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.D, Pg/M, Xn (SVE (SME
svfloat64_t svdup[_n]_f64_m(svfloat64_t inactive, svbool_t pg, float64_t op)
svint64_t svdup[_n]_s64_m(svint64_t inactive, svbool_t pg, int64_t op)
svuint64_t svdup[_n]_u64_m(svuint64_t inactive, svbool_t pg, uint64_t op)

128-bit SVE

Set all 64-bit lanes of (2) to (1).

256-bit SVE

Set all 64-bit lanes of (2) to (1).

512-bit SVE

Set all 64-bit lanes of (2) to (1).

Larger sizes

1024-bit SVE

Set all 64-bit lanes of (2) to (1).

2048-bit SVE

Set all 64-bit lanes of (2) to (1).

Report mistakes or give feedback
Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.