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

DUPQ: Broadcast indexed element within each quadword vector segment (unpredicated)

DUPQ Zd.H, Zn.H[imm] (SVE2.1 (SME2.1

128-bit SVE

Within each 128-bit segment, set all 16-bit lanes of (2) to the element from (1) specified by imm.

256-bit SVE

Within each 128-bit segment, set all 16-bit lanes of (2) to the element from (1) specified by imm.

512-bit SVE

Within each 128-bit segment, set all 16-bit lanes of (2) to the element from (1) specified by imm.

Larger sizes

1024-bit SVE

Within each 128-bit segment, set all 16-bit lanes of (2) to the element from (1) specified by imm.

2048-bit SVE

Within each 128-bit segment, set all 16-bit lanes of (2) to the element from (1) specified by imm.

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