SVE Instruction List by Dougall Johnson
BFMLA (indexed): BFloat16 fused multiply-add by indexed element
BFMLA Zda.H, Zn.H, Zm.H[imm] (SVE2+B16B16+NS (SME2+B16B16
128-bit SVE

Within each 128-bit segment, for each BFloat16, set (4) to the element from (1) specified by imm, multiplied by (2), plus (3).
256-bit SVE

Within each 128-bit segment, for each BFloat16, set (4) to the element from (1) specified by imm, multiplied by (2), plus (3).
512-bit SVE

Within each 128-bit segment, for each BFloat16, set (4) to the element from (1) specified by imm, multiplied by (2), plus (3).
Larger sizes
1024-bit SVE

Within each 128-bit segment, for each BFloat16, set (4) to the element from (1) specified by imm, multiplied by (2), plus (3).
2048-bit SVE

Within each 128-bit segment, for each BFloat16, set (4) to the element from (1) specified by imm, multiplied by (2), plus (3).
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.