xref: /aosp_15_r20/external/XNNPACK/src/qc8-igemm/gen/2x4c2s4-minmax-fp32-sse2-ld64.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-igemm/MRx4c2s4-sse.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2022 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/igemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17 
18 
xnn_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__sse2_ld64(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qc8_igemm_minmax_fp32_ukernel_2x4c2s4__sse2_ld64(
20     size_t mr,
21     size_t nc,
22     size_t kc,
23     size_t ks,
24     const int8_t** restrict a,
25     const void* restrict w,
26     int8_t* restrict c,
27     size_t cm_stride,
28     size_t cn_stride,
29     size_t a_offset,
30     const int8_t* zero,
31     const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
32 {
33   assert(mr != 0);
34   assert(mr <= 2);
35   assert(nc != 0);
36   assert(kc != 0);
37   assert(ks != 0);
38   assert(ks % (2 * sizeof(void*)) == 0);
39   assert(a_offset % sizeof(int8_t) == 0);
40   assert(a != NULL);
41   assert(w != NULL);
42   assert(c != NULL);
43 
44   kc = round_up_po2(kc, 8 * sizeof(int8_t));
45   int8_t* c0 = c;
46   int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
47   if XNN_UNPREDICTABLE(mr != 2) {
48     c1 = c0;
49   }
50 
51   do {
52     __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
53     __m128i vacc1x0123 = vacc0x0123;
54     w = (const void*) ((const int32_t*) w + 4);
55 
56     size_t p = ks;
57     do {
58       const int8_t* restrict a0 = a[0];
59       if XNN_UNPREDICTABLE(a0 != zero) {
60         a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
61       }
62       const int8_t* restrict a1 = a[1];
63       if XNN_UNPREDICTABLE(a1 != zero) {
64         a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
65       }
66       a += 2;
67 
68       size_t k = kc;
69       do {
70         const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
71         __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
72         a0 += 8;
73         const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
74         __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
75         a1 += 8;
76 
77         const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
78         const __m128i vxb0 = _mm_srai_epi16(_mm_unpacklo_epi8(vb0, vb0), 8);
79 
80         vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
81         vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
82         vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
83         vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
84         const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
85         const __m128i vxb1 = _mm_srai_epi16(_mm_unpacklo_epi8(vb1, vb1), 8);
86 
87         vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
88         vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
89         vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
90         vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
91         const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
92         const __m128i vxb2 = _mm_srai_epi16(_mm_unpacklo_epi8(vb2, vb2), 8);
93 
94         vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
95         vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
96         vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
97         vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
98         const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
99         const __m128i vxb3 = _mm_srai_epi16(_mm_unpacklo_epi8(vb3, vb3), 8);
100 
101         vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
102         vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
103 
104         w = (const void*) ((const int8_t*) w + 32);
105         k -= 8 * sizeof(int8_t);
106       } while (k != 0);
107       p -= 2 * sizeof(void*);
108     } while (p != 0);
109 
110     __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
111     __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
112 
113     const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
114     w = (const void*) ((const float*) w + 4);
115     vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
116     vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
117 
118     const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
119     vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
120     vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
121 
122     vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
123     vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
124 
125     const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
126     __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
127 
128     const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
129     vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
130 
131     __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
132 
133 
134     if (nc >= 4) {
135       unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(1, 1, 1, 1))));
136       c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
137       unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
138       c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
139 
140       a = (const int8_t**restrict) ((uintptr_t) a - ks);
141 
142       nc -= 4;
143     } else {
144       if (nc & 2) {
145         unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
146         c1 += 2;
147         unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
148         c0 += 2;
149         vout = _mm_srli_epi32(vout, 16);
150       }
151       if (nc & 1) {
152         *c1 = (int8_t) _mm_extract_epi16(vout, 2);
153         *c0 = (int8_t) _mm_cvtsi128_si32(vout);
154       }
155 
156       nc = 0;
157     }
158   } while (nc != 0);
159 }
160