On 4/10/23 07:13, Mayuresh Chitale wrote:
The state of smstateen0.FCSR bit impacts the execution of floating point
instructions when misa.F==0. Add a field in the tb->flags which stores
the current state of smstateen0.fcsr and will be used by floating point
translation routines.

Are you certain that you require a new bit?

Could the same effect be achieved by forcing one or more of the existing TB_FLAGS.{FS,HS_FS} fields to 0 within cpu_get_tb_cpu_state? I.e. for the purposes of translation, pretend the FS state is DISABLED?

These bits are scarce, are we are nearly out.


r~


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