summaryrefslogtreecommitdiff
path: root/sysdeps/i386/i686/memset.S
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/i386/i686/memset.S')
-rw-r--r--sysdeps/i386/i686/memset.S24
1 files changed, 7 insertions, 17 deletions
diff --git a/sysdeps/i386/i686/memset.S b/sysdeps/i386/i686/memset.S
index dfa1aa7019..561188ffec 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, 2000, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
@@ -51,7 +51,6 @@ ENTRY (BP_SYM (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)
@@ -62,19 +61,18 @@ ENTRY (BP_SYM (memset))
#endif
jecxz 1f
movl %edx, %edi
- cfi_rel_offset (edi, 0)
andl $3, %edx
- jz 2f /* aligned */
- jp 3f /* misaligned at 3, store just one byte below */
- stosb /* misaligned at 1 or 2, store two bytes */
+ jz 2f
+ jnp 3f
+ stosb
decl %ecx
jz 1f
3: stosb
decl %ecx
jz 1f
- xorl $1, %edx
- jnz 2f /* was misaligned at 2 or 3, now aligned */
- stosb /* was misaligned at 1, store third byte */
+ xorl $3, %edx
+ jz 2f
+ stosb
decl %ecx
2: movl %ecx, %edx
shrl $2, %ecx
@@ -94,8 +92,6 @@ ENTRY (BP_SYM (memset))
RETURN_BOUNDED_POINTER (DEST(%esp))
#endif
popl %edi
- cfi_adjust_cfa_offset (-4)
- cfi_restore (edi)
LEAVE
#if BZERO_P
@@ -105,9 +101,3 @@ ENTRY (BP_SYM (memset))
#endif
END (BP_SYM (memset))
libc_hidden_builtin_def (memset)
-
-#if defined PIC && !defined NOT_IN_libc && !BZERO_P
-strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
- .section .gnu.warning.__memset_zero_constant_len_parameter
- .string "memset used with constant zero length parameter; this could be due to transposed parameters"
-#endif