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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 #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, | 14 void ArrayNativeCode(MacroAssembler* masm, |
15 bool construct_call, | 15 bool construct_call, |
16 Label* call_generic_code); | 16 Label* call_generic_code); |
17 | 17 |
18 | 18 |
19 class StoreBufferOverflowStub : public PlatformCodeStub { | |
20 public: | |
21 explicit StoreBufferOverflowStub(Isolate* isolate) | |
22 : PlatformCodeStub(isolate) { } | |
23 | |
24 void Generate(MacroAssembler* masm); | |
25 | |
26 static void GenerateFixedRegStubsAheadOfTime(Isolate* isolate); | |
27 virtual bool SometimesSetsUpAFrame() { return false; } | |
28 | |
29 private: | |
30 Major MajorKey() const { return StoreBufferOverflow; } | |
31 uint32_t MinorKey() const { return 0; } | |
32 }; | |
33 | |
34 | |
35 class StringHelper : public AllStatic { | 19 class StringHelper : public AllStatic { |
36 public: | 20 public: |
37 // Generate code for copying characters using the rep movs instruction. | 21 // Generate code for copying characters using the rep movs instruction. |
38 // Copies ecx characters from esi to edi. Copying of overlapping regions is | 22 // Copies ecx characters from esi to edi. Copying of overlapping regions is |
39 // not supported. | 23 // not supported. |
40 static void GenerateCopyCharacters(MacroAssembler* masm, | 24 static void GenerateCopyCharacters(MacroAssembler* masm, |
41 Register dest, | 25 Register dest, |
42 Register src, | 26 Register src, |
43 Register count, | 27 Register count, |
44 Register scratch, | 28 Register scratch, |
45 String::Encoding encoding); | 29 String::Encoding encoding); |
46 | 30 |
47 // Generate string hash. | 31 // Generate string hash. |
48 static void GenerateHashInit(MacroAssembler* masm, | 32 static void GenerateHashInit(MacroAssembler* masm, |
49 Register hash, | 33 Register hash, |
50 Register character, | 34 Register character, |
51 Register scratch); | 35 Register scratch); |
| 36 |
52 static void GenerateHashAddCharacter(MacroAssembler* masm, | 37 static void GenerateHashAddCharacter(MacroAssembler* masm, |
53 Register hash, | 38 Register hash, |
54 Register character, | 39 Register character, |
55 Register scratch); | 40 Register scratch); |
| 41 |
56 static void GenerateHashGetHash(MacroAssembler* masm, | 42 static void GenerateHashGetHash(MacroAssembler* masm, |
57 Register hash, | 43 Register hash, |
58 Register scratch); | 44 Register scratch); |
59 | 45 |
60 private: | |
61 DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper); | |
62 }; | |
63 | |
64 | |
65 class SubStringStub: public PlatformCodeStub { | |
66 public: | |
67 explicit SubStringStub(Isolate* isolate) : PlatformCodeStub(isolate) {} | |
68 | |
69 private: | |
70 Major MajorKey() const { return SubString; } | |
71 uint32_t MinorKey() const { return 0; } | |
72 | |
73 void Generate(MacroAssembler* masm); | |
74 }; | |
75 | |
76 | |
77 class StringCompareStub: public PlatformCodeStub { | |
78 public: | |
79 explicit StringCompareStub(Isolate* isolate) : PlatformCodeStub(isolate) { } | |
80 | |
81 // Compares two flat ASCII strings and returns result in eax. | 46 // Compares two flat ASCII strings and returns result in eax. |
82 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, | 47 static void GenerateCompareFlatAsciiStrings(MacroAssembler* masm, |
83 Register left, | 48 Register left, Register right, |
84 Register right, | |
85 Register scratch1, | 49 Register scratch1, |
86 Register scratch2, | 50 Register scratch2, |
87 Register scratch3); | 51 Register scratch3); |
88 | 52 |
89 // Compares two flat ASCII strings for equality and returns result | 53 // Compares two flat ASCII strings for equality and returns result in eax. |
90 // in eax. | |
91 static void GenerateFlatAsciiStringEquals(MacroAssembler* masm, | 54 static void GenerateFlatAsciiStringEquals(MacroAssembler* masm, |
92 Register left, | 55 Register left, |
93 Register right, | 56 Register right, |
94 Register scratch1, | 57 Register scratch1, |
95 Register scratch2); | 58 Register scratch2); |
96 | 59 |
97 private: | 60 private: |
98 virtual Major MajorKey() const { return StringCompare; } | |
99 virtual uint32_t MinorKey() const { return 0; } | |
100 virtual void Generate(MacroAssembler* masm); | |
101 | |
102 static void GenerateAsciiCharsCompareLoop( | 61 static void GenerateAsciiCharsCompareLoop( |
103 MacroAssembler* masm, | 62 MacroAssembler* masm, |
104 Register left, | 63 Register left, |
105 Register right, | 64 Register right, |
106 Register length, | 65 Register length, |
107 Register scratch, | 66 Register scratch, |
108 Label* chars_not_equal, | 67 Label* chars_not_equal, |
109 Label::Distance chars_not_equal_near = Label::kFar); | 68 Label::Distance chars_not_equal_near = Label::kFar); |
| 69 |
| 70 DISALLOW_IMPLICIT_CONSTRUCTORS(StringHelper); |
110 }; | 71 }; |
111 | 72 |
112 | 73 |
113 class NameDictionaryLookupStub: public PlatformCodeStub { | 74 class NameDictionaryLookupStub: public PlatformCodeStub { |
114 public: | 75 public: |
115 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; | 76 enum LookupMode { POSITIVE_LOOKUP, NEGATIVE_LOOKUP }; |
116 | 77 |
117 NameDictionaryLookupStub(Isolate* isolate, | 78 NameDictionaryLookupStub(Isolate* isolate, |
118 Register dictionary, | 79 Register dictionary, |
119 Register result, | 80 Register result, |
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403 Register value_; | 364 Register value_; |
404 Register address_; | 365 Register address_; |
405 RememberedSetAction remembered_set_action_; | 366 RememberedSetAction remembered_set_action_; |
406 RegisterAllocation regs_; | 367 RegisterAllocation regs_; |
407 }; | 368 }; |
408 | 369 |
409 | 370 |
410 } } // namespace v8::internal | 371 } } // namespace v8::internal |
411 | 372 |
412 #endif // V8_X87_CODE_STUBS_X87_H_ | 373 #endif // V8_X87_CODE_STUBS_X87_H_ |
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