[Webkit-unassigned] [Bug 138298] New: [GTK] FTL JIT is not working (does not build and does not run)
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Nov 2 17:59:56 PST 2014
https://bugs.webkit.org/show_bug.cgi?id=138298
Bug ID: 138298
Summary: [GTK] FTL JIT is not working (does not build and does
not run)
Classification: Unclassified
Product: WebKit
Version: 528+ (Nightly build)
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: akiss at inf.u-szeged.hu
CC: cgarcia at igalia.com, pnormand at igalia.com
When trying to enable FTL JIT for GTK (by building with: Tools/Scripts/update-webkitgtk-libs && Tools/Scripts/update-webkitgtk-libs llvm && Tools/Scripts/build-jsc --gtk --ftl-jit), there are several failures.
First, when building, CMake complains about LIBCXXABI:
CMake Error at Source/cmake/OptionsGTK.cmake:317 (find_package):
By not providing "FindLIBCXXABI.cmake" in CMAKE_MODULE_PATH this project
has asked CMake to find a package configuration file provided by
"LIBCXXABI", but CMake did not find one.
If we overcome that, then LLVM bails out with some runtime errors, e.g.:
sunspider-1.0/string-validate-input.js.ftl-eager: jsc: RuntimeDyldELF.cpp:283: void llvm::RuntimeDyldELF::resolveX86_64Relocation(const llvm::SectionEntry &, uint64_t, uint64_t, uint32_t, int64_t, uint64_t): Assertion `RealOffset <= (2147483647) && RealOffset >= (-2147483647-1)' failed.
sunspider-1.0/string-validate-input.js.ftl-eager: Aborted (core dumped)
sunspider-1.0/string-validate-input.js.ftl-eager: ERROR: Unexpected exit code: 134
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