48 lines
1.5 KiB
ArmAsm
48 lines
1.5 KiB
ArmAsm
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# ns32000 __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 1992, 1994, 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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.align 1
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.globl ___gmpn_mul_1
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___gmpn_mul_1:
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save [r3,r4,r5,r6,r7]
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negd 24(sp),r4
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movd r4,r0
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lshd 2,r0
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movd 20(sp),r5
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subd r0,r5 # r5 -> to end of S1
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movd 16(sp),r6
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subd r0,r6 # r6 -> to end of RES
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subd r0,r0 # r0 = 0, cy = 0
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movd 28(sp),r7 # r7 = s2_limb
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Loop: movd r5[r4:d],r2
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meid r7,r2 # r2 = low_prod, r3 = high_prod
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addcd r0,r2 # r2 = low_prod + cy_limb
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movd r3,r0 # r0 = new cy_limb
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movd r2,r6[r4:d]
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acbd 1,r4,Loop
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addcd 0,r0
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restore [r7,r6,r5,r4,r3]
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ret 0
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