xref: /aosp_15_r20/external/XNNPACK/src/qu8-gavgpool/gen/7x-minmax-rndnu-neon-c32.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1*4bdc9457SAndroid Build Coastguard Worker // Auto-generated file. Do not edit!
2*4bdc9457SAndroid Build Coastguard Worker //   Template: src/qs8-gavgpool/unipass-neon.c.in
3*4bdc9457SAndroid Build Coastguard Worker //   Generator: tools/xngen
4*4bdc9457SAndroid Build Coastguard Worker //
5*4bdc9457SAndroid Build Coastguard Worker // Copyright 2020 Google LLC
6*4bdc9457SAndroid Build Coastguard Worker //
7*4bdc9457SAndroid Build Coastguard Worker // This source code is licensed under the BSD-style license found in the
8*4bdc9457SAndroid Build Coastguard Worker // LICENSE file in the root directory of this source tree.
9*4bdc9457SAndroid Build Coastguard Worker 
10*4bdc9457SAndroid Build Coastguard Worker #include <assert.h>
11*4bdc9457SAndroid Build Coastguard Worker 
12*4bdc9457SAndroid Build Coastguard Worker #include <arm_neon.h>
13*4bdc9457SAndroid Build Coastguard Worker 
14*4bdc9457SAndroid Build Coastguard Worker #include <xnnpack/gavgpool.h>
15*4bdc9457SAndroid Build Coastguard Worker 
16*4bdc9457SAndroid Build Coastguard Worker 
xnn_qu8_gavgpool_minmax_rndnu_ukernel_7x__neon_c32(size_t rows,size_t channels,const uint8_t * input,size_t input_stride,const uint8_t * zero,uint8_t * output,const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17*4bdc9457SAndroid Build Coastguard Worker void xnn_qu8_gavgpool_minmax_rndnu_ukernel_7x__neon_c32(
18*4bdc9457SAndroid Build Coastguard Worker     size_t rows,
19*4bdc9457SAndroid Build Coastguard Worker     size_t channels,
20*4bdc9457SAndroid Build Coastguard Worker     const uint8_t* input,
21*4bdc9457SAndroid Build Coastguard Worker     size_t input_stride,
22*4bdc9457SAndroid Build Coastguard Worker     const uint8_t* zero,
23*4bdc9457SAndroid Build Coastguard Worker     uint8_t* output,
24*4bdc9457SAndroid Build Coastguard Worker     const union xnn_qu8_avgpool_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25*4bdc9457SAndroid Build Coastguard Worker {
26*4bdc9457SAndroid Build Coastguard Worker   assert(rows != 0);
27*4bdc9457SAndroid Build Coastguard Worker   assert(rows <= 7);
28*4bdc9457SAndroid Build Coastguard Worker   assert(channels != 0);
29*4bdc9457SAndroid Build Coastguard Worker 
30*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i0 = input;
31*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i1 = (const uint8_t*) ((uintptr_t) i0 + input_stride);
32*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows < 2) {
33*4bdc9457SAndroid Build Coastguard Worker     i1 = zero;
34*4bdc9457SAndroid Build Coastguard Worker   }
35*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i2 = (const uint8_t*) ((uintptr_t) i1 + input_stride);
36*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows <= 2) {
37*4bdc9457SAndroid Build Coastguard Worker     i2 = zero;
38*4bdc9457SAndroid Build Coastguard Worker   }
39*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i3 = (const uint8_t*) ((uintptr_t) i2 + input_stride);
40*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows < 4) {
41*4bdc9457SAndroid Build Coastguard Worker     i3 = zero;
42*4bdc9457SAndroid Build Coastguard Worker   }
43*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i4 = (const uint8_t*) ((uintptr_t) i3 + input_stride);
44*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows <= 4) {
45*4bdc9457SAndroid Build Coastguard Worker     i4 = zero;
46*4bdc9457SAndroid Build Coastguard Worker   }
47*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i5 = (const uint8_t*) ((uintptr_t) i4 + input_stride);
48*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows < 6) {
49*4bdc9457SAndroid Build Coastguard Worker     i5 = zero;
50*4bdc9457SAndroid Build Coastguard Worker   }
51*4bdc9457SAndroid Build Coastguard Worker   const uint8_t* i6 = (const uint8_t*) ((uintptr_t) i5 + input_stride);
52*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNPREDICTABLE(rows <= 6) {
53*4bdc9457SAndroid Build Coastguard Worker     i6 = zero;
54*4bdc9457SAndroid Build Coastguard Worker   }
55*4bdc9457SAndroid Build Coastguard Worker 
56*4bdc9457SAndroid Build Coastguard Worker   const int32x4_t vinit_bias = vld1q_dup_s32(&params->rndnu_neon.init_bias);
57*4bdc9457SAndroid Build Coastguard Worker   const int32x4_t vleft_pre_shift = vld1q_dup_s32(&params->rndnu_neon.left_pre_shift);
58*4bdc9457SAndroid Build Coastguard Worker   const int32x4_t vmultiplier = vld1q_dup_s32(&params->rndnu_neon.multiplier);
59*4bdc9457SAndroid Build Coastguard Worker   const int32x4_t vleft_post_shift = vld1q_dup_s32(&params->rndnu_neon.left_post_shift);
60*4bdc9457SAndroid Build Coastguard Worker   const int16x8_t voutput_zero_point = vld1q_dup_s16(&params->rndnu_neon.output_zero_point);
61*4bdc9457SAndroid Build Coastguard Worker   const uint8x16_t voutput_min = vld1q_dup_u8(&params->rndnu_neon.output_min);
62*4bdc9457SAndroid Build Coastguard Worker   const uint8x16_t voutput_max = vld1q_dup_u8(&params->rndnu_neon.output_max);
63*4bdc9457SAndroid Build Coastguard Worker   for (; channels >= 32; channels -= 32) {
64*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi0x01234567 = vld1_u8(i0); i0 += 8;
65*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi0x89ABCDEF = vld1_u8(i0); i0 += 8;
66*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi0xGHIJKLMN = vld1_u8(i0); i0 += 8;
67*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi0xOPQRSTUV = vld1_u8(i0); i0 += 8;
68*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi1x01234567 = vld1_u8(i1); i1 += 8;
69*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi1x89ABCDEF = vld1_u8(i1); i1 += 8;
70*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi1xGHIJKLMN = vld1_u8(i1); i1 += 8;
71*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi1xOPQRSTUV = vld1_u8(i1); i1 += 8;
72*4bdc9457SAndroid Build Coastguard Worker 
73*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi2x01234567 = vld1_u8(i2); i2 += 8;
74*4bdc9457SAndroid Build Coastguard Worker     uint16x8_t vsum01234567 = vaddl_u8(vi0x01234567, vi1x01234567);
75*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi2x89ABCDEF = vld1_u8(i2); i2 += 8;
76*4bdc9457SAndroid Build Coastguard Worker     uint16x8_t vsum89ABCDEF = vaddl_u8(vi0x89ABCDEF, vi1x89ABCDEF);
77*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi2xGHIJKLMN = vld1_u8(i2); i2 += 8;
78*4bdc9457SAndroid Build Coastguard Worker     uint16x8_t vsumGHIJKLMN = vaddl_u8(vi0xGHIJKLMN, vi1xGHIJKLMN);
79*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi2xOPQRSTUV = vld1_u8(i2); i2 += 8;
80*4bdc9457SAndroid Build Coastguard Worker     uint16x8_t vsumOPQRSTUV = vaddl_u8(vi0xOPQRSTUV, vi1xOPQRSTUV);
81*4bdc9457SAndroid Build Coastguard Worker 
82*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi3x01234567 = vld1_u8(i3); i3 += 8;
83*4bdc9457SAndroid Build Coastguard Worker     vsum01234567 = vaddw_u8(vsum01234567, vi2x01234567);
84*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi3x89ABCDEF = vld1_u8(i3); i3 += 8;
85*4bdc9457SAndroid Build Coastguard Worker     vsum89ABCDEF = vaddw_u8(vsum89ABCDEF, vi2x89ABCDEF);
86*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi3xGHIJKLMN = vld1_u8(i3); i3 += 8;
87*4bdc9457SAndroid Build Coastguard Worker     vsumGHIJKLMN = vaddw_u8(vsumGHIJKLMN, vi2xGHIJKLMN);
88*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi3xOPQRSTUV = vld1_u8(i3); i3 += 8;
89*4bdc9457SAndroid Build Coastguard Worker     vsumOPQRSTUV = vaddw_u8(vsumOPQRSTUV, vi2xOPQRSTUV);
90*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi4x01234567 = vld1_u8(i4); i4 += 8;
91*4bdc9457SAndroid Build Coastguard Worker     vsum01234567 = vaddw_u8(vsum01234567, vi3x01234567);
92*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi4x89ABCDEF = vld1_u8(i4); i4 += 8;
93*4bdc9457SAndroid Build Coastguard Worker     vsum89ABCDEF = vaddw_u8(vsum89ABCDEF, vi3x89ABCDEF);
94*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi4xGHIJKLMN = vld1_u8(i4); i4 += 8;
95*4bdc9457SAndroid Build Coastguard Worker     vsumGHIJKLMN = vaddw_u8(vsumGHIJKLMN, vi3xGHIJKLMN);
96*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi4xOPQRSTUV = vld1_u8(i4); i4 += 8;
97*4bdc9457SAndroid Build Coastguard Worker     vsumOPQRSTUV = vaddw_u8(vsumOPQRSTUV, vi3xOPQRSTUV);
98*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi5x01234567 = vld1_u8(i5); i5 += 8;
99*4bdc9457SAndroid Build Coastguard Worker     vsum01234567 = vaddw_u8(vsum01234567, vi4x01234567);
100*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi5x89ABCDEF = vld1_u8(i5); i5 += 8;
101*4bdc9457SAndroid Build Coastguard Worker     vsum89ABCDEF = vaddw_u8(vsum89ABCDEF, vi4x89ABCDEF);
102*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi5xGHIJKLMN = vld1_u8(i5); i5 += 8;
103*4bdc9457SAndroid Build Coastguard Worker     vsumGHIJKLMN = vaddw_u8(vsumGHIJKLMN, vi4xGHIJKLMN);
104*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi5xOPQRSTUV = vld1_u8(i5); i5 += 8;
105*4bdc9457SAndroid Build Coastguard Worker     vsumOPQRSTUV = vaddw_u8(vsumOPQRSTUV, vi4xOPQRSTUV);
106*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi6x01234567 = vld1_u8(i6); i6 += 8;
107*4bdc9457SAndroid Build Coastguard Worker     vsum01234567 = vaddw_u8(vsum01234567, vi5x01234567);
108*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi6x89ABCDEF = vld1_u8(i6); i6 += 8;
109*4bdc9457SAndroid Build Coastguard Worker     vsum89ABCDEF = vaddw_u8(vsum89ABCDEF, vi5x89ABCDEF);
110*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi6xGHIJKLMN = vld1_u8(i6); i6 += 8;
111*4bdc9457SAndroid Build Coastguard Worker     vsumGHIJKLMN = vaddw_u8(vsumGHIJKLMN, vi5xGHIJKLMN);
112*4bdc9457SAndroid Build Coastguard Worker     const uint8x8_t vi6xOPQRSTUV = vld1_u8(i6); i6 += 8;
113*4bdc9457SAndroid Build Coastguard Worker     vsumOPQRSTUV = vaddw_u8(vsumOPQRSTUV, vi5xOPQRSTUV);
114*4bdc9457SAndroid Build Coastguard Worker     vsum01234567 = vaddw_u8(vsum01234567, vi6x01234567);
115*4bdc9457SAndroid Build Coastguard Worker     vsum89ABCDEF = vaddw_u8(vsum89ABCDEF, vi6x89ABCDEF);
116*4bdc9457SAndroid Build Coastguard Worker     vsumGHIJKLMN = vaddw_u8(vsumGHIJKLMN, vi6xGHIJKLMN);
117*4bdc9457SAndroid Build Coastguard Worker     vsumOPQRSTUV = vaddw_u8(vsumOPQRSTUV, vi6xOPQRSTUV);
118*4bdc9457SAndroid Build Coastguard Worker 
119*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vacc0123 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsum01234567)));
120*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vacc4567 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsum01234567)));
121*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vacc89AB = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsum89ABCDEF)));
122*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vaccCDEF = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsum89ABCDEF)));
123*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vaccGHIJ = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsumGHIJKLMN)));
124*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vaccKLMN = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsumGHIJKLMN)));
125*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vaccOPQR = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsumOPQRSTUV)));
126*4bdc9457SAndroid Build Coastguard Worker     int32x4_t vaccSTUV = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsumOPQRSTUV)));
127*4bdc9457SAndroid Build Coastguard Worker 
128*4bdc9457SAndroid Build Coastguard Worker     vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
129*4bdc9457SAndroid Build Coastguard Worker     vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
130*4bdc9457SAndroid Build Coastguard Worker     vacc89AB = vqshlq_s32(vacc89AB, vleft_pre_shift);
131*4bdc9457SAndroid Build Coastguard Worker     vaccCDEF = vqshlq_s32(vaccCDEF, vleft_pre_shift);
132*4bdc9457SAndroid Build Coastguard Worker     vaccGHIJ = vqshlq_s32(vaccGHIJ, vleft_pre_shift);
133*4bdc9457SAndroid Build Coastguard Worker     vaccKLMN = vqshlq_s32(vaccKLMN, vleft_pre_shift);
134*4bdc9457SAndroid Build Coastguard Worker     vaccOPQR = vqshlq_s32(vaccOPQR, vleft_pre_shift);
135*4bdc9457SAndroid Build Coastguard Worker     vaccSTUV = vqshlq_s32(vaccSTUV, vleft_pre_shift);
136*4bdc9457SAndroid Build Coastguard Worker 
137*4bdc9457SAndroid Build Coastguard Worker     vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
138*4bdc9457SAndroid Build Coastguard Worker     vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
139*4bdc9457SAndroid Build Coastguard Worker     vacc89AB = vqdmulhq_s32(vacc89AB, vmultiplier);
140*4bdc9457SAndroid Build Coastguard Worker     vaccCDEF = vqdmulhq_s32(vaccCDEF, vmultiplier);
141*4bdc9457SAndroid Build Coastguard Worker     vaccGHIJ = vqdmulhq_s32(vaccGHIJ, vmultiplier);
142*4bdc9457SAndroid Build Coastguard Worker     vaccKLMN = vqdmulhq_s32(vaccKLMN, vmultiplier);
143*4bdc9457SAndroid Build Coastguard Worker     vaccOPQR = vqdmulhq_s32(vaccOPQR, vmultiplier);
144*4bdc9457SAndroid Build Coastguard Worker     vaccSTUV = vqdmulhq_s32(vaccSTUV, vmultiplier);
145*4bdc9457SAndroid Build Coastguard Worker 
146*4bdc9457SAndroid Build Coastguard Worker     vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
147*4bdc9457SAndroid Build Coastguard Worker     vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
148*4bdc9457SAndroid Build Coastguard Worker     vacc89AB = vrshlq_s32(vacc89AB, vleft_post_shift);
149*4bdc9457SAndroid Build Coastguard Worker     vaccCDEF = vrshlq_s32(vaccCDEF, vleft_post_shift);
150*4bdc9457SAndroid Build Coastguard Worker     vaccGHIJ = vrshlq_s32(vaccGHIJ, vleft_post_shift);
151*4bdc9457SAndroid Build Coastguard Worker     vaccKLMN = vrshlq_s32(vaccKLMN, vleft_post_shift);
152*4bdc9457SAndroid Build Coastguard Worker     vaccOPQR = vrshlq_s32(vaccOPQR, vleft_post_shift);
153*4bdc9457SAndroid Build Coastguard Worker     vaccSTUV = vrshlq_s32(vaccSTUV, vleft_post_shift);
154*4bdc9457SAndroid Build Coastguard Worker 
155*4bdc9457SAndroid Build Coastguard Worker     #if XNN_ARCH_ARM64
156*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
157*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vacc89ABCDEF = vqmovn_high_s32(vqmovn_s32(vacc89AB), vaccCDEF);
158*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vaccGHIJKLMN = vqmovn_high_s32(vqmovn_s32(vaccGHIJ), vaccKLMN);
159*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vaccOPQRSTUV = vqmovn_high_s32(vqmovn_s32(vaccOPQR), vaccSTUV);
160*4bdc9457SAndroid Build Coastguard Worker     #else  // !XNN_ARCH_ARM64
161*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
162*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vacc89ABCDEF = vcombine_s16(vqmovn_s32(vacc89AB), vqmovn_s32(vaccCDEF));
163*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vaccGHIJKLMN = vcombine_s16(vqmovn_s32(vaccGHIJ), vqmovn_s32(vaccKLMN));
164*4bdc9457SAndroid Build Coastguard Worker       int16x8_t vaccOPQRSTUV = vcombine_s16(vqmovn_s32(vaccOPQR), vqmovn_s32(vaccSTUV));
165*4bdc9457SAndroid Build Coastguard Worker     #endif  // !XNN_ARCH_ARM64
166*4bdc9457SAndroid Build Coastguard Worker 
167*4bdc9457SAndroid Build Coastguard Worker     vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
168*4bdc9457SAndroid Build Coastguard Worker     vacc89ABCDEF = vqaddq_s16(vacc89ABCDEF, voutput_zero_point);
169*4bdc9457SAndroid Build Coastguard Worker     vaccGHIJKLMN = vqaddq_s16(vaccGHIJKLMN, voutput_zero_point);
170*4bdc9457SAndroid Build Coastguard Worker     vaccOPQRSTUV = vqaddq_s16(vaccOPQRSTUV, voutput_zero_point);
171*4bdc9457SAndroid Build Coastguard Worker 
172*4bdc9457SAndroid Build Coastguard Worker     #if XNN_ARCH_ARM64
173*4bdc9457SAndroid Build Coastguard Worker       uint8x16_t vout0123456789ABCDEF = vqmovun_high_s16(vqmovun_s16(vacc01234567), vacc89ABCDEF);
174*4bdc9457SAndroid Build Coastguard Worker       uint8x16_t voutGHIJKLMNOPQRSTUV = vqmovun_high_s16(vqmovun_s16(vaccGHIJKLMN), vaccOPQRSTUV);
175*4bdc9457SAndroid Build Coastguard Worker     #else  // !XNN_ARCH_ARM64
176*4bdc9457SAndroid Build Coastguard Worker       uint8x16_t vout0123456789ABCDEF = vcombine_u8(vqmovun_s16(vacc01234567), vqmovun_s16(vacc89ABCDEF));
177*4bdc9457SAndroid Build Coastguard Worker       uint8x16_t voutGHIJKLMNOPQRSTUV = vcombine_u8(vqmovun_s16(vaccGHIJKLMN), vqmovun_s16(vaccOPQRSTUV));
178*4bdc9457SAndroid Build Coastguard Worker     #endif  // !XNN_ARCH_ARM64
179*4bdc9457SAndroid Build Coastguard Worker 
180*4bdc9457SAndroid Build Coastguard Worker     vout0123456789ABCDEF = vmaxq_u8(vout0123456789ABCDEF, voutput_min);
181*4bdc9457SAndroid Build Coastguard Worker     voutGHIJKLMNOPQRSTUV = vmaxq_u8(voutGHIJKLMNOPQRSTUV, voutput_min);
182*4bdc9457SAndroid Build Coastguard Worker 
183*4bdc9457SAndroid Build Coastguard Worker     vout0123456789ABCDEF = vminq_u8(vout0123456789ABCDEF, voutput_max);
184*4bdc9457SAndroid Build Coastguard Worker     voutGHIJKLMNOPQRSTUV = vminq_u8(voutGHIJKLMNOPQRSTUV, voutput_max);
185*4bdc9457SAndroid Build Coastguard Worker 
186*4bdc9457SAndroid Build Coastguard Worker     vst1q_u8(output, vout0123456789ABCDEF); output += 16;
187*4bdc9457SAndroid Build Coastguard Worker     vst1q_u8(output, voutGHIJKLMNOPQRSTUV); output += 16;
188*4bdc9457SAndroid Build Coastguard Worker   }
189*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNLIKELY(channels != 0) {
190*4bdc9457SAndroid Build Coastguard Worker     do {
191*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi0x01234567 = vld1_u8(i0); i0 += 8;
192*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi1x01234567 = vld1_u8(i1); i1 += 8;
193*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi2x01234567 = vld1_u8(i2); i2 += 8;
194*4bdc9457SAndroid Build Coastguard Worker       uint16x8_t vsum01234567 = vaddl_u8(vi0x01234567, vi1x01234567);
195*4bdc9457SAndroid Build Coastguard Worker 
196*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi3x01234567 = vld1_u8(i3); i3 += 8;
197*4bdc9457SAndroid Build Coastguard Worker       vsum01234567 = vaddw_u8(vsum01234567, vi2x01234567);
198*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi4x01234567 = vld1_u8(i4); i4 += 8;
199*4bdc9457SAndroid Build Coastguard Worker       vsum01234567 = vaddw_u8(vsum01234567, vi3x01234567);
200*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi5x01234567 = vld1_u8(i5); i5 += 8;
201*4bdc9457SAndroid Build Coastguard Worker       vsum01234567 = vaddw_u8(vsum01234567, vi4x01234567);
202*4bdc9457SAndroid Build Coastguard Worker       const uint8x8_t vi6x01234567 = vld1_u8(i6); i6 += 8;
203*4bdc9457SAndroid Build Coastguard Worker       vsum01234567 = vaddw_u8(vsum01234567, vi5x01234567);
204*4bdc9457SAndroid Build Coastguard Worker       vsum01234567 = vaddw_u8(vsum01234567, vi6x01234567);
205*4bdc9457SAndroid Build Coastguard Worker 
206*4bdc9457SAndroid Build Coastguard Worker       int32x4_t vacc0123 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_low_u16(vsum01234567)));
207*4bdc9457SAndroid Build Coastguard Worker       int32x4_t vacc4567 = vreinterpretq_s32_u32(vaddw_u16(vreinterpretq_u32_s32(vinit_bias), vget_high_u16(vsum01234567)));
208*4bdc9457SAndroid Build Coastguard Worker 
209*4bdc9457SAndroid Build Coastguard Worker       vacc0123 = vqshlq_s32(vacc0123, vleft_pre_shift);
210*4bdc9457SAndroid Build Coastguard Worker       vacc4567 = vqshlq_s32(vacc4567, vleft_pre_shift);
211*4bdc9457SAndroid Build Coastguard Worker 
212*4bdc9457SAndroid Build Coastguard Worker       vacc0123 = vqdmulhq_s32(vacc0123, vmultiplier);
213*4bdc9457SAndroid Build Coastguard Worker       vacc4567 = vqdmulhq_s32(vacc4567, vmultiplier);
214*4bdc9457SAndroid Build Coastguard Worker 
215*4bdc9457SAndroid Build Coastguard Worker       vacc0123 = vrshlq_s32(vacc0123, vleft_post_shift);
216*4bdc9457SAndroid Build Coastguard Worker       vacc4567 = vrshlq_s32(vacc4567, vleft_post_shift);
217*4bdc9457SAndroid Build Coastguard Worker 
218*4bdc9457SAndroid Build Coastguard Worker       #if XNN_ARCH_ARM64
219*4bdc9457SAndroid Build Coastguard Worker         int16x8_t vacc01234567 = vqmovn_high_s32(vqmovn_s32(vacc0123), vacc4567);
220*4bdc9457SAndroid Build Coastguard Worker       #else
221*4bdc9457SAndroid Build Coastguard Worker         int16x8_t vacc01234567 = vcombine_s16(vqmovn_s32(vacc0123), vqmovn_s32(vacc4567));
222*4bdc9457SAndroid Build Coastguard Worker       #endif
223*4bdc9457SAndroid Build Coastguard Worker       vacc01234567 = vqaddq_s16(vacc01234567, voutput_zero_point);
224*4bdc9457SAndroid Build Coastguard Worker 
225*4bdc9457SAndroid Build Coastguard Worker       uint8x8_t vout01234567 = vqmovun_s16(vacc01234567);
226*4bdc9457SAndroid Build Coastguard Worker       vout01234567 = vmax_u8(vout01234567, vget_low_u8(voutput_min));
227*4bdc9457SAndroid Build Coastguard Worker       vout01234567 = vmin_u8(vout01234567, vget_low_u8(voutput_max));
228*4bdc9457SAndroid Build Coastguard Worker 
229*4bdc9457SAndroid Build Coastguard Worker       if XNN_LIKELY(channels >= 8) {
230*4bdc9457SAndroid Build Coastguard Worker         vst1_u8(output, vout01234567); output += 8;
231*4bdc9457SAndroid Build Coastguard Worker         channels -= 8;
232*4bdc9457SAndroid Build Coastguard Worker       } else {
233*4bdc9457SAndroid Build Coastguard Worker         if (channels & 4) {
234*4bdc9457SAndroid Build Coastguard Worker           vst1_lane_u32((void*) output, vreinterpret_u32_u8(vout01234567), 0); output += 4;
235*4bdc9457SAndroid Build Coastguard Worker           vout01234567 = vext_u8(vout01234567, vout01234567, 4);
236*4bdc9457SAndroid Build Coastguard Worker         }
237*4bdc9457SAndroid Build Coastguard Worker         if (channels & 2) {
238*4bdc9457SAndroid Build Coastguard Worker           vst1_lane_u16((void*) output, vreinterpret_u16_u8(vout01234567), 0); output += 2;
239*4bdc9457SAndroid Build Coastguard Worker           vout01234567 = vext_u8(vout01234567, vout01234567, 2);
240*4bdc9457SAndroid Build Coastguard Worker         }
241*4bdc9457SAndroid Build Coastguard Worker         if (channels & 1) {
242*4bdc9457SAndroid Build Coastguard Worker           vst1_lane_u8(output, vout01234567, 0); output += 1;
243*4bdc9457SAndroid Build Coastguard Worker         }
244*4bdc9457SAndroid Build Coastguard Worker         channels = 0;
245*4bdc9457SAndroid Build Coastguard Worker       }
246*4bdc9457SAndroid Build Coastguard Worker     } while (channels != 0);
247*4bdc9457SAndroid Build Coastguard Worker   }
248*4bdc9457SAndroid Build Coastguard Worker }
249