SVE Instruction List by Dougall Johnson
SADALP: Signed add and accumulate long pairwise
SADALP Zda.D, Pg/M, Zn.S (SVE2 (SME
svint64_t svadalp[_s64]_m(svbool_t pg, svint64_t op1, svint32_t op2)
128-bit SVE

Set (3) to the sum of adjacent pairs of signed 32-bit integer elements from (1) and the corresponding 64-bit integer element from (2).
256-bit SVE

Set (3) to the sum of adjacent pairs of signed 32-bit integer elements from (1) and the corresponding 64-bit integer element from (2).
512-bit SVE

Set (3) to the sum of adjacent pairs of signed 32-bit integer elements from (1) and the corresponding 64-bit integer element from (2).
Larger sizes
1024-bit SVE

Set (3) to the sum of adjacent pairs of signed 32-bit integer elements from (1) and the corresponding 64-bit integer element from (2).
2048-bit SVE

Set (3) to the sum of adjacent pairs of signed 32-bit integer elements from (1) and the corresponding 64-bit integer element from (2).
Report mistakes or give feedback
Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.