1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c4-neon-mull-dup.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_igemm_minmax_rndnu_ukernel_1x8c4__neon_mull_ld1r(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_rndnu_ukernel_1x8c4__neon_mull_ld1r(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 1);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(ks != 0);
37 assert(ks % (1 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 4 * sizeof(int8_t));
44 int8_t* c0 = c;
45
46 do {
47 int32x4_t vacc0x01 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
48 int32x4_t vacc0x23 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
49 int32x4_t vacc0x45 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
50 int32x4_t vacc0x67 = vreinterpretq_s32_u64(vmovl_u32(vld1_u32(w))); w = (const void*) ((uintptr_t) w + 2 * sizeof(int32_t));
51
52 size_t p = ks;
53 do {
54 const int8_t* restrict a0 = a[0];
55 if XNN_UNPREDICTABLE(a0 != zero) {
56 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
57 }
58 a += 1;
59
60 size_t k = kc;
61
62
63 while (k >= 8 * sizeof(int8_t)) {
64 const int32x2_t va00 = vld1_dup_s32((const void*)a0);
65 const int32x2_t va01 = vld1_dup_s32((const void*)(a0 + 4)); a0 += 8;
66
67 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
68 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
69 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
70 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
71 const int8x8_t vb01c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
72 const int8x8_t vb23c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
73 const int8x8_t vb45c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
74 const int8x8_t vb67c1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
75
76 const int8x8_t va0c0 = vreinterpret_s8_s32(va00);
77
78 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
79 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
80 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
81 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
82 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
83 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
84 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
85 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
86 const int8x8_t va0c1 = vreinterpret_s8_s32(va01);
87
88 const int16x8_t vprod0x01c1 = vmull_s8(vb01c1, va0c1);
89 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c1);
90 const int16x8_t vprod0x23c1 = vmull_s8(vb23c1, va0c1);
91 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c1);
92 const int16x8_t vprod0x45c1 = vmull_s8(vb45c1, va0c1);
93 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c1);
94 const int16x8_t vprod0x67c1 = vmull_s8(vb67c1, va0c1);
95 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c1);
96
97 k -= 8 * sizeof(int8_t);
98 }
99
100 if XNN_UNLIKELY(k != 0) {
101 const int8x8_t va0 = vld1_s8(a0); a0 = (const int8_t*) ((uintptr_t) a0 + k);
102
103 const int8x8_t vb01c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
104 const int8x8_t vb23c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
105 const int8x8_t vb45c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
106 const int8x8_t vb67c0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
107
108 const int8x8_t va0c0 = vreinterpret_s8_s32(vdup_lane_s32(vreinterpret_s32_s8(va0), 0));
109 const int16x8_t vprod0x01c0 = vmull_s8(vb01c0, va0c0);
110 vacc0x01 = vpadalq_s16(vacc0x01, vprod0x01c0);
111 const int16x8_t vprod0x23c0 = vmull_s8(vb23c0, va0c0);
112 vacc0x23 = vpadalq_s16(vacc0x23, vprod0x23c0);
113 const int16x8_t vprod0x45c0 = vmull_s8(vb45c0, va0c0);
114 vacc0x45 = vpadalq_s16(vacc0x45, vprod0x45c0);
115 const int16x8_t vprod0x67c0 = vmull_s8(vb67c0, va0c0);
116 vacc0x67 = vpadalq_s16(vacc0x67, vprod0x67c0);
117 }
118 p -= 1 * sizeof(void*);
119 } while (p != 0);
120
121 #if XNN_ARCH_ARM64
122 int32x4_t vacc0x0123 = vpaddq_s32(vacc0x01, vacc0x23);
123 int32x4_t vacc0x4567 = vpaddq_s32(vacc0x45, vacc0x67);
124 #else
125 const int32x2_t vsum0x01 = vpadd_s32(vget_low_s32(vacc0x01), vget_high_s32(vacc0x01));
126 const int32x2_t vsum0x23 = vpadd_s32(vget_low_s32(vacc0x23), vget_high_s32(vacc0x23));
127 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23);
128 const int32x2_t vsum0x45 = vpadd_s32(vget_low_s32(vacc0x45), vget_high_s32(vacc0x45));
129 const int32x2_t vsum0x67 = vpadd_s32(vget_low_s32(vacc0x67), vget_high_s32(vacc0x67));
130 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67);
131 #endif
132
133 const int32x4_t vright_pre_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_pre_shift);
134 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->rndnu_neon.multiplier);
135 const int32x4_t vright_post_shift = vld1q_dup_s32(¶ms->rndnu_neon.right_post_shift);
136
137 vacc0x0123 = vqshlq_s32(vacc0x0123, vright_pre_shift);
138 vacc0x4567 = vqshlq_s32(vacc0x4567, vright_pre_shift);
139
140 vacc0x0123 = vqdmulhq_s32(vacc0x0123, vmultiplier);
141 vacc0x4567 = vqdmulhq_s32(vacc0x4567, vmultiplier);
142
143 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_post_shift);
144 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_post_shift);
145
146 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->rndnu_neon.output_zero_point);
147 #if XNN_ARCH_ARM64
148 int16x8_t vacc0x01234567 = vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567);
149
150 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
151
152 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
153 #else
154 int16x8_t vacc0x01234567 = vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567));
155
156 vacc0x01234567 = vqaddq_s16(vacc0x01234567, voutput_zero_point);
157
158 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
159 #endif
160
161 const int8x8_t voutput_min = vld1_dup_s8(¶ms->rndnu_neon.output_min);
162 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
163
164 const int8x8_t voutput_max = vld1_dup_s8(¶ms->rndnu_neon.output_max);
165 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
166
167 if (nc >= 8) {
168 vst1_s8(c0 + 0, vout0x01234567);
169
170 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
171
172 a = (const int8_t**restrict) ((uintptr_t) a - ks);
173
174 nc -= 8;
175 } else {
176 if (nc & 4) {
177 vst1_lane_u32((void*) c0, vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
178 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
179 }
180 if (nc & 2) {
181 vst1_lane_u16((void*) c0, vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
182 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
183 }
184 if (nc & 1) {
185 vst1_lane_s8(c0, vout0x01234567, 0);
186 }
187
188 nc = 0;
189 }
190 } while (nc != 0);
191 }
192