ref: 76b565d8b219c8db94a882e93725b4ab735414de
dir: /libkern/getfcr-386.s/
TEXT setfcr(SB), $0 MOVL p+0(FP),AX XORB $0x3f,AX PUSHW AX WAIT FLDCW 0(SP) POPW AX RET TEXT getfcr(SB), $0 PUSHW AX WAIT FSTCW 0(SP) POPW AX XORB $0x3f,AX RET TEXT getfsr(SB), $0 WAIT FSTSW AX RET TEXT setfsr(SB), $0 WAIT FCLEX RET