CMP   R7, $1
	BNE   power8
	BR    indexbodyp9<>(SB)
#endif
power8:
	BR indexbody<>(SB)

TEXT ·IndexString<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-40
	// R3 = string
	// R4 = length
	// R5 = separator pointer
	// R6 = separator length

#ifdef GOARCH_ppc64le
	MOVBZ internal∕cpu·PPC64+const_offsetPPC64HasPOWER9(SB), R7
	CMP   R7, $1
	BNE   power8
	BR    indexbodyp9<>(SB)

#endif
power8:

	MOVD	a_base+0(FP), R0
	MOVD	a_len+8(FP), R1
	MOVD	b_base+24(FP), R2
	MOVD	b_len+32(FP), R3
	MOVD	$ret+48(FP), R9
	B	indexbody<>(SB)

TEXT ·IndexString(SB),NOSPLIT,$0-40
	MOVD	a_base+0(FP), R0
	MOVD	a_len+8(FP), R1
	MOVD	b_base+16(FP), R2
	MOVD	b_len+24(FP), R3
	MOVD	$ret+32(FP), R9
	B	indexbody<>(SB)

// input:
//   R0: haystack
//   R1: length of haystack
//   R2: needle

	MOVQ a_len+8(FP), DX
	MOVQ b_base+24(FP), R8
	MOVQ b_len+32(FP), AX
	MOVQ DI, R10
	LEAQ ret+48(FP), R11
	JMP  indexbody<>(SB)

TEXT ·IndexString(SB),NOSPLIT,$0-40
	MOVQ a_base+0(FP), DI
	MOVQ a_len+8(FP), DX
	MOVQ b_base+16(FP), R8
	MOVQ b_len+24(FP), AX
	MOVQ DI, R10
	LEAQ ret+32(FP), R11
	JMP  indexbody<>(SB)

// AX: length of string, that we are searching for
// DX: length of string, in which we are searching

	LMG	b_base+24(FP), R3, R4 // R3=&sep[0], R4=len(sep)
	MOVD	$ret+48(FP), R5
	BR	indexbody<>(SB)

// Caller must confirm availability of vx facility before calling.
TEXT ·IndexString(SB),NOSPLIT|NOFRAME,$0-40
	LMG	a_base+0(FP), R1, R2  // R1=&s[0],   R2=len(s)
	LMG	b_base+16(FP), R3, R4 // R3=&sep[0], R4=len(sep)
	MOVD	$ret+32(FP), R5
	BR	indexbody<>(SB)

// s: string we are searching
// sep: string to search for