1 // Auto-generated file. Do not edit!
2 // Template: src/f32-clamp/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 <xmmintrin.h>
13
14 #include <xnnpack/clamp.h>
15 #include <xnnpack/common.h>
16
17
xnn_f32_clamp_ukernel__sse_x4(size_t n,const float * x,float * y,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_clamp_ukernel__sse_x4(
19 size_t n,
20 const float* x,
21 float* y,
22 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24 assert(n != 0);
25 assert(n % sizeof(float) == 0);
26 assert(x != NULL);
27 assert(y != NULL);
28
29 const __m128 vy_min = _mm_load_ps(params->sse.min);
30 const __m128 vy_max = _mm_load_ps(params->sse.max);
31
32 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
33 __m128 vacc0123 = _mm_loadu_ps(x);
34 x += 4;
35
36 vacc0123 = _mm_max_ps(vacc0123, vy_min);
37
38 vacc0123 = _mm_min_ps(vacc0123, vy_max);
39
40 _mm_storeu_ps(y, vacc0123);
41 y += 4;
42 }
43 if XNN_UNLIKELY(n != 0) {
44 __m128 vacc = _mm_loadu_ps(x);
45 vacc = _mm_max_ps(vacc, vy_min);
46 vacc = _mm_min_ps(vacc, vy_max);
47
48 if (n & (2 * sizeof(float))) {
49 _mm_storel_pi((__m64*) y, vacc);
50 vacc = _mm_movehl_ps(vacc, vacc);
51 y += 2;
52 }
53 if (n & (1 * sizeof(float))) {
54 _mm_store_ss(y, vacc);
55 }
56 }
57 }
58