arch-riscv: cherry-pick zcb support from upstream #252
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Added the following instructions: c.lbu c.lh c.lhu c.sb c.sh c.zext.b c.sext.b c.zext.h c.sext.h c.zext.w c.not c.mul Reference: https://github.com/riscv/riscv-code-size-reduction Change-Id: Ib04820bf5591b365a3bfbbd8b90655a8a1d844cf
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Has it been tested on xs-gem5? |
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It works with new zcb checkpoint and NEMU with no obvious problem. Here's a comparison between 
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Total ckpt amount is 610, and 609 passed difftest with NEMU. The one failed is related to some |
tastynoob
approved these changes
Jan 2, 2025
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Looks good |
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significant performance boost got from the support of zicond-mimalloc support. very impressive finding! |
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I also removed rv32 related code, since we do not have those APIs.