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! Inner multiply loop functions for pure 32-bit Sparc v8 CPUs.
! ***** 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 a SPARC v8 optimized multiply and add function
!
! The Initial Developer of the Original Code is Sun Microsystems Inc.
! Portions created by Sun Microsystems Inc. are
! Copyright (C) 2000-2005 Sun Microsystems Inc. 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: mpv_sparcv8x.s,v 1.2 2005/08/06 11:08:41 nelsonb%netscape.com Exp $
.file "mpv_sparcv8x.s"
.align 8
.section ".text",#alloc,#execinstr
.global s_mpv_mul_d
s_mpv_mul_d:
save %sp, -0x60, %sp
mov %i0, %o0
clr %g4
cmp %i1, 0x0
be .L103
sub %i1, 0x1, %o5
ld [%o0], %g1
.L101:
umul %g1, %i2, %g2
rd %y, %g1
add %g2, %g4, %g3
mov %g1, %o4
add %o0, 0x4, %o0
cmp %g3, %g4
blu,a .L102
add %g1, 0x1, %o4
.L102:
st %g3, [%i3]
mov %o5, %g1
add %i3, 0x4, %i3
cmp %g1, 0x0
mov %o4, %g4
sub %o5, 0x1, %o5
bne,a .L101
ld [%o0], %g1
.L103:
st %g4, [%i3]
ret
restore
.type s_mpv_mul_d,2
.size s_mpv_mul_d,(.-s_mpv_mul_d)
.align 16
.global s_mpv_mul_d_add
s_mpv_mul_d_add:
save %sp, -0x60, %sp
mov %i0, %o0
clr %g4
cmp %i1, 0x0
be .L204
sub %i1, 0x1, %o5
ld [%o0], %g1
.L201:
umul %g1, %i2, %g2
rd %y, %g1
add %g2, %g4, %g3
mov %g1, %o4
add %o0, 0x4, %o0
cmp %g3, %g4
blu,a .L202
add %g1, 0x1, %o4
.L202:
ld [%i3], %g2
add %g3, %g2, %g1
cmp %g1, %g2
blu,a .L203
add %o4, 0x1, %o4
.L203:
st %g1, [%i3]
mov %o5, %g1
add %i3, 0x4, %i3
cmp %g1, 0x0
mov %o4, %g4
sub %o5, 0x1, %o5
bne,a .L201
ld [%o0], %g1
.L204:
st %g4, [%i3]
ret
restore
.type s_mpv_mul_d_add,2
.size s_mpv_mul_d_add,(.-s_mpv_mul_d_add)
.align 16
.global s_mpv_mul_d_add_prop
s_mpv_mul_d_add_prop:
save %sp, -0x60, %sp
mov %i0, %o0
clr %o5
cmp %i1, 0x0
be .L30x70
sub %i1, 0x1, %g4
ld [%o0], %g1
.L30x1c:
umul %g1, %i2, %g2
rd %y, %g1
add %g2, %o5, %g3
mov %g1, %o4
add %o0, 0x4, %o0
cmp %g3, %o5
blu,a .L30x3c
add %g1, 0x1, %o4
.L30x3c:
ld [%i3], %g2
add %g3, %g2, %g1
cmp %g1, %g2
blu,a .L30x50
add %o4, 0x1, %o4
.L30x50:
st %g1, [%i3]
mov %g4, %g1
add %i3, 0x4, %i3
cmp %g1, 0x0
mov %o4, %o5
sub %g4, 0x1, %g4
bne,a .L30x1c
ld [%o0], %g1
.L30x70:
cmp %o5, 0x0
be .L30xa0
nop
ld [%i3], %g1
.L30x80:
add %o5, %g1, %g2
st %g2, [%i3]
add %i3, 0x4, %i3
cmp %g2, %g1
addx %g0, 0x0, %o5
cmp %o5, 0x0
bne,a .L30x80
ld [%i3], %g1
.L30xa0:
ret
restore
.type s_mpv_mul_d_add_prop,2
.size s_mpv_mul_d_add_prop,(.-s_mpv_mul_d_add_prop)
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