On Sun, Jan 07, 2024 at 10:39:07AM +0800, Huacai Chen wrote: > > Do you mean that LoongArch32 does not support double-precision FP in hardware? > > At least both of the consumers in this series use double-precision, so my first > > thought is that LoongArch32 could not select ARCH_HAS_KERNEL_FPU_SUPPORT. > Then is it possible to introduce CC_FLAGS_SP_FPU and CC_FLAGS_DP_FPU? > I think there may be some place where SP FP is enough. Let's defer that until it is actually neeed.