SVE Instruction List by Dougall Johnson
See "REVB, REVH, REVW" in the exploration tools

REVH: Reverse halfwords within elements (predicated)

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

128-bit SVE

Within each 64-bit element from (1), reverse the order of the 16-bit values, setting (2) to the result.

256-bit SVE

Within each 64-bit element from (1), reverse the order of the 16-bit values, setting (2) to the result.

512-bit SVE

Within each 64-bit element from (1), reverse the order of the 16-bit values, setting (2) to the result.

Larger sizes

1024-bit SVE

Within each 64-bit element from (1), reverse the order of the 16-bit values, setting (2) to the result.

2048-bit SVE

Within each 64-bit element from (1), reverse the order of the 16-bit values, setting (2) to the result.

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