[all-commits] [llvm/llvm-project] b7d41a: [ARM] Make cp10 and cp11 usage a warning

[Stefan Agner via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: b7d41a11cd31388e8b542b2d881f5c9d7130b95e
      https://github.com/llvm/llvm-project/commit/b7d41a11cd31388e8b542b2d881f5c9d7130b95e
  Author: Stefan Agner <stefan at agner.ch>
  Date:   2020-06-24 (Wed, 24 Jun 2020)

  Changed paths:
    M llvm/lib/Target/ARM/ARMBaseInstrInfo.h
    M llvm/lib/Target/ARM/ARMInstrInfo.td
    M llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
    M llvm/test/MC/ARM/coprocessors.s
    M llvm/test/MC/ARM/diagnostics.s

  Log Message:
  -----------
  [ARM] Make cp10 and cp11 usage a warning

The ARM ARM considers p10/p11 valid arguments for MCR/MRC instructions.
MRC instructions with p10 arguments are also used in kernel code which
is shared for different architectures. Turn usage of p10/p11 to warnings
for ARMv7/ARMv8-M.

Reviewers: rengolin, olista01, t.p.northover, efriedma, psmith, simon_tatham

Reviewed By: simon_tatham

Subscribers: hiraditya, danielkiss, jcai19, tpimh, nickdesaulniers, peter.smith, javed.absar, kristof.beyls, jdoerfert, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59733