[thirdparty/glibc.git] / sysdeps / powerpc / powerpc64 / multiarch / memset-ppc64.S

/* Default memset/bzero implementation for PowerPC64.
   Copyright (C) 2013-2019 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
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <sysdep.h>

/* Copied from bzero.S to prevent the linker from inserting a stub
   between bzero and memset.  NOTE: this code should be positioned
   before ENTRY/END_GEN_TB redefinition.  */
ENTRY (__bzero_ppc)
        CALL_MCOUNT 3
        mr      r5,r4
        li      r4,0
        b       L(_memset)
END_GEN_TB (__bzero_ppc,TB_TOCLESS)


#if defined SHARED && IS_IN (libc)
# define MEMSET __memset_ppc

# undef libc_hidden_builtin_def
# define libc_hidden_builtin_def(name)
#endif

/* Do not implement __bzero at powerpc64/memset.S.  */
#define NO_BZERO_IMPL

#include <sysdeps/powerpc/powerpc64/memset.S>
Commit	Line	Data
8a29a3d0	1	/* Default memset/bzero implementation for PowerPC64.
04277e02	2	Copyright (C) 2013-2019 Free Software Foundation, Inc.
8a29a3d0 AZ	3	This file is part of the GNU C Library.
	4
	5	The GNU C Library is free software; you can redistribute it and/or
	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
	9
	10	The GNU C Library is distributed in the hope that it will be useful,
	11	but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	Lesser General Public License for more details.
	14
	15	You should have received a copy of the GNU Lesser General Public
	16	License along with the GNU C Library; if not, see
5a82c748	17	<https://www.gnu.org/licenses/>. */
8a29a3d0 AZ	18
	19	#include <sysdep.h>
	20
8a29a3d0	21	/* Copied from bzero.S to prevent the linker from inserting a stub
4facea47 AZ	22	between bzero and memset. NOTE: this code should be positioned
4facea47 AZ	23	before ENTRY/END_GEN_TB redefinition. */
8a29a3d0 AZ	24	ENTRY (__bzero_ppc)
	25	CALL_MCOUNT 3
	26	mr r5,r4
	27	li r4,0
	28	b L(_memset)
	29	END_GEN_TB (__bzero_ppc,TB_TOCLESS)
	30
4facea47	31
4f41c682	32	#if defined SHARED && IS_IN (libc)
18e0054b	33	# define MEMSET __memset_ppc
8a29a3d0 AZ	34
8a29a3d0 AZ	35	# undef libc_hidden_builtin_def
19c4bec0	36	# define libc_hidden_builtin_def(name)
4facea47	37	#endif
8a29a3d0 AZ	38
8a29a3d0 AZ	39	/* Do not implement __bzero at powerpc64/memset.S. */
4facea47	40	#define NO_BZERO_IMPL
8a29a3d0 AZ	41
8a29a3d0 AZ	42	#include <sysdeps/powerpc/powerpc64/memset.S>