ref: 5adf0606f17bf27ecfa682052fa95d26c169f69d dir: /sys/src/ape/lib/9/mips/getfcr.s/
TEXT getfsr(SB), $0 MOVW FCR31, R1 RET TEXT setfsr(SB), $0 MOVW R1, FCR31 RET TEXT getfcr(SB), $0 MOVW FCR31, R1 RET TEXT setfcr(SB), $0 MOVW R1, FCR31 RET