os_SunOS_x86_64.s (1464B)
1 // -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 // 3 // This Source Code Form is subject to the terms of the Mozilla Public 4 // License, v. 2.0. If a copy of the MPL was not distributed with this 5 // file, You can obtain one at http://mozilla.org/MPL/2.0/. 6 7 // PRInt32 _MD_AtomicIncrement(PRInt32 *val) 8 // 9 // Atomically increment the integer pointed to by 'val' and return 10 // the result of the increment. 11 // 12 .text 13 .globl _MD_AtomicIncrement 14 .align 4 15 _MD_AtomicIncrement: 16 movl $1, %eax 17 lock 18 xaddl %eax, (%rdi) 19 incl %eax 20 ret 21 22 // PRInt32 _MD_AtomicDecrement(PRInt32 *val) 23 // 24 // Atomically decrement the integer pointed to by 'val' and return 25 // the result of the decrement. 26 // 27 .text 28 .globl _MD_AtomicDecrement 29 .align 4 30 _MD_AtomicDecrement: 31 movl $-1, %eax 32 lock 33 xaddl %eax, (%rdi) 34 decl %eax 35 ret 36 37 // PRInt32 _MD_AtomicSet(PRInt32 *val, PRInt32 newval) 38 // 39 // Atomically set the integer pointed to by 'val' to the new 40 // value 'newval' and return the old value. 41 // 42 .text 43 .globl _MD_AtomicSet 44 .align 4 45 _MD_AtomicSet: 46 movl %esi, %eax 47 xchgl %eax, (%rdi) 48 ret 49 50 // PRInt32 _MD_AtomicAdd(PRInt32 *ptr, PRInt32 val) 51 // 52 // Atomically add 'val' to the integer pointed to by 'ptr' 53 // and return the result of the addition. 54 // 55 .text 56 .globl _MD_AtomicAdd 57 .align 4 58 _MD_AtomicAdd: 59 movl %esi, %eax 60 lock 61 xaddl %eax, (%rdi) 62 addl %esi, %eax 63 ret