shithub: purgatorio

ref: 27598a9c874c115795a3d59de093f8f158a73d87
dir: /libkern/getfcr-386.s/

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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