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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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1783 | 1783 |
1784 private: | 1784 private: |
1785 Assembler* assem_; | 1785 Assembler* assem_; |
1786 | 1786 |
1787 DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope); | 1787 DISALLOW_IMPLICIT_CONSTRUCTORS(BlockConstPoolScope); |
1788 }; | 1788 }; |
1789 | 1789 |
1790 // Check if is time to emit a constant pool. | 1790 // Check if is time to emit a constant pool. |
1791 void CheckConstPool(bool force_emit, bool require_jump); | 1791 void CheckConstPool(bool force_emit, bool require_jump); |
1792 | 1792 |
1793 // Allocate a constant pool of the correct size for the generated code. | |
1794 MaybeObject* AllocateConstantPool(Heap* heap); | |
1795 | |
1796 // Generate the constant pool for the generated code. | |
1797 void PopulateConstantPool(ConstantPoolArray* constant_pool); | |
1798 | 1793 |
1799 // Returns true if we should emit a veneer as soon as possible for a branch | 1794 // Returns true if we should emit a veneer as soon as possible for a branch |
1800 // which can at most reach to specified pc. | 1795 // which can at most reach to specified pc. |
1801 bool ShouldEmitVeneer(int max_reachable_pc, | 1796 bool ShouldEmitVeneer(int max_reachable_pc, |
1802 int margin = kVeneerDistanceMargin); | 1797 int margin = kVeneerDistanceMargin); |
1803 bool ShouldEmitVeneers(int margin = kVeneerDistanceMargin) { | 1798 bool ShouldEmitVeneers(int margin = kVeneerDistanceMargin) { |
1804 return ShouldEmitVeneer(unresolved_branches_first_limit(), margin); | 1799 return ShouldEmitVeneer(unresolved_branches_first_limit(), margin); |
1805 } | 1800 } |
1806 | 1801 |
1807 // The maximum code size generated for a veneer. Currently one branch | 1802 // The maximum code size generated for a veneer. Currently one branch |
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2210 class EnsureSpace BASE_EMBEDDED { | 2205 class EnsureSpace BASE_EMBEDDED { |
2211 public: | 2206 public: |
2212 explicit EnsureSpace(Assembler* assembler) { | 2207 explicit EnsureSpace(Assembler* assembler) { |
2213 assembler->CheckBuffer(); | 2208 assembler->CheckBuffer(); |
2214 } | 2209 } |
2215 }; | 2210 }; |
2216 | 2211 |
2217 } } // namespace v8::internal | 2212 } } // namespace v8::internal |
2218 | 2213 |
2219 #endif // V8_A64_ASSEMBLER_A64_H_ | 2214 #endif // V8_A64_ASSEMBLER_A64_H_ |
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