nb_kernel204_x86_64_sse.s
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S
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#### $Id: nb_kernel204_x86_64_sse.s,v 1.4.2.3 2006/09/22 08:32:49 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## .globl nb_kernel204_x86_64_sse.globl _nb_kernel204_x86_64_ssenb_kernel204_x86_64_sse: _nb_kernel204_x86_64_sse: ## Room for return address and rbp (16 bytes).set nb204_fshift, 16.set nb204_gid, 24.set nb204_pos, 32.set nb204_faction, 40.set nb204_charge, 48.set nb204_p_facel, 56.set nb204_argkrf, 64.set nb204_argcrf, 72.set nb204_Vc, 80.set nb204_type, 88.set nb204_p_ntype, 96.set nb204_vdwparam, 104.set nb204_Vvdw, 112.set nb204_p_tabscale, 120.set nb204_VFtab, 128.set nb204_invsqrta, 136.set nb204_dvda, 144.set nb204_p_gbtabscale, 152.set nb204_GBtab, 160.set nb204_p_nthreads, 168.set nb204_count, 176.set nb204_mtx, 184.set nb204_outeriter, 192.set nb204_inneriter, 200.set nb204_work, 208 ## stack offsets for local variables ## bottom of stack is cache-aligned for sse use .set nb204_ixH1, 0.set nb204_iyH1, 16.set nb204_izH1, 32.set nb204_ixH2, 48.set nb204_iyH2, 64.set nb204_izH2, 80.set nb204_ixM, 96.set nb204_iyM, 112.set nb204_izM, 128.set nb204_jxH1, 144.set nb204_jyH1, 160.set nb204_jzH1, 176.set nb204_jxH2, 192.set nb204_jyH2, 208.set nb204_jzH2, 224.set nb204_jxM, 240.set nb204_jyM, 256.set nb204_jzM, 272.set nb204_dxH1H1, 288.set nb204_dyH1H1, 304.set nb204_dzH1H1, 320.set nb204_dxH1H2, 336.set nb204_dyH1H2, 352.set nb204_dzH1H2, 368.set nb204_dxH1M, 384.set nb204_dyH1M, 400.set nb204_dzH1M, 416.set nb204_dxH2H1, 432.set nb204_dyH2H1, 448.set nb204_dzH2H1, 464.set nb204_dxH2H2, 480.set nb204_dyH2H2, 496.set nb204_dzH2H2, 512.set nb204_dxH2M, 528.set nb204_dyH2M, 544.set nb204_dzH2M, 560.set nb204_dxMH1, 576.set nb204_dyMH1, 592.set nb204_dzMH1, 608.set nb204_dxMH2, 624.set nb204_dyMH2, 640.set nb204_dzMH2, 656.set nb204_dxMM, 672.set nb204_dyMM, 688.set nb204_dzMM, 704.set nb204_qqHH, 720.set nb204_qqMH, 736.set nb204_qqMM, 752.set nb204_vctot, 768.set nb204_fixH1, 784.set nb204_fiyH1, 800.set nb204_fizH1, 816.set nb204_fixH2, 832.set nb204_fiyH2, 848.set nb204_fizH2, 864.set nb204_fixM, 880.set nb204_fiyM, 896.set nb204_fizM, 912.set nb204_fjxH1, 928.set nb204_fjyH1, 944.set nb204_fjzH1, 960.set nb204_fjxH2, 976.set nb204_fjyH2, 992.set nb204_fjzH2, 1008.set nb204_fjxM, 1024.set nb204_fjyM, 1040.set nb204_fjzM, 1056.set nb204_half, 1072.set nb204_three, 1088.set nb204_rsqH1H1, 1104.set nb204_rsqH1H2, 1120.set nb204_rsqH1M, 1136.set nb204_rsqH2H1, 1152.set nb204_rsqH2H2, 1168.set nb204_rsqH2M, 1184.set nb204_rsqMH1, 1200.set nb204_rsqMH2, 1216.set nb204_rsqMM, 1232.set nb204_rinvH1H1, 1248.set nb204_rinvH1H2, 1264.set nb204_rinvH1M, 1280.set nb204_rinvH2H1, 1296.set nb204_rinvH2H2, 1312.set nb204_rinvH2M, 1328.set nb204_rinvMH1, 1344.set nb204_rinvMH2, 1360.set nb204_rinvMM, 1376.set nb204_two, 1392.set nb204_krf, 1408.set nb204_crf, 1424.set nb204_is3, 1440.set nb204_ii3, 1444.set nb204_innerjjnr, 1448.set nb204_nri, 1456.set nb204_iinr, 1464.set nb204_jindex, 1472.set nb204_jjnr, 1480.set nb204_shift, 1488.set nb204_shiftvec, 1496.set nb204_facel, 1504.set nb204_innerk, 1512.set nb204_n, 1516.set nb204_nn1, 1520.set nb204_nouter, 1524.set nb204_ninner, 1528 push %rbp movq %rsp,%rbp push %rbx emms push %r12 push %r13 push %r14 push %r15 subq $1544,%rsp ## local variable stack space (n*16+8) ## zero 32-bit iteration counters movl $0,%eax movl %eax,nb204_nouter(%rsp) movl %eax,nb204_ninner(%rsp) movl (%rdi),%edi movl %edi,nb204_nri(%rsp) movq %rsi,nb204_iinr(%rsp) movq %rdx,nb204_jindex(%rsp) movq %rcx,nb204_jjnr(%rsp) movq %r8,nb204_shift(%rsp) movq %r9,nb204_shiftvec(%rsp) movq nb204_p_facel(%rbp),%rsi movss (%rsi),%xmm0 movss %xmm0,nb204_facel(%rsp) movq nb204_argkrf(%rbp),%rsi movq nb204_argcrf(%rbp),%rdi movss (%rsi),%xmm1 movss (%rdi),%xmm2 shufps $0,%xmm1,%xmm1 shufps $0,%xmm2,%xmm2 movaps %xmm1,nb204_krf(%rsp) movaps %xmm2,nb204_crf(%rsp) ## create constant floating-point factors on stack movl $0x3f000000,%eax ## half in IEEE (hex) movl %eax,nb204_half(%rsp) movss nb204_half(%rsp),%xmm1 shufps $0,%xmm1,%xmm1 ## splat to all elements movaps %xmm1,%xmm2 addps %xmm2,%xmm2 ## one movaps %xmm2,%xmm3 addps %xmm2,%xmm2 ## two addps %xmm2,%xmm3 ## three movaps %xmm1,nb204_half(%rsp) movaps %xmm2,nb204_two(%rsp) movaps %xmm3,nb204_three(%rsp) ## assume we have at least one i particle - start directly movq nb204_iinr(%rsp),%rcx ## rcx = pointer into iinr[] movl (%rcx),%ebx ## ebx =ii movq nb204_charge(%rbp),%rdx movss 4(%rdx,%rbx,4),%xmm3 movss %xmm3,%xmm4 movss 12(%rdx,%rbx,4),%xmm5 movq nb204_p_facel(%rbp),%rsi movss (%rsi),%xmm0 movss nb204_facel(%rsp),%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,nb204_qqHH(%rsp) movaps %xmm4,nb204_qqMH(%rsp) movaps %xmm5,nb204_qqMM(%rsp)_nb_kernel204_x86_64_sse.nb204_threadloop: movq nb204_count(%rbp),%rsi ## pointer to sync counter movl (%rsi),%eax_nb_kernel204_x86_64_sse.nb204_spinlock: movl %eax,%ebx ## ebx=*count=nn0 addq $1,%rbx ## rbx=nn1=nn0+10 lock cmpxchgl %ebx,(%rsi) ## write nn1 to *counter, ## if it hasnt changed. ## or reread *counter to eax. pause ## -> better p4 performance jnz _nb_kernel204_x86_64_sse.nb204_spinlock ## if(nn1>nri) nn1=nri movl nb204_nri(%rsp),%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,nb204_n(%rsp) movl %ebx,nb204_nn1(%rsp) subl %eax,%ebx ## calc number of outer lists movl %eax,%esi ## copy n to esi jg _nb_kernel204_x86_64_sse.nb204_outerstart jmp _nb_kernel204_x86_64_sse.nb204_end_nb_kernel204_x86_64_sse.nb204_outerstart: ## ebx contains number of outer iterations addl nb204_nouter(%rsp),%ebx movl %ebx,nb204_nouter(%rsp)_nb_kernel204_x86_64_sse.nb204_outer: movq nb204_shift(%rsp),%rax ## rax = pointer into shift[] movl (%rax,%rsi,4),%ebx ## rbx=shift[n] lea (%rbx,%rbx,2),%rbx ## rbx=3*is movl %ebx,nb204_is3(%rsp) ## store is3 movq nb204_shiftvec(%rsp),%rax ## rax = base of shiftvec[] movss (%rax,%rbx,4),%xmm0 movss 4(%rax,%rbx,4),%xmm1 movss 8(%rax,%rbx,4),%xmm2 movq nb204_iinr(%rsp),%rcx ## rcx = pointer into iinr[] movl (%rcx,%rsi,4),%ebx ## ebx =ii lea (%rbx,%rbx,2),%rbx ## rbx = 3*ii=ii3 movq nb204_pos(%rbp),%rax ## rax = base of pos[] movl %ebx,nb204_ii3(%rsp) movaps %xmm0,%xmm3 movaps %xmm1,%xmm4 movaps %xmm2,%xmm5 addss 12(%rax,%rbx,4),%xmm3 addss 16(%rax,%rbx,4),%xmm4 addss 20(%rax,%rbx,4),%xmm5 shufps $0,%xmm3,%xmm3 shufps $0,%xmm4,%xmm4 shufps $0,%xmm5,%xmm5 movaps %xmm3,nb204_ixH1(%rsp) movaps %xmm4,nb204_iyH1(%rsp) movaps %xmm5,nb204_izH1(%rsp) movss %xmm0,%xmm3 movss %xmm1,%xmm4 movss %xmm2,%xmm5 addss 24(%rax,%rbx,4),%xmm0 addss 28(%rax,%rbx,4),%xmm1 addss 32(%rax,%rbx,4),%xmm2 addss 36(%rax,%rbx,4),%xmm3 addss 40(%rax,%rbx,4),%xmm4 addss 44(%rax,%rbx,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,nb204_ixH2(%rsp) movaps %xmm1,nb204_iyH2(%rsp) movaps %xmm2,nb204_izH2(%rsp) movaps %xmm3,nb204_ixM(%rsp) movaps %xmm4,nb204_iyM(%rsp) movaps %xmm5,nb204_izM(%rsp) ## clear vctot and i forces xorps %xmm4,%xmm4 movaps %xmm4,nb204_vctot(%rsp) movaps %xmm4,nb204_fixH1(%rsp) movaps %xmm4,nb204_fiyH1(%rsp) movaps %xmm4,nb204_fizH1(%rsp) movaps %xmm4,nb204_fixH2(%rsp) movaps %xmm4,nb204_fiyH2(%rsp) movaps %xmm4,nb204_fizH2(%rsp) movaps %xmm4,nb204_fixM(%rsp) movaps %xmm4,nb204_fiyM(%rsp) movaps %xmm4,nb204_fizM(%rsp) movq nb204_jindex(%rsp),%rax movl (%rax,%rsi,4),%ecx ## jindex[n] movl 4(%rax,%rsi,4),%edx ## jindex[n+1] subl %ecx,%edx ## number of innerloop atoms movq nb204_pos(%rbp),%rsi movq nb204_faction(%rbp),%rdi movq nb204_jjnr(%rsp),%rax shll $2,%ecx addq %rcx,%rax movq %rax,nb204_innerjjnr(%rsp) ## pointer to jjnr[nj0] movl %edx,%ecx subl $4,%edx addl nb204_ninner(%rsp),%ecx movl %ecx,nb204_ninner(%rsp) addl $0,%edx movl %edx,nb204_innerk(%rsp) ## number of innerloop atoms jge _nb_kernel204_x86_64_sse.nb204_unroll_loop jmp _nb_kernel204_x86_64_sse.nb204_single_check_nb_kernel204_x86_64_sse.nb204_unroll_loop: ## quad-unroll innerloop here movq nb204_innerjjnr(%rsp),%rdx ## pointer to jjnr[k] movl (%rdx),%eax movl 4(%rdx),%ebx movl 8(%rdx),%ecx movl 12(%rdx),%edx ## eax-edx=jnr1-4 addq $16,nb204_innerjjnr(%rsp) ## advance pointer (unrolled 4) movq nb204_pos(%rbp),%rsi ## base of pos[] lea (%rax,%rax,2),%rax ## replace jnr with j3 lea (%rbx,%rbx,2),%rbx lea (%rcx,%rcx,2),%rcx ## replace jnr with j3 lea (%rdx,%rdx,2),%rdx ## move j H1 coordinates to local temp variables movlps 12(%rsi,%rax,4),%xmm0 ## jxH1a jyH1a - - movlps 12(%rsi,%rcx,4),%xmm1 ## jxH1c jyH1c - - movhps 12(%rsi,%rbx,4),%xmm0 ## jxH1a jyH1a jxH1b jyH1b movhps 12(%rsi,%rdx,4),%xmm1 ## jxH1c jyH1c jxH1d jyH1d movss 20(%rsi,%rax,4),%xmm2 ## jzH1a - - - movss 20(%rsi,%rcx,4),%xmm3 ## jzH1c - - - movhps 20(%rsi,%rbx,4),%xmm2 ## jzH1a - jzH1b - movhps 20(%rsi,%rdx,4),%xmm3 ## jzH1c - jzH1d - movaps %xmm0,%xmm4 unpcklps %xmm1,%xmm0 ## jxH1a jxH1c jyH1a jyH1c unpckhps %xmm1,%xmm4 ## jxH1b jxH1d jyH1b jyH1d movaps %xmm0,%xmm1 unpcklps %xmm4,%xmm0 ## x unpckhps %xmm4,%xmm1 ## y shufps $136,%xmm3,%xmm2 ## 10001000 => jzH1a jzH1b jzH1c jzH1d ## xmm0 = H1x ## xmm1 = H1y ## xmm2 = H1z movaps %xmm0,%xmm3 movaps %xmm1,%xmm4 movaps %xmm2,%xmm5 movaps %xmm0,%xmm6 movaps %xmm1,%xmm7 movaps %xmm2,%xmm8 subps nb204_ixH1(%rsp),%xmm0 subps nb204_iyH1(%rsp),%xmm1 subps nb204_izH1(%rsp),%xmm2 subps nb204_ixH2(%rsp),%xmm3 subps nb204_iyH2(%rsp),%xmm4 subps nb204_izH2(%rsp),%xmm5 subps nb204_ixM(%rsp),%xmm6 subps nb204_iyM(%rsp),%xmm7 subps nb204_izM(%rsp),%xmm8 movaps %xmm0,nb204_dxH1H1(%rsp) movaps %xmm1,nb204_dyH1H1(%rsp) movaps %xmm2,nb204_dzH1H1(%rsp) mulps %xmm0,%xmm0 mulps %xmm1,%xmm1 mulps %xmm2,%xmm2 movaps %xmm3,nb204_dxH2H1(%rsp) movaps %xmm4,nb204_dyH2H1(%rsp) movaps %xmm5,nb204_dzH2H1(%rsp) mulps %xmm3,%xmm3 mulps %xmm4,%xmm4⌨️ 快捷键说明
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