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Side by Side Diff: src/x87/full-codegen-x87.cc

Issue 1152473003: X87: Cleanup interface descriptors to reflect that vectors are part of loads. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: 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_X87 7 #if V8_TARGET_ARCH_X87
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"
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1246 1246
1247 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { 1247 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) {
1248 Comment cnmt(masm_, "[ SuperReference "); 1248 Comment cnmt(masm_, "[ SuperReference ");
1249 1249
1250 __ mov(LoadDescriptor::ReceiverRegister(), 1250 __ mov(LoadDescriptor::ReceiverRegister(),
1251 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 1251 Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
1252 1252
1253 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); 1253 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol());
1254 __ mov(LoadDescriptor::NameRegister(), home_object_symbol); 1254 __ mov(LoadDescriptor::NameRegister(), home_object_symbol);
1255 1255
1256 __ mov(VectorLoadICDescriptor::SlotRegister(), 1256 __ mov(LoadDescriptor::SlotRegister(),
1257 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); 1257 Immediate(SmiFromSlot(expr->HomeObjectFeedbackSlot())));
1258 CallLoadIC(NOT_CONTEXTUAL); 1258 CallLoadIC(NOT_CONTEXTUAL);
1259 1259
1260 __ cmp(eax, isolate()->factory()->undefined_value()); 1260 __ cmp(eax, isolate()->factory()->undefined_value());
1261 Label done; 1261 Label done;
1262 __ j(not_equal, &done); 1262 __ j(not_equal, &done);
1263 __ CallRuntime(Runtime::kThrowNonMethodError, 0); 1263 __ CallRuntime(Runtime::kThrowNonMethodError, 0);
1264 __ bind(&done); 1264 __ bind(&done);
1265 } 1265 }
1266 1266
(...skipping 56 matching lines...) Expand 10 before | Expand all | Expand 10 after
1323 // Load next context in chain. 1323 // Load next context in chain.
1324 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX)); 1324 __ mov(temp, ContextOperand(temp, Context::PREVIOUS_INDEX));
1325 __ jmp(&next); 1325 __ jmp(&next);
1326 __ bind(&fast); 1326 __ bind(&fast);
1327 } 1327 }
1328 1328
1329 // All extension objects were empty and it is safe to use a global 1329 // All extension objects were empty and it is safe to use a global
1330 // load IC call. 1330 // load IC call.
1331 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1331 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1332 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name()); 1332 __ mov(LoadDescriptor::NameRegister(), proxy->var()->name());
1333 __ mov(VectorLoadICDescriptor::SlotRegister(), 1333 __ mov(LoadDescriptor::SlotRegister(),
1334 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); 1334 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1335 1335
1336 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) 1336 ContextualMode mode = (typeof_state == INSIDE_TYPEOF)
1337 ? NOT_CONTEXTUAL 1337 ? NOT_CONTEXTUAL
1338 : CONTEXTUAL; 1338 : CONTEXTUAL;
1339 1339
1340 CallLoadIC(mode); 1340 CallLoadIC(mode);
1341 } 1341 }
1342 1342
1343 1343
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after
1409 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); 1409 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS);
1410 Variable* var = proxy->var(); 1410 Variable* var = proxy->var();
1411 1411
1412 // Three cases: global variables, lookup variables, and all other types of 1412 // Three cases: global variables, lookup variables, and all other types of
1413 // variables. 1413 // variables.
1414 switch (var->location()) { 1414 switch (var->location()) {
1415 case Variable::UNALLOCATED: { 1415 case Variable::UNALLOCATED: {
1416 Comment cmnt(masm_, "[ Global variable"); 1416 Comment cmnt(masm_, "[ Global variable");
1417 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1417 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1418 __ mov(LoadDescriptor::NameRegister(), var->name()); 1418 __ mov(LoadDescriptor::NameRegister(), var->name());
1419 __ mov(VectorLoadICDescriptor::SlotRegister(), 1419 __ mov(LoadDescriptor::SlotRegister(),
1420 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); 1420 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
1421 CallGlobalLoadIC(var->name()); 1421 CallGlobalLoadIC(var->name());
1422 context()->Plug(eax); 1422 context()->Plug(eax);
1423 break; 1423 break;
1424 } 1424 }
1425 1425
1426 case Variable::PARAMETER: 1426 case Variable::PARAMETER:
1427 case Variable::LOCAL: 1427 case Variable::LOCAL:
1428 case Variable::CONTEXT: { 1428 case Variable::CONTEXT: {
1429 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" 1429 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable"
(...skipping 672 matching lines...) Expand 10 before | Expand all | Expand 10 after
2102 __ bind(&l_next); 2102 __ bind(&l_next);
2103 2103
2104 __ mov(load_name, isolate()->factory()->next_string()); 2104 __ mov(load_name, isolate()->factory()->next_string());
2105 __ push(load_name); // "next" 2105 __ push(load_name); // "next"
2106 __ push(Operand(esp, 2 * kPointerSize)); // iter 2106 __ push(Operand(esp, 2 * kPointerSize)); // iter
2107 __ push(eax); // received 2107 __ push(eax); // received
2108 2108
2109 // result = receiver[f](arg); 2109 // result = receiver[f](arg);
2110 __ bind(&l_call); 2110 __ bind(&l_call);
2111 __ mov(load_receiver, Operand(esp, kPointerSize)); 2111 __ mov(load_receiver, Operand(esp, kPointerSize));
2112 __ mov(VectorLoadICDescriptor::SlotRegister(), 2112 __ mov(LoadDescriptor::SlotRegister(),
2113 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); 2113 Immediate(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
2114 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2114 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2115 CallIC(ic, TypeFeedbackId::None()); 2115 CallIC(ic, TypeFeedbackId::None());
2116 __ mov(edi, eax); 2116 __ mov(edi, eax);
2117 __ mov(Operand(esp, 2 * kPointerSize), edi); 2117 __ mov(Operand(esp, 2 * kPointerSize), edi);
2118 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); 2118 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
2119 __ CallStub(&stub); 2119 __ CallStub(&stub);
2120 2120
2121 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); 2121 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
2122 __ Drop(1); // The function is still on the stack; drop it. 2122 __ Drop(1); // The function is still on the stack; drop it.
2123 2123
2124 // if (!result.done) goto l_try; 2124 // if (!result.done) goto l_try;
2125 __ bind(&l_loop); 2125 __ bind(&l_loop);
2126 __ push(eax); // save result 2126 __ push(eax); // save result
2127 __ Move(load_receiver, eax); // result 2127 __ Move(load_receiver, eax); // result
2128 __ mov(load_name, 2128 __ mov(load_name,
2129 isolate()->factory()->done_string()); // "done" 2129 isolate()->factory()->done_string()); // "done"
2130 __ mov(VectorLoadICDescriptor::SlotRegister(), 2130 __ mov(LoadDescriptor::SlotRegister(),
2131 Immediate(SmiFromSlot(expr->DoneFeedbackSlot()))); 2131 Immediate(SmiFromSlot(expr->DoneFeedbackSlot())));
2132 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax 2132 CallLoadIC(NOT_CONTEXTUAL); // result.done in eax
2133 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); 2133 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate());
2134 CallIC(bool_ic); 2134 CallIC(bool_ic);
2135 __ test(eax, eax); 2135 __ test(eax, eax);
2136 __ j(zero, &l_try); 2136 __ j(zero, &l_try);
2137 2137
2138 // result.value 2138 // result.value
2139 __ pop(load_receiver); // result 2139 __ pop(load_receiver); // result
2140 __ mov(load_name, 2140 __ mov(load_name,
2141 isolate()->factory()->value_string()); // "value" 2141 isolate()->factory()->value_string()); // "value"
2142 __ mov(VectorLoadICDescriptor::SlotRegister(), 2142 __ mov(LoadDescriptor::SlotRegister(),
2143 Immediate(SmiFromSlot(expr->ValueFeedbackSlot()))); 2143 Immediate(SmiFromSlot(expr->ValueFeedbackSlot())));
2144 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax 2144 CallLoadIC(NOT_CONTEXTUAL); // result.value in eax
2145 context()->DropAndPlug(2, eax); // drop iter and g 2145 context()->DropAndPlug(2, eax); // drop iter and g
2146 break; 2146 break;
2147 } 2147 }
2148 } 2148 }
2149 } 2149 }
2150 2150
2151 2151
2152 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, 2152 void FullCodeGenerator::EmitGeneratorResume(Expression *generator,
(...skipping 118 matching lines...) Expand 10 before | Expand all | Expand 10 after
2271 } 2271 }
2272 2272
2273 2273
2274 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 2274 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
2275 SetSourcePosition(prop->position()); 2275 SetSourcePosition(prop->position());
2276 Literal* key = prop->key()->AsLiteral(); 2276 Literal* key = prop->key()->AsLiteral();
2277 DCHECK(!key->value()->IsSmi()); 2277 DCHECK(!key->value()->IsSmi());
2278 DCHECK(!prop->IsSuperAccess()); 2278 DCHECK(!prop->IsSuperAccess());
2279 2279
2280 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value())); 2280 __ mov(LoadDescriptor::NameRegister(), Immediate(key->value()));
2281 __ mov(VectorLoadICDescriptor::SlotRegister(), 2281 __ mov(LoadDescriptor::SlotRegister(),
2282 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2282 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
2283 CallLoadIC(NOT_CONTEXTUAL); 2283 CallLoadIC(NOT_CONTEXTUAL);
2284 } 2284 }
2285 2285
2286 2286
2287 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { 2287 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
2288 // Stack: receiver, home_object. 2288 // Stack: receiver, home_object.
2289 SetSourcePosition(prop->position()); 2289 SetSourcePosition(prop->position());
2290 Literal* key = prop->key()->AsLiteral(); 2290 Literal* key = prop->key()->AsLiteral();
2291 DCHECK(!key->value()->IsSmi()); 2291 DCHECK(!key->value()->IsSmi());
2292 DCHECK(prop->IsSuperAccess()); 2292 DCHECK(prop->IsSuperAccess());
2293 2293
2294 __ push(Immediate(key->value())); 2294 __ push(Immediate(key->value()));
2295 __ CallRuntime(Runtime::kLoadFromSuper, 3); 2295 __ CallRuntime(Runtime::kLoadFromSuper, 3);
2296 } 2296 }
2297 2297
2298 2298
2299 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 2299 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
2300 SetSourcePosition(prop->position()); 2300 SetSourcePosition(prop->position());
2301 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2301 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2302 __ mov(VectorLoadICDescriptor::SlotRegister(), 2302 __ mov(LoadDescriptor::SlotRegister(),
2303 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2303 Immediate(SmiFromSlot(prop->PropertyFeedbackSlot())));
2304 CallIC(ic); 2304 CallIC(ic);
2305 } 2305 }
2306 2306
2307 2307
2308 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { 2308 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
2309 // Stack: receiver, home_object, key. 2309 // Stack: receiver, home_object, key.
2310 SetSourcePosition(prop->position()); 2310 SetSourcePosition(prop->position());
2311 2311
2312 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); 2312 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
(...skipping 2204 matching lines...) Expand 10 before | Expand all | Expand 10 after
4517 4517
4518 4518
4519 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { 4519 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
4520 // Push the builtins object as receiver. 4520 // Push the builtins object as receiver.
4521 __ mov(eax, GlobalObjectOperand()); 4521 __ mov(eax, GlobalObjectOperand());
4522 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset)); 4522 __ push(FieldOperand(eax, GlobalObject::kBuiltinsOffset));
4523 4523
4524 // Load the function from the receiver. 4524 // Load the function from the receiver.
4525 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0)); 4525 __ mov(LoadDescriptor::ReceiverRegister(), Operand(esp, 0));
4526 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name())); 4526 __ mov(LoadDescriptor::NameRegister(), Immediate(expr->name()));
4527 __ mov(VectorLoadICDescriptor::SlotRegister(), 4527 __ mov(LoadDescriptor::SlotRegister(),
4528 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); 4528 Immediate(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
4529 CallLoadIC(NOT_CONTEXTUAL); 4529 CallLoadIC(NOT_CONTEXTUAL);
4530 } 4530 }
4531 4531
4532 4532
4533 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { 4533 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
4534 ZoneList<Expression*>* args = expr->arguments(); 4534 ZoneList<Expression*>* args = expr->arguments();
4535 int arg_count = args->length(); 4535 int arg_count = args->length();
4536 4536
4537 // Record source position of the IC call. 4537 // Record source position of the IC call.
(...skipping 420 matching lines...) Expand 10 before | Expand all | Expand 10 after
4958 4958
4959 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { 4959 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
4960 VariableProxy* proxy = expr->AsVariableProxy(); 4960 VariableProxy* proxy = expr->AsVariableProxy();
4961 DCHECK(!context()->IsEffect()); 4961 DCHECK(!context()->IsEffect());
4962 DCHECK(!context()->IsTest()); 4962 DCHECK(!context()->IsTest());
4963 4963
4964 if (proxy != NULL && proxy->var()->IsUnallocated()) { 4964 if (proxy != NULL && proxy->var()->IsUnallocated()) {
4965 Comment cmnt(masm_, "[ Global variable"); 4965 Comment cmnt(masm_, "[ Global variable");
4966 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 4966 __ mov(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
4967 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name())); 4967 __ mov(LoadDescriptor::NameRegister(), Immediate(proxy->name()));
4968 __ mov(VectorLoadICDescriptor::SlotRegister(), 4968 __ mov(LoadDescriptor::SlotRegister(),
4969 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot()))); 4969 Immediate(SmiFromSlot(proxy->VariableFeedbackSlot())));
4970 // Use a regular load, not a contextual load, to avoid a reference 4970 // Use a regular load, not a contextual load, to avoid a reference
4971 // error. 4971 // error.
4972 CallLoadIC(NOT_CONTEXTUAL); 4972 CallLoadIC(NOT_CONTEXTUAL);
4973 PrepareForBailout(expr, TOS_REG); 4973 PrepareForBailout(expr, TOS_REG);
4974 context()->Plug(eax); 4974 context()->Plug(eax);
4975 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { 4975 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) {
4976 Comment cmnt(masm_, "[ Lookup slot"); 4976 Comment cmnt(masm_, "[ Lookup slot");
4977 Label done, slow; 4977 Label done, slow;
4978 4978
(...skipping 360 matching lines...) Expand 10 before | Expand all | Expand 10 after
5339 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 5339 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
5340 Assembler::target_address_at(call_target_address, 5340 Assembler::target_address_at(call_target_address,
5341 unoptimized_code)); 5341 unoptimized_code));
5342 return OSR_AFTER_STACK_CHECK; 5342 return OSR_AFTER_STACK_CHECK;
5343 } 5343 }
5344 5344
5345 5345
5346 } } // namespace v8::internal 5346 } } // namespace v8::internal
5347 5347
5348 #endif // V8_TARGET_ARCH_X87 5348 #endif // V8_TARGET_ARCH_X87
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