1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vlrelu/sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2020 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 <emmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vunary.h>
16
17
xnn_f32_vlrelu_ukernel__sse2_x4(size_t n,const float * x,float * y,const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vlrelu_ukernel__sse2_x4(
19 size_t n,
20 const float* x,
21 float* y,
22 const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26
27 const __m128 vslope = _mm_load_ps(params->sse.slope);
28 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
29 const __m128 vx0123 = _mm_loadu_ps(x);
30 x += 4;
31
32 __m128 vacc0123 = _mm_mul_ps(vx0123, vslope);
33 const __m128 vmask0123 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx0123)));
34
35 vacc0123 = _mm_or_ps(_mm_and_ps(vacc0123, vmask0123), _mm_andnot_ps(vmask0123, vx0123));
36
37 _mm_storeu_ps(y, vacc0123);
38 y += 4;
39 }
40 if XNN_UNLIKELY(n != 0) {
41 const __m128 vx = _mm_loadu_ps(x);
42
43 __m128 vacc = _mm_mul_ps(vx, vslope);
44 const __m128 vmask = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
45 vacc = _mm_or_ps(_mm_and_ps(vacc, vmask), _mm_andnot_ps(vmask, vx));
46
47 if (n & (2 * sizeof(float))) {
48 _mm_storel_pi((__m64*) y, vacc);
49 vacc = _mm_movehl_ps(vacc, vacc);
50 y += 2;
51 }
52 if (n & (1 * sizeof(float))) {
53 _mm_store_ss(y, vacc);
54 }
55 }
56 }
57