63 lines
1.8 KiB
NASM
63 lines
1.8 KiB
NASM
; PROLOGUE(mpn_mul_1)
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;
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; Copyright 2008 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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; 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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;
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; mp_limb_t mpn_mul_1(mp_ptr, mp_ptr, mp_size_t, mp_limb_t)
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; mp_limb_t mpn_mul_1c(mp_ptr, mp_ptr, mp_size_t, mp_limb_t, mp_limb_t)
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; rax rdi rsi rdx rcx r8
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; rax rcx rdx r8 r9 [rsp+40]
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%include "yasm_mac.inc"
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CPU Core2
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BITS 64
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LEAF_PROC mpn_mul_1c
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mov r11, [rsp+0x28]
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jmp start
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LEAF_PROC mpn_mul_1
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xor r11, r11
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start:
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mov rax, r8
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lea r10, [rdx+rax*8-8]
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lea rcx, [rcx+rax*8-8]
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mov r8d, 1
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sub r8, rax
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mov rax, [r10+r8*8]
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jz .1
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xalign 16
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.0: mul r9
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add rax, r11
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mov [rcx+r8*8], rax
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mov rax, [r10+r8*8+8]
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mov r11d, 0
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adc r11, rdx
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add r8, 1
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jnc .0
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.1: mul r9
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add rax, r11
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mov [rcx+r8*8], rax
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mov eax, 0
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adc rax, rdx
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ret
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end
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