xref: /aosp_15_r20/external/XNNPACK/src/qu8-vaddc/gen/minmax-sse41-mul32-ld32-x16.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-vaddc/sse-mul32-ld32.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 <immintrin.h>
13 
14 #include <xnnpack/intrinsics-polyfill.h>
15 #include <xnnpack/unaligned.h>
16 #include <xnnpack/vadd.h>
17 
18 
xnn_qu8_vaddc_minmax_ukernel__sse41_mul32_ld32_x16(size_t n,const uint8_t * input_a,const uint8_t * input_b,uint8_t * output,const union xnn_qu8_add_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qu8_vaddc_minmax_ukernel__sse41_mul32_ld32_x16(
20     size_t n,
21     const uint8_t* input_a,
22     const uint8_t* input_b,
23     uint8_t* output,
24     const union xnn_qu8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26   const __m128i va_multiplier = _mm_load_si128((const __m128i*) params->sse4.a_multiplier);
27   const __m128i vshift = _mm_load_si128((const __m128i*) params->sse4.shift);
28   const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point);
29   const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse4.output_min);
30   const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse4.output_max);
31 
32   __m128i vbias = _mm_cvtsi32_si128(params->sse4.b_multiplier[0] * (int32_t) *input_b);
33   vbias = _mm_shuffle_epi32(vbias, _MM_SHUFFLE(0, 0, 0, 0));
34   vbias = _mm_add_epi32(vbias, _mm_load_si128((const __m128i*) params->sse4.bias));
35   for (; n >= 16 * sizeof(uint8_t); n -= 16 * sizeof(uint8_t)) {
36     const __m128i va0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a)));
37     const __m128i va4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 4)));
38     const __m128i va89AB = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 8)));
39     const __m128i vaCDEF = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 12)));
40     input_a += 16;
41     input_b += 16;
42 
43     __m128i vacc0123 = _mm_add_epi32(vbias, _mm_mullo_epi32(va0123, va_multiplier));
44     __m128i vacc4567 = _mm_add_epi32(vbias, _mm_mullo_epi32(va4567, va_multiplier));
45     __m128i vacc89AB = _mm_add_epi32(vbias, _mm_mullo_epi32(va89AB, va_multiplier));
46     __m128i vaccCDEF = _mm_add_epi32(vbias, _mm_mullo_epi32(vaCDEF, va_multiplier));
47 
48     vacc0123 = _mm_sra_epi32(vacc0123, vshift);
49     vacc4567 = _mm_sra_epi32(vacc4567, vshift);
50     vacc89AB = _mm_sra_epi32(vacc89AB, vshift);
51     vaccCDEF = _mm_sra_epi32(vaccCDEF, vshift);
52 
53     const __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
54     const __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
55 
56     __m128i vout0123456789ABCDEF = _mm_packus_epi16(vout01234567, vout89ABCDEF);
57 
58     vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, voutput_min);
59 
60     vout0123456789ABCDEF = _mm_min_epu8(vout0123456789ABCDEF, voutput_max);
61 
62     _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
63     output += 16;
64   }
65   if XNN_UNLIKELY(n != 0) {
66     do {
67       const __m128i va0123 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a)));
68       const __m128i va4567 = _mm_cvtepu8_epi32(_mm_cvtsi32_si128((int) unaligned_load_s32(input_a + 4)));
69       input_a += 8;
70 
71       __m128i vacc0123 = _mm_add_epi32(vbias, _mm_mullo_epi32(va0123, va_multiplier));
72       __m128i vacc4567 = _mm_add_epi32(vbias, _mm_mullo_epi32(va4567, va_multiplier));
73 
74       vacc0123 = _mm_sra_epi32(vacc0123, vshift);
75       vacc4567 = _mm_sra_epi32(vacc4567, vshift);
76 
77       const __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
78 
79       __m128i vout0123456701234567 = _mm_packus_epi16(vout01234567, vout01234567);
80       vout0123456701234567 = _mm_max_epu8(vout0123456701234567, voutput_min);
81       vout0123456701234567 = _mm_min_epu8(vout0123456701234567, voutput_max);
82 
83       if XNN_LIKELY(n >= (8 * sizeof(uint8_t))) {
84         _mm_storel_epi64((__m128i*) output, vout0123456701234567);
85         output += 8;
86         n -= 8 * sizeof(uint8_t);
87       } else {
88         if (n & (4 * sizeof(uint8_t))) {
89           unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
90           vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
91           output += 4;
92         }
93         if (n & (2 * sizeof(uint8_t))) {
94           unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
95           vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
96           output += 2;
97         }
98         if (n & (1 * sizeof(uint8_t))) {
99           *output = (uint8_t) _mm_extract_epi8(vout0123456701234567, 0);
100         }
101         n = 0;
102       }
103     } while (n != 0);
104   }
105 }
106