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Issue 153913002: A64: Synchronize with r16756. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: 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
(...skipping 339 matching lines...) Expand 10 before | Expand all | Expand 10 after
350 GetParameter(1), 350 GetParameter(1),
351 static_cast<HValue*>(NULL), 351 static_cast<HValue*>(NULL),
352 FAST_ELEMENTS); 352 FAST_ELEMENTS);
353 IfBuilder checker(this); 353 IfBuilder checker(this);
354 checker.IfNot<HCompareObjectEqAndBranch, HValue*>(allocation_site, 354 checker.IfNot<HCompareObjectEqAndBranch, HValue*>(allocation_site,
355 undefined); 355 undefined);
356 checker.Then(); 356 checker.Then();
357 357
358 HObjectAccess access = HObjectAccess::ForAllocationSiteTransitionInfo(); 358 HObjectAccess access = HObjectAccess::ForAllocationSiteTransitionInfo();
359 HInstruction* boilerplate = Add<HLoadNamedField>(allocation_site, access); 359 HInstruction* boilerplate = Add<HLoadNamedField>(allocation_site, access);
360 HValue* push_value;
360 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) { 361 if (mode == FastCloneShallowArrayStub::CLONE_ANY_ELEMENTS) {
361 HValue* elements = AddLoadElements(boilerplate); 362 HValue* elements = AddLoadElements(boilerplate);
362 363
363 IfBuilder if_fixed_cow(this); 364 IfBuilder if_fixed_cow(this);
364 if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map()); 365 if_fixed_cow.If<HCompareMap>(elements, factory->fixed_cow_array_map());
365 if_fixed_cow.Then(); 366 if_fixed_cow.Then();
366 environment()->Push(BuildCloneShallowArray(boilerplate, 367 push_value = BuildCloneShallowArray(boilerplate,
367 allocation_site, 368 allocation_site,
368 alloc_site_mode, 369 alloc_site_mode,
369 FAST_ELEMENTS, 370 FAST_ELEMENTS,
370 0/*copy-on-write*/)); 371 0/*copy-on-write*/);
372 environment()->Push(push_value);
371 if_fixed_cow.Else(); 373 if_fixed_cow.Else();
372 374
373 IfBuilder if_fixed(this); 375 IfBuilder if_fixed(this);
374 if_fixed.If<HCompareMap>(elements, factory->fixed_array_map()); 376 if_fixed.If<HCompareMap>(elements, factory->fixed_array_map());
375 if_fixed.Then(); 377 if_fixed.Then();
376 environment()->Push(BuildCloneShallowArray(boilerplate, 378 push_value = BuildCloneShallowArray(boilerplate,
377 allocation_site, 379 allocation_site,
378 alloc_site_mode, 380 alloc_site_mode,
379 FAST_ELEMENTS, 381 FAST_ELEMENTS,
380 length)); 382 length);
383 environment()->Push(push_value);
381 if_fixed.Else(); 384 if_fixed.Else();
382 environment()->Push(BuildCloneShallowArray(boilerplate, 385 push_value = BuildCloneShallowArray(boilerplate,
383 allocation_site, 386 allocation_site,
384 alloc_site_mode, 387 alloc_site_mode,
385 FAST_DOUBLE_ELEMENTS, 388 FAST_DOUBLE_ELEMENTS,
386 length)); 389 length);
390 environment()->Push(push_value);
387 } else { 391 } else {
388 ElementsKind elements_kind = casted_stub()->ComputeElementsKind(); 392 ElementsKind elements_kind = casted_stub()->ComputeElementsKind();
389 environment()->Push(BuildCloneShallowArray(boilerplate, 393 push_value = BuildCloneShallowArray(boilerplate,
390 allocation_site, 394 allocation_site,
391 alloc_site_mode, 395 alloc_site_mode,
392 elements_kind, 396 elements_kind,
393 length)); 397 length);
398 environment()->Push(push_value);
394 } 399 }
395 400
396 checker.ElseDeopt("Uninitialized boilerplate literals"); 401 checker.ElseDeopt("Uninitialized boilerplate literals");
397 checker.End(); 402 checker.End();
398 403
399 return environment()->Pop(); 404 return environment()->Pop();
400 } 405 }
401 406
402 407
403 Handle<Code> FastCloneShallowArrayStub::GenerateCode(Isolate* isolate) { 408 Handle<Code> FastCloneShallowArrayStub::GenerateCode(Isolate* isolate) {
(...skipping 507 matching lines...) Expand 10 before | Expand all | Expand 10 after
911 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode(Isolate* isolate) { 916 Handle<Code> ElementsTransitionAndStoreStub::GenerateCode(Isolate* isolate) {
912 return DoGenerateCode(isolate, this); 917 return DoGenerateCode(isolate, this);
913 } 918 }
914 919
915 920
916 void CodeStubGraphBuilderBase::BuildInstallOptimizedCode( 921 void CodeStubGraphBuilderBase::BuildInstallOptimizedCode(
917 HValue* js_function, 922 HValue* js_function,
918 HValue* native_context, 923 HValue* native_context,
919 HValue* code_object) { 924 HValue* code_object) {
920 Counters* counters = isolate()->counters(); 925 Counters* counters = isolate()->counters();
921 AddIncrementCounter(counters->fast_new_closure_install_optimized(), 926 AddIncrementCounter(counters->fast_new_closure_install_optimized());
922 context());
923 927
924 // TODO(fschneider): Idea: store proper code pointers in the optimized code 928 // TODO(fschneider): Idea: store proper code pointers in the optimized code
925 // map and either unmangle them on marking or do nothing as the whole map is 929 // map and either unmangle them on marking or do nothing as the whole map is
926 // discarded on major GC anyway. 930 // discarded on major GC anyway.
927 Add<HStoreCodeEntry>(js_function, code_object); 931 Add<HStoreCodeEntry>(js_function, code_object);
928 932
929 // Now link a function into a list of optimized functions. 933 // Now link a function into a list of optimized functions.
930 HValue* optimized_functions_list = Add<HLoadNamedField>(native_context, 934 HValue* optimized_functions_list = Add<HLoadNamedField>(native_context,
931 HObjectAccess::ForContextSlot(Context::OPTIMIZED_FUNCTIONS_LIST)); 935 HObjectAccess::ForContextSlot(Context::OPTIMIZED_FUNCTIONS_LIST));
932 Add<HStoreNamedField>(js_function, 936 Add<HStoreNamedField>(js_function,
(...skipping 27 matching lines...) Expand all
960 HInstruction* optimized_map = Add<HLoadNamedField>(shared_info, 964 HInstruction* optimized_map = Add<HLoadNamedField>(shared_info,
961 HObjectAccess::ForOptimizedCodeMap()); 965 HObjectAccess::ForOptimizedCodeMap());
962 HValue* null_constant = Add<HConstant>(0); 966 HValue* null_constant = Add<HConstant>(0);
963 is_optimized.If<HCompareObjectEqAndBranch>(optimized_map, null_constant); 967 is_optimized.If<HCompareObjectEqAndBranch>(optimized_map, null_constant);
964 is_optimized.Then(); 968 is_optimized.Then();
965 { 969 {
966 BuildInstallCode(js_function, shared_info); 970 BuildInstallCode(js_function, shared_info);
967 } 971 }
968 is_optimized.Else(); 972 is_optimized.Else();
969 { 973 {
970 AddIncrementCounter(counters->fast_new_closure_try_optimized(), context()); 974 AddIncrementCounter(counters->fast_new_closure_try_optimized());
971 // optimized_map points to fixed array of 3-element entries 975 // optimized_map points to fixed array of 3-element entries
972 // (native context, optimized code, literals). 976 // (native context, optimized code, literals).
973 // Map must never be empty, so check the first elements. 977 // Map must never be empty, so check the first elements.
974 Label install_optimized; 978 Label install_optimized;
975 HValue* first_context_slot = Add<HLoadNamedField>(optimized_map, 979 HValue* first_context_slot = Add<HLoadNamedField>(optimized_map,
976 HObjectAccess::ForFirstContextSlot()); 980 HObjectAccess::ForFirstContextSlot());
977 IfBuilder already_in(this); 981 IfBuilder already_in(this);
978 already_in.If<HCompareObjectEqAndBranch>(native_context, 982 already_in.If<HCompareObjectEqAndBranch>(native_context,
979 first_context_slot); 983 first_context_slot);
980 already_in.Then(); 984 already_in.Then();
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
1049 Counters* counters = isolate()->counters(); 1053 Counters* counters = isolate()->counters();
1050 Factory* factory = isolate()->factory(); 1054 Factory* factory = isolate()->factory();
1051 HInstruction* empty_fixed_array = 1055 HInstruction* empty_fixed_array =
1052 Add<HConstant>(factory->empty_fixed_array()); 1056 Add<HConstant>(factory->empty_fixed_array());
1053 HValue* shared_info = GetParameter(0); 1057 HValue* shared_info = GetParameter(0);
1054 1058
1055 // Create a new closure from the given function info in new space 1059 // Create a new closure from the given function info in new space
1056 HValue* size = Add<HConstant>(JSFunction::kSize); 1060 HValue* size = Add<HConstant>(JSFunction::kSize);
1057 HInstruction* js_function = Add<HAllocate>(size, HType::JSObject(), 1061 HInstruction* js_function = Add<HAllocate>(size, HType::JSObject(),
1058 NOT_TENURED, JS_FUNCTION_TYPE); 1062 NOT_TENURED, JS_FUNCTION_TYPE);
1059 AddIncrementCounter(counters->fast_new_closure_total(), context()); 1063 AddIncrementCounter(counters->fast_new_closure_total());
1060 1064
1061 int map_index = Context::FunctionMapIndex(casted_stub()->language_mode(), 1065 int map_index = Context::FunctionMapIndex(casted_stub()->language_mode(),
1062 casted_stub()->is_generator()); 1066 casted_stub()->is_generator());
1063 1067
1064 // Compute the function map in the current native context and set that 1068 // Compute the function map in the current native context and set that
1065 // as the map of the allocated object. 1069 // as the map of the allocated object.
1066 HInstruction* native_context = BuildGetNativeContext(); 1070 HInstruction* native_context = BuildGetNativeContext();
1067 HInstruction* map_slot_value = Add<HLoadNamedField>(native_context, 1071 HInstruction* map_slot_value = Add<HLoadNamedField>(native_context,
1068 HObjectAccess::ForContextSlot(map_index)); 1072 HObjectAccess::ForContextSlot(map_index));
1069 Add<HStoreNamedField>(js_function, HObjectAccess::ForMap(), map_slot_value); 1073 Add<HStoreNamedField>(js_function, HObjectAccess::ForMap(), map_slot_value);
(...skipping 27 matching lines...) Expand all
1097 return js_function; 1101 return js_function;
1098 } 1102 }
1099 1103
1100 1104
1101 Handle<Code> FastNewClosureStub::GenerateCode(Isolate* isolate) { 1105 Handle<Code> FastNewClosureStub::GenerateCode(Isolate* isolate) {
1102 return DoGenerateCode(isolate, this); 1106 return DoGenerateCode(isolate, this);
1103 } 1107 }
1104 1108
1105 1109
1106 } } // namespace v8::internal 1110 } } // namespace v8::internal
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