SVE Instruction List by Dougall Johnson
See "SQXTNT" in the exploration tools

SQXTNT: Signed saturating extract narrow (top)

SQXTNT Zd.B, Zn.H (SVE2 (SME
svint8_t svqxtnt[_s16](svint8_t even, svint16_t op)

128-bit SVE

For each signed 16-bit integer set the odd 8-bit elements of (2) to (1), with signed saturation to 0x7F or −0x80, preserving even elements.

256-bit SVE

For each signed 16-bit integer set the odd 8-bit elements of (2) to (1), with signed saturation to 0x7F or −0x80, preserving even elements.

512-bit SVE

For each signed 16-bit integer set the odd 8-bit elements of (2) to (1), with signed saturation to 0x7F or −0x80, preserving even elements.

Larger sizes

1024-bit SVE

For each signed 16-bit integer set the odd 8-bit elements of (2) to (1), with signed saturation to 0x7F or −0x80, preserving even elements.

2048-bit SVE

For each signed 16-bit integer set the odd 8-bit elements of (2) to (1), with signed saturation to 0x7F or −0x80, preserving even elements.

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