[all-commits] [llvm/llvm-project] ff99f3: [SystemZ/z/OS] Add alias for XPLINK return

Kai Nacke via All-commits all-commits at lists.llvm.org
Fri Feb 11 08:52:48 PST 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ff99f3a5c0b36d49f4be1b990cc7509e897d48c7
  Author: Kai Nacke <kai.nacke at de.ibm.com>
  Date:   2022-02-11 (Fri, 11 Feb 2022)

  Changed paths:
    M llvm/lib/Target/SystemZ/SystemZAsmPrinter.cpp
    M llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp
    M llvm/lib/Target/SystemZ/SystemZInstrInfo.td
    M llvm/lib/Target/SystemZ/SystemZScheduleZ13.td
    M llvm/lib/Target/SystemZ/SystemZScheduleZ14.td
    M llvm/lib/Target/SystemZ/SystemZScheduleZ15.td
    M llvm/lib/Target/SystemZ/SystemZScheduleZ196.td
    M llvm/lib/Target/SystemZ/SystemZScheduleZEC12.td

  Log Message:
  [SystemZ/z/OS] Add alias for XPLINK return

The XPLINK return `b 2(7)` has size 4 bytes, while the Linux return
`br 7` only has size 2 bytes. Thus a new alias is required to have correct
instruction byte count. It also fixes the conditional return code.

Reviewed By: uweigand

Differential Revision: https://reviews.llvm.org/D119437

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