deps/v8/src/ppc/interface-descriptors-ppc.cc

   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
   3 // found in the LICENSE file.
   4
   5 #include "src/v8.h"
   6
   7 #if V8_TARGET_ARCH_PPC
   8
   9 #include "src/interface-descriptors.h"
  10
  11 namespace v8 {
  12 namespace internal {
  13
  14 const Register CallInterfaceDescriptor::ContextRegister() { return cp; }
  15
  16
  17 const Register LoadDescriptor::ReceiverRegister() { return r4; }
  18 const Register LoadDescriptor::NameRegister() { return r5; }
  19
  20
  21 const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return r3; }
  22
  23
  24 const Register VectorLoadICDescriptor::VectorRegister() { return r6; }
  25
  26
  27 const Register StoreDescriptor::ReceiverRegister() { return r4; }
  28 const Register StoreDescriptor::NameRegister() { return r5; }
  29 const Register StoreDescriptor::ValueRegister() { return r3; }
  30
  31
  32 const Register StoreTransitionDescriptor::MapRegister() { return r6; }
  33
  34
  35 const Register ElementTransitionAndStoreDescriptor::MapRegister() { return r6; }
  36
  37
  38 const Register InstanceofDescriptor::left() { return r3; }
  39 const Register InstanceofDescriptor::right() { return r4; }
  40
  41
  42 const Register ArgumentsAccessReadDescriptor::index() { return r4; }
  43 const Register ArgumentsAccessReadDescriptor::parameter_count() { return r3; }
  44
  45
  46 const Register ApiGetterDescriptor::function_address() { return r5; }
  47
  48
  49 const Register MathPowTaggedDescriptor::exponent() { return r5; }
  50
  51
  52 const Register MathPowIntegerDescriptor::exponent() {
  53   return MathPowTaggedDescriptor::exponent();
  54 }
  55
  56
  57 void FastNewClosureDescriptor::Initialize(CallInterfaceDescriptorData* data) {
  58   Register registers[] = {cp, r5};
  59   data->Initialize(arraysize(registers), registers, NULL);
  60 }
  61
  62
  63 void FastNewContextDescriptor::Initialize(CallInterfaceDescriptorData* data) {
  64   Register registers[] = {cp, r4};
  65   data->Initialize(arraysize(registers), registers, NULL);
  66 }
  67
  68
  69 void ToNumberDescriptor::Initialize(CallInterfaceDescriptorData* data) {
  70   Register registers[] = {cp, r3};
  71   data->Initialize(arraysize(registers), registers, NULL);
  72 }
  73
  74
  75 void NumberToStringDescriptor::Initialize(CallInterfaceDescriptorData* data) {
  76   Register registers[] = {cp, r3};
  77   data->Initialize(arraysize(registers), registers, NULL);
  78 }
  79
  80
  81 void FastCloneShallowArrayDescriptor::Initialize(
  82     CallInterfaceDescriptorData* data) {
  83   Register registers[] = {cp, r6, r5, r4};
  84   Representation representations[] = {
  85       Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
  86       Representation::Tagged()};
  87   data->Initialize(arraysize(registers), registers, representations);
  88 }
  89
  90
  91 void FastCloneShallowObjectDescriptor::Initialize(
  92     CallInterfaceDescriptorData* data) {
  93   Register registers[] = {cp, r6, r5, r4, r3};
  94   data->Initialize(arraysize(registers), registers, NULL);
  95 }
  96
  97
  98 void CreateAllocationSiteDescriptor::Initialize(
  99     CallInterfaceDescriptorData* data) {
 100   Register registers[] = {cp, r5, r6};
 101   Representation representations[] = {Representation::Tagged(),
 102                                       Representation::Tagged(),
 103                                       Representation::Smi()};
 104   data->Initialize(arraysize(registers), registers, representations);
 105 }
 106
 107
 108 void CreateWeakCellDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 109   Register registers[] = {cp, r5, r6, r4};
 110   Representation representations[] = {
 111       Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
 112       Representation::Tagged()};
 113   data->Initialize(arraysize(registers), registers, representations);
 114 }
 115
 116
 117 void StoreArrayLiteralElementDescriptor::Initialize(
 118     CallInterfaceDescriptorData* data) {
 119   Register registers[] = {cp, r6, r3};
 120   data->Initialize(arraysize(registers), registers, NULL);
 121 }
 122
 123
 124 void CallFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 125   Register registers[] = {cp, r4};
 126   data->Initialize(arraysize(registers), registers, NULL);
 127 }
 128
 129
 130 void CallFunctionWithFeedbackDescriptor::Initialize(
 131     CallInterfaceDescriptorData* data) {
 132   Register registers[] = {cp, r4, r6};
 133   Representation representations[] = {Representation::Tagged(),
 134                                       Representation::Tagged(),
 135                                       Representation::Smi()};
 136   data->Initialize(arraysize(registers), registers, representations);
 137 }
 138
 139
 140 void CallFunctionWithFeedbackAndVectorDescriptor::Initialize(
 141     CallInterfaceDescriptorData* data) {
 142   Register registers[] = {cp, r4, r6, r5};
 143   Representation representations[] = {
 144       Representation::Tagged(), Representation::Tagged(), Representation::Smi(),
 145       Representation::Tagged()};
 146   data->Initialize(arraysize(registers), registers, representations);
 147 }
 148
 149
 150 void CallConstructDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 151   // r3 : number of arguments
 152   // r4 : the function to call
 153   // r5 : feedback vector
 154   // r6 : (only if r5 is not the megamorphic symbol) slot in feedback
 155   //      vector (Smi)
 156   // TODO(turbofan): So far we don't gather type feedback and hence skip the
 157   // slot parameter, but ArrayConstructStub needs the vector to be undefined.
 158   Register registers[] = {cp, r3, r4, r5};
 159   data->Initialize(arraysize(registers), registers, NULL);
 160 }
 161
 162
 163 void RegExpConstructResultDescriptor::Initialize(
 164     CallInterfaceDescriptorData* data) {
 165   Register registers[] = {cp, r5, r4, r3};
 166   data->Initialize(arraysize(registers), registers, NULL);
 167 }
 168
 169
 170 void TransitionElementsKindDescriptor::Initialize(
 171     CallInterfaceDescriptorData* data) {
 172   Register registers[] = {cp, r3, r4};
 173   data->Initialize(arraysize(registers), registers, NULL);
 174 }
 175
 176
 177 void AllocateHeapNumberDescriptor::Initialize(
 178     CallInterfaceDescriptorData* data) {
 179   // register state
 180   // cp -- context
 181   Register registers[] = {cp};
 182   data->Initialize(arraysize(registers), registers, nullptr);
 183 }
 184
 185
 186 void ArrayConstructorConstantArgCountDescriptor::Initialize(
 187     CallInterfaceDescriptorData* data) {
 188   // register state
 189   // cp -- context
 190   // r3 -- number of arguments
 191   // r4 -- function
 192   // r5 -- allocation site with elements kind
 193   Register registers[] = {cp, r4, r5};
 194   data->Initialize(arraysize(registers), registers, NULL);
 195 }
 196
 197
 198 void ArrayConstructorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 199   // stack param count needs (constructor pointer, and single argument)
 200   Register registers[] = {cp, r4, r5, r3};
 201   Representation representations[] = {
 202       Representation::Tagged(), Representation::Tagged(),
 203       Representation::Tagged(), Representation::Integer32()};
 204   data->Initialize(arraysize(registers), registers, representations);
 205 }
 206
 207
 208 void InternalArrayConstructorConstantArgCountDescriptor::Initialize(
 209     CallInterfaceDescriptorData* data) {
 210   // register state
 211   // cp -- context
 212   // r3 -- number of arguments
 213   // r4 -- constructor function
 214   Register registers[] = {cp, r4};
 215   data->Initialize(arraysize(registers), registers, NULL);
 216 }
 217
 218
 219 void InternalArrayConstructorDescriptor::Initialize(
 220     CallInterfaceDescriptorData* data) {
 221   // stack param count needs (constructor pointer, and single argument)
 222   Register registers[] = {cp, r4, r3};
 223   Representation representations[] = {Representation::Tagged(),
 224                                       Representation::Tagged(),
 225                                       Representation::Integer32()};
 226   data->Initialize(arraysize(registers), registers, representations);
 227 }
 228
 229
 230 void CompareDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 231   Register registers[] = {cp, r4, r3};
 232   data->Initialize(arraysize(registers), registers, NULL);
 233 }
 234
 235
 236 void CompareNilDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 237   Register registers[] = {cp, r3};
 238   data->Initialize(arraysize(registers), registers, NULL);
 239 }
 240
 241
 242 void ToBooleanDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 243   Register registers[] = {cp, r3};
 244   data->Initialize(arraysize(registers), registers, NULL);
 245 }
 246
 247
 248 void BinaryOpDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 249   Register registers[] = {cp, r4, r3};
 250   data->Initialize(arraysize(registers), registers, NULL);
 251 }
 252
 253
 254 void BinaryOpWithAllocationSiteDescriptor::Initialize(
 255     CallInterfaceDescriptorData* data) {
 256   Register registers[] = {cp, r5, r4, r3};
 257   data->Initialize(arraysize(registers), registers, NULL);
 258 }
 259
 260
 261 void StringAddDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 262   Register registers[] = {cp, r4, r3};
 263   data->Initialize(arraysize(registers), registers, NULL);
 264 }
 265
 266
 267 void KeyedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 268   Register registers[] = {
 269       cp,  // context
 270       r5,  // key
 271   };
 272   Representation representations[] = {
 273       Representation::Tagged(),  // context
 274       Representation::Tagged(),  // key
 275   };
 276   data->Initialize(arraysize(registers), registers, representations);
 277 }
 278
 279
 280 void NamedDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 281   Register registers[] = {
 282       cp,  // context
 283       r5,  // name
 284   };
 285   Representation representations[] = {
 286       Representation::Tagged(),  // context
 287       Representation::Tagged(),  // name
 288   };
 289   data->Initialize(arraysize(registers), registers, representations);
 290 }
 291
 292
 293 void CallHandlerDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 294   Register registers[] = {
 295       cp,  // context
 296       r3,  // receiver
 297   };
 298   Representation representations[] = {
 299       Representation::Tagged(),  // context
 300       Representation::Tagged(),  // receiver
 301   };
 302   data->Initialize(arraysize(registers), registers, representations);
 303 }
 304
 305
 306 void ArgumentAdaptorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 307   Register registers[] = {
 308       cp,  // context
 309       r4,  // JSFunction
 310       r3,  // actual number of arguments
 311       r5,  // expected number of arguments
 312   };
 313   Representation representations[] = {
 314       Representation::Tagged(),     // context
 315       Representation::Tagged(),     // JSFunction
 316       Representation::Integer32(),  // actual number of arguments
 317       Representation::Integer32(),  // expected number of arguments
 318   };
 319   data->Initialize(arraysize(registers), registers, representations);
 320 }
 321
 322
 323 void ApiFunctionDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 324   Register registers[] = {
 325       cp,  // context
 326       r3,  // callee
 327       r7,  // call_data
 328       r5,  // holder
 329       r4,  // api_function_address
 330       r6,  // actual number of arguments
 331   };
 332   Representation representations[] = {
 333       Representation::Tagged(),     // context
 334       Representation::Tagged(),     // callee
 335       Representation::Tagged(),     // call_data
 336       Representation::Tagged(),     // holder
 337       Representation::External(),   // api_function_address
 338       Representation::Integer32(),  // actual number of arguments
 339   };
 340   data->Initialize(arraysize(registers), registers, representations);
 341 }
 342
 343
 344 void ApiAccessorDescriptor::Initialize(CallInterfaceDescriptorData* data) {
 345   Register registers[] = {
 346       cp,  // context
 347       r3,  // callee
 348       r7,  // call_data
 349       r5,  // holder
 350       r4,  // api_function_address
 351   };
 352   Representation representations[] = {
 353       Representation::Tagged(),    // context
 354       Representation::Tagged(),    // callee
 355       Representation::Tagged(),    // call_data
 356       Representation::Tagged(),    // holder
 357       Representation::External(),  // api_function_address
 358   };
 359   data->Initialize(arraysize(registers), registers, representations);
 360 }
 361 }
 362 }  // namespace v8::internal
 363
 364 #endif  // V8_TARGET_ARCH_PPC