nb_kernel312_x86_64_sse2.intel_syntax.s
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;#;# $Id: nb_kernel312_x86_64_sse2.intel_syntax.s,v 1.1.2.2 2006/09/22 08:40:36 lindahl 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_kernel312_x86_64_sse2.globl _nb_kernel312_x86_64_sse2nb_kernel312_x86_64_sse2: _nb_kernel312_x86_64_sse2: ;# Room for return address and rbp (16 bytes).equiv nb312_fshift, 16.equiv nb312_gid, 24.equiv nb312_pos, 32.equiv nb312_faction, 40.equiv nb312_charge, 48.equiv nb312_p_facel, 56.equiv nb312_argkrf, 64.equiv nb312_argcrf, 72.equiv nb312_Vc, 80.equiv nb312_type, 88.equiv nb312_p_ntype, 96.equiv nb312_vdwparam, 104.equiv nb312_Vvdw, 112.equiv nb312_p_tabscale, 120.equiv nb312_VFtab, 128.equiv nb312_invsqrta, 136.equiv nb312_dvda, 144.equiv nb312_p_gbtabscale, 152.equiv nb312_GBtab, 160.equiv nb312_p_nthreads, 168.equiv nb312_count, 176.equiv nb312_mtx, 184.equiv nb312_outeriter, 192.equiv nb312_inneriter, 200.equiv nb312_work, 208 ;# stack offsets for local variables ;# bottom of stack is cache-aligned for sse2 use .equiv nb312_ixO, 0.equiv nb312_iyO, 16.equiv nb312_izO, 32.equiv nb312_ixH1, 48.equiv nb312_iyH1, 64.equiv nb312_izH1, 80.equiv nb312_ixH2, 96.equiv nb312_iyH2, 112.equiv nb312_izH2, 128.equiv nb312_jxO, 144.equiv nb312_jyO, 160.equiv nb312_jzO, 176.equiv nb312_jxH1, 192.equiv nb312_jyH1, 208.equiv nb312_jzH1, 224.equiv nb312_jxH2, 240.equiv nb312_jyH2, 256.equiv nb312_jzH2, 272.equiv nb312_dxOO, 288.equiv nb312_dyOO, 304.equiv nb312_dzOO, 320.equiv nb312_dxOH1, 336.equiv nb312_dyOH1, 352.equiv nb312_dzOH1, 368.equiv nb312_dxOH2, 384.equiv nb312_dyOH2, 400.equiv nb312_dzOH2, 416.equiv nb312_dxH1O, 432.equiv nb312_dyH1O, 448.equiv nb312_dzH1O, 464.equiv nb312_dxH1H1, 480.equiv nb312_dyH1H1, 496.equiv nb312_dzH1H1, 512.equiv nb312_dxH1H2, 528.equiv nb312_dyH1H2, 544.equiv nb312_dzH1H2, 560.equiv nb312_dxH2O, 576.equiv nb312_dyH2O, 592.equiv nb312_dzH2O, 608.equiv nb312_dxH2H1, 624.equiv nb312_dyH2H1, 640.equiv nb312_dzH2H1, 656.equiv nb312_dxH2H2, 672.equiv nb312_dyH2H2, 688.equiv nb312_dzH2H2, 704.equiv nb312_qqOO, 720.equiv nb312_qqOH, 736.equiv nb312_qqHH, 752.equiv nb312_two, 768.equiv nb312_tsc, 784.equiv nb312_c6, 800.equiv nb312_c12, 816.equiv nb312_six, 832.equiv nb312_twelve, 848.equiv nb312_vctot, 864.equiv nb312_Vvdwtot, 880.equiv nb312_fixO, 896.equiv nb312_fiyO, 912.equiv nb312_fizO, 928.equiv nb312_fixH1, 944.equiv nb312_fiyH1, 960.equiv nb312_fizH1, 976.equiv nb312_fixH2, 992.equiv nb312_fiyH2, 1008.equiv nb312_fizH2, 1024.equiv nb312_fjxO, 1040.equiv nb312_fjyO, 1056.equiv nb312_fjzO, 1072.equiv nb312_epsO, 1088.equiv nb312_epsH1, 1104.equiv nb312_epsH2, 1120.equiv nb312_fjxH2, 1136.equiv nb312_fjyH2, 1152.equiv nb312_fjzH2, 1168.equiv nb312_half, 1184.equiv nb312_three, 1200.equiv nb312_rsqOO, 1216.equiv nb312_rsqOH1, 1232.equiv nb312_rsqOH2, 1248.equiv nb312_rsqH1O, 1264.equiv nb312_rsqH1H1, 1280.equiv nb312_rsqH1H2, 1296.equiv nb312_rsqH2O, 1312.equiv nb312_rsqH2H1, 1328.equiv nb312_rsqH2H2, 1344.equiv nb312_rinvOO, 1360.equiv nb312_rinvOH1, 1376.equiv nb312_rinvOH2, 1392.equiv nb312_rinvH1O, 1408.equiv nb312_rinvH1H1, 1424.equiv nb312_rinvH1H2, 1440.equiv nb312_rinvH2O, 1456.equiv nb312_rinvH2H1, 1472.equiv nb312_rinvH2H2, 1488.equiv nb312_fstmp, 1504.equiv nb312_is3, 1520.equiv nb312_ii3, 1524.equiv nb312_nri, 1528.equiv nb312_iinr, 1536.equiv nb312_jindex, 1544.equiv nb312_jjnr, 1552.equiv nb312_shift, 1560.equiv nb312_shiftvec, 1568.equiv nb312_facel, 1576.equiv nb312_innerjjnr, 1584.equiv nb312_innerk, 1592.equiv nb312_n, 1596.equiv nb312_nn1, 1600.equiv nb312_nouter, 1604.equiv nb312_ninner, 1608 push rbp mov rbp, rsp push rbx emms push r12 push r13 push r14 push r15 sub rsp, 1624 ;# local variable stack space (n*16+8) ;# zero 32-bit iteration counters mov eax, 0 mov [rsp + nb312_nouter], eax mov [rsp + nb312_ninner], eax mov edi, [rdi] mov [rsp + nb312_nri], edi mov [rsp + nb312_iinr], rsi mov [rsp + nb312_jindex], rdx mov [rsp + nb312_jjnr], rcx mov [rsp + nb312_shift], r8 mov [rsp + nb312_shiftvec], r9 mov rsi, [rbp + nb312_p_facel] movsd xmm0, [rsi] movsd [rsp + nb312_facel], xmm0 mov rax, [rbp + nb312_p_tabscale] movsd xmm3, [rax] shufpd xmm3, xmm3, 0 movapd [rsp + nb312_tsc], xmm3 ;# create constant floating-point factors on stack mov eax, 0x00000000 ;# lower half of double half IEEE (hex) mov ebx, 0x3fe00000 mov [rsp + nb312_half], eax mov [rsp + nb312_half+4], ebx movsd xmm1, [rsp + nb312_half] shufpd xmm1, xmm1, 0 ;# splat to all elements movapd xmm3, xmm1 addpd xmm3, xmm3 ;# one movapd xmm2, xmm3 addpd xmm2, xmm2 ;# two addpd xmm3, xmm2 ;# three movapd xmm4, xmm3 addpd xmm4, xmm4 ;# six movapd xmm5, xmm4 addpd xmm5, xmm5 ;# twelve movapd [rsp + nb312_half], xmm1 movapd [rsp + nb312_two], xmm2 movapd [rsp + nb312_three], xmm3 movapd [rsp + nb312_six], xmm4 movapd [rsp + nb312_twelve], xmm5 ;# assume we have at least one i particle - start directly mov rcx, [rsp + nb312_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx] ;# ebx =ii mov rdx, [rbp + nb312_charge] movsd xmm3, [rdx + rbx*8] movsd xmm4, xmm3 movsd xmm5, [rdx + rbx*8 + 8] mov rsi, [rbp + nb312_p_facel] movsd xmm0, [rsi] movsd xmm6, [rsp + nb312_facel] 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 [rsp + nb312_qqOO], xmm3 movapd [rsp + nb312_qqOH], xmm4 movapd [rsp + nb312_qqHH], xmm5 xorpd xmm0, xmm0 mov rdx, [rbp + nb312_type] mov ecx, [rdx + rbx*4] shl ecx, 1 mov edx, ecx mov rdi, [rbp + nb312_p_ntype] imul ecx, [rdi] ;# rcx = ntia = 2*ntype*type[ii0] add edx, ecx mov rax, [rbp + nb312_vdwparam] movlpd xmm0, [rax + rdx*8] movlpd xmm1, [rax + rdx*8 + 8] shufpd xmm0, xmm0, 0 shufpd xmm1, xmm1, 0 movapd [rsp + nb312_c6], xmm0 movapd [rsp + nb312_c12], xmm1.nb312_threadloop: mov rsi, [rbp + nb312_count] ;# pointer to sync counter mov eax, [rsi].nb312_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 .nb312_spinlock ;# if(nn1>nri) nn1=nri mov ecx, [rsp + nb312_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 [rsp + nb312_n], eax mov [rsp + nb312_nn1], ebx sub ebx, eax ;# calc number of outer lists mov esi, eax ;# copy n to esi jg .nb312_outerstart jmp .nb312_end.nb312_outerstart: ;# ebx contains number of outer iterations add ebx, [rsp + nb312_nouter] mov [rsp + nb312_nouter], ebx.nb312_outer: mov rax, [rsp + nb312_shift] ;# rax = pointer into shift[] mov ebx, [rax + rsi*4] ;# rbx=shift[n] lea rbx, [rbx + rbx*2] ;# rbx=3*is mov [rsp + nb312_is3],ebx ;# store is3 mov rax, [rsp + nb312_shiftvec] ;# rax = base of shiftvec[] movsd xmm0, [rax + rbx*8] movsd xmm1, [rax + rbx*8 + 8] movsd xmm2, [rax + rbx*8 + 16] mov rcx, [rsp + nb312_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx + rsi*4] ;# ebx =ii lea rbx, [rbx + rbx*2] ;# rbx = 3*ii=ii3 mov rax, [rbp + nb312_pos] ;# rax = base of pos[] mov [rsp + nb312_ii3], ebx movapd xmm3, xmm0 movapd xmm4, xmm1 movapd xmm5, xmm2 addsd xmm3, [rax + rbx*8] addsd xmm4, [rax + rbx*8 + 8] addsd xmm5, [rax + rbx*8 + 16] shufpd xmm3, xmm3, 0 shufpd xmm4, xmm4, 0 shufpd xmm5, xmm5, 0 movapd [rsp + nb312_ixO], xmm3 movapd [rsp + nb312_iyO], xmm4 movapd [rsp + nb312_izO], xmm5 movsd xmm3, xmm0 movsd xmm4, xmm1 movsd xmm5, xmm2 addsd xmm0, [rax + rbx*8 + 24] addsd xmm1, [rax + rbx*8 + 32] addsd xmm2, [rax + rbx*8 + 40] addsd xmm3, [rax + rbx*8 + 48] addsd xmm4, [rax + rbx*8 + 56] addsd xmm5, [rax + rbx*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 [rsp + nb312_ixH1], xmm0 movapd [rsp + nb312_iyH1], xmm1 movapd [rsp + nb312_izH1], xmm2 movapd [rsp + nb312_ixH2], xmm3 movapd [rsp + nb312_iyH2], xmm4 movapd [rsp + nb312_izH2], xmm5 ;# clear vctot and i forces xorpd xmm4, xmm4 movapd [rsp + nb312_vctot], xmm4 movapd [rsp + nb312_Vvdwtot], xmm4 movapd [rsp + nb312_fixO], xmm4 movapd [rsp + nb312_fiyO], xmm4 movapd [rsp + nb312_fizO], xmm4 movapd [rsp + nb312_fixH1], xmm4 movapd [rsp + nb312_fiyH1], xmm4 movapd [rsp + nb312_fizH1], xmm4 movapd [rsp + nb312_fixH2], xmm4 movapd [rsp + nb312_fiyH2], xmm4 movapd [rsp + nb312_fizH2], xmm4 mov rax, [rsp + nb312_jindex] mov ecx, [rax + rsi*4] ;# jindex[n] mov edx, [rax + rsi*4 + 4] ;# jindex[n+1] sub edx, ecx ;# number of innerloop atoms mov rsi, [rbp + nb312_pos] mov rdi, [rbp + nb312_faction] mov rax, [rsp + nb312_jjnr] shl ecx, 2 add rax, rcx mov [rsp + nb312_innerjjnr], rax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 2 add ecx, [rsp + nb312_ninner] mov [rsp + nb312_ninner], ecx add edx, 0 mov [rsp + nb312_innerk], edx ;# number of innerloop atoms jge .nb312_unroll_loop jmp .nb312_checksingle.nb312_unroll_loop: ;# twice unrolled innerloop here mov rdx, [rsp + nb312_innerjjnr] ;# pointer to jjnr[k] mov eax, [rdx] mov ebx, [rdx + 4] add qword ptr [rsp + nb312_innerjjnr], 8 ;# advance pointer (unrolled 2) mov rsi, [rbp + nb312_pos] ;# base of pos[] lea rax, [rax + rax*2] ;# replace jnr with j3 lea rbx, [rbx + rbx*2] ;# move j O coordinates to local temp variables movlpd xmm0, [rsi + rax*8] movlpd xmm1, [rsi + rax*8 + 8] movlpd xmm2, [rsi + rax*8 + 16] movhpd xmm0, [rsi + rbx*8] movhpd xmm1, [rsi + rbx*8 + 8] movhpd xmm2, [rsi + rbx*8 + 16] ;# xmm0 = Ox ;# xmm1 = Oy ;# xmm2 = Oz movapd xmm3, xmm0 movapd xmm4, xmm1 movapd xmm5, xmm2 movapd xmm6, xmm0 movapd xmm7, xmm1 movapd xmm8, xmm2 subpd xmm0, [rsp + nb312_ixO] subpd xmm1, [rsp + nb312_iyO] subpd xmm2, [rsp + nb312_izO] subpd xmm3, [rsp + nb312_ixH1] subpd xmm4, [rsp + nb312_iyH1] subpd xmm5, [rsp + nb312_izH1] subpd xmm6, [rsp + nb312_ixH2] subpd xmm7, [rsp + nb312_iyH2] subpd xmm8, [rsp + nb312_izH2] movapd [rsp + nb312_dxOO], xmm0 movapd [rsp + nb312_dyOO], xmm1 movapd [rsp + nb312_dzOO], xmm2 mulpd xmm0, xmm0 mulpd xmm1, xmm1 mulpd xmm2, xmm2 movapd [rsp + nb312_dxH1O], xmm3 movapd [rsp + nb312_dyH1O], xmm4 movapd [rsp + nb312_dzH1O], xmm5 mulpd xmm3, xmm3 mulpd xmm4, xmm4 mulpd xmm5, xmm5 movapd [rsp + nb312_dxH2O], xmm6 movapd [rsp + nb312_dyH2O], xmm7 movapd [rsp + nb312_dzH2O], xmm8 mulpd xmm6, xmm6 mulpd xmm7, xmm7 mulpd xmm8, xmm8 addpd xmm0, xmm1 addpd xmm0, xmm2 addpd xmm3, xmm4 addpd xmm3, xmm5 addpd xmm6, xmm7 addpd xmm6, xmm8 ;# start doing invsqrt for jO atoms cvtpd2ps xmm1, xmm0 cvtpd2ps xmm4, xmm3 cvtpd2ps xmm7, xmm6 rsqrtps xmm1, xmm1 rsqrtps xmm4, xmm4⌨️ 快捷键说明
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