shithub: riscv

ref: 5fc5c18208546c77f2c279f7f6acf6b01a2d2645
dir: /sys/src/libc/386/387/sqrt.s/

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TEXT	sqrt(SB), $0
	FMOVD	a+0(FP), F0

	FTST
	WAIT
	FSTSW	AX
	SAHF
	JLO	bad

	FSQRT
	RET

bad:
	FMOVDP	F0, F0
	CALL	NaN(SB)
	RET