[LLVMbugs] [Bug 7813] New: "Cannot yet select" error when using Gallium (Mesa master)

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Wed Aug 4 13:14:27 PDT 2010


           Summary: "Cannot yet select" error when using Gallium (Mesa
           Product: new-bugs
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: steckdenis at logram-project.org
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=5322)
 --> (http://llvm.org/bugs/attachment.cgi?id=5322)
LLVM's SelectionDAG when trying to run Neverball with r300g


I use LLVM svn 110215 and Clang svn 110239 to compile my programs, and to try
to run 3D applications using the r300g ATI driver from the Mesa project.

Mesa uses LLVM to do runtime code generation. My problem is that it fails for
about four months with a "Cannot yet select" error. I attached the output
produced by LLVM (lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:2562) to this
bug. If I recall correctly, I was never able to launch any 3D app on my
computer using the r300g driver.

I use an AMD Athlon L110 processor, with MMX, 3DNOW, SSE and SSE2 (no SSE3), in
X86_64 mode. I also attached my /proc/cpuinfo file. I run Linux 2.6.35 on
ArchLinux. My graphics card is an ATI Radeon X1270 (RS690).

Uname -a : Linux my-laptop 2.6.35 #11 SMP PREEMPT Wed Aug 4 11:47:54 CEST 2010
x86_64 AMD Athlon(tm) Processor L110 AuthenticAMD GNU/Linux


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