2009-12-02 11:24:00 -05:00
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; mpn_lshift4
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; Copyright 2009 Jason Moxham
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; This file is part of the MPIR Library.
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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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; 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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; 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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; mp_limb_t mpn_lshift3(mp_ptr, mp_ptr, mp_size_t)
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; rax rdi rsi rdx
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2010-07-02 07:52:24 -04:00
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; rax rcx rdx r8
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2009-12-02 11:24:00 -05:00
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%include "..\yasm_mac.inc"
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%define reg_save_list rsi, rdi
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CPU Athlon64
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BITS 64
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FRAME_PROC mpn_lshift4, 0, reg_save_list
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2010-07-02 07:52:24 -04:00
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mov rax, r8
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2009-12-02 11:24:00 -05:00
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lea rsi, [rdx+rax*8-24]
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lea rdi, [rcx+rax*8-24]
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mov ecx, 3
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sub rcx, rax
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mov r8, 0
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mov rax, 0
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jnc .2
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xalign 16
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.1:
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mov r9, [rsi+rcx*8]
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lea rdx, [rax+r9*2]
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lea r8, [r8+rdx*8]
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shr r9, 60
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mov r10, [rsi+rcx*8+8]
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lea rdx, [rax+r10*2]
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lea r9, [r9+rdx*8]
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shr r10, 60
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mov r11, [rsi+rcx*8+16]
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lea rdx, [rax+r11*2]
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lea r10, [r10+rdx*8]
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shr r11, 60
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mov [rdi+rcx*8+16], r10
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mov [rdi+rcx*8], r8
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mov r8, [rsi+rcx*8+24]
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lea rdx, [rax+r8*2]
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lea r11, [r11+rdx*8]
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shr r8, 60
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mov [rdi+rcx*8+24], r11
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add rcx, 4
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mov [rdi+rcx*8+8-32], r9
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jnc .1
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.2:
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cmp rcx, 2
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ja .6
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je .5
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jp .4
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.3:
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mov r9, [rsi+rcx*8]
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lea rdx, [rax+r9*2]
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lea r8, [r8+rdx*8]
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shr r9, 60
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mov r10, [rsi+rcx*8+8]
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lea rdx, [rax+r10*2]
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lea r9, [r9+rdx*8]
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shr r10, 60
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mov r11, [rsi+rcx*8+16]
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lea rdx, [rax+r11*2]
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lea r10, [r10+rdx*8]
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shr r11, 60
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mov [rdi+rcx*8+16], r10
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mov [rdi+rcx*8], r8
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mov rax, r11
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mov [rdi+rcx*8+8], r9
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jmp .7
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xalign 16
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.4:
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mov r9, [rsi+rcx*8]
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lea rdx, [rax+r9*2]
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lea r8, [r8+rdx*8]
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shr r9, 60
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mov r10, [rsi+rcx*8+8]
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lea rdx, [rax+r10*2]
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lea r9, [r9+rdx*8]
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shr r10, 60
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mov rax, r10
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mov [rdi+rcx*8], r8
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mov [rdi+rcx*8+8], r9
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jmp .7
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xalign 16
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.5:
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mov r9, [rsi+rcx*8]
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lea rdx, [rax+r9*2]
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lea r8, [r8+rdx*8]
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shr r9, 60
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mov [rdi+rcx*8], r8
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mov rax, r9
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jmp .7
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xalign 16
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.6:
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mov rax, r8
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.7:
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END_PROC reg_save_list
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end
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