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riscv
: Support more fence variants
#193
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Hi! I need to think more about this, but currently, I think that |
romancardenas
changed the title
Support more fence variants
Mar 30, 2024
riscv
: Support more fence variants
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The default
fence
instruction with no parameters is the strongest form of barrier. But it also takes an optional set of flags to give fine-grained control over exactly what operations the fence is a barrier for, and in which direction.I see two design choices here:
rmb
/wmb
/...)(These aren't exclusive of course.)
Thoughts?
cc @dreiss
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