119 lines
2.2 KiB
NASM
119 lines
2.2 KiB
NASM
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dnl mpn_addmul_1
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dnl Copyright 2009 Jason Moxham
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dnl This file is part of the MPIR Library.
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dnl The MPIR Library is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 2.1 of the License, or (at
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dnl your option) any later version.
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dnl The MPIR Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the MPIR Library; see the file COPYING.LIB. If not, write
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dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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dnl Boston, MA 02110-1301, USA.
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include(`../config.m4')
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C ret mpn_addmul_1(mp_ptr,mp_ptr,mp_ptr,mp_size_t)
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C rex 20, 24, 28, 32
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ASM_START()
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PROLOGUE(mpn_addmul_1)
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push %ebx
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push %ebp
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push %esi
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push %edi
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mov 20(%esp),%edi
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mov 24(%esp),%esi
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mov (%esi),%eax
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mov 32(%esp),%edx
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mul %edx
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mov %eax,%ebx
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mov %edx,%ecx
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mov 32(%esp),%edx
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mov $0,%ebp
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subl $4,28(%esp)
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jc skiplp
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ALIGN(16)
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lp:
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mov 4(%esi),%eax
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mul %edx
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add %ebx,(%edi)
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adc %eax,%ecx
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adc %edx,%ebp
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mov 8(%esi),%eax
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mull 32(%esp)
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mov $0,%ebx
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add %ecx,4(%edi)
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adc %eax,%ebp
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adc %edx,%ebx
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mov 12(%esi),%eax
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mov 32(%esp),%edx
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mov $0,%ecx
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mul %edx
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add %ebp,8(%edi)
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adc %eax,%ebx
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adc %edx,%ecx
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lea 12(%esi),%esi
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mov 32(%esp),%edx
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subl $3,28(%esp)
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lea 12(%edi),%edi
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mov $0,%ebp
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jnc lp
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skiplp:
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cmpl $-2,28(%esp)
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jl case0
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je case1
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case2:
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mov 4(%esi),%eax
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mul %edx
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add %ebx,(%edi)
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adc %eax,%ecx
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adc %edx,%ebp
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mov 8(%esi),%eax
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mull 32(%esp)
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mov $0,%ebx
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add %ecx,4(%edi)
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adc %eax,%ebp
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adc %edx,%ebx
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add %ebp,8(%edi)
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adc $0,%ebx
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mov %ebx,%eax
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pop %edi
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pop %esi
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pop %ebp
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pop %ebx
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ret
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ALIGN(16)
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case1:
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mov 4(%esi),%eax
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mul %edx
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add %ebx,(%edi)
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adc %eax,%ecx
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adc %edx,%ebp
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mov $0,%eax
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add %ecx,4(%edi)
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adc %ebp,%eax
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pop %edi
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pop %esi
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pop %ebp
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pop %ebx
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ret
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ALIGN(16)
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case0:
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add %ebx,(%edi)
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adc $0,%ecx
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mov %ecx,%eax
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pop %edi
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pop %esi
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pop %ebp
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pop %ebx
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ret
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EPILOGUE()
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