Re: [RFC][PATCH, aarch64] Implement 16-byte vector mode const0 store by TImode

HAO CHEN GUI writes: > Hi, > I submitted a patch to change the mode checking for > CLEAR_BY_PIECES. > https://gcc.gnu.org/pipermail/gcc-patches/2024-August/660344.html > > It causes some regressions on aarch64. With the patch, > V2x8QImode is used to do clear by pieces instead of TImode as > v

[RFC][PATCH, aarch64] Implement 16-byte vector mode const0 store by TImode

Hi, I submitted a patch to change the mode checking for CLEAR_BY_PIECES. https://gcc.gnu.org/pipermail/gcc-patches/2024-August/660344.html It causes some regressions on aarch64. With the patch, V2x8QImode is used to do clear by pieces instead of TImode as vector mode is preferable and V2x8QImo