1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-vaddc/neon.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 <arm_neon.h>
13
14 #include <xnnpack/vadd.h>
15
16
xnn_qs8_vaddc_minmax_ukernel__neon_ld64_x24(size_t n,const int8_t * input_a,const int8_t * input_b,int8_t * output,const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_qs8_vaddc_minmax_ukernel__neon_ld64_x24(
18 size_t n,
19 const int8_t* input_a,
20 const int8_t* input_b,
21 int8_t* output,
22 const union xnn_qs8_add_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
23 {
24 const int8x8_t va_zero_point = vld1_dup_s8(¶ms->neon.a_zero_point);
25 const int32x4_t va_multiplier = vld1q_dup_s32(¶ms->neon.a_multiplier);
26 const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift);
27 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point);
28 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min);
29 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max);
30
31 const int32_t vxb = (int32_t) *input_b - (int32_t) params->neon.b_zero_point;
32 const int32_t vb = params->neon.b_multiplier;
33 const int32x4_t vbias = vdupq_n_s32(vxb * vb);
34
35 for (; n >= 24 * sizeof(int8_t); n -= 24 * sizeof(int8_t)) {
36 const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
37 const int8x8_t va89ABCDEF = vld1_s8(input_a); input_a += 8;
38 const int8x8_t vaGHIJKLMN = vld1_s8(input_a); input_a += 8;
39
40 const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
41 const int16x8_t vxa89ABCDEF = vsubl_s8(va89ABCDEF, va_zero_point);
42 const int16x8_t vxaGHIJKLMN = vsubl_s8(vaGHIJKLMN, va_zero_point);
43
44 int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
45 int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
46 int32x4_t vacc89AB = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa89ABCDEF)), va_multiplier);
47 int32x4_t vaccCDEF = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa89ABCDEF)), va_multiplier);
48 int32x4_t vaccGHIJ = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxaGHIJKLMN)), va_multiplier);
49 int32x4_t vaccKLMN = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxaGHIJKLMN)), va_multiplier);
50
51 vacc0123 = vrshlq_s32(vacc0123, vright_shift);
52 vacc4567 = vrshlq_s32(vacc4567, vright_shift);
53 vacc89AB = vrshlq_s32(vacc89AB, vright_shift);
54 vaccCDEF = vrshlq_s32(vaccCDEF, vright_shift);
55 vaccGHIJ = vrshlq_s32(vaccGHIJ, vright_shift);
56 vaccKLMN = vrshlq_s32(vaccKLMN, vright_shift);
57
58 const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
59 const int16x8_t vacc89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF)), voutput_zero_point);
60 const int16x8_t vaccGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN)), voutput_zero_point);
61
62 int8x16_t vout0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc01234567), vqmovn_s16(vacc89ABCDEF));
63 int8x8_t voutGHIJKLMN = vqmovn_s16(vaccGHIJKLMN);
64
65 vout0123456789ABCDEF = vmaxq_s8(vout0123456789ABCDEF, voutput_min);
66 voutGHIJKLMN = vmax_s8(voutGHIJKLMN, vget_low_s8(voutput_min));
67
68 vout0123456789ABCDEF = vminq_s8(vout0123456789ABCDEF, voutput_max);
69 voutGHIJKLMN = vmin_s8(voutGHIJKLMN, vget_low_s8(voutput_max));
70
71 vst1q_s8(output, vout0123456789ABCDEF); output += 16;
72 vst1_s8(output, voutGHIJKLMN); output += 8;
73 }
74 if XNN_UNLIKELY(n != 0) {
75 do {
76 const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
77
78 const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
79
80 int32x4_t vacc0123 = vmlaq_s32(vbias, vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
81 int32x4_t vacc4567 = vmlaq_s32(vbias, vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
82
83 vacc0123 = vrshlq_s32(vacc0123, vright_shift);
84 vacc4567 = vrshlq_s32(vacc4567, vright_shift);
85
86 const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
87
88 int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
89 vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min));
90 vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max));
91
92 if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
93 vst1_s8(output, vout01234567); output += 8;
94 n -= 8 * sizeof(int8_t);
95 } else {
96 if (n & (4 * sizeof(int8_t))) {
97 vst1_lane_u32((void*) output, vreinterpret_u32_s8(vout01234567), 0); output += 4;
98 vout01234567 = vext_s8(vout01234567, vout01234567, 4);
99 }
100 if (n & (2 * sizeof(int8_t))) {
101 vst1_lane_u16((void*) output, vreinterpret_u16_s8(vout01234567), 0); output += 2;
102 vout01234567 = vext_s8(vout01234567, vout01234567, 2);
103 }
104 if (n & (1 * sizeof(int8_t))) {
105 vst1_lane_s8(output, vout01234567, 0);
106 }
107 n = 0;
108 }
109 } while (n != 0);
110 }
111 }
112