/* * Copyright 2013-2020 Software Radio Systems Limited * * This file is part of srsLTE. * * srsLTE is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * srsLTE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * A copy of the GNU Affero General Public License can be found in * the LICENSE file in the top-level directory of this distribution * and at http://www.gnu.org/licenses/. * */ #ifndef SRSLTE_SIMD_H #define SRSLTE_SIMD_H typedef _Complex float cf_t; #ifdef LV_HAVE_SSE /* AVX, AVX2, FMA, AVX512 are in this group */ #ifndef __OPTIMIZE__ #define __OPTIMIZE__ #endif #include #endif /* LV_HAVE_SSE */ #include #ifdef HAVE_NEON #include #endif /* * SSE Macros */ #ifdef LV_HAVE_SSE #define _MM_SWAP(X) ((__m128)_mm_shuffle_ps(X, X, _MM_SHUFFLE(2, 3, 0, 1))) #define _MM_PERM(X) ((__m128)_mm_shuffle_ps(X, X, _MM_SHUFFLE(2, 1, 3, 0))) #define _MM_MULJ_PS(X) _MM_SWAP(_MM_CONJ_PS(X)) #define _MM_CONJ_PS(X) (_mm_xor_ps(X, _mm_set_ps(-0.0f, 0.0f, -0.0f, 0.0f))) #define _MM_SQMOD_PS(X) _MM_PERM(_mm_hadd_ps(_mm_mul_ps(X, X), _mm_set_ps(0.0f, 0.0f, 0.0f, 0.0f))) #define _MM_PROD_PS(a, b) \ _mm_addsub_ps(_mm_mul_ps(a, _mm_moveldup_ps(b)), _mm_mul_ps(_mm_shuffle_ps(a, a, 0xB1), _mm_movehdup_ps(b))) #endif /* LV_HAVE_SSE */ /* * AVX Macros */ #ifdef LV_HAVE_AVX #define _MM256_MULJ_PS(X) _mm256_permute_ps(_MM256_CONJ_PS(X), 0b10110001) #define _MM256_CONJ_PS(X) (_mm256_xor_ps(X, _mm256_set_ps(-0.0f, 0.0f, -0.0f, 0.0f, -0.0f, 0.0f, -0.0f, 0.0f))) #ifdef LV_HAVE_FMA #define _MM256_SQMOD_PS(A, B) \ _mm256_permute_ps(_mm256_hadd_ps(_mm256_fmadd_ps(A, A, _mm256_mul_ps(B, B)), \ _mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), \ 0b11011100) #define _MM256_PROD_PS(a, b) \ _mm256_fmaddsub_ps(a, _mm256_moveldup_ps(b), _mm256_mul_ps(_mm256_shuffle_ps(a, a, 0xB1), _mm256_movehdup_ps(b))) #else #define _MM256_SQMOD_PS(A, B) \ _mm256_permute_ps(_mm256_hadd_ps(_mm256_add_ps(_mm256_mul_ps(A, A), _mm256_mul_ps(B, B)), \ _mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), \ 0b11011100) #define _MM256_PROD_PS(a, b) \ _mm256_addsub_ps(_mm256_mul_ps(a, _mm256_moveldup_ps(b)), \ _mm256_mul_ps(_mm256_shuffle_ps(a, a, 0xB1), _mm256_movehdup_ps(b))) #endif /* LV_HAVE_FMA */ #endif /* LV_HAVE_AVX */ /* * AVX extension with FMA Macros */ #ifdef LV_HAVE_FMA #define _MM256_SQMOD_ADD_PS(A, B, C) \ _mm256_permute_ps(_mm256_hadd_ps(_mm256_fmadd_ps(A, A, _mm256_fmadd_ps(B, B, C)), \ _mm256_set_ps(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f)), \ 0b11011100) #define _MM256_PROD_ADD_PS(A, B, C) \ _mm256_fmaddsub_ps( \ A, _mm256_moveldup_ps(B), _mm256_fmaddsub_ps(_mm256_shuffle_ps(A, A, 0xB1), _mm256_movehdup_ps(B), C)) #define _MM256_PROD_SUB_PS(A, B, C) \ _mm256_fmaddsub_ps( \ A, _mm256_moveldup_ps(B), _mm256_fmsubadd_ps(_mm256_shuffle_ps(A, A, 0xB1), _mm256_movehdup_ps(B), C)) #endif /* LV_HAVE_FMA */ /* * SIMD Vector bit alignment */ #ifdef LV_HAVE_AVX512 #define SRSLTE_SIMD_BIT_ALIGN 512 #define SRSLTE_IS_ALIGNED(PTR) (((size_t)(PTR)&0x3F) == 0) #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX #define SRSLTE_SIMD_BIT_ALIGN 256 #define SRSLTE_IS_ALIGNED(PTR) (((size_t)(PTR)&0x1F) == 0) #else /* LV_HAVE_AVX */ #ifdef LV_HAVE_SSE #define SRSLTE_SIMD_BIT_ALIGN 128 #define SRSLTE_IS_ALIGNED(PTR) (((size_t)(PTR)&0x0F) == 0) #else /* LV_HAVE_SSE */ #define SRSLTE_SIMD_BIT_ALIGN 64 #define SRSLTE_IS_ALIGNED(PTR) (1) #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX */ #endif /* LV_HAVE_AVX512 */ /* Memory Sizes for Single Floating Point and fixed point */ #ifdef LV_HAVE_AVX512 #define SRSLTE_SIMD_F_SIZE 16 #define SRSLTE_SIMD_CF_SIZE 16 #define SRSLTE_SIMD_I_SIZE 16 #define SRSLTE_SIMD_B_SIZE 64 #define SRSLTE_SIMD_S_SIZE 32 #define SRSLTE_SIMD_C16_SIZE 0 #else #ifdef LV_HAVE_AVX2 #define SRSLTE_SIMD_F_SIZE 8 #define SRSLTE_SIMD_CF_SIZE 8 #define SRSLTE_SIMD_I_SIZE 8 #define SRSLTE_SIMD_B_SIZE 32 #define SRSLTE_SIMD_S_SIZE 16 #define SRSLTE_SIMD_C16_SIZE 16 #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE #define SRSLTE_SIMD_F_SIZE 4 #define SRSLTE_SIMD_CF_SIZE 4 #define SRSLTE_SIMD_I_SIZE 4 #define SRSLTE_SIMD_B_SIZE 16 #define SRSLTE_SIMD_S_SIZE 8 #define SRSLTE_SIMD_C16_SIZE 8 #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON #define SRSLTE_SIMD_F_SIZE 4 #define SRSLTE_SIMD_CF_SIZE 4 #define SRSLTE_SIMD_I_SIZE 4 #define SRSLTE_SIMD_B_SIZE 16 #define SRSLTE_SIMD_S_SIZE 8 #define SRSLTE_SIMD_C16_SIZE 8 #else /* HAVE_NEON */ #define SRSLTE_SIMD_F_SIZE 0 #define SRSLTE_SIMD_CF_SIZE 0 #define SRSLTE_SIMD_I_SIZE 0 #define SRSLTE_SIMD_B_SIZE 0 #define SRSLTE_SIMD_S_SIZE 0 #define SRSLTE_SIMD_C16_SIZE 0 #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ #ifndef ENABLE_C16 #undef SRSLTE_SIMD_C16_SIZE #define SRSLTE_SIMD_C16_SIZE 0 #endif /* ENABLE_C16 */ #if SRSLTE_SIMD_F_SIZE /* Data types */ #ifdef LV_HAVE_AVX512 typedef __m512 simd_f_t; #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 typedef __m256 simd_f_t; #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE typedef __m128 simd_f_t; #else /* HAVE_NEON */ #ifdef HAVE_NEON typedef float32x4_t simd_f_t; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ /* Single precision Floating point functions */ static inline simd_f_t srslte_simd_f_load(const float* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_load_ps(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_load_ps(ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_load_ps(ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_f32(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_loadu(const float* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_loadu_ps(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_loadu_ps(ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_loadu_ps(ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_f32(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_f_store(float* ptr, simd_f_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_store_ps(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_store_ps(ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_store_ps(ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_f32(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_f_storeu(float* ptr, simd_f_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_storeu_ps(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_storeu_ps(ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_storeu_ps(ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_f32(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_set1(float x) { #ifdef LV_HAVE_AVX512 return _mm512_set1_ps(x); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_set1_ps(x); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_set1_ps(x); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vdupq_n_f32(x); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_mul(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 return _mm512_mul_ps(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_mul_ps(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_mul_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vmulq_f32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_rcp(simd_f_t a) { #ifdef LV_HAVE_AVX512 return _mm512_rcp14_ps(a); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_rcp_ps(a); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_rcp_ps(a); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vmulq_f32(vrecpeq_f32(a), vrecpsq_f32(vrecpeq_f32(a), a)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_addsub(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 __m512 r = _mm512_add_ps(a, b); return _mm512_mask_sub_ps(r, 0b0101010101010101, a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_addsub_ps(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_addsub_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON // CURRENTLY USES GENERIC IMPLEMENTATION FOR NEON float* a_ptr = (float*)&a; float* b_ptr = (float*)&b; simd_f_t ret; float* c_ptr = (float*)&ret; for (int i = 0; i < 4; i++) { if (i % 2 == 0) { c_ptr[i] = a_ptr[i] - b_ptr[i]; } else { c_ptr[i] = a_ptr[i] + b_ptr[i]; } } return ret; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_sub(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 return _mm512_sub_ps(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_sub_ps(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_sub_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vsubq_f32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_add(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 return _mm512_add_ps(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_add_ps(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_add_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vaddq_f32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_zero(void) { #ifdef LV_HAVE_AVX512 return _mm512_setzero_ps(); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_setzero_ps(); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_setzero_ps(); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vdupq_n_f32(0); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_swap(simd_f_t a) { #ifdef LV_HAVE_AVX512 return _mm512_permute_ps(a, 0b10110001); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_permute_ps(a, 0b10110001); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_shuffle_ps(a, a, 0b10110001); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vcombine_f32(vrev64_f32(vget_low_f32(a)), vrev64_f32(vget_high_f32(a))); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_hadd(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 const __m512i idx1 = _mm512_setr_epi32((0b00000), (0b00010), (0b00100), (0b00110), (0b01000), (0b01010), (0b01100), (0b01110), (0b10000), (0b10010), (0b10100), (0b10110), (0b11000), (0b11010), (0b11100), (0b11110)); const __m512i idx2 = _mm512_or_epi32(idx1, _mm512_set1_epi32(1)); simd_f_t a1 = _mm512_permutex2var_ps(a, idx1, b); simd_f_t b1 = _mm512_permutex2var_ps(a, idx2, b); return _mm512_add_ps(a1, b1); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 simd_f_t a1 = _mm256_permute2f128_ps(a, b, 0b00100000); simd_f_t b1 = _mm256_permute2f128_ps(a, b, 0b00110001); return _mm256_hadd_ps(a1, b1); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_hadd_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vcombine_f32(vpadd_f32(vget_low_f32(a), vget_high_f32(a)), vpadd_f32(vget_low_f32(b), vget_high_f32(b))); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_sqrt(simd_f_t a) { #ifdef LV_HAVE_AVX512 return _mm512_sqrt_ps(a); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_sqrt_ps(a); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_sqrt_ps(a); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON float32x4_t sqrt_reciprocal = vrsqrteq_f32(a); sqrt_reciprocal = vmulq_f32(vrsqrtsq_f32(vmulq_f32(a, sqrt_reciprocal), sqrt_reciprocal), sqrt_reciprocal); float32x4_t result = vmulq_f32(a, sqrt_reciprocal); /* Detect zeros in NEON 1/sqrtf for preventing NaN */ float32x4_t zeros = vmovq_n_f32(0); /* Zero vector */ uint32x4_t mask = vceqq_f32(a, zeros); /* Zero vector mask */ return vbslq_f32(mask, zeros, result); /* Force zero results and return */ #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_neg(simd_f_t a) { #ifdef LV_HAVE_AVX512 return _mm512_xor_ps(_mm512_set1_ps(-0.0f), a); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_xor_ps(_mm256_set1_ps(-0.0f), a); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_xor_ps(_mm_set1_ps(-0.0f), a); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vnegq_f32(a); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_neg_mask(simd_f_t a, simd_f_t mask) { #ifdef LV_HAVE_AVX512 return _mm512_xor_ps(mask, a); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_xor_ps(mask, a); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_xor_ps(mask, a); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return (float32x4_t)veorq_s32((int32x4_t)a, (int32x4_t)mask); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_abs(simd_f_t a) { #ifdef LV_HAVE_AVX512 return _mm512_andnot_ps(_mm512_set1_ps(-0.0f), a); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_andnot_ps(_mm256_set1_ps(-0.0f), a); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_andnot_ps(_mm_set1_ps(-0.0f), a); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vabsq_f32(a); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_f_fprintf(FILE* stream, simd_f_t a) { float x[SRSLTE_SIMD_F_SIZE]; srslte_simd_f_storeu(x, a); fprintf(stream, "["); for (int i = 0; i < SRSLTE_SIMD_F_SIZE; i++) { fprintf(stream, "%+2.5f, ", x[i]); } fprintf(stream, "];\n"); } #endif /* SRSLTE_SIMD_F_SIZE */ #if SRSLTE_SIMD_CF_SIZE #ifdef HAVE_NEON typedef float32x4x2_t simd_cf_t; #else typedef struct { simd_f_t re; simd_f_t im; } simd_cf_t; #endif /* Complex Single precission Floating point functions */ static inline simd_cf_t srslte_simd_cfi_load(const cf_t* ptr) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 __m512 in1 = _mm512_load_ps((float*)(ptr)); __m512 in2 = _mm512_load_ps((float*)(ptr + SRSLTE_SIMD_CF_SIZE / 2)); ret.re = _mm512_permutex2var_ps( in1, _mm512_setr_epi32(0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x1E), in2); ret.im = _mm512_permutex2var_ps( in1, _mm512_setr_epi32(0x01, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0F, 0x11, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F), in2); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 __m256 in1 = _mm256_permute_ps(_mm256_load_ps((float*)(ptr)), 0b11011000); __m256 in2 = _mm256_permute_ps(_mm256_load_ps((float*)(ptr + 4)), 0b11011000); ret.re = _mm256_unpacklo_ps(in1, in2); ret.im = _mm256_unpackhi_ps(in1, in2); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE __m128 i1 = _mm_load_ps((float*)(ptr)); __m128 i2 = _mm_load_ps((float*)(ptr + 2)); ret.re = _mm_shuffle_ps(i1, i2, _MM_SHUFFLE(2, 0, 2, 0)); ret.im = _mm_shuffle_ps(i1, i2, _MM_SHUFFLE(3, 1, 3, 1)); #else #ifdef HAVE_NEON ret = vld2q_f32((float*)(ptr)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } /* Complex Single precission Floating point functions */ static inline simd_cf_t srslte_simd_cfi_loadu(const cf_t* ptr) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 __m512 in1 = _mm512_loadu_ps((float*)(ptr)); __m512 in2 = _mm512_loadu_ps((float*)(ptr + SRSLTE_SIMD_CF_SIZE / 2)); ret.re = _mm512_permutex2var_ps( in1, _mm512_setr_epi32(0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1A, 0x1C, 0x1E), in2); ret.im = _mm512_permutex2var_ps( in1, _mm512_setr_epi32(0x01, 0x03, 0x05, 0x07, 0x09, 0x0B, 0x0D, 0x0F, 0x11, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1D, 0x1F), in2); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 __m256 in1 = _mm256_permute_ps(_mm256_loadu_ps((float*)(ptr)), 0b11011000); __m256 in2 = _mm256_permute_ps(_mm256_loadu_ps((float*)(ptr + 4)), 0b11011000); ret.re = _mm256_unpacklo_ps(in1, in2); ret.im = _mm256_unpackhi_ps(in1, in2); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE __m128 i1 = _mm_loadu_ps((float*)(ptr)); __m128 i2 = _mm_loadu_ps((float*)(ptr + 2)); ret.re = _mm_shuffle_ps(i1, i2, _MM_SHUFFLE(2, 0, 2, 0)); ret.im = _mm_shuffle_ps(i1, i2, _MM_SHUFFLE(3, 1, 3, 1)); #else #ifdef HAVE_NEON ret = vld2q_f32((float*)(ptr)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_load(const float* re, const float* im) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_load_ps(re); ret.im = _mm512_load_ps(im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_load_ps(re); ret.im = _mm256_load_ps(im); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_load_ps(re); ret.im = _mm_load_ps(im); #else /*HAVE_NEON*/ #ifdef HAVE_NEON ret.val[0] = vld1q_f32(re); ret.val[1] = vld1q_f32(im); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_loadu(const float* re, const float* im) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_loadu_ps(re); ret.im = _mm512_loadu_ps(im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_loadu_ps(re); ret.im = _mm256_loadu_ps(im); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_loadu_ps(re); ret.im = _mm_loadu_ps(im); #else /*HAVE_NEON*/ #ifdef HAVE_NEON ret.val[0] = vld1q_f32(re); ret.val[1] = vld1q_f32(im); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline void srslte_simd_cfi_store(cf_t* ptr, simd_cf_t simdreg) { #ifdef LV_HAVE_AVX512 __m512 s1 = _mm512_permutex2var_ps( simdreg.re, _mm512_setr_epi32(0x00, 0x10, 0x01, 0x11, 0x02, 0x12, 0x03, 0x13, 0x04, 0x14, 0x05, 0x15, 0x06, 0x16, 0x07, 0x17), simdreg.im); __m512 s2 = _mm512_permutex2var_ps( simdreg.re, _mm512_setr_epi32(0x08, 0x18, 0x09, 0x19, 0x0A, 0x1A, 0x0B, 0x1B, 0x0C, 0x1C, 0x0D, 0x1D, 0x0E, 0x1E, 0x0F, 0x1F), simdreg.im); _mm512_store_ps((float*)(ptr), s1); _mm512_store_ps((float*)(ptr + 8), s2); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 __m256 out1 = _mm256_permute_ps(simdreg.re, 0b11011000); __m256 out2 = _mm256_permute_ps(simdreg.im, 0b11011000); _mm256_store_ps((float*)(ptr), _mm256_unpacklo_ps(out1, out2)); _mm256_store_ps((float*)(ptr + 4), _mm256_unpackhi_ps(out1, out2)); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_store_ps((float*)(ptr), _mm_unpacklo_ps(simdreg.re, simdreg.im)); _mm_store_ps((float*)(ptr + 2), _mm_unpackhi_ps(simdreg.re, simdreg.im)); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst2q_f32((float*)(ptr), simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_cfi_storeu(cf_t* ptr, simd_cf_t simdreg) { #ifdef LV_HAVE_AVX512 __m512 s1 = _mm512_permutex2var_ps( simdreg.re, _mm512_setr_epi32(0x00, 0x10, 0x01, 0x11, 0x02, 0x12, 0x03, 0x13, 0x04, 0x14, 0x05, 0x15, 0x06, 0x16, 0x07, 0x17), simdreg.im); __m512 s2 = _mm512_permutex2var_ps( simdreg.re, _mm512_setr_epi32(0x08, 0x18, 0x09, 0x19, 0x0A, 0x1A, 0x0B, 0x1B, 0x0C, 0x1C, 0x0D, 0x1D, 0x0E, 0x1E, 0x0F, 0x1F), simdreg.im); _mm512_storeu_ps((float*)(ptr), s1); _mm512_storeu_ps((float*)(ptr + 8), s2); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 __m256 out1 = _mm256_permute_ps(simdreg.re, 0b11011000); __m256 out2 = _mm256_permute_ps(simdreg.im, 0b11011000); _mm256_storeu_ps((float*)(ptr), _mm256_unpacklo_ps(out1, out2)); _mm256_storeu_ps((float*)(ptr + 4), _mm256_unpackhi_ps(out1, out2)); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_storeu_ps((float*)(ptr), _mm_unpacklo_ps(simdreg.re, simdreg.im)); _mm_storeu_ps((float*)(ptr + 2), _mm_unpackhi_ps(simdreg.re, simdreg.im)); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst2q_f32((float*)(ptr), simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_cf_store(float* re, float* im, simd_cf_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_store_ps(re, simdreg.re); _mm512_store_ps(im, simdreg.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_store_ps(re, simdreg.re); _mm256_store_ps(im, simdreg.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_SSE _mm_store_ps((float*)re, simdreg.re); _mm_store_ps((float*)im, simdreg.im); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst1q_f32((float*)re, simdreg.val[0]); vst1q_f32((float*)im, simdreg.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_cf_storeu(float* re, float* im, simd_cf_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_storeu_ps(re, simdreg.re); _mm512_storeu_ps(im, simdreg.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_storeu_ps(re, simdreg.re); _mm256_storeu_ps(im, simdreg.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_SSE _mm_storeu_ps((float*)re, simdreg.re); _mm_storeu_ps((float*)im, simdreg.im); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst1q_f32((float*)re, simdreg.val[0]); vst1q_f32((float*)im, simdreg.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_cf_re(simd_cf_t in) { #ifdef HAVE_NEON simd_f_t out = in.val[0]; #else simd_f_t out = in.re; #endif /*HAVE_NEON*/ #ifndef LV_HAVE_AVX512 #ifdef LV_HAVE_AVX2 /* Permute for AVX registers (mis SSE registers) */ const __m256i idx = _mm256_setr_epi32(0, 2, 4, 6, 1, 3, 5, 7); out = _mm256_permutevar8x32_ps(out, idx); #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return out; } static inline simd_f_t srslte_simd_cf_im(simd_cf_t in) { #ifdef HAVE_NEON simd_f_t out = in.val[1]; #else simd_f_t out = in.im; #endif /*HAVE_NEON*/ #ifndef LV_HAVE_AVX512 #ifdef LV_HAVE_AVX2 /* Permute for AVX registers (mis SSE registers) */ const __m256i idx = _mm256_setr_epi32(0, 2, 4, 6, 1, 3, 5, 7); out = _mm256_permutevar8x32_ps(out, idx); #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return out; } static inline simd_cf_t srslte_simd_cf_set1(cf_t x) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_set1_ps(__real__ x); ret.im = _mm512_set1_ps(__imag__ x); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_set1_ps(__real__ x); ret.im = _mm256_set1_ps(__imag__ x); #else #ifdef LV_HAVE_SSE ret.re = _mm_set1_ps(__real__ x); ret.im = _mm_set1_ps(__imag__ x); #else /*HAVE_NEON*/ #ifdef HAVE_NEON ret.val[0] = vdupq_n_f32(__real__ x); ret.val[1] = vdupq_n_f32(__imag__ x); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_prod(simd_cf_t a, simd_cf_t b) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_sub_ps(_mm512_mul_ps(a.re, b.re), _mm512_mul_ps(a.im, b.im)); ret.im = _mm512_add_ps(_mm512_mul_ps(a.re, b.im), _mm512_mul_ps(a.im, b.re)); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 #ifdef LV_HAVE_FMA ret.re = _mm256_fmsub_ps(a.re, b.re, _mm256_mul_ps(a.im, b.im)); ret.im = _mm256_fmadd_ps(a.re, b.im, _mm256_mul_ps(a.im, b.re)); #else /* LV_HAVE_FMA */ ret.re = _mm256_sub_ps(_mm256_mul_ps(a.re, b.re), _mm256_mul_ps(a.im, b.im)); ret.im = _mm256_add_ps(_mm256_mul_ps(a.re, b.im), _mm256_mul_ps(a.im, b.re)); #endif /* LV_HAVE_FMA */ #else #ifdef LV_HAVE_SSE ret.re = _mm_sub_ps(_mm_mul_ps(a.re, b.re), _mm_mul_ps(a.im, b.im)); ret.im = _mm_add_ps(_mm_mul_ps(a.re, b.im), _mm_mul_ps(a.im, b.re)); #else #ifdef HAVE_NEON ret.val[0] = vsubq_f32(vmulq_f32(a.val[0], b.val[0]), vmulq_f32(a.val[1], b.val[1])); ret.val[1] = vaddq_f32(vmulq_f32(a.val[0], b.val[1]), vmulq_f32(a.val[1], b.val[0])); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_conjprod(simd_cf_t a, simd_cf_t b) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_add_ps(_mm512_mul_ps(a.re, b.re), _mm512_mul_ps(a.im, b.im)); ret.im = _mm512_sub_ps(_mm512_mul_ps(a.im, b.re), _mm512_mul_ps(a.re, b.im)); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_add_ps(_mm256_mul_ps(a.re, b.re), _mm256_mul_ps(a.im, b.im)); ret.im = _mm256_sub_ps(_mm256_mul_ps(a.im, b.re), _mm256_mul_ps(a.re, b.im)); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_add_ps(_mm_mul_ps(a.re, b.re), _mm_mul_ps(a.im, b.im)); ret.im = _mm_sub_ps(_mm_mul_ps(a.im, b.re), _mm_mul_ps(a.re, b.im)); #else #ifdef HAVE_NEON ret.val[0] = vaddq_f32(vmulq_f32(a.val[0], b.val[0]), vmulq_f32(a.val[1], b.val[1])); ret.val[1] = vsubq_f32(vmulq_f32(a.val[1], b.val[0]), vmulq_f32(a.val[0], b.val[1])); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_add(simd_cf_t a, simd_cf_t b) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_add_ps(a.re, b.re); ret.im = _mm512_add_ps(a.im, b.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_add_ps(a.re, b.re); ret.im = _mm256_add_ps(a.im, b.im); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_add_ps(a.re, b.re); ret.im = _mm_add_ps(a.im, b.im); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON ret.val[0] = vaddq_f32(a.val[0], b.val[0]); ret.val[1] = vaddq_f32(a.val[1], b.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_sub(simd_cf_t a, simd_cf_t b) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_sub_ps(a.re, b.re); ret.im = _mm512_sub_ps(a.im, b.im); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_sub_ps(a.re, b.re); ret.im = _mm256_sub_ps(a.im, b.im); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_sub_ps(a.re, b.re); ret.im = _mm_sub_ps(a.im, b.im); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON ret.val[0] = vsubq_f32(a.val[0], b.val[0]); ret.val[1] = vsubq_f32(a.val[1], b.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_mul(simd_cf_t a, simd_f_t b) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_mul_ps(a.re, b); ret.im = _mm512_mul_ps(a.im, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 b = _mm256_permutevar8x32_ps(b, _mm256_setr_epi32(0, 4, 1, 5, 2, 6, 3, 7)); ret.re = _mm256_mul_ps(a.re, b); ret.im = _mm256_mul_ps(a.im, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_mul_ps(a.re, b); ret.im = _mm_mul_ps(a.im, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON ret.val[0] = vmulq_f32(a.val[0], b); ret.val[1] = vmulq_f32(a.val[1], b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_rcp(simd_cf_t a) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 simd_f_t a2re = _mm512_mul_ps(a.re, a.re); simd_f_t a2im = _mm512_mul_ps(a.im, a.im); simd_f_t mod2 = _mm512_add_ps(a2re, a2im); simd_f_t rcp = _mm512_rcp14_ps(mod2); simd_f_t neg_a_im = _mm512_xor_ps(_mm512_set1_ps(-0.0f), a.im); ret.re = _mm512_mul_ps(a.re, rcp); ret.im = _mm512_mul_ps(neg_a_im, rcp); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 simd_f_t a2re = _mm256_mul_ps(a.re, a.re); simd_f_t a2im = _mm256_mul_ps(a.im, a.im); simd_f_t mod2 = _mm256_add_ps(a2re, a2im); simd_f_t rcp = _mm256_rcp_ps(mod2); simd_f_t neg_a_im = _mm256_xor_ps(_mm256_set1_ps(-0.0f), a.im); ret.re = _mm256_mul_ps(a.re, rcp); ret.im = _mm256_mul_ps(neg_a_im, rcp); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE simd_f_t a2re = _mm_mul_ps(a.re, a.re); simd_f_t a2im = _mm_mul_ps(a.im, a.im); simd_f_t mod2 = _mm_add_ps(a2re, a2im); simd_f_t rcp = _mm_rcp_ps(mod2); simd_f_t neg_a_im = _mm_xor_ps(_mm_set1_ps(-0.0f), a.im); ret.re = _mm_mul_ps(a.re, rcp); ret.im = _mm_mul_ps(neg_a_im, rcp); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON simd_f_t a2re = vmulq_f32(a.val[0], a.val[0]); simd_f_t a2im = vmulq_f32(a.val[1], a.val[1]); simd_f_t mod2 = vaddq_f32(a2re, a2im); simd_f_t rcp = vmulq_f32(vrecpeq_f32(mod2), vrecpsq_f32(vrecpeq_f32(mod2), mod2)); simd_f_t neg_a_im = vnegq_f32(a.val[1]); ret.val[0] = vmulq_f32(a.val[0], rcp); ret.val[1] = vmulq_f32(neg_a_im, rcp); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_cf_t srslte_simd_cf_neg(simd_cf_t a) { simd_cf_t ret; #if HAVE_NEON ret.val[0] = srslte_simd_f_neg(a.val[0]); ret.val[1] = srslte_simd_f_neg(a.val[1]); #else /* HAVE_NEON */ ret.re = srslte_simd_f_neg(a.re); ret.im = srslte_simd_f_neg(a.im); #endif /* HAVE_NEON */ return ret; } static inline simd_cf_t srslte_simd_cf_neg_mask(simd_cf_t a, simd_f_t mask) { simd_cf_t ret; #ifndef LV_HAVE_AVX512 #ifdef LV_HAVE_AVX2 mask = _mm256_permutevar8x32_ps(mask, _mm256_setr_epi32(0, 4, 1, 5, 2, 6, 3, 7)); #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ #if HAVE_NEON ret.val[0] = srslte_simd_f_neg_mask(a.val[0], mask); ret.val[1] = srslte_simd_f_neg_mask(a.val[1], mask); #else /* HAVE_NEON */ ret.re = srslte_simd_f_neg_mask(a.re, mask); ret.im = srslte_simd_f_neg_mask(a.im, mask); #endif /* HAVE_NEON */ return ret; } static inline simd_cf_t srslte_simd_cf_conj(simd_cf_t a) { simd_cf_t ret; #if HAVE_NEON ret.val[0] = a.val[0]; ret.val[1] = srslte_simd_f_neg(a.val[1]); #else /* HAVE_NEON */ ret.re = a.re; ret.im = srslte_simd_f_neg(a.im); #endif /* HAVE_NEON */ return ret; } static inline simd_cf_t srslte_simd_cf_mulj(simd_cf_t a) { simd_cf_t ret; #if HAVE_NEON ret.val[0] = srslte_simd_f_neg(a.val[1]); ret.val[1] = a.val[0]; #else /* HAVE_NEON */ ret.re = srslte_simd_f_neg(a.im); ret.im = a.re; #endif /* HAVE_NEON */ return ret; } static inline simd_cf_t srslte_simd_cf_zero(void) { simd_cf_t ret; #ifdef LV_HAVE_AVX512 ret.re = _mm512_setzero_ps(); ret.im = _mm512_setzero_ps(); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 ret.re = _mm256_setzero_ps(); ret.im = _mm256_setzero_ps(); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE ret.re = _mm_setzero_ps(); ret.im = _mm_setzero_ps(); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON ret.val[0] = vdupq_n_f32(0); ret.val[1] = vdupq_n_f32(0); #endif /* HAVE_NEON */ #endif /* HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline void srslte_simd_cf_fprintf(FILE* stream, simd_cf_t a) { cf_t x[SRSLTE_SIMD_CF_SIZE]; srslte_simd_cfi_storeu(x, a); fprintf(stream, "["); for (int i = 0; i < SRSLTE_SIMD_CF_SIZE; i++) { fprintf(stream, "%+2.5f%+2.5fi, ", __real__ x[i], __imag__ x[i]); } fprintf(stream, "];\n"); } #endif /* SRSLTE_SIMD_CF_SIZE */ #if SRSLTE_SIMD_I_SIZE #ifdef LV_HAVE_AVX512 typedef __m512i simd_i_t; typedef __mmask16 simd_sel_t; #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 typedef __m256i simd_i_t; typedef __m256 simd_sel_t; #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE typedef __m128i simd_i_t; typedef __m128 simd_sel_t; #else /* LV_HAVE_AVX2 */ #ifdef HAVE_NEON typedef int32x4_t simd_i_t; typedef int32x4_t simd_sel_t; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ static inline simd_i_t srslte_simd_i_load(int* x) { #ifdef LV_HAVE_AVX512 return _mm512_load_epi32((__m512i*)x); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_load_si256((__m256i*)x); #else #ifdef LV_HAVE_SSE return _mm_load_si128((__m128i*)x); #else #ifdef HAVE_NEON return vld1q_s32((int*)x); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_i_store(int* x, simd_i_t reg) { #ifdef LV_HAVE_AVX512 _mm512_store_epi32((__m512i*)x, reg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_store_si256((__m256i*)x, reg); #else #ifdef LV_HAVE_SSE _mm_store_si128((__m128i*)x, reg); #else #ifdef HAVE_NEON vst1q_s32((int*)x, reg); #endif /*HAVE_NEON*/ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_i_t srslte_simd_i_set1(int x) { #ifdef LV_HAVE_AVX512 return _mm512_set1_epi32(x); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_set1_epi32(x); #else #ifdef LV_HAVE_SSE return _mm_set1_epi32(x); #else #ifdef HAVE_NEON return vdupq_n_s32(x); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_i_t srslte_simd_i_add(simd_i_t a, simd_i_t b) { #ifdef LV_HAVE_AVX512 return _mm512_add_epi32(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_add_epi32(a, b); #else #ifdef LV_HAVE_SSE return _mm_add_epi32(a, b); #else #ifdef HAVE_NEON return vaddq_s32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_i_t srslte_simd_i_mul(simd_i_t a, simd_i_t b) { #ifdef LV_HAVE_AVX512 return _mm512_mullo_epi32(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_mullo_epi32(a, b); #else #ifdef LV_HAVE_SSE return _mm_mul_epi32(a, b); #else #ifdef HAVE_NEON return vmulq_s32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_i_t srslte_simd_i_and(simd_i_t a, simd_i_t b) { #ifdef LV_HAVE_AVX512 return _mm512_and_si512(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_and_si256(a, b); #else #ifdef LV_HAVE_SSE return _mm_and_si128(a, b); #else #ifdef HAVE_NEON return vandq_s32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_sel_t srslte_simd_f_max(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 return _mm512_cmp_ps_mask(a, b, _CMP_GT_OS); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_cmp_ps(a, b, _CMP_GT_OS); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return (simd_sel_t)_mm_cmpgt_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return (simd_sel_t)vcgtq_f32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_sel_t srslte_simd_f_min(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 return _mm512_cmp_ps_mask(a, b, _CMP_LT_OS); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_cmp_ps(a, b, _CMP_LT_OS); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return (simd_sel_t)_mm_cmplt_ps(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return (simd_sel_t)vcltq_f32(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_f_t srslte_simd_f_select(simd_f_t a, simd_f_t b, simd_sel_t selector) { #ifdef LV_HAVE_AVX512 return _mm512_mask_blend_ps(selector, (__m512)a, (__m512)b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_blendv_ps(a, b, selector); #else #ifdef LV_HAVE_SSE return _mm_blendv_ps(a, b, selector); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON // CURRENTLY USES GENERIC IMPLEMENTATION FOR NEON float* a_ptr = (float*)&a; float* b_ptr = (float*)&b; simd_f_t ret; int* sel = (int*)&selector; float* c_ptr = (float*)&ret; for (int i = 0; i < 4; i++) { if (sel[i] == -1) { c_ptr[i] = b_ptr[i]; } else { c_ptr[i] = a_ptr[i]; } } return ret; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_i_t srslte_simd_i_select(simd_i_t a, simd_i_t b, simd_sel_t selector) { #ifdef LV_HAVE_AVX512 return (__m512i)_mm512_mask_blend_ps(selector, (__m512)a, (__m512)b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return (__m256i)_mm256_blendv_ps((__m256)a, (__m256)b, selector); #else #ifdef LV_HAVE_SSE return (__m128i)_mm_blendv_ps((__m128)a, (__m128)b, selector); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON // CURRENTLY USES GENERIC IMPLEMENTATION FOR NEON int* a_ptr = (int*)&a; int* b_ptr = (int*)&b; simd_i_t ret; int* sel = (int*)&selector; int* c_ptr = (int*)&ret; for (int i = 0; i < 4; i++) { if (sel[i] == -1) { c_ptr[i] = b_ptr[i]; } else { c_ptr[i] = a_ptr[i]; } } return ret; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } #endif /* SRSLTE_SIMD_I_SIZE*/ #if SRSLTE_SIMD_S_SIZE #ifdef LV_HAVE_AVX512 typedef __m512i simd_s_t; #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 typedef __m256i simd_s_t; #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE typedef __m128i simd_s_t; #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON typedef int16x8_t simd_s_t; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ static inline simd_s_t srslte_simd_s_load(const int16_t* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_load_si512(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_load_si256((__m256i*)ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_load_si128((__m128i*)ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_s16(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_loadu(const int16_t* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_loadu_si512(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_loadu_si256((__m256i*)ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_loadu_si128((__m128i*)ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_s16(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_s_store(int16_t* ptr, simd_s_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_store_si512(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_store_si256((__m256i*)ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_store_si128((__m128i*)ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_s16(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_s_storeu(int16_t* ptr, simd_s_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_storeu_si512(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_storeu_si256((__m256i*)ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_storeu_si128((__m128i*)ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_s16(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_zero(void) { #ifdef LV_HAVE_AVX512 return _mm512_setzero_si512(); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_setzero_si256(); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_setzero_si128(); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vdupq_n_s16(0); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_mul(simd_s_t a, simd_s_t b) { #ifdef LV_HAVE_AVX512 return _mm512_mullo_epi16(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_mullo_epi16(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_mullo_epi16(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vmulq_s16(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_neg(simd_s_t a, simd_s_t b) { #ifdef LV_HAVE_AVX512 __m256i a0 = _mm512_extracti64x4_epi64(a, 0); __m256i a1 = _mm512_extracti64x4_epi64(a, 1); __m256i b0 = _mm512_extracti64x4_epi64(b, 0); __m256i b1 = _mm512_extracti64x4_epi64(b, 1); __m256i r0 = _mm256_sign_epi16(a0, b0); __m256i r1 = _mm256_sign_epi16(a1, b1); return _mm512_inserti64x4(_mm512_broadcast_i64x4(r0), r1, 1); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_sign_epi16(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_sign_epi16(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON simd_s_t res; return res; //#error sign instruction not available in Neon #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_add(simd_s_t a, simd_s_t b) { #ifdef LV_HAVE_AVX512 return _mm512_add_epi16(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_add_epi16(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_add_epi16(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vaddq_s16(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_s_sub(simd_s_t a, simd_s_t b) { #ifdef LV_HAVE_AVX512 return _mm512_sub_epi16(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_sub_epi16(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_sub_epi16(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vsubq_s16(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } #endif /* SRSLTE_SIMD_S_SIZE */ #if SRSLTE_SIMD_C16_SIZE typedef #ifdef LV_HAVE_AVX512 struct { union { __m512i m512; int16_t i16[32]; } re; union { __m512i m512; int16_t i16[32]; } im; #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 struct { union { __m256i m256; int16_t i16[16]; } re; union { __m256i m256; int16_t i16[16]; } im; #else #ifdef LV_HAVE_SSE struct { union { __m128i m128; int16_t i16[8]; } re; union { __m128i m128; int16_t i16[8]; } im; #else #ifdef HAVE_NEON union { int16x8x2_t m128; int16_t i16[16]; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } simd_c16_t; /* Fixed point precision (16-bit) functions */ static inline simd_c16_t srslte_simd_c16i_load(const c16_t* ptr) { simd_c16_t ret; #ifdef LV_HAVE_AVX512 __m512i in1 = _mm512_load_si512((__m512i*)(ptr)); __m512i in2 = _mm512_load_si512((__m512i*)(ptr + 8)); ret.re.m512 = _mm512_mask_blend_epi16( 0xAAAAAAAA, in1, _mm512_shufflelo_epi16(_mm512_shufflehi_epi16(in2, 0b10100000), 0b10100000)); ret.im.m512 = _mm512_mask_blend_epi16( 0xAAAAAAAA, _mm512_shufflelo_epi16(_mm512_shufflehi_epi16(in1, 0b11110101), 0b11110101), in2); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_AVX2 __m256i in1 = _mm256_load_si256((__m256i*)(ptr)); __m256i in2 = _mm256_load_si256((__m256i*)(ptr + 8)); ret.re.m256 = _mm256_blend_epi16(in1, _mm256_shufflelo_epi16(_mm256_shufflehi_epi16(in2, 0b10100000), 0b10100000), 0b10101010); ret.im.m256 = _mm256_blend_epi16(_mm256_shufflelo_epi16(_mm256_shufflehi_epi16(in1, 0b11110101), 0b11110101), in2, 0b10101010); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE __m128i in1 = _mm_load_si128((__m128i*)(ptr)); __m128i in2 = _mm_load_si128((__m128i*)(ptr + 8)); ret.re.m128 = _mm_blend_epi16(in1, _mm_shufflelo_epi16(_mm_shufflehi_epi16(in2, 0b10100000), 0b10100000), 0b10101010); ret.im.m128 = _mm_blend_epi16(_mm_shufflelo_epi16(_mm_shufflehi_epi16(in1, 0b11110101), 0b11110101), in2, 0b10101010); #else /* LV_HAVE_SSE*/ #ifdef HAVE_NEON ret.m128 = vld2q_s16((int16_t*)(ptr)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ return ret; } static inline simd_c16_t srslte_simd_c16_load(const int16_t* re, const int16_t* im) { simd_c16_t ret; #ifdef LV_HAVE_AVX2 ret.re.m256 = _mm256_load_si256((__m256i*)(re)); ret.im.m256 = _mm256_load_si256((__m256i*)(im)); #else #ifdef LV_HAVE_SSE ret.re.m128 = _mm_load_si128((__m128i*)(re)); ret.im.m128 = _mm_load_si128((__m128i*)(im)); #else /* LV_HAVE_SSE*/ #ifdef HAVE_NEON ret.m128.val[0] = vld1q_s16((int16_t*)(re)); ret.m128.val[1] = vld1q_s16((int16_t*)(im)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ return ret; } static inline simd_c16_t srslte_simd_c16_loadu(const int16_t* re, const int16_t* im) { simd_c16_t ret; #ifdef LV_HAVE_AVX2 ret.re.m256 = _mm256_loadu_si256((__m256i*)(re)); ret.im.m256 = _mm256_loadu_si256((__m256i*)(im)); #else #ifdef LV_HAVE_SSE ret.re.m128 = _mm_loadu_si128((__m128i*)(re)); ret.im.m128 = _mm_loadu_si128((__m128i*)(im)); #else /* LV_HAVE_SSE*/ #ifdef HAVE_NEON ret.m128.val[0] = vld1q_s16((int16_t*)(re)); ret.m128.val[1] = vld1q_s16((int16_t*)(im)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ return ret; } static inline void srslte_simd_c16i_store(c16_t* ptr, simd_c16_t simdreg) { #ifdef LV_HAVE_AVX2 __m256i re_sw = _mm256_shufflelo_epi16(_mm256_shufflehi_epi16(simdreg.re.m256, 0b10110001), 0b10110001); __m256i im_sw = _mm256_shufflelo_epi16(_mm256_shufflehi_epi16(simdreg.im.m256, 0b10110001), 0b10110001); _mm256_store_si256((__m256i*)(ptr), _mm256_blend_epi16(simdreg.re.m256, im_sw, 0b10101010)); _mm256_store_si256((__m256i*)(ptr + 8), _mm256_blend_epi16(re_sw, simdreg.im.m256, 0b10101010)); #else #ifdef LV_HAVE_SSE __m128i re_sw = _mm_shufflelo_epi16(_mm_shufflehi_epi16(simdreg.re.m128, 0b10110001), 0b10110001); __m128i im_sw = _mm_shufflelo_epi16(_mm_shufflehi_epi16(simdreg.im.m128, 0b10110001), 0b10110001); _mm_store_si128((__m128i*)(ptr), _mm_blend_epi16(simdreg.re.m128, im_sw, 0b10101010)); _mm_store_si128((__m128i*)(ptr + 8), _mm_blend_epi16(re_sw, simdreg.im.m128, 0b10101010)); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst2q_s16((int16_t*)(ptr), simdreg.m128); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ } static inline void srslte_simd_c16i_storeu(c16_t* ptr, simd_c16_t simdreg) { #ifdef LV_HAVE_AVX2 __m256i re_sw = _mm256_shufflelo_epi16(_mm256_shufflehi_epi16(simdreg.re.m256, 0b10110001), 0b10110001); __m256i im_sw = _mm256_shufflelo_epi16(_mm256_shufflehi_epi16(simdreg.im.m256, 0b10110001), 0b10110001); _mm256_storeu_si256((__m256i*)(ptr), _mm256_blend_epi16(simdreg.re.m256, im_sw, 0b10101010)); _mm256_storeu_si256((__m256i*)(ptr + 8), _mm256_blend_epi16(re_sw, simdreg.im.m256, 0b10101010)); #else #ifdef LV_HAVE_SSE __m128i re_sw = _mm_shufflelo_epi16(_mm_shufflehi_epi16(simdreg.re.m128, 0b10110001), 0b10110001); __m128i im_sw = _mm_shufflelo_epi16(_mm_shufflehi_epi16(simdreg.im.m128, 0b10110001), 0b10110001); _mm_storeu_si128((__m128i*)(ptr), _mm_blend_epi16(simdreg.re.m128, im_sw, 0b10101010)); _mm_storeu_si128((__m128i*)(ptr + 8), _mm_blend_epi16(re_sw, simdreg.im.m128, 0b10101010)); #else /*HAVE_NEON*/ #ifdef HAVE_NEON vst2q_s16((int16_t*)(ptr), simdreg.m128); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ } static inline void srslte_simd_c16_store(int16_t* re, int16_t* im, simd_c16_t simdreg) { #ifdef LV_HAVE_AVX2 _mm256_store_si256((__m256i*)re, simdreg.re.m256); _mm256_store_si256((__m256i*)im, simdreg.im.m256); #else #ifdef LV_HAVE_SSE _mm_store_si128((__m128i*)re, simdreg.re.m128); _mm_store_si128((__m128i*)im, simdreg.im.m128); #else #ifdef HAVE_NEON vst1q_s16((int16_t*)re, simdreg.m128.val[0]); vst1q_s16((int16_t*)im, simdreg.m128.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ } static inline void srslte_simd_c16_storeu(int16_t* re, int16_t* im, simd_c16_t simdreg) { #ifdef LV_HAVE_AVX2 _mm256_storeu_si256((__m256i*)re, simdreg.re.m256); _mm256_storeu_si256((__m256i*)im, simdreg.im.m256); #else #ifdef LV_HAVE_SSE _mm_storeu_si128((__m128i*)re, simdreg.re.m128); _mm_storeu_si128((__m128i*)im, simdreg.im.m128); #else #ifdef HAVE_NEON vst1q_s16((int16_t*)re, simdreg.m128.val[0]); vst1q_s16((int16_t*)im, simdreg.m128.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ } static inline simd_c16_t srslte_simd_c16_prod(simd_c16_t a, simd_c16_t b) { simd_c16_t ret; #ifdef LV_HAVE_AVX2 ret.re.m256 = _mm256_sub_epi16(_mm256_mulhrs_epi16(a.re.m256, _mm256_slli_epi16(b.re.m256, 1)), _mm256_mulhrs_epi16(a.im.m256, _mm256_slli_epi16(b.im.m256, 1))); ret.im.m256 = _mm256_add_epi16(_mm256_mulhrs_epi16(a.re.m256, _mm256_slli_epi16(b.im.m256, 1)), _mm256_mulhrs_epi16(a.im.m256, _mm256_slli_epi16(b.re.m256, 1))); #else #ifdef LV_HAVE_SSE ret.re.m128 = _mm_sub_epi16(_mm_mulhrs_epi16(a.re.m128, _mm_slli_epi16(b.re.m128, 1)), _mm_mulhrs_epi16(a.im.m128, _mm_slli_epi16(b.im.m128, 1))); ret.im.m128 = _mm_add_epi16(_mm_mulhrs_epi16(a.re.m128, _mm_slli_epi16(b.im.m128, 1)), _mm_mulhrs_epi16(a.im.m128, _mm_slli_epi16(b.re.m128, 1))); #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ return ret; } static inline simd_c16_t srslte_simd_c16_add(simd_c16_t a, simd_c16_t b) { simd_c16_t ret; #ifdef LV_HAVE_AVX2 ret.re.m256 = _mm256_add_epi16(a.re.m256, b.re.m256); ret.im.m256 = _mm256_add_epi16(a.im.m256, b.im.m256); #else #ifdef LV_HAVE_SSE ret.re.m128 = _mm_add_epi16(a.re.m128, b.re.m128); ret.im.m128 = _mm_add_epi16(a.im.m128, b.im.m128); #else #ifdef HAVE_NEON ret.m128.val[0] = vaddq_s16(a.m128.val[0], a.m128.val[0]); ret.m128.val[1] = vaddq_s16(a.m128.val[1], a.m128.val[1]); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ return ret; } static inline simd_c16_t srslte_simd_c16_zero(void) { simd_c16_t ret; #ifdef LV_HAVE_AVX2 ret.re.m256 = _mm256_setzero_si256(); ret.im.m256 = _mm256_setzero_si256(); #else #ifdef LV_HAVE_SSE ret.re.m128 = _mm_setzero_si128(); ret.im.m128 = _mm_setzero_si128(); #else #ifdef HAVE_NEON ret.m128.val[0] = vdupq_n_s16(0); ret.m128.val[1] = vdupq_n_s16(0); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ return ret; } #endif /* SRSLTE_SIMD_C16_SIZE */ #if SRSLTE_SIMD_F_SIZE && SRSLTE_SIMD_S_SIZE static inline simd_s_t srslte_simd_convert_2f_s(simd_f_t a, simd_f_t b) { #ifdef LV_HAVE_AVX512 __m512 aa = _mm512_permutex2var_ps( a, _mm512_setr_epi32(0x00, 0x01, 0x02, 0x03, 0x08, 0x09, 0x0A, 0x0B, 0x10, 0x11, 0x12, 0x13, 0x18, 0x19, 0x1A, 0x1B), b); __m512 bb = _mm512_permutex2var_ps( a, _mm512_setr_epi32(0x04, 0x05, 0x06, 0x07, 0x0C, 0x0D, 0x0E, 0x0F, 0x14, 0x15, 0x16, 0x17, 0x1C, 0x1D, 0x1E, 0x1F), b); __m512i ai = _mm512_cvttps_epi32(aa); __m512i bi = _mm512_cvttps_epi32(bb); return _mm512_packs_epi32(ai, bi); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 __m256 aa = _mm256_permute2f128_ps(a, b, 0x20); __m256 bb = _mm256_permute2f128_ps(a, b, 0x31); __m256i ai = _mm256_cvttps_epi32(aa); __m256i bi = _mm256_cvttps_epi32(bb); return _mm256_packs_epi32(ai, bi); #else #ifdef LV_HAVE_SSE __m128i ai = _mm_cvttps_epi32(a); __m128i bi = _mm_cvttps_epi32(b); return _mm_packs_epi32(ai, bi); #else #ifdef HAVE_NEON int32x4_t ai = vcvtq_s32_f32(a); int32x4_t bi = vcvtq_s32_f32(b); return (simd_s_t)vcombine_s16(vqmovn_s32(ai), vqmovn_s32(bi)); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } #endif /* SRSLTE_SIMD_F_SIZE && SRSLTE_SIMD_C16_SIZE */ #if SRSLTE_SIMD_B_SIZE /* Data types */ #ifdef LV_HAVE_AVX512 typedef __m512i simd_b_t; #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 typedef __m256i simd_b_t; #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE typedef __m128i simd_b_t; #else /* HAVE_NEON */ #ifdef HAVE_NEON typedef int8x16_t simd_b_t; #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ static inline simd_b_t srslte_simd_b_load(const int8_t* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_load_si512(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_load_si256((__m256i*)ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_load_si128((__m128i*)ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_s8(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_b_t srslte_simd_b_loadu(const int8_t* ptr) { #ifdef LV_HAVE_AVX512 return _mm512_loadu_si512(ptr); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_loadu_si256((__m256i*)ptr); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_loadu_si128((__m128i*)ptr); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vld1q_s8(ptr); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_b_store(int8_t* ptr, simd_b_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_store_si512(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_store_si256((__m256i*)ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_store_si128((__m128i*)ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_s8(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline void srslte_simd_b_storeu(int8_t* ptr, simd_b_t simdreg) { #ifdef LV_HAVE_AVX512 _mm512_storeu_si512(ptr, simdreg); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 _mm256_storeu_si256((__m256i*)ptr, simdreg); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE _mm_storeu_si128((__m128i*)ptr, simdreg); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON vst1q_s8(ptr, simdreg); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_b_t srslte_simd_b_xor(simd_b_t a, simd_b_t b) { #ifdef LV_HAVE_AVX512 return _mm512_xor_epi32(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_xor_si256(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_xor_si128(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return veorq_s8(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_b_t srslte_simd_b_sub(simd_b_t a, simd_b_t b) { #ifdef LV_HAVE_AVX512 return _mm512_subs_epi8(a, b); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_subs_epi8(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_subs_epi8(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON return vqsubq_s8(a, b); #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } static inline simd_s_t srslte_simd_b_neg(simd_b_t a, simd_b_t b) { #ifdef LV_HAVE_AVX512 __m256i a0 = _mm512_extracti64x4_epi64(a, 0); __m256i a1 = _mm512_extracti64x4_epi64(a, 1); __m256i b0 = _mm512_extracti64x4_epi64(b, 0); __m256i b1 = _mm512_extracti64x4_epi64(b, 1); __m256i r0 = _mm256_sign_epi8(a0, b0); __m256i r1 = _mm256_sign_epi8(a1, b1); return _mm512_inserti64x4(_mm512_broadcast_i64x4(r0), r1, 1); #else /* LV_HAVE_AVX512 */ #ifdef LV_HAVE_AVX2 return _mm256_sign_epi8(a, b); #else /* LV_HAVE_AVX2 */ #ifdef LV_HAVE_SSE return _mm_sign_epi8(a, b); #else /* LV_HAVE_SSE */ #ifdef HAVE_NEON simd_s_t res; return res; //#error sign instruction not available in Neon #endif /* HAVE_NEON */ #endif /* LV_HAVE_SSE */ #endif /* LV_HAVE_AVX2 */ #endif /* LV_HAVE_AVX512 */ } #endif /*SRSLTE_SIMD_B_SIZE */ #endif // SRSLTE_SIMD_H