[PATCH] D136689: [AArch64][SVE2] Add the SVE2.1 extract-and-narrow instructions

[David Sherwood via Phabricator via llvm-commits]

david-arm created this revision.
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This patch adds the assembly/disassembly for the following instructions:

sqcvtn  : Signed saturating extract narrow and interleave
sqcvtun : Signed saturating unsigned extract narrow and interleave
uqcvtn  : Unsigned saturating extract narrow and interleave

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


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D136689

Files:
  llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
  llvm/lib/Target/AArch64/SVEInstrFormats.td
  llvm/test/MC/AArch64/SVE2p1/sqcvtn-diagnostics.s
  llvm/test/MC/AArch64/SVE2p1/sqcvtn.s
  llvm/test/MC/AArch64/SVE2p1/sqcvtun-diagnostics.s
  llvm/test/MC/AArch64/SVE2p1/sqcvtun.s
  llvm/test/MC/AArch64/SVE2p1/uqcvtn-diagnostics.s
  llvm/test/MC/AArch64/SVE2p1/uqcvtn.s

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