1995-10-16 01:18:40 +00:00
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; mc88110 __mpn_mul_1 -- Multiply a limb vector with a single limb and
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; store the product in a second limb vector.
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1996-03-01 18:43:45 +00:00
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; Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
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1995-10-16 01:18:40 +00:00
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; This file is part of the GNU MP Library.
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; The GNU MP Library is free software; you can redistribute it and/or modify
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2001-07-07 10:13:33 +00:00
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; it under the terms of the GNU Lesser General Public License as published by
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; the Free Software Foundation; either version 2.1 of the License, or (at your
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1995-10-16 01:18:40 +00:00
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; option) any later version.
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; The GNU MP Library is distributed in the hope that it will be useful, but
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; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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2001-07-07 10:13:33 +00:00
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; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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1995-10-16 01:18:40 +00:00
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; License for more details.
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2001-07-07 10:13:33 +00:00
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; You should have received a copy of the GNU Lesser General Public License
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1995-10-16 01:18:40 +00:00
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; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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1996-05-07 21:04:45 +00:00
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; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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; MA 02111-1307, USA.
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1995-10-16 01:18:40 +00:00
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; INPUT PARAMETERS
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; res_ptr r2
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; s1_ptr r3
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; size r4
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; s2_limb r5
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text
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align 16
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global ___mpn_mul_1
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___mpn_mul_1:
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; Make S1_PTR and RES_PTR point at the end of their blocks
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; and negate SIZE.
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lda r3,r3[r4]
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lda r8,r2[r4] ; RES_PTR in r8 since r2 is retval
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subu r4,r0,r4
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addu.co r2,r0,r0 ; r2 = cy = 0
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ld r6,r3[r4]
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addu r4,r4,1
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mulu.d r10,r6,r5
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bcnd.n eq0,r4,Lend
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subu r8,r8,8
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Loop: ld r6,r3[r4]
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addu.cio r9,r11,r2
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or r2,r10,r0 ; could be avoided if unrolled
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addu r4,r4,1
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mulu.d r10,r6,r5
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bcnd.n ne0,r4,Loop
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st r9,r8[r4]
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Lend: addu.cio r9,r11,r2
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st r9,r8,4
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jmp.n r1
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addu.ci r2,r10,r0
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