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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 #include "src/register-configuration.h" | 5 #include "src/register-configuration.h" |
6 #include "src/globals.h" | 6 #include "src/globals.h" |
7 #include "src/macro-assembler.h" | 7 #include "src/macro-assembler.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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26 #define REGISTER_CODE(R) DoubleRegister::kCode_##R, | 26 #define REGISTER_CODE(R) DoubleRegister::kCode_##R, |
27 ALLOCATABLE_DOUBLE_REGISTERS(REGISTER_CODE)}; | 27 ALLOCATABLE_DOUBLE_REGISTERS(REGISTER_CODE)}; |
28 #undef REGISTER_CODE | 28 #undef REGISTER_CODE |
29 | 29 |
30 static const char* const kGeneralRegisterNames[] = { | 30 static const char* const kGeneralRegisterNames[] = { |
31 #define REGISTER_NAME(R) #R, | 31 #define REGISTER_NAME(R) #R, |
32 GENERAL_REGISTERS(REGISTER_NAME) | 32 GENERAL_REGISTERS(REGISTER_NAME) |
33 #undef REGISTER_NAME | 33 #undef REGISTER_NAME |
34 }; | 34 }; |
35 | 35 |
| 36 static const char* const kFloatRegisterNames[] = { |
| 37 #define REGISTER_NAME(R) #R, |
| 38 FLOAT_REGISTERS(REGISTER_NAME) |
| 39 #undef REGISTER_NAME |
| 40 }; |
| 41 |
36 static const char* const kDoubleRegisterNames[] = { | 42 static const char* const kDoubleRegisterNames[] = { |
37 #define REGISTER_NAME(R) #R, | 43 #define REGISTER_NAME(R) #R, |
38 DOUBLE_REGISTERS(REGISTER_NAME) | 44 DOUBLE_REGISTERS(REGISTER_NAME) |
39 #undef REGISTER_NAME | 45 #undef REGISTER_NAME |
40 }; | 46 }; |
41 | 47 |
42 STATIC_ASSERT(RegisterConfiguration::kMaxGeneralRegisters >= | 48 STATIC_ASSERT(RegisterConfiguration::kMaxGeneralRegisters >= |
43 Register::kNumRegisters); | 49 Register::kNumRegisters); |
44 STATIC_ASSERT(RegisterConfiguration::kMaxFPRegisters >= | 50 STATIC_ASSERT(RegisterConfiguration::kMaxFPRegisters >= |
45 DoubleRegister::kMaxNumRegisters); | 51 DoubleRegister::kMaxNumRegisters); |
46 | 52 |
47 class ArchDefaultRegisterConfiguration : public RegisterConfiguration { | 53 class ArchDefaultRegisterConfiguration : public RegisterConfiguration { |
48 public: | 54 public: |
49 explicit ArchDefaultRegisterConfiguration(CompilerSelector compiler) | 55 explicit ArchDefaultRegisterConfiguration(CompilerSelector compiler) |
50 : RegisterConfiguration(Register::kNumRegisters, | 56 : RegisterConfiguration( |
51 DoubleRegister::kMaxNumRegisters, | 57 Register::kNumRegisters, DoubleRegister::kMaxNumRegisters, |
52 #if V8_TARGET_ARCH_IA32 | 58 #if V8_TARGET_ARCH_IA32 |
53 kMaxAllocatableGeneralRegisterCount, | 59 kMaxAllocatableGeneralRegisterCount, |
54 kMaxAllocatableDoubleRegisterCount, | 60 kMaxAllocatableDoubleRegisterCount, |
55 kMaxAllocatableDoubleRegisterCount, | 61 kMaxAllocatableDoubleRegisterCount, |
56 #elif V8_TARGET_ARCH_X87 | 62 #elif V8_TARGET_ARCH_X87 |
57 kMaxAllocatableGeneralRegisterCount, | 63 kMaxAllocatableGeneralRegisterCount, |
58 compiler == TURBOFAN | 64 compiler == TURBOFAN ? 1 : kMaxAllocatableDoubleRegisterCount, |
59 ? 1 | 65 compiler == TURBOFAN ? 1 : kMaxAllocatableDoubleRegisterCount, |
60 : kMaxAllocatableDoubleRegisterCount, | |
61 compiler == TURBOFAN | |
62 ? 1 | |
63 : kMaxAllocatableDoubleRegisterCount, | |
64 #elif V8_TARGET_ARCH_X64 | 66 #elif V8_TARGET_ARCH_X64 |
65 kMaxAllocatableGeneralRegisterCount, | 67 kMaxAllocatableGeneralRegisterCount, |
66 kMaxAllocatableDoubleRegisterCount, | 68 kMaxAllocatableDoubleRegisterCount, |
67 kMaxAllocatableDoubleRegisterCount, | 69 kMaxAllocatableDoubleRegisterCount, |
68 #elif V8_TARGET_ARCH_ARM | 70 #elif V8_TARGET_ARCH_ARM |
69 FLAG_enable_embedded_constant_pool | 71 FLAG_enable_embedded_constant_pool |
70 ? (kMaxAllocatableGeneralRegisterCount - 1) | 72 ? (kMaxAllocatableGeneralRegisterCount - 1) |
71 : kMaxAllocatableGeneralRegisterCount, | 73 : kMaxAllocatableGeneralRegisterCount, |
72 CpuFeatures::IsSupported(VFP32DREGS) | 74 CpuFeatures::IsSupported(VFP32DREGS) |
73 ? kMaxAllocatableDoubleRegisterCount | 75 ? kMaxAllocatableDoubleRegisterCount |
74 : (ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS( | 76 : (ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS(REGISTER_COUNT) 0), |
75 REGISTER_COUNT)0), | 77 ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS(REGISTER_COUNT) 0, |
76 ALLOCATABLE_NO_VFP32_DOUBLE_REGISTERS( | |
77 REGISTER_COUNT)0, | |
78 #elif V8_TARGET_ARCH_ARM64 | 78 #elif V8_TARGET_ARCH_ARM64 |
79 kMaxAllocatableGeneralRegisterCount, | 79 kMaxAllocatableGeneralRegisterCount, |
80 kMaxAllocatableDoubleRegisterCount, | 80 kMaxAllocatableDoubleRegisterCount, |
81 kMaxAllocatableDoubleRegisterCount, | 81 kMaxAllocatableDoubleRegisterCount, |
82 #elif V8_TARGET_ARCH_MIPS | 82 #elif V8_TARGET_ARCH_MIPS |
83 kMaxAllocatableGeneralRegisterCount, | 83 kMaxAllocatableGeneralRegisterCount, |
84 kMaxAllocatableDoubleRegisterCount, | 84 kMaxAllocatableDoubleRegisterCount, |
85 kMaxAllocatableDoubleRegisterCount, | 85 kMaxAllocatableDoubleRegisterCount, |
86 #elif V8_TARGET_ARCH_MIPS64 | 86 #elif V8_TARGET_ARCH_MIPS64 |
87 kMaxAllocatableGeneralRegisterCount, | 87 kMaxAllocatableGeneralRegisterCount, |
88 kMaxAllocatableDoubleRegisterCount, | 88 kMaxAllocatableDoubleRegisterCount, |
89 kMaxAllocatableDoubleRegisterCount, | 89 kMaxAllocatableDoubleRegisterCount, |
90 #elif V8_TARGET_ARCH_PPC | 90 #elif V8_TARGET_ARCH_PPC |
91 kMaxAllocatableGeneralRegisterCount, | 91 kMaxAllocatableGeneralRegisterCount, |
92 kMaxAllocatableDoubleRegisterCount, | 92 kMaxAllocatableDoubleRegisterCount, |
93 kMaxAllocatableDoubleRegisterCount, | 93 kMaxAllocatableDoubleRegisterCount, |
94 #elif V8_TARGET_ARCH_S390 | 94 #elif V8_TARGET_ARCH_S390 |
95 kMaxAllocatableGeneralRegisterCount, | 95 kMaxAllocatableGeneralRegisterCount, |
96 kMaxAllocatableDoubleRegisterCount, | 96 kMaxAllocatableDoubleRegisterCount, |
97 kMaxAllocatableDoubleRegisterCount, | 97 kMaxAllocatableDoubleRegisterCount, |
98 #else | 98 #else |
99 #error Unsupported target architecture. | 99 #error Unsupported target architecture. |
100 #endif | 100 #endif |
101 kAllocatableGeneralCodes, kAllocatableDoubleCodes, | 101 kAllocatableGeneralCodes, kAllocatableDoubleCodes, |
102 kGeneralRegisterNames, kDoubleRegisterNames) { | 102 kGeneralRegisterNames, kFloatRegisterNames, kDoubleRegisterNames) { |
103 } | 103 } |
104 }; | 104 }; |
105 | 105 |
106 | 106 |
107 template <RegisterConfiguration::CompilerSelector compiler> | 107 template <RegisterConfiguration::CompilerSelector compiler> |
108 struct RegisterConfigurationInitializer { | 108 struct RegisterConfigurationInitializer { |
109 static void Construct(ArchDefaultRegisterConfiguration* config) { | 109 static void Construct(ArchDefaultRegisterConfiguration* config) { |
110 new (config) ArchDefaultRegisterConfiguration(compiler); | 110 new (config) ArchDefaultRegisterConfiguration(compiler); |
111 } | 111 } |
112 }; | 112 }; |
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125 } // namespace | 125 } // namespace |
126 | 126 |
127 | 127 |
128 const RegisterConfiguration* RegisterConfiguration::ArchDefault( | 128 const RegisterConfiguration* RegisterConfiguration::ArchDefault( |
129 CompilerSelector compiler) { | 129 CompilerSelector compiler) { |
130 return compiler == TURBOFAN | 130 return compiler == TURBOFAN |
131 ? &kDefaultRegisterConfigurationForTurboFan.Get() | 131 ? &kDefaultRegisterConfigurationForTurboFan.Get() |
132 : &kDefaultRegisterConfigurationForCrankshaft.Get(); | 132 : &kDefaultRegisterConfigurationForCrankshaft.Get(); |
133 } | 133 } |
134 | 134 |
135 | |
136 RegisterConfiguration::RegisterConfiguration( | 135 RegisterConfiguration::RegisterConfiguration( |
137 int num_general_registers, int num_double_registers, | 136 int num_general_registers, int num_double_registers, |
138 int num_allocatable_general_registers, int num_allocatable_double_registers, | 137 int num_allocatable_general_registers, int num_allocatable_double_registers, |
139 int num_allocatable_aliased_double_registers, | 138 int num_allocatable_aliased_double_registers, |
140 const int* allocatable_general_codes, const int* allocatable_double_codes, | 139 const int* allocatable_general_codes, const int* allocatable_double_codes, |
141 const char* const* general_register_names, | 140 const char* const* general_register_names, |
| 141 const char* const* float_register_names, |
142 const char* const* double_register_names) | 142 const char* const* double_register_names) |
143 : num_general_registers_(num_general_registers), | 143 : num_general_registers_(num_general_registers), |
144 num_double_registers_(num_double_registers), | 144 num_double_registers_(num_double_registers), |
145 num_allocatable_general_registers_(num_allocatable_general_registers), | 145 num_allocatable_general_registers_(num_allocatable_general_registers), |
146 num_allocatable_double_registers_(num_allocatable_double_registers), | 146 num_allocatable_double_registers_(num_allocatable_double_registers), |
147 num_allocatable_aliased_double_registers_( | 147 num_allocatable_aliased_double_registers_( |
148 num_allocatable_aliased_double_registers), | 148 num_allocatable_aliased_double_registers), |
149 allocatable_general_codes_mask_(0), | 149 allocatable_general_codes_mask_(0), |
150 allocatable_double_codes_mask_(0), | 150 allocatable_double_codes_mask_(0), |
151 allocatable_general_codes_(allocatable_general_codes), | 151 allocatable_general_codes_(allocatable_general_codes), |
152 allocatable_double_codes_(allocatable_double_codes), | 152 allocatable_double_codes_(allocatable_double_codes), |
153 general_register_names_(general_register_names), | 153 general_register_names_(general_register_names), |
| 154 float_register_names_(float_register_names), |
154 double_register_names_(double_register_names) { | 155 double_register_names_(double_register_names) { |
155 DCHECK(num_general_registers_ <= RegisterConfiguration::kMaxGeneralRegisters); | 156 DCHECK(num_general_registers_ <= RegisterConfiguration::kMaxGeneralRegisters); |
156 DCHECK(num_double_registers_ <= RegisterConfiguration::kMaxFPRegisters); | 157 DCHECK(num_double_registers_ <= RegisterConfiguration::kMaxFPRegisters); |
157 for (int i = 0; i < num_allocatable_general_registers_; ++i) { | 158 for (int i = 0; i < num_allocatable_general_registers_; ++i) { |
158 allocatable_general_codes_mask_ |= (1 << allocatable_general_codes_[i]); | 159 allocatable_general_codes_mask_ |= (1 << allocatable_general_codes_[i]); |
159 } | 160 } |
160 for (int i = 0; i < num_allocatable_double_registers_; ++i) { | 161 for (int i = 0; i < num_allocatable_double_registers_; ++i) { |
161 allocatable_double_codes_mask_ |= (1 << allocatable_double_codes_[i]); | 162 allocatable_double_codes_mask_ |= (1 << allocatable_double_codes_[i]); |
162 } | 163 } |
163 } | 164 } |
164 | 165 |
165 #undef REGISTER_COUNT | 166 #undef REGISTER_COUNT |
166 | 167 |
167 } // namespace internal | 168 } // namespace internal |
168 } // namespace v8 | 169 } // namespace v8 |
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