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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_ARM_CODE_STUBS_ARM_H_ | 5 #ifndef V8_ARM_CODE_STUBS_ARM_H_ |
6 #define V8_ARM_CODE_STUBS_ARM_H_ | 6 #define V8_ARM_CODE_STUBS_ARM_H_ |
7 | 7 |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
11 namespace internal { | 11 namespace internal { |
12 | 12 |
13 | 13 |
14 void ArrayNativeCode(MacroAssembler* masm, Label* call_generic_code); | 14 void ArrayNativeCode(MacroAssembler* masm, 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 a large number of characters. This function | 19 // Generate code for copying a large number of characters. This function |
20 // is allowed to spend extra time setting up conditions to make copying | 20 // is allowed to spend extra time setting up conditions to make copying |
21 // faster. Copying of overlapping regions is not supported. | 21 // faster. Copying of overlapping regions is not supported. |
22 // Dest register ends at the position after the last character written. | 22 // Dest register ends at the position after the last character written. |
23 static void GenerateCopyCharacters(MacroAssembler* masm, | 23 static void GenerateCopyCharacters(MacroAssembler* masm, |
24 Register dest, | 24 Register dest, |
25 Register src, | 25 Register src, |
26 Register count, | 26 Register count, |
27 Register scratch, | 27 Register scratch, |
28 String::Encoding encoding); | 28 String::Encoding encoding); |
29 | 29 |
30 | |
31 // Generate string hash. | |
32 static void GenerateHashInit(MacroAssembler* masm, | |
33 Register hash, | |
34 Register character); | |
35 | |
36 static void GenerateHashAddCharacter(MacroAssembler* masm, | |
37 Register hash, | |
38 Register character); | |
39 | |
40 static void GenerateHashGetHash(MacroAssembler* masm, | |
41 Register hash); | |
42 | |
43 // Compares two flat ASCII strings and returns result in r0. | 30 // Compares two flat ASCII strings and returns result in r0. |
44 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, | 31 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, |
45 Register left, | 32 Register left, |
46 Register right, | 33 Register right, |
47 Register scratch1, | 34 Register scratch1, |
48 Register scratch2, | 35 Register scratch2, |
49 Register scratch3, | 36 Register scratch3, |
50 Register scratch4); | 37 Register scratch4); |
51 | 38 |
52 // Compares two flat ASCII strings for equality and returns result in r0. | 39 // Compares two flat ASCII strings for equality and returns result in r0. |
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370 LookupMode mode() const { return LookupModeBits::decode(minor_key_); } | 357 LookupMode mode() const { return LookupModeBits::decode(minor_key_); } |
371 | 358 |
372 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; | 359 class LookupModeBits: public BitField<LookupMode, 0, 1> {}; |
373 | 360 |
374 DISALLOW_COPY_AND_ASSIGN(NameDictionaryLookupStub); | 361 DISALLOW_COPY_AND_ASSIGN(NameDictionaryLookupStub); |
375 }; | 362 }; |
376 | 363 |
377 } } // namespace v8::internal | 364 } } // namespace v8::internal |
378 | 365 |
379 #endif // V8_ARM_CODE_STUBS_ARM_H_ | 366 #endif // V8_ARM_CODE_STUBS_ARM_H_ |
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