SVE Instruction List by Dougall Johnson
See "SADDWB" in the exploration tools

SADDWB: Signed add wide (bottom)

SADDWB Zd.D, Zn.D, Zm.S (SVE2 (SME
svint64_t svaddwb[_s64](svint64_t op1, svint32_t op2)

128-bit SVE

For each 64-bit and even signed 32-bit integer set (3) to (1) + (2).

256-bit SVE

For each 64-bit and even signed 32-bit integer set (3) to (1) + (2).

512-bit SVE

For each 64-bit and even signed 32-bit integer set (3) to (1) + (2).
Larger sizes

1024-bit SVE

For each 64-bit and even signed 32-bit integer set (3) to (1) + (2).

2048-bit SVE

For each 64-bit and even signed 32-bit integer set (3) to (1) + (2).
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.