• Santiago Aboy Solanes's avatar
    [CSA][cleanup] TNodify some methods related to prototype and property lookup · 82111e22
    Santiago Aboy Solanes authored
    This is a CL in a string of CLs that aims to TNodify CSA. In particular,
    there were some loads that were done in AnyTagged instead of
    TaggedPointer. TNode-ifying them brings improvement in pointer
    compression since we are able to decompress using the Pointer
    decompression.
    
    TNodified:
     * LoadJSFunctionPrototype
     * TryPrototypeChainLookup
     * OrdinaryHasInstance
    
    Also TNodified loads regarding:
     * FeedbackCell::kValueOffset
     * HeapObject::kMapOffset
     * JSFunction::kSharedFunctionInfoOffset
     * JSFunction::kFeedbackCellOffset
     * Map::kInstanceTypeOffset
     * Map::kInstanceDescriptorsOffset
     * Map::kPrototypeOffset
    
    Drive-by cleanup: StoreJSArrayLength and StoreElements were unused.
    
    Bug: v8:6949, v8:9396
    Change-Id: I89697b5c02490906be1eee63cf3d9e60a1094d48
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1755844
    Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
    Reviewed-by: 's avatarRoss McIlroy <rmcilroy@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#63216}
    82111e22
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