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a88f040239
When V=1, both vsstauts.FS and HS-level sstatus.FS are in effect. Modifying the floating-point state when V=1 causes both fields to be set to 3 (Dirty). However, it's possible that HS-level sstatus.FS is Clean and VS-level vsstatus.FS is Dirty at the time mark_fs_dirty() is called when V=1. We can't early return for this case because we still need to set sstatus.FS to Dirty according to spec. Signed-off-by: Frank Chang <frank.chang@sifive.com> Reviewed-by: Vincent Chen <vincent.chen@sifive.com> Tested-by: Vincent Chen <vincent.chen@sifive.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210921020234.123448-1-frank.chang@sifive.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com> |
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