[PATCH] D62145: [AArch64][SVE2] Asm: add PMULLB/PMULLT instructions

[Cullen Rhodes via Phabricator via llvm-commits]

c-rhodes created this revision.
c-rhodes added reviewers: sdesmalen, SjoerdMeijer, rovka.
Herald added subscribers: kristof.beyls, tschuett, javed.absar.
Herald added a project: LLVM.
c-rhodes added a parent revision: D62142: [AArch64][SVE2] Asm: add integer add/sub long/wide instructions.

This patch adds support for the polynomial multiplication instructions
PMULLB/PMULLT. The 64-bit source and 128-bit destination element
variants are enabled with crypto extensions (+sve2-aes), similar to the
NEON PMULL2 instruction. All other variants are enabled with +sve2.

The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest


Repository:
  rL LLVM

https://reviews.llvm.org/D62145

Files:
  lib/Target/AArch64/AArch64SVEInstrInfo.td
  lib/Target/AArch64/SVEInstrFormats.td
  test/MC/AArch64/SVE2/pmullb-128-diagnostics.s
  test/MC/AArch64/SVE2/pmullb-128.s
  test/MC/AArch64/SVE2/pmullb-diagnostics.s
  test/MC/AArch64/SVE2/pmullb.s
  test/MC/AArch64/SVE2/pmullt-128-diagnostics.s
  test/MC/AArch64/SVE2/pmullt-128.s
  test/MC/AArch64/SVE2/pmullt-diagnostics.s
  test/MC/AArch64/SVE2/pmullt.s

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