1 // Auto-generated file. Do not edit!
2 // Template: src/f16-vlrelu/f16c.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2022 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/common.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/vunary.h>
17
18
xnn_f16_vlrelu_ukernel__f16c_x8(size_t batch,const void * input,void * output,const union xnn_f16_lrelu_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f16_vlrelu_ukernel__f16c_x8(
20 size_t batch,
21 const void* input,
22 void* output,
23 const union xnn_f16_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24 {
25 assert(batch != 0);
26 assert(batch % sizeof(uint16_t) == 0);
27
28 const __m256 vslope = _mm256_load_ps(params->avx.slope);
29 const uint16_t* i = (const uint16_t*) input;
30 uint16_t* o = (uint16_t*) output;
31 for (; batch >= 8 * sizeof(uint16_t); batch -= 8 * sizeof(uint16_t)) {
32 const __m256 vx = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i));
33 i += 8;
34
35 __m256 vacc = _mm256_mul_ps(vx, vslope);
36 vacc = _mm256_blendv_ps(vx, vacc, vx);
37
38 _mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vacc, _MM_FROUND_NO_EXC));
39 o += 8;
40 }
41 if XNN_UNLIKELY(batch != 0) {
42 const __m256 vx = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i));
43
44 __m256 vacc = _mm256_mul_ps(vx, vslope);
45 vacc = _mm256_blendv_ps(vx, vacc, vx);
46
47 __m128i vh = _mm256_cvtps_ph(vacc, _MM_FROUND_NO_EXC);
48 if (batch & (4 * sizeof(uint16_t))) {
49 _mm_storel_epi64((__m128i*) o, vh);
50 vh = _mm_unpackhi_epi64(vh, vh);
51 o += 4;
52 }
53 if (batch & (2 * sizeof(uint16_t))) {
54 _mm_storeu_si32(o, vh);
55 vh = _mm_srli_epi64(vh, 32);
56 o += 2;
57 }
58 if (batch & (1 * sizeof(uint16_t))) {
59 *o = _mm_extract_epi16(vh, 0);
60 }
61 }
62 }
63