SVE Instruction List by Dougall Johnson
See "UZP1, UZP2 (predicates)" in the exploration tools

UZP1 (predicates): Concatenate even elements from two predicates

UZP1 Pd.D, Pn.D, Pm.D (SVE (SME
svbool_t svuzp1_b64(svbool_t op1, svbool_t op2)

128-bit SVE

Set the low half of (3) to the even 8-bit segments from (1), and the high half of (3) to the even 8-bit segments from (2).

256-bit SVE

Set the low half of (3) to the even 8-bit segments from (1), and the high half of (3) to the even 8-bit segments from (2).

512-bit SVE

Set the low half of (3) to the even 8-bit segments from (1), and the high half of (3) to the even 8-bit segments from (2).

Larger sizes

1024-bit SVE

Set the low half of (3) to the even 8-bit segments from (1), and the high half of (3) to the even 8-bit segments from (2).

2048-bit SVE

Set the low half of (3) to the even 8-bit segments from (1), and the high half of (3) to the even 8-bit segments from (2).

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