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. Thanks for your help. > > Best regards, > yancheng >
v4qi was used on arm for supporting the Intel XScale wireless-mmx extensions. But that doesn't exist in AArch64. R.
