SVE Instruction List by Dougall Johnson
See "UQCVTN" in the exploration tools

UQCVTN: Unsigned 32-bit integer saturating extract narrow to interleaved 16-bit integer

UQCVTN Zd.H, { Zn1.S, Zn2.S } (SVE2.1 (SME2
svuint16_t svqcvtn_u16[_u32_x2](svuint32x2_t zn)

128-bit SVE

Truncate each unsigned 32-bit integer from (1) and (2) to 16 bits, with signed saturation to 0xFFFF, setting the even lanes of (3) to the corresponding results from (1), and the odd lanes to the corresponding results from (2).

256-bit SVE

Truncate each unsigned 32-bit integer from (1) and (2) to 16 bits, with signed saturation to 0xFFFF, setting the even lanes of (3) to the corresponding results from (1), and the odd lanes to the corresponding results from (2).

512-bit SVE

Truncate each unsigned 32-bit integer from (1) and (2) to 16 bits, with signed saturation to 0xFFFF, setting the even lanes of (3) to the corresponding results from (1), and the odd lanes to the corresponding results from (2).

Larger sizes

1024-bit SVE

Truncate each unsigned 32-bit integer from (1) and (2) to 16 bits, with signed saturation to 0xFFFF, setting the even lanes of (3) to the corresponding results from (1), and the odd lanes to the corresponding results from (2).

2048-bit SVE

Truncate each unsigned 32-bit integer from (1) and (2) to 16 bits, with signed saturation to 0xFFFF, setting the even lanes of (3) to the corresponding results from (1), and the odd lanes to the corresponding results from (2).

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