[llvm-bugs] [Bug 42541] New: PowerPC integrated as - missing instructions mulldo, addo and subfo

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=42541

            Bug ID: 42541
           Summary: PowerPC integrated as - missing instructions mulldo,
                    addo and subfo
           Product: libraries
           Version: 8.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs at nondot.org
          Reporter: alfredo.junior at eldorado.org.br
                CC: llvm-bugs at lists.llvm.org, nemanja.i.ibm at gmail.com

I'm trying to build ports/lang/ghc with LLVM 8.0.1 and found that clang doesn't
understand mulldo, addo and subfo.

These instructions are generated by GHC
(https://github.com/ghc/ghc/blob/ghc-8.6/compiler/nativeGen/PPC/Ppr.hs#L693)
and currently GCC/AS implements them.

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