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authorRick Hudson <rlh@golang.org>2016-04-27 18:19:16 -0400
committerRick Hudson <rlh@golang.org>2016-04-27 18:46:52 -0400
commit23aeb34df172b17b7bfaa85fb59ca64bef9073bb (patch)
treea8ab866f1e50f0059856ce628f036d93ab620155 /src/runtime/lfstack_linux_mips64x.go
parent1354b32cd70f2702381764fd595dd2faa996840c (diff)
parentd3c79d324acd7300b6f705e66af8ca711af00d9f (diff)
downloadgo-23aeb34df172b17b7bfaa85fb59ca64bef9073bb.tar.xz
[dev.garbage] Merge remote-tracking branch 'origin/master' into HEAD
Change-Id: I282fd9ce9db435dfd35e882a9502ab1abc185297
Diffstat (limited to 'src/runtime/lfstack_linux_mips64x.go')
-rw-r--r--src/runtime/lfstack_linux_mips64x.go32
1 files changed, 0 insertions, 32 deletions
diff --git a/src/runtime/lfstack_linux_mips64x.go b/src/runtime/lfstack_linux_mips64x.go
deleted file mode 100644
index 7ff95f77ae..0000000000
--- a/src/runtime/lfstack_linux_mips64x.go
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright 2015 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.
-
-// +build mips64 mips64le
-// +build linux
-
-package runtime
-
-import "unsafe"
-
-// On mips64, Linux limits the user address space to 40 bits (see
-// TASK_SIZE64 in the Linux kernel). This has grown over time,
-// so here we allow 48 bit addresses.
-//
-// In addition to the 16 bits taken from the top, we can take 3 from the
-// bottom, because node must be pointer-aligned, giving a total of 19 bits
-// of count.
-const (
- addrBits = 48
- cntBits = 64 - addrBits + 3
-)
-
-func lfstackPack(node *lfnode, cnt uintptr) uint64 {
- return uint64(uintptr(unsafe.Pointer(node)))<<(64-addrBits) | uint64(cnt&(1<<cntBits-1))
-}
-
-func lfstackUnpack(val uint64) (node *lfnode, cnt uintptr) {
- node = (*lfnode)(unsafe.Pointer(uintptr(val >> cntBits << 3)))
- cnt = uintptr(val & (1<<cntBits - 1))
- return
-}