xref: /netbsd-src/external/lgpl3/gmp/dist/mpn/m88k/mc88110/addmul_1.s (revision 32d1c65c71fbdb65a012e8392a62a757dd6853e9)
1; mc88110 __gmpn_addmul_1 -- Multiply a limb vector with a single limb and
2; store the product in a second limb vector.
3
4; Copyright 1996, 2000 Free Software Foundation, Inc.
5
6;  This file is part of the GNU MP Library.
7;
8;  The GNU MP Library is free software; you can redistribute it and/or modify
9;  it under the terms of either:
10;
11;    * the GNU Lesser General Public License as published by the Free
12;      Software Foundation; either version 3 of the License, or (at your
13;      option) any later version.
14;
15;  or
16;
17;    * the GNU General Public License as published by the Free Software
18;      Foundation; either version 2 of the License, or (at your option) any
19;      later version.
20;
21;  or both in parallel, as here.
22;
23;  The GNU MP Library is distributed in the hope that it will be useful, but
24;  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
25;  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
26;  for more details.
27;
28;  You should have received copies of the GNU General Public License and the
29;  GNU Lesser General Public License along with the GNU MP Library.  If not,
30;  see https://www.gnu.org/licenses/.
31
32
33; INPUT PARAMETERS
34; res_ptr	r2
35; s1_ptr	r3
36; size		r4
37; s2_limb	r5
38
39	text
40	align	16
41	global	___gmpn_addmul_1
42___gmpn_addmul_1:
43	lda	 r3,r3[r4]
44	lda	 r8,r2[r4]		; RES_PTR in r8 since r2 is retval
45	subu	 r4,r0,r4
46	addu.co	 r2,r0,r0		; r2 = cy = 0
47
48	ld	 r6,r3[r4]
49	addu	 r4,r4,1
50	subu	 r8,r8,4
51	bcnd.n	 eq0,r4,Lend
52	 mulu.d	 r10,r6,r5
53
54Loop:	ld	 r7,r8[r4]
55	ld	 r6,r3[r4]
56	addu.cio r9,r11,r2
57	addu.ci	 r2,r10,r0
58	addu.co	 r9,r9,r7
59	st	 r9,r8[r4]
60	addu	 r4,r4,1
61	mulu.d	 r10,r6,r5
62	bcnd	 ne0,r4,Loop
63
64Lend:	ld	 r7,r8,0
65	addu.cio r9,r11,r2
66	addu.ci	 r2,r10,r0
67	addu.co	 r9,r9,r7
68	st	 r9,r8,0
69	jmp.n	 r1
70	 addu.ci r2,r2,r0
71