if label != 0 {
			xadd = ldr.SymValue(rs) + xadd - ldr.SymValue(label)
			rs = label
		}
		if xadd != signext24(xadd) {
			ldr.Errorf(s, "internal error: relocation addend overflow: %s+0x%x", ldr.SymName(rs), xadd)
		}
	}
	if rt == objabi.R_CALLARM64 && xadd != 0 {
		label := ldr.Lookup(offsetLabelName(ldr, rs, xadd), ldr.SymVersion(rs))
		if label != 0 {

			out.Write64(uint64(r.Xadd))
		case 8:
			out.Write64(uint64(sectoff))
			out.Write64(uint64(elf.R_LARCH_64) | uint64(elfsym)<<32)
			out.Write64(uint64(r.Xadd))
		default:
			return false
		}
	case objabi.R_LOONG64_TLS_LE_LO:
		out.Write64(uint64(sectoff))
		out.Write64(uint64(elf.R_LARCH_TLS_LE_LO12) | uint64(elfsym)<<32)
		out.Write64(uint64(r.Xadd))

	case objabi.R_LOONG64_TLS_LE_HI:

	MOVW	R1, ret+4(FP)
	RET

TEXT ·Load8(SB),NOSPLIT,$0-5
	MOVW	ptr+0(FP), R1
	SYNC
	MOVB	0(R1), R1
	SYNC
	MOVB	R1, ret+4(FP)
	RET

// uint32 Xadd(uint32 volatile *val, int32 delta)
// Atomically:
//	*val += delta;
//	return *val;
TEXT ·Xadd(SB),NOSPLIT,$0-12
	MOVW	ptr+0(FP), R2
	MOVW	delta+4(FP), R3
	SYNC
try_xadd:
	LL	(R2), R1	// R1 = *R2
	ADDU	R1, R3, R4
	MOVW	R4, R1
	SC	R4, (R2)	// *R2 = R4

	SETEQ	ret+12(FP)
	RET

// uint32 Xadd(uint32 volatile *val, int32 delta)
// Atomically:
//	*val += delta;
//	return *val;
TEXT ·Xadd(SB), NOSPLIT, $0-12
	MOVL	ptr+0(FP), BX
	MOVL	delta+4(FP), AX
	MOVL	AX, CX
	LOCK
	XADDL	AX, 0(BX)
	ADDL	CX, AX
	MOVL	AX, ret+8(FP)
	RET

TEXT ·Xadd64(SB), NOSPLIT, $0-20
	NO_LOCAL_POINTERS
	// no XADDQ so use CMPXCHG8B loop
	MOVL	ptr+0(FP), BP

TEXT ·Casuintptr(SB), NOSPLIT, $0-25
	JMP	·Cas64(SB)

TEXT ·CasRel(SB), NOSPLIT, $0-17
	JMP	·Cas(SB)

// uint32 Xadd(uint32 volatile *val, int32 delta)
// Atomically:
//	*val += delta;
//	return *val;
TEXT ·Xadd(SB), NOSPLIT, $0-20
	MOVQ	ptr+0(FP), BX
	MOVL	delta+8(FP), AX
	MOVL	AX, CX
	LOCK
	XADDL	AX, 0(BX)
	ADDL	CX, AX
	MOVL	AX, ret+16(FP)
	RET

// uint64 Xadd64(uint64 volatile *val, int64 delta)

}

func addrLock(addr *uint64) *spinlock {
	return &locktab[(uintptr(unsafe.Pointer(addr))>>3)%uintptr(len(locktab))].l
}

// Atomic add and return new value.
//
//go:nosplit
func Xadd(val *uint32, delta int32) uint32 {
	for {
		oval := *val
		nval := oval + uint32(delta)
		if Cas(val, oval, nval) {
			return nval
		}
	}
}

//go:noescape

//      return *val;

// func Xadd(ptr *uint32, delta int32) uint32
TEXT ·Xadd(SB), NOSPLIT, $0-20
	MOV	ptr+0(FP), A0
	MOVW	delta+8(FP), A1
	AMOADDW A1, (A0), A2
	ADD	A2,A1,A0
	MOVW	A0, ret+16(FP)
	RET

// func Xadd64(ptr *uint64, delta int64) uint64
TEXT ·Xadd64(SB), NOSPLIT, $0-24
	MOV	ptr+0(FP), A0
	MOV	delta+8(FP), A1
	AMOADDD A1, (A0), A2
	ADD	A2, A1, A0
	MOV	A0, ret+16(FP)
	RET

//		return 1
//	} else {
//		return 0
//	}
TEXT ·Casp1(SB), NOSPLIT, $0-25
	BR ·Cas64(SB)

// func Xadd(ptr *uint32, delta int32) uint32
// Atomically:
//	*ptr += delta
//	return *ptr
TEXT ·Xadd(SB), NOSPLIT, $0-20
	MOVD	ptr+0(FP), R4
	MOVW	delta+8(FP), R5
	MOVW	(R4), R3
repeat:
	ADD	R5, R3, R6
	CS	R3, R6, (R4) // if R3==(R4) then (R4)=R6 else R3=(R4)
	BNE	repeat
	MOVW	R6, ret+16(FP)
	RET

//
//go:linkname Load
//go:linkname Loadp
//go:linkname Load64
//go:linkname Loadint32
//go:linkname Loadint64
//go:linkname Loaduintptr
//go:linkname LoadAcquintptr
//go:linkname Xadd
//go:linkname Xaddint32
//go:linkname Xaddint64
//go:linkname Xadd64
//go:linkname Xadduintptr
//go:linkname Xchg
//go:linkname Xchg64
//go:linkname Xchgint32
//go:linkname Xchgint64
//go:linkname Xchguintptr

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build mips64 || mips64le

package atomic

import "unsafe"

//go:noescape
func Xadd(ptr *uint32, delta int32) uint32

//go:noescape
func Xadd64(ptr *uint64, delta int64) uint64

//go:noescape
func Xadduintptr(ptr *uintptr, delta uintptr) uintptr

//go:noescape