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

RBIT: Reverse bits (predicated)

RBIT Zd.D, Pg/M, Zn.D (SVE (SME
svint64_t svrbit[_s64]_m(svint64_t inactive, svbool_t pg, svint64_t op)
svuint64_t svrbit[_u64]_m(svuint64_t inactive, svbool_t pg, svuint64_t op)

128-bit SVE

For each 64-bit integer set (2) to (1), with the order of the bits reversed.

256-bit SVE

For each 64-bit integer set (2) to (1), with the order of the bits reversed.

512-bit SVE

For each 64-bit integer set (2) to (1), with the order of the bits reversed.

Larger sizes

1024-bit SVE

For each 64-bit integer set (2) to (1), with the order of the bits reversed.

2048-bit SVE

For each 64-bit integer set (2) to (1), with the order of the bits reversed.

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