glibc/sysdeps/alpha/htonl.S

44 lines
1.3 KiB
ArmAsm

/* Copyright (C) 1996-2020 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>
ENTRY(htonl)
#ifdef PROF
ldgp gp, 0(pv)
.set noat
lda AT, _mcount
jsr AT, (AT), _mcount
.set at
.prologue 1
#else
.prologue 0
#endif
inslh a0, 7, t0 # t0 = 0000000000AABBCC
inswl a0, 3, t1 # t1 = 000000CCDD000000
or t1, t0, t1 # t1 = 000000CCDDAABBCC
srl t1, 16, t2 # t2 = 0000000000CCDDAA
zapnot t1, 0x0A, t0 # t0 = 00000000DD00BB00
zapnot t2, 0x05, t3 # t3 = 0000000000CC00AA
addl t0, t3, v0 # v0 = ssssssssDDCCBBAA
ret
END(htonl)
weak_alias (htonl, ntohl)