1// Copyright 2020 Google LLC 2// 3// This source code is licensed under the BSD-style license found in the 4// LICENSE file in the root directory of this source tree. 5 6$assert BATCH_TILE % 4 == 0 7$assert BATCH_TILE >= 4 8$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" 9#include <assert.h> 10 11#include <xmmintrin.h> 12 13#include <xnnpack/clamp.h> 14#include <xnnpack/common.h> 15 16 17void xnn_f32_clamp_ukernel__sse_x${BATCH_TILE}( 18 size_t n, 19 const float* x, 20 float* y, 21 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN 22{ 23 assert(n != 0); 24 assert(n % sizeof(float) == 0); 25 assert(x != NULL); 26 assert(y != NULL); 27 28 const __m128 vy_min = _mm_load_ps(params->sse.min); 29 const __m128 vy_max = _mm_load_ps(params->sse.max); 30 31 for (; n >= ${BATCH_TILE} * sizeof(float); n -= ${BATCH_TILE} * sizeof(float)) { 32 __m128 vacc${ABC[0:4]} = _mm_loadu_ps(x); 33 $for N in range(4, BATCH_TILE, 4): 34 __m128 vacc${ABC[N:N+4]} = _mm_loadu_ps(x + ${N}); 35 x += ${BATCH_TILE}; 36 37 $for N in range(0, BATCH_TILE, 4): 38 vacc${ABC[N:N+4]} = _mm_max_ps(vacc${ABC[N:N+4]}, vy_min); 39 40 $for N in range(0, BATCH_TILE, 4): 41 vacc${ABC[N:N+4]} = _mm_min_ps(vacc${ABC[N:N+4]}, vy_max); 42 43 _mm_storeu_ps(y, vacc${ABC[0:4]}); 44 $for N in range(4, BATCH_TILE, 4): 45 _mm_storeu_ps(y + ${N}, vacc${ABC[N:N+4]}); 46 y += ${BATCH_TILE}; 47 } 48 $if BATCH_TILE > 4: 49 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { 50 __m128 vacc = _mm_loadu_ps(x); 51 x += 4; 52 53 vacc = _mm_max_ps(vacc, vy_min); 54 vacc = _mm_min_ps(vacc, vy_max); 55 56 _mm_storeu_ps(y, vacc); 57 y += 4; 58 } 59 if XNN_UNLIKELY(n != 0) { 60 __m128 vacc = _mm_loadu_ps(x); 61 vacc = _mm_max_ps(vacc, vy_min); 62 vacc = _mm_min_ps(vacc, vy_max); 63 64 if (n & (2 * sizeof(float))) { 65 _mm_storel_pi((__m64*) y, vacc); 66 vacc = _mm_movehl_ps(vacc, vacc); 67 y += 2; 68 } 69 if (n & (1 * sizeof(float))) { 70 _mm_store_ss(y, vacc); 71 } 72 } 73} 74