nb_kernel332_x86_64_sse2.intel_syntax.s
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;#;# $Id: nb_kernel332_x86_64_sse2.intel_syntax.s,v 1.1.2.2 2006/09/22 08:40:37 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_kernel332_x86_64_sse2.globl _nb_kernel332_x86_64_sse2nb_kernel332_x86_64_sse2: _nb_kernel332_x86_64_sse2: ;# Room for return address and rbp (16 bytes).equiv nb332_fshift, 16.equiv nb332_gid, 24.equiv nb332_pos, 32.equiv nb332_faction, 40.equiv nb332_charge, 48.equiv nb332_p_facel, 56.equiv nb332_argkrf, 64.equiv nb332_argcrf, 72.equiv nb332_Vc, 80.equiv nb332_type, 88.equiv nb332_p_ntype, 96.equiv nb332_vdwparam, 104.equiv nb332_Vvdw, 112.equiv nb332_p_tabscale, 120.equiv nb332_VFtab, 128.equiv nb332_invsqrta, 136.equiv nb332_dvda, 144.equiv nb332_p_gbtabscale, 152.equiv nb332_GBtab, 160.equiv nb332_p_nthreads, 168.equiv nb332_count, 176.equiv nb332_mtx, 184.equiv nb332_outeriter, 192.equiv nb332_inneriter, 200.equiv nb332_work, 208 ;# 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_epsO, 1008.equiv nb332_epsH1, 1024.equiv nb332_epsH2, 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_nri, 1496.equiv nb332_iinr, 1504.equiv nb332_jindex, 1512.equiv nb332_jjnr, 1520.equiv nb332_shift, 1528.equiv nb332_shiftvec, 1536.equiv nb332_facel, 1544.equiv nb332_innerjjnr, 1552.equiv nb332_innerk, 1560.equiv nb332_n, 1564.equiv nb332_nn1, 1568.equiv nb332_nouter, 1572.equiv nb332_ninner, 1576 push rbp mov rbp, rsp push rbx emms push r12 push r13 push r14 push r15 sub rsp, 1592 ;# local variable stack space (n*16+8) ;# zero 32-bit iteration counters mov eax, 0 mov [rsp + nb332_nouter], eax mov [rsp + nb332_ninner], eax mov edi, [rdi] mov [rsp + nb332_nri], edi mov [rsp + nb332_iinr], rsi mov [rsp + nb332_jindex], rdx mov [rsp + nb332_jjnr], rcx mov [rsp + nb332_shift], r8 mov [rsp + nb332_shiftvec], r9 mov rsi, [rbp + nb332_p_facel] movsd xmm0, [rsi] movsd [rsp + nb332_facel], xmm0 mov rax, [rbp + nb332_p_tabscale] movsd xmm3, [rax] shufpd xmm3, xmm3, 0 movapd [rsp + nb332_tsc], xmm3 ;# create constant floating-point factors on stack mov eax, 0x00000000 ;# lower half of double half IEEE (hex) mov ebx, 0x3fe00000 mov [rsp + nb332_half], eax mov [rsp + nb332_half+4], ebx movsd xmm1, [rsp + nb332_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 + nb332_half], xmm1 movapd [rsp + nb332_two], xmm2 movapd [rsp + nb332_three], xmm3 ;# assume we have at least one i particle - start directly mov rcx, [rsp + nb332_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx] ;# ebx =ii mov rdx, [rbp + nb332_charge] movsd xmm3, [rdx + rbx*8] movsd xmm4, xmm3 movsd xmm5, [rdx + rbx*8 + 8] mov rsi, [rbp + nb332_p_facel] movsd xmm0, [rsi] movsd xmm6, [rsp + nb332_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 + nb332_qqOO], xmm3 movapd [rsp + nb332_qqOH], xmm4 movapd [rsp + nb332_qqHH], xmm5 xorpd xmm0, xmm0 mov rdx, [rbp + nb332_type] mov ecx, [rdx + rbx*4] shl ecx, 1 mov edx, ecx mov rdi, [rbp + nb332_p_ntype] imul ecx, [rdi] ;# rcx = ntia = 2*ntype*type[ii0] add edx, ecx mov rax, [rbp + nb332_vdwparam] movsd xmm0, [rax + rdx*8] movsd xmm1, [rax + rdx*8 + 8] shufpd xmm0, xmm0, 0 shufpd xmm1, xmm1, 0 movapd [rsp + nb332_c6], xmm0 movapd [rsp + nb332_c12], xmm1.nb332_threadloop: mov rsi, [rbp + nb332_count] ;# pointer to sync counter mov eax, [rsi].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, [rsp + 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 [rsp + nb332_n], eax mov [rsp + 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, [rsp + nb332_nouter] mov [rsp + nb332_nouter], ebx.nb332_outer: mov rax, [rsp + nb332_shift] ;# rax = pointer into shift[] mov ebx, [rax+rsi*4] ;# rbx=shift[n] lea rbx, [rbx + rbx*2] ;# rbx=3*is mov [rsp + nb332_is3],ebx ;# store is3 mov rax, [rsp + nb332_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 + nb332_iinr] ;# rcx = pointer into iinr[] mov ebx, [rcx+rsi*4] ;# ebx =ii lea rbx, [rbx + rbx*2] ;# rbx = 3*ii=ii3 mov rax, [rbp + nb332_pos] ;# rax = base of pos[] mov [rsp + nb332_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 + nb332_ixO], xmm3 movapd [rsp + nb332_iyO], xmm4 movapd [rsp + nb332_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 + nb332_ixH1], xmm0 movapd [rsp + nb332_iyH1], xmm1 movapd [rsp + nb332_izH1], xmm2 movapd [rsp + nb332_ixH2], xmm3 movapd [rsp + nb332_iyH2], xmm4 movapd [rsp + nb332_izH2], xmm5 ;# clear vctot and i forces xorpd xmm4, xmm4 movapd [rsp + nb332_vctot], xmm4 movapd [rsp + nb332_Vvdwtot], xmm4 movapd [rsp + nb332_fixO], xmm4 movapd [rsp + nb332_fiyO], xmm4 movapd [rsp + nb332_fizO], xmm4 movapd [rsp + nb332_fixH1], xmm4 movapd [rsp + nb332_fiyH1], xmm4 movapd [rsp + nb332_fizH1], xmm4 movapd [rsp + nb332_fixH2], xmm4 movapd [rsp + nb332_fiyH2], xmm4 movapd [rsp + nb332_fizH2], xmm4 mov rax, [rsp + nb332_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 + nb332_pos] mov rdi, [rbp + nb332_faction] mov rax, [rsp + nb332_jjnr] shl ecx, 2 add rax, rcx mov [rsp + nb332_innerjjnr], rax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 2 add ecx, [rsp + nb332_ninner] mov [rsp + nb332_ninner], ecx add edx, 0 mov [rsp + nb332_innerk], edx ;# number of innerloop atoms jge .nb332_unroll_loop jmp .nb332_checksingle.nb332_unroll_loop: ;# twice unrolled innerloop here mov rdx, [rsp + nb332_innerjjnr] ;# pointer to jjnr[k] mov eax, [rdx] mov ebx, [rdx + 4] add qword ptr [rsp + nb332_innerjjnr], 8 ;# advance pointer (unrolled 2) mov rsi, [rbp + nb332_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 + nb332_ixO] subpd xmm1, [rsp + nb332_iyO] subpd xmm2, [rsp + nb332_izO] subpd xmm3, [rsp + nb332_ixH1] subpd xmm4, [rsp + nb332_iyH1] subpd xmm5, [rsp + nb332_izH1] subpd xmm6, [rsp + nb332_ixH2] subpd xmm7, [rsp + nb332_iyH2] subpd xmm8, [rsp + nb332_izH2] movapd [rsp + nb332_dxOO], xmm0 movapd [rsp + nb332_dyOO], xmm1 movapd [rsp + nb332_dzOO], xmm2 mulpd xmm0, xmm0 mulpd xmm1, xmm1 mulpd xmm2, xmm2 movapd [rsp + nb332_dxH1O], xmm3 movapd [rsp + nb332_dyH1O], xmm4 movapd [rsp + nb332_dzH1O], xmm5 mulpd xmm3, xmm3 mulpd xmm4, xmm4 mulpd xmm5, xmm5 movapd [rsp + nb332_dxH2O], xmm6 movapd [rsp + nb332_dyH2O], xmm7 movapd [rsp + nb332_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⌨️ 快捷键说明
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