1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c8-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
22
xnn_qs8_gemm_minmax_fp32_ukernel_1x4c8__xop_ld64(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)])23 void xnn_qs8_gemm_minmax_fp32_ukernel_1x4c8__xop_ld64(
24 size_t mr,
25 size_t nc,
26 size_t kc,
27 const int8_t* restrict a,
28 size_t a_stride,
29 const void* restrict w,
30 int8_t* restrict c,
31 size_t cm_stride,
32 size_t cn_stride,
33 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
34 {
35 assert(mr != 0);
36 assert(mr <= 1);
37 assert(nc != 0);
38 assert(kc != 0);
39 assert(kc % sizeof(int8_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 kc = round_up_po2(kc, 8);
45 const int8_t* a0 = a;
46 int8_t* c0 = c;
47
48 do {
49 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
50 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
51 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
52 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
53 w = (const void*) ((const int32_t*) w + 4);
54
55 size_t k = 0;
56 while (k < kc) {
57 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
58 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
59 a0 += 8;
60
61 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
62 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
63
64 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
65 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
66 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
67
68 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
69 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
70 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
71
72 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
73 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
74 const __m128i vxb3 = _mm_cvtepi8_epi16(vb3);
75
76 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
77
78 w = (const void*) ((const int8_t*) w + 32);
79 k += 8 * sizeof(int8_t);
80 }
81
82 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
83 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
84
85 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
86
87 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
88
89 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
90 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
91
92 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
93 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
94
95 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
96
97 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
98 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
99
100
101 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
102
103 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
104
105 if (nc >= 4) {
106 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
107
108 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
109
110 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
111
112 nc -= 4;
113 } else {
114 if (nc & 2) {
115 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
116 c0 += 2;
117 vout = _mm_srli_epi32(vout, 16);
118 }
119 if (nc & 1) {
120 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
121 }
122
123 nc = 0;
124 }
125 } while (nc != 0);
126 }
127