閱讀文章 - 看板 DFBSD_submit

發信人Xin LI <delphij@frontfree.net>,

看板DFBSD_submit

標題[PATCH] Suggested FreeBSD merge

發信站(null) (Fri Nov 12 13:29:30 2004)

轉信站ptt!crater_reader.dragonflybsd.org!crater.dragonflybsd.org!127.0.0.1.M

--WYTEVAkct0FjGQmd Content-Type: multipart/mixed; boundary="BXVAT5kNtrzKuDFl" Content-Disposition: inline --BXVAT5kNtrzKuDFl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, I think you would interest the patch attached. This brings FreeBSD rev. 1.10 of htonl.S and ntohl.S's changes by David O'Brien, which is positive for application performance on 80486 and above. Cheers, --=20 Xin LI <delphij frontfree net> http://www.delphij.net/ See complete headers for GPG key and other information. --BXVAT5kNtrzKuDFl Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=patch-libc Content-Transfer-Encoding: quoted-printable Index: htonl.S =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D RCS file: /home/dcvs/src/lib/libc/i386/net/htonl.S,v retrieving revision 1.3 diff -u -r1.3 htonl.S --- htonl.S 6 Dec 2003 03:11:35 -0000 1.3 +++ htonl.S 12 Nov 2004 05:33:48 -0000 @@ -43,7 +43,11 @@ =20 ENTRY(htonl) movl 4(%esp),%eax +#ifdef I386_CPU xchgb %al,%ah roll $16,%eax xchgb %al,%ah +#else + bswap %eax +#endif ret Index: ntohl.S =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D RCS file: /home/dcvs/src/lib/libc/i386/net/ntohl.S,v retrieving revision 1.3 diff -u -r1.3 ntohl.S --- ntohl.S 6 Dec 2003 03:11:35 -0000 1.3 +++ ntohl.S 12 Nov 2004 05:34:37 -0000 @@ -43,7 +43,11 @@ =20 ENTRY(ntohl) movl 4(%esp),%eax +#ifdef I386_CPU xchgb %al,%ah roll $16,%eax xchgb %al,%ah +#else + bswap %eax +#endif ret --BXVAT5kNtrzKuDFl-- --WYTEVAkct0FjGQmd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQFBlEyB/cVsHxFZiIoRAnKyAJkBF9Ky49e3xvi1zL8bK32fqynYUgCfTPDp fqEL4hCGllQWLKWCKXBSXuc= =4Wys -----END PGP SIGNATURE----- --WYTEVAkct0FjGQmd--