xref: /aosp_15_r20/external/XNNPACK/src/f32-gemm/gen/4x16s4-minmax-fma3-broadcast.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-gemm/avx-shuffle4.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9 
10 #include <assert.h>
11 
12 #include <immintrin.h>
13 
14 #include <xnnpack/gemm.h>
15 
16 
xnn_f32_gemm_minmax_ukernel_4x16s4__fma3_broadcast(size_t mr,size_t nc,size_t kc,const float * restrict a,size_t a_stride,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_gemm_minmax_ukernel_4x16s4__fma3_broadcast(
18     size_t mr,
19     size_t nc,
20     size_t kc,
21     const float*restrict a,
22     size_t a_stride,
23     const float*restrict w,
24     float*restrict c,
25     size_t cm_stride,
26     size_t cn_stride,
27     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
28 {
29   assert(mr != 0);
30   assert(mr <= 4);
31   assert(nc != 0);
32   assert(kc != 0);
33   assert(kc % sizeof(float) == 0);
34   assert(a != NULL);
35   assert(w != NULL);
36   assert(c != NULL);
37 
38   const float* a0 = a;
39   float* c0 = c;
40   const float* a1 = (const float*) ((uintptr_t) a0 + a_stride);
41   float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
42   if XNN_UNPREDICTABLE(mr < 2) {
43     a1 = a0;
44     c1 = c0;
45   }
46   const float* a2 = (const float*) ((uintptr_t) a1 + a_stride);
47   float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
48   if XNN_UNPREDICTABLE(mr <= 2) {
49     a2 = a1;
50     c2 = c1;
51   }
52   const float* a3 = (const float*) ((uintptr_t) a2 + a_stride);
53   float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
54   if XNN_UNPREDICTABLE(mr != 4) {
55     a3 = a2;
56     c3 = c2;
57   }
58 
59   do {
60     __m256 vacc0x01234567 = _mm256_load_ps(w + 0);
61     __m256 vacc0x89ABCDEF = _mm256_load_ps(w + 8);
62     __m256 vacc1x01234567 = vacc0x01234567;
63     __m256 vacc1x89ABCDEF = vacc0x89ABCDEF;
64     __m256 vacc2x01234567 = vacc0x01234567;
65     __m256 vacc2x89ABCDEF = vacc0x89ABCDEF;
66     __m256 vacc3x01234567 = vacc0x01234567;
67     __m256 vacc3x89ABCDEF = vacc0x89ABCDEF;
68     w += 16;
69 
70     size_t k = kc;
71     while (k >= 4 * sizeof(float)) {
72       __m256 va0 = _mm256_broadcast_ps((const __m128*) a0);
73       a0 += 4;
74       __m256 va1 = _mm256_broadcast_ps((const __m128*) a1);
75       a1 += 4;
76       __m256 va2 = _mm256_broadcast_ps((const __m128*) a2);
77       a2 += 4;
78       __m256 va3 = _mm256_broadcast_ps((const __m128*) a3);
79       a3 += 4;
80 
81 
82       const __m256 vb01234567c0 = _mm256_load_ps(w + 0);
83       const __m256 vb89ABCDEFc0 = _mm256_load_ps(w + 8);
84 
85       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c0, vacc0x01234567);
86       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c0, vacc1x01234567);
87       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c0, vacc2x01234567);
88       vacc3x01234567 = _mm256_fmadd_ps(va3, vb01234567c0, vacc3x01234567);
89       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc0, vacc0x89ABCDEF);
90       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc0, vacc1x89ABCDEF);
91       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc0, vacc2x89ABCDEF);
92       vacc3x89ABCDEF = _mm256_fmadd_ps(va3, vb89ABCDEFc0, vacc3x89ABCDEF);
93 
94       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
95       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
96       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
97       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
98 
99       const __m256 vb01234567c1 = _mm256_load_ps(w + 16);
100       const __m256 vb89ABCDEFc1 = _mm256_load_ps(w + 24);
101 
102       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c1, vacc0x01234567);
103       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c1, vacc1x01234567);
104       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c1, vacc2x01234567);
105       vacc3x01234567 = _mm256_fmadd_ps(va3, vb01234567c1, vacc3x01234567);
106       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc1, vacc0x89ABCDEF);
107       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc1, vacc1x89ABCDEF);
108       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc1, vacc2x89ABCDEF);
109       vacc3x89ABCDEF = _mm256_fmadd_ps(va3, vb89ABCDEFc1, vacc3x89ABCDEF);
110 
111       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
112       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
113       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
114       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
115 
116       const __m256 vb01234567c2 = _mm256_load_ps(w + 32);
117       const __m256 vb89ABCDEFc2 = _mm256_load_ps(w + 40);
118 
119       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c2, vacc0x01234567);
120       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c2, vacc1x01234567);
121       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c2, vacc2x01234567);
122       vacc3x01234567 = _mm256_fmadd_ps(va3, vb01234567c2, vacc3x01234567);
123       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc2, vacc0x89ABCDEF);
124       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc2, vacc1x89ABCDEF);
125       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc2, vacc2x89ABCDEF);
126       vacc3x89ABCDEF = _mm256_fmadd_ps(va3, vb89ABCDEFc2, vacc3x89ABCDEF);
127 
128       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
129       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
130       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
131       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
132 
133       const __m256 vb01234567c3 = _mm256_load_ps(w + 48);
134       const __m256 vb89ABCDEFc3 = _mm256_load_ps(w + 56);
135 
136       vacc0x01234567 = _mm256_fmadd_ps(va0, vb01234567c3, vacc0x01234567);
137       vacc1x01234567 = _mm256_fmadd_ps(va1, vb01234567c3, vacc1x01234567);
138       vacc2x01234567 = _mm256_fmadd_ps(va2, vb01234567c3, vacc2x01234567);
139       vacc3x01234567 = _mm256_fmadd_ps(va3, vb01234567c3, vacc3x01234567);
140       vacc0x89ABCDEF = _mm256_fmadd_ps(va0, vb89ABCDEFc3, vacc0x89ABCDEF);
141       vacc1x89ABCDEF = _mm256_fmadd_ps(va1, vb89ABCDEFc3, vacc1x89ABCDEF);
142       vacc2x89ABCDEF = _mm256_fmadd_ps(va2, vb89ABCDEFc3, vacc2x89ABCDEF);
143       vacc3x89ABCDEF = _mm256_fmadd_ps(va3, vb89ABCDEFc3, vacc3x89ABCDEF);
144 
145 
146       w += 64;
147       k -= 4 * sizeof(float);
148     }
149     if XNN_UNLIKELY(k != 0) {
150       __m256 va0 = _mm256_broadcast_ps((const __m128*) a0);
151       a0 = (const float*) ((uintptr_t) a0 + k);
152       __m256 va1 = _mm256_broadcast_ps((const __m128*) a1);
153       a1 = (const float*) ((uintptr_t) a1 + k);
154       __m256 va2 = _mm256_broadcast_ps((const __m128*) a2);
155       a2 = (const float*) ((uintptr_t) a2 + k);
156       __m256 va3 = _mm256_broadcast_ps((const __m128*) a3);
157       a3 = (const float*) ((uintptr_t) a3 + k);
158 
159       const __m256 vzero = _mm256_setzero_ps();
160 
161       const __m256 vb01234567c0 = _mm256_load_ps(w + 0);
162       const __m256 vb89ABCDEFc0 = _mm256_load_ps(w + 8);
163 
164       vacc0x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb01234567c0, vzero, _CMP_NEQ_OQ)), vb01234567c0, vacc0x01234567);
165       vacc1x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb01234567c0, vzero, _CMP_NEQ_OQ)), vb01234567c0, vacc1x01234567);
166       vacc2x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb01234567c0, vzero, _CMP_NEQ_OQ)), vb01234567c0, vacc2x01234567);
167       vacc3x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb01234567c0, vzero, _CMP_NEQ_OQ)), vb01234567c0, vacc3x01234567);
168       vacc0x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb89ABCDEFc0, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc0, vacc0x89ABCDEF);
169       vacc1x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb89ABCDEFc0, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc0, vacc1x89ABCDEF);
170       vacc2x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb89ABCDEFc0, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc0, vacc2x89ABCDEF);
171       vacc3x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb89ABCDEFc0, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc0, vacc3x89ABCDEF);
172 
173       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
174       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
175       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
176       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
177 
178       const __m256 vb01234567c1 = _mm256_load_ps(w + 16);
179       const __m256 vb89ABCDEFc1 = _mm256_load_ps(w + 24);
180 
181       vacc0x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb01234567c1, vzero, _CMP_NEQ_OQ)), vb01234567c1, vacc0x01234567);
182       vacc1x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb01234567c1, vzero, _CMP_NEQ_OQ)), vb01234567c1, vacc1x01234567);
183       vacc2x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb01234567c1, vzero, _CMP_NEQ_OQ)), vb01234567c1, vacc2x01234567);
184       vacc3x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb01234567c1, vzero, _CMP_NEQ_OQ)), vb01234567c1, vacc3x01234567);
185       vacc0x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb89ABCDEFc1, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc1, vacc0x89ABCDEF);
186       vacc1x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb89ABCDEFc1, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc1, vacc1x89ABCDEF);
187       vacc2x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb89ABCDEFc1, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc1, vacc2x89ABCDEF);
188       vacc3x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb89ABCDEFc1, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc1, vacc3x89ABCDEF);
189 
190       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
191       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
192       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
193       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
194 
195       const __m256 vb01234567c2 = _mm256_load_ps(w + 32);
196       const __m256 vb89ABCDEFc2 = _mm256_load_ps(w + 40);
197 
198       vacc0x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb01234567c2, vzero, _CMP_NEQ_OQ)), vb01234567c2, vacc0x01234567);
199       vacc1x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb01234567c2, vzero, _CMP_NEQ_OQ)), vb01234567c2, vacc1x01234567);
200       vacc2x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb01234567c2, vzero, _CMP_NEQ_OQ)), vb01234567c2, vacc2x01234567);
201       vacc3x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb01234567c2, vzero, _CMP_NEQ_OQ)), vb01234567c2, vacc3x01234567);
202       vacc0x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb89ABCDEFc2, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc2, vacc0x89ABCDEF);
203       vacc1x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb89ABCDEFc2, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc2, vacc1x89ABCDEF);
204       vacc2x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb89ABCDEFc2, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc2, vacc2x89ABCDEF);
205       vacc3x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb89ABCDEFc2, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc2, vacc3x89ABCDEF);
206 
207       va0 = _mm256_permute_ps(va0, _MM_SHUFFLE(0, 3, 2, 1));
208       va1 = _mm256_permute_ps(va1, _MM_SHUFFLE(0, 3, 2, 1));
209       va2 = _mm256_permute_ps(va2, _MM_SHUFFLE(0, 3, 2, 1));
210       va3 = _mm256_permute_ps(va3, _MM_SHUFFLE(0, 3, 2, 1));
211 
212       const __m256 vb01234567c3 = _mm256_load_ps(w + 48);
213       const __m256 vb89ABCDEFc3 = _mm256_load_ps(w + 56);
214 
215       vacc0x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb01234567c3, vzero, _CMP_NEQ_OQ)), vb01234567c3, vacc0x01234567);
216       vacc1x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb01234567c3, vzero, _CMP_NEQ_OQ)), vb01234567c3, vacc1x01234567);
217       vacc2x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb01234567c3, vzero, _CMP_NEQ_OQ)), vb01234567c3, vacc2x01234567);
218       vacc3x01234567 = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb01234567c3, vzero, _CMP_NEQ_OQ)), vb01234567c3, vacc3x01234567);
219       vacc0x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va0, _mm256_cmp_ps(vb89ABCDEFc3, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc3, vacc0x89ABCDEF);
220       vacc1x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va1, _mm256_cmp_ps(vb89ABCDEFc3, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc3, vacc1x89ABCDEF);
221       vacc2x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va2, _mm256_cmp_ps(vb89ABCDEFc3, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc3, vacc2x89ABCDEF);
222       vacc3x89ABCDEF = _mm256_fmadd_ps(_mm256_and_ps(va3, _mm256_cmp_ps(vb89ABCDEFc3, vzero, _CMP_NEQ_OQ)), vb89ABCDEFc3, vacc3x89ABCDEF);
223 
224 
225       w += 64;
226     }
227 
228     const __m256 vmin = _mm256_load_ps(params->avx.min);
229     vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
230     vacc1x01234567 = _mm256_max_ps(vacc1x01234567, vmin);
231     vacc2x01234567 = _mm256_max_ps(vacc2x01234567, vmin);
232     vacc3x01234567 = _mm256_max_ps(vacc3x01234567, vmin);
233     vacc0x89ABCDEF = _mm256_max_ps(vacc0x89ABCDEF, vmin);
234     vacc1x89ABCDEF = _mm256_max_ps(vacc1x89ABCDEF, vmin);
235     vacc2x89ABCDEF = _mm256_max_ps(vacc2x89ABCDEF, vmin);
236     vacc3x89ABCDEF = _mm256_max_ps(vacc3x89ABCDEF, vmin);
237 
238     const __m256 vmax = _mm256_load_ps(params->avx.max);
239     vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
240     vacc1x01234567 = _mm256_min_ps(vacc1x01234567, vmax);
241     vacc2x01234567 = _mm256_min_ps(vacc2x01234567, vmax);
242     vacc3x01234567 = _mm256_min_ps(vacc3x01234567, vmax);
243     vacc0x89ABCDEF = _mm256_min_ps(vacc0x89ABCDEF, vmax);
244     vacc1x89ABCDEF = _mm256_min_ps(vacc1x89ABCDEF, vmax);
245     vacc2x89ABCDEF = _mm256_min_ps(vacc2x89ABCDEF, vmax);
246     vacc3x89ABCDEF = _mm256_min_ps(vacc3x89ABCDEF, vmax);
247 
248     if XNN_LIKELY(nc >= 16) {
249       _mm256_storeu_ps(c3, vacc3x01234567);
250       _mm256_storeu_ps(c3 + 8, vacc3x89ABCDEF);
251       c3 = (float*) ((uintptr_t) c3 + cn_stride);
252       _mm256_storeu_ps(c2, vacc2x01234567);
253       _mm256_storeu_ps(c2 + 8, vacc2x89ABCDEF);
254       c2 = (float*) ((uintptr_t) c2 + cn_stride);
255       _mm256_storeu_ps(c1, vacc1x01234567);
256       _mm256_storeu_ps(c1 + 8, vacc1x89ABCDEF);
257       c1 = (float*) ((uintptr_t) c1 + cn_stride);
258       _mm256_storeu_ps(c0, vacc0x01234567);
259       _mm256_storeu_ps(c0 + 8, vacc0x89ABCDEF);
260       c0 = (float*) ((uintptr_t) c0 + cn_stride);
261 
262       a3 = (const float*) ((uintptr_t) a3 - kc);
263       a2 = (const float*) ((uintptr_t) a2 - kc);
264       a1 = (const float*) ((uintptr_t) a1 - kc);
265       a0 = (const float*) ((uintptr_t) a0 - kc);
266 
267       nc -= 16;
268     } else {
269       if (nc & 8) {
270         _mm256_storeu_ps(c3, vacc3x01234567);
271         _mm256_storeu_ps(c2, vacc2x01234567);
272         _mm256_storeu_ps(c1, vacc1x01234567);
273         _mm256_storeu_ps(c0, vacc0x01234567);
274 
275         vacc3x01234567 = vacc3x89ABCDEF;
276         vacc2x01234567 = vacc2x89ABCDEF;
277         vacc1x01234567 = vacc1x89ABCDEF;
278         vacc0x01234567 = vacc0x89ABCDEF;
279 
280         c3 += 8;
281         c2 += 8;
282         c1 += 8;
283         c0 += 8;
284       }
285       __m128 vacc3x0123 = _mm256_castps256_ps128(vacc3x01234567);
286       __m128 vacc2x0123 = _mm256_castps256_ps128(vacc2x01234567);
287       __m128 vacc1x0123 = _mm256_castps256_ps128(vacc1x01234567);
288       __m128 vacc0x0123 = _mm256_castps256_ps128(vacc0x01234567);
289       if (nc & 4) {
290         _mm_storeu_ps(c3, vacc3x0123);
291         _mm_storeu_ps(c2, vacc2x0123);
292         _mm_storeu_ps(c1, vacc1x0123);
293         _mm_storeu_ps(c0, vacc0x0123);
294 
295         vacc3x0123 = _mm256_extractf128_ps(vacc3x01234567, 1);
296         vacc2x0123 = _mm256_extractf128_ps(vacc2x01234567, 1);
297         vacc1x0123 = _mm256_extractf128_ps(vacc1x01234567, 1);
298         vacc0x0123 = _mm256_extractf128_ps(vacc0x01234567, 1);
299 
300         c3 += 4;
301         c2 += 4;
302         c1 += 4;
303         c0 += 4;
304       }
305       if (nc & 2) {
306         _mm_storel_pi((__m64*) c3, vacc3x0123);
307         _mm_storel_pi((__m64*) c2, vacc2x0123);
308         _mm_storel_pi((__m64*) c1, vacc1x0123);
309         _mm_storel_pi((__m64*) c0, vacc0x0123);
310 
311         vacc3x0123 = _mm_movehl_ps(vacc3x0123, vacc3x0123);
312         vacc2x0123 = _mm_movehl_ps(vacc2x0123, vacc2x0123);
313         vacc1x0123 = _mm_movehl_ps(vacc1x0123, vacc1x0123);
314         vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
315 
316         c3 += 2;
317         c2 += 2;
318         c1 += 2;
319         c0 += 2;
320       }
321       if (nc & 1) {
322         _mm_store_ss(c3, vacc3x0123);
323         _mm_store_ss(c2, vacc2x0123);
324         _mm_store_ss(c1, vacc1x0123);
325         _mm_store_ss(c0, vacc0x0123);
326       }
327 
328       nc = 0;
329     }
330   } while (nc != 0);
331 }
332