SVE Instruction List by Dougall Johnson
RSUBHNB: Rounding subtract narrow high part (bottom)
RSUBHNB Zd.H, Zn.S, Zm.S (SVE2 (SME
svint16_t svrsubhnb[_s32](svint32_t op1, svint32_t op2)
svuint16_t svrsubhnb[_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.
Report mistakes or give feedback
Inspired by and based on the x86/x64 SIMD Instruction List by Daytime.