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47 lines
1.4 KiB
ArmAsm
47 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdep.h>
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ENTRY(htonl)
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#ifdef PROF
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ldgp gp, 0(pv)
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.set noat
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lda AT, _mcount
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jsr AT, (AT), _mcount
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.set at
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.prologue 1
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#else
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.prologue 0
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#endif
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extlh a0, 5, t1 # t1 = dd000000
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zap a0, 0xfd, t2 # t2 = 0000cc00
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sll t2, 5, t2 # t2 = 00198000
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s8addl t2, t1, t1 # t1 = ddcc0000
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zap a0, 0xfb, t2 # t2 = 00bb0000
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srl t2, 8, t2 # t2 = 0000bb00
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extbl a0, 3, v0 # v0 = 000000aa
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or t1, v0, v0 # v0 = ddcc00aa
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or t2, v0, v0 # v0 = ddccbbaa
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ret
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END(htonl)
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weak_alias(htonl, ntohl)
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