ADDP: Add pairwise

ADDP Zdn.S, Pg/M, Zdn.S, Zm.S (SVE2 (SME

svint32_t svaddp[_s32]_m(svbool_t pg, svint32_t op1, svint32_t op2)

svuint32_t svaddp[_u32]_m(svbool_t pg, svuint32_t op1, svuint32_t op2)

128-bit SVE

Add adjacent pairs of 32-bit integer elements. The even elements of (3) are set to the sums of pairs from (1), and the odd elements are set to the sums of pairs from (2).

256-bit SVE

Add adjacent pairs of 32-bit integer elements. The even elements of (3) are set to the sums of pairs from (1), and the odd elements are set to the sums of pairs from (2).

512-bit SVE

Add adjacent pairs of 32-bit integer elements. The even elements of (3) are set to the sums of pairs from (1), and the odd elements are set to the sums of pairs from (2).

Larger sizes

1024-bit SVE

Add adjacent pairs of 32-bit integer elements. The even elements of (3) are set to the sums of pairs from (1), and the odd elements are set to the sums of pairs from (2).

2048-bit SVE

Add adjacent pairs of 32-bit integer elements. The even elements of (3) are set to the sums of pairs from (1), and the odd elements are set to the sums of pairs from (2).

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