SVE Instruction List by Dougall Johnson
FADDP: Floating-point add pairwise
FADDP Zdn.D, Pg/M, Zdn.D, Zm.D (SVE2 (SME
svfloat64_t svaddp[_f64]_m(svbool_t pg, svfloat64_t op1, svfloat64_t op2)
128-bit SVE
Add adjacent pairs of 64-bit float 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 64-bit float 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 64-bit float 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 64-bit float 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 64-bit float 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.