SVE Instruction List by Dougall Johnson
# UABALB: Unsigned absolute difference and accumulate long (bottom)

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

svuint64_t svabalb[_u64](svuint64_t op1, svuint32_t op2, svuint32_t op3)

## 128-bit SVE

For each even unsigned 32-bit integer calculate abs( (1) − (2) ), and add that to the 64-bit integer from (3), then set (4) to the result.

## 256-bit SVE

For each even unsigned 32-bit integer calculate abs( (1) − (2) ), and add that to the 64-bit integer from (3), then set (4) to the result.

## 512-bit SVE

For each even unsigned 32-bit integer calculate abs( (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 even unsigned 32-bit integer calculate abs( (1) − (2) ), and add that to the 64-bit integer from (3), then set (4) to the result.

## 2048-bit SVE

For each even unsigned 32-bit integer calculate abs( (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.