SVE Instruction List by Dougall Johnson
RSUBHNB: Rounding subtract narrow high part (bottom)
RSUBHNB Zd.B, Zn.H, Zm.H (SVE2 (SME
svint8_t svrsubhnb[_s16](svint16_t op1, svint16_t op2)
svuint8_t svrsubhnb[_u16](svuint16_t op1, svuint16_t op2)
128-bit SVE
For each 16-bit integer set the even 8-bit elements of (3) to ( (1) − (2) + 0x80 ) >> 8, and zero odd elements.
256-bit SVE
For each 16-bit integer set the even 8-bit elements of (3) to ( (1) − (2) + 0x80 ) >> 8, and zero odd elements.
512-bit SVE
For each 16-bit integer set the even 8-bit elements of (3) to ( (1) − (2) + 0x80 ) >> 8, and zero odd elements.
Larger sizes
1024-bit SVE
For each 16-bit integer set the even 8-bit elements of (3) to ( (1) − (2) + 0x80 ) >> 8, and zero odd elements.
2048-bit SVE
For each 16-bit integer set the even 8-bit elements of (3) to ( (1) − (2) + 0x80 ) >> 8, and zero odd elements.
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Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.