/* Optimized memset implementation for PowerPC64/POWER7.
- Copyright (C) 2010 Free Software Foundation, Inc.
+ Copyright (C) 2010-2014 Free Software Foundation, Inc.
Contributed by Luis Machado <luisgpm@br.ibm.com>.
This file is part of the GNU C Library.
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
-#include <bp-sym.h>
-#include <bp-asm.h>
/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
Returns 's'. */
.machine power7
-EALIGN (BP_SYM (memset), 5, 0)
+EALIGN (memset, 5, 0)
CALL_MCOUNT 3
L(_memset):
mr 10,3
/* Replicate byte to word. */
- rlwimi 4,4,8,16,23
- rlwimi 4,4,16,0,15
+ insrdi 4,4,8,48
+ insrdi 4,4,16,32
ble cr6,L(small) /* If length <= 8, use short copy code. */
neg 0,3
clrldi 0,0,62
beq L(medium_aligned)
- /* Force 4-bytes alignment for SRC. */
+ /* Force 4-bytes alignment for DST. */
mtocrf 0x01,0
subf 5,0,5
1: /* Copy 1 byte. */
stw 4,4(10)
blr
-END_GEN_TB (BP_SYM (memset),TB_TOCLESS)
+END_GEN_TB (memset,TB_TOCLESS)
libc_hidden_builtin_def (memset)
/* Copied from bzero.S to prevent the linker from inserting a stub
between bzero and memset. */
-ENTRY (BP_SYM (__bzero))
+ENTRY (__bzero)
CALL_MCOUNT 3
mr r5,r4
li r4,0
b L(_memset)
-END_GEN_TB (BP_SYM (__bzero),TB_TOCLESS)
-
-weak_alias (BP_SYM (__bzero), BP_SYM (bzero))
+END (__bzero)
+#ifndef __bzero
+weak_alias (__bzero, bzero)
+#endif