[all-commits] [llvm/llvm-project] 4b48c3: [AArch64][SVE2] Add the SVE2.1 shift-and-narrow in...

[david-arm via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4b48c3993be08f1a330dfb91def82baf6efdb544
      https://github.com/llvm/llvm-project/commit/4b48c3993be08f1a330dfb91def82baf6efdb544
  Author: David Sherwood <david.sherwood at arm.com>
  Date:   2022-10-31 (Mon, 31 Oct 2022)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/MC/AArch64/SVE2p1/sqrshrn-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p1/sqrshrn.s
    A llvm/test/MC/AArch64/SVE2p1/sqrshrun-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p1/sqrshrun.s
    A llvm/test/MC/AArch64/SVE2p1/uqrshrn-diagnostics.s
    A llvm/test/MC/AArch64/SVE2p1/uqrshrn.s

  Log Message:
  -----------
  [AArch64][SVE2] Add the SVE2.1 shift-and-narrow instructions

This patch adds the assembly/disassembly for the following instructions:

sqrshrn  : Signed saturating rounding shift right narrow by immediate and interleave
sqrshrun : Signed saturating rounding shift right unsigned narrow by immediate and interleave
uqrshrn  : Unsigned saturating rounding shift right narrow by immediate and interleave

The reference can be found here:
https://developer.arm.com/documentation/ddi0602/2022-09

Differential Revision: https://reviews.llvm.org/D136690