1 // Auto-generated file. Do not edit!
2 // Template: src/f32-igemm/scalar.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 <xnnpack/igemm.h>
13 #include <xnnpack/math.h>
14
15
xnn_f32_igemm_minmax_ukernel_4x4__wasm(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)])16 void xnn_f32_igemm_minmax_ukernel_4x4__wasm(
17 size_t mr,
18 size_t nc,
19 size_t kc,
20 size_t ks,
21 const float**restrict a,
22 const float*restrict w,
23 float*restrict c,
24 size_t cm_stride,
25 size_t cn_stride,
26 size_t a_offset,
27 const float* zero,
28 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
29 {
30 assert(mr != 0);
31 assert(mr <= 4);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(float) == 0);
35 assert(ks != 0);
36 assert(ks % (4 * sizeof(void*)) == 0);
37 assert(a_offset % sizeof(float) == 0);
38 assert(a != NULL);
39 assert(w != NULL);
40 assert(c != NULL);
41
42 float* c0 = c;
43 float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 c1 = c0;
46 }
47 float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
48 if XNN_UNPREDICTABLE(mr <= 2) {
49 c2 = c1;
50 }
51 float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
52 if XNN_UNPREDICTABLE(mr != 4) {
53 c3 = c2;
54 }
55
56 const float vmin = params->scalar.min;
57 const float vmax = params->scalar.max;
58 do {
59 float vacc00 = w[0];
60 float vacc01 = w[1];
61 float vacc02 = w[2];
62 float vacc03 = w[3];
63 float vacc10 = vacc00;
64 float vacc11 = vacc01;
65 float vacc12 = vacc02;
66 float vacc13 = vacc03;
67 float vacc20 = vacc00;
68 float vacc21 = vacc01;
69 float vacc22 = vacc02;
70 float vacc23 = vacc03;
71 float vacc30 = vacc00;
72 float vacc31 = vacc01;
73 float vacc32 = vacc02;
74 float vacc33 = vacc03;
75 w += 4;
76
77 size_t p = ks;
78 do {
79 const float* restrict a0 = a[0];
80 assert(a0 != NULL);
81 if XNN_UNPREDICTABLE(a0 != zero) {
82 a0 = (const float*) ((uintptr_t) a0 + a_offset);
83 }
84 const float* restrict a1 = a[1];
85 assert(a1 != NULL);
86 if XNN_UNPREDICTABLE(a1 != zero) {
87 a1 = (const float*) ((uintptr_t) a1 + a_offset);
88 }
89 const float* restrict a2 = a[2];
90 assert(a2 != NULL);
91 if XNN_UNPREDICTABLE(a2 != zero) {
92 a2 = (const float*) ((uintptr_t) a2 + a_offset);
93 }
94 const float* restrict a3 = a[3];
95 assert(a3 != NULL);
96 if XNN_UNPREDICTABLE(a3 != zero) {
97 a3 = (const float*) ((uintptr_t) a3 + a_offset);
98 }
99 a += 4;
100
101 size_t k = kc;
102 do {
103 const float va0 = *a0++;
104 const float va1 = *a1++;
105 const float va2 = *a2++;
106 const float va3 = *a3++;
107
108 const float vb0 = w[0];
109 const float vb1 = w[1];
110 const float vb2 = w[2];
111 const float vb3 = w[3];
112 w += 4;
113
114 vacc00 += va0 * vb0;
115 vacc01 += va0 * vb1;
116 vacc02 += va0 * vb2;
117 vacc03 += va0 * vb3;
118 vacc10 += va1 * vb0;
119 vacc11 += va1 * vb1;
120 vacc12 += va1 * vb2;
121 vacc13 += va1 * vb3;
122 vacc20 += va2 * vb0;
123 vacc21 += va2 * vb1;
124 vacc22 += va2 * vb2;
125 vacc23 += va2 * vb3;
126 vacc30 += va3 * vb0;
127 vacc31 += va3 * vb1;
128 vacc32 += va3 * vb2;
129 vacc33 += va3 * vb3;
130
131 k -= sizeof(float);
132 } while (k != 0);
133 p -= 4 * sizeof(void*);
134 } while (p != 0);
135
136 vacc00 = __builtin_wasm_max_f32(vacc00, vmin);
137 vacc01 = __builtin_wasm_max_f32(vacc01, vmin);
138 vacc02 = __builtin_wasm_max_f32(vacc02, vmin);
139 vacc03 = __builtin_wasm_max_f32(vacc03, vmin);
140 vacc10 = __builtin_wasm_max_f32(vacc10, vmin);
141 vacc11 = __builtin_wasm_max_f32(vacc11, vmin);
142 vacc12 = __builtin_wasm_max_f32(vacc12, vmin);
143 vacc13 = __builtin_wasm_max_f32(vacc13, vmin);
144 vacc20 = __builtin_wasm_max_f32(vacc20, vmin);
145 vacc21 = __builtin_wasm_max_f32(vacc21, vmin);
146 vacc22 = __builtin_wasm_max_f32(vacc22, vmin);
147 vacc23 = __builtin_wasm_max_f32(vacc23, vmin);
148 vacc30 = __builtin_wasm_max_f32(vacc30, vmin);
149 vacc31 = __builtin_wasm_max_f32(vacc31, vmin);
150 vacc32 = __builtin_wasm_max_f32(vacc32, vmin);
151 vacc33 = __builtin_wasm_max_f32(vacc33, vmin);
152
153 vacc00 = __builtin_wasm_min_f32(vacc00, vmax);
154 vacc01 = __builtin_wasm_min_f32(vacc01, vmax);
155 vacc02 = __builtin_wasm_min_f32(vacc02, vmax);
156 vacc03 = __builtin_wasm_min_f32(vacc03, vmax);
157 vacc10 = __builtin_wasm_min_f32(vacc10, vmax);
158 vacc11 = __builtin_wasm_min_f32(vacc11, vmax);
159 vacc12 = __builtin_wasm_min_f32(vacc12, vmax);
160 vacc13 = __builtin_wasm_min_f32(vacc13, vmax);
161 vacc20 = __builtin_wasm_min_f32(vacc20, vmax);
162 vacc21 = __builtin_wasm_min_f32(vacc21, vmax);
163 vacc22 = __builtin_wasm_min_f32(vacc22, vmax);
164 vacc23 = __builtin_wasm_min_f32(vacc23, vmax);
165 vacc30 = __builtin_wasm_min_f32(vacc30, vmax);
166 vacc31 = __builtin_wasm_min_f32(vacc31, vmax);
167 vacc32 = __builtin_wasm_min_f32(vacc32, vmax);
168 vacc33 = __builtin_wasm_min_f32(vacc33, vmax);
169
170 if XNN_LIKELY(nc >= 4) {
171 c3[0] = vacc30;
172 c3[1] = vacc31;
173 c3[2] = vacc32;
174 c3[3] = vacc33;
175 c3 = (float*) ((uintptr_t) c3 + cn_stride);
176 c2[0] = vacc20;
177 c2[1] = vacc21;
178 c2[2] = vacc22;
179 c2[3] = vacc23;
180 c2 = (float*) ((uintptr_t) c2 + cn_stride);
181 c1[0] = vacc10;
182 c1[1] = vacc11;
183 c1[2] = vacc12;
184 c1[3] = vacc13;
185 c1 = (float*) ((uintptr_t) c1 + cn_stride);
186 c0[0] = vacc00;
187 c0[1] = vacc01;
188 c0[2] = vacc02;
189 c0[3] = vacc03;
190 c0 = (float*) ((uintptr_t) c0 + cn_stride);
191
192 a = (const float**restrict) ((uintptr_t) a - ks);
193 nc -= 4;
194 } else {
195 if (nc & 2) {
196 c3[0] = vacc30;
197 c3[1] = vacc31;
198 vacc30 = vacc32;
199 c3 += 2;
200 c2[0] = vacc20;
201 c2[1] = vacc21;
202 vacc20 = vacc22;
203 c2 += 2;
204 c1[0] = vacc10;
205 c1[1] = vacc11;
206 vacc10 = vacc12;
207 c1 += 2;
208 c0[0] = vacc00;
209 c0[1] = vacc01;
210 vacc00 = vacc02;
211 c0 += 2;
212 }
213 if (nc & 1) {
214 c3[0] = vacc30;
215 c2[0] = vacc20;
216 c1[0] = vacc10;
217 c0[0] = vacc00;
218 }
219
220 nc = 0;
221 }
222 } while (nc != 0);
223 }
224