ref: 6b0de3de8e935098b7bd0c09efc476d63a7a236e dir: /sys/src/libc/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