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Issue 23618056: Move NumberToStringStub::GenerateLookupNumberStringCache to the MacroAssembler. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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205 Register scratch, 205 Register scratch,
206 Label* chars_not_equal, 206 Label* chars_not_equal,
207 Label::Distance near_jump = Label::kFar); 207 Label::Distance near_jump = Label::kFar);
208 }; 208 };
209 209
210 210
211 class NumberToStringStub: public PlatformCodeStub { 211 class NumberToStringStub: public PlatformCodeStub {
212 public: 212 public:
213 NumberToStringStub() { } 213 NumberToStringStub() { }
214 214
215 // Generate code to do a lookup in the number string cache. If the number in
216 // the register object is found in the cache the generated code falls through
217 // with the result in the result register. The object and the result register
218 // can be the same. If the number is not found in the cache the code jumps to
219 // the label not_found with only the content of register object unchanged.
220 static void GenerateLookupNumberStringCache(MacroAssembler* masm,
221 Register object,
222 Register result,
223 Register scratch1,
224 Register scratch2,
225 Label* not_found);
226
227 private: 215 private:
228 static void GenerateConvertHashCodeToIndex(MacroAssembler* masm,
229 Register hash,
230 Register mask);
231
232 Major MajorKey() { return NumberToString; } 216 Major MajorKey() { return NumberToString; }
233 int MinorKey() { return 0; } 217 int MinorKey() { return 0; }
234 218
235 void Generate(MacroAssembler* masm); 219 void Generate(MacroAssembler* masm);
236 }; 220 };
237 221
238 222
239 class NameDictionaryLookupStub: public PlatformCodeStub { 223 class NameDictionaryLookupStub: public PlatformCodeStub {
240 public: 224 public:
241 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; 225 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP };
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534 RememberedSetAction remembered_set_action_; 518 RememberedSetAction remembered_set_action_;
535 SaveFPRegsMode save_fp_regs_mode_; 519 SaveFPRegsMode save_fp_regs_mode_;
536 Label slow_; 520 Label slow_;
537 RegisterAllocation regs_; 521 RegisterAllocation regs_;
538 }; 522 };
539 523
540 524
541 } } // namespace v8::internal 525 } } // namespace v8::internal
542 526
543 #endif // V8_X64_CODE_STUBS_X64_H_ 527 #endif // V8_X64_CODE_STUBS_X64_H_
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