• Z Nguyen-Huu's avatar
    Implement fastpath for proxy trap setPrototypeOf · fc8c4ef2
    Z Nguyen-Huu authored
    ObjectSetPrototypeOf and ReflectSetPrototypeOf 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:
    SetPrototypeOfWithoutTrap-Proxies(Score): 120
    SetPrototypeOfWithTrap-Proxies(Score): 112
    
    After:
    SetPrototypeOfWithoutTrap-Proxies(Score): 131
    SetPrototypeOfWithTrap-Proxies(Score): 127
    
    Bug: v8:6664
    Change-Id: I630096e1964c91d1ec39e19f380a2e9e948de4bb
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1669787
    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@{#62402}
    fc8c4ef2
proxy-get-prototype-of.tq 2.64 KB