mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-26 00:57:39 +03:00
2b778ceb40
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
315 lines
6.9 KiB
ArmAsm
315 lines
6.9 KiB
ArmAsm
/* Set a block of memory to some byte value.
|
|
For UltraSPARC.
|
|
Copyright (C) 1996-2021 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by David S. Miller (davem@caip.rutgers.edu) and
|
|
Jakub Jelinek (jj@ultra.linux.cz).
|
|
|
|
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>
|
|
#include <asm/asi.h>
|
|
#ifndef XCC
|
|
#define XCC xcc
|
|
#define USE_BPR
|
|
#endif
|
|
#define FPRS_FEF 4
|
|
|
|
#define SET_BLOCKS(base, offset, source) \
|
|
stx source, [base - offset - 0x18]; \
|
|
stx source, [base - offset - 0x10]; \
|
|
stx source, [base - offset - 0x08]; \
|
|
stx source, [base - offset - 0x00];
|
|
|
|
/* Well, memset is a lot easier to get right than bcopy... */
|
|
.text
|
|
.align 32
|
|
ENTRY(memset)
|
|
andcc %o1, 0xff, %o1
|
|
mov %o0, %o5
|
|
be,a,pt %icc, 50f
|
|
#ifndef USE_BPR
|
|
srl %o2, 0, %o1
|
|
#else
|
|
mov %o2, %o1
|
|
#endif
|
|
cmp %o2, 7
|
|
#ifndef USE_BPR
|
|
srl %o2, 0, %o2
|
|
#endif
|
|
bleu,pn %XCC, 17f
|
|
andcc %o0, 3, %g5
|
|
be,pt %xcc, 4f
|
|
and %o1, 0xff, %o1
|
|
cmp %g5, 3
|
|
be,pn %xcc, 2f
|
|
stb %o1, [%o0 + 0x00]
|
|
cmp %g5, 2
|
|
be,pt %xcc, 2f
|
|
stb %o1, [%o0 + 0x01]
|
|
stb %o1, [%o0 + 0x02]
|
|
2: sub %g5, 4, %g5
|
|
sub %o0, %g5, %o0
|
|
add %o2, %g5, %o2
|
|
4: sllx %o1, 8, %g1
|
|
andcc %o0, 4, %g0
|
|
or %o1, %g1, %o1
|
|
sllx %o1, 16, %g1
|
|
or %o1, %g1, %o1
|
|
be,pt %xcc, 2f
|
|
sllx %o1, 32, %g1
|
|
stw %o1, [%o0]
|
|
sub %o2, 4, %o2
|
|
add %o0, 4, %o0
|
|
2: cmp %o2, 128
|
|
or %o1, %g1, %o1
|
|
blu,pn %xcc, 9f
|
|
andcc %o0, 0x38, %g5
|
|
be,pn %icc, 6f
|
|
mov 64, %o4
|
|
andcc %o0, 8, %g0
|
|
be,pn %icc, 1f
|
|
sub %o4, %g5, %o4
|
|
stx %o1, [%o0]
|
|
add %o0, 8, %o0
|
|
1: andcc %o4, 16, %g0
|
|
be,pn %icc, 1f
|
|
sub %o2, %o4, %o2
|
|
stx %o1, [%o0]
|
|
stx %o1, [%o0 + 8]
|
|
add %o0, 16, %o0
|
|
1: andcc %o4, 32, %g0
|
|
be,pn %icc, 7f
|
|
andncc %o2, 0x3f, %o3
|
|
stw %o1, [%o0]
|
|
stw %o1, [%o0 + 4]
|
|
stw %o1, [%o0 + 8]
|
|
stw %o1, [%o0 + 12]
|
|
stw %o1, [%o0 + 16]
|
|
stw %o1, [%o0 + 20]
|
|
stw %o1, [%o0 + 24]
|
|
stw %o1, [%o0 + 28]
|
|
add %o0, 32, %o0
|
|
7: be,pn %xcc, 9f
|
|
nop
|
|
ldd [%o0 - 8], %f0
|
|
18: wr %g0, ASI_BLK_P, %asi
|
|
membar #StoreStore | #LoadStore
|
|
andcc %o3, 0xc0, %g5
|
|
and %o2, 0x3f, %o2
|
|
fsrc2 %f0, %f2
|
|
fsrc2 %f0, %f4
|
|
andn %o3, 0xff, %o3
|
|
fsrc2 %f0, %f6
|
|
cmp %g5, 64
|
|
fsrc2 %f0, %f8
|
|
fsrc2 %f0, %f10
|
|
fsrc2 %f0, %f12
|
|
brz,pn %g5, 10f
|
|
fsrc2 %f0, %f14
|
|
be,pn %icc, 2f
|
|
stda %f0, [%o0 + 0x00] %asi
|
|
cmp %g5, 128
|
|
be,pn %icc, 2f
|
|
stda %f0, [%o0 + 0x40] %asi
|
|
stda %f0, [%o0 + 0x80] %asi
|
|
2: brz,pn %o3, 12f
|
|
add %o0, %g5, %o0
|
|
10: stda %f0, [%o0 + 0x00] %asi
|
|
stda %f0, [%o0 + 0x40] %asi
|
|
stda %f0, [%o0 + 0x80] %asi
|
|
stda %f0, [%o0 + 0xc0] %asi
|
|
11: subcc %o3, 256, %o3
|
|
bne,pt %xcc, 10b
|
|
add %o0, 256, %o0
|
|
12: wr %g0, FPRS_FEF, %fprs
|
|
membar #StoreLoad | #StoreStore
|
|
9: andcc %o2, 0x78, %g5
|
|
be,pn %xcc, 13f
|
|
andcc %o2, 7, %o2
|
|
14: rd %pc, %o4
|
|
srl %g5, 1, %o3
|
|
sub %o4, %o3, %o4
|
|
jmpl %o4 + (13f - 14b), %g0
|
|
add %o0, %g5, %o0
|
|
12: SET_BLOCKS (%o0, 0x68, %o1)
|
|
SET_BLOCKS (%o0, 0x48, %o1)
|
|
SET_BLOCKS (%o0, 0x28, %o1)
|
|
SET_BLOCKS (%o0, 0x08, %o1)
|
|
13: be,pn %xcc, 8f
|
|
andcc %o2, 4, %g0
|
|
be,pn %xcc, 1f
|
|
andcc %o2, 2, %g0
|
|
stw %o1, [%o0]
|
|
add %o0, 4, %o0
|
|
1: be,pn %xcc, 1f
|
|
andcc %o2, 1, %g0
|
|
sth %o1, [%o0]
|
|
add %o0, 2, %o0
|
|
1: bne,a,pn %xcc, 8f
|
|
stb %o1, [%o0]
|
|
8: retl
|
|
mov %o5, %o0
|
|
17: brz,pn %o2, 0f
|
|
8: add %o0, 1, %o0
|
|
subcc %o2, 1, %o2
|
|
bne,pt %xcc, 8b
|
|
stb %o1, [%o0 - 1]
|
|
0: retl
|
|
mov %o5, %o0
|
|
|
|
6: stx %o1, [%o0]
|
|
andncc %o2, 0x3f, %o3
|
|
be,pn %xcc, 9b
|
|
nop
|
|
ba,pt %xcc, 18b
|
|
ldd [%o0], %f0
|
|
END(memset)
|
|
libc_hidden_builtin_def (memset)
|
|
|
|
#define ZERO_BLOCKS(base, offset, source) \
|
|
stx source, [base - offset - 0x38]; \
|
|
stx source, [base - offset - 0x30]; \
|
|
stx source, [base - offset - 0x28]; \
|
|
stx source, [base - offset - 0x20]; \
|
|
stx source, [base - offset - 0x18]; \
|
|
stx source, [base - offset - 0x10]; \
|
|
stx source, [base - offset - 0x08]; \
|
|
stx source, [base - offset - 0x00];
|
|
|
|
.text
|
|
.align 32
|
|
ENTRY(__bzero)
|
|
#ifndef USE_BPR
|
|
srl %o1, 0, %o1
|
|
#endif
|
|
mov %o0, %o5
|
|
50: cmp %o1, 7
|
|
bleu,pn %xcc, 17f
|
|
andcc %o0, 3, %o2
|
|
be,a,pt %xcc, 4f
|
|
andcc %o0, 4, %g0
|
|
cmp %o2, 3
|
|
be,pn %xcc, 2f
|
|
stb %g0, [%o0 + 0x00]
|
|
cmp %o2, 2
|
|
be,pt %xcc, 2f
|
|
stb %g0, [%o0 + 0x01]
|
|
stb %g0, [%o0 + 0x02]
|
|
2: sub %o2, 4, %o2
|
|
sub %o0, %o2, %o0
|
|
add %o1, %o2, %o1
|
|
andcc %o0, 4, %g0
|
|
4: be,pt %xcc, 2f
|
|
cmp %o1, 128
|
|
stw %g0, [%o0]
|
|
sub %o1, 4, %o1
|
|
add %o0, 4, %o0
|
|
2: blu,pn %xcc, 9f
|
|
andcc %o0, 0x38, %o2
|
|
be,pn %icc, 6f
|
|
mov 64, %o4
|
|
andcc %o0, 8, %g0
|
|
be,pn %icc, 1f
|
|
sub %o4, %o2, %o4
|
|
stx %g0, [%o0]
|
|
add %o0, 8, %o0
|
|
1: andcc %o4, 16, %g0
|
|
be,pn %icc, 1f
|
|
sub %o1, %o4, %o1
|
|
stx %g0, [%o0]
|
|
stx %g0, [%o0 + 8]
|
|
add %o0, 16, %o0
|
|
1: andcc %o4, 32, %g0
|
|
be,pn %icc, 7f
|
|
andncc %o1, 0x3f, %o3
|
|
stx %g0, [%o0]
|
|
stx %g0, [%o0 + 8]
|
|
stx %g0, [%o0 + 16]
|
|
stx %g0, [%o0 + 24]
|
|
add %o0, 32, %o0
|
|
6: andncc %o1, 0x3f, %o3
|
|
7: be,pn %xcc, 9f
|
|
wr %g0, ASI_BLK_P, %asi
|
|
membar #StoreLoad | #StoreStore | #LoadStore
|
|
fzero %f0
|
|
andcc %o3, 0xc0, %o2
|
|
and %o1, 0x3f, %o1
|
|
fzero %f2
|
|
andn %o3, 0xff, %o3
|
|
faddd %f0, %f2, %f4
|
|
fmuld %f0, %f2, %f6
|
|
cmp %o2, 64
|
|
faddd %f0, %f2, %f8
|
|
fmuld %f0, %f2, %f10
|
|
faddd %f0, %f2, %f12
|
|
brz,pn %o2, 10f
|
|
fmuld %f0, %f2, %f14
|
|
be,pn %icc, 2f
|
|
stda %f0, [%o0 + 0x00] %asi
|
|
cmp %o2, 128
|
|
be,pn %icc, 2f
|
|
stda %f0, [%o0 + 0x40] %asi
|
|
stda %f0, [%o0 + 0x80] %asi
|
|
2: brz,pn %o3, 12f
|
|
add %o0, %o2, %o0
|
|
10: stda %f0, [%o0 + 0x00] %asi
|
|
stda %f0, [%o0 + 0x40] %asi
|
|
stda %f0, [%o0 + 0x80] %asi
|
|
stda %f0, [%o0 + 0xc0] %asi
|
|
11: subcc %o3, 256, %o3
|
|
bne,pt %xcc, 10b
|
|
add %o0, 256, %o0
|
|
12: wr %g0, FPRS_FEF, %fprs
|
|
membar #StoreLoad | #StoreStore
|
|
9: andcc %o1, 0xf8, %o2
|
|
be,pn %xcc, 13f
|
|
andcc %o1, 7, %o1
|
|
14: rd %pc, %o4
|
|
srl %o2, 1, %o3
|
|
sub %o4, %o3, %o4
|
|
jmpl %o4 + (13f - 14b), %g0
|
|
add %o0, %o2, %o0
|
|
12: ZERO_BLOCKS (%o0, 0xc8, %g0)
|
|
ZERO_BLOCKS (%o0, 0x88, %g0)
|
|
ZERO_BLOCKS (%o0, 0x48, %g0)
|
|
ZERO_BLOCKS (%o0, 0x08, %g0)
|
|
13: be,pn %xcc, 8f
|
|
andcc %o1, 4, %g0
|
|
be,pn %xcc, 1f
|
|
andcc %o1, 2, %g0
|
|
stw %g0, [%o0]
|
|
add %o0, 4, %o0
|
|
1: be,pn %xcc, 1f
|
|
andcc %o1, 1, %g0
|
|
sth %g0, [%o0]
|
|
add %o0, 2, %o0
|
|
1: bne,a,pn %xcc, 8f
|
|
stb %g0, [%o0]
|
|
8: retl
|
|
mov %o5, %o0
|
|
17: be,pn %xcc, 13b
|
|
orcc %o1, 0, %g0
|
|
be,pn %xcc, 0f
|
|
8: add %o0, 1, %o0
|
|
subcc %o1, 1, %o1
|
|
bne,pt %xcc, 8b
|
|
stb %g0, [%o0 - 1]
|
|
0: retl
|
|
mov %o5, %o0
|
|
END(__bzero)
|
|
|
|
weak_alias (__bzero, bzero)
|