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Issue 650073002: vector-based ICs did not update type feedback counts correctly. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Ports. Created 6 years, 2 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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_ARM64 7 #if V8_TARGET_ARCH_ARM64
8 8
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
(...skipping 3023 matching lines...) Expand 10 before | Expand all | Expand 10 after
3034 __ bind(&wrap); 3034 __ bind(&wrap);
3035 EmitWrapCase(masm, argc, &cont); 3035 EmitWrapCase(masm, argc, &cont);
3036 } 3036 }
3037 3037
3038 __ bind(&extra_checks_or_miss); 3038 __ bind(&extra_checks_or_miss);
3039 Label miss; 3039 Label miss;
3040 3040
3041 __ JumpIfRoot(x4, Heap::kmegamorphic_symbolRootIndex, &slow_start); 3041 __ JumpIfRoot(x4, Heap::kmegamorphic_symbolRootIndex, &slow_start);
3042 __ JumpIfRoot(x4, Heap::kuninitialized_symbolRootIndex, &miss); 3042 __ JumpIfRoot(x4, Heap::kuninitialized_symbolRootIndex, &miss);
3043 3043
3044 if (!FLAG_trace_ic) {
3045 // We are going megamorphic. If the feedback is a JSFunction, it is fine
3046 // to handle it here. More complex cases are dealt with in the runtime.
3047 __ AssertNotSmi(x4);
3048 __ JumpIfNotObjectType(x4, x5, x5, JS_FUNCTION_TYPE, &miss);
3049 __ Add(x4, feedback_vector,
3050 Operand::UntagSmiAndScale(index, kPointerSizeLog2));
3051 __ LoadRoot(x5, Heap::kmegamorphic_symbolRootIndex);
3052 __ Str(x5, FieldMemOperand(x4, FixedArray::kHeaderSize));
3053 __ B(&slow_start);
3054 }
3055
3056 // We are here because tracing is on or we are going monomorphic. 3044 // We are here because tracing is on or we are going monomorphic.
3057 __ bind(&miss); 3045 __ bind(&miss);
3058 GenerateMiss(masm); 3046 GenerateMiss(masm);
3059 3047
3060 // the slow case 3048 // the slow case
3061 __ bind(&slow_start); 3049 __ bind(&slow_start);
3062 3050
3063 // Check that the function is really a JavaScript function. 3051 // Check that the function is really a JavaScript function.
3064 __ JumpIfSmi(function, &non_function); 3052 __ JumpIfSmi(function, &non_function);
3065 3053
(...skipping 1994 matching lines...) Expand 10 before | Expand all | Expand 10 after
5060 MemOperand(fp, 6 * kPointerSize), 5048 MemOperand(fp, 6 * kPointerSize),
5061 NULL); 5049 NULL);
5062 } 5050 }
5063 5051
5064 5052
5065 #undef __ 5053 #undef __
5066 5054
5067 } } // namespace v8::internal 5055 } } // namespace v8::internal
5068 5056
5069 #endif // V8_TARGET_ARCH_ARM64 5057 #endif // V8_TARGET_ARCH_ARM64
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