1 // Auto-generated file. Do not edit!
2 //   Template: src/qs8-vadd/neon-ld64.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_x,const int8_t * input_y,int8_t * output,const union xnn_qs8_add_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_x,
20     const int8_t* input_y,
21     int8_t* output,
22     const union xnn_qs8_add_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24   const int8x8_t vx_zero_point = vld1_dup_s8(&params->neon.x_zero_point);
25   const int8x8_t vy_zero_point = vld1_dup_s8(&params->neon.y_zero_point);
26   const int32x4_t vx_multiplier = vld1q_dup_s32(&params->neon.x_multiplier);
27   const int32x4_t vy_multiplier = vld1q_dup_s32(&params->neon.y_multiplier);
28   const int32x4_t vright_shift = vld1q_dup_s32(&params->neon.right_shift);
29   const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0)));
30   const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->neon.output_zero_point);
31   const int8x16_t voutput_min = vld1q_dup_s8(&params->neon.output_min);
32   const int8x16_t voutput_max = vld1q_dup_s8(&params->neon.output_max);
33 
34   for (; n >= 32 * sizeof(int8_t); n -= 32 * sizeof(int8_t)) {
35     const int8x8_t vx01234567 = vld1_s8(input_x); input_x += 8;
36     const int8x8_t vy01234567 = vld1_s8(input_y); input_y += 8;
37     const int8x8_t vx89ABCDEF = vld1_s8(input_x); input_x += 8;
38     const int8x8_t vy89ABCDEF = vld1_s8(input_y); input_y += 8;
39     const int8x8_t vxGHIJKLMN = vld1_s8(input_x); input_x += 8;
40     const int8x8_t vyGHIJKLMN = vld1_s8(input_y); input_y += 8;
41     const int8x8_t vxOPQRSTUV = vld1_s8(input_x); input_x += 8;
42     const int8x8_t vyOPQRSTUV = vld1_s8(input_y); input_y += 8;
43 
44     const int16x8_t vex01234567 = vsubl_s8(vx01234567, vx_zero_point);
45     const int16x8_t vey01234567 = vsubl_s8(vy01234567, vy_zero_point);
46     const int16x8_t vex89ABCDEF = vsubl_s8(vx89ABCDEF, vx_zero_point);
47     const int16x8_t vey89ABCDEF = vsubl_s8(vy89ABCDEF, vy_zero_point);
48     const int16x8_t vexGHIJKLMN = vsubl_s8(vxGHIJKLMN, vx_zero_point);
49     const int16x8_t veyGHIJKLMN = vsubl_s8(vyGHIJKLMN, vy_zero_point);
50     const int16x8_t vexOPQRSTUV = vsubl_s8(vxOPQRSTUV, vx_zero_point);
51     const int16x8_t veyOPQRSTUV = vsubl_s8(vyOPQRSTUV, vy_zero_point);
52 
53     int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vex01234567)), vx_multiplier);
54     int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vex01234567)), vx_multiplier);
55     int32x4_t vacc89AB = vmulq_s32(vmovl_s16(vget_low_s16(vex89ABCDEF)), vx_multiplier);
56     int32x4_t vaccCDEF = vmulq_s32(vmovl_s16(vget_high_s16(vex89ABCDEF)), vx_multiplier);
57     int32x4_t vaccGHIJ = vmulq_s32(vmovl_s16(vget_low_s16(vexGHIJKLMN)), vx_multiplier);
58     int32x4_t vaccKLMN = vmulq_s32(vmovl_s16(vget_high_s16(vexGHIJKLMN)), vx_multiplier);
59     int32x4_t vaccOPQR = vmulq_s32(vmovl_s16(vget_low_s16(vexOPQRSTUV)), vx_multiplier);
60     int32x4_t vaccSTUV = vmulq_s32(vmovl_s16(vget_high_s16(vexOPQRSTUV)), vx_multiplier);
61 
62     vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vey01234567)), vy_multiplier);
63     vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vey01234567)), vy_multiplier);
64     vacc89AB = vmlaq_s32(vacc89AB, vmovl_s16(vget_low_s16(vey89ABCDEF)), vy_multiplier);
65     vaccCDEF = vmlaq_s32(vaccCDEF, vmovl_s16(vget_high_s16(vey89ABCDEF)), vy_multiplier);
66     vaccGHIJ = vmlaq_s32(vaccGHIJ, vmovl_s16(vget_low_s16(veyGHIJKLMN)), vy_multiplier);
67     vaccKLMN = vmlaq_s32(vaccKLMN, vmovl_s16(vget_high_s16(veyGHIJKLMN)), vy_multiplier);
68     vaccOPQR = vmlaq_s32(vaccOPQR, vmovl_s16(vget_low_s16(veyOPQRSTUV)), vy_multiplier);
69     vaccSTUV = vmlaq_s32(vaccSTUV, vmovl_s16(vget_high_s16(veyOPQRSTUV)), vy_multiplier);
70 
71     vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31);
72     vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31);
73     vacc89AB = vsraq_n_s32(vacc89AB, vbicq_s32(vacc89AB, vzero_shift_mask), 31);
74     vaccCDEF = vsraq_n_s32(vaccCDEF, vbicq_s32(vaccCDEF, vzero_shift_mask), 31);
75     vaccGHIJ = vsraq_n_s32(vaccGHIJ, vbicq_s32(vaccGHIJ, vzero_shift_mask), 31);
76     vaccKLMN = vsraq_n_s32(vaccKLMN, vbicq_s32(vaccKLMN, vzero_shift_mask), 31);
77     vaccOPQR = vsraq_n_s32(vaccOPQR, vbicq_s32(vaccOPQR, vzero_shift_mask), 31);
78     vaccSTUV = vsraq_n_s32(vaccSTUV, vbicq_s32(vaccSTUV, vzero_shift_mask), 31);
79 
80     vacc0123 = vrshlq_s32(vacc0123, vright_shift);
81     vacc4567 = vrshlq_s32(vacc4567, vright_shift);
82     vacc89AB = vrshlq_s32(vacc89AB, vright_shift);
83     vaccCDEF = vrshlq_s32(vaccCDEF, vright_shift);
84     vaccGHIJ = vrshlq_s32(vaccGHIJ, vright_shift);
85     vaccKLMN = vrshlq_s32(vaccKLMN, vright_shift);
86     vaccOPQR = vrshlq_s32(vaccOPQR, vright_shift);
87     vaccSTUV = vrshlq_s32(vaccSTUV, vright_shift);
88 
89     const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
90     const int16x8_t vacc89ABCDEF = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF)), voutput_zero_point);
91     const int16x8_t vaccGHIJKLMN = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN)), voutput_zero_point);
92     const int16x8_t vaccOPQRSTUV = vqaddq_s16(vcombine_s16(vqmovn_s32(vaccOPQR), vqmovn_s32(vaccSTUV)), voutput_zero_point);
93 
94     int8x16_t vout0123456789ABCDEF = vcombine_s8(vqmovn_s16(vacc01234567), vqmovn_s16(vacc89ABCDEF));
95     int8x16_t voutGHIJKLMNOPQRSTUV = vcombine_s8(vqmovn_s16(vaccGHIJKLMN), vqmovn_s16(vaccOPQRSTUV));
96 
97     vout0123456789ABCDEF = vmaxq_s8(vout0123456789ABCDEF, voutput_min);
98     voutGHIJKLMNOPQRSTUV = vmaxq_s8(voutGHIJKLMNOPQRSTUV, voutput_min);
99 
100     vout0123456789ABCDEF = vminq_s8(vout0123456789ABCDEF, voutput_max);
101     voutGHIJKLMNOPQRSTUV = vminq_s8(voutGHIJKLMNOPQRSTUV, voutput_max);
102 
103     vst1q_s8(output, vout0123456789ABCDEF); output += 16;
104     vst1q_s8(output, voutGHIJKLMNOPQRSTUV); output += 16;
105   }
106   if XNN_UNLIKELY(n != 0) {
107     do {
108       const int8x8_t vx01234567 = vld1_s8(input_x); input_x += 8;
109       const int8x8_t vy01234567 = vld1_s8(input_y); input_y += 8;
110 
111       const int16x8_t vex01234567 = vsubl_s8(vx01234567, vx_zero_point);
112       const int16x8_t vey01234567 = vsubl_s8(vy01234567, vy_zero_point);
113 
114       int32x4_t vacc0123 = vmulq_s32(vmovl_s16(vget_low_s16(vex01234567)), vx_multiplier);
115       int32x4_t vacc4567 = vmulq_s32(vmovl_s16(vget_high_s16(vex01234567)), vx_multiplier);
116 
117       vacc0123 = vmlaq_s32(vacc0123, vmovl_s16(vget_low_s16(vey01234567)), vy_multiplier);
118       vacc4567 = vmlaq_s32(vacc4567, vmovl_s16(vget_high_s16(vey01234567)), vy_multiplier);
119 
120       vacc0123 = vsraq_n_s32(vacc0123, vbicq_s32(vacc0123, vzero_shift_mask), 31);
121       vacc4567 = vsraq_n_s32(vacc4567, vbicq_s32(vacc4567, vzero_shift_mask), 31);
122 
123       vacc0123 = vrshlq_s32(vacc0123, vright_shift);
124       vacc4567 = vrshlq_s32(vacc4567, vright_shift);
125 
126       const int16x8_t vacc01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567)), voutput_zero_point);
127 
128       int8x8_t vout01234567 = vqmovn_s16(vacc01234567);
129       vout01234567 = vmax_s8(vout01234567, vget_low_s8(voutput_min));
130       vout01234567 = vmin_s8(vout01234567, vget_low_s8(voutput_max));
131 
132       if XNN_LIKELY(n >= (8 * sizeof(int8_t))) {
133         vst1_s8(output, vout01234567); output += 8;
134         n -= 8 * sizeof(int8_t);
135       } else {
136         if (n & (4 * sizeof(int8_t))) {
137           vst1_lane_u32(__builtin_assume_aligned(output, 1), vreinterpret_u32_s8(vout01234567), 0); output += 4;
138           vout01234567 = vext_s8(vout01234567, vout01234567, 4);
139         }
140         if (n & (2 * sizeof(int8_t))) {
141           vst1_lane_u16(__builtin_assume_aligned(output, 1), vreinterpret_u16_s8(vout01234567), 0); output += 2;
142           vout01234567 = vext_s8(vout01234567, vout01234567, 2);
143         }
144         if (n & (1 * sizeof(int8_t))) {
145           vst1_lane_s8(output, vout01234567, 0);
146         }
147         n = 0;
148       }
149     } while (n != 0);
150   }
151 }
152