nb_kernel133_x86_64_sse2.s
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#### $Id: nb_kernel133_x86_64_sse2.s,v 1.4.2.3 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##.globl nb_kernel133_x86_64_sse2.globl _nb_kernel133_x86_64_sse2nb_kernel133_x86_64_sse2: _nb_kernel133_x86_64_sse2: ## Room for return address and rbp (16 bytes).set nb133_fshift, 16.set nb133_gid, 24.set nb133_pos, 32.set nb133_faction, 40.set nb133_charge, 48.set nb133_p_facel, 56.set nb133_argkrf, 64.set nb133_argcrf, 72.set nb133_Vc, 80.set nb133_type, 88.set nb133_p_ntype, 96.set nb133_vdwparam, 104.set nb133_Vvdw, 112.set nb133_p_tabscale, 120.set nb133_VFtab, 128.set nb133_invsqrta, 136.set nb133_dvda, 144.set nb133_p_gbtabscale, 152.set nb133_GBtab, 160.set nb133_p_nthreads, 168.set nb133_count, 176.set nb133_mtx, 184.set nb133_outeriter, 192.set nb133_inneriter, 200.set nb133_work, 208 ## stack offsets for local variables ## bottom of stack is cache-aligned for sse2 use .set nb133_ixO, 0.set nb133_iyO, 16.set nb133_izO, 32.set nb133_ixH1, 48.set nb133_iyH1, 64.set nb133_izH1, 80.set nb133_ixH2, 96.set nb133_iyH2, 112.set nb133_izH2, 128.set nb133_ixM, 144.set nb133_iyM, 160.set nb133_izM, 176.set nb133_iqH, 192.set nb133_iqM, 208.set nb133_dxO, 224.set nb133_dyO, 240.set nb133_dzO, 256.set nb133_dxH1, 272.set nb133_dyH1, 288.set nb133_dzH1, 304.set nb133_dxH2, 320.set nb133_dyH2, 336.set nb133_dzH2, 352.set nb133_dxM, 368.set nb133_dyM, 384.set nb133_dzM, 400.set nb133_qqH, 416.set nb133_qqM, 432.set nb133_c6, 448.set nb133_c12, 464.set nb133_tsc, 480.set nb133_fstmp, 496.set nb133_vctot, 512.set nb133_Vvdwtot, 528.set nb133_fixO, 544.set nb133_fiyO, 560.set nb133_fizO, 576.set nb133_fixH1, 592.set nb133_fiyH1, 608.set nb133_fizH1, 624.set nb133_fixH2, 640.set nb133_fiyH2, 656.set nb133_fizH2, 672.set nb133_fixM, 688.set nb133_fiyM, 704.set nb133_fizM, 720.set nb133_fjx, 736.set nb133_fjy, 752.set nb133_fjz, 768.set nb133_half, 784.set nb133_three, 800.set nb133_two, 816.set nb133_rinvH1, 832.set nb133_rinvH2, 848.set nb133_rinvM, 864.set nb133_krsqH1, 880.set nb133_krsqH2, 896.set nb133_krsqM, 912.set nb133_krf, 928.set nb133_crf, 944.set nb133_rsqO, 960.set nb133_facel, 976.set nb133_iinr, 992.set nb133_jindex, 1000.set nb133_jjnr, 1008.set nb133_shift, 1016.set nb133_shiftvec, 1024.set nb133_innerjjnr, 1032.set nb133_is3, 1040.set nb133_ii3, 1044.set nb133_nri, 1048.set nb133_ntia, 1052.set nb133_innerk, 1056.set nb133_n, 1060.set nb133_nn1, 1064.set nb133_nouter, 1068.set nb133_ninner, 1072 push %rbp movq %rsp,%rbp push %rbx emms push %r12 push %r13 push %r14 push %r15 subq $1080,%rsp ## local variable stack space (n*16+8) ## zero 32-bit iteration counters movl $0,%eax movl %eax,nb133_nouter(%rsp) movl %eax,nb133_ninner(%rsp) movl (%rdi),%edi movl %edi,nb133_nri(%rsp) movq %rsi,nb133_iinr(%rsp) movq %rdx,nb133_jindex(%rsp) movq %rcx,nb133_jjnr(%rsp) movq %r8,nb133_shift(%rsp) movq %r9,nb133_shiftvec(%rsp) movq nb133_p_facel(%rbp),%rsi movsd (%rsi),%xmm0 movsd %xmm0,nb133_facel(%rsp) movq nb133_p_tabscale(%rbp),%rax movsd (%rax),%xmm3 shufpd $0,%xmm3,%xmm3 movapd %xmm3,nb133_tsc(%rsp) ## create constant floating-point factors on stack movl $0x00000000,%eax ## lower half of double half IEEE (hex) movl $0x3fe00000,%ebx movl %eax,nb133_half(%rsp) movl %ebx,nb133_half+4(%rsp) movsd nb133_half(%rsp),%xmm1 shufpd $0,%xmm1,%xmm1 ## splat to all elements movapd %xmm1,%xmm3 addpd %xmm3,%xmm3 ## one movapd %xmm3,%xmm2 addpd %xmm2,%xmm2 ## two addpd %xmm2,%xmm3 ## three movapd %xmm1,nb133_half(%rsp) movapd %xmm2,nb133_two(%rsp) movapd %xmm3,nb133_three(%rsp) ## assume we have at least one i particle - start directly movq nb133_iinr(%rsp),%rcx ## rcx = pointer into iinr[] movl (%rcx),%ebx ## ebx =ii movq nb133_charge(%rbp),%rdx movsd 8(%rdx,%rbx,8),%xmm3 movsd 24(%rdx,%rbx,8),%xmm4 movsd nb133_facel(%rsp),%xmm5 mulsd %xmm5,%xmm3 mulsd %xmm5,%xmm4 shufpd $0,%xmm3,%xmm3 shufpd $0,%xmm4,%xmm4 movapd %xmm3,nb133_iqH(%rsp) movapd %xmm4,nb133_iqM(%rsp) movq nb133_type(%rbp),%rdx movl (%rdx,%rbx,4),%ecx shll %ecx movq nb133_p_ntype(%rbp),%rdi imull (%rdi),%ecx ## rcx = ntia = 2*ntype*type[ii0] movl %ecx,nb133_ntia(%rsp)_nb_kernel133_x86_64_sse2.nb133_threadloop: movq nb133_count(%rbp),%rsi ## pointer to sync counter movl (%rsi),%eax_nb_kernel133_x86_64_sse2.nb133_spinlock: movl %eax,%ebx ## ebx=*count=nn0 addl $1,%ebx ## ebx=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_kernel133_x86_64_sse2.nb133_spinlock ## if(nn1>nri) nn1=nri movl nb133_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,nb133_n(%rsp) movl %ebx,nb133_nn1(%rsp) subl %eax,%ebx ## calc number of outer lists movl %eax,%esi ## copy n to esi jg _nb_kernel133_x86_64_sse2.nb133_outerstart jmp _nb_kernel133_x86_64_sse2.nb133_end_nb_kernel133_x86_64_sse2.nb133_outerstart: ## ebx contains number of outer iterations addl nb133_nouter(%rsp),%ebx movl %ebx,nb133_nouter(%rsp)_nb_kernel133_x86_64_sse2.nb133_outer: movq nb133_shift(%rsp),%rax ## eax = pointer into shift[] movl (%rax,%rsi,4),%ebx ## ebx=shift[n] lea (%rbx,%rbx,2),%rbx ## rbx=3*is movl %ebx,nb133_is3(%rsp) ## store is3 movq nb133_shiftvec(%rsp),%rax ## eax = base of shiftvec[] movsd (%rax,%rbx,8),%xmm0 movsd 8(%rax,%rbx,8),%xmm1 movsd 16(%rax,%rbx,8),%xmm2 movq nb133_iinr(%rsp),%rcx ## ecx = pointer into iinr[] movl (%rcx,%rsi,4),%ebx ## ebx =ii movapd %xmm0,%xmm3 movapd %xmm1,%xmm4 movapd %xmm2,%xmm5 movapd %xmm0,%xmm6 movapd %xmm1,%xmm7 lea (%rbx,%rbx,2),%rbx ## rbx = 3*ii=ii3 movq nb133_pos(%rbp),%rax ## eax = base of pos[] movl %ebx,nb133_ii3(%rsp) addsd (%rax,%rbx,8),%xmm3 ## ox addsd 8(%rax,%rbx,8),%xmm4 ## oy addsd 16(%rax,%rbx,8),%xmm5 ## oz addsd 24(%rax,%rbx,8),%xmm6 ## h1x addsd 32(%rax,%rbx,8),%xmm7 ## h1y shufpd $0,%xmm3,%xmm3 shufpd $0,%xmm4,%xmm4 shufpd $0,%xmm5,%xmm5 shufpd $0,%xmm6,%xmm6 shufpd $0,%xmm7,%xmm7 movapd %xmm3,nb133_ixO(%rsp) movapd %xmm4,nb133_iyO(%rsp) movapd %xmm5,nb133_izO(%rsp) movapd %xmm6,nb133_ixH1(%rsp) movapd %xmm7,nb133_iyH1(%rsp) movsd %xmm2,%xmm6 movsd %xmm0,%xmm3 movsd %xmm1,%xmm4 movsd %xmm2,%xmm5 addsd 40(%rax,%rbx,8),%xmm6 ## h1z addsd 48(%rax,%rbx,8),%xmm0 ## h2x addsd 56(%rax,%rbx,8),%xmm1 ## h2y addsd 64(%rax,%rbx,8),%xmm2 ## h2z addsd 72(%rax,%rbx,8),%xmm3 ## mx addsd 80(%rax,%rbx,8),%xmm4 ## my addsd 88(%rax,%rbx,8),%xmm5 ## mz shufpd $0,%xmm6,%xmm6 shufpd $0,%xmm0,%xmm0 shufpd $0,%xmm1,%xmm1 shufpd $0,%xmm2,%xmm2 shufpd $0,%xmm3,%xmm3 shufpd $0,%xmm4,%xmm4 shufpd $0,%xmm5,%xmm5 movapd %xmm6,nb133_izH1(%rsp) movapd %xmm0,nb133_ixH2(%rsp) movapd %xmm1,nb133_iyH2(%rsp) movapd %xmm2,nb133_izH2(%rsp) movapd %xmm3,nb133_ixM(%rsp) movapd %xmm4,nb133_iyM(%rsp) movapd %xmm5,nb133_izM(%rsp) ## clear vctot and i forces xorpd %xmm4,%xmm4 movapd %xmm4,nb133_vctot(%rsp) movapd %xmm4,nb133_Vvdwtot(%rsp) movapd %xmm4,nb133_fixO(%rsp) movapd %xmm4,nb133_fiyO(%rsp) movapd %xmm4,nb133_fizO(%rsp) movapd %xmm4,nb133_fixH1(%rsp) movapd %xmm4,nb133_fiyH1(%rsp) movapd %xmm4,nb133_fizH1(%rsp) movapd %xmm4,nb133_fixH2(%rsp) movapd %xmm4,nb133_fiyH2(%rsp) movapd %xmm4,nb133_fizH2(%rsp) movapd %xmm4,nb133_fixM(%rsp) movapd %xmm4,nb133_fiyM(%rsp) movapd %xmm4,nb133_fizM(%rsp) movq nb133_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 nb133_pos(%rbp),%rsi movq nb133_faction(%rbp),%rdi movq nb133_jjnr(%rsp),%rax shll $2,%ecx addq %rcx,%rax movq %rax,nb133_innerjjnr(%rsp) ## pointer to jjnr[nj0] movl %edx,%ecx subl $2,%edx addl nb133_ninner(%rsp),%ecx movl %ecx,nb133_ninner(%rsp) addl $0,%edx movl %edx,nb133_innerk(%rsp) ## number of innerloop atoms jge _nb_kernel133_x86_64_sse2.nb133_unroll_loop jmp _nb_kernel133_x86_64_sse2.nb133_checksingle_nb_kernel133_x86_64_sse2.nb133_unroll_loop: ## twice unrolled innerloop here movq nb133_innerjjnr(%rsp),%rdx ## pointer to jjnr[k] movl (%rdx),%eax movl 4(%rdx),%ebx addq $8,nb133_innerjjnr(%rsp) ## advance pointer (unrolled 2) movq nb133_charge(%rbp),%rsi ## base of charge[] movlpd (%rsi,%rax,8),%xmm3 movhpd (%rsi,%rbx,8),%xmm3 movapd %xmm3,%xmm4 mulpd nb133_iqM(%rsp),%xmm3 mulpd nb133_iqH(%rsp),%xmm4 movapd %xmm3,nb133_qqM(%rsp) movapd %xmm4,nb133_qqH(%rsp) movq nb133_type(%rbp),%rsi movl (%rsi,%rax,4),%r8d movl (%rsi,%rbx,4),%r9d movq nb133_vdwparam(%rbp),%rsi shll %r8d shll %r9d movl nb133_ntia(%rsp),%edi addl %edi,%r8d addl %edi,%r9d movlpd (%rsi,%r8,8),%xmm6 ## c6a movlpd (%rsi,%r9,8),%xmm7 ## c6b movhpd 8(%rsi,%r8,8),%xmm6 ## c6a c12a movhpd 8(%rsi,%r9,8),%xmm7 ## c6b c12b movapd %xmm6,%xmm4 unpcklpd %xmm7,%xmm4 unpckhpd %xmm7,%xmm6 movapd %xmm4,nb133_c6(%rsp) movapd %xmm6,nb133_c12(%rsp) movq nb133_pos(%rbp),%rsi ## base of pos[] lea (%rax,%rax,2),%rax ## replace jnr with j3 lea (%rbx,%rbx,2),%rbx ## move j coordinates to local temp variables movlpd (%rsi,%rax,8),%xmm0 movlpd 8(%rsi,%rax,8),%xmm1 movlpd 16(%rsi,%rax,8),%xmm2 movhpd (%rsi,%rbx,8),%xmm0 movhpd 8(%rsi,%rbx,8),%xmm1 movhpd 16(%rsi,%rbx,8),%xmm2 ## xmm0 = jx ## xmm1 = jy ## xmm2 = jz ## O interaction ## copy to xmm3-xmm5 movapd %xmm0,%xmm3 movapd %xmm1,%xmm4 movapd %xmm2,%xmm5 subpd nb133_ixO(%rsp),%xmm3 subpd nb133_iyO(%rsp),%xmm4 subpd nb133_izO(%rsp),%xmm5 movapd %xmm3,nb133_dxO(%rsp) movapd %xmm4,nb133_dyO(%rsp) movapd %xmm5,nb133_dzO(%rsp) mulpd %xmm3,%xmm3 mulpd %xmm4,%xmm4 mulpd %xmm5,%xmm5 addpd %xmm4,%xmm3 addpd %xmm5,%xmm3 ## xmm3=rsq cvtpd2ps %xmm3,%xmm15 rsqrtps %xmm15,%xmm15 cvtps2pd %xmm15,%xmm15 ## lu in low xmm2 ## lookup seed in xmm15 movapd %xmm15,%xmm5 ## copy of lu mulpd %xmm15,%xmm15 ## lu*lu movapd nb133_three(%rsp),%xmm7 mulpd %xmm3,%xmm15 ## rsq*lu*lu movapd nb133_half(%rsp),%xmm6 subpd %xmm15,%xmm7 ## 30-rsq*lu*lu ⌨️ 快捷键说明
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