| // 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) |
| } |