[LLVMbugs] [Bug 16587] New: Support for .cfi_startproc simple

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16587

            Bug ID: 16587
           Summary: Support for .cfi_startproc simple
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: artagnon at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

According to the GNU as documentation [1], .cfi_startproc simple is a valid
directive.  Unfortunately, LLVM complains with:

  error: invalid instruction mnemonic 'simple'

I happened to notice it while attempting to compile linux.git with clang: see
arch/x86/ia32/ia32entry.S:75.

[1]: http://sourceware.org/binutils/docs-2.22/as/Pseudo-Ops.html#Pseudo-Ops

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