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Issue 879213003: Load setter from map descriptor instead of embedding it in handler. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: fix arm Created 5 years, 10 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X87 7 #if V8_TARGET_ARCH_X87
8 8
9 #include "src/ic/call-optimization.h" 9 #include "src/ic/call-optimization.h"
10 #include "src/ic/handler-compiler.h" 10 #include "src/ic/handler-compiler.h"
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229 Immediate(the_hole)); 229 Immediate(the_hole));
230 } else { 230 } else {
231 __ cmp(Operand::ForCell(cell), Immediate(the_hole)); 231 __ cmp(Operand::ForCell(cell), Immediate(the_hole));
232 } 232 }
233 __ j(not_equal, miss); 233 __ j(not_equal, miss);
234 } 234 }
235 235
236 236
237 void NamedStoreHandlerCompiler::GenerateStoreViaSetter( 237 void NamedStoreHandlerCompiler::GenerateStoreViaSetter(
238 MacroAssembler* masm, Handle<HeapType> type, Register receiver, 238 MacroAssembler* masm, Handle<HeapType> type, Register receiver,
239 Handle<JSFunction> setter) { 239 Register holder, int accessor_index, int expected_arguments) {
240 // ----------- S t a t e ------------- 240 // ----------- S t a t e -------------
241 // -- esp[0] : return address 241 // -- esp[0] : return address
242 // ----------------------------------- 242 // -----------------------------------
243 { 243 {
244 FrameScope scope(masm, StackFrame::INTERNAL); 244 FrameScope scope(masm, StackFrame::INTERNAL);
245 245
246 // Save value register, so we can restore it later. 246 // Save value register, so we can restore it later.
247 __ push(value()); 247 __ push(value());
248 248
249 if (!setter.is_null()) { 249 if (accessor_index >= 0) {
250 // Call the JavaScript setter with receiver and value on the stack. 250 // Call the JavaScript setter with receiver and value on the stack.
251 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) { 251 if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
252 // Swap in the global receiver. 252 // Swap in the global receiver.
253 __ mov(receiver, 253 __ mov(receiver,
254 FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset)); 254 FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
255 } 255 }
256 __ push(receiver); 256 __ push(receiver);
257 __ push(value()); 257 __ push(value());
258 ParameterCount actual(1); 258 ParameterCount actual(1);
259 ParameterCount expected(setter); 259 ParameterCount expected(expected_arguments);
260 __ InvokeFunction(setter, expected, actual, CALL_FUNCTION, 260 Register scratch = holder;
261 __ mov(scratch, FieldOperand(holder, HeapObject::kMapOffset));
262 __ LoadInstanceDescriptors(scratch, scratch);
263 __ mov(scratch, FieldOperand(scratch, DescriptorArray::GetValueOffset(
264 accessor_index)));
265 __ mov(edi, FieldOperand(scratch, AccessorPair::kSetterOffset));
266 __ InvokeFunction(edi, expected, actual, CALL_FUNCTION,
261 NullCallWrapper()); 267 NullCallWrapper());
262 } else { 268 } else {
263 // If we generate a global code snippet for deoptimization only, remember 269 // If we generate a global code snippet for deoptimization only, remember
264 // the place to continue after deoptimization. 270 // the place to continue after deoptimization.
265 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset()); 271 masm->isolate()->heap()->SetSetterStubDeoptPCOffset(masm->pc_offset());
266 } 272 }
267 273
268 // We have to return the passed value, not the return value of the setter. 274 // We have to return the passed value, not the return value of the setter.
269 __ pop(eax); 275 __ pop(eax);
270 276
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760 // Return the generated code. 766 // Return the generated code.
761 return GetCode(kind(), Code::NORMAL, name); 767 return GetCode(kind(), Code::NORMAL, name);
762 } 768 }
763 769
764 770
765 #undef __ 771 #undef __
766 } 772 }
767 } // namespace v8::internal 773 } // namespace v8::internal
768 774
769 #endif // V8_TARGET_ARCH_X87 775 #endif // V8_TARGET_ARCH_X87
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