[deliverable/linux.git] / include / linux / compiler-gcc3.h

#ifndef __LINUX_COMPILER_H
#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
#endif

/* These definitions are for GCC v3.x.  */
#include <linux/compiler-gcc.h>

#if __GNUC_MINOR__ >= 3
# define __used			__attribute__((__used__))
# define __attribute_used__	__used				/* deprecated */
#else
# define __used			__attribute__((__unused__))
# define __attribute_used__	__used				/* deprecated */
#endif

#if __GNUC_MINOR__ >= 4
#define __must_check		__attribute__((warn_unused_result))
#endif

/*
 * A trick to suppress uninitialized variable warning without generating any
 * code
 */
#define uninitialized_var(x) x = x

#define __always_inline		inline __attribute__((always_inline))
Commit	Line	Data
94f582f8 RD	1	#ifndef __LINUX_COMPILER_H
	2	#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
	3	#endif
1da177e4 LT	4
	5	/* These definitions are for GCC v3.x. */
	6	#include <linux/compiler-gcc.h>
	7
1da177e4	8	#if __GNUC_MINOR__ >= 3
0d7ebbbc DR	9	# define __used __attribute__((__used__))
0d7ebbbc DR	10	# define __attribute_used__ __used /* deprecated */
1da177e4	11	#else
0d7ebbbc DR	12	# define __used __attribute__((__unused__))
0d7ebbbc DR	13	# define __attribute_used__ __used /* deprecated */
1da177e4 LT	14	#endif
1da177e4 LT	15
1da177e4 LT	16	#if __GNUC_MINOR__ >= 4
	17	#define __must_check __attribute__((warn_unused_result))
	18	#endif
	19
94909914 BP	20	/*
	21	* A trick to suppress uninitialized variable warning without generating any
	22	* code
	23	*/
	24	#define uninitialized_var(x) x = x
	25
40fc55cb	26	#define __always_inline inline __attribute__((always_inline))