ref: fdf020f1309bffde33554f5a13c7b3a1a3fb1891 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