[LLVMbugs] [Bug 19100] New: PowerPC -integrated-as should enable by default, or at least support, -many

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Mon Mar 10 13:16:46 PDT 2014


            Bug ID: 19100
           Summary: PowerPC -integrated-as should enable by default, or at
                    least support, -many
           Product: libraries
           Version: trunk
          Hardware: Macintosh
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: chmeeedalf at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

The FreeBSD kernel uses altivec instructions, specifically 'dssall' in
inline-asm.  gcc is able to compile it by passing -Wa,-many, but this is
ignored (and refused, as of 3.4) by clang.  Clang should provide some way to
support the entire range of powerpc instructions, regardless of target, in the
inline assembler.

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