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Issue 1236793010: Version 4.4.63.20 (cherry-pick) (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@4.4
Patch Set: Created 5 years, 5 months ago
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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. 1 // Copyright (c) 1994-2006 Sun Microsystems Inc.
2 // All Rights Reserved. 2 // All Rights Reserved.
3 // 3 //
4 // Redistribution and use in source and binary forms, with or without 4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are 5 // modification, are permitted provided that the following conditions are
6 // met: 6 // met:
7 // 7 //
8 // - Redistributions of source code must retain the above copyright notice, 8 // - Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer. 9 // this list of conditions and the following disclaimer.
10 // 10 //
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773 // fixup_pos. 773 // fixup_pos.
774 Instr instr = instr_at(fixup_pos); 774 Instr instr = instr_at(fixup_pos);
775 if (is_internal) { 775 if (is_internal) {
776 target_at_put(fixup_pos, pos, is_internal); 776 target_at_put(fixup_pos, pos, is_internal);
777 } else if (IsBranch(instr)) { 777 } else if (IsBranch(instr)) {
778 if (dist > kMaxBranchOffset) { 778 if (dist > kMaxBranchOffset) {
779 if (trampoline_pos == kInvalidSlotPos) { 779 if (trampoline_pos == kInvalidSlotPos) {
780 trampoline_pos = get_trampoline_entry(fixup_pos); 780 trampoline_pos = get_trampoline_entry(fixup_pos);
781 CHECK(trampoline_pos != kInvalidSlotPos); 781 CHECK(trampoline_pos != kInvalidSlotPos);
782 } 782 }
783 DCHECK((trampoline_pos - fixup_pos) <= kMaxBranchOffset); 783 CHECK((trampoline_pos - fixup_pos) <= kMaxBranchOffset);
784 target_at_put(fixup_pos, trampoline_pos, false); 784 target_at_put(fixup_pos, trampoline_pos, false);
785 fixup_pos = trampoline_pos; 785 fixup_pos = trampoline_pos;
786 dist = pos - fixup_pos; 786 dist = pos - fixup_pos;
787 } 787 }
788 target_at_put(fixup_pos, pos, false); 788 target_at_put(fixup_pos, pos, false);
789 } else { 789 } else {
790 DCHECK(IsJ(instr) || IsLui(instr) || IsEmittedConstant(instr)); 790 DCHECK(IsJ(instr) || IsLui(instr) || IsEmittedConstant(instr));
791 target_at_put(fixup_pos, pos, false); 791 target_at_put(fixup_pos, pos, false);
792 } 792 }
793 } 793 }
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2803 ClearRecordedAstId(); 2803 ClearRecordedAstId();
2804 reloc_info_writer.Write(&reloc_info_with_ast_id); 2804 reloc_info_writer.Write(&reloc_info_with_ast_id);
2805 } else { 2805 } else {
2806 reloc_info_writer.Write(&rinfo); 2806 reloc_info_writer.Write(&rinfo);
2807 } 2807 }
2808 } 2808 }
2809 } 2809 }
2810 2810
2811 2811
2812 void Assembler::BlockTrampolinePoolFor(int instructions) { 2812 void Assembler::BlockTrampolinePoolFor(int instructions) {
2813 CheckTrampolinePoolQuick(instructions);
2813 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize); 2814 BlockTrampolinePoolBefore(pc_offset() + instructions * kInstrSize);
2814 } 2815 }
2815 2816
2816 2817
2817 void Assembler::CheckTrampolinePool() { 2818 void Assembler::CheckTrampolinePool() {
2818 // Some small sequences of instructions must not be broken up by the 2819 // Some small sequences of instructions must not be broken up by the
2819 // insertion of a trampoline pool; such sequences are protected by setting 2820 // insertion of a trampoline pool; such sequences are protected by setting
2820 // either trampoline_pool_blocked_nesting_ or no_trampoline_pool_before_, 2821 // either trampoline_pool_blocked_nesting_ or no_trampoline_pool_before_,
2821 // which are both checked here. Also, recursive calls to CheckTrampolinePool 2822 // which are both checked here. Also, recursive calls to CheckTrampolinePool
2822 // are blocked by trampoline_pool_blocked_nesting_. 2823 // are blocked by trampoline_pool_blocked_nesting_.
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2972 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { 2973 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) {
2973 // No out-of-line constant pool support. 2974 // No out-of-line constant pool support.
2974 DCHECK(!FLAG_enable_ool_constant_pool); 2975 DCHECK(!FLAG_enable_ool_constant_pool);
2975 return; 2976 return;
2976 } 2977 }
2977 2978
2978 2979
2979 } } // namespace v8::internal 2980 } } // namespace v8::internal
2980 2981
2981 #endif // V8_TARGET_ARCH_MIPS64 2982 #endif // V8_TARGET_ARCH_MIPS64
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