Messages in this thread |  | | Date | Fri, 16 Dec 2022 19:45:21 +0000 | From | Ben Dooks <> | Subject | Re: [PATCH] riscv: avoid enabling vectorized code generation |
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On 2022-12-16 18:50, Saleem Abdulrasool wrote: > The compiler is free to generate vectorized operations for zero'ing > memory. The kernel does not use the vector unit on RISCV, similar to > architectures such as x86 where we use `-mno-mmx` et al to prevent the > implicit vectorization. Perform a similar check for > `-mno-implicit-float` to avoid this on RISC-V targets.
I'm not sure if we should be emitting either of the vector or floating point instrucitons in the kernel without explicitly marking the section of code which is using them such as specific accelerator blocks.
-- Ben
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