nb_kernel130_x86_64_sse.s
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#### $Id: nb_kernel130_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_kernel130_x86_64_sse.globl _nb_kernel130_x86_64_ssenb_kernel130_x86_64_sse: _nb_kernel130_x86_64_sse: ## Room for return address and rbp (16 bytes).set nb130_fshift, 16.set nb130_gid, 24.set nb130_pos, 32.set nb130_faction, 40.set nb130_charge, 48.set nb130_p_facel, 56.set nb130_argkrf, 64.set nb130_argcrf, 72.set nb130_Vc, 80.set nb130_type, 88.set nb130_p_ntype, 96.set nb130_vdwparam, 104.set nb130_Vvdw, 112.set nb130_p_tabscale, 120.set nb130_VFtab, 128.set nb130_invsqrta, 136.set nb130_dvda, 144.set nb130_p_gbtabscale, 152.set nb130_GBtab, 160.set nb130_p_nthreads, 168.set nb130_count, 176.set nb130_mtx, 184.set nb130_outeriter, 192.set nb130_inneriter, 200.set nb130_work, 208 ## stack offsets for local variables ## bottom of stack is cache-aligned for sse use .set nb130_ix, 0.set nb130_iy, 16.set nb130_iz, 32.set nb130_iq, 48.set nb130_dx, 64.set nb130_dy, 80.set nb130_dz, 96.set nb130_c6, 112.set nb130_c12, 128.set nb130_tsc, 144.set nb130_qq, 160.set nb130_vctot, 176.set nb130_Vvdwtot, 192.set nb130_fix, 208.set nb130_fiy, 224.set nb130_fiz, 240.set nb130_half, 256.set nb130_three, 272.set nb130_two, 288.set nb130_nri, 336.set nb130_iinr, 344.set nb130_jindex, 352.set nb130_jjnr, 360.set nb130_shift, 368.set nb130_shiftvec, 376.set nb130_facel, 384.set nb130_innerjjnr, 392.set nb130_is3, 400.set nb130_ii3, 404.set nb130_ntia, 408.set nb130_innerk, 412.set nb130_n, 416.set nb130_nn1, 420.set nb130_ntype, 424.set nb130_nouter, 428.set nb130_ninner, 432 push %rbp movq %rsp,%rbp push %rbx emms push %r12 push %r13 push %r14 push %r15 subq $440,%rsp ## local variable stack space (n*16+8) ## zero 32-bit iteration counters movl $0,%eax movl %eax,nb130_nouter(%rsp) movl %eax,nb130_ninner(%rsp) movl (%rdi),%edi movl %edi,nb130_nri(%rsp) movq %rsi,nb130_iinr(%rsp) movq %rdx,nb130_jindex(%rsp) movq %rcx,nb130_jjnr(%rsp) movq %r8,nb130_shift(%rsp) movq %r9,nb130_shiftvec(%rsp) movq nb130_p_ntype(%rbp),%rdi movl (%rdi),%edi movl %edi,nb130_ntype(%rsp) movq nb130_p_facel(%rbp),%rsi movss (%rsi),%xmm0 movss %xmm0,nb130_facel(%rsp) movq nb130_p_tabscale(%rbp),%rax movss (%rax),%xmm3 shufps $0,%xmm3,%xmm3 movaps %xmm3,nb130_tsc(%rsp) ## create constant floating-point factors on stack movl $0x3f000000,%eax ## half in IEEE (hex) movl %eax,nb130_half(%rsp) movss nb130_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,nb130_half(%rsp) movaps %xmm2,nb130_two(%rsp) movaps %xmm3,nb130_three(%rsp)_nb_kernel130_x86_64_sse.nb130_threadloop: movq nb130_count(%rbp),%rsi ## pointer to sync counter movl (%rsi),%eax_nb_kernel130_x86_64_sse.nb130_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_kernel130_x86_64_sse.nb130_spinlock ## if(nn1>nri) nn1=nri movl nb130_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,nb130_n(%rsp) movl %ebx,nb130_nn1(%rsp) subl %eax,%ebx ## calc number of outer lists movl %eax,%esi ## copy n to esi jg _nb_kernel130_x86_64_sse.nb130_outerstart jmp _nb_kernel130_x86_64_sse.nb130_end_nb_kernel130_x86_64_sse.nb130_outerstart: ## ebx contains number of outer iterations addl nb130_nouter(%rsp),%ebx movl %ebx,nb130_nouter(%rsp)_nb_kernel130_x86_64_sse.nb130_outer: movq nb130_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,nb130_is3(%rsp) ## store is3 movq nb130_shiftvec(%rsp),%rax ## eax = base of shiftvec[] movss (%rax,%rbx,4),%xmm0 movss 4(%rax,%rbx,4),%xmm1 movss 8(%rax,%rbx,4),%xmm2 movq nb130_iinr(%rsp),%rcx ## ecx = pointer into iinr[] movl (%rcx,%rsi,4),%ebx ## ebx =ii movq nb130_charge(%rbp),%rdx movss (%rdx,%rbx,4),%xmm3 mulss nb130_facel(%rsp),%xmm3 shufps $0,%xmm3,%xmm3 movq nb130_type(%rbp),%rdx movl (%rdx,%rbx,4),%edx imull nb130_ntype(%rsp),%edx shll %edx movl %edx,nb130_ntia(%rsp) lea (%rbx,%rbx,2),%rbx ## rbx = 3*ii=ii3 movq nb130_pos(%rbp),%rax ## eax = base of pos[] addss (%rax,%rbx,4),%xmm0 addss 4(%rax,%rbx,4),%xmm1 addss 8(%rax,%rbx,4),%xmm2 movaps %xmm3,nb130_iq(%rsp) shufps $0,%xmm0,%xmm0 shufps $0,%xmm1,%xmm1 shufps $0,%xmm2,%xmm2 movaps %xmm0,nb130_ix(%rsp) movaps %xmm1,nb130_iy(%rsp) movaps %xmm2,nb130_iz(%rsp) movl %ebx,nb130_ii3(%rsp) ## clear vctot and i forces xorps %xmm4,%xmm4 movaps %xmm4,nb130_vctot(%rsp) movaps %xmm4,nb130_Vvdwtot(%rsp) movaps %xmm4,nb130_fix(%rsp) movaps %xmm4,nb130_fiy(%rsp) movaps %xmm4,nb130_fiz(%rsp) movq nb130_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 nb130_jjnr(%rsp),%rax shll $2,%ecx addq %rcx,%rax movq %rax,nb130_innerjjnr(%rsp) ## pointer to jjnr[nj0] movl %edx,%ecx subl $4,%edx addl nb130_ninner(%rsp),%ecx movl %ecx,nb130_ninner(%rsp) addl $0,%edx movl %edx,nb130_innerk(%rsp) ## number of innerloop atoms jge _nb_kernel130_x86_64_sse.nb130_unroll_loop jmp _nb_kernel130_x86_64_sse.nb130_finish_inner_nb_kernel130_x86_64_sse.nb130_unroll_loop: ## quad-unroll innerloop here movq nb130_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,nb130_innerjjnr(%rsp) ## advance pointer (unrolled 4) movq nb130_charge(%rbp),%rsi movss (%rsi,%rax,4),%xmm0 movss (%rsi,%rcx,4),%xmm1 movss (%rsi,%rbx,4),%xmm2 movss (%rsi,%rdx,4),%xmm3 unpcklps %xmm1,%xmm0 ## jqa jqc - - unpcklps %xmm3,%xmm2 ## jqb jqd - - unpcklps %xmm2,%xmm0 ## jqa jqb jqc jqd mulps nb130_iq(%rsp),%xmm0 movaps %xmm0,nb130_qq(%rsp) ## vdw parameters movq nb130_type(%rbp),%rsi movl (%rsi,%rax,4),%r12d movl (%rsi,%rbx,4),%r13d movl (%rsi,%rcx,4),%r14d movl (%rsi,%rdx,4),%r15d shll %r12d shll %r13d shll %r14d shll %r15d movl nb130_ntia(%rsp),%edi addl %edi,%r12d addl %edi,%r13d addl %edi,%r14d addl %edi,%r15d movq nb130_vdwparam(%rbp),%rsi movlps (%rsi,%r12,4),%xmm3 movlps (%rsi,%r14,4),%xmm7 movhps (%rsi,%r13,4),%xmm3 movhps (%rsi,%r15,4),%xmm7 movaps %xmm3,%xmm0 shufps $136,%xmm7,%xmm0 ## 10001000 shufps $221,%xmm7,%xmm3 ## 11011101 movaps %xmm0,nb130_c6(%rsp) movaps %xmm3,nb130_c12(%rsp) lea (%rax,%rax,2),%rax ## replace jnr with j3 lea (%rbx,%rbx,2),%rbx lea (%rcx,%rcx,2),%rcx lea (%rdx,%rdx,2),%rdx movq nb130_pos(%rbp),%rdi ## load coordinates movlps (%rdi,%rax,4),%xmm1 ## x1 y1 - - movlps (%rdi,%rcx,4),%xmm2 ## x3 y3 - - movhps (%rdi,%rbx,4),%xmm1 ## x2 y2 - - movhps (%rdi,%rdx,4),%xmm2 ## x4 y4 - - movss 8(%rdi,%rax,4),%xmm5 ## z1 - - - movss 8(%rdi,%rcx,4),%xmm6 ## z2 - - - movss 8(%rdi,%rbx,4),%xmm7 ## z3 - - - movss 8(%rdi,%rdx,4),%xmm8 ## z4 - - - movlhps %xmm7,%xmm5 ## jzOa - jzOb - movlhps %xmm8,%xmm6 ## jzOc - jzOd - movaps %xmm1,%xmm4 unpcklps %xmm2,%xmm1 ## jxa jxc jya jyc unpckhps %xmm2,%xmm4 ## jxb jxd jyb jyd movaps %xmm1,%xmm2 unpcklps %xmm4,%xmm1 ## x unpckhps %xmm4,%xmm2 ## y shufps $136,%xmm6,%xmm5 ## 10001000 => jzH2a jzH2b jzH2c jzH2d ## calc dr subps nb130_ix(%rsp),%xmm1 subps nb130_iy(%rsp),%xmm2 subps nb130_iz(%rsp),%xmm5 ## store dr movaps %xmm1,nb130_dx(%rsp) movaps %xmm2,nb130_dy(%rsp) movaps %xmm5,nb130_dz(%rsp) ## square it mulps %xmm1,%xmm1 mulps %xmm2,%xmm2 mulps %xmm5,%xmm5 addps %xmm2,%xmm1 addps %xmm5,%xmm1 ## rsq in xmm1 ## calculate rinv=1/sqrt(rsq) rsqrtps %xmm1,%xmm5 movaps %xmm5,%xmm2 mulps %xmm5,%xmm5 movaps nb130_three(%rsp),%xmm4 mulps %xmm1,%xmm5 ## rsq*lu*lu subps %xmm5,%xmm4 ## 30-rsq*lu*lu mulps %xmm2,%xmm4 mulps nb130_half(%rsp),%xmm4 movaps %xmm4,%xmm2 mulps %xmm4,%xmm1 ## xmm2=rinv ## xmm1=r mulps nb130_tsc(%rsp),%xmm1 ## rtab ## truncate and convert to integers cvttps2dq %xmm1,%xmm5 ## convert back to float cvtdq2ps %xmm5,%xmm4 ## multiply by 8 pslld $3,%xmm5 ## calculate eps subps %xmm4,%xmm1 ## move to integer registers movhlps %xmm5,%xmm6 movd %xmm5,%r8d movd %xmm6,%r10d pshufd $1,%xmm5,%xmm5 pshufd $1,%xmm6,%xmm6 movd %xmm5,%r9d movd %xmm6,%r11d ## xmm1=eps ## xmm2=rinv movq nb130_VFtab(%rbp),%rsi ## calculate LJ table movlps (%rsi,%r8,4),%xmm5 movlps 16(%rsi,%r8,4),%xmm9 movlps (%rsi,%r10,4),%xmm7 movlps 16(%rsi,%r10,4),%xmm11 movaps %xmm2,%xmm0 ## rinv mulps nb130_qq(%rsp),%xmm2 ## vcoul=rinv*qq movaps %xmm2,%xmm3 ## copy of vcoul (to calc fscal) mulps %xmm0,%xmm3 ## vcoul*rinv movhps (%rsi,%r9,4),%xmm5 movhps 16(%rsi,%r9,4),%xmm9 addps nb130_vctot(%rsp),%xmm2 movaps %xmm2,nb130_vctot(%rsp) movhps (%rsi,%r11,4),%xmm7 movhps 16(%rsi,%r11,4),%xmm11 movaps %xmm5,%xmm4 movaps %xmm9,%xmm8 shufps $136,%xmm7,%xmm4 ## 10001000 shufps $136,%xmm11,%xmm8 ## 10001000 shufps $221,%xmm7,%xmm5 ## 11011101 shufps $221,%xmm11,%xmm9 ## 11011101 movlps 8(%rsi,%r8,4),%xmm7 movlps 24(%rsi,%r8,4),%xmm11 movlps 8(%rsi,%r10,4),%xmm13 movlps 24(%rsi,%r10,4),%xmm14 movhps 8(%rsi,%r9,4),%xmm7 movhps 24(%rsi,%r9,4),%xmm11 movhps 8(%rsi,%r11,4),%xmm13 movhps 24(%rsi,%r11,4),%xmm14 movaps %xmm7,%xmm6 movaps %xmm11,%xmm10 shufps $136,%xmm13,%xmm6 ## 10001000 shufps $136,%xmm14,%xmm10 ## 10001000 shufps $221,%xmm13,%xmm7 ## 11011101 shufps $221,%xmm14,%xmm11 ## 11011101 ## dispersion table in xmm4-xmm7, repulsion table in xmm8-xmm11 mulps %xmm1,%xmm7 ## Heps mulps %xmm1,%xmm11 mulps %xmm1,%xmm6 ## Geps mulps %xmm1,%xmm10 mulps %xmm1,%xmm7 ## Heps2 mulps %xmm1,%xmm11 addps %xmm6,%xmm5 ## F+Geps addps %xmm10,%xmm9 addps %xmm7,%xmm5 ## F+Geps+Heps2 = Fp addps %xmm11,%xmm9 addps %xmm7,%xmm7 ## 2*Heps2 addps %xmm11,%xmm11 addps %xmm6,%xmm7 ## 2*Heps2+Geps addps %xmm10,%xmm11 addps %xmm5,%xmm7 ## FF = Fp + 2*Heps2 + Geps addps %xmm9,%xmm11 mulps %xmm1,%xmm5 ## eps*Fp mulps %xmm1,%xmm9 movaps nb130_c6(%rsp),%xmm12 movaps nb130_c12(%rsp),%xmm13 addps %xmm4,%xmm5 ## VV addps %xmm8,%xmm9 mulps %xmm12,%xmm5 ## VV*c6 = vnb6 mulps %xmm13,%xmm9 ## VV*c12 = vnb12 addps %xmm9,%xmm5 addps nb130_Vvdwtot(%rsp),%xmm5 movaps %xmm5,nb130_Vvdwtot(%rsp) mulps %xmm12,%xmm7 ## FF*c6 = fnb6 mulps %xmm13,%xmm11 ## FF*c12 = fnb12 addps %xmm11,%xmm7 mulps nb130_tsc(%rsp),%xmm7 subps %xmm7,%xmm3 mulps %xmm0,%xmm3 ## fscal movaps %xmm3,%xmm9 movaps %xmm3,%xmm10⌨️ 快捷键说明
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