ref: cae5acd68c44a6e94b0a2b0ba3a18d160012efdb dir: /sys/src/ape/lib/9/arm/getfcr.s/
TEXT setfcr(SB), $4 MOVW R0, FPCR RET TEXT getfcr(SB), $4 MOVW FPCR, R0 RET TEXT getfsr(SB), $0 MOVW FPSR, R0 RET TEXT setfsr(SB), $0 MOVW R0, FPSR RET