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src/jdk.incubator.vector/share/classes/jdk/incubator/vector/ByteVector.java

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*** 114,123 **** --- 114,143 ---- return VectorIntrinsics.broadcastCoerced((Class<ByteVector>) species.vectorType(), byte.class, species.length(), 0, species, ((bits, s) -> ((ByteSpecies)s).op(i -> (byte)bits))); } + @ForceInline + @SuppressWarnings("unchecked") + static VectorShuffle<Byte> shuffleIotaHelper(VectorSpecies<Byte> species, int step) { + switch (species.bitSize()) { + case 64: return VectorIntrinsics.shuffleIota(byte.class, Byte64Vector.Byte64Shuffle.class, species, + 64 / Byte.SIZE, step, + (val, l) -> new Byte64Vector.Byte64Shuffle(i -> ((i + val) & (l-1)))); + case 128: return VectorIntrinsics.shuffleIota(byte.class, Byte128Vector.Byte128Shuffle.class, species, + 128/ Byte.SIZE, step, + (val, l) -> new Byte128Vector.Byte128Shuffle(i -> ((i + val) & (l-1)))); + case 256: return VectorIntrinsics.shuffleIota(byte.class, Byte256Vector.Byte256Shuffle.class, species, + 256/ Byte.SIZE, step, + (val, l) -> new Byte256Vector.Byte256Shuffle(i -> ((i + val) & (l-1)))); + case 512: return VectorIntrinsics.shuffleIota(byte.class, Byte512Vector.Byte512Shuffle.class, species, + 512 / Byte.SIZE, step, + (val, l) -> new Byte512Vector.Byte512Shuffle(i -> ((i + val) & (l-1)))); + default: throw new IllegalArgumentException(Integer.toString(species.bitSize())); + } + } + /** * Loads a vector from a byte array starting at an offset. * <p> * Bytes are composed into primitive lane elements according to the * native byte order of the underlying platform
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