | LNumberTagU* result = new(zone()) LNumberTagU(value, temp1, temp2); |
| 1932 | return AssignPointerMap(DefineAsRegister(result)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1933 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1934 | LOperand* value = UseRegisterAtStart(val); |
| 1935 | LOperand* temp1 = TempRegister(); |
| 1936 | LOperand* temp2 = TempRegister(); |
| 1937 | LNumberTagI* result = new(zone()) LNumberTagI(value, temp1, temp2); |
| 1938 | return AssignPointerMap(DefineAsRegister(result)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1939 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1940 | } else if (to.IsSmi()) { |
| 1941 | LOperand* value = UseRegister(val); |
| 1942 | LInstruction* result = DefineAsRegister(new(zone()) LSmiTag(value)); |
| 1943 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1944 | result = AssignEnvironment(result); |
| 1945 | } |
| 1946 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1947 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1948 | DCHECK(to.IsDouble()); |
| 1949 | if (val->CheckFlag(HInstruction::kUint32)) { |
| 1950 | return DefineAsRegister(new(zone()) LUint32ToDouble(UseRegister(val))); |
| 1951 | } else { |
| 1952 | return DefineAsRegister(new(zone()) LInteger32ToDouble(Use(val))); |
| 1953 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1954 | } |
| 1955 | } |
| 1956 | UNREACHABLE(); |
| 1957 | return NULL; |
| 1958 | } |
| 1959 | |
| 1960 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1961 | LInstruction* LChunkBuilder::DoCheckHeapObject(HCheckHeapObject* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1962 | LOperand* value = UseRegisterAtStart(instr->value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1963 | LInstruction* result = new(zone()) LCheckNonSmi(value); |
| 1964 | if (!instr->value()->type().IsHeapObject()) { |
| 1965 | result = AssignEnvironment(result); |
| 1966 | } |
| 1967 | return result; |
| 1968 | } |
| 1969 | |
| 1970 | |
| 1971 | LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) { |
| 1972 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1973 | return AssignEnvironment(new(zone()) LCheckSmi(value)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1974 | } |
| 1975 | |
| 1976 | |
| 1977 | LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
| 1978 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1979 | LInstruction* result = new(zone()) LCheckInstanceType(value); |
| 1980 | return AssignEnvironment(result); |
| 1981 | } |
| 1982 | |
| 1983 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1984 | LInstruction* LChunkBuilder::DoCheckValue(HCheckValue* instr) { |
| 1985 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1986 | return AssignEnvironment(new(zone()) LCheckValue(value)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1987 | } |
| 1988 | |
| 1989 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1990 | LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) { |
| 1991 | if (instr->IsStabilityCheck()) return new(zone()) LCheckMaps; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1992 | LOperand* value = UseRegisterAtStart(instr->value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1993 | LInstruction* result = AssignEnvironment(new(zone()) LCheckMaps(value)); |
| 1994 | if (instr->HasMigrationTarget()) { |
| 1995 | info()->MarkAsDeferredCalling(); |
| 1996 | result = AssignPointerMap(result); |
| 1997 | } |
| 1998 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1999 | } |
| 2000 | |
| 2001 | |
| 2002 | LInstruction* LChunkBuilder::DoClampToUint8(HClampToUint8* instr) { |
| 2003 | HValue* value = instr->value(); |
| 2004 | Representation input_rep = value->representation(); |
| 2005 | LOperand* reg = UseRegister(value); |
| 2006 | if (input_rep.IsDouble()) { |
| 2007 | // Revisit this decision, here and 8 lines below. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2008 | return DefineAsRegister(new(zone()) LClampDToUint8(reg, |
| 2009 | TempDoubleRegister())); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2010 | } else if (input_rep.IsInteger32()) { |
| 2011 | return DefineAsRegister(new(zone()) LClampIToUint8(reg)); |
| 2012 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2013 | DCHECK(input_rep.IsSmiOrTagged()); |
| 2014 | LClampTToUint8* result = |
| 2015 | new(zone()) LClampTToUint8(reg, TempDoubleRegister()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2016 | return AssignEnvironment(DefineAsRegister(result)); |
| 2017 | } |
| 2018 | } |
| 2019 | |
| 2020 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2021 | LInstruction* LChunkBuilder::DoDoubleBits(HDoubleBits* instr) { |
| 2022 | HValue* value = instr->value(); |
| 2023 | DCHECK(value->representation().IsDouble()); |
| 2024 | return DefineAsRegister(new(zone()) LDoubleBits(UseRegister(value))); |
| 2025 | } |
| 2026 | |
| 2027 | |
| 2028 | LInstruction* LChunkBuilder::DoConstructDouble(HConstructDouble* instr) { |
| 2029 | LOperand* lo = UseRegister(instr->lo()); |
| 2030 | LOperand* hi = UseRegister(instr->hi()); |
| 2031 | return DefineAsRegister(new(zone()) LConstructDouble(hi, lo)); |
| 2032 | } |
| 2033 | |
| 2034 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2035 | LInstruction* LChunkBuilder::DoReturn(HReturn* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2036 | LOperand* context = info()->IsStub() |
| 2037 | ? UseFixed(instr->context(), cp) |
| 2038 | : NULL; |
| 2039 | LOperand* parameter_count = UseRegisterOrConstant(instr->parameter_count()); |
| 2040 | return new(zone()) LReturn(UseFixed(instr->value(), v0), context, |
| 2041 | parameter_count); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2042 | } |
| 2043 | |
| 2044 | |
| 2045 | LInstruction* LChunkBuilder::DoConstant(HConstant* instr) { |
| 2046 | Representation r = instr->representation(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2047 | if (r.IsSmi()) { |
| 2048 | return DefineAsRegister(new(zone()) LConstantS); |
| 2049 | } else if (r.IsInteger32()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2050 | return DefineAsRegister(new(zone()) LConstantI); |
| 2051 | } else if (r.IsDouble()) { |
| 2052 | return DefineAsRegister(new(zone()) LConstantD); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2053 | } else if (r.IsExternal()) { |
| 2054 | return DefineAsRegister(new(zone()) LConstantE); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2055 | } else if (r.IsTagged()) { |
| 2056 | return DefineAsRegister(new(zone()) LConstantT); |
| 2057 | } else { |
| 2058 | UNREACHABLE(); |
| 2059 | return NULL; |
| 2060 | } |
| 2061 | } |
| 2062 | |
| 2063 | |
| 2064 | LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) { |
| 2065 | LLoadGlobalCell* result = new(zone()) LLoadGlobalCell; |
| 2066 | return instr->RequiresHoleCheck() |
| 2067 | ? AssignEnvironment(DefineAsRegister(result)) |
| 2068 | : DefineAsRegister(result); |
| 2069 | } |
| 2070 | |
| 2071 | |
| 2072 | LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2073 | LOperand* context = UseFixed(instr->context(), cp); |
| 2074 | LOperand* global_object = |
| 2075 | UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister()); |
| 2076 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2077 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2078 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2079 | } |
| 2080 | LLoadGlobalGeneric* result = |
| 2081 | new(zone()) LLoadGlobalGeneric(context, global_object, vector); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2082 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2083 | } |
| 2084 | |
| 2085 | |
| 2086 | LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) { |
| 2087 | LOperand* value = UseRegister(instr->value()); |
| 2088 | // Use a temp to check the value in the cell in the case where we perform |
| 2089 | // a hole check. |
| 2090 | return instr->RequiresHoleCheck() |
| 2091 | ? AssignEnvironment(new(zone()) LStoreGlobalCell(value, TempRegister())) |
| 2092 | : new(zone()) LStoreGlobalCell(value, NULL); |
| 2093 | } |
| 2094 | |
| 2095 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2096 | LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { |
| 2097 | LOperand* context = UseRegisterAtStart(instr->value()); |
| 2098 | LInstruction* result = |
| 2099 | DefineAsRegister(new(zone()) LLoadContextSlot(context)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2100 | if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { |
| 2101 | result = AssignEnvironment(result); |
| 2102 | } |
| 2103 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2104 | } |
| 2105 | |
| 2106 | |
| 2107 | LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) { |
| 2108 | LOperand* context; |
| 2109 | LOperand* value; |
| 2110 | if (instr->NeedsWriteBarrier()) { |
| 2111 | context = UseTempRegister(instr->context()); |
| 2112 | value = UseTempRegister(instr->value()); |
| 2113 | } else { |
| 2114 | context = UseRegister(instr->context()); |
| 2115 | value = UseRegister(instr->value()); |
| 2116 | } |
| 2117 | LInstruction* result = new(zone()) LStoreContextSlot(context, value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2118 | if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { |
| 2119 | result = AssignEnvironment(result); |
| 2120 | } |
| 2121 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2122 | } |
| 2123 | |
| 2124 | |
| 2125 | LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2126 | LOperand* obj = UseRegisterAtStart(instr->object()); |
| 2127 | return DefineAsRegister(new(zone()) LLoadNamedField(obj)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2128 | } |
| 2129 | |
| 2130 | |
| 2131 | LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2132 | LOperand* context = UseFixed(instr->context(), cp); |
| 2133 | LOperand* object = |
| 2134 | UseFixed(instr->object(), LoadDescriptor::ReceiverRegister()); |
| 2135 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2136 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2137 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2138 | } |
| 2139 | |
| 2140 | LInstruction* result = |
| 2141 | DefineFixed(new(zone()) LLoadNamedGeneric(context, object, vector), v0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2142 | return MarkAsCall(result, instr); |
| 2143 | } |
| 2144 | |
| 2145 | |
| 2146 | LInstruction* LChunkBuilder::DoLoadFunctionPrototype( |
| 2147 | HLoadFunctionPrototype* instr) { |
| 2148 | return AssignEnvironment(DefineAsRegister( |
| 2149 | new(zone()) LLoadFunctionPrototype(UseRegister(instr->function())))); |
| 2150 | } |
| 2151 | |
| 2152 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2153 | LInstruction* LChunkBuilder::DoLoadRoot(HLoadRoot* instr) { |
| 2154 | return DefineAsRegister(new(zone()) LLoadRoot); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2155 | } |
| 2156 | |
| 2157 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2158 | LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { |
| 2159 | DCHECK(instr->key()->representation().IsSmiOrInteger32()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2160 | ElementsKind elements_kind = instr->elements_kind(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2161 | LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 2162 | LInstruction* result = NULL; |
| 2163 | |
| 2164 | if (!instr->is_typed_elements()) { |
| 2165 | LOperand* obj = NULL; |
| 2166 | if (instr->representation().IsDouble()) { |
| 2167 | obj = UseRegister(instr->elements()); |
| 2168 | } else { |
| 2169 | DCHECK(instr->representation().IsSmiOrTagged()); |
| 2170 | obj = UseRegisterAtStart(instr->elements()); |
| 2171 | } |
| 2172 | result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); |
| 2173 | } else { |
| 2174 | DCHECK( |
| 2175 | (instr->representation().IsInteger32() && |
| 2176 | !IsDoubleOrFloatElementsKind(elements_kind)) || |
| 2177 | (instr->representation().IsDouble() && |
| 2178 | IsDoubleOrFloatElementsKind(elements_kind))); |
| 2179 | LOperand* backing_store = UseRegister(instr->elements()); |
| 2180 | result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); |
| 2181 | } |
| 2182 | |
| 2183 | if ((instr->is_external() || instr->is_fixed_typed_array()) ? |
| 2184 | // see LCodeGen::DoLoadKeyedExternalArray |
| 2185 | ((elements_kind == EXTERNAL_UINT32_ELEMENTS || |
| 2186 | elements_kind == UINT32_ELEMENTS) && |
| 2187 | !instr->CheckFlag(HInstruction::kUint32)) : |
| 2188 | // see LCodeGen::DoLoadKeyedFixedDoubleArray and |
| 2189 | // LCodeGen::DoLoadKeyedFixedArray |
| 2190 | instr->RequiresHoleCheck()) { |
| 2191 | result = AssignEnvironment(result); |
| 2192 | } |
| 2193 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2194 | } |
| 2195 | |
| 2196 | |
| 2197 | LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2198 | LOperand* context = UseFixed(instr->context(), cp); |
| 2199 | LOperand* object = |
| 2200 | UseFixed(instr->object(), LoadDescriptor::ReceiverRegister()); |
| 2201 | LOperand* key = UseFixed(instr->key(), LoadDescriptor::NameRegister()); |
| 2202 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2203 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2204 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2205 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2206 | |
| 2207 | LInstruction* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2208 | DefineFixed(new(zone()) LLoadKeyedGeneric(context, object, key, vector), |
| 2209 | v0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2210 | return MarkAsCall(result, instr); |
| 2211 | } |
| 2212 | |
| 2213 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2214 | LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { |
| 2215 | if (!instr->is_typed_elements()) { |
| 2216 | DCHECK(instr->elements()->representation().IsTagged()); |
| 2217 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
| 2218 | LOperand* object = NULL; |
| 2219 | LOperand* val = NULL; |
| 2220 | LOperand* key = NULL; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2221 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2222 | if (instr->value()->representation().IsDouble()) { |
| 2223 | object = UseRegisterAtStart(instr->elements()); |
| 2224 | key = UseRegisterOrConstantAtStart(instr->key()); |
| 2225 | val = UseRegister(instr->value()); |
| 2226 | } else { |
| 2227 | DCHECK(instr->value()->representation().IsSmiOrTagged()); |
| 2228 | if (needs_write_barrier) { |
| 2229 | object = UseTempRegister(instr->elements()); |
| 2230 | val = UseTempRegister(instr->value()); |
| 2231 | key = UseTempRegister(instr->key()); |
| 2232 | } else { |
| 2233 | object = UseRegisterAtStart(instr->elements()); |
| 2234 | val = UseRegisterAtStart(instr->value()); |
| 2235 | key = UseRegisterOrConstantAtStart(instr->key()); |
| 2236 | } |
| 2237 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2238 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2239 | return new(zone()) LStoreKeyed(object, key, val); |
| 2240 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2241 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2242 | DCHECK( |
| 2243 | (instr->value()->representation().IsInteger32() && |
| 2244 | !IsDoubleOrFloatElementsKind(instr->elements_kind())) || |
| 2245 | (instr->value()->representation().IsDouble() && |
| 2246 | IsDoubleOrFloatElementsKind(instr->elements_kind()))); |
| 2247 | DCHECK((instr->is_fixed_typed_array() && |
| 2248 | instr->elements()->representation().IsTagged()) || |
| 2249 | (instr->is_external() && |
| 2250 | instr->elements()->representation().IsExternal())); |
| 2251 | LOperand* val = UseRegister(instr->value()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2252 | LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2253 | LOperand* backing_store = UseRegister(instr->elements()); |
| 2254 | return new(zone()) LStoreKeyed(backing_store, key, val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2255 | } |
| 2256 | |
| 2257 | |
| 2258 | LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2259 | LOperand* context = UseFixed(instr->context(), cp); |
| 2260 | LOperand* obj = |
| 2261 | UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); |
| 2262 | LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister()); |
| 2263 | LOperand* val = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2264 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2265 | DCHECK(instr->object()->representation().IsTagged()); |
| 2266 | DCHECK(instr->key()->representation().IsTagged()); |
| 2267 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2268 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2269 | return MarkAsCall( |
| 2270 | new(zone()) LStoreKeyedGeneric(context, obj, key, val), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2271 | } |
| 2272 | |
| 2273 | |
| 2274 | LInstruction* LChunkBuilder::DoTransitionElementsKind( |
| 2275 | HTransitionElementsKind* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2276 | if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2277 | LOperand* object = UseRegister(instr->object()); |
| 2278 | LOperand* new_map_reg = TempRegister(); |
| 2279 | LTransitionElementsKind* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2280 | new(zone()) LTransitionElementsKind(object, NULL, new_map_reg); |
| 2281 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2282 | } else { |
| 2283 | LOperand* object = UseFixed(instr->object(), a0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2284 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2285 | LTransitionElementsKind* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2286 | new(zone()) LTransitionElementsKind(object, context, NULL); |
| 2287 | return MarkAsCall(result, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2288 | } |
| 2289 | } |
| 2290 | |
| 2291 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2292 | LInstruction* LChunkBuilder::DoTrapAllocationMemento( |
| 2293 | HTrapAllocationMemento* instr) { |
| 2294 | LOperand* object = UseRegister(instr->object()); |
| 2295 | LOperand* temp = TempRegister(); |
| 2296 | LTrapAllocationMemento* result = |
| 2297 | new(zone()) LTrapAllocationMemento(object, temp); |
| 2298 | return AssignEnvironment(result); |
| 2299 | } |
| 2300 | |
| 2301 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2302 | LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2303 | bool is_in_object = instr->access().IsInobject(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2304 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2305 | bool needs_write_barrier_for_map = instr->has_transition() && |
| 2306 | instr->NeedsWriteBarrierForMap(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2307 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2308 | LOperand* obj; |
| 2309 | if (needs_write_barrier) { |
| 2310 | obj = is_in_object |
| 2311 | ? UseRegister(instr->object()) |
| 2312 | : UseTempRegister(instr->object()); |
| 2313 | } else { |
| 2314 | obj = needs_write_barrier_for_map |
| 2315 | ? UseRegister(instr->object()) |
| 2316 | : UseRegisterAtStart(instr->object()); |
| 2317 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2318 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2319 | LOperand* val; |
| 2320 | if (needs_write_barrier) { |
| 2321 | val = UseTempRegister(instr->value()); |
| 2322 | } else if (instr->field_representation().IsDouble()) { |
| 2323 | val = UseRegisterAtStart(instr->value()); |
| 2324 | } else { |
| 2325 | val = UseRegister(instr->value()); |
| 2326 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2327 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2328 | // We need a temporary register for write barrier of the map field. |
| 2329 | LOperand* temp = needs_write_barrier_for_map ? TempRegister() : NULL; |
| 2330 | |
| 2331 | return new(zone()) LStoreNamedField(obj, val, temp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2332 | } |
| 2333 | |
| 2334 | |
| 2335 | LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2336 | LOperand* context = UseFixed(instr->context(), cp); |
| 2337 | LOperand* obj = |
| 2338 | UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); |
| 2339 | LOperand* val = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2340 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2341 | LInstruction* result = new(zone()) LStoreNamedGeneric(context, obj, val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2342 | return MarkAsCall(result, instr); |
| 2343 | } |
| 2344 | |
| 2345 | |
| 2346 | LInstruction* LChunkBuilder::DoStringAdd(HStringAdd* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2347 | LOperand* context = UseFixed(instr->context(), cp); |
| 2348 | LOperand* left = UseFixed(instr->left(), a1); |
| 2349 | LOperand* right = UseFixed(instr->right(), a0); |
| 2350 | return MarkAsCall( |
| 2351 | DefineFixed(new(zone()) LStringAdd(context, left, right), v0), |
| 2352 | instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2353 | } |
| 2354 | |
| 2355 | |
| 2356 | LInstruction* LChunkBuilder::DoStringCharCodeAt(HStringCharCodeAt* instr) { |
| 2357 | LOperand* string = UseTempRegister(instr->string()); |
| 2358 | LOperand* index = UseTempRegister(instr->index()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2359 | LOperand* context = UseAny(instr->context()); |
| 2360 | LStringCharCodeAt* result = |
| 2361 | new(zone()) LStringCharCodeAt(context, string, index); |
| 2362 | return AssignPointerMap(DefineAsRegister(result)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2363 | } |
| 2364 | |
| 2365 | |
| 2366 | LInstruction* LChunkBuilder::DoStringCharFromCode(HStringCharFromCode* instr) { |
| 2367 | LOperand* char_code = UseRegister(instr->value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2368 | LOperand* context = UseAny(instr->context()); |
| 2369 | LStringCharFromCode* result = |
| 2370 | new(zone()) LStringCharFromCode(context, char_code); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2371 | return AssignPointerMap(DefineAsRegister(result)); |
| 2372 | } |
| 2373 | |
| 2374 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2375 | LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) { |
| 2376 | info()->MarkAsDeferredCalling(); |
| 2377 | LOperand* context = UseAny(instr->context()); |
| 2378 | LOperand* size = UseRegisterOrConstant(instr->size()); |
| 2379 | LOperand* temp1 = TempRegister(); |
| 2380 | LOperand* temp2 = TempRegister(); |
| 2381 | LAllocate* result = new(zone()) LAllocate(context, size, temp1, temp2); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2382 | return AssignPointerMap(DefineAsRegister(result)); |
| 2383 | } |
| 2384 | |
| 2385 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2386 | LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2387 | LOperand* context = UseFixed(instr->context(), cp); |
| 2388 | return MarkAsCall( |
| 2389 | DefineFixed(new(zone()) LRegExpLiteral(context), v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2390 | } |
| 2391 | |
| 2392 | |
| 2393 | LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2394 | LOperand* context = UseFixed(instr->context(), cp); |
| 2395 | return MarkAsCall( |
| 2396 | DefineFixed(new(zone()) LFunctionLiteral(context), v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2397 | } |
| 2398 | |
| 2399 | |
| 2400 | LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2401 | DCHECK(argument_count_ == 0); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2402 | allocator_->MarkAsOsrEntry(); |
| 2403 | current_block_->last_environment()->set_ast_id(instr->ast_id()); |
| 2404 | return AssignEnvironment(new(zone()) LOsrEntry); |
| 2405 | } |
| 2406 | |
| 2407 | |
| 2408 | LInstruction* LChunkBuilder::DoParameter(HParameter* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2409 | LParameter* result = new(zone()) LParameter; |
| 2410 | if (instr->kind() == HParameter::STACK_PARAMETER) { |
| 2411 | int spill_index = chunk()->GetParameterStackSlot(instr->index()); |
| 2412 | return DefineAsSpilled(result, spill_index); |
| 2413 | } else { |
| 2414 | DCHECK(info()->IsStub()); |
| 2415 | CallInterfaceDescriptor descriptor = |
| 2416 | info()->code_stub()->GetCallInterfaceDescriptor(); |
| 2417 | int index = static_cast<int>(instr->index()); |
| 2418 | Register reg = descriptor.GetEnvironmentParameterRegister(index); |
| 2419 | return DefineFixed(result, reg); |
| 2420 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2421 | } |
| 2422 | |
| 2423 | |
| 2424 | LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2425 | // Use an index that corresponds to the location in the unoptimized frame, |
| 2426 | // which the optimized frame will subsume. |
| 2427 | int env_index = instr->index(); |
| 2428 | int spill_index = 0; |
| 2429 | if (instr->environment()->is_parameter_index(env_index)) { |
| 2430 | spill_index = chunk()->GetParameterStackSlot(env_index); |
| 2431 | } else { |
| 2432 | spill_index = env_index - instr->environment()->first_local_index(); |
| 2433 | if (spill_index > LUnallocated::kMaxFixedSlotIndex) { |
| 2434 | Retry(kTooManySpillSlotsNeededForOSR); |
| 2435 | spill_index = 0; |
| 2436 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2437 | } |
| 2438 | return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); |
| 2439 | } |
| 2440 | |
| 2441 | |
| 2442 | LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2443 | LOperand* context = UseFixed(instr->context(), cp); |
| 2444 | return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), v0), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2445 | } |
| 2446 | |
| 2447 | |
| 2448 | LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) { |
| 2449 | // There are no real uses of the arguments object. |
| 2450 | // arguments.length and element access are supported directly on |
| 2451 | // stack arguments, and any real arguments object use causes a bailout. |
| 2452 | // So this value is never used. |
| 2453 | return NULL; |
| 2454 | } |
| 2455 | |
| 2456 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2457 | LInstruction* LChunkBuilder::DoCapturedObject(HCapturedObject* instr) { |
| 2458 | instr->ReplayEnvironment(current_block_->last_environment()); |
| 2459 | |
| 2460 | // There are no real uses of a captured object. |
| 2461 | return NULL; |
| 2462 | } |
| 2463 | |
| 2464 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2465 | LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2466 | info()->MarkAsRequiresFrame(); |
| 2467 | LOperand* args = UseRegister(instr->arguments()); |
| 2468 | LOperand* length = UseRegisterOrConstantAtStart(instr->length()); |
| 2469 | LOperand* index = UseRegisterOrConstantAtStart(instr->index()); |
| 2470 | return DefineAsRegister(new(zone()) LAccessArgumentsAt(args, length, index)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2471 | } |
| 2472 | |
| 2473 | |
| 2474 | LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) { |
| 2475 | LOperand* object = UseFixed(instr->value(), a0); |
| 2476 | LToFastProperties* result = new(zone()) LToFastProperties(object); |
| 2477 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2478 | } |
| 2479 | |
| 2480 | |
| 2481 | LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2482 | LOperand* context = UseFixed(instr->context(), cp); |
| 2483 | LTypeof* result = new(zone()) LTypeof(context, UseFixed(instr->value(), a0)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2484 | return MarkAsCall(DefineFixed(result, v0), instr); |
| 2485 | } |
| 2486 | |
| 2487 | |
| 2488 | LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) { |
| 2489 | return new(zone()) LTypeofIsAndBranch(UseTempRegister(instr->value())); |
| 2490 | } |
| 2491 | |
| 2492 | |
| 2493 | LInstruction* LChunkBuilder::DoIsConstructCallAndBranch( |
| 2494 | HIsConstructCallAndBranch* instr) { |
| 2495 | return new(zone()) LIsConstructCallAndBranch(TempRegister()); |
| 2496 | } |
| 2497 | |
| 2498 | |
| 2499 | LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2500 | instr->ReplayEnvironment(current_block_->last_environment()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2501 | return NULL; |
| 2502 | } |
| 2503 | |
| 2504 | |
| 2505 | LInstruction* LChunkBuilder::DoStackCheck(HStackCheck* instr) { |
| 2506 | if (instr->is_function_entry()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2507 | LOperand* context = UseFixed(instr->context(), cp); |
| 2508 | return MarkAsCall(new(zone()) LStackCheck(context), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2509 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2510 | DCHECK(instr->is_backwards_branch()); |
| 2511 | LOperand* context = UseAny(instr->context()); |
| 2512 | return AssignEnvironment( |
| 2513 | AssignPointerMap(new(zone()) LStackCheck(context))); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2514 | } |
| 2515 | } |
| 2516 | |
| 2517 | |
| 2518 | LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) { |
| 2519 | HEnvironment* outer = current_block_->last_environment(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2520 | outer->set_ast_id(instr->ReturnId()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2521 | HConstant* undefined = graph()->GetConstantUndefined(); |
| 2522 | HEnvironment* inner = outer->CopyForInlining(instr->closure(), |
| 2523 | instr->arguments_count(), |
| 2524 | instr->function(), |
| 2525 | undefined, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2526 | instr->inlining_kind()); |
| 2527 | // Only replay binding of arguments object if it wasn't removed from graph. |
| 2528 | if (instr->arguments_var() != NULL && instr->arguments_object()->IsLinked()) { |
| 2529 | inner->Bind(instr->arguments_var(), instr->arguments_object()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2530 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2531 | inner->BindContext(instr->closure_context()); |
| 2532 | inner->set_entry(instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2533 | current_block_->UpdateEnvironment(inner); |
| 2534 | chunk_->AddInlinedClosure(instr->closure()); |
| 2535 | return NULL; |
| 2536 | } |
| 2537 | |
| 2538 | |
| 2539 | LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2540 | LInstruction* pop = NULL; |
| 2541 | |
| 2542 | HEnvironment* env = current_block_->last_environment(); |
| 2543 | |
| 2544 | if (env->entry()->arguments_pushed()) { |
| 2545 | int argument_count = env->arguments_environment()->parameter_count(); |
| 2546 | pop = new(zone()) LDrop(argument_count); |
| 2547 | DCHECK(instr->argument_delta() == -argument_count); |
| 2548 | } |
| 2549 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2550 | HEnvironment* outer = current_block_->last_environment()-> |
| 2551 | DiscardInlined(false); |
| 2552 | current_block_->UpdateEnvironment(outer); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2553 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2554 | return pop; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2555 | } |
| 2556 | |
| 2557 | |
| 2558 | LInstruction* LChunkBuilder::DoForInPrepareMap(HForInPrepareMap* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2559 | LOperand* context = UseFixed(instr->context(), cp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2560 | LOperand* object = UseFixed(instr->enumerable(), a0); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2561 | LForInPrepareMap* result = new(zone()) LForInPrepareMap(context, object); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2562 | return MarkAsCall(DefineFixed(result, v0), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 2563 | } |
| 2564 | |
| 2565 | |
| 2566 | LInstruction* LChunkBuilder::DoForInCacheArray(HForInCacheArray* instr) { |
| 2567 | LOperand* map = UseRegister(instr->map()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2568 | return AssignEnvironment(DefineAsRegister(new(zone()) LForInCacheArray(map))); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2569 | } |
| 2570 | |
| 2571 | |
| 2572 | LInstruction* LChunkBuilder::DoCheckMapValue(HCheckMapValue* instr) { |
| 2573 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2574 | LOperand* map = UseRegisterAtStart(instr->map()); |
| 2575 | return AssignEnvironment(new(zone()) LCheckMapValue(value, map)); |
| 2576 | } |
| 2577 | |
| 2578 | |
| 2579 | LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
| 2580 | LOperand* object = UseRegister(instr->object()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2581 | LOperand* index = UseTempRegister(instr->index()); |
| 2582 | LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
| 2583 | LInstruction* result = DefineSameAsFirst(load); |
| 2584 | return AssignPointerMap(result); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2585 | } |
| 2586 | |
| 2587 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2588 | |
| 2589 | LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext* instr) { |
| 2590 | LOperand* context = UseRegisterAtStart(instr->context()); |
| 2591 | return new(zone()) LStoreFrameContext(context); |
| 2592 | } |
| 2593 | |
| 2594 | |
| 2595 | LInstruction* LChunkBuilder::DoAllocateBlockContext( |
| 2596 | HAllocateBlockContext* instr) { |
| 2597 | LOperand* context = UseFixed(instr->context(), cp); |
| 2598 | LOperand* function = UseRegisterAtStart(instr->function()); |
| 2599 | LAllocateBlockContext* result = |
| 2600 | new(zone()) LAllocateBlockContext(context, function); |
| 2601 | return MarkAsCall(DefineFixed(result, cp), instr); |
| 2602 | } |
| 2603 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2604 | } } // namespace v8::internal |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2605 | |
| 2606 | #endif // V8_TARGET_ARCH_MIPS |