SMAXP: Signed maximum pairwise

SMAXP Zdn.D, Pg/M, Zdn.D, Zm.D (SVE2 (SME

svint64_t svmaxp[_s64]_m(svbool_t pg, svint64_t op1, svint64_t op2)

128-bit SVE

Compare adjacent pairs of signed 64-bit integer elements and set even elements of (3) to the maximums of pairs from (1), and the odd elements to the maximums of pairs from (2).

256-bit SVE

Compare adjacent pairs of signed 64-bit integer elements and set even elements of (3) to the maximums of pairs from (1), and the odd elements to the maximums of pairs from (2).

512-bit SVE

Compare adjacent pairs of signed 64-bit integer elements and set even elements of (3) to the maximums of pairs from (1), and the odd elements to the maximums of pairs from (2).

Larger sizes

1024-bit SVE

Compare adjacent pairs of signed 64-bit integer elements and set even elements of (3) to the maximums of pairs from (1), and the odd elements to the maximums of pairs from (2).

2048-bit SVE

Compare adjacent pairs of signed 64-bit integer elements and set even elements of (3) to the maximums of pairs from (1), and the odd elements to the maximums of pairs from (2).

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