1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-vmulc/sse-mul16-ld64.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2021 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 <smmintrin.h>
13
14 #include <xnnpack/unaligned.h>
15 #include <xnnpack/vmul.h>
16
17
xnn_qs8_vmulc_minmax_fp32_ukernel__sse41_mul16_ld64_x8(size_t n,const int8_t * input_a,const int8_t * input_b,int8_t * output,const union xnn_qs8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_vmulc_minmax_fp32_ukernel__sse41_mul16_ld64_x8(
19 size_t n,
20 const int8_t* input_a,
21 const int8_t* input_b,
22 int8_t* output,
23 const union xnn_qs8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24
25 {
26 const __m128i va_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.a_zero_point);
27 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
28 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
29 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse4.output_min);
30 const __m128i voutput_max = _mm_load_si128((const __m128i*) params->fp32_sse4.output_max);
31
32 __m128i vxb = _mm_sub_epi16(
33 _mm_shuffle_epi32(_mm_cvtsi32_si128(UINT32_C(0x00010001) * (uint32_t) (uint16_t) (int16_t) *input_b), 0),
34 _mm_load_si128((const __m128i*) params->fp32_sse4.b_zero_point));
35 for (; n >= 8 * sizeof(int8_t); n -= 8 * sizeof(int8_t)) {
36 const __m128i va01234567 = _mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
37 input_a += 8;
38
39
40 const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
41
42 const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb);
43 const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb);
44
45 const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
46 const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
47
48 __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
49 __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
50
51 vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
52 vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
53
54 const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
55 const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
56
57 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
58
59
60 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
61
62 vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);
63
64 vout0123456701234567 = _mm_min_epi8(vout0123456701234567, voutput_max);
65
66 _mm_storel_epi64((__m128i*) output, vout0123456701234567);
67 output += 8;
68 }
69 if XNN_UNLIKELY(n != 0) {
70 {
71 const __m128i va01234567 = _mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) input_a));
72
73
74 const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
75
76 const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb);
77 const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb);
78
79 const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
80 const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
81
82 __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
83 __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
84
85 vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
86 vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
87
88 const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
89 const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
90
91 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
92
93 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
94 vout0123456701234567 = _mm_max_epi8(vout0123456701234567, voutput_min);
95 vout0123456701234567 = _mm_min_epi8(vout0123456701234567, voutput_max);
96
97 if (n & (4 * sizeof(int8_t))) {
98 unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
99 vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
100 output += 4;
101 }
102 if (n & (2 * sizeof(int8_t))) {
103 unaligned_store_u16(output, (uint16_t) _mm_extract_epi16(vout0123456701234567, 0));
104 vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
105 output += 2;
106 }
107 if (n & (1 * sizeof(int8_t))) {
108 *output = (int8_t) _mm_extract_epi8(vout0123456701234567, 0);
109 }
110 }
111 }
112 }
113