nb_kernel304_ia32_sse2.intel_syntax.s
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S
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;#;# $Id: nb_kernel304_ia32_sse2.intel_syntax.s,v 1.1.2.2 2007/11/28 18:35:35 spoel Exp $;#;# Gromacs 4.0 Copyright (c) 1991-2003 ;# David van der Spoel, Erik Lindahl;#;# This program is free software; you can redistribute it and/or;# modify it under the terms of the GNU General Public License;# as published by the Free Software Foundation; either version 2;# of the License, or (at your option) any later version.;#;# To help us fund GROMACS development, we humbly ask that you cite;# the research papers on the package. Check out http://www.gromacs.org;# ;# And Hey:;# Gnomes, ROck Monsters And Chili Sauce;#;# These files require GNU binutils 2.10 or later, since we;# use intel syntax for portability, or a recent version ;# of NASM that understands Extended 3DNow and SSE2 instructions.;# (NASM is normally only used with MS Visual C++).;# Since NASM and gnu as disagree on some definitions and use ;# completely different preprocessing options I have to introduce a;# trick: NASM uses ';' for comments, while gnu as uses '#' on x86.;# Gnu as treats ';' as a line break, i.e. ignores it. This is the;# reason why all comments need both symbols...;# The source is written for GNU as, with intel syntax. When you use;# NASM we redefine a couple of things. The false if-statement around ;# the following code is seen by GNU as, but NASM doesn't see it, so ;# the code inside is read by NASM but not gcc.; .if 0 # block below only read by NASM%define .section section%define .long dd%define .align align%define .globl global;# NASM only wants 'dword', not 'dword ptr'.%define ptr.equiv .equiv 2 %1 equ %2%endmacro; .endif # End of NASM-specific block; .intel_syntax noprefix # Line only read by gnu as .globl nb_kernel304_ia32_sse2.globl _nb_kernel304_ia32_sse2nb_kernel304_ia32_sse2: _nb_kernel304_ia32_sse2: .equiv nb304_p_nri, 8.equiv nb304_iinr, 12.equiv nb304_jindex, 16.equiv nb304_jjnr, 20.equiv nb304_shift, 24.equiv nb304_shiftvec, 28.equiv nb304_fshift, 32.equiv nb304_gid, 36.equiv nb304_pos, 40.equiv nb304_faction, 44.equiv nb304_charge, 48.equiv nb304_p_facel, 52.equiv nb304_argkrf, 56.equiv nb304_argcrf, 60.equiv nb304_Vc, 64.equiv nb304_type, 68.equiv nb304_p_ntype, 72.equiv nb304_vdwparam, 76.equiv nb304_Vvdw, 80.equiv nb304_p_tabscale, 84.equiv nb304_VFtab, 88.equiv nb304_invsqrta, 92.equiv nb304_dvda, 96.equiv nb304_p_gbtabscale, 100.equiv nb304_GBtab, 104.equiv nb304_p_nthreads, 108.equiv nb304_count, 112.equiv nb304_mtx, 116.equiv nb304_outeriter, 120.equiv nb304_inneriter, 124.equiv nb304_work, 128 ;# stack offsets for local variables ;# bottom of stack is cache-aligned for sse2 use .equiv nb304_ixM, 0.equiv nb304_iyM, 16.equiv nb304_izM, 32.equiv nb304_ixH1, 48.equiv nb304_iyH1, 64.equiv nb304_izH1, 80.equiv nb304_ixH2, 96.equiv nb304_iyH2, 112.equiv nb304_izH2, 128.equiv nb304_jxM, 144.equiv nb304_jyM, 160.equiv nb304_jzM, 176.equiv nb304_jxH1, 192.equiv nb304_jyH1, 208.equiv nb304_jzH1, 224.equiv nb304_jxH2, 240.equiv nb304_jyH2, 256.equiv nb304_jzH2, 272.equiv nb304_dxMM, 288.equiv nb304_dyMM, 304.equiv nb304_dzMM, 320.equiv nb304_dxMH1, 336.equiv nb304_dyMH1, 352.equiv nb304_dzMH1, 368.equiv nb304_dxMH2, 384.equiv nb304_dyMH2, 400.equiv nb304_dzMH2, 416.equiv nb304_dxH1M, 432.equiv nb304_dyH1M, 448.equiv nb304_dzH1M, 464.equiv nb304_dxH1H1, 480.equiv nb304_dyH1H1, 496.equiv nb304_dzH1H1, 512.equiv nb304_dxH1H2, 528.equiv nb304_dyH1H2, 544.equiv nb304_dzH1H2, 560.equiv nb304_dxH2M, 576.equiv nb304_dyH2M, 592.equiv nb304_dzH2M, 608.equiv nb304_dxH2H1, 624.equiv nb304_dyH2H1, 640.equiv nb304_dzH2H1, 656.equiv nb304_dxH2H2, 672.equiv nb304_dyH2H2, 688.equiv nb304_dzH2H2, 704.equiv nb304_qqMM, 720.equiv nb304_qqMH, 736.equiv nb304_qqHH, 752.equiv nb304_two, 768.equiv nb304_tsc, 784.equiv nb304_vctot, 800.equiv nb304_fixM, 816.equiv nb304_fiyM, 832.equiv nb304_fizM, 848.equiv nb304_fixH1, 864.equiv nb304_fiyH1, 880.equiv nb304_fizH1, 896.equiv nb304_fixH2, 912.equiv nb304_fiyH2, 928.equiv nb304_fizH2, 944.equiv nb304_fjxM, 960.equiv nb304_fjyM, 976.equiv nb304_fjzM, 992.equiv nb304_fjxH1, 1008.equiv nb304_fjyH1, 1024.equiv nb304_fjzH1, 1040.equiv nb304_fjxH2, 1056.equiv nb304_fjyH2, 1072.equiv nb304_fjzH2, 1088.equiv nb304_half, 1104.equiv nb304_three, 1120.equiv nb304_rsqMM, 1136.equiv nb304_rsqMH1, 1152.equiv nb304_rsqMH2, 1168.equiv nb304_rsqH1M, 1184.equiv nb304_rsqH1H1, 1200.equiv nb304_rsqH1H2, 1216.equiv nb304_rsqH2M, 1232.equiv nb304_rsqH2H1, 1248.equiv nb304_rsqH2H2, 1264.equiv nb304_rinvMM, 1280.equiv nb304_rinvMH1, 1296.equiv nb304_rinvMH2, 1312.equiv nb304_rinvH1M, 1328.equiv nb304_rinvH1H1, 1344.equiv nb304_rinvH1H2, 1360.equiv nb304_rinvH2M, 1376.equiv nb304_rinvH2H1, 1392.equiv nb304_rinvH2H2, 1408.equiv nb304_is3, 1424.equiv nb304_ii3, 1428.equiv nb304_innerjjnr, 1432.equiv nb304_innerk, 1436.equiv nb304_n, 1440.equiv nb304_nn1, 1444.equiv nb304_nri, 1448.equiv nb304_nouter, 1452.equiv nb304_ninner, 1456.equiv nb304_salign, 1460 push ebp mov ebp,esp push eax push ebx push ecx push edx push esi push edi sub esp, 1464 ;# local stack space mov eax, esp and eax, 0xf sub esp, eax mov [esp + nb304_salign], eax emms ;# Move args passed by reference to stack mov ecx, [ebp + nb304_p_nri] mov ecx, [ecx] mov [esp + nb304_nri], ecx ;# zero iteration counters mov eax, 0 mov [esp + nb304_nouter], eax mov [esp + nb304_ninner], eax ;# create constant floating-point factors on stack mov eax, 0x00000000 ;# lower half of double 0.5 IEEE (hex) mov ebx, 0x3fe00000 mov [esp + nb304_half], eax mov [esp + nb304_half+4], ebx movsd xmm1, [esp + nb304_half] shufpd xmm1, xmm1, 0 ;# splat to all elements movapd xmm3, xmm1 addpd xmm3, xmm3 ;# 1.0 movapd xmm2, xmm3 addpd xmm2, xmm2 ;# 2.0 addpd xmm3, xmm2 ;# 3.0 movapd [esp + nb304_half], xmm1 movapd [esp + nb304_two], xmm2 movapd [esp + nb304_three], xmm3 mov eax, [ebp + nb304_p_tabscale] movsd xmm3, [eax] shufpd xmm3, xmm3, 0 movapd [esp + nb304_tsc], xmm3 ;# assume we have at least one i particle - start directly mov ecx, [ebp + nb304_iinr] ;# ecx = pointer into iinr[] mov ebx, [ecx] ;# ebx =ii mov edx, [ebp + nb304_charge] movsd xmm3, [edx + ebx*8 + 24] movsd xmm4, xmm3 movsd xmm5, [edx + ebx*8 + 8] mov esi, [ebp + nb304_p_facel] movsd xmm6, [esi] mulsd xmm3, xmm3 mulsd xmm4, xmm5 mulsd xmm5, xmm5 mulsd xmm3, xmm6 mulsd xmm4, xmm6 mulsd xmm5, xmm6 shufpd xmm3, xmm3, 0 shufpd xmm4, xmm4, 0 shufpd xmm5, xmm5, 0 movapd [esp + nb304_qqMM], xmm3 movapd [esp + nb304_qqMH], xmm4 movapd [esp + nb304_qqHH], xmm5 .nb304_threadloop: mov esi, [ebp + nb304_count] ;# pointer to sync counter mov eax, [esi].nb304_spinlock: mov ebx, eax ;# ebx=*count=nn0 add ebx, 1 ;# ebx=nn1=nn0+10 lock cmpxchg [esi], ebx ;# write nn1 to *counter, ;# if it hasnt changed. ;# or reread *counter to eax. pause ;# -> better p4 performance jnz .nb304_spinlock ;# if(nn1>nri) nn1=nri mov ecx, [esp + nb304_nri] mov edx, ecx sub ecx, ebx cmovle ebx, edx ;# if(nn1>nri) nn1=nri ;# Cleared the spinlock if we got here. ;# eax contains nn0, ebx contains nn1. mov [esp + nb304_n], eax mov [esp + nb304_nn1], ebx sub ebx, eax ;# calc number of outer lists mov esi, eax ;# copy n to esi jg .nb304_outerstart jmp .nb304_end.nb304_outerstart: ;# ebx contains number of outer iterations add ebx, [esp + nb304_nouter] mov [esp + nb304_nouter], ebx.nb304_outer: mov eax, [ebp + nb304_shift] ;# eax = pointer into shift[] mov ebx, [eax +esi*4] ;# ebx=shift[n] lea ebx, [ebx + ebx*2] ;# ebx=3*is mov [esp + nb304_is3],ebx ;# store is3 mov eax, [ebp + nb304_shiftvec] ;# eax = base of shiftvec[] movsd xmm0, [eax + ebx*8] movsd xmm1, [eax + ebx*8 + 8] movsd xmm2, [eax + ebx*8 + 16] mov ecx, [ebp + nb304_iinr] ;# ecx = pointer into iinr[] mov ebx, [ecx + esi*4] ;# ebx =ii lea ebx, [ebx + ebx*2] ;# ebx = 3*ii=ii3 mov eax, [ebp + nb304_pos] ;# eax = base of pos[] mov [esp + nb304_ii3], ebx movapd xmm3, xmm0 movapd xmm3, xmm0 movapd xmm4, xmm1 movapd xmm5, xmm2 addsd xmm3, [eax + ebx*8 + 24] addsd xmm4, [eax + ebx*8 + 32] addsd xmm5, [eax + ebx*8 + 40] shufpd xmm3, xmm3, 0 shufpd xmm4, xmm4, 0 shufpd xmm5, xmm5, 0 movapd [esp + nb304_ixH1], xmm3 movapd [esp + nb304_iyH1], xmm4 movapd [esp + nb304_izH1], xmm5 movsd xmm3, xmm0 movsd xmm4, xmm1 movsd xmm5, xmm2 addsd xmm0, [eax + ebx*8 + 48] addsd xmm1, [eax + ebx*8 + 56] addsd xmm2, [eax + ebx*8 + 64] addsd xmm3, [eax + ebx*8 + 72] addsd xmm4, [eax + ebx*8 + 80] addsd xmm5, [eax + ebx*8 + 88] shufpd xmm0, xmm0, 0 shufpd xmm1, xmm1, 0 shufpd xmm2, xmm2, 0 shufpd xmm3, xmm3, 0 shufpd xmm4, xmm4, 0 shufpd xmm5, xmm5, 0 movapd [esp + nb304_ixH2], xmm0 movapd [esp + nb304_iyH2], xmm1 movapd [esp + nb304_izH2], xmm2 movapd [esp + nb304_ixM], xmm3 movapd [esp + nb304_iyM], xmm4 movapd [esp + nb304_izM], xmm5 ;# clear vctot and i forces xorpd xmm4, xmm4 movapd [esp + nb304_vctot], xmm4 movapd [esp + nb304_fixM], xmm4 movapd [esp + nb304_fiyM], xmm4 movapd [esp + nb304_fizM], xmm4 movapd [esp + nb304_fixH1], xmm4 movapd [esp + nb304_fiyH1], xmm4 movapd [esp + nb304_fizH1], xmm4 movapd [esp + nb304_fixH2], xmm4 movapd [esp + nb304_fiyH2], xmm4 movapd [esp + nb304_fizH2], xmm4 mov eax, [ebp + nb304_jindex] mov ecx, [eax + esi*4] ;# jindex[n] mov edx, [eax + esi*4 + 4] ;# jindex[n+1] sub edx, ecx ;# number of innerloop atoms mov esi, [ebp + nb304_pos] mov edi, [ebp + nb304_faction] mov eax, [ebp + nb304_jjnr] shl ecx, 2 add eax, ecx mov [esp + nb304_innerjjnr], eax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 2 add ecx, [esp + nb304_ninner] mov [esp + nb304_ninner], ecx add edx, 0 mov [esp + nb304_innerk], edx ;# number of innerloop atoms jge .nb304_unroll_loop jmp .nb304_checksingle.nb304_unroll_loop: ;# twice unrolled innerloop here mov edx, [esp + nb304_innerjjnr] ;# pointer to jjnr[k] mov eax, [edx] mov ebx, [edx + 4] add dword ptr [esp + nb304_innerjjnr], 8 ;# advance pointer (unrolled 2) mov esi, [ebp + nb304_pos] ;# base of pos[] lea eax, [eax + eax*2] ;# replace jnr with j3 lea ebx, [ebx + ebx*2] ;# move j coordinates to local temp variables movlpd xmm2, [esi + eax*8 + 24] movlpd xmm3, [esi + eax*8 + 32] movlpd xmm4, [esi + eax*8 + 40] movlpd xmm5, [esi + eax*8 + 48] movlpd xmm6, [esi + eax*8 + 56] movlpd xmm7, [esi + eax*8 + 64] movhpd xmm2, [esi + ebx*8 + 24] movhpd xmm3, [esi + ebx*8 + 32] movhpd xmm4, [esi + ebx*8 + 40] movhpd xmm5, [esi + ebx*8 + 48] movhpd xmm6, [esi + ebx*8 + 56] movhpd xmm7, [esi + ebx*8 + 64] movapd [esp + nb304_jxH1], xmm2 movapd [esp + nb304_jyH1], xmm3 movapd [esp + nb304_jzH1], xmm4 movapd [esp + nb304_jxH2], xmm5 movapd [esp + nb304_jyH2], xmm6 movapd [esp + nb304_jzH2], xmm7 movlpd xmm2, [esi + eax*8 + 72] movlpd xmm3, [esi + eax*8 + 80] movlpd xmm4, [esi + eax*8 + 88] movhpd xmm2, [esi + ebx*8 + 72] movhpd xmm3, [esi + ebx*8 + 80] movhpd xmm4, [esi + ebx*8 + 88] movapd [esp + nb304_jxM], xmm2 movapd [esp + nb304_jyM], xmm3 movapd [esp + nb304_jzM], xmm4 movapd xmm0, [esp + nb304_ixM] movapd xmm1, [esp + nb304_iyM] movapd xmm2, [esp + nb304_izM] movapd xmm3, [esp + nb304_ixM] movapd xmm4, [esp + nb304_iyM] movapd xmm5, [esp + nb304_izM] subpd xmm0, [esp + nb304_jxM] subpd xmm1, [esp + nb304_jyM] subpd xmm2, [esp + nb304_jzM] subpd xmm3, [esp + nb304_jxH1] subpd xmm4, [esp + nb304_jyH1] subpd xmm5, [esp + nb304_jzH1] movapd [esp + nb304_dxMM], xmm0 movapd [esp + nb304_dyMM], xmm1 movapd [esp + nb304_dzMM], xmm2 mulpd xmm0, xmm0 mulpd xmm1, xmm1 mulpd xmm2, xmm2 movapd [esp + nb304_dxMH1], xmm3 movapd [esp + nb304_dyMH1], xmm4 movapd [esp + nb304_dzMH1], xmm5 mulpd xmm3, xmm3 mulpd xmm4, xmm4 mulpd xmm5, xmm5 addpd xmm0, xmm1 addpd xmm0, xmm2 addpd xmm3, xmm4 addpd xmm3, xmm5⌨️ 快捷键说明
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