2 /// IPF specific SwitchStack() function
4 /// Copyright (c) 2006, Intel Corporation
5 /// All rights reserved. This program and the accompanying materials
6 /// are licensed and made available under the terms and conditions of the BSD License
7 /// which accompanies this distribution. The full text of the license may be found at
8 /// http://opensource.org/licenses/bsd-license.php
10 /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 /// Module Name: SwitchStack.s
20 .proc AsmSwitchStackAndBackingStore
21 .type AsmSwitchStackAndBackingStore, @function
23 AsmSwitchStackAndBackingStore::
25 movl r2 = ~((((1 << 14) - 1) << 16) | 3)
35 ld8.nt1 r16 = [in0], 8
43 alloc r2 = ar.pfs, 0, 0, 2, 0
49 br.call.sptk.many b0 = b7
50 .endp AsmSwitchStackAndBackingStore