1 // Auto-generated file. Do not edit!
2 // Template: src/f16-f32-vcvt/sse-int32.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 <smmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vcvt.h>
16
17
xnn_f16_f32_vcvt_ukernel__sse41_int32_x32(size_t n,const void * input,float * output,const union xnn_f16_f32_cvt_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_f32_vcvt_ukernel__sse41_int32_x32(
19 size_t n,
20 const void* input,
21 float* output,
22 const union xnn_f16_f32_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 assert(n != 0);
25 assert(n % sizeof(uint16_t) == 0);
26 assert(input != NULL);
27 assert(output != NULL);
28
29 const __m128i vsign_mask = _mm_load_si128((const __m128i*) params->sse_int32.sign_mask);
30 const __m128i vexp_offset = _mm_load_si128((const __m128i*) params->sse_int32.exp_offset);
31 const __m128 vexp_scale = _mm_load_ps(params->sse_int32.exp_scale);
32 const __m128i vmagic_bias = _mm_load_si128((const __m128i*) params->sse_int32.magic_bias);
33 const __m128i vdenorm_cutoff = _mm_load_si128((const __m128i*) params->sse_int32.denorm_cutoff);
34
35 const uint16_t* i = (const uint16_t*) input;
36 for (; n >= 32 * sizeof(uint16_t); n -= 32 * sizeof(uint16_t)) {
37 const __m128i vh0 = _mm_loadu_si128((const __m128i*) i);
38 const __m128i vh1 = _mm_loadu_si128((const __m128i*) (i + 8));
39 const __m128i vh2 = _mm_loadu_si128((const __m128i*) (i + 16));
40 const __m128i vh3 = _mm_loadu_si128((const __m128i*) (i + 24));
41 i += 32;
42
43 const __m128i vw0 = _mm_unpacklo_epi16(_mm_setzero_si128(), vh0);
44 const __m128i vw1 = _mm_unpackhi_epi16(_mm_setzero_si128(), vh0);
45 const __m128i vw2 = _mm_unpacklo_epi16(_mm_setzero_si128(), vh1);
46 const __m128i vw3 = _mm_unpackhi_epi16(_mm_setzero_si128(), vh1);
47 const __m128i vw4 = _mm_unpacklo_epi16(_mm_setzero_si128(), vh2);
48 const __m128i vw5 = _mm_unpackhi_epi16(_mm_setzero_si128(), vh2);
49 const __m128i vw6 = _mm_unpacklo_epi16(_mm_setzero_si128(), vh3);
50 const __m128i vw7 = _mm_unpackhi_epi16(_mm_setzero_si128(), vh3);
51
52 const __m128i vsign0 = _mm_and_si128(vw0, vsign_mask);
53 const __m128i vsign1 = _mm_and_si128(vw1, vsign_mask);
54 const __m128i vsign2 = _mm_and_si128(vw2, vsign_mask);
55 const __m128i vsign3 = _mm_and_si128(vw3, vsign_mask);
56 const __m128i vsign4 = _mm_and_si128(vw4, vsign_mask);
57 const __m128i vsign5 = _mm_and_si128(vw5, vsign_mask);
58 const __m128i vsign6 = _mm_and_si128(vw6, vsign_mask);
59 const __m128i vsign7 = _mm_and_si128(vw7, vsign_mask);
60
61 const __m128i vnonsign0 = _mm_xor_si128(vw0, vsign0);
62 const __m128i vnonsign1 = _mm_xor_si128(vw1, vsign1);
63 const __m128i vnonsign2 = _mm_xor_si128(vw2, vsign2);
64 const __m128i vnonsign3 = _mm_xor_si128(vw3, vsign3);
65 const __m128i vnonsign4 = _mm_xor_si128(vw4, vsign4);
66 const __m128i vnonsign5 = _mm_xor_si128(vw5, vsign5);
67 const __m128i vnonsign6 = _mm_xor_si128(vw6, vsign6);
68 const __m128i vnonsign7 = _mm_xor_si128(vw7, vsign7);
69
70 const __m128i vnorm0 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign0, 3), vexp_offset)), vexp_scale));
71 const __m128i vnorm1 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign1, 3), vexp_offset)), vexp_scale));
72 const __m128i vnorm2 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign2, 3), vexp_offset)), vexp_scale));
73 const __m128i vnorm3 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign3, 3), vexp_offset)), vexp_scale));
74 const __m128i vnorm4 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign4, 3), vexp_offset)), vexp_scale));
75 const __m128i vnorm5 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign5, 3), vexp_offset)), vexp_scale));
76 const __m128i vnorm6 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign6, 3), vexp_offset)), vexp_scale));
77 const __m128i vnorm7 = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign7, 3), vexp_offset)), vexp_scale));
78
79 const __m128i vdenorm0 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign0, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
80 const __m128i vdenorm1 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign1, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
81 const __m128i vdenorm2 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign2, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
82 const __m128i vdenorm3 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign3, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
83 const __m128i vdenorm4 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign4, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
84 const __m128i vdenorm5 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign5, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
85 const __m128i vdenorm6 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign6, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
86 const __m128i vdenorm7 = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign7, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
87
88 const __m128i vmask0 = _mm_cmpgt_epi32(vnonsign0, vdenorm_cutoff);
89 const __m128i vmask1 = _mm_cmpgt_epi32(vnonsign1, vdenorm_cutoff);
90 const __m128i vmask2 = _mm_cmpgt_epi32(vnonsign2, vdenorm_cutoff);
91 const __m128i vmask3 = _mm_cmpgt_epi32(vnonsign3, vdenorm_cutoff);
92 const __m128i vmask4 = _mm_cmpgt_epi32(vnonsign4, vdenorm_cutoff);
93 const __m128i vmask5 = _mm_cmpgt_epi32(vnonsign5, vdenorm_cutoff);
94 const __m128i vmask6 = _mm_cmpgt_epi32(vnonsign6, vdenorm_cutoff);
95 const __m128i vmask7 = _mm_cmpgt_epi32(vnonsign7, vdenorm_cutoff);
96
97 const __m128i vf0 = _mm_or_si128(vsign0, _mm_blendv_epi8(vdenorm0, vnorm0, vmask0));
98 const __m128i vf1 = _mm_or_si128(vsign1, _mm_blendv_epi8(vdenorm1, vnorm1, vmask1));
99 const __m128i vf2 = _mm_or_si128(vsign2, _mm_blendv_epi8(vdenorm2, vnorm2, vmask2));
100 const __m128i vf3 = _mm_or_si128(vsign3, _mm_blendv_epi8(vdenorm3, vnorm3, vmask3));
101 const __m128i vf4 = _mm_or_si128(vsign4, _mm_blendv_epi8(vdenorm4, vnorm4, vmask4));
102 const __m128i vf5 = _mm_or_si128(vsign5, _mm_blendv_epi8(vdenorm5, vnorm5, vmask5));
103 const __m128i vf6 = _mm_or_si128(vsign6, _mm_blendv_epi8(vdenorm6, vnorm6, vmask6));
104 const __m128i vf7 = _mm_or_si128(vsign7, _mm_blendv_epi8(vdenorm7, vnorm7, vmask7));
105
106 _mm_storeu_ps(output, _mm_castsi128_ps(vf0));
107 _mm_storeu_ps(output + 4, _mm_castsi128_ps(vf1));
108 _mm_storeu_ps(output + 8, _mm_castsi128_ps(vf2));
109 _mm_storeu_ps(output + 12, _mm_castsi128_ps(vf3));
110 _mm_storeu_ps(output + 16, _mm_castsi128_ps(vf4));
111 _mm_storeu_ps(output + 20, _mm_castsi128_ps(vf5));
112 _mm_storeu_ps(output + 24, _mm_castsi128_ps(vf6));
113 _mm_storeu_ps(output + 28, _mm_castsi128_ps(vf7));
114 output += 32;
115 }
116 for (; n >= 8 * sizeof(uint16_t); n -= 8 * sizeof(uint16_t)) {
117 const __m128i vh = _mm_loadu_si128((const __m128i*) i);
118 i += 8;
119
120 const __m128i vw_lo = _mm_unpacklo_epi16(_mm_setzero_si128(), vh);
121 const __m128i vw_hi = _mm_unpackhi_epi16(_mm_setzero_si128(), vh);
122
123 const __m128i vsign_lo = _mm_and_si128(vw_lo, vsign_mask);
124 const __m128i vsign_hi = _mm_and_si128(vw_hi, vsign_mask);
125
126 const __m128i vnonsign_lo = _mm_xor_si128(vw_lo, vsign_lo);
127 const __m128i vnonsign_hi = _mm_xor_si128(vw_hi, vsign_hi);
128
129 const __m128i vnorm_lo = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign_lo, 3), vexp_offset)), vexp_scale));
130 const __m128i vnorm_hi = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign_hi, 3), vexp_offset)), vexp_scale));
131
132 const __m128i vdenorm_lo = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign_lo, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
133 const __m128i vdenorm_hi = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign_hi, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
134
135 const __m128i vmask_lo = _mm_cmpgt_epi32(vnonsign_lo, vdenorm_cutoff);
136 const __m128i vf_lo = _mm_or_si128(vsign_lo, _mm_blendv_epi8(vdenorm_lo, vnorm_lo, vmask_lo));
137
138 const __m128i vmask_hi = _mm_cmpgt_epi32(vnonsign_hi, vdenorm_cutoff);
139 const __m128i vf_hi = _mm_or_si128(vsign_hi, _mm_blendv_epi8(vdenorm_hi, vnorm_hi, vmask_hi));
140
141 _mm_storeu_ps(output, _mm_castsi128_ps(vf_lo));
142 _mm_storeu_ps(output + 4, _mm_castsi128_ps(vf_hi));
143 output += 8;
144 }
145 if XNN_UNPREDICTABLE(n != 0) {
146 const __m128i vh = _mm_loadu_si128((const __m128i*) i);
147
148 const __m128i vw_lo = _mm_unpacklo_epi16(_mm_setzero_si128(), vh);
149 const __m128i vw_hi = _mm_unpackhi_epi16(_mm_setzero_si128(), vh);
150
151 const __m128i vsign_lo = _mm_and_si128(vw_lo, vsign_mask);
152 const __m128i vsign_hi = _mm_and_si128(vw_hi, vsign_mask);
153
154 const __m128i vnonsign_lo = _mm_xor_si128(vw_lo, vsign_lo);
155 const __m128i vnonsign_hi = _mm_xor_si128(vw_hi, vsign_hi);
156
157 const __m128i vnorm_lo = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign_lo, 3), vexp_offset)), vexp_scale));
158 const __m128i vnorm_hi = _mm_castps_si128(_mm_mul_ps(_mm_castsi128_ps(_mm_add_epi32(_mm_srli_epi32(vnonsign_hi, 3), vexp_offset)), vexp_scale));
159
160 const __m128i vdenorm_lo = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign_lo, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
161 const __m128i vdenorm_hi = _mm_castps_si128(_mm_sub_ps(_mm_castsi128_ps(_mm_or_si128(_mm_srli_epi32(vnonsign_hi, 16), vmagic_bias)), _mm_castsi128_ps(vmagic_bias)));
162
163 const __m128i vmask_lo = _mm_cmpgt_epi32(vnonsign_lo, vdenorm_cutoff);
164 __m128i vf = _mm_or_si128(vsign_lo, _mm_blendv_epi8(vdenorm_lo, vnorm_lo, vmask_lo));
165
166 if (n & (4 * sizeof(uint16_t))) {
167 _mm_storeu_ps(output, _mm_castsi128_ps(vf));
168 output += 4;
169
170 const __m128i vmask_hi = _mm_cmpgt_epi32(vnonsign_hi, vdenorm_cutoff);
171 vf = _mm_or_si128(vsign_hi, _mm_blendv_epi8(vdenorm_hi, vnorm_hi, vmask_hi));
172 }
173 if (n & (2 * sizeof(uint16_t))) {
174 _mm_storel_pi((__m64*) output, _mm_castsi128_ps(vf));
175 output += 2;
176
177 vf = _mm_castps_si128(_mm_movehl_ps(_mm_castsi128_ps(vf), _mm_castsi128_ps(vf)));
178 }
179 if (n & (1 * sizeof(uint16_t))) {
180 _mm_store_ss(output, _mm_castsi128_ps(vf));
181 }
182 }
183 }
184