erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 28 | #include "v8.h" |
| 29 | |
| 30 | #if defined(V8_TARGET_ARCH_IA32) |
| 31 | |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 32 | #include "lithium-allocator-inl.h" |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 33 | #include "ia32/lithium-ia32.h" |
| 34 | #include "ia32/lithium-codegen-ia32.h" |
| 35 | |
| 36 | namespace v8 { |
| 37 | namespace internal { |
| 38 | |
| 39 | #define DEFINE_COMPILE(type) \ |
| 40 | void L##type::CompileToNative(LCodeGen* generator) { \ |
| 41 | generator->Do##type(this); \ |
| 42 | } |
| 43 | LITHIUM_CONCRETE_INSTRUCTION_LIST(DEFINE_COMPILE) |
| 44 | #undef DEFINE_COMPILE |
| 45 | |
| 46 | LOsrEntry::LOsrEntry() { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 47 | for (int i = 0; i < Register::NumAllocatableRegisters(); ++i) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 48 | register_spills_[i] = NULL; |
| 49 | } |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 50 | for (int i = 0; i < DoubleRegister::NumAllocatableRegisters(); ++i) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 51 | double_register_spills_[i] = NULL; |
| 52 | } |
| 53 | } |
| 54 | |
| 55 | |
| 56 | void LOsrEntry::MarkSpilledRegister(int allocation_index, |
| 57 | LOperand* spill_operand) { |
| 58 | ASSERT(spill_operand->IsStackSlot()); |
| 59 | ASSERT(register_spills_[allocation_index] == NULL); |
| 60 | register_spills_[allocation_index] = spill_operand; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | void LOsrEntry::MarkSpilledDoubleRegister(int allocation_index, |
| 65 | LOperand* spill_operand) { |
| 66 | ASSERT(spill_operand->IsDoubleStackSlot()); |
| 67 | ASSERT(double_register_spills_[allocation_index] == NULL); |
| 68 | double_register_spills_[allocation_index] = spill_operand; |
| 69 | } |
| 70 | |
| 71 | |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 72 | #ifdef DEBUG |
| 73 | void LInstruction::VerifyCall() { |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 74 | // Call instructions can use only fixed registers as temporaries and |
| 75 | // outputs because all registers are blocked by the calling convention. |
| 76 | // Inputs operands must use a fixed register or use-at-start policy or |
| 77 | // a non-register policy. |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 78 | ASSERT(Output() == NULL || |
| 79 | LUnallocated::cast(Output())->HasFixedPolicy() || |
| 80 | !LUnallocated::cast(Output())->HasRegisterPolicy()); |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 81 | for (UseIterator it(this); !it.Done(); it.Advance()) { |
| 82 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 83 | ASSERT(operand->HasFixedPolicy() || |
| 84 | operand->IsUsedAtStart()); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 85 | } |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 86 | for (TempIterator it(this); !it.Done(); it.Advance()) { |
| 87 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 88 | ASSERT(operand->HasFixedPolicy() ||!operand->HasRegisterPolicy()); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 89 | } |
| 90 | } |
| 91 | #endif |
| 92 | |
| 93 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 94 | bool LInstruction::HasDoubleRegisterResult() { |
| 95 | return HasResult() && result()->IsDoubleRegister(); |
| 96 | } |
| 97 | |
| 98 | |
| 99 | bool LInstruction::HasDoubleRegisterInput() { |
| 100 | for (int i = 0; i < InputCount(); i++) { |
| 101 | LOperand* op = InputAt(i); |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 102 | if (op != NULL && op->IsDoubleRegister()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 103 | return true; |
| 104 | } |
| 105 | } |
| 106 | return false; |
| 107 | } |
| 108 | |
| 109 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 110 | void LInstruction::PrintTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 111 | stream->Add("%s ", this->Mnemonic()); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 112 | |
| 113 | PrintOutputOperandTo(stream); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 114 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 115 | PrintDataTo(stream); |
| 116 | |
| 117 | if (HasEnvironment()) { |
| 118 | stream->Add(" "); |
| 119 | environment()->PrintTo(stream); |
| 120 | } |
| 121 | |
| 122 | if (HasPointerMap()) { |
| 123 | stream->Add(" "); |
| 124 | pointer_map()->PrintTo(stream); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 129 | void LInstruction::PrintDataTo(StringStream* stream) { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 130 | stream->Add("= "); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 131 | for (int i = 0; i < InputCount(); i++) { |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 132 | if (i > 0) stream->Add(" "); |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 133 | if (InputAt(i) == NULL) { |
| 134 | stream->Add("NULL"); |
| 135 | } else { |
| 136 | InputAt(i)->PrintTo(stream); |
| 137 | } |
svenpanne@chromium.org | 6d786c9 | 2011-06-15 10:58:27 +0000 | [diff] [blame] | 138 | } |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 142 | void LInstruction::PrintOutputOperandTo(StringStream* stream) { |
| 143 | if (HasResult()) result()->PrintTo(stream); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | |
| 147 | void LLabel::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 148 | LGap::PrintDataTo(stream); |
| 149 | LLabel* rep = replacement(); |
| 150 | if (rep != NULL) { |
| 151 | stream->Add(" Dead block replaced with B%d", rep->block_id()); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 156 | bool LGap::IsRedundant() const { |
| 157 | for (int i = 0; i < 4; i++) { |
| 158 | if (parallel_moves_[i] != NULL && !parallel_moves_[i]->IsRedundant()) { |
| 159 | return false; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | return true; |
| 164 | } |
| 165 | |
| 166 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 167 | void LGap::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 168 | for (int i = 0; i < 4; i++) { |
| 169 | stream->Add("("); |
| 170 | if (parallel_moves_[i] != NULL) { |
| 171 | parallel_moves_[i]->PrintDataTo(stream); |
| 172 | } |
| 173 | stream->Add(") "); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | |
| 178 | const char* LArithmeticD::Mnemonic() const { |
| 179 | switch (op()) { |
| 180 | case Token::ADD: return "add-d"; |
| 181 | case Token::SUB: return "sub-d"; |
| 182 | case Token::MUL: return "mul-d"; |
| 183 | case Token::DIV: return "div-d"; |
| 184 | case Token::MOD: return "mod-d"; |
| 185 | default: |
| 186 | UNREACHABLE(); |
| 187 | return NULL; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | |
| 192 | const char* LArithmeticT::Mnemonic() const { |
| 193 | switch (op()) { |
| 194 | case Token::ADD: return "add-t"; |
| 195 | case Token::SUB: return "sub-t"; |
| 196 | case Token::MUL: return "mul-t"; |
| 197 | case Token::MOD: return "mod-t"; |
| 198 | case Token::DIV: return "div-t"; |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 199 | case Token::BIT_AND: return "bit-and-t"; |
| 200 | case Token::BIT_OR: return "bit-or-t"; |
| 201 | case Token::BIT_XOR: return "bit-xor-t"; |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 202 | case Token::ROR: return "ror-t"; |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 203 | case Token::SHL: return "sal-t"; |
| 204 | case Token::SAR: return "sar-t"; |
| 205 | case Token::SHR: return "shr-t"; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 206 | default: |
| 207 | UNREACHABLE(); |
| 208 | return NULL; |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | |
ulan@chromium.org | 32d7dba | 2013-04-24 10:59:06 +0000 | [diff] [blame] | 213 | bool LGoto::HasInterestingComment(LCodeGen* gen) const { |
| 214 | return !gen->IsNextEmittedBlock(block_id()); |
| 215 | } |
| 216 | |
| 217 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 218 | void LGoto::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 219 | stream->Add("B%d", block_id()); |
| 220 | } |
| 221 | |
| 222 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 223 | void LBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 224 | stream->Add("B%d | B%d on ", true_block_id(), false_block_id()); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 225 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 226 | } |
| 227 | |
| 228 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 229 | void LCmpIDAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 230 | stream->Add("if "); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 231 | left()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 232 | stream->Add(" %s ", Token::String(op())); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 233 | right()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 234 | stream->Add(" then B%d else B%d", true_block_id(), false_block_id()); |
| 235 | } |
| 236 | |
| 237 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 238 | void LIsObjectAndBranch::PrintDataTo(StringStream* stream) { |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 239 | stream->Add("if is_object("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 240 | value()->PrintTo(stream); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 241 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 242 | } |
| 243 | |
| 244 | |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 245 | void LIsStringAndBranch::PrintDataTo(StringStream* stream) { |
| 246 | stream->Add("if is_string("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 247 | value()->PrintTo(stream); |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 248 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 249 | } |
| 250 | |
| 251 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 252 | void LIsSmiAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 253 | stream->Add("if is_smi("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 254 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 255 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 256 | } |
| 257 | |
| 258 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 259 | void LIsUndetectableAndBranch::PrintDataTo(StringStream* stream) { |
| 260 | stream->Add("if is_undetectable("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 261 | value()->PrintTo(stream); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 262 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 263 | } |
| 264 | |
| 265 | |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 266 | void LStringCompareAndBranch::PrintDataTo(StringStream* stream) { |
| 267 | stream->Add("if string_compare("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 268 | left()->PrintTo(stream); |
| 269 | right()->PrintTo(stream); |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 270 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 271 | } |
| 272 | |
| 273 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 274 | void LHasInstanceTypeAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 275 | stream->Add("if has_instance_type("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 276 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 277 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 278 | } |
| 279 | |
| 280 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 281 | void LHasCachedArrayIndexAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 282 | stream->Add("if has_cached_array_index("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 283 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 284 | stream->Add(") then B%d else B%d", true_block_id(), false_block_id()); |
| 285 | } |
| 286 | |
| 287 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 288 | void LClassOfTestAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 289 | stream->Add("if class_of_test("); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 290 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 291 | stream->Add(", \"%o\") then B%d else B%d", |
| 292 | *hydrogen()->class_name(), |
| 293 | true_block_id(), |
| 294 | false_block_id()); |
| 295 | } |
| 296 | |
| 297 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 298 | void LTypeofIsAndBranch::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 299 | stream->Add("if typeof "); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 300 | value()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 301 | stream->Add(" == \"%s\" then B%d else B%d", |
| 302 | *hydrogen()->type_literal()->ToCString(), |
| 303 | true_block_id(), false_block_id()); |
| 304 | } |
| 305 | |
| 306 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 307 | void LInnerAllocatedObject::PrintDataTo(StringStream* stream) { |
| 308 | stream->Add(" = "); |
| 309 | base_object()->PrintTo(stream); |
| 310 | stream->Add(" + %d", offset()); |
| 311 | } |
| 312 | |
| 313 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 314 | void LCallConstantFunction::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 315 | stream->Add("#%d / ", arity()); |
| 316 | } |
| 317 | |
| 318 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 319 | void LLoadContextSlot::PrintDataTo(StringStream* stream) { |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 320 | context()->PrintTo(stream); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 321 | stream->Add("[%d]", slot_index()); |
| 322 | } |
| 323 | |
| 324 | |
| 325 | void LStoreContextSlot::PrintDataTo(StringStream* stream) { |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 326 | context()->PrintTo(stream); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 327 | stream->Add("[%d] <- ", slot_index()); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 328 | value()->PrintTo(stream); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 329 | } |
| 330 | |
| 331 | |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 332 | void LInvokeFunction::PrintDataTo(StringStream* stream) { |
| 333 | stream->Add("= "); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 334 | context()->PrintTo(stream); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 335 | stream->Add(" "); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 336 | function()->PrintTo(stream); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 337 | stream->Add(" #%d / ", arity()); |
| 338 | } |
| 339 | |
| 340 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 341 | void LCallKeyed::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 342 | stream->Add("[ecx] #%d / ", arity()); |
| 343 | } |
| 344 | |
| 345 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 346 | void LCallNamed::PrintDataTo(StringStream* stream) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 347 | SmartArrayPointer<char> name_string = name()->ToCString(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 348 | stream->Add("%s #%d / ", *name_string, arity()); |
| 349 | } |
| 350 | |
| 351 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 352 | void LCallGlobal::PrintDataTo(StringStream* stream) { |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 353 | SmartArrayPointer<char> name_string = name()->ToCString(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 354 | stream->Add("%s #%d / ", *name_string, arity()); |
| 355 | } |
| 356 | |
| 357 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 358 | void LCallKnownGlobal::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 359 | stream->Add("#%d / ", arity()); |
| 360 | } |
| 361 | |
| 362 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 363 | void LCallNew::PrintDataTo(StringStream* stream) { |
| 364 | stream->Add("= "); |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 365 | context()->PrintTo(stream); |
| 366 | stream->Add(" "); |
| 367 | constructor()->PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 368 | stream->Add(" #%d / ", arity()); |
| 369 | } |
| 370 | |
| 371 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 372 | void LCallNewArray::PrintDataTo(StringStream* stream) { |
| 373 | stream->Add("= "); |
| 374 | context()->PrintTo(stream); |
| 375 | stream->Add(" "); |
| 376 | constructor()->PrintTo(stream); |
| 377 | stream->Add(" #%d / ", arity()); |
| 378 | ASSERT(hydrogen()->property_cell()->value()->IsSmi()); |
| 379 | ElementsKind kind = static_cast<ElementsKind>( |
| 380 | Smi::cast(hydrogen()->property_cell()->value())->value()); |
| 381 | stream->Add(" (%s) ", ElementsKindToString(kind)); |
| 382 | } |
| 383 | |
| 384 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 385 | void LAccessArgumentsAt::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 386 | arguments()->PrintTo(stream); |
| 387 | |
| 388 | stream->Add(" length "); |
| 389 | length()->PrintTo(stream); |
| 390 | |
| 391 | stream->Add(" index "); |
| 392 | index()->PrintTo(stream); |
| 393 | } |
| 394 | |
| 395 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 396 | int LPlatformChunk::GetNextSpillIndex(bool is_double) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 397 | // Skip a slot if for a double-width slot. |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 398 | if (is_double) { |
| 399 | spill_slot_count_++; |
| 400 | spill_slot_count_ |= 1; |
| 401 | num_double_slots_++; |
| 402 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 403 | return spill_slot_count_++; |
| 404 | } |
| 405 | |
| 406 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 407 | LOperand* LPlatformChunk::GetNextSpillSlot(bool is_double) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 408 | int index = GetNextSpillIndex(is_double); |
| 409 | if (is_double) { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 410 | return LDoubleStackSlot::Create(index, zone()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 411 | } else { |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 412 | return LStackSlot::Create(index, zone()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 413 | } |
| 414 | } |
| 415 | |
| 416 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 417 | void LStoreNamedField::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 418 | object()->PrintTo(stream); |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 419 | hydrogen()->access().PrintTo(stream); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 420 | stream->Add(" <- "); |
| 421 | value()->PrintTo(stream); |
| 422 | } |
| 423 | |
| 424 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 425 | void LStoreNamedGeneric::PrintDataTo(StringStream* stream) { |
| 426 | object()->PrintTo(stream); |
| 427 | stream->Add("."); |
| 428 | stream->Add(*String::cast(*name())->ToCString()); |
| 429 | stream->Add(" <- "); |
| 430 | value()->PrintTo(stream); |
| 431 | } |
| 432 | |
| 433 | |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 434 | void LLoadKeyed::PrintDataTo(StringStream* stream) { |
| 435 | elements()->PrintTo(stream); |
| 436 | stream->Add("["); |
| 437 | key()->PrintTo(stream); |
| 438 | if (hydrogen()->IsDehoisted()) { |
| 439 | stream->Add(" + %d]", additional_index()); |
| 440 | } else { |
| 441 | stream->Add("]"); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 446 | void LStoreKeyed::PrintDataTo(StringStream* stream) { |
rossberg@chromium.org | 717967f | 2011-07-20 13:44:42 +0000 | [diff] [blame] | 447 | elements()->PrintTo(stream); |
| 448 | stream->Add("["); |
| 449 | key()->PrintTo(stream); |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 450 | if (hydrogen()->IsDehoisted()) { |
| 451 | stream->Add(" + %d] <-", additional_index()); |
| 452 | } else { |
| 453 | stream->Add("] <- "); |
| 454 | } |
verwaest@chromium.org | d4be0f0 | 2013-06-05 13:39:03 +0000 | [diff] [blame] | 455 | |
| 456 | if (value() == NULL) { |
| 457 | ASSERT(hydrogen()->IsConstantHoleStore() && |
| 458 | hydrogen()->value()->representation().IsDouble()); |
| 459 | stream->Add("<the hole(nan)>"); |
| 460 | } else { |
| 461 | value()->PrintTo(stream); |
| 462 | } |
rossberg@chromium.org | 717967f | 2011-07-20 13:44:42 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 466 | void LStoreKeyedGeneric::PrintDataTo(StringStream* stream) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 467 | object()->PrintTo(stream); |
| 468 | stream->Add("["); |
| 469 | key()->PrintTo(stream); |
| 470 | stream->Add("] <- "); |
| 471 | value()->PrintTo(stream); |
| 472 | } |
| 473 | |
| 474 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 475 | void LTransitionElementsKind::PrintDataTo(StringStream* stream) { |
| 476 | object()->PrintTo(stream); |
| 477 | stream->Add(" %p -> %p", *original_map(), *transitioned_map()); |
| 478 | } |
| 479 | |
| 480 | |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 481 | LPlatformChunk* LChunkBuilder::Build() { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 482 | ASSERT(is_unused()); |
jkummerow@chromium.org | 28583c9 | 2012-07-16 11:31:55 +0000 | [diff] [blame] | 483 | chunk_ = new(zone()) LPlatformChunk(info(), graph()); |
ulan@chromium.org | 9a21ec4 | 2012-03-06 08:42:24 +0000 | [diff] [blame] | 484 | HPhase phase("L_Building chunk", chunk_); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 485 | status_ = BUILDING; |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 486 | |
| 487 | // Reserve the first spill slot for the state of dynamic alignment. |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 488 | if (info()->IsOptimizing()) { |
| 489 | int alignment_state_index = chunk_->GetNextSpillIndex(false); |
| 490 | ASSERT_EQ(alignment_state_index, 0); |
| 491 | USE(alignment_state_index); |
| 492 | } |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 493 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 494 | const ZoneList<HBasicBlock*>* blocks = graph()->blocks(); |
| 495 | for (int i = 0; i < blocks->length(); i++) { |
| 496 | HBasicBlock* next = NULL; |
| 497 | if (i < blocks->length() - 1) next = blocks->at(i + 1); |
| 498 | DoBasicBlock(blocks->at(i), next); |
| 499 | if (is_aborted()) return NULL; |
| 500 | } |
| 501 | status_ = DONE; |
| 502 | return chunk_; |
| 503 | } |
| 504 | |
| 505 | |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 506 | void LChunkBuilder::Abort(const char* reason) { |
| 507 | info()->set_bailout_reason(reason); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 508 | status_ = ABORTED; |
| 509 | } |
| 510 | |
| 511 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 512 | LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 513 | return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, |
| 514 | Register::ToAllocationIndex(reg)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | |
| 518 | LUnallocated* LChunkBuilder::ToUnallocated(XMMRegister reg) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 519 | return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
| 520 | XMMRegister::ToAllocationIndex(reg)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 521 | } |
| 522 | |
| 523 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 524 | LUnallocated* LChunkBuilder::ToUnallocated(X87TopOfStackRegister reg) { |
| 525 | return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, |
| 526 | X87TopOfStackRegister::ToAllocationIndex(reg)); |
| 527 | } |
| 528 | |
| 529 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 530 | LOperand* LChunkBuilder::UseFixed(HValue* value, Register fixed_register) { |
| 531 | return Use(value, ToUnallocated(fixed_register)); |
| 532 | } |
| 533 | |
| 534 | |
| 535 | LOperand* LChunkBuilder::UseFixedDouble(HValue* value, XMMRegister reg) { |
| 536 | return Use(value, ToUnallocated(reg)); |
| 537 | } |
| 538 | |
| 539 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 540 | LOperand* LChunkBuilder::UseX87TopOfStack(HValue* value) { |
| 541 | return Use(value, ToUnallocated(x87tos)); |
| 542 | } |
| 543 | |
| 544 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 545 | LOperand* LChunkBuilder::UseRegister(HValue* value) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 546 | return Use(value, new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | |
| 550 | LOperand* LChunkBuilder::UseRegisterAtStart(HValue* value) { |
| 551 | return Use(value, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 552 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER, |
| 553 | LUnallocated::USED_AT_START)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 554 | } |
| 555 | |
| 556 | |
| 557 | LOperand* LChunkBuilder::UseTempRegister(HValue* value) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 558 | return Use(value, new(zone()) LUnallocated(LUnallocated::WRITABLE_REGISTER)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | |
| 562 | LOperand* LChunkBuilder::Use(HValue* value) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 563 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | |
| 567 | LOperand* LChunkBuilder::UseAtStart(HValue* value) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 568 | return Use(value, new(zone()) LUnallocated(LUnallocated::NONE, |
| 569 | LUnallocated::USED_AT_START)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | |
| 573 | LOperand* LChunkBuilder::UseOrConstant(HValue* value) { |
| 574 | return value->IsConstant() |
| 575 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 576 | : Use(value); |
| 577 | } |
| 578 | |
| 579 | |
| 580 | LOperand* LChunkBuilder::UseOrConstantAtStart(HValue* value) { |
| 581 | return value->IsConstant() |
| 582 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 583 | : UseAtStart(value); |
| 584 | } |
| 585 | |
| 586 | |
| 587 | LOperand* LChunkBuilder::UseRegisterOrConstant(HValue* value) { |
| 588 | return value->IsConstant() |
| 589 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 590 | : UseRegister(value); |
| 591 | } |
| 592 | |
| 593 | |
| 594 | LOperand* LChunkBuilder::UseRegisterOrConstantAtStart(HValue* value) { |
| 595 | return value->IsConstant() |
| 596 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
| 597 | : UseRegisterAtStart(value); |
| 598 | } |
| 599 | |
| 600 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 601 | LOperand* LChunkBuilder::UseConstant(HValue* value) { |
| 602 | return chunk_->DefineConstantOperand(HConstant::cast(value)); |
| 603 | } |
| 604 | |
| 605 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 606 | LOperand* LChunkBuilder::UseAny(HValue* value) { |
| 607 | return value->IsConstant() |
| 608 | ? chunk_->DefineConstantOperand(HConstant::cast(value)) |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 609 | : Use(value, new(zone()) LUnallocated(LUnallocated::ANY)); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 610 | } |
| 611 | |
| 612 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 613 | LOperand* LChunkBuilder::Use(HValue* value, LUnallocated* operand) { |
| 614 | if (value->EmitAtUses()) { |
| 615 | HInstruction* instr = HInstruction::cast(value); |
| 616 | VisitInstruction(instr); |
| 617 | } |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 618 | operand->set_virtual_register(value->id()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 619 | return operand; |
| 620 | } |
| 621 | |
| 622 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 623 | template<int I, int T> |
| 624 | LInstruction* LChunkBuilder::Define(LTemplateInstruction<1, I, T>* instr, |
| 625 | LUnallocated* result) { |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 626 | result->set_virtual_register(current_instruction_->id()); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 627 | instr->set_result(result); |
| 628 | return instr; |
| 629 | } |
| 630 | |
| 631 | |
| 632 | template<int I, int T> |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 633 | LInstruction* LChunkBuilder::DefineAsRegister( |
| 634 | LTemplateInstruction<1, I, T>* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 635 | return Define(instr, |
| 636 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 637 | } |
| 638 | |
| 639 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 640 | template<int I, int T> |
| 641 | LInstruction* LChunkBuilder::DefineAsSpilled( |
| 642 | LTemplateInstruction<1, I, T>* instr, |
| 643 | int index) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 644 | return Define(instr, |
| 645 | new(zone()) LUnallocated(LUnallocated::FIXED_SLOT, index)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 649 | template<int I, int T> |
| 650 | LInstruction* LChunkBuilder::DefineSameAsFirst( |
| 651 | LTemplateInstruction<1, I, T>* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 652 | return Define(instr, |
| 653 | new(zone()) LUnallocated(LUnallocated::SAME_AS_FIRST_INPUT)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 657 | template<int I, int T> |
| 658 | LInstruction* LChunkBuilder::DefineFixed(LTemplateInstruction<1, I, T>* instr, |
| 659 | Register reg) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 660 | return Define(instr, ToUnallocated(reg)); |
| 661 | } |
| 662 | |
| 663 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 664 | template<int I, int T> |
| 665 | LInstruction* LChunkBuilder::DefineFixedDouble( |
| 666 | LTemplateInstruction<1, I, T>* instr, |
| 667 | XMMRegister reg) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 668 | return Define(instr, ToUnallocated(reg)); |
| 669 | } |
| 670 | |
| 671 | |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 672 | template<int I, int T> |
| 673 | LInstruction* LChunkBuilder::DefineX87TOS( |
| 674 | LTemplateInstruction<1, I, T>* instr) { |
| 675 | return Define(instr, ToUnallocated(x87tos)); |
| 676 | } |
| 677 | |
| 678 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 679 | LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) { |
| 680 | HEnvironment* hydrogen_env = current_block_->last_environment(); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 681 | int argument_index_accumulator = 0; |
| 682 | instr->set_environment(CreateEnvironment(hydrogen_env, |
| 683 | &argument_index_accumulator)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 684 | return instr; |
| 685 | } |
| 686 | |
| 687 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 688 | LInstruction* LChunkBuilder::MarkAsCall(LInstruction* instr, |
| 689 | HInstruction* hinstr, |
| 690 | CanDeoptimize can_deoptimize) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 691 | info()->MarkAsNonDeferredCalling(); |
| 692 | |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 693 | #ifdef DEBUG |
| 694 | instr->VerifyCall(); |
| 695 | #endif |
| 696 | instr->MarkAsCall(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 697 | instr = AssignPointerMap(instr); |
| 698 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 699 | if (hinstr->HasObservableSideEffects()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 700 | ASSERT(hinstr->next()->IsSimulate()); |
| 701 | HSimulate* sim = HSimulate::cast(hinstr->next()); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 702 | ASSERT(instruction_pending_deoptimization_environment_ == NULL); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 703 | ASSERT(pending_deoptimization_ast_id_.IsNone()); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 704 | instruction_pending_deoptimization_environment_ = instr; |
| 705 | pending_deoptimization_ast_id_ = sim->ast_id(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 706 | } |
| 707 | |
| 708 | // If instruction does not have side-effects lazy deoptimization |
| 709 | // after the call will try to deoptimize to the point before the call. |
| 710 | // Thus we still need to attach environment to this call even if |
| 711 | // call sequence can not deoptimize eagerly. |
| 712 | bool needs_environment = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 713 | (can_deoptimize == CAN_DEOPTIMIZE_EAGERLY) || |
| 714 | !hinstr->HasObservableSideEffects(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 715 | if (needs_environment && !instr->HasEnvironment()) { |
| 716 | instr = AssignEnvironment(instr); |
| 717 | } |
| 718 | |
| 719 | return instr; |
| 720 | } |
| 721 | |
| 722 | |
| 723 | LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { |
| 724 | ASSERT(!instr->HasPointerMap()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 725 | instr->set_pointer_map(new(zone()) LPointerMap(position_, zone())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 726 | return instr; |
| 727 | } |
| 728 | |
| 729 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 730 | LUnallocated* LChunkBuilder::TempRegister() { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 731 | LUnallocated* operand = |
| 732 | new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 733 | int vreg = allocator_->GetVirtualRegister(); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 734 | if (!allocator_->AllocationOk()) { |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 735 | Abort("Out of virtual registers while trying to allocate temp register."); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 736 | vreg = 0; |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 737 | } |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 738 | operand->set_virtual_register(vreg); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 739 | return operand; |
| 740 | } |
| 741 | |
| 742 | |
| 743 | LOperand* LChunkBuilder::FixedTemp(Register reg) { |
| 744 | LUnallocated* operand = ToUnallocated(reg); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 745 | ASSERT(operand->HasFixedPolicy()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 746 | return operand; |
| 747 | } |
| 748 | |
| 749 | |
| 750 | LOperand* LChunkBuilder::FixedTemp(XMMRegister reg) { |
| 751 | LUnallocated* operand = ToUnallocated(reg); |
rossberg@chromium.org | 994edf6 | 2012-02-06 10:12:55 +0000 | [diff] [blame] | 752 | ASSERT(operand->HasFixedPolicy()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 753 | return operand; |
| 754 | } |
| 755 | |
| 756 | |
| 757 | LInstruction* LChunkBuilder::DoBlockEntry(HBlockEntry* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 758 | return new(zone()) LLabel(instr->block()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 759 | } |
| 760 | |
| 761 | |
yangguo@chromium.org | 46a2a51 | 2013-01-18 16:29:40 +0000 | [diff] [blame] | 762 | LInstruction* LChunkBuilder::DoDummyUse(HDummyUse* instr) { |
| 763 | return DefineAsRegister(new(zone()) LDummyUse(UseAny(instr->value()))); |
| 764 | } |
| 765 | |
| 766 | |
verwaest@chromium.org | d4be0f0 | 2013-06-05 13:39:03 +0000 | [diff] [blame] | 767 | LInstruction* LChunkBuilder::DoEnvironmentMarker(HEnvironmentMarker* instr) { |
| 768 | UNREACHABLE(); |
| 769 | return NULL; |
| 770 | } |
| 771 | |
| 772 | |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 773 | LInstruction* LChunkBuilder::DoSoftDeoptimize(HSoftDeoptimize* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 774 | return AssignEnvironment(new(zone()) LDeoptimize); |
jkummerow@chromium.org | e297f59 | 2011-06-08 10:05:15 +0000 | [diff] [blame] | 775 | } |
| 776 | |
| 777 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 778 | LInstruction* LChunkBuilder::DoDeoptimize(HDeoptimize* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 779 | return AssignEnvironment(new(zone()) LDeoptimize); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 780 | } |
| 781 | |
| 782 | |
| 783 | LInstruction* LChunkBuilder::DoShift(Token::Value op, |
| 784 | HBitwiseBinaryOperation* instr) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 785 | if (instr->representation().IsSmiOrTagged()) { |
| 786 | ASSERT(instr->left()->representation().IsSmiOrTagged()); |
| 787 | ASSERT(instr->right()->representation().IsSmiOrTagged()); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 788 | |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 789 | LOperand* context = UseFixed(instr->context(), esi); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 790 | LOperand* left = UseFixed(instr->left(), edx); |
| 791 | LOperand* right = UseFixed(instr->right(), eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 792 | LArithmeticT* result = new(zone()) LArithmeticT(op, context, left, right); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 793 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 794 | } |
| 795 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 796 | ASSERT(instr->representation().IsInteger32()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 797 | ASSERT(instr->left()->representation().IsInteger32()); |
| 798 | ASSERT(instr->right()->representation().IsInteger32()); |
| 799 | LOperand* left = UseRegisterAtStart(instr->left()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 800 | |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 801 | HValue* right_value = instr->right(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 802 | LOperand* right = NULL; |
| 803 | int constant_value = 0; |
| 804 | if (right_value->IsConstant()) { |
| 805 | HConstant* constant = HConstant::cast(right_value); |
| 806 | right = chunk_->DefineConstantOperand(constant); |
| 807 | constant_value = constant->Integer32Value() & 0x1f; |
| 808 | } else { |
| 809 | right = UseFixed(right_value, ecx); |
| 810 | } |
| 811 | |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 812 | // Shift operations can only deoptimize if we do a logical shift by 0 and |
| 813 | // the result cannot be truncated to int32. |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 814 | bool does_deopt = false; |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 815 | if (op == Token::SHR && constant_value == 0) { |
| 816 | if (FLAG_opt_safe_uint32_operations) { |
| 817 | does_deopt = !instr->CheckFlag(HInstruction::kUint32); |
| 818 | } else { |
| 819 | for (HUseIterator it(instr->uses()); !it.Done(); it.Advance()) { |
| 820 | if (!it.value()->CheckFlag(HValue::kTruncatingToInt32)) { |
| 821 | does_deopt = true; |
| 822 | break; |
| 823 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 824 | } |
| 825 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 826 | } |
| 827 | |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 828 | LInstruction* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 829 | DefineSameAsFirst(new(zone()) LShiftI(op, left, right, does_deopt)); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 830 | return does_deopt ? AssignEnvironment(result) : result; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | |
| 834 | LInstruction* LChunkBuilder::DoArithmeticD(Token::Value op, |
| 835 | HArithmeticBinaryOperation* instr) { |
| 836 | ASSERT(instr->representation().IsDouble()); |
| 837 | ASSERT(instr->left()->representation().IsDouble()); |
| 838 | ASSERT(instr->right()->representation().IsDouble()); |
karlklose@chromium.org | 8f806e8 | 2011-03-07 14:06:08 +0000 | [diff] [blame] | 839 | ASSERT(op != Token::MOD); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 840 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 841 | LOperand* right = UseRegisterAtStart(instr->BetterRightOperand()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 842 | LArithmeticD* result = new(zone()) LArithmeticD(op, left, right); |
karlklose@chromium.org | 8f806e8 | 2011-03-07 14:06:08 +0000 | [diff] [blame] | 843 | return DefineSameAsFirst(result); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 844 | } |
| 845 | |
| 846 | |
| 847 | LInstruction* LChunkBuilder::DoArithmeticT(Token::Value op, |
| 848 | HArithmeticBinaryOperation* instr) { |
| 849 | ASSERT(op == Token::ADD || |
| 850 | op == Token::DIV || |
| 851 | op == Token::MOD || |
| 852 | op == Token::MUL || |
| 853 | op == Token::SUB); |
| 854 | HValue* left = instr->left(); |
| 855 | HValue* right = instr->right(); |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 856 | ASSERT(left->representation().IsSmiOrTagged()); |
| 857 | ASSERT(right->representation().IsSmiOrTagged()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 858 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 859 | LOperand* left_operand = UseFixed(left, edx); |
| 860 | LOperand* right_operand = UseFixed(right, eax); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 861 | LArithmeticT* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 862 | new(zone()) LArithmeticT(op, context, left_operand, right_operand); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 863 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 864 | } |
| 865 | |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 866 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 867 | void LChunkBuilder::DoBasicBlock(HBasicBlock* block, HBasicBlock* next_block) { |
| 868 | ASSERT(is_building()); |
| 869 | current_block_ = block; |
| 870 | next_block_ = next_block; |
| 871 | if (block->IsStartBlock()) { |
| 872 | block->UpdateEnvironment(graph_->start_environment()); |
| 873 | argument_count_ = 0; |
| 874 | } else if (block->predecessors()->length() == 1) { |
| 875 | // We have a single predecessor => copy environment and outgoing |
| 876 | // argument count from the predecessor. |
| 877 | ASSERT(block->phis()->length() == 0); |
| 878 | HBasicBlock* pred = block->predecessors()->at(0); |
| 879 | HEnvironment* last_environment = pred->last_environment(); |
| 880 | ASSERT(last_environment != NULL); |
| 881 | // Only copy the environment, if it is later used again. |
| 882 | if (pred->end()->SecondSuccessor() == NULL) { |
| 883 | ASSERT(pred->end()->FirstSuccessor() == block); |
| 884 | } else { |
| 885 | if (pred->end()->FirstSuccessor()->block_id() > block->block_id() || |
| 886 | pred->end()->SecondSuccessor()->block_id() > block->block_id()) { |
| 887 | last_environment = last_environment->Copy(); |
| 888 | } |
| 889 | } |
| 890 | block->UpdateEnvironment(last_environment); |
| 891 | ASSERT(pred->argument_count() >= 0); |
| 892 | argument_count_ = pred->argument_count(); |
| 893 | } else { |
| 894 | // We are at a state join => process phis. |
| 895 | HBasicBlock* pred = block->predecessors()->at(0); |
| 896 | // No need to copy the environment, it cannot be used later. |
| 897 | HEnvironment* last_environment = pred->last_environment(); |
| 898 | for (int i = 0; i < block->phis()->length(); ++i) { |
| 899 | HPhi* phi = block->phis()->at(i); |
mstarzinger@chromium.org | b228be0 | 2013-04-18 14:56:59 +0000 | [diff] [blame] | 900 | if (phi->merged_index() < last_environment->length()) { |
| 901 | last_environment->SetValueAt(phi->merged_index(), phi); |
| 902 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 903 | } |
| 904 | for (int i = 0; i < block->deleted_phis()->length(); ++i) { |
mstarzinger@chromium.org | b228be0 | 2013-04-18 14:56:59 +0000 | [diff] [blame] | 905 | if (block->deleted_phis()->at(i) < last_environment->length()) { |
| 906 | last_environment->SetValueAt(block->deleted_phis()->at(i), |
| 907 | graph_->GetConstantUndefined()); |
| 908 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 909 | } |
| 910 | block->UpdateEnvironment(last_environment); |
| 911 | // Pick up the outgoing argument count of one of the predecessors. |
| 912 | argument_count_ = pred->argument_count(); |
| 913 | } |
| 914 | HInstruction* current = block->first(); |
| 915 | int start = chunk_->instructions()->length(); |
| 916 | while (current != NULL && !is_aborted()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 917 | // Code for constants in registers is generated lazily. |
| 918 | if (!current->EmitAtUses()) { |
| 919 | VisitInstruction(current); |
| 920 | } |
| 921 | current = current->next(); |
| 922 | } |
| 923 | int end = chunk_->instructions()->length() - 1; |
| 924 | if (end >= start) { |
| 925 | block->set_first_instruction_index(start); |
| 926 | block->set_last_instruction_index(end); |
| 927 | } |
| 928 | block->set_argument_count(argument_count_); |
| 929 | next_block_ = NULL; |
| 930 | current_block_ = NULL; |
| 931 | } |
| 932 | |
| 933 | |
| 934 | void LChunkBuilder::VisitInstruction(HInstruction* current) { |
| 935 | HInstruction* old_current = current_instruction_; |
| 936 | current_instruction_ = current; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 937 | if (current->has_position()) position_ = current->position(); |
| 938 | LInstruction* instr = current->CompileToLithium(this); |
| 939 | |
| 940 | if (instr != NULL) { |
mstarzinger@chromium.org | f705b50 | 2013-04-04 11:38:09 +0000 | [diff] [blame] | 941 | #if DEBUG |
| 942 | // Make sure that the lithium instruction has either no fixed register |
| 943 | // constraints in temps or the result OR no uses that are only used at |
| 944 | // start. If this invariant doesn't hold, the register allocator can decide |
| 945 | // to insert a split of a range immediately before the instruction due to an |
| 946 | // already allocated register needing to be used for the instruction's fixed |
| 947 | // register constraint. In this case, The register allocator won't see an |
| 948 | // interference between the split child and the use-at-start (it would if |
| 949 | // the it was just a plain use), so it is free to move the split child into |
| 950 | // the same register that is used for the use-at-start. |
| 951 | // See https://code.google.com/p/chromium/issues/detail?id=201590 |
| 952 | if (!(instr->ClobbersRegisters() && instr->ClobbersDoubleRegisters())) { |
| 953 | int fixed = 0; |
| 954 | int used_at_start = 0; |
| 955 | for (UseIterator it(instr); !it.Done(); it.Advance()) { |
| 956 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 957 | if (operand->IsUsedAtStart()) ++used_at_start; |
| 958 | } |
| 959 | if (instr->Output() != NULL) { |
| 960 | if (LUnallocated::cast(instr->Output())->HasFixedPolicy()) ++fixed; |
| 961 | } |
| 962 | for (TempIterator it(instr); !it.Done(); it.Advance()) { |
| 963 | LUnallocated* operand = LUnallocated::cast(it.Current()); |
| 964 | if (operand->HasFixedPolicy()) ++fixed; |
| 965 | } |
| 966 | ASSERT(fixed == 0 || used_at_start == 0); |
| 967 | } |
| 968 | #endif |
| 969 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 970 | if (FLAG_stress_pointer_maps && !instr->HasPointerMap()) { |
| 971 | instr = AssignPointerMap(instr); |
| 972 | } |
| 973 | if (FLAG_stress_environments && !instr->HasEnvironment()) { |
| 974 | instr = AssignEnvironment(instr); |
| 975 | } |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 976 | instr->set_hydrogen_value(current); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 977 | chunk_->AddInstruction(instr, current_block_); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 978 | } |
| 979 | current_instruction_ = old_current; |
| 980 | } |
| 981 | |
| 982 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 983 | LEnvironment* LChunkBuilder::CreateEnvironment( |
| 984 | HEnvironment* hydrogen_env, |
| 985 | int* argument_index_accumulator) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 986 | if (hydrogen_env == NULL) return NULL; |
| 987 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 988 | LEnvironment* outer = |
| 989 | CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 990 | BailoutId ast_id = hydrogen_env->ast_id(); |
| 991 | ASSERT(!ast_id.IsNone() || |
ulan@chromium.org | 967e270 | 2012-02-28 09:49:15 +0000 | [diff] [blame] | 992 | hydrogen_env->frame_type() != JS_FUNCTION); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 993 | int value_count = hydrogen_env->length() - hydrogen_env->specials_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 994 | LEnvironment* result = |
| 995 | new(zone()) LEnvironment(hydrogen_env->closure(), |
ulan@chromium.org | 967e270 | 2012-02-28 09:49:15 +0000 | [diff] [blame] | 996 | hydrogen_env->frame_type(), |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 997 | ast_id, |
| 998 | hydrogen_env->parameter_count(), |
| 999 | argument_count_, |
| 1000 | value_count, |
rossberg@chromium.org | 400388e | 2012-06-06 09:29:22 +0000 | [diff] [blame] | 1001 | outer, |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 1002 | hydrogen_env->entry(), |
rossberg@chromium.org | 400388e | 2012-06-06 09:29:22 +0000 | [diff] [blame] | 1003 | zone()); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 1004 | bool needs_arguments_object_materialization = false; |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 1005 | int argument_index = *argument_index_accumulator; |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 1006 | for (int i = 0; i < hydrogen_env->length(); ++i) { |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1007 | if (hydrogen_env->is_special_index(i)) continue; |
| 1008 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1009 | HValue* value = hydrogen_env->values()->at(i); |
| 1010 | LOperand* op = NULL; |
| 1011 | if (value->IsArgumentsObject()) { |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 1012 | needs_arguments_object_materialization = true; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1013 | op = NULL; |
| 1014 | } else if (value->IsPushArgument()) { |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 1015 | op = new(zone()) LArgument(argument_index++); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1016 | } else { |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1017 | op = UseAny(value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1018 | } |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 1019 | result->AddValue(op, |
| 1020 | value->representation(), |
| 1021 | value->CheckFlag(HInstruction::kUint32)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1022 | } |
| 1023 | |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 1024 | if (needs_arguments_object_materialization) { |
| 1025 | HArgumentsObject* arguments = hydrogen_env->entry() == NULL |
| 1026 | ? graph()->GetArgumentsObject() |
| 1027 | : hydrogen_env->entry()->arguments_object(); |
| 1028 | ASSERT(arguments->IsLinked()); |
| 1029 | for (int i = 1; i < arguments->arguments_count(); ++i) { |
| 1030 | HValue* value = arguments->arguments_values()->at(i); |
| 1031 | ASSERT(!value->IsArgumentsObject() && !value->IsPushArgument()); |
| 1032 | LOperand* op = UseAny(value); |
| 1033 | result->AddValue(op, |
| 1034 | value->representation(), |
| 1035 | value->CheckFlag(HInstruction::kUint32)); |
| 1036 | } |
| 1037 | } |
| 1038 | |
ulan@chromium.org | 967e270 | 2012-02-28 09:49:15 +0000 | [diff] [blame] | 1039 | if (hydrogen_env->frame_type() == JS_FUNCTION) { |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 1040 | *argument_index_accumulator = argument_index; |
| 1041 | } |
| 1042 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1043 | return result; |
| 1044 | } |
| 1045 | |
| 1046 | |
| 1047 | LInstruction* LChunkBuilder::DoGoto(HGoto* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1048 | return new(zone()) LGoto(instr->FirstSuccessor()->block_id()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1049 | } |
| 1050 | |
| 1051 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1052 | LInstruction* LChunkBuilder::DoBranch(HBranch* instr) { |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1053 | HValue* value = instr->value(); |
| 1054 | if (value->EmitAtUses()) { |
| 1055 | ASSERT(value->IsConstant()); |
| 1056 | ASSERT(!value->representation().IsDouble()); |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1057 | HBasicBlock* successor = HConstant::cast(value)->BooleanValue() |
ager@chromium.org | ea91cc5 | 2011-05-23 06:06:11 +0000 | [diff] [blame] | 1058 | ? instr->FirstSuccessor() |
| 1059 | : instr->SecondSuccessor(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1060 | return new(zone()) LGoto(successor->block_id()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1061 | } |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1062 | |
| 1063 | // Untagged integers or doubles, smis and booleans don't require a |
| 1064 | // deoptimization environment nor a temp register. |
| 1065 | Representation rep = value->representation(); |
| 1066 | HType type = value->type(); |
| 1067 | if (!rep.IsTagged() || type.IsSmi() || type.IsBoolean()) { |
| 1068 | return new(zone()) LBranch(UseRegister(value), NULL); |
| 1069 | } |
| 1070 | |
vegorov@chromium.org | 7943d46 | 2011-08-01 11:41:52 +0000 | [diff] [blame] | 1071 | ToBooleanStub::Types expected = instr->expected_input_types(); |
| 1072 | // We need a temporary register when we have to access the map *or* we have |
| 1073 | // no type info yet, in which case we handle all cases (including the ones |
| 1074 | // involving maps). |
| 1075 | bool needs_temp = expected.NeedsMap() || expected.IsEmpty(); |
| 1076 | LOperand* temp = needs_temp ? TempRegister() : NULL; |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1077 | return AssignEnvironment(new(zone()) LBranch(UseRegister(value), temp)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1078 | } |
| 1079 | |
| 1080 | |
jkummerow@chromium.org | 4e308cf | 2013-05-17 13:39:16 +0000 | [diff] [blame] | 1081 | LInstruction* LChunkBuilder::DoDebugBreak(HDebugBreak* instr) { |
| 1082 | return new(zone()) LDebugBreak(); |
| 1083 | } |
| 1084 | |
| 1085 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 1086 | LInstruction* LChunkBuilder::DoCompareMap(HCompareMap* instr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1087 | ASSERT(instr->value()->representation().IsTagged()); |
| 1088 | LOperand* value = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1089 | return new(zone()) LCmpMapAndBranch(value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1090 | } |
| 1091 | |
| 1092 | |
| 1093 | LInstruction* LChunkBuilder::DoArgumentsLength(HArgumentsLength* length) { |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 1094 | info()->MarkAsRequiresFrame(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1095 | return DefineAsRegister(new(zone()) LArgumentsLength(Use(length->value()))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | |
| 1099 | LInstruction* LChunkBuilder::DoArgumentsElements(HArgumentsElements* elems) { |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 1100 | info()->MarkAsRequiresFrame(); |
danno@chromium.org | b2a1c07 | 2012-03-23 15:47:56 +0000 | [diff] [blame] | 1101 | return DefineAsRegister(new(zone()) LArgumentsElements); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1102 | } |
| 1103 | |
| 1104 | |
| 1105 | LInstruction* LChunkBuilder::DoInstanceOf(HInstanceOf* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1106 | LOperand* left = UseFixed(instr->left(), InstanceofStub::left()); |
| 1107 | LOperand* right = UseFixed(instr->right(), InstanceofStub::right()); |
| 1108 | LOperand* context = UseFixed(instr->context(), esi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1109 | LInstanceOf* result = new(zone()) LInstanceOf(context, left, right); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1110 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1111 | } |
| 1112 | |
| 1113 | |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 1114 | LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal( |
| 1115 | HInstanceOfKnownGlobal* instr) { |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 1116 | LInstanceOfKnownGlobal* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1117 | new(zone()) LInstanceOfKnownGlobal( |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 1118 | UseFixed(instr->context(), esi), |
| 1119 | UseFixed(instr->left(), InstanceofStub::left()), |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 1120 | FixedTemp(edi)); |
ager@chromium.org | 9ee27ae | 2011-03-02 13:43:26 +0000 | [diff] [blame] | 1121 | return MarkAsCall(DefineFixed(result, eax), instr); |
kmillikin@chromium.org | d2c22f0 | 2011-01-10 08:15:37 +0000 | [diff] [blame] | 1122 | } |
| 1123 | |
| 1124 | |
mstarzinger@chromium.org | 71fc346 | 2013-02-27 09:34:27 +0000 | [diff] [blame] | 1125 | LInstruction* LChunkBuilder::DoInstanceSize(HInstanceSize* instr) { |
| 1126 | LOperand* object = UseRegisterAtStart(instr->object()); |
| 1127 | return DefineAsRegister(new(zone()) LInstanceSize(object)); |
| 1128 | } |
| 1129 | |
| 1130 | |
yangguo@chromium.org | 154ff99 | 2012-03-13 08:09:54 +0000 | [diff] [blame] | 1131 | LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) { |
| 1132 | LOperand* receiver = UseRegister(instr->receiver()); |
| 1133 | LOperand* function = UseRegisterAtStart(instr->function()); |
| 1134 | LOperand* temp = TempRegister(); |
| 1135 | LWrapReceiver* result = |
| 1136 | new(zone()) LWrapReceiver(receiver, function, temp); |
| 1137 | return AssignEnvironment(DefineSameAsFirst(result)); |
| 1138 | } |
| 1139 | |
| 1140 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1141 | LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) { |
| 1142 | LOperand* function = UseFixed(instr->function(), edi); |
| 1143 | LOperand* receiver = UseFixed(instr->receiver(), eax); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1144 | LOperand* length = UseFixed(instr->length(), ebx); |
| 1145 | LOperand* elements = UseFixed(instr->elements(), ecx); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1146 | LApplyArguments* result = new(zone()) LApplyArguments(function, |
| 1147 | receiver, |
| 1148 | length, |
yangguo@chromium.org | 154ff99 | 2012-03-13 08:09:54 +0000 | [diff] [blame] | 1149 | elements); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1150 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 1151 | } |
| 1152 | |
| 1153 | |
| 1154 | LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) { |
| 1155 | ++argument_count_; |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 1156 | LOperand* argument = UseAny(instr->argument()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1157 | return new(zone()) LPushArgument(argument); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1158 | } |
| 1159 | |
| 1160 | |
svenpanne@chromium.org | 2bda543 | 2013-03-15 12:39:50 +0000 | [diff] [blame] | 1161 | LInstruction* LChunkBuilder::DoInnerAllocatedObject( |
| 1162 | HInnerAllocatedObject* inner_object) { |
| 1163 | LOperand* base_object = UseRegisterAtStart(inner_object->base_object()); |
| 1164 | LInnerAllocatedObject* result = |
| 1165 | new(zone()) LInnerAllocatedObject(base_object); |
| 1166 | return DefineAsRegister(result); |
| 1167 | } |
| 1168 | |
| 1169 | |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1170 | LInstruction* LChunkBuilder::DoThisFunction(HThisFunction* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1171 | return instr->HasNoUses() |
| 1172 | ? NULL |
| 1173 | : DefineAsRegister(new(zone()) LThisFunction); |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1174 | } |
| 1175 | |
| 1176 | |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 1177 | LInstruction* LChunkBuilder::DoContext(HContext* instr) { |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 1178 | if (instr->HasNoUses()) return NULL; |
| 1179 | |
| 1180 | if (info()->IsStub()) { |
| 1181 | return DefineFixed(new(zone()) LContext, esi); |
| 1182 | } |
| 1183 | |
| 1184 | return DefineAsRegister(new(zone()) LContext); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 1185 | } |
| 1186 | |
| 1187 | |
| 1188 | LInstruction* LChunkBuilder::DoOuterContext(HOuterContext* instr) { |
| 1189 | LOperand* context = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1190 | return DefineAsRegister(new(zone()) LOuterContext(context)); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 1191 | } |
| 1192 | |
| 1193 | |
yangguo@chromium.org | 5645471 | 2012-02-16 15:33:53 +0000 | [diff] [blame] | 1194 | LInstruction* LChunkBuilder::DoDeclareGlobals(HDeclareGlobals* instr) { |
| 1195 | LOperand* context = UseFixed(instr->context(), esi); |
| 1196 | return MarkAsCall(new(zone()) LDeclareGlobals(context), instr); |
| 1197 | } |
| 1198 | |
| 1199 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1200 | LInstruction* LChunkBuilder::DoGlobalObject(HGlobalObject* instr) { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 1201 | LOperand* context = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1202 | return DefineAsRegister(new(zone()) LGlobalObject(context)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | |
| 1206 | LInstruction* LChunkBuilder::DoGlobalReceiver(HGlobalReceiver* instr) { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 1207 | LOperand* global_object = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1208 | return DefineAsRegister(new(zone()) LGlobalReceiver(global_object)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1209 | } |
| 1210 | |
| 1211 | |
| 1212 | LInstruction* LChunkBuilder::DoCallConstantFunction( |
| 1213 | HCallConstantFunction* instr) { |
| 1214 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1215 | return MarkAsCall(DefineFixed(new(zone()) LCallConstantFunction, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1216 | } |
| 1217 | |
| 1218 | |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 1219 | LInstruction* LChunkBuilder::DoInvokeFunction(HInvokeFunction* instr) { |
| 1220 | LOperand* context = UseFixed(instr->context(), esi); |
| 1221 | LOperand* function = UseFixed(instr->function(), edi); |
| 1222 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1223 | LInvokeFunction* result = new(zone()) LInvokeFunction(context, function); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 1224 | return MarkAsCall(DefineFixed(result, eax), instr, CANNOT_DEOPTIMIZE_EAGERLY); |
| 1225 | } |
| 1226 | |
| 1227 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1228 | LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1229 | switch (instr->op()) { |
| 1230 | case kMathFloor: return DoMathFloor(instr); |
| 1231 | case kMathRound: return DoMathRound(instr); |
| 1232 | case kMathAbs: return DoMathAbs(instr); |
| 1233 | case kMathLog: return DoMathLog(instr); |
| 1234 | case kMathSin: return DoMathSin(instr); |
| 1235 | case kMathCos: return DoMathCos(instr); |
| 1236 | case kMathTan: return DoMathTan(instr); |
| 1237 | case kMathExp: return DoMathExp(instr); |
| 1238 | case kMathSqrt: return DoMathSqrt(instr); |
| 1239 | case kMathPowHalf: return DoMathPowHalf(instr); |
| 1240 | default: |
| 1241 | UNREACHABLE(); |
| 1242 | return NULL; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1247 | LInstruction* LChunkBuilder::DoMathFloor(HUnaryMathOperation* instr) { |
| 1248 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1249 | LMathFloor* result = new(zone()) LMathFloor(input); |
| 1250 | return AssignEnvironment(DefineAsRegister(result)); |
| 1251 | } |
| 1252 | |
| 1253 | |
| 1254 | LInstruction* LChunkBuilder::DoMathRound(HUnaryMathOperation* instr) { |
| 1255 | LOperand* context = UseAny(instr->context()); |
| 1256 | LOperand* input = UseRegister(instr->value()); |
| 1257 | LOperand* temp = FixedTemp(xmm4); |
| 1258 | LMathRound* result = new(zone()) LMathRound(context, input, temp); |
| 1259 | return AssignEnvironment(DefineAsRegister(result)); |
| 1260 | } |
| 1261 | |
| 1262 | |
| 1263 | LInstruction* LChunkBuilder::DoMathAbs(HUnaryMathOperation* instr) { |
| 1264 | LOperand* context = UseAny(instr->context()); // Deferred use. |
| 1265 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1266 | LMathAbs* result = new(zone()) LMathAbs(context, input); |
| 1267 | return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); |
| 1268 | } |
| 1269 | |
| 1270 | |
| 1271 | LInstruction* LChunkBuilder::DoMathLog(HUnaryMathOperation* instr) { |
| 1272 | ASSERT(instr->representation().IsDouble()); |
| 1273 | ASSERT(instr->value()->representation().IsDouble()); |
| 1274 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1275 | LMathLog* result = new(zone()) LMathLog(input); |
| 1276 | return DefineSameAsFirst(result); |
| 1277 | } |
| 1278 | |
| 1279 | |
| 1280 | LInstruction* LChunkBuilder::DoMathSin(HUnaryMathOperation* instr) { |
| 1281 | LOperand* input = UseFixedDouble(instr->value(), xmm1); |
| 1282 | LMathSin* result = new(zone()) LMathSin(input); |
| 1283 | return MarkAsCall(DefineFixedDouble(result, xmm1), instr); |
| 1284 | } |
| 1285 | |
| 1286 | |
| 1287 | LInstruction* LChunkBuilder::DoMathCos(HUnaryMathOperation* instr) { |
| 1288 | LOperand* input = UseFixedDouble(instr->value(), xmm1); |
| 1289 | LMathCos* result = new(zone()) LMathCos(input); |
| 1290 | return MarkAsCall(DefineFixedDouble(result, xmm1), instr); |
| 1291 | } |
| 1292 | |
| 1293 | |
| 1294 | LInstruction* LChunkBuilder::DoMathTan(HUnaryMathOperation* instr) { |
| 1295 | LOperand* input = UseFixedDouble(instr->value(), xmm1); |
| 1296 | LMathTan* result = new(zone()) LMathTan(input); |
| 1297 | return MarkAsCall(DefineFixedDouble(result, xmm1), instr); |
| 1298 | } |
| 1299 | |
| 1300 | |
| 1301 | LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) { |
| 1302 | ASSERT(instr->representation().IsDouble()); |
| 1303 | ASSERT(instr->value()->representation().IsDouble()); |
| 1304 | LOperand* value = UseTempRegister(instr->value()); |
| 1305 | LOperand* temp1 = TempRegister(); |
| 1306 | LOperand* temp2 = TempRegister(); |
| 1307 | LMathExp* result = new(zone()) LMathExp(value, temp1, temp2); |
| 1308 | return DefineAsRegister(result); |
| 1309 | } |
| 1310 | |
| 1311 | |
| 1312 | LInstruction* LChunkBuilder::DoMathSqrt(HUnaryMathOperation* instr) { |
| 1313 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1314 | LMathSqrt* result = new(zone()) LMathSqrt(input); |
| 1315 | return DefineSameAsFirst(result); |
| 1316 | } |
| 1317 | |
| 1318 | |
| 1319 | LInstruction* LChunkBuilder::DoMathPowHalf(HUnaryMathOperation* instr) { |
| 1320 | LOperand* context = UseAny(instr->context()); |
| 1321 | LOperand* input = UseRegisterAtStart(instr->value()); |
| 1322 | LOperand* temp = TempRegister(); |
| 1323 | LMathPowHalf* result = new(zone()) LMathPowHalf(context, input, temp); |
| 1324 | return DefineSameAsFirst(result); |
| 1325 | } |
| 1326 | |
| 1327 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1328 | LInstruction* LChunkBuilder::DoCallKeyed(HCallKeyed* instr) { |
| 1329 | ASSERT(instr->key()->representation().IsTagged()); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1330 | LOperand* context = UseFixed(instr->context(), esi); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1331 | LOperand* key = UseFixed(instr->key(), ecx); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1332 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1333 | LCallKeyed* result = new(zone()) LCallKeyed(context, key); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1334 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1335 | } |
| 1336 | |
| 1337 | |
| 1338 | LInstruction* LChunkBuilder::DoCallNamed(HCallNamed* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1339 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1340 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1341 | LCallNamed* result = new(zone()) LCallNamed(context); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1342 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1343 | } |
| 1344 | |
| 1345 | |
| 1346 | LInstruction* LChunkBuilder::DoCallGlobal(HCallGlobal* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1347 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1348 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1349 | LCallGlobal* result = new(zone()) LCallGlobal(context); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1350 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1351 | } |
| 1352 | |
| 1353 | |
| 1354 | LInstruction* LChunkBuilder::DoCallKnownGlobal(HCallKnownGlobal* instr) { |
| 1355 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1356 | return MarkAsCall(DefineFixed(new(zone()) LCallKnownGlobal, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1357 | } |
| 1358 | |
| 1359 | |
| 1360 | LInstruction* LChunkBuilder::DoCallNew(HCallNew* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1361 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1362 | LOperand* constructor = UseFixed(instr->constructor(), edi); |
| 1363 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1364 | LCallNew* result = new(zone()) LCallNew(context, constructor); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1365 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1366 | } |
| 1367 | |
| 1368 | |
yangguo@chromium.org | 4a9f655 | 2013-03-04 14:46:33 +0000 | [diff] [blame] | 1369 | LInstruction* LChunkBuilder::DoCallNewArray(HCallNewArray* instr) { |
| 1370 | ASSERT(FLAG_optimize_constructed_arrays); |
| 1371 | LOperand* context = UseFixed(instr->context(), esi); |
| 1372 | LOperand* constructor = UseFixed(instr->constructor(), edi); |
| 1373 | argument_count_ -= instr->argument_count(); |
| 1374 | LCallNewArray* result = new(zone()) LCallNewArray(context, constructor); |
| 1375 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1376 | } |
| 1377 | |
| 1378 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1379 | LInstruction* LChunkBuilder::DoCallFunction(HCallFunction* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1380 | LOperand* context = UseFixed(instr->context(), esi); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1381 | LOperand* function = UseFixed(instr->function(), edi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1382 | argument_count_ -= instr->argument_count(); |
danno@chromium.org | c612e02 | 2011-11-10 11:38:15 +0000 | [diff] [blame] | 1383 | LCallFunction* result = new(zone()) LCallFunction(context, function); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1384 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1385 | } |
| 1386 | |
| 1387 | |
| 1388 | LInstruction* LChunkBuilder::DoCallRuntime(HCallRuntime* instr) { |
| 1389 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 1390 | LOperand* context = UseFixed(instr->context(), esi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1391 | return MarkAsCall(DefineFixed(new(zone()) LCallRuntime(context), eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1392 | } |
| 1393 | |
| 1394 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 1395 | LInstruction* LChunkBuilder::DoRor(HRor* instr) { |
| 1396 | return DoShift(Token::ROR, instr); |
| 1397 | } |
| 1398 | |
| 1399 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1400 | LInstruction* LChunkBuilder::DoShr(HShr* instr) { |
| 1401 | return DoShift(Token::SHR, instr); |
| 1402 | } |
| 1403 | |
| 1404 | |
| 1405 | LInstruction* LChunkBuilder::DoSar(HSar* instr) { |
| 1406 | return DoShift(Token::SAR, instr); |
| 1407 | } |
| 1408 | |
| 1409 | |
| 1410 | LInstruction* LChunkBuilder::DoShl(HShl* instr) { |
| 1411 | return DoShift(Token::SHL, instr); |
| 1412 | } |
| 1413 | |
| 1414 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1415 | LInstruction* LChunkBuilder::DoBitwise(HBitwise* instr) { |
| 1416 | if (instr->representation().IsInteger32()) { |
| 1417 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1418 | ASSERT(instr->right()->representation().IsInteger32()); |
| 1419 | |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1420 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1421 | LOperand* right = UseOrConstantAtStart(instr->BetterRightOperand()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1422 | return DefineSameAsFirst(new(zone()) LBitI(left, right)); |
| 1423 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1424 | ASSERT(instr->representation().IsSmiOrTagged()); |
| 1425 | ASSERT(instr->left()->representation().IsSmiOrTagged()); |
| 1426 | ASSERT(instr->right()->representation().IsSmiOrTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1427 | |
| 1428 | LOperand* context = UseFixed(instr->context(), esi); |
| 1429 | LOperand* left = UseFixed(instr->left(), edx); |
| 1430 | LOperand* right = UseFixed(instr->right(), eax); |
| 1431 | LArithmeticT* result = |
| 1432 | new(zone()) LArithmeticT(instr->op(), context, left, right); |
| 1433 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1434 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1435 | } |
| 1436 | |
| 1437 | |
| 1438 | LInstruction* LChunkBuilder::DoBitNot(HBitNot* instr) { |
| 1439 | ASSERT(instr->value()->representation().IsInteger32()); |
| 1440 | ASSERT(instr->representation().IsInteger32()); |
mstarzinger@chromium.org | 88d326b | 2012-04-23 12:57:22 +0000 | [diff] [blame] | 1441 | if (instr->HasNoUses()) return NULL; |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 1442 | LOperand* input = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1443 | LBitNotI* result = new(zone()) LBitNotI(input); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 1444 | return DefineSameAsFirst(result); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1445 | } |
| 1446 | |
| 1447 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1448 | LInstruction* LChunkBuilder::DoDiv(HDiv* instr) { |
| 1449 | if (instr->representation().IsDouble()) { |
| 1450 | return DoArithmeticD(Token::DIV, instr); |
| 1451 | } else if (instr->representation().IsInteger32()) { |
jkummerow@chromium.org | 5323a9c | 2012-12-10 19:00:50 +0000 | [diff] [blame] | 1452 | if (instr->HasPowerOf2Divisor()) { |
| 1453 | ASSERT(!instr->CheckFlag(HValue::kCanBeDivByZero)); |
| 1454 | LOperand* value = UseRegisterAtStart(instr->left()); |
| 1455 | LDivI* div = |
| 1456 | new(zone()) LDivI(value, UseOrConstant(instr->right()), NULL); |
| 1457 | return AssignEnvironment(DefineSameAsFirst(div)); |
| 1458 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1459 | // The temporary operand is necessary to ensure that right is not allocated |
| 1460 | // into edx. |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1461 | LOperand* temp = FixedTemp(edx); |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 1462 | LOperand* dividend = UseFixed(instr->left(), eax); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1463 | LOperand* divisor = UseRegister(instr->right()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1464 | LDivI* result = new(zone()) LDivI(dividend, divisor, temp); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1465 | return AssignEnvironment(DefineFixed(result, eax)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1466 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1467 | ASSERT(instr->representation().IsSmiOrTagged()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1468 | return DoArithmeticT(Token::DIV, instr); |
| 1469 | } |
| 1470 | } |
| 1471 | |
| 1472 | |
yangguo@chromium.org | d2899aa | 2012-06-21 11:16:20 +0000 | [diff] [blame] | 1473 | HValue* LChunkBuilder::SimplifiedDivisorForMathFloorOfDiv(HValue* divisor) { |
| 1474 | if (divisor->IsConstant() && |
| 1475 | HConstant::cast(divisor)->HasInteger32Value()) { |
| 1476 | HConstant* constant_val = HConstant::cast(divisor); |
| 1477 | return constant_val->CopyToRepresentation(Representation::Integer32(), |
| 1478 | divisor->block()->zone()); |
| 1479 | } |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 1480 | // A value with an integer representation does not need to be transformed. |
| 1481 | if (divisor->representation().IsInteger32()) { |
| 1482 | return divisor; |
| 1483 | // A change from an integer32 can be replaced by the integer32 value. |
| 1484 | } else if (divisor->IsChange() && |
| 1485 | HChange::cast(divisor)->from().IsInteger32()) { |
| 1486 | return HChange::cast(divisor)->value(); |
| 1487 | } |
yangguo@chromium.org | d2899aa | 2012-06-21 11:16:20 +0000 | [diff] [blame] | 1488 | return NULL; |
| 1489 | } |
| 1490 | |
| 1491 | |
| 1492 | LInstruction* LChunkBuilder::DoMathFloorOfDiv(HMathFloorOfDiv* instr) { |
| 1493 | HValue* right = instr->right(); |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 1494 | if (!right->IsConstant()) { |
| 1495 | ASSERT(right->representation().IsInteger32()); |
| 1496 | // The temporary operand is necessary to ensure that right is not allocated |
| 1497 | // into edx. |
| 1498 | LOperand* temp = FixedTemp(edx); |
| 1499 | LOperand* dividend = UseFixed(instr->left(), eax); |
| 1500 | LOperand* divisor = UseRegister(instr->right()); |
| 1501 | LDivI* flooring_div = new(zone()) LDivI(dividend, divisor, temp); |
| 1502 | return AssignEnvironment(DefineFixed(flooring_div, eax)); |
| 1503 | } |
| 1504 | |
yangguo@chromium.org | d2899aa | 2012-06-21 11:16:20 +0000 | [diff] [blame] | 1505 | ASSERT(right->IsConstant() && HConstant::cast(right)->HasInteger32Value()); |
| 1506 | LOperand* divisor = chunk_->DefineConstantOperand(HConstant::cast(right)); |
| 1507 | int32_t divisor_si = HConstant::cast(right)->Integer32Value(); |
| 1508 | if (divisor_si == 0) { |
| 1509 | LOperand* dividend = UseRegister(instr->left()); |
| 1510 | return AssignEnvironment(DefineAsRegister( |
| 1511 | new(zone()) LMathFloorOfDiv(dividend, divisor, NULL))); |
| 1512 | } else if (IsPowerOf2(abs(divisor_si))) { |
| 1513 | // use dividend as temp if divisor < 0 && divisor != -1 |
| 1514 | LOperand* dividend = divisor_si < -1 ? UseTempRegister(instr->left()) : |
| 1515 | UseRegisterAtStart(instr->left()); |
| 1516 | LInstruction* result = DefineAsRegister( |
| 1517 | new(zone()) LMathFloorOfDiv(dividend, divisor, NULL)); |
| 1518 | return divisor_si < 0 ? AssignEnvironment(result) : result; |
| 1519 | } else { |
| 1520 | // needs edx:eax, plus a temp |
| 1521 | LOperand* dividend = UseFixed(instr->left(), eax); |
| 1522 | LOperand* temp = TempRegister(); |
| 1523 | LInstruction* result = DefineFixed( |
| 1524 | new(zone()) LMathFloorOfDiv(dividend, divisor, temp), edx); |
| 1525 | return divisor_si < 0 ? AssignEnvironment(result) : result; |
| 1526 | } |
| 1527 | } |
| 1528 | |
| 1529 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1530 | LInstruction* LChunkBuilder::DoMod(HMod* instr) { |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1531 | HValue* left = instr->left(); |
| 1532 | HValue* right = instr->right(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1533 | if (instr->representation().IsInteger32()) { |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1534 | ASSERT(left->representation().IsInteger32()); |
| 1535 | ASSERT(right->representation().IsInteger32()); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 1536 | if (instr->HasPowerOf2Divisor()) { |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1537 | ASSERT(!right->CanBeZero()); |
| 1538 | LModI* mod = new(zone()) LModI(UseRegisterAtStart(left), |
| 1539 | UseOrConstant(right), |
| 1540 | NULL); |
| 1541 | LInstruction* result = DefineSameAsFirst(mod); |
| 1542 | return (left->CanBeNegative() && |
| 1543 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) |
| 1544 | ? AssignEnvironment(result) |
| 1545 | : result; |
| 1546 | } else if (instr->has_fixed_right_arg()) { |
| 1547 | LModI* mod = new(zone()) LModI(UseRegister(left), |
| 1548 | UseRegisterAtStart(right), |
| 1549 | NULL); |
| 1550 | return AssignEnvironment(DefineSameAsFirst(mod)); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 1551 | } else { |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1552 | // The temporary operand is necessary to ensure that right is not |
| 1553 | // allocated into edx. |
| 1554 | LModI* mod = new(zone()) LModI(UseFixed(left, eax), |
| 1555 | UseRegister(right), |
| 1556 | FixedTemp(edx)); |
| 1557 | LInstruction* result = DefineFixed(mod, edx); |
| 1558 | return (right->CanBeZero() || |
| 1559 | (left->RangeCanInclude(kMinInt) && |
| 1560 | right->RangeCanInclude(-1) && |
| 1561 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) || |
| 1562 | (left->CanBeNegative() && |
| 1563 | instr->CanBeZero() && |
| 1564 | instr->CheckFlag(HValue::kBailoutOnMinusZero))) |
| 1565 | ? AssignEnvironment(result) |
| 1566 | : result; |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 1567 | } |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1568 | } else if (instr->representation().IsSmiOrTagged()) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1569 | return DoArithmeticT(Token::MOD, instr); |
| 1570 | } else { |
| 1571 | ASSERT(instr->representation().IsDouble()); |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1572 | // We call a C function for double modulo. It can't trigger a GC. We need |
| 1573 | // to use fixed result register for the call. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1574 | // TODO(fschneider): Allow any register as input registers. |
verwaest@chromium.org | 8a00e82 | 2013-06-10 15:11:22 +0000 | [diff] [blame] | 1575 | LArithmeticD* mod = new(zone()) LArithmeticD(Token::MOD, |
| 1576 | UseFixedDouble(left, xmm2), |
| 1577 | UseFixedDouble(right, xmm1)); |
| 1578 | return MarkAsCall(DefineFixedDouble(mod, xmm1), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1579 | } |
| 1580 | } |
| 1581 | |
| 1582 | |
| 1583 | LInstruction* LChunkBuilder::DoMul(HMul* instr) { |
| 1584 | if (instr->representation().IsInteger32()) { |
| 1585 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1586 | ASSERT(instr->right()->representation().IsInteger32()); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1587 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1588 | LOperand* right = UseOrConstant(instr->BetterRightOperand()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1589 | LOperand* temp = NULL; |
| 1590 | if (instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1591 | temp = TempRegister(); |
| 1592 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1593 | LMulI* mul = new(zone()) LMulI(left, right, temp); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1594 | if (instr->CheckFlag(HValue::kCanOverflow) || |
| 1595 | instr->CheckFlag(HValue::kBailoutOnMinusZero)) { |
| 1596 | AssignEnvironment(mul); |
| 1597 | } |
| 1598 | return DefineSameAsFirst(mul); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1599 | } else if (instr->representation().IsDouble()) { |
| 1600 | return DoArithmeticD(Token::MUL, instr); |
| 1601 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1602 | ASSERT(instr->representation().IsSmiOrTagged()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1603 | return DoArithmeticT(Token::MUL, instr); |
| 1604 | } |
| 1605 | } |
| 1606 | |
| 1607 | |
| 1608 | LInstruction* LChunkBuilder::DoSub(HSub* instr) { |
| 1609 | if (instr->representation().IsInteger32()) { |
| 1610 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1611 | ASSERT(instr->right()->representation().IsInteger32()); |
ager@chromium.org | 0ee099b | 2011-01-25 14:06:47 +0000 | [diff] [blame] | 1612 | LOperand* left = UseRegisterAtStart(instr->left()); |
| 1613 | LOperand* right = UseOrConstantAtStart(instr->right()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1614 | LSubI* sub = new(zone()) LSubI(left, right); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1615 | LInstruction* result = DefineSameAsFirst(sub); |
| 1616 | if (instr->CheckFlag(HValue::kCanOverflow)) { |
| 1617 | result = AssignEnvironment(result); |
| 1618 | } |
| 1619 | return result; |
| 1620 | } else if (instr->representation().IsDouble()) { |
| 1621 | return DoArithmeticD(Token::SUB, instr); |
| 1622 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1623 | ASSERT(instr->representation().IsSmiOrTagged()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1624 | return DoArithmeticT(Token::SUB, instr); |
| 1625 | } |
| 1626 | } |
| 1627 | |
| 1628 | |
| 1629 | LInstruction* LChunkBuilder::DoAdd(HAdd* instr) { |
| 1630 | if (instr->representation().IsInteger32()) { |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1631 | // Check to see if it would be advantageous to use an lea instruction rather |
| 1632 | // than an add. This is the case when no overflow check is needed and there |
| 1633 | // are multiple uses of the add's inputs, so using a 3-register add will |
| 1634 | // preserve all input values for later uses. |
| 1635 | bool use_lea = LAddI::UseLea(instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1636 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1637 | ASSERT(instr->right()->representation().IsInteger32()); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1638 | LOperand* left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1639 | HValue* right_candidate = instr->BetterRightOperand(); |
| 1640 | LOperand* right = use_lea |
| 1641 | ? UseRegisterOrConstantAtStart(right_candidate) |
| 1642 | : UseOrConstantAtStart(right_candidate); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1643 | LAddI* add = new(zone()) LAddI(left, right); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1644 | bool can_overflow = instr->CheckFlag(HValue::kCanOverflow); |
| 1645 | LInstruction* result = use_lea |
| 1646 | ? DefineAsRegister(add) |
| 1647 | : DefineSameAsFirst(add); |
| 1648 | if (can_overflow) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1649 | result = AssignEnvironment(result); |
| 1650 | } |
| 1651 | return result; |
| 1652 | } else if (instr->representation().IsDouble()) { |
| 1653 | return DoArithmeticD(Token::ADD, instr); |
| 1654 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1655 | ASSERT(instr->representation().IsSmiOrTagged()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1656 | return DoArithmeticT(Token::ADD, instr); |
| 1657 | } |
| 1658 | } |
| 1659 | |
| 1660 | |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1661 | LInstruction* LChunkBuilder::DoMathMinMax(HMathMinMax* instr) { |
| 1662 | LOperand* left = NULL; |
| 1663 | LOperand* right = NULL; |
| 1664 | if (instr->representation().IsInteger32()) { |
| 1665 | ASSERT(instr->left()->representation().IsInteger32()); |
| 1666 | ASSERT(instr->right()->representation().IsInteger32()); |
ulan@chromium.org | 906e2fb | 2013-05-14 08:14:38 +0000 | [diff] [blame] | 1667 | left = UseRegisterAtStart(instr->BetterLeftOperand()); |
| 1668 | right = UseOrConstantAtStart(instr->BetterRightOperand()); |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 1669 | } else { |
| 1670 | ASSERT(instr->representation().IsDouble()); |
| 1671 | ASSERT(instr->left()->representation().IsDouble()); |
| 1672 | ASSERT(instr->right()->representation().IsDouble()); |
| 1673 | left = UseRegisterAtStart(instr->left()); |
| 1674 | right = UseRegisterAtStart(instr->right()); |
| 1675 | } |
| 1676 | LMathMinMax* minmax = new(zone()) LMathMinMax(left, right); |
| 1677 | return DefineSameAsFirst(minmax); |
| 1678 | } |
| 1679 | |
| 1680 | |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1681 | LInstruction* LChunkBuilder::DoPower(HPower* instr) { |
| 1682 | ASSERT(instr->representation().IsDouble()); |
| 1683 | // We call a C function for double power. It can't trigger a GC. |
| 1684 | // We need to use fixed result register for the call. |
| 1685 | Representation exponent_type = instr->right()->representation(); |
| 1686 | ASSERT(instr->left()->representation().IsDouble()); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1687 | LOperand* left = UseFixedDouble(instr->left(), xmm2); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1688 | LOperand* right = exponent_type.IsDouble() ? |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 1689 | UseFixedDouble(instr->right(), xmm1) : |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1690 | UseFixed(instr->right(), eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1691 | LPower* result = new(zone()) LPower(left, right); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1692 | return MarkAsCall(DefineFixedDouble(result, xmm3), instr, |
| 1693 | CAN_DEOPTIMIZE_EAGERLY); |
| 1694 | } |
| 1695 | |
| 1696 | |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1697 | LInstruction* LChunkBuilder::DoRandom(HRandom* instr) { |
| 1698 | ASSERT(instr->representation().IsDouble()); |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1699 | ASSERT(instr->global_object()->representation().IsSmiOrTagged()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1700 | LOperand* global_object = UseFixed(instr->global_object(), eax); |
| 1701 | LRandom* result = new(zone()) LRandom(global_object); |
| 1702 | return MarkAsCall(DefineFixedDouble(result, xmm1), instr); |
| 1703 | } |
| 1704 | |
| 1705 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1706 | LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1707 | ASSERT(instr->left()->representation().IsSmiOrTagged()); |
| 1708 | ASSERT(instr->right()->representation().IsSmiOrTagged()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 1709 | LOperand* context = UseFixed(instr->context(), esi); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1710 | LOperand* left = UseFixed(instr->left(), edx); |
| 1711 | LOperand* right = UseFixed(instr->right(), eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1712 | LCmpT* result = new(zone()) LCmpT(context, left, right); |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1713 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 1714 | } |
| 1715 | |
| 1716 | |
| 1717 | LInstruction* LChunkBuilder::DoCompareIDAndBranch( |
| 1718 | HCompareIDAndBranch* instr) { |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 1719 | Representation r = instr->representation(); |
jkummerow@chromium.org | c118402 | 2013-05-28 16:58:15 +0000 | [diff] [blame] | 1720 | if (r.IsSmiOrInteger32()) { |
| 1721 | ASSERT(instr->left()->representation().IsSmiOrInteger32()); |
| 1722 | ASSERT(instr->left()->representation().Equals( |
| 1723 | instr->right()->representation())); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1724 | LOperand* left = UseRegisterOrConstantAtStart(instr->left()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1725 | LOperand* right = UseOrConstantAtStart(instr->right()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1726 | return new(zone()) LCmpIDAndBranch(left, right); |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1727 | } else { |
| 1728 | ASSERT(r.IsDouble()); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 1729 | ASSERT(instr->left()->representation().IsDouble()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1730 | ASSERT(instr->right()->representation().IsDouble()); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 1731 | LOperand* left; |
| 1732 | LOperand* right; |
| 1733 | if (instr->left()->IsConstant() && instr->right()->IsConstant()) { |
| 1734 | left = UseRegisterOrConstantAtStart(instr->left()); |
| 1735 | right = UseRegisterOrConstantAtStart(instr->right()); |
| 1736 | } else { |
| 1737 | left = UseRegisterAtStart(instr->left()); |
| 1738 | right = UseRegisterAtStart(instr->right()); |
| 1739 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1740 | return new(zone()) LCmpIDAndBranch(left, right); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1741 | } |
| 1742 | } |
| 1743 | |
| 1744 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1745 | LInstruction* LChunkBuilder::DoCompareObjectEqAndBranch( |
| 1746 | HCompareObjectEqAndBranch* instr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1747 | LOperand* left = UseRegisterAtStart(instr->left()); |
mstarzinger@chromium.org | b228be0 | 2013-04-18 14:56:59 +0000 | [diff] [blame] | 1748 | LOperand* right = UseOrConstantAtStart(instr->right()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1749 | return new(zone()) LCmpObjectEqAndBranch(left, right); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1750 | } |
| 1751 | |
| 1752 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1753 | LInstruction* LChunkBuilder::DoCompareConstantEqAndBranch( |
| 1754 | HCompareConstantEqAndBranch* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1755 | return new(zone()) LCmpConstantEqAndBranch( |
| 1756 | UseRegisterAtStart(instr->value())); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1757 | } |
| 1758 | |
| 1759 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1760 | LInstruction* LChunkBuilder::DoIsObjectAndBranch(HIsObjectAndBranch* instr) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1761 | ASSERT(instr->value()->representation().IsSmiOrTagged()); |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1762 | LOperand* temp = TempRegister(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1763 | return new(zone()) LIsObjectAndBranch(UseRegister(instr->value()), temp); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1764 | } |
| 1765 | |
| 1766 | |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 1767 | LInstruction* LChunkBuilder::DoIsStringAndBranch(HIsStringAndBranch* instr) { |
| 1768 | ASSERT(instr->value()->representation().IsTagged()); |
| 1769 | LOperand* temp = TempRegister(); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1770 | return new(zone()) LIsStringAndBranch(UseRegister(instr->value()), temp); |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 1771 | } |
| 1772 | |
| 1773 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1774 | LInstruction* LChunkBuilder::DoIsSmiAndBranch(HIsSmiAndBranch* instr) { |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1775 | ASSERT(instr->value()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1776 | return new(zone()) LIsSmiAndBranch(Use(instr->value())); |
ager@chromium.org | 5f0c45f | 2010-12-17 08:51:21 +0000 | [diff] [blame] | 1777 | } |
| 1778 | |
| 1779 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1780 | LInstruction* LChunkBuilder::DoIsUndetectableAndBranch( |
| 1781 | HIsUndetectableAndBranch* instr) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1782 | ASSERT(instr->value()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1783 | return new(zone()) LIsUndetectableAndBranch( |
| 1784 | UseRegisterAtStart(instr->value()), TempRegister()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1785 | } |
| 1786 | |
| 1787 | |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 1788 | LInstruction* LChunkBuilder::DoStringCompareAndBranch( |
| 1789 | HStringCompareAndBranch* instr) { |
| 1790 | ASSERT(instr->left()->representation().IsTagged()); |
| 1791 | ASSERT(instr->right()->representation().IsTagged()); |
| 1792 | LOperand* context = UseFixed(instr->context(), esi); |
| 1793 | LOperand* left = UseFixed(instr->left(), edx); |
| 1794 | LOperand* right = UseFixed(instr->right(), eax); |
| 1795 | |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1796 | LStringCompareAndBranch* result = new(zone()) |
erikcorry | 0ad885c | 2011-11-21 13:51:57 +0000 | [diff] [blame] | 1797 | LStringCompareAndBranch(context, left, right); |
| 1798 | |
| 1799 | return MarkAsCall(result, instr); |
| 1800 | } |
| 1801 | |
| 1802 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1803 | LInstruction* LChunkBuilder::DoHasInstanceTypeAndBranch( |
| 1804 | HHasInstanceTypeAndBranch* instr) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1805 | ASSERT(instr->value()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1806 | return new(zone()) LHasInstanceTypeAndBranch( |
| 1807 | UseRegisterAtStart(instr->value()), |
| 1808 | TempRegister()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1809 | } |
| 1810 | |
| 1811 | |
kmillikin@chromium.org | 49edbdf | 2011-02-16 12:32:18 +0000 | [diff] [blame] | 1812 | LInstruction* LChunkBuilder::DoGetCachedArrayIndex( |
| 1813 | HGetCachedArrayIndex* instr) { |
karlklose@chromium.org | 8f806e8 | 2011-03-07 14:06:08 +0000 | [diff] [blame] | 1814 | ASSERT(instr->value()->representation().IsTagged()); |
| 1815 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 1816 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1817 | return DefineAsRegister(new(zone()) LGetCachedArrayIndex(value)); |
kmillikin@chromium.org | 49edbdf | 2011-02-16 12:32:18 +0000 | [diff] [blame] | 1818 | } |
| 1819 | |
| 1820 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1821 | LInstruction* LChunkBuilder::DoHasCachedArrayIndexAndBranch( |
| 1822 | HHasCachedArrayIndexAndBranch* instr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1823 | ASSERT(instr->value()->representation().IsTagged()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1824 | return new(zone()) LHasCachedArrayIndexAndBranch( |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1825 | UseRegisterAtStart(instr->value())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1826 | } |
| 1827 | |
| 1828 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 1829 | LInstruction* LChunkBuilder::DoClassOfTestAndBranch( |
| 1830 | HClassOfTestAndBranch* instr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1831 | ASSERT(instr->value()->representation().IsTagged()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1832 | return new(zone()) LClassOfTestAndBranch(UseRegister(instr->value()), |
| 1833 | TempRegister(), |
| 1834 | TempRegister()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1835 | } |
| 1836 | |
| 1837 | |
whesse@chromium.org | 4acdc2c | 2011-08-15 13:01:23 +0000 | [diff] [blame] | 1838 | LInstruction* LChunkBuilder::DoFixedArrayBaseLength( |
| 1839 | HFixedArrayBaseLength* instr) { |
fschneider@chromium.org | 9e3e0b6 | 2011-01-03 10:16:46 +0000 | [diff] [blame] | 1840 | LOperand* array = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1841 | return DefineAsRegister(new(zone()) LFixedArrayBaseLength(array)); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 1842 | } |
| 1843 | |
| 1844 | |
yangguo@chromium.org | 355cfd1 | 2012-08-29 15:32:24 +0000 | [diff] [blame] | 1845 | LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) { |
| 1846 | LOperand* map = UseRegisterAtStart(instr->value()); |
| 1847 | return DefineAsRegister(new(zone()) LMapEnumLength(map)); |
| 1848 | } |
| 1849 | |
| 1850 | |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1851 | LInstruction* LChunkBuilder::DoElementsKind(HElementsKind* instr) { |
| 1852 | LOperand* object = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1853 | return DefineAsRegister(new(zone()) LElementsKind(object)); |
whesse@chromium.org | 7b26015 | 2011-06-20 15:33:18 +0000 | [diff] [blame] | 1854 | } |
| 1855 | |
| 1856 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1857 | LInstruction* LChunkBuilder::DoValueOf(HValueOf* instr) { |
| 1858 | LOperand* object = UseRegister(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1859 | LValueOf* result = new(zone()) LValueOf(object, TempRegister()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1860 | return DefineSameAsFirst(result); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1861 | } |
| 1862 | |
| 1863 | |
svenpanne@chromium.org | 4efbdb1 | 2012-03-12 08:18:42 +0000 | [diff] [blame] | 1864 | LInstruction* LChunkBuilder::DoDateField(HDateField* instr) { |
| 1865 | LOperand* date = UseFixed(instr->value(), eax); |
| 1866 | LDateField* result = |
| 1867 | new(zone()) LDateField(date, FixedTemp(ecx), instr->index()); |
mstarzinger@chromium.org | de88679 | 2012-09-11 13:22:37 +0000 | [diff] [blame] | 1868 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
svenpanne@chromium.org | 4efbdb1 | 2012-03-12 08:18:42 +0000 | [diff] [blame] | 1869 | } |
| 1870 | |
| 1871 | |
mstarzinger@chromium.org | 32280cf | 2012-12-06 17:32:37 +0000 | [diff] [blame] | 1872 | LInstruction* LChunkBuilder::DoSeqStringSetChar(HSeqStringSetChar* instr) { |
| 1873 | LOperand* string = UseRegister(instr->string()); |
| 1874 | LOperand* index = UseRegister(instr->index()); |
| 1875 | ASSERT(ecx.is_byte_register()); |
| 1876 | LOperand* value = UseFixed(instr->value(), ecx); |
| 1877 | LSeqStringSetChar* result = |
| 1878 | new(zone()) LSeqStringSetChar(instr->encoding(), string, index, value); |
| 1879 | return DefineSameAsFirst(result); |
| 1880 | } |
| 1881 | |
| 1882 | |
hpayer@chromium.org | 7c3372b | 2013-02-13 17:26:04 +0000 | [diff] [blame] | 1883 | LInstruction* LChunkBuilder::DoNumericConstraint(HNumericConstraint* instr) { |
| 1884 | return NULL; |
| 1885 | } |
| 1886 | |
| 1887 | |
ulan@chromium.org | 2e04b58 | 2013-02-21 14:06:02 +0000 | [diff] [blame] | 1888 | LInstruction* LChunkBuilder::DoInductionVariableAnnotation( |
| 1889 | HInductionVariableAnnotation* instr) { |
| 1890 | return NULL; |
| 1891 | } |
| 1892 | |
| 1893 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1894 | LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1895 | return AssignEnvironment(new(zone()) LBoundsCheck( |
danno@chromium.org | b645116 | 2011-08-17 14:33:23 +0000 | [diff] [blame] | 1896 | UseRegisterOrConstantAtStart(instr->index()), |
| 1897 | UseAtStart(instr->length()))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1898 | } |
| 1899 | |
| 1900 | |
svenpanne@chromium.org | 876cca8 | 2013-03-18 14:43:20 +0000 | [diff] [blame] | 1901 | LInstruction* LChunkBuilder::DoBoundsCheckBaseIndexInformation( |
| 1902 | HBoundsCheckBaseIndexInformation* instr) { |
| 1903 | UNREACHABLE(); |
| 1904 | return NULL; |
| 1905 | } |
| 1906 | |
| 1907 | |
kmillikin@chromium.org | 31b1277 | 2011-02-02 16:08:26 +0000 | [diff] [blame] | 1908 | LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) { |
| 1909 | // The control instruction marking the end of a block that completed |
| 1910 | // abruptly (e.g., threw an exception). There is nothing specific to do. |
| 1911 | return NULL; |
| 1912 | } |
| 1913 | |
| 1914 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1915 | LInstruction* LChunkBuilder::DoThrow(HThrow* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 1916 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1917 | LOperand* value = UseFixed(instr->value(), eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 1918 | return MarkAsCall(new(zone()) LThrow(context, value), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1919 | } |
| 1920 | |
| 1921 | |
ricow@chromium.org | d2be901 | 2011-06-01 06:00:58 +0000 | [diff] [blame] | 1922 | LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) { |
| 1923 | return NULL; |
| 1924 | } |
| 1925 | |
| 1926 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 1927 | LInstruction* LChunkBuilder::DoForceRepresentation(HForceRepresentation* bad) { |
| 1928 | // All HForceRepresentation instructions should be eliminated in the |
| 1929 | // representation change phase of Hydrogen. |
| 1930 | UNREACHABLE(); |
| 1931 | return NULL; |
| 1932 | } |
| 1933 | |
| 1934 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1935 | LInstruction* LChunkBuilder::DoChange(HChange* instr) { |
| 1936 | Representation from = instr->from(); |
| 1937 | Representation to = instr->to(); |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1938 | if (from.IsSmi()) { |
| 1939 | if (to.IsTagged()) { |
| 1940 | LOperand* value = UseRegister(instr->value()); |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1941 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1942 | } |
| 1943 | from = Representation::Tagged(); |
| 1944 | } |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1945 | // Only mark conversions that might need to allocate as calling rather than |
| 1946 | // all changes. This makes simple, non-allocating conversion not have to force |
| 1947 | // building a stack frame. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1948 | if (from.IsTagged()) { |
| 1949 | if (to.IsDouble()) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1950 | info()->MarkAsDeferredCalling(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1951 | LOperand* value = UseRegister(instr->value()); |
erik.corry@gmail.com | f2038fb | 2012-01-16 11:42:08 +0000 | [diff] [blame] | 1952 | // Temp register only necessary for minus zero check. |
| 1953 | LOperand* temp = instr->deoptimize_on_minus_zero() |
| 1954 | ? TempRegister() |
| 1955 | : NULL; |
| 1956 | LNumberUntagD* res = new(zone()) LNumberUntagD(value, temp); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1957 | if (CpuFeatures::IsSafeForSnapshot(SSE2)) { |
| 1958 | return AssignEnvironment(DefineAsRegister(res)); |
| 1959 | } else { |
| 1960 | return AssignEnvironment(DefineX87TOS(res)); |
| 1961 | } |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 1962 | } else if (to.IsSmi()) { |
| 1963 | HValue* val = instr->value(); |
| 1964 | LOperand* value = UseRegister(val); |
| 1965 | if (val->type().IsSmi()) { |
| 1966 | return DefineSameAsFirst(new(zone()) LDummyUse(value)); |
| 1967 | } |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1968 | return AssignEnvironment(DefineSameAsFirst(new(zone()) LCheckSmi(value))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1969 | } else { |
| 1970 | ASSERT(to.IsInteger32()); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1971 | if (instr->value()->type().IsSmi()) { |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1972 | LOperand* value = UseRegister(instr->value()); |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 1973 | return DefineSameAsFirst(new(zone()) LSmiUntag(value, false)); |
mmassi@chromium.org | 7028c05 | 2012-06-13 11:51:58 +0000 | [diff] [blame] | 1974 | } else { |
ricow@chromium.org | c54d365 | 2011-05-30 09:20:16 +0000 | [diff] [blame] | 1975 | bool truncating = instr->CanTruncateToInt32(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 1976 | if (CpuFeatures::IsSafeForSnapshot(SSE2)) { |
| 1977 | LOperand* value = UseRegister(instr->value()); |
| 1978 | LOperand* xmm_temp = |
| 1979 | (truncating && CpuFeatures::IsSupported(SSE3)) |
| 1980 | ? NULL |
| 1981 | : FixedTemp(xmm1); |
| 1982 | LTaggedToI* res = new(zone()) LTaggedToI(value, xmm_temp); |
| 1983 | return AssignEnvironment(DefineSameAsFirst(res)); |
| 1984 | } else { |
| 1985 | LOperand* value = UseFixed(instr->value(), ecx); |
| 1986 | LTaggedToINoSSE2* res = |
| 1987 | new(zone()) LTaggedToINoSSE2(value, TempRegister(), |
| 1988 | TempRegister(), TempRegister()); |
| 1989 | return AssignEnvironment(DefineFixed(res, ecx)); |
| 1990 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 1991 | } |
| 1992 | } |
| 1993 | } else if (from.IsDouble()) { |
| 1994 | if (to.IsTagged()) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 1995 | info()->MarkAsDeferredCalling(); |
| 1996 | LOperand* value = CpuFeatures::IsSupported(SSE2) |
| 1997 | ? UseRegisterAtStart(instr->value()) |
| 1998 | : UseAtStart(instr->value()); |
mstarzinger@chromium.org | 068ea0a | 2013-01-30 09:39:44 +0000 | [diff] [blame] | 1999 | LOperand* temp = FLAG_inline_new ? TempRegister() : NULL; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2000 | |
| 2001 | // Make sure that temp and result_temp are different registers. |
| 2002 | LUnallocated* result_temp = TempRegister(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2003 | LNumberTagD* result = new(zone()) LNumberTagD(value, temp); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2004 | return AssignPointerMap(Define(result, result_temp)); |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2005 | } else if (to.IsSmi()) { |
| 2006 | LOperand* value = UseRegister(instr->value()); |
| 2007 | return AssignEnvironment( |
| 2008 | DefineAsRegister(new(zone()) LDoubleToSmi(value))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2009 | } else { |
| 2010 | ASSERT(to.IsInteger32()); |
ricow@chromium.org | c54d365 | 2011-05-30 09:20:16 +0000 | [diff] [blame] | 2011 | bool truncating = instr->CanTruncateToInt32(); |
| 2012 | bool needs_temp = truncating && !CpuFeatures::IsSupported(SSE3); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2013 | LOperand* value = needs_temp ? |
| 2014 | UseTempRegister(instr->value()) : UseRegister(instr->value()); |
| 2015 | LOperand* temp = needs_temp ? TempRegister() : NULL; |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2016 | return AssignEnvironment( |
| 2017 | DefineAsRegister(new(zone()) LDoubleToI(value, temp))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2018 | } |
| 2019 | } else if (from.IsInteger32()) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2020 | info()->MarkAsDeferredCalling(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2021 | if (to.IsTagged()) { |
| 2022 | HValue* val = instr->value(); |
| 2023 | LOperand* value = UseRegister(val); |
| 2024 | if (val->HasRange() && val->range()->IsInSmiRange()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2025 | return DefineSameAsFirst(new(zone()) LSmiTag(value)); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2026 | } else if (val->CheckFlag(HInstruction::kUint32)) { |
mstarzinger@chromium.org | 068ea0a | 2013-01-30 09:39:44 +0000 | [diff] [blame] | 2027 | LNumberTagU* result = new(zone()) LNumberTagU(value); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2028 | return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2029 | } else { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2030 | LNumberTagI* result = new(zone()) LNumberTagI(value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2031 | return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result))); |
| 2032 | } |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2033 | } else if (to.IsSmi()) { |
| 2034 | HValue* val = instr->value(); |
| 2035 | LOperand* value = UseRegister(val); |
| 2036 | LInstruction* result = |
| 2037 | DefineSameAsFirst(new(zone()) LInteger32ToSmi(value)); |
| 2038 | if (val->HasRange() && val->range()->IsInSmiRange()) { |
| 2039 | return result; |
| 2040 | } |
| 2041 | return AssignEnvironment(result); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2042 | } else { |
| 2043 | ASSERT(to.IsDouble()); |
yangguo@chromium.org | 46839fb | 2012-08-28 09:06:19 +0000 | [diff] [blame] | 2044 | if (instr->value()->CheckFlag(HInstruction::kUint32)) { |
| 2045 | LOperand* temp = FixedTemp(xmm1); |
| 2046 | return DefineAsRegister( |
| 2047 | new(zone()) LUint32ToDouble(UseRegister(instr->value()), temp)); |
| 2048 | } else { |
| 2049 | return DefineAsRegister( |
| 2050 | new(zone()) LInteger32ToDouble(Use(instr->value()))); |
| 2051 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2052 | } |
| 2053 | } |
| 2054 | UNREACHABLE(); |
| 2055 | return NULL; |
| 2056 | } |
| 2057 | |
| 2058 | |
| 2059 | LInstruction* LChunkBuilder::DoCheckNonSmi(HCheckNonSmi* instr) { |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 2060 | LOperand* value = UseAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2061 | return AssignEnvironment(new(zone()) LCheckNonSmi(value)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2062 | } |
| 2063 | |
| 2064 | |
| 2065 | LInstruction* LChunkBuilder::DoCheckInstanceType(HCheckInstanceType* instr) { |
| 2066 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2067 | LOperand* temp = TempRegister(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2068 | LCheckInstanceType* result = new(zone()) LCheckInstanceType(value, temp); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2069 | return AssignEnvironment(result); |
| 2070 | } |
| 2071 | |
| 2072 | |
| 2073 | LInstruction* LChunkBuilder::DoCheckPrototypeMaps(HCheckPrototypeMaps* instr) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2074 | LUnallocated* temp = TempRegister(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2075 | LCheckPrototypeMaps* result = new(zone()) LCheckPrototypeMaps(temp); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2076 | return AssignEnvironment(result); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2077 | } |
| 2078 | |
| 2079 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2080 | LInstruction* LChunkBuilder::DoCheckFunction(HCheckFunction* instr) { |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2081 | // If the target is in new space, we'll emit a global cell compare and so |
| 2082 | // want the value in a register. If the target gets promoted before we |
| 2083 | // emit code, we will still get the register but will do an immediate |
| 2084 | // compare instead of the cell compare. This is safe. |
yangguo@chromium.org | 003650e | 2013-01-24 16:31:08 +0000 | [diff] [blame] | 2085 | LOperand* value = instr->target_in_new_space() |
| 2086 | ? UseRegisterAtStart(instr->value()) : UseAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2087 | return AssignEnvironment(new(zone()) LCheckFunction(value)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2088 | } |
| 2089 | |
| 2090 | |
jkummerow@chromium.org | 1456e70 | 2012-03-30 08:38:13 +0000 | [diff] [blame] | 2091 | LInstruction* LChunkBuilder::DoCheckMaps(HCheckMaps* instr) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2092 | LOperand* value = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | 1456e70 | 2012-03-30 08:38:13 +0000 | [diff] [blame] | 2093 | LCheckMaps* result = new(zone()) LCheckMaps(value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2094 | return AssignEnvironment(result); |
| 2095 | } |
| 2096 | |
| 2097 | |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2098 | LInstruction* LChunkBuilder::DoClampToUint8(HClampToUint8* instr) { |
| 2099 | HValue* value = instr->value(); |
| 2100 | Representation input_rep = value->representation(); |
| 2101 | if (input_rep.IsDouble()) { |
| 2102 | LOperand* reg = UseRegister(value); |
rossberg@chromium.org | 89e18f5 | 2012-10-22 13:09:53 +0000 | [diff] [blame] | 2103 | return DefineFixed(new(zone()) LClampDToUint8(reg), eax); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2104 | } else if (input_rep.IsInteger32()) { |
| 2105 | LOperand* reg = UseFixed(value, eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2106 | return DefineFixed(new(zone()) LClampIToUint8(reg), eax); |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2107 | } else { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 2108 | ASSERT(input_rep.IsSmiOrTagged()); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2109 | if (CpuFeatures::IsSupported(SSE2)) { |
| 2110 | LOperand* reg = UseFixed(value, eax); |
| 2111 | // Register allocator doesn't (yet) support allocation of double |
| 2112 | // temps. Reserve xmm1 explicitly. |
| 2113 | LOperand* temp = FixedTemp(xmm1); |
| 2114 | LClampTToUint8* result = new(zone()) LClampTToUint8(reg, temp); |
| 2115 | return AssignEnvironment(DefineFixed(result, eax)); |
| 2116 | } else { |
| 2117 | LOperand* value = UseRegister(instr->value()); |
| 2118 | LClampTToUint8NoSSE2* res = |
| 2119 | new(zone()) LClampTToUint8NoSSE2(value, TempRegister(), |
| 2120 | TempRegister(), TempRegister()); |
| 2121 | return AssignEnvironment(DefineFixed(res, ecx)); |
| 2122 | } |
kmillikin@chromium.org | c53e10d | 2011-05-18 09:12:58 +0000 | [diff] [blame] | 2123 | } |
| 2124 | } |
| 2125 | |
| 2126 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2127 | LInstruction* LChunkBuilder::DoReturn(HReturn* instr) { |
yangguo@chromium.org | 4cd70b4 | 2013-01-04 08:57:54 +0000 | [diff] [blame] | 2128 | LOperand* context = info()->IsStub() |
| 2129 | ? UseFixed(instr->context(), esi) |
| 2130 | : NULL; |
ulan@chromium.org | 6e196bf | 2013-03-13 09:38:22 +0000 | [diff] [blame] | 2131 | LOperand* parameter_count = UseRegisterOrConstant(instr->parameter_count()); |
| 2132 | return new(zone()) LReturn(UseFixed(instr->value(), eax), context, |
| 2133 | parameter_count); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2134 | } |
| 2135 | |
| 2136 | |
| 2137 | LInstruction* LChunkBuilder::DoConstant(HConstant* instr) { |
| 2138 | Representation r = instr->representation(); |
rossberg@chromium.org | b99c754 | 2013-05-31 11:40:45 +0000 | [diff] [blame] | 2139 | if (r.IsSmi()) { |
| 2140 | return DefineAsRegister(new(zone()) LConstantS); |
| 2141 | } else if (r.IsInteger32()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2142 | return DefineAsRegister(new(zone()) LConstantI); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2143 | } else if (r.IsDouble()) { |
| 2144 | double value = instr->DoubleValue(); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2145 | bool value_is_zero = BitCast<uint64_t, double>(value) == 0; |
| 2146 | if (CpuFeatures::IsSafeForSnapshot(SSE2)) { |
| 2147 | LOperand* temp = value_is_zero ? NULL : TempRegister(); |
| 2148 | return DefineAsRegister(new(zone()) LConstantD(temp)); |
| 2149 | } else { |
| 2150 | return DefineX87TOS(new(zone()) LConstantD(NULL)); |
| 2151 | } |
rossberg@chromium.org | b99c754 | 2013-05-31 11:40:45 +0000 | [diff] [blame] | 2152 | } else if (r.IsTagged()) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2153 | return DefineAsRegister(new(zone()) LConstantT); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2154 | } else { |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2155 | UNREACHABLE(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2156 | return NULL; |
| 2157 | } |
| 2158 | } |
| 2159 | |
| 2160 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 2161 | LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2162 | LLoadGlobalCell* result = new(zone()) LLoadGlobalCell; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2163 | return instr->RequiresHoleCheck() |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2164 | ? AssignEnvironment(DefineAsRegister(result)) |
| 2165 | : DefineAsRegister(result); |
| 2166 | } |
| 2167 | |
| 2168 | |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 2169 | LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) { |
| 2170 | LOperand* context = UseFixed(instr->context(), esi); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2171 | LOperand* global_object = UseFixed(instr->global_object(), edx); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2172 | LLoadGlobalGeneric* result = |
| 2173 | new(zone()) LLoadGlobalGeneric(context, global_object); |
kmillikin@chromium.org | c36ce6e | 2011-04-04 08:25:31 +0000 | [diff] [blame] | 2174 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2175 | } |
| 2176 | |
| 2177 | |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 2178 | LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) { |
| 2179 | LStoreGlobalCell* result = |
danno@chromium.org | e78f9fc | 2011-12-21 08:29:34 +0000 | [diff] [blame] | 2180 | new(zone()) LStoreGlobalCell(UseRegister(instr->value())); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2181 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2182 | } |
| 2183 | |
| 2184 | |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 2185 | LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) { |
| 2186 | LOperand* context = UseFixed(instr->context(), esi); |
| 2187 | LOperand* global_object = UseFixed(instr->global_object(), edx); |
| 2188 | LOperand* value = UseFixed(instr->value(), eax); |
| 2189 | LStoreGlobalGeneric* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2190 | new(zone()) LStoreGlobalGeneric(context, global_object, value); |
vegorov@chromium.org | 74f333b | 2011-04-06 11:17:46 +0000 | [diff] [blame] | 2191 | return MarkAsCall(result, instr); |
| 2192 | } |
| 2193 | |
| 2194 | |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2195 | LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2196 | LOperand* context = UseRegisterAtStart(instr->value()); |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2197 | LInstruction* result = |
| 2198 | DefineAsRegister(new(zone()) LLoadContextSlot(context)); |
| 2199 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2200 | } |
| 2201 | |
| 2202 | |
| 2203 | LInstruction* LChunkBuilder::DoStoreContextSlot(HStoreContextSlot* instr) { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2204 | LOperand* value; |
| 2205 | LOperand* temp; |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2206 | LOperand* context = UseRegister(instr->context()); |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2207 | if (instr->NeedsWriteBarrier()) { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2208 | value = UseTempRegister(instr->value()); |
| 2209 | temp = TempRegister(); |
| 2210 | } else { |
ricow@chromium.org | 83aa549 | 2011-02-07 12:42:56 +0000 | [diff] [blame] | 2211 | value = UseRegister(instr->value()); |
| 2212 | temp = NULL; |
| 2213 | } |
ricow@chromium.org | 64e3a4b | 2011-12-13 08:07:27 +0000 | [diff] [blame] | 2214 | LInstruction* result = new(zone()) LStoreContextSlot(context, value, temp); |
| 2215 | return instr->RequiresHoleCheck() ? AssignEnvironment(result) : result; |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2216 | } |
| 2217 | |
| 2218 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2219 | LInstruction* LChunkBuilder::DoLoadNamedField(HLoadNamedField* instr) { |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2220 | LOperand* obj = UseRegisterAtStart(instr->object()); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 2221 | return DefineAsRegister(new(zone()) LLoadNamedField(obj)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2222 | } |
| 2223 | |
| 2224 | |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2225 | LInstruction* LChunkBuilder::DoLoadNamedFieldPolymorphic( |
| 2226 | HLoadNamedFieldPolymorphic* instr) { |
| 2227 | ASSERT(instr->representation().IsTagged()); |
| 2228 | if (instr->need_generic()) { |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 2229 | LOperand* context = UseFixed(instr->context(), esi); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2230 | LOperand* obj = UseFixed(instr->object(), edx); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2231 | LLoadNamedFieldPolymorphic* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2232 | new(zone()) LLoadNamedFieldPolymorphic(context, obj); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2233 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2234 | } else { |
yangguo@chromium.org | ab30bb8 | 2012-02-24 14:41:46 +0000 | [diff] [blame] | 2235 | LOperand* context = UseAny(instr->context()); // Not actually used. |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2236 | LOperand* obj = UseRegisterAtStart(instr->object()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2237 | LLoadNamedFieldPolymorphic* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2238 | new(zone()) LLoadNamedFieldPolymorphic(context, obj); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2239 | return AssignEnvironment(DefineAsRegister(result)); |
| 2240 | } |
| 2241 | } |
| 2242 | |
| 2243 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2244 | LInstruction* LChunkBuilder::DoLoadNamedGeneric(HLoadNamedGeneric* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2245 | LOperand* context = UseFixed(instr->context(), esi); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2246 | LOperand* object = UseFixed(instr->object(), edx); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2247 | LLoadNamedGeneric* result = new(zone()) LLoadNamedGeneric(context, object); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2248 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2249 | } |
| 2250 | |
| 2251 | |
fschneider@chromium.org | 9e3e0b6 | 2011-01-03 10:16:46 +0000 | [diff] [blame] | 2252 | LInstruction* LChunkBuilder::DoLoadFunctionPrototype( |
| 2253 | HLoadFunctionPrototype* instr) { |
| 2254 | return AssignEnvironment(DefineAsRegister( |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2255 | new(zone()) LLoadFunctionPrototype(UseRegister(instr->function()), |
| 2256 | TempRegister()))); |
fschneider@chromium.org | 9e3e0b6 | 2011-01-03 10:16:46 +0000 | [diff] [blame] | 2257 | } |
| 2258 | |
| 2259 | |
danno@chromium.org | 4d3fe4e | 2011-03-10 10:14:28 +0000 | [diff] [blame] | 2260 | LInstruction* LChunkBuilder::DoLoadExternalArrayPointer( |
| 2261 | HLoadExternalArrayPointer* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2262 | LOperand* input = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2263 | return DefineAsRegister(new(zone()) LLoadExternalArrayPointer(input)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2264 | } |
| 2265 | |
| 2266 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2267 | LInstruction* LChunkBuilder::DoLoadKeyed(HLoadKeyed* instr) { |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2268 | ASSERT(instr->key()->representation().IsInteger32() || |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2269 | instr->key()->representation().IsSmi()); |
kmillikin@chromium.org | 83e1682 | 2011-09-13 08:21:47 +0000 | [diff] [blame] | 2270 | ElementsKind elements_kind = instr->elements_kind(); |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2271 | bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2272 | instr->key()->representation(), elements_kind); |
| 2273 | LOperand* key = clobbers_key |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2274 | ? UseTempRegister(instr->key()) |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2275 | : UseRegisterOrConstantAtStart(instr->key()); |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2276 | LLoadKeyed* result = NULL; |
yangguo@chromium.org | 304cc33 | 2012-07-24 07:59:48 +0000 | [diff] [blame] | 2277 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2278 | if (!instr->is_external()) { |
| 2279 | LOperand* obj = UseRegisterAtStart(instr->elements()); |
| 2280 | result = new(zone()) LLoadKeyed(obj, key); |
| 2281 | } else { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2282 | ASSERT( |
| 2283 | (instr->representation().IsInteger32() && |
| 2284 | (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 2285 | (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 2286 | (instr->representation().IsDouble() && |
| 2287 | ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 2288 | (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2289 | LOperand* external_pointer = UseRegister(instr->elements()); |
| 2290 | result = new(zone()) LLoadKeyed(external_pointer, key); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2291 | } |
| 2292 | |
| 2293 | DefineAsRegister(result); |
| 2294 | bool can_deoptimize = instr->RequiresHoleCheck() || |
| 2295 | (elements_kind == EXTERNAL_UNSIGNED_INT_ELEMENTS); |
fschneider@chromium.org | 7979bbb | 2011-03-28 10:47:03 +0000 | [diff] [blame] | 2296 | // An unsigned int array load might overflow and cause a deopt, make sure it |
| 2297 | // has an environment. |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2298 | return can_deoptimize ? AssignEnvironment(result) : result; |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2299 | } |
| 2300 | |
| 2301 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2302 | LInstruction* LChunkBuilder::DoLoadKeyedGeneric(HLoadKeyedGeneric* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2303 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2304 | LOperand* object = UseFixed(instr->object(), edx); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2305 | LOperand* key = UseFixed(instr->key(), ecx); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2306 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2307 | LLoadKeyedGeneric* result = |
| 2308 | new(zone()) LLoadKeyedGeneric(context, object, key); |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2309 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2310 | } |
| 2311 | |
| 2312 | |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2313 | LOperand* LChunkBuilder::GetStoreKeyedValueOperand(HStoreKeyed* instr) { |
| 2314 | ElementsKind elements_kind = instr->elements_kind(); |
| 2315 | |
| 2316 | // Determine if we need a byte register in this case for the value. |
| 2317 | bool val_is_fixed_register = |
| 2318 | elements_kind == EXTERNAL_BYTE_ELEMENTS || |
| 2319 | elements_kind == EXTERNAL_UNSIGNED_BYTE_ELEMENTS || |
| 2320 | elements_kind == EXTERNAL_PIXEL_ELEMENTS; |
| 2321 | if (val_is_fixed_register) { |
| 2322 | return UseFixed(instr->value(), eax); |
| 2323 | } |
| 2324 | |
| 2325 | if (!CpuFeatures::IsSafeForSnapshot(SSE2) && |
| 2326 | IsDoubleOrFloatElementsKind(elements_kind)) { |
| 2327 | return UseRegisterAtStart(instr->value()); |
| 2328 | } |
| 2329 | |
| 2330 | return UseRegister(instr->value()); |
| 2331 | } |
| 2332 | |
| 2333 | |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2334 | LInstruction* LChunkBuilder::DoStoreKeyed(HStoreKeyed* instr) { |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2335 | if (!instr->is_external()) { |
| 2336 | ASSERT(instr->elements()->representation().IsTagged()); |
| 2337 | ASSERT(instr->key()->representation().IsInteger32() || |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2338 | instr->key()->representation().IsSmi()); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2339 | |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2340 | if (instr->value()->representation().IsDouble()) { |
| 2341 | LOperand* object = UseRegisterAtStart(instr->elements()); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2342 | LOperand* val = NULL; |
| 2343 | if (CpuFeatures::IsSafeForSnapshot(SSE2)) { |
| 2344 | val = UseRegisterAtStart(instr->value()); |
| 2345 | } else if (!instr->IsConstantHoleStore()) { |
| 2346 | val = UseX87TopOfStack(instr->value()); |
| 2347 | } |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2348 | LOperand* key = UseRegisterOrConstantAtStart(instr->key()); |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 2349 | return new(zone()) LStoreKeyed(object, key, val); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2350 | } else { |
svenpanne@chromium.org | a53e8e0 | 2013-05-24 12:35:50 +0000 | [diff] [blame] | 2351 | ASSERT(instr->value()->representation().IsSmiOrTagged()); |
yangguo@chromium.org | eeb44b6 | 2012-11-13 13:56:09 +0000 | [diff] [blame] | 2352 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
| 2353 | |
| 2354 | LOperand* obj = UseRegister(instr->elements()); |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2355 | LOperand* val; |
| 2356 | LOperand* key; |
| 2357 | if (needs_write_barrier) { |
| 2358 | val = UseTempRegister(instr->value()); |
| 2359 | key = UseTempRegister(instr->key()); |
| 2360 | } else { |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2361 | val = UseRegisterOrConstantAtStart(instr->value()); |
| 2362 | key = UseRegisterOrConstantAtStart(instr->key()); |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2363 | } |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 2364 | return new(zone()) LStoreKeyed(obj, key, val); |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2365 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 2366 | } |
verwaest@chromium.org | e4ee6de | 2012-11-06 12:13:00 +0000 | [diff] [blame] | 2367 | |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 2368 | ElementsKind elements_kind = instr->elements_kind(); |
| 2369 | ASSERT( |
| 2370 | (instr->value()->representation().IsInteger32() && |
| 2371 | (elements_kind != EXTERNAL_FLOAT_ELEMENTS) && |
| 2372 | (elements_kind != EXTERNAL_DOUBLE_ELEMENTS)) || |
| 2373 | (instr->value()->representation().IsDouble() && |
| 2374 | ((elements_kind == EXTERNAL_FLOAT_ELEMENTS) || |
| 2375 | (elements_kind == EXTERNAL_DOUBLE_ELEMENTS)))); |
| 2376 | ASSERT(instr->elements()->representation().IsExternal()); |
| 2377 | |
| 2378 | LOperand* external_pointer = UseRegister(instr->elements()); |
mstarzinger@chromium.org | e27d617 | 2013-04-17 11:51:44 +0000 | [diff] [blame] | 2379 | LOperand* val = GetStoreKeyedValueOperand(instr); |
ulan@chromium.org | 8e8d882 | 2012-11-23 14:36:46 +0000 | [diff] [blame] | 2380 | bool clobbers_key = ExternalArrayOpRequiresTemp( |
| 2381 | instr->key()->representation(), elements_kind); |
| 2382 | LOperand* key = clobbers_key |
| 2383 | ? UseTempRegister(instr->key()) |
| 2384 | : UseRegisterOrConstantAtStart(instr->key()); |
| 2385 | return new(zone()) LStoreKeyed(external_pointer, |
| 2386 | key, |
| 2387 | val); |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 2388 | } |
| 2389 | |
| 2390 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2391 | LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2392 | LOperand* context = UseFixed(instr->context(), esi); |
| 2393 | LOperand* object = UseFixed(instr->object(), edx); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2394 | LOperand* key = UseFixed(instr->key(), ecx); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2395 | LOperand* value = UseFixed(instr->value(), eax); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2396 | |
| 2397 | ASSERT(instr->object()->representation().IsTagged()); |
| 2398 | ASSERT(instr->key()->representation().IsTagged()); |
| 2399 | ASSERT(instr->value()->representation().IsTagged()); |
| 2400 | |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2401 | LStoreKeyedGeneric* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2402 | new(zone()) LStoreKeyedGeneric(context, object, key, value); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2403 | return MarkAsCall(result, instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2404 | } |
| 2405 | |
| 2406 | |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2407 | LInstruction* LChunkBuilder::DoTransitionElementsKind( |
| 2408 | HTransitionElementsKind* instr) { |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2409 | LOperand* object = UseRegister(instr->object()); |
yangguo@chromium.org | 003650e | 2013-01-24 16:31:08 +0000 | [diff] [blame] | 2410 | if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) { |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2411 | LOperand* object = UseRegister(instr->object()); |
| 2412 | LOperand* new_map_reg = TempRegister(); |
| 2413 | LOperand* temp_reg = TempRegister(); |
| 2414 | LTransitionElementsKind* result = |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2415 | new(zone()) LTransitionElementsKind(object, NULL, |
| 2416 | new_map_reg, temp_reg); |
| 2417 | return result; |
| 2418 | } else if (FLAG_compiled_transitions) { |
| 2419 | LOperand* context = UseRegister(instr->context()); |
| 2420 | LTransitionElementsKind* result = |
| 2421 | new(zone()) LTransitionElementsKind(object, context, NULL, NULL); |
| 2422 | return AssignPointerMap(result); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2423 | } else { |
| 2424 | LOperand* object = UseFixed(instr->object(), eax); |
| 2425 | LOperand* fixed_object_reg = FixedTemp(edx); |
| 2426 | LOperand* new_map_reg = FixedTemp(ebx); |
| 2427 | LTransitionElementsKind* result = |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2428 | new(zone()) LTransitionElementsKind(object, |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2429 | NULL, |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2430 | new_map_reg, |
| 2431 | fixed_object_reg); |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2432 | return MarkAsCall(result, instr); |
erik.corry@gmail.com | 394dbcf | 2011-10-27 07:38:48 +0000 | [diff] [blame] | 2433 | } |
| 2434 | } |
| 2435 | |
| 2436 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2437 | LInstruction* LChunkBuilder::DoTrapAllocationMemento( |
| 2438 | HTrapAllocationMemento* instr) { |
| 2439 | LOperand* object = UseRegister(instr->object()); |
| 2440 | LOperand* temp = TempRegister(); |
| 2441 | LTrapAllocationMemento* result = |
| 2442 | new(zone()) LTrapAllocationMemento(object, temp); |
| 2443 | return AssignEnvironment(result); |
| 2444 | } |
| 2445 | |
| 2446 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2447 | LInstruction* LChunkBuilder::DoStoreNamedField(HStoreNamedField* instr) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 2448 | bool is_in_object = instr->access().IsInobject(); |
fschneider@chromium.org | 9e3e0b6 | 2011-01-03 10:16:46 +0000 | [diff] [blame] | 2449 | bool needs_write_barrier = instr->NeedsWriteBarrier(); |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2450 | bool needs_write_barrier_for_map = !instr->transition().is_null() && |
| 2451 | instr->NeedsWriteBarrierForMap(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2452 | |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2453 | LOperand* obj; |
| 2454 | if (needs_write_barrier) { |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 2455 | obj = is_in_object |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2456 | ? UseRegister(instr->object()) |
| 2457 | : UseTempRegister(instr->object()); |
| 2458 | } else { |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2459 | obj = needs_write_barrier_for_map |
| 2460 | ? UseRegister(instr->object()) |
| 2461 | : UseRegisterAtStart(instr->object()); |
erik.corry@gmail.com | c3b670f | 2011-10-05 21:44:48 +0000 | [diff] [blame] | 2462 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2463 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2464 | bool can_be_constant = instr->value()->IsConstant() && |
| 2465 | HConstant::cast(instr->value())->NotInNewSpace() && |
| 2466 | !(FLAG_track_double_fields && instr->field_representation().IsDouble()); |
| 2467 | |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2468 | LOperand* val; |
| 2469 | if (needs_write_barrier) { |
| 2470 | val = UseTempRegister(instr->value()); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2471 | } else if (can_be_constant) { |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2472 | val = UseRegisterOrConstant(instr->value()); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2473 | } else if (FLAG_track_fields && instr->field_representation().IsSmi()) { |
| 2474 | val = UseTempRegister(instr->value()); |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 2475 | } else if (FLAG_track_double_fields && |
| 2476 | instr->field_representation().IsDouble()) { |
| 2477 | if (CpuFeatures::IsSafeForSnapshot(SSE2)) { |
| 2478 | val = UseRegisterAtStart(instr->value()); |
| 2479 | } else { |
| 2480 | val = UseX87TopOfStack(instr->value()); |
| 2481 | } |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2482 | } else { |
| 2483 | val = UseRegister(instr->value()); |
| 2484 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2485 | |
| 2486 | // We only need a scratch register if we have a write barrier or we |
| 2487 | // have a store into the properties array (not in-object-property). |
svenpanne@chromium.org | 53ad175 | 2013-05-27 12:20:38 +0000 | [diff] [blame] | 2488 | LOperand* temp = (!is_in_object || needs_write_barrier || |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 2489 | needs_write_barrier_for_map) ? TempRegister() : NULL; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2490 | |
verwaest@chromium.org | 3714139 | 2012-05-31 13:27:02 +0000 | [diff] [blame] | 2491 | // We need a temporary register for write barrier of the map field. |
| 2492 | LOperand* temp_map = needs_write_barrier_for_map ? TempRegister() : NULL; |
| 2493 | |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2494 | LStoreNamedField* result = |
| 2495 | new(zone()) LStoreNamedField(obj, val, temp, temp_map); |
danno@chromium.org | 1fd77d5 | 2013-06-07 16:01:45 +0000 | [diff] [blame] | 2496 | if (FLAG_track_heap_object_fields && |
| 2497 | instr->field_representation().IsHeapObject()) { |
| 2498 | if (!instr->value()->type().IsHeapObject()) { |
| 2499 | return AssignEnvironment(result); |
| 2500 | } |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2501 | } |
| 2502 | return result; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2503 | } |
| 2504 | |
| 2505 | |
| 2506 | LInstruction* LChunkBuilder::DoStoreNamedGeneric(HStoreNamedGeneric* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2507 | LOperand* context = UseFixed(instr->context(), esi); |
| 2508 | LOperand* object = UseFixed(instr->object(), edx); |
| 2509 | LOperand* value = UseFixed(instr->value(), eax); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2510 | |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2511 | LStoreNamedGeneric* result = |
| 2512 | new(zone()) LStoreNamedGeneric(context, object, value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2513 | return MarkAsCall(result, instr); |
| 2514 | } |
| 2515 | |
| 2516 | |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 2517 | LInstruction* LChunkBuilder::DoStringAdd(HStringAdd* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2518 | LOperand* context = UseFixed(instr->context(), esi); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 2519 | LOperand* left = UseOrConstantAtStart(instr->left()); |
| 2520 | LOperand* right = UseOrConstantAtStart(instr->right()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2521 | LStringAdd* string_add = new(zone()) LStringAdd(context, left, right); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2522 | return MarkAsCall(DefineFixed(string_add, eax), instr); |
danno@chromium.org | 160a7b0 | 2011-04-18 15:51:38 +0000 | [diff] [blame] | 2523 | } |
| 2524 | |
| 2525 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 2526 | LInstruction* LChunkBuilder::DoStringCharCodeAt(HStringCharCodeAt* instr) { |
ricow@chromium.org | 4668a2c | 2011-08-29 10:41:00 +0000 | [diff] [blame] | 2527 | LOperand* string = UseTempRegister(instr->string()); |
| 2528 | LOperand* index = UseTempRegister(instr->index()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2529 | LOperand* context = UseAny(instr->context()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2530 | LStringCharCodeAt* result = |
| 2531 | new(zone()) LStringCharCodeAt(context, string, index); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 2532 | return AssignEnvironment(AssignPointerMap(DefineAsRegister(result))); |
| 2533 | } |
| 2534 | |
| 2535 | |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 2536 | LInstruction* LChunkBuilder::DoStringCharFromCode(HStringCharFromCode* instr) { |
| 2537 | LOperand* char_code = UseRegister(instr->value()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2538 | LOperand* context = UseAny(instr->context()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2539 | LStringCharFromCode* result = |
| 2540 | new(zone()) LStringCharFromCode(context, char_code); |
whesse@chromium.org | b08986c | 2011-03-14 16:13:42 +0000 | [diff] [blame] | 2541 | return AssignPointerMap(DefineAsRegister(result)); |
| 2542 | } |
| 2543 | |
| 2544 | |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 2545 | LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) { |
| 2546 | LOperand* string = UseRegisterAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2547 | return DefineAsRegister(new(zone()) LStringLength(string)); |
vegorov@chromium.org | 0a4e901 | 2011-01-24 12:33:13 +0000 | [diff] [blame] | 2548 | } |
| 2549 | |
| 2550 | |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2551 | LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) { |
| 2552 | info()->MarkAsDeferredCalling(); |
| 2553 | LOperand* context = UseAny(instr->context()); |
danno@chromium.org | f005df6 | 2013-04-30 16:36:45 +0000 | [diff] [blame] | 2554 | LOperand* size = instr->size()->IsConstant() |
| 2555 | ? UseConstant(instr->size()) |
| 2556 | : UseTempRegister(instr->size()); |
danno@chromium.org | 94b0d6f | 2013-02-04 13:33:20 +0000 | [diff] [blame] | 2557 | LOperand* temp = TempRegister(); |
| 2558 | LAllocate* result = new(zone()) LAllocate(context, size, temp); |
| 2559 | return AssignPointerMap(DefineAsRegister(result)); |
| 2560 | } |
| 2561 | |
| 2562 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2563 | LInstruction* LChunkBuilder::DoRegExpLiteral(HRegExpLiteral* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2564 | LOperand* context = UseFixed(instr->context(), esi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2565 | return MarkAsCall( |
| 2566 | DefineFixed(new(zone()) LRegExpLiteral(context), eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2567 | } |
| 2568 | |
| 2569 | |
| 2570 | LInstruction* LChunkBuilder::DoFunctionLiteral(HFunctionLiteral* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2571 | LOperand* context = UseFixed(instr->context(), esi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2572 | return MarkAsCall( |
| 2573 | DefineFixed(new(zone()) LFunctionLiteral(context), eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2574 | } |
| 2575 | |
| 2576 | |
| 2577 | LInstruction* LChunkBuilder::DoDeleteProperty(HDeleteProperty* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2578 | LOperand* context = UseFixed(instr->context(), esi); |
| 2579 | LOperand* object = UseAtStart(instr->object()); |
| 2580 | LOperand* key = UseOrConstantAtStart(instr->key()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2581 | LDeleteProperty* result = new(zone()) LDeleteProperty(context, object, key); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2582 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2583 | } |
| 2584 | |
| 2585 | |
| 2586 | LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) { |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2587 | ASSERT(argument_count_ == 0); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2588 | allocator_->MarkAsOsrEntry(); |
| 2589 | current_block_->last_environment()->set_ast_id(instr->ast_id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2590 | return AssignEnvironment(new(zone()) LOsrEntry); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2591 | } |
| 2592 | |
| 2593 | |
| 2594 | LInstruction* LChunkBuilder::DoParameter(HParameter* instr) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2595 | LParameter* result = new(zone()) LParameter; |
mmassi@chromium.org | 2f0efde | 2013-02-06 14:12:58 +0000 | [diff] [blame] | 2596 | if (instr->kind() == HParameter::STACK_PARAMETER) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2597 | int spill_index = chunk()->GetParameterStackSlot(instr->index()); |
| 2598 | return DefineAsSpilled(result, spill_index); |
| 2599 | } else { |
| 2600 | ASSERT(info()->IsStub()); |
| 2601 | CodeStubInterfaceDescriptor* descriptor = |
| 2602 | info()->code_stub()->GetInterfaceDescriptor(info()->isolate()); |
danno@chromium.org | ca29dd8 | 2013-04-26 11:59:48 +0000 | [diff] [blame] | 2603 | int index = static_cast<int>(instr->index()); |
| 2604 | Register reg = DESCRIPTOR_GET_PARAMETER_REGISTER(descriptor, index); |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2605 | return DefineFixed(result, reg); |
| 2606 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2607 | } |
| 2608 | |
| 2609 | |
| 2610 | LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { |
| 2611 | int spill_index = chunk()->GetNextSpillIndex(false); // Not double-width. |
ulan@chromium.org | 57ff881 | 2013-05-10 08:16:55 +0000 | [diff] [blame] | 2612 | if (spill_index > LUnallocated::kMaxFixedSlotIndex) { |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 2613 | Abort("Too many spill slots needed for OSR"); |
| 2614 | spill_index = 0; |
| 2615 | } |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2616 | return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2617 | } |
| 2618 | |
| 2619 | |
| 2620 | LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2621 | LOperand* context = UseFixed(instr->context(), esi); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2622 | argument_count_ -= instr->argument_count(); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2623 | LCallStub* result = new(zone()) LCallStub(context); |
sgjesse@chromium.org | 496c03a | 2011-02-14 12:05:43 +0000 | [diff] [blame] | 2624 | return MarkAsCall(DefineFixed(result, eax), instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2625 | } |
| 2626 | |
| 2627 | |
| 2628 | LInstruction* LChunkBuilder::DoArgumentsObject(HArgumentsObject* instr) { |
fschneider@chromium.org | 3a5fd78 | 2011-02-24 10:10:44 +0000 | [diff] [blame] | 2629 | // There are no real uses of the arguments object. |
| 2630 | // arguments.length and element access are supported directly on |
| 2631 | // stack arguments, and any real arguments object use causes a bailout. |
| 2632 | // So this value is never used. |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2633 | return NULL; |
| 2634 | } |
| 2635 | |
| 2636 | |
| 2637 | LInstruction* LChunkBuilder::DoAccessArgumentsAt(HAccessArgumentsAt* instr) { |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2638 | info()->MarkAsRequiresFrame(); |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 2639 | LOperand* args = UseRegister(instr->arguments()); |
ulan@chromium.org | 77ca49a | 2013-04-22 09:43:56 +0000 | [diff] [blame] | 2640 | LOperand* length; |
| 2641 | LOperand* index; |
| 2642 | if (instr->length()->IsConstant() && instr->index()->IsConstant()) { |
| 2643 | length = UseRegisterOrConstant(instr->length()); |
| 2644 | index = UseOrConstant(instr->index()); |
| 2645 | } else { |
| 2646 | length = UseTempRegister(instr->length()); |
| 2647 | index = Use(instr->index()); |
| 2648 | } |
svenpanne@chromium.org | c859c4f | 2012-10-15 11:51:39 +0000 | [diff] [blame] | 2649 | return DefineAsRegister(new(zone()) LAccessArgumentsAt(args, length, index)); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2650 | } |
| 2651 | |
| 2652 | |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2653 | LInstruction* LChunkBuilder::DoToFastProperties(HToFastProperties* instr) { |
| 2654 | LOperand* object = UseFixed(instr->value(), eax); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2655 | LToFastProperties* result = new(zone()) LToFastProperties(object); |
sgjesse@chromium.org | ea88ce9 | 2011-03-23 11:19:56 +0000 | [diff] [blame] | 2656 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2657 | } |
| 2658 | |
| 2659 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2660 | LInstruction* LChunkBuilder::DoTypeof(HTypeof* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2661 | LOperand* context = UseFixed(instr->context(), esi); |
| 2662 | LOperand* value = UseAtStart(instr->value()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2663 | LTypeof* result = new(zone()) LTypeof(context, value); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2664 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2665 | } |
| 2666 | |
| 2667 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 2668 | LInstruction* LChunkBuilder::DoTypeofIsAndBranch(HTypeofIsAndBranch* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2669 | return new(zone()) LTypeofIsAndBranch(UseTempRegister(instr->value())); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2670 | } |
| 2671 | |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 2672 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 2673 | LInstruction* LChunkBuilder::DoIsConstructCallAndBranch( |
| 2674 | HIsConstructCallAndBranch* instr) { |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2675 | return new(zone()) LIsConstructCallAndBranch(TempRegister()); |
erik.corry@gmail.com | d91075f | 2011-02-10 07:45:38 +0000 | [diff] [blame] | 2676 | } |
| 2677 | |
| 2678 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2679 | LInstruction* LChunkBuilder::DoSimulate(HSimulate* instr) { |
| 2680 | HEnvironment* env = current_block_->last_environment(); |
| 2681 | ASSERT(env != NULL); |
| 2682 | |
| 2683 | env->set_ast_id(instr->ast_id()); |
| 2684 | |
| 2685 | env->Drop(instr->pop_count()); |
yangguo@chromium.org | fb37721 | 2012-11-16 14:43:43 +0000 | [diff] [blame] | 2686 | for (int i = instr->values()->length() - 1; i >= 0; --i) { |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2687 | HValue* value = instr->values()->at(i); |
| 2688 | if (instr->HasAssignedIndexAt(i)) { |
| 2689 | env->Bind(instr->GetAssignedIndexAt(i), value); |
| 2690 | } else { |
| 2691 | env->Push(value); |
| 2692 | } |
| 2693 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2694 | |
| 2695 | // If there is an instruction pending deoptimization environment create a |
| 2696 | // lazy bailout instruction to capture the environment. |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2697 | if (!pending_deoptimization_ast_id_.IsNone()) { |
kmillikin@chromium.org | 31b1277 | 2011-02-02 16:08:26 +0000 | [diff] [blame] | 2698 | ASSERT(pending_deoptimization_ast_id_ == instr->ast_id()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2699 | LLazyBailout* lazy_bailout = new(zone()) LLazyBailout; |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2700 | LInstruction* result = AssignEnvironment(lazy_bailout); |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2701 | // Store the lazy deopt environment with the instruction if needed. Right |
| 2702 | // now it is only used for LInstanceOfKnownGlobal. |
kmillikin@chromium.org | 31b1277 | 2011-02-02 16:08:26 +0000 | [diff] [blame] | 2703 | instruction_pending_deoptimization_environment_-> |
danno@chromium.org | 1044a4d | 2012-04-30 12:34:39 +0000 | [diff] [blame] | 2704 | SetDeferredLazyDeoptimizationEnvironment(result->environment()); |
| 2705 | instruction_pending_deoptimization_environment_ = NULL; |
mstarzinger@chromium.org | 471f2f1 | 2012-08-10 14:46:33 +0000 | [diff] [blame] | 2706 | pending_deoptimization_ast_id_ = BailoutId::None(); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2707 | return result; |
| 2708 | } |
| 2709 | |
| 2710 | return NULL; |
| 2711 | } |
| 2712 | |
| 2713 | |
| 2714 | LInstruction* LChunkBuilder::DoStackCheck(HStackCheck* instr) { |
yangguo@chromium.org | a6bbcc8 | 2012-12-21 12:35:02 +0000 | [diff] [blame] | 2715 | info()->MarkAsDeferredCalling(); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 2716 | if (instr->is_function_entry()) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2717 | LOperand* context = UseFixed(instr->context(), esi); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2718 | return MarkAsCall(new(zone()) LStackCheck(context), instr); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 2719 | } else { |
| 2720 | ASSERT(instr->is_backwards_branch()); |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2721 | LOperand* context = UseAny(instr->context()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2722 | return AssignEnvironment( |
| 2723 | AssignPointerMap(new(zone()) LStackCheck(context))); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 2724 | } |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2725 | } |
| 2726 | |
| 2727 | |
| 2728 | LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) { |
| 2729 | HEnvironment* outer = current_block_->last_environment(); |
| 2730 | HConstant* undefined = graph()->GetConstantUndefined(); |
| 2731 | HEnvironment* inner = outer->CopyForInlining(instr->closure(), |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 2732 | instr->arguments_count(), |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2733 | instr->function(), |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 2734 | undefined, |
yangguo@chromium.org | 003650e | 2013-01-24 16:31:08 +0000 | [diff] [blame] | 2735 | instr->inlining_kind(), |
| 2736 | instr->undefined_receiver()); |
dslomov@chromium.org | b752d40 | 2013-06-18 11:54:54 +0000 | [diff] [blame^] | 2737 | // Only replay binding of arguments object if it wasn't removed from graph. |
| 2738 | if (instr->arguments_var() != NULL && instr->arguments_object()->IsLinked()) { |
| 2739 | inner->Bind(instr->arguments_var(), instr->arguments_object()); |
danno@chromium.org | 8c0a43f | 2012-04-03 08:37:53 +0000 | [diff] [blame] | 2740 | } |
ulan@chromium.org | 56c14af | 2012-09-20 12:51:09 +0000 | [diff] [blame] | 2741 | inner->set_entry(instr); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2742 | current_block_->UpdateEnvironment(inner); |
| 2743 | chunk_->AddInlinedClosure(instr->closure()); |
| 2744 | return NULL; |
| 2745 | } |
| 2746 | |
| 2747 | |
| 2748 | LInstruction* LChunkBuilder::DoLeaveInlined(HLeaveInlined* instr) { |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2749 | LInstruction* pop = NULL; |
| 2750 | |
| 2751 | HEnvironment* env = current_block_->last_environment(); |
| 2752 | |
verwaest@chromium.org | 33e09c8 | 2012-10-10 17:07:22 +0000 | [diff] [blame] | 2753 | if (env->entry()->arguments_pushed()) { |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2754 | int argument_count = env->arguments_environment()->parameter_count(); |
| 2755 | pop = new(zone()) LDrop(argument_count); |
| 2756 | argument_count_ -= argument_count; |
| 2757 | } |
| 2758 | |
yangguo@chromium.org | 659ceec | 2012-01-26 07:37:54 +0000 | [diff] [blame] | 2759 | HEnvironment* outer = current_block_->last_environment()-> |
| 2760 | DiscardInlined(false); |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2761 | current_block_->UpdateEnvironment(outer); |
jkummerow@chromium.org | 28faa98 | 2012-04-13 09:58:30 +0000 | [diff] [blame] | 2762 | return pop; |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2763 | } |
| 2764 | |
| 2765 | |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 2766 | LInstruction* LChunkBuilder::DoIn(HIn* instr) { |
jkummerow@chromium.org | ddda9e8 | 2011-07-06 11:27:02 +0000 | [diff] [blame] | 2767 | LOperand* context = UseFixed(instr->context(), esi); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 2768 | LOperand* key = UseOrConstantAtStart(instr->key()); |
| 2769 | LOperand* object = UseOrConstantAtStart(instr->object()); |
jkummerow@chromium.org | c3b3712 | 2011-11-07 10:14:12 +0000 | [diff] [blame] | 2770 | LIn* result = new(zone()) LIn(context, key, object); |
erik.corry@gmail.com | 3847bd5 | 2011-04-27 10:38:56 +0000 | [diff] [blame] | 2771 | return MarkAsCall(DefineFixed(result, eax), instr); |
| 2772 | } |
| 2773 | |
| 2774 | |
kmillikin@chromium.org | be6bd10 | 2012-02-23 08:45:21 +0000 | [diff] [blame] | 2775 | LInstruction* LChunkBuilder::DoForInPrepareMap(HForInPrepareMap* instr) { |
| 2776 | LOperand* context = UseFixed(instr->context(), esi); |
| 2777 | LOperand* object = UseFixed(instr->enumerable(), eax); |
| 2778 | LForInPrepareMap* result = new(zone()) LForInPrepareMap(context, object); |
| 2779 | return MarkAsCall(DefineFixed(result, eax), instr, CAN_DEOPTIMIZE_EAGERLY); |
| 2780 | } |
| 2781 | |
| 2782 | |
| 2783 | LInstruction* LChunkBuilder::DoForInCacheArray(HForInCacheArray* instr) { |
| 2784 | LOperand* map = UseRegister(instr->map()); |
| 2785 | return AssignEnvironment(DefineAsRegister( |
| 2786 | new(zone()) LForInCacheArray(map))); |
| 2787 | } |
| 2788 | |
| 2789 | |
| 2790 | LInstruction* LChunkBuilder::DoCheckMapValue(HCheckMapValue* instr) { |
| 2791 | LOperand* value = UseRegisterAtStart(instr->value()); |
| 2792 | LOperand* map = UseRegisterAtStart(instr->map()); |
| 2793 | return AssignEnvironment(new(zone()) LCheckMapValue(value, map)); |
| 2794 | } |
| 2795 | |
| 2796 | |
| 2797 | LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
| 2798 | LOperand* object = UseRegister(instr->object()); |
| 2799 | LOperand* index = UseTempRegister(instr->index()); |
| 2800 | return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
| 2801 | } |
| 2802 | |
| 2803 | |
kasperl@chromium.org | a555126 | 2010-12-07 12:49:48 +0000 | [diff] [blame] | 2804 | } } // namespace v8::internal |
sgjesse@chromium.org | c6c5718 | 2011-01-17 12:24:25 +0000 | [diff] [blame] | 2805 | |
| 2806 | #endif // V8_TARGET_ARCH_IA32 |