ref: f2a4f349a8a68d1759c180b9edb77e3dfb67c6b4 dir: /sys/src/ape/lib/ap/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