[LLVMbugs] [Bug 5148] New: bug report

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5148

           Summary: bug report
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: LLVM Codegen
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: hui.chen at arm.com
                CC: llvmbugs at cs.uiuc.edu


version (as a result of clang -v):
clang version 1.0 (http://llvm.org/svn/llvm-project/cfe/trunk 80670)
Target: i386-pc-linux-gnu
Thread model: posix


I wrote the simple code (attached) just to test the support of vector
extension.

The excutable generated by clang crashed because of segmentation fault.
The same code compiled by gcc produced the expected result.

I also "gdb"ed the excutable. I find that the clang compiler failed to produce
the right code for the following lines:

ptrV4x = (v4si *) x;
        ptrV4y = (v4si *) y;
        ptrV4z = (v4si *) z;

cheers
Hui


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