1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-vadd/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_vadd_minmax_ukernel__neon_ld64_x32(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_vadd_minmax_ukernel__neon_ld64_x32(
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 int8x8_t vb_zero_point = vld1_dup_s8(¶ms->neon.b_zero_point);
26 const int32x4_t va_multiplier = vld1q_dup_s32(¶ms->neon.a_multiplier);
27 const int32x4_t vb_multiplier = vld1q_dup_s32(¶ms->neon.b_multiplier);
28 const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift);
29 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point);
30 const int8x16_t voutput_min = vld1q_dup_s8(¶ms->neon.output_min);
31 const int8x16_t voutput_max = vld1q_dup_s8(¶ms->neon.output_max);
32
33 for (; n >= 32 * sizeof(int8_t); n -= 32 * sizeof(int8_t)) {
34 const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
35 const int8x8_t vb01234567 = vld1_s8(input_b); input_b += 8;
36 const int8x8_t va89ABCDEF = vld1_s8(input_a); input_a += 8;
37 const int8x8_t vb89ABCDEF = vld1_s8(input_b); input_b += 8;
38 const int8x8_t vaGHIJKLMN = vld1_s8(input_a); input_a += 8;
39 const int8x8_t vbGHIJKLMN = vld1_s8(input_b); input_b += 8;
40 const int8x8_t vaOPQRSTUV = vld1_s8(input_a); input_a += 8;
41 const int8x8_t vbOPQRSTUV = vld1_s8(input_b); input_b += 8;
42
43 const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
44 const int16x8_t vxb01234567 = vsubl_s8(vb01234567, vb_zero_point);
45 const int16x8_t vxa89ABCDEF = vsubl_s8(va89ABCDEF, va_zero_point);
46 const int16x8_t vxb89ABCDEF = vsubl_s8(vb89ABCDEF, vb_zero_point);
47 const int16x8_t vxaGHIJKLMN = vsubl_s8(vaGHIJKLMN, va_zero_point);
48 const int16x8_t vxbGHIJKLMN = vsubl_s8(vbGHIJKLMN, vb_zero_point);
49 const int16x8_t vxaOPQRSTUV = vsubl_s8(vaOPQRSTUV, va_zero_point);
50 const int16x8_t vxbOPQRSTUV = vsubl_s8(vbOPQRSTUV, vb_zero_point);
51
52 int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
53 int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
54 int32x4_t vacc89AB = vmulq_s32(vmovl_s16(vget_low_s16(vxa89ABCDEF)), va_multiplier);
55 int32x4_t vaccCDEF = vmulq_s32(vmovl_s16(vget_high_s16(vxa89ABCDEF)), va_multiplier);
56 int32x4_t vaccGHIJ = vmulq_s32(vmovl_s16(vget_low_s16(vxaGHIJKLMN)), va_multiplier);
57 int32x4_t vaccKLMN = vmulq_s32(vmovl_s16(vget_high_s16(vxaGHIJKLMN)), va_multiplier);
58 int32x4_t vaccOPQR = vmulq_s32(vmovl_s16(vget_low_s16(vxaOPQRSTUV)), va_multiplier);
59 int32x4_t vaccSTUV = vmulq_s32(vmovl_s16(vget_high_s16(vxaOPQRSTUV)), va_multiplier);
60
61 vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vxb01234567)), vb_multiplier);
62 vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vxb01234567)), vb_multiplier);
63 vacc89AB = vmlaq_s32(vacc89AB, vmovl_s16(vget_low_s16(vxb89ABCDEF)), vb_multiplier);
64 vaccCDEF = vmlaq_s32(vaccCDEF, vmovl_s16(vget_high_s16(vxb89ABCDEF)), vb_multiplier);
65 vaccGHIJ = vmlaq_s32(vaccGHIJ, vmovl_s16(vget_low_s16(vxbGHIJKLMN)), vb_multiplier);
66 vaccKLMN = vmlaq_s32(vaccKLMN, vmovl_s16(vget_high_s16(vxbGHIJKLMN)), vb_multiplier);
67 vaccOPQR = vmlaq_s32(vaccOPQR, vmovl_s16(vget_low_s16(vxbOPQRSTUV)), vb_multiplier);
68 vaccSTUV = vmlaq_s32(vaccSTUV, vmovl_s16(vget_high_s16(vxbOPQRSTUV)), vb_multiplier);
69
70 vacc0123 = vrshlq_s32(vacc0123, vright_shift);
71 vacc4567 = vrshlq_s32(vacc4567, vright_shift);
72 vacc89AB = vrshlq_s32(vacc89AB, vright_shift);
73 vaccCDEF = vrshlq_s32(vaccCDEF, vright_shift);
74 vaccGHIJ = vrshlq_s32(vaccGHIJ, vright_shift);
75 vaccKLMN = vrshlq_s32(vaccKLMN, vright_shift);
76 vaccOPQR = vrshlq_s32(vaccOPQR, vright_shift);
77 vaccSTUV = vrshlq_s32(vaccSTUV, vright_shift);
78
79 const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
80 const int16x8_t vacc89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF)), voutput_zero_point);
81 const int16x8_t vaccGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN)), voutput_zero_point);
82 const int16x8_t vaccOPQRSTUV = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccOPQR), vqmovn_s32(vaccSTUV)), voutput_zero_point);
83
84 int8x16_t vout0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc01234567), vqmovn_s16(vacc89ABCDEF));
85 int8x16_t voutGHIJKLMNOPQRSTUV = vcombine_s8(vqmovn_s16(vaccGHIJKLMN), vqmovn_s16(vaccOPQRSTUV));
86
87 vout0123456789ABCDEF = vmaxq_s8(vout0123456789ABCDEF, voutput_min);
88 voutGHIJKLMNOPQRSTUV = vmaxq_s8(voutGHIJKLMNOPQRSTUV, voutput_min);
89
90 vout0123456789ABCDEF = vminq_s8(vout0123456789ABCDEF, voutput_max);
91 voutGHIJKLMNOPQRSTUV = vminq_s8(voutGHIJKLMNOPQRSTUV, voutput_max);
92
93 vst1q_s8(output, vout0123456789ABCDEF); output += 16;
94 vst1q_s8(output, voutGHIJKLMNOPQRSTUV); output += 16;
95 }
96 if XNN_UNLIKELY(n != 0) {
97 do {
98 const int8x8_t va01234567 = vld1_s8(input_a); input_a += 8;
99 const int8x8_t vb01234567 = vld1_s8(input_b); input_b += 8;
100
101 const int16x8_t vxa01234567 = vsubl_s8(va01234567, va_zero_point);
102 const int16x8_t vxb01234567 = vsubl_s8(vb01234567, vb_zero_point);
103
104 int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vxa01234567)), va_multiplier);
105 int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vxa01234567)), va_multiplier);
106
107 vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vxb01234567)), vb_multiplier);
108 vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vxb01234567)), vb_multiplier);
109
110 vacc0123 = vrshlq_s32(vacc0123, vright_shift);
111 vacc4567 = vrshlq_s32(vacc4567, vright_shift);
112
113 const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
114
115 int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
116 vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min));
117 vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max));
118
119 if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
120 vst1_s8(output, vout01234567); output += 8;
121 n -= 8 * sizeof(int8_t);
122 } else {
123 if (n & (4 * sizeof(int8_t))) {
124 vst1_lane_u32((void*) output, vreinterpret_u32_s8(vout01234567), 0); output += 4;
125 vout01234567 = vext_s8(vout01234567, vout01234567, 4);
126 }
127 if (n & (2 * sizeof(int8_t))) {
128 vst1_lane_u16((void*) output, vreinterpret_u16_s8(vout01234567), 0); output += 2;
129 vout01234567 = vext_s8(vout01234567, vout01234567, 2);
130 }
131 if (n & (1 * sizeof(int8_t))) {
132 vst1_lane_s8(output, vout01234567, 0);
133 }
134 n = 0;
135 }
136 } while (n != 0);
137 }
138 }
139