[all-commits] [llvm/llvm-project] bb4da9: [ARM, CDE] Implement predicated Q-register CDE intr...

[Mikhail Maltsev via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: bb4da94e5b5f64ea68197de9be44c7c5a4c91ce7
      https://github.com/llvm/llvm-project/commit/bb4da94e5b5f64ea68197de9be44c7c5a4c91ce7
  Author: Mikhail Maltsev <mikhail.maltsev at arm.com>
  Date:   2020-03-25 (Wed, 25 Mar 2020)

  Changed paths:
    M clang/include/clang/Basic/arm_cde.td
    M clang/test/CodeGen/arm-cde-vec.c
    M llvm/include/llvm/IR/IntrinsicsARM.td
    M llvm/lib/Target/ARM/ARMInstrCDE.td
    M llvm/test/CodeGen/Thumb2/cde-vec.ll

  Log Message:
  -----------
  [ARM,CDE] Implement predicated Q-register CDE intrinsics

Summary:
This patch implements the following CDE intrinsics:

  T __arm_vcx1q_m(int coproc, T inactive, uint32_t imm, mve_pred_t p);
  T __arm_vcx2q_m(int coproc, T inactive, U n, uint32_t imm, mve_pred_t p);
  T __arm_vcx3q_m(int coproc, T inactive, U n, V m, uint32_t imm, mve_pred_t p);

  T __arm_vcx1qa_m(int coproc, T acc, uint32_t imm, mve_pred_t p);
  T __arm_vcx2qa_m(int coproc, T acc, U n, uint32_t imm, mve_pred_t p);
  T __arm_vcx3qa_m(int coproc, T acc, U n, V m, uint32_t imm, mve_pred_t p);

The intrinsics are not part of the released ACLE spec, but internally at
Arm we have reached consensus to add them to the next ACLE release.

Reviewers: simon_tatham, MarkMurrayARM, ostannard, dmgreen

Reviewed By: simon_tatham

Subscribers: kristof.beyls, hiraditya, danielkiss, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D76610