190 lines
3.8 KiB
ActionScript
190 lines
3.8 KiB
ActionScript
; AMD64 mpn_addmul_1 optimised for Intel Haswell.
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; Contributed to the GNU project by Torbjörn Granlund.
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; Converted to MPIR by Alexander Kruppa.
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; Copyright 2013 Free Software Foundation, Inc.
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; This file is part of the GNU MP Library.
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;
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; The GNU MP Library is free software; you can redistribute it and/or modify
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; it under the terms of either:
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;
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; * the GNU Lesser General Public License as published by the Free
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; Software Foundation; either version 3 of the License, or (at your
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; option) any later version.
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;
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; or
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;
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; * the GNU General Public License as published by the Free Software
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; Foundation; either version 2 of the License, or (at your option) any
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; later version.
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;
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; or both in parallel, as here.
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;
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; The GNU MP 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 General Public License
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; for more details.
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;
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; You should have received copies of the GNU General Public License and the
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; GNU Lesser General Public License along with the GNU MP Library. If not,
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; see https://www.gnu.org/licenses/.
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%include 'yasm_mac.inc'
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BITS 64
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%ifdef USE_WIN64
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%define RP rcx
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%define S1P rbp
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%define Size r8
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%define Sizeb r8b
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%define Limb r9
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%define Tmp0 r12
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%define Tmp1 r13
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%define Tmp2 rax
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%define Tmp3 rbx
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%define Tmp4 rsi
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%define Tmp5 rdi
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%define Tmp6 r10
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%define Tmp7 r11
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%define Tmp8 r9
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%else
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%define RP rdi
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%define S1P rsi
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%define Size rbp
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%define Sizeb bpl
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%define Limb rcx
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%define Tmp0 r12
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%define Tmp1 r13
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%define Tmp2 rax
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%define Tmp3 rbx
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%define Tmp4 r8
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%define Tmp5 r9
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%define Tmp6 r10
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%define Tmp7 r11
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%define Tmp8 rcx
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%endif
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%define ADDSUB add
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%define ADCSBB adc
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align 16
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GLOBAL_FUNC mpn_addmul_1
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push rbx
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push rbp
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push r12
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push r13
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mov rbp, rdx ; mulx requires one input in rdx
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mov rdx, Limb
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test Sizeb, 1
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jnz .Lbx1
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.Lbx0: shr Size, 2
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jc .Lb10 ;ajs:notshortform
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.Lb00: mulx Tmp0, Tmp1, [S1P]
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mulx Tmp2, Tmp3, [S1P+8]
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add Tmp3, Tmp0
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adc Tmp2, 0
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mov Tmp0, [RP]
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mov Tmp8, [RP+8]
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mulx Tmp4, Tmp5, [S1P+16]
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lea RP, [RP-16]
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lea S1P, [S1P+16]
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ADDSUB Tmp0, Tmp1
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jmp .Llo0 ;ajs:notshortform
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.Lbx1: shr Size, 2
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jc .Lb11
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.Lb01: mulx Tmp6, Tmp7, [S1P]
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jnz .Lgt1
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.Ln1: ADDSUB [RP], Tmp7
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mov eax, 0
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adc Tmp2, Tmp6
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jmp .Lret ;ajs:notshortform
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.Lgt1: mulx Tmp0, Tmp1, [S1P+8]
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mulx Tmp2, Tmp3, [S1P+16]
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lea S1P, [S1P+24]
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add Tmp1, Tmp6
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adc Tmp3, Tmp0
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adc Tmp2, 0
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mov Tmp6, [RP]
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mov Tmp0, [RP+8]
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mov Tmp8, [RP+16]
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lea RP, [RP-8]
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ADDSUB Tmp6, Tmp7
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jmp .Llo1
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.Lb11: mulx Tmp2, Tmp3, [S1P]
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mov Tmp8, [RP]
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mulx Tmp4, Tmp5, [S1P+8]
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lea S1P, [S1P+8]
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lea RP, [RP-24]
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inc Size
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ADDSUB Tmp8, Tmp3
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jmp .Llo3
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.Lb10: mulx Tmp4, Tmp5, [S1P]
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mulx Tmp6, Tmp7, [S1P+8]
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lea RP, [RP-32]
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mov eax, 0
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clc
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jz .Lend ;ajs:notshortform
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align 16
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.Ltop: adc Tmp5, Tmp2
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lea RP, [RP+32]
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adc Tmp7, Tmp4
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mulx Tmp0, Tmp1, [S1P+16]
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mov Tmp4, [RP]
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mulx Tmp2, Tmp3, [S1P+24]
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lea S1P, [S1P+32]
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adc Tmp1, Tmp6
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adc Tmp3, Tmp0
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adc Tmp2, 0
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mov Tmp6, [RP+8]
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mov Tmp0, [RP+16]
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ADDSUB Tmp4, Tmp5
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mov Tmp8, [RP+24]
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mov [RP], Tmp4
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ADCSBB Tmp6, Tmp7
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.Llo1: mulx Tmp4, Tmp5, [S1P]
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mov [RP+8], Tmp6
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ADCSBB Tmp0, Tmp1
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.Llo0: mov [RP+16], Tmp0
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ADCSBB Tmp8, Tmp3
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.Llo3: mulx Tmp6, Tmp7, [S1P+8]
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mov [RP+24], Tmp8
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dec Size
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jnz .Ltop
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.Lend: adc Tmp5, Tmp2
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adc Tmp7, Tmp4
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mov Tmp4, [RP+32]
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mov Tmp2, Tmp6
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adc Tmp2, 0
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mov Tmp6, [RP+40]
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ADDSUB Tmp4, Tmp5
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mov [RP+32], Tmp4
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ADCSBB Tmp6, Tmp7
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mov [RP+40], Tmp6
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adc Tmp2, 0
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.Lret: pop r13
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pop r12
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pop rbp
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pop rbx
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ret
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