46 lines
1.3 KiB
ArmAsm
46 lines
1.3 KiB
ArmAsm
# I960 __gmpn_mul_1 -- Multiply a limb vector with a limb and store
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# the result in a second limb vector.
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# Copyright 1995, 2000 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 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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# 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 Lesser General Public
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# License for more details.
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# You should have received a copy of the GNU Lesser 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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# the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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.text
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.align 4
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.globl ___gmpn_mul_1
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___gmpn_mul_1:
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subo g2,0,g2
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shlo 2,g2,g4
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subo g4,g1,g1
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subo g4,g0,g13
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mov 0,g0
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cmpo 1,0 # clear C bit on AC.cc
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Loop: ld (g1)[g2*4],g5
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emul g3,g5,g6
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addc g0,g6,g6 # relies on that C bit is clear
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st g6,(g13)[g2*4]
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addc 0,g7,g0
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addo g2,1,g2
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cmpobne 0,g2,Loop # when branch is taken, clears C bit
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ret
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