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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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357 private: | 357 private: |
358 Major MajorKey() { return SubString; } | 358 Major MajorKey() { return SubString; } |
359 int MinorKey() { return 0; } | 359 int MinorKey() { return 0; } |
360 | 360 |
361 void Generate(MacroAssembler* masm); | 361 void Generate(MacroAssembler* masm); |
362 }; | 362 }; |
363 | 363 |
364 | 364 |
365 class StringCompareStub: public CodeStub { | 365 class StringCompareStub: public CodeStub { |
366 public: | 366 public: |
367 explicit StringCompareStub() {} | 367 StringCompareStub() {} |
368 | 368 |
369 // Compare two flat ascii strings and returns result in rax after popping two | 369 // Compares two flat ASCII strings and returns result in rax. |
370 // arguments from the stack. | |
371 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, | 370 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, |
372 Register left, | 371 Register left, |
373 Register right, | 372 Register right, |
374 Register scratch1, | 373 Register scratch1, |
375 Register scratch2, | 374 Register scratch2, |
376 Register scratch3, | 375 Register scratch3, |
377 Register scratch4); | 376 Register scratch4); |
378 | 377 |
| 378 // Compares two flat ASCII strings for equality and returns result |
| 379 // in rax. |
| 380 static void GenerateFlatAsciiStringEquals(MacroAssembler* masm, |
| 381 Register left, |
| 382 Register right, |
| 383 Register scratch1, |
| 384 Register scratch2); |
| 385 |
379 private: | 386 private: |
380 Major MajorKey() { return StringCompare; } | 387 Major MajorKey() { return StringCompare; } |
381 int MinorKey() { return 0; } | 388 int MinorKey() { return 0; } |
382 | 389 |
383 void Generate(MacroAssembler* masm); | 390 void Generate(MacroAssembler* masm); |
384 }; | 391 }; |
385 | 392 |
386 | 393 |
387 class NumberToStringStub: public CodeStub { | 394 class NumberToStringStub: public CodeStub { |
388 public: | 395 public: |
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417 void Print() { | 424 void Print() { |
418 PrintF("NumberToStringStub\n"); | 425 PrintF("NumberToStringStub\n"); |
419 } | 426 } |
420 #endif | 427 #endif |
421 }; | 428 }; |
422 | 429 |
423 | 430 |
424 } } // namespace v8::internal | 431 } } // namespace v8::internal |
425 | 432 |
426 #endif // V8_X64_CODE_STUBS_X64_H_ | 433 #endif // V8_X64_CODE_STUBS_X64_H_ |
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