SVE Instruction List by Dougall Johnson
See "SQADD (vectors, unpredicated)" in the exploration tools

SQADD (vectors, unpredicated): Signed saturating add vectors (unpredicated)

SQADD Zd.D, Zn.D, Zm.D (SVE (SME
svint64_t svqadd[_s64](svint64_t op1, svint64_t op2)
svint64_t svqadd[_s64]_x(svbool_t pg, svint64_t op1, svint64_t op2)

128-bit SVE

For each 64-bit integer set (3) to (1) + (2), with signed saturation to 0x7FFFFFFFFFFFFFFF or −0x8000000000000000 on overflow.

256-bit SVE

For each 64-bit integer set (3) to (1) + (2), with signed saturation to 0x7FFFFFFFFFFFFFFF or −0x8000000000000000 on overflow.

512-bit SVE

For each 64-bit integer set (3) to (1) + (2), with signed saturation to 0x7FFFFFFFFFFFFFFF or −0x8000000000000000 on overflow.

Larger sizes

1024-bit SVE

For each 64-bit integer set (3) to (1) + (2), with signed saturation to 0x7FFFFFFFFFFFFFFF or −0x8000000000000000 on overflow.

2048-bit SVE

For each 64-bit integer set (3) to (1) + (2), with signed saturation to 0x7FFFFFFFFFFFFFFF or −0x8000000000000000 on overflow.

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