Re: why aarch64 doesn't support V4QI.

2020-12-18 Thread Richard Earnshaw via Gcc
On 15/12/2020 14:26, 172060...@hdu.edu.cn wrote: > Hi, > > I have some problems in gcc development about aarch64. I saw it doesn't > support > V4QI machine mode in aarch64-modes.def, but it has V4QI in arm-modes.def. > > I want to know why it doesn't? > > I am looking forward your replies. Tha

why aarch64 doesn't support V4QI.

2020-12-15 Thread 172060045
Hi, I have some problems in gcc development about aarch64. I saw it doesn't support V4QI machine mode in aarch64-modes.def, but it has V4QI in arm-modes.def. I want to know why it doesn't? I am looking forward your replies. Thanks for your help. Best regards, yancheng