1 // Auto-generated file. Do not edit!
2 // Template: src/f32-f16-vcvt/sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 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 <emmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vcvt.h>
16
17
xnn_f32_f16_vcvt_ukernel__sse2_x32(size_t n,const float * input,void * output,const union xnn_f32_f16_cvt_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_f16_vcvt_ukernel__sse2_x32(
19 size_t n,
20 const float* input,
21 void* output,
22 const union xnn_f32_f16_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26 assert(input != NULL);
27 assert(output != NULL);
28
29 const __m128 vnonsign_mask = _mm_load_ps((const float*) params->sse2.nonsign_mask);
30 const __m128i vexp_bias = _mm_load_si128((const __m128i*) params->sse2.exp_bias);
31 const __m128 vscale_to_inf = _mm_load_ps(params->sse2.scale_to_inf);
32 const __m128i vexpw_max = _mm_load_si128((const __m128i*) params->sse2.expw_max);
33 const __m128 vscale_to_zero = _mm_load_ps(params->sse2.scale_to_zero);
34 const __m128i vbias_min = _mm_load_si128((const __m128i*) params->sse2.bias_min);
35 const __m128i vmanth_mask = _mm_load_si128((const __m128i*) params->sse2.manth_mask);
36 const __m128i vexph_mask = _mm_load_si128((const __m128i*) params->sse2.exph_mask);
37 const __m128i vnanh = _mm_load_si128((const __m128i*) params->sse2.nanh);
38
39 uint16_t* o = (uint16_t*) output;
40 for (; n >= 32 * sizeof(float); n -= 32 * sizeof(float)) {
41 const __m128 vx0 = _mm_loadu_ps(input);
42 const __m128 vx1 = _mm_loadu_ps(input + 4);
43 const __m128 vx2 = _mm_loadu_ps(input + 8);
44 const __m128 vx3 = _mm_loadu_ps(input + 12);
45 const __m128 vx4 = _mm_loadu_ps(input + 16);
46 const __m128 vx5 = _mm_loadu_ps(input + 20);
47 const __m128 vx6 = _mm_loadu_ps(input + 24);
48 const __m128 vx7 = _mm_loadu_ps(input + 28);
49 input += 32;
50
51 const __m128 vabsx0 = _mm_and_ps(vx0, vnonsign_mask);
52 const __m128 vabsx1 = _mm_and_ps(vx1, vnonsign_mask);
53 const __m128 vabsx2 = _mm_and_ps(vx2, vnonsign_mask);
54 const __m128 vabsx3 = _mm_and_ps(vx3, vnonsign_mask);
55 const __m128 vabsx4 = _mm_and_ps(vx4, vnonsign_mask);
56 const __m128 vabsx5 = _mm_and_ps(vx5, vnonsign_mask);
57 const __m128 vabsx6 = _mm_and_ps(vx6, vnonsign_mask);
58 const __m128 vabsx7 = _mm_and_ps(vx7, vnonsign_mask);
59
60 const __m128 vsignx0 = _mm_xor_ps(vx0, vabsx0);
61 const __m128 vsignx1 = _mm_xor_ps(vx1, vabsx1);
62 const __m128 vsignx2 = _mm_xor_ps(vx2, vabsx2);
63 const __m128 vsignx3 = _mm_xor_ps(vx3, vabsx3);
64 const __m128 vsignx4 = _mm_xor_ps(vx4, vabsx4);
65 const __m128 vsignx5 = _mm_xor_ps(vx5, vabsx5);
66 const __m128 vsignx6 = _mm_xor_ps(vx6, vabsx6);
67 const __m128 vsignx7 = _mm_xor_ps(vx7, vabsx7);
68
69 __m128i vbias0 = _mm_add_epi32(_mm_castps_si128(vabsx0), vexp_bias);
70 __m128i vbias1 = _mm_add_epi32(_mm_castps_si128(vabsx1), vexp_bias);
71 __m128i vbias2 = _mm_add_epi32(_mm_castps_si128(vabsx2), vexp_bias);
72 __m128i vbias3 = _mm_add_epi32(_mm_castps_si128(vabsx3), vexp_bias);
73 __m128i vbias4 = _mm_add_epi32(_mm_castps_si128(vabsx4), vexp_bias);
74 __m128i vbias5 = _mm_add_epi32(_mm_castps_si128(vabsx5), vexp_bias);
75 __m128i vbias6 = _mm_add_epi32(_mm_castps_si128(vabsx6), vexp_bias);
76 __m128i vbias7 = _mm_add_epi32(_mm_castps_si128(vabsx7), vexp_bias);
77
78 __m128 vf0 = _mm_mul_ps(vabsx0, vscale_to_inf);
79 __m128 vf1 = _mm_mul_ps(vabsx1, vscale_to_inf);
80 __m128 vf2 = _mm_mul_ps(vabsx2, vscale_to_inf);
81 __m128 vf3 = _mm_mul_ps(vabsx3, vscale_to_inf);
82 __m128 vf4 = _mm_mul_ps(vabsx4, vscale_to_inf);
83 __m128 vf5 = _mm_mul_ps(vabsx5, vscale_to_inf);
84 __m128 vf6 = _mm_mul_ps(vabsx6, vscale_to_inf);
85 __m128 vf7 = _mm_mul_ps(vabsx7, vscale_to_inf);
86
87 const __m128i vnanmaskw0 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx0), vexpw_max);
88 const __m128i vnanmaskw1 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx1), vexpw_max);
89 const __m128i vnanmaskw2 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx2), vexpw_max);
90 const __m128i vnanmaskw3 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx3), vexpw_max);
91 const __m128i vnanmaskw4 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx4), vexpw_max);
92 const __m128i vnanmaskw5 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx5), vexpw_max);
93 const __m128i vnanmaskw6 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx6), vexpw_max);
94 const __m128i vnanmaskw7 = _mm_cmpgt_epi32(_mm_castps_si128(vabsx7), vexpw_max);
95
96 vbias0 = _mm_and_si128(vbias0, vexpw_max);
97 vbias1 = _mm_and_si128(vbias1, vexpw_max);
98 vbias2 = _mm_and_si128(vbias2, vexpw_max);
99 vbias3 = _mm_and_si128(vbias3, vexpw_max);
100 vbias4 = _mm_and_si128(vbias4, vexpw_max);
101 vbias5 = _mm_and_si128(vbias5, vexpw_max);
102 vbias6 = _mm_and_si128(vbias6, vexpw_max);
103 vbias7 = _mm_and_si128(vbias7, vexpw_max);
104
105 vf0 = _mm_mul_ps(vf0, vscale_to_zero);
106 vf1 = _mm_mul_ps(vf1, vscale_to_zero);
107 vf2 = _mm_mul_ps(vf2, vscale_to_zero);
108 vf3 = _mm_mul_ps(vf3, vscale_to_zero);
109 vf4 = _mm_mul_ps(vf4, vscale_to_zero);
110 vf5 = _mm_mul_ps(vf5, vscale_to_zero);
111 vf6 = _mm_mul_ps(vf6, vscale_to_zero);
112 vf7 = _mm_mul_ps(vf7, vscale_to_zero);
113
114 const __m128i vnanmaskh0 = _mm_packs_epi32(vnanmaskw0, vnanmaskw1);
115 const __m128i vnanmaskh1 = _mm_packs_epi32(vnanmaskw2, vnanmaskw3);
116 const __m128i vnanmaskh2 = _mm_packs_epi32(vnanmaskw4, vnanmaskw5);
117 const __m128i vnanmaskh3 = _mm_packs_epi32(vnanmaskw6, vnanmaskw7);
118
119 const __m128i vsignh0 = _mm_packs_epi32(_mm_castps_si128(vsignx0), _mm_castps_si128(vsignx1));
120 const __m128i vsignh1 = _mm_packs_epi32(_mm_castps_si128(vsignx2), _mm_castps_si128(vsignx3));
121 const __m128i vsignh2 = _mm_packs_epi32(_mm_castps_si128(vsignx4), _mm_castps_si128(vsignx5));
122 const __m128i vsignh3 = _mm_packs_epi32(_mm_castps_si128(vsignx6), _mm_castps_si128(vsignx7));
123
124 vbias0 = _mm_max_epi16(vbias0, vbias_min);
125 vbias1 = _mm_max_epi16(vbias1, vbias_min);
126 vbias2 = _mm_max_epi16(vbias2, vbias_min);
127 vbias3 = _mm_max_epi16(vbias3, vbias_min);
128 vbias4 = _mm_max_epi16(vbias4, vbias_min);
129 vbias5 = _mm_max_epi16(vbias5, vbias_min);
130 vbias6 = _mm_max_epi16(vbias6, vbias_min);
131 vbias7 = _mm_max_epi16(vbias7, vbias_min);
132
133 __m128i vh0 = _mm_and_si128(vnanh, vnanmaskh0);
134 __m128i vh1 = _mm_and_si128(vnanh, vnanmaskh1);
135 __m128i vh2 = _mm_and_si128(vnanh, vnanmaskh2);
136 __m128i vh3 = _mm_and_si128(vnanh, vnanmaskh3);
137
138 vf0 = _mm_add_ps(vf0, _mm_castsi128_ps(vbias0));
139 vf1 = _mm_add_ps(vf1, _mm_castsi128_ps(vbias1));
140 vf2 = _mm_add_ps(vf2, _mm_castsi128_ps(vbias2));
141 vf3 = _mm_add_ps(vf3, _mm_castsi128_ps(vbias3));
142 vf4 = _mm_add_ps(vf4, _mm_castsi128_ps(vbias4));
143 vf5 = _mm_add_ps(vf5, _mm_castsi128_ps(vbias5));
144 vf6 = _mm_add_ps(vf6, _mm_castsi128_ps(vbias6));
145 vf7 = _mm_add_ps(vf7, _mm_castsi128_ps(vbias7));
146
147 vh0 = _mm_or_si128(vh0, vsignh0);
148 vh1 = _mm_or_si128(vh1, vsignh1);
149 vh2 = _mm_or_si128(vh2, vsignh2);
150 vh3 = _mm_or_si128(vh3, vsignh3);
151
152 __m128i vexpw0 = _mm_srli_epi32(_mm_castps_si128(vf0), 13);
153 __m128i vexpw1 = _mm_srli_epi32(_mm_castps_si128(vf1), 13);
154 __m128i vexpw2 = _mm_srli_epi32(_mm_castps_si128(vf2), 13);
155 __m128i vexpw3 = _mm_srli_epi32(_mm_castps_si128(vf3), 13);
156 __m128i vexpw4 = _mm_srli_epi32(_mm_castps_si128(vf4), 13);
157 __m128i vexpw5 = _mm_srli_epi32(_mm_castps_si128(vf5), 13);
158 __m128i vexpw6 = _mm_srli_epi32(_mm_castps_si128(vf6), 13);
159 __m128i vexpw7 = _mm_srli_epi32(_mm_castps_si128(vf7), 13);
160
161 const __m128i vmantw0 = _mm_and_si128(_mm_castps_si128(vf0), vmanth_mask);
162 const __m128i vmantw1 = _mm_and_si128(_mm_castps_si128(vf1), vmanth_mask);
163 const __m128i vmantw2 = _mm_and_si128(_mm_castps_si128(vf2), vmanth_mask);
164 const __m128i vmantw3 = _mm_and_si128(_mm_castps_si128(vf3), vmanth_mask);
165 const __m128i vmantw4 = _mm_and_si128(_mm_castps_si128(vf4), vmanth_mask);
166 const __m128i vmantw5 = _mm_and_si128(_mm_castps_si128(vf5), vmanth_mask);
167 const __m128i vmantw6 = _mm_and_si128(_mm_castps_si128(vf6), vmanth_mask);
168 const __m128i vmantw7 = _mm_and_si128(_mm_castps_si128(vf7), vmanth_mask);
169
170 vexpw0 = _mm_and_si128(vexpw0, vexph_mask);
171 vexpw1 = _mm_and_si128(vexpw1, vexph_mask);
172 vexpw2 = _mm_and_si128(vexpw2, vexph_mask);
173 vexpw3 = _mm_and_si128(vexpw3, vexph_mask);
174 vexpw4 = _mm_and_si128(vexpw4, vexph_mask);
175 vexpw5 = _mm_and_si128(vexpw5, vexph_mask);
176 vexpw6 = _mm_and_si128(vexpw6, vexph_mask);
177 vexpw7 = _mm_and_si128(vexpw7, vexph_mask);
178
179 const __m128i vnonsignw0 = _mm_add_epi32(vmantw0, vexpw0);
180 const __m128i vnonsignw1 = _mm_add_epi32(vmantw1, vexpw1);
181 const __m128i vnonsignw2 = _mm_add_epi32(vmantw2, vexpw2);
182 const __m128i vnonsignw3 = _mm_add_epi32(vmantw3, vexpw3);
183 const __m128i vnonsignw4 = _mm_add_epi32(vmantw4, vexpw4);
184 const __m128i vnonsignw5 = _mm_add_epi32(vmantw5, vexpw5);
185 const __m128i vnonsignw6 = _mm_add_epi32(vmantw6, vexpw6);
186 const __m128i vnonsignw7 = _mm_add_epi32(vmantw7, vexpw7);
187
188 const __m128i vnonsignh0 = _mm_packs_epi32(vnonsignw0, vnonsignw1);
189 const __m128i vnonsignh1 = _mm_packs_epi32(vnonsignw2, vnonsignw3);
190 const __m128i vnonsignh2 = _mm_packs_epi32(vnonsignw4, vnonsignw5);
191 const __m128i vnonsignh3 = _mm_packs_epi32(vnonsignw6, vnonsignw7);
192
193 vh0 = _mm_or_si128(vh0, _mm_andnot_si128(vnanmaskh0, vnonsignh0));
194 vh1 = _mm_or_si128(vh1, _mm_andnot_si128(vnanmaskh1, vnonsignh1));
195 vh2 = _mm_or_si128(vh2, _mm_andnot_si128(vnanmaskh2, vnonsignh2));
196 vh3 = _mm_or_si128(vh3, _mm_andnot_si128(vnanmaskh3, vnonsignh3));
197
198 _mm_storeu_si128((__m128i*) o, vh0);
199 _mm_storeu_si128((__m128i*) (o + 8), vh1);
200 _mm_storeu_si128((__m128i*) (o + 16), vh2);
201 _mm_storeu_si128((__m128i*) (o + 24), vh3);
202 o += 32;
203 }
204 for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
205 const __m128 vx_lo = _mm_loadu_ps(input);
206 const __m128 vx_hi = _mm_loadu_ps(input + 4);
207 input += 8;
208
209 const __m128 vabsx_lo = _mm_and_ps(vx_lo, vnonsign_mask);
210 const __m128 vabsx_hi = _mm_and_ps(vx_hi, vnonsign_mask);
211
212 const __m128 vsignx_lo = _mm_xor_ps(vx_lo, vabsx_lo);
213 const __m128 vsignx_hi = _mm_xor_ps(vx_hi, vabsx_hi);
214 __m128i vbias_lo = _mm_add_epi32(_mm_castps_si128(vabsx_lo), vexp_bias);
215 __m128i vbias_hi = _mm_add_epi32(_mm_castps_si128(vabsx_hi), vexp_bias);
216 __m128 vf_lo = _mm_mul_ps(vabsx_lo, vscale_to_inf);
217 __m128 vf_hi = _mm_mul_ps(vabsx_hi, vscale_to_inf);
218 const __m128i vnanmaskw_lo = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_lo), vexpw_max);
219 const __m128i vnanmaskw_hi = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_hi), vexpw_max);
220
221 vbias_lo = _mm_and_si128(vbias_lo, vexpw_max);
222 vbias_hi = _mm_and_si128(vbias_hi, vexpw_max);
223 vf_lo = _mm_mul_ps(vf_lo, vscale_to_zero);
224 vf_hi = _mm_mul_ps(vf_hi, vscale_to_zero);
225 const __m128i vnanmaskh = _mm_packs_epi32(vnanmaskw_lo, vnanmaskw_hi);
226 const __m128i vsignh = _mm_packs_epi32(_mm_castps_si128(vsignx_lo), _mm_castps_si128(vsignx_hi));
227
228 vbias_lo = _mm_max_epi16(vbias_lo, vbias_min);
229 vbias_hi = _mm_max_epi16(vbias_hi, vbias_min);
230 __m128i vh = _mm_and_si128(vnanh, vnanmaskh);
231
232 vf_lo = _mm_add_ps(vf_lo, _mm_castsi128_ps(vbias_lo));
233 vf_hi = _mm_add_ps(vf_hi, _mm_castsi128_ps(vbias_hi));
234 vh = _mm_or_si128(vh, vsignh);
235
236 __m128i vexpw_lo = _mm_srli_epi32(_mm_castps_si128(vf_lo), 13);
237 __m128i vexpw_hi = _mm_srli_epi32(_mm_castps_si128(vf_hi), 13);
238 const __m128i vmantw_lo = _mm_and_si128(_mm_castps_si128(vf_lo), vmanth_mask);
239 const __m128i vmantw_hi = _mm_and_si128(_mm_castps_si128(vf_hi), vmanth_mask);
240
241 vexpw_lo = _mm_and_si128(vexpw_lo, vexph_mask);
242 vexpw_hi = _mm_and_si128(vexpw_hi, vexph_mask);
243
244 const __m128i vnonsignw_lo = _mm_add_epi32(vmantw_lo, vexpw_lo);
245 const __m128i vnonsignw_hi = _mm_add_epi32(vmantw_hi, vexpw_hi);
246
247 const __m128i vnonsignh = _mm_packs_epi32(vnonsignw_lo, vnonsignw_hi);
248
249 vh = _mm_or_si128(vh, _mm_andnot_si128(vnanmaskh, vnonsignh));
250
251 _mm_storeu_si128((__m128i*) o, vh);
252 o += 8;
253 }
254 if XNN_UNPREDICTABLE(n != 0) {
255 const __m128 vx_lo = _mm_loadu_ps(input);
256 const float* input_hi = (const float*) ((uintptr_t) input + (n & (4 * sizeof(float))));
257 const __m128 vx_hi = _mm_loadu_ps(input_hi);
258
259 const __m128 vabsx_lo = _mm_and_ps(vx_lo, vnonsign_mask);
260 const __m128 vabsx_hi = _mm_and_ps(vx_hi, vnonsign_mask);
261
262 const __m128 vsignx_lo = _mm_xor_ps(vx_lo, vabsx_lo);
263 const __m128 vsignx_hi = _mm_xor_ps(vx_hi, vabsx_hi);
264 __m128i vbias_lo = _mm_add_epi32(_mm_castps_si128(vabsx_lo), vexp_bias);
265 __m128i vbias_hi = _mm_add_epi32(_mm_castps_si128(vabsx_hi), vexp_bias);
266 __m128 vf_lo = _mm_mul_ps(vabsx_lo, vscale_to_inf);
267 __m128 vf_hi = _mm_mul_ps(vabsx_hi, vscale_to_inf);
268 const __m128i vnanmaskw_lo = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_lo), vexpw_max);
269 const __m128i vnanmaskw_hi = _mm_cmpgt_epi32(_mm_castps_si128(vabsx_hi), vexpw_max);
270
271 vbias_lo = _mm_and_si128(vbias_lo, vexpw_max);
272 vbias_hi = _mm_and_si128(vbias_hi, vexpw_max);
273 vf_lo = _mm_mul_ps(vf_lo, vscale_to_zero);
274 vf_hi = _mm_mul_ps(vf_hi, vscale_to_zero);
275 const __m128i vnanmaskh = _mm_packs_epi32(vnanmaskw_lo, vnanmaskw_hi);
276 const __m128i vsignh = _mm_packs_epi32(_mm_castps_si128(vsignx_lo), _mm_castps_si128(vsignx_hi));
277
278 vbias_lo = _mm_max_epi16(vbias_lo, vbias_min);
279 vbias_hi = _mm_max_epi16(vbias_hi, vbias_min);
280 __m128i vh = _mm_and_si128(vnanh, vnanmaskh);
281
282 vf_lo = _mm_add_ps(vf_lo, _mm_castsi128_ps(vbias_lo));
283 vf_hi = _mm_add_ps(vf_hi, _mm_castsi128_ps(vbias_hi));
284 vh = _mm_or_si128(vh, vsignh);
285
286 __m128i vexpw_lo = _mm_srli_epi32(_mm_castps_si128(vf_lo), 13);
287 __m128i vexpw_hi = _mm_srli_epi32(_mm_castps_si128(vf_hi), 13);
288 const __m128i vmantw_lo = _mm_and_si128(_mm_castps_si128(vf_lo), vmanth_mask);
289 const __m128i vmantw_hi = _mm_and_si128(_mm_castps_si128(vf_hi), vmanth_mask);
290
291 vexpw_lo = _mm_and_si128(vexpw_lo, vexph_mask);
292 vexpw_hi = _mm_and_si128(vexpw_hi, vexph_mask);
293
294 const __m128i vnonsignw_lo = _mm_add_epi32(vmantw_lo, vexpw_lo);
295 const __m128i vnonsignw_hi = _mm_add_epi32(vmantw_hi, vexpw_hi);
296
297 const __m128i vnonsignh = _mm_packs_epi32(vnonsignw_lo, vnonsignw_hi);
298
299 vh = _mm_or_si128(vh, _mm_andnot_si128(vnanmaskh, vnonsignh));
300
301 if (n & (4 * sizeof(float))) {
302 _mm_storel_epi64((__m128i*) o, vh);
303 vh = _mm_unpackhi_epi64(vh, vh);
304 o += 4;
305 }
306 if (n & (2 * sizeof(float))) {
307 *((uint32_t*) o) = (uint32_t) _mm_cvtsi128_si32(vh);
308 vh = _mm_srli_epi64(vh, 32);
309 o += 2;
310 }
311 if (n & (1 * sizeof(float))) {
312 *o = (uint16_t) _mm_cvtsi128_si32(vh);
313 }
314 }
315 }
316