[LLVMbugs] [Bug 13948] New: [ppc64] Struct containing a single float/double is not passed correctly per PPC64 ELF ABI

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13948

             Bug #: 13948
           Summary: [ppc64] Struct containing a single float/double is not
                    passed correctly per PPC64 ELF ABI
           Product: libraries
           Version: trunk
          Platform: PC
        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, a struct consisting of just a float,
double, or long double is not passed correctly, either by value or by
reference. 

Example of a failing test from the GCC ABI compatibility test suite:

FAIL: gcc.dg/compat/struct-by-value-19 c_compat_x_alt.o-c_compat_y_tst.o
execute

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