On Sat, 19 Aug 2023 18:41:30 -0700 Yonghong Song wrote: > Hi, > > A new set of bpf insns have been recently added in llvm with flag > [-mcpu=v4](https://reviews.llvm.org/D144829). In the kernel, > x86_64 and arm64 have implemented -mcpu=v4 support: > x86_64: > https://lore.kernel.org/all/20230728011143.3710005-1-yonghong.song@xxxxxxxxx/ > arm64: > https://lore.kernel.org/bpf/20230815154158.717901-1-xukuohai@xxxxxxxxxxxxxxx/ > > The following arch's do not have -mcpu=v4 support yet: > arm, mips, nfp, powerpc, riscv, sc90, sparc and x86_32 > > If you have a chance, could you take a look at what > x86_64/arm64 does and add support to the above arch'es? Louis, is anyone on your side still working on BPF for NFP? div/mod and the jump will be impossible but there may be instructions for sign extend or bswap?
