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Side by Side Diff: src/ia32/macro-assembler-ia32.h

Issue 2523473002: [cleanup] Drop handwritten KeyedStoreIC code (Closed)
Patch Set: rebased Created 4 years 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_IA32_MACRO_ASSEMBLER_IA32_H_ 5 #ifndef V8_IA32_MACRO_ASSEMBLER_IA32_H_
6 #define V8_IA32_MACRO_ASSEMBLER_IA32_H_ 6 #define V8_IA32_MACRO_ASSEMBLER_IA32_H_
7 7
8 #include "src/assembler.h" 8 #include "src/assembler.h"
9 #include "src/bailout-reason.h" 9 #include "src/bailout-reason.h"
10 #include "src/frames.h" 10 #include "src/frames.h"
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253 // Leave the current exit frame. Expects the return value in 253 // Leave the current exit frame. Expects the return value in
254 // register eax (untouched). 254 // register eax (untouched).
255 void LeaveApiExitFrame(bool restore_context); 255 void LeaveApiExitFrame(bool restore_context);
256 256
257 // Find the function context up the context chain. 257 // Find the function context up the context chain.
258 void LoadContext(Register dst, int context_chain_length); 258 void LoadContext(Register dst, int context_chain_length);
259 259
260 // Load the global proxy from the current context. 260 // Load the global proxy from the current context.
261 void LoadGlobalProxy(Register dst); 261 void LoadGlobalProxy(Register dst);
262 262
263 // Conditionally load the cached Array transitioned map of type
264 // transitioned_kind from the native context if the map in register
265 // map_in_out is the cached Array map in the native context of
266 // expected_kind.
267 void LoadTransitionedArrayMapConditional(ElementsKind expected_kind,
268 ElementsKind transitioned_kind,
269 Register map_in_out,
270 Register scratch,
271 Label* no_map_match);
272
273 // Load the global function with the given index. 263 // Load the global function with the given index.
274 void LoadGlobalFunction(int index, Register function); 264 void LoadGlobalFunction(int index, Register function);
275 265
276 // Load the initial map from the global function. The registers 266 // Load the initial map from the global function. The registers
277 // function and map can be the same. 267 // function and map can be the same.
278 void LoadGlobalFunctionInitialMap(Register function, Register map); 268 void LoadGlobalFunctionInitialMap(Register function, Register map);
279 269
280 // Push and pop the registers that can hold pointers. 270 // Push and pop the registers that can hold pointers.
281 void PushSafepointRegisters() { pushad(); } 271 void PushSafepointRegisters() { pushad(); }
282 void PopSafepointRegisters() { popad(); } 272 void PopSafepointRegisters() { popad(); }
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384 void SafeMove(Register dst, const Immediate& x); 374 void SafeMove(Register dst, const Immediate& x);
385 void SafePush(const Immediate& x); 375 void SafePush(const Immediate& x);
386 376
387 // Compare object type for heap object. 377 // Compare object type for heap object.
388 // Incoming register is heap_object and outgoing register is map. 378 // Incoming register is heap_object and outgoing register is map.
389 void CmpObjectType(Register heap_object, InstanceType type, Register map); 379 void CmpObjectType(Register heap_object, InstanceType type, Register map);
390 380
391 // Compare instance type for map. 381 // Compare instance type for map.
392 void CmpInstanceType(Register map, InstanceType type); 382 void CmpInstanceType(Register map, InstanceType type);
393 383
394 // Check if a map for a JSObject indicates that the object can have both smi
395 // and HeapObject elements. Jump to the specified label if it does not.
396 void CheckFastObjectElements(Register map, Label* fail,
397 Label::Distance distance = Label::kFar);
398
399 // Check if a map for a JSObject indicates that the object has fast smi only
400 // elements. Jump to the specified label if it does not.
401 void CheckFastSmiElements(Register map, Label* fail,
402 Label::Distance distance = Label::kFar);
403
404 // Check to see if maybe_number can be stored as a double in
405 // FastDoubleElements. If it can, store it at the index specified by key in
406 // the FastDoubleElements array elements, otherwise jump to fail.
407 void StoreNumberToDoubleElements(Register maybe_number, Register elements,
408 Register key, Register scratch1,
409 XMMRegister scratch2, Label* fail,
410 int offset = 0);
411
412 // Compare an object's map with the specified map. 384 // Compare an object's map with the specified map.
413 void CompareMap(Register obj, Handle<Map> map); 385 void CompareMap(Register obj, Handle<Map> map);
414 386
415 // Check if the map of an object is equal to a specified map and branch to 387 // Check if the map of an object is equal to a specified map and branch to
416 // label if not. Skip the smi check if not required (object is known to be a 388 // label if not. Skip the smi check if not required (object is known to be a
417 // heap object). If mode is ALLOW_ELEMENT_TRANSITION_MAPS, then also match 389 // heap object). If mode is ALLOW_ELEMENT_TRANSITION_MAPS, then also match
418 // against maps that are ElementsKind transition maps of the specified map. 390 // against maps that are ElementsKind transition maps of the specified map.
419 void CheckMap(Register obj, Handle<Map> map, Label* fail, 391 void CheckMap(Register obj, Handle<Map> map, Label* fail,
420 SmiCheckType smi_check_type); 392 SmiCheckType smi_check_type);
421 393
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936 // AllocationMemento support. Arrays may have an associated 908 // AllocationMemento support. Arrays may have an associated
937 // AllocationMemento object that can be checked for in order to pretransition 909 // AllocationMemento object that can be checked for in order to pretransition
938 // to another type. 910 // to another type.
939 // On entry, receiver_reg should point to the array object. 911 // On entry, receiver_reg should point to the array object.
940 // scratch_reg gets clobbered. 912 // scratch_reg gets clobbered.
941 // If allocation info is present, conditional code is set to equal. 913 // If allocation info is present, conditional code is set to equal.
942 void TestJSArrayForAllocationMemento(Register receiver_reg, 914 void TestJSArrayForAllocationMemento(Register receiver_reg,
943 Register scratch_reg, 915 Register scratch_reg,
944 Label* no_memento_found); 916 Label* no_memento_found);
945 917
946 void JumpIfJSArrayHasAllocationMemento(Register receiver_reg,
947 Register scratch_reg,
948 Label* memento_found) {
949 Label no_memento_found;
950 TestJSArrayForAllocationMemento(receiver_reg, scratch_reg,
951 &no_memento_found);
952 j(equal, memento_found);
953 bind(&no_memento_found);
954 }
955
956 // Jumps to found label if a prototype map has dictionary elements.
957 void JumpIfDictionaryInPrototypeChain(Register object, Register scratch0,
958 Register scratch1, Label* found);
959
960 private: 918 private:
961 bool generating_stub_; 919 bool generating_stub_;
962 bool has_frame_; 920 bool has_frame_;
963 // This handle will be patched with the code object on installation. 921 // This handle will be patched with the code object on installation.
964 Handle<Object> code_object_; 922 Handle<Object> code_object_;
965 923
966 // Helper functions for generating invokes. 924 // Helper functions for generating invokes.
967 void InvokePrologue(const ParameterCount& expected, 925 void InvokePrologue(const ParameterCount& expected,
968 const ParameterCount& actual, Label* done, 926 const ParameterCount& actual, Label* done,
969 bool* definitely_mismatches, InvokeFlag flag, 927 bool* definitely_mismatches, InvokeFlag flag,
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1053 inline Operand NativeContextOperand() { 1011 inline Operand NativeContextOperand() {
1054 return ContextOperand(esi, Context::NATIVE_CONTEXT_INDEX); 1012 return ContextOperand(esi, Context::NATIVE_CONTEXT_INDEX);
1055 } 1013 }
1056 1014
1057 #define ACCESS_MASM(masm) masm-> 1015 #define ACCESS_MASM(masm) masm->
1058 1016
1059 } // namespace internal 1017 } // namespace internal
1060 } // namespace v8 1018 } // namespace v8
1061 1019
1062 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ 1020 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_
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