• Sigurd Schneider's avatar
    Revert "Reland "[builtins] [turbofan] Refactor Float64Pow to use single implementation"" · d691fde3
    Sigurd Schneider authored
    This reverts commit d7def900.
    
    Reason for revert: Breaks UBSan:
    https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20Linux64%20UBSan/4542
    
    Besides undefined behavior, things were looking good!
    
    
    Original change's description:
    > Reland "[builtins] [turbofan] Refactor Float64Pow to use single implementation"
    > 
    > This is a reland of I968a08cef6a6d49350aa79185b2c6fb856d15f23
    > 
    > Original change's description:
    > > [builtins] [turbofan] Refactor Float64Pow to use single implementation
    > >
    > > Remove platform-specific Float64Pow implementations and utils Pow in
    > > favor of a base::ieee754::pow implementation.
    > >
    > > This unifies the implementation of pow for the compiler, wasm, and
    > > runtime.
    > >
    > > Bug: v8:5848, v8:5086
    > > Change-Id: I968a08cef6a6d49350aa79185b2c6fb856d15f23
    > > Reviewed-on: https://chromium-review.googlesource.com/c/1403018
    > > Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
    > > Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
    > > Reviewed-by: Georg Neis <neis@chromium.org>
    > > Reviewed-by: Yang Guo <yangguo@chromium.org>
    > > Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
    > > Cr-Commit-Position: refs/heads/master@{#59229}
    > 
    > Bug: v8:5848, v8:5086
    > Change-Id: I92f22ae03adafd9ad042e8d4bb406cbd5b5fb51e
    > Cq-Include-Trybots: luci.chromium.try:linux_chromium_ubsan_rel_ng
    > Reviewed-on: https://chromium-review.googlesource.com/c/1447854
    > Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
    > Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
    > Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
    > Reviewed-by: Georg Neis <neis@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#59411}
    
    TBR=jkummerow@chromium.org,jarin@chromium.org,neis@chromium.org,jgruber@chromium.org,clemensh@chromium.org,bmeurer@chromium.org,me@gus.host
    
    Change-Id: I65c4bbd3ab7aaa1c396d182467c5a1fe6a639df5
    No-Presubmit: true
    No-Tree-Checks: true
    No-Try: true
    Bug: v8:5848, v8:5086
    Cq-Include-Trybots: luci.chromium.try:linux_chromium_ubsan_rel_ng
    Reviewed-on: https://chromium-review.googlesource.com/c/1456107Reviewed-by: 's avatarSigurd Schneider <sigurds@chromium.org>
    Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#59419}
    d691fde3
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