[PATCH] D62306: [AArch64][SVE2] Asm: support SVE2 Histogram Computation Groups

[Cullen Rhodes via Phabricator via llvm-commits]

c-rhodes created this revision.
c-rhodes added reviewers: sdesmalen, rovka, SjoerdMeijer, chill.
Herald added subscribers: kristof.beyls, tschuett, javed.absar.
Herald added a project: LLVM.
c-rhodes added a parent revision: D62304: [AArch64][SVE2] Asm: support SVE2 Misc Group.

Patch adds support for the following instructions:

SVE2 histogram generation (segment):

- HISTSEG

SVE2 histogram generation (vector):

- HISTCNT

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


Repository:
  rL LLVM

https://reviews.llvm.org/D62306

Files:
  lib/Target/AArch64/AArch64SVEInstrInfo.td
  lib/Target/AArch64/SVEInstrFormats.td
  test/MC/AArch64/SVE2/histcnt-diagnostics.s
  test/MC/AArch64/SVE2/histcnt.s
  test/MC/AArch64/SVE2/histseg-diagnostics.s
  test/MC/AArch64/SVE2/histseg.s

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