Transplant RT thread error
Error reporting information
"..\D_RTOS\rt-thread\libcpu\arm\cortex-m4\context_rvds.S", line 112: Error: A1854E: Unknown opcode 'VSTMFDEQ', maybe wrong target CPU?
112 0000004e VSTMFDEQ r1!, {d8 - d15} ; push FPU register s16~s31
Solution: