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Issue 1129853002: Removing FLAG_vector_ics. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Comment response. Created 5 years, 7 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
(...skipping 1241 matching lines...) Expand 10 before | Expand all | Expand 10 after
1252 1252
1253 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { 1253 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) {
1254 Comment cnmt(masm_, "[ SuperReference "); 1254 Comment cnmt(masm_, "[ SuperReference ");
1255 1255
1256 __ mov(LoadDescriptor::ReceiverRegister(), 1256 __ mov(LoadDescriptor::ReceiverRegister(),
1257 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1257 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1258 1258
1259 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); 1259 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol());
1260 __ mov(LoadDescriptor::NameRegister(), home_object_symbol); 1260 __ mov(LoadDescriptor::NameRegister(), home_object_symbol);
1261 1261
1262 if (FLAG_vector_ics) { 1262 __ mov(VectorLoadICDescriptor::SlotRegister(),
1263 __ mov(VectorLoadICDescriptor::SlotRegister(), 1263 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot())));
1264 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); 1264 CallLoadIC(NOT_CONTEXTUAL);
1265 CallLoadIC(NOT_CONTEXTUAL);
1266 } else {
1267 CallLoadIC(NOT_CONTEXTUAL, expr->HomeObjectFeedbackId());
1268 }
1269 1265
1270 __ cmp(eax, isolate()->factory()->undefined_value()); 1266 __ cmp(eax, isolate()->factory()->undefined_value());
1271 Label done; 1267 Label done;
1272 __ j(not_equal, &done); 1268 __ j(not_equal, &done);
1273 __ CallRuntime(Runtime::kThrowNonMethodError, 0); 1269 __ CallRuntime(Runtime::kThrowNonMethodError, 0);
1274 __ bind(&done); 1270 __ bind(&done);
1275 } 1271 }
1276 1272
1277 1273
1278 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer, 1274 void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer,
(...skipping 54 matching lines...) Expand 10 before | Expand all | Expand 10 after
1333 // Load next context in chain. 1329 // Load next context in chain.
1334 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX)); 1330 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX));
1335 __ jmp(&next); 1331 __ jmp(&next);
1336 __ bind(&fast); 1332 __ bind(&fast);
1337 } 1333 }
1338 1334
1339 // All extension objects were empty and it is safe to use a global 1335 // All extension objects were empty and it is safe to use a global
1340 // load IC call. 1336 // load IC call.
1341 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1337 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1342 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name()); 1338 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name());
1343 if (FLAG_vector_ics) { 1339 __ mov(VectorLoadICDescriptor::SlotRegister(),
1344 __ mov(VectorLoadICDescriptor::SlotRegister(), 1340 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1345 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1346 }
1347 1341
1348 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) 1342 ContextualMode mode = (typeof_state == INSIDE_TYPEOF)
1349 ? NOT_CONTEXTUAL 1343 ? NOT_CONTEXTUAL
1350 : CONTEXTUAL; 1344 : CONTEXTUAL;
1351 1345
1352 CallLoadIC(mode); 1346 CallLoadIC(mode);
1353 } 1347 }
1354 1348
1355 1349
1356 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, 1350 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var,
(...skipping 64 matching lines...) Expand 10 before | Expand all | Expand 10 after
1421 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); 1415 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS);
1422 Variable* var = proxy->var(); 1416 Variable* var = proxy->var();
1423 1417
1424 // Three cases: global variables, lookup variables, and all other types of 1418 // Three cases: global variables, lookup variables, and all other types of
1425 // variables. 1419 // variables.
1426 switch (var->location()) { 1420 switch (var->location()) {
1427 case Variable::UNALLOCATED: { 1421 case Variable::UNALLOCATED: {
1428 Comment cmnt(masm_, "[ Global variable"); 1422 Comment cmnt(masm_, "[ Global variable");
1429 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1423 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1430 __ mov(LoadDescriptor::NameRegister(), var->name()); 1424 __ mov(LoadDescriptor::NameRegister(), var->name());
1431 if (FLAG_vector_ics) { 1425 __ mov(VectorLoadICDescriptor::SlotRegister(),
1432 __ mov(VectorLoadICDescriptor::SlotRegister(), 1426 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1433 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1434 }
1435 CallGlobalLoadIC(var->name()); 1427 CallGlobalLoadIC(var->name());
1436 context()->Plug(eax); 1428 context()->Plug(eax);
1437 break; 1429 break;
1438 } 1430 }
1439 1431
1440 case Variable::PARAMETER: 1432 case Variable::PARAMETER:
1441 case Variable::LOCAL: 1433 case Variable::LOCAL:
1442 case Variable::CONTEXT: { 1434 case Variable::CONTEXT: {
1443 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" 1435 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable"
1444 : "[ Stack variable"); 1436 : "[ Stack variable");
(...skipping 673 matching lines...) Expand 10 before | Expand all | Expand 10 after
2118 __ bind(&l_next); 2110 __ bind(&l_next);
2119 2111
2120 __ mov(load_name, isolate()->factory()->next_string()); 2112 __ mov(load_name, isolate()->factory()->next_string());
2121 __ push(load_name); // "next" 2113 __ push(load_name); // "next"
2122 __ push(Operand(esp, 2 * kPointerSize)); // iter 2114 __ push(Operand(esp, 2 * kPointerSize)); // iter
2123 __ push(eax); // received 2115 __ push(eax); // received
2124 2116
2125 // result = receiver[f](arg); 2117 // result = receiver[f](arg);
2126 __ bind(&l_call); 2118 __ bind(&l_call);
2127 __ mov(load_receiver, Operand(esp, kPointerSize)); 2119 __ mov(load_receiver, Operand(esp, kPointerSize));
2128 if (FLAG_vector_ics) { 2120 __ mov(VectorLoadICDescriptor::SlotRegister(),
2129 __ mov(VectorLoadICDescriptor::SlotRegister(), 2121 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
2130 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
2131 }
2132 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2122 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2133 CallIC(ic, TypeFeedbackId::None()); 2123 CallIC(ic, TypeFeedbackId::None());
2134 __ mov(edi, eax); 2124 __ mov(edi, eax);
2135 __ mov(Operand(esp, 2 * kPointerSize), edi); 2125 __ mov(Operand(esp, 2 * kPointerSize), edi);
2136 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); 2126 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
2137 __ CallStub(&stub); 2127 __ CallStub(&stub);
2138 2128
2139 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); 2129 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
2140 __ Drop(1); // The function is still on the stack; drop it. 2130 __ Drop(1); // The function is still on the stack; drop it.
2141 2131
2142 // if (!result.done) goto l_try; 2132 // if (!result.done) goto l_try;
2143 __ bind(&l_loop); 2133 __ bind(&l_loop);
2144 __ push(eax); // save result 2134 __ push(eax); // save result
2145 __ Move(load_receiver, eax); // result 2135 __ Move(load_receiver, eax); // result
2146 __ mov(load_name, 2136 __ mov(load_name,
2147 isolate()->factory()->done_string()); // "done" 2137 isolate()->factory()->done_string()); // "done"
2148 if (FLAG_vector_ics) { 2138 __ mov(VectorLoadICDescriptor::SlotRegister(),
2149 __ mov(VectorLoadICDescriptor::SlotRegister(), 2139 Immediate(SmiFromSlot(expr->DoneFeedbackSlot())));
2150 Immediate(SmiFromSlot(expr->DoneFeedbackSlot())));
2151 }
2152 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax 2140 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax
2153 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); 2141 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate());
2154 CallIC(bool_ic); 2142 CallIC(bool_ic);
2155 __ test(eax, eax); 2143 __ test(eax, eax);
2156 __ j(zero, &l_try); 2144 __ j(zero, &l_try);
2157 2145
2158 // result.value 2146 // result.value
2159 __ pop(load_receiver); // result 2147 __ pop(load_receiver); // result
2160 __ mov(load_name, 2148 __ mov(load_name,
2161 isolate()->factory()->value_string()); // "value" 2149 isolate()->factory()->value_string()); // "value"
2162 if (FLAG_vector_ics) { 2150 __ mov(VectorLoadICDescriptor::SlotRegister(),
2163 __ mov(VectorLoadICDescriptor::SlotRegister(), 2151 Immediate(SmiFromSlot(expr->ValueFeedbackSlot())));
2164 Immediate(SmiFromSlot(expr->ValueFeedbackSlot())));
2165 }
2166 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax 2152 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax
2167 context()->DropAndPlug(2, eax); // drop iter and g 2153 context()->DropAndPlug(2, eax); // drop iter and g
2168 break; 2154 break;
2169 } 2155 }
2170 } 2156 }
2171 } 2157 }
2172 2158
2173 2159
2174 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, 2160 void FullCodeGenerator::EmitGeneratorResume(Expression *generator,
2175 Expression *value, 2161 Expression *value,
(...skipping 117 matching lines...) Expand 10 before | Expand all | Expand 10 after
2293 } 2279 }
2294 2280
2295 2281
2296 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 2282 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
2297 SetSourcePosition(prop->position()); 2283 SetSourcePosition(prop->position());
2298 Literal* key = prop->key()->AsLiteral(); 2284 Literal* key = prop->key()->AsLiteral();
2299 DCHECK(!key->value()->IsSmi()); 2285 DCHECK(!key->value()->IsSmi());
2300 DCHECK(!prop->IsSuperAccess()); 2286 DCHECK(!prop->IsSuperAccess());
2301 2287
2302 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value())); 2288 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value()));
2303 if (FLAG_vector_ics) { 2289 __ mov(VectorLoadICDescriptor::SlotRegister(),
2304 __ mov(VectorLoadICDescriptor::SlotRegister(), 2290 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
2305 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2291 CallLoadIC(NOT_CONTEXTUAL);
2306 CallLoadIC(NOT_CONTEXTUAL);
2307 } else {
2308 CallLoadIC(NOT_CONTEXTUAL, prop->PropertyFeedbackId());
2309 }
2310 } 2292 }
2311 2293
2312 2294
2313 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { 2295 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
2314 // Stack: receiver, home_object. 2296 // Stack: receiver, home_object.
2315 SetSourcePosition(prop->position()); 2297 SetSourcePosition(prop->position());
2316 Literal* key = prop->key()->AsLiteral(); 2298 Literal* key = prop->key()->AsLiteral();
2317 DCHECK(!key->value()->IsSmi()); 2299 DCHECK(!key->value()->IsSmi());
2318 DCHECK(prop->IsSuperAccess()); 2300 DCHECK(prop->IsSuperAccess());
2319 2301
2320 __ push(Immediate(key->value())); 2302 __ push(Immediate(key->value()));
2321 __ CallRuntime(Runtime::kLoadFromSuper, 3); 2303 __ CallRuntime(Runtime::kLoadFromSuper, 3);
2322 } 2304 }
2323 2305
2324 2306
2325 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 2307 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
2326 SetSourcePosition(prop->position()); 2308 SetSourcePosition(prop->position());
2327 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2309 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2328 if (FLAG_vector_ics) { 2310 __ mov(VectorLoadICDescriptor::SlotRegister(),
2329 __ mov(VectorLoadICDescriptor::SlotRegister(), 2311 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
2330 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2312 CallIC(ic);
2331 CallIC(ic);
2332 } else {
2333 CallIC(ic, prop->PropertyFeedbackId());
2334 }
2335 } 2313 }
2336 2314
2337 2315
2338 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { 2316 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
2339 // Stack: receiver, home_object, key. 2317 // Stack: receiver, home_object, key.
2340 SetSourcePosition(prop->position()); 2318 SetSourcePosition(prop->position());
2341 2319
2342 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); 2320 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
2343 } 2321 }
2344 2322
(...skipping 2201 matching lines...) Expand 10 before | Expand all | Expand 10 after
4546 4524
4547 4525
4548 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { 4526 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
4549 // Push the builtins object as receiver. 4527 // Push the builtins object as receiver.
4550 __ mov(eax, GlobalObjectOperand()); 4528 __ mov(eax, GlobalObjectOperand());
4551 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset)); 4529 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset));
4552 4530
4553 // Load the function from the receiver. 4531 // Load the function from the receiver.
4554 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0)); 4532 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0));
4555 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name())); 4533 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name()));
4556 if (FLAG_vector_ics) { 4534 __ mov(VectorLoadICDescriptor::SlotRegister(),
4557 __ mov(VectorLoadICDescriptor::SlotRegister(), 4535 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
4558 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); 4536 CallLoadIC(NOT_CONTEXTUAL);
4559 CallLoadIC(NOT_CONTEXTUAL);
4560 } else {
4561 CallLoadIC(NOT_CONTEXTUAL, expr->CallRuntimeFeedbackId());
4562 }
4563 } 4537 }
4564 4538
4565 4539
4566 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { 4540 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
4567 ZoneList<Expression*>* args = expr->arguments(); 4541 ZoneList<Expression*>* args = expr->arguments();
4568 int arg_count = args->length(); 4542 int arg_count = args->length();
4569 4543
4570 // Record source position of the IC call. 4544 // Record source position of the IC call.
4571 SetSourcePosition(expr->position()); 4545 SetSourcePosition(expr->position());
4572 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 4546 CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
(...skipping 418 matching lines...) Expand 10 before | Expand all | Expand 10 after
4991 4965
4992 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { 4966 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
4993 VariableProxy* proxy = expr->AsVariableProxy(); 4967 VariableProxy* proxy = expr->AsVariableProxy();
4994 DCHECK(!context()->IsEffect()); 4968 DCHECK(!context()->IsEffect());
4995 DCHECK(!context()->IsTest()); 4969 DCHECK(!context()->IsTest());
4996 4970
4997 if (proxy != NULL && proxy->var()->IsUnallocated()) { 4971 if (proxy != NULL && proxy->var()->IsUnallocated()) {
4998 Comment cmnt(masm_, "[ Global variable"); 4972 Comment cmnt(masm_, "[ Global variable");
4999 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 4973 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
5000 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name())); 4974 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name()));
5001 if (FLAG_vector_ics) { 4975 __ mov(VectorLoadICDescriptor::SlotRegister(),
5002 __ mov(VectorLoadICDescriptor::SlotRegister(), 4976 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
5003 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
5004 }
5005 // Use a regular load, not a contextual load, to avoid a reference 4977 // Use a regular load, not a contextual load, to avoid a reference
5006 // error. 4978 // error.
5007 CallLoadIC(NOT_CONTEXTUAL); 4979 CallLoadIC(NOT_CONTEXTUAL);
5008 PrepareForBailout(expr, TOS_REG); 4980 PrepareForBailout(expr, TOS_REG);
5009 context()->Plug(eax); 4981 context()->Plug(eax);
5010 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { 4982 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) {
5011 Comment cmnt(masm_, "[ Lookup slot"); 4983 Comment cmnt(masm_, "[ Lookup slot");
5012 Label done, slow; 4984 Label done, slow;
5013 4985
5014 // Generate code for loading from variables potentially shadowed 4986 // Generate code for loading from variables potentially shadowed
(...skipping 359 matching lines...) Expand 10 before | Expand all | Expand 10 after
5374 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 5346 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
5375 Assembler::target_address_at(call_target_address, 5347 Assembler::target_address_at(call_target_address,
5376 unoptimized_code)); 5348 unoptimized_code));
5377 return OSR_AFTER_STACK_CHECK; 5349 return OSR_AFTER_STACK_CHECK;
5378 } 5350 }
5379 5351
5380 5352
5381 } } // namespace v8::internal 5353 } } // namespace v8::internal
5382 5354
5383 #endif // V8_TARGET_ARCH_IA32 5355 #endif // V8_TARGET_ARCH_IA32
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