[all-commits] [llvm/llvm-project] 778932: [PowerPC] Turn deprecated altivec prefetch instrs ...

[Nemanja Ivanovic via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 778932c673c28ce5fb75e551f1aa6bb5a542c563
      https://github.com/llvm/llvm-project/commit/778932c673c28ce5fb75e551f1aa6bb5a542c563
  Author: Nemanja Ivanovic <nemanja.i.ibm at gmail.com>
  Date:   2021-07-27 (Tue, 27 Jul 2021)

  Changed paths:
    M llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
    M llvm/test/CodeGen/PowerPC/2007-09-04-AltivecDST.ll

  Log Message:
  -----------
  [PowerPC] Turn deprecated altivec prefetch instrs to nops on AIX

The dst/dstt/dstst/dststt instructions are nop's on all PowerPC
cores that AIX supports. The AIX assembler also does not accept
these mnemonics. Turn them into nop's on AIX (similar to dstall).