| // Copyright 2025 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| //go:build !amd64 | |
| package scan | |
| import ( | |
| "internal/runtime/gc" | |
| "unsafe" | |
| ) | |
| func HasFastScanSpanPacked() bool { | |
| // N.B. ScanSpanPackedGeneric isn't actually fast enough to serve as a general-purpose implementation. | |
| // The runtime's alternative of jumping between each object is still substantially better, even at | |
| // relatively high object densities. | |
| return false | |
| } | |
| func ScanSpanPacked(mem unsafe.Pointer, bufp *uintptr, objMarks *gc.ObjMask, sizeClass uintptr, ptrMask *gc.PtrMask) (count int32) { | |
| return ScanSpanPackedGo(mem, bufp, objMarks, sizeClass, ptrMask) | |
| } | |