From 2236d6e12474b6f6b0e6728058257eff9e3e16b6 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 12 Jun 2003 01:35:15 +0000 Subject: Update. * sysdeps/i386/bits/byteswap.h (__bswap_32): Use bswap instruction also for P4. --- ChangeLog | 3 +++ sysdeps/i386/bits/byteswap.h | 5 +++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 521ffeeab7..8cf9c92529 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2003-06-11 Ulrich Drepper + * sysdeps/i386/bits/byteswap.h (__bswap_32): Use bswap instruction + also for P4. + * time/tzfile.c: Add a couple of __builtin_expect. Remove warnings gcc 3.3 shows. diff --git a/sysdeps/i386/bits/byteswap.h b/sysdeps/i386/bits/byteswap.h index 0d7d75cb42..33af208888 100644 --- a/sysdeps/i386/bits/byteswap.h +++ b/sysdeps/i386/bits/byteswap.h @@ -1,5 +1,5 @@ /* Macros to swap the order of bytes in integer values. - Copyright (C) 1997, 1998, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000, 2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -64,7 +64,8 @@ __bswap_16 (unsigned short int __bsx) # if __GNUC__ >= 2 /* To swap the bytes in a word the i486 processors and up provide the `bswap' opcode. On i386 we have to use three instructions. */ -# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__ +# if !defined __i486__ && !defined __pentium__ && !defined __pentiumpro__ \ + && !defined __pentium4__ # define __bswap_32(x) \ (__extension__ \ ({ register unsigned int __v, __x = (x); \ -- cgit 1.4.1