SVE Instruction List by Dougall Johnson
FMLALLTT (vectors): 8-bit floating-point multiply-add to single-precision (top top)
FMLALLTT Zda.S, Zn.B, Zm.B (SVE2+FP8FMA+NS (SSVE-FP8FMA
128-bit SVE

For each 32-bit float element of (4), multiply the 8-bit floats at byte position 3 of the corresponding 4-byte groups in (1) and (2), and add the product to the 32-bit float accumulator (3). The FP8 format for each 8-bit source operand is selected independently by FPMR.
256-bit SVE

For each 32-bit float element of (4), multiply the 8-bit floats at byte position 3 of the corresponding 4-byte groups in (1) and (2), and add the product to the 32-bit float accumulator (3). The FP8 format for each 8-bit source operand is selected independently by FPMR.
512-bit SVE

For each 32-bit float element of (4), multiply the 8-bit floats at byte position 3 of the corresponding 4-byte groups in (1) and (2), and add the product to the 32-bit float accumulator (3). The FP8 format for each 8-bit source operand is selected independently by FPMR.
Larger sizes
1024-bit SVE

For each 32-bit float element of (4), multiply the 8-bit floats at byte position 3 of the corresponding 4-byte groups in (1) and (2), and add the product to the 32-bit float accumulator (3). The FP8 format for each 8-bit source operand is selected independently by FPMR.
2048-bit SVE

For each 32-bit float element of (4), multiply the 8-bit floats at byte position 3 of the corresponding 4-byte groups in (1) and (2), and add the product to the 32-bit float accumulator (3). The FP8 format for each 8-bit source operand is selected independently by FPMR.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.