1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-vaddc/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 <smmintrin.h>
13
14 #include <xnnpack/vaddsub.h>
15
16
xnn_qs8_vaddc_minmax_ukernel__sse41_mul16_ld64_x16(size_t n,const int8_t * input_a,const int8_t * input_b,int8_t * output,const union xnn_qs8_addsub_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qs8_vaddc_minmax_ukernel__sse41_mul16_ld64_x16(
18 size_t n,
19 const int8_t* input_a,
20 const int8_t* input_b,
21 int8_t* output,
22 const union xnn_qs8_addsub_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 const __m128i vbias = _mm_add_epi32(
25 _mm_shuffle_epi32(_mm_cvtsi32_si128(params->sse4_mul16.b_multiplier * (int32_t) *input_b), _MM_SHUFFLE(0, 0, 0, 0)),
26 _mm_load_si128((const __m128i*) params->sse4_mul16.bias));
27 const __m128i va_multiplier_lo = _mm_load_si128((const __m128i*) params->sse4_mul16.a_multiplier_lo);
28 const __m128i va_multiplier_hi = _mm_load_si128((const __m128i*) params->sse4_mul16.a_multiplier_hi);
29 const __m128i vshift = _mm_cvtsi32_si128((int) params->sse4_mul16.shift);
30 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4_mul16.output_zero_point);
31 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse4_mul16.output_min);
32 const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse4_mul16.output_max);
33
34 for (; n >= 16 * sizeof(int8_t); n -= 16 * sizeof(int8_t)) {
35 const __m128i va01234567 = _mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
36 const __m128i va89ABCDEF = _mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) (input_a + 8)));
37 input_a += 16;
38
39
40 __m128i vaprod01234567hi = _mm_mulhi_epu16(va01234567, va_multiplier_lo);
41 const __m128i vaprod01234567lo = _mm_mullo_epi16(va01234567, va_multiplier_lo);
42 __m128i vaprod89ABCDEFhi = _mm_mulhi_epu16(va89ABCDEF, va_multiplier_lo);
43 const __m128i vaprod89ABCDEFlo = _mm_mullo_epi16(va89ABCDEF, va_multiplier_lo);
44
45 vaprod01234567hi = _mm_add_epi16(vaprod01234567hi, _mm_mullo_epi16(va01234567, va_multiplier_hi));
46 vaprod89ABCDEFhi = _mm_add_epi16(vaprod89ABCDEFhi, _mm_mullo_epi16(va89ABCDEF, va_multiplier_hi));
47
48 vaprod01234567hi = _mm_sub_epi16(vaprod01234567hi, _mm_and_si128(_mm_srai_epi16(va01234567, 15), va_multiplier_lo));
49 vaprod89ABCDEFhi = _mm_sub_epi16(vaprod89ABCDEFhi, _mm_and_si128(_mm_srai_epi16(va89ABCDEF, 15), va_multiplier_lo));
50
51 __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
52 __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
53 __m128i vacc89AB = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod89ABCDEFlo, vaprod89ABCDEFhi));
54 __m128i vaccCDEF = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod89ABCDEFlo, vaprod89ABCDEFhi));
55
56 vacc0123 = _mm_sra_epi32(vacc0123, vshift);
57 vacc4567 = _mm_sra_epi32(vacc4567, vshift);
58 vacc89AB = _mm_sra_epi32(vacc89AB, vshift);
59 vaccCDEF = _mm_sra_epi32(vaccCDEF, vshift);
60
61 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
62 __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
63
64
65 __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
66
67 vout0123456789ABCDEF = _mm_max_epi8(vout0123456789ABCDEF, voutput_min);
68
69 vout0123456789ABCDEF = _mm_min_epi8(vout0123456789ABCDEF, voutput_max);
70
71 _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
72 output += 16;
73 }
74 if XNN_UNLIKELY(n != 0) {
75 do {
76 const __m128i va01234567 = _mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
77 input_a += 8;
78
79
80 __m128i vaprod01234567hi = _mm_mulhi_epu16(va01234567, va_multiplier_lo);
81 const __m128i vaprod01234567lo = _mm_mullo_epi16(va01234567, va_multiplier_lo);
82
83 vaprod01234567hi = _mm_add_epi16(vaprod01234567hi, _mm_mullo_epi16(va01234567, va_multiplier_hi));
84
85 vaprod01234567hi = _mm_sub_epi16(vaprod01234567hi, _mm_and_si128(_mm_srai_epi16(va01234567, 15), va_multiplier_lo));
86
87 __m128i vacc0123 = _mm_add_epi32(vbias, _mm_unpacklo_epi16(vaprod01234567lo, vaprod01234567hi));
88 __m128i vacc4567 = _mm_add_epi32(vbias, _mm_unpackhi_epi16(vaprod01234567lo, vaprod01234567hi));
89
90 vacc0123 = _mm_sra_epi32(vacc0123, vshift);
91 vacc4567 = _mm_sra_epi32(vacc4567, vshift);
92
93 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
94
95 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
96 vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);
97 vout0123456701234567 = _mm_min_epi8(vout0123456701234567, voutput_max);
98
99 if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
100 _mm_storel_epi64((__m128i*) output, vout0123456701234567);
101 output += 8;
102 n -= 8 * sizeof(int8_t);
103 } else {
104 if (n & (4 * sizeof(int8_t))) {
105 *((uint32_t*) output) = (uint32_t) _mm_cvtsi128_si32(vout0123456701234567);
106 vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
107 output += 4;
108 }
109 if (n & (2 * sizeof(int8_t))) {
110 *((uint16_t*) output) = (uint16_t) _mm_extract_epi16(vout0123456701234567, 0);
111 vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
112 output += 2;
113 }
114 if (n & (1 * sizeof(int8_t))) {
115 *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
116 }
117 n = 0;
118 }
119 } while (n != 0);
120 }
121 }
122