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 <emmintrin.h>
13
14 #include <xnnpack/unaligned.h>
15 #include <xnnpack/vmul.h>
16
17
xnn_qs8_vmulc_minmax_fp32_ukernel__sse2_mul16_ld64_x16(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__sse2_mul16_ld64_x16(
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_sse2.a_zero_point);
27 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
28 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
29 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
30 const __m128i voutput_max = _mm_load_si128((const __m128i*) params->fp32_sse2.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_sse2.b_zero_point));
35 for (; n >= 16 * sizeof(int8_t); n -= 16 * sizeof(int8_t)) {
36 __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
37 __m128i va89ABCDEF = _mm_loadl_epi64((const __m128i*) (input_a + 8));
38 input_a += 16;
39
40 va01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(va01234567, va01234567), 8);
41 va89ABCDEF = _mm_srai_epi16(_mm_unpacklo_epi8(va89ABCDEF, va89ABCDEF), 8);
42
43 const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
44 const __m128i vxa89ABCDEF = _mm_sub_epi16(va89ABCDEF, va_zero_point);
45
46 const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb);
47 const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb);
48 const __m128i vprod89ABCDEFlo = _mm_mullo_epi16(vxa89ABCDEF, vxb);
49 const __m128i vprod89ABCDEFhi = _mm_mulhi_epi16(vxa89ABCDEF, vxb);
50
51 const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
52 const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
53 const __m128i vprod89AB = _mm_unpacklo_epi16(vprod89ABCDEFlo, vprod89ABCDEFhi);
54 const __m128i vprodCDEF = _mm_unpackhi_epi16(vprod89ABCDEFlo, vprod89ABCDEFhi);
55
56 __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
57 __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
58 __m128 vfpacc89AB = _mm_cvtepi32_ps(vprod89AB);
59 __m128 vfpaccCDEF = _mm_cvtepi32_ps(vprodCDEF);
60
61 vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
62 vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
63 vfpacc89AB = _mm_mul_ps(vfpacc89AB, vscale);
64 vfpaccCDEF = _mm_mul_ps(vfpaccCDEF, vscale);
65
66 const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
67 const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
68 const __m128i vacc89AB = _mm_cvtps_epi32(vfpacc89AB);
69 const __m128i vaccCDEF = _mm_cvtps_epi32(vfpaccCDEF);
70
71 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
72 __m128i vout89ABCDEF = _mm_adds_epi16(_mm_packs_epi32(vacc89AB, vaccCDEF), voutput_zero_point);
73
74 vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
75 vout89ABCDEF = _mm_max_epi16(vout89ABCDEF, voutput_min);
76
77 vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
78 vout89ABCDEF = _mm_min_epi16(vout89ABCDEF, voutput_max);
79
80 __m128i vout0123456789ABCDEF = _mm_packs_epi16(vout01234567, vout89ABCDEF);
81
82
83 _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
84 output += 16;
85 }
86 if XNN_UNLIKELY(n != 0) {
87 do {
88 __m128i va01234567 = _mm_loadl_epi64((const __m128i*) input_a);
89 input_a += 8;
90
91 va01234567 = _mm_srai_epi16(_mm_unpacklo_epi8(va01234567, va01234567), 8);
92
93 const __m128i vxa01234567 = _mm_sub_epi16(va01234567, va_zero_point);
94
95 const __m128i vprod01234567lo = _mm_mullo_epi16(vxa01234567, vxb);
96 const __m128i vprod01234567hi = _mm_mulhi_epi16(vxa01234567, vxb);
97
98 const __m128i vprod0123 = _mm_unpacklo_epi16(vprod01234567lo, vprod01234567hi);
99 const __m128i vprod4567 = _mm_unpackhi_epi16(vprod01234567lo, vprod01234567hi);
100
101 __m128 vfpacc0123 = _mm_cvtepi32_ps(vprod0123);
102 __m128 vfpacc4567 = _mm_cvtepi32_ps(vprod4567);
103
104 vfpacc0123 = _mm_mul_ps(vfpacc0123, vscale);
105 vfpacc4567 = _mm_mul_ps(vfpacc4567, vscale);
106
107 const __m128i vacc0123 = _mm_cvtps_epi32(vfpacc0123);
108 const __m128i vacc4567 = _mm_cvtps_epi32(vfpacc4567);
109
110 __m128i vout01234567 = _mm_adds_epi16(_mm_packs_epi32(vacc0123, vacc4567), voutput_zero_point);
111 vout01234567 = _mm_max_epi16(vout01234567, voutput_min);
112 vout01234567 = _mm_min_epi16(vout01234567, voutput_max);
113
114 __m128i vout0123456701234567 = _mm_packs_epi16(vout01234567, vout01234567);
115
116 if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
117 _mm_storel_epi64((__m128i*) output, vout0123456701234567);
118 output += 8;
119 n -= 8 * sizeof(int8_t);
120 } else {
121 if (n & (4 * sizeof(int8_t))) {
122 unaligned_store_u32(output, (uint32_t) _mm_cvtsi128_si32(vout0123456701234567));
123 vout0123456701234567 = _mm_srli_epi64(vout0123456701234567, 32);
124 output += 4;
125 }
126 if (n & (2 * sizeof(int8_t))) {
127 unaligned_store_u16(output, (uint16_t) _mm_cvtsi128_si32(vout0123456701234567));
128 vout0123456701234567 = _mm_srli_epi32(vout0123456701234567, 16);
129 output += 2;
130 }
131 if (n & (1 * sizeof(int8_t))) {
132 *output = (int32_t) _mm_cvtsi128_si32(vout0123456701234567);
133 }
134 n = 0;
135 }
136 } while (n != 0);
137 }
138 }
139