File: [local] / OpenXM_contrib / gmp / mpn / sparc32 / v8 / Attic / mul_1.asm (download)
Revision 1.1.1.1 (vendor branch), Sat Sep 9 14:12:40 2000 UTC (23 years, 11 months ago) by maekawa
Branch: GMP
CVS Tags: maekawa-ipv6, VERSION_3_1_1, VERSION_3_1, RELEASE_1_2_2, RELEASE_1_2_1, RELEASE_1_1_3 Changes since 1.1: +0 -0
lines
Import gmp 3.1
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dnl SPARC v8 mpn_mul_1 -- Multiply a limb vector with a single limb and
dnl store the product in a second limb vector.
dnl Copyright (C) 1992, 1994, 1995, 2000 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU Lesser General Public License as published
dnl by the Free Software Foundation; either version 2.1 of the License, or (at
dnl your option) any later version.
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
dnl License for more details.
dnl You should have received a copy of the GNU Lesser General Public License
dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
dnl MA 02111-1307, USA.
include(`../config.m4')
C INPUT PARAMETERS
C res_ptr o0
C s1_ptr o1
C size o2
C s2_limb o3
ASM_START()
PROLOGUE(mpn_mul_1)
sll %o2,4,%g1
and %g1,(4-1)<<4,%g1
ifdef(`PIC',
` mov %o7,%g4 C Save return address register
0: call 1f
add %o7,L(1)-0b,%g3
1: mov %g4,%o7 C Restore return address register
',
` sethi %hi(L(1)),%g3
or %g3,%lo(L(1)),%g3
')
jmp %g3+%g1
ld [%o1+0],%o4 C 1
L(1):
L(L00): add %o0,-4,%o0
add %o1,-4,%o1
b L(loop00) C 4, 8, 12, ...
orcc %g0,%g0,%g2
L(L01): b L(loop01) C 1, 5, 9, ...
orcc %g0,%g0,%g2
nop
nop
L(L10): add %o0,-12,%o0 C 2, 6, 10, ...
add %o1,4,%o1
b L(loop10)
orcc %g0,%g0,%g2
nop
L(L11): add %o0,-8,%o0 C 3, 7, 11, ...
add %o1,-8,%o1
b L(loop11)
orcc %g0,%g0,%g2
L(loop):
addcc %g3,%g2,%g3 C 1
ld [%o1+4],%o4 C 2
st %g3,[%o0+0] C 1
rd %y,%g2 C 1
L(loop00):
umul %o4,%o3,%g3 C 2
addxcc %g3,%g2,%g3 C 2
ld [%o1+8],%o4 C 3
st %g3,[%o0+4] C 2
rd %y,%g2 C 2
L(loop11):
umul %o4,%o3,%g3 C 3
addxcc %g3,%g2,%g3 C 3
ld [%o1+12],%o4 C 4
add %o1,16,%o1
st %g3,[%o0+8] C 3
rd %y,%g2 C 3
L(loop10):
umul %o4,%o3,%g3 C 4
addxcc %g3,%g2,%g3 C 4
ld [%o1+0],%o4 C 1
st %g3,[%o0+12] C 4
add %o0,16,%o0
rd %y,%g2 C 4
addx %g0,%g2,%g2
L(loop01):
addcc %o2,-4,%o2
bg L(loop)
umul %o4,%o3,%g3 C 1
addcc %g3,%g2,%g3 C 4
st %g3,[%o0+0] C 4
rd %y,%g2 C 4
retl
addx %g0,%g2,%o0
EPILOGUE(mpn_mul_1)