• Z Nguyen-Huu's avatar
    Add fast path for proxy with preventExtensions trap · 8e0ef9b9
    Z Nguyen-Huu authored
    ObjectPreventExtensions and ReflectPreventExtensions are now Torque builtins (previously CPP) and the Proxy path is implemented completely in Torque while everything else calls into runtime (and is thus a bit slower than previously).
    
    Perf improvement in micro-benchmark JSTests/Proxies
    Before:
    PreventExtensionsWithoutTrap-Proxies(Score): 1978
    PreventExtensionsWithTrap-Proxies(Score): 739
    
    After:
    PreventExtensionsWithoutTrap-Proxies(Score): 3017
    PreventExtensionsWithTrap-Proxies(Score): 2044
    
    Bug: v8:6664
    Change-Id: I6505d730cea6b0d197f6f5d0540b39056c8b763d
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1652688
    Commit-Queue: Z Nguyen-Huu <duongn@microsoft.com>
    Reviewed-by: 's avatarJakob Gruber <jgruber@chromium.org>
    Reviewed-by: 's avatarMaya Lekova <mslekova@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#62130}
    8e0ef9b9
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