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 #include <emmintrin.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17
18
19
xnn_qs8_gemm_xw_minmax_fp32_ukernel_1x4c2__sse2(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)])20 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_1x4c2__sse2(
21 size_t mr,
22 size_t nc,
23 size_t kc,
24 const int8_t* restrict a,
25 size_t a_stride,
26 const void* restrict w,
27 int8_t* restrict c,
28 size_t cm_stride,
29 size_t cn_stride,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 1);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(kc % sizeof(int8_t) == 0);
37 assert(a != NULL);
38 assert(w != NULL);
39 assert(c != NULL);
40
41 kc = round_up_po2(kc, 2 * sizeof(int8_t));
42 const int8_t* a0 = a;
43 int8_t* c0 = c;
44
45 do {
46 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
47 w = (const void*) ((const int32_t*) w + 4);
48
49 size_t k = kc;
50 while (k >= 8 * sizeof(int8_t)) {
51 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
52 const __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
53 a0 += 8;
54
55 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
56
57 vacc0x0123 = _mm_add_epi32(vacc0x0123,
58 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
59 const __m128i vxb1 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 8));
60
61 vacc0x0123 = _mm_add_epi32(vacc0x0123,
62 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
63 const __m128i vxb2 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 16));
64
65 vacc0x0123 = _mm_add_epi32(vacc0x0123,
66 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
67 const __m128i vxb3 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 24));
68
69 vacc0x0123 = _mm_add_epi32(vacc0x0123,
70 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
71
72 w = (const void*) ((const int16_t*) w + 32);
73 k -= 8 * sizeof(int8_t);
74 }
75 if (k != 0) {
76 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
77 const __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
78 a0 = (const int8_t*) ((uintptr_t) a0 + k);
79
80 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
81 w = (const void*) ((const int16_t*) w + 8);
82
83 vacc0x0123 = _mm_add_epi32(vacc0x0123,
84 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
85
86 if (k > 2 * sizeof(int8_t)) {
87 const __m128i vxb1 = _mm_load_si128((const __m128i*) w);
88 w = (const void*) ((const int16_t*) w + 8);
89
90 vacc0x0123 = _mm_add_epi32(vacc0x0123,
91 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
92
93 if (k > 4 * sizeof(int8_t)) {
94 const __m128i vxb2 = _mm_load_si128((const __m128i*) w);
95 w = (const void*) ((const int16_t*) w + 8);
96
97 vacc0x0123 = _mm_add_epi32(vacc0x0123,
98 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
99 }
100 }
101 }
102
103 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
104
105 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
106 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
107
108 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
109 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
110
111 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
112
113 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
114 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
115
116 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
117 vacc00x0123 = _mm_max_epi16(vacc00x0123, voutput_min);
118
119 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
120
121
122 if (nc >= 4) {
123 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
124
125 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
126
127 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
128
129 nc -= 4;
130 } else {
131 if (nc & 2) {
132 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
133 c0 += 2;
134 vout = _mm_srli_epi32(vout, 16);
135 }
136 if (nc & 1) {
137 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
138 }
139
140 nc = 0;
141 }
142 } while (nc != 0);
143 }
144