?? lowlevel-atomic.h
字號:
/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */#ifdef __ASSEMBLER__#define _IMP1 #1#define _IMM1 #-1#define _IMM4 #-4#define _IMM6 #-6#define _IMM8 #-8#define INC(mem, reg) \ .align 2; \ mova 99f, r0; \ mov r15, r1; \ mov _IMM6, r15; \98: mov.l mem, reg; \ add _IMP1, reg; \ mov.l reg, mem; \99: mov r1, r15#define DEC(mem, reg) \ .align 2; \ mova 99f, r0; \ mov r15, r1; \ mov _IMM6, r15; \98: mov.l mem, reg; \ add _IMM1, reg; \ mov.l reg, mem; \99: mov r1, r15#define XADD(reg, mem, old) \ .align 2; \ mova 99f, r0; \ mov r15, r1; \ mov _IMM6, r15; \98: mov.l mem, old; \ add old, reg; \ mov.l reg, mem; \99: mov r1, r15#define XCHG(reg, mem, old) \ .align 2; \ mova 99f, r0; \ nop; \ mov r15, r1; \ mov _IMM4, r15; \98: mov.l mem, old; \ mov.l reg, mem; \99: mov r1, r15#define CMPXCHG(reg, mem, new, old) \ .align 2; \ mova 99f, r0; \ nop; \ mov r15, r1; \ mov _IMM8, r15; \98: mov.l mem, old; \ cmp/eq old, reg; \ bf 99f; \ mov.l new, mem; \99: mov r1, r15#endif /* __ASSEMBLER__ */
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -