Put missing END() markers to set ELF symbol size.

Don't unconditionally clear the direction flag. The ABI says it must always
be clear when making a function call, and 'cld' takes about 50 clock cyles
on the P4.

Fix typos found by Giorgos Keramid and Steve Kargl on freebsd-arch mailing
list. They were found on libc x86_64 MD code, but I noticed that they are
present on i386 too.

netbsd.org->NetBSD.org

Use _ALIGN_TEXT from <machine/asm.h>.

$Id: $ -> $NetBSD: $

Winning Strategies has placed this code into the Public Domain

Use RCSID macro for RCS ID's.

Use "ror $8,%ax" instead of "xchg %al,%ah": equal on a i386, 1 cycle faster
on a i486, and 2 cycles faster on a iPentium.

Fix spelling error in Copyright notice

Remove special case for len == 0 --- It wasn't needed. By dropping the
conditional, the general case (where we are actually swapping bytes) is
a tiny bit faster.

So many files in arch/i386 have been changed I might as well run my
remove unecessary trailing whitespace script.

Change instances of LIBC_RCS back to LIBC_SCCS. If we are going to change
th LIBC_RCS, the entire source tree should be updated at once.
Remove && !defined(lint) from conditionals around rcs id's.

Change instances of LIBC_RCS back to LIBC_SCCS. If we are going to change
th LIBC_RCS, the entire source tree should be updated at once.
Remove && !defined(lint) from conditionals around rcs id's. No one is
ever going to pass a *.s file through lint.

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make an arch directory in libc, and move all machine dirs into it