SVE Instruction List by Dougall Johnson
SDOT (2-way, indexed): Signed integer indexed dot product
SDOT Zda.S, Zn.H, Zm.H[imm] (SVE2.1 (SME2
128-bit SVE
For each pair of signed 16-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. Within each 128-bit segment, the pair of values used from (1) is specified by imm.
256-bit SVE
For each pair of signed 16-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. Within each 128-bit segment, the pair of values used from (1) is specified by imm.
512-bit SVE
For each pair of signed 16-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. Within each 128-bit segment, the pair of values used from (1) is specified by imm.
Larger sizes
1024-bit SVE
For each pair of signed 16-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. Within each 128-bit segment, the pair of values used from (1) is specified by imm.
2048-bit SVE
For each pair of signed 16-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. Within each 128-bit segment, the pair of values used from (1) is specified by imm.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.