#ifndef GOARM64_LSE
load_store_loop:
	LDAXR	(R0), R2
	AND	R1, R2, R3
	STLXR	R3, (R0), R4
	CBNZ	R4, load_store_loop
	MOVD 	R2, ret+16(FP)
	RET
#endif

// func Anduintptr(addr *uintptr, v uintptr) old uintptr
TEXT ·Anduintptr(SB), NOSPLIT, $0-24
	B	·And64(SB)

// func Oruintptr(addr *uintptr, v uintptr) old uintptr
TEXT ·Oruintptr(SB), NOSPLIT, $0-24

	MOVD	ptr+0(FP), R3
	MOVD	val+8(FP), R4
	LWSYNC
again:
	LDAR	(R3),R6
	AND	R4, R6, R7
	STDCCC	R7, (R3)
	BNE	again
	MOVD	R6, ret+16(FP)
	RET

// func Anduintptr(addr *uintptr, v uintptr) old uintptr
TEXT ·Anduintptr(SB), NOSPLIT, $0-24
	JMP	·And64(SB)

// func Oruintptr(addr *uintptr, v uintptr) old uintptr
TEXT ·Oruintptr(SB), NOSPLIT, $0-24

// the new updated value.
//
// This operation wraps around in the usual
// two's-complement way.
//
//go:nosplit
func (u *Uintptr) Add(delta uintptr) uintptr {
	return Xadduintptr(&u.value, delta)
}

// Float64 is an atomically accessed float64 value.
//
// 8-byte aligned on all platforms, unlike a regular float64.
//
// A Float64 must not be copied.
type Float64 struct {

var F32to64 = f32to64
var Fcmp64 = fcmp64
var Fintto64 = fintto64
var F64toint = f64toint

var Entersyscall = entersyscall
var Exitsyscall = exitsyscall
var LockedOSThread = lockedOSThread
var Xadduintptr = atomic.Xadduintptr

var ReadRandomFailed = &readRandomFailed

var Fastlog2 = fastlog2

var Atoi = atoi
var Atoi32 = atoi32
var ParseByteCount = parseByteCount

var Nanotime = nanotime

	JMP	internal∕runtime∕atomic·Cas64(SB)

TEXT ·AddInt32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xadd(SB)

TEXT ·AddUint32(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xadd(SB)

TEXT ·AddUintptr(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xadduintptr(SB)

TEXT ·AddInt64(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xadd64(SB)

TEXT ·AddUint64(SB),NOSPLIT,$0
	JMP	internal∕runtime∕atomic·Xadd64(SB)

// (particularly if you target 32-bit platforms; see the bugs section).
func AddUint64(addr *uint64, delta uint64) (new uint64)

// AddUintptr atomically adds delta to *addr and returns the new value.
// Consider using the more ergonomic and less error-prone [Uintptr.Add] instead.
func AddUintptr(addr *uintptr, delta uintptr) (new uintptr)

// AndInt32 atomically performs a bitwise AND operation on *addr using the bitmask provided as mask

func (b *gcBitsArena) tryAlloc(bytes uintptr) *gcBits {
	if b == nil || atomic.Loaduintptr(&b.free)+bytes > uintptr(len(b.bits)) {
		return nil
	}
	// Try to allocate from this block.
	end := atomic.Xadduintptr(&b.free, bytes)
	if end > uintptr(len(b.bits)) {
		return nil
	}
	// There was enough room.
	start := end - bytes
	return &b.bits[start]
}

//go:build arm || wasm

// Export some functions via linkname to assembly in sync/atomic.
//
//go:linkname And32
//go:linkname Or32
//go:linkname And64
//go:linkname Or64
//go:linkname Anduintptr
//go:linkname Oruintptr

package atomic

import _ "unsafe" // For linkname

//go:nosplit
func And32(ptr *uint32, val uint32) uint32 {
	for {
		old := *ptr
		if Cas(ptr, old, old&val) {

// Add atomically adds delta to x and returns the new value.
func (x *Uintptr) Add(delta uintptr) (new uintptr) { return AddUintptr(&x.v, delta) }

// And atomically performs a bitwise AND operation on x using the bitmask
// provided as mask and returns the old value.
func (x *Uintptr) And(mask uintptr) (old uintptr) { return AndUintptr(&x.v, mask) }

// Or atomically performs a bitwise OR operation on x using the bitmask

			call, ok := right.(*ast.CallExpr)
			if !ok {
				continue
			}
			fn := typeutil.StaticCallee(pass.TypesInfo, call)
			if analysisutil.IsFunctionNamed(fn, "sync/atomic", "AddInt32", "AddInt64", "AddUint32", "AddUint64", "AddUintptr") {
				checkAtomicAddAssignment(pass, n.Lhs[i], call)
			}
		}
	})
	return nil, nil
}

// checkAtomicAddAssignment walks the atomic.Add* method calls checking