YunQiang Su 472c8f8d96 MIPSr6: Fix COPY of reg:fgr64cc without fcmp in the same BB (#185820) ...

There may be some BB to COPY fgr64cc register, and the fgr64cc register
is set by the previous BB.
We add a new pass called MipsSetMachineRegisterFlags, in which we set

We introduce a new pass called MipsSetMachineRegisterFlags, in which we
set NoSWrap flag for all instructions that works with fgr64cc registers.

And in copyPhyRegister, we allow the COPY instruction with NoSignWrap
from the double float registers to gpr32.

2026-03-12 07:55:16 +08:00

13 KiB

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