149 lines
3.6 KiB
NASM
149 lines
3.6 KiB
NASM
; PROLOGUE(mpn_sub_err1_n)
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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_sub_err1(mp_ptr, mp_ptr, mp_ptr, mp_ptr, mp_ptr, mp_size_t, mp_limb_t)
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; rax rdi rsi rdx rcx r8 r9 8(rsp)
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; rax rcx rdx r8 r9 [rsp+40] [rsp+48] [rsp+56]
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%include "yasm_mac.inc"
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CPU Athlon64
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BITS 64
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%define reg_save_list rbx, rsi, rdi, rbp, r12, r13, r14, r15
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FRAME_PROC mpn_sub_err1_n, 0, reg_save_list
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mov [rsp+stack_use+32], r9
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mov r9, qword [rsp+stack_use+48]
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mov r10, [rsp++stack_use+56]
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lea rdi, [rcx+r9*8-24]
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lea rsi, [rdx+r9*8-24]
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lea rdx, [r8+r9*8-24]
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mov r8, [rsp+stack_use+40]
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mov r11, 3
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shl r10, 63
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lea r8, [r8+r9*8]
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sub r11, r9
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mov r9, 0
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mov rax, 0
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mov rbx, 0
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jnc .2
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xalign 16
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.1: mov r12, [rsi+r11*8]
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mov r13, [rsi+r11*8+8]
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mov r14, [rsi+r11*8+16]
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mov r15, [rsi+r11*8+24]
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mov rbp, 0
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shl r10, 1
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sbb r12, [rdx+r11*8]
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cmovc rax, [r8-8]
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sbb r13, [rdx+r11*8+8]
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cmovc rbx, [r8-16]
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mov rcx, 0
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sbb r14, [rdx+r11*8+16]
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cmovc rcx, [r8-24]
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sbb r15, [rdx+r11*8+24]
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cmovc rbp, [r8-32]
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rcr r10, 1
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add r9, rax
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adc r10, 0
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add r9, rbx
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adc r10, 0
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add r9, rcx
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mov rax, 0
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adc r10, 0
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lea r8, [r8-32]
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add r9, rbp
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adc r10, 0
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mov [rdi+r11*8], r12
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mov [rdi+r11*8+8], r13
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mov [rdi+r11*8+16], r14
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mov [rdi+r11*8+24], r15
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mov rbx, 0
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add r11, 4
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jnc .1
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.2: cmp r11, 2
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ja .6
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je .5
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jp .4
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.3: mov r12, [rsi+r11*8]
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mov r13, [rsi+r11*8+8]
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mov r14, [rsi+r11*8+16]
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shl r10, 1
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sbb r12, [rdx+r11*8]
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cmovc rax, [r8-8]
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sbb r13, [rdx+r11*8+8]
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cmovc rbx, [r8-16]
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mov rcx, 0
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sbb r14, [rdx+r11*8+16]
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cmovc rcx, [r8-24]
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rcr r10, 1
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add r9, rax
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adc r10, 0
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add r9, rbx
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adc r10, 0
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add r9, rcx
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adc r10, 0
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mov [rdi+r11*8], r12
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mov [rdi+r11*8+8], r13
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mov [rdi+r11*8+16], r14
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jmp .6
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xalign 16
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.4: mov r12, [rsi+r11*8]
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mov r13, [rsi+r11*8+8]
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shl r10, 1
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sbb r12, [rdx+r11*8]
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cmovc rax, [r8-8]
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sbb r13, [rdx+r11*8+8]
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cmovc rbx, [r8-16]
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rcr r10, 1
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add r9, rax
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adc r10, 0
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add r9, rbx
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adc r10, 0
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mov [rdi+r11*8], r12
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mov [rdi+r11*8+8], r13
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jmp .6
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xalign 16
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.5: mov r12, [rsi+r11*8]
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shl r10, 1
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sbb r12, [rdx+r11*8]
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cmovc rax, [r8-8]
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rcr r10, 1
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add r9, rax
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adc r10, 0
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mov [rdi+r11*8], r12
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.6: mov rcx, [rsp+stack_use+32]
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mov [rcx], r9
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btr r10, 63
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mov [rcx+8], r10
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mov rax, 0
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adc rax, 0
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END_PROC reg_save_list
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end
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