1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-ibilinear/sse.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 <immintrin.h>
13 
14 #include <xnnpack/ibilinear.h>
15 
16 
xnn_f32_ibilinear_ukernel__sse_c8(size_t output_pixels,size_t channels,const float ** restrict input,size_t input_offset,const float * restrict weights,float * restrict output,size_t output_increment)17 void xnn_f32_ibilinear_ukernel__sse_c8(
18     size_t output_pixels,
19     size_t channels,
20     const float**restrict input,
21     size_t input_offset,
22     const float*restrict weights,
23     float*restrict output,
24     size_t output_increment) XNN_DISABLE_TSAN
25 {
26   assert(output_pixels != 0);
27   assert(channels != 0);
28   assert(channels % sizeof(float) == 0);
29 
30   do {
31     const float* i0 = (const float*) ((uintptr_t) input[0] + input_offset);
32     const float* i1 = (const float*) ((uintptr_t) input[1] + input_offset);
33     const float* i2 = (const float*) ((uintptr_t) input[2] + input_offset);
34     const float* i3 = (const float*) ((uintptr_t) input[3] + input_offset);
35     input += 4;
36 
37     __m128 valphahv = _mm_loadl_pi(_mm_undefined_ps(), (const __m64*) weights);
38     valphahv = _mm_unpacklo_ps(valphahv, valphahv);
39     const __m128 valphah = _mm_movelh_ps(valphahv, valphahv);
40     const __m128 valphav = _mm_movehl_ps(valphahv, valphahv);
41     weights += 2;
42 
43     size_t c = channels;
44     for (; c >= 8 * sizeof(float); c -= 8 * sizeof(float)) {
45       const __m128 vtl0123 = _mm_loadu_ps(i0);
46       const __m128 vtr0123 = _mm_loadu_ps(i1);
47       const __m128 vbl0123 = _mm_loadu_ps(i2);
48       const __m128 vbr0123 = _mm_loadu_ps(i3);
49       const __m128 vtl4567 = _mm_loadu_ps(i0 + 4);
50       const __m128 vtr4567 = _mm_loadu_ps(i1 + 4);
51       const __m128 vbl4567 = _mm_loadu_ps(i2 + 4);
52       const __m128 vbr4567 = _mm_loadu_ps(i3 + 4);
53       i0 += 8;
54       i1 += 8;
55       i2 += 8;
56       i3 += 8;
57 
58       const __m128 vtd0123 = _mm_sub_ps(vtr0123, vtl0123);
59       const __m128 vbd0123 = _mm_sub_ps(vbr0123, vbl0123);
60       const __m128 vtd4567 = _mm_sub_ps(vtr4567, vtl4567);
61       const __m128 vbd4567 = _mm_sub_ps(vbr4567, vbl4567);
62 
63       const __m128 vt0123 = _mm_add_ps(vtl0123, _mm_mul_ps(vtd0123, valphah));
64       const __m128 vb0123 = _mm_add_ps(vbl0123, _mm_mul_ps(vbd0123, valphah));
65       const __m128 vt4567 = _mm_add_ps(vtl4567, _mm_mul_ps(vtd4567, valphah));
66       const __m128 vb4567 = _mm_add_ps(vbl4567, _mm_mul_ps(vbd4567, valphah));
67 
68       const __m128 vd0123 = _mm_sub_ps(vb0123, vt0123);
69       const __m128 vd4567 = _mm_sub_ps(vb4567, vt4567);
70 
71       const __m128 vo0123 = _mm_add_ps(vt0123, _mm_mul_ps(vd0123, valphav));
72       const __m128 vo4567 = _mm_add_ps(vt4567, _mm_mul_ps(vd4567, valphav));
73 
74       _mm_storeu_ps(output, vo0123);
75       _mm_storeu_ps(output + 4, vo4567);
76       output += 8;
77     }
78     for (; c >= 4 * sizeof(float); c -= 4 * sizeof(float)) {
79       const __m128 vtl0123 = _mm_loadu_ps(i0);
80       const __m128 vtr0123 = _mm_loadu_ps(i1);
81       const __m128 vbl0123 = _mm_loadu_ps(i2);
82       const __m128 vbr0123 = _mm_loadu_ps(i3);
83       i0 += 4;
84       i1 += 4;
85       i2 += 4;
86       i3 += 4;
87 
88       const __m128 vtd0123 = _mm_sub_ps(vtr0123, vtl0123);
89       const __m128 vbd0123 = _mm_sub_ps(vbr0123, vbl0123);
90 
91       const __m128 vt0123 = _mm_add_ps(vtl0123, _mm_mul_ps(vtd0123, valphah));
92       const __m128 vb0123 = _mm_add_ps(vbl0123, _mm_mul_ps(vbd0123, valphah));
93 
94       const __m128 vd0123 = _mm_sub_ps(vb0123, vt0123);
95 
96       const __m128 vo0123 = _mm_add_ps(vt0123, _mm_mul_ps(vd0123, valphav));
97 
98       _mm_storeu_ps(output, vo0123);
99       output += 4;
100     }
101     if XNN_UNLIKELY(c != 0) {
102       const __m128 vtl0123 = _mm_loadu_ps(i0);
103       const __m128 vtr0123 = _mm_loadu_ps(i1);
104       const __m128 vbl0123 = _mm_loadu_ps(i2);
105       const __m128 vbr0123 = _mm_loadu_ps(i3);
106 
107       const __m128 vtd0123 = _mm_sub_ps(vtr0123, vtl0123);
108       const __m128 vbd0123 = _mm_sub_ps(vbr0123, vbl0123);
109 
110       const __m128 vt0123 = _mm_add_ps(vtl0123, _mm_mul_ps(vtd0123, valphah));
111       const __m128 vb0123 = _mm_add_ps(vbl0123, _mm_mul_ps(vbd0123, valphah));
112 
113       const __m128 vd0123 = _mm_sub_ps(vb0123, vt0123);
114 
115       __m128 vo0123 = _mm_add_ps(vt0123, _mm_mul_ps(vd0123, valphav));
116 
117       if (c & (2 * sizeof(float))) {
118         _mm_storel_pi((__m64*) output, vo0123);
119         vo0123 = _mm_movehl_ps(vo0123, vo0123);
120         output += 2;
121       }
122       if (c & (1 * sizeof(float))) {
123         _mm_store_ss(output, vo0123);
124         output += 1;
125       }
126     }
127 
128     output = (float*) ((uintptr_t) output + output_increment);
129   } while (--output_pixels != 0);
130 }
131