ref: b36f7584509bce7694eba945f70b13a9efb24cbe
dir: /sys/src/libc/sparc/getfcr.s/
TEXT getfsr(SB), $0 SUB $4, R1 MOVW FSR, (R1) MOVW (R1), R7 ADD $4, R1 RETURN TEXT setfsr(SB), $0 SUB $4, R1 MOVW R7, (R1) MOVW (R1), FSR ADD $4, R1 RETURN TEXT setfcr(SB), $0 SUB $4, R1 MOVW R7, (R1) MOVW (R1), FSR ADD $4, R1 RETURN TEXT getfcr(SB), $0 SUB $4, R1 MOVW FSR, (R1) MOVW (R1), R7 ADD $4, R1 RETURN