[Webkit-unassigned] [Bug 146845] New: Tail-Calls: LLint, Baseline JIT and DFG should respect the platform's callee-save register conventions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146845

            Bug ID: 146845
           Summary: Tail-Calls: LLint, Baseline JIT and DFG should respect
                    the platform's callee-save register conventions
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: basile_clement at apple.com
                CC: fpizlo at apple.com, ggaren at apple.com,
                    mark.lam at apple.com, msaboff at apple.com
            Blocks: 146477

This will allow to remove the register preservation thunk when calling non-FTL code from FTL code, since we will already be correctly saving the callee-save registers we use.

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