xref: /aosp_15_r20/external/XNNPACK/src/f32-spmm/gen/32x1-minmax-neon-pipelined.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)
1*4bdc9457SAndroid Build Coastguard Worker // Auto-generated file. Do not edit!
2*4bdc9457SAndroid Build Coastguard Worker //   Template: src/f32-spmm/neon-pipelined.c.in
3*4bdc9457SAndroid Build Coastguard Worker //   Generator: tools/xngen
4*4bdc9457SAndroid Build Coastguard Worker //
5*4bdc9457SAndroid Build Coastguard Worker // Copyright 2019 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/spmm.h>
15*4bdc9457SAndroid Build Coastguard Worker 
16*4bdc9457SAndroid Build Coastguard Worker 
xnn_f32_spmm_minmax_ukernel_32x1__neon_pipelined(size_t mc,size_t nc,const float * restrict input,const float * restrict weights,const int32_t * restrict widx_dmap,const uint32_t * restrict nidx_nnzmap,float * restrict output,size_t output_stride,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17*4bdc9457SAndroid Build Coastguard Worker void xnn_f32_spmm_minmax_ukernel_32x1__neon_pipelined(
18*4bdc9457SAndroid Build Coastguard Worker     size_t mc,
19*4bdc9457SAndroid Build Coastguard Worker     size_t nc,
20*4bdc9457SAndroid Build Coastguard Worker     const float*restrict input,
21*4bdc9457SAndroid Build Coastguard Worker     const float*restrict weights,
22*4bdc9457SAndroid Build Coastguard Worker     const int32_t*restrict widx_dmap,
23*4bdc9457SAndroid Build Coastguard Worker     const uint32_t*restrict nidx_nnzmap,
24*4bdc9457SAndroid Build Coastguard Worker     float*restrict output,
25*4bdc9457SAndroid Build Coastguard Worker     size_t output_stride,
26*4bdc9457SAndroid Build Coastguard Worker     const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
27*4bdc9457SAndroid Build Coastguard Worker {
28*4bdc9457SAndroid Build Coastguard Worker   assert(mc != 0);
29*4bdc9457SAndroid Build Coastguard Worker   assert(mc % sizeof(float) == 0);
30*4bdc9457SAndroid Build Coastguard Worker   assert(nc != 0);
31*4bdc9457SAndroid Build Coastguard Worker 
32*4bdc9457SAndroid Build Coastguard Worker   const float32x4_t vmin = vld1q_dup_f32(&params->scalar.min);
33*4bdc9457SAndroid Build Coastguard Worker   const float32x4_t vmax = vld1q_dup_f32(&params->scalar.max);
34*4bdc9457SAndroid Build Coastguard Worker   size_t output_decrement = output_stride * nc - 32 * sizeof(float);
35*4bdc9457SAndroid Build Coastguard Worker   while XNN_LIKELY(mc >= 32 * sizeof(float)) {
36*4bdc9457SAndroid Build Coastguard Worker     const float*restrict w = weights;
37*4bdc9457SAndroid Build Coastguard Worker     const int32_t* dmap = widx_dmap;
38*4bdc9457SAndroid Build Coastguard Worker     const uint32_t* nnzmap = nidx_nnzmap;
39*4bdc9457SAndroid Build Coastguard Worker     float32x4_t vw = vld1q_dup_f32(w); w += 1;
40*4bdc9457SAndroid Build Coastguard Worker     intptr_t diff = *dmap++;
41*4bdc9457SAndroid Build Coastguard Worker     float32x4_t vi0123 = vld1q_f32(input);
42*4bdc9457SAndroid Build Coastguard Worker     float32x4_t vi4567 = vld1q_f32(input + 4);
43*4bdc9457SAndroid Build Coastguard Worker     float32x4_t vi89AB = vld1q_f32(input + 8);
44*4bdc9457SAndroid Build Coastguard Worker     float32x4_t viCDEF = vld1q_f32(input + 12);
45*4bdc9457SAndroid Build Coastguard Worker     float32x4_t viGHIJ = vld1q_f32(input + 16);
46*4bdc9457SAndroid Build Coastguard Worker     float32x4_t viKLMN = vld1q_f32(input + 20);
47*4bdc9457SAndroid Build Coastguard Worker     float32x4_t viOPQR = vld1q_f32(input + 24);
48*4bdc9457SAndroid Build Coastguard Worker     float32x4_t viSTUV = vld1q_f32(input + 28);
49*4bdc9457SAndroid Build Coastguard Worker     size_t n = nc;
50*4bdc9457SAndroid Build Coastguard Worker     do {
51*4bdc9457SAndroid Build Coastguard Worker       uint32_t nnz = *nnzmap++;
52*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vacc0123 = vw;
53*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vacc4567 = vw;
54*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vacc89AB = vw;
55*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vaccCDEF = vw;
56*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vaccGHIJ = vw;
57*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vaccKLMN = vw;
58*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vaccOPQR = vw;
59*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vaccSTUV = vw;
60*4bdc9457SAndroid Build Coastguard Worker       vw = vld1q_dup_f32(w); w += 1;
61*4bdc9457SAndroid Build Coastguard Worker       if XNN_LIKELY(nnz != 0) {
62*4bdc9457SAndroid Build Coastguard Worker         do {
63*4bdc9457SAndroid Build Coastguard Worker           vacc0123 = vmlaq_f32(vacc0123, vi0123, vw);
64*4bdc9457SAndroid Build Coastguard Worker           vacc4567 = vmlaq_f32(vacc4567, vi4567, vw);
65*4bdc9457SAndroid Build Coastguard Worker           vacc89AB = vmlaq_f32(vacc89AB, vi89AB, vw);
66*4bdc9457SAndroid Build Coastguard Worker           vaccCDEF = vmlaq_f32(vaccCDEF, viCDEF, vw);
67*4bdc9457SAndroid Build Coastguard Worker           vaccGHIJ = vmlaq_f32(vaccGHIJ, viGHIJ, vw);
68*4bdc9457SAndroid Build Coastguard Worker           vaccKLMN = vmlaq_f32(vaccKLMN, viKLMN, vw);
69*4bdc9457SAndroid Build Coastguard Worker           vaccOPQR = vmlaq_f32(vaccOPQR, viOPQR, vw);
70*4bdc9457SAndroid Build Coastguard Worker           vaccSTUV = vmlaq_f32(vaccSTUV, viSTUV, vw);
71*4bdc9457SAndroid Build Coastguard Worker           input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
72*4bdc9457SAndroid Build Coastguard Worker           __builtin_prefetch(input + 16);
73*4bdc9457SAndroid Build Coastguard Worker           __builtin_prefetch(input + 32);
74*4bdc9457SAndroid Build Coastguard Worker           diff = *dmap++;
75*4bdc9457SAndroid Build Coastguard Worker           vw = vld1q_dup_f32(w); w += 1;
76*4bdc9457SAndroid Build Coastguard Worker           __builtin_prefetch(w + 32);
77*4bdc9457SAndroid Build Coastguard Worker           vi0123 = vld1q_f32(input);
78*4bdc9457SAndroid Build Coastguard Worker           vi4567 = vld1q_f32(input + 4);
79*4bdc9457SAndroid Build Coastguard Worker           vi89AB = vld1q_f32(input + 8);
80*4bdc9457SAndroid Build Coastguard Worker           viCDEF = vld1q_f32(input + 12);
81*4bdc9457SAndroid Build Coastguard Worker           viGHIJ = vld1q_f32(input + 16);
82*4bdc9457SAndroid Build Coastguard Worker           viKLMN = vld1q_f32(input + 20);
83*4bdc9457SAndroid Build Coastguard Worker           viOPQR = vld1q_f32(input + 24);
84*4bdc9457SAndroid Build Coastguard Worker           viSTUV = vld1q_f32(input + 28);
85*4bdc9457SAndroid Build Coastguard Worker         } while (--nnz != 0);
86*4bdc9457SAndroid Build Coastguard Worker       }
87*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
88*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vout4567 = vminq_f32(vacc4567, vmax);
89*4bdc9457SAndroid Build Coastguard Worker       float32x4_t vout89AB = vminq_f32(vacc89AB, vmax);
90*4bdc9457SAndroid Build Coastguard Worker       float32x4_t voutCDEF = vminq_f32(vaccCDEF, vmax);
91*4bdc9457SAndroid Build Coastguard Worker       float32x4_t voutGHIJ = vminq_f32(vaccGHIJ, vmax);
92*4bdc9457SAndroid Build Coastguard Worker       float32x4_t voutKLMN = vminq_f32(vaccKLMN, vmax);
93*4bdc9457SAndroid Build Coastguard Worker       float32x4_t voutOPQR = vminq_f32(vaccOPQR, vmax);
94*4bdc9457SAndroid Build Coastguard Worker       float32x4_t voutSTUV = vminq_f32(vaccSTUV, vmax);
95*4bdc9457SAndroid Build Coastguard Worker       vout0123 = vmaxq_f32(vout0123, vmin);
96*4bdc9457SAndroid Build Coastguard Worker       vout4567 = vmaxq_f32(vout4567, vmin);
97*4bdc9457SAndroid Build Coastguard Worker       vout89AB = vmaxq_f32(vout89AB, vmin);
98*4bdc9457SAndroid Build Coastguard Worker       voutCDEF = vmaxq_f32(voutCDEF, vmin);
99*4bdc9457SAndroid Build Coastguard Worker       voutGHIJ = vmaxq_f32(voutGHIJ, vmin);
100*4bdc9457SAndroid Build Coastguard Worker       voutKLMN = vmaxq_f32(voutKLMN, vmin);
101*4bdc9457SAndroid Build Coastguard Worker       voutOPQR = vmaxq_f32(voutOPQR, vmin);
102*4bdc9457SAndroid Build Coastguard Worker       voutSTUV = vmaxq_f32(voutSTUV, vmin);
103*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output, vout0123);
104*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 4, vout4567);
105*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 8, vout89AB);
106*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 12, voutCDEF);
107*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 16, voutGHIJ);
108*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 20, voutKLMN);
109*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 24, voutOPQR);
110*4bdc9457SAndroid Build Coastguard Worker       vst1q_f32(output + 28, voutSTUV);
111*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output + output_stride);
112*4bdc9457SAndroid Build Coastguard Worker     } while (--n != 0);
113*4bdc9457SAndroid Build Coastguard Worker     output = (float*restrict) ((uintptr_t) output - output_decrement);
114*4bdc9457SAndroid Build Coastguard Worker     input += 32;
115*4bdc9457SAndroid Build Coastguard Worker     mc -= 32 * sizeof(float);
116*4bdc9457SAndroid Build Coastguard Worker   }
117*4bdc9457SAndroid Build Coastguard Worker   if XNN_UNLIKELY(mc != 0) {
118*4bdc9457SAndroid Build Coastguard Worker     output_decrement += 16 * sizeof(float);
119*4bdc9457SAndroid Build Coastguard Worker     if (mc & (16 * sizeof(float))) {
120*4bdc9457SAndroid Build Coastguard Worker       const float*restrict w = weights;
121*4bdc9457SAndroid Build Coastguard Worker       const int32_t* dmap = widx_dmap;
122*4bdc9457SAndroid Build Coastguard Worker       const uint32_t* nnzmap = nidx_nnzmap;
123*4bdc9457SAndroid Build Coastguard Worker       size_t n = nc;
124*4bdc9457SAndroid Build Coastguard Worker       do {
125*4bdc9457SAndroid Build Coastguard Worker         uint32_t nnz = *nnzmap++;
126*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc0123 = vld1q_dup_f32(w); w += 1;
127*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc4567 = vacc0123;
128*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc89AB = vacc0123;
129*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vaccCDEF = vacc0123;
130*4bdc9457SAndroid Build Coastguard Worker         if XNN_LIKELY(nnz != 0) {
131*4bdc9457SAndroid Build Coastguard Worker           do {
132*4bdc9457SAndroid Build Coastguard Worker             const intptr_t diff = *dmap++;
133*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi0123 = vld1q_f32(input);
134*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi4567 = vld1q_f32(input + 4);
135*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi89AB = vld1q_f32(input + 8);
136*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t viCDEF = vld1q_f32(input + 12);
137*4bdc9457SAndroid Build Coastguard Worker             input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
138*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 16);
139*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 32);
140*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vb = vld1q_dup_f32(w); w += 1;
141*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(w + 32);
142*4bdc9457SAndroid Build Coastguard Worker             vacc0123 = vmlaq_f32(vacc0123, vi0123, vb);
143*4bdc9457SAndroid Build Coastguard Worker             vacc4567 = vmlaq_f32(vacc4567, vi4567, vb);
144*4bdc9457SAndroid Build Coastguard Worker             vacc89AB = vmlaq_f32(vacc89AB, vi89AB, vb);
145*4bdc9457SAndroid Build Coastguard Worker             vaccCDEF = vmlaq_f32(vaccCDEF, viCDEF, vb);
146*4bdc9457SAndroid Build Coastguard Worker           } while (--nnz != 0);
147*4bdc9457SAndroid Build Coastguard Worker         }
148*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
149*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout4567 = vminq_f32(vacc4567, vmax);
150*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout89AB = vminq_f32(vacc89AB, vmax);
151*4bdc9457SAndroid Build Coastguard Worker         float32x4_t voutCDEF = vminq_f32(vaccCDEF, vmax);
152*4bdc9457SAndroid Build Coastguard Worker         vout0123 = vmaxq_f32(vout0123, vmin);
153*4bdc9457SAndroid Build Coastguard Worker         vout4567 = vmaxq_f32(vout4567, vmin);
154*4bdc9457SAndroid Build Coastguard Worker         vout89AB = vmaxq_f32(vout89AB, vmin);
155*4bdc9457SAndroid Build Coastguard Worker         voutCDEF = vmaxq_f32(voutCDEF, vmin);
156*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output, vout0123);
157*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output + 4, vout4567);
158*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output + 8, vout89AB);
159*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output + 12, voutCDEF);
160*4bdc9457SAndroid Build Coastguard Worker         output = (float*restrict) ((uintptr_t) output + output_stride);
161*4bdc9457SAndroid Build Coastguard Worker       } while (--n != 0);
162*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output - output_decrement);
163*4bdc9457SAndroid Build Coastguard Worker       input += 16;
164*4bdc9457SAndroid Build Coastguard Worker     }
165*4bdc9457SAndroid Build Coastguard Worker     output_decrement += 8 * sizeof(float);
166*4bdc9457SAndroid Build Coastguard Worker     if (mc & (8 * sizeof(float))) {
167*4bdc9457SAndroid Build Coastguard Worker       const float*restrict w = weights;
168*4bdc9457SAndroid Build Coastguard Worker       const int32_t* dmap = widx_dmap;
169*4bdc9457SAndroid Build Coastguard Worker       const uint32_t* nnzmap = nidx_nnzmap;
170*4bdc9457SAndroid Build Coastguard Worker       size_t n = nc;
171*4bdc9457SAndroid Build Coastguard Worker       do {
172*4bdc9457SAndroid Build Coastguard Worker         uint32_t nnz = *nnzmap++;
173*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc0123 = vld1q_dup_f32(w); w += 1;
174*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc4567 = vacc0123;
175*4bdc9457SAndroid Build Coastguard Worker         if XNN_LIKELY(nnz != 0) {
176*4bdc9457SAndroid Build Coastguard Worker           do {
177*4bdc9457SAndroid Build Coastguard Worker             const intptr_t diff = *dmap++;
178*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi0123 = vld1q_f32(input);
179*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi4567 = vld1q_f32(input + 4);
180*4bdc9457SAndroid Build Coastguard Worker             input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
181*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 16);
182*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 32);
183*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vb = vld1q_dup_f32(w); w += 1;
184*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(w + 32);
185*4bdc9457SAndroid Build Coastguard Worker             vacc0123 = vmlaq_f32(vacc0123, vi0123, vb);
186*4bdc9457SAndroid Build Coastguard Worker             vacc4567 = vmlaq_f32(vacc4567, vi4567, vb);
187*4bdc9457SAndroid Build Coastguard Worker           } while (--nnz != 0);
188*4bdc9457SAndroid Build Coastguard Worker         }
189*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
190*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout4567 = vminq_f32(vacc4567, vmax);
191*4bdc9457SAndroid Build Coastguard Worker         vout0123 = vmaxq_f32(vout0123, vmin);
192*4bdc9457SAndroid Build Coastguard Worker         vout4567 = vmaxq_f32(vout4567, vmin);
193*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output, vout0123);
194*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output + 4, vout4567);
195*4bdc9457SAndroid Build Coastguard Worker         output = (float*restrict) ((uintptr_t) output + output_stride);
196*4bdc9457SAndroid Build Coastguard Worker       } while (--n != 0);
197*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output - output_decrement);
198*4bdc9457SAndroid Build Coastguard Worker       input += 8;
199*4bdc9457SAndroid Build Coastguard Worker     }
200*4bdc9457SAndroid Build Coastguard Worker     output_decrement += 4 * sizeof(float);
201*4bdc9457SAndroid Build Coastguard Worker     if (mc & (4 * sizeof(float))) {
202*4bdc9457SAndroid Build Coastguard Worker       const float*restrict w = weights;
203*4bdc9457SAndroid Build Coastguard Worker       const int32_t* dmap = widx_dmap;
204*4bdc9457SAndroid Build Coastguard Worker       const uint32_t* nnzmap = nidx_nnzmap;
205*4bdc9457SAndroid Build Coastguard Worker       size_t n = nc;
206*4bdc9457SAndroid Build Coastguard Worker       do {
207*4bdc9457SAndroid Build Coastguard Worker         uint32_t nnz = *nnzmap++;
208*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vacc0123 = vld1q_dup_f32(w); w += 1;
209*4bdc9457SAndroid Build Coastguard Worker         if XNN_LIKELY(nnz != 0) {
210*4bdc9457SAndroid Build Coastguard Worker           do {
211*4bdc9457SAndroid Build Coastguard Worker             const intptr_t diff = *dmap++;
212*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vi0123 = vld1q_f32(input);
213*4bdc9457SAndroid Build Coastguard Worker             input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
214*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 16);
215*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 32);
216*4bdc9457SAndroid Build Coastguard Worker             const float32x4_t vb = vld1q_dup_f32(w); w += 1;
217*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(w + 32);
218*4bdc9457SAndroid Build Coastguard Worker             vacc0123 = vmlaq_f32(vacc0123, vi0123, vb);
219*4bdc9457SAndroid Build Coastguard Worker           } while (--nnz != 0);
220*4bdc9457SAndroid Build Coastguard Worker         }
221*4bdc9457SAndroid Build Coastguard Worker         float32x4_t vout0123 = vminq_f32(vacc0123, vmax);
222*4bdc9457SAndroid Build Coastguard Worker         vout0123 = vmaxq_f32(vout0123, vmin);
223*4bdc9457SAndroid Build Coastguard Worker         vst1q_f32(output, vout0123);
224*4bdc9457SAndroid Build Coastguard Worker         output = (float*restrict) ((uintptr_t) output + output_stride);
225*4bdc9457SAndroid Build Coastguard Worker       } while (--n != 0);
226*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output - output_decrement);
227*4bdc9457SAndroid Build Coastguard Worker       input += 4;
228*4bdc9457SAndroid Build Coastguard Worker     }
229*4bdc9457SAndroid Build Coastguard Worker     output_decrement += 2 * sizeof(float);
230*4bdc9457SAndroid Build Coastguard Worker     if (mc & (2 * sizeof(float))) {
231*4bdc9457SAndroid Build Coastguard Worker       const float*restrict w = weights;
232*4bdc9457SAndroid Build Coastguard Worker       const int32_t* dmap = widx_dmap;
233*4bdc9457SAndroid Build Coastguard Worker       const uint32_t* nnzmap = nidx_nnzmap;
234*4bdc9457SAndroid Build Coastguard Worker       size_t n = nc;
235*4bdc9457SAndroid Build Coastguard Worker       do {
236*4bdc9457SAndroid Build Coastguard Worker         uint32_t nnz = *nnzmap++;
237*4bdc9457SAndroid Build Coastguard Worker         float32x2_t vacc01 = vld1_dup_f32(w); w += 1;
238*4bdc9457SAndroid Build Coastguard Worker         if XNN_LIKELY(nnz != 0) {
239*4bdc9457SAndroid Build Coastguard Worker           do {
240*4bdc9457SAndroid Build Coastguard Worker             const intptr_t diff = *dmap++;
241*4bdc9457SAndroid Build Coastguard Worker             const float32x2_t vi01 = vld1_f32(input);
242*4bdc9457SAndroid Build Coastguard Worker             input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
243*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 16);
244*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 32);
245*4bdc9457SAndroid Build Coastguard Worker             const float32x2_t vb = vld1_dup_f32(w); w += 1;
246*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(w + 32);
247*4bdc9457SAndroid Build Coastguard Worker             vacc01 = vmla_f32(vacc01, vi01, vb);
248*4bdc9457SAndroid Build Coastguard Worker           } while (--nnz != 0);
249*4bdc9457SAndroid Build Coastguard Worker         }
250*4bdc9457SAndroid Build Coastguard Worker         float32x2_t vout01 = vmin_f32(vacc01, vget_low_f32(vmax));
251*4bdc9457SAndroid Build Coastguard Worker         vout01 = vmax_f32(vout01, vget_low_f32(vmin));
252*4bdc9457SAndroid Build Coastguard Worker         vst1_f32(output, vout01);
253*4bdc9457SAndroid Build Coastguard Worker         output = (float*restrict) ((uintptr_t) output + output_stride);
254*4bdc9457SAndroid Build Coastguard Worker       } while (--n != 0);
255*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output - output_decrement);
256*4bdc9457SAndroid Build Coastguard Worker       input += 2;
257*4bdc9457SAndroid Build Coastguard Worker     }
258*4bdc9457SAndroid Build Coastguard Worker     output_decrement += 1 * sizeof(float);
259*4bdc9457SAndroid Build Coastguard Worker     if (mc & (1 * sizeof(float))) {
260*4bdc9457SAndroid Build Coastguard Worker       const float*restrict w = weights;
261*4bdc9457SAndroid Build Coastguard Worker       const int32_t* dmap = widx_dmap;
262*4bdc9457SAndroid Build Coastguard Worker       const uint32_t* nnzmap = nidx_nnzmap;
263*4bdc9457SAndroid Build Coastguard Worker       size_t n = nc;
264*4bdc9457SAndroid Build Coastguard Worker       do {
265*4bdc9457SAndroid Build Coastguard Worker         uint32_t nnz = *nnzmap++;
266*4bdc9457SAndroid Build Coastguard Worker         float32x2_t vacc0 = vld1_dup_f32(w); w += 1;
267*4bdc9457SAndroid Build Coastguard Worker         if XNN_LIKELY(nnz != 0) {
268*4bdc9457SAndroid Build Coastguard Worker           do {
269*4bdc9457SAndroid Build Coastguard Worker             const intptr_t diff = *dmap++;
270*4bdc9457SAndroid Build Coastguard Worker             const float32x2_t vi0 = vld1_dup_f32(input);
271*4bdc9457SAndroid Build Coastguard Worker             input = (const float*restrict) ((uintptr_t) input + (uintptr_t) diff);
272*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 16);
273*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(input + 32);
274*4bdc9457SAndroid Build Coastguard Worker             const float32x2_t vb = vld1_dup_f32(w); w += 1;
275*4bdc9457SAndroid Build Coastguard Worker             __builtin_prefetch(w + 32);
276*4bdc9457SAndroid Build Coastguard Worker             vacc0 = vmla_f32(vacc0, vi0, vb);
277*4bdc9457SAndroid Build Coastguard Worker           } while (--nnz != 0);
278*4bdc9457SAndroid Build Coastguard Worker         }
279*4bdc9457SAndroid Build Coastguard Worker         float32x2_t vout0 = vmin_f32(vacc0, vget_low_f32(vmax));
280*4bdc9457SAndroid Build Coastguard Worker         vout0 = vmax_f32(vout0, vget_low_f32(vmin));
281*4bdc9457SAndroid Build Coastguard Worker         vst1_lane_f32(output, vout0, 0);
282*4bdc9457SAndroid Build Coastguard Worker         output = (float*restrict) ((uintptr_t) output + output_stride);
283*4bdc9457SAndroid Build Coastguard Worker       } while (--n != 0);
284*4bdc9457SAndroid Build Coastguard Worker       output = (float*restrict) ((uintptr_t) output - output_decrement);
285*4bdc9457SAndroid Build Coastguard Worker       input += 1;
286*4bdc9457SAndroid Build Coastguard Worker     }
287*4bdc9457SAndroid Build Coastguard Worker   }
288*4bdc9457SAndroid Build Coastguard Worker }
289