1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/c16-neon-mlal.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 <arm_neon.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_gemm_minmax_rndnu_ukernel_1x8c16__neon_mlal(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_rndnu_ukernel_1x8c16__neon_mlal(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
29 {
30 assert(mr != 0);
31 assert(mr <= 1);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 16 * sizeof(int8_t));
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42
43 do {
44 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
45 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
46 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
47 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
48 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
49 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
50 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
51 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52
53 // KC loop of 16
54 size_t k = kc;
55 while (k != 0) {
56 const int8x16_t va0 = vld1q_s8(a0); a0 += 16;
57
58 const int8x16_t vb0 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
59 const int8x16_t vb1 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
60 const int8x16_t vb2 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
61 const int8x16_t vb3 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
62 const int8x16_t vb4 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
63 const int8x16_t vb5 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
64 const int8x16_t vb6 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
65 const int8x16_t vb7 = vld1q_s8(w); w = (const void*) ((uintptr_t) w + 16 * sizeof(int8_t));
66
67 int16x8_t vprod0x0 = vmull_s8(vget_low_s8(vb0), vget_low_s8(va0));
68 vprod0x0 = vmlal_s8(vprod0x0, vget_high_s8(vb0), vget_high_s8(va0));
69 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
70 int16x8_t vprod0x1 = vmull_s8(vget_low_s8(vb1), vget_low_s8(va0));
71 vprod0x1 = vmlal_s8(vprod0x1, vget_high_s8(vb1), vget_high_s8(va0));
72 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
73 int16x8_t vprod0x2 = vmull_s8(vget_low_s8(vb2), vget_low_s8(va0));
74 vprod0x2 = vmlal_s8(vprod0x2, vget_high_s8(vb2), vget_high_s8(va0));
75 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
76 int16x8_t vprod0x3 = vmull_s8(vget_low_s8(vb3), vget_low_s8(va0));
77 vprod0x3 = vmlal_s8(vprod0x3, vget_high_s8(vb3), vget_high_s8(va0));
78 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
79 int16x8_t vprod0x4 = vmull_s8(vget_low_s8(vb4), vget_low_s8(va0));
80 vprod0x4 = vmlal_s8(vprod0x4, vget_high_s8(vb4), vget_high_s8(va0));
81 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
82 int16x8_t vprod0x5 = vmull_s8(vget_low_s8(vb5), vget_low_s8(va0));
83 vprod0x5 = vmlal_s8(vprod0x5, vget_high_s8(vb5), vget_high_s8(va0));
84 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
85 int16x8_t vprod0x6 = vmull_s8(vget_low_s8(vb6), vget_low_s8(va0));
86 vprod0x6 = vmlal_s8(vprod0x6, vget_high_s8(vb6), vget_high_s8(va0));
87 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
88 int16x8_t vprod0x7 = vmull_s8(vget_low_s8(vb7), vget_low_s8(va0));
89 vprod0x7 = vmlal_s8(vprod0x7, vget_high_s8(vb7), vget_high_s8(va0));
90 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
91
92 k -= 16 * sizeof(int8_t);
93 }
94
95 #if XNN_ARCH_ARM64
96 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
97 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
98 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
99 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
100 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
101 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
102 #else
103 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
104 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
105 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
106 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
107 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
108 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
109 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
110 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
111 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
112 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
113 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
114 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
115 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
116 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
117 #endif
118
119 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
120 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
121 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
122
123 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
124 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
125
126 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
127 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
128
129 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
130 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
131
132 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
133 #if XNN_ARCH_ARM64
134 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
135 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
136 #else
137 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
138
139 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
140 #endif
141 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
142 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
143
144 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
145
146 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
147
148 if (nc >= 8) {
149 vst1_s8(c0 + 0, vout0x01234567);
150
151 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
152
153 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
154
155 nc -= 8;
156 } else {
157 // Final case where not all of the 8 columns fit in the destination.
158 if (nc & 4) {
159 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
160 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
161 }
162 if (nc & 2) {
163 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
164 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
165 }
166 if (nc & 1) {
167 vst1_lane_s8(c0, vout0x01234567, 0);
168 }
169
170 nc = 0;
171 }
172 } while (nc != 0);
173 }
174