> 2023年4月18日 21:07，Nick Desaulniers <ndesaulniers@xxxxxxxxxx> 写道： > > On Fri, Apr 14, 2023 at 1:07 AM Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote: >> >> LLVM does not implement some of -march options. However those options >> are not mandatory for kernel to build for those CPUs. >> >> Fallback -march CFLAG to ISA level if unsupported by toolchain so >> we can get those kernel to build with LLVM. >> >> Link: https://github.com/ClangBuiltLinux/linux/issues/1544 >> Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx> >> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > > Thanks for the patch! Maybe it's more obvious to folks who work on > mips, but how did you determine that say `p5600` is `mips32r5` or > `r10000` is `mips4`? Wikipedia [1] should fit the purpose. > > Is there a table somewhere you used as a reference? Including such > info in the commit message would help reviewers such as myself verify > the patch. > > Also, in v1, you mentioned that -mtune is not a substitute. It would > be good to record that info in the commit message as well. Thanks for the input! Will reword in next rev. > [1]: https://en.wikipedia.org/wiki/List_of_MIPS_architecture_processors Thanks - Jiaxun
