Also, copying hints can be removed from literals. Shallow
copying wasn't used for some time, because of the
way we treat mutable heap numbers.
Change-Id: Ieeba44a9f8e80c4183af8f4751f68dd3a542532e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3009230
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75717}
With bytecode flushing and lazy feedback allocation, we need to call
%PrepareForOptimization before we call %OptimizeFunctionOnNextCall,
ideally after declaring the function.
Bug: v8:8801, v8:8394, v8:9183
Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62119}
This enables constant field tracking unconditionally.
TBR=jgruber@chromium.org
Bug: v8:8361
Change-Id: I02f35827d860c3e0f18a3d55cb156c088d48bc94
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1585730
Commit-Queue: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61055}
This CL includes runtime and IC parts of the tracking. It is controlled by
compile-time flag FLAG_constant_field_tracking and currently disabled.
Transition from kConst to kMutable still involves map deprecation.
BUG=v8:5495
Review-Url: https://codereview.chromium.org/2598543003
Cr-Commit-Position: refs/heads/master@{#43081}