[Webkit-unassigned] [Bug 279934] New: Reduce register usage in IPInt and support JITless calls

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Sep 18 16:21:29 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=279934

            Bug ID: 279934
           Summary: Reduce register usage in IPInt and support JITless
                    calls
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: daniel_liu4 at apple.com
                CC: webkit-bug-importer at group.apple.com

The register usage of IPInt can be cleaned up, lowering register usage by combining PC/PB and MC/MB into just PC and MC. This allows us to clean up the calling logic, and frees up registers. The new IPInt calls can also now be tied into the JITless infrastructure introduced for LLInt.

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