| // Auto-generated file. Do not edit! |
| // Template: src/f32-vlrelu/sse.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2020 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <xmmintrin.h> |
| |
| #include <xnnpack/common.h> |
| #include <xnnpack/vunary.h> |
| |
| |
| void xnn_f32_vlrelu_ukernel__sse_x8( |
| size_t n, |
| const float* x, |
| float* y, |
| const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| |
| const __m128 vslope = _mm_load_ps(params->sse.slope); |
| const __m128 vzero = _mm_setzero_ps(); |
| for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) { |
| __m128 vx0123 = _mm_loadu_ps(x); |
| __m128 vx4567 = _mm_loadu_ps(x + 4); |
| x += 8; |
| |
| __m128 vacc0123 = _mm_max_ps(_mm_setzero_ps(), vx0123); |
| vx0123 = _mm_min_ps(vx0123, vzero); |
| __m128 vacc4567 = _mm_max_ps(_mm_setzero_ps(), vx4567); |
| vx4567 = _mm_min_ps(vx4567, vzero); |
| |
| vacc0123 = _mm_add_ps(vacc0123, _mm_mul_ps(vx0123, vslope)); |
| vacc4567 = _mm_add_ps(vacc4567, _mm_mul_ps(vx4567, vslope)); |
| |
| _mm_storeu_ps(y, vacc0123); |
| _mm_storeu_ps(y + 4, vacc4567); |
| y += 8; |
| } |
| for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { |
| __m128 vx = _mm_loadu_ps(x); |
| x += 4; |
| |
| __m128 vacc = _mm_max_ps(_mm_setzero_ps(), vx); |
| vx = _mm_min_ps(vx, vzero); |
| vacc = _mm_add_ps(vacc, _mm_mul_ps(vx, vslope)); |
| |
| _mm_storeu_ps(y, vacc); |
| y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| __m128 vx = _mm_loadu_ps(x); |
| |
| __m128 vacc = _mm_max_ps(_mm_setzero_ps(), vx); |
| vx = _mm_min_ps(vx, vzero); |
| vacc = _mm_add_ps(vacc, _mm_mul_ps(vx, vslope)); |
| |
| if (n & (2 * sizeof(float))) { |
| _mm_storel_pi((__m64*) y, vacc); |
| vacc = _mm_movehl_ps(vacc, vacc); |
| y += 2; |
| } |
| if (n & (1 * sizeof(float))) { |
| _mm_store_ss(y, vacc); |
| } |
| } |
| } |