blob: 848d7aad587c129f67b3090115d3d2f8c31c1def [file] [log] [blame]
// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
namespace ic {
// --- The public interface (forwards to the actual implementation).
@export
macro CollectCallFeedback(
maybeTarget: JSAny, context: Context,
maybeFeedbackVector: Undefined|FeedbackVector, slotId: uintptr): void {
callable::CollectCallFeedback(
maybeTarget, context, maybeFeedbackVector, slotId);
}
@export
macro CollectInstanceOfFeedback(
maybeTarget: JSAny, context: Context,
maybeFeedbackVector: Undefined|FeedbackVector, slotId: uintptr): void {
callable::CollectInstanceOfFeedback(
maybeTarget, context, maybeFeedbackVector, slotId);
}
@export
macro CollectConstructFeedback(implicit context: Context)(
target: JSAny, newTarget: JSAny,
maybeFeedbackVector: Undefined|FeedbackVector,
slotId: uintptr): never labels ConstructGeneric,
ConstructArray(AllocationSite) {
callable::CollectConstructFeedback(
target, newTarget, maybeFeedbackVector, slotId)
otherwise ConstructGeneric, ConstructArray;
}
// --- Common functionality.
extern macro MegamorphicSymbolConstant(): Symbol;
extern macro UninitializedSymbolConstant(): Symbol;
const kMegamorphicSymbol: Symbol = MegamorphicSymbolConstant();
const kUninitializedSymbol: Symbol = UninitializedSymbolConstant();
macro IsMegamorphic(feedback: MaybeObject): bool {
return TaggedEqual(feedback, kMegamorphicSymbol);
}
macro IsUninitialized(feedback: MaybeObject): bool {
return TaggedEqual(feedback, kUninitializedSymbol);
}
extern macro LoadFeedbackVectorSlot(FeedbackVector, uintptr): MaybeObject;
extern operator '[]' macro LoadFeedbackVectorSlot(
FeedbackVector, intptr): MaybeObject;
extern macro StoreFeedbackVectorSlot(
FeedbackVector, uintptr, MaybeObject): void;
extern macro StoreWeakReferenceInFeedbackVector(
FeedbackVector, uintptr, HeapObject): MaybeObject;
extern macro ReportFeedbackUpdate(FeedbackVector, uintptr, constexpr string);
extern operator '.length_intptr' macro LoadFeedbackVectorLength(FeedbackVector):
intptr;
} // namespace ic