FCLASSD	F1, X6

	// +Inf special cases
	MOV	$PosInf, X7
	BEQ	X7, X5, isMaxX
	BEQ	X7, X6, isMaxY

	// NaN special cases
	MOV	$NaN, X7
	BEQ	X7, X5, isMaxX
	BEQ	X7, X6, isMaxY

	// normal case
	FMAXD	F0, F1, F0
	MOVD	F0, ret+16(FP)
	RET

isMaxX: // return x
	MOVD	F0, ret+16(FP)
	RET

isMaxY: // return y
	MOVD	F1, ret+16(FP)
	RET

// func archMin(x, y float64) float64

	"CMOVN",
	"CMOVT",
	"CMOVZ",
	"CMPEQD",
	"CMPEQF",
	"CMPGED",
	"CMPGEF",
	"CMPGTD",
	"CMPGTF",
	"DIV",
	"DIVD",
	"DIVF",
	"DIVU",
	"DIVW",
	"GOK",
	"LL",
	"LLV",
	"LUI",
	"MADD",
	"MOVB",
	"MOVBU",
	"MOVD",
	"MOVDF",
	"MOVDW",
	"MOVF",
	"MOVFD",
	"MOVFW",
	"MOVH",
	"MOVHU",
	"MOVW",
	"MOVWD",
	"MOVWF",
	"MOVWL",
	"MOVWR",
	"MSUB",
	"MUL",
	"MULD",

	ACMOVF
	ACMOVN
	ACMOVT
	ACMOVZ
	ACMPEQD
	ACMPEQF
	ACMPGED
	ACMPGEF
	ACMPGTD
	ACMPGTF
	ADIV
	ADIVD
	ADIVF
	ADIVU
	ADIVW
	AGOK
	ALL
	ALLV
	ALUI
	AMADD
	AMOVB
	AMOVBU
	AMOVD
	AMOVDF
	AMOVDW
	AMOVF
	AMOVFD
	AMOVFW
	AMOVH
	AMOVHU
	AMOVW
	AMOVWD
	AMOVWF
	AMOVWL
	AMOVWR
	AMSUB
	AMUL
	AMULD
	AMULF

	// unary operation
	NEGW	R1, R2 // 00011023
	CLZ	R1, R2 // 70221020
	CLO	R1, R2 // 70221021

	WSBH	R1, R2 // 7c0110a0

	SEB	R1, R2 // 7c011420
	SEH	R1, R2 // 7c011620

	// to (Hi, Lo)
	MADD	R2, R1 // 70220000
	MSUB	R2, R1 // 70220004
	MUL	R2, R1 // 00220018

	// END
	//
	//	LEND	comma // asm doesn't support the trailing comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &nullgen);
	//	}