karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 1 | // Copyright 2011 the V8 project authors. All rights reserved. |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | |
| 29 | |
| 30 | #include "v8.h" |
| 31 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 32 | #if defined(V8_TARGET_ARCH_MIPS) |
| 33 | |
karlklose@chromium.org | 83a4728 | 2011-05-11 11:54:09 +0000 | [diff] [blame] | 34 | #include "codegen.h" |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 35 | #include "code-stubs.h" |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 36 | #include "ic-inl.h" |
| 37 | #include "runtime.h" |
| 38 | #include "stub-cache.h" |
| 39 | |
| 40 | namespace v8 { |
| 41 | namespace internal { |
| 42 | |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // Static IC stub generators. |
| 46 | // |
| 47 | |
| 48 | #define __ ACCESS_MASM(masm) |
| 49 | |
| 50 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 51 | static void GenerateGlobalInstanceTypeCheck(MacroAssembler* masm, |
| 52 | Register type, |
| 53 | Label* global_object) { |
| 54 | // Register usage: |
| 55 | // type: holds the receiver instance type on entry. |
| 56 | __ Branch(global_object, eq, type, Operand(JS_GLOBAL_OBJECT_TYPE)); |
| 57 | __ Branch(global_object, eq, type, Operand(JS_BUILTINS_OBJECT_TYPE)); |
| 58 | __ Branch(global_object, eq, type, Operand(JS_GLOBAL_PROXY_TYPE)); |
| 59 | } |
| 60 | |
| 61 | |
| 62 | // Generated code falls through if the receiver is a regular non-global |
| 63 | // JS object with slow properties and no interceptors. |
| 64 | static void GenerateStringDictionaryReceiverCheck(MacroAssembler* masm, |
| 65 | Register receiver, |
| 66 | Register elements, |
| 67 | Register scratch0, |
| 68 | Register scratch1, |
| 69 | Label* miss) { |
| 70 | // Register usage: |
| 71 | // receiver: holds the receiver on entry and is unchanged. |
| 72 | // elements: holds the property dictionary on fall through. |
| 73 | // Scratch registers: |
| 74 | // scratch0: used to holds the receiver map. |
| 75 | // scratch1: used to holds the receiver instance type, receiver bit mask |
| 76 | // and elements map. |
| 77 | |
| 78 | // Check that the receiver isn't a smi. |
| 79 | __ JumpIfSmi(receiver, miss); |
| 80 | |
| 81 | // Check that the receiver is a valid JS object. |
| 82 | __ GetObjectType(receiver, scratch0, scratch1); |
erik.corry@gmail.com | d6076d9 | 2011-06-06 09:39:18 +0000 | [diff] [blame] | 83 | __ Branch(miss, lt, scratch1, Operand(FIRST_SPEC_OBJECT_TYPE)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 84 | |
| 85 | // If this assert fails, we have to check upper bound too. |
erik.corry@gmail.com | d6076d9 | 2011-06-06 09:39:18 +0000 | [diff] [blame] | 86 | STATIC_ASSERT(LAST_TYPE == LAST_SPEC_OBJECT_TYPE); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 87 | |
| 88 | GenerateGlobalInstanceTypeCheck(masm, scratch1, miss); |
| 89 | |
| 90 | // Check that the global object does not require access checks. |
| 91 | __ lbu(scratch1, FieldMemOperand(scratch0, Map::kBitFieldOffset)); |
| 92 | __ And(scratch1, scratch1, Operand((1 << Map::kIsAccessCheckNeeded) | |
| 93 | (1 << Map::kHasNamedInterceptor))); |
| 94 | __ Branch(miss, ne, scratch1, Operand(zero_reg)); |
| 95 | |
| 96 | __ lw(elements, FieldMemOperand(receiver, JSObject::kPropertiesOffset)); |
| 97 | __ lw(scratch1, FieldMemOperand(elements, HeapObject::kMapOffset)); |
| 98 | __ LoadRoot(scratch0, Heap::kHashTableMapRootIndex); |
| 99 | __ Branch(miss, ne, scratch1, Operand(scratch0)); |
| 100 | } |
| 101 | |
| 102 | |
| 103 | // Helper function used from LoadIC/CallIC GenerateNormal. |
| 104 | // |
| 105 | // elements: Property dictionary. It is not clobbered if a jump to the miss |
| 106 | // label is done. |
| 107 | // name: Property name. It is not clobbered if a jump to the miss label is |
| 108 | // done |
| 109 | // result: Register for the result. It is only updated if a jump to the miss |
| 110 | // label is not done. Can be the same as elements or name clobbering |
| 111 | // one of these in the case of not jumping to the miss label. |
| 112 | // The two scratch registers need to be different from elements, name and |
| 113 | // result. |
| 114 | // The generated code assumes that the receiver has slow properties, |
| 115 | // is not a global object and does not have interceptors. |
| 116 | // The address returned from GenerateStringDictionaryProbes() in scratch2 |
| 117 | // is used. |
| 118 | static void GenerateDictionaryLoad(MacroAssembler* masm, |
| 119 | Label* miss, |
| 120 | Register elements, |
| 121 | Register name, |
| 122 | Register result, |
| 123 | Register scratch1, |
| 124 | Register scratch2) { |
| 125 | // Main use of the scratch registers. |
| 126 | // scratch1: Used as temporary and to hold the capacity of the property |
| 127 | // dictionary. |
| 128 | // scratch2: Used as temporary. |
| 129 | Label done; |
| 130 | |
| 131 | // Probe the dictionary. |
| 132 | StringDictionaryLookupStub::GeneratePositiveLookup(masm, |
| 133 | miss, |
| 134 | &done, |
| 135 | elements, |
| 136 | name, |
| 137 | scratch1, |
| 138 | scratch2); |
| 139 | |
| 140 | // If probing finds an entry check that the value is a normal |
| 141 | // property. |
| 142 | __ bind(&done); // scratch2 == elements + 4 * index. |
| 143 | const int kElementsStartOffset = StringDictionary::kHeaderSize + |
| 144 | StringDictionary::kElementsStartIndex * kPointerSize; |
| 145 | const int kDetailsOffset = kElementsStartOffset + 2 * kPointerSize; |
| 146 | __ lw(scratch1, FieldMemOperand(scratch2, kDetailsOffset)); |
| 147 | __ And(at, |
| 148 | scratch1, |
| 149 | Operand(PropertyDetails::TypeField::mask() << kSmiTagSize)); |
| 150 | __ Branch(miss, ne, at, Operand(zero_reg)); |
| 151 | |
| 152 | // Get the value at the masked, scaled index and return. |
| 153 | __ lw(result, |
| 154 | FieldMemOperand(scratch2, kElementsStartOffset + 1 * kPointerSize)); |
| 155 | } |
| 156 | |
| 157 | |
| 158 | // Helper function used from StoreIC::GenerateNormal. |
| 159 | // |
| 160 | // elements: Property dictionary. It is not clobbered if a jump to the miss |
| 161 | // label is done. |
| 162 | // name: Property name. It is not clobbered if a jump to the miss label is |
| 163 | // done |
| 164 | // value: The value to store. |
| 165 | // The two scratch registers need to be different from elements, name and |
| 166 | // result. |
| 167 | // The generated code assumes that the receiver has slow properties, |
| 168 | // is not a global object and does not have interceptors. |
| 169 | // The address returned from GenerateStringDictionaryProbes() in scratch2 |
| 170 | // is used. |
| 171 | static void GenerateDictionaryStore(MacroAssembler* masm, |
| 172 | Label* miss, |
| 173 | Register elements, |
| 174 | Register name, |
| 175 | Register value, |
| 176 | Register scratch1, |
| 177 | Register scratch2) { |
| 178 | // Main use of the scratch registers. |
| 179 | // scratch1: Used as temporary and to hold the capacity of the property |
| 180 | // dictionary. |
| 181 | // scratch2: Used as temporary. |
| 182 | Label done; |
| 183 | |
| 184 | // Probe the dictionary. |
| 185 | StringDictionaryLookupStub::GeneratePositiveLookup(masm, |
| 186 | miss, |
| 187 | &done, |
| 188 | elements, |
| 189 | name, |
| 190 | scratch1, |
| 191 | scratch2); |
| 192 | |
| 193 | // If probing finds an entry in the dictionary check that the value |
| 194 | // is a normal property that is not read only. |
| 195 | __ bind(&done); // scratch2 == elements + 4 * index. |
| 196 | const int kElementsStartOffset = StringDictionary::kHeaderSize + |
| 197 | StringDictionary::kElementsStartIndex * kPointerSize; |
| 198 | const int kDetailsOffset = kElementsStartOffset + 2 * kPointerSize; |
| 199 | const int kTypeAndReadOnlyMask |
| 200 | = (PropertyDetails::TypeField::mask() | |
| 201 | PropertyDetails::AttributesField::encode(READ_ONLY)) << kSmiTagSize; |
| 202 | __ lw(scratch1, FieldMemOperand(scratch2, kDetailsOffset)); |
| 203 | __ And(at, scratch1, Operand(kTypeAndReadOnlyMask)); |
| 204 | __ Branch(miss, ne, at, Operand(zero_reg)); |
| 205 | |
| 206 | // Store the value at the masked, scaled index and return. |
| 207 | const int kValueOffset = kElementsStartOffset + kPointerSize; |
| 208 | __ Addu(scratch2, scratch2, Operand(kValueOffset - kHeapObjectTag)); |
| 209 | __ sw(value, MemOperand(scratch2)); |
| 210 | |
| 211 | // Update the write barrier. Make sure not to clobber the value. |
| 212 | __ mov(scratch1, value); |
| 213 | __ RecordWrite(elements, scratch2, scratch1); |
| 214 | } |
| 215 | |
| 216 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 217 | void LoadIC::GenerateArrayLength(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 218 | // ----------- S t a t e ------------- |
| 219 | // -- a2 : name |
| 220 | // -- ra : return address |
| 221 | // -- a0 : receiver |
| 222 | // -- sp[0] : receiver |
| 223 | // ----------------------------------- |
| 224 | Label miss; |
| 225 | |
| 226 | StubCompiler::GenerateLoadArrayLength(masm, a0, a3, &miss); |
| 227 | __ bind(&miss); |
| 228 | StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 229 | } |
| 230 | |
| 231 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 232 | void LoadIC::GenerateStringLength(MacroAssembler* masm, bool support_wrappers) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 233 | // ----------- S t a t e ------------- |
| 234 | // -- a2 : name |
| 235 | // -- lr : return address |
| 236 | // -- a0 : receiver |
| 237 | // -- sp[0] : receiver |
| 238 | // ----------------------------------- |
| 239 | Label miss; |
| 240 | |
| 241 | StubCompiler::GenerateLoadStringLength(masm, a0, a1, a3, &miss, |
| 242 | support_wrappers); |
| 243 | // Cache miss: Jump to runtime. |
| 244 | __ bind(&miss); |
| 245 | StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | |
| 249 | void LoadIC::GenerateFunctionPrototype(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 250 | // ----------- S t a t e ------------- |
| 251 | // -- a2 : name |
| 252 | // -- lr : return address |
| 253 | // -- a0 : receiver |
| 254 | // -- sp[0] : receiver |
| 255 | // ----------------------------------- |
| 256 | Label miss; |
| 257 | |
| 258 | StubCompiler::GenerateLoadFunctionPrototype(masm, a0, a1, a3, &miss); |
| 259 | __ bind(&miss); |
| 260 | StubCompiler::GenerateLoadMiss(masm, Code::LOAD_IC); |
| 261 | } |
| 262 | |
| 263 | |
| 264 | // Checks the receiver for special cases (value type, slow case bits). |
| 265 | // Falls through for regular JS object. |
| 266 | static void GenerateKeyedLoadReceiverCheck(MacroAssembler* masm, |
| 267 | Register receiver, |
| 268 | Register map, |
| 269 | Register scratch, |
| 270 | int interceptor_bit, |
| 271 | Label* slow) { |
| 272 | // Check that the object isn't a smi. |
| 273 | __ JumpIfSmi(receiver, slow); |
| 274 | // Get the map of the receiver. |
| 275 | __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 276 | // Check bit field. |
| 277 | __ lbu(scratch, FieldMemOperand(map, Map::kBitFieldOffset)); |
| 278 | __ And(at, scratch, Operand(KeyedLoadIC::kSlowCaseBitFieldMask)); |
| 279 | __ Branch(slow, ne, at, Operand(zero_reg)); |
| 280 | // Check that the object is some kind of JS object EXCEPT JS Value type. |
| 281 | // In the case that the object is a value-wrapper object, |
| 282 | // we enter the runtime system to make sure that indexing into string |
| 283 | // objects work as intended. |
| 284 | ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE); |
| 285 | __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset)); |
| 286 | __ Branch(slow, lt, scratch, Operand(JS_OBJECT_TYPE)); |
| 287 | } |
| 288 | |
| 289 | |
| 290 | // Loads an indexed element from a fast case array. |
| 291 | // If not_fast_array is NULL, doesn't perform the elements map check. |
| 292 | static void GenerateFastArrayLoad(MacroAssembler* masm, |
| 293 | Register receiver, |
| 294 | Register key, |
| 295 | Register elements, |
| 296 | Register scratch1, |
| 297 | Register scratch2, |
| 298 | Register result, |
| 299 | Label* not_fast_array, |
| 300 | Label* out_of_range) { |
| 301 | // Register use: |
| 302 | // |
| 303 | // receiver - holds the receiver on entry. |
| 304 | // Unchanged unless 'result' is the same register. |
| 305 | // |
| 306 | // key - holds the smi key on entry. |
| 307 | // Unchanged unless 'result' is the same register. |
| 308 | // |
| 309 | // elements - holds the elements of the receiver on exit. |
| 310 | // |
| 311 | // result - holds the result on exit if the load succeeded. |
| 312 | // Allowed to be the the same as 'receiver' or 'key'. |
| 313 | // Unchanged on bailout so 'receiver' and 'key' can be safely |
| 314 | // used by further computation. |
| 315 | // |
| 316 | // Scratch registers: |
| 317 | // |
| 318 | // scratch1 - used to hold elements map and elements length. |
| 319 | // Holds the elements map if not_fast_array branch is taken. |
| 320 | // |
| 321 | // scratch2 - used to hold the loaded value. |
| 322 | |
| 323 | __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 324 | if (not_fast_array != NULL) { |
| 325 | // Check that the object is in fast mode (not dictionary). |
| 326 | __ lw(scratch1, FieldMemOperand(elements, HeapObject::kMapOffset)); |
| 327 | __ LoadRoot(at, Heap::kFixedArrayMapRootIndex); |
| 328 | __ Branch(not_fast_array, ne, scratch1, Operand(at)); |
| 329 | } else { |
| 330 | __ AssertFastElements(elements); |
| 331 | } |
| 332 | |
| 333 | // Check that the key (index) is within bounds. |
| 334 | __ lw(scratch1, FieldMemOperand(elements, FixedArray::kLengthOffset)); |
| 335 | __ Branch(out_of_range, hs, key, Operand(scratch1)); |
| 336 | |
| 337 | // Fast case: Do the load. |
| 338 | __ Addu(scratch1, elements, |
| 339 | Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
| 340 | // The key is a smi. |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 341 | STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize < kPointerSizeLog2); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 342 | __ sll(at, key, kPointerSizeLog2 - kSmiTagSize); |
| 343 | __ addu(at, at, scratch1); |
| 344 | __ lw(scratch2, MemOperand(at)); |
| 345 | |
| 346 | __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
| 347 | // In case the loaded value is the_hole we have to consult GetProperty |
| 348 | // to ensure the prototype chain is searched. |
| 349 | __ Branch(out_of_range, eq, scratch2, Operand(at)); |
| 350 | __ mov(result, scratch2); |
| 351 | } |
| 352 | |
| 353 | |
| 354 | // Checks whether a key is an array index string or a symbol string. |
| 355 | // Falls through if a key is a symbol. |
| 356 | static void GenerateKeyStringCheck(MacroAssembler* masm, |
| 357 | Register key, |
| 358 | Register map, |
| 359 | Register hash, |
| 360 | Label* index_string, |
| 361 | Label* not_symbol) { |
| 362 | // The key is not a smi. |
| 363 | // Is it a string? |
| 364 | __ GetObjectType(key, map, hash); |
| 365 | __ Branch(not_symbol, ge, hash, Operand(FIRST_NONSTRING_TYPE)); |
| 366 | |
| 367 | // Is the string an array index, with cached numeric value? |
| 368 | __ lw(hash, FieldMemOperand(key, String::kHashFieldOffset)); |
| 369 | __ And(at, hash, Operand(String::kContainsCachedArrayIndexMask)); |
| 370 | __ Branch(index_string, eq, at, Operand(zero_reg)); |
| 371 | |
| 372 | // Is the string a symbol? |
| 373 | // map: key map |
| 374 | __ lbu(hash, FieldMemOperand(map, Map::kInstanceTypeOffset)); |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 375 | STATIC_ASSERT(kSymbolTag != 0); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 376 | __ And(at, hash, Operand(kIsSymbolMask)); |
| 377 | __ Branch(not_symbol, eq, at, Operand(zero_reg)); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 378 | } |
| 379 | |
| 380 | |
| 381 | // Defined in ic.cc. |
| 382 | Object* CallIC_Miss(Arguments args); |
| 383 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 384 | // The generated code does not accept smi keys. |
| 385 | // The generated code falls through if both probes miss. |
| 386 | static void GenerateMonomorphicCacheProbe(MacroAssembler* masm, |
| 387 | int argc, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 388 | Code::Kind kind, |
| 389 | Code::ExtraICState extra_ic_state) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 390 | // ----------- S t a t e ------------- |
| 391 | // -- a1 : receiver |
| 392 | // -- a2 : name |
| 393 | // ----------------------------------- |
| 394 | Label number, non_number, non_string, boolean, probe, miss; |
| 395 | |
| 396 | // Probe the stub cache. |
| 397 | Code::Flags flags = Code::ComputeFlags(kind, |
| 398 | NOT_IN_LOOP, |
| 399 | MONOMORPHIC, |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 400 | extra_ic_state, |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 401 | NORMAL, |
| 402 | argc); |
| 403 | Isolate::Current()->stub_cache()->GenerateProbe( |
| 404 | masm, flags, a1, a2, a3, t0, t1); |
| 405 | |
| 406 | // If the stub cache probing failed, the receiver might be a value. |
| 407 | // For value objects, we use the map of the prototype objects for |
| 408 | // the corresponding JSValue for the cache and that is what we need |
| 409 | // to probe. |
| 410 | // |
| 411 | // Check for number. |
| 412 | __ JumpIfSmi(a1, &number, t1); |
| 413 | __ GetObjectType(a1, a3, a3); |
| 414 | __ Branch(&non_number, ne, a3, Operand(HEAP_NUMBER_TYPE)); |
| 415 | __ bind(&number); |
| 416 | StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 417 | masm, Context::NUMBER_FUNCTION_INDEX, a1); |
| 418 | __ Branch(&probe); |
| 419 | |
| 420 | // Check for string. |
| 421 | __ bind(&non_number); |
| 422 | __ Branch(&non_string, Ugreater_equal, a3, Operand(FIRST_NONSTRING_TYPE)); |
| 423 | StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 424 | masm, Context::STRING_FUNCTION_INDEX, a1); |
| 425 | __ Branch(&probe); |
| 426 | |
| 427 | // Check for boolean. |
| 428 | __ bind(&non_string); |
| 429 | __ LoadRoot(t0, Heap::kTrueValueRootIndex); |
| 430 | __ Branch(&boolean, eq, a1, Operand(t0)); |
| 431 | __ LoadRoot(t1, Heap::kFalseValueRootIndex); |
| 432 | __ Branch(&miss, ne, a1, Operand(t1)); |
| 433 | __ bind(&boolean); |
| 434 | StubCompiler::GenerateLoadGlobalFunctionPrototype( |
| 435 | masm, Context::BOOLEAN_FUNCTION_INDEX, a1); |
| 436 | |
| 437 | // Probe the stub cache for the value object. |
| 438 | __ bind(&probe); |
| 439 | Isolate::Current()->stub_cache()->GenerateProbe( |
| 440 | masm, flags, a1, a2, a3, t0, t1); |
| 441 | |
| 442 | __ bind(&miss); |
| 443 | } |
| 444 | |
| 445 | |
| 446 | static void GenerateFunctionTailCall(MacroAssembler* masm, |
| 447 | int argc, |
| 448 | Label* miss, |
| 449 | Register scratch) { |
| 450 | // a1: function |
| 451 | |
| 452 | // Check that the value isn't a smi. |
| 453 | __ JumpIfSmi(a1, miss); |
| 454 | |
| 455 | // Check that the value is a JSFunction. |
| 456 | __ GetObjectType(a1, scratch, scratch); |
| 457 | __ Branch(miss, ne, scratch, Operand(JS_FUNCTION_TYPE)); |
| 458 | |
| 459 | // Invoke the function. |
| 460 | ParameterCount actual(argc); |
erik.corry@gmail.com | d6076d9 | 2011-06-06 09:39:18 +0000 | [diff] [blame] | 461 | __ InvokeFunction(a1, actual, JUMP_FUNCTION, |
| 462 | NullCallWrapper(), CALL_AS_METHOD); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 463 | } |
| 464 | |
| 465 | |
| 466 | static void GenerateCallNormal(MacroAssembler* masm, int argc) { |
| 467 | // ----------- S t a t e ------------- |
| 468 | // -- a2 : name |
| 469 | // -- ra : return address |
| 470 | // ----------------------------------- |
| 471 | Label miss; |
| 472 | |
| 473 | // Get the receiver of the function from the stack into a1. |
| 474 | __ lw(a1, MemOperand(sp, argc * kPointerSize)); |
| 475 | |
| 476 | GenerateStringDictionaryReceiverCheck(masm, a1, a0, a3, t0, &miss); |
| 477 | |
| 478 | // a0: elements |
| 479 | // Search the dictionary - put result in register a1. |
| 480 | GenerateDictionaryLoad(masm, &miss, a0, a2, a1, a3, t0); |
| 481 | |
| 482 | GenerateFunctionTailCall(masm, argc, &miss, t0); |
| 483 | |
| 484 | // Cache miss: Jump to runtime. |
| 485 | __ bind(&miss); |
| 486 | } |
| 487 | |
| 488 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 489 | static void GenerateCallMiss(MacroAssembler* masm, |
| 490 | int argc, |
| 491 | IC::UtilityId id, |
| 492 | Code::ExtraICState extra_ic_state) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 493 | // ----------- S t a t e ------------- |
| 494 | // -- a2 : name |
| 495 | // -- ra : return address |
| 496 | // ----------------------------------- |
| 497 | Isolate* isolate = masm->isolate(); |
| 498 | |
| 499 | if (id == IC::kCallIC_Miss) { |
| 500 | __ IncrementCounter(isolate->counters()->call_miss(), 1, a3, t0); |
| 501 | } else { |
| 502 | __ IncrementCounter(isolate->counters()->keyed_call_miss(), 1, a3, t0); |
| 503 | } |
| 504 | |
| 505 | // Get the receiver of the function from the stack. |
| 506 | __ lw(a3, MemOperand(sp, argc*kPointerSize)); |
| 507 | |
| 508 | __ EnterInternalFrame(); |
| 509 | |
| 510 | // Push the receiver and the name of the function. |
| 511 | __ Push(a3, a2); |
| 512 | |
| 513 | // Call the entry. |
| 514 | __ li(a0, Operand(2)); |
| 515 | __ li(a1, Operand(ExternalReference(IC_Utility(id), isolate))); |
| 516 | |
| 517 | CEntryStub stub(1); |
| 518 | __ CallStub(&stub); |
| 519 | |
| 520 | // Move result to a1 and leave the internal frame. |
| 521 | __ mov(a1, v0); |
| 522 | __ LeaveInternalFrame(); |
| 523 | |
| 524 | // Check if the receiver is a global object of some sort. |
| 525 | // This can happen only for regular CallIC but not KeyedCallIC. |
| 526 | if (id == IC::kCallIC_Miss) { |
| 527 | Label invoke, global; |
| 528 | __ lw(a2, MemOperand(sp, argc * kPointerSize)); |
| 529 | __ andi(t0, a2, kSmiTagMask); |
| 530 | __ Branch(&invoke, eq, t0, Operand(zero_reg)); |
| 531 | __ GetObjectType(a2, a3, a3); |
| 532 | __ Branch(&global, eq, a3, Operand(JS_GLOBAL_OBJECT_TYPE)); |
| 533 | __ Branch(&invoke, ne, a3, Operand(JS_BUILTINS_OBJECT_TYPE)); |
| 534 | |
| 535 | // Patch the receiver on the stack. |
| 536 | __ bind(&global); |
| 537 | __ lw(a2, FieldMemOperand(a2, GlobalObject::kGlobalReceiverOffset)); |
| 538 | __ sw(a2, MemOperand(sp, argc * kPointerSize)); |
| 539 | __ bind(&invoke); |
| 540 | } |
| 541 | // Invoke the function. |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 542 | CallKind call_kind = CallICBase::Contextual::decode(extra_ic_state) |
| 543 | ? CALL_AS_FUNCTION |
| 544 | : CALL_AS_METHOD; |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 545 | ParameterCount actual(argc); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 546 | __ InvokeFunction(a1, |
| 547 | actual, |
| 548 | JUMP_FUNCTION, |
| 549 | NullCallWrapper(), |
| 550 | call_kind); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 551 | } |
| 552 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 553 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 554 | void CallIC::GenerateMiss(MacroAssembler* masm, |
| 555 | int argc, |
| 556 | Code::ExtraICState extra_ic_state) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 557 | // ----------- S t a t e ------------- |
| 558 | // -- a2 : name |
| 559 | // -- ra : return address |
| 560 | // ----------------------------------- |
| 561 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 562 | GenerateCallMiss(masm, argc, IC::kCallIC_Miss, extra_ic_state); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 563 | } |
| 564 | |
| 565 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 566 | void CallIC::GenerateMegamorphic(MacroAssembler* masm, |
| 567 | int argc, |
| 568 | Code::ExtraICState extra_ic_state) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 569 | // ----------- S t a t e ------------- |
| 570 | // -- a2 : name |
| 571 | // -- ra : return address |
| 572 | // ----------------------------------- |
| 573 | |
| 574 | // Get the receiver of the function from the stack into a1. |
| 575 | __ lw(a1, MemOperand(sp, argc * kPointerSize)); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 576 | GenerateMonomorphicCacheProbe(masm, argc, Code::CALL_IC, extra_ic_state); |
| 577 | GenerateMiss(masm, argc, extra_ic_state); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 578 | } |
| 579 | |
| 580 | |
| 581 | void CallIC::GenerateNormal(MacroAssembler* masm, int argc) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 582 | // ----------- S t a t e ------------- |
| 583 | // -- a2 : name |
| 584 | // -- ra : return address |
| 585 | // ----------------------------------- |
| 586 | |
| 587 | GenerateCallNormal(masm, argc); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 588 | GenerateMiss(masm, argc, Code::kNoExtraICState); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 589 | } |
| 590 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 591 | |
| 592 | void KeyedCallIC::GenerateMiss(MacroAssembler* masm, int argc) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 593 | // ----------- S t a t e ------------- |
| 594 | // -- a2 : name |
| 595 | // -- ra : return address |
| 596 | // ----------------------------------- |
| 597 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 598 | GenerateCallMiss(masm, argc, IC::kKeyedCallIC_Miss, Code::kNoExtraICState); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 599 | } |
| 600 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 601 | |
| 602 | void KeyedCallIC::GenerateMegamorphic(MacroAssembler* masm, int argc) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 603 | // ----------- S t a t e ------------- |
| 604 | // -- a2 : name |
| 605 | // -- ra : return address |
| 606 | // ----------------------------------- |
| 607 | |
| 608 | // Get the receiver of the function from the stack into a1. |
| 609 | __ lw(a1, MemOperand(sp, argc * kPointerSize)); |
| 610 | |
| 611 | Label do_call, slow_call, slow_load, slow_reload_receiver; |
| 612 | Label check_number_dictionary, check_string, lookup_monomorphic_cache; |
| 613 | Label index_smi, index_string; |
| 614 | |
| 615 | // Check that the key is a smi. |
| 616 | __ JumpIfNotSmi(a2, &check_string); |
| 617 | __ bind(&index_smi); |
| 618 | // Now the key is known to be a smi. This place is also jumped to from below |
| 619 | // where a numeric string is converted to a smi. |
| 620 | |
| 621 | GenerateKeyedLoadReceiverCheck( |
| 622 | masm, a1, a0, a3, Map::kHasIndexedInterceptor, &slow_call); |
| 623 | |
| 624 | GenerateFastArrayLoad( |
| 625 | masm, a1, a2, t0, a3, a0, a1, &check_number_dictionary, &slow_load); |
| 626 | Counters* counters = masm->isolate()->counters(); |
| 627 | __ IncrementCounter(counters->keyed_call_generic_smi_fast(), 1, a0, a3); |
| 628 | |
| 629 | __ bind(&do_call); |
| 630 | // receiver in a1 is not used after this point. |
| 631 | // a2: key |
| 632 | // a1: function |
| 633 | |
| 634 | GenerateFunctionTailCall(masm, argc, &slow_call, a0); |
| 635 | |
| 636 | __ bind(&check_number_dictionary); |
| 637 | // a2: key |
| 638 | // a3: elements map |
| 639 | // t0: elements pointer |
| 640 | // Check whether the elements is a number dictionary. |
| 641 | __ LoadRoot(at, Heap::kHashTableMapRootIndex); |
| 642 | __ Branch(&slow_load, ne, a3, Operand(at)); |
| 643 | __ sra(a0, a2, kSmiTagSize); |
| 644 | // a0: untagged index |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 645 | __ LoadFromNumberDictionary(&slow_load, t0, a2, a1, a0, a3, t1); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 646 | __ IncrementCounter(counters->keyed_call_generic_smi_dict(), 1, a0, a3); |
| 647 | __ jmp(&do_call); |
| 648 | |
| 649 | __ bind(&slow_load); |
| 650 | // This branch is taken when calling KeyedCallIC_Miss is neither required |
| 651 | // nor beneficial. |
| 652 | __ IncrementCounter(counters->keyed_call_generic_slow_load(), 1, a0, a3); |
| 653 | __ EnterInternalFrame(); |
| 654 | __ push(a2); // Save the key. |
| 655 | __ Push(a1, a2); // Pass the receiver and the key. |
| 656 | __ CallRuntime(Runtime::kKeyedGetProperty, 2); |
| 657 | __ pop(a2); // Restore the key. |
| 658 | __ LeaveInternalFrame(); |
| 659 | __ mov(a1, v0); |
| 660 | __ jmp(&do_call); |
| 661 | |
| 662 | __ bind(&check_string); |
| 663 | GenerateKeyStringCheck(masm, a2, a0, a3, &index_string, &slow_call); |
| 664 | |
| 665 | // The key is known to be a symbol. |
| 666 | // If the receiver is a regular JS object with slow properties then do |
| 667 | // a quick inline probe of the receiver's dictionary. |
| 668 | // Otherwise do the monomorphic cache probe. |
| 669 | GenerateKeyedLoadReceiverCheck( |
| 670 | masm, a1, a0, a3, Map::kHasNamedInterceptor, &lookup_monomorphic_cache); |
| 671 | |
| 672 | __ lw(a0, FieldMemOperand(a1, JSObject::kPropertiesOffset)); |
| 673 | __ lw(a3, FieldMemOperand(a0, HeapObject::kMapOffset)); |
| 674 | __ LoadRoot(at, Heap::kHashTableMapRootIndex); |
| 675 | __ Branch(&lookup_monomorphic_cache, ne, a3, Operand(at)); |
| 676 | |
| 677 | GenerateDictionaryLoad(masm, &slow_load, a0, a2, a1, a3, t0); |
| 678 | __ IncrementCounter(counters->keyed_call_generic_lookup_dict(), 1, a0, a3); |
| 679 | __ jmp(&do_call); |
| 680 | |
| 681 | __ bind(&lookup_monomorphic_cache); |
| 682 | __ IncrementCounter(counters->keyed_call_generic_lookup_cache(), 1, a0, a3); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 683 | GenerateMonomorphicCacheProbe(masm, |
| 684 | argc, |
| 685 | Code::KEYED_CALL_IC, |
| 686 | Code::kNoExtraICState); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 687 | // Fall through on miss. |
| 688 | |
| 689 | __ bind(&slow_call); |
| 690 | // This branch is taken if: |
| 691 | // - the receiver requires boxing or access check, |
| 692 | // - the key is neither smi nor symbol, |
| 693 | // - the value loaded is not a function, |
| 694 | // - there is hope that the runtime will create a monomorphic call stub, |
| 695 | // that will get fetched next time. |
| 696 | __ IncrementCounter(counters->keyed_call_generic_slow(), 1, a0, a3); |
| 697 | GenerateMiss(masm, argc); |
| 698 | |
| 699 | __ bind(&index_string); |
| 700 | __ IndexFromHash(a3, a2); |
| 701 | // Now jump to the place where smi keys are handled. |
| 702 | __ jmp(&index_smi); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 703 | } |
| 704 | |
| 705 | |
| 706 | void KeyedCallIC::GenerateNormal(MacroAssembler* masm, int argc) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 707 | // ----------- S t a t e ------------- |
| 708 | // -- a2 : name |
| 709 | // -- ra : return address |
| 710 | // ----------------------------------- |
| 711 | |
| 712 | // Check if the name is a string. |
| 713 | Label miss; |
| 714 | __ JumpIfSmi(a2, &miss); |
| 715 | __ IsObjectJSStringType(a2, a0, &miss); |
| 716 | |
| 717 | GenerateCallNormal(masm, argc); |
| 718 | __ bind(&miss); |
| 719 | GenerateMiss(masm, argc); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 723 | // Defined in ic.cc. |
| 724 | Object* LoadIC_Miss(Arguments args); |
| 725 | |
| 726 | void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 727 | // ----------- S t a t e ------------- |
| 728 | // -- a2 : name |
| 729 | // -- ra : return address |
| 730 | // -- a0 : receiver |
| 731 | // -- sp[0] : receiver |
| 732 | // ----------------------------------- |
| 733 | |
| 734 | // Probe the stub cache. |
| 735 | Code::Flags flags = Code::ComputeFlags(Code::LOAD_IC, |
| 736 | NOT_IN_LOOP, |
| 737 | MONOMORPHIC); |
| 738 | Isolate::Current()->stub_cache()->GenerateProbe( |
| 739 | masm, flags, a0, a2, a3, t0, t1); |
| 740 | |
| 741 | // Cache miss: Jump to runtime. |
| 742 | GenerateMiss(masm); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 743 | } |
| 744 | |
| 745 | |
| 746 | void LoadIC::GenerateNormal(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 747 | // ----------- S t a t e ------------- |
| 748 | // -- a2 : name |
| 749 | // -- lr : return address |
| 750 | // -- a0 : receiver |
| 751 | // -- sp[0] : receiver |
| 752 | // ----------------------------------- |
| 753 | Label miss; |
| 754 | |
| 755 | GenerateStringDictionaryReceiverCheck(masm, a0, a1, a3, t0, &miss); |
| 756 | |
| 757 | // a1: elements |
| 758 | GenerateDictionaryLoad(masm, &miss, a1, a2, v0, a3, t0); |
| 759 | __ Ret(); |
| 760 | |
| 761 | // Cache miss: Jump to runtime. |
| 762 | __ bind(&miss); |
| 763 | GenerateMiss(masm); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 764 | } |
| 765 | |
| 766 | |
| 767 | void LoadIC::GenerateMiss(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 768 | // ----------- S t a t e ------------- |
| 769 | // -- a2 : name |
| 770 | // -- ra : return address |
| 771 | // -- a0 : receiver |
| 772 | // -- sp[0] : receiver |
| 773 | // ----------------------------------- |
| 774 | Isolate* isolate = masm->isolate(); |
| 775 | |
| 776 | __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, a3, t0); |
| 777 | |
| 778 | __ mov(a3, a0); |
| 779 | __ Push(a3, a2); |
| 780 | |
| 781 | // Perform tail call to the entry. |
| 782 | ExternalReference ref = ExternalReference(IC_Utility(kLoadIC_Miss), isolate); |
| 783 | __ TailCallExternalReference(ref, 2, 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 787 | static MemOperand GenerateMappedArgumentsLookup(MacroAssembler* masm, |
| 788 | Register object, |
| 789 | Register key, |
| 790 | Register scratch1, |
| 791 | Register scratch2, |
| 792 | Register scratch3, |
| 793 | Label* unmapped_case, |
| 794 | Label* slow_case) { |
| 795 | Heap* heap = masm->isolate()->heap(); |
| 796 | |
vegorov@chromium.org | 3cf4731 | 2011-06-29 13:20:01 +0000 | [diff] [blame] | 797 | // Check that the receiver is a JSObject. Because of the map check |
| 798 | // later, we do not need to check for interceptors or whether it |
| 799 | // requires access checks. |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 800 | __ JumpIfSmi(object, slow_case); |
vegorov@chromium.org | 3cf4731 | 2011-06-29 13:20:01 +0000 | [diff] [blame] | 801 | // Check that the object is some kind of JSObject. |
| 802 | __ GetObjectType(object, scratch1, scratch2); |
| 803 | __ Branch(slow_case, lt, scratch2, Operand(FIRST_JS_RECEIVER_TYPE)); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 804 | |
| 805 | // Check that the key is a positive smi. |
| 806 | __ And(scratch1, key, Operand(0x8000001)); |
| 807 | __ Branch(slow_case, ne, scratch1, Operand(zero_reg)); |
| 808 | |
| 809 | // Load the elements into scratch1 and check its map. |
| 810 | Handle<Map> arguments_map(heap->non_strict_arguments_elements_map()); |
| 811 | __ lw(scratch1, FieldMemOperand(object, JSObject::kElementsOffset)); |
| 812 | __ CheckMap(scratch1, scratch2, arguments_map, slow_case, DONT_DO_SMI_CHECK); |
| 813 | |
| 814 | // Check if element is in the range of mapped arguments. If not, jump |
| 815 | // to the unmapped lookup with the parameter map in scratch1. |
| 816 | __ lw(scratch2, FieldMemOperand(scratch1, FixedArray::kLengthOffset)); |
| 817 | __ Subu(scratch2, scratch2, Operand(Smi::FromInt(2))); |
| 818 | __ Branch(unmapped_case, Ugreater_equal, key, Operand(scratch2)); |
| 819 | |
| 820 | // Load element index and check whether it is the hole. |
| 821 | const int kOffset = |
| 822 | FixedArray::kHeaderSize + 2 * kPointerSize - kHeapObjectTag; |
| 823 | |
| 824 | __ li(scratch3, Operand(kPointerSize >> 1)); |
| 825 | __ mul(scratch3, key, scratch3); |
| 826 | __ Addu(scratch3, scratch3, Operand(kOffset)); |
| 827 | |
| 828 | __ Addu(scratch2, scratch1, scratch3); |
| 829 | __ lw(scratch2, MemOperand(scratch2)); |
| 830 | __ LoadRoot(scratch3, Heap::kTheHoleValueRootIndex); |
| 831 | __ Branch(unmapped_case, eq, scratch2, Operand(scratch3)); |
| 832 | |
| 833 | // Load value from context and return it. We can reuse scratch1 because |
| 834 | // we do not jump to the unmapped lookup (which requires the parameter |
| 835 | // map in scratch1). |
| 836 | __ lw(scratch1, FieldMemOperand(scratch1, FixedArray::kHeaderSize)); |
| 837 | __ li(scratch3, Operand(kPointerSize >> 1)); |
| 838 | __ mul(scratch3, scratch2, scratch3); |
| 839 | __ Addu(scratch3, scratch3, Operand(Context::kHeaderSize - kHeapObjectTag)); |
| 840 | __ Addu(scratch2, scratch1, scratch3); |
| 841 | return MemOperand(scratch2); |
| 842 | } |
| 843 | |
| 844 | |
| 845 | static MemOperand GenerateUnmappedArgumentsLookup(MacroAssembler* masm, |
| 846 | Register key, |
| 847 | Register parameter_map, |
| 848 | Register scratch, |
| 849 | Label* slow_case) { |
| 850 | // Element is in arguments backing store, which is referenced by the |
| 851 | // second element of the parameter_map. The parameter_map register |
| 852 | // must be loaded with the parameter map of the arguments object and is |
| 853 | // overwritten. |
| 854 | const int kBackingStoreOffset = FixedArray::kHeaderSize + kPointerSize; |
| 855 | Register backing_store = parameter_map; |
| 856 | __ lw(backing_store, FieldMemOperand(parameter_map, kBackingStoreOffset)); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 857 | Handle<Map> fixed_array_map(masm->isolate()->heap()->fixed_array_map()); |
| 858 | __ CheckMap(backing_store, scratch, fixed_array_map, slow_case, |
| 859 | DONT_DO_SMI_CHECK); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 860 | __ lw(scratch, FieldMemOperand(backing_store, FixedArray::kLengthOffset)); |
| 861 | __ Branch(slow_case, Ugreater_equal, key, Operand(scratch)); |
| 862 | __ li(scratch, Operand(kPointerSize >> 1)); |
| 863 | __ mul(scratch, key, scratch); |
| 864 | __ Addu(scratch, |
| 865 | scratch, |
| 866 | Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
| 867 | __ Addu(scratch, backing_store, scratch); |
| 868 | return MemOperand(scratch); |
| 869 | } |
| 870 | |
| 871 | |
| 872 | void KeyedLoadIC::GenerateNonStrictArguments(MacroAssembler* masm) { |
| 873 | // ---------- S t a t e -------------- |
| 874 | // -- lr : return address |
| 875 | // -- a0 : key |
| 876 | // -- a1 : receiver |
| 877 | // ----------------------------------- |
| 878 | Label slow, notin; |
| 879 | MemOperand mapped_location = |
| 880 | GenerateMappedArgumentsLookup(masm, a1, a0, a2, a3, t0, ¬in, &slow); |
| 881 | __ lw(v0, mapped_location); |
| 882 | __ Ret(); |
| 883 | __ bind(¬in); |
| 884 | // The unmapped lookup expects that the parameter map is in a2. |
| 885 | MemOperand unmapped_location = |
| 886 | GenerateUnmappedArgumentsLookup(masm, a0, a2, a3, &slow); |
| 887 | __ lw(a2, unmapped_location); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 888 | __ LoadRoot(a3, Heap::kTheHoleValueRootIndex); |
ricow@chromium.org | 4668a2c | 2011-08-29 10:41:00 +0000 | [diff] [blame] | 889 | __ Branch(&slow, eq, a2, Operand(a3)); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 890 | __ mov(v0, a2); |
| 891 | __ Ret(); |
| 892 | __ bind(&slow); |
| 893 | GenerateMiss(masm, false); |
| 894 | } |
| 895 | |
| 896 | |
| 897 | void KeyedStoreIC::GenerateNonStrictArguments(MacroAssembler* masm) { |
| 898 | // ---------- S t a t e -------------- |
| 899 | // -- a0 : value |
| 900 | // -- a1 : key |
| 901 | // -- a2 : receiver |
| 902 | // -- lr : return address |
| 903 | // ----------------------------------- |
| 904 | Label slow, notin; |
| 905 | MemOperand mapped_location = |
| 906 | GenerateMappedArgumentsLookup(masm, a2, a1, a3, t0, t1, ¬in, &slow); |
| 907 | __ sw(a0, mapped_location); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 908 | // Verify mapped_location MemOperand is register, with no offset. |
| 909 | ASSERT_EQ(mapped_location.offset(), 0); |
| 910 | __ RecordWrite(a3, mapped_location.rm(), t5); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 911 | __ Ret(USE_DELAY_SLOT); |
| 912 | __ mov(v0, a0); // (In delay slot) return the value stored in v0. |
| 913 | __ bind(¬in); |
| 914 | // The unmapped lookup expects that the parameter map is in a3. |
| 915 | MemOperand unmapped_location = |
| 916 | GenerateUnmappedArgumentsLookup(masm, a1, a3, t0, &slow); |
| 917 | __ sw(a0, unmapped_location); |
ager@chromium.org | 04921a8 | 2011-06-27 13:21:41 +0000 | [diff] [blame] | 918 | ASSERT_EQ(unmapped_location.offset(), 0); |
| 919 | __ RecordWrite(a3, unmapped_location.rm(), t5); |
lrn@chromium.org | ac2828d | 2011-06-23 06:29:21 +0000 | [diff] [blame] | 920 | __ Ret(USE_DELAY_SLOT); |
| 921 | __ mov(v0, a0); // (In delay slot) return the value stored in v0. |
| 922 | __ bind(&slow); |
| 923 | GenerateMiss(masm, false); |
| 924 | } |
| 925 | |
| 926 | |
| 927 | void KeyedCallIC::GenerateNonStrictArguments(MacroAssembler* masm, |
| 928 | int argc) { |
| 929 | // ----------- S t a t e ------------- |
| 930 | // -- a2 : name |
| 931 | // -- lr : return address |
| 932 | // ----------------------------------- |
| 933 | Label slow, notin; |
| 934 | // Load receiver. |
| 935 | __ lw(a1, MemOperand(sp, argc * kPointerSize)); |
| 936 | MemOperand mapped_location = |
| 937 | GenerateMappedArgumentsLookup(masm, a1, a2, a3, t0, t1, ¬in, &slow); |
| 938 | __ lw(a1, mapped_location); |
| 939 | GenerateFunctionTailCall(masm, argc, &slow, a3); |
| 940 | __ bind(¬in); |
| 941 | // The unmapped lookup expects that the parameter map is in a3. |
| 942 | MemOperand unmapped_location = |
| 943 | GenerateUnmappedArgumentsLookup(masm, a2, a3, t0, &slow); |
| 944 | __ lw(a1, unmapped_location); |
| 945 | __ LoadRoot(a3, Heap::kTheHoleValueRootIndex); |
| 946 | __ Branch(&slow, eq, a1, Operand(a3)); |
| 947 | GenerateFunctionTailCall(masm, argc, &slow, a3); |
| 948 | __ bind(&slow); |
| 949 | GenerateMiss(masm, argc); |
| 950 | } |
| 951 | |
| 952 | |
| 953 | Object* KeyedLoadIC_Miss(Arguments args); |
| 954 | |
| 955 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 956 | void KeyedLoadIC::GenerateMiss(MacroAssembler* masm, bool force_generic) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 957 | // ---------- S t a t e -------------- |
| 958 | // -- ra : return address |
| 959 | // -- a0 : key |
| 960 | // -- a1 : receiver |
| 961 | // ----------------------------------- |
| 962 | Isolate* isolate = masm->isolate(); |
| 963 | |
| 964 | __ IncrementCounter(isolate->counters()->keyed_load_miss(), 1, a3, t0); |
| 965 | |
| 966 | __ Push(a1, a0); |
| 967 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 968 | // Perform tail call to the entry. |
| 969 | ExternalReference ref = force_generic |
| 970 | ? ExternalReference(IC_Utility(kKeyedLoadIC_MissForceGeneric), isolate) |
| 971 | : ExternalReference(IC_Utility(kKeyedLoadIC_Miss), isolate); |
| 972 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 973 | __ TailCallExternalReference(ref, 2, 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 974 | } |
| 975 | |
| 976 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 977 | void KeyedLoadIC::GenerateRuntimeGetProperty(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 978 | // ---------- S t a t e -------------- |
| 979 | // -- ra : return address |
| 980 | // -- a0 : key |
| 981 | // -- a1 : receiver |
| 982 | // ----------------------------------- |
| 983 | |
| 984 | __ Push(a1, a0); |
| 985 | |
| 986 | __ TailCallRuntime(Runtime::kKeyedGetProperty, 2, 1); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 990 | void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 991 | // ---------- S t a t e -------------- |
| 992 | // -- ra : return address |
| 993 | // -- a0 : key |
| 994 | // -- a1 : receiver |
| 995 | // ----------------------------------- |
| 996 | Label slow, check_string, index_smi, index_string, property_array_property; |
| 997 | Label probe_dictionary, check_number_dictionary; |
| 998 | |
| 999 | Register key = a0; |
| 1000 | Register receiver = a1; |
| 1001 | |
| 1002 | Isolate* isolate = masm->isolate(); |
| 1003 | |
| 1004 | // Check that the key is a smi. |
| 1005 | __ JumpIfNotSmi(key, &check_string); |
| 1006 | __ bind(&index_smi); |
| 1007 | // Now the key is known to be a smi. This place is also jumped to from below |
| 1008 | // where a numeric string is converted to a smi. |
| 1009 | |
| 1010 | GenerateKeyedLoadReceiverCheck( |
| 1011 | masm, receiver, a2, a3, Map::kHasIndexedInterceptor, &slow); |
| 1012 | |
erik.corry@gmail.com | d6076d9 | 2011-06-06 09:39:18 +0000 | [diff] [blame] | 1013 | // Check the receiver's map to see if it has fast elements. |
| 1014 | __ CheckFastElements(a2, a3, &check_number_dictionary); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1015 | |
| 1016 | GenerateFastArrayLoad( |
| 1017 | masm, receiver, key, t0, a3, a2, v0, NULL, &slow); |
| 1018 | |
| 1019 | __ IncrementCounter(isolate->counters()->keyed_load_generic_smi(), 1, a2, a3); |
| 1020 | __ Ret(); |
| 1021 | |
| 1022 | __ bind(&check_number_dictionary); |
| 1023 | __ lw(t0, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 1024 | __ lw(a3, FieldMemOperand(t0, JSObject::kMapOffset)); |
| 1025 | |
| 1026 | // Check whether the elements is a number dictionary. |
| 1027 | // a0: key |
| 1028 | // a3: elements map |
| 1029 | // t0: elements |
| 1030 | __ LoadRoot(at, Heap::kHashTableMapRootIndex); |
| 1031 | __ Branch(&slow, ne, a3, Operand(at)); |
| 1032 | __ sra(a2, a0, kSmiTagSize); |
sgjesse@chromium.org | 6db8871 | 2011-07-11 11:41:22 +0000 | [diff] [blame] | 1033 | __ LoadFromNumberDictionary(&slow, t0, a0, v0, a2, a3, t1); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1034 | __ Ret(); |
| 1035 | |
| 1036 | // Slow case, key and receiver still in a0 and a1. |
| 1037 | __ bind(&slow); |
| 1038 | __ IncrementCounter(isolate->counters()->keyed_load_generic_slow(), |
| 1039 | 1, |
| 1040 | a2, |
| 1041 | a3); |
| 1042 | GenerateRuntimeGetProperty(masm); |
| 1043 | |
| 1044 | __ bind(&check_string); |
| 1045 | GenerateKeyStringCheck(masm, key, a2, a3, &index_string, &slow); |
| 1046 | |
| 1047 | GenerateKeyedLoadReceiverCheck( |
| 1048 | masm, receiver, a2, a3, Map::kHasIndexedInterceptor, &slow); |
| 1049 | |
| 1050 | |
| 1051 | // If the receiver is a fast-case object, check the keyed lookup |
| 1052 | // cache. Otherwise probe the dictionary. |
| 1053 | __ lw(a3, FieldMemOperand(a1, JSObject::kPropertiesOffset)); |
| 1054 | __ lw(t0, FieldMemOperand(a3, HeapObject::kMapOffset)); |
| 1055 | __ LoadRoot(at, Heap::kHashTableMapRootIndex); |
| 1056 | __ Branch(&probe_dictionary, eq, t0, Operand(at)); |
| 1057 | |
| 1058 | // Load the map of the receiver, compute the keyed lookup cache hash |
| 1059 | // based on 32 bits of the map pointer and the string hash. |
| 1060 | __ lw(a2, FieldMemOperand(a1, HeapObject::kMapOffset)); |
| 1061 | __ sra(a3, a2, KeyedLookupCache::kMapHashShift); |
| 1062 | __ lw(t0, FieldMemOperand(a0, String::kHashFieldOffset)); |
| 1063 | __ sra(at, t0, String::kHashShift); |
| 1064 | __ xor_(a3, a3, at); |
| 1065 | __ And(a3, a3, Operand(KeyedLookupCache::kCapacityMask)); |
| 1066 | |
| 1067 | // Load the key (consisting of map and symbol) from the cache and |
| 1068 | // check for match. |
| 1069 | ExternalReference cache_keys = |
| 1070 | ExternalReference::keyed_lookup_cache_keys(isolate); |
| 1071 | __ li(t0, Operand(cache_keys)); |
| 1072 | __ sll(at, a3, kPointerSizeLog2 + 1); |
| 1073 | __ addu(t0, t0, at); |
| 1074 | __ lw(t1, MemOperand(t0)); // Move t0 to symbol. |
| 1075 | __ Addu(t0, t0, Operand(kPointerSize)); |
| 1076 | __ Branch(&slow, ne, a2, Operand(t1)); |
| 1077 | __ lw(t1, MemOperand(t0)); |
| 1078 | __ Branch(&slow, ne, a0, Operand(t1)); |
| 1079 | |
| 1080 | // Get field offset. |
| 1081 | // a0 : key |
| 1082 | // a1 : receiver |
| 1083 | // a2 : receiver's map |
| 1084 | // a3 : lookup cache index |
| 1085 | ExternalReference cache_field_offsets = |
| 1086 | ExternalReference::keyed_lookup_cache_field_offsets(isolate); |
| 1087 | __ li(t0, Operand(cache_field_offsets)); |
| 1088 | __ sll(at, a3, kPointerSizeLog2); |
| 1089 | __ addu(at, t0, at); |
| 1090 | __ lw(t1, MemOperand(at)); |
| 1091 | __ lbu(t2, FieldMemOperand(a2, Map::kInObjectPropertiesOffset)); |
| 1092 | __ Subu(t1, t1, t2); |
| 1093 | __ Branch(&property_array_property, ge, t1, Operand(zero_reg)); |
| 1094 | |
| 1095 | // Load in-object property. |
| 1096 | __ lbu(t2, FieldMemOperand(a2, Map::kInstanceSizeOffset)); |
| 1097 | __ addu(t2, t2, t1); // Index from start of object. |
| 1098 | __ Subu(a1, a1, Operand(kHeapObjectTag)); // Remove the heap tag. |
| 1099 | __ sll(at, t2, kPointerSizeLog2); |
| 1100 | __ addu(at, a1, at); |
| 1101 | __ lw(v0, MemOperand(at)); |
| 1102 | __ IncrementCounter(isolate->counters()->keyed_load_generic_lookup_cache(), |
| 1103 | 1, |
| 1104 | a2, |
| 1105 | a3); |
| 1106 | __ Ret(); |
| 1107 | |
| 1108 | // Load property array property. |
| 1109 | __ bind(&property_array_property); |
| 1110 | __ lw(a1, FieldMemOperand(a1, JSObject::kPropertiesOffset)); |
| 1111 | __ Addu(a1, a1, FixedArray::kHeaderSize - kHeapObjectTag); |
| 1112 | __ sll(t0, t1, kPointerSizeLog2); |
| 1113 | __ Addu(t0, t0, a1); |
| 1114 | __ lw(v0, MemOperand(t0)); |
| 1115 | __ IncrementCounter(isolate->counters()->keyed_load_generic_lookup_cache(), |
| 1116 | 1, |
| 1117 | a2, |
| 1118 | a3); |
| 1119 | __ Ret(); |
| 1120 | |
| 1121 | |
| 1122 | // Do a quick inline probe of the receiver's dictionary, if it |
| 1123 | // exists. |
| 1124 | __ bind(&probe_dictionary); |
| 1125 | // a1: receiver |
| 1126 | // a0: key |
| 1127 | // a3: elements |
| 1128 | __ lw(a2, FieldMemOperand(a1, HeapObject::kMapOffset)); |
| 1129 | __ lbu(a2, FieldMemOperand(a2, Map::kInstanceTypeOffset)); |
| 1130 | GenerateGlobalInstanceTypeCheck(masm, a2, &slow); |
| 1131 | // Load the property to v0. |
| 1132 | GenerateDictionaryLoad(masm, &slow, a3, a0, v0, a2, t0); |
| 1133 | __ IncrementCounter(isolate->counters()->keyed_load_generic_symbol(), |
| 1134 | 1, |
| 1135 | a2, |
| 1136 | a3); |
| 1137 | __ Ret(); |
| 1138 | |
| 1139 | __ bind(&index_string); |
| 1140 | __ IndexFromHash(a3, key); |
| 1141 | // Now jump to the place where smi keys are handled. |
| 1142 | __ Branch(&index_smi); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1143 | } |
| 1144 | |
| 1145 | |
| 1146 | void KeyedLoadIC::GenerateString(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1147 | // ---------- S t a t e -------------- |
| 1148 | // -- ra : return address |
| 1149 | // -- a0 : key (index) |
| 1150 | // -- a1 : receiver |
| 1151 | // ----------------------------------- |
| 1152 | Label miss; |
| 1153 | |
| 1154 | Register receiver = a1; |
| 1155 | Register index = a0; |
| 1156 | Register scratch1 = a2; |
| 1157 | Register scratch2 = a3; |
| 1158 | Register result = v0; |
| 1159 | |
| 1160 | StringCharAtGenerator char_at_generator(receiver, |
| 1161 | index, |
| 1162 | scratch1, |
| 1163 | scratch2, |
| 1164 | result, |
| 1165 | &miss, // When not a string. |
| 1166 | &miss, // When not a number. |
| 1167 | &miss, // When index out of range. |
| 1168 | STRING_INDEX_IS_ARRAY_INDEX); |
| 1169 | char_at_generator.GenerateFast(masm); |
| 1170 | __ Ret(); |
| 1171 | |
| 1172 | StubRuntimeCallHelper call_helper; |
| 1173 | char_at_generator.GenerateSlow(masm, call_helper); |
| 1174 | |
| 1175 | __ bind(&miss); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1176 | GenerateMiss(masm, false); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1180 | void KeyedStoreIC::GenerateRuntimeSetProperty(MacroAssembler* masm, |
| 1181 | StrictModeFlag strict_mode) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1182 | // ---------- S t a t e -------------- |
| 1183 | // -- a0 : value |
| 1184 | // -- a1 : key |
| 1185 | // -- a2 : receiver |
| 1186 | // -- ra : return address |
| 1187 | // ----------------------------------- |
| 1188 | |
| 1189 | // Push receiver, key and value for runtime call. |
| 1190 | __ Push(a2, a1, a0); |
| 1191 | __ li(a1, Operand(Smi::FromInt(NONE))); // PropertyAttributes. |
| 1192 | __ li(a0, Operand(Smi::FromInt(strict_mode))); // Strict mode. |
| 1193 | __ Push(a1, a0); |
| 1194 | |
| 1195 | __ TailCallRuntime(Runtime::kSetProperty, 5, 1); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1196 | } |
| 1197 | |
| 1198 | |
| 1199 | void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm, |
| 1200 | StrictModeFlag strict_mode) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1201 | // ---------- S t a t e -------------- |
| 1202 | // -- a0 : value |
| 1203 | // -- a1 : key |
| 1204 | // -- a2 : receiver |
| 1205 | // -- ra : return address |
| 1206 | // ----------------------------------- |
| 1207 | |
| 1208 | Label slow, fast, array, extra, exit; |
| 1209 | |
| 1210 | // Register usage. |
| 1211 | Register value = a0; |
| 1212 | Register key = a1; |
| 1213 | Register receiver = a2; |
| 1214 | Register elements = a3; // Elements array of the receiver. |
| 1215 | // t0 is used as ip in the arm version. |
| 1216 | // t3-t4 are used as temporaries. |
| 1217 | |
| 1218 | // Check that the key is a smi. |
| 1219 | __ JumpIfNotSmi(key, &slow); |
| 1220 | // Check that the object isn't a smi. |
| 1221 | __ JumpIfSmi(receiver, &slow); |
| 1222 | |
| 1223 | // Get the map of the object. |
| 1224 | __ lw(t3, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
| 1225 | // Check that the receiver does not require access checks. We need |
| 1226 | // to do this because this generic stub does not perform map checks. |
| 1227 | __ lbu(t0, FieldMemOperand(t3, Map::kBitFieldOffset)); |
| 1228 | __ And(t0, t0, Operand(1 << Map::kIsAccessCheckNeeded)); |
| 1229 | __ Branch(&slow, ne, t0, Operand(zero_reg)); |
| 1230 | // Check if the object is a JS array or not. |
| 1231 | __ lbu(t3, FieldMemOperand(t3, Map::kInstanceTypeOffset)); |
| 1232 | |
| 1233 | __ Branch(&array, eq, t3, Operand(JS_ARRAY_TYPE)); |
erik.corry@gmail.com | d6076d9 | 2011-06-06 09:39:18 +0000 | [diff] [blame] | 1234 | // Check that the object is some kind of JSObject. |
| 1235 | __ Branch(&slow, lt, t3, Operand(FIRST_JS_RECEIVER_TYPE)); |
| 1236 | __ Branch(&slow, eq, t3, Operand(JS_PROXY_TYPE)); |
| 1237 | __ Branch(&slow, eq, t3, Operand(JS_FUNCTION_PROXY_TYPE)); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1238 | |
| 1239 | // Object case: Check key against length in the elements array. |
| 1240 | __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 1241 | // Check that the object is in fast mode and writable. |
| 1242 | __ lw(t3, FieldMemOperand(elements, HeapObject::kMapOffset)); |
| 1243 | __ LoadRoot(t0, Heap::kFixedArrayMapRootIndex); |
| 1244 | __ Branch(&slow, ne, t3, Operand(t0)); |
| 1245 | // Check array bounds. Both the key and the length of FixedArray are smis. |
| 1246 | __ lw(t0, FieldMemOperand(elements, FixedArray::kLengthOffset)); |
| 1247 | __ Branch(&fast, lo, key, Operand(t0)); |
| 1248 | // Fall thru to slow if un-tagged index >= length. |
| 1249 | |
| 1250 | // Slow case, handle jump to runtime. |
| 1251 | __ bind(&slow); |
| 1252 | |
| 1253 | // Entry registers are intact. |
| 1254 | // a0: value. |
| 1255 | // a1: key. |
| 1256 | // a2: receiver. |
| 1257 | |
| 1258 | GenerateRuntimeSetProperty(masm, strict_mode); |
| 1259 | |
| 1260 | // Extra capacity case: Check if there is extra capacity to |
| 1261 | // perform the store and update the length. Used for adding one |
| 1262 | // element to the array by writing to array[array.length]. |
| 1263 | |
| 1264 | __ bind(&extra); |
| 1265 | // Only support writing to array[array.length]. |
| 1266 | __ Branch(&slow, ne, key, Operand(t0)); |
| 1267 | // Check for room in the elements backing store. |
| 1268 | // Both the key and the length of FixedArray are smis. |
| 1269 | __ lw(t0, FieldMemOperand(elements, FixedArray::kLengthOffset)); |
| 1270 | __ Branch(&slow, hs, key, Operand(t0)); |
| 1271 | // Calculate key + 1 as smi. |
fschneider@chromium.org | 1805e21 | 2011-09-05 10:49:12 +0000 | [diff] [blame] | 1272 | STATIC_ASSERT(0 == kSmiTag); |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1273 | __ Addu(t3, key, Operand(Smi::FromInt(1))); |
| 1274 | __ sw(t3, FieldMemOperand(receiver, JSArray::kLengthOffset)); |
| 1275 | __ Branch(&fast); |
| 1276 | |
| 1277 | |
| 1278 | // Array case: Get the length and the elements array from the JS |
| 1279 | // array. Check that the array is in fast mode (and writable); if it |
| 1280 | // is the length is always a smi. |
| 1281 | |
| 1282 | __ bind(&array); |
| 1283 | __ lw(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); |
| 1284 | __ lw(t3, FieldMemOperand(elements, HeapObject::kMapOffset)); |
| 1285 | __ LoadRoot(t0, Heap::kFixedArrayMapRootIndex); |
| 1286 | __ Branch(&slow, ne, t3, Operand(t0)); |
| 1287 | |
| 1288 | // Check the key against the length in the array. |
| 1289 | __ lw(t0, FieldMemOperand(receiver, JSArray::kLengthOffset)); |
| 1290 | __ Branch(&extra, hs, key, Operand(t0)); |
| 1291 | // Fall through to fast case. |
| 1292 | |
| 1293 | __ bind(&fast); |
| 1294 | // Fast case, store the value to the elements backing store. |
| 1295 | __ Addu(t4, elements, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); |
| 1296 | __ sll(t1, key, kPointerSizeLog2 - kSmiTagSize); |
| 1297 | __ Addu(t4, t4, Operand(t1)); |
| 1298 | __ sw(value, MemOperand(t4)); |
| 1299 | // Skip write barrier if the written value is a smi. |
| 1300 | __ JumpIfSmi(value, &exit); |
| 1301 | |
| 1302 | // Update write barrier for the elements array address. |
| 1303 | __ Subu(t3, t4, Operand(elements)); |
| 1304 | |
| 1305 | __ RecordWrite(elements, Operand(t3), t4, t5); |
| 1306 | __ bind(&exit); |
| 1307 | |
| 1308 | __ mov(v0, a0); // Return the value written. |
| 1309 | __ Ret(); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1310 | } |
| 1311 | |
| 1312 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1313 | void KeyedLoadIC::GenerateIndexedInterceptor(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1314 | // ---------- S t a t e -------------- |
| 1315 | // -- ra : return address |
| 1316 | // -- a0 : key |
| 1317 | // -- a1 : receiver |
| 1318 | // ----------------------------------- |
| 1319 | Label slow; |
| 1320 | |
| 1321 | // Check that the receiver isn't a smi. |
| 1322 | __ JumpIfSmi(a1, &slow); |
| 1323 | |
| 1324 | // Check that the key is an array index, that is Uint32. |
| 1325 | __ And(t0, a0, Operand(kSmiTagMask | kSmiSignMask)); |
| 1326 | __ Branch(&slow, ne, t0, Operand(zero_reg)); |
| 1327 | |
| 1328 | // Get the map of the receiver. |
| 1329 | __ lw(a2, FieldMemOperand(a1, HeapObject::kMapOffset)); |
| 1330 | |
| 1331 | // Check that it has indexed interceptor and access checks |
| 1332 | // are not enabled for this object. |
| 1333 | __ lbu(a3, FieldMemOperand(a2, Map::kBitFieldOffset)); |
| 1334 | __ And(a3, a3, Operand(kSlowCaseBitFieldMask)); |
| 1335 | __ Branch(&slow, ne, a3, Operand(1 << Map::kHasIndexedInterceptor)); |
| 1336 | // Everything is fine, call runtime. |
| 1337 | __ Push(a1, a0); // Receiver, key. |
| 1338 | |
| 1339 | // Perform tail call to the entry. |
| 1340 | __ TailCallExternalReference(ExternalReference( |
| 1341 | IC_Utility(kKeyedLoadPropertyWithInterceptor), masm->isolate()), 2, 1); |
| 1342 | |
| 1343 | __ bind(&slow); |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1344 | GenerateMiss(masm, false); |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1345 | } |
| 1346 | |
| 1347 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1348 | void KeyedStoreIC::GenerateMiss(MacroAssembler* masm, bool force_generic) { |
| 1349 | // ---------- S t a t e -------------- |
| 1350 | // -- a0 : value |
| 1351 | // -- a1 : key |
| 1352 | // -- a2 : receiver |
| 1353 | // -- ra : return address |
| 1354 | // ----------------------------------- |
| 1355 | |
| 1356 | // Push receiver, key and value for runtime call. |
| 1357 | __ Push(a2, a1, a0); |
| 1358 | |
| 1359 | ExternalReference ref = force_generic |
| 1360 | ? ExternalReference(IC_Utility(kKeyedStoreIC_MissForceGeneric), |
| 1361 | masm->isolate()) |
| 1362 | : ExternalReference(IC_Utility(kKeyedStoreIC_Miss), masm->isolate()); |
| 1363 | __ TailCallExternalReference(ref, 3, 1); |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | void KeyedStoreIC::GenerateSlow(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1368 | // ---------- S t a t e -------------- |
| 1369 | // -- a0 : value |
| 1370 | // -- a1 : key |
| 1371 | // -- a2 : receiver |
| 1372 | // -- ra : return address |
| 1373 | // ----------------------------------- |
| 1374 | |
| 1375 | // Push receiver, key and value for runtime call. |
| 1376 | // We can't use MultiPush as the order of the registers is important. |
| 1377 | __ Push(a2, a1, a0); |
| 1378 | |
danno@chromium.org | 40cb878 | 2011-05-25 07:58:50 +0000 | [diff] [blame] | 1379 | // The slow case calls into the runtime to complete the store without causing |
| 1380 | // an IC miss that would otherwise cause a transition to the generic stub. |
| 1381 | ExternalReference ref = |
| 1382 | ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); |
| 1383 | |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1384 | __ TailCallExternalReference(ref, 3, 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1385 | } |
| 1386 | |
| 1387 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1388 | void StoreIC::GenerateMegamorphic(MacroAssembler* masm, |
| 1389 | StrictModeFlag strict_mode) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1390 | // ----------- S t a t e ------------- |
| 1391 | // -- a0 : value |
| 1392 | // -- a1 : receiver |
| 1393 | // -- a2 : name |
| 1394 | // -- ra : return address |
| 1395 | // ----------------------------------- |
| 1396 | |
| 1397 | // Get the receiver from the stack and probe the stub cache. |
| 1398 | Code::Flags flags = Code::ComputeFlags(Code::STORE_IC, |
| 1399 | NOT_IN_LOOP, |
| 1400 | MONOMORPHIC, |
| 1401 | strict_mode); |
| 1402 | Isolate::Current()->stub_cache()->GenerateProbe( |
| 1403 | masm, flags, a1, a2, a3, t0, t1); |
| 1404 | |
| 1405 | // Cache miss: Jump to runtime. |
| 1406 | GenerateMiss(masm); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1407 | } |
| 1408 | |
| 1409 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1410 | void StoreIC::GenerateMiss(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1411 | // ----------- S t a t e ------------- |
| 1412 | // -- a0 : value |
| 1413 | // -- a1 : receiver |
| 1414 | // -- a2 : name |
| 1415 | // -- ra : return address |
| 1416 | // ----------------------------------- |
| 1417 | |
| 1418 | __ Push(a1, a2, a0); |
| 1419 | // Perform tail call to the entry. |
| 1420 | ExternalReference ref = ExternalReference(IC_Utility(kStoreIC_Miss), |
| 1421 | masm->isolate()); |
| 1422 | __ TailCallExternalReference(ref, 3, 1); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1423 | } |
| 1424 | |
| 1425 | |
ager@chromium.org | ce5e87b | 2010-03-10 10:24:18 +0000 | [diff] [blame] | 1426 | void StoreIC::GenerateArrayLength(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1427 | // ----------- S t a t e ------------- |
| 1428 | // -- a0 : value |
| 1429 | // -- a1 : receiver |
| 1430 | // -- a2 : name |
| 1431 | // -- ra : return address |
| 1432 | // ----------------------------------- |
| 1433 | // |
| 1434 | // This accepts as a receiver anything JSObject::SetElementsLength accepts |
| 1435 | // (currently anything except for external and pixel arrays which means |
| 1436 | // anything with elements of FixedArray type.), but currently is restricted |
| 1437 | // to JSArray. |
| 1438 | // Value must be a number, but only smis are accepted as the most common case. |
| 1439 | |
| 1440 | Label miss; |
| 1441 | |
| 1442 | Register receiver = a1; |
| 1443 | Register value = a0; |
| 1444 | Register scratch = a3; |
| 1445 | |
| 1446 | // Check that the receiver isn't a smi. |
| 1447 | __ JumpIfSmi(receiver, &miss); |
| 1448 | |
| 1449 | // Check that the object is a JS array. |
| 1450 | __ GetObjectType(receiver, scratch, scratch); |
| 1451 | __ Branch(&miss, ne, scratch, Operand(JS_ARRAY_TYPE)); |
| 1452 | |
| 1453 | // Check that elements are FixedArray. |
| 1454 | // We rely on StoreIC_ArrayLength below to deal with all types of |
| 1455 | // fast elements (including COW). |
| 1456 | __ lw(scratch, FieldMemOperand(receiver, JSArray::kElementsOffset)); |
| 1457 | __ GetObjectType(scratch, scratch, scratch); |
| 1458 | __ Branch(&miss, ne, scratch, Operand(FIXED_ARRAY_TYPE)); |
| 1459 | |
| 1460 | // Check that value is a smi. |
| 1461 | __ JumpIfNotSmi(value, &miss); |
| 1462 | |
| 1463 | // Prepare tail call to StoreIC_ArrayLength. |
| 1464 | __ Push(receiver, value); |
| 1465 | |
| 1466 | ExternalReference ref = ExternalReference(IC_Utility(kStoreIC_ArrayLength), |
| 1467 | masm->isolate()); |
| 1468 | __ TailCallExternalReference(ref, 2, 1); |
| 1469 | |
| 1470 | __ bind(&miss); |
| 1471 | |
| 1472 | GenerateMiss(masm); |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1473 | } |
| 1474 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1475 | |
| 1476 | void StoreIC::GenerateNormal(MacroAssembler* masm) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1477 | // ----------- S t a t e ------------- |
| 1478 | // -- a0 : value |
| 1479 | // -- a1 : receiver |
| 1480 | // -- a2 : name |
| 1481 | // -- ra : return address |
| 1482 | // ----------------------------------- |
| 1483 | Label miss; |
| 1484 | |
| 1485 | GenerateStringDictionaryReceiverCheck(masm, a1, a3, t0, t1, &miss); |
| 1486 | |
| 1487 | GenerateDictionaryStore(masm, &miss, a3, a2, a0, t0, t1); |
| 1488 | Counters* counters = masm->isolate()->counters(); |
| 1489 | __ IncrementCounter(counters->store_normal_hit(), 1, t0, t1); |
| 1490 | __ Ret(); |
| 1491 | |
| 1492 | __ bind(&miss); |
| 1493 | __ IncrementCounter(counters->store_normal_miss(), 1, t0, t1); |
| 1494 | GenerateMiss(masm); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1495 | } |
| 1496 | |
| 1497 | |
| 1498 | void StoreIC::GenerateGlobalProxy(MacroAssembler* masm, |
| 1499 | StrictModeFlag strict_mode) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1500 | // ----------- S t a t e ------------- |
| 1501 | // -- a0 : value |
| 1502 | // -- a1 : receiver |
| 1503 | // -- a2 : name |
| 1504 | // -- ra : return address |
| 1505 | // ----------------------------------- |
| 1506 | |
| 1507 | __ Push(a1, a2, a0); |
| 1508 | |
| 1509 | __ li(a1, Operand(Smi::FromInt(NONE))); // PropertyAttributes. |
| 1510 | __ li(a0, Operand(Smi::FromInt(strict_mode))); |
| 1511 | __ Push(a1, a0); |
| 1512 | |
| 1513 | // Do tail-call to runtime routine. |
| 1514 | __ TailCallRuntime(Runtime::kSetProperty, 5, 1); |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1515 | } |
| 1516 | |
| 1517 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1518 | #undef __ |
| 1519 | |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1520 | |
| 1521 | Condition CompareIC::ComputeCondition(Token::Value op) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1522 | switch (op) { |
| 1523 | case Token::EQ_STRICT: |
| 1524 | case Token::EQ: |
| 1525 | return eq; |
| 1526 | case Token::LT: |
| 1527 | return lt; |
| 1528 | case Token::GT: |
| 1529 | // Reverse left and right operands to obtain ECMA-262 conversion order. |
| 1530 | return lt; |
| 1531 | case Token::LTE: |
| 1532 | // Reverse left and right operands to obtain ECMA-262 conversion order. |
| 1533 | return ge; |
| 1534 | case Token::GTE: |
| 1535 | return ge; |
| 1536 | default: |
| 1537 | UNREACHABLE(); |
| 1538 | return kNoCondition; |
| 1539 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1540 | } |
| 1541 | |
| 1542 | |
| 1543 | void CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1544 | HandleScope scope; |
| 1545 | Handle<Code> rewritten; |
| 1546 | State previous_state = GetState(); |
| 1547 | State state = TargetState(previous_state, false, x, y); |
| 1548 | if (state == GENERIC) { |
| 1549 | CompareStub stub(GetCondition(), strict(), NO_COMPARE_FLAGS, a1, a0); |
| 1550 | rewritten = stub.GetCode(); |
| 1551 | } else { |
| 1552 | ICCompareStub stub(op_, state); |
| 1553 | rewritten = stub.GetCode(); |
| 1554 | } |
| 1555 | set_target(*rewritten); |
| 1556 | |
| 1557 | #ifdef DEBUG |
| 1558 | if (FLAG_trace_ic) { |
| 1559 | PrintF("[CompareIC (%s->%s)#%s]\n", |
| 1560 | GetStateName(previous_state), |
| 1561 | GetStateName(state), |
| 1562 | Token::Name(op_)); |
| 1563 | } |
| 1564 | #endif |
| 1565 | |
| 1566 | // Activate inlined smi code. |
| 1567 | if (previous_state == UNINITIALIZED) { |
| 1568 | PatchInlinedSmiCode(address()); |
| 1569 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1570 | } |
| 1571 | |
| 1572 | |
| 1573 | void PatchInlinedSmiCode(Address address) { |
vegorov@chromium.org | 7304bca | 2011-05-16 12:14:13 +0000 | [diff] [blame] | 1574 | Address andi_instruction_address = |
| 1575 | address + Assembler::kCallTargetAddressOffset; |
| 1576 | |
| 1577 | // If the instruction following the call is not a andi at, rx, #yyy, nothing |
| 1578 | // was inlined. |
| 1579 | Instr instr = Assembler::instr_at(andi_instruction_address); |
| 1580 | if (!Assembler::IsAndImmediate(instr)) { |
| 1581 | return; |
| 1582 | } |
| 1583 | |
| 1584 | // The delta to the start of the map check instruction and the |
| 1585 | // condition code uses at the patched jump. |
| 1586 | int delta = Assembler::GetImmediate16(instr); |
| 1587 | delta += Assembler::GetRs(instr) * kImm16Mask; |
| 1588 | // If the delta is 0 the instruction is andi at, zero_reg, #0 which also |
| 1589 | // signals that nothing was inlined. |
| 1590 | if (delta == 0) { |
| 1591 | return; |
| 1592 | } |
| 1593 | |
| 1594 | #ifdef DEBUG |
| 1595 | if (FLAG_trace_ic) { |
| 1596 | PrintF("[ patching ic at %p, andi=%p, delta=%d\n", |
| 1597 | address, andi_instruction_address, delta); |
| 1598 | } |
| 1599 | #endif |
| 1600 | |
| 1601 | Address patch_address = |
| 1602 | andi_instruction_address - delta * Instruction::kInstrSize; |
| 1603 | Instr instr_at_patch = Assembler::instr_at(patch_address); |
| 1604 | Instr branch_instr = |
| 1605 | Assembler::instr_at(patch_address + Instruction::kInstrSize); |
| 1606 | ASSERT(Assembler::IsAndImmediate(instr_at_patch)); |
| 1607 | ASSERT_EQ(0, Assembler::GetImmediate16(instr_at_patch)); |
| 1608 | ASSERT(Assembler::IsBranch(branch_instr)); |
| 1609 | if (Assembler::IsBeq(branch_instr)) { |
| 1610 | // This is patching a "jump if not smi" site to be active. |
| 1611 | // Changing: |
| 1612 | // andi at, rx, 0 |
| 1613 | // Branch <target>, eq, at, Operand(zero_reg) |
| 1614 | // to: |
| 1615 | // andi at, rx, #kSmiTagMask |
| 1616 | // Branch <target>, ne, at, Operand(zero_reg) |
| 1617 | CodePatcher patcher(patch_address, 2); |
| 1618 | Register reg = Register::from_code(Assembler::GetRs(instr_at_patch)); |
| 1619 | patcher.masm()->andi(at, reg, kSmiTagMask); |
| 1620 | patcher.ChangeBranchCondition(ne); |
| 1621 | } else { |
| 1622 | ASSERT(Assembler::IsBne(branch_instr)); |
| 1623 | // This is patching a "jump if smi" site to be active. |
| 1624 | // Changing: |
| 1625 | // andi at, rx, 0 |
| 1626 | // Branch <target>, ne, at, Operand(zero_reg) |
| 1627 | // to: |
| 1628 | // andi at, rx, #kSmiTagMask |
| 1629 | // Branch <target>, eq, at, Operand(zero_reg) |
| 1630 | CodePatcher patcher(patch_address, 2); |
| 1631 | Register reg = Register::from_code(Assembler::GetRs(instr_at_patch)); |
| 1632 | patcher.masm()->andi(at, reg, kSmiTagMask); |
| 1633 | patcher.ChangeBranchCondition(eq); |
| 1634 | } |
lrn@chromium.org | 7516f05 | 2011-03-30 08:52:27 +0000 | [diff] [blame] | 1635 | } |
| 1636 | |
| 1637 | |
ager@chromium.org | 5c83825 | 2010-02-19 08:53:10 +0000 | [diff] [blame] | 1638 | } } // namespace v8::internal |
| 1639 | |
erik.corry@gmail.com | 9dfbea4 | 2010-05-21 12:58:28 +0000 | [diff] [blame] | 1640 | #endif // V8_TARGET_ARCH_MIPS |