nb_kernel332_ia32_sse2.intel_syntax.s
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S
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;#;# $Id: nb_kernel332_ia32_sse2.intel_syntax.s,v 1.1.2.2 2007/11/28 18:35:36 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_kernel332_ia32_sse2.globl _nb_kernel332_ia32_sse2nb_kernel332_ia32_sse2: _nb_kernel332_ia32_sse2: .equiv nb332_p_nri, 8.equiv nb332_iinr, 12.equiv nb332_jindex, 16.equiv nb332_jjnr, 20.equiv nb332_shift, 24.equiv nb332_shiftvec, 28.equiv nb332_fshift, 32.equiv nb332_gid, 36.equiv nb332_pos, 40.equiv nb332_faction, 44.equiv nb332_charge, 48.equiv nb332_p_facel, 52.equiv nb332_argkrf, 56.equiv nb332_argcrf, 60.equiv nb332_Vc, 64.equiv nb332_type, 68.equiv nb332_p_ntype, 72.equiv nb332_vdwparam, 76.equiv nb332_Vvdw, 80.equiv nb332_p_tabscale, 84.equiv nb332_VFtab, 88.equiv nb332_invsqrta, 92.equiv nb332_dvda, 96.equiv nb332_p_gbtabscale, 100.equiv nb332_GBtab, 104.equiv nb332_p_nthreads, 108.equiv nb332_count, 112.equiv nb332_mtx, 116.equiv nb332_outeriter, 120.equiv nb332_inneriter, 124.equiv nb332_work, 128 ;# stack offsets for local variables ;# bottom of stack is cache-aligned for sse2 use .equiv nb332_ixO, 0.equiv nb332_iyO, 16.equiv nb332_izO, 32.equiv nb332_ixH1, 48.equiv nb332_iyH1, 64.equiv nb332_izH1, 80.equiv nb332_ixH2, 96.equiv nb332_iyH2, 112.equiv nb332_izH2, 128.equiv nb332_jxO, 144.equiv nb332_jyO, 160.equiv nb332_jzO, 176.equiv nb332_jxH1, 192.equiv nb332_jyH1, 208.equiv nb332_jzH1, 224.equiv nb332_jxH2, 240.equiv nb332_jyH2, 256.equiv nb332_jzH2, 272.equiv nb332_dxOO, 288.equiv nb332_dyOO, 304.equiv nb332_dzOO, 320.equiv nb332_dxOH1, 336.equiv nb332_dyOH1, 352.equiv nb332_dzOH1, 368.equiv nb332_dxOH2, 384.equiv nb332_dyOH2, 400.equiv nb332_dzOH2, 416.equiv nb332_dxH1O, 432.equiv nb332_dyH1O, 448.equiv nb332_dzH1O, 464.equiv nb332_dxH1H1, 480.equiv nb332_dyH1H1, 496.equiv nb332_dzH1H1, 512.equiv nb332_dxH1H2, 528.equiv nb332_dyH1H2, 544.equiv nb332_dzH1H2, 560.equiv nb332_dxH2O, 576.equiv nb332_dyH2O, 592.equiv nb332_dzH2O, 608.equiv nb332_dxH2H1, 624.equiv nb332_dyH2H1, 640.equiv nb332_dzH2H1, 656.equiv nb332_dxH2H2, 672.equiv nb332_dyH2H2, 688.equiv nb332_dzH2H2, 704.equiv nb332_qqOO, 720.equiv nb332_qqOH, 736.equiv nb332_qqHH, 752.equiv nb332_two, 768.equiv nb332_tsc, 784.equiv nb332_c6, 800.equiv nb332_c12, 816.equiv nb332_vctot, 832.equiv nb332_Vvdwtot, 848.equiv nb332_fixO, 864.equiv nb332_fiyO, 880.equiv nb332_fizO, 896.equiv nb332_fixH1, 912.equiv nb332_fiyH1, 928.equiv nb332_fizH1, 944.equiv nb332_fixH2, 960.equiv nb332_fiyH2, 976.equiv nb332_fizH2, 992.equiv nb332_fjxO, 1008.equiv nb332_fjyO, 1024.equiv nb332_fjzO, 1040.equiv nb332_fjxH1, 1056.equiv nb332_fjyH1, 1072.equiv nb332_fjzH1, 1088.equiv nb332_fjxH2, 1104.equiv nb332_fjyH2, 1120.equiv nb332_fjzH2, 1136.equiv nb332_half, 1152.equiv nb332_three, 1168.equiv nb332_rsqOO, 1184.equiv nb332_rsqOH1, 1200.equiv nb332_rsqOH2, 1216.equiv nb332_rsqH1O, 1232.equiv nb332_rsqH1H1, 1248.equiv nb332_rsqH1H2, 1264.equiv nb332_rsqH2O, 1280.equiv nb332_rsqH2H1, 1296.equiv nb332_rsqH2H2, 1312.equiv nb332_rinvOO, 1328.equiv nb332_rinvOH1, 1344.equiv nb332_rinvOH2, 1360.equiv nb332_rinvH1O, 1376.equiv nb332_rinvH1H1, 1392.equiv nb332_rinvH1H2, 1408.equiv nb332_rinvH2O, 1424.equiv nb332_rinvH2H1, 1440.equiv nb332_rinvH2H2, 1456.equiv nb332_fscal, 1472.equiv nb332_is3, 1488.equiv nb332_ii3, 1492.equiv nb332_innerjjnr, 1496.equiv nb332_innerk, 1500.equiv nb332_n, 1504.equiv nb332_nn1, 1508.equiv nb332_nri, 1512.equiv nb332_nouter, 1516.equiv nb332_ninner, 1520.equiv nb332_salign, 1524 push ebp mov ebp,esp push eax push ebx push ecx push edx push esi push edi sub esp, 1528 ;# local stack space mov eax, esp and eax, 0xf sub esp, eax mov [esp + nb332_salign], eax emms ;# Move args passed by reference to stack mov ecx, [ebp + nb332_p_nri] mov ecx, [ecx] mov [esp + nb332_nri], ecx ;# zero iteration counters mov eax, 0 mov [esp + nb332_nouter], eax mov [esp + nb332_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 + nb332_half], eax mov [esp + nb332_half+4], ebx movsd xmm1, [esp + nb332_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 + nb332_half], xmm1 movapd [esp + nb332_two], xmm2 movapd [esp + nb332_three], xmm3 mov eax, [ebp + nb332_p_tabscale] movsd xmm3, [eax] shufpd xmm3, xmm3, 0 movapd [esp + nb332_tsc], xmm3 ;# assume we have at least one i particle - start directly mov ecx, [ebp + nb332_iinr] ;# ecx = pointer into iinr[] mov ebx, [ecx] ;# ebx =ii mov edx, [ebp + nb332_charge] movsd xmm3, [edx + ebx*8] movsd xmm4, xmm3 movsd xmm5, [edx + ebx*8 + 8] mov esi, [ebp + nb332_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 + nb332_qqOO], xmm3 movapd [esp + nb332_qqOH], xmm4 movapd [esp + nb332_qqHH], xmm5 xorpd xmm0, xmm0 mov edx, [ebp + nb332_type] mov ecx, [edx + ebx*4] shl ecx, 1 mov edx, ecx mov edi, [ebp + nb332_p_ntype] imul ecx, [edi] ;# ecx = ntia = 2*ntype*type[ii0] add edx, ecx mov eax, [ebp + nb332_vdwparam] movlpd xmm0, [eax + edx*8] movlpd xmm1, [eax + edx*8 + 8] shufpd xmm0, xmm0, 0 shufpd xmm1, xmm1, 0 movapd [esp + nb332_c6], xmm0 movapd [esp + nb332_c12], xmm1.nb332_threadloop: mov esi, [ebp + nb332_count] ;# pointer to sync counter mov eax, [esi].nb332_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 .nb332_spinlock ;# if(nn1>nri) nn1=nri mov ecx, [esp + nb332_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 + nb332_n], eax mov [esp + nb332_nn1], ebx sub ebx, eax ;# calc number of outer lists mov esi, eax ;# copy n to esi jg .nb332_outerstart jmp .nb332_end.nb332_outerstart: ;# ebx contains number of outer iterations add ebx, [esp + nb332_nouter] mov [esp + nb332_nouter], ebx.nb332_outer: mov eax, [ebp + nb332_shift] ;# eax = pointer into shift[] mov ebx, [eax+esi*4] ;# ebx=shift[n] lea ebx, [ebx + ebx*2] ;# ebx=3*is mov [esp + nb332_is3],ebx ;# store is3 mov eax, [ebp + nb332_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 + nb332_iinr] ;# ecx = pointer into iinr[] mov ebx, [ecx+esi*4] ;# ebx =ii lea ebx, [ebx + ebx*2] ;# ebx = 3*ii=ii3 mov eax, [ebp + nb332_pos] ;# eax = base of pos[] mov [esp + nb332_ii3], ebx movapd xmm3, xmm0 movapd xmm4, xmm1 movapd xmm5, xmm2 addsd xmm3, [eax + ebx*8] addsd xmm4, [eax + ebx*8 + 8] addsd xmm5, [eax + ebx*8 + 16] shufpd xmm3, xmm3, 0 shufpd xmm4, xmm4, 0 shufpd xmm5, xmm5, 0 movapd [esp + nb332_ixO], xmm3 movapd [esp + nb332_iyO], xmm4 movapd [esp + nb332_izO], xmm5 movsd xmm3, xmm0 movsd xmm4, xmm1 movsd xmm5, xmm2 addsd xmm0, [eax + ebx*8 + 24] addsd xmm1, [eax + ebx*8 + 32] addsd xmm2, [eax + ebx*8 + 40] addsd xmm3, [eax + ebx*8 + 48] addsd xmm4, [eax + ebx*8 + 56] addsd xmm5, [eax + ebx*8 + 64] 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 + nb332_ixH1], xmm0 movapd [esp + nb332_iyH1], xmm1 movapd [esp + nb332_izH1], xmm2 movapd [esp + nb332_ixH2], xmm3 movapd [esp + nb332_iyH2], xmm4 movapd [esp + nb332_izH2], xmm5 ;# clear vctot and i forces xorpd xmm4, xmm4 movapd [esp + nb332_vctot], xmm4 movapd [esp + nb332_Vvdwtot], xmm4 movapd [esp + nb332_fixO], xmm4 movapd [esp + nb332_fiyO], xmm4 movapd [esp + nb332_fizO], xmm4 movapd [esp + nb332_fixH1], xmm4 movapd [esp + nb332_fiyH1], xmm4 movapd [esp + nb332_fizH1], xmm4 movapd [esp + nb332_fixH2], xmm4 movapd [esp + nb332_fiyH2], xmm4 movapd [esp + nb332_fizH2], xmm4 mov eax, [ebp + nb332_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 + nb332_pos] mov edi, [ebp + nb332_faction] mov eax, [ebp + nb332_jjnr] shl ecx, 2 add eax, ecx mov [esp + nb332_innerjjnr], eax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 2 add ecx, [esp + nb332_ninner] mov [esp + nb332_ninner], ecx add edx, 0 mov [esp + nb332_innerk], edx ;# number of innerloop atoms jge .nb332_unroll_loop jmp .nb332_checksingle.nb332_unroll_loop: ;# twice unrolled innerloop here mov edx, [esp + nb332_innerjjnr] ;# pointer to jjnr[k] mov eax, [edx] mov ebx, [edx + 4] add dword ptr [esp + nb332_innerjjnr], 8 ;# advance pointer (unrolled 2) mov esi, [ebp + nb332_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] movlpd xmm3, [esi + eax*8 + 8] movlpd xmm4, [esi + eax*8 + 16] movlpd xmm5, [esi + eax*8 + 24] movlpd xmm6, [esi + eax*8 + 32] movlpd xmm7, [esi + eax*8 + 40] movhpd xmm2, [esi + ebx*8] movhpd xmm3, [esi + ebx*8 + 8] movhpd xmm4, [esi + ebx*8 + 16] movhpd xmm5, [esi + ebx*8 + 24] movhpd xmm6, [esi + ebx*8 + 32] movhpd xmm7, [esi + ebx*8 + 40] movapd [esp + nb332_jxO], xmm2 movapd [esp + nb332_jyO], xmm3 movapd [esp + nb332_jzO], xmm4 movapd [esp + nb332_jxH1], xmm5 movapd [esp + nb332_jyH1], xmm6 movapd [esp + nb332_jzH1], xmm7 movlpd xmm2, [esi + eax*8 + 48] movlpd xmm3, [esi + eax*8 + 56] movlpd xmm4, [esi + eax*8 + 64] movhpd xmm2, [esi + ebx*8 + 48] movhpd xmm3, [esi + ebx*8 + 56] movhpd xmm4, [esi + ebx*8 + 64] movapd [esp + nb332_jxH2], xmm2 movapd [esp + nb332_jyH2], xmm3 movapd [esp 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