1 // Auto-generated file. Do not edit!
2 // Template: src/f32-gemm/MRx2-neon-ld64.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/common.h>
15 #include <xnnpack/gemm.h>
16
17
xnn_f32_gemm_ukernel_4x2__neon_lane_ld64(size_t mr,size_t nc,size_t kc,const float * restrict a,size_t a_stride,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_f32_output_params params[restrict static1])18 void xnn_f32_gemm_ukernel_4x2__neon_lane_ld64(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const float* restrict a,
23 size_t a_stride,
24 const float*restrict w,
25 float*restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_f32_output_params params[restrict static 1])
29 {
30 assert(mr != 0);
31 assert(mr <= 4);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(float) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 const float* a0 = a;
40 float* c0 = c;
41 const float* a1 = (const float*) ((uintptr_t) a0 + a_stride);
42 float* c1 = (float*) ((uintptr_t) c0 + cm_stride);
43 if XNN_UNPREDICTABLE(mr < 2) {
44 a1 = a0;
45 c1 = c0;
46 }
47 const float* a2 = (const float*) ((uintptr_t) a1 + a_stride);
48 float* c2 = (float*) ((uintptr_t) c1 + cm_stride);
49 if XNN_UNPREDICTABLE(mr <= 2) {
50 a2 = a1;
51 c2 = c1;
52 }
53 const float* a3 = (const float*) ((uintptr_t) a2 + a_stride);
54 float* c3 = (float*) ((uintptr_t) c2 + cm_stride);
55 if XNN_UNPREDICTABLE(mr != 4) {
56 a3 = a2;
57 c3 = c2;
58 }
59
60 do {
61 float32x2_t vacc0x01 = vld1_f32(w); w += 2;
62 float32x2_t vacc1x01 = vacc0x01;
63 float32x2_t vacc2x01 = vacc0x01;
64 float32x2_t vacc3x01 = vacc0x01;
65
66 size_t k = kc;
67 for (; k >= 2 * sizeof(float); k -= 2 * sizeof(float)) {
68 const float32x2_t va0 = vld1_f32(a0); a0 += 2;
69 const float32x2_t va1 = vld1_f32(a1); a1 += 2;
70 const float32x2_t va2 = vld1_f32(a2); a2 += 2;
71 const float32x2_t va3 = vld1_f32(a3); a3 += 2;
72
73 const float32x2_t vb01c0 = vld1_f32(w); w += 2;
74
75 vacc0x01 = vmla_lane_f32(vacc0x01, vb01c0, va0, 0);
76 vacc1x01 = vmla_lane_f32(vacc1x01, vb01c0, va1, 0);
77 vacc2x01 = vmla_lane_f32(vacc2x01, vb01c0, va2, 0);
78 vacc3x01 = vmla_lane_f32(vacc3x01, vb01c0, va3, 0);
79 const float32x2_t vb01c1 = vld1_f32(w); w += 2;
80
81 vacc0x01 = vmla_lane_f32(vacc0x01, vb01c1, va0, 1);
82 vacc1x01 = vmla_lane_f32(vacc1x01, vb01c1, va1, 1);
83 vacc2x01 = vmla_lane_f32(vacc2x01, vb01c1, va2, 1);
84 vacc3x01 = vmla_lane_f32(vacc3x01, vb01c1, va3, 1);
85 }
86 if XNN_UNLIKELY(k != 0) {
87 const float32x2_t va0 = vld1_dup_f32(a0); a0 += 1;
88 const float32x2_t va1 = vld1_dup_f32(a1); a1 += 1;
89 const float32x2_t va2 = vld1_dup_f32(a2); a2 += 1;
90 const float32x2_t va3 = vld1_dup_f32(a3); a3 += 1;
91
92 const float32x2_t vb01 = vld1_f32(w); w += 2;
93
94 vacc0x01 = vmla_f32(vacc0x01, va0, vb01);
95 vacc1x01 = vmla_f32(vacc1x01, va1, vb01);
96 vacc2x01 = vmla_f32(vacc2x01, va2, vb01);
97 vacc3x01 = vmla_f32(vacc3x01, va3, vb01);
98 }
99
100 const float32x2_t vmax = vld1_dup_f32(¶ms->scalar.max);
101 vacc0x01 = vmin_f32(vacc0x01, vmax);
102 vacc1x01 = vmin_f32(vacc1x01, vmax);
103 vacc2x01 = vmin_f32(vacc2x01, vmax);
104 vacc3x01 = vmin_f32(vacc3x01, vmax);
105
106 const float32x2_t vmin = vld1_dup_f32(¶ms->scalar.min);
107 vacc0x01 = vmax_f32(vacc0x01, vmin);
108 vacc1x01 = vmax_f32(vacc1x01, vmin);
109 vacc2x01 = vmax_f32(vacc2x01, vmin);
110 vacc3x01 = vmax_f32(vacc3x01, vmin);
111
112 if XNN_LIKELY(nc >= 2) {
113 vst1_f32(c0, vacc0x01);
114 c0 = (float*) ((uintptr_t) c0 + cn_stride);
115 vst1_f32(c1, vacc1x01);
116 c1 = (float*) ((uintptr_t) c1 + cn_stride);
117 vst1_f32(c2, vacc2x01);
118 c2 = (float*) ((uintptr_t) c2 + cn_stride);
119 vst1_f32(c3, vacc3x01);
120 c3 = (float*) ((uintptr_t) c3 + cn_stride);
121
122 a0 = (const float*) ((uintptr_t) a0 - kc);
123 a1 = (const float*) ((uintptr_t) a1 - kc);
124 a2 = (const float*) ((uintptr_t) a2 - kc);
125 a3 = (const float*) ((uintptr_t) a3 - kc);
126
127 nc -= 2;
128 } else {
129 assert(nc == 1);
130 vst1_lane_f32(c0, vacc0x01, 0);
131 vst1_lane_f32(c1, vacc1x01, 0);
132 vst1_lane_f32(c2, vacc2x01, 0);
133 vst1_lane_f32(c3, vacc3x01, 0);
134
135 nc = 0;
136 }
137 } while (nc != 0);
138 }
139