86 lines
2.0 KiB
NASM
86 lines
2.0 KiB
NASM
; PROLOGUE(mpn_divrem_hensel_r_1)
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; Copyright 2009 Jason Moxham
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;
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; Windows Conversion Copyright 2008 Brian Gladman
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;
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; This file is part of the MPIR Library.
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;
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; The MPIR 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
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; by the Free Software Foundation; either version 2.1 of the License, or (at
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; your option) any later version.
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;
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; The MPIR 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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;
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; You should have received a copy of the GNU Lesser General Public License
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; along with the MPIR Library; see the file COPYING.LIB. If not, write
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; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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; Boston, MA 02110-1301, USA.
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;
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; mp_limb_t mpn_divrem_hensel_r_1(mp_ptr, mp_size_t, mp_limb_t)
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; rax rdi rsi rdx
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; rax rcx rdx r8
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%include "yasm_mac.inc"
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CPU Athlon64
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BITS 64
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LEAF_PROC mpn_divrem_hensel_r_1
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movsxd rax, edx
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mov rdx, r8
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lea r10, [rcx+rax*8]
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mov r9, 0
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sub r9, rax
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mov rcx, rdx
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mov rax, rdx
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imul edx, ecx
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mov r11, 2
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sub r11, rdx
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imul r11d, eax
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mov rax, r11
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imul r11d, ecx
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mov rdx, 2
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sub rdx, r11
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imul edx, eax
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mov rax, rdx
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imul edx, ecx
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mov r11, 2
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sub r11, rdx
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imul r11d, eax
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mov rax, r11
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imul r11d, ecx
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mov rdx, 2
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sub rdx, r11
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imul edx, eax
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mov rax, rdx
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imul rdx, rcx
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mov r11, 2
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sub r11, rdx
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imul r11, rax
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xor rdx, rdx
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xalign 16
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.1: mov rax, [r10+r9*8]
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sbb rax, rdx
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sbb r8, r8
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imul rax, r11
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mul rcx
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add r8, 1
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inc r9
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jnz .1
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mov rax, 0
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adc rax, rdx
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ret
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end
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