[PATCH v12 04/17] riscv: Add vector feature to compile

Vineet Gupta vineetg at rivosinc.com
Tue Nov 15 09:38:53 PST 2022


On 11/13/22 08:16, Conor.Dooley at microchip.com wrote:
>>> +config VECTOR
>>> +     bool "VECTOR support"
>>> +     depends on GCC_VERSION >= 120000 || CLANG_VERSION >= 130000
>>> +     default n
>>> +     help
>>> +       Say N here if you want to disable all vector related procedure
>>> +       in the kernel.
>>> +
>>> +       If you don't know what to do here, say Y.
>>> +
>>> +endmenu
>> "VECTOR" is not really consistent to how the other configs are named;
>> RISCV_ISA_V, RISCV_ISA_VECTOR, RISCV_VECTOR?
> It'd be RISCV_ISA_V to match the others single letter extentions, right?

Yep.

> The toolchain dependency check here also seems rather naive.

Indeed. I can build the code just fine with gcc-11 (and gcc-12), 
although my reworked patcheset doesn't include all the orig patches 
including the in-kernel xor stuff.

-Vineet






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