From 43a123c1ae6613b3efeed291fa552ecd909d3acf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 16 Apr 2024 21:23:18 +0200 Subject: Adding upstream version 1.20.14. Signed-off-by: Daniel Baumann --- src/runtime/lfstack_32bit.go | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 src/runtime/lfstack_32bit.go (limited to 'src/runtime/lfstack_32bit.go') diff --git a/src/runtime/lfstack_32bit.go b/src/runtime/lfstack_32bit.go new file mode 100644 index 0000000..405923c --- /dev/null +++ b/src/runtime/lfstack_32bit.go @@ -0,0 +1,19 @@ +// Copyright 2014 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 386 || arm || mips || mipsle + +package runtime + +import "unsafe" + +// On 32-bit systems, the stored uint64 has a 32-bit pointer and 32-bit count. + +func lfstackPack(node *lfnode, cnt uintptr) uint64 { + return uint64(uintptr(unsafe.Pointer(node)))<<32 | uint64(cnt) +} + +func lfstackUnpack(val uint64) *lfnode { + return (*lfnode)(unsafe.Pointer(uintptr(val >> 32))) +} -- cgit v1.2.3