FMOVD	24(R9), F1
	FMOVD	16(R9), F6
	MOVD	$·acoshtab2068<>+0(SB), R1
	WFMADB	V2, V1, V6, V2
	FMOVD	0(R3)(R1*1), F3
	WFMADB	V0, V4, V3, V0
	FMOVD	8(R9), F4
	FMADD	F4, F2, F0
	FMOVD	F0, ret+8(FP)
	RET
L10:
	FMOVD	F0, F8
	FMOVD	0(R9), F0
	FMADD	F8, F8, F0
	LTDBR	F0, F0
	FSQRT	F0, F10
L4:
	WFADB	V10, V8, V0
	WORD	$0xC0398006	//iilf	%r3,2147909631
	BYTE	$0x7F
	BYTE	$0xFF
	LGDR	F0, R5

	WFMDB	V2, V2, V3
	FMOVD	24(R9), F1
	FMUL	F3, F0
	FMOVD	16(R9), F3
	WFMADB	V2, V0, V5, V2
	FMOVD	8(R9), F5
	FMADD	F6, F2, F4
	WFMADB	V2, V1, V3, V1
	WFMDB	V2, V2, V6
	FMOVD	0(R9), F3
	WFMADB	V4, V6, V1, V4
	WFMADB	V2, V5, V3, V2
	FMADD	F4, F6, F2
	FMADD	F2, F0, F0
	FMOVD	F0, ret+8(FP)
	RET
L8:
	MOVH	$0x0, R4

	LDGR	R3, F3
	WORD	$0xED221000	//madb %f2,%f2,0(%r2,%r1)
	BYTE	$0x20
	BYTE	$0x1E
	WFMADB	V4, V6, V1, V4
	FMUL	F3, F2
	FMADD	F4, F2, F0
	FMOVD	F0, ret+8(FP)
	RET
L12:
	FMOVD	184(R5), F0
	WFMADB	V6, V0, V6, V0
	FMOVD	F0, ret+8(FP)
	RET
L5:
	FMOVD	176(R5), F1
	FMADD	F0, F0, F1
	FMOVD	168(R5), F3
	WFMDB	V1, V1, V2
	FMOVD	160(R5), F0
	FMOVD	152(R5), F4
	WFMADB	V2, V0, V3, V0

	FMOVD	16(R5), F5
	WFMADB	V6, V3, V7, V3
	FMOVD	8(R5), F7
	WFMADB	V2, V7, V5, V7
	FMOVD	0(R5), F5
	WFMADB	V2, V5, V16, V5
	WFMADB	V1, V4, V3, V4
	WFMADB	V6, V7, V5, V6
	FMUL	F0, F2
	FMADD	F4, F1, F6
	FMADD	F6, F2, F0
	MOVW	R2, R6
	MOVW	R1, R7
	CMPUBLE	R6, R7, L1
	MOVD	$·atanxpim<>+0(SB), R1
	WORD	$0xED801000	//madb	%f0,%f8,0(%r1)
	BYTE	$0x00
	BYTE	$0x1E
L1:
atanIsZero:

	BYTE	$0x14
	RISBGN	$0, $31, $32, R4, R2
	SUBW	$0x100000, R1
	SRAW	$8, R1, R1
	ORW	$0x45000000, R1
	BR	L6
L2:
	MOVD	$0x30000000, R2
	CMPW	R1, R2
	BGT	L16
	FMOVD	200(R9), F2
	FMADD	F2, F0, F0
L1:
	FMOVD	F0, ret+8(FP)
	RET
L14:
	LTDBR	F0, F0
	BLTU	L17
	FMOVD	F0, F10
L4:
	FMOVD	192(R9), F2
	WFMADB	V0, V0, V2, V0
	LTDBR	F0, F0
	FSQRT	F0, F8
L5:

	sink64[3] = math.Copysign(-1, c)
}

func fma(x, y, z float64) float64 {
	// amd64/v3:-".*x86HasFMA"
	// amd64:"VFMADD231SD"
	// arm/6:"FMULAD"
	// arm64:"FMADDD"
	// s390x:"FMADD"
	// ppc64x:"FMADD"
	// riscv64:"FMADDD"
	return math.FMA(x, y, z)
}

func fms(x, y, z float64) float64 {
	// riscv64:"FMSUBD"
	return math.FMA(x, y, -z)
}

func fnms(x, y, z float64) float64 {

	"EQV",
	"EQVCC",
	"EXTSB",
	"EXTSBCC",
	"EXTSH",
	"EXTSHCC",
	"FABS",
	"FABSCC",
	"FADD",
	"FADDCC",
	"FADDS",
	"FADDSCC",
	"FCMPO",
	"FCMPU",
	"FCTIW",
	"FCTIWCC",
	"FCTIWZ",
	"FCTIWZCC",
	"FDIV",
	"FDIVCC",
	"FDIVS",
	"FDIVSCC",
	"FMADD",
	"FMADDCC",
	"FMADDS",
	"FMADDSCC",
	"FMOVD",
	"FMOVDCC",
	"FMOVDU",
	"FMOVS",
	"FMOVSU",
	"FMOVSX",
	"FMOVSZ",

	FMOVD	88(R5), F6
	FMOVD	0(R1), F4
	WFMSDB	V0, V6, V4, V6
	FMOVD	80(R5), F1
	FADD	F6, F4
	FMOVD	72(R5), F2
	FMSUB	F1, F4, F0
	FMOVD	64(R5), F3
	WFMADB	V4, V2, V0, V2
	FMOVD	56(R5), F1
	WFMADB	V4, V3, V2, V4
	FMUL	F2, F2
	VLEG	$0, 48(R5), V18
	LGDR	F6, R1
	FMOVD	40(R5), F5
	FMOVD	32(R5), F3
	FMADD	F1, F2, F3
	FMOVD	24(R5), F1
	FMOVD	16(R5), F7
	FMOVD	8(R5), F0
	WFMADB	V2, V7, V1, V7

	"RNSBGT",
	"RXSBGT",
	"ROSBGT",
	"RISBG",
	"RISBGN",
	"RISBGZ",
	"RISBGNZ",
	"RISBHG",
	"RISBLG",
	"RISBHGZ",
	"RISBLGZ",
	"FABS",
	"FADD",
	"FADDS",
	"FCMPO",
	"FCMPU",
	"CEBR",
	"FDIV",
	"FDIVS",
	"FMADD",
	"FMADDS",
	"FMOVD",
	"FMOVS",
	"FMSUB",
	"FMSUBS",
	"FMUL",
	"FMULS",
	"FNABS",
	"FNEG",
	"FNEGS",
	"LEDBR",
	"LDEBR",
	"LPDFR",
	"LNDFR",

	FMOVD   log10rodataL19<>+32(SB), F6
	MOVD    $log10tab2074<>+0(SB), R1
	WFMADB  V2, V1, V6, V2
	WORD    $0x68331000     //ld %f3,0(%r3,%r1)
	WFMADB  V0, V4, V3, V0
	FMOVD   log10rodataL19<>+24(SB), F4
	FMADD   F4, F2, F0
	FMOVD   F0, ret+8(FP)
	RET

L16:
	RISBGZ	$40, $55, $56, R3, R2
	RISBGZ	$57, $60, $51, R3, R3
	ORW     $0x45000000, R2
	BR      L4
L13:
	BGE     L18     //jnl .L18
	BVS     L18