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 | b0fe162 | 2011-05-05 13:52:32 +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 | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 8 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 9 | #if V8_TARGET_ARCH_IA32 |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 10 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 11 | #include "src/hydrogen-osr.h" |
| 12 | #include "src/ia32/lithium-codegen-ia32.h" |
| 13 | #include "src/lithium-inl.h" |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +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 | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 25 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 26 | #ifdef DEBUG |
| 27 | void LInstruction::VerifyCall() { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 28 | // Call instructions can use only fixed registers as temporaries and |
| 29 | // outputs because all registers are blocked by the calling convention. |
| 30 | // Inputs operands must use a fixed register or use-at-start policy or |
| 31 | // a non-register policy. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 32 | DCHECK(Output() == NULL || |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 33 | LUnallocated::cast(Output())->HasFixedPolicy() || |
| 34 | !LUnallocated::cast(Output())->HasRegisterPolicy()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 35 | for (UseIterator it(this); !it.Done(); it.Advance()) { |
| 36 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 37 | DCHECK(operand->HasFixedPolicy() || |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 38 | operand->IsUsedAtStart()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 39 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 40 | for (TempIterator it(this); !it.Done(); it.Advance()) { |
| 41 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 42 | DCHECK(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 43 | } |
| 44 | } |
| 45 | #endif |
| 46 | |
| 47 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 48 | bool LInstruction::HasDoubleRegisterResult() { |
| 49 | return HasResult() && result()->IsDoubleRegister(); |
| 50 | } |
| 51 | |
| 52 | |
| 53 | bool LInstruction::HasDoubleRegisterInput() { |
| 54 | for (int i = 0; i < InputCount(); i++) { |
| 55 | LOperand* op = InputAt(i); |
| 56 | if (op != NULL && op->IsDoubleRegister()) { |
| 57 | return true; |
| 58 | } |
| 59 | } |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 64 | void LInstruction::PrintTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 65 | stream->Add("%s ", this->Mnemonic()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 66 | |
| 67 | PrintOutputOperandTo(stream); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 68 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 69 | PrintDataTo(stream); |
| 70 | |
| 71 | if (HasEnvironment()) { |
| 72 | stream->Add(" "); |
| 73 | environment()->PrintTo(stream); |
| 74 | } |
| 75 | |
| 76 | if (HasPointerMap()) { |
| 77 | stream->Add(" "); |
| 78 | pointer_map()->PrintTo(stream); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 83 | void LInstruction::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 84 | stream->Add("= "); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 85 | for (int i = 0; i < InputCount(); i++) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 86 | if (i > 0) stream->Add(" "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 87 | if (InputAt(i) == NULL) { |
| 88 | stream->Add("NULL"); |
| 89 | } else { |
| 90 | InputAt(i)->PrintTo(stream); |
| 91 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 92 | } |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 96 | void LInstruction::PrintOutputOperandTo(StringStream* stream) { |
| 97 | if (HasResult()) result()->PrintTo(stream); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | |
| 101 | void LLabel::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 102 | LGap::PrintDataTo(stream); |
| 103 | LLabel* rep = replacement(); |
| 104 | if (rep != NULL) { |
| 105 | stream->Add(" Dead block replaced with B%d", rep->block_id()); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 110 | bool LGap::IsRedundant() const { |
| 111 | for (int i = 0; i < 4; i++) { |
| 112 | if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) { |
| 113 | return false; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | return true; |
| 118 | } |
| 119 | |
| 120 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 121 | void LGap::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 122 | for (int i = 0; i < 4; i++) { |
| 123 | stream->Add("("); |
| 124 | if (parallel_moves_[i] != NULL) { |
| 125 | parallel_moves_[i]->PrintDataTo(stream); |
| 126 | } |
| 127 | stream->Add(") "); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | |
| 132 | const char* LArithmeticD::Mnemonic() const { |
| 133 | switch (op()) { |
| 134 | case Token::ADD: return "add-d"; |
| 135 | case Token::SUB: return "sub-d"; |
| 136 | case Token::MUL: return "mul-d"; |
| 137 | case Token::DIV: return "div-d"; |
| 138 | case Token::MOD: return "mod-d"; |
| 139 | default: |
| 140 | UNREACHABLE(); |
| 141 | return NULL; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | |
| 146 | const char* LArithmeticT::Mnemonic() const { |
| 147 | switch (op()) { |
| 148 | case Token::ADD: return "add-t"; |
| 149 | case Token::SUB: return "sub-t"; |
| 150 | case Token::MUL: return "mul-t"; |
| 151 | case Token::MOD: return "mod-t"; |
| 152 | case Token::DIV: return "div-t"; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 153 | case Token::BIT_AND: return "bit-and-t"; |
| 154 | case Token::BIT_OR: return "bit-or-t"; |
| 155 | case Token::BIT_XOR: return "bit-xor-t"; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 156 | case Token::ROR: return "ror-t"; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 157 | case Token::SHL: return "sal-t"; |
| 158 | case Token::SAR: return "sar-t"; |
| 159 | case Token::SHR: return "shr-t"; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 160 | default: |
| 161 | UNREACHABLE(); |
| 162 | return NULL; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 167 | bool LGoto::HasInterestingComment(LCodeGen* gen) const { |
| 168 | return !gen->IsNextEmittedBlock(block_id()); |
| 169 | } |
| 170 | |
| 171 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 172 | void LGoto::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 173 | stream->Add("B%d", block_id()); |
| 174 | } |
| 175 | |
| 176 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 177 | void LBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 178 | 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] | 179 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 180 | } |
| 181 | |
| 182 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 183 | void LCompareNumericAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 184 | stream->Add("if "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 185 | left()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 186 | stream->Add(" %s ", Token::String(op())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 187 | right()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 188 | stream->Add(" then B%d else B%d", true_block_id(), false_block_id()); |
| 189 | } |
| 190 | |
| 191 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 192 | void LIsObjectAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 193 | stream->Add("if is_object("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 194 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 195 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 196 | } |
| 197 | |
| 198 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 199 | void LIsStringAndBranch::PrintDataTo(StringStream* stream) { |
| 200 | stream->Add("if is_string("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 201 | value()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 202 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 203 | } |
| 204 | |
| 205 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 206 | void LIsSmiAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 207 | stream->Add("if is_smi("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 208 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 209 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 210 | } |
| 211 | |
| 212 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 213 | void LIsUndetectableAndBranch::PrintDataTo(StringStream* stream) { |
| 214 | stream->Add("if is_undetectable("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 215 | value()->PrintTo(stream); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 216 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 217 | } |
| 218 | |
| 219 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 220 | void LStringCompareAndBranch::PrintDataTo(StringStream* stream) { |
| 221 | stream->Add("if string_compare("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 222 | left()->PrintTo(stream); |
| 223 | right()->PrintTo(stream); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 224 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 225 | } |
| 226 | |
| 227 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 228 | void LHasInstanceTypeAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 229 | stream->Add("if has_instance_type("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 230 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 231 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 232 | } |
| 233 | |
| 234 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 235 | void LHasCachedArrayIndexAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 236 | stream->Add("if has_cached_array_index("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 237 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 238 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 239 | } |
| 240 | |
| 241 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 242 | void LClassOfTestAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 243 | stream->Add("if class_of_test("); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 244 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 245 | stream->Add(", \"%o\") then B%d else B%d", |
| 246 | *hydrogen()->class_name(), |
| 247 | true_block_id(), |
| 248 | false_block_id()); |
| 249 | } |
| 250 | |
| 251 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 252 | void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 253 | stream->Add("if typeof "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 254 | value()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 255 | stream->Add(" == \"%s\" then B%d else B%d", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 256 | hydrogen()->type_literal()->ToCString().get(), |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 257 | true_block_id(), false_block_id()); |
| 258 | } |
| 259 | |
| 260 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 261 | void LStoreCodeEntry::PrintDataTo(StringStream* stream) { |
| 262 | stream->Add(" = "); |
| 263 | function()->PrintTo(stream); |
| 264 | stream->Add(".code_entry = "); |
| 265 | code_object()->PrintTo(stream); |
| 266 | } |
| 267 | |
| 268 | |
| 269 | void LInnerAllocatedObject::PrintDataTo(StringStream* stream) { |
| 270 | stream->Add(" = "); |
| 271 | base_object()->PrintTo(stream); |
| 272 | stream->Add(" + "); |
| 273 | offset()->PrintTo(stream); |
| 274 | } |
| 275 | |
| 276 | |
| 277 | void LCallJSFunction::PrintDataTo(StringStream* stream) { |
| 278 | stream->Add("= "); |
| 279 | function()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 280 | stream->Add("#%d / ", arity()); |
| 281 | } |
| 282 | |
| 283 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 284 | void LCallWithDescriptor::PrintDataTo(StringStream* stream) { |
| 285 | for (int i = 0; i < InputCount(); i++) { |
| 286 | InputAt(i)->PrintTo(stream); |
| 287 | stream->Add(" "); |
| 288 | } |
| 289 | stream->Add("#%d / ", arity()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 293 | void LLoadContextSlot::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 294 | context()->PrintTo(stream); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 295 | stream->Add("[%d]", slot_index()); |
| 296 | } |
| 297 | |
| 298 | |
| 299 | void LStoreContextSlot::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 300 | context()->PrintTo(stream); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 301 | stream->Add("[%d] <- ", slot_index()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 302 | value()->PrintTo(stream); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 306 | void LInvokeFunction::PrintDataTo(StringStream* stream) { |
| 307 | stream->Add("= "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 308 | context()->PrintTo(stream); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 309 | stream->Add(" "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 310 | function()->PrintTo(stream); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 311 | stream->Add(" #%d / ", arity()); |
| 312 | } |
| 313 | |
| 314 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 315 | void LCallNew::PrintDataTo(StringStream* stream) { |
| 316 | stream->Add("= "); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 317 | context()->PrintTo(stream); |
| 318 | stream->Add(" "); |
| 319 | constructor()->PrintTo(stream); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 320 | stream->Add(" #%d / ", arity()); |
| 321 | } |
| 322 | |
| 323 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 324 | void LCallNewArray::PrintDataTo(StringStream* stream) { |
| 325 | stream->Add("= "); |
| 326 | context()->PrintTo(stream); |
| 327 | stream->Add(" "); |
| 328 | constructor()->PrintTo(stream); |
| 329 | stream->Add(" #%d / ", arity()); |
| 330 | ElementsKind kind = hydrogen()->elements_kind(); |
| 331 | stream->Add(" (%s) ", ElementsKindToString(kind)); |
| 332 | } |
| 333 | |
| 334 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 335 | void LAccessArgumentsAt::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 336 | arguments()->PrintTo(stream); |
| 337 | |
| 338 | stream->Add(" length "); |
| 339 | length()->PrintTo(stream); |
| 340 | |
| 341 | stream->Add(" index "); |
| 342 | index()->PrintTo(stream); |
| 343 | } |
| 344 | |
| 345 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 346 | int LPlatformChunk::GetNextSpillIndex(RegisterKind kind) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 347 | // Skip a slot if for a double-width slot. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 348 | if (kind == DOUBLE_REGISTERS) { |
| 349 | spill_slot_count_++; |
| 350 | spill_slot_count_ |= 1; |
| 351 | num_double_slots_++; |
| 352 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 353 | return spill_slot_count_++; |
| 354 | } |
| 355 | |
| 356 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 357 | LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) { |
| 358 | int index = GetNextSpillIndex(kind); |
| 359 | if (kind == DOUBLE_REGISTERS) { |
| 360 | return LDoubleStackSlot::Create(index, zone()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 361 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 362 | DCHECK(kind == GENERAL_REGISTERS); |
| 363 | return LStackSlot::Create(index, zone()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 364 | } |
| 365 | } |
| 366 | |
| 367 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 368 | void LStoreNamedField::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 369 | object()->PrintTo(stream); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 370 | std::ostringstream os; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 371 | os << hydrogen()->access() << " <- "; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 372 | stream->Add(os.str().c_str()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 373 | value()->PrintTo(stream); |
| 374 | } |
| 375 | |
| 376 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 377 | void LStoreNamedGeneric::PrintDataTo(StringStream* stream) { |
| 378 | object()->PrintTo(stream); |
| 379 | stream->Add("."); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 380 | stream->Add(String::cast(*name())->ToCString().get()); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 381 | stream->Add(" <- "); |
| 382 | value()->PrintTo(stream); |
| 383 | } |
| 384 | |
| 385 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 386 | void LLoadKeyed::PrintDataTo(StringStream* stream) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 387 | elements()->PrintTo(stream); |
| 388 | stream->Add("["); |
| 389 | key()->PrintTo(stream); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 390 | if (hydrogen()->IsDehoisted()) { |
| 391 | stream->Add(" + %d]", base_offset()); |
| 392 | } else { |
| 393 | stream->Add("]"); |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | |
| 398 | void LStoreKeyed::PrintDataTo(StringStream* stream) { |
| 399 | elements()->PrintTo(stream); |
| 400 | stream->Add("["); |
| 401 | key()->PrintTo(stream); |
| 402 | if (hydrogen()->IsDehoisted()) { |
| 403 | stream->Add(" + %d] <-", base_offset()); |
| 404 | } else { |
| 405 | stream->Add("] <- "); |
| 406 | } |
| 407 | |
| 408 | if (value() == NULL) { |
| 409 | DCHECK(hydrogen()->IsConstantHoleStore() && |
| 410 | hydrogen()->value()->representation().IsDouble()); |
| 411 | stream->Add("<the hole(nan)>"); |
| 412 | } else { |
| 413 | value()->PrintTo(stream); |
| 414 | } |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 415 | } |
| 416 | |
| 417 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 418 | void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 419 | object()->PrintTo(stream); |
| 420 | stream->Add("["); |
| 421 | key()->PrintTo(stream); |
| 422 | stream->Add("] <- "); |
| 423 | value()->PrintTo(stream); |
| 424 | } |
| 425 | |
| 426 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 427 | void LTransitionElementsKind::PrintDataTo(StringStream* stream) { |
| 428 | object()->PrintTo(stream); |
| 429 | stream->Add(" %p -> %p", *original_map(), *transitioned_map()); |
| 430 | } |
| 431 | |
| 432 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 433 | LPlatformChunk* LChunkBuilder::Build() { |
| 434 | DCHECK(is_unused()); |
| 435 | chunk_ = new(zone()) LPlatformChunk(info(), graph()); |
| 436 | LPhase phase("L_Building chunk", chunk_); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 437 | status_ = BUILDING; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 438 | |
| 439 | // Reserve the first spill slot for the state of dynamic alignment. |
| 440 | if (info()->IsOptimizing()) { |
| 441 | int alignment_state_index = chunk_->GetNextSpillIndex(GENERAL_REGISTERS); |
| 442 | DCHECK_EQ(alignment_state_index, 0); |
| 443 | USE(alignment_state_index); |
| 444 | } |
| 445 | |
| 446 | // If compiling for OSR, reserve space for the unoptimized frame, |
| 447 | // which will be subsumed into this frame. |
| 448 | if (graph()->has_osr()) { |
| 449 | for (int i = graph()->osr()->UnoptimizedFrameSlots(); i > 0; i--) { |
| 450 | chunk_->GetNextSpillIndex(GENERAL_REGISTERS); |
| 451 | } |
| 452 | } |
| 453 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 454 | const ZoneList<HBasicBlock*>* blocks = graph()->blocks(); |
| 455 | for (int i = 0; i < blocks->length(); i++) { |
| 456 | HBasicBlock* next = NULL; |
| 457 | if (i < blocks->length() - 1) next = blocks->at(i + 1); |
| 458 | DoBasicBlock(blocks->at(i), next); |
| 459 | if (is_aborted()) return NULL; |
| 460 | } |
| 461 | status_ = DONE; |
| 462 | return chunk_; |
| 463 | } |
| 464 | |
| 465 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 466 | LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 467 | return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
| 468 | Register::ToAllocationIndex(reg)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | |
| 472 | LUnallocated* LChunkBuilder::ToUnallocated(XMMRegister reg) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 473 | return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
| 474 | XMMRegister::ToAllocationIndex(reg)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 475 | } |
| 476 | |
| 477 | |
| 478 | LOperand* LChunkBuilder::UseFixed(HValue* value, Register fixed_register) { |
| 479 | return Use(value, ToUnallocated(fixed_register)); |
| 480 | } |
| 481 | |
| 482 | |
| 483 | LOperand* LChunkBuilder::UseFixedDouble(HValue* value, XMMRegister reg) { |
| 484 | return Use(value, ToUnallocated(reg)); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | LOperand* LChunkBuilder::UseRegister(HValue* value) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 489 | return Use(value, new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 490 | } |
| 491 | |
| 492 | |
| 493 | LOperand* LChunkBuilder::UseRegisterAtStart(HValue* value) { |
| 494 | return Use(value, |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 495 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER, |
| 496 | LUnallocated::USED_AT_START)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | |
| 500 | LOperand* LChunkBuilder::UseTempRegister(HValue* value) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 501 | return Use(value, new(zone()) LUnallocated(LUnallocated::WRITABLE_REGISTER)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | |
| 505 | LOperand* LChunkBuilder::Use(HValue* value) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 506 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | |
| 510 | LOperand* LChunkBuilder::UseAtStart(HValue* value) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 511 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE, |
| 512 | LUnallocated::USED_AT_START)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 513 | } |
| 514 | |
| 515 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 516 | static inline bool CanBeImmediateConstant(HValue* value) { |
| 517 | return value->IsConstant() && HConstant::cast(value)->NotInNewSpace(); |
| 518 | } |
| 519 | |
| 520 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 521 | LOperand* LChunkBuilder::UseOrConstant(HValue* value) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 522 | return CanBeImmediateConstant(value) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 523 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 524 | : Use(value); |
| 525 | } |
| 526 | |
| 527 | |
| 528 | LOperand* LChunkBuilder::UseOrConstantAtStart(HValue* value) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 529 | return CanBeImmediateConstant(value) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 530 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 531 | : UseAtStart(value); |
| 532 | } |
| 533 | |
| 534 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 535 | LOperand* LChunkBuilder::UseFixedOrConstant(HValue* value, |
| 536 | Register fixed_register) { |
| 537 | return CanBeImmediateConstant(value) |
| 538 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 539 | : UseFixed(value, fixed_register); |
| 540 | } |
| 541 | |
| 542 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 543 | LOperand* LChunkBuilder::UseRegisterOrConstant(HValue* value) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 544 | return CanBeImmediateConstant(value) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 545 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 546 | : UseRegister(value); |
| 547 | } |
| 548 | |
| 549 | |
| 550 | LOperand* LChunkBuilder::UseRegisterOrConstantAtStart(HValue* value) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 551 | return CanBeImmediateConstant(value) |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 552 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 553 | : UseRegisterAtStart(value); |
| 554 | } |
| 555 | |
| 556 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 557 | LOperand* LChunkBuilder::UseConstant(HValue* value) { |
| 558 | return chunk_->DefineConstantOperand(HConstant::cast(value)); |
| 559 | } |
| 560 | |
| 561 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 562 | LOperand* LChunkBuilder::UseAny(HValue* value) { |
| 563 | return value->IsConstant() |
| 564 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 565 | : Use(value, new(zone()) LUnallocated(LUnallocated::ANY)); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 569 | LOperand* LChunkBuilder::Use(HValue* value, LUnallocated* operand) { |
| 570 | if (value->EmitAtUses()) { |
| 571 | HInstruction* instr = HInstruction::cast(value); |
| 572 | VisitInstruction(instr); |
| 573 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 574 | operand->set_virtual_register(value->id()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 575 | return operand; |
| 576 | } |
| 577 | |
| 578 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 579 | LInstruction* LChunkBuilder::Define(LTemplateResultInstruction<1>* instr, |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 580 | LUnallocated* result) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 581 | result->set_virtual_register(current_instruction_->id()); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 582 | instr->set_result(result); |
| 583 | return instr; |
| 584 | } |
| 585 | |
| 586 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 587 | LInstruction* LChunkBuilder::DefineAsRegister( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 588 | LTemplateResultInstruction<1>* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 589 | return Define(instr, |
| 590 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 591 | } |
| 592 | |
| 593 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 594 | LInstruction* LChunkBuilder::DefineAsSpilled( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 595 | LTemplateResultInstruction<1>* instr, |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 596 | int index) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 597 | return Define(instr, |
| 598 | new(zone()) LUnallocated(LUnallocated::FIXED_SLOT, index)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 599 | } |
| 600 | |
| 601 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 602 | LInstruction* LChunkBuilder::DefineSameAsFirst( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 603 | LTemplateResultInstruction<1>* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 604 | return Define(instr, |
| 605 | new(zone()) LUnallocated(LUnallocated::SAME_AS_FIRST_INPUT)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 606 | } |
| 607 | |
| 608 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 609 | LInstruction* LChunkBuilder::DefineFixed(LTemplateResultInstruction<1>* instr, |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 610 | Register reg) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 611 | return Define(instr, ToUnallocated(reg)); |
| 612 | } |
| 613 | |
| 614 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 615 | LInstruction* LChunkBuilder::DefineFixedDouble( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 616 | LTemplateResultInstruction<1>* instr, |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 617 | XMMRegister reg) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 618 | return Define(instr, ToUnallocated(reg)); |
| 619 | } |
| 620 | |
| 621 | |
| 622 | LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) { |
| 623 | HEnvironment* hydrogen_env = current_block_->last_environment(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 624 | int argument_index_accumulator = 0; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 625 | ZoneList<HValue*> objects_to_materialize(0, zone()); |
| 626 | instr->set_environment(CreateEnvironment( |
| 627 | hydrogen_env, &argument_index_accumulator, &objects_to_materialize)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 628 | return instr; |
| 629 | } |
| 630 | |
| 631 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 632 | LInstruction* LChunkBuilder::MarkAsCall(LInstruction* instr, |
| 633 | HInstruction* hinstr, |
| 634 | CanDeoptimize can_deoptimize) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 635 | info()->MarkAsNonDeferredCalling(); |
| 636 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 637 | #ifdef DEBUG |
| 638 | instr->VerifyCall(); |
| 639 | #endif |
| 640 | instr->MarkAsCall(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 641 | instr = AssignPointerMap(instr); |
| 642 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 643 | // If instruction does not have side-effects lazy deoptimization |
| 644 | // after the call will try to deoptimize to the point before the call. |
| 645 | // Thus we still need to attach environment to this call even if |
| 646 | // call sequence can not deoptimize eagerly. |
| 647 | bool needs_environment = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 648 | (can_deoptimize == CAN_DEOPTIMIZE_EAGERLY) || |
| 649 | !hinstr->HasObservableSideEffects(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 650 | if (needs_environment && !instr->HasEnvironment()) { |
| 651 | instr = AssignEnvironment(instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 652 | // We can't really figure out if the environment is needed or not. |
| 653 | instr->environment()->set_has_been_used(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | return instr; |
| 657 | } |
| 658 | |
| 659 | |
| 660 | LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 661 | DCHECK(!instr->HasPointerMap()); |
| 662 | instr->set_pointer_map(new(zone()) LPointerMap(zone())); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 663 | return instr; |
| 664 | } |
| 665 | |
| 666 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 667 | LUnallocated* LChunkBuilder::TempRegister() { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 668 | LUnallocated* operand = |
| 669 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 670 | int vreg = allocator_->GetVirtualRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 671 | if (!allocator_->AllocationOk()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 672 | Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister); |
| 673 | vreg = 0; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 674 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 675 | operand->set_virtual_register(vreg); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 676 | return operand; |
| 677 | } |
| 678 | |
| 679 | |
| 680 | LOperand* LChunkBuilder::FixedTemp(Register reg) { |
| 681 | LUnallocated* operand = ToUnallocated(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 682 | DCHECK(operand->HasFixedPolicy()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 683 | return operand; |
| 684 | } |
| 685 | |
| 686 | |
| 687 | LOperand* LChunkBuilder::FixedTemp(XMMRegister reg) { |
| 688 | LUnallocated* operand = ToUnallocated(reg); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 689 | DCHECK(operand->HasFixedPolicy()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 690 | return operand; |
| 691 | } |
| 692 | |
| 693 | |
| 694 | LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 695 | return new(zone()) LLabel(instr->block()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 696 | } |
| 697 | |
| 698 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 699 | LInstruction* LChunkBuilder::DoDummyUse(HDummyUse* instr) { |
| 700 | return DefineAsRegister(new(zone()) LDummyUse(UseAny(instr->value()))); |
| 701 | } |
| 702 | |
| 703 | |
| 704 | LInstruction* LChunkBuilder::DoEnvironmentMarker(HEnvironmentMarker* instr) { |
| 705 | UNREACHABLE(); |
| 706 | return NULL; |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 707 | } |
| 708 | |
| 709 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 710 | LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 711 | return AssignEnvironment(new(zone()) LDeoptimize); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 712 | } |
| 713 | |
| 714 | |
| 715 | LInstruction* LChunkBuilder::DoShift(Token::Value op, |
| 716 | HBitwiseBinaryOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 717 | if (instr->representation().IsSmiOrInteger32()) { |
| 718 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 719 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 720 | LOperand* left = UseRegisterAtStart(instr->left()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 721 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 722 | HValue* right_value = instr->right(); |
| 723 | LOperand* right = NULL; |
| 724 | int constant_value = 0; |
| 725 | bool does_deopt = false; |
| 726 | if (right_value->IsConstant()) { |
| 727 | HConstant* constant = HConstant::cast(right_value); |
| 728 | right = chunk_->DefineConstantOperand(constant); |
| 729 | constant_value = constant->Integer32Value() & 0x1f; |
| 730 | // Left shifts can deoptimize if we shift by > 0 and the result cannot be |
| 731 | // truncated to smi. |
| 732 | if (instr->representation().IsSmi() && constant_value > 0) { |
| 733 | does_deopt = !instr->CheckUsesForFlag(HValue::kTruncatingToSmi); |
| 734 | } |
| 735 | } else { |
| 736 | right = UseFixed(right_value, ecx); |
| 737 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 738 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 739 | // Shift operations can only deoptimize if we do a logical shift by 0 and |
| 740 | // the result cannot be truncated to int32. |
| 741 | if (op == Token::SHR && constant_value == 0) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 742 | does_deopt = !instr->CheckFlag(HInstruction::kUint32); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 743 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 744 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 745 | LInstruction* result = |
| 746 | DefineSameAsFirst(new(zone()) LShiftI(op, left, right, does_deopt)); |
| 747 | return does_deopt ? AssignEnvironment(result) : result; |
| 748 | } else { |
| 749 | return DoArithmeticT(op, instr); |
| 750 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | |
| 754 | LInstruction* LChunkBuilder::DoArithmeticD(Token::Value op, |
| 755 | HArithmeticBinaryOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 756 | DCHECK(instr->representation().IsDouble()); |
| 757 | DCHECK(instr->left()->representation().IsDouble()); |
| 758 | DCHECK(instr->right()->representation().IsDouble()); |
| 759 | if (op == Token::MOD) { |
| 760 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 761 | LOperand* right = UseRegisterAtStart(instr->BetterRightOperand()); |
| 762 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
| 763 | return MarkAsCall(DefineSameAsFirst(result), instr); |
| 764 | } else { |
| 765 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 766 | LOperand* right = UseRegisterAtStart(instr->BetterRightOperand()); |
| 767 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
| 768 | return DefineSameAsFirst(result); |
| 769 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 770 | } |
| 771 | |
| 772 | |
| 773 | LInstruction* LChunkBuilder::DoArithmeticT(Token::Value op, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 774 | HBinaryOperation* instr) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 775 | HValue* left = instr->left(); |
| 776 | HValue* right = instr->right(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 777 | DCHECK(left->representation().IsTagged()); |
| 778 | DCHECK(right->representation().IsTagged()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 779 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 780 | LOperand* left_operand = UseFixed(left, edx); |
| 781 | LOperand* right_operand = UseFixed(right, eax); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 782 | LArithmeticT* result = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 783 | new(zone()) LArithmeticT(op, context, left_operand, right_operand); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 784 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 785 | } |
| 786 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 787 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 788 | void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 789 | DCHECK(is_building()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 790 | current_block_ = block; |
| 791 | next_block_ = next_block; |
| 792 | if (block->IsStartBlock()) { |
| 793 | block->UpdateEnvironment(graph_->start_environment()); |
| 794 | argument_count_ = 0; |
| 795 | } else if (block->predecessors()->length() == 1) { |
| 796 | // We have a single predecessor => copy environment and outgoing |
| 797 | // argument count from the predecessor. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 798 | DCHECK(block->phis()->length() == 0); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 799 | HBasicBlock* pred = block->predecessors()->at(0); |
| 800 | HEnvironment* last_environment = pred->last_environment(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 801 | DCHECK(last_environment != NULL); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 802 | // Only copy the environment, if it is later used again. |
| 803 | if (pred->end()->SecondSuccessor() == NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 804 | DCHECK(pred->end()->FirstSuccessor() == block); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 805 | } else { |
| 806 | if (pred->end()->FirstSuccessor()->block_id() > block->block_id() || |
| 807 | pred->end()->SecondSuccessor()->block_id() > block->block_id()) { |
| 808 | last_environment = last_environment->Copy(); |
| 809 | } |
| 810 | } |
| 811 | block->UpdateEnvironment(last_environment); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 812 | DCHECK(pred->argument_count() >= 0); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 813 | argument_count_ = pred->argument_count(); |
| 814 | } else { |
| 815 | // We are at a state join => process phis. |
| 816 | HBasicBlock* pred = block->predecessors()->at(0); |
| 817 | // No need to copy the environment, it cannot be used later. |
| 818 | HEnvironment* last_environment = pred->last_environment(); |
| 819 | for (int i = 0; i < block->phis()->length(); ++i) { |
| 820 | HPhi* phi = block->phis()->at(i); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 821 | if (phi->HasMergedIndex()) { |
| 822 | last_environment->SetValueAt(phi->merged_index(), phi); |
| 823 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 824 | } |
| 825 | for (int i = 0; i < block->deleted_phis()->length(); ++i) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 826 | if (block->deleted_phis()->at(i) < last_environment->length()) { |
| 827 | last_environment->SetValueAt(block->deleted_phis()->at(i), |
| 828 | graph_->GetConstantUndefined()); |
| 829 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 830 | } |
| 831 | block->UpdateEnvironment(last_environment); |
| 832 | // Pick up the outgoing argument count of one of the predecessors. |
| 833 | argument_count_ = pred->argument_count(); |
| 834 | } |
| 835 | HInstruction* current = block->first(); |
| 836 | int start = chunk_->instructions()->length(); |
| 837 | while (current != NULL && !is_aborted()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 838 | // Code for constants in registers is generated lazily. |
| 839 | if (!current->EmitAtUses()) { |
| 840 | VisitInstruction(current); |
| 841 | } |
| 842 | current = current->next(); |
| 843 | } |
| 844 | int end = chunk_->instructions()->length() - 1; |
| 845 | if (end >= start) { |
| 846 | block->set_first_instruction_index(start); |
| 847 | block->set_last_instruction_index(end); |
| 848 | } |
| 849 | block->set_argument_count(argument_count_); |
| 850 | next_block_ = NULL; |
| 851 | current_block_ = NULL; |
| 852 | } |
| 853 | |
| 854 | |
| 855 | void LChunkBuilder::VisitInstruction(HInstruction* current) { |
| 856 | HInstruction* old_current = current_instruction_; |
| 857 | current_instruction_ = current; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 858 | |
| 859 | LInstruction* instr = NULL; |
| 860 | if (current->CanReplaceWithDummyUses()) { |
| 861 | if (current->OperandCount() == 0) { |
| 862 | instr = DefineAsRegister(new(zone()) LDummy()); |
| 863 | } else { |
| 864 | DCHECK(!current->OperandAt(0)->IsControlInstruction()); |
| 865 | instr = DefineAsRegister(new(zone()) |
| 866 | LDummyUse(UseAny(current->OperandAt(0)))); |
| 867 | } |
| 868 | for (int i = 1; i < current->OperandCount(); ++i) { |
| 869 | if (current->OperandAt(i)->IsControlInstruction()) continue; |
| 870 | LInstruction* dummy = |
| 871 | new(zone()) LDummyUse(UseAny(current->OperandAt(i))); |
| 872 | dummy->set_hydrogen_value(current); |
| 873 | chunk_->AddInstruction(dummy, current_block_); |
| 874 | } |
| 875 | } else { |
| 876 | HBasicBlock* successor; |
| 877 | if (current->IsControlInstruction() && |
| 878 | HControlInstruction::cast(current)->KnownSuccessorBlock(&successor) && |
| 879 | successor != NULL) { |
| 880 | instr = new(zone()) LGoto(successor); |
| 881 | } else { |
| 882 | instr = current->CompileToLithium(this); |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | argument_count_ += current->argument_delta(); |
| 887 | DCHECK(argument_count_ >= 0); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 888 | |
| 889 | if (instr != NULL) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 890 | AddInstruction(instr, current); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 891 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 892 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 893 | current_instruction_ = old_current; |
| 894 | } |
| 895 | |
| 896 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 897 | void LChunkBuilder::AddInstruction(LInstruction* instr, |
| 898 | HInstruction* hydrogen_val) { |
| 899 | // Associate the hydrogen instruction first, since we may need it for |
| 900 | // the ClobbersRegisters() or ClobbersDoubleRegisters() calls below. |
| 901 | instr->set_hydrogen_value(hydrogen_val); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 902 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 903 | #if DEBUG |
| 904 | // Make sure that the lithium instruction has either no fixed register |
| 905 | // constraints in temps or the result OR no uses that are only used at |
| 906 | // start. If this invariant doesn't hold, the register allocator can decide |
| 907 | // to insert a split of a range immediately before the instruction due to an |
| 908 | // already allocated register needing to be used for the instruction's fixed |
| 909 | // register constraint. In this case, The register allocator won't see an |
| 910 | // interference between the split child and the use-at-start (it would if |
| 911 | // the it was just a plain use), so it is free to move the split child into |
| 912 | // the same register that is used for the use-at-start. |
| 913 | // See https://code.google.com/p/chromium/issues/detail?id=201590 |
| 914 | if (!(instr->ClobbersRegisters() && |
| 915 | instr->ClobbersDoubleRegisters(isolate()))) { |
| 916 | int fixed = 0; |
| 917 | int used_at_start = 0; |
| 918 | for (UseIterator it(instr); !it.Done(); it.Advance()) { |
| 919 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 920 | if (operand->IsUsedAtStart()) ++used_at_start; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 921 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 922 | if (instr->Output() != NULL) { |
| 923 | if (LUnallocated::cast(instr->Output())->HasFixedPolicy()) ++fixed; |
| 924 | } |
| 925 | for (TempIterator it(instr); !it.Done(); it.Advance()) { |
| 926 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 927 | if (operand->HasFixedPolicy()) ++fixed; |
| 928 | } |
| 929 | DCHECK(fixed == 0 || used_at_start == 0); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 930 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 931 | #endif |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 932 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 933 | if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) { |
| 934 | instr = AssignPointerMap(instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 935 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 936 | if (FLAG_stress_environments && !instr->HasEnvironment()) { |
| 937 | instr = AssignEnvironment(instr); |
| 938 | } |
| 939 | chunk_->AddInstruction(instr, current_block_); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 940 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 941 | if (instr->IsCall()) { |
| 942 | HValue* hydrogen_value_for_lazy_bailout = hydrogen_val; |
| 943 | LInstruction* instruction_needing_environment = NULL; |
| 944 | if (hydrogen_val->HasObservableSideEffects()) { |
| 945 | HSimulate* sim = HSimulate::cast(hydrogen_val->next()); |
| 946 | instruction_needing_environment = instr; |
| 947 | sim->ReplayEnvironment(current_block_->last_environment()); |
| 948 | hydrogen_value_for_lazy_bailout = sim; |
| 949 | } |
| 950 | LInstruction* bailout = AssignEnvironment(new(zone()) LLazyBailout()); |
| 951 | bailout->set_hydrogen_value(hydrogen_value_for_lazy_bailout); |
| 952 | chunk_->AddInstruction(bailout, current_block_); |
| 953 | if (instruction_needing_environment != NULL) { |
| 954 | // Store the lazy deopt environment with the instruction if needed. |
| 955 | // Right now it is only used for LInstanceOfKnownGlobal. |
| 956 | instruction_needing_environment-> |
| 957 | SetDeferredLazyDeoptimizationEnvironment(bailout->environment()); |
| 958 | } |
| 959 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 960 | } |
| 961 | |
| 962 | |
| 963 | LInstruction* LChunkBuilder::DoGoto(HGoto* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 964 | return new(zone()) LGoto(instr->FirstSuccessor()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 965 | } |
| 966 | |
| 967 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 968 | LInstruction* LChunkBuilder::DoBranch(HBranch* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 969 | HValue* value = instr->value(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 970 | Representation r = value->representation(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 971 | HType type = value->type(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 972 | ToBooleanStub::Types expected = instr->expected_input_types(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 973 | if (expected.IsEmpty()) expected = ToBooleanStub::Types::Generic(); |
| 974 | |
| 975 | bool easy_case = !r.IsTagged() || type.IsBoolean() || type.IsSmi() || |
| 976 | type.IsJSArray() || type.IsHeapNumber() || type.IsString(); |
| 977 | LOperand* temp = !easy_case && expected.NeedsMap() ? TempRegister() : NULL; |
| 978 | LInstruction* branch = new(zone()) LBranch(UseRegister(value), temp); |
| 979 | if (!easy_case && |
| 980 | ((!expected.Contains(ToBooleanStub::SMI) && expected.NeedsMap()) || |
| 981 | !expected.IsGeneric())) { |
| 982 | branch = AssignEnvironment(branch); |
| 983 | } |
| 984 | return branch; |
| 985 | } |
| 986 | |
| 987 | |
| 988 | LInstruction* LChunkBuilder::DoDebugBreak(HDebugBreak* instr) { |
| 989 | return new(zone()) LDebugBreak(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 993 | LInstruction* LChunkBuilder::DoCompareMap(HCompareMap* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 994 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 995 | LOperand* value = UseRegisterAtStart(instr->value()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 996 | return new(zone()) LCmpMapAndBranch(value); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | |
| 1000 | LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1001 | info()->MarkAsRequiresFrame(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1002 | return DefineAsRegister(new(zone()) LArgumentsLength(Use(length->value()))); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1003 | } |
| 1004 | |
| 1005 | |
| 1006 | LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1007 | info()->MarkAsRequiresFrame(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1008 | return DefineAsRegister(new(zone()) LArgumentsElements); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1009 | } |
| 1010 | |
| 1011 | |
| 1012 | LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1013 | LOperand* left = UseFixed(instr->left(), InstanceofStub::left()); |
| 1014 | LOperand* right = UseFixed(instr->right(), InstanceofStub::right()); |
| 1015 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1016 | LInstanceOf* result = new(zone()) LInstanceOf(context, left, right); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1017 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1018 | } |
| 1019 | |
| 1020 | |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 1021 | LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal( |
| 1022 | HInstanceOfKnownGlobal* instr) { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 1023 | LInstanceOfKnownGlobal* result = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1024 | new(zone()) LInstanceOfKnownGlobal( |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1025 | UseFixed(instr->context(), esi), |
| 1026 | UseFixed(instr->left(), InstanceofStub::left()), |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 1027 | FixedTemp(edi)); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1028 | return MarkAsCall(DefineFixed(result, eax), instr); |
Ben Murdoch | 086aeea | 2011-05-13 15:57:08 +0100 | [diff] [blame] | 1029 | } |
| 1030 | |
| 1031 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1032 | LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
| 1033 | LOperand* receiver = UseRegister(instr->receiver()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1034 | LOperand* function = UseRegister(instr->function()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1035 | LOperand* temp = TempRegister(); |
| 1036 | LWrapReceiver* result = |
| 1037 | new(zone()) LWrapReceiver(receiver, function, temp); |
| 1038 | return AssignEnvironment(DefineSameAsFirst(result)); |
| 1039 | } |
| 1040 | |
| 1041 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1042 | LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) { |
| 1043 | LOperand* function = UseFixed(instr->function(), edi); |
| 1044 | LOperand* receiver = UseFixed(instr->receiver(), eax); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1045 | LOperand* length = UseFixed(instr->length(), ebx); |
| 1046 | LOperand* elements = UseFixed(instr->elements(), ecx); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1047 | LApplyArguments* result = new(zone()) LApplyArguments(function, |
| 1048 | receiver, |
| 1049 | length, |
| 1050 | elements); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1051 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 1052 | } |
| 1053 | |
| 1054 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1055 | LInstruction* LChunkBuilder::DoPushArguments(HPushArguments* instr) { |
| 1056 | int argc = instr->OperandCount(); |
| 1057 | for (int i = 0; i < argc; ++i) { |
| 1058 | LOperand* argument = UseAny(instr->argument(i)); |
| 1059 | AddInstruction(new(zone()) LPushArgument(argument), instr); |
| 1060 | } |
| 1061 | return NULL; |
| 1062 | } |
| 1063 | |
| 1064 | |
| 1065 | LInstruction* LChunkBuilder::DoStoreCodeEntry( |
| 1066 | HStoreCodeEntry* store_code_entry) { |
| 1067 | LOperand* function = UseRegister(store_code_entry->function()); |
| 1068 | LOperand* code_object = UseTempRegister(store_code_entry->code_object()); |
| 1069 | return new(zone()) LStoreCodeEntry(function, code_object); |
| 1070 | } |
| 1071 | |
| 1072 | |
| 1073 | LInstruction* LChunkBuilder::DoInnerAllocatedObject( |
| 1074 | HInnerAllocatedObject* instr) { |
| 1075 | LOperand* base_object = UseRegisterAtStart(instr->base_object()); |
| 1076 | LOperand* offset = UseRegisterOrConstantAtStart(instr->offset()); |
| 1077 | return DefineAsRegister( |
| 1078 | new(zone()) LInnerAllocatedObject(base_object, offset)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1079 | } |
| 1080 | |
| 1081 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1082 | LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1083 | return instr->HasNoUses() |
| 1084 | ? NULL |
| 1085 | : DefineAsRegister(new(zone()) LThisFunction); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1086 | } |
| 1087 | |
| 1088 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1089 | LInstruction* LChunkBuilder::DoContext(HContext* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1090 | if (instr->HasNoUses()) return NULL; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1091 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1092 | if (info()->IsStub()) { |
| 1093 | return DefineFixed(new(zone()) LContext, esi); |
| 1094 | } |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1095 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1096 | return DefineAsRegister(new(zone()) LContext); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1097 | } |
| 1098 | |
| 1099 | |
| 1100 | LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) { |
| 1101 | LOperand* context = UseFixed(instr->context(), esi); |
| 1102 | return MarkAsCall(new(zone()) LDeclareGlobals(context), instr); |
Ben Murdoch | 5d4cdbf | 2012-04-11 10:23:59 +0100 | [diff] [blame] | 1103 | } |
| 1104 | |
| 1105 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1106 | LInstruction* LChunkBuilder::DoCallJSFunction( |
| 1107 | HCallJSFunction* instr) { |
| 1108 | LOperand* function = UseFixed(instr->function(), edi); |
| 1109 | |
| 1110 | LCallJSFunction* result = new(zone()) LCallJSFunction(function); |
| 1111 | |
| 1112 | return MarkAsCall(DefineFixed(result, eax), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1113 | } |
| 1114 | |
| 1115 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1116 | LInstruction* LChunkBuilder::DoCallWithDescriptor( |
| 1117 | HCallWithDescriptor* instr) { |
| 1118 | CallInterfaceDescriptor descriptor = instr->descriptor(); |
| 1119 | LOperand* target = UseRegisterOrConstantAtStart(instr->target()); |
| 1120 | ZoneList<LOperand*> ops(instr->OperandCount(), zone()); |
| 1121 | ops.Add(target, zone()); |
| 1122 | for (int i = 1; i < instr->OperandCount(); i++) { |
| 1123 | LOperand* op = |
| 1124 | UseFixed(instr->OperandAt(i), descriptor.GetParameterRegister(i - 1)); |
| 1125 | ops.Add(op, zone()); |
| 1126 | } |
| 1127 | |
| 1128 | LCallWithDescriptor* result = new(zone()) LCallWithDescriptor( |
| 1129 | descriptor, ops, zone()); |
| 1130 | return MarkAsCall(DefineFixed(result, eax), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1134 | LInstruction* LChunkBuilder::DoTailCallThroughMegamorphicCache( |
| 1135 | HTailCallThroughMegamorphicCache* instr) { |
| 1136 | LOperand* context = UseFixed(instr->context(), esi); |
| 1137 | LOperand* receiver_register = |
| 1138 | UseFixed(instr->receiver(), LoadDescriptor::ReceiverRegister()); |
| 1139 | LOperand* name_register = |
| 1140 | UseFixed(instr->name(), LoadDescriptor::NameRegister()); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1141 | LOperand* slot = NULL; |
| 1142 | LOperand* vector = NULL; |
| 1143 | if (FLAG_vector_ics) { |
| 1144 | slot = UseFixed(instr->slot(), VectorLoadICDescriptor::SlotRegister()); |
| 1145 | vector = |
| 1146 | UseFixed(instr->vector(), VectorLoadICDescriptor::VectorRegister()); |
| 1147 | } |
| 1148 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1149 | // Not marked as call. It can't deoptimize, and it never returns. |
| 1150 | return new (zone()) LTailCallThroughMegamorphicCache( |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 1151 | context, receiver_register, name_register, slot, vector); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1152 | } |
| 1153 | |
| 1154 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1155 | LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) { |
| 1156 | LOperand* context = UseFixed(instr->context(), esi); |
| 1157 | LOperand* function = UseFixed(instr->function(), edi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1158 | LInvokeFunction* result = new(zone()) LInvokeFunction(context, function); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1159 | return MarkAsCall(DefineFixed(result, eax), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
| 1160 | } |
| 1161 | |
| 1162 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1163 | LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1164 | switch (instr->op()) { |
| 1165 | case kMathFloor: |
| 1166 | return DoMathFloor(instr); |
| 1167 | case kMathRound: |
| 1168 | return DoMathRound(instr); |
| 1169 | case kMathFround: |
| 1170 | return DoMathFround(instr); |
| 1171 | case kMathAbs: |
| 1172 | return DoMathAbs(instr); |
| 1173 | case kMathLog: |
| 1174 | return DoMathLog(instr); |
| 1175 | case kMathExp: |
| 1176 | return DoMathExp(instr); |
| 1177 | case kMathSqrt: |
| 1178 | return DoMathSqrt(instr); |
| 1179 | case kMathPowHalf: |
| 1180 | return DoMathPowHalf(instr); |
| 1181 | case kMathClz32: |
| 1182 | return DoMathClz32(instr); |
| 1183 | default: |
| 1184 | UNREACHABLE(); |
| 1185 | return NULL; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1186 | } |
| 1187 | } |
| 1188 | |
| 1189 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1190 | LInstruction* LChunkBuilder::DoMathFloor(HUnaryMathOperation* instr) { |
| 1191 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1192 | LMathFloor* result = new(zone()) LMathFloor(input); |
| 1193 | return AssignEnvironment(DefineAsRegister(result)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1194 | } |
| 1195 | |
| 1196 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1197 | LInstruction* LChunkBuilder::DoMathRound(HUnaryMathOperation* instr) { |
| 1198 | LOperand* input = UseRegister(instr->value()); |
| 1199 | LOperand* temp = FixedTemp(xmm4); |
| 1200 | LMathRound* result = new(zone()) LMathRound(input, temp); |
| 1201 | return AssignEnvironment(DefineAsRegister(result)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1202 | } |
| 1203 | |
| 1204 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1205 | LInstruction* LChunkBuilder::DoMathFround(HUnaryMathOperation* instr) { |
| 1206 | LOperand* input = UseRegister(instr->value()); |
| 1207 | LMathFround* result = new (zone()) LMathFround(input); |
| 1208 | return DefineAsRegister(result); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1209 | } |
| 1210 | |
| 1211 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1212 | LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) { |
| 1213 | LOperand* context = UseAny(instr->context()); // Deferred use. |
| 1214 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1215 | LInstruction* result = |
| 1216 | DefineSameAsFirst(new(zone()) LMathAbs(context, input)); |
| 1217 | Representation r = instr->value()->representation(); |
| 1218 | if (!r.IsDouble() && !r.IsSmiOrInteger32()) result = AssignPointerMap(result); |
| 1219 | if (!r.IsDouble()) result = AssignEnvironment(result); |
| 1220 | return result; |
| 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) { |
| 1225 | DCHECK(instr->representation().IsDouble()); |
| 1226 | DCHECK(instr->value()->representation().IsDouble()); |
| 1227 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1228 | return MarkAsCall(DefineSameAsFirst(new(zone()) LMathLog(input)), instr); |
| 1229 | } |
| 1230 | |
| 1231 | |
| 1232 | LInstruction* LChunkBuilder::DoMathClz32(HUnaryMathOperation* instr) { |
| 1233 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1234 | LMathClz32* result = new(zone()) LMathClz32(input); |
| 1235 | return DefineAsRegister(result); |
| 1236 | } |
| 1237 | |
| 1238 | |
| 1239 | LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) { |
| 1240 | DCHECK(instr->representation().IsDouble()); |
| 1241 | DCHECK(instr->value()->representation().IsDouble()); |
| 1242 | LOperand* value = UseTempRegister(instr->value()); |
| 1243 | LOperand* temp1 = TempRegister(); |
| 1244 | LOperand* temp2 = TempRegister(); |
| 1245 | LMathExp* result = new(zone()) LMathExp(value, temp1, temp2); |
| 1246 | return DefineAsRegister(result); |
| 1247 | } |
| 1248 | |
| 1249 | |
| 1250 | LInstruction* LChunkBuilder::DoMathSqrt(HUnaryMathOperation* instr) { |
| 1251 | LOperand* input = UseAtStart(instr->value()); |
| 1252 | return DefineAsRegister(new(zone()) LMathSqrt(input)); |
| 1253 | } |
| 1254 | |
| 1255 | |
| 1256 | LInstruction* LChunkBuilder::DoMathPowHalf(HUnaryMathOperation* instr) { |
| 1257 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1258 | LOperand* temp = TempRegister(); |
| 1259 | LMathPowHalf* result = new(zone()) LMathPowHalf(input, temp); |
| 1260 | return DefineSameAsFirst(result); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1261 | } |
| 1262 | |
| 1263 | |
| 1264 | LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1265 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1266 | LOperand* constructor = UseFixed(instr->constructor(), edi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1267 | LCallNew* result = new(zone()) LCallNew(context, constructor); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1268 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1269 | } |
| 1270 | |
| 1271 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1272 | LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) { |
| 1273 | LOperand* context = UseFixed(instr->context(), esi); |
| 1274 | LOperand* constructor = UseFixed(instr->constructor(), edi); |
| 1275 | LCallNewArray* result = new(zone()) LCallNewArray(context, constructor); |
| 1276 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1277 | } |
| 1278 | |
| 1279 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1280 | LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1281 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1282 | LOperand* function = UseFixed(instr->function(), edi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1283 | LCallFunction* call = new(zone()) LCallFunction(context, function); |
| 1284 | return MarkAsCall(DefineFixed(call, eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1285 | } |
| 1286 | |
| 1287 | |
| 1288 | LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1289 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1290 | return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1291 | } |
| 1292 | |
| 1293 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1294 | LInstruction* LChunkBuilder::DoRor(HRor* instr) { |
| 1295 | return DoShift(Token::ROR, instr); |
| 1296 | } |
| 1297 | |
| 1298 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1299 | LInstruction* LChunkBuilder::DoShr(HShr* instr) { |
| 1300 | return DoShift(Token::SHR, instr); |
| 1301 | } |
| 1302 | |
| 1303 | |
| 1304 | LInstruction* LChunkBuilder::DoSar(HSar* instr) { |
| 1305 | return DoShift(Token::SAR, instr); |
| 1306 | } |
| 1307 | |
| 1308 | |
| 1309 | LInstruction* LChunkBuilder::DoShl(HShl* instr) { |
| 1310 | return DoShift(Token::SHL, instr); |
| 1311 | } |
| 1312 | |
| 1313 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1314 | LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1315 | if (instr->representation().IsSmiOrInteger32()) { |
| 1316 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1317 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1318 | DCHECK(instr->CheckFlag(HValue::kTruncatingToInt32)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1319 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1320 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1321 | LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1322 | return DefineSameAsFirst(new(zone()) LBitI(left, right)); |
| 1323 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1324 | return DoArithmeticT(instr->op(), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1325 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1326 | } |
| 1327 | |
| 1328 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1329 | LInstruction* LChunkBuilder::DoDivByPowerOf2I(HDiv* instr) { |
| 1330 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1331 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1332 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1333 | LOperand* dividend = UseRegister(instr->left()); |
| 1334 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1335 | LInstruction* result = DefineAsRegister(new(zone()) LDivByPowerOf2I( |
| 1336 | dividend, divisor)); |
| 1337 | if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1338 | (instr->CheckFlag(HValue::kCanOverflow) && divisor == -1) || |
| 1339 | (!instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32) && |
| 1340 | divisor != 1 && divisor != -1)) { |
| 1341 | result = AssignEnvironment(result); |
| 1342 | } |
| 1343 | return result; |
| 1344 | } |
| 1345 | |
| 1346 | |
| 1347 | LInstruction* LChunkBuilder::DoDivByConstI(HDiv* instr) { |
| 1348 | DCHECK(instr->representation().IsInteger32()); |
| 1349 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1350 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1351 | LOperand* dividend = UseRegister(instr->left()); |
| 1352 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1353 | LOperand* temp1 = FixedTemp(eax); |
| 1354 | LOperand* temp2 = FixedTemp(edx); |
| 1355 | LInstruction* result = DefineFixed(new(zone()) LDivByConstI( |
| 1356 | dividend, divisor, temp1, temp2), edx); |
| 1357 | if (divisor == 0 || |
| 1358 | (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1359 | !instr->CheckFlag(HInstruction::kAllUsesTruncatingToInt32)) { |
| 1360 | result = AssignEnvironment(result); |
| 1361 | } |
| 1362 | return result; |
| 1363 | } |
| 1364 | |
| 1365 | |
| 1366 | LInstruction* LChunkBuilder::DoDivI(HDiv* instr) { |
| 1367 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1368 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1369 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1370 | LOperand* dividend = UseFixed(instr->left(), eax); |
| 1371 | LOperand* divisor = UseRegister(instr->right()); |
| 1372 | LOperand* temp = FixedTemp(edx); |
| 1373 | LInstruction* result = DefineFixed(new(zone()) LDivI( |
| 1374 | dividend, divisor, temp), eax); |
| 1375 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1376 | instr->CheckFlag(HValue::kBailoutOnMinusZero) || |
| 1377 | instr->CheckFlag(HValue::kCanOverflow) || |
| 1378 | !instr->CheckFlag(HValue::kAllUsesTruncatingToInt32)) { |
| 1379 | result = AssignEnvironment(result); |
| 1380 | } |
| 1381 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1382 | } |
| 1383 | |
| 1384 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1385 | LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1386 | if (instr->representation().IsSmiOrInteger32()) { |
| 1387 | if (instr->RightIsPowerOf2()) { |
| 1388 | return DoDivByPowerOf2I(instr); |
| 1389 | } else if (instr->right()->IsConstant()) { |
| 1390 | return DoDivByConstI(instr); |
| 1391 | } else { |
| 1392 | return DoDivI(instr); |
| 1393 | } |
| 1394 | } else if (instr->representation().IsDouble()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1395 | return DoArithmeticD(Token::DIV, instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1396 | } else { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1397 | return DoArithmeticT(Token::DIV, instr); |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1402 | LInstruction* LChunkBuilder::DoFlooringDivByPowerOf2I(HMathFloorOfDiv* instr) { |
| 1403 | LOperand* dividend = UseRegisterAtStart(instr->left()); |
| 1404 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1405 | LInstruction* result = DefineSameAsFirst(new(zone()) LFlooringDivByPowerOf2I( |
| 1406 | dividend, divisor)); |
| 1407 | if ((instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0) || |
| 1408 | (instr->CheckFlag(HValue::kLeftCanBeMinInt) && divisor == -1)) { |
| 1409 | result = AssignEnvironment(result); |
| 1410 | } |
| 1411 | return result; |
| 1412 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1413 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1414 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1415 | LInstruction* LChunkBuilder::DoFlooringDivByConstI(HMathFloorOfDiv* instr) { |
| 1416 | DCHECK(instr->representation().IsInteger32()); |
| 1417 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1418 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1419 | LOperand* dividend = UseRegister(instr->left()); |
| 1420 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1421 | LOperand* temp1 = FixedTemp(eax); |
| 1422 | LOperand* temp2 = FixedTemp(edx); |
| 1423 | LOperand* temp3 = |
| 1424 | ((divisor > 0 && !instr->CheckFlag(HValue::kLeftCanBeNegative)) || |
| 1425 | (divisor < 0 && !instr->CheckFlag(HValue::kLeftCanBePositive))) ? |
| 1426 | NULL : TempRegister(); |
| 1427 | LInstruction* result = |
| 1428 | DefineFixed(new(zone()) LFlooringDivByConstI(dividend, |
| 1429 | divisor, |
| 1430 | temp1, |
| 1431 | temp2, |
| 1432 | temp3), |
| 1433 | edx); |
| 1434 | if (divisor == 0 || |
| 1435 | (instr->CheckFlag(HValue::kBailoutOnMinusZero) && divisor < 0)) { |
| 1436 | result = AssignEnvironment(result); |
| 1437 | } |
| 1438 | return result; |
| 1439 | } |
| 1440 | |
| 1441 | |
| 1442 | LInstruction* LChunkBuilder::DoFlooringDivI(HMathFloorOfDiv* instr) { |
| 1443 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1444 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1445 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1446 | LOperand* dividend = UseFixed(instr->left(), eax); |
| 1447 | LOperand* divisor = UseRegister(instr->right()); |
| 1448 | LOperand* temp = FixedTemp(edx); |
| 1449 | LInstruction* result = DefineFixed(new(zone()) LFlooringDivI( |
| 1450 | dividend, divisor, temp), eax); |
| 1451 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1452 | instr->CheckFlag(HValue::kBailoutOnMinusZero) || |
| 1453 | instr->CheckFlag(HValue::kCanOverflow)) { |
| 1454 | result = AssignEnvironment(result); |
| 1455 | } |
| 1456 | return result; |
| 1457 | } |
| 1458 | |
| 1459 | |
| 1460 | LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
| 1461 | if (instr->RightIsPowerOf2()) { |
| 1462 | return DoFlooringDivByPowerOf2I(instr); |
| 1463 | } else if (instr->right()->IsConstant()) { |
| 1464 | return DoFlooringDivByConstI(instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1465 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1466 | return DoFlooringDivI(instr); |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | |
| 1471 | LInstruction* LChunkBuilder::DoModByPowerOf2I(HMod* instr) { |
| 1472 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1473 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1474 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1475 | LOperand* dividend = UseRegisterAtStart(instr->left()); |
| 1476 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1477 | LInstruction* result = DefineSameAsFirst(new(zone()) LModByPowerOf2I( |
| 1478 | dividend, divisor)); |
| 1479 | if (instr->CheckFlag(HValue::kLeftCanBeNegative) && |
| 1480 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1481 | result = AssignEnvironment(result); |
| 1482 | } |
| 1483 | return result; |
| 1484 | } |
| 1485 | |
| 1486 | |
| 1487 | LInstruction* LChunkBuilder::DoModByConstI(HMod* instr) { |
| 1488 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1489 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1490 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1491 | LOperand* dividend = UseRegister(instr->left()); |
| 1492 | int32_t divisor = instr->right()->GetInteger32Constant(); |
| 1493 | LOperand* temp1 = FixedTemp(eax); |
| 1494 | LOperand* temp2 = FixedTemp(edx); |
| 1495 | LInstruction* result = DefineFixed(new(zone()) LModByConstI( |
| 1496 | dividend, divisor, temp1, temp2), eax); |
| 1497 | if (divisor == 0 || instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1498 | result = AssignEnvironment(result); |
| 1499 | } |
| 1500 | return result; |
| 1501 | } |
| 1502 | |
| 1503 | |
| 1504 | LInstruction* LChunkBuilder::DoModI(HMod* instr) { |
| 1505 | DCHECK(instr->representation().IsSmiOrInteger32()); |
| 1506 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1507 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1508 | LOperand* dividend = UseFixed(instr->left(), eax); |
| 1509 | LOperand* divisor = UseRegister(instr->right()); |
| 1510 | LOperand* temp = FixedTemp(edx); |
| 1511 | LInstruction* result = DefineFixed(new(zone()) LModI( |
| 1512 | dividend, divisor, temp), edx); |
| 1513 | if (instr->CheckFlag(HValue::kCanBeDivByZero) || |
| 1514 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1515 | result = AssignEnvironment(result); |
| 1516 | } |
| 1517 | return result; |
| 1518 | } |
| 1519 | |
| 1520 | |
| 1521 | LInstruction* LChunkBuilder::DoMod(HMod* instr) { |
| 1522 | if (instr->representation().IsSmiOrInteger32()) { |
| 1523 | if (instr->RightIsPowerOf2()) { |
| 1524 | return DoModByPowerOf2I(instr); |
| 1525 | } else if (instr->right()->IsConstant()) { |
| 1526 | return DoModByConstI(instr); |
| 1527 | } else { |
| 1528 | return DoModI(instr); |
| 1529 | } |
| 1530 | } else if (instr->representation().IsDouble()) { |
| 1531 | return DoArithmeticD(Token::MOD, instr); |
| 1532 | } else { |
| 1533 | return DoArithmeticT(Token::MOD, instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1534 | } |
| 1535 | } |
| 1536 | |
| 1537 | |
| 1538 | LInstruction* LChunkBuilder::DoMul(HMul* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1539 | if (instr->representation().IsSmiOrInteger32()) { |
| 1540 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1541 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1542 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1543 | LOperand* right = UseOrConstant(instr->BetterRightOperand()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1544 | LOperand* temp = NULL; |
| 1545 | if (instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1546 | temp = TempRegister(); |
| 1547 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1548 | LMulI* mul = new(zone()) LMulI(left, right, temp); |
| 1549 | if (instr->CheckFlag(HValue::kCanOverflow) || |
| 1550 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1551 | AssignEnvironment(mul); |
| 1552 | } |
| 1553 | return DefineSameAsFirst(mul); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1554 | } else if (instr->representation().IsDouble()) { |
| 1555 | return DoArithmeticD(Token::MUL, instr); |
| 1556 | } else { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1557 | return DoArithmeticT(Token::MUL, instr); |
| 1558 | } |
| 1559 | } |
| 1560 | |
| 1561 | |
| 1562 | LInstruction* LChunkBuilder::DoSub(HSub* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1563 | if (instr->representation().IsSmiOrInteger32()) { |
| 1564 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1565 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1566 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1567 | LOperand* right = UseOrConstantAtStart(instr->right()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1568 | LSubI* sub = new(zone()) LSubI(left, right); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1569 | LInstruction* result = DefineSameAsFirst(sub); |
| 1570 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1571 | result = AssignEnvironment(result); |
| 1572 | } |
| 1573 | return result; |
| 1574 | } else if (instr->representation().IsDouble()) { |
| 1575 | return DoArithmeticD(Token::SUB, instr); |
| 1576 | } else { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1577 | return DoArithmeticT(Token::SUB, instr); |
| 1578 | } |
| 1579 | } |
| 1580 | |
| 1581 | |
| 1582 | LInstruction* LChunkBuilder::DoAdd(HAdd* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1583 | if (instr->representation().IsSmiOrInteger32()) { |
| 1584 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1585 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1586 | // Check to see if it would be advantageous to use an lea instruction rather |
| 1587 | // than an add. This is the case when no overflow check is needed and there |
| 1588 | // are multiple uses of the add's inputs, so using a 3-register add will |
| 1589 | // preserve all input values for later uses. |
| 1590 | bool use_lea = LAddI::UseLea(instr); |
| 1591 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1592 | HValue* right_candidate = instr->BetterRightOperand(); |
| 1593 | LOperand* right = use_lea |
| 1594 | ? UseRegisterOrConstantAtStart(right_candidate) |
| 1595 | : UseOrConstantAtStart(right_candidate); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1596 | LAddI* add = new(zone()) LAddI(left, right); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1597 | bool can_overflow = instr->CheckFlag(HValue::kCanOverflow); |
| 1598 | LInstruction* result = use_lea |
| 1599 | ? DefineAsRegister(add) |
| 1600 | : DefineSameAsFirst(add); |
| 1601 | if (can_overflow) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1602 | result = AssignEnvironment(result); |
| 1603 | } |
| 1604 | return result; |
| 1605 | } else if (instr->representation().IsDouble()) { |
| 1606 | return DoArithmeticD(Token::ADD, instr); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1607 | } else if (instr->representation().IsExternal()) { |
| 1608 | DCHECK(instr->left()->representation().IsExternal()); |
| 1609 | DCHECK(instr->right()->representation().IsInteger32()); |
| 1610 | DCHECK(!instr->CheckFlag(HValue::kCanOverflow)); |
| 1611 | bool use_lea = LAddI::UseLea(instr); |
| 1612 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1613 | HValue* right_candidate = instr->right(); |
| 1614 | LOperand* right = use_lea |
| 1615 | ? UseRegisterOrConstantAtStart(right_candidate) |
| 1616 | : UseOrConstantAtStart(right_candidate); |
| 1617 | LAddI* add = new(zone()) LAddI(left, right); |
| 1618 | LInstruction* result = use_lea |
| 1619 | ? DefineAsRegister(add) |
| 1620 | : DefineSameAsFirst(add); |
| 1621 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1622 | } else { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1623 | return DoArithmeticT(Token::ADD, instr); |
| 1624 | } |
| 1625 | } |
| 1626 | |
| 1627 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1628 | LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) { |
| 1629 | LOperand* left = NULL; |
| 1630 | LOperand* right = NULL; |
| 1631 | if (instr->representation().IsSmiOrInteger32()) { |
| 1632 | DCHECK(instr->left()->representation().Equals(instr->representation())); |
| 1633 | DCHECK(instr->right()->representation().Equals(instr->representation())); |
| 1634 | left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1635 | right = UseOrConstantAtStart(instr->BetterRightOperand()); |
| 1636 | } else { |
| 1637 | DCHECK(instr->representation().IsDouble()); |
| 1638 | DCHECK(instr->left()->representation().IsDouble()); |
| 1639 | DCHECK(instr->right()->representation().IsDouble()); |
| 1640 | left = UseRegisterAtStart(instr->left()); |
| 1641 | right = UseRegisterAtStart(instr->right()); |
| 1642 | } |
| 1643 | LMathMinMax* minmax = new(zone()) LMathMinMax(left, right); |
| 1644 | return DefineSameAsFirst(minmax); |
| 1645 | } |
| 1646 | |
| 1647 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1648 | LInstruction* LChunkBuilder::DoPower(HPower* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1649 | DCHECK(instr->representation().IsDouble()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1650 | // We call a C function for double power. It can't trigger a GC. |
| 1651 | // We need to use fixed result register for the call. |
| 1652 | Representation exponent_type = instr->right()->representation(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1653 | DCHECK(instr->left()->representation().IsDouble()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1654 | LOperand* left = UseFixedDouble(instr->left(), xmm2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1655 | LOperand* right = |
| 1656 | exponent_type.IsDouble() |
| 1657 | ? UseFixedDouble(instr->right(), xmm1) |
| 1658 | : UseFixed(instr->right(), MathPowTaggedDescriptor::exponent()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1659 | LPower* result = new(zone()) LPower(left, right); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1660 | return MarkAsCall(DefineFixedDouble(result, xmm3), instr, |
| 1661 | CAN_DEOPTIMIZE_EAGERLY); |
| 1662 | } |
| 1663 | |
| 1664 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1665 | LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1666 | DCHECK(instr->left()->representation().IsSmiOrTagged()); |
| 1667 | DCHECK(instr->right()->representation().IsSmiOrTagged()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1668 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1669 | LOperand* left = UseFixed(instr->left(), edx); |
| 1670 | LOperand* right = UseFixed(instr->right(), eax); |
| 1671 | LCmpT* result = new(zone()) LCmpT(context, left, right); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1672 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1673 | } |
| 1674 | |
| 1675 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1676 | LInstruction* LChunkBuilder::DoCompareNumericAndBranch( |
| 1677 | HCompareNumericAndBranch* instr) { |
| 1678 | Representation r = instr->representation(); |
| 1679 | if (r.IsSmiOrInteger32()) { |
| 1680 | DCHECK(instr->left()->representation().Equals(r)); |
| 1681 | DCHECK(instr->right()->representation().Equals(r)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1682 | LOperand* left = UseRegisterOrConstantAtStart(instr->left()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1683 | LOperand* right = UseOrConstantAtStart(instr->right()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1684 | return new(zone()) LCompareNumericAndBranch(left, right); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1685 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1686 | DCHECK(r.IsDouble()); |
| 1687 | DCHECK(instr->left()->representation().IsDouble()); |
| 1688 | DCHECK(instr->right()->representation().IsDouble()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1689 | LOperand* left; |
| 1690 | LOperand* right; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1691 | if (CanBeImmediateConstant(instr->left()) && |
| 1692 | CanBeImmediateConstant(instr->right())) { |
| 1693 | // The code generator requires either both inputs to be constant |
| 1694 | // operands, or neither. |
| 1695 | left = UseConstant(instr->left()); |
| 1696 | right = UseConstant(instr->right()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1697 | } else { |
| 1698 | left = UseRegisterAtStart(instr->left()); |
| 1699 | right = UseRegisterAtStart(instr->right()); |
| 1700 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1701 | return new(zone()) LCompareNumericAndBranch(left, right); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1702 | } |
| 1703 | } |
| 1704 | |
| 1705 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1706 | LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch( |
| 1707 | HCompareObjectEqAndBranch* instr) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1708 | LOperand* left = UseRegisterAtStart(instr->left()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1709 | LOperand* right = UseOrConstantAtStart(instr->right()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1710 | return new(zone()) LCmpObjectEqAndBranch(left, right); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1714 | LInstruction* LChunkBuilder::DoCompareHoleAndBranch( |
| 1715 | HCompareHoleAndBranch* instr) { |
| 1716 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1717 | return new(zone()) LCmpHoleAndBranch(value); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1718 | } |
| 1719 | |
| 1720 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1721 | LInstruction* LChunkBuilder::DoCompareMinusZeroAndBranch( |
| 1722 | HCompareMinusZeroAndBranch* instr) { |
| 1723 | LOperand* value = UseRegister(instr->value()); |
| 1724 | LOperand* scratch = TempRegister(); |
| 1725 | return new(zone()) LCompareMinusZeroAndBranch(value, scratch); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1726 | } |
| 1727 | |
| 1728 | |
| 1729 | LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1730 | DCHECK(instr->value()->representation().IsSmiOrTagged()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1731 | LOperand* temp = TempRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1732 | return new(zone()) LIsObjectAndBranch(UseRegister(instr->value()), temp); |
| 1733 | } |
| 1734 | |
| 1735 | |
| 1736 | LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1737 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1738 | LOperand* temp = TempRegister(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1739 | return new(zone()) LIsStringAndBranch(UseRegister(instr->value()), temp); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1740 | } |
| 1741 | |
| 1742 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1743 | LInstruction* LChunkBuilder::DoIsSmiAndBranch(HIsSmiAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1744 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1745 | return new(zone()) LIsSmiAndBranch(Use(instr->value())); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1746 | } |
| 1747 | |
| 1748 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1749 | LInstruction* LChunkBuilder::DoIsUndetectableAndBranch( |
| 1750 | HIsUndetectableAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1751 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1752 | return new(zone()) LIsUndetectableAndBranch( |
| 1753 | UseRegisterAtStart(instr->value()), TempRegister()); |
| 1754 | } |
| 1755 | |
| 1756 | |
| 1757 | LInstruction* LChunkBuilder::DoStringCompareAndBranch( |
| 1758 | HStringCompareAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1759 | DCHECK(instr->left()->representation().IsTagged()); |
| 1760 | DCHECK(instr->right()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1761 | LOperand* context = UseFixed(instr->context(), esi); |
| 1762 | LOperand* left = UseFixed(instr->left(), edx); |
| 1763 | LOperand* right = UseFixed(instr->right(), eax); |
| 1764 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1765 | LStringCompareAndBranch* result = new(zone()) |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1766 | LStringCompareAndBranch(context, left, right); |
| 1767 | |
| 1768 | return MarkAsCall(result, instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1769 | } |
| 1770 | |
| 1771 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1772 | LInstruction* LChunkBuilder::DoHasInstanceTypeAndBranch( |
| 1773 | HHasInstanceTypeAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1774 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1775 | return new(zone()) LHasInstanceTypeAndBranch( |
| 1776 | UseRegisterAtStart(instr->value()), |
| 1777 | TempRegister()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1778 | } |
| 1779 | |
| 1780 | |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1781 | LInstruction* LChunkBuilder::DoGetCachedArrayIndex( |
| 1782 | HGetCachedArrayIndex* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1783 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1784 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1785 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1786 | return DefineAsRegister(new(zone()) LGetCachedArrayIndex(value)); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 1787 | } |
| 1788 | |
| 1789 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1790 | LInstruction* LChunkBuilder::DoHasCachedArrayIndexAndBranch( |
| 1791 | HHasCachedArrayIndexAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1792 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1793 | return new(zone()) LHasCachedArrayIndexAndBranch( |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1794 | UseRegisterAtStart(instr->value())); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1795 | } |
| 1796 | |
| 1797 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1798 | LInstruction* LChunkBuilder::DoClassOfTestAndBranch( |
| 1799 | HClassOfTestAndBranch* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1800 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1801 | return new(zone()) LClassOfTestAndBranch(UseRegister(instr->value()), |
| 1802 | TempRegister(), |
| 1803 | TempRegister()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1804 | } |
| 1805 | |
| 1806 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1807 | LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) { |
| 1808 | LOperand* map = UseRegisterAtStart(instr->value()); |
| 1809 | return DefineAsRegister(new(zone()) LMapEnumLength(map)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1810 | } |
| 1811 | |
| 1812 | |
| 1813 | LInstruction* LChunkBuilder::DoDateField(HDateField* instr) { |
| 1814 | LOperand* date = UseFixed(instr->value(), eax); |
| 1815 | LDateField* result = |
| 1816 | new(zone()) LDateField(date, FixedTemp(ecx), instr->index()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1817 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 1818 | } |
| 1819 | |
| 1820 | |
| 1821 | LInstruction* LChunkBuilder::DoSeqStringGetChar(HSeqStringGetChar* instr) { |
| 1822 | LOperand* string = UseRegisterAtStart(instr->string()); |
| 1823 | LOperand* index = UseRegisterOrConstantAtStart(instr->index()); |
| 1824 | return DefineAsRegister(new(zone()) LSeqStringGetChar(string, index)); |
| 1825 | } |
| 1826 | |
| 1827 | |
| 1828 | LOperand* LChunkBuilder::GetSeqStringSetCharOperand(HSeqStringSetChar* instr) { |
| 1829 | if (instr->encoding() == String::ONE_BYTE_ENCODING) { |
| 1830 | if (FLAG_debug_code) { |
| 1831 | return UseFixed(instr->value(), eax); |
| 1832 | } else { |
| 1833 | return UseFixedOrConstant(instr->value(), eax); |
| 1834 | } |
| 1835 | } else { |
| 1836 | if (FLAG_debug_code) { |
| 1837 | return UseRegisterAtStart(instr->value()); |
| 1838 | } else { |
| 1839 | return UseRegisterOrConstantAtStart(instr->value()); |
| 1840 | } |
| 1841 | } |
| 1842 | } |
| 1843 | |
| 1844 | |
| 1845 | LInstruction* LChunkBuilder::DoSeqStringSetChar(HSeqStringSetChar* instr) { |
| 1846 | LOperand* string = UseRegisterAtStart(instr->string()); |
| 1847 | LOperand* index = FLAG_debug_code |
| 1848 | ? UseRegisterAtStart(instr->index()) |
| 1849 | : UseRegisterOrConstantAtStart(instr->index()); |
| 1850 | LOperand* value = GetSeqStringSetCharOperand(instr); |
| 1851 | LOperand* context = FLAG_debug_code ? UseFixed(instr->context(), esi) : NULL; |
| 1852 | LInstruction* result = new(zone()) LSeqStringSetChar(context, string, |
| 1853 | index, value); |
| 1854 | if (FLAG_debug_code) { |
| 1855 | result = MarkAsCall(result, instr); |
| 1856 | } |
| 1857 | return result; |
Ben Murdoch | 5d4cdbf | 2012-04-11 10:23:59 +0100 | [diff] [blame] | 1858 | } |
| 1859 | |
| 1860 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1861 | LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1862 | if (!FLAG_debug_code && instr->skip_check()) return NULL; |
| 1863 | LOperand* index = UseRegisterOrConstantAtStart(instr->index()); |
| 1864 | LOperand* length = !index->IsConstantOperand() |
| 1865 | ? UseOrConstantAtStart(instr->length()) |
| 1866 | : UseAtStart(instr->length()); |
| 1867 | LInstruction* result = new(zone()) LBoundsCheck(index, length); |
| 1868 | if (!FLAG_debug_code || !instr->skip_check()) { |
| 1869 | result = AssignEnvironment(result); |
| 1870 | } |
| 1871 | return result; |
| 1872 | } |
| 1873 | |
| 1874 | |
| 1875 | LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation( |
| 1876 | HBoundsCheckBaseIndexInformation* instr) { |
| 1877 | UNREACHABLE(); |
| 1878 | return NULL; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1879 | } |
| 1880 | |
| 1881 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 1882 | LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) { |
| 1883 | // The control instruction marking the end of a block that completed |
| 1884 | // abruptly (e.g., threw an exception). There is nothing specific to do. |
| 1885 | return NULL; |
| 1886 | } |
| 1887 | |
| 1888 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1889 | LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) { |
| 1890 | return NULL; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1891 | } |
| 1892 | |
| 1893 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1894 | LInstruction* LChunkBuilder::DoForceRepresentation(HForceRepresentation* bad) { |
| 1895 | // All HForceRepresentation instructions should be eliminated in the |
| 1896 | // representation change phase of Hydrogen. |
| 1897 | UNREACHABLE(); |
| 1898 | return NULL; |
| 1899 | } |
| 1900 | |
| 1901 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1902 | LInstruction* LChunkBuilder::DoChange(HChange* instr) { |
| 1903 | Representation from = instr->from(); |
| 1904 | Representation to = instr->to(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1905 | HValue* val = instr->value(); |
| 1906 | if (from.IsSmi()) { |
| 1907 | if (to.IsTagged()) { |
| 1908 | LOperand* value = UseRegister(val); |
| 1909 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
| 1910 | } |
| 1911 | from = Representation::Tagged(); |
| 1912 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1913 | if (from.IsTagged()) { |
| 1914 | if (to.IsDouble()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1915 | LOperand* value = UseRegister(val); |
| 1916 | LOperand* temp = TempRegister(); |
| 1917 | LInstruction* result = |
| 1918 | DefineAsRegister(new(zone()) LNumberUntagD(value, temp)); |
| 1919 | if (!val->representation().IsSmi()) result = AssignEnvironment(result); |
| 1920 | return result; |
| 1921 | } else if (to.IsSmi()) { |
| 1922 | LOperand* value = UseRegister(val); |
| 1923 | if (val->type().IsSmi()) { |
| 1924 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
| 1925 | } |
| 1926 | return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value))); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1927 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1928 | DCHECK(to.IsInteger32()); |
| 1929 | if (val->type().IsSmi() || val->representation().IsSmi()) { |
| 1930 | LOperand* value = UseRegister(val); |
| 1931 | return DefineSameAsFirst(new(zone()) LSmiUntag(value, false)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1932 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1933 | LOperand* value = UseRegister(val); |
| 1934 | bool truncating = instr->CanTruncateToInt32(); |
| 1935 | LOperand* xmm_temp = !truncating ? FixedTemp(xmm1) : NULL; |
| 1936 | LInstruction* result = |
| 1937 | DefineSameAsFirst(new(zone()) LTaggedToI(value, xmm_temp)); |
| 1938 | if (!val->representation().IsSmi()) result = AssignEnvironment(result); |
| 1939 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1940 | } |
| 1941 | } |
| 1942 | } else if (from.IsDouble()) { |
| 1943 | if (to.IsTagged()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1944 | info()->MarkAsDeferredCalling(); |
| 1945 | LOperand* value = UseRegisterAtStart(val); |
| 1946 | LOperand* temp = FLAG_inline_new ? TempRegister() : NULL; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1947 | LUnallocated* result_temp = TempRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1948 | LNumberTagD* result = new(zone()) LNumberTagD(value, temp); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1949 | return AssignPointerMap(Define(result, result_temp)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1950 | } else if (to.IsSmi()) { |
| 1951 | LOperand* value = UseRegister(val); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1952 | return AssignEnvironment( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1953 | DefineAsRegister(new(zone()) LDoubleToSmi(value))); |
| 1954 | } else { |
| 1955 | DCHECK(to.IsInteger32()); |
| 1956 | bool truncating = instr->CanTruncateToInt32(); |
| 1957 | bool needs_temp = !truncating; |
| 1958 | LOperand* value = needs_temp ? UseTempRegister(val) : UseRegister(val); |
| 1959 | LOperand* temp = needs_temp ? TempRegister() : NULL; |
| 1960 | LInstruction* result = |
| 1961 | DefineAsRegister(new(zone()) LDoubleToI(value, temp)); |
| 1962 | if (!truncating) result = AssignEnvironment(result); |
| 1963 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1964 | } |
| 1965 | } else if (from.IsInteger32()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1966 | info()->MarkAsDeferredCalling(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1967 | if (to.IsTagged()) { |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1968 | LOperand* value = UseRegister(val); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1969 | if (!instr->CheckFlag(HValue::kCanOverflow)) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1970 | return DefineSameAsFirst(new(zone()) LSmiTag(value)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1971 | } else if (val->CheckFlag(HInstruction::kUint32)) { |
| 1972 | LOperand* temp = TempRegister(); |
| 1973 | LNumberTagU* result = new(zone()) LNumberTagU(value, temp); |
| 1974 | return AssignPointerMap(DefineSameAsFirst(result)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1975 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1976 | LOperand* temp = TempRegister(); |
| 1977 | LNumberTagI* result = new(zone()) LNumberTagI(value, temp); |
| 1978 | return AssignPointerMap(DefineSameAsFirst(result)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1979 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1980 | } else if (to.IsSmi()) { |
| 1981 | LOperand* value = UseRegister(val); |
| 1982 | LInstruction* result = DefineSameAsFirst(new(zone()) LSmiTag(value)); |
| 1983 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1984 | result = AssignEnvironment(result); |
| 1985 | } |
| 1986 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1987 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1988 | DCHECK(to.IsDouble()); |
| 1989 | if (val->CheckFlag(HInstruction::kUint32)) { |
| 1990 | return DefineAsRegister(new(zone()) LUint32ToDouble(UseRegister(val))); |
| 1991 | } else { |
| 1992 | return DefineAsRegister(new(zone()) LInteger32ToDouble(Use(val))); |
| 1993 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1994 | } |
| 1995 | } |
| 1996 | UNREACHABLE(); |
| 1997 | return NULL; |
| 1998 | } |
| 1999 | |
| 2000 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2001 | LInstruction* LChunkBuilder::DoCheckHeapObject(HCheckHeapObject* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2002 | LOperand* value = UseAtStart(instr->value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2003 | LInstruction* result = new(zone()) LCheckNonSmi(value); |
| 2004 | if (!instr->value()->type().IsHeapObject()) { |
| 2005 | result = AssignEnvironment(result); |
| 2006 | } |
| 2007 | return result; |
| 2008 | } |
| 2009 | |
| 2010 | |
| 2011 | LInstruction* LChunkBuilder::DoCheckSmi(HCheckSmi* instr) { |
| 2012 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2013 | return AssignEnvironment(new(zone()) LCheckSmi(value)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2014 | } |
| 2015 | |
| 2016 | |
| 2017 | LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
| 2018 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2019 | LOperand* temp = TempRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2020 | LCheckInstanceType* result = new(zone()) LCheckInstanceType(value, temp); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2021 | return AssignEnvironment(result); |
| 2022 | } |
| 2023 | |
| 2024 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2025 | LInstruction* LChunkBuilder::DoCheckValue(HCheckValue* instr) { |
| 2026 | // If the object is in new space, we'll emit a global cell compare and so |
| 2027 | // want the value in a register. If the object gets promoted before we |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2028 | // emit code, we will still get the register but will do an immediate |
| 2029 | // compare instead of the cell compare. This is safe. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2030 | LOperand* value = instr->object_in_new_space() |
| 2031 | ? UseRegisterAtStart(instr->value()) : UseAtStart(instr->value()); |
| 2032 | return AssignEnvironment(new(zone()) LCheckValue(value)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2033 | } |
| 2034 | |
| 2035 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2036 | LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) { |
| 2037 | if (instr->IsStabilityCheck()) return new(zone()) LCheckMaps; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2038 | LOperand* value = UseRegisterAtStart(instr->value()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2039 | LInstruction* result = AssignEnvironment(new(zone()) LCheckMaps(value)); |
| 2040 | if (instr->HasMigrationTarget()) { |
| 2041 | info()->MarkAsDeferredCalling(); |
| 2042 | result = AssignPointerMap(result); |
| 2043 | } |
| 2044 | return result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2045 | } |
| 2046 | |
| 2047 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2048 | LInstruction* LChunkBuilder::DoClampToUint8(HClampToUint8* instr) { |
| 2049 | HValue* value = instr->value(); |
| 2050 | Representation input_rep = value->representation(); |
| 2051 | if (input_rep.IsDouble()) { |
| 2052 | LOperand* reg = UseRegister(value); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2053 | return DefineFixed(new(zone()) LClampDToUint8(reg), eax); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2054 | } else if (input_rep.IsInteger32()) { |
| 2055 | LOperand* reg = UseFixed(value, eax); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2056 | return DefineFixed(new(zone()) LClampIToUint8(reg), eax); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2057 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2058 | DCHECK(input_rep.IsSmiOrTagged()); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2059 | LOperand* reg = UseFixed(value, eax); |
| 2060 | // Register allocator doesn't (yet) support allocation of double |
| 2061 | // temps. Reserve xmm1 explicitly. |
| 2062 | LOperand* temp = FixedTemp(xmm1); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2063 | LClampTToUint8* result = new(zone()) LClampTToUint8(reg, temp); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2064 | return AssignEnvironment(DefineFixed(result, eax)); |
| 2065 | } |
| 2066 | } |
| 2067 | |
| 2068 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2069 | LInstruction* LChunkBuilder::DoDoubleBits(HDoubleBits* instr) { |
| 2070 | HValue* value = instr->value(); |
| 2071 | DCHECK(value->representation().IsDouble()); |
| 2072 | return DefineAsRegister(new(zone()) LDoubleBits(UseRegister(value))); |
| 2073 | } |
| 2074 | |
| 2075 | |
| 2076 | LInstruction* LChunkBuilder::DoConstructDouble(HConstructDouble* instr) { |
| 2077 | LOperand* lo = UseRegister(instr->lo()); |
| 2078 | LOperand* hi = UseRegister(instr->hi()); |
| 2079 | return DefineAsRegister(new(zone()) LConstructDouble(hi, lo)); |
| 2080 | } |
| 2081 | |
| 2082 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2083 | LInstruction* LChunkBuilder::DoReturn(HReturn* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2084 | LOperand* context = info()->IsStub() ? UseFixed(instr->context(), esi) : NULL; |
| 2085 | LOperand* parameter_count = UseRegisterOrConstant(instr->parameter_count()); |
| 2086 | return new(zone()) LReturn( |
| 2087 | UseFixed(instr->value(), eax), context, parameter_count); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2088 | } |
| 2089 | |
| 2090 | |
| 2091 | LInstruction* LChunkBuilder::DoConstant(HConstant* instr) { |
| 2092 | Representation r = instr->representation(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2093 | if (r.IsSmi()) { |
| 2094 | return DefineAsRegister(new(zone()) LConstantS); |
| 2095 | } else if (r.IsInteger32()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2096 | return DefineAsRegister(new(zone()) LConstantI); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2097 | } else if (r.IsDouble()) { |
| 2098 | double value = instr->DoubleValue(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2099 | bool value_is_zero = bit_cast<uint64_t, double>(value) == 0; |
| 2100 | LOperand* temp = value_is_zero ? NULL : TempRegister(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2101 | return DefineAsRegister(new(zone()) LConstantD(temp)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2102 | } else if (r.IsExternal()) { |
| 2103 | return DefineAsRegister(new(zone()) LConstantE); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2104 | } else if (r.IsTagged()) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2105 | return DefineAsRegister(new(zone()) LConstantT); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2106 | } else { |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2107 | UNREACHABLE(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2108 | return NULL; |
| 2109 | } |
| 2110 | } |
| 2111 | |
| 2112 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 2113 | LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2114 | LLoadGlobalCell* result = new(zone()) LLoadGlobalCell; |
| 2115 | return instr->RequiresHoleCheck() |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2116 | ? AssignEnvironment(DefineAsRegister(result)) |
| 2117 | : DefineAsRegister(result); |
| 2118 | } |
| 2119 | |
| 2120 | |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 2121 | LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { |
| 2122 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2123 | LOperand* global_object = |
| 2124 | UseFixed(instr->global_object(), LoadDescriptor::ReceiverRegister()); |
| 2125 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2126 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2127 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2128 | } |
| 2129 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2130 | LLoadGlobalGeneric* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2131 | new(zone()) LLoadGlobalGeneric(context, global_object, vector); |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 2132 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2133 | } |
| 2134 | |
| 2135 | |
| 2136 | LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) { |
| 2137 | LStoreGlobalCell* result = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2138 | new(zone()) LStoreGlobalCell(UseRegister(instr->value())); |
| 2139 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2140 | } |
| 2141 | |
| 2142 | |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2143 | LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2144 | LOperand* context = UseRegisterAtStart(instr->value()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2145 | LInstruction* result = |
| 2146 | DefineAsRegister(new(zone()) LLoadContextSlot(context)); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2147 | if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { |
| 2148 | result = AssignEnvironment(result); |
| 2149 | } |
| 2150 | return result; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2151 | } |
| 2152 | |
| 2153 | |
| 2154 | LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2155 | LOperand* value; |
| 2156 | LOperand* temp; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2157 | LOperand* context = UseRegister(instr->context()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2158 | if (instr->NeedsWriteBarrier()) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2159 | value = UseTempRegister(instr->value()); |
| 2160 | temp = TempRegister(); |
| 2161 | } else { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2162 | value = UseRegister(instr->value()); |
| 2163 | temp = NULL; |
| 2164 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2165 | LInstruction* result = new(zone()) LStoreContextSlot(context, value, temp); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2166 | if (instr->RequiresHoleCheck() && instr->DeoptimizesOnHole()) { |
| 2167 | result = AssignEnvironment(result); |
| 2168 | } |
| 2169 | return result; |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2170 | } |
| 2171 | |
| 2172 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2173 | LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2174 | LOperand* obj = (instr->access().IsExternalMemory() && |
| 2175 | instr->access().offset() == 0) |
| 2176 | ? UseRegisterOrConstantAtStart(instr->object()) |
| 2177 | : UseRegisterAtStart(instr->object()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2178 | return DefineAsRegister(new(zone()) LLoadNamedField(obj)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2179 | } |
| 2180 | |
| 2181 | |
| 2182 | LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2183 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2184 | LOperand* object = |
| 2185 | UseFixed(instr->object(), LoadDescriptor::ReceiverRegister()); |
| 2186 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2187 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2188 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2189 | } |
| 2190 | LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric( |
| 2191 | context, object, vector); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2192 | return MarkAsCall(DefineFixed(result, eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2193 | } |
| 2194 | |
| 2195 | |
Steve Block | 9fac840 | 2011-05-12 15:51:54 +0100 | [diff] [blame] | 2196 | LInstruction* LChunkBuilder::DoLoadFunctionPrototype( |
| 2197 | HLoadFunctionPrototype* instr) { |
| 2198 | return AssignEnvironment(DefineAsRegister( |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2199 | new(zone()) LLoadFunctionPrototype(UseRegister(instr->function()), |
| 2200 | TempRegister()))); |
Steve Block | 9fac840 | 2011-05-12 15:51:54 +0100 | [diff] [blame] | 2201 | } |
| 2202 | |
| 2203 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2204 | LInstruction* LChunkBuilder::DoLoadRoot(HLoadRoot* instr) { |
| 2205 | return DefineAsRegister(new(zone()) LLoadRoot); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2206 | } |
| 2207 | |
| 2208 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2209 | LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { |
| 2210 | DCHECK(instr->key()->representation().IsSmiOrInteger32()); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 2211 | ElementsKind elements_kind = instr->elements_kind(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2212 | bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2213 | instr->key()->representation(), elements_kind); |
| 2214 | LOperand* key = clobbers_key |
| 2215 | ? UseTempRegister(instr->key()) |
| 2216 | : UseRegisterOrConstantAtStart(instr->key()); |
| 2217 | LInstruction* result = NULL; |
| 2218 | |
| 2219 | if (!instr->is_typed_elements()) { |
| 2220 | LOperand* obj = UseRegisterAtStart(instr->elements()); |
| 2221 | result = DefineAsRegister(new(zone()) LLoadKeyed(obj, key)); |
| 2222 | } else { |
| 2223 | DCHECK( |
| 2224 | (instr->representation().IsInteger32() && |
| 2225 | !(IsDoubleOrFloatElementsKind(instr->elements_kind()))) || |
| 2226 | (instr->representation().IsDouble() && |
| 2227 | (IsDoubleOrFloatElementsKind(instr->elements_kind())))); |
| 2228 | LOperand* backing_store = UseRegister(instr->elements()); |
| 2229 | result = DefineAsRegister(new(zone()) LLoadKeyed(backing_store, key)); |
| 2230 | } |
| 2231 | |
| 2232 | if ((instr->is_external() || instr->is_fixed_typed_array()) ? |
| 2233 | // see LCodeGen::DoLoadKeyedExternalArray |
| 2234 | ((instr->elements_kind() == EXTERNAL_UINT32_ELEMENTS || |
| 2235 | instr->elements_kind() == UINT32_ELEMENTS) && |
| 2236 | !instr->CheckFlag(HInstruction::kUint32)) : |
| 2237 | // see LCodeGen::DoLoadKeyedFixedDoubleArray and |
| 2238 | // LCodeGen::DoLoadKeyedFixedArray |
| 2239 | instr->RequiresHoleCheck()) { |
| 2240 | result = AssignEnvironment(result); |
| 2241 | } |
| 2242 | return result; |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2243 | } |
| 2244 | |
| 2245 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2246 | LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2247 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2248 | LOperand* object = |
| 2249 | UseFixed(instr->object(), LoadDescriptor::ReceiverRegister()); |
| 2250 | LOperand* key = UseFixed(instr->key(), LoadDescriptor::NameRegister()); |
| 2251 | LOperand* vector = NULL; |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame^] | 2252 | if (instr->HasVectorAndSlot()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2253 | vector = FixedTemp(VectorLoadICDescriptor::VectorRegister()); |
| 2254 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2255 | LLoadKeyedGeneric* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2256 | new(zone()) LLoadKeyedGeneric(context, object, key, vector); |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2257 | return MarkAsCall(DefineFixed(result, eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2258 | } |
| 2259 | |
| 2260 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2261 | LOperand* LChunkBuilder::GetStoreKeyedValueOperand(HStoreKeyed* instr) { |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 2262 | ElementsKind elements_kind = instr->elements_kind(); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 2263 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2264 | // Determine if we need a byte register in this case for the value. |
| 2265 | bool val_is_fixed_register = |
| 2266 | elements_kind == EXTERNAL_INT8_ELEMENTS || |
| 2267 | elements_kind == EXTERNAL_UINT8_ELEMENTS || |
| 2268 | elements_kind == EXTERNAL_UINT8_CLAMPED_ELEMENTS || |
| 2269 | elements_kind == UINT8_ELEMENTS || |
| 2270 | elements_kind == INT8_ELEMENTS || |
| 2271 | elements_kind == UINT8_CLAMPED_ELEMENTS; |
| 2272 | if (val_is_fixed_register) { |
| 2273 | return UseFixed(instr->value(), eax); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2274 | } |
| 2275 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2276 | return UseRegister(instr->value()); |
| 2277 | } |
| 2278 | |
| 2279 | |
| 2280 | LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { |
| 2281 | if (!instr->is_typed_elements()) { |
| 2282 | DCHECK(instr->elements()->representation().IsTagged()); |
| 2283 | DCHECK(instr->key()->representation().IsInteger32() || |
| 2284 | instr->key()->representation().IsSmi()); |
| 2285 | |
| 2286 | if (instr->value()->representation().IsDouble()) { |
| 2287 | LOperand* object = UseRegisterAtStart(instr->elements()); |
| 2288 | LOperand* val = NULL; |
| 2289 | val = UseRegisterAtStart(instr->value()); |
| 2290 | LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
| 2291 | return new(zone()) LStoreKeyed(object, key, val); |
| 2292 | } else { |
| 2293 | DCHECK(instr->value()->representation().IsSmiOrTagged()); |
| 2294 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
| 2295 | |
| 2296 | LOperand* obj = UseRegister(instr->elements()); |
| 2297 | LOperand* val; |
| 2298 | LOperand* key; |
| 2299 | if (needs_write_barrier) { |
| 2300 | val = UseTempRegister(instr->value()); |
| 2301 | key = UseTempRegister(instr->key()); |
| 2302 | } else { |
| 2303 | val = UseRegisterOrConstantAtStart(instr->value()); |
| 2304 | key = UseRegisterOrConstantAtStart(instr->key()); |
| 2305 | } |
| 2306 | return new(zone()) LStoreKeyed(obj, key, val); |
| 2307 | } |
| 2308 | } |
| 2309 | |
| 2310 | ElementsKind elements_kind = instr->elements_kind(); |
| 2311 | DCHECK( |
| 2312 | (instr->value()->representation().IsInteger32() && |
| 2313 | !IsDoubleOrFloatElementsKind(elements_kind)) || |
| 2314 | (instr->value()->representation().IsDouble() && |
| 2315 | IsDoubleOrFloatElementsKind(elements_kind))); |
| 2316 | DCHECK((instr->is_fixed_typed_array() && |
| 2317 | instr->elements()->representation().IsTagged()) || |
| 2318 | (instr->is_external() && |
| 2319 | instr->elements()->representation().IsExternal())); |
| 2320 | |
| 2321 | LOperand* backing_store = UseRegister(instr->elements()); |
| 2322 | LOperand* val = GetStoreKeyedValueOperand(instr); |
| 2323 | bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2324 | instr->key()->representation(), elements_kind); |
| 2325 | LOperand* key = clobbers_key |
| 2326 | ? UseTempRegister(instr->key()) |
| 2327 | : UseRegisterOrConstantAtStart(instr->key()); |
| 2328 | return new(zone()) LStoreKeyed(backing_store, key, val); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 2329 | } |
| 2330 | |
| 2331 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2332 | LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2333 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2334 | LOperand* object = |
| 2335 | UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); |
| 2336 | LOperand* key = UseFixed(instr->key(), StoreDescriptor::NameRegister()); |
| 2337 | LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2338 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2339 | DCHECK(instr->object()->representation().IsTagged()); |
| 2340 | DCHECK(instr->key()->representation().IsTagged()); |
| 2341 | DCHECK(instr->value()->representation().IsTagged()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2342 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2343 | LStoreKeyedGeneric* result = |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2344 | new(zone()) LStoreKeyedGeneric(context, object, key, value); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2345 | return MarkAsCall(result, instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2346 | } |
| 2347 | |
| 2348 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2349 | LInstruction* LChunkBuilder::DoTransitionElementsKind( |
| 2350 | HTransitionElementsKind* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2351 | if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2352 | LOperand* object = UseRegister(instr->object()); |
| 2353 | LOperand* new_map_reg = TempRegister(); |
| 2354 | LOperand* temp_reg = TempRegister(); |
| 2355 | LTransitionElementsKind* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2356 | new(zone()) LTransitionElementsKind(object, NULL, |
| 2357 | new_map_reg, temp_reg); |
| 2358 | return result; |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2359 | } else { |
| 2360 | LOperand* object = UseFixed(instr->object(), eax); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2361 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2362 | LTransitionElementsKind* result = |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2363 | new(zone()) LTransitionElementsKind(object, context, NULL, NULL); |
| 2364 | return MarkAsCall(result, instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2365 | } |
| 2366 | } |
| 2367 | |
| 2368 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2369 | LInstruction* LChunkBuilder::DoTrapAllocationMemento( |
| 2370 | HTrapAllocationMemento* instr) { |
| 2371 | LOperand* object = UseRegister(instr->object()); |
| 2372 | LOperand* temp = TempRegister(); |
| 2373 | LTrapAllocationMemento* result = |
| 2374 | new(zone()) LTrapAllocationMemento(object, temp); |
| 2375 | return AssignEnvironment(result); |
| 2376 | } |
| 2377 | |
| 2378 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2379 | LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2380 | bool is_in_object = instr->access().IsInobject(); |
| 2381 | bool is_external_location = instr->access().IsExternalMemory() && |
| 2382 | instr->access().offset() == 0; |
Steve Block | 9fac840 | 2011-05-12 15:51:54 +0100 | [diff] [blame] | 2383 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2384 | bool needs_write_barrier_for_map = instr->has_transition() && |
| 2385 | instr->NeedsWriteBarrierForMap(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2386 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2387 | LOperand* obj; |
| 2388 | if (needs_write_barrier) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2389 | obj = is_in_object |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2390 | ? UseRegister(instr->object()) |
| 2391 | : UseTempRegister(instr->object()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2392 | } else if (is_external_location) { |
| 2393 | DCHECK(!is_in_object); |
| 2394 | DCHECK(!needs_write_barrier); |
| 2395 | DCHECK(!needs_write_barrier_for_map); |
| 2396 | obj = UseRegisterOrConstant(instr->object()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2397 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2398 | obj = needs_write_barrier_for_map |
| 2399 | ? UseRegister(instr->object()) |
| 2400 | : UseRegisterAtStart(instr->object()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2401 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2402 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2403 | bool can_be_constant = instr->value()->IsConstant() && |
| 2404 | HConstant::cast(instr->value())->NotInNewSpace() && |
| 2405 | !instr->field_representation().IsDouble(); |
| 2406 | |
| 2407 | LOperand* val; |
| 2408 | if (instr->field_representation().IsInteger8() || |
| 2409 | instr->field_representation().IsUInteger8()) { |
| 2410 | // mov_b requires a byte register (i.e. any of eax, ebx, ecx, edx). |
| 2411 | // Just force the value to be in eax and we're safe here. |
| 2412 | val = UseFixed(instr->value(), eax); |
| 2413 | } else if (needs_write_barrier) { |
| 2414 | val = UseTempRegister(instr->value()); |
| 2415 | } else if (can_be_constant) { |
| 2416 | val = UseRegisterOrConstant(instr->value()); |
| 2417 | } else if (instr->field_representation().IsDouble()) { |
| 2418 | val = UseRegisterAtStart(instr->value()); |
| 2419 | } else { |
| 2420 | val = UseRegister(instr->value()); |
| 2421 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2422 | |
| 2423 | // We only need a scratch register if we have a write barrier or we |
| 2424 | // have a store into the properties array (not in-object-property). |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2425 | LOperand* temp = (!is_in_object || needs_write_barrier || |
| 2426 | needs_write_barrier_for_map) ? TempRegister() : NULL; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2427 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2428 | // We need a temporary register for write barrier of the map field. |
| 2429 | LOperand* temp_map = needs_write_barrier_for_map ? TempRegister() : NULL; |
| 2430 | |
| 2431 | return new(zone()) LStoreNamedField(obj, val, temp, temp_map); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2432 | } |
| 2433 | |
| 2434 | |
| 2435 | LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2436 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2437 | LOperand* object = |
| 2438 | UseFixed(instr->object(), StoreDescriptor::ReceiverRegister()); |
| 2439 | LOperand* value = UseFixed(instr->value(), StoreDescriptor::ValueRegister()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2440 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2441 | LStoreNamedGeneric* result = |
| 2442 | new(zone()) LStoreNamedGeneric(context, object, value); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2443 | return MarkAsCall(result, instr); |
| 2444 | } |
| 2445 | |
| 2446 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2447 | LInstruction* LChunkBuilder::DoStringAdd(HStringAdd* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2448 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2449 | LOperand* left = UseFixed(instr->left(), edx); |
| 2450 | LOperand* right = UseFixed(instr->right(), eax); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2451 | LStringAdd* string_add = new(zone()) LStringAdd(context, left, right); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2452 | return MarkAsCall(DefineFixed(string_add, eax), instr); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2453 | } |
| 2454 | |
| 2455 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2456 | LInstruction* LChunkBuilder::DoStringCharCodeAt(HStringCharCodeAt* instr) { |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 2457 | LOperand* string = UseTempRegister(instr->string()); |
| 2458 | LOperand* index = UseTempRegister(instr->index()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2459 | LOperand* context = UseAny(instr->context()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2460 | LStringCharCodeAt* result = |
| 2461 | new(zone()) LStringCharCodeAt(context, string, index); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2462 | return AssignPointerMap(DefineAsRegister(result)); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2463 | } |
| 2464 | |
| 2465 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2466 | LInstruction* LChunkBuilder::DoStringCharFromCode(HStringCharFromCode* instr) { |
| 2467 | LOperand* char_code = UseRegister(instr->value()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2468 | LOperand* context = UseAny(instr->context()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2469 | LStringCharFromCode* result = |
| 2470 | new(zone()) LStringCharFromCode(context, char_code); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2471 | return AssignPointerMap(DefineAsRegister(result)); |
| 2472 | } |
| 2473 | |
| 2474 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2475 | LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) { |
| 2476 | info()->MarkAsDeferredCalling(); |
| 2477 | LOperand* context = UseAny(instr->context()); |
| 2478 | LOperand* size = instr->size()->IsConstant() |
| 2479 | ? UseConstant(instr->size()) |
| 2480 | : UseTempRegister(instr->size()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2481 | LOperand* temp = TempRegister(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2482 | LAllocate* result = new(zone()) LAllocate(context, size, temp); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2483 | return AssignPointerMap(DefineAsRegister(result)); |
| 2484 | } |
| 2485 | |
| 2486 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2487 | LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2488 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2489 | return MarkAsCall( |
| 2490 | DefineFixed(new(zone()) LRegExpLiteral(context), eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2491 | } |
| 2492 | |
| 2493 | |
| 2494 | LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2495 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2496 | return MarkAsCall( |
| 2497 | DefineFixed(new(zone()) LFunctionLiteral(context), eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2498 | } |
| 2499 | |
| 2500 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2501 | LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2502 | DCHECK(argument_count_ == 0); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2503 | allocator_->MarkAsOsrEntry(); |
| 2504 | current_block_->last_environment()->set_ast_id(instr->ast_id()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2505 | return AssignEnvironment(new(zone()) LOsrEntry); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2506 | } |
| 2507 | |
| 2508 | |
| 2509 | LInstruction* LChunkBuilder::DoParameter(HParameter* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2510 | LParameter* result = new(zone()) LParameter; |
| 2511 | if (instr->kind() == HParameter::STACK_PARAMETER) { |
| 2512 | int spill_index = chunk()->GetParameterStackSlot(instr->index()); |
| 2513 | return DefineAsSpilled(result, spill_index); |
| 2514 | } else { |
| 2515 | DCHECK(info()->IsStub()); |
| 2516 | CallInterfaceDescriptor descriptor = |
| 2517 | info()->code_stub()->GetCallInterfaceDescriptor(); |
| 2518 | int index = static_cast<int>(instr->index()); |
| 2519 | Register reg = descriptor.GetEnvironmentParameterRegister(index); |
| 2520 | return DefineFixed(result, reg); |
| 2521 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2522 | } |
| 2523 | |
| 2524 | |
| 2525 | LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2526 | // Use an index that corresponds to the location in the unoptimized frame, |
| 2527 | // which the optimized frame will subsume. |
| 2528 | int env_index = instr->index(); |
| 2529 | int spill_index = 0; |
| 2530 | if (instr->environment()->is_parameter_index(env_index)) { |
| 2531 | spill_index = chunk()->GetParameterStackSlot(env_index); |
| 2532 | } else { |
| 2533 | spill_index = env_index - instr->environment()->first_local_index(); |
| 2534 | if (spill_index > LUnallocated::kMaxFixedSlotIndex) { |
| 2535 | Retry(kNotEnoughSpillSlotsForOsr); |
| 2536 | spill_index = 0; |
| 2537 | } |
| 2538 | if (spill_index == 0) { |
| 2539 | // The dynamic frame alignment state overwrites the first local. |
| 2540 | // The first local is saved at the end of the unoptimized frame. |
| 2541 | spill_index = graph()->osr()->UnoptimizedFrameSlots(); |
| 2542 | } |
Ben Murdoch | 7d3e7fc | 2011-07-12 16:37:06 +0100 | [diff] [blame] | 2543 | } |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2544 | return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2545 | } |
| 2546 | |
| 2547 | |
| 2548 | LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2549 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2550 | LCallStub* result = new(zone()) LCallStub(context); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2551 | return MarkAsCall(DefineFixed(result, eax), instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2552 | } |
| 2553 | |
| 2554 | |
| 2555 | LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) { |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 2556 | // There are no real uses of the arguments object. |
| 2557 | // arguments.length and element access are supported directly on |
| 2558 | // stack arguments, and any real arguments object use causes a bailout. |
| 2559 | // So this value is never used. |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2560 | return NULL; |
| 2561 | } |
| 2562 | |
| 2563 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2564 | LInstruction* LChunkBuilder::DoCapturedObject(HCapturedObject* instr) { |
| 2565 | instr->ReplayEnvironment(current_block_->last_environment()); |
| 2566 | |
| 2567 | // There are no real uses of a captured object. |
| 2568 | return NULL; |
| 2569 | } |
| 2570 | |
| 2571 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2572 | LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2573 | info()->MarkAsRequiresFrame(); |
| 2574 | LOperand* args = UseRegister(instr->arguments()); |
| 2575 | LOperand* length; |
| 2576 | LOperand* index; |
| 2577 | if (instr->length()->IsConstant() && instr->index()->IsConstant()) { |
| 2578 | length = UseRegisterOrConstant(instr->length()); |
| 2579 | index = UseOrConstant(instr->index()); |
| 2580 | } else { |
| 2581 | length = UseTempRegister(instr->length()); |
| 2582 | index = Use(instr->index()); |
| 2583 | } |
| 2584 | return DefineAsRegister(new(zone()) LAccessArgumentsAt(args, length, index)); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2585 | } |
| 2586 | |
| 2587 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2588 | LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) { |
| 2589 | LOperand* object = UseFixed(instr->value(), eax); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2590 | LToFastProperties* result = new(zone()) LToFastProperties(object); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 2591 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2592 | } |
| 2593 | |
| 2594 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2595 | LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) { |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2596 | LOperand* context = UseFixed(instr->context(), esi); |
| 2597 | LOperand* value = UseAtStart(instr->value()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2598 | LTypeof* result = new(zone()) LTypeof(context, value); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2599 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2600 | } |
| 2601 | |
| 2602 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2603 | LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2604 | return new(zone()) LTypeofIsAndBranch(UseTempRegister(instr->value())); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2605 | } |
| 2606 | |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2607 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2608 | LInstruction* LChunkBuilder::DoIsConstructCallAndBranch( |
| 2609 | HIsConstructCallAndBranch* instr) { |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2610 | return new(zone()) LIsConstructCallAndBranch(TempRegister()); |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2611 | } |
| 2612 | |
| 2613 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2614 | LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2615 | instr->ReplayEnvironment(current_block_->last_environment()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2616 | return NULL; |
| 2617 | } |
| 2618 | |
| 2619 | |
| 2620 | LInstruction* LChunkBuilder::DoStackCheck(HStackCheck* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2621 | info()->MarkAsDeferredCalling(); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2622 | if (instr->is_function_entry()) { |
| 2623 | LOperand* context = UseFixed(instr->context(), esi); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2624 | return MarkAsCall(new(zone()) LStackCheck(context), instr); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2625 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2626 | DCHECK(instr->is_backwards_branch()); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2627 | LOperand* context = UseAny(instr->context()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2628 | return AssignEnvironment( |
| 2629 | AssignPointerMap(new(zone()) LStackCheck(context))); |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 2630 | } |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2631 | } |
| 2632 | |
| 2633 | |
| 2634 | LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) { |
| 2635 | HEnvironment* outer = current_block_->last_environment(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2636 | outer->set_ast_id(instr->ReturnId()); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2637 | HConstant* undefined = graph()->GetConstantUndefined(); |
| 2638 | HEnvironment* inner = outer->CopyForInlining(instr->closure(), |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2639 | instr->arguments_count(), |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2640 | instr->function(), |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2641 | undefined, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2642 | instr->inlining_kind()); |
| 2643 | // Only replay binding of arguments object if it wasn't removed from graph. |
| 2644 | if (instr->arguments_var() != NULL && instr->arguments_object()->IsLinked()) { |
| 2645 | inner->Bind(instr->arguments_var(), instr->arguments_object()); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2646 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2647 | inner->BindContext(instr->closure_context()); |
| 2648 | inner->set_entry(instr); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2649 | current_block_->UpdateEnvironment(inner); |
| 2650 | chunk_->AddInlinedClosure(instr->closure()); |
| 2651 | return NULL; |
| 2652 | } |
| 2653 | |
| 2654 | |
| 2655 | LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2656 | LInstruction* pop = NULL; |
| 2657 | |
| 2658 | HEnvironment* env = current_block_->last_environment(); |
| 2659 | |
| 2660 | if (env->entry()->arguments_pushed()) { |
| 2661 | int argument_count = env->arguments_environment()->parameter_count(); |
| 2662 | pop = new(zone()) LDrop(argument_count); |
| 2663 | DCHECK(instr->argument_delta() == -argument_count); |
| 2664 | } |
| 2665 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2666 | HEnvironment* outer = current_block_->last_environment()-> |
| 2667 | DiscardInlined(false); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2668 | current_block_->UpdateEnvironment(outer); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2669 | return pop; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 2670 | } |
| 2671 | |
| 2672 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2673 | LInstruction* LChunkBuilder::DoForInPrepareMap(HForInPrepareMap* instr) { |
| 2674 | LOperand* context = UseFixed(instr->context(), esi); |
| 2675 | LOperand* object = UseFixed(instr->enumerable(), eax); |
| 2676 | LForInPrepareMap* result = new(zone()) LForInPrepareMap(context, object); |
| 2677 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 2678 | } |
| 2679 | |
| 2680 | |
| 2681 | LInstruction* LChunkBuilder::DoForInCacheArray(HForInCacheArray* instr) { |
| 2682 | LOperand* map = UseRegister(instr->map()); |
| 2683 | return AssignEnvironment(DefineAsRegister( |
| 2684 | new(zone()) LForInCacheArray(map))); |
| 2685 | } |
| 2686 | |
| 2687 | |
| 2688 | LInstruction* LChunkBuilder::DoCheckMapValue(HCheckMapValue* instr) { |
| 2689 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2690 | LOperand* map = UseRegisterAtStart(instr->map()); |
| 2691 | return AssignEnvironment(new(zone()) LCheckMapValue(value, map)); |
| 2692 | } |
| 2693 | |
| 2694 | |
| 2695 | LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
| 2696 | LOperand* object = UseRegister(instr->object()); |
| 2697 | LOperand* index = UseTempRegister(instr->index()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2698 | LLoadFieldByIndex* load = new(zone()) LLoadFieldByIndex(object, index); |
| 2699 | LInstruction* result = DefineSameAsFirst(load); |
| 2700 | return AssignPointerMap(result); |
| 2701 | } |
| 2702 | |
| 2703 | |
| 2704 | LInstruction* LChunkBuilder::DoStoreFrameContext(HStoreFrameContext* instr) { |
| 2705 | LOperand* context = UseRegisterAtStart(instr->context()); |
| 2706 | return new(zone()) LStoreFrameContext(context); |
| 2707 | } |
| 2708 | |
| 2709 | |
| 2710 | LInstruction* LChunkBuilder::DoAllocateBlockContext( |
| 2711 | HAllocateBlockContext* instr) { |
| 2712 | LOperand* context = UseFixed(instr->context(), esi); |
| 2713 | LOperand* function = UseRegisterAtStart(instr->function()); |
| 2714 | LAllocateBlockContext* result = |
| 2715 | new(zone()) LAllocateBlockContext(context, function); |
| 2716 | return MarkAsCall(DefineFixed(result, esi), instr); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 2717 | } |
| 2718 | |
| 2719 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 2720 | } } // namespace v8::internal |
Ben Murdoch | b8e0da2 | 2011-05-16 14:20:40 +0100 | [diff] [blame] | 2721 | |
| 2722 | #endif // V8_TARGET_ARCH_IA32 |