1995-10-16 01:18:40 +00:00
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# VAX __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and store
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# difference in a third limb vector.
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# Copyright (C) 1992, 1994 Free Software Foundation, Inc.
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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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# it under the terms of the GNU Library General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at your
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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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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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# License for more details.
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# You should have received a copy of the GNU Library General Public License
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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 (sp + 4)
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# s1_ptr (sp + 8)
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# s2_ptr (sp + 12)
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# size (sp + 16)
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.text
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.align 1
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.globl ___mpn_sub_n
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___mpn_sub_n:
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.word 0x0
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movl 16(ap),r0
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movl 12(ap),r1
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movl 8(ap),r2
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movl 4(ap),r3
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subl2 r4,r4
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Loop:
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movl (r2)+,r4
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sbwc (r1)+,r4
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movl r4,(r3)+
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jsobgtr r0,Loop
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adwc r0,r0
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ret
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