1 // Auto-generated file. Do not edit!
2 // Template: src/f16-vbinary/vop-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/vbinary.h>
16
17
xnn_f16_vmin_ukernel__f16c_x8(size_t n,const void * restrict a_ptr,const void * restrict b_ptr,void * restrict y_ptr,const union xnn_f16_default_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_vmin_ukernel__f16c_x8(
19 size_t n,
20 const void* restrict a_ptr,
21 const void* restrict b_ptr,
22 void* restrict y_ptr,
23 const union xnn_f16_default_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
24 {
25 assert(n != 0);
26 assert(n % sizeof(uint16_t) == 0);
27 assert(a_ptr != NULL);
28 assert(b_ptr != NULL);
29 assert(y_ptr != NULL);
30
31 const uint16_t* a = (const uint16_t*) a_ptr;
32 const uint16_t* b = (const uint16_t*) b_ptr;
33 uint16_t* y = (uint16_t*) y_ptr;
34
35
36 for (; n >= 8 * sizeof(uint16_t); n -= 8 * sizeof(uint16_t)) {
37 const __m256 va = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) a));
38 const __m256 vb = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) b));
39 a += 8;
40 b += 8;
41
42 __m256 vy = _mm256_cvtph_ps(_mm256_cvtps_ph(_mm256_min_ps(va, vb), _MM_FROUND_NO_EXC));
43
44
45 _mm_storeu_si128((__m128i*) y, _mm256_cvtps_ph(vy, _MM_FROUND_NO_EXC));
46 y += 8;
47 }
48 if XNN_UNLIKELY(n != 0) {
49 const __m256 va = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) a));
50 const __m256 vb = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) b));
51
52 __m256 vy = _mm256_cvtph_ps(_mm256_cvtps_ph(_mm256_min_ps(va, vb), _MM_FROUND_NO_EXC));
53
54
55 __m128i vh = _mm256_cvtps_ph(vy, _MM_FROUND_NO_EXC);
56 if (n & (4 * sizeof(uint16_t))) {
57 _mm_storel_epi64((__m128i*) y, vh);
58 vh = _mm_unpackhi_epi64(vh, vh);
59 y += 4;
60 }
61 if (n & (2 * sizeof(uint16_t))) {
62 *((uint32_t*) y) = (uint32_t) _mm_cvtsi128_si32(vh);
63 vh = _mm_srli_epi64(vh, 32);
64 y += 2;
65 }
66 if (n & (1 * sizeof(uint16_t))) {
67 *y = (uint16_t) _mm_extract_epi16(vh, 0);
68 }
69 }
70 }
71