SVE Instruction List by Dougall Johnson
See "UMULH (unpredicated)" in the exploration tools

UMULH (unpredicated): Unsigned multiply returning high half (unpredicated)

UMULH Zd.D, Zn.D, Zm.D (SVE2 (SME

128-bit SVE

For each unsigned 64-bit integer set (3) to ( (1) * (2) ) >> 64.

256-bit SVE

For each unsigned 64-bit integer set (3) to ( (1) * (2) ) >> 64.

512-bit SVE

For each unsigned 64-bit integer set (3) to ( (1) * (2) ) >> 64.
Larger sizes

1024-bit SVE

For each unsigned 64-bit integer set (3) to ( (1) * (2) ) >> 64.

2048-bit SVE

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