Rename the local variable used by various macros outside the user's

namespace.
Reported-By: "Philippe Charnier" <charnier@lirmm.fr>
This commit is contained in:
Jordan K. Hubbard 1995-02-12 08:31:31 +00:00
parent 8c96ef7169
commit bcbd38050e
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=6323

View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)endian.h 7.8 (Berkeley) 4/3/91
* $Id: endian.h,v 1.4 1993/12/19 05:14:45 alm Exp $
* $Id: endian.h,v 1.5 1994/09/10 20:03:14 csgr Exp $
*/
#ifndef _MACHINE_ENDIAN_H_
@ -58,37 +58,37 @@
#endif
#define __word_swap_long(x) \
({ register u_long X = (x); \
({ register u_long __X = (x); \
__asm ("rorl $16, %1" \
: "=r" (X) \
: "0" (X)); \
X; })
: "=r" (__X) \
: "0" (__X)); \
__X; })
#if __GNUC__ >= 2
#define __byte_swap_long(x) \
({ register u_long X = (x); \
({ register u_long __X = (x); \
__asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \
: "=q" (X) \
: "0" (X)); \
X; })
: "=q" (__X) \
: "0" (__X)); \
__X; })
#define __byte_swap_word(x) \
({ register u_short X = (x); \
({ register u_short __X = (x); \
__asm ("xchgb %h1, %b1" \
: "=q" (X) \
: "0" (X)); \
X; })
: "=q" (__X) \
: "0" (__X)); \
__X; })
#else /* __GNUC__ >= 2 */
#define __byte_swap_long(x) \
({ register u_long X = (x); \
({ register u_long __X = (x); \
__asm ("rorw $8, %w1\n\trorl $16, %1\n\trorw $8, %w1" \
: "=r" (X) \
: "0" (X)); \
X; })
: "=r" (__X) \
: "0" (__X)); \
__X; })
#define __byte_swap_word(x) \
({ register u_short X = (x); \
({ register u_short __X = (x); \
__asm ("rorw $8, %w1" \
: "=r" (X) \
: "0" (X)); \
X; })
: "=r" (__X) \
: "0" (__X)); \
__X; })
#endif /* __GNUC__ >= 2 */
/*