39 lines
872 B
ArmAsm
39 lines
872 B
ArmAsm
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/*
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* Copyright (C) 2016-2017 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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.globl __udivdi3
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__udivdi3:
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mv a2, a1
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mv a1, a0
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li a0, -1
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beqz a2, .L5
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li a3, 1
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bgeu a2, a1, .L2
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.L1:
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blez a2, .L2
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slli a2, a2, 1
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slli a3, a3, 1
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bgtu a1, a2, .L1
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.L2:
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li a0, 0
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.L3:
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bltu a1, a2, .L4
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sub a1, a1, a2
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or a0, a0, a3
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.L4:
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srli a3, a3, 1
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srli a2, a2, 1
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bnez a3, .L3
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.L5:
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ret
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