47 lines
1.4 KiB
ArmAsm
47 lines
1.4 KiB
ArmAsm
# ns32000 __gmpn_sub_n -- Subtract two limb vectors of the same length > 0 and
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# store difference in a third 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_sub_n
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___gmpn_sub_n:
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save [r3,r4,r5]
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negd 28(sp),r3
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movd r3,r0
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lshd 2,r0
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movd 24(sp),r4
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subd r0,r4 # r4 -> to end of S2
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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),r2
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subd r0,r2 # r2 -> to end of RES
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subd r0,r0 # cy = 0
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Loop: movd r5[r3:d],r0
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subcd r4[r3:d],r0
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movd r0,r2[r3:d]
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acbd 1,r3,Loop
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scsd r0 # r0 = cy.
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restore [r5,r4,r3]
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ret 0
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