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$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" 9$assert OP in ["RNDNE", "RNDZ", "RNDU", "RNDD"] 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 19$_MM_FROUND_TO_FLAG = { 20$ "RNDNE": "_MM_FROUND_TO_NEAREST_INT", 21$ "RNDZ": "_MM_FROUND_TO_ZERO", 22$ "RNDU": "_MM_FROUND_TO_POS_INF", 23$ "RNDD": "_MM_FROUND_TO_NEG_INF", 24$}[OP] 25void xnn_f32_v${OP.lower()}_ukernel__sse41_x${BATCH_TILE}( 26 size_t n, 27 const float* x, 28 float* y, 29 const union xnn_f32_rnd_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN 30{ 31 assert(n != 0); 32 assert(n % sizeof(float) == 0); 33 34 for (; n >= ${BATCH_TILE} * sizeof(float); n -= ${BATCH_TILE} * sizeof(float)) { 35 const __m128 vx${ABC[0:4]} = _mm_loadu_ps(x); 36 $for N in range(4, BATCH_TILE, 4): 37 const __m128 vx${ABC[N:N+4]} = _mm_loadu_ps(x + ${N}); 38 x += ${BATCH_TILE}; 39 40 $for N in range(0, BATCH_TILE, 4): 41 const __m128 vy${ABC[N:N+4]} = _mm_round_ps(vx${ABC[N:N+4]}, ${_MM_FROUND_TO_FLAG} | _MM_FROUND_NO_EXC); 42 43 _mm_storeu_ps(y, vy${ABC[0:4]}); 44 $for N in range(4, BATCH_TILE, 4): 45 _mm_storeu_ps(y + ${N}, vy${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 const __m128 vx = _mm_loadu_ps(x); 51 x += 4; 52 53 const __m128 vy = _mm_round_ps(vx, ${_MM_FROUND_TO_FLAG} | _MM_FROUND_NO_EXC); 54 55 _mm_storeu_ps(y, vy); 56 y += 4; 57 } 58 if XNN_UNLIKELY(n != 0) { 59 const __m128 vx = _mm_loadu_ps(x); 60 __m128 vy = _mm_round_ps(vx, ${_MM_FROUND_TO_FLAG} | _MM_FROUND_NO_EXC); 61 if (n & (2 * sizeof(float))) { 62 _mm_storel_pi((__m64*) y, vy); 63 vy = _mm_movehl_ps(vy, vy); 64 y += 2; 65 } 66 if (n & (1 * sizeof(float))) { 67 _mm_store_ss(y, vy); 68 } 69 } 70} 71