| From: | Xin LI <delphij@xxxxxxxxxxxxx> |
| Date: | Fri, 12 Nov 2004 13:39:13 +0800 |
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, -- Xin LI <delphij frontfree net> http://www.delphij.net/ See complete headers for GPG key and other information.
Index: htonl.S =================================================================== 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 @@ 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 =================================================================== 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 @@ ENTRY(ntohl) movl 4(%esp),%eax +#ifdef I386_CPU xchgb %al,%ah roll $16,%eax xchgb %al,%ah +#else + bswap %eax +#endif ret
Attachment:
pgp00002.pgp
Description: PGP signature