1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/c8-neon-mull-padal.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/igemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_ukernel_1x8c8__neon_mlal_padal(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_gemm_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_ukernel_1x8c8__neon_mlal_padal(
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_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
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, 8);
44 int8_t* c0 = c;
45
46 do {
47 int32x4_t vacc0x0 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
48 int32x4_t vacc0x1 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
49 int32x4_t vacc0x2 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
50 int32x4_t vacc0x3 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
51 int32x4_t vacc0x4 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
52 int32x4_t vacc0x5 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
53 int32x4_t vacc0x6 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
54 int32x4_t vacc0x7 = vld1q_lane_s32(w, vmovq_n_s32(0), 0); w = (const void*) ((uintptr_t) w + sizeof(int32_t));
55
56 size_t p = ks;
57 do {
58 const int8_t* restrict a0 = a[0];
59 if XNN_UNPREDICTABLE(a0 != zero) {
60 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
61 }
62 a += 1;
63
64 size_t k = kc;
65 // 2x partial unrolled loop to load 16 bytes at a time using MLA.
66 while (k >= 16 * sizeof(int8_t)) {
67 const int8x8_t va0x0 = vld1_s8(a0); a0 += 8;
68 const int8x8_t va0x1 = vld1_s8(a0); a0 += 8;
69
70 const int8x8_t vb0x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
71 const int8x8_t vb1x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
72 const int8x8_t vb2x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
73 const int8x8_t vb3x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
74 const int8x8_t vb4x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
75 const int8x8_t vb5x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
76 const int8x8_t vb6x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
77 const int8x8_t vb7x0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
78
79 const int8x8_t vb0x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
80 int16x8_t vprod0x0 = vmull_s8(vb0x0, va0x0);
81 vprod0x0 = vmlal_s8(vprod0x0, vb0x1, va0x1);
82 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
83 const int8x8_t vb1x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
84 int16x8_t vprod0x1 = vmull_s8(vb1x0, va0x0);
85 vprod0x1 = vmlal_s8(vprod0x1, vb1x1, va0x1);
86 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
87 const int8x8_t vb2x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
88 int16x8_t vprod0x2 = vmull_s8(vb2x0, va0x0);
89 vprod0x2 = vmlal_s8(vprod0x2, vb2x1, va0x1);
90 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
91 const int8x8_t vb3x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
92 int16x8_t vprod0x3 = vmull_s8(vb3x0, va0x0);
93 vprod0x3 = vmlal_s8(vprod0x3, vb3x1, va0x1);
94 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
95 const int8x8_t vb4x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
96 int16x8_t vprod0x4 = vmull_s8(vb4x0, va0x0);
97 vprod0x4 = vmlal_s8(vprod0x4, vb4x1, va0x1);
98 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
99 const int8x8_t vb5x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
100 int16x8_t vprod0x5 = vmull_s8(vb5x0, va0x0);
101 vprod0x5 = vmlal_s8(vprod0x5, vb5x1, va0x1);
102 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
103 const int8x8_t vb6x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
104 int16x8_t vprod0x6 = vmull_s8(vb6x0, va0x0);
105 vprod0x6 = vmlal_s8(vprod0x6, vb6x1, va0x1);
106 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
107 const int8x8_t vb7x1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof( int8_t));
108 int16x8_t vprod0x7 = vmull_s8(vb7x0, va0x0);
109 vprod0x7 = vmlal_s8(vprod0x7, vb7x1, va0x1);
110 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
111
112 k -= 16 * sizeof(int8_t);
113 }
114
115 // Handle 8 bytes at a time using MUL.
116 if (k > 0) {
117 const int8x8_t va0 = vld1_s8(a0); a0 += 8;
118
119 const int8x8_t vb0 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
120 const int16x8_t vprod0x0 = vmull_s8(vb0, va0);
121 vacc0x0 = vpadalq_s16(vacc0x0, vprod0x0);
122 const int8x8_t vb1 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
123 const int16x8_t vprod0x1 = vmull_s8(vb1, va0);
124 vacc0x1 = vpadalq_s16(vacc0x1, vprod0x1);
125 const int8x8_t vb2 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
126 const int16x8_t vprod0x2 = vmull_s8(vb2, va0);
127 vacc0x2 = vpadalq_s16(vacc0x2, vprod0x2);
128 const int8x8_t vb3 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
129 const int16x8_t vprod0x3 = vmull_s8(vb3, va0);
130 vacc0x3 = vpadalq_s16(vacc0x3, vprod0x3);
131 const int8x8_t vb4 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
132 const int16x8_t vprod0x4 = vmull_s8(vb4, va0);
133 vacc0x4 = vpadalq_s16(vacc0x4, vprod0x4);
134 const int8x8_t vb5 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
135 const int16x8_t vprod0x5 = vmull_s8(vb5, va0);
136 vacc0x5 = vpadalq_s16(vacc0x5, vprod0x5);
137 const int8x8_t vb6 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
138 const int16x8_t vprod0x6 = vmull_s8(vb6, va0);
139 vacc0x6 = vpadalq_s16(vacc0x6, vprod0x6);
140 const int8x8_t vb7 = vld1_s8(w); w = (const void*) ((uintptr_t) w + 8 * sizeof(int8_t));
141 const int16x8_t vprod0x7 = vmull_s8(vb7, va0);
142 vacc0x7 = vpadalq_s16(vacc0x7, vprod0x7);
143
144 k -= 8 * sizeof(int8_t);
145 }
146
147 p -= 1 * sizeof(void*);
148 } while (p != 0);
149
150 #if XNN_ARCH_ARM64
151 const int32x4_t vsum0x01 = vpaddq_s32(vacc0x0, vacc0x1);
152 const int32x4_t vsum0x23 = vpaddq_s32(vacc0x2, vacc0x3);
153 const int32x4_t vsum0x45 = vpaddq_s32(vacc0x4, vacc0x5);
154 const int32x4_t vsum0x67 = vpaddq_s32(vacc0x6, vacc0x7);
155 int32x4_t vacc0x0123 = vpaddq_s32(vsum0x01, vsum0x23);
156 int32x4_t vacc0x4567 = vpaddq_s32(vsum0x45, vsum0x67);
157 #else
158 const int32x2_t vpsum0x0 = vadd_s32(vget_low_s32(vacc0x0), vget_high_s32(vacc0x0));
159 const int32x2_t vpsum0x1 = vadd_s32(vget_low_s32(vacc0x1), vget_high_s32(vacc0x1));
160 const int32x2_t vpsum0x2 = vadd_s32(vget_low_s32(vacc0x2), vget_high_s32(vacc0x2));
161 const int32x2_t vpsum0x3 = vadd_s32(vget_low_s32(vacc0x3), vget_high_s32(vacc0x3));
162 const int32x2_t vsum0x01 = vpadd_s32(vpsum0x0, vpsum0x1);
163 const int32x2_t vsum0x23 = vpadd_s32(vpsum0x2, vpsum0x3);
164 int32x4_t vacc0x0123 = vcombine_s32(vsum0x01, vsum0x23 );
165 const int32x2_t vpsum0x4 = vadd_s32(vget_low_s32(vacc0x4), vget_high_s32(vacc0x4));
166 const int32x2_t vpsum0x5 = vadd_s32(vget_low_s32(vacc0x5), vget_high_s32(vacc0x5));
167 const int32x2_t vpsum0x6 = vadd_s32(vget_low_s32(vacc0x6), vget_high_s32(vacc0x6));
168 const int32x2_t vpsum0x7 = vadd_s32(vget_low_s32(vacc0x7), vget_high_s32(vacc0x7));
169 const int32x2_t vsum0x45 = vpadd_s32(vpsum0x4, vpsum0x5);
170 const int32x2_t vsum0x67 = vpadd_s32(vpsum0x6, vpsum0x7);
171 int32x4_t vacc0x4567 = vcombine_s32(vsum0x45, vsum0x67 );
172 #endif
173
174 const int32x4_t vmultiplier = vld1q_dup_s32(¶ms->neon.multiplier);
175 vacc0x0123 = vqrdmulhq_s32(vacc0x0123, vmultiplier);
176 vacc0x4567 = vqrdmulhq_s32(vacc0x4567, vmultiplier);
177
178 const int32x4_t vright_shift = vld1q_dup_s32(¶ms->neon.right_shift);
179 const int32x4_t vzero_shift_mask = vreinterpretq_s32_u32(vceqq_s32(vright_shift, vmovq_n_s32(0)));
180 vacc0x0123 = vsraq_n_s32(vacc0x0123, vbicq_s32(vacc0x0123, vzero_shift_mask), 31);
181 vacc0x4567 = vsraq_n_s32(vacc0x4567, vbicq_s32(vacc0x4567, vzero_shift_mask), 31);
182
183 vacc0x0123 = vrshlq_s32(vacc0x0123, vright_shift);
184 vacc0x4567 = vrshlq_s32(vacc0x4567, vright_shift);
185
186 const int16x8_t voutput_zero_point = vld1q_dup_s16(¶ms->neon.output_zero_point);
187 #if XNN_ARCH_ARM64
188 const int16x8_t vacc0x01234567 = vqaddq_s16(vqmovn_high_s32(vqmovn_s32(vacc0x0123), vacc0x4567), voutput_zero_point);
189 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
190 #else
191 const int16x8_t vacc0x01234567 = vqaddq_s16(vcombine_s16(vqmovn_s32(vacc0x0123), vqmovn_s32(vacc0x4567)), voutput_zero_point);
192
193 int8x8_t vout0x01234567 = vqmovn_s16(vacc0x01234567);
194 #endif
195 const int8x8_t voutput_min = vld1_dup_s8(¶ms->neon.output_min);
196 const int8x8_t voutput_max = vld1_dup_s8(¶ms->neon.output_max);
197
198 vout0x01234567 = vmax_s8(vout0x01234567, voutput_min);
199
200 vout0x01234567 = vmin_s8(vout0x01234567, voutput_max);
201
202 if (nc >= 8) {
203 vst1_s8(c0 + 0, vout0x01234567);
204
205 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
206
207 a = (const int8_t**restrict) ((uintptr_t) a - ks);
208
209 nc -= 8;
210 } else {
211 if (nc & 4) {
212 vst1_lane_u32(__builtin_assume_aligned(c0, 1), vreinterpret_u32_s8(vout0x01234567), 0); c0 += 4;
213 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 4);
214 }
215 if (nc & 2) {
216 vst1_lane_u16(__builtin_assume_aligned(c0, 1), vreinterpret_u16_s8(vout0x01234567), 0); c0 += 2;
217 vout0x01234567 = vext_s8(vout0x01234567, vout0x01234567, 2);
218 }
219 if (nc & 1) {
220 vst1_lane_s8(c0, vout0x01234567, 0);
221 }
222
223 nc = 0;
224 }
225 } while (nc != 0);
226 }
227