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932ce6d2d9
Summary:
Implements the @llvm.aarch64.sve.dupq.lane intrinsic.
As specified in the ACLE, the behaviour of:
svdupq_lane_u64(data, index)
...is identical to:
svtbl(data, svadd_x(svptrue_b64(),
svand_x(svptrue_b64(), svindex_u64(0, 1), 1),
index * 2))
If the index is in the range [0,3], the operation is equivalent
to a single DUP (.q) instruction.
Reviewers: sdesmalen, c-rhodes, cameron.mcinally, efriedma, dancgr, rengolin
Reviewed By: sdesmalen
Subscribers: tschuett, kristof.beyls, hiraditya, rkruppe, psnobl, cfe-commits, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D74734
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