ref: 8a45afd47d2545b2d85aecf9ec5af90cba3905d3 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