SVE Instruction List by Dougall Johnson
# SMLALT (vectors): Signed multiply-add long to accumulator (top)

SMLALT Zda.D, Zn.S, Zm.S (SVE2 (SME

svint64_t svmlalt[_s64](svint64_t op1, svint32_t op2, svint32_t op3)

## 128-bit SVE

For each odd signed 32-bit integer calculate (1) * (2), and add that to the 64-bit integer from (3), then set (4) to the result.

## 256-bit SVE

For each odd signed 32-bit integer calculate (1) * (2), and add that to the 64-bit integer from (3), then set (4) to the result.

## 512-bit SVE

For each odd signed 32-bit integer calculate (1) * (2), and add that to the 64-bit integer from (3), then set (4) to the result.

## Larger sizes

## 1024-bit SVE

For each odd signed 32-bit integer calculate (1) * (2), and add that to the 64-bit integer from (3), then set (4) to the result.

## 2048-bit SVE

For each odd signed 32-bit integer calculate (1) * (2), and add that to the 64-bit integer from (3), then set (4) to the result.

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