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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_X87_CODE_STUBS_X87_H_ | 5 #ifndef V8_X87_CODE_STUBS_X87_H_ |
| 6 #define V8_X87_CODE_STUBS_X87_H_ | 6 #define V8_X87_CODE_STUBS_X87_H_ |
| 7 | 7 |
| 8 namespace v8 { | 8 namespace v8 { |
| 9 namespace internal { | 9 namespace internal { |
| 10 | 10 |
| 11 | 11 |
| 12 void ArrayNativeCode(MacroAssembler* masm, | 12 void ArrayNativeCode(MacroAssembler* masm, |
| 13 bool construct_call, | 13 bool construct_call, |
| 14 Label* call_generic_code); | 14 Label* call_generic_code); |
| 15 | 15 |
| 16 | 16 |
| 17 class StringHelper : public AllStatic { | 17 class StringHelper : public AllStatic { |
| 18 public: | 18 public: |
| 19 // Generate code for copying characters using the rep movs instruction. | 19 // Generate code for copying characters using the rep movs instruction. |
| 20 // Copies ecx characters from esi to edi. Copying of overlapping regions is | 20 // Copies ecx characters from esi to edi. Copying of overlapping regions is |
| 21 // not supported. | 21 // not supported. |
| 22 static void GenerateCopyCharacters(MacroAssembler* masm, | 22 static void GenerateCopyCharacters(MacroAssembler* masm, |
| 23 Register dest, | 23 Register dest, |
| 24 Register src, | 24 Register src, |
| 25 Register count, | 25 Register count, |
| 26 Register scratch, | 26 Register scratch, |
| 27 String::Encoding encoding); | 27 String::Encoding encoding); |
| 28 | 28 |
| 29 // Compares two flat ASCII strings and returns result in eax. | 29 // Compares two flat one byte strings and returns result in eax. |
| 30 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, | 30 static void GenerateCompareFlatOneByteStrings(MacroAssembler* masm, |
| 31 Register left, Register right, |
| 32 Register scratch1, |
| 33 Register scratch2, |
| 34 Register scratch3); |
| 35 |
| 36 // Compares two flat one byte strings for equality and returns result in eax. |
| 37 static void GenerateFlatOneByteStringEquals(MacroAssembler* masm, |
| 31 Register left, Register right, | 38 Register left, Register right, |
| 32 Register scratch1, | 39 Register scratch1, |
| 33 Register scratch2, | 40 Register scratch2); |
| 34 Register scratch3); | |
| 35 | |
| 36 // Compares two flat ASCII strings for equality and returns result in eax. | |
| 37 static void GenerateFlatAsciiStringEquals(MacroAssembler* masm, | |
| 38 Register left, | |
| 39 Register right, | |
| 40 Register scratch1, | |
| 41 Register scratch2); | |
| 42 | 41 |
| 43 private: | 42 private: |
| 44 static void GenerateAsciiCharsCompareLoop( | 43 static void GenerateOneByteCharsCompareLoop( |
| 45 MacroAssembler* masm, | 44 MacroAssembler* masm, Register left, Register right, Register length, |
| 46 Register left, | 45 Register scratch, Label* chars_not_equal, |
| 47 Register right, | |
| 48 Register length, | |
| 49 Register scratch, | |
| 50 Label* chars_not_equal, | |
| 51 Label::Distance chars_not_equal_near = Label::kFar); | 46 Label::Distance chars_not_equal_near = Label::kFar); |
| 52 | 47 |
| 53 DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper); | 48 DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper); |
| 54 }; | 49 }; |
| 55 | 50 |
| 56 | 51 |
| 57 class NameDictionaryLookupStub: public PlatformCodeStub { | 52 class NameDictionaryLookupStub: public PlatformCodeStub { |
| 58 public: | 53 public: |
| 59 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; | 54 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; |
| 60 | 55 |
| (...skipping 296 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 357 | 352 |
| 358 RegisterAllocation regs_; | 353 RegisterAllocation regs_; |
| 359 | 354 |
| 360 DISALLOW_COPY_AND_ASSIGN(RecordWriteStub); | 355 DISALLOW_COPY_AND_ASSIGN(RecordWriteStub); |
| 361 }; | 356 }; |
| 362 | 357 |
| 363 | 358 |
| 364 } } // namespace v8::internal | 359 } } // namespace v8::internal |
| 365 | 360 |
| 366 #endif // V8_X87_CODE_STUBS_X87_H_ | 361 #endif // V8_X87_CODE_STUBS_X87_H_ |
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