SVE Instruction List by Dougall Johnson
SQDMLALT (vectors): Signed saturating doubling multiply-add long to accumulator (top)
SQDMLALT Zda.H, Zn.B, Zm.B (SVE2 (SME
svint16_t svqdmlalt[_s16](svint16_t op1, svint8_t op2, svint8_t op3)
128-bit SVE
For each odd signed 8-bit integer set the double-width (4) to sat( (3) + sat( (1) * (2) << 1 ) ), with signed saturation to 0x7FFF or −0x8000.
256-bit SVE
For each odd signed 8-bit integer set the double-width (4) to sat( (3) + sat( (1) * (2) << 1 ) ), with signed saturation to 0x7FFF or −0x8000.
512-bit SVE
For each odd signed 8-bit integer set the double-width (4) to sat( (3) + sat( (1) * (2) << 1 ) ), with signed saturation to 0x7FFF or −0x8000.
Larger sizes
1024-bit SVE
For each odd signed 8-bit integer set the double-width (4) to sat( (3) + sat( (1) * (2) << 1 ) ), with signed saturation to 0x7FFF or −0x8000.
2048-bit SVE
For each odd signed 8-bit integer set the double-width (4) to sat( (3) + sat( (1) * (2) << 1 ) ), with signed saturation to 0x7FFF or −0x8000.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.