compiler.h

来自「linux 内核源代码」· C头文件 代码 · 共 20 行

/*
 * Copyright (C) 2004, 2007  Maciej W. Rozycki
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#ifndef _ASM_COMPILER_H
#define _ASM_COMPILER_H

#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)
#define GCC_IMM_ASM "n"
#define GCC_REG_ACCUM "$0"
#else
#define GCC_IMM_ASM "rn"
#define GCC_REG_ACCUM "accum"
#endif

#endif /* _ASM_COMPILER_H */