diff options
Diffstat (limited to 'sysdeps/i386/i686/memset.S')
| -rw-r--r-- | sysdeps/i386/i686/memset.S | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S index a325a9b044..72d21fa92d 100644 --- a/sysdeps/i386/i686/memset.S +++ b/sysdeps/i386/i686/memset.S @@ -1,6 +1,6 @@ /* memset/bzero -- set memory area to CH/0 Highly optimized version for ix86, x>=6. - Copyright (C) 1999,2000,2003,2005,2006 Free Software Foundation, Inc. + Copyright (C) 1999-2014 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999. @@ -20,20 +20,18 @@ #include <sysdep.h> #include "asm-syntax.h" -#include "bp-sym.h" -#include "bp-asm.h" /* BEWARE: `#ifdef memset' means that memset is redefined as `bzero' */ #define BZERO_P (defined memset) -#define PARMS LINKAGE+4 /* space for 1 saved reg */ +#define PARMS 4+4 /* space for 1 saved reg */ #if BZERO_P # define DEST PARMS -# define LEN DEST+PTR_SIZE +# define LEN DEST+4 #else # define RTN PARMS -# define DEST RTN+RTN_SIZE -# define CHR DEST+PTR_SIZE +# define DEST RTN +# define CHR DEST+4 # define LEN CHR+4 #endif @@ -45,15 +43,13 @@ ENTRY_CHK (__memset_chk) jb HIDDEN_JUMPTARGET (__chk_fail) END_CHK (__memset_chk) #endif -ENTRY (BP_SYM (memset)) - ENTER +ENTRY (memset) cld pushl %edi cfi_adjust_cfa_offset (4) movl DEST(%esp), %edx movl LEN(%esp), %ecx - CHECK_BOUNDS_BOTH_WIDE (%edx, DEST(%esp), %ecx) #if BZERO_P xorl %eax, %eax /* fill with 0 */ #else @@ -90,19 +86,17 @@ ENTRY (BP_SYM (memset)) 1: #if !BZERO_P movl DEST(%esp), %eax /* start address of destination is result */ - RETURN_BOUNDED_POINTER (DEST(%esp)) #endif popl %edi cfi_adjust_cfa_offset (-4) cfi_restore (edi) - LEAVE #if BZERO_P ret #else - RET_PTR + ret #endif -END (BP_SYM (memset)) +END (memset) libc_hidden_builtin_def (memset) #if defined PIC && !defined NOT_IN_libc && !BZERO_P |