[LLVMbugs] [Bug 4567] New: Invalid assembly produced due to unified syntax emission

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=4567

           Summary: Invalid assembly produced due to unified syntax emission
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Backend: ARM
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: asl at math.spbu.ru
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=3203)
 --> (http://llvm.org/bugs/attachment.cgi?id=3203)
Test bytecode

Consider the attached bytecode.

I'm having the following assembler error:

$ arm-elf-gcc gets-chk.S.s -c -march=armv6
gets-chk.S.s: Assembler messages:
gets-chk.S.s:128: Error: lo register required -- `subs sp,#12'

This seems to be fallout from recent switch to unified syntax. This breaks
llvm-gcc build in thumb mode as well.


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