[Webkit-unassigned] [Bug 228919] New: New single bytecode loop for-in is missing many inline asm optimizations

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Aug 9 11:47:43 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=228919

            Bug ID: 228919
           Summary: New single bytecode loop for-in is missing many inline
                    asm optimizations
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: keith_miller at apple.com

With the new bytecode format 32-bit is missing a bunch of inline assembly optimizations. Most of the code should be similar to the 64 bit code or the previous per-loop instructions.

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