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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_COMPILER_REGISTER_CONFIGURATION_H_ | 5 #ifndef V8_COMPILER_REGISTER_CONFIGURATION_H_ |
6 #define V8_COMPILER_REGISTER_CONFIGURATION_H_ | 6 #define V8_COMPILER_REGISTER_CONFIGURATION_H_ |
7 | 7 |
8 #include "src/base/macros.h" | 8 #include "src/base/macros.h" |
9 #include "src/globals.h" | 9 #include "src/globals.h" |
10 #include "src/machine-type.h" | 10 #include "src/machine-type.h" |
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29 | 29 |
30 // Default RegisterConfigurations for the target architecture. | 30 // Default RegisterConfigurations for the target architecture. |
31 // TODO(X87): This distinction in RegisterConfigurations is temporary | 31 // TODO(X87): This distinction in RegisterConfigurations is temporary |
32 // until x87 TF supports all of the registers that Crankshaft does. | 32 // until x87 TF supports all of the registers that Crankshaft does. |
33 static const RegisterConfiguration* Crankshaft(); | 33 static const RegisterConfiguration* Crankshaft(); |
34 static const RegisterConfiguration* Turbofan(); | 34 static const RegisterConfiguration* Turbofan(); |
35 | 35 |
36 RegisterConfiguration(int num_general_registers, int num_double_registers, | 36 RegisterConfiguration(int num_general_registers, int num_double_registers, |
37 int num_allocatable_general_registers, | 37 int num_allocatable_general_registers, |
38 int num_allocatable_double_registers, | 38 int num_allocatable_double_registers, |
39 int num_allocatable_aliased_double_registers, | |
40 const int* allocatable_general_codes, | 39 const int* allocatable_general_codes, |
41 const int* allocatable_double_codes, | 40 const int* allocatable_double_codes, |
42 AliasingKind fp_aliasing_kind, | 41 AliasingKind fp_aliasing_kind, |
43 char const* const* general_names, | 42 char const* const* general_names, |
44 char const* const* float_names, | 43 char const* const* float_names, |
45 char const* const* double_names, | 44 char const* const* double_names, |
46 char const* const* simd128_names); | 45 char const* const* simd128_names); |
47 | 46 |
48 int num_general_registers() const { return num_general_registers_; } | 47 int num_general_registers() const { return num_general_registers_; } |
49 int num_float_registers() const { return num_float_registers_; } | 48 int num_float_registers() const { return num_float_registers_; } |
50 int num_double_registers() const { return num_double_registers_; } | 49 int num_double_registers() const { return num_double_registers_; } |
51 int num_simd128_registers() const { return num_simd128_registers_; } | 50 int num_simd128_registers() const { return num_simd128_registers_; } |
52 int num_allocatable_general_registers() const { | 51 int num_allocatable_general_registers() const { |
53 return num_allocatable_general_registers_; | 52 return num_allocatable_general_registers_; |
54 } | 53 } |
55 int num_allocatable_float_registers() const { | 54 int num_allocatable_float_registers() const { |
56 return num_allocatable_float_registers_; | 55 return num_allocatable_float_registers_; |
57 } | 56 } |
58 int num_allocatable_double_registers() const { | 57 int num_allocatable_double_registers() const { |
59 return num_allocatable_double_registers_; | 58 return num_allocatable_double_registers_; |
60 } | 59 } |
61 // TODO(bbudge): This is a temporary work-around required because our | |
62 // register allocator does not yet support the aliasing of single/double | |
63 // registers on ARM. | |
64 int num_allocatable_aliased_double_registers() const { | |
65 return num_allocatable_aliased_double_registers_; | |
66 } | |
67 int num_allocatable_simd128_registers() const { | 60 int num_allocatable_simd128_registers() const { |
68 return num_allocatable_simd128_registers_; | 61 return num_allocatable_simd128_registers_; |
69 } | 62 } |
70 AliasingKind fp_aliasing_kind() const { return fp_aliasing_kind_; } | 63 AliasingKind fp_aliasing_kind() const { return fp_aliasing_kind_; } |
71 int32_t allocatable_general_codes_mask() const { | 64 int32_t allocatable_general_codes_mask() const { |
72 return allocatable_general_codes_mask_; | 65 return allocatable_general_codes_mask_; |
73 } | 66 } |
74 int32_t allocatable_double_codes_mask() const { | 67 int32_t allocatable_double_codes_mask() const { |
75 return allocatable_double_codes_mask_; | 68 return allocatable_double_codes_mask_; |
76 } | 69 } |
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136 MachineRepresentation other_rep, int other_index) const; | 129 MachineRepresentation other_rep, int other_index) const; |
137 | 130 |
138 private: | 131 private: |
139 const int num_general_registers_; | 132 const int num_general_registers_; |
140 int num_float_registers_; | 133 int num_float_registers_; |
141 const int num_double_registers_; | 134 const int num_double_registers_; |
142 int num_simd128_registers_; | 135 int num_simd128_registers_; |
143 int num_allocatable_general_registers_; | 136 int num_allocatable_general_registers_; |
144 int num_allocatable_float_registers_; | 137 int num_allocatable_float_registers_; |
145 int num_allocatable_double_registers_; | 138 int num_allocatable_double_registers_; |
146 int num_allocatable_aliased_double_registers_; | |
147 int num_allocatable_simd128_registers_; | 139 int num_allocatable_simd128_registers_; |
148 int32_t allocatable_general_codes_mask_; | 140 int32_t allocatable_general_codes_mask_; |
149 int32_t allocatable_float_codes_mask_; | 141 int32_t allocatable_float_codes_mask_; |
150 int32_t allocatable_double_codes_mask_; | 142 int32_t allocatable_double_codes_mask_; |
151 int32_t allocatable_simd128_codes_mask_; | 143 int32_t allocatable_simd128_codes_mask_; |
152 const int* allocatable_general_codes_; | 144 const int* allocatable_general_codes_; |
153 int allocatable_float_codes_[kMaxFPRegisters]; | 145 int allocatable_float_codes_[kMaxFPRegisters]; |
154 const int* allocatable_double_codes_; | 146 const int* allocatable_double_codes_; |
155 int allocatable_simd128_codes_[kMaxFPRegisters]; | 147 int allocatable_simd128_codes_[kMaxFPRegisters]; |
156 AliasingKind fp_aliasing_kind_; | 148 AliasingKind fp_aliasing_kind_; |
157 char const* const* general_register_names_; | 149 char const* const* general_register_names_; |
158 char const* const* float_register_names_; | 150 char const* const* float_register_names_; |
159 char const* const* double_register_names_; | 151 char const* const* double_register_names_; |
160 char const* const* simd128_register_names_; | 152 char const* const* simd128_register_names_; |
161 }; | 153 }; |
162 | 154 |
163 } // namespace internal | 155 } // namespace internal |
164 } // namespace v8 | 156 } // namespace v8 |
165 | 157 |
166 #endif // V8_COMPILER_REGISTER_CONFIGURATION_H_ | 158 #endif // V8_COMPILER_REGISTER_CONFIGURATION_H_ |
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