[Webkit-unassigned] [Bug 43089] New: Cleanup JIT related switched in Platform.h

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=43089

           Summary: Cleanup JIT related switched in Platform.h
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


The code the enable to JIT checks every permutation of platform & OS individually, but now the JIT is enabled on the majority much all x86/x86-64/ARM/MIPS systems.  It should be cleaner to just enable by default on these platforms, and explicitly disable on configs that don't aren't supported.

Also, rename ENABLE_JIT_OPTIMIZE_MOD to ENABLE_JIT_USE_SOFT_MODULO.  I always find this confusing since enabling this "optimization" would be possible, but would be a regression on x86/x86-64 systems!  I think it's clearer to reserve "JIT_OPTIMIZE" for compiler technologies applicable to all platforms, and make a more optional behaviour like this a "USE".

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