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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-igemm/sse-load1.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 <xmmintrin.h>
13 
14 #include <xnnpack/igemm.h>
15 
16 
xnn_f32_igemm_minmax_ukernel_4x8__sse_load1(size_t mr,size_t nc,size_t kc,size_t ks,const float ** restrict a,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const float * zero,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_igemm_minmax_ukernel_4x8__sse_load1(
18     size_t mr,
19     size_t nc,
20     size_t kc,
21     size_t ks,
22     const float**restrict a,
23     const float*restrict w,
24     float*restrict c,
25     size_t cm_stride,
26     size_t cn_stride,
27     size_t a_offset,
28     const float* zero,
29     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
30 {
31   assert(mr != 0);
32   assert(mr <= 4);
33   assert(nc != 0);
34   assert(kc != 0);
35   assert(kc % sizeof(float) == 0);
36   assert(ks != 0);
37   assert(ks % (4 * sizeof(void*)) == 0);
38   assert(a_offset % sizeof(float) == 0);
39   assert(a != NULL);
40   assert(w != NULL);
41   assert(c != NULL);
42 
43   float* c0 = c;
44   float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
45   if XNN_UNPREDICTABLE(mr < 2) {
46     c1 = c0;
47   }
48   float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
49   if XNN_UNPREDICTABLE(mr <= 2) {
50     c2 = c1;
51   }
52   float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
53   if XNN_UNPREDICTABLE(mr != 4) {
54     c3 = c2;
55   }
56 
57   do {
58     __m128 vacc0x0123 = _mm_load_ps(w);
59     __m128 vacc0x4567 = _mm_load_ps(w + 4);
60     __m128 vacc1x0123 = vacc0x0123;
61     __m128 vacc1x4567 = vacc0x4567;
62     __m128 vacc2x0123 = vacc0x0123;
63     __m128 vacc2x4567 = vacc0x4567;
64     __m128 vacc3x0123 = vacc0x0123;
65     __m128 vacc3x4567 = vacc0x4567;
66     w += 8;
67 
68     size_t p = ks;
69     do {
70       const float* restrict a0 = a[0];
71       assert(a0 != NULL);
72       if XNN_UNPREDICTABLE(a0 != zero) {
73         a0 = (const float*) ((uintptr_t) a0 + a_offset);
74       }
75       const float* restrict a1 = a[1];
76       assert(a1 != NULL);
77       if XNN_UNPREDICTABLE(a1 != zero) {
78         a1 = (const float*) ((uintptr_t) a1 + a_offset);
79       }
80       const float* restrict a2 = a[2];
81       assert(a2 != NULL);
82       if XNN_UNPREDICTABLE(a2 != zero) {
83         a2 = (const float*) ((uintptr_t) a2 + a_offset);
84       }
85       const float* restrict a3 = a[3];
86       assert(a3 != NULL);
87       if XNN_UNPREDICTABLE(a3 != zero) {
88         a3 = (const float*) ((uintptr_t) a3 + a_offset);
89       }
90       a += 4;
91 
92       size_t k = kc;
93       do {
94         const __m128 vb0123 = _mm_load_ps(w);
95         const __m128 vb4567 = _mm_load_ps(w + 4);
96         w += 8;
97 
98         const __m128 va0 = _mm_load1_ps(a0);
99         a0 += 1;
100         const __m128 va1 = _mm_load1_ps(a1);
101         a1 += 1;
102         const __m128 va2 = _mm_load1_ps(a2);
103         a2 += 1;
104         const __m128 va3 = _mm_load1_ps(a3);
105         a3 += 1;
106 
107         vacc0x0123 = _mm_add_ps(vacc0x0123, _mm_mul_ps(va0, vb0123));
108         vacc0x4567 = _mm_add_ps(vacc0x4567, _mm_mul_ps(va0, vb4567));
109         vacc1x0123 = _mm_add_ps(vacc1x0123, _mm_mul_ps(va1, vb0123));
110         vacc1x4567 = _mm_add_ps(vacc1x4567, _mm_mul_ps(va1, vb4567));
111         vacc2x0123 = _mm_add_ps(vacc2x0123, _mm_mul_ps(va2, vb0123));
112         vacc2x4567 = _mm_add_ps(vacc2x4567, _mm_mul_ps(va2, vb4567));
113         vacc3x0123 = _mm_add_ps(vacc3x0123, _mm_mul_ps(va3, vb0123));
114         vacc3x4567 = _mm_add_ps(vacc3x4567, _mm_mul_ps(va3, vb4567));
115         k -= sizeof(float);
116       } while (k != 0);
117       p -= 4 * sizeof(void*);
118     } while (p != 0);
119 
120     const __m128 vmax = _mm_load_ps(params->sse.max);
121     vacc0x0123 = _mm_min_ps(vacc0x0123, vmax);
122     vacc1x0123 = _mm_min_ps(vacc1x0123, vmax);
123     vacc2x0123 = _mm_min_ps(vacc2x0123, vmax);
124     vacc3x0123 = _mm_min_ps(vacc3x0123, vmax);
125     vacc0x4567 = _mm_min_ps(vacc0x4567, vmax);
126     vacc1x4567 = _mm_min_ps(vacc1x4567, vmax);
127     vacc2x4567 = _mm_min_ps(vacc2x4567, vmax);
128     vacc3x4567 = _mm_min_ps(vacc3x4567, vmax);
129 
130     const __m128 vmin = _mm_load_ps(params->sse.min);
131     vacc0x0123 = _mm_max_ps(vacc0x0123, vmin);
132     vacc1x0123 = _mm_max_ps(vacc1x0123, vmin);
133     vacc2x0123 = _mm_max_ps(vacc2x0123, vmin);
134     vacc3x0123 = _mm_max_ps(vacc3x0123, vmin);
135     vacc0x4567 = _mm_max_ps(vacc0x4567, vmin);
136     vacc1x4567 = _mm_max_ps(vacc1x4567, vmin);
137     vacc2x4567 = _mm_max_ps(vacc2x4567, vmin);
138     vacc3x4567 = _mm_max_ps(vacc3x4567, vmin);
139 
140     if XNN_LIKELY(nc >= 8) {
141       _mm_storeu_ps(c3, vacc3x0123);
142       _mm_storeu_ps(c3 + 4, vacc3x4567);
143       c3 = (float*) ((uintptr_t) c3 + cn_stride);
144       _mm_storeu_ps(c2, vacc2x0123);
145       _mm_storeu_ps(c2 + 4, vacc2x4567);
146       c2 = (float*) ((uintptr_t) c2 + cn_stride);
147       _mm_storeu_ps(c1, vacc1x0123);
148       _mm_storeu_ps(c1 + 4, vacc1x4567);
149       c1 = (float*) ((uintptr_t) c1 + cn_stride);
150       _mm_storeu_ps(c0, vacc0x0123);
151       _mm_storeu_ps(c0 + 4, vacc0x4567);
152       c0 = (float*) ((uintptr_t) c0 + cn_stride);
153 
154       a = (const float**restrict) ((uintptr_t) a - ks);
155       nc -= 8;
156     } else {
157       if (nc & 4) {
158         _mm_storeu_ps(c3, vacc3x0123);
159         _mm_storeu_ps(c2, vacc2x0123);
160         _mm_storeu_ps(c1, vacc1x0123);
161         _mm_storeu_ps(c0, vacc0x0123);
162 
163         vacc3x0123 = vacc3x4567;
164         vacc2x0123 = vacc2x4567;
165         vacc1x0123 = vacc1x4567;
166         vacc0x0123 = vacc0x4567;
167 
168         c3 += 4;
169         c2 += 4;
170         c1 += 4;
171         c0 += 4;
172       }
173       if (nc & 2) {
174         _mm_storel_pi((__m64*) c3, vacc3x0123);
175         _mm_storel_pi((__m64*) c2, vacc2x0123);
176         _mm_storel_pi((__m64*) c1, vacc1x0123);
177         _mm_storel_pi((__m64*) c0, vacc0x0123);
178 
179         vacc3x0123 = _mm_movehl_ps(vacc3x0123, vacc3x0123);
180         vacc2x0123 = _mm_movehl_ps(vacc2x0123, vacc2x0123);
181         vacc1x0123 = _mm_movehl_ps(vacc1x0123, vacc1x0123);
182         vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
183 
184         c3 += 2;
185         c2 += 2;
186         c1 += 2;
187         c0 += 2;
188       }
189       if (nc & 1) {
190         _mm_store_ss(c3, vacc3x0123);
191         _mm_store_ss(c2, vacc2x0123);
192         _mm_store_ss(c1, vacc1x0123);
193         _mm_store_ss(c0, vacc0x0123);
194       }
195 
196       nc = 0;
197     }
198   } while (nc != 0);
199 }
200