d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Actually garbage collect the unused code, as mentioned in r297147, which

Browse Source 
this change should have been part of.
This commit is contained in:
ian 2016-03-21 14:39:03 +00:00
parent 0e961a376e
commit d61783b1df
1 changed files with 0 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
lib/libstand/bswap.c
View File

@ -1,57 +0,0 @@
/*
* Written by Manuel Bouyer <bouyer@netbsd.org>.
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$NetBSD: bswap32.c,v 1.1 1997/10/09 15:42:33 bouyer Exp $";
static char *rcsid = "$NetBSD: bswap64.c,v 1.3 2009/03/16 05:59:21 cegger Exp $";
#endif
#include <sys/types.h>
#undef bswap32
#undef bswap64
u_int32_t bswap32(u_int32_t x);
u_int64_t bswap64(u_int64_t x);
u_int32_t
bswap32(u_int32_t x)
{
return ((x << 24) & 0xff000000 ) |
((x << 8) & 0x00ff0000 ) |
((x >> 8) & 0x0000ff00 ) |
((x >> 24) & 0x000000ff );
}
u_int64_t
bswap64(u_int64_t x)
{
#ifdef __LP64__
/*
* Assume we have wide enough registers to do it without touching
* memory.
*/
return ( (x << 56) & 0xff00000000000000UL ) |
( (x << 40) & 0x00ff000000000000UL ) |
( (x << 24) & 0x0000ff0000000000UL ) |
( (x << 8) & 0x000000ff00000000UL ) |
( (x >> 8) & 0x00000000ff000000UL ) |
( (x >> 24) & 0x0000000000ff0000UL ) |
( (x >> 40) & 0x000000000000ff00UL ) |
( (x >> 56) & 0x00000000000000ffUL );
#else
/*
* Split the operation in two 32bit steps.
*/
u_int32_t tl, th;
th = bswap32((u_int32_t)(x & 0x00000000ffffffffULL));
tl = bswap32((u_int32_t)((x >> 32) & 0x00000000ffffffffULL));
return ((u_int64_t)th << 32) | tl;
#endif
}