nb_kernel202_x86_64_sse2.intel_syntax.s
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;#;# $Id: nb_kernel202_x86_64_sse2.intel_syntax.s,v 1.1.2.2 2006/09/22 08:40:33 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_kernel202_x86_64_sse2.globl _nb_kernel202_x86_64_sse2nb_kernel202_x86_64_sse2: _nb_kernel202_x86_64_sse2: .equiv nb202_fshift, 16.equiv nb202_gid, 24.equiv nb202_pos, 32.equiv nb202_faction, 40.equiv nb202_charge, 48.equiv nb202_p_facel, 56.equiv nb202_argkrf, 64.equiv nb202_argcrf, 72.equiv nb202_Vc, 80.equiv nb202_type, 88.equiv nb202_p_ntype, 96.equiv nb202_vdwparam, 104.equiv nb202_Vvdw, 112.equiv nb202_p_tabscale, 120.equiv nb202_VFtab, 128.equiv nb202_invsqrta, 136.equiv nb202_dvda, 144.equiv nb202_p_gbtabscale, 152.equiv nb202_GBtab, 160.equiv nb202_p_nthreads, 168.equiv nb202_count, 176.equiv nb202_mtx, 184.equiv nb202_outeriter, 192.equiv nb202_inneriter, 200.equiv nb202_work, 208 ;# stack offsets for local variables ;# bottom of stack is cache-aligned for sse2 use .equiv nb202_ixO, 0.equiv nb202_iyO, 16.equiv nb202_izO, 32.equiv nb202_ixH1, 48.equiv nb202_iyH1, 64.equiv nb202_izH1, 80.equiv nb202_ixH2, 96.equiv nb202_iyH2, 112.equiv nb202_izH2, 128.equiv nb202_jxO, 144.equiv nb202_jyO, 160.equiv nb202_jzO, 176.equiv nb202_jxH1, 192.equiv nb202_jyH1, 208.equiv nb202_jzH1, 224.equiv nb202_jxH2, 240.equiv nb202_jyH2, 256.equiv nb202_jzH2, 272.equiv nb202_dxOO, 288.equiv nb202_dyOO, 304.equiv nb202_dzOO, 320.equiv nb202_dxOH1, 336.equiv nb202_dyOH1, 352.equiv nb202_dzOH1, 368.equiv nb202_dxOH2, 384.equiv nb202_dyOH2, 400.equiv nb202_dzOH2, 416.equiv nb202_dxH1O, 432.equiv nb202_dyH1O, 448.equiv nb202_dzH1O, 464.equiv nb202_dxH1H1, 480.equiv nb202_dyH1H1, 496.equiv nb202_dzH1H1, 512.equiv nb202_dxH1H2, 528.equiv nb202_dyH1H2, 544.equiv nb202_dzH1H2, 560.equiv nb202_dxH2O, 576.equiv nb202_dyH2O, 592.equiv nb202_dzH2O, 608.equiv nb202_dxH2H1, 624.equiv nb202_dyH2H1, 640.equiv nb202_dzH2H1, 656.equiv nb202_dxH2H2, 672.equiv nb202_dyH2H2, 688.equiv nb202_dzH2H2, 704.equiv nb202_qqOO, 720.equiv nb202_qqOH, 736.equiv nb202_qqHH, 752.equiv nb202_vctot, 768.equiv nb202_fixO, 784.equiv nb202_fiyO, 800.equiv nb202_fizO, 816.equiv nb202_fixH1, 832.equiv nb202_fiyH1, 848.equiv nb202_fizH1, 864.equiv nb202_fixH2, 880.equiv nb202_fiyH2, 896.equiv nb202_fizH2, 912.equiv nb202_fjxO, 928.equiv nb202_fjyO, 944.equiv nb202_fjzO, 960.equiv nb202_fjxH1, 976.equiv nb202_fjyH1, 992.equiv nb202_fjzH1, 1008.equiv nb202_fjxH2, 1024.equiv nb202_fjyH2, 1040.equiv nb202_fjzH2, 1056.equiv nb202_half, 1072.equiv nb202_three, 1088.equiv nb202_rsqOO, 1104.equiv nb202_rsqOH1, 1120.equiv nb202_rsqOH2, 1136.equiv nb202_rsqH1O, 1152.equiv nb202_rsqH1H1, 1168.equiv nb202_rsqH1H2, 1184.equiv nb202_rsqH2O, 1200.equiv nb202_rsqH2H1, 1216.equiv nb202_rsqH2H2, 1232.equiv nb202_rinvOO, 1248.equiv nb202_rinvOH1, 1264.equiv nb202_rinvOH2, 1280.equiv nb202_rinvH1O, 1296.equiv nb202_rinvH1H1, 1312.equiv nb202_rinvH1H2, 1328.equiv nb202_rinvH2O, 1344.equiv nb202_rinvH2H1, 1360.equiv nb202_rinvH2H2, 1376.equiv nb202_two, 1392.equiv nb202_krf, 1408.equiv nb202_crf, 1424.equiv nb202_is3, 1440.equiv nb202_ii3, 1444.equiv nb202_nri, 1448.equiv nb202_iinr, 1456.equiv nb202_jindex, 1464.equiv nb202_jjnr, 1472.equiv nb202_shift, 1480.equiv nb202_shiftvec, 1488.equiv nb202_facel, 1496.equiv nb202_innerjjnr, 1504.equiv nb202_innerk, 1512.equiv nb202_n, 1516.equiv nb202_nn1, 1520.equiv nb202_nouter, 1524.equiv nb202_ninner, 1528 push rbp mov rbp, rsp push rbx emms push r12 push r13 push r14 push r15 sub rsp, 1544 ;# local variable stack space (n*16+8) ;# zero 32-bit iteration counters mov eax, 0 mov [rsp + nb202_nouter], eax mov [rsp + nb202_ninner], eax mov edi, [rdi] mov [rsp + nb202_nri], edi mov [rsp + nb202_iinr], rsi mov [rsp + nb202_jindex], rdx mov [rsp + nb202_jjnr], rcx mov [rsp + nb202_shift], r8 mov [rsp + nb202_shiftvec], r9 mov rsi, [rbp + nb202_p_facel] movsd xmm0, [rsi] movsd [rsp + nb202_facel], xmm0 mov rsi, [rbp + nb202_argkrf] mov rdi, [rbp + nb202_argcrf] movsd xmm1, [rsi] movsd xmm2, [rdi] shufpd xmm1, xmm1, 0 shufpd xmm2, xmm2, 0 movapd [rsp + nb202_krf], xmm1 movapd [rsp + nb202_crf], xmm2 ;# create constant floating-point factors on stack mov eax, 0x00000000 ;# lower half of double half IEEE (hex) mov ebx, 0x3fe00000 mov [rsp + nb202_half], eax mov [rsp + nb202_half+4], ebx movsd xmm1, [rsp + nb202_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 [rsp + nb202_half], xmm1 movapd [rsp + nb202_two], xmm2 movapd [rsp + nb202_three], xmm3 ;# assume we have at least one i particle - start directly mov rcx, [rsp + nb202_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx] ;# ebx =ii mov rdx, [rbp + nb202_charge] movsd xmm3, [rdx + rbx*8] movsd xmm4, xmm3 movsd xmm5, [rdx + rbx*8 + 8] movsd xmm6, [rsp + nb202_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 + nb202_qqOO], xmm3 movapd [rsp + nb202_qqOH], xmm4 movapd [rsp + nb202_qqHH], xmm5 .nb202_threadloop: mov rsi, [rbp + nb202_count] ;# pointer to sync counter mov eax, [rsi].nb202_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 .nb202_spinlock ;# if(nn1>nri) nn1=nri mov ecx, [rsp + nb202_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 + nb202_n], eax mov [rsp + nb202_nn1], ebx sub ebx, eax ;# calc number of outer lists mov esi, eax ;# copy n to esi jg .nb202_outerstart jmp .nb202_end.nb202_outerstart: ;# ebx contains number of outer iterations add ebx, [rsp + nb202_nouter] mov [rsp + nb202_nouter], ebx.nb202_outer: mov rax, [rsp + nb202_shift] ;# rax = pointer into shift[] mov ebx, [rax + rsi*4] ;# rbx=shift[n] lea rbx, [rbx + rbx*2] ;# rbx=3*is mov [rsp + nb202_is3],ebx ;# store is3 mov rax, [rsp + nb202_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 + nb202_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx+rsi*4] ;# ebx =ii lea rbx, [rbx + rbx*2] ;# rbx = 3*ii=ii3 mov rax, [rbp + nb202_pos] ;# rax = base of pos[] mov [rsp + nb202_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 + nb202_ixO], xmm3 movapd [rsp + nb202_iyO], xmm4 movapd [rsp + nb202_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 + nb202_ixH1], xmm0 movapd [rsp + nb202_iyH1], xmm1 movapd [rsp + nb202_izH1], xmm2 movapd [rsp + nb202_ixH2], xmm3 movapd [rsp + nb202_iyH2], xmm4 movapd [rsp + nb202_izH2], xmm5 ;# clear vctot and i forces xorpd xmm4, xmm4 movapd [rsp + nb202_vctot], xmm4 movapd [rsp + nb202_fixO], xmm4 movapd [rsp + nb202_fiyO], xmm4 movapd [rsp + nb202_fizO], xmm4 movapd [rsp + nb202_fixH1], xmm4 movapd [rsp + nb202_fiyH1], xmm4 movapd [rsp + nb202_fizH1], xmm4 movapd [rsp + nb202_fixH2], xmm4 movapd [rsp + nb202_fiyH2], xmm4 movapd [rsp + nb202_fizH2], xmm4 mov rax, [rsp + nb202_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 + nb202_pos] mov rdi, [rbp + nb202_faction] mov rax, [rsp + nb202_jjnr] shl ecx, 2 add rax, rcx mov [rsp + nb202_innerjjnr], rax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 2 add ecx, [rsp + nb202_ninner] mov [rsp + nb202_ninner], ecx add edx, 0 mov [rsp + nb202_innerk], edx ;# number of innerloop atoms jge .nb202_unroll_loop jmp .nb202_checksingle.nb202_unroll_loop: ;# twice unrolled innerloop here mov rdx, [rsp + nb202_innerjjnr] ;# pointer to jjnr[k] mov eax, [rdx] mov ebx, [rdx + 4] add qword ptr [rsp + nb202_innerjjnr], 8 ;# advance pointer (unrolled 2) mov rsi, [rbp + nb202_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 + nb202_ixO] subpd xmm1, [rsp + nb202_iyO] subpd xmm2, [rsp + nb202_izO] subpd xmm3, [rsp + nb202_ixH1] subpd xmm4, [rsp + nb202_iyH1] subpd xmm5, [rsp + nb202_izH1] subpd xmm6, [rsp + nb202_ixH2] subpd xmm7, [rsp + nb202_iyH2] subpd xmm8, [rsp + nb202_izH2] movapd [rsp + nb202_dxOO], xmm0 movapd [rsp + nb202_dyOO], xmm1 movapd [rsp + nb202_dzOO], xmm2 mulpd xmm0, xmm0 mulpd xmm1, xmm1 mulpd xmm2, xmm2 movapd [rsp + nb202_dxH1O], xmm3 movapd [rsp + nb202_dyH1O], xmm4 movapd [rsp + nb202_dzH1O], xmm5 mulpd xmm3, xmm3 mulpd xmm4, xmm4 mulpd xmm5, xmm5 movapd [rsp + nb202_dxH2O], xmm6 movapd [rsp + nb202_dyH2O], xmm7 movapd [rsp + nb202_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 rsqrtps xmm7, xmm7 cvtps2pd xmm1, xmm1 cvtps2pd xmm4, xmm4 cvtps2pd xmm7, xmm7 movapd xmm2, xmm1 movapd xmm5, xmm4 movapd xmm8, xmm7 ⌨️ 快捷键说明
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