1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-vrnd/sse41.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 <smmintrin.h>
13 
14 #include <xnnpack/common.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/vunary.h>
17 
18 
xnn_f32_vrndu_ukernel__sse41_x8(size_t n,const float * x,float * y,const union xnn_f32_rnd_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_vrndu_ukernel__sse41_x8(
20     size_t n,
21     const float* x,
22     float* y,
23     const union xnn_f32_rnd_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
24 {
25   assert(n != 0);
26   assert(n % sizeof(float) == 0);
27 
28   for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
29     const __m128 vx0123 = _mm_loadu_ps(x);
30     const __m128 vx4567 = _mm_loadu_ps(x + 4);
31     x += 8;
32 
33     const __m128 vy0123 = _mm_round_ps(vx0123, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC);
34     const __m128 vy4567 = _mm_round_ps(vx4567, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC);
35 
36     _mm_storeu_ps(y, vy0123);
37     _mm_storeu_ps(y + 4, vy4567);
38     y += 8;
39   }
40   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
41     const __m128 vx = _mm_loadu_ps(x);
42     x += 4;
43 
44     const __m128 vy = _mm_round_ps(vx, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC);
45 
46     _mm_storeu_ps(y, vy);
47     y += 4;
48   }
49   if XNN_UNLIKELY(n != 0) {
50     const __m128 vx = _mm_loadu_ps(x);
51     __m128 vy = _mm_round_ps(vx, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC);
52     if (n & (2 * sizeof(float))) {
53       _mm_storel_pi((__m64*) y, vy);
54       vy = _mm_movehl_ps(vy, vy);
55       y += 2;
56     }
57     if (n & (1 * sizeof(float))) {
58       _mm_store_ss(y, vy);
59     }
60   }
61 }
62