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Issue 143633007: A64: Synchronize with r18764. (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
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414 // The generation of debug code must match between the snapshot code and the 414 // The generation of debug code must match between the snapshot code and the
415 // code that is generated later. This is assumed by the debugger when it is 415 // code that is generated later. This is assumed by the debugger when it is
416 // calculating PC offsets after generating a debug version of code. Therefore 416 // calculating PC offsets after generating a debug version of code. Therefore
417 // we disable the production of debug code in the full compiler if we are 417 // we disable the production of debug code in the full compiler if we are
418 // either generating a snapshot or we booted from a snapshot. 418 // either generating a snapshot or we booted from a snapshot.
419 generate_debug_code_ = FLAG_debug_code && 419 generate_debug_code_ = FLAG_debug_code &&
420 !Serializer::enabled() && 420 !Serializer::enabled() &&
421 !Snapshot::HaveASnapshotToStartFrom(); 421 !Snapshot::HaveASnapshotToStartFrom();
422 masm_->set_emit_debug_code(generate_debug_code_); 422 masm_->set_emit_debug_code(generate_debug_code_);
423 masm_->set_predictable_code_size(true); 423 masm_->set_predictable_code_size(true);
424 InitializeAstVisitor(info_->isolate()); 424 InitializeAstVisitor(info_->zone());
425 } 425 }
426 426
427 427
428 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) { 428 void FullCodeGenerator::PopulateTypeFeedbackCells(Handle<Code> code) {
429 if (type_feedback_cells_.is_empty()) return; 429 if (type_feedback_cells_.is_empty()) return;
430 int length = type_feedback_cells_.length(); 430 int length = type_feedback_cells_.length();
431 int array_size = TypeFeedbackCells::LengthOfFixedArray(length); 431 int array_size = TypeFeedbackCells::LengthOfFixedArray(length);
432 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast( 432 Handle<TypeFeedbackCells> cache = Handle<TypeFeedbackCells>::cast(
433 isolate()->factory()->NewFixedArray(array_size, TENURED)); 433 isolate()->factory()->NewFixedArray(array_size, TENURED));
434 for (int i = 0; i < length; i++) { 434 for (int i = 0; i < length; i++) {
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445 } 445 }
446 446
447 447
448 void FullCodeGenerator::CallLoadIC(ContextualMode mode, TypeFeedbackId id) { 448 void FullCodeGenerator::CallLoadIC(ContextualMode mode, TypeFeedbackId id) {
449 Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode); 449 Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode);
450 CallIC(ic, mode, id); 450 CallIC(ic, mode, id);
451 } 451 }
452 452
453 453
454 void FullCodeGenerator::CallStoreIC(ContextualMode mode, TypeFeedbackId id) { 454 void FullCodeGenerator::CallStoreIC(ContextualMode mode, TypeFeedbackId id) {
455 Handle<Code> ic = StoreIC::initialize_stub(isolate(), strict_mode(), mode); 455 Handle<Code> ic = StoreIC::initialize_stub(isolate(), strict_mode());
456 CallIC(ic, mode, id); 456 CallIC(ic, mode, id);
457 } 457 }
458 458
459 459
460 void FullCodeGenerator::RecordJSReturnSite(Call* call) { 460 void FullCodeGenerator::RecordJSReturnSite(Call* call) {
461 // We record the offset of the function return so we can rebuild the frame 461 // We record the offset of the function return so we can rebuild the frame
462 // if the function was inlined, i.e., this is the return address in the 462 // if the function was inlined, i.e., this is the return address in the
463 // inlined function's frame. 463 // inlined function's frame.
464 // 464 //
465 // The state is ignored. We defensively set it to TOS_REG, which is the 465 // The state is ignored. We defensively set it to TOS_REG, which is the
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840 } 840 }
841 841
842 842
843 void FullCodeGenerator::SetStatementPosition(Statement* stmt) { 843 void FullCodeGenerator::SetStatementPosition(Statement* stmt) {
844 #ifdef ENABLE_DEBUGGER_SUPPORT 844 #ifdef ENABLE_DEBUGGER_SUPPORT
845 if (!isolate()->debugger()->IsDebuggerActive()) { 845 if (!isolate()->debugger()->IsDebuggerActive()) {
846 CodeGenerator::RecordPositions(masm_, stmt->position()); 846 CodeGenerator::RecordPositions(masm_, stmt->position());
847 } else { 847 } else {
848 // Check if the statement will be breakable without adding a debug break 848 // Check if the statement will be breakable without adding a debug break
849 // slot. 849 // slot.
850 BreakableStatementChecker checker(isolate()); 850 BreakableStatementChecker checker(zone());
851 checker.Check(stmt); 851 checker.Check(stmt);
852 // Record the statement position right here if the statement is not 852 // Record the statement position right here if the statement is not
853 // breakable. For breakable statements the actual recording of the 853 // breakable. For breakable statements the actual recording of the
854 // position will be postponed to the breakable code (typically an IC). 854 // position will be postponed to the breakable code (typically an IC).
855 bool position_recorded = CodeGenerator::RecordPositions( 855 bool position_recorded = CodeGenerator::RecordPositions(
856 masm_, stmt->position(), !checker.is_breakable()); 856 masm_, stmt->position(), !checker.is_breakable());
857 // If the position recording did record a new position generate a debug 857 // If the position recording did record a new position generate a debug
858 // break slot to make the statement breakable. 858 // break slot to make the statement breakable.
859 if (position_recorded) { 859 if (position_recorded) {
860 Debug::GenerateSlot(masm_); 860 Debug::GenerateSlot(masm_);
861 } 861 }
862 } 862 }
863 #else 863 #else
864 CodeGenerator::RecordPositions(masm_, stmt->position()); 864 CodeGenerator::RecordPositions(masm_, stmt->position());
865 #endif 865 #endif
866 } 866 }
867 867
868 868
869 void FullCodeGenerator::SetExpressionPosition(Expression* expr) { 869 void FullCodeGenerator::SetExpressionPosition(Expression* expr) {
870 #ifdef ENABLE_DEBUGGER_SUPPORT 870 #ifdef ENABLE_DEBUGGER_SUPPORT
871 if (!isolate()->debugger()->IsDebuggerActive()) { 871 if (!isolate()->debugger()->IsDebuggerActive()) {
872 CodeGenerator::RecordPositions(masm_, expr->position()); 872 CodeGenerator::RecordPositions(masm_, expr->position());
873 } else { 873 } else {
874 // Check if the expression will be breakable without adding a debug break 874 // Check if the expression will be breakable without adding a debug break
875 // slot. 875 // slot.
876 BreakableStatementChecker checker(isolate()); 876 BreakableStatementChecker checker(zone());
877 checker.Check(expr); 877 checker.Check(expr);
878 // Record a statement position right here if the expression is not 878 // Record a statement position right here if the expression is not
879 // breakable. For breakable expressions the actual recording of the 879 // breakable. For breakable expressions the actual recording of the
880 // position will be postponed to the breakable code (typically an IC). 880 // position will be postponed to the breakable code (typically an IC).
881 // NOTE this will record a statement position for something which might 881 // NOTE this will record a statement position for something which might
882 // not be a statement. As stepping in the debugger will only stop at 882 // not be a statement. As stepping in the debugger will only stop at
883 // statement positions this is used for e.g. the condition expression of 883 // statement positions this is used for e.g. the condition expression of
884 // a do while loop. 884 // a do while loop.
885 bool position_recorded = CodeGenerator::RecordPositions( 885 bool position_recorded = CodeGenerator::RecordPositions(
886 masm_, expr->position(), !checker.is_breakable()); 886 masm_, expr->position(), !checker.is_breakable());
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1746 } 1746 }
1747 return true; 1747 return true;
1748 } 1748 }
1749 #endif // DEBUG 1749 #endif // DEBUG
1750 1750
1751 1751
1752 #undef __ 1752 #undef __
1753 1753
1754 1754
1755 } } // namespace v8::internal 1755 } } // namespace v8::internal
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