SVE Instruction List by Dougall Johnson
See "SUNPKHI, SUNPKLO" in the exploration tools

SUNPKLO: Signed unpack and extend low half of vector

SUNPKLO Zd.H, Zn.B (SVE (SME
svint16_t svunpklo[_s16](svint8_t op)

128-bit SVE

Sign extend each 8-bit element from the low half of (1) to 16 bits, writing the results to the 16-bit elements of (2) in the same order.

256-bit SVE

Sign extend each 8-bit element from the low half of (1) to 16 bits, writing the results to the 16-bit elements of (2) in the same order.

512-bit SVE

Sign extend each 8-bit element from the low half of (1) to 16 bits, writing the results to the 16-bit elements of (2) in the same order.

Larger sizes

1024-bit SVE

Sign extend each 8-bit element from the low half of (1) to 16 bits, writing the results to the 16-bit elements of (2) in the same order.

2048-bit SVE

Sign extend each 8-bit element from the low half of (1) to 16 bits, writing the results to the 16-bit elements of (2) in the same order.

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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.