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/unaligned.h>
15 #include <xnnpack/vadd.h>
16
17
xnn_qs8_vadd_minmax_ukernel__sse2_mul16_ld64_x8(size_t n,const int8_t * input_a,const int8_t * input_b,int8_t * output,const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_vadd_minmax_ukernel__sse2_mul16_ld64_x8(
19 size_t n,
20 const int8_t* input_a,
21 const int8_t* input_b,
22 int8_t* output,
23 const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24 {
25 const __m128i vbias = _mm_load_si128((const __m128i*) params->sse2.bias);
26 const __m128i va_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.a_multiplier_lo);
27 const __m128i va_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.a_multiplier_hi);
28 const __m128i vb_multiplier_lo = _mm_load_si128((const __m128i*) params->sse2.b_multiplier_lo);
29 const __m128i vb_multiplier_hi = _mm_load_si128((const __m128i*) params->sse2.b_multiplier_hi);
30 const __m128i vshift = _mm_cvtsi32_si128((int) params->sse2.shift);
31 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
32 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse2.output_min);
33 const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse2.output_max);
34
35 for (; n >= 8 * sizeof(int8_t); n -= 8 * sizeof(int8_t)) {
36 __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
37 __m128i vb01234567 = _mm_loadl_epi64((const __m128i*) input_b);
38 input_a += 8;
39 input_b += 8;
40
41 va01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(va01234567, va01234567), 8);
42 vb01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(vb01234567, vb01234567), 8);
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 vaprod01234567hi = _mm_sub_epi16(vaprod01234567hi, _mm_and_si128(_mm_srai_epi16(va01234567, 15), va_multiplier_lo));
53 vbprod01234567hi = _mm_sub_epi16(vbprod01234567hi, _mm_and_si128(_mm_srai_epi16(vb01234567, 15), vb_multiplier_lo));
54
55 __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
56 __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
57
58 vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vbprod01234567lo, vbprod01234567hi));
59 vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vbprod01234567lo, vbprod01234567hi));
60
61 vacc0123 = _mm_sra_epi32(vacc0123, vshift);
62 vacc4567 = _mm_sra_epi32(vacc4567, vshift);
63
64 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
65
66 vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
67
68 vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
69
70 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
71
72
73 _mm_storel_epi64((__m128i*) output, vout0123456701234567);
74 output += 8;
75 }
76 if XNN_UNLIKELY(n != 0) {
77 {
78 __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
79 __m128i vb01234567 = _mm_loadl_epi64((const __m128i*) input_b);
80
81 va01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(va01234567, va01234567), 8);
82 vb01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(vb01234567, vb01234567), 8);
83
84 __m128i vaprod01234567hi = _mm_mulhi_epu16(va01234567, va_multiplier_lo);
85 __m128i vbprod01234567hi = _mm_mulhi_epu16(vb01234567, vb_multiplier_lo);
86 const __m128i vaprod01234567lo = _mm_mullo_epi16(va01234567, va_multiplier_lo);
87 const __m128i vbprod01234567lo = _mm_mullo_epi16(vb01234567, vb_multiplier_lo);
88
89 vaprod01234567hi = _mm_add_epi16(vaprod01234567hi, _mm_mullo_epi16(va01234567, va_multiplier_hi));
90 vbprod01234567hi = _mm_add_epi16(vbprod01234567hi, _mm_mullo_epi16(vb01234567, vb_multiplier_hi));
91
92 vaprod01234567hi = _mm_sub_epi16(vaprod01234567hi, _mm_and_si128(_mm_srai_epi16(va01234567, 15), va_multiplier_lo));
93 vbprod01234567hi = _mm_sub_epi16(vbprod01234567hi, _mm_and_si128(_mm_srai_epi16(vb01234567, 15), vb_multiplier_lo));
94
95 __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
96 __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
97
98 vacc0123 = _mm_add_epi32(vacc0123, _mm_unpacklo_epi16(vbprod01234567lo, vbprod01234567hi));
99 vacc4567 = _mm_add_epi32(vacc4567, _mm_unpackhi_epi16(vbprod01234567lo, vbprod01234567hi));
100
101 vacc0123 = _mm_sra_epi32(vacc0123, vshift);
102 vacc4567 = _mm_sra_epi32(vacc4567, vshift);
103
104 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
105 vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
106 vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
107
108 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
109
110 if (n & (4 * sizeof(int8_t))) {
111 unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
112 vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
113 output += 4;
114 }
115 if (n & (2 * sizeof(int8_t))) {
116 unaligned_store_u16(output, (uint16_t) _mm_cvtsi128_si32(vout0123456701234567));
117 vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
118 output += 2;
119 }
120 if (n & (1 * sizeof(int8_t))) {
121 *output = (int8_t) _mm_cvtsi128_si32(vout0123456701234567);
122 }
123 }
124 }
125 }
126