[LLVMbugs] [Bug 20071] New: clang/llvm generates fctiduz instructions for older ppc64 architectures

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20071

            Bug ID: 20071
           Summary: clang/llvm generates fctiduz instructions for older
                    ppc64 architectures
           Product: libraries
           Version: trunk
          Hardware: Macintosh
                OS: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: chmeeedalf at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

clang 3.4 (FreeBSD clang version 3.4 (tags/RELEASE_34/final 197956) 20140216)
miscompiles clang trunk, by generating fctiduz instructions on generic
powerpc64 and ppc970 targets.  This results in a SIGILL when using it to
compile some other projects.

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