SVE Instruction List by Dougall Johnson
See "DUP (scalar)" in the exploration tools

DUP (scalar): Broadcast general-purpose register to vector elements (unpredicated)

DUP Zd.H, Wn (SVE (SME
svbfloat16_t svdup[_n]_bf16(bfloat16_t op)
svfloat16_t svdup[_n]_f16(float16_t op)
svint16_t svdup[_n]_s16(int16_t op)
svuint16_t svdup[_n]_u16(uint16_t op)
svbfloat16_t svdup[_n]_bf16_x(svbool_t pg, bfloat16_t op)
svfloat16_t svdup[_n]_f16_x(svbool_t pg, float16_t op)
svint16_t svdup[_n]_s16_x(svbool_t pg, int16_t op)
svuint16_t svdup[_n]_u16_x(svbool_t pg, uint16_t op)

128-bit SVE

Set all 16-bit lanes of (2) to the low 16-bits of (1).

256-bit SVE

Set all 16-bit lanes of (2) to the low 16-bits of (1).

512-bit SVE

Set all 16-bit lanes of (2) to the low 16-bits of (1).

Larger sizes

1024-bit SVE

Set all 16-bit lanes of (2) to the low 16-bits of (1).

2048-bit SVE

Set all 16-bit lanes of (2) to the low 16-bits of (1).

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