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1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-vadd/sse-mul16-ld64.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2020 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/vaddsub.h>
15 
16 
xnn_qu8_vadd_minmax_ukernel__sse2_mul16_ld64_x8(size_t n,const uint8_t * input_a,const uint8_t * input_b,uint8_t * output,const union xnn_qu8_addsub_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qu8_vadd_minmax_ukernel__sse2_mul16_ld64_x8(
18     size_t n,
19     const uint8_t* input_a,
20     const uint8_t* input_b,
21     uint8_t* output,
22     const union xnn_qu8_addsub_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24   const __m128i vbias = _mm_load_si128((const __m128i*) params->sse2.bias);
25   const __m128i va_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.a_multiplier_lo);
26   const __m128i va_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.a_multiplier_hi);
27   const __m128i vb_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.b_multiplier_lo);
28   const __m128i vb_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.b_multiplier_hi);
29   const __m128i vshift = _mm_cvtsi32_si128((int) params->sse2.shift);
30   const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
31   const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse2.output_min);
32   const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse2.output_max);
33 
34   for (; n >= 8 * sizeof(uint8_t); n -= 8 * sizeof(uint8_t)) {
35     __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
36     __m128i vb01234567 = _mm_loadl_epi64((const __m128i*) input_b);
37     input_a += 8;
38     input_b += 8;
39 
40     const __m128i vzero = _mm_setzero_si128();
41     va01234567 = _mm_unpacklo_epi8(va01234567, vzero);
42     vb01234567 = _mm_unpacklo_epi8(vb01234567, vzero);
43 
44     __m128i vaprod01234567hi = _mm_mulhi_epu16(va01234567, va_multiplier_lo);
45     __m128i vbprod01234567hi = _mm_mulhi_epu16(vb01234567, vb_multiplier_lo);
46     const __m128i vaprod01234567lo = _mm_mullo_epi16(va01234567, va_multiplier_lo);
47     const __m128i vbprod01234567lo = _mm_mullo_epi16(vb01234567, vb_multiplier_lo);
48 
49     vaprod01234567hi = _mm_add_epi16(vaprod01234567hi, _mm_mullo_epi16(va01234567, va_multiplier_hi));
50     vbprod01234567hi = _mm_add_epi16(vbprod01234567hi, _mm_mullo_epi16(vb01234567, vb_multiplier_hi));
51 
52 
53     __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
54     __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
55 
56     vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vbprod01234567lo, vbprod01234567hi));
57     vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vbprod01234567lo, vbprod01234567hi));
58 
59     vacc0123 = _mm_sra_epi32(vacc0123, vshift);
60     vacc4567 = _mm_sra_epi32(vacc4567, vshift);
61 
62     __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
63 
64 
65     __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
66 
67     vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
68 
69     vout0123456701234567 = _mm_min_epu8(vout0123456701234567, voutput_max);
70 
71     _mm_storel_epi64((__m128i*) output, vout0123456701234567);
72     output += 8;
73   }
74   if XNN_UNLIKELY(n != 0) {
75     {
76       __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
77       __m128i vb01234567 = _mm_loadl_epi64((const __m128i*) input_b);
78 
79       const __m128i vzero = _mm_setzero_si128();
80       va01234567 = _mm_unpacklo_epi8(va01234567, vzero);
81       vb01234567 = _mm_unpacklo_epi8(vb01234567, vzero);
82 
83       __m128i vaprod01234567hi = _mm_mulhi_epu16(va01234567, va_multiplier_lo);
84       __m128i vbprod01234567hi = _mm_mulhi_epu16(vb01234567, vb_multiplier_lo);
85       const __m128i vaprod01234567lo = _mm_mullo_epi16(va01234567, va_multiplier_lo);
86       const __m128i vbprod01234567lo = _mm_mullo_epi16(vb01234567, vb_multiplier_lo);
87 
88       vaprod01234567hi = _mm_add_epi16(vaprod01234567hi, _mm_mullo_epi16(va01234567, va_multiplier_hi));
89       vbprod01234567hi = _mm_add_epi16(vbprod01234567hi, _mm_mullo_epi16(vb01234567, vb_multiplier_hi));
90 
91 
92       __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
93       __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
94 
95       vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vbprod01234567lo, vbprod01234567hi));
96       vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vbprod01234567lo, vbprod01234567hi));
97 
98       vacc0123 = _mm_sra_epi32(vacc0123, vshift);
99       vacc4567 = _mm_sra_epi32(vacc4567, vshift);
100 
101       __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
102 
103       __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
104       vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
105       vout0123456701234567 = _mm_min_epu8(vout0123456701234567, voutput_max);
106 
107       if (n & (4 * sizeof(uint8_t))) {
108         *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
109         vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
110         output += 4;
111       }
112       if (n & (2 * sizeof(uint8_t))) {
113         *((uint16_t*) output) = (uint16_t) _mm_cvtsi128_si32(vout0123456701234567);
114         vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
115         output += 2;
116       }
117       if (n & (1 * sizeof(uint8_t))) {
118         *output = (uint8_t) _mm_cvtsi128_si32(vout0123456701234567);
119       }
120     }
121   }
122 }
123