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_vrndz_ukernel__sse41_x4(size_t n,const float * x,float * y,const union xnn_f32_rnd_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_vrndz_ukernel__sse41_x4(
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 >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
29 const __m128 vx0123 = _mm_loadu_ps(x);
30 x += 4;
31
32 const __m128 vy0123 = _mm_round_ps(vx0123, _MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC);
33
34 _mm_storeu_ps(y, vy0123);
35 y += 4;
36 }
37 if XNN_UNLIKELY(n != 0) {
38 const __m128 vx = _mm_loadu_ps(x);
39 __m128 vy = _mm_round_ps(vx, _MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC);
40 if (n & (2 * sizeof(float))) {
41 _mm_storel_pi((__m64*) y, vy);
42 vy = _mm_movehl_ps(vy, vy);
43 y += 2;
44 }
45 if (n & (1 * sizeof(float))) {
46 _mm_store_ss(y, vy);
47 }
48 }
49 }
50