SVE Instruction List by Dougall Johnson
RADDHNB: Rounding add narrow high part (bottom)
RADDHNB Zd.H, Zn.S, Zm.S (SVE2 (SME
svint16_t svraddhnb[_s32](svint32_t op1, svint32_t op2)
svuint16_t svraddhnb[_u32](svuint32_t op1, svuint32_t op2)
128-bit SVE
For each 32-bit integer set the even 16-bit elements of (3) to ( (1) + (2) + 0x8000 ) >> 16, and zero odd elements.
256-bit SVE
For each 32-bit integer set the even 16-bit elements of (3) to ( (1) + (2) + 0x8000 ) >> 16, and zero odd elements.
512-bit SVE
For each 32-bit integer set the even 16-bit elements of (3) to ( (1) + (2) + 0x8000 ) >> 16, and zero odd elements.
Larger sizes
1024-bit SVE
For each 32-bit integer set the even 16-bit elements of (3) to ( (1) + (2) + 0x8000 ) >> 16, and zero odd elements.
2048-bit SVE
For each 32-bit integer set the even 16-bit elements of (3) to ( (1) + (2) + 0x8000 ) >> 16, and zero odd elements.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.