nb_kernel312_ia32_sse.s
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#### $Id: nb_kernel312_ia32_sse.s,v 1.1.2.2 2007/11/28 09:36:34 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##.globl nb_kernel312_ia32_sse.globl _nb_kernel312_ia32_ssenb_kernel312_ia32_sse: _nb_kernel312_ia32_sse: .set nb312_p_nri, 8.set nb312_iinr, 12.set nb312_jindex, 16.set nb312_jjnr, 20.set nb312_shift, 24.set nb312_shiftvec, 28.set nb312_fshift, 32.set nb312_gid, 36.set nb312_pos, 40.set nb312_faction, 44.set nb312_charge, 48.set nb312_p_facel, 52.set nb312_argkrf, 56.set nb312_argcrf, 60.set nb312_Vc, 64.set nb312_type, 68.set nb312_p_ntype, 72.set nb312_vdwparam, 76.set nb312_Vvdw, 80.set nb312_p_tabscale, 84.set nb312_VFtab, 88.set nb312_invsqrta, 92.set nb312_dvda, 96.set nb312_p_gbtabscale, 100.set nb312_GBtab, 104.set nb312_p_nthreads, 108.set nb312_count, 112.set nb312_mtx, 116.set nb312_outeriter, 120.set nb312_inneriter, 124.set nb312_work, 128 ## stack offsets for local variables ## bottom of stack is cache-aligned for sse use .set nb312_ixO, 0.set nb312_iyO, 16.set nb312_izO, 32.set nb312_ixH1, 48.set nb312_iyH1, 64.set nb312_izH1, 80.set nb312_ixH2, 96.set nb312_iyH2, 112.set nb312_izH2, 128.set nb312_jxO, 144.set nb312_jyO, 160.set nb312_jzO, 176.set nb312_jxH1, 192.set nb312_jyH1, 208.set nb312_jzH1, 224.set nb312_jxH2, 240.set nb312_jyH2, 256.set nb312_jzH2, 272.set nb312_dxOO, 288.set nb312_dyOO, 304.set nb312_dzOO, 320.set nb312_dxOH1, 336.set nb312_dyOH1, 352.set nb312_dzOH1, 368.set nb312_dxOH2, 384.set nb312_dyOH2, 400.set nb312_dzOH2, 416.set nb312_dxH1O, 432.set nb312_dyH1O, 448.set nb312_dzH1O, 464.set nb312_dxH1H1, 480.set nb312_dyH1H1, 496.set nb312_dzH1H1, 512.set nb312_dxH1H2, 528.set nb312_dyH1H2, 544.set nb312_dzH1H2, 560.set nb312_dxH2O, 576.set nb312_dyH2O, 592.set nb312_dzH2O, 608.set nb312_dxH2H1, 624.set nb312_dyH2H1, 640.set nb312_dzH2H1, 656.set nb312_dxH2H2, 672.set nb312_dyH2H2, 688.set nb312_dzH2H2, 704.set nb312_qqOO, 720.set nb312_qqOH, 736.set nb312_qqHH, 752.set nb312_two, 768.set nb312_tsc, 784.set nb312_c6, 800.set nb312_c12, 816.set nb312_six, 832.set nb312_twelve, 848.set nb312_vctot, 864.set nb312_Vvdwtot, 880.set nb312_fixO, 896.set nb312_fiyO, 912.set nb312_fizO, 928.set nb312_fixH1, 944.set nb312_fiyH1, 960.set nb312_fizH1, 976.set nb312_fixH2, 992.set nb312_fiyH2, 1008.set nb312_fizH2, 1024.set nb312_fjxO, 1040.set nb312_fjyO, 1056.set nb312_fjzO, 1072.set nb312_fjxH1, 1088.set nb312_fjyH1, 1104.set nb312_fjzH1, 1120.set nb312_fjxH2, 1136.set nb312_fjyH2, 1152.set nb312_fjzH2, 1168.set nb312_fjzH2b, 1172.set nb312_fjzH2c, 1176.set nb312_fjzH2d, 1180.set nb312_half, 1184.set nb312_three, 1200.set nb312_rsqOO, 1216.set nb312_rsqOH1, 1232.set nb312_rsqOH2, 1248.set nb312_rsqH1O, 1264.set nb312_rsqH1H1, 1280.set nb312_rsqH1H2, 1296.set nb312_rsqH2O, 1312.set nb312_rsqH2H1, 1328.set nb312_rsqH2H2, 1344.set nb312_rinvOO, 1360.set nb312_rinvOH1, 1376.set nb312_rinvOH2, 1392.set nb312_rinvH1O, 1408.set nb312_rinvH1H1, 1424.set nb312_rinvH1H2, 1440.set nb312_rinvH2O, 1456.set nb312_rinvH2H1, 1472.set nb312_rinvH2H2, 1488.set nb312_fstmp, 1504.set nb312_is3, 1520.set nb312_ii3, 1524.set nb312_innerjjnr, 1528.set nb312_innerk, 1532.set nb312_n, 1536.set nb312_nn1, 1540.set nb312_nri, 1544.set nb312_nouter, 1548.set nb312_ninner, 1552.set nb312_salign, 1556 pushl %ebp movl %esp,%ebp pushl %eax pushl %ebx pushl %ecx pushl %edx pushl %esi pushl %edi subl $1560,%esp ## local stack space movl %esp,%eax andl $0xf,%eax subl %eax,%esp movl %eax,nb312_salign(%esp) emms ## Move args passed by reference to stack movl nb312_p_nri(%ebp),%ecx movl (%ecx),%ecx movl %ecx,nb312_nri(%esp) ## zero iteration counters movl $0,%eax movl %eax,nb312_nouter(%esp) movl %eax,nb312_ninner(%esp) movl nb312_p_tabscale(%ebp),%eax movss (%eax),%xmm5 shufps $0,%xmm5,%xmm5 movaps %xmm5,nb312_tsc(%esp) ## create constant floating-point factors on stack movl $0x3f000000,%eax ## constant 0.5 in IEEE (hex) movl %eax,nb312_half(%esp) movss nb312_half(%esp),%xmm1 shufps $0,%xmm1,%xmm1 ## splat to all elements movaps %xmm1,%xmm2 addps %xmm2,%xmm2 ## constant 1.0 movaps %xmm2,%xmm3 addps %xmm2,%xmm2 ## constant 2.0 addps %xmm2,%xmm3 ## constant 3.0 movaps %xmm3,%xmm4 addps %xmm4,%xmm4 ## 6.0 movaps %xmm4,%xmm5 addps %xmm5,%xmm5 ## constant 12.0 movaps %xmm1,nb312_half(%esp) movaps %xmm2,nb312_two(%esp) movaps %xmm3,nb312_three(%esp) movaps %xmm4,nb312_six(%esp) movaps %xmm5,nb312_twelve(%esp) ## assume we have at least one i particle - start directly movl nb312_iinr(%ebp),%ecx ## ecx = pointer into iinr[] movl (%ecx),%ebx ## ebx =ii movl nb312_charge(%ebp),%edx movss (%edx,%ebx,4),%xmm3 movss %xmm3,%xmm4 movss 4(%edx,%ebx,4),%xmm5 movl nb312_p_facel(%ebp),%esi movss (%esi),%xmm6 mulss %xmm3,%xmm3 mulss %xmm5,%xmm4 mulss %xmm5,%xmm5 mulss %xmm6,%xmm3 mulss %xmm6,%xmm4 mulss %xmm6,%xmm5 shufps $0,%xmm3,%xmm3 shufps $0,%xmm4,%xmm4 shufps $0,%xmm5,%xmm5 movaps %xmm3,nb312_qqOO(%esp) movaps %xmm4,nb312_qqOH(%esp) movaps %xmm5,nb312_qqHH(%esp) xorps %xmm0,%xmm0 movl nb312_type(%ebp),%edx movl (%edx,%ebx,4),%ecx shll %ecx movl %ecx,%edx movl nb312_p_ntype(%ebp),%edi imull (%edi),%ecx ## ecx = ntia = 2*ntype*type[ii0] addl %ecx,%edx movl nb312_vdwparam(%ebp),%eax movlps (%eax,%edx,4),%xmm0 movaps %xmm0,%xmm1 shufps $0,%xmm0,%xmm0 shufps $85,%xmm1,%xmm1 ## constant 01010101 movaps %xmm0,nb312_c6(%esp) movaps %xmm1,nb312_c12(%esp)_nb_kernel312_ia32_sse.nb312_threadloop: movl nb312_count(%ebp),%esi ## pointer to sync counter movl (%esi),%eax_nb_kernel312_ia32_sse.nb312_spinlock: movl %eax,%ebx ## ebx=*count=nn0 addl $1,%ebx ## ebx=nn1=nn0+10 lock cmpxchgl %ebx,(%esi) ## write nn1 to *counter, ## if it hasnt changed. ## or reread *counter to eax. pause ## -> better p4 performance jnz _nb_kernel312_ia32_sse.nb312_spinlock ## if(nn1>nri) nn1=nri movl nb312_nri(%esp),%ecx movl %ecx,%edx subl %ebx,%ecx cmovlel %edx,%ebx ## if(nn1>nri) nn1=nri ## Cleared the spinlock if we got here. ## eax contains nn0, ebx contains nn1. movl %eax,nb312_n(%esp) movl %ebx,nb312_nn1(%esp) subl %eax,%ebx ## calc number of outer lists movl %eax,%esi ## copy n to esi jg _nb_kernel312_ia32_sse.nb312_outerstart jmp _nb_kernel312_ia32_sse.nb312_end_nb_kernel312_ia32_sse.nb312_outerstart: ## ebx contains number of outer iterations addl nb312_nouter(%esp),%ebx movl %ebx,nb312_nouter(%esp)_nb_kernel312_ia32_sse.nb312_outer: movl nb312_shift(%ebp),%eax ## eax = pointer into shift[] movl (%eax,%esi,4),%ebx ## ebx=shift[n] leal (%ebx,%ebx,2),%ebx ## ebx=3*is movl %ebx,nb312_is3(%esp) ## store is3 movl nb312_shiftvec(%ebp),%eax ## eax = base of shiftvec[] movss (%eax,%ebx,4),%xmm0 movss 4(%eax,%ebx,4),%xmm1 movss 8(%eax,%ebx,4),%xmm2 movl nb312_iinr(%ebp),%ecx ## ecx = pointer into iinr[] movl (%ecx,%esi,4),%ebx ## ebx =ii leal (%ebx,%ebx,2),%ebx ## ebx = 3*ii=ii3 movl nb312_pos(%ebp),%eax ## eax = base of pos[] movl %ebx,nb312_ii3(%esp) movaps %xmm0,%xmm3 movaps %xmm1,%xmm4 movaps %xmm2,%xmm5 addss (%eax,%ebx,4),%xmm3 addss 4(%eax,%ebx,4),%xmm4 addss 8(%eax,%ebx,4),%xmm5 shufps $0,%xmm3,%xmm3 shufps $0,%xmm4,%xmm4 shufps $0,%xmm5,%xmm5 movaps %xmm3,nb312_ixO(%esp) movaps %xmm4,nb312_iyO(%esp) movaps %xmm5,nb312_izO(%esp) movss %xmm0,%xmm3 movss %xmm1,%xmm4 movss %xmm2,%xmm5 addss 12(%eax,%ebx,4),%xmm0 addss 16(%eax,%ebx,4),%xmm1 addss 20(%eax,%ebx,4),%xmm2 addss 24(%eax,%ebx,4),%xmm3 addss 28(%eax,%ebx,4),%xmm4 addss 32(%eax,%ebx,4),%xmm5 shufps $0,%xmm0,%xmm0 shufps $0,%xmm1,%xmm1 shufps $0,%xmm2,%xmm2 shufps $0,%xmm3,%xmm3 shufps $0,%xmm4,%xmm4 shufps $0,%xmm5,%xmm5 movaps %xmm0,nb312_ixH1(%esp) movaps %xmm1,nb312_iyH1(%esp) movaps %xmm2,nb312_izH1(%esp) movaps %xmm3,nb312_ixH2(%esp) movaps %xmm4,nb312_iyH2(%esp) movaps %xmm5,nb312_izH2(%esp) ## clear vctot and i forces xorps %xmm4,%xmm4 movaps %xmm4,nb312_vctot(%esp) movaps %xmm4,nb312_Vvdwtot(%esp) movaps %xmm4,nb312_fixO(%esp) movaps %xmm4,nb312_fiyO(%esp) movaps %xmm4,nb312_fizO(%esp) movaps %xmm4,nb312_fixH1(%esp) movaps %xmm4,nb312_fiyH1(%esp) movaps %xmm4,nb312_fizH1(%esp) movaps %xmm4,nb312_fixH2(%esp) movaps %xmm4,nb312_fiyH2(%esp) movaps %xmm4,nb312_fizH2(%esp) movl nb312_jindex(%ebp),%eax movl (%eax,%esi,4),%ecx ## jindex[n] movl 4(%eax,%esi,4),%edx ## jindex[n+1] subl %ecx,%edx ## number of innerloop atoms movl nb312_pos(%ebp),%esi movl nb312_faction(%ebp),%edi movl nb312_jjnr(%ebp),%eax shll $2,%ecx addl %ecx,%eax movl %eax,nb312_innerjjnr(%esp) ## pointer to jjnr[nj0] movl %edx,%ecx subl $4,%edx addl nb312_ninner(%esp),%ecx movl %ecx,nb312_ninner(%esp) addl $0,%edx movl %edx,nb312_innerk(%esp) ## number of innerloop atoms jge _nb_kernel312_ia32_sse.nb312_unroll_loop jmp _nb_kernel312_ia32_sse.nb312_single_check_nb_kernel312_ia32_sse.nb312_unroll_loop: ## quad-unroll innerloop here movl nb312_innerjjnr(%esp),%edx ## pointer to jjnr[k] movl (%edx),%eax movl 4(%edx),%ebx movl 8(%edx),%ecx movl 12(%edx),%edx ## eax-edx=jnr1-4 addl $16,nb312_innerjjnr(%esp) ## advance pointer (unrolled 4) movl nb312_pos(%ebp),%esi ## base of pos[] leal (%eax,%eax,2),%eax ## replace jnr with j3 leal (%ebx,%ebx,2),%ebx leal (%ecx,%ecx,2),%ecx ## replace jnr with j3 leal (%edx,%edx,2),%edx ## move j coordinates to local temp variables movlps (%esi,%eax,4),%xmm2 movlps 12(%esi,%eax,4),%xmm3 movlps 24(%esi,%eax,4),%xmm4 movlps (%esi,%ebx,4),%xmm5 movlps 12(%esi,%ebx,4),%xmm6 movlps 24(%esi,%ebx,4),%xmm7 movhps (%esi,%ecx,4),%xmm2 movhps 12(%esi,%ecx,4),%xmm3 movhps 24(%esi,%ecx,4),%xmm4 movhps (%esi,%edx,4),%xmm5⌨️ 快捷键说明
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