shithub: purgatorio

ref: c0cbe87b357a4464a7d10ab8f38a65c77ea3b629
dir: /os/pc/fpsave.s/

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TEXT	FPsave(SB), 1, $0	/* save FPU environment without waiting */
	MOVL	fpu+0(FP), AX
	FSTENV	0(AX)
	RET
 
TEXT	FPrestore(SB), 1, $0	/* restore FPU environment without waiting */
	MOVL	fpu+0(FP), AX
	FLDENV	0(AX)
	RET