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

Issue 1144063002: Cleanup interface descriptors to reflect that vectors are part of loads. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fixes for test failures. 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_MIPS 7 #if V8_TARGET_ARCH_MIPS
8 8
9 // Note on Mips implementation: 9 // Note on Mips implementation:
10 // 10 //
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1315 1315
1316 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { 1316 void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) {
1317 Comment cnmt(masm_, "[ SuperReference "); 1317 Comment cnmt(masm_, "[ SuperReference ");
1318 1318
1319 __ lw(LoadDescriptor::ReceiverRegister(), 1319 __ lw(LoadDescriptor::ReceiverRegister(),
1320 MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1320 MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1321 1321
1322 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); 1322 Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol());
1323 __ li(LoadDescriptor::NameRegister(), home_object_symbol); 1323 __ li(LoadDescriptor::NameRegister(), home_object_symbol);
1324 1324
1325 __ li(VectorLoadICDescriptor::SlotRegister(), 1325 __ li(LoadDescriptor::SlotRegister(),
1326 Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); 1326 Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot())));
1327 CallLoadIC(NOT_CONTEXTUAL); 1327 CallLoadIC(NOT_CONTEXTUAL);
1328 1328
1329 Label done; 1329 Label done;
1330 __ Branch(&done, ne, v0, Operand(isolate()->factory()->undefined_value())); 1330 __ Branch(&done, ne, v0, Operand(isolate()->factory()->undefined_value()));
1331 __ CallRuntime(Runtime::kThrowNonMethodError, 0); 1331 __ CallRuntime(Runtime::kThrowNonMethodError, 0);
1332 __ bind(&done); 1332 __ bind(&done);
1333 } 1333 }
1334 1334
1335 1335
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1386 __ lw(temp, ContextOperand(next, Context::EXTENSION_INDEX)); 1386 __ lw(temp, ContextOperand(next, Context::EXTENSION_INDEX));
1387 __ Branch(slow, ne, temp, Operand(zero_reg)); 1387 __ Branch(slow, ne, temp, Operand(zero_reg));
1388 // Load next context in chain. 1388 // Load next context in chain.
1389 __ lw(next, ContextOperand(next, Context::PREVIOUS_INDEX)); 1389 __ lw(next, ContextOperand(next, Context::PREVIOUS_INDEX));
1390 __ Branch(&loop); 1390 __ Branch(&loop);
1391 __ bind(&fast); 1391 __ bind(&fast);
1392 } 1392 }
1393 1393
1394 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1394 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1395 __ li(LoadDescriptor::NameRegister(), Operand(proxy->var()->name())); 1395 __ li(LoadDescriptor::NameRegister(), Operand(proxy->var()->name()));
1396 __ li(VectorLoadICDescriptor::SlotRegister(), 1396 __ li(LoadDescriptor::SlotRegister(),
1397 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); 1397 Operand(SmiFromSlot(proxy->VariableFeedbackSlot())));
1398 1398
1399 ContextualMode mode = (typeof_state == INSIDE_TYPEOF) 1399 ContextualMode mode = (typeof_state == INSIDE_TYPEOF)
1400 ? NOT_CONTEXTUAL 1400 ? NOT_CONTEXTUAL
1401 : CONTEXTUAL; 1401 : CONTEXTUAL;
1402 CallLoadIC(mode); 1402 CallLoadIC(mode);
1403 } 1403 }
1404 1404
1405 1405
1406 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, 1406 MemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var,
(...skipping 67 matching lines...) Expand 10 before | Expand all | Expand 10 after
1474 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS); 1474 PrepareForBailoutForId(proxy->BeforeId(), NO_REGISTERS);
1475 Variable* var = proxy->var(); 1475 Variable* var = proxy->var();
1476 1476
1477 // Three cases: global variables, lookup variables, and all other types of 1477 // Three cases: global variables, lookup variables, and all other types of
1478 // variables. 1478 // variables.
1479 switch (var->location()) { 1479 switch (var->location()) {
1480 case Variable::UNALLOCATED: { 1480 case Variable::UNALLOCATED: {
1481 Comment cmnt(masm_, "[ Global variable"); 1481 Comment cmnt(masm_, "[ Global variable");
1482 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 1482 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
1483 __ li(LoadDescriptor::NameRegister(), Operand(var->name())); 1483 __ li(LoadDescriptor::NameRegister(), Operand(var->name()));
1484 __ li(VectorLoadICDescriptor::SlotRegister(), 1484 __ li(LoadDescriptor::SlotRegister(),
1485 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); 1485 Operand(SmiFromSlot(proxy->VariableFeedbackSlot())));
1486 CallGlobalLoadIC(var->name()); 1486 CallGlobalLoadIC(var->name());
1487 context()->Plug(v0); 1487 context()->Plug(v0);
1488 break; 1488 break;
1489 } 1489 }
1490 1490
1491 case Variable::PARAMETER: 1491 case Variable::PARAMETER:
1492 case Variable::LOCAL: 1492 case Variable::LOCAL:
1493 case Variable::CONTEXT: { 1493 case Variable::CONTEXT: {
1494 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable" 1494 Comment cmnt(masm_, var->IsContextSlot() ? "[ Context variable"
(...skipping 677 matching lines...) Expand 10 before | Expand all | Expand 10 after
2172 __ bind(&l_next); 2172 __ bind(&l_next);
2173 2173
2174 __ LoadRoot(load_name, Heap::knext_stringRootIndex); // "next" 2174 __ LoadRoot(load_name, Heap::knext_stringRootIndex); // "next"
2175 __ lw(a3, MemOperand(sp, 1 * kPointerSize)); // iter 2175 __ lw(a3, MemOperand(sp, 1 * kPointerSize)); // iter
2176 __ Push(load_name, a3, a0); // "next", iter, received 2176 __ Push(load_name, a3, a0); // "next", iter, received
2177 2177
2178 // result = receiver[f](arg); 2178 // result = receiver[f](arg);
2179 __ bind(&l_call); 2179 __ bind(&l_call);
2180 __ lw(load_receiver, MemOperand(sp, kPointerSize)); 2180 __ lw(load_receiver, MemOperand(sp, kPointerSize));
2181 __ lw(load_name, MemOperand(sp, 2 * kPointerSize)); 2181 __ lw(load_name, MemOperand(sp, 2 * kPointerSize));
2182 __ li(VectorLoadICDescriptor::SlotRegister(), 2182 __ li(LoadDescriptor::SlotRegister(),
2183 Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot()))); 2183 Operand(SmiFromSlot(expr->KeyedLoadFeedbackSlot())));
2184 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2184 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2185 CallIC(ic, TypeFeedbackId::None()); 2185 CallIC(ic, TypeFeedbackId::None());
2186 __ mov(a0, v0); 2186 __ mov(a0, v0);
2187 __ mov(a1, a0); 2187 __ mov(a1, a0);
2188 __ sw(a1, MemOperand(sp, 2 * kPointerSize)); 2188 __ sw(a1, MemOperand(sp, 2 * kPointerSize));
2189 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); 2189 CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD);
2190 __ CallStub(&stub); 2190 __ CallStub(&stub);
2191 2191
2192 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2192 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
2193 __ Drop(1); // The function is still on the stack; drop it. 2193 __ Drop(1); // The function is still on the stack; drop it.
2194 2194
2195 // if (!result.done) goto l_try; 2195 // if (!result.done) goto l_try;
2196 __ Move(load_receiver, v0); 2196 __ Move(load_receiver, v0);
2197 2197
2198 __ push(load_receiver); // save result 2198 __ push(load_receiver); // save result
2199 __ LoadRoot(load_name, Heap::kdone_stringRootIndex); // "done" 2199 __ LoadRoot(load_name, Heap::kdone_stringRootIndex); // "done"
2200 __ li(VectorLoadICDescriptor::SlotRegister(), 2200 __ li(LoadDescriptor::SlotRegister(),
2201 Operand(SmiFromSlot(expr->DoneFeedbackSlot()))); 2201 Operand(SmiFromSlot(expr->DoneFeedbackSlot())));
2202 CallLoadIC(NOT_CONTEXTUAL); // v0=result.done 2202 CallLoadIC(NOT_CONTEXTUAL); // v0=result.done
2203 __ mov(a0, v0); 2203 __ mov(a0, v0);
2204 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); 2204 Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate());
2205 CallIC(bool_ic); 2205 CallIC(bool_ic);
2206 __ Branch(&l_try, eq, v0, Operand(zero_reg)); 2206 __ Branch(&l_try, eq, v0, Operand(zero_reg));
2207 2207
2208 // result.value 2208 // result.value
2209 __ pop(load_receiver); // result 2209 __ pop(load_receiver); // result
2210 __ LoadRoot(load_name, Heap::kvalue_stringRootIndex); // "value" 2210 __ LoadRoot(load_name, Heap::kvalue_stringRootIndex); // "value"
2211 __ li(VectorLoadICDescriptor::SlotRegister(), 2211 __ li(LoadDescriptor::SlotRegister(),
2212 Operand(SmiFromSlot(expr->ValueFeedbackSlot()))); 2212 Operand(SmiFromSlot(expr->ValueFeedbackSlot())));
2213 CallLoadIC(NOT_CONTEXTUAL); // v0=result.value 2213 CallLoadIC(NOT_CONTEXTUAL); // v0=result.value
2214 context()->DropAndPlug(2, v0); // drop iter and g 2214 context()->DropAndPlug(2, v0); // drop iter and g
2215 break; 2215 break;
2216 } 2216 }
2217 } 2217 }
2218 } 2218 }
2219 2219
2220 2220
2221 void FullCodeGenerator::EmitGeneratorResume(Expression *generator, 2221 void FullCodeGenerator::EmitGeneratorResume(Expression *generator,
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2343 a2, a3, kRAHasBeenSaved, kDontSaveFPRegs); 2343 a2, a3, kRAHasBeenSaved, kDontSaveFPRegs);
2344 } 2344 }
2345 2345
2346 2346
2347 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 2347 void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
2348 SetSourcePosition(prop->position()); 2348 SetSourcePosition(prop->position());
2349 Literal* key = prop->key()->AsLiteral(); 2349 Literal* key = prop->key()->AsLiteral();
2350 DCHECK(!prop->IsSuperAccess()); 2350 DCHECK(!prop->IsSuperAccess());
2351 2351
2352 __ li(LoadDescriptor::NameRegister(), Operand(key->value())); 2352 __ li(LoadDescriptor::NameRegister(), Operand(key->value()));
2353 __ li(VectorLoadICDescriptor::SlotRegister(), 2353 __ li(LoadDescriptor::SlotRegister(),
2354 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2354 Operand(SmiFromSlot(prop->PropertyFeedbackSlot())));
2355 CallLoadIC(NOT_CONTEXTUAL); 2355 CallLoadIC(NOT_CONTEXTUAL);
2356 } 2356 }
2357 2357
2358 2358
2359 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { 2359 void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
2360 // Stack: receiver, home_object. 2360 // Stack: receiver, home_object.
2361 SetSourcePosition(prop->position()); 2361 SetSourcePosition(prop->position());
2362 Literal* key = prop->key()->AsLiteral(); 2362 Literal* key = prop->key()->AsLiteral();
2363 DCHECK(!key->value()->IsSmi()); 2363 DCHECK(!key->value()->IsSmi());
2364 DCHECK(prop->IsSuperAccess()); 2364 DCHECK(prop->IsSuperAccess());
2365 2365
2366 __ Push(key->value()); 2366 __ Push(key->value());
2367 __ CallRuntime(Runtime::kLoadFromSuper, 3); 2367 __ CallRuntime(Runtime::kLoadFromSuper, 3);
2368 } 2368 }
2369 2369
2370 2370
2371 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 2371 void FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) {
2372 SetSourcePosition(prop->position()); 2372 SetSourcePosition(prop->position());
2373 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2373 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code();
2374 __ li(VectorLoadICDescriptor::SlotRegister(), 2374 __ li(LoadDescriptor::SlotRegister(),
2375 Operand(SmiFromSlot(prop->PropertyFeedbackSlot()))); 2375 Operand(SmiFromSlot(prop->PropertyFeedbackSlot())));
2376 CallIC(ic); 2376 CallIC(ic);
2377 } 2377 }
2378 2378
2379 2379
2380 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) { 2380 void FullCodeGenerator::EmitKeyedSuperPropertyLoad(Property* prop) {
2381 // Stack: receiver, home_object, key. 2381 // Stack: receiver, home_object, key.
2382 SetSourcePosition(prop->position()); 2382 SetSourcePosition(prop->position());
2383 2383
2384 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3); 2384 __ CallRuntime(Runtime::kLoadKeyedFromSuper, 3);
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4607 4607
4608 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) { 4608 void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
4609 // Push the builtins object as the receiver. 4609 // Push the builtins object as the receiver.
4610 Register receiver = LoadDescriptor::ReceiverRegister(); 4610 Register receiver = LoadDescriptor::ReceiverRegister();
4611 __ lw(receiver, GlobalObjectOperand()); 4611 __ lw(receiver, GlobalObjectOperand());
4612 __ lw(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset)); 4612 __ lw(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset));
4613 __ push(receiver); 4613 __ push(receiver);
4614 4614
4615 // Load the function from the receiver. 4615 // Load the function from the receiver.
4616 __ li(LoadDescriptor::NameRegister(), Operand(expr->name())); 4616 __ li(LoadDescriptor::NameRegister(), Operand(expr->name()));
4617 __ li(VectorLoadICDescriptor::SlotRegister(), 4617 __ li(LoadDescriptor::SlotRegister(),
4618 Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot()))); 4618 Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
4619 CallLoadIC(NOT_CONTEXTUAL); 4619 CallLoadIC(NOT_CONTEXTUAL);
4620 } 4620 }
4621 4621
4622 4622
4623 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) { 4623 void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
4624 ZoneList<Expression*>* args = expr->arguments(); 4624 ZoneList<Expression*>* args = expr->arguments();
4625 int arg_count = args->length(); 4625 int arg_count = args->length();
4626 4626
4627 // Record source position of the IC call. 4627 // Record source position of the IC call.
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5044 5044
5045 5045
5046 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) { 5046 void FullCodeGenerator::VisitForTypeofValue(Expression* expr) {
5047 DCHECK(!context()->IsEffect()); 5047 DCHECK(!context()->IsEffect());
5048 DCHECK(!context()->IsTest()); 5048 DCHECK(!context()->IsTest());
5049 VariableProxy* proxy = expr->AsVariableProxy(); 5049 VariableProxy* proxy = expr->AsVariableProxy();
5050 if (proxy != NULL && proxy->var()->IsUnallocated()) { 5050 if (proxy != NULL && proxy->var()->IsUnallocated()) {
5051 Comment cmnt(masm_, "[ Global variable"); 5051 Comment cmnt(masm_, "[ Global variable");
5052 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 5052 __ lw(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand());
5053 __ li(LoadDescriptor::NameRegister(), Operand(proxy->name())); 5053 __ li(LoadDescriptor::NameRegister(), Operand(proxy->name()));
5054 __ li(VectorLoadICDescriptor::SlotRegister(), 5054 __ li(LoadDescriptor::SlotRegister(),
5055 Operand(SmiFromSlot(proxy->VariableFeedbackSlot()))); 5055 Operand(SmiFromSlot(proxy->VariableFeedbackSlot())));
5056 // Use a regular load, not a contextual load, to avoid a reference 5056 // Use a regular load, not a contextual load, to avoid a reference
5057 // error. 5057 // error.
5058 CallLoadIC(NOT_CONTEXTUAL); 5058 CallLoadIC(NOT_CONTEXTUAL);
5059 PrepareForBailout(expr, TOS_REG); 5059 PrepareForBailout(expr, TOS_REG);
5060 context()->Plug(v0); 5060 context()->Plug(v0);
5061 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { 5061 } else if (proxy != NULL && proxy->var()->IsLookupSlot()) {
5062 Comment cmnt(masm_, "[ Lookup slot"); 5062 Comment cmnt(masm_, "[ Lookup slot");
5063 Label done, slow; 5063 Label done, slow;
5064 5064
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5423 Assembler::target_address_at(pc_immediate_load_address)) == 5423 Assembler::target_address_at(pc_immediate_load_address)) ==
5424 reinterpret_cast<uint32_t>( 5424 reinterpret_cast<uint32_t>(
5425 isolate->builtins()->OsrAfterStackCheck()->entry())); 5425 isolate->builtins()->OsrAfterStackCheck()->entry()));
5426 return OSR_AFTER_STACK_CHECK; 5426 return OSR_AFTER_STACK_CHECK;
5427 } 5427 }
5428 5428
5429 5429
5430 } } // namespace v8::internal 5430 } } // namespace v8::internal
5431 5431
5432 #endif // V8_TARGET_ARCH_MIPS 5432 #endif // V8_TARGET_ARCH_MIPS
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