[Webkit-unassigned] [Bug 196072] New: [JSC] Fix build after r243232 on unsupported 64bit architectures

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Mar 21 03:33:34 PDT 2019


https://bugs.webkit.org/show_bug.cgi?id=196072

            Bug ID: 196072
           Summary: [JSC] Fix build after r243232 on unsupported 64bit
                    architectures
           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: tpopela at redhat.com

The build was broken due to:

#if CPU(X86_64) && CPU(ADDRESS64)
    static constexpr unsigned s_freeBitsAtTop = 16;
    static constexpr uintptr_t s_maskCompositeValueForPointer = 0x0000fffffffffff8;
#elif CPU(ARM64) && CPU(ADDRESS64)
    static constexpr unsigned s_freeBitsAtTop = 28;
    static constexpr uintptr_t s_maskCompositeValueForPointer = 0x0000000ffffffff8;
#endif

missing the values for other 64bit arches (such as ppc64, ppc64le, s390x). Mark suggested that we should put the code introduced in r243232 behing the USE() flag.

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