// ppc64x:-`.*runtime\.makeslice`
	// ppc64x:-`.*runtime\.panicmakeslicelen`
	return append(s, make([]int, uint(1<<2))...)
}

// On ppc64x continue to use memclrNoHeapPointers
// for sizes >= 512.
func SliceExtensionConst512(s []int) []int {
	// amd64:-`.*runtime\.memclrNoHeapPointers`
	// ppc64x:`.*runtime\.memclrNoHeapPointers`
	return append(s, make([]int, 1<<9)...)
}

// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname memclrNoHeapPointers
//go:noescape
func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)

//go:linkname reflect_memclrNoHeapPointers reflect.memclrNoHeapPointers
func reflect_memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) {
	memclrNoHeapPointers(ptr, n)
}

// memmove copies n bytes from "from" to "to".
//

}

// typedmemclr clears the typed memory at ptr with type typ. The
// memory at ptr must already be initialized (and hence in type-safe
// state). If the memory is being initialized for the first time, see
// memclrNoHeapPointers.
//
// If the caller knows that typ has pointers, it can alternatively
// call memclrHasPointers.
//
// TODO: A "go:nosplitrec" annotation would be perfect for this.
//
//go:nosplit

		// same element width.
		tomem = et.Size_ * uintptr(tolen)
		copymem = tomem
	}

	var to unsafe.Pointer
	if !et.Pointers() {
		to = mallocgc(tomem, nil, false)
		if copymem < tomem {
			memclrNoHeapPointers(add(to, copymem), tomem-copymem)
		}
	} else {
		// Note: can't use rawmem (which avoids zeroing of memory), because then GC can scan uninitialized memory.
		to = mallocgc(tomem, et, true)

// rawbyteslice allocates a new byte slice. The byte slice is not zeroed.
func rawbyteslice(size int) (b []byte) {
	cap := roundupsize(uintptr(size), true)
	p := mallocgc(cap, nil, false)
	if cap != uintptr(size) {
		memclrNoHeapPointers(add(p, uintptr(size)), cap-uintptr(size))
	}

	*(*slice)(unsafe.Pointer(&b)) = slice{p, size, int(cap)}
	return
}

// rawruneslice allocates a new rune slice. The rune slice is not zeroed.

	var fn ir.Node
	if a.Type().Elem().HasPointers() {
		// memclrHasPointers(hp, hn)
		ir.CurFunc.SetWBPos(wbPos)
		fn = mkcallstmt("memclrHasPointers", hp, hn)
	} else {
		// memclrNoHeapPointers(hp, hn)
		fn = mkcallstmt("memclrNoHeapPointers", hp, hn)
	}

	n.Body.Append(fn)

	// For array range clear, also set "i = len(a) - 1"
	if nrange != nil {

func panicunsafeslicenilptr()
func unsafestringcheckptr(ptr unsafe.Pointer, len int64)
func panicunsafestringlen()
func panicunsafestringnilptr()

func memmove(to *any, frm *any, length uintptr)
func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
func memclrHasPointers(ptr unsafe.Pointer, n uintptr)

func memequal(x, y *any, size uintptr) bool
func memequal0(x, y *any) bool
func memequal8(x, y *any) bool

				}
			}
			e := add(unsafe.Pointer(b), dataOffset+abi.MapBucketCount*8+i*uintptr(t.ValueSize))
			if t.Elem.Pointers() {
				memclrHasPointers(e, t.Elem.Size_)
			} else {
				memclrNoHeapPointers(e, t.Elem.Size_)
			}
			b.tophash[i] = emptyOne
			// If the bucket now ends in a bunch of emptyOne states,
			// change those to emptyRest states.
			if i == abi.MapBucketCount-1 {

var Usleep = usleep

var PhysPageSize = physPageSize
var PhysHugePageSize = physHugePageSize

var NetpollGenericInit = netpollGenericInit

var Memmove = memmove
var MemclrNoHeapPointers = memclrNoHeapPointers

var CgoCheckPointer = cgoCheckPointer

const CrashStackImplemented = crashStackImplemented

const TracebackInnerFrames = tracebackInnerFrames
const TracebackOuterFrames = tracebackOuterFrames

				*(*unsafe.Pointer)(k) = nil
			}
			e := add(unsafe.Pointer(b), dataOffset+abi.MapBucketCount*4+i*uintptr(t.ValueSize))
			if t.Elem.Pointers() {
				memclrHasPointers(e, t.Elem.Size_)
			} else {
				memclrNoHeapPointers(e, t.Elem.Size_)
			}
			b.tophash[i] = emptyOne
			// If the bucket now ends in a bunch of emptyOne states,
			// change those to emptyRest states.
			if i == abi.MapBucketCount-1 {