[LLVMbugs] [Bug 13955] New: [ppc64] Vector parameters are not passed correctly per PPC64 ELF ABI

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13955

             Bug #: 13955
           Summary: [ppc64] Vector parameters are not passed correctly per
                    PPC64 ELF ABI
           Product: libraries
           Version: trunk
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: wschmidt at linux.vnet.ibm.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


For the 64-bit PowerPC SVR4 subtarget, many of the GCC ABI compatibility tests
fail because vector parameters are not (always) passed correctly in vector
registers.

Example failing test in the compatibility test suite:

gcc.dg/compat/vector-2 c_compat_x_tst.o-c_compat_y_alt.o execute

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