1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c2-sse.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 #if defined(__GNUC__) || defined(__clang__)
13 #include <x86intrin.h>
14 #else
15 #include <immintrin.h>
16 #include <ammintrin.h>
17 #endif
18
19 #include <xnnpack/gemm.h>
20 #include <xnnpack/math.h>
21 #include <xnnpack/unaligned.h>
22
23
24
xnn_qs8_gemm_xw_minmax_fp32_ukernel_1x4c2__xop(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])25 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_1x4c2__xop(
26 size_t mr,
27 size_t nc,
28 size_t kc,
29 const int8_t* restrict a,
30 size_t a_stride,
31 const void* restrict w,
32 int8_t* restrict c,
33 size_t cm_stride,
34 size_t cn_stride,
35 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
36 {
37 assert(mr != 0);
38 assert(mr <= 1);
39 assert(nc != 0);
40 assert(kc != 0);
41 assert(kc % sizeof(int8_t) == 0);
42 assert(a != NULL);
43 assert(w != NULL);
44 assert(c != NULL);
45
46 kc = round_up_po2(kc, 2 * sizeof(int8_t));
47 const int8_t* a0 = a;
48 int8_t* c0 = c;
49
50 do {
51 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
52 w = (const void*) ((const int32_t*) w + 4);
53
54 size_t k = kc;
55 while (k >= 8 * sizeof(int8_t)) {
56 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
57 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
58 a0 += 8;
59
60 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
61
62 vacc0x0123 = _mm_maddd_epi16(
63 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
64 const __m128i vxb1 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 8));
65
66 vacc0x0123 = _mm_maddd_epi16(
67 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
68 const __m128i vxb2 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 16));
69
70 vacc0x0123 = _mm_maddd_epi16(
71 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
72 const __m128i vxb3 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 24));
73
74 vacc0x0123 = _mm_maddd_epi16(
75 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc0x0123);
76
77 w = (const void*) ((const int16_t*) w + 32);
78 k -= 8 * sizeof(int8_t);
79 }
80 if (k != 0) {
81 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
82 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
83 a0 = (const int8_t*) ((uintptr_t) a0 + k);
84
85 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
86 w = (const void*) ((const int16_t*) w + 8);
87
88 vacc0x0123 = _mm_maddd_epi16(
89 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123);
90
91 if (k > 2 * sizeof(int8_t)) {
92 const __m128i vxb1 = _mm_load_si128((const __m128i*) w);
93 w = (const void*) ((const int16_t*) w + 8);
94
95 vacc0x0123 = _mm_maddd_epi16(
96 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123);
97
98 if (k > 4 * sizeof(int8_t)) {
99 const __m128i vxb2 = _mm_load_si128((const __m128i*) w);
100 w = (const void*) ((const int16_t*) w + 8);
101
102 vacc0x0123 = _mm_maddd_epi16(
103 _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123);
104 }
105 }
106 }
107
108 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
109
110 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
111 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
112
113 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
114 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
115
116 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
117
118 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
119 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
120
121
122 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
123
124 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
125
126 if (nc >= 4) {
127 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
128
129 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
130
131 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
132
133 nc -= 4;
134 } else {
135 if (nc & 2) {
136 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
137 c0 += 2;
138 vout = _mm_srli_epi32(vout, 16);
139 }
140 if (nc & 1) {
141 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
142 }
143
144 nc = 0;
145 }
146 } while (nc != 0);
147 }
148