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Side by Side Diff: src/objects-inl.h

Issue 148223002: Remove CallICs (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Update test262 status file Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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4167 for (int g = kGroupCount - 1; g > group; g--) { 4167 for (int g = kGroupCount - 1; g > group; g--) {
4168 if (starts.at(g) < starts.at(g + 1)) { 4168 if (starts.at(g) < starts.at(g + 1)) {
4169 copy(starts.at(g), starts.at(g + 1)); 4169 copy(starts.at(g), starts.at(g + 1));
4170 } 4170 }
4171 } 4171 }
4172 } 4172 }
4173 4173
4174 4174
4175 void Code::set_flags(Code::Flags flags) { 4175 void Code::set_flags(Code::Flags flags) {
4176 STATIC_ASSERT(Code::NUMBER_OF_KINDS <= KindField::kMax + 1); 4176 STATIC_ASSERT(Code::NUMBER_OF_KINDS <= KindField::kMax + 1);
4177 // Make sure that all call stubs have an arguments count.
4178 ASSERT((ExtractKindFromFlags(flags) != CALL_IC &&
4179 ExtractKindFromFlags(flags) != KEYED_CALL_IC) ||
4180 ExtractArgumentsCountFromFlags(flags) >= 0);
4181 WRITE_INT_FIELD(this, kFlagsOffset, flags); 4177 WRITE_INT_FIELD(this, kFlagsOffset, flags);
4182 } 4178 }
4183 4179
4184 4180
4185 Code::Kind Code::kind() { 4181 Code::Kind Code::kind() {
4186 return ExtractKindFromFlags(flags()); 4182 return ExtractKindFromFlags(flags());
4187 } 4183 }
4188 4184
4189 4185
4190 InlineCacheState Code::ic_state() { 4186 InlineCacheState Code::ic_state() {
(...skipping 21 matching lines...) Expand all
4212 return ExtractExtendedExtraICStateFromFlags(flags()); 4208 return ExtractExtendedExtraICStateFromFlags(flags());
4213 } 4209 }
4214 4210
4215 4211
4216 Code::StubType Code::type() { 4212 Code::StubType Code::type() {
4217 return ExtractTypeFromFlags(flags()); 4213 return ExtractTypeFromFlags(flags());
4218 } 4214 }
4219 4215
4220 4216
4221 int Code::arguments_count() { 4217 int Code::arguments_count() {
4222 ASSERT(is_call_stub() || is_keyed_call_stub() || 4218 ASSERT(kind() == STUB || is_handler());
4223 kind() == STUB || is_handler());
4224 return ExtractArgumentsCountFromFlags(flags()); 4219 return ExtractArgumentsCountFromFlags(flags());
4225 } 4220 }
4226 4221
4227 4222
4228 // For initialization. 4223 // For initialization.
4229 void Code::set_raw_kind_specific_flags1(int value) { 4224 void Code::set_raw_kind_specific_flags1(int value) {
4230 WRITE_INT_FIELD(this, kKindSpecificFlags1Offset, value); 4225 WRITE_INT_FIELD(this, kKindSpecificFlags1Offset, value);
4231 } 4226 }
4232 4227
4233 4228
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4268 bool Code::has_major_key() { 4263 bool Code::has_major_key() {
4269 return kind() == STUB || 4264 return kind() == STUB ||
4270 kind() == HANDLER || 4265 kind() == HANDLER ||
4271 kind() == BINARY_OP_IC || 4266 kind() == BINARY_OP_IC ||
4272 kind() == COMPARE_IC || 4267 kind() == COMPARE_IC ||
4273 kind() == COMPARE_NIL_IC || 4268 kind() == COMPARE_NIL_IC ||
4274 kind() == LOAD_IC || 4269 kind() == LOAD_IC ||
4275 kind() == KEYED_LOAD_IC || 4270 kind() == KEYED_LOAD_IC ||
4276 kind() == STORE_IC || 4271 kind() == STORE_IC ||
4277 kind() == KEYED_STORE_IC || 4272 kind() == KEYED_STORE_IC ||
4278 kind() == KEYED_CALL_IC ||
4279 kind() == TO_BOOLEAN_IC; 4273 kind() == TO_BOOLEAN_IC;
4280 } 4274 }
4281 4275
4282 4276
4283 bool Code::optimizable() { 4277 bool Code::optimizable() {
4284 ASSERT_EQ(FUNCTION, kind()); 4278 ASSERT_EQ(FUNCTION, kind());
4285 return READ_BYTE_FIELD(this, kOptimizableOffset) == 1; 4279 return READ_BYTE_FIELD(this, kOptimizableOffset) == 1;
4286 } 4280 }
4287 4281
4288 4282
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4421 4415
4422 void Code::set_back_edges_patched_for_osr(bool value) { 4416 void Code::set_back_edges_patched_for_osr(bool value) {
4423 ASSERT_EQ(FUNCTION, kind()); 4417 ASSERT_EQ(FUNCTION, kind());
4424 int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset); 4418 int previous = READ_UINT32_FIELD(this, kKindSpecificFlags2Offset);
4425 int updated = BackEdgesPatchedForOSRField::update(previous, value); 4419 int updated = BackEdgesPatchedForOSRField::update(previous, value);
4426 WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated); 4420 WRITE_UINT32_FIELD(this, kKindSpecificFlags2Offset, updated);
4427 } 4421 }
4428 4422
4429 4423
4430 4424
4431 CheckType Code::check_type() {
4432 ASSERT(is_call_stub() || is_keyed_call_stub());
4433 byte type = READ_BYTE_FIELD(this, kCheckTypeOffset);
4434 return static_cast<CheckType>(type);
4435 }
4436
4437
4438 void Code::set_check_type(CheckType value) {
4439 ASSERT(is_call_stub() || is_keyed_call_stub());
4440 WRITE_BYTE_FIELD(this, kCheckTypeOffset, value);
4441 }
4442
4443
4444 byte Code::to_boolean_state() { 4425 byte Code::to_boolean_state() {
4445 return extended_extra_ic_state(); 4426 return extended_extra_ic_state();
4446 } 4427 }
4447 4428
4448 4429
4449 bool Code::has_function_cache() { 4430 bool Code::has_function_cache() {
4450 ASSERT(kind() == STUB); 4431 ASSERT(kind() == STUB);
4451 return HasFunctionCacheField::decode( 4432 return HasFunctionCacheField::decode(
4452 READ_UINT32_FIELD(this, kKindSpecificFlags1Offset)); 4433 READ_UINT32_FIELD(this, kKindSpecificFlags1Offset));
4453 } 4434 }
(...skipping 27 matching lines...) Expand all
4481 switch (kind) { 4462 switch (kind) {
4482 #define CASE(name) case name: return true; 4463 #define CASE(name) case name: return true;
4483 IC_KIND_LIST(CASE) 4464 IC_KIND_LIST(CASE)
4484 #undef CASE 4465 #undef CASE
4485 default: return false; 4466 default: return false;
4486 } 4467 }
4487 } 4468 }
4488 4469
4489 4470
4490 bool Code::is_keyed_stub() { 4471 bool Code::is_keyed_stub() {
4491 return is_keyed_load_stub() || is_keyed_store_stub() || is_keyed_call_stub(); 4472 return is_keyed_load_stub() || is_keyed_store_stub();
4492 } 4473 }
4493 4474
4494 4475
4495 bool Code::is_debug_stub() { 4476 bool Code::is_debug_stub() {
4496 return ic_state() == DEBUG_STUB; 4477 return ic_state() == DEBUG_STUB;
4497 } 4478 }
4498 4479
4499 4480
4500 ConstantPoolArray* Code::constant_pool() { 4481 ConstantPoolArray* Code::constant_pool() {
4501 return ConstantPoolArray::cast(READ_FIELD(this, kConstantPoolOffset)); 4482 return ConstantPoolArray::cast(READ_FIELD(this, kConstantPoolOffset));
4502 } 4483 }
4503 4484
4504 4485
4505 void Code::set_constant_pool(Object* value) { 4486 void Code::set_constant_pool(Object* value) {
4506 ASSERT(value->IsConstantPoolArray()); 4487 ASSERT(value->IsConstantPoolArray());
4507 WRITE_FIELD(this, kConstantPoolOffset, value); 4488 WRITE_FIELD(this, kConstantPoolOffset, value);
4508 WRITE_BARRIER(GetHeap(), this, kConstantPoolOffset, value); 4489 WRITE_BARRIER(GetHeap(), this, kConstantPoolOffset, value);
4509 } 4490 }
4510 4491
4511 4492
4512 Code::Flags Code::ComputeFlags(Kind kind, 4493 Code::Flags Code::ComputeFlags(Kind kind,
4513 InlineCacheState ic_state, 4494 InlineCacheState ic_state,
4514 ExtraICState extra_ic_state, 4495 ExtraICState extra_ic_state,
4515 StubType type, 4496 StubType type,
4516 int argc, 4497 int argc,
4517 InlineCacheHolderFlag holder) { 4498 InlineCacheHolderFlag holder) {
4518 ASSERT(argc <= Code::kMaxArguments); 4499 ASSERT(argc <= Code::kMaxArguments);
4519 // Since the extended extra ic state overlaps with the argument count
4520 // for CALL_ICs, do so checks to make sure that they don't interfere.
4521 ASSERT((kind != Code::CALL_IC &&
4522 kind != Code::KEYED_CALL_IC) ||
4523 (ExtraICStateField::encode(extra_ic_state) | true));
4524 // Compute the bit mask. 4500 // Compute the bit mask.
4525 unsigned int bits = KindField::encode(kind) 4501 unsigned int bits = KindField::encode(kind)
4526 | ICStateField::encode(ic_state) 4502 | ICStateField::encode(ic_state)
4527 | TypeField::encode(type) 4503 | TypeField::encode(type)
4528 | ExtendedExtraICStateField::encode(extra_ic_state) 4504 | ExtendedExtraICStateField::encode(extra_ic_state)
4529 | CacheHolderField::encode(holder); 4505 | CacheHolderField::encode(holder);
4530 if (!Code::needs_extended_extra_ic_state(kind)) { 4506 if (!Code::needs_extended_extra_ic_state(kind)) {
4531 bits |= (argc << kArgumentsCountShift); 4507 bits |= (argc << kArgumentsCountShift);
4532 } 4508 }
4533 return static_cast<Flags>(bits); 4509 return static_cast<Flags>(bits);
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6805 #undef READ_UINT32_FIELD 6781 #undef READ_UINT32_FIELD
6806 #undef WRITE_UINT32_FIELD 6782 #undef WRITE_UINT32_FIELD
6807 #undef READ_SHORT_FIELD 6783 #undef READ_SHORT_FIELD
6808 #undef WRITE_SHORT_FIELD 6784 #undef WRITE_SHORT_FIELD
6809 #undef READ_BYTE_FIELD 6785 #undef READ_BYTE_FIELD
6810 #undef WRITE_BYTE_FIELD 6786 #undef WRITE_BYTE_FIELD
6811 6787
6812 } } // namespace v8::internal 6788 } } // namespace v8::internal
6813 6789
6814 #endif // V8_OBJECTS_INL_H_ 6790 #endif // V8_OBJECTS_INL_H_
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