SunJun8 opened a new pull request, #9103:
URL: https://github.com/apache/nuttx/pull/9103

   ## Summary
   If FS is in clean state and the SP of the running task is deeper before 
context switch, no floating point registers are saved. However, the 
corresponding floating point register positions have been written during task 
execution. When the task runs again after the next context switch and loads the 
floating point registers, the wrong values will be written to the registers.
   
   ## Impact
   Reduce the number of load fpu registers
   
   ## Testing
   bl602evb:nsh
   


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