| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* -*- c++ -*- */ | ||
| 2 | /* | ||
| 3 | * Copyright 2012, 2014 Free Software Foundation, Inc. | ||
| 4 | * | ||
| 5 | * This file is part of VOLK | ||
| 6 | * | ||
| 7 | * SPDX-License-Identifier: LGPL-3.0-or-later | ||
| 8 | */ | ||
| 9 | |||
| 10 | /*! | ||
| 11 | * \page volk_16i_x5_add_quad_16i_x4 | ||
| 12 | * | ||
| 13 | * \b Overview | ||
| 14 | * | ||
| 15 | * <FIXME> | ||
| 16 | * | ||
| 17 | * <b>Dispatcher Prototype</b> | ||
| 18 | * \code | ||
| 19 | * void volk_16i_x5_add_quad_16i_x4(short* target0, short* target1, short* target2, short* | ||
| 20 | * target3, short* src0, short* src1, short* src2, short* src3, short* src4, unsigned int | ||
| 21 | * num_points); \endcode | ||
| 22 | * | ||
| 23 | * \b Inputs | ||
| 24 | * \li src0: The input vector 0. | ||
| 25 | * \li src1: The input vector 1. | ||
| 26 | * \li src2: The input vector 2. | ||
| 27 | * \li src3: The input vector 3. | ||
| 28 | * \li src4: The input vector 4. | ||
| 29 | * \li num_points: The number of data points. | ||
| 30 | * | ||
| 31 | * \b Outputs | ||
| 32 | * \li target0: The output value 0. | ||
| 33 | * \li target1: The output value 1. | ||
| 34 | * \li target2: The output value 2. | ||
| 35 | * \li target3: The output value 3. | ||
| 36 | * | ||
| 37 | * \b Example | ||
| 38 | * \code | ||
| 39 | * int N = 10000; | ||
| 40 | * | ||
| 41 | * volk_16i_x5_add_quad_16i_x4(); | ||
| 42 | * | ||
| 43 | * volk_free(x); | ||
| 44 | * \endcode | ||
| 45 | */ | ||
| 46 | |||
| 47 | #ifndef INCLUDED_volk_16i_x5_add_quad_16i_x4_a_H | ||
| 48 | #define INCLUDED_volk_16i_x5_add_quad_16i_x4_a_H | ||
| 49 | |||
| 50 | #include <inttypes.h> | ||
| 51 | #include <stdio.h> | ||
| 52 | |||
| 53 | #ifdef LV_HAVE_SSE2 | ||
| 54 | #include <emmintrin.h> | ||
| 55 | #include <xmmintrin.h> | ||
| 56 | |||
| 57 | ✗ | static inline void volk_16i_x5_add_quad_16i_x4_a_sse2(short* target0, | |
| 58 | short* target1, | ||
| 59 | short* target2, | ||
| 60 | short* target3, | ||
| 61 | short* src0, | ||
| 62 | short* src1, | ||
| 63 | short* src2, | ||
| 64 | short* src3, | ||
| 65 | short* src4, | ||
| 66 | unsigned int num_points) | ||
| 67 | { | ||
| 68 | ✗ | const unsigned int num_bytes = num_points * 2; | |
| 69 | |||
| 70 | __m128i xmm0, xmm1, xmm2, xmm3, xmm4; | ||
| 71 | __m128i *p_target0, *p_target1, *p_target2, *p_target3, *p_src0, *p_src1, *p_src2, | ||
| 72 | *p_src3, *p_src4; | ||
| 73 | ✗ | p_target0 = (__m128i*)target0; | |
| 74 | ✗ | p_target1 = (__m128i*)target1; | |
| 75 | ✗ | p_target2 = (__m128i*)target2; | |
| 76 | ✗ | p_target3 = (__m128i*)target3; | |
| 77 | |||
| 78 | ✗ | p_src0 = (__m128i*)src0; | |
| 79 | ✗ | p_src1 = (__m128i*)src1; | |
| 80 | ✗ | p_src2 = (__m128i*)src2; | |
| 81 | ✗ | p_src3 = (__m128i*)src3; | |
| 82 | ✗ | p_src4 = (__m128i*)src4; | |
| 83 | |||
| 84 | ✗ | int i = 0; | |
| 85 | |||
| 86 | ✗ | int bound = (num_bytes >> 4); | |
| 87 | ✗ | int leftovers = (num_bytes >> 1) & 7; | |
| 88 | |||
| 89 | ✗ | for (; i < bound; ++i) { | |
| 90 | ✗ | xmm0 = _mm_load_si128(p_src0); | |
| 91 | ✗ | xmm1 = _mm_load_si128(p_src1); | |
| 92 | ✗ | xmm2 = _mm_load_si128(p_src2); | |
| 93 | ✗ | xmm3 = _mm_load_si128(p_src3); | |
| 94 | ✗ | xmm4 = _mm_load_si128(p_src4); | |
| 95 | |||
| 96 | ✗ | p_src0 += 1; | |
| 97 | ✗ | p_src1 += 1; | |
| 98 | |||
| 99 | ✗ | xmm1 = _mm_add_epi16(xmm0, xmm1); | |
| 100 | ✗ | xmm2 = _mm_add_epi16(xmm0, xmm2); | |
| 101 | ✗ | xmm3 = _mm_add_epi16(xmm0, xmm3); | |
| 102 | ✗ | xmm4 = _mm_add_epi16(xmm0, xmm4); | |
| 103 | |||
| 104 | |||
| 105 | ✗ | p_src2 += 1; | |
| 106 | ✗ | p_src3 += 1; | |
| 107 | ✗ | p_src4 += 1; | |
| 108 | |||
| 109 | _mm_store_si128(p_target0, xmm1); | ||
| 110 | _mm_store_si128(p_target1, xmm2); | ||
| 111 | _mm_store_si128(p_target2, xmm3); | ||
| 112 | _mm_store_si128(p_target3, xmm4); | ||
| 113 | |||
| 114 | ✗ | p_target0 += 1; | |
| 115 | ✗ | p_target1 += 1; | |
| 116 | ✗ | p_target2 += 1; | |
| 117 | ✗ | p_target3 += 1; | |
| 118 | } | ||
| 119 | /*__VOLK_ASM __VOLK_VOLATILE | ||
| 120 | ( | ||
| 121 | ".%=volk_16i_x5_add_quad_16i_x4_a_sse2_L1:\n\t" | ||
| 122 | "cmp $0, %[bound]\n\t" | ||
| 123 | "je .%=volk_16i_x5_add_quad_16i_x4_a_sse2_END\n\t" | ||
| 124 | "movaps (%[src0]), %%xmm1\n\t" | ||
| 125 | "movaps (%[src1]), %%xmm2\n\t" | ||
| 126 | "movaps (%[src2]), %%xmm3\n\t" | ||
| 127 | "movaps (%[src3]), %%xmm4\n\t" | ||
| 128 | "movaps (%[src4]), %%xmm5\n\t" | ||
| 129 | "add $16, %[src0]\n\t" | ||
| 130 | "add $16, %[src1]\n\t" | ||
| 131 | "add $16, %[src2]\n\t" | ||
| 132 | "add $16, %[src3]\n\t" | ||
| 133 | "add $16, %[src4]\n\t" | ||
| 134 | "paddw %%xmm1, %%xmm2\n\t" | ||
| 135 | "paddw %%xmm1, %%xmm3\n\t" | ||
| 136 | "paddw %%xmm1, %%xmm4\n\t" | ||
| 137 | "paddw %%xmm1, %%xmm5\n\t" | ||
| 138 | "add $-1, %[bound]\n\t" | ||
| 139 | "movaps %%xmm2, (%[target0])\n\t" | ||
| 140 | "movaps %%xmm3, (%[target1])\n\t" | ||
| 141 | "movaps %%xmm4, (%[target2])\n\t" | ||
| 142 | "movaps %%xmm5, (%[target3])\n\t" | ||
| 143 | "add $16, %[target0]\n\t" | ||
| 144 | "add $16, %[target1]\n\t" | ||
| 145 | "add $16, %[target2]\n\t" | ||
| 146 | "add $16, %[target3]\n\t" | ||
| 147 | "jmp .%=volk_16i_x5_add_quad_16i_x4_a_sse2_L1\n\t" | ||
| 148 | ".%=volk_16i_x5_add_quad_16i_x4_a_sse2_END:\n\t" | ||
| 149 | : | ||
| 150 | :[bound]"r"(bound), [src0]"r"(src0), [src1]"r"(src1), [src2]"r"(src2), | ||
| 151 | [src3]"r"(src3), [src4]"r"(src4), [target0]"r"(target0), [target1]"r"(target1), | ||
| 152 | [target2]"r"(target2), [target3]"r"(target3) | ||
| 153 | :"xmm1", "xmm2", "xmm3", "xmm4", "xmm5" | ||
| 154 | ); | ||
| 155 | */ | ||
| 156 | |||
| 157 | ✗ | for (i = bound * 8; i < (bound * 8) + leftovers; ++i) { | |
| 158 | ✗ | target0[i] = src0[i] + src1[i]; | |
| 159 | ✗ | target1[i] = src0[i] + src2[i]; | |
| 160 | ✗ | target2[i] = src0[i] + src3[i]; | |
| 161 | ✗ | target3[i] = src0[i] + src4[i]; | |
| 162 | } | ||
| 163 | ✗ | } | |
| 164 | #endif /*LV_HAVE_SSE2*/ | ||
| 165 | |||
| 166 | #ifdef LV_HAVE_NEON | ||
| 167 | #include <arm_neon.h> | ||
| 168 | |||
| 169 | static inline void volk_16i_x5_add_quad_16i_x4_neon(short* target0, | ||
| 170 | short* target1, | ||
| 171 | short* target2, | ||
| 172 | short* target3, | ||
| 173 | short* src0, | ||
| 174 | short* src1, | ||
| 175 | short* src2, | ||
| 176 | short* src3, | ||
| 177 | short* src4, | ||
| 178 | unsigned int num_points) | ||
| 179 | { | ||
| 180 | const unsigned int eighth_points = num_points / 8; | ||
| 181 | unsigned int number = 0; | ||
| 182 | |||
| 183 | int16x8_t src0_vec, src1_vec, src2_vec, src3_vec, src4_vec; | ||
| 184 | int16x8_t target0_vec, target1_vec, target2_vec, target3_vec; | ||
| 185 | for (number = 0; number < eighth_points; ++number) { | ||
| 186 | src0_vec = vld1q_s16(src0); | ||
| 187 | src1_vec = vld1q_s16(src1); | ||
| 188 | src2_vec = vld1q_s16(src2); | ||
| 189 | src3_vec = vld1q_s16(src3); | ||
| 190 | src4_vec = vld1q_s16(src4); | ||
| 191 | |||
| 192 | target0_vec = vaddq_s16(src0_vec, src1_vec); | ||
| 193 | target1_vec = vaddq_s16(src0_vec, src2_vec); | ||
| 194 | target2_vec = vaddq_s16(src0_vec, src3_vec); | ||
| 195 | target3_vec = vaddq_s16(src0_vec, src4_vec); | ||
| 196 | |||
| 197 | vst1q_s16(target0, target0_vec); | ||
| 198 | vst1q_s16(target1, target1_vec); | ||
| 199 | vst1q_s16(target2, target2_vec); | ||
| 200 | vst1q_s16(target3, target3_vec); | ||
| 201 | src0 += 8; | ||
| 202 | src1 += 8; | ||
| 203 | src2 += 8; | ||
| 204 | src3 += 8; | ||
| 205 | src4 += 8; | ||
| 206 | target0 += 8; | ||
| 207 | target1 += 8; | ||
| 208 | target2 += 8; | ||
| 209 | target3 += 8; | ||
| 210 | } | ||
| 211 | |||
| 212 | for (number = eighth_points * 8; number < num_points; ++number) { | ||
| 213 | *target0++ = *src0 + *src1++; | ||
| 214 | *target1++ = *src0 + *src2++; | ||
| 215 | *target2++ = *src0 + *src3++; | ||
| 216 | *target3++ = *src0++ + *src4++; | ||
| 217 | } | ||
| 218 | } | ||
| 219 | |||
| 220 | #endif /* LV_HAVE_NEON */ | ||
| 221 | |||
| 222 | #ifdef LV_HAVE_GENERIC | ||
| 223 | |||
| 224 | ✗ | static inline void volk_16i_x5_add_quad_16i_x4_generic(short* target0, | |
| 225 | short* target1, | ||
| 226 | short* target2, | ||
| 227 | short* target3, | ||
| 228 | short* src0, | ||
| 229 | short* src1, | ||
| 230 | short* src2, | ||
| 231 | short* src3, | ||
| 232 | short* src4, | ||
| 233 | unsigned int num_points) | ||
| 234 | { | ||
| 235 | ✗ | const unsigned int num_bytes = num_points * 2; | |
| 236 | |||
| 237 | ✗ | int i = 0; | |
| 238 | |||
| 239 | ✗ | int bound = num_bytes >> 1; | |
| 240 | |||
| 241 | ✗ | for (i = 0; i < bound; ++i) { | |
| 242 | ✗ | target0[i] = src0[i] + src1[i]; | |
| 243 | ✗ | target1[i] = src0[i] + src2[i]; | |
| 244 | ✗ | target2[i] = src0[i] + src3[i]; | |
| 245 | ✗ | target3[i] = src0[i] + src4[i]; | |
| 246 | } | ||
| 247 | ✗ | } | |
| 248 | |||
| 249 | #endif /* LV_HAVE_GENERIC */ | ||
| 250 | |||
| 251 | #endif /*INCLUDED_volk_16i_x5_add_quad_16i_x4_a_H*/ | ||
| 252 |