MOVWU	R4, result+16(FP)	// 64608029
	MOVV	R4, result+16(FP)	// 6460c029
	MOVB	R4, result+16(FP)	// 64600029
	MOVBU	R4, result+16(FP)	// 64600029
	MOVWL	R4, result+16(FP)	// 6460002f
	MOVVL	R4, result+16(FP)	// 6460802f
	MOVW	R4, 1(R5)		// a4048029
	MOVWU	R4, 1(R5)		// a4048029
	MOVV	R4, 1(R5)		// a404c029
	MOVB	R4, 1(R5)		// a4040029
	MOVBU	R4, 1(R5)		// a4040029
	MOVWL	R4, 1(R5)		// a404002f
	MOVVL	R4, 1(R5)		// a404802f

	RET

TEXT ·Store8(SB), NOSPLIT, $0-9
	MOVV	ptr+0(FP), R1
	MOVB	val+8(FP), R2
	SYNC
	MOVB	R2, 0(R1)
	SYNC
	RET

TEXT ·Store64(SB), NOSPLIT, $0-16
	MOVV	ptr+0(FP), R1
	MOVV	val+8(FP), R2
	SYNC
	MOVV	R2, 0(R1)
	SYNC
	RET

// void	Or8(byte volatile*, byte);
TEXT ·Or8(SB), NOSPLIT, $0-9
	MOVV	ptr+0(FP), R1
	MOVBU	val+8(FP), R2

	MOV	$1234, 8(SP)			// ERROR "constant load must target register"
	MOVB	$1, X5				// ERROR "unsupported constant load"
	MOVH	$1, X5				// ERROR "unsupported constant load"
	MOVW	$1, X5				// ERROR "unsupported constant load"
	MOVF	$1, X5				// ERROR "unsupported constant load"
	MOVBU	X5, (X6)			// ERROR "unsupported unsigned store"
	MOVHU	X5, (X6)			// ERROR "unsupported unsigned store"

	"LU32ID",
	"LU52ID",
	"PCALAU12I",
	"PCADDU12I",
	"JIRL",
	"BGE",
	"BLT",
	"BLTU",
	"BGEU",
	"DIV",
	"DIVD",
	"DIVF",
	"DIVU",
	"DIVW",
	"LL",
	"LLV",
	"LUI",
	"MOVB",
	"MOVBU",
	"MOVD",
	"MOVDF",
	"MOVDW",
	"MOVF",
	"MOVFD",
	"MOVFW",
	"MOVH",
	"MOVHU",
	"MOVW",
	"MOVWD",
	"MOVWF",
	"MOVWL",
	"MOVWR",
	"MUL",
	"MULD",
	"MULF",
	"MULU",

TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT|NOFRAME,$0-25
	BEQ	R4, R5, eq
	ADDV	R4, R6, R7
	PCALIGN	$16
loop:
	BNE	R4, R7, test
	MOVV	$1, R4
	RET
test:
	MOVBU	(R4), R9
	ADDV	$1, R4
	MOVBU	(R5), R10
	ADDV	$1, R5
	BEQ	R9, R10, loop

	MOVB    R0, R4
	RET
eq:
	MOVV	$1, R4
	RET

// memequal_varlen(a, b unsafe.Pointer) bool
TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT,$40-17
	BEQ	R4, R5, eq

func signextendAndMask8to64(a int8) (s, z uint64) {
	// ppc64x: "MOVB", "ANDCC\t[$]1015,"
	s = uint64(a) & 0x3F7
	// ppc64x: -"MOVB", "ANDCC\t[$]247,"
	z = uint64(uint8(a)) & 0x3F7
	return
}

// Verify zero-extended values are not sign-extended under a bit mask (#61297)
func zeroextendAndMask8to64(a int8, b int16) (x, y uint64) {
	// ppc64x: -"MOVB\t", -"ANDCC", "MOVBZ"
	x = uint64(a) & 0xFF
	// ppc64x: -"MOVH\t", -"ANDCC", "MOVHZ"

	SC	R3, (R1)	// *R1 = R3
	BEQ	R3, try_cas
	SYNC
	MOVB	R3, ret+12(FP)
	RET
cas_fail:
	SYNC
	MOVB	R0, ret+12(FP)
	RET

TEXT ·Store(SB),NOSPLIT,$0-8
	MOVW	ptr+0(FP), R1
	MOVW	val+4(FP), R2
	SYNC
	MOVW	R2, 0(R1)
	SYNC
	RET

TEXT ·Store8(SB),NOSPLIT,$0-5
	MOVW	ptr+0(FP), R1
	MOVB	val+4(FP), R2
	SYNC
	MOVB	R2, 0(R1)
	SYNC
	RET

TEXT ·Load(SB),NOSPLIT,$0-8

	}

	// It must be followed by a MOVQ SP, BP.
	movbp := pushbp.Link
	if movbp == nil {
		ctxt.Diag("missing frame pointer instruction: MOVQ SP, BP")
		return
	}
	if !(movbp.As == AMOVQ && movbp.From.Type == obj.TYPE_REG && movbp.From.Reg == REG_SP &&
		movbp.To.Type == obj.TYPE_REG && movbp.To.Reg == REG_BP && movbp.From.Offset == 0) {
		ctxt.Diag("unexpected frame pointer instruction\n%v", movbp)
		return
	}

	// R6 = b_cap (unused)
	// R7 = byte to find
	AND	$0xff, R7
	MOVV	R4, R6		// store base for later
	ADDV	R4, R5		// end
	ADDV	$-1, R4

	PCALIGN	$16
loop:
	ADDV	$1, R4
	BEQ	R4, R5, notfound
	MOVBU	(R4), R8
	BNE	R7, R8, loop

	SUBV	R6, R4		// remove base
	RET

notfound:
	MOVV	$-1, R4
	RET

TEXT ·IndexByteString<ABIInternal>(SB),NOSPLIT,$0-32
	// R4 = s_base
	// R5 = s_len

	// do one byte at a time until 8-aligned
	AND	$7, R4, R8
	BEQ	R8, words
	MOVB	R0, (R4)
	ADDV	$1, R4
	JMP	-4(PC)

words:
	// do 8 bytes at a time if there is room
	ADDV	$-7, R6, R5

	PCALIGN	$16
	SGTU	R5, R4, R8
	BEQ	R8, out
	MOVV	R0, (R4)
	ADDV	$8, R4
	JMP	-4(PC)

out:
	BEQ	R4, R6, done
	MOVB	R0, (R4)
	ADDV	$1, R4
	JMP	-3(PC)
done: