See "UDOT (4-way, vectors)" in the exploration tools

UDOT (4-way, vectors): Unsigned integer dot product

UDOT Zda.S, Zn.B, Zm.B (SVE (SME

svuint32_t svdot[_u32](svuint32_t op1, svuint8_t op2, svuint8_t op3)

128-bit SVE

For each group of four unsigned 8-bit integers from (1) and (2), compute the dot-product, then add the result to the corresponding 32-bit integer accumulator from (3), setting (4) to the total.

256-bit SVE

For each group of four unsigned 8-bit integers from (1) and (2), compute the dot-product, then add the result to the corresponding 32-bit integer accumulator from (3), setting (4) to the total.

512-bit SVE

For each group of four unsigned 8-bit integers from (1) and (2), compute the dot-product, then add the result to the corresponding 32-bit integer accumulator from (3), setting (4) to the total.

Larger sizes

1024-bit SVE

For each group of four unsigned 8-bit integers from (1) and (2), compute the dot-product, then add the result to the corresponding 32-bit integer accumulator from (3), setting (4) to the total.

2048-bit SVE

For each group of four unsigned 8-bit integers from (1) and (2), compute the dot-product, then add the result to the corresponding 32-bit integer accumulator from (3), setting (4) to the total.

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