[LLVMbugs] [Bug 7499] New: Invalid mls instruction generated in thumb2 mode

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Jun 25 13:01:37 PDT 2010


           Summary: Invalid mls instruction generated in thumb2 mode
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: sharparrow1 at yahoo.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=5114)
 --> (http://llvm.org/bugs/attachment.cgi?id=5114)

To reproduce:
1. Run attached through llc with no arguments.
2. Run result through ARM binutils as with no arguments.

Expected result:
File compiles.

Actual result:
/tmp/gccbad2.s: Assembler messages:
/tmp/gccbad2.s:152: Error: r13 not allowed here -- `mls r0,r9,r0,sp'

Using binutils 2.20.1 targeting ARM on x86-64 Linux.

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