[LLVMbugs] [Bug 12296] New: Illegal instruction on starting clang 3.0 on AMD Athlon XP1700+

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sat Mar 17 18:53:00 PDT 2012


http://llvm.org/bugs/show_bug.cgi?id=12296

             Bug #: 12296
           Summary: Illegal instruction on starting clang 3.0 on AMD
                    Athlon XP1700+
           Product: clang
           Version: 3.0
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: richard at rstonehouse.co.uk
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Created attachment 8225
  --> http://llvm.org/bugs/attachment.cgi?id=8225
Gzipped terminal output from clang build

The following versions of clang failed, immediately after launch on my
computer, with 'illegal instruction':

  - llvm-clang-3.0-1.5.1.i586.rpm from openSUSE 12.1 updates repository

  - llvm-clang-2.9.99.svn20111025-1.3.1.i586.rpm from openSUSE 12.1
distribution repository.

Other binaries in the llvm suite failed similarly.

Version 2.9 binaries from:
    http://llvm.org/releases/2.9/clang+llvm-2.9-i686-linux.tgz
work OK on this computer.

Attempting to build clang from the openSUSE source RPM failed 'illegal
instruction' early in stage 2 - apparently when trying to execute one of the
stage 2 binaries llvm-tblgen. Terminal log attached (gzipped).

My machine is:

Richard at southeast:~> cat /proc/cpuinfo
    processor       : 0
    vendor_id       : AuthenticAMD
    cpu family      : 6
    model           : 6
    model name      : AMD Athlon(TM) XP1700+
    stepping        : 2
    cpu MHz         : 1109.871
    cache size      : 256 KB
    fdiv_bug        : no
    hlt_bug         : no
    f00f_bug        : no
    coma_bug        : no
    fpu             : yes
    fpu_exception   : yes
    cpuid level     : 1
    wp              : yes
    flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov
pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow up
    bogomips        : 2219.74
    clflush size    : 32
    cache_alignment : 32
    address sizes   : 34 bits physical, 32 bits virtual
    power management: ts

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