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Issue 871063002: Use a trampoline stub to load the type feedback vector for CallICs. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Ports. Created 5 years, 11 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_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/code-factory.h" 9 #include "src/code-factory.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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2898 ZoneList<Expression*>* args = expr->arguments(); 2898 ZoneList<Expression*>* args = expr->arguments();
2899 int arg_count = args->length(); 2899 int arg_count = args->length();
2900 { PreservePositionScope scope(masm()->positions_recorder()); 2900 { PreservePositionScope scope(masm()->positions_recorder());
2901 for (int i = 0; i < arg_count; i++) { 2901 for (int i = 0; i < arg_count; i++) {
2902 VisitForStackValue(args->at(i)); 2902 VisitForStackValue(args->at(i));
2903 } 2903 }
2904 } 2904 }
2905 2905
2906 // Record source position of the IC call. 2906 // Record source position of the IC call.
2907 SetSourcePosition(expr->position()); 2907 SetSourcePosition(expr->position());
2908 Handle<Code> ic = CallIC::initialize_stub( 2908 Handle<Code> ic = CodeFactory::CallIC(isolate(), arg_count, call_type).code();
2909 isolate(), arg_count, call_type);
2910 __ Move(rdx, SmiFromSlot(expr->CallFeedbackSlot())); 2909 __ Move(rdx, SmiFromSlot(expr->CallFeedbackSlot()));
2911 __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize)); 2910 __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize));
2912 // Don't assign a type feedback id to the IC, since type feedback is provided 2911 // Don't assign a type feedback id to the IC, since type feedback is provided
2913 // by the vector above. 2912 // by the vector above.
2914 CallIC(ic); 2913 CallIC(ic);
2915 2914
2916 RecordJSReturnSite(expr); 2915 RecordJSReturnSite(expr);
2917 2916
2918 // Restore context register. 2917 // Restore context register.
2919 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 2918 __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset));
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5302 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 5301 DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
5303 Assembler::target_address_at(call_target_address, 5302 Assembler::target_address_at(call_target_address,
5304 unoptimized_code)); 5303 unoptimized_code));
5305 return OSR_AFTER_STACK_CHECK; 5304 return OSR_AFTER_STACK_CHECK;
5306 } 5305 }
5307 5306
5308 5307
5309 } } // namespace v8::internal 5308 } } // namespace v8::internal
5310 5309
5311 #endif // V8_TARGET_ARCH_X64 5310 #endif // V8_TARGET_ARCH_X64
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