SVE Instruction List by Dougall Johnson
See "UMAX (vectors)" in the exploration tools

UMAX (vectors): Unsigned maximum vectors (predicated)

UMAX Zdn.D, Pg/M, Zdn.D, Zm.D (SVE (SME
svuint64_t svmax[_u64]_m(svbool_t pg, svuint64_t op1, svuint64_t op2)

128-bit SVE

For each unsigned 64-bit integer compare (1) and (2) and set (3) to the maximum.

256-bit SVE

For each unsigned 64-bit integer compare (1) and (2) and set (3) to the maximum.

512-bit SVE

For each unsigned 64-bit integer compare (1) and (2) and set (3) to the maximum.
Larger sizes

1024-bit SVE

For each unsigned 64-bit integer compare (1) and (2) and set (3) to the maximum.

2048-bit SVE

For each unsigned 64-bit integer compare (1) and (2) and set (3) to the maximum.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.