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Issue 181453002: Reset trunk to 3.24.35.4 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 211 matching lines...) Expand 10 before | Expand all | Expand 10 after
222 Register map, 222 Register map,
223 Register scratch, 223 Register scratch,
224 int interceptor_bit, 224 int interceptor_bit,
225 Label* slow) { 225 Label* slow) {
226 // Check that the object isn't a smi. 226 // Check that the object isn't a smi.
227 __ JumpIfSmi(receiver, slow); 227 __ JumpIfSmi(receiver, slow);
228 // Get the map of the receiver. 228 // Get the map of the receiver.
229 __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset)); 229 __ lw(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
230 // Check bit field. 230 // Check bit field.
231 __ lbu(scratch, FieldMemOperand(map, Map::kBitFieldOffset)); 231 __ lbu(scratch, FieldMemOperand(map, Map::kBitFieldOffset));
232 __ And(at, scratch, 232 __ And(at, scratch, Operand(KeyedLoadIC::kSlowCaseBitFieldMask));
233 Operand((1 << Map::kIsAccessCheckNeeded) | (1 << interceptor_bit)));
234 __ Branch(slow, ne, at, Operand(zero_reg)); 233 __ Branch(slow, ne, at, Operand(zero_reg));
235 // Check that the object is some kind of JS object EXCEPT JS Value type. 234 // Check that the object is some kind of JS object EXCEPT JS Value type.
236 // In the case that the object is a value-wrapper object, 235 // In the case that the object is a value-wrapper object,
237 // we enter the runtime system to make sure that indexing into string 236 // we enter the runtime system to make sure that indexing into string
238 // objects work as intended. 237 // objects work as intended.
239 ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE); 238 ASSERT(JS_OBJECT_TYPE > JS_VALUE_TYPE);
240 __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset)); 239 __ lbu(scratch, FieldMemOperand(map, Map::kInstanceTypeOffset));
241 __ Branch(slow, lt, scratch, Operand(JS_OBJECT_TYPE)); 240 __ Branch(slow, lt, scratch, Operand(JS_OBJECT_TYPE));
242 } 241 }
243 242
(...skipping 88 matching lines...) Expand 10 before | Expand all | Expand 10 after
332 // map: key map 331 // map: key map
333 __ lbu(hash, FieldMemOperand(map, Map::kInstanceTypeOffset)); 332 __ lbu(hash, FieldMemOperand(map, Map::kInstanceTypeOffset));
334 STATIC_ASSERT(kInternalizedTag == 0); 333 STATIC_ASSERT(kInternalizedTag == 0);
335 __ And(at, hash, Operand(kIsNotInternalizedMask)); 334 __ And(at, hash, Operand(kIsNotInternalizedMask));
336 __ Branch(not_unique, ne, at, Operand(zero_reg)); 335 __ Branch(not_unique, ne, at, Operand(zero_reg));
337 336
338 __ bind(&unique); 337 __ bind(&unique);
339 } 338 }
340 339
341 340
342 void LoadIC::GenerateMegamorphic(MacroAssembler* masm) { 341 void LoadIC::GenerateMegamorphic(MacroAssembler* masm,
342 ExtraICState extra_state) {
343 // ----------- S t a t e ------------- 343 // ----------- S t a t e -------------
344 // -- a2 : name 344 // -- a2 : name
345 // -- ra : return address 345 // -- ra : return address
346 // -- a0 : receiver 346 // -- a0 : receiver
347 // ----------------------------------- 347 // -----------------------------------
348 348
349 // Probe the stub cache. 349 // Probe the stub cache.
350 Code::Flags flags = Code::ComputeHandlerFlags(Code::LOAD_IC); 350 Code::Flags flags = Code::ComputeFlags(
351 Code::HANDLER, MONOMORPHIC, extra_state,
352 Code::NORMAL, Code::LOAD_IC);
351 masm->isolate()->stub_cache()->GenerateProbe( 353 masm->isolate()->stub_cache()->GenerateProbe(
352 masm, flags, a0, a2, a3, t0, t1, t2); 354 masm, flags, a0, a2, a3, t0, t1, t2);
353 355
354 // Cache miss: Jump to runtime. 356 // Cache miss: Jump to runtime.
355 GenerateMiss(masm); 357 GenerateMiss(masm);
356 } 358 }
357 359
358 360
359 void LoadIC::GenerateNormal(MacroAssembler* masm) { 361 void LoadIC::GenerateNormal(MacroAssembler* masm) {
360 // ----------- S t a t e ------------- 362 // ----------- S t a t e -------------
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640 __ IncrementCounter(isolate->counters()->keyed_load_generic_slow(), 642 __ IncrementCounter(isolate->counters()->keyed_load_generic_slow(),
641 1, 643 1,
642 a2, 644 a2,
643 a3); 645 a3);
644 GenerateRuntimeGetProperty(masm); 646 GenerateRuntimeGetProperty(masm);
645 647
646 __ bind(&check_name); 648 __ bind(&check_name);
647 GenerateKeyNameCheck(masm, key, a2, a3, &index_name, &slow); 649 GenerateKeyNameCheck(masm, key, a2, a3, &index_name, &slow);
648 650
649 GenerateKeyedLoadReceiverCheck( 651 GenerateKeyedLoadReceiverCheck(
650 masm, receiver, a2, a3, Map::kHasNamedInterceptor, &slow); 652 masm, receiver, a2, a3, Map::kHasIndexedInterceptor, &slow);
651 653
652 654
653 // If the receiver is a fast-case object, check the keyed lookup 655 // If the receiver is a fast-case object, check the keyed lookup
654 // cache. Otherwise probe the dictionary. 656 // cache. Otherwise probe the dictionary.
655 __ lw(a3, FieldMemOperand(a1, JSObject::kPropertiesOffset)); 657 __ lw(a3, FieldMemOperand(a1, JSObject::kPropertiesOffset));
656 __ lw(t0, FieldMemOperand(a3, HeapObject::kMapOffset)); 658 __ lw(t0, FieldMemOperand(a3, HeapObject::kMapOffset));
657 __ LoadRoot(at, Heap::kHashTableMapRootIndex); 659 __ LoadRoot(at, Heap::kHashTableMapRootIndex);
658 __ Branch(&probe_dictionary, eq, t0, Operand(at)); 660 __ Branch(&probe_dictionary, eq, t0, Operand(at));
659 661
660 // Load the map of the receiver, compute the keyed lookup cache hash 662 // Load the map of the receiver, compute the keyed lookup cache hash
(...skipping 510 matching lines...) Expand 10 before | Expand all | Expand 10 after
1171 1173
1172 // The slow case calls into the runtime to complete the store without causing 1174 // The slow case calls into the runtime to complete the store without causing
1173 // an IC miss that would otherwise cause a transition to the generic stub. 1175 // an IC miss that would otherwise cause a transition to the generic stub.
1174 ExternalReference ref = 1176 ExternalReference ref =
1175 ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate()); 1177 ExternalReference(IC_Utility(kKeyedStoreIC_Slow), masm->isolate());
1176 1178
1177 __ TailCallExternalReference(ref, 3, 1); 1179 __ TailCallExternalReference(ref, 3, 1);
1178 } 1180 }
1179 1181
1180 1182
1181 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) { 1183 void StoreIC::GenerateMegamorphic(MacroAssembler* masm,
1184 ExtraICState extra_ic_state) {
1182 // ----------- S t a t e ------------- 1185 // ----------- S t a t e -------------
1183 // -- a0 : value 1186 // -- a0 : value
1184 // -- a1 : receiver 1187 // -- a1 : receiver
1185 // -- a2 : name 1188 // -- a2 : name
1186 // -- ra : return address 1189 // -- ra : return address
1187 // ----------------------------------- 1190 // -----------------------------------
1188 1191
1189 // Get the receiver from the stack and probe the stub cache. 1192 // Get the receiver from the stack and probe the stub cache.
1190 Code::Flags flags = Code::ComputeHandlerFlags(Code::STORE_IC); 1193 Code::Flags flags = Code::ComputeFlags(
1194 Code::HANDLER, MONOMORPHIC, extra_ic_state,
1195 Code::NORMAL, Code::STORE_IC);
1191 masm->isolate()->stub_cache()->GenerateProbe( 1196 masm->isolate()->stub_cache()->GenerateProbe(
1192 masm, flags, a1, a2, a3, t0, t1, t2); 1197 masm, flags, a1, a2, a3, t0, t1, t2);
1193 1198
1194 // Cache miss: Jump to runtime. 1199 // Cache miss: Jump to runtime.
1195 GenerateMiss(masm); 1200 GenerateMiss(masm);
1196 } 1201 }
1197 1202
1198 1203
1199 void StoreIC::GenerateMiss(MacroAssembler* masm) { 1204 void StoreIC::GenerateMiss(MacroAssembler* masm) {
1200 // ----------- S t a t e ------------- 1205 // ----------- S t a t e -------------
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1347 } else { 1352 } else {
1348 ASSERT(Assembler::IsBne(branch_instr)); 1353 ASSERT(Assembler::IsBne(branch_instr));
1349 patcher.ChangeBranchCondition(eq); 1354 patcher.ChangeBranchCondition(eq);
1350 } 1355 }
1351 } 1356 }
1352 1357
1353 1358
1354 } } // namespace v8::internal 1359 } } // namespace v8::internal
1355 1360
1356 #endif // V8_TARGET_ARCH_MIPS 1361 #endif // V8_TARGET_ARCH_MIPS
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