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Side by Side Diff: src/code-stub-assembler.h

Issue 1893383002: Complete separation of CodeAssembler and CodeStubAssembler (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Review feedback Created 4 years, 8 months ago
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1 // Copyright 2016 the V8 project authors. All rights reserved. 1 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_ 5 #ifndef V8_CODE_STUB_ASSEMBLER_H_
6 #define V8_CODE_STUB_ASSEMBLER_H_ 6 #define V8_CODE_STUB_ASSEMBLER_H_
7 7
8 #include "src/compiler/code-assembler.h" 8 #include "src/compiler/code-assembler.h"
9 #include "src/objects.h" 9 #include "src/objects.h"
10 10
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25 // TODO(rmcilroy): move result_size to the CallInterfaceDescriptor. 25 // TODO(rmcilroy): move result_size to the CallInterfaceDescriptor.
26 CodeStubAssembler(Isolate* isolate, Zone* zone, 26 CodeStubAssembler(Isolate* isolate, Zone* zone,
27 const CallInterfaceDescriptor& descriptor, 27 const CallInterfaceDescriptor& descriptor,
28 Code::Flags flags, const char* name, 28 Code::Flags flags, const char* name,
29 size_t result_size = 1); 29 size_t result_size = 1);
30 30
31 // Create with JSCall linkage. 31 // Create with JSCall linkage.
32 CodeStubAssembler(Isolate* isolate, Zone* zone, int parameter_count, 32 CodeStubAssembler(Isolate* isolate, Zone* zone, int parameter_count,
33 Code::Flags flags, const char* name); 33 Code::Flags flags, const char* name);
34 34
35 compiler::Node* BooleanMapConstant();
36 compiler::Node* EmptyStringConstant();
37 compiler::Node* HeapNumberMapConstant();
38 compiler::Node* NoContextConstant();
39 compiler::Node* NullConstant();
40 compiler::Node* UndefinedConstant();
41
35 // Float64 operations. 42 // Float64 operations.
36 compiler::Node* Float64Ceil(compiler::Node* x); 43 compiler::Node* Float64Ceil(compiler::Node* x);
37 compiler::Node* Float64Floor(compiler::Node* x); 44 compiler::Node* Float64Floor(compiler::Node* x);
38 compiler::Node* Float64Round(compiler::Node* x); 45 compiler::Node* Float64Round(compiler::Node* x);
39 compiler::Node* Float64Trunc(compiler::Node* x); 46 compiler::Node* Float64Trunc(compiler::Node* x);
40 47
48 // Tag a Word as a Smi value.
49 compiler::Node* SmiTag(compiler::Node* value);
50 // Untag a Smi value as a Word.
51 compiler::Node* SmiUntag(compiler::Node* value);
52
41 // Smi conversions. 53 // Smi conversions.
42 compiler::Node* SmiToFloat64(compiler::Node* value); 54 compiler::Node* SmiToFloat64(compiler::Node* value);
43 compiler::Node* SmiFromWord32(compiler::Node* value); 55 compiler::Node* SmiFromWord32(compiler::Node* value);
44 compiler::Node* SmiToWord(compiler::Node* value) { return SmiUntag(value); } 56 compiler::Node* SmiToWord(compiler::Node* value) { return SmiUntag(value); }
45 compiler::Node* SmiToWord32(compiler::Node* value); 57 compiler::Node* SmiToWord32(compiler::Node* value);
46 58
47 // Smi operations. 59 // Smi operations.
48 compiler::Node* SmiAdd(compiler::Node* a, compiler::Node* b); 60 compiler::Node* SmiAdd(compiler::Node* a, compiler::Node* b);
49 compiler::Node* SmiAddWithOverflow(compiler::Node* a, compiler::Node* b); 61 compiler::Node* SmiAddWithOverflow(compiler::Node* a, compiler::Node* b);
50 compiler::Node* SmiSub(compiler::Node* a, compiler::Node* b); 62 compiler::Node* SmiSub(compiler::Node* a, compiler::Node* b);
51 compiler::Node* SmiSubWithOverflow(compiler::Node* a, compiler::Node* b); 63 compiler::Node* SmiSubWithOverflow(compiler::Node* a, compiler::Node* b);
52 compiler::Node* SmiEqual(compiler::Node* a, compiler::Node* b); 64 compiler::Node* SmiEqual(compiler::Node* a, compiler::Node* b);
53 compiler::Node* SmiAboveOrEqual(compiler::Node* a, compiler::Node* b); 65 compiler::Node* SmiAboveOrEqual(compiler::Node* a, compiler::Node* b);
54 compiler::Node* SmiLessThan(compiler::Node* a, compiler::Node* b); 66 compiler::Node* SmiLessThan(compiler::Node* a, compiler::Node* b);
55 compiler::Node* SmiLessThanOrEqual(compiler::Node* a, compiler::Node* b); 67 compiler::Node* SmiLessThanOrEqual(compiler::Node* a, compiler::Node* b);
56 compiler::Node* SmiMin(compiler::Node* a, compiler::Node* b); 68 compiler::Node* SmiMin(compiler::Node* a, compiler::Node* b);
57 69
70 // Allocate an object of the given size.
71 compiler::Node* Allocate(int size, AllocationFlags flags = kNone);
72 compiler::Node* InnerAllocate(compiler::Node* previous, int offset);
73
58 // Check a value for smi-ness 74 // Check a value for smi-ness
59 compiler::Node* WordIsSmi(compiler::Node* a); 75 compiler::Node* WordIsSmi(compiler::Node* a);
60 // Check that the value is a positive smi. 76 // Check that the value is a positive smi.
61 compiler::Node* WordIsPositiveSmi(compiler::Node* a); 77 compiler::Node* WordIsPositiveSmi(compiler::Node* a);
62 78
63 void BranchIfSmiLessThan(compiler::Node* a, compiler::Node* b, Label* if_true, 79 void BranchIfSmiLessThan(compiler::Node* a, compiler::Node* b, Label* if_true,
64 Label* if_false) { 80 Label* if_false) {
65 BranchIf(SmiLessThan(a, b), if_true, if_false); 81 BranchIf(SmiLessThan(a, b), if_true, if_false);
66 } 82 }
67 83
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172 compiler::Node* StringFromCharCode(compiler::Node* code); 188 compiler::Node* StringFromCharCode(compiler::Node* code);
173 189
174 // Returns a node that is true if the given bit is set in |word32|. 190 // Returns a node that is true if the given bit is set in |word32|.
175 template <typename T> 191 template <typename T>
176 compiler::Node* BitFieldDecode(compiler::Node* word32) { 192 compiler::Node* BitFieldDecode(compiler::Node* word32) {
177 return BitFieldDecode(word32, T::kShift, T::kMask); 193 return BitFieldDecode(word32, T::kShift, T::kMask);
178 } 194 }
179 195
180 compiler::Node* BitFieldDecode(compiler::Node* word32, uint32_t shift, 196 compiler::Node* BitFieldDecode(compiler::Node* word32, uint32_t shift,
181 uint32_t mask); 197 uint32_t mask);
198
199 private:
200 compiler::Node* AllocateRawAligned(compiler::Node* size_in_bytes,
201 AllocationFlags flags,
202 compiler::Node* top_address,
203 compiler::Node* limit_address);
204 compiler::Node* AllocateRawUnaligned(compiler::Node* size_in_bytes,
205 AllocationFlags flags,
206 compiler::Node* top_adddress,
207 compiler::Node* limit_address);
182 }; 208 };
183 209
184 } // namespace internal 210 } // namespace internal
185 } // namespace v8 211 } // namespace v8
186 212
187 #endif // V8_CODE_STUB_ASSEMBLER_H_ 213 #endif // V8_CODE_STUB_ASSEMBLER_H_
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