66 lines
1.7 KiB
ActionScript
66 lines
1.7 KiB
ActionScript
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; core2 mpn_and_n
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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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%include 'yasm_mac.inc'
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; (rdi, rcx) = (rsi, rcx) & (rdx, rcx)
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BITS 64
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GLOBAL_FUNC mpn_and_n
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mov rax, rcx
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and rax, 3
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shr rcx, 2
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jz skiploop
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align 8
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loop1:
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mov r11, [rsi]
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mov r8, [rsi+8]
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lea rsi, [rsi+32]
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and r11, [rdx]
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and r8, [rdx+8]
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lea rdx, [rdx+32]
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mov [rdi], r11
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mov [rdi+8], r8
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lea rdi, [rdi+32]
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mov r9, [rsi-16]
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mov r10, [rsi-8]
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and r9, [rdx-16]
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and r10, [rdx-8]
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mov [rdi-16], r9
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sub rcx, 1
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mov [rdi-8], r10
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jnz loop1
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skiploop:
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cmp rax, 0
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jz end
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mov r11, [rsi]
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and r11, [rdx]
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mov [rdi], r11
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sub rax, 1
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jz end
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mov r11, [rsi+8]
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and r11, [rdx+8]
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mov [rdi+8], r11
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sub rax, 1
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jz end
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mov r11, [rsi+16]
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and r11, [rdx+16]
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mov [rdi+16], r11
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end:
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ret
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