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

CPY (scalar): Copy general-purpose register to vector elements (predicated)

CPY Zd.S, Pg/M, Wn (SVE (SME
svfloat32_t svdup[_n]_f32_m(svfloat32_t inactive, svbool_t pg, float32_t op)
svint32_t svdup[_n]_s32_m(svint32_t inactive, svbool_t pg, int32_t op)
svuint32_t svdup[_n]_u32_m(svuint32_t inactive, svbool_t pg, uint32_t op)

128-bit SVE

Set all 32-bit lanes of (2) to (1).

256-bit SVE

Set all 32-bit lanes of (2) to (1).

512-bit SVE

Set all 32-bit lanes of (2) to (1).

Larger sizes

1024-bit SVE

Set all 32-bit lanes of (2) to (1).

2048-bit SVE

Set all 32-bit lanes of (2) to (1).

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