[Webkit-unassigned] [Bug 271412] [JSC] Add a conversion in B3ReduceStrength for the canonical form of the SBFX Pattern detected in B3LowerToAir

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 21 14:11:33 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=271412

--- Comment #2 from Yijia Huang <yijia_huang at apple.com> ---
Oops, I mean

from: (src << amount) >> (amount + lsb) // SBFX_width = dataszize - (amount + lsb)
to: ((src >> lsb) << amount) >> amount  // SBFX_width = dataszize - amount

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