Messages in this thread | | | Subject | Re: [PATCH] riscv: kbuild: drop CONFIG_RISCV_ISA_C | From | Darius Rad <> | Date | Mon, 12 Aug 2019 15:49:06 -0400 |
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On 8/12/19 11:03 AM, Christoph Hellwig wrote: > On Thu, Aug 08, 2019 at 02:18:53PM +0200, Charles Papon wrote: >> Please do not drop it. >> >> Compressed instruction extension has some specific overhead in small >> RISC-V FPGA softcore, especialy in the ones which can't implement the >> register file read in a asynchronous manner because of the FPGA >> technology. >> What are reasons to enforce RVC ? > > Because it it the unix platform baseline as stated in the patch. >
The same argument could be made for an FPU or MMU, yet there are options to disable those.
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