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1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-igemm/neon-shuffle.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2019 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 
16 
xnn_f32_igemm_minmax_ukernel_1x8s4__neonfma(size_t mr,size_t nc,size_t kc,size_t ks,const float ** restrict a,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const float * zero,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_igemm_minmax_ukernel_1x8s4__neonfma(
18     size_t mr,
19     size_t nc,
20     size_t kc,
21     size_t ks,
22     const float**restrict a,
23     const float*restrict w,
24     float*restrict c,
25     size_t cm_stride,
26     size_t cn_stride,
27     size_t a_offset,
28     const float* zero,
29     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31   assert(mr != 0);
32   assert(mr <= 1);
33   assert(nc != 0);
34   assert(kc != 0);
35   assert(kc % sizeof(float) == 0);
36   assert(ks != 0);
37   assert(ks % (1 * sizeof(void*)) == 0);
38   assert(a_offset % sizeof(float) == 0);
39   assert(a != NULL);
40   assert(w != NULL);
41   assert(c != NULL);
42 
43   float* c0 = c;
44 
45   do {
46     float32x4_t vacc0x0123 = vld1q_f32(w); w += 4;
47     float32x4_t vacc0x4567 = vld1q_f32(w); w += 4;
48 
49     size_t p = ks;
50     do {
51       const float* restrict a0 = a[0];
52       assert(a0 != NULL);
53       if XNN_UNPREDICTABLE(a0 != zero) {
54         a0 = (const float*) ((uintptr_t) a0 + a_offset);
55       }
56       a += 1;
57 
58       size_t k = kc;
59       while (k >= 4 * sizeof(float)) {
60         float32x4_t va0 = vld1q_f32(a0); a0 += 4;
61 
62 
63         const float32x4_t vb0123c0 = vld1q_f32(w + 0);
64         const float32x4_t vb4567c0 = vld1q_f32(w + 4);
65 
66         vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c0);
67         vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c0);
68 
69         va0 = vextq_f32(va0, va0, 1);
70 
71         const float32x4_t vb0123c1 = vld1q_f32(w + 8);
72         const float32x4_t vb4567c1 = vld1q_f32(w + 12);
73 
74         vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c1);
75         vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c1);
76 
77         va0 = vextq_f32(va0, va0, 1);
78 
79         const float32x4_t vb0123c2 = vld1q_f32(w + 16);
80         const float32x4_t vb4567c2 = vld1q_f32(w + 20);
81 
82         vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c2);
83         vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c2);
84 
85         va0 = vextq_f32(va0, va0, 1);
86 
87         const float32x4_t vb0123c3 = vld1q_f32(w + 24);
88         const float32x4_t vb4567c3 = vld1q_f32(w + 28);
89 
90         vacc0x0123 = vfmaq_f32(vacc0x0123, va0, vb0123c3);
91         vacc0x4567 = vfmaq_f32(vacc0x4567, va0, vb4567c3);
92 
93 
94         w += 32;
95         k -= 4 * sizeof(float);
96       }
97       if XNN_UNLIKELY(k != 0) {
98         float32x4_t va0 = vld1q_f32(a0); a0 = (const float*) ((uintptr_t) a0 + k);
99 
100 
101         const float32x4_t vb0123c0 = vld1q_f32(w); w += 4;
102         const float32x4_t vb4567c0 = vld1q_f32(w); w += 4;
103 
104         const float32x4_t vmska0x0123c0 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb0123c0, vmovq_n_f32(0.0f))));
105         vacc0x0123 = vfmaq_f32(vacc0x0123, vmska0x0123c0, vb0123c0);
106         const float32x4_t vmska0x4567c0 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb4567c0, vmovq_n_f32(0.0f))));
107         vacc0x4567 = vfmaq_f32(vacc0x4567, vmska0x4567c0, vb4567c0);
108 
109         va0 = vextq_f32(va0, va0, 1);
110 
111         const float32x4_t vb0123c1 = vld1q_f32(w); w += 4;
112         const float32x4_t vb4567c1 = vld1q_f32(w); w += 4;
113 
114         const float32x4_t vmska0x0123c1 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb0123c1, vmovq_n_f32(0.0f))));
115         vacc0x0123 = vfmaq_f32(vacc0x0123, vmska0x0123c1, vb0123c1);
116         const float32x4_t vmska0x4567c1 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb4567c1, vmovq_n_f32(0.0f))));
117         vacc0x4567 = vfmaq_f32(vacc0x4567, vmska0x4567c1, vb4567c1);
118 
119         va0 = vextq_f32(va0, va0, 1);
120 
121         const float32x4_t vb0123c2 = vld1q_f32(w); w += 4;
122         const float32x4_t vb4567c2 = vld1q_f32(w); w += 4;
123 
124         const float32x4_t vmska0x0123c2 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb0123c2, vmovq_n_f32(0.0f))));
125         vacc0x0123 = vfmaq_f32(vacc0x0123, vmska0x0123c2, vb0123c2);
126         const float32x4_t vmska0x4567c2 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb4567c2, vmovq_n_f32(0.0f))));
127         vacc0x4567 = vfmaq_f32(vacc0x4567, vmska0x4567c2, vb4567c2);
128 
129         va0 = vextq_f32(va0, va0, 1);
130 
131         const float32x4_t vb0123c3 = vld1q_f32(w); w += 4;
132         const float32x4_t vb4567c3 = vld1q_f32(w); w += 4;
133 
134         const float32x4_t vmska0x0123c3 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb0123c3, vmovq_n_f32(0.0f))));
135         vacc0x0123 = vfmaq_f32(vacc0x0123, vmska0x0123c3, vb0123c3);
136         const float32x4_t vmska0x4567c3 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(va0), vceqq_f32(vb4567c3, vmovq_n_f32(0.0f))));
137         vacc0x4567 = vfmaq_f32(vacc0x4567, vmska0x4567c3, vb4567c3);
138 
139       }
140 
141       p -= 1 * sizeof(void*);
142     } while (p != 0);
143 
144     const float32x4_t vmax = vld1q_dup_f32(&params->scalar.max);
145     vacc0x0123 = vminq_f32(vacc0x0123, vmax);
146     vacc0x4567 = vminq_f32(vacc0x4567, vmax);
147 
148     const float32x4_t vmin = vld1q_dup_f32(&params->scalar.min);
149     vacc0x0123 = vmaxq_f32(vacc0x0123, vmin);
150     vacc0x4567 = vmaxq_f32(vacc0x4567, vmin);
151 
152     if XNN_LIKELY(nc >= 8) {
153       vst1q_f32(c0, vacc0x0123);
154       vst1q_f32(c0 + 4, vacc0x4567);
155       c0 = (float*) ((uintptr_t) c0 + cn_stride);
156 
157       a = (const float**restrict) ((uintptr_t) a - ks);
158       nc -= 8;
159     } else {
160       if (nc & 4) {
161         vst1q_f32(c0, vacc0x0123); c0 += 4;
162 
163         vacc0x0123 = vacc0x4567;
164       }
165       float32x2_t vacc0x01 = vget_low_f32(vacc0x0123);
166       if (nc & 2) {
167         vst1_f32(c0, vacc0x01); c0 += 2;
168 
169         vacc0x01 = vget_high_f32(vacc0x0123);
170       }
171       if (nc & 1) {
172         vst1_lane_f32(c0, vacc0x01, 0);
173       }
174 
175       nc = 0;
176     }
177   } while (nc != 0);
178 }
179