[PATCH] D150442: [AArch64][SME2/SVE2p1] Add predicate-as-counter intrinsics for pext (multi)

[Sander de Smalen via Phabricator via llvm-commits]

sdesmalen created this revision.
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These intrinsics are used to implement the pext intrinsics that extract
two predicates (mask) from a predicate-as-counter value, e.g.

  __attribute__((arm_streaming))
   svboolx2_t svpext_lane_c8_x2(svcount_t pnn, uint64_t imm);

As described in https://github.com/ARM-software/acle/pull/217


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150442

Files:
  llvm/include/llvm/IR/IntrinsicsAArch64.td
  llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
  llvm/test/CodeGen/AArch64/sve2p1-intrinsics-predicate-as-counter.ll

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