Source File
	expand_amd64.go

Belonging Package
	internal/runtime/gc/scan

// 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.

package scan

import "internal/runtime/gc"

// ExpandAVX512 expands each bit in packed into f consecutive bits in unpacked,
// where f is the word size of objects in sizeClass.
//
// This is a testing entrypoint to the expanders used by scanSpanPacked*.
//
//go:noescape
func ExpandAVX512(sizeClass int, packed *gc.ObjMask, unpacked *gc.PtrMask)

// gcExpandersAVX512 is the PCs of expander functions. These cannot be called directly
// as they don't follow the Go ABI, but you can use this to check if a given
// expander PC is 0.
//
// It is defined in assembly.
var gcExpandersAVX512 [len(gc.SizeClassToSize)]uintptr

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