1
/* Set a block of memory to some byte value. For SUN4V Niagara-4.
2
Copyright (C) 2012 Free Software Foundation, Inc.
3
This file is part of the GNU C Library.
4
Contributed by David S. Miller (davem@davemloft.net)
6
The GNU C Library is free software; you can redistribute it and/or
7
modify it under the terms of the GNU Lesser General Public
8
License as published by the Free Software Foundation; either
9
version 2.1 of the License, or (at your option) any later version.
11
The GNU C Library is distributed in the hope that it will be useful,
12
but WITHOUT ANY WARRANTY; without even the implied warranty of
13
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
Lesser General Public License for more details.
16
You should have received a copy of the GNU Lesser General Public
17
License along with the GNU C Library; if not, see
18
<http://www.gnu.org/licenses/>. */
22
#define ASI_BLK_INIT_QUAD_LDD_P 0xe2
24
#if !defined NOT_IN_libc
26
.register %g2, #scratch
27
.register %g3, #scratch
32
ENTRY(__memset_niagara4)
43
END(__memset_niagara4)
46
ENTRY(__bzero_niagara4)
53
brz,pt %g1, .Laligned8
55
1: stb %o4, [%o0 + 0x00]
60
cmp %o1, 64 + (64 - 8)
63
andcc %g1, (64 - 1), %g1
64
brz,pn %g1, .Laligned64
66
1: stx %o4, [%o0 + 0x00]
73
brnz,pn %o4, .Lnon_bzero_loop
75
1: stxa %o4, [%o0 + %g0] ASI_BLK_INIT_QUAD_LDD_P
77
stxa %o4, [%o0 + %g2] ASI_BLK_INIT_QUAD_LDD_P
83
membar #StoreStore|#StoreLoad
87
1: stx %o4, [%o0 + 0x00]
100
stb %o4, [%o0 + 0x00]
109
1: stxa %o4, [%o0 + %g0] ASI_BLK_INIT_QUAD_LDD_P
111
stxa %o4, [%o0 + %g2] ASI_BLK_INIT_QUAD_LDD_P
112
stxa %o4, [%o0 + %g3] ASI_BLK_INIT_QUAD_LDD_P
113
stxa %o4, [%o0 + %o5] ASI_BLK_INIT_QUAD_LDD_P
115
stxa %o4, [%o0 + %g0] ASI_BLK_INIT_QUAD_LDD_P
116
stxa %o4, [%o0 + %g2] ASI_BLK_INIT_QUAD_LDD_P
117
stxa %o4, [%o0 + %g3] ASI_BLK_INIT_QUAD_LDD_P
118
stxa %o4, [%o0 + %o5] ASI_BLK_INIT_QUAD_LDD_P
121
ba,a,pt %icc, .Lpostloop
122
END(__bzero_niagara4)