[LLVMbugs] [Bug 3376] New: Cannot yet select: 0x411b508c: f64 = fneg 0x411b5950

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=3376

           Summary: Cannot yet select: 0x411b508c: f64 = fneg 0x411b5950
           Product: new-bugs
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: howarth at bromo.msbb.uc.edu
                CC: llvmbugs at cs.uiuc.edu


The gfortran compiler in current llvm/llvm-gcc-4.2 ICEs when compiling the
xtarget.f sourcefile of xplor-nih with -O3 -ffast-math. The exact -ffast-math
option causing the ICE appears to be -ffinite-math-only as -ffast-math
-fno-finite-math-only compiles without ICEs. The subroutine causing the ICE
with...

lvm-gfortran -c xtarget_reduced.f -O3 -ffast-math -ffixed-line-length-120
-fno-second-underscore
Cannot yet select: 0x411b508c: f64 = fneg 0x411b5950
xtarget_reduced.f:156: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.

is attached a xtarget-reduced.f.


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