Bug Summary

File:gromacs/gmxlib/nonbonded/nb_kernel_sse4_1_single/nb_kernel_ElecRF_VdwCSTab_GeomW3W3_sse4_1_single.c
Location:line 1106, column 22
Description:Value stored to 'two' during its initialization is never read

Annotated Source Code

1/*
2 * This file is part of the GROMACS molecular simulation package.
3 *
4 * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
5 * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
6 * and including many others, as listed in the AUTHORS file in the
7 * top-level source directory and at http://www.gromacs.org.
8 *
9 * GROMACS is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public License
11 * as published by the Free Software Foundation; either version 2.1
12 * of the License, or (at your option) any later version.
13 *
14 * GROMACS is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with GROMACS; if not, see
21 * http://www.gnu.org/licenses, or write to the Free Software Foundation,
22 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 *
24 * If you want to redistribute modifications to GROMACS, please
25 * consider that scientific software is very special. Version
26 * control is crucial - bugs must be traceable. We will be happy to
27 * consider code for inclusion in the official distribution, but
28 * derived work must not be called official GROMACS. Details are found
29 * in the README & COPYING files - if they are missing, get the
30 * official version at http://www.gromacs.org.
31 *
32 * To help us fund GROMACS development, we humbly ask that you cite
33 * the research papers on the package. Check out http://www.gromacs.org.
34 */
35/*
36 * Note: this file was generated by the GROMACS sse4_1_single kernel generator.
37 */
38#ifdef HAVE_CONFIG_H1
39#include <config.h>
40#endif
41
42#include <math.h>
43
44#include "../nb_kernel.h"
45#include "types/simple.h"
46#include "gromacs/math/vec.h"
47#include "nrnb.h"
48
49#include "gromacs/simd/math_x86_sse4_1_single.h"
50#include "kernelutil_x86_sse4_1_single.h"
51
52/*
53 * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwCSTab_GeomW3W3_VF_sse4_1_single
54 * Electrostatics interaction: ReactionField
55 * VdW interaction: CubicSplineTable
56 * Geometry: Water3-Water3
57 * Calculate force/pot: PotentialAndForce
58 */
59void
60nb_kernel_ElecRF_VdwCSTab_GeomW3W3_VF_sse4_1_single
61 (t_nblist * gmx_restrict nlist,
62 rvec * gmx_restrict xx,
63 rvec * gmx_restrict ff,
64 t_forcerec * gmx_restrict fr,
65 t_mdatoms * gmx_restrict mdatoms,
66 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data,
67 t_nrnb * gmx_restrict nrnb)
68{
69 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
70 * just 0 for non-waters.
71 * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different
72 * jnr indices corresponding to data put in the four positions in the SIMD register.
73 */
74 int i_shift_offset,i_coord_offset,outeriter,inneriter;
75 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
76 int jnrA,jnrB,jnrC,jnrD;
77 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
78 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
79 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
80 real rcutoff_scalar;
81 real *shiftvec,*fshift,*x,*f;
82 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
83 real scratch[4*DIM3];
84 __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
85 int vdwioffset0;
86 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
87 int vdwioffset1;
88 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
89 int vdwioffset2;
90 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
91 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
92 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
93 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
94 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
95 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
96 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
97 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
98 __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
99 __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
100 __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
101 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
102 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
103 __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
104 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
105 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
106 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
107 real *charge;
108 int nvdwtype;
109 __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
110 int *vdwtype;
111 real *vdwparam;
112 __m128 one_sixth = _mm_set1_ps(1.0/6.0);
113 __m128 one_twelfth = _mm_set1_ps(1.0/12.0);
114 __m128i vfitab;
115 __m128i ifour = _mm_set1_epi32(4);
116 __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF;
117 real *vftab;
118 __m128 dummy_mask,cutoff_mask;
119 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
120 __m128 one = _mm_set1_ps(1.0);
121 __m128 two = _mm_set1_ps(2.0);
122 x = xx[0];
123 f = ff[0];
124
125 nri = nlist->nri;
126 iinr = nlist->iinr;
127 jindex = nlist->jindex;
128 jjnr = nlist->jjnr;
129 shiftidx = nlist->shift;
130 gid = nlist->gid;
131 shiftvec = fr->shift_vec[0];
132 fshift = fr->fshift[0];
133 facel = _mm_set1_ps(fr->epsfac);
134 charge = mdatoms->chargeA;
135 krf = _mm_set1_ps(fr->ic->k_rf);
136 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
137 crf = _mm_set1_ps(fr->ic->c_rf);
138 nvdwtype = fr->ntype;
139 vdwparam = fr->nbfp;
140 vdwtype = mdatoms->typeA;
141
142 vftab = kernel_data->table_vdw->data;
143 vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale);
144
145 /* Setup water-specific parameters */
146 inr = nlist->iinr[0];
147 iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0]));
148 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
149 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
150 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
151
152 jq0 = _mm_set1_ps(charge[inr+0]);
153 jq1 = _mm_set1_ps(charge[inr+1]);
154 jq2 = _mm_set1_ps(charge[inr+2]);
155 vdwjidx0A = 2*vdwtype[inr+0];
156 qq00 = _mm_mul_ps(iq0,jq0);
157 c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]);
158 c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]);
159 qq01 = _mm_mul_ps(iq0,jq1);
160 qq02 = _mm_mul_ps(iq0,jq2);
161 qq10 = _mm_mul_ps(iq1,jq0);
162 qq11 = _mm_mul_ps(iq1,jq1);
163 qq12 = _mm_mul_ps(iq1,jq2);
164 qq20 = _mm_mul_ps(iq2,jq0);
165 qq21 = _mm_mul_ps(iq2,jq1);
166 qq22 = _mm_mul_ps(iq2,jq2);
167
168 /* Avoid stupid compiler warnings */
169 jnrA = jnrB = jnrC = jnrD = 0;
170 j_coord_offsetA = 0;
171 j_coord_offsetB = 0;
172 j_coord_offsetC = 0;
173 j_coord_offsetD = 0;
174
175 outeriter = 0;
176 inneriter = 0;
177
178 for(iidx=0;iidx<4*DIM3;iidx++)
179 {
180 scratch[iidx] = 0.0;
181 }
182
183 /* Start outer loop over neighborlists */
184 for(iidx=0; iidx<nri; iidx++)
185 {
186 /* Load shift vector for this list */
187 i_shift_offset = DIM3*shiftidx[iidx];
188
189 /* Load limits for loop over neighbors */
190 j_index_start = jindex[iidx];
191 j_index_end = jindex[iidx+1];
192
193 /* Get outer coordinate index */
194 inr = iinr[iidx];
195 i_coord_offset = DIM3*inr;
196
197 /* Load i particle coords and add shift vector */
198 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
199 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
200
201 fix0 = _mm_setzero_ps();
202 fiy0 = _mm_setzero_ps();
203 fiz0 = _mm_setzero_ps();
204 fix1 = _mm_setzero_ps();
205 fiy1 = _mm_setzero_ps();
206 fiz1 = _mm_setzero_ps();
207 fix2 = _mm_setzero_ps();
208 fiy2 = _mm_setzero_ps();
209 fiz2 = _mm_setzero_ps();
210
211 /* Reset potential sums */
212 velecsum = _mm_setzero_ps();
213 vvdwsum = _mm_setzero_ps();
214
215 /* Start inner kernel loop */
216 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
217 {
218
219 /* Get j neighbor index, and coordinate index */
220 jnrA = jjnr[jidx];
221 jnrB = jjnr[jidx+1];
222 jnrC = jjnr[jidx+2];
223 jnrD = jjnr[jidx+3];
224 j_coord_offsetA = DIM3*jnrA;
225 j_coord_offsetB = DIM3*jnrB;
226 j_coord_offsetC = DIM3*jnrC;
227 j_coord_offsetD = DIM3*jnrD;
228
229 /* load j atom coordinates */
230 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
231 x+j_coord_offsetC,x+j_coord_offsetD,
232 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
233
234 /* Calculate displacement vector */
235 dx00 = _mm_sub_ps(ix0,jx0);
236 dy00 = _mm_sub_ps(iy0,jy0);
237 dz00 = _mm_sub_ps(iz0,jz0);
238 dx01 = _mm_sub_ps(ix0,jx1);
239 dy01 = _mm_sub_ps(iy0,jy1);
240 dz01 = _mm_sub_ps(iz0,jz1);
241 dx02 = _mm_sub_ps(ix0,jx2);
242 dy02 = _mm_sub_ps(iy0,jy2);
243 dz02 = _mm_sub_ps(iz0,jz2);
244 dx10 = _mm_sub_ps(ix1,jx0);
245 dy10 = _mm_sub_ps(iy1,jy0);
246 dz10 = _mm_sub_ps(iz1,jz0);
247 dx11 = _mm_sub_ps(ix1,jx1);
248 dy11 = _mm_sub_ps(iy1,jy1);
249 dz11 = _mm_sub_ps(iz1,jz1);
250 dx12 = _mm_sub_ps(ix1,jx2);
251 dy12 = _mm_sub_ps(iy1,jy2);
252 dz12 = _mm_sub_ps(iz1,jz2);
253 dx20 = _mm_sub_ps(ix2,jx0);
254 dy20 = _mm_sub_ps(iy2,jy0);
255 dz20 = _mm_sub_ps(iz2,jz0);
256 dx21 = _mm_sub_ps(ix2,jx1);
257 dy21 = _mm_sub_ps(iy2,jy1);
258 dz21 = _mm_sub_ps(iz2,jz1);
259 dx22 = _mm_sub_ps(ix2,jx2);
260 dy22 = _mm_sub_ps(iy2,jy2);
261 dz22 = _mm_sub_ps(iz2,jz2);
262
263 /* Calculate squared distance and things based on it */
264 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
265 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
266 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
267 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
268 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
269 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
270 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
271 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
272 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
273
274 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
275 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
276 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
277 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
278 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
279 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
280 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
281 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
282 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
283
284 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
285 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
286 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
287 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
288 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
289 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
290 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
291 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
292 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
293
294 fjx0 = _mm_setzero_ps();
295 fjy0 = _mm_setzero_ps();
296 fjz0 = _mm_setzero_ps();
297 fjx1 = _mm_setzero_ps();
298 fjy1 = _mm_setzero_ps();
299 fjz1 = _mm_setzero_ps();
300 fjx2 = _mm_setzero_ps();
301 fjy2 = _mm_setzero_ps();
302 fjz2 = _mm_setzero_ps();
303
304 /**************************
305 * CALCULATE INTERACTIONS *
306 **************************/
307
308 r00 = _mm_mul_ps(rsq00,rinv00);
309
310 /* Calculate table index by multiplying r with table scale and truncate to integer */
311 rt = _mm_mul_ps(r00,vftabscale);
312 vfitab = _mm_cvttps_epi32(rt);
313 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
314 vfitab = _mm_slli_epi32(vfitab,3);
315
316 /* REACTION-FIELD ELECTROSTATICS */
317 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf));
318 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
319
320 /* CUBIC SPLINE TABLE DISPERSION */
321 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
322 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
323 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
324 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
325 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
326 Heps = _mm_mul_ps(vfeps,H);
327 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
328 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
329 vvdw6 = _mm_mul_ps(c6_00,VV);
330 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
331 fvdw6 = _mm_mul_ps(c6_00,FF);
332
333 /* CUBIC SPLINE TABLE REPULSION */
334 vfitab = _mm_add_epi32(vfitab,ifour);
335 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
336 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
337 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
338 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
339 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
340 Heps = _mm_mul_ps(vfeps,H);
341 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
342 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
343 vvdw12 = _mm_mul_ps(c12_00,VV);
344 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
345 fvdw12 = _mm_mul_ps(c12_00,FF);
346 vvdw = _mm_add_ps(vvdw12,vvdw6);
347 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
348
349 /* Update potential sum for this i atom from the interaction with this j atom. */
350 velecsum = _mm_add_ps(velecsum,velec);
351 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
352
353 fscal = _mm_add_ps(felec,fvdw);
354
355 /* Calculate temporary vectorial force */
356 tx = _mm_mul_ps(fscal,dx00);
357 ty = _mm_mul_ps(fscal,dy00);
358 tz = _mm_mul_ps(fscal,dz00);
359
360 /* Update vectorial force */
361 fix0 = _mm_add_ps(fix0,tx);
362 fiy0 = _mm_add_ps(fiy0,ty);
363 fiz0 = _mm_add_ps(fiz0,tz);
364
365 fjx0 = _mm_add_ps(fjx0,tx);
366 fjy0 = _mm_add_ps(fjy0,ty);
367 fjz0 = _mm_add_ps(fjz0,tz);
368
369 /**************************
370 * CALCULATE INTERACTIONS *
371 **************************/
372
373 /* REACTION-FIELD ELECTROSTATICS */
374 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf));
375 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
376
377 /* Update potential sum for this i atom from the interaction with this j atom. */
378 velecsum = _mm_add_ps(velecsum,velec);
379
380 fscal = felec;
381
382 /* Calculate temporary vectorial force */
383 tx = _mm_mul_ps(fscal,dx01);
384 ty = _mm_mul_ps(fscal,dy01);
385 tz = _mm_mul_ps(fscal,dz01);
386
387 /* Update vectorial force */
388 fix0 = _mm_add_ps(fix0,tx);
389 fiy0 = _mm_add_ps(fiy0,ty);
390 fiz0 = _mm_add_ps(fiz0,tz);
391
392 fjx1 = _mm_add_ps(fjx1,tx);
393 fjy1 = _mm_add_ps(fjy1,ty);
394 fjz1 = _mm_add_ps(fjz1,tz);
395
396 /**************************
397 * CALCULATE INTERACTIONS *
398 **************************/
399
400 /* REACTION-FIELD ELECTROSTATICS */
401 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf));
402 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
403
404 /* Update potential sum for this i atom from the interaction with this j atom. */
405 velecsum = _mm_add_ps(velecsum,velec);
406
407 fscal = felec;
408
409 /* Calculate temporary vectorial force */
410 tx = _mm_mul_ps(fscal,dx02);
411 ty = _mm_mul_ps(fscal,dy02);
412 tz = _mm_mul_ps(fscal,dz02);
413
414 /* Update vectorial force */
415 fix0 = _mm_add_ps(fix0,tx);
416 fiy0 = _mm_add_ps(fiy0,ty);
417 fiz0 = _mm_add_ps(fiz0,tz);
418
419 fjx2 = _mm_add_ps(fjx2,tx);
420 fjy2 = _mm_add_ps(fjy2,ty);
421 fjz2 = _mm_add_ps(fjz2,tz);
422
423 /**************************
424 * CALCULATE INTERACTIONS *
425 **************************/
426
427 /* REACTION-FIELD ELECTROSTATICS */
428 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf));
429 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
430
431 /* Update potential sum for this i atom from the interaction with this j atom. */
432 velecsum = _mm_add_ps(velecsum,velec);
433
434 fscal = felec;
435
436 /* Calculate temporary vectorial force */
437 tx = _mm_mul_ps(fscal,dx10);
438 ty = _mm_mul_ps(fscal,dy10);
439 tz = _mm_mul_ps(fscal,dz10);
440
441 /* Update vectorial force */
442 fix1 = _mm_add_ps(fix1,tx);
443 fiy1 = _mm_add_ps(fiy1,ty);
444 fiz1 = _mm_add_ps(fiz1,tz);
445
446 fjx0 = _mm_add_ps(fjx0,tx);
447 fjy0 = _mm_add_ps(fjy0,ty);
448 fjz0 = _mm_add_ps(fjz0,tz);
449
450 /**************************
451 * CALCULATE INTERACTIONS *
452 **************************/
453
454 /* REACTION-FIELD ELECTROSTATICS */
455 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
456 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
457
458 /* Update potential sum for this i atom from the interaction with this j atom. */
459 velecsum = _mm_add_ps(velecsum,velec);
460
461 fscal = felec;
462
463 /* Calculate temporary vectorial force */
464 tx = _mm_mul_ps(fscal,dx11);
465 ty = _mm_mul_ps(fscal,dy11);
466 tz = _mm_mul_ps(fscal,dz11);
467
468 /* Update vectorial force */
469 fix1 = _mm_add_ps(fix1,tx);
470 fiy1 = _mm_add_ps(fiy1,ty);
471 fiz1 = _mm_add_ps(fiz1,tz);
472
473 fjx1 = _mm_add_ps(fjx1,tx);
474 fjy1 = _mm_add_ps(fjy1,ty);
475 fjz1 = _mm_add_ps(fjz1,tz);
476
477 /**************************
478 * CALCULATE INTERACTIONS *
479 **************************/
480
481 /* REACTION-FIELD ELECTROSTATICS */
482 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
483 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
484
485 /* Update potential sum for this i atom from the interaction with this j atom. */
486 velecsum = _mm_add_ps(velecsum,velec);
487
488 fscal = felec;
489
490 /* Calculate temporary vectorial force */
491 tx = _mm_mul_ps(fscal,dx12);
492 ty = _mm_mul_ps(fscal,dy12);
493 tz = _mm_mul_ps(fscal,dz12);
494
495 /* Update vectorial force */
496 fix1 = _mm_add_ps(fix1,tx);
497 fiy1 = _mm_add_ps(fiy1,ty);
498 fiz1 = _mm_add_ps(fiz1,tz);
499
500 fjx2 = _mm_add_ps(fjx2,tx);
501 fjy2 = _mm_add_ps(fjy2,ty);
502 fjz2 = _mm_add_ps(fjz2,tz);
503
504 /**************************
505 * CALCULATE INTERACTIONS *
506 **************************/
507
508 /* REACTION-FIELD ELECTROSTATICS */
509 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf));
510 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
511
512 /* Update potential sum for this i atom from the interaction with this j atom. */
513 velecsum = _mm_add_ps(velecsum,velec);
514
515 fscal = felec;
516
517 /* Calculate temporary vectorial force */
518 tx = _mm_mul_ps(fscal,dx20);
519 ty = _mm_mul_ps(fscal,dy20);
520 tz = _mm_mul_ps(fscal,dz20);
521
522 /* Update vectorial force */
523 fix2 = _mm_add_ps(fix2,tx);
524 fiy2 = _mm_add_ps(fiy2,ty);
525 fiz2 = _mm_add_ps(fiz2,tz);
526
527 fjx0 = _mm_add_ps(fjx0,tx);
528 fjy0 = _mm_add_ps(fjy0,ty);
529 fjz0 = _mm_add_ps(fjz0,tz);
530
531 /**************************
532 * CALCULATE INTERACTIONS *
533 **************************/
534
535 /* REACTION-FIELD ELECTROSTATICS */
536 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
537 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
538
539 /* Update potential sum for this i atom from the interaction with this j atom. */
540 velecsum = _mm_add_ps(velecsum,velec);
541
542 fscal = felec;
543
544 /* Calculate temporary vectorial force */
545 tx = _mm_mul_ps(fscal,dx21);
546 ty = _mm_mul_ps(fscal,dy21);
547 tz = _mm_mul_ps(fscal,dz21);
548
549 /* Update vectorial force */
550 fix2 = _mm_add_ps(fix2,tx);
551 fiy2 = _mm_add_ps(fiy2,ty);
552 fiz2 = _mm_add_ps(fiz2,tz);
553
554 fjx1 = _mm_add_ps(fjx1,tx);
555 fjy1 = _mm_add_ps(fjy1,ty);
556 fjz1 = _mm_add_ps(fjz1,tz);
557
558 /**************************
559 * CALCULATE INTERACTIONS *
560 **************************/
561
562 /* REACTION-FIELD ELECTROSTATICS */
563 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
564 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
565
566 /* Update potential sum for this i atom from the interaction with this j atom. */
567 velecsum = _mm_add_ps(velecsum,velec);
568
569 fscal = felec;
570
571 /* Calculate temporary vectorial force */
572 tx = _mm_mul_ps(fscal,dx22);
573 ty = _mm_mul_ps(fscal,dy22);
574 tz = _mm_mul_ps(fscal,dz22);
575
576 /* Update vectorial force */
577 fix2 = _mm_add_ps(fix2,tx);
578 fiy2 = _mm_add_ps(fiy2,ty);
579 fiz2 = _mm_add_ps(fiz2,tz);
580
581 fjx2 = _mm_add_ps(fjx2,tx);
582 fjy2 = _mm_add_ps(fjy2,ty);
583 fjz2 = _mm_add_ps(fjz2,tz);
584
585 fjptrA = f+j_coord_offsetA;
586 fjptrB = f+j_coord_offsetB;
587 fjptrC = f+j_coord_offsetC;
588 fjptrD = f+j_coord_offsetD;
589
590 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
591 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
592
593 /* Inner loop uses 323 flops */
594 }
595
596 if(jidx<j_index_end)
597 {
598
599 /* Get j neighbor index, and coordinate index */
600 jnrlistA = jjnr[jidx];
601 jnrlistB = jjnr[jidx+1];
602 jnrlistC = jjnr[jidx+2];
603 jnrlistD = jjnr[jidx+3];
604 /* Sign of each element will be negative for non-real atoms.
605 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
606 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
607 */
608 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
609 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
610 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
611 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
612 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
613 j_coord_offsetA = DIM3*jnrA;
614 j_coord_offsetB = DIM3*jnrB;
615 j_coord_offsetC = DIM3*jnrC;
616 j_coord_offsetD = DIM3*jnrD;
617
618 /* load j atom coordinates */
619 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
620 x+j_coord_offsetC,x+j_coord_offsetD,
621 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
622
623 /* Calculate displacement vector */
624 dx00 = _mm_sub_ps(ix0,jx0);
625 dy00 = _mm_sub_ps(iy0,jy0);
626 dz00 = _mm_sub_ps(iz0,jz0);
627 dx01 = _mm_sub_ps(ix0,jx1);
628 dy01 = _mm_sub_ps(iy0,jy1);
629 dz01 = _mm_sub_ps(iz0,jz1);
630 dx02 = _mm_sub_ps(ix0,jx2);
631 dy02 = _mm_sub_ps(iy0,jy2);
632 dz02 = _mm_sub_ps(iz0,jz2);
633 dx10 = _mm_sub_ps(ix1,jx0);
634 dy10 = _mm_sub_ps(iy1,jy0);
635 dz10 = _mm_sub_ps(iz1,jz0);
636 dx11 = _mm_sub_ps(ix1,jx1);
637 dy11 = _mm_sub_ps(iy1,jy1);
638 dz11 = _mm_sub_ps(iz1,jz1);
639 dx12 = _mm_sub_ps(ix1,jx2);
640 dy12 = _mm_sub_ps(iy1,jy2);
641 dz12 = _mm_sub_ps(iz1,jz2);
642 dx20 = _mm_sub_ps(ix2,jx0);
643 dy20 = _mm_sub_ps(iy2,jy0);
644 dz20 = _mm_sub_ps(iz2,jz0);
645 dx21 = _mm_sub_ps(ix2,jx1);
646 dy21 = _mm_sub_ps(iy2,jy1);
647 dz21 = _mm_sub_ps(iz2,jz1);
648 dx22 = _mm_sub_ps(ix2,jx2);
649 dy22 = _mm_sub_ps(iy2,jy2);
650 dz22 = _mm_sub_ps(iz2,jz2);
651
652 /* Calculate squared distance and things based on it */
653 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
654 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
655 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
656 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
657 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
658 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
659 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
660 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
661 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
662
663 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
664 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
665 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
666 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
667 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
668 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
669 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
670 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
671 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
672
673 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
674 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
675 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
676 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
677 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
678 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
679 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
680 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
681 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
682
683 fjx0 = _mm_setzero_ps();
684 fjy0 = _mm_setzero_ps();
685 fjz0 = _mm_setzero_ps();
686 fjx1 = _mm_setzero_ps();
687 fjy1 = _mm_setzero_ps();
688 fjz1 = _mm_setzero_ps();
689 fjx2 = _mm_setzero_ps();
690 fjy2 = _mm_setzero_ps();
691 fjz2 = _mm_setzero_ps();
692
693 /**************************
694 * CALCULATE INTERACTIONS *
695 **************************/
696
697 r00 = _mm_mul_ps(rsq00,rinv00);
698 r00 = _mm_andnot_ps(dummy_mask,r00);
699
700 /* Calculate table index by multiplying r with table scale and truncate to integer */
701 rt = _mm_mul_ps(r00,vftabscale);
702 vfitab = _mm_cvttps_epi32(rt);
703 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
704 vfitab = _mm_slli_epi32(vfitab,3);
705
706 /* REACTION-FIELD ELECTROSTATICS */
707 velec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_add_ps(rinv00,_mm_mul_ps(krf,rsq00)),crf));
708 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
709
710 /* CUBIC SPLINE TABLE DISPERSION */
711 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
712 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
713 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
714 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
715 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
716 Heps = _mm_mul_ps(vfeps,H);
717 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
718 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
719 vvdw6 = _mm_mul_ps(c6_00,VV);
720 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
721 fvdw6 = _mm_mul_ps(c6_00,FF);
722
723 /* CUBIC SPLINE TABLE REPULSION */
724 vfitab = _mm_add_epi32(vfitab,ifour);
725 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
726 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
727 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
728 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
729 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
730 Heps = _mm_mul_ps(vfeps,H);
731 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
732 VV = _mm_add_ps(Y,_mm_mul_ps(vfeps,Fp));
733 vvdw12 = _mm_mul_ps(c12_00,VV);
734 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
735 fvdw12 = _mm_mul_ps(c12_00,FF);
736 vvdw = _mm_add_ps(vvdw12,vvdw6);
737 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
738
739 /* Update potential sum for this i atom from the interaction with this j atom. */
740 velec = _mm_andnot_ps(dummy_mask,velec);
741 velecsum = _mm_add_ps(velecsum,velec);
742 vvdw = _mm_andnot_ps(dummy_mask,vvdw);
743 vvdwsum = _mm_add_ps(vvdwsum,vvdw);
744
745 fscal = _mm_add_ps(felec,fvdw);
746
747 fscal = _mm_andnot_ps(dummy_mask,fscal);
748
749 /* Calculate temporary vectorial force */
750 tx = _mm_mul_ps(fscal,dx00);
751 ty = _mm_mul_ps(fscal,dy00);
752 tz = _mm_mul_ps(fscal,dz00);
753
754 /* Update vectorial force */
755 fix0 = _mm_add_ps(fix0,tx);
756 fiy0 = _mm_add_ps(fiy0,ty);
757 fiz0 = _mm_add_ps(fiz0,tz);
758
759 fjx0 = _mm_add_ps(fjx0,tx);
760 fjy0 = _mm_add_ps(fjy0,ty);
761 fjz0 = _mm_add_ps(fjz0,tz);
762
763 /**************************
764 * CALCULATE INTERACTIONS *
765 **************************/
766
767 /* REACTION-FIELD ELECTROSTATICS */
768 velec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_add_ps(rinv01,_mm_mul_ps(krf,rsq01)),crf));
769 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
770
771 /* Update potential sum for this i atom from the interaction with this j atom. */
772 velec = _mm_andnot_ps(dummy_mask,velec);
773 velecsum = _mm_add_ps(velecsum,velec);
774
775 fscal = felec;
776
777 fscal = _mm_andnot_ps(dummy_mask,fscal);
778
779 /* Calculate temporary vectorial force */
780 tx = _mm_mul_ps(fscal,dx01);
781 ty = _mm_mul_ps(fscal,dy01);
782 tz = _mm_mul_ps(fscal,dz01);
783
784 /* Update vectorial force */
785 fix0 = _mm_add_ps(fix0,tx);
786 fiy0 = _mm_add_ps(fiy0,ty);
787 fiz0 = _mm_add_ps(fiz0,tz);
788
789 fjx1 = _mm_add_ps(fjx1,tx);
790 fjy1 = _mm_add_ps(fjy1,ty);
791 fjz1 = _mm_add_ps(fjz1,tz);
792
793 /**************************
794 * CALCULATE INTERACTIONS *
795 **************************/
796
797 /* REACTION-FIELD ELECTROSTATICS */
798 velec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_add_ps(rinv02,_mm_mul_ps(krf,rsq02)),crf));
799 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
800
801 /* Update potential sum for this i atom from the interaction with this j atom. */
802 velec = _mm_andnot_ps(dummy_mask,velec);
803 velecsum = _mm_add_ps(velecsum,velec);
804
805 fscal = felec;
806
807 fscal = _mm_andnot_ps(dummy_mask,fscal);
808
809 /* Calculate temporary vectorial force */
810 tx = _mm_mul_ps(fscal,dx02);
811 ty = _mm_mul_ps(fscal,dy02);
812 tz = _mm_mul_ps(fscal,dz02);
813
814 /* Update vectorial force */
815 fix0 = _mm_add_ps(fix0,tx);
816 fiy0 = _mm_add_ps(fiy0,ty);
817 fiz0 = _mm_add_ps(fiz0,tz);
818
819 fjx2 = _mm_add_ps(fjx2,tx);
820 fjy2 = _mm_add_ps(fjy2,ty);
821 fjz2 = _mm_add_ps(fjz2,tz);
822
823 /**************************
824 * CALCULATE INTERACTIONS *
825 **************************/
826
827 /* REACTION-FIELD ELECTROSTATICS */
828 velec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_add_ps(rinv10,_mm_mul_ps(krf,rsq10)),crf));
829 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
830
831 /* Update potential sum for this i atom from the interaction with this j atom. */
832 velec = _mm_andnot_ps(dummy_mask,velec);
833 velecsum = _mm_add_ps(velecsum,velec);
834
835 fscal = felec;
836
837 fscal = _mm_andnot_ps(dummy_mask,fscal);
838
839 /* Calculate temporary vectorial force */
840 tx = _mm_mul_ps(fscal,dx10);
841 ty = _mm_mul_ps(fscal,dy10);
842 tz = _mm_mul_ps(fscal,dz10);
843
844 /* Update vectorial force */
845 fix1 = _mm_add_ps(fix1,tx);
846 fiy1 = _mm_add_ps(fiy1,ty);
847 fiz1 = _mm_add_ps(fiz1,tz);
848
849 fjx0 = _mm_add_ps(fjx0,tx);
850 fjy0 = _mm_add_ps(fjy0,ty);
851 fjz0 = _mm_add_ps(fjz0,tz);
852
853 /**************************
854 * CALCULATE INTERACTIONS *
855 **************************/
856
857 /* REACTION-FIELD ELECTROSTATICS */
858 velec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_add_ps(rinv11,_mm_mul_ps(krf,rsq11)),crf));
859 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
860
861 /* Update potential sum for this i atom from the interaction with this j atom. */
862 velec = _mm_andnot_ps(dummy_mask,velec);
863 velecsum = _mm_add_ps(velecsum,velec);
864
865 fscal = felec;
866
867 fscal = _mm_andnot_ps(dummy_mask,fscal);
868
869 /* Calculate temporary vectorial force */
870 tx = _mm_mul_ps(fscal,dx11);
871 ty = _mm_mul_ps(fscal,dy11);
872 tz = _mm_mul_ps(fscal,dz11);
873
874 /* Update vectorial force */
875 fix1 = _mm_add_ps(fix1,tx);
876 fiy1 = _mm_add_ps(fiy1,ty);
877 fiz1 = _mm_add_ps(fiz1,tz);
878
879 fjx1 = _mm_add_ps(fjx1,tx);
880 fjy1 = _mm_add_ps(fjy1,ty);
881 fjz1 = _mm_add_ps(fjz1,tz);
882
883 /**************************
884 * CALCULATE INTERACTIONS *
885 **************************/
886
887 /* REACTION-FIELD ELECTROSTATICS */
888 velec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_add_ps(rinv12,_mm_mul_ps(krf,rsq12)),crf));
889 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
890
891 /* Update potential sum for this i atom from the interaction with this j atom. */
892 velec = _mm_andnot_ps(dummy_mask,velec);
893 velecsum = _mm_add_ps(velecsum,velec);
894
895 fscal = felec;
896
897 fscal = _mm_andnot_ps(dummy_mask,fscal);
898
899 /* Calculate temporary vectorial force */
900 tx = _mm_mul_ps(fscal,dx12);
901 ty = _mm_mul_ps(fscal,dy12);
902 tz = _mm_mul_ps(fscal,dz12);
903
904 /* Update vectorial force */
905 fix1 = _mm_add_ps(fix1,tx);
906 fiy1 = _mm_add_ps(fiy1,ty);
907 fiz1 = _mm_add_ps(fiz1,tz);
908
909 fjx2 = _mm_add_ps(fjx2,tx);
910 fjy2 = _mm_add_ps(fjy2,ty);
911 fjz2 = _mm_add_ps(fjz2,tz);
912
913 /**************************
914 * CALCULATE INTERACTIONS *
915 **************************/
916
917 /* REACTION-FIELD ELECTROSTATICS */
918 velec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_add_ps(rinv20,_mm_mul_ps(krf,rsq20)),crf));
919 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
920
921 /* Update potential sum for this i atom from the interaction with this j atom. */
922 velec = _mm_andnot_ps(dummy_mask,velec);
923 velecsum = _mm_add_ps(velecsum,velec);
924
925 fscal = felec;
926
927 fscal = _mm_andnot_ps(dummy_mask,fscal);
928
929 /* Calculate temporary vectorial force */
930 tx = _mm_mul_ps(fscal,dx20);
931 ty = _mm_mul_ps(fscal,dy20);
932 tz = _mm_mul_ps(fscal,dz20);
933
934 /* Update vectorial force */
935 fix2 = _mm_add_ps(fix2,tx);
936 fiy2 = _mm_add_ps(fiy2,ty);
937 fiz2 = _mm_add_ps(fiz2,tz);
938
939 fjx0 = _mm_add_ps(fjx0,tx);
940 fjy0 = _mm_add_ps(fjy0,ty);
941 fjz0 = _mm_add_ps(fjz0,tz);
942
943 /**************************
944 * CALCULATE INTERACTIONS *
945 **************************/
946
947 /* REACTION-FIELD ELECTROSTATICS */
948 velec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_add_ps(rinv21,_mm_mul_ps(krf,rsq21)),crf));
949 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
950
951 /* Update potential sum for this i atom from the interaction with this j atom. */
952 velec = _mm_andnot_ps(dummy_mask,velec);
953 velecsum = _mm_add_ps(velecsum,velec);
954
955 fscal = felec;
956
957 fscal = _mm_andnot_ps(dummy_mask,fscal);
958
959 /* Calculate temporary vectorial force */
960 tx = _mm_mul_ps(fscal,dx21);
961 ty = _mm_mul_ps(fscal,dy21);
962 tz = _mm_mul_ps(fscal,dz21);
963
964 /* Update vectorial force */
965 fix2 = _mm_add_ps(fix2,tx);
966 fiy2 = _mm_add_ps(fiy2,ty);
967 fiz2 = _mm_add_ps(fiz2,tz);
968
969 fjx1 = _mm_add_ps(fjx1,tx);
970 fjy1 = _mm_add_ps(fjy1,ty);
971 fjz1 = _mm_add_ps(fjz1,tz);
972
973 /**************************
974 * CALCULATE INTERACTIONS *
975 **************************/
976
977 /* REACTION-FIELD ELECTROSTATICS */
978 velec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_add_ps(rinv22,_mm_mul_ps(krf,rsq22)),crf));
979 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
980
981 /* Update potential sum for this i atom from the interaction with this j atom. */
982 velec = _mm_andnot_ps(dummy_mask,velec);
983 velecsum = _mm_add_ps(velecsum,velec);
984
985 fscal = felec;
986
987 fscal = _mm_andnot_ps(dummy_mask,fscal);
988
989 /* Calculate temporary vectorial force */
990 tx = _mm_mul_ps(fscal,dx22);
991 ty = _mm_mul_ps(fscal,dy22);
992 tz = _mm_mul_ps(fscal,dz22);
993
994 /* Update vectorial force */
995 fix2 = _mm_add_ps(fix2,tx);
996 fiy2 = _mm_add_ps(fiy2,ty);
997 fiz2 = _mm_add_ps(fiz2,tz);
998
999 fjx2 = _mm_add_ps(fjx2,tx);
1000 fjy2 = _mm_add_ps(fjy2,ty);
1001 fjz2 = _mm_add_ps(fjz2,tz);
1002
1003 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1004 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1005 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1006 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1007
1008 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1009 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1010
1011 /* Inner loop uses 324 flops */
1012 }
1013
1014 /* End of innermost loop */
1015
1016 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1017 f+i_coord_offset,fshift+i_shift_offset);
1018
1019 ggid = gid[iidx];
1020 /* Update potential energies */
1021 gmx_mm_update_1pot_ps(velecsum,kernel_data->energygrp_elec+ggid);
1022 gmx_mm_update_1pot_ps(vvdwsum,kernel_data->energygrp_vdw+ggid);
1023
1024 /* Increment number of inner iterations */
1025 inneriter += j_index_end - j_index_start;
1026
1027 /* Outer loop uses 20 flops */
1028 }
1029
1030 /* Increment number of outer iterations */
1031 outeriter += nri;
1032
1033 /* Update outer/inner flops */
1034
1035 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_VF,outeriter*20 + inneriter*324)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_VF] += outeriter*20 +
inneriter*324
;
1036}
1037/*
1038 * Gromacs nonbonded kernel: nb_kernel_ElecRF_VdwCSTab_GeomW3W3_F_sse4_1_single
1039 * Electrostatics interaction: ReactionField
1040 * VdW interaction: CubicSplineTable
1041 * Geometry: Water3-Water3
1042 * Calculate force/pot: Force
1043 */
1044void
1045nb_kernel_ElecRF_VdwCSTab_GeomW3W3_F_sse4_1_single
1046 (t_nblist * gmx_restrict nlist,
1047 rvec * gmx_restrict xx,
1048 rvec * gmx_restrict ff,
1049 t_forcerec * gmx_restrict fr,
1050 t_mdatoms * gmx_restrict mdatoms,
1051 nb_kernel_data_t gmx_unused__attribute__ ((unused)) * gmx_restrict kernel_data,
1052 t_nrnb * gmx_restrict nrnb)
1053{
1054 /* Suffixes 0,1,2,3 refer to particle indices for waters in the inner or outer loop, or
1055 * just 0 for non-waters.
1056 * Suffixes A,B,C,D refer to j loop unrolling done with SSE, e.g. for the four different
1057 * jnr indices corresponding to data put in the four positions in the SIMD register.
1058 */
1059 int i_shift_offset,i_coord_offset,outeriter,inneriter;
1060 int j_index_start,j_index_end,jidx,nri,inr,ggid,iidx;
1061 int jnrA,jnrB,jnrC,jnrD;
1062 int jnrlistA,jnrlistB,jnrlistC,jnrlistD;
1063 int j_coord_offsetA,j_coord_offsetB,j_coord_offsetC,j_coord_offsetD;
1064 int *iinr,*jindex,*jjnr,*shiftidx,*gid;
1065 real rcutoff_scalar;
1066 real *shiftvec,*fshift,*x,*f;
1067 real *fjptrA,*fjptrB,*fjptrC,*fjptrD;
1068 real scratch[4*DIM3];
1069 __m128 tx,ty,tz,fscal,rcutoff,rcutoff2,jidxall;
1070 int vdwioffset0;
1071 __m128 ix0,iy0,iz0,fix0,fiy0,fiz0,iq0,isai0;
1072 int vdwioffset1;
1073 __m128 ix1,iy1,iz1,fix1,fiy1,fiz1,iq1,isai1;
1074 int vdwioffset2;
1075 __m128 ix2,iy2,iz2,fix2,fiy2,fiz2,iq2,isai2;
1076 int vdwjidx0A,vdwjidx0B,vdwjidx0C,vdwjidx0D;
1077 __m128 jx0,jy0,jz0,fjx0,fjy0,fjz0,jq0,isaj0;
1078 int vdwjidx1A,vdwjidx1B,vdwjidx1C,vdwjidx1D;
1079 __m128 jx1,jy1,jz1,fjx1,fjy1,fjz1,jq1,isaj1;
1080 int vdwjidx2A,vdwjidx2B,vdwjidx2C,vdwjidx2D;
1081 __m128 jx2,jy2,jz2,fjx2,fjy2,fjz2,jq2,isaj2;
1082 __m128 dx00,dy00,dz00,rsq00,rinv00,rinvsq00,r00,qq00,c6_00,c12_00;
1083 __m128 dx01,dy01,dz01,rsq01,rinv01,rinvsq01,r01,qq01,c6_01,c12_01;
1084 __m128 dx02,dy02,dz02,rsq02,rinv02,rinvsq02,r02,qq02,c6_02,c12_02;
1085 __m128 dx10,dy10,dz10,rsq10,rinv10,rinvsq10,r10,qq10,c6_10,c12_10;
1086 __m128 dx11,dy11,dz11,rsq11,rinv11,rinvsq11,r11,qq11,c6_11,c12_11;
1087 __m128 dx12,dy12,dz12,rsq12,rinv12,rinvsq12,r12,qq12,c6_12,c12_12;
1088 __m128 dx20,dy20,dz20,rsq20,rinv20,rinvsq20,r20,qq20,c6_20,c12_20;
1089 __m128 dx21,dy21,dz21,rsq21,rinv21,rinvsq21,r21,qq21,c6_21,c12_21;
1090 __m128 dx22,dy22,dz22,rsq22,rinv22,rinvsq22,r22,qq22,c6_22,c12_22;
1091 __m128 velec,felec,velecsum,facel,crf,krf,krf2;
1092 real *charge;
1093 int nvdwtype;
1094 __m128 rinvsix,rvdw,vvdw,vvdw6,vvdw12,fvdw,fvdw6,fvdw12,vvdwsum,sh_vdw_invrcut6;
1095 int *vdwtype;
1096 real *vdwparam;
1097 __m128 one_sixth = _mm_set1_ps(1.0/6.0);
1098 __m128 one_twelfth = _mm_set1_ps(1.0/12.0);
1099 __m128i vfitab;
1100 __m128i ifour = _mm_set1_epi32(4);
1101 __m128 rt,vfeps,vftabscale,Y,F,G,H,Heps,Fp,VV,FF;
1102 real *vftab;
1103 __m128 dummy_mask,cutoff_mask;
1104 __m128 signbit = _mm_castsi128_ps( _mm_set1_epi32(0x80000000) );
1105 __m128 one = _mm_set1_ps(1.0);
1106 __m128 two = _mm_set1_ps(2.0);
Value stored to 'two' during its initialization is never read
1107 x = xx[0];
1108 f = ff[0];
1109
1110 nri = nlist->nri;
1111 iinr = nlist->iinr;
1112 jindex = nlist->jindex;
1113 jjnr = nlist->jjnr;
1114 shiftidx = nlist->shift;
1115 gid = nlist->gid;
1116 shiftvec = fr->shift_vec[0];
1117 fshift = fr->fshift[0];
1118 facel = _mm_set1_ps(fr->epsfac);
1119 charge = mdatoms->chargeA;
1120 krf = _mm_set1_ps(fr->ic->k_rf);
1121 krf2 = _mm_set1_ps(fr->ic->k_rf*2.0);
1122 crf = _mm_set1_ps(fr->ic->c_rf);
1123 nvdwtype = fr->ntype;
1124 vdwparam = fr->nbfp;
1125 vdwtype = mdatoms->typeA;
1126
1127 vftab = kernel_data->table_vdw->data;
1128 vftabscale = _mm_set1_ps(kernel_data->table_vdw->scale);
1129
1130 /* Setup water-specific parameters */
1131 inr = nlist->iinr[0];
1132 iq0 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+0]));
1133 iq1 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+1]));
1134 iq2 = _mm_mul_ps(facel,_mm_set1_ps(charge[inr+2]));
1135 vdwioffset0 = 2*nvdwtype*vdwtype[inr+0];
1136
1137 jq0 = _mm_set1_ps(charge[inr+0]);
1138 jq1 = _mm_set1_ps(charge[inr+1]);
1139 jq2 = _mm_set1_ps(charge[inr+2]);
1140 vdwjidx0A = 2*vdwtype[inr+0];
1141 qq00 = _mm_mul_ps(iq0,jq0);
1142 c6_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A]);
1143 c12_00 = _mm_set1_ps(vdwparam[vdwioffset0+vdwjidx0A+1]);
1144 qq01 = _mm_mul_ps(iq0,jq1);
1145 qq02 = _mm_mul_ps(iq0,jq2);
1146 qq10 = _mm_mul_ps(iq1,jq0);
1147 qq11 = _mm_mul_ps(iq1,jq1);
1148 qq12 = _mm_mul_ps(iq1,jq2);
1149 qq20 = _mm_mul_ps(iq2,jq0);
1150 qq21 = _mm_mul_ps(iq2,jq1);
1151 qq22 = _mm_mul_ps(iq2,jq2);
1152
1153 /* Avoid stupid compiler warnings */
1154 jnrA = jnrB = jnrC = jnrD = 0;
1155 j_coord_offsetA = 0;
1156 j_coord_offsetB = 0;
1157 j_coord_offsetC = 0;
1158 j_coord_offsetD = 0;
1159
1160 outeriter = 0;
1161 inneriter = 0;
1162
1163 for(iidx=0;iidx<4*DIM3;iidx++)
1164 {
1165 scratch[iidx] = 0.0;
1166 }
1167
1168 /* Start outer loop over neighborlists */
1169 for(iidx=0; iidx<nri; iidx++)
1170 {
1171 /* Load shift vector for this list */
1172 i_shift_offset = DIM3*shiftidx[iidx];
1173
1174 /* Load limits for loop over neighbors */
1175 j_index_start = jindex[iidx];
1176 j_index_end = jindex[iidx+1];
1177
1178 /* Get outer coordinate index */
1179 inr = iinr[iidx];
1180 i_coord_offset = DIM3*inr;
1181
1182 /* Load i particle coords and add shift vector */
1183 gmx_mm_load_shift_and_3rvec_broadcast_ps(shiftvec+i_shift_offset,x+i_coord_offset,
1184 &ix0,&iy0,&iz0,&ix1,&iy1,&iz1,&ix2,&iy2,&iz2);
1185
1186 fix0 = _mm_setzero_ps();
1187 fiy0 = _mm_setzero_ps();
1188 fiz0 = _mm_setzero_ps();
1189 fix1 = _mm_setzero_ps();
1190 fiy1 = _mm_setzero_ps();
1191 fiz1 = _mm_setzero_ps();
1192 fix2 = _mm_setzero_ps();
1193 fiy2 = _mm_setzero_ps();
1194 fiz2 = _mm_setzero_ps();
1195
1196 /* Start inner kernel loop */
1197 for(jidx=j_index_start; jidx<j_index_end && jjnr[jidx+3]>=0; jidx+=4)
1198 {
1199
1200 /* Get j neighbor index, and coordinate index */
1201 jnrA = jjnr[jidx];
1202 jnrB = jjnr[jidx+1];
1203 jnrC = jjnr[jidx+2];
1204 jnrD = jjnr[jidx+3];
1205 j_coord_offsetA = DIM3*jnrA;
1206 j_coord_offsetB = DIM3*jnrB;
1207 j_coord_offsetC = DIM3*jnrC;
1208 j_coord_offsetD = DIM3*jnrD;
1209
1210 /* load j atom coordinates */
1211 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1212 x+j_coord_offsetC,x+j_coord_offsetD,
1213 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1214
1215 /* Calculate displacement vector */
1216 dx00 = _mm_sub_ps(ix0,jx0);
1217 dy00 = _mm_sub_ps(iy0,jy0);
1218 dz00 = _mm_sub_ps(iz0,jz0);
1219 dx01 = _mm_sub_ps(ix0,jx1);
1220 dy01 = _mm_sub_ps(iy0,jy1);
1221 dz01 = _mm_sub_ps(iz0,jz1);
1222 dx02 = _mm_sub_ps(ix0,jx2);
1223 dy02 = _mm_sub_ps(iy0,jy2);
1224 dz02 = _mm_sub_ps(iz0,jz2);
1225 dx10 = _mm_sub_ps(ix1,jx0);
1226 dy10 = _mm_sub_ps(iy1,jy0);
1227 dz10 = _mm_sub_ps(iz1,jz0);
1228 dx11 = _mm_sub_ps(ix1,jx1);
1229 dy11 = _mm_sub_ps(iy1,jy1);
1230 dz11 = _mm_sub_ps(iz1,jz1);
1231 dx12 = _mm_sub_ps(ix1,jx2);
1232 dy12 = _mm_sub_ps(iy1,jy2);
1233 dz12 = _mm_sub_ps(iz1,jz2);
1234 dx20 = _mm_sub_ps(ix2,jx0);
1235 dy20 = _mm_sub_ps(iy2,jy0);
1236 dz20 = _mm_sub_ps(iz2,jz0);
1237 dx21 = _mm_sub_ps(ix2,jx1);
1238 dy21 = _mm_sub_ps(iy2,jy1);
1239 dz21 = _mm_sub_ps(iz2,jz1);
1240 dx22 = _mm_sub_ps(ix2,jx2);
1241 dy22 = _mm_sub_ps(iy2,jy2);
1242 dz22 = _mm_sub_ps(iz2,jz2);
1243
1244 /* Calculate squared distance and things based on it */
1245 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1246 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1247 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1248 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1249 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1250 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1251 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1252 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1253 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1254
1255 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1256 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
1257 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
1258 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
1259 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1260 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1261 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
1262 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1263 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1264
1265 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1266 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1267 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1268 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1269 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1270 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1271 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1272 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1273 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1274
1275 fjx0 = _mm_setzero_ps();
1276 fjy0 = _mm_setzero_ps();
1277 fjz0 = _mm_setzero_ps();
1278 fjx1 = _mm_setzero_ps();
1279 fjy1 = _mm_setzero_ps();
1280 fjz1 = _mm_setzero_ps();
1281 fjx2 = _mm_setzero_ps();
1282 fjy2 = _mm_setzero_ps();
1283 fjz2 = _mm_setzero_ps();
1284
1285 /**************************
1286 * CALCULATE INTERACTIONS *
1287 **************************/
1288
1289 r00 = _mm_mul_ps(rsq00,rinv00);
1290
1291 /* Calculate table index by multiplying r with table scale and truncate to integer */
1292 rt = _mm_mul_ps(r00,vftabscale);
1293 vfitab = _mm_cvttps_epi32(rt);
1294 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
1295 vfitab = _mm_slli_epi32(vfitab,3);
1296
1297 /* REACTION-FIELD ELECTROSTATICS */
1298 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
1299
1300 /* CUBIC SPLINE TABLE DISPERSION */
1301 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1302 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1303 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1304 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1305 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
1306 Heps = _mm_mul_ps(vfeps,H);
1307 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1308 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1309 fvdw6 = _mm_mul_ps(c6_00,FF);
1310
1311 /* CUBIC SPLINE TABLE REPULSION */
1312 vfitab = _mm_add_epi32(vfitab,ifour);
1313 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1314 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1315 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1316 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1317 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
1318 Heps = _mm_mul_ps(vfeps,H);
1319 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1320 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1321 fvdw12 = _mm_mul_ps(c12_00,FF);
1322 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
1323
1324 fscal = _mm_add_ps(felec,fvdw);
1325
1326 /* Calculate temporary vectorial force */
1327 tx = _mm_mul_ps(fscal,dx00);
1328 ty = _mm_mul_ps(fscal,dy00);
1329 tz = _mm_mul_ps(fscal,dz00);
1330
1331 /* Update vectorial force */
1332 fix0 = _mm_add_ps(fix0,tx);
1333 fiy0 = _mm_add_ps(fiy0,ty);
1334 fiz0 = _mm_add_ps(fiz0,tz);
1335
1336 fjx0 = _mm_add_ps(fjx0,tx);
1337 fjy0 = _mm_add_ps(fjy0,ty);
1338 fjz0 = _mm_add_ps(fjz0,tz);
1339
1340 /**************************
1341 * CALCULATE INTERACTIONS *
1342 **************************/
1343
1344 /* REACTION-FIELD ELECTROSTATICS */
1345 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
1346
1347 fscal = felec;
1348
1349 /* Calculate temporary vectorial force */
1350 tx = _mm_mul_ps(fscal,dx01);
1351 ty = _mm_mul_ps(fscal,dy01);
1352 tz = _mm_mul_ps(fscal,dz01);
1353
1354 /* Update vectorial force */
1355 fix0 = _mm_add_ps(fix0,tx);
1356 fiy0 = _mm_add_ps(fiy0,ty);
1357 fiz0 = _mm_add_ps(fiz0,tz);
1358
1359 fjx1 = _mm_add_ps(fjx1,tx);
1360 fjy1 = _mm_add_ps(fjy1,ty);
1361 fjz1 = _mm_add_ps(fjz1,tz);
1362
1363 /**************************
1364 * CALCULATE INTERACTIONS *
1365 **************************/
1366
1367 /* REACTION-FIELD ELECTROSTATICS */
1368 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
1369
1370 fscal = felec;
1371
1372 /* Calculate temporary vectorial force */
1373 tx = _mm_mul_ps(fscal,dx02);
1374 ty = _mm_mul_ps(fscal,dy02);
1375 tz = _mm_mul_ps(fscal,dz02);
1376
1377 /* Update vectorial force */
1378 fix0 = _mm_add_ps(fix0,tx);
1379 fiy0 = _mm_add_ps(fiy0,ty);
1380 fiz0 = _mm_add_ps(fiz0,tz);
1381
1382 fjx2 = _mm_add_ps(fjx2,tx);
1383 fjy2 = _mm_add_ps(fjy2,ty);
1384 fjz2 = _mm_add_ps(fjz2,tz);
1385
1386 /**************************
1387 * CALCULATE INTERACTIONS *
1388 **************************/
1389
1390 /* REACTION-FIELD ELECTROSTATICS */
1391 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
1392
1393 fscal = felec;
1394
1395 /* Calculate temporary vectorial force */
1396 tx = _mm_mul_ps(fscal,dx10);
1397 ty = _mm_mul_ps(fscal,dy10);
1398 tz = _mm_mul_ps(fscal,dz10);
1399
1400 /* Update vectorial force */
1401 fix1 = _mm_add_ps(fix1,tx);
1402 fiy1 = _mm_add_ps(fiy1,ty);
1403 fiz1 = _mm_add_ps(fiz1,tz);
1404
1405 fjx0 = _mm_add_ps(fjx0,tx);
1406 fjy0 = _mm_add_ps(fjy0,ty);
1407 fjz0 = _mm_add_ps(fjz0,tz);
1408
1409 /**************************
1410 * CALCULATE INTERACTIONS *
1411 **************************/
1412
1413 /* REACTION-FIELD ELECTROSTATICS */
1414 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1415
1416 fscal = felec;
1417
1418 /* Calculate temporary vectorial force */
1419 tx = _mm_mul_ps(fscal,dx11);
1420 ty = _mm_mul_ps(fscal,dy11);
1421 tz = _mm_mul_ps(fscal,dz11);
1422
1423 /* Update vectorial force */
1424 fix1 = _mm_add_ps(fix1,tx);
1425 fiy1 = _mm_add_ps(fiy1,ty);
1426 fiz1 = _mm_add_ps(fiz1,tz);
1427
1428 fjx1 = _mm_add_ps(fjx1,tx);
1429 fjy1 = _mm_add_ps(fjy1,ty);
1430 fjz1 = _mm_add_ps(fjz1,tz);
1431
1432 /**************************
1433 * CALCULATE INTERACTIONS *
1434 **************************/
1435
1436 /* REACTION-FIELD ELECTROSTATICS */
1437 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1438
1439 fscal = felec;
1440
1441 /* Calculate temporary vectorial force */
1442 tx = _mm_mul_ps(fscal,dx12);
1443 ty = _mm_mul_ps(fscal,dy12);
1444 tz = _mm_mul_ps(fscal,dz12);
1445
1446 /* Update vectorial force */
1447 fix1 = _mm_add_ps(fix1,tx);
1448 fiy1 = _mm_add_ps(fiy1,ty);
1449 fiz1 = _mm_add_ps(fiz1,tz);
1450
1451 fjx2 = _mm_add_ps(fjx2,tx);
1452 fjy2 = _mm_add_ps(fjy2,ty);
1453 fjz2 = _mm_add_ps(fjz2,tz);
1454
1455 /**************************
1456 * CALCULATE INTERACTIONS *
1457 **************************/
1458
1459 /* REACTION-FIELD ELECTROSTATICS */
1460 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
1461
1462 fscal = felec;
1463
1464 /* Calculate temporary vectorial force */
1465 tx = _mm_mul_ps(fscal,dx20);
1466 ty = _mm_mul_ps(fscal,dy20);
1467 tz = _mm_mul_ps(fscal,dz20);
1468
1469 /* Update vectorial force */
1470 fix2 = _mm_add_ps(fix2,tx);
1471 fiy2 = _mm_add_ps(fiy2,ty);
1472 fiz2 = _mm_add_ps(fiz2,tz);
1473
1474 fjx0 = _mm_add_ps(fjx0,tx);
1475 fjy0 = _mm_add_ps(fjy0,ty);
1476 fjz0 = _mm_add_ps(fjz0,tz);
1477
1478 /**************************
1479 * CALCULATE INTERACTIONS *
1480 **************************/
1481
1482 /* REACTION-FIELD ELECTROSTATICS */
1483 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1484
1485 fscal = felec;
1486
1487 /* Calculate temporary vectorial force */
1488 tx = _mm_mul_ps(fscal,dx21);
1489 ty = _mm_mul_ps(fscal,dy21);
1490 tz = _mm_mul_ps(fscal,dz21);
1491
1492 /* Update vectorial force */
1493 fix2 = _mm_add_ps(fix2,tx);
1494 fiy2 = _mm_add_ps(fiy2,ty);
1495 fiz2 = _mm_add_ps(fiz2,tz);
1496
1497 fjx1 = _mm_add_ps(fjx1,tx);
1498 fjy1 = _mm_add_ps(fjy1,ty);
1499 fjz1 = _mm_add_ps(fjz1,tz);
1500
1501 /**************************
1502 * CALCULATE INTERACTIONS *
1503 **************************/
1504
1505 /* REACTION-FIELD ELECTROSTATICS */
1506 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1507
1508 fscal = felec;
1509
1510 /* Calculate temporary vectorial force */
1511 tx = _mm_mul_ps(fscal,dx22);
1512 ty = _mm_mul_ps(fscal,dy22);
1513 tz = _mm_mul_ps(fscal,dz22);
1514
1515 /* Update vectorial force */
1516 fix2 = _mm_add_ps(fix2,tx);
1517 fiy2 = _mm_add_ps(fiy2,ty);
1518 fiz2 = _mm_add_ps(fiz2,tz);
1519
1520 fjx2 = _mm_add_ps(fjx2,tx);
1521 fjy2 = _mm_add_ps(fjy2,ty);
1522 fjz2 = _mm_add_ps(fjz2,tz);
1523
1524 fjptrA = f+j_coord_offsetA;
1525 fjptrB = f+j_coord_offsetB;
1526 fjptrC = f+j_coord_offsetC;
1527 fjptrD = f+j_coord_offsetD;
1528
1529 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1530 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1531
1532 /* Inner loop uses 270 flops */
1533 }
1534
1535 if(jidx<j_index_end)
1536 {
1537
1538 /* Get j neighbor index, and coordinate index */
1539 jnrlistA = jjnr[jidx];
1540 jnrlistB = jjnr[jidx+1];
1541 jnrlistC = jjnr[jidx+2];
1542 jnrlistD = jjnr[jidx+3];
1543 /* Sign of each element will be negative for non-real atoms.
1544 * This mask will be 0xFFFFFFFF for dummy entries and 0x0 for real ones,
1545 * so use it as val = _mm_andnot_ps(mask,val) to clear dummy entries.
1546 */
1547 dummy_mask = gmx_mm_castsi128_ps_mm_castsi128_ps(_mm_cmplt_epi32(_mm_loadu_si128((const __m128i *)(jjnr+jidx)),_mm_setzero_si128()));
1548 jnrA = (jnrlistA>=0) ? jnrlistA : 0;
1549 jnrB = (jnrlistB>=0) ? jnrlistB : 0;
1550 jnrC = (jnrlistC>=0) ? jnrlistC : 0;
1551 jnrD = (jnrlistD>=0) ? jnrlistD : 0;
1552 j_coord_offsetA = DIM3*jnrA;
1553 j_coord_offsetB = DIM3*jnrB;
1554 j_coord_offsetC = DIM3*jnrC;
1555 j_coord_offsetD = DIM3*jnrD;
1556
1557 /* load j atom coordinates */
1558 gmx_mm_load_3rvec_4ptr_swizzle_ps(x+j_coord_offsetA,x+j_coord_offsetB,
1559 x+j_coord_offsetC,x+j_coord_offsetD,
1560 &jx0,&jy0,&jz0,&jx1,&jy1,&jz1,&jx2,&jy2,&jz2);
1561
1562 /* Calculate displacement vector */
1563 dx00 = _mm_sub_ps(ix0,jx0);
1564 dy00 = _mm_sub_ps(iy0,jy0);
1565 dz00 = _mm_sub_ps(iz0,jz0);
1566 dx01 = _mm_sub_ps(ix0,jx1);
1567 dy01 = _mm_sub_ps(iy0,jy1);
1568 dz01 = _mm_sub_ps(iz0,jz1);
1569 dx02 = _mm_sub_ps(ix0,jx2);
1570 dy02 = _mm_sub_ps(iy0,jy2);
1571 dz02 = _mm_sub_ps(iz0,jz2);
1572 dx10 = _mm_sub_ps(ix1,jx0);
1573 dy10 = _mm_sub_ps(iy1,jy0);
1574 dz10 = _mm_sub_ps(iz1,jz0);
1575 dx11 = _mm_sub_ps(ix1,jx1);
1576 dy11 = _mm_sub_ps(iy1,jy1);
1577 dz11 = _mm_sub_ps(iz1,jz1);
1578 dx12 = _mm_sub_ps(ix1,jx2);
1579 dy12 = _mm_sub_ps(iy1,jy2);
1580 dz12 = _mm_sub_ps(iz1,jz2);
1581 dx20 = _mm_sub_ps(ix2,jx0);
1582 dy20 = _mm_sub_ps(iy2,jy0);
1583 dz20 = _mm_sub_ps(iz2,jz0);
1584 dx21 = _mm_sub_ps(ix2,jx1);
1585 dy21 = _mm_sub_ps(iy2,jy1);
1586 dz21 = _mm_sub_ps(iz2,jz1);
1587 dx22 = _mm_sub_ps(ix2,jx2);
1588 dy22 = _mm_sub_ps(iy2,jy2);
1589 dz22 = _mm_sub_ps(iz2,jz2);
1590
1591 /* Calculate squared distance and things based on it */
1592 rsq00 = gmx_mm_calc_rsq_ps(dx00,dy00,dz00);
1593 rsq01 = gmx_mm_calc_rsq_ps(dx01,dy01,dz01);
1594 rsq02 = gmx_mm_calc_rsq_ps(dx02,dy02,dz02);
1595 rsq10 = gmx_mm_calc_rsq_ps(dx10,dy10,dz10);
1596 rsq11 = gmx_mm_calc_rsq_ps(dx11,dy11,dz11);
1597 rsq12 = gmx_mm_calc_rsq_ps(dx12,dy12,dz12);
1598 rsq20 = gmx_mm_calc_rsq_ps(dx20,dy20,dz20);
1599 rsq21 = gmx_mm_calc_rsq_ps(dx21,dy21,dz21);
1600 rsq22 = gmx_mm_calc_rsq_ps(dx22,dy22,dz22);
1601
1602 rinv00 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq00);
1603 rinv01 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq01);
1604 rinv02 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq02);
1605 rinv10 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq10);
1606 rinv11 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq11);
1607 rinv12 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq12);
1608 rinv20 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq20);
1609 rinv21 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq21);
1610 rinv22 = gmx_mm_invsqrt_psgmx_simd_invsqrt_f(rsq22);
1611
1612 rinvsq00 = _mm_mul_ps(rinv00,rinv00);
1613 rinvsq01 = _mm_mul_ps(rinv01,rinv01);
1614 rinvsq02 = _mm_mul_ps(rinv02,rinv02);
1615 rinvsq10 = _mm_mul_ps(rinv10,rinv10);
1616 rinvsq11 = _mm_mul_ps(rinv11,rinv11);
1617 rinvsq12 = _mm_mul_ps(rinv12,rinv12);
1618 rinvsq20 = _mm_mul_ps(rinv20,rinv20);
1619 rinvsq21 = _mm_mul_ps(rinv21,rinv21);
1620 rinvsq22 = _mm_mul_ps(rinv22,rinv22);
1621
1622 fjx0 = _mm_setzero_ps();
1623 fjy0 = _mm_setzero_ps();
1624 fjz0 = _mm_setzero_ps();
1625 fjx1 = _mm_setzero_ps();
1626 fjy1 = _mm_setzero_ps();
1627 fjz1 = _mm_setzero_ps();
1628 fjx2 = _mm_setzero_ps();
1629 fjy2 = _mm_setzero_ps();
1630 fjz2 = _mm_setzero_ps();
1631
1632 /**************************
1633 * CALCULATE INTERACTIONS *
1634 **************************/
1635
1636 r00 = _mm_mul_ps(rsq00,rinv00);
1637 r00 = _mm_andnot_ps(dummy_mask,r00);
1638
1639 /* Calculate table index by multiplying r with table scale and truncate to integer */
1640 rt = _mm_mul_ps(r00,vftabscale);
1641 vfitab = _mm_cvttps_epi32(rt);
1642 vfeps = _mm_sub_ps(rt,_mm_round_ps(rt, _MM_FROUND_FLOOR)__extension__ ({ __m128 __X = (rt); (__m128) __builtin_ia32_roundps
((__v4sf)__X, ((0x00 | 0x01))); })
);
1643 vfitab = _mm_slli_epi32(vfitab,3);
1644
1645 /* REACTION-FIELD ELECTROSTATICS */
1646 felec = _mm_mul_ps(qq00,_mm_sub_ps(_mm_mul_ps(rinv00,rinvsq00),krf2));
1647
1648 /* CUBIC SPLINE TABLE DISPERSION */
1649 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1650 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1651 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1652 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1653 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
1654 Heps = _mm_mul_ps(vfeps,H);
1655 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1656 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1657 fvdw6 = _mm_mul_ps(c6_00,FF);
1658
1659 /* CUBIC SPLINE TABLE REPULSION */
1660 vfitab = _mm_add_epi32(vfitab,ifour);
1661 Y = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,0)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(0) &
3];}))
);
1662 F = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,1)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(1) &
3];}))
);
1663 G = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,2)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(2) &
3];}))
);
1664 H = _mm_load_ps( vftab + gmx_mm_extract_epi32(vfitab,3)(__extension__ ({ __v4si __a = (__v4si)(vfitab); __a[(3) &
3];}))
);
1665 _MM_TRANSPOSE4_PS(Y,F,G,H)do { __m128 tmp3, tmp2, tmp1, tmp0; tmp0 = _mm_unpacklo_ps((Y
), (F)); tmp2 = _mm_unpacklo_ps((G), (H)); tmp1 = _mm_unpackhi_ps
((Y), (F)); tmp3 = _mm_unpackhi_ps((G), (H)); (Y) = _mm_movelh_ps
(tmp0, tmp2); (F) = _mm_movehl_ps(tmp2, tmp0); (G) = _mm_movelh_ps
(tmp1, tmp3); (H) = _mm_movehl_ps(tmp3, tmp1); } while (0)
;
1666 Heps = _mm_mul_ps(vfeps,H);
1667 Fp = _mm_add_ps(F,_mm_mul_ps(vfeps,_mm_add_ps(G,Heps)));
1668 FF = _mm_add_ps(Fp,_mm_mul_ps(vfeps,_mm_add_ps(G,_mm_add_ps(Heps,Heps))));
1669 fvdw12 = _mm_mul_ps(c12_00,FF);
1670 fvdw = _mm_xor_ps(signbit,_mm_mul_ps(_mm_add_ps(fvdw6,fvdw12),_mm_mul_ps(vftabscale,rinv00)));
1671
1672 fscal = _mm_add_ps(felec,fvdw);
1673
1674 fscal = _mm_andnot_ps(dummy_mask,fscal);
1675
1676 /* Calculate temporary vectorial force */
1677 tx = _mm_mul_ps(fscal,dx00);
1678 ty = _mm_mul_ps(fscal,dy00);
1679 tz = _mm_mul_ps(fscal,dz00);
1680
1681 /* Update vectorial force */
1682 fix0 = _mm_add_ps(fix0,tx);
1683 fiy0 = _mm_add_ps(fiy0,ty);
1684 fiz0 = _mm_add_ps(fiz0,tz);
1685
1686 fjx0 = _mm_add_ps(fjx0,tx);
1687 fjy0 = _mm_add_ps(fjy0,ty);
1688 fjz0 = _mm_add_ps(fjz0,tz);
1689
1690 /**************************
1691 * CALCULATE INTERACTIONS *
1692 **************************/
1693
1694 /* REACTION-FIELD ELECTROSTATICS */
1695 felec = _mm_mul_ps(qq01,_mm_sub_ps(_mm_mul_ps(rinv01,rinvsq01),krf2));
1696
1697 fscal = felec;
1698
1699 fscal = _mm_andnot_ps(dummy_mask,fscal);
1700
1701 /* Calculate temporary vectorial force */
1702 tx = _mm_mul_ps(fscal,dx01);
1703 ty = _mm_mul_ps(fscal,dy01);
1704 tz = _mm_mul_ps(fscal,dz01);
1705
1706 /* Update vectorial force */
1707 fix0 = _mm_add_ps(fix0,tx);
1708 fiy0 = _mm_add_ps(fiy0,ty);
1709 fiz0 = _mm_add_ps(fiz0,tz);
1710
1711 fjx1 = _mm_add_ps(fjx1,tx);
1712 fjy1 = _mm_add_ps(fjy1,ty);
1713 fjz1 = _mm_add_ps(fjz1,tz);
1714
1715 /**************************
1716 * CALCULATE INTERACTIONS *
1717 **************************/
1718
1719 /* REACTION-FIELD ELECTROSTATICS */
1720 felec = _mm_mul_ps(qq02,_mm_sub_ps(_mm_mul_ps(rinv02,rinvsq02),krf2));
1721
1722 fscal = felec;
1723
1724 fscal = _mm_andnot_ps(dummy_mask,fscal);
1725
1726 /* Calculate temporary vectorial force */
1727 tx = _mm_mul_ps(fscal,dx02);
1728 ty = _mm_mul_ps(fscal,dy02);
1729 tz = _mm_mul_ps(fscal,dz02);
1730
1731 /* Update vectorial force */
1732 fix0 = _mm_add_ps(fix0,tx);
1733 fiy0 = _mm_add_ps(fiy0,ty);
1734 fiz0 = _mm_add_ps(fiz0,tz);
1735
1736 fjx2 = _mm_add_ps(fjx2,tx);
1737 fjy2 = _mm_add_ps(fjy2,ty);
1738 fjz2 = _mm_add_ps(fjz2,tz);
1739
1740 /**************************
1741 * CALCULATE INTERACTIONS *
1742 **************************/
1743
1744 /* REACTION-FIELD ELECTROSTATICS */
1745 felec = _mm_mul_ps(qq10,_mm_sub_ps(_mm_mul_ps(rinv10,rinvsq10),krf2));
1746
1747 fscal = felec;
1748
1749 fscal = _mm_andnot_ps(dummy_mask,fscal);
1750
1751 /* Calculate temporary vectorial force */
1752 tx = _mm_mul_ps(fscal,dx10);
1753 ty = _mm_mul_ps(fscal,dy10);
1754 tz = _mm_mul_ps(fscal,dz10);
1755
1756 /* Update vectorial force */
1757 fix1 = _mm_add_ps(fix1,tx);
1758 fiy1 = _mm_add_ps(fiy1,ty);
1759 fiz1 = _mm_add_ps(fiz1,tz);
1760
1761 fjx0 = _mm_add_ps(fjx0,tx);
1762 fjy0 = _mm_add_ps(fjy0,ty);
1763 fjz0 = _mm_add_ps(fjz0,tz);
1764
1765 /**************************
1766 * CALCULATE INTERACTIONS *
1767 **************************/
1768
1769 /* REACTION-FIELD ELECTROSTATICS */
1770 felec = _mm_mul_ps(qq11,_mm_sub_ps(_mm_mul_ps(rinv11,rinvsq11),krf2));
1771
1772 fscal = felec;
1773
1774 fscal = _mm_andnot_ps(dummy_mask,fscal);
1775
1776 /* Calculate temporary vectorial force */
1777 tx = _mm_mul_ps(fscal,dx11);
1778 ty = _mm_mul_ps(fscal,dy11);
1779 tz = _mm_mul_ps(fscal,dz11);
1780
1781 /* Update vectorial force */
1782 fix1 = _mm_add_ps(fix1,tx);
1783 fiy1 = _mm_add_ps(fiy1,ty);
1784 fiz1 = _mm_add_ps(fiz1,tz);
1785
1786 fjx1 = _mm_add_ps(fjx1,tx);
1787 fjy1 = _mm_add_ps(fjy1,ty);
1788 fjz1 = _mm_add_ps(fjz1,tz);
1789
1790 /**************************
1791 * CALCULATE INTERACTIONS *
1792 **************************/
1793
1794 /* REACTION-FIELD ELECTROSTATICS */
1795 felec = _mm_mul_ps(qq12,_mm_sub_ps(_mm_mul_ps(rinv12,rinvsq12),krf2));
1796
1797 fscal = felec;
1798
1799 fscal = _mm_andnot_ps(dummy_mask,fscal);
1800
1801 /* Calculate temporary vectorial force */
1802 tx = _mm_mul_ps(fscal,dx12);
1803 ty = _mm_mul_ps(fscal,dy12);
1804 tz = _mm_mul_ps(fscal,dz12);
1805
1806 /* Update vectorial force */
1807 fix1 = _mm_add_ps(fix1,tx);
1808 fiy1 = _mm_add_ps(fiy1,ty);
1809 fiz1 = _mm_add_ps(fiz1,tz);
1810
1811 fjx2 = _mm_add_ps(fjx2,tx);
1812 fjy2 = _mm_add_ps(fjy2,ty);
1813 fjz2 = _mm_add_ps(fjz2,tz);
1814
1815 /**************************
1816 * CALCULATE INTERACTIONS *
1817 **************************/
1818
1819 /* REACTION-FIELD ELECTROSTATICS */
1820 felec = _mm_mul_ps(qq20,_mm_sub_ps(_mm_mul_ps(rinv20,rinvsq20),krf2));
1821
1822 fscal = felec;
1823
1824 fscal = _mm_andnot_ps(dummy_mask,fscal);
1825
1826 /* Calculate temporary vectorial force */
1827 tx = _mm_mul_ps(fscal,dx20);
1828 ty = _mm_mul_ps(fscal,dy20);
1829 tz = _mm_mul_ps(fscal,dz20);
1830
1831 /* Update vectorial force */
1832 fix2 = _mm_add_ps(fix2,tx);
1833 fiy2 = _mm_add_ps(fiy2,ty);
1834 fiz2 = _mm_add_ps(fiz2,tz);
1835
1836 fjx0 = _mm_add_ps(fjx0,tx);
1837 fjy0 = _mm_add_ps(fjy0,ty);
1838 fjz0 = _mm_add_ps(fjz0,tz);
1839
1840 /**************************
1841 * CALCULATE INTERACTIONS *
1842 **************************/
1843
1844 /* REACTION-FIELD ELECTROSTATICS */
1845 felec = _mm_mul_ps(qq21,_mm_sub_ps(_mm_mul_ps(rinv21,rinvsq21),krf2));
1846
1847 fscal = felec;
1848
1849 fscal = _mm_andnot_ps(dummy_mask,fscal);
1850
1851 /* Calculate temporary vectorial force */
1852 tx = _mm_mul_ps(fscal,dx21);
1853 ty = _mm_mul_ps(fscal,dy21);
1854 tz = _mm_mul_ps(fscal,dz21);
1855
1856 /* Update vectorial force */
1857 fix2 = _mm_add_ps(fix2,tx);
1858 fiy2 = _mm_add_ps(fiy2,ty);
1859 fiz2 = _mm_add_ps(fiz2,tz);
1860
1861 fjx1 = _mm_add_ps(fjx1,tx);
1862 fjy1 = _mm_add_ps(fjy1,ty);
1863 fjz1 = _mm_add_ps(fjz1,tz);
1864
1865 /**************************
1866 * CALCULATE INTERACTIONS *
1867 **************************/
1868
1869 /* REACTION-FIELD ELECTROSTATICS */
1870 felec = _mm_mul_ps(qq22,_mm_sub_ps(_mm_mul_ps(rinv22,rinvsq22),krf2));
1871
1872 fscal = felec;
1873
1874 fscal = _mm_andnot_ps(dummy_mask,fscal);
1875
1876 /* Calculate temporary vectorial force */
1877 tx = _mm_mul_ps(fscal,dx22);
1878 ty = _mm_mul_ps(fscal,dy22);
1879 tz = _mm_mul_ps(fscal,dz22);
1880
1881 /* Update vectorial force */
1882 fix2 = _mm_add_ps(fix2,tx);
1883 fiy2 = _mm_add_ps(fiy2,ty);
1884 fiz2 = _mm_add_ps(fiz2,tz);
1885
1886 fjx2 = _mm_add_ps(fjx2,tx);
1887 fjy2 = _mm_add_ps(fjy2,ty);
1888 fjz2 = _mm_add_ps(fjz2,tz);
1889
1890 fjptrA = (jnrlistA>=0) ? f+j_coord_offsetA : scratch;
1891 fjptrB = (jnrlistB>=0) ? f+j_coord_offsetB : scratch;
1892 fjptrC = (jnrlistC>=0) ? f+j_coord_offsetC : scratch;
1893 fjptrD = (jnrlistD>=0) ? f+j_coord_offsetD : scratch;
1894
1895 gmx_mm_decrement_3rvec_4ptr_swizzle_ps(fjptrA,fjptrB,fjptrC,fjptrD,
1896 fjx0,fjy0,fjz0,fjx1,fjy1,fjz1,fjx2,fjy2,fjz2);
1897
1898 /* Inner loop uses 271 flops */
1899 }
1900
1901 /* End of innermost loop */
1902
1903 gmx_mm_update_iforce_3atom_swizzle_ps(fix0,fiy0,fiz0,fix1,fiy1,fiz1,fix2,fiy2,fiz2,
1904 f+i_coord_offset,fshift+i_shift_offset);
1905
1906 /* Increment number of inner iterations */
1907 inneriter += j_index_end - j_index_start;
1908
1909 /* Outer loop uses 18 flops */
1910 }
1911
1912 /* Increment number of outer iterations */
1913 outeriter += nri;
1914
1915 /* Update outer/inner flops */
1916
1917 inc_nrnb(nrnb,eNR_NBKERNEL_ELEC_VDW_W3W3_F,outeriter*18 + inneriter*271)(nrnb)->n[eNR_NBKERNEL_ELEC_VDW_W3W3_F] += outeriter*18 + inneriter
*271
;
1918}