gecko/security/nss/lib/freebl/mpi/montmulf.il
2008-06-06 08:40:11 -04:00

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!
! ***** BEGIN LICENSE BLOCK *****
! Version: MPL 1.1/GPL 2.0/LGPL 2.1
!
! The contents of this file are subject to the Mozilla Public License Version
! 1.1 (the "License"); you may not use this file except in compliance with
! the License. You may obtain a copy of the License at
! http://www.mozilla.org/MPL/
!
! Software distributed under the License is distributed on an "AS IS" basis,
! WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
! for the specific language governing rights and limitations under the
! License.
!
! The Original Code is inline macros for SPARC Montgomery multiply functions.
!
! The Initial Developer of the Original Code is
! Sun Microsystems Inc.
! Portions created by the Initial Developer are Copyright (C) 1999-2000
! the Initial Developer. All Rights Reserved.
!
! Contributor(s):
!
! Alternatively, the contents of this file may be used under the terms of
! either the GNU General Public License Version 2 or later (the "GPL"), or
! the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
! in which case the provisions of the GPL or the LGPL are applicable instead
! of those above. If you wish to allow use of your version of this file only
! under the terms of either the GPL or the LGPL, and not to allow others to
! use your version of this file under the terms of the MPL, indicate your
! decision by deleting the provisions above and replace them with the notice
! and other provisions required by the GPL or the LGPL. If you do not delete
! the provisions above, a recipient may use your version of this file under
! the terms of any one of the MPL, the GPL or the LGPL.
!
! ***** END LICENSE BLOCK *****
! $Id: montmulf.il,v 1.4 2004/04/27 23:04:36 gerv%gerv.net Exp $
!
! double upper32(double /*frs1*/);
!
.inline upper32,8
std %o0,[%sp+0x48]
ldd [%sp+0x48],%f10
fdtox %f10,%f10
fitod %f10,%f0
.end
!
! double lower32(double /*frs1*/, double /* Zero */);
!
.inline lower32,8
std %o0,[%sp+0x48]
ldd [%sp+0x48],%f10
std %o2,[%sp+0x48]
ldd [%sp+0x48],%f12
fdtox %f10,%f10
fmovs %f12,%f10
fxtod %f10,%f0
.end
!
! double mod(double /*x*/, double /*1/m*/, double /*m*/);
!
.inline mod,12
std %o0,[%sp+0x48]
ldd [%sp+0x48],%f2
std %o2,[%sp+0x48]
ldd [%sp+0x48],%f4
std %o4,[%sp+0x48]
ldd [%sp+0x48],%f6
fmuld %f2,%f4,%f4
fdtox %f4,%f4
fxtod %f4,%f4
fmuld %f4,%f6,%f4
fsubd %f2,%f4,%f0
.end
!
! void i16_to_d16_and_d32x4(double * /*1/(2^16)*/, double * /* 2^16*/,
! double * /* 0 */,
! double * /*result16*/, double * /* result32 */
! float * /*source - should be unsigned int*
! converted to float* */);
!
.inline i16_to_d16_and_d32x4,24
ldd [%o0],%f2 ! 1/(2^16)
ldd [%o1],%f4 ! 2^16
ldd [%o2],%f22
fmovd %f22,%f6
ld [%o5],%f7
fmovd %f22,%f10
ld [%o5+4],%f11
fmovd %f22,%f14
ld [%o5+8],%f15
fmovd %f22,%f18
ld [%o5+12],%f19
fxtod %f6,%f6
std %f6,[%o4]
fxtod %f10,%f10
std %f10,[%o4+8]
fxtod %f14,%f14
std %f14,[%o4+16]
fxtod %f18,%f18
std %f18,[%o4+24]
fmuld %f2,%f6,%f8
fmuld %f2,%f10,%f12
fmuld %f2,%f14,%f16
fmuld %f2,%f18,%f20
fdtox %f8,%f8
fdtox %f12,%f12
fdtox %f16,%f16
fdtox %f20,%f20
fxtod %f8,%f8
std %f8,[%o3+8]
fxtod %f12,%f12
std %f12,[%o3+24]
fxtod %f16,%f16
std %f16,[%o3+40]
fxtod %f20,%f20
std %f20,[%o3+56]
fmuld %f8,%f4,%f8
fmuld %f12,%f4,%f12
fmuld %f16,%f4,%f16
fmuld %f20,%f4,%f20
fsubd %f6,%f8,%f8
std %f8,[%o3]
fsubd %f10,%f12,%f12
std %f12,[%o3+16]
fsubd %f14,%f16,%f16
std %f16,[%o3+32]
fsubd %f18,%f20,%f20
std %f20,[%o3+48]
.end