diff options
Diffstat (limited to 'sysdeps/i386/strchr.S')
| -rw-r--r-- | sysdeps/i386/strchr.S | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/sysdeps/i386/strchr.S b/sysdeps/i386/strchr.S index 1c91c40..e4e5c55 100644 --- a/sysdeps/i386/strchr.S +++ b/sysdeps/i386/strchr.S @@ -1,24 +1,24 @@ /* strchr (str, ch) -- Return pointer to first occurrence of CH in STR. -For Intel 80x86, x>=3. -Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. -Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> -Some optimisations by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> -This file is part of the GNU C Library. - -The GNU C Library is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public License as -published by the Free Software Foundation; either version 2 of the -License, or (at your option) any later version. - -The GNU C Library is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ + For Intel 80x86, x>=3. + Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu> + Some optimisations by Alan Modra <Alan@SPRI.Levels.UniSA.Edu.Au> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ #include <sysdep.h> #include "asm-syntax.h" @@ -53,7 +53,7 @@ ENTRY (strchr) we don't know the end of the string. But accessing at 4-byte alignment guarantees that we never access illegal memory if this would not also be done by the trivial - implementation (this is because all processor inherant + implementation (this is because all processor inherent boundaries are multiples of 4. */ testb $3, %eax /* correctly aligned ? */ @@ -131,7 +131,7 @@ L11: movl (%eax), %ecx /* get word (= 4 bytes) in question */ following XOR would destroy the carry flag and it would (in a representation with more than 32 bits) not alter then last overflow, we can now test this condition. If no carry is signaled - no overflow must have occured in the last byte => it was 0. */ + no overflow must have occurred in the last byte => it was 0. */ jnc L7 /* We are only interested in carry bits that change due to the |