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Diffstat (limited to 'pr/src/md/unix/os_HPUX_ia64.s')
| -rw-r--r-- | pr/src/md/unix/os_HPUX_ia64.s | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/pr/src/md/unix/os_HPUX_ia64.s b/pr/src/md/unix/os_HPUX_ia64.s new file mode 100644 index 00000000..d433f4fe --- /dev/null +++ b/pr/src/md/unix/os_HPUX_ia64.s @@ -0,0 +1,108 @@ +// -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- +// +// The contents of this file are subject to the Mozilla Public +// License Version 1.1 (the "License"); you may not use this file +// except in compliance with the License. You may obtain a copy of +// the License at http://www.mozilla.org/MPL/ +// +// Software distributed under the License is distributed on an "AS +// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +// implied. See the License for the specific language governing +// rights and limitations under the License. +// +// The Original Code is the Netscape Portable Runtime (NSPR). +// +// The Initial Developer of the Original Code is Netscape +// Communications Corporation. Portions created by Netscape are +// Copyright (C) 2000 Netscape Communications Corporation. All +// Rights Reserved. +// +// Contributor(s): +// +// Alternatively, the contents of this file may be used under the +// terms of the GNU General Public License Version 2 or later (the +// "GPL"), in which case the provisions of the GPL are applicable +// instead of those above. If you wish to allow use of your +// version of this file only under the terms of the GPL and not to +// allow others to use your version of this file under the MPL, +// indicate your decision by deleting the provisions above and +// replace them with the notice and other provisions required by +// the GPL. If you do not delete the provisions above, a recipient +// may use your version of this file under either the MPL or the +// GPL. +// + +.text + +// PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val) +// +// Atomically increment the integer pointed to by 'val' and return +// the result of the increment. +// + .align 16 + .global _PR_ia64_AtomicIncrement# + .proc _PR_ia64_AtomicIncrement# +_PR_ia64_AtomicIncrement: +#ifndef _LP64 + addp4 r32 = 0, r32 ;; +#endif + fetchadd4.acq r8 = [r32], 1 ;; + adds r8 = 1, r8 + br.ret.sptk.many b0 + .endp _PR_ia64_AtomicIncrement# + +// PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val) +// +// Atomically decrement the integer pointed to by 'val' and return +// the result of the decrement. +// + .align 16 + .global _PR_ia64_AtomicDecrement# + .proc _PR_ia64_AtomicDecrement# +_PR_ia64_AtomicDecrement: +#ifndef _LP64 + addp4 r32 = 0, r32 ;; +#endif + fetchadd4.rel r8 = [r32], -1 ;; + adds r8 = -1, r8 + br.ret.sptk.many b0 + .endp _PR_ia64_AtomicDecrement# + +// PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val) +// +// Atomically add 'val' to the integer pointed to by 'ptr' +// and return the result of the addition. +// + .align 16 + .global _PR_ia64_AtomicAdd# + .proc _PR_ia64_AtomicAdd# +_PR_ia64_AtomicAdd: +#ifndef _LP64 + addp4 r32 = 0, r32 ;; +#endif + ld4 r15 = [r32] ;; +.L3: + mov r14 = r15 + mov ar.ccv = r15 + add r8 = r15, r33 ;; + cmpxchg4.acq r15 = [r32], r8, ar.ccv ;; + cmp4.ne p6, p7 = r15, r14 + (p6) br.cond.dptk .L3 + br.ret.sptk.many b0 + .endp _PR_ia64_AtomicAdd# + +// PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval) +// +// Atomically set the integer pointed to by 'val' to the new +// value 'newval' and return the old value. +// + .align 16 + .global _PR_ia64_AtomicSet# + .proc _PR_ia64_AtomicSet# +_PR_ia64_AtomicSet: +#ifndef _LP64 + addp4 r32 = 0, r32 ;; +#endif + xchg4 r8 = [r32], r33 + br.ret.sptk.many b0 + .endp _PR_ia64_AtomicSet# |