Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1 | //****************************************************************************** |
| 2 | //* |
| 3 | //* Copyright (C) 2015 The Android Open Source Project |
| 4 | //* |
| 5 | //* Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | //* you may not use this file except in compliance with the License. |
| 7 | //* You may obtain a copy of the License at: |
| 8 | //* |
| 9 | //* http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | //* |
| 11 | //* Unless required by applicable law or agreed to in writing, software |
| 12 | //* distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | //* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | //* See the License for the specific language governing permissions and |
| 15 | //* limitations under the License. |
| 16 | //* |
| 17 | //***************************************************************************** |
| 18 | //* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| 19 | //*/ |
| 20 | ///** |
| 21 | //****************************************************************************** |
| 22 | //* @file |
| 23 | //* ih264_inter_pred_luma_horz_hpel_vert_qpel_av8.s |
| 24 | //* |
| 25 | //* @brief |
| 26 | //* Contains function definitions for inter prediction interpolation. |
| 27 | //* |
| 28 | //* @author |
| 29 | //* Mohit |
| 30 | //* |
| 31 | //* @par List of Functions: |
| 32 | //* |
| 33 | //* - ih264_inter_pred_luma_horz_hpel_vert_qpel_av8() |
| 34 | //* |
| 35 | //* @remarks |
| 36 | //* None |
| 37 | //* |
| 38 | //******************************************************************************* |
| 39 | //*/ |
| 40 | |
| 41 | ///* All the functions here are replicated from ih264_inter_pred_filters.c |
| 42 | // |
| 43 | |
| 44 | ///** |
| 45 | ///** |
| 46 | ///** |
| 47 | //******************************************************************************* |
| 48 | //* |
| 49 | //* @brief |
| 50 | //* This function implements a two stage cascaded six tap filter. It |
| 51 | //* applies the six tap filter in the horizontal direction on the |
| 52 | //* predictor values, followed by applying the same filter in the |
| 53 | //* vertical direction on the output of the first stage. It then averages |
| 54 | //* the output of the 1st stage and the output of the 2nd stage to obtain |
| 55 | //* the quarter pel values. The six tap filtering operation is described |
| 56 | //* in sec 8.4.2.2.1 titled "Luma sample interpolation process". |
| 57 | //* |
| 58 | //* @par Description: |
| 59 | //* This function is called to obtain pixels lying at the following |
| 60 | //* location (1/2,1/4) or (1/2,3/4). The function interpolates |
| 61 | //* the predictors first in the horizontal direction and then in the |
| 62 | //* vertical direction to output the (1/2,1/2). It then averages |
| 63 | //* the output of the 2nd stage and (1/2,1/2) value to obtain (1/2,1/4) |
| 64 | //* or (1/2,3/4) depending on the offset. |
| 65 | //* |
| 66 | //* @param[in] pu1_src |
| 67 | //* UWORD8 pointer to the source |
| 68 | //* |
| 69 | //* @param[out] pu1_dst |
| 70 | //* UWORD8 pointer to the destination |
| 71 | //* |
| 72 | //* @param[in] src_strd |
| 73 | //* integer source stride |
| 74 | //* |
| 75 | //* @param[in] dst_strd |
| 76 | //* integer destination stride |
| 77 | //* |
| 78 | //* @param[in] ht |
| 79 | //* integer height of the array |
| 80 | //* |
| 81 | //* @param[in] wd |
| 82 | //* integer width of the array |
| 83 | //* |
| 84 | //* @param[in] pu1_tmp: temporary buffer |
| 85 | //* |
| 86 | //* @param[in] dydx: x and y reference offset for qpel calculations |
| 87 | //* |
| 88 | //* @returns |
| 89 | //* |
| 90 | //* @remarks |
| 91 | //* None |
| 92 | //* |
| 93 | //******************************************************************************* |
| 94 | //*/; |
| 95 | |
| 96 | //void ih264_inter_pred_luma_horz_hpel_vert_qpel(UWORD8 *pu1_src, |
| 97 | // UWORD8 *pu1_dst, |
| 98 | // WORD32 src_strd,, |
| 99 | // WORD32 dst_strd, |
| 100 | // WORD32 ht, |
| 101 | // WORD32 wd, |
| 102 | // UWORD8* pu1_tmp, |
| 103 | // UWORD32 dydx) |
| 104 | |
| 105 | //**************Variables Vs Registers***************************************** |
| 106 | // x0 => *pu1_src |
| 107 | // x1 => *pu1_dst |
| 108 | // x2 => src_strd |
| 109 | // x3 => dst_strd |
| 110 | // x4 => ht |
| 111 | // x5 => wd |
| 112 | // x7 => dydx |
| 113 | // x9 => *pu1_tmp |
| 114 | |
| 115 | .text |
| 116 | .p2align 2 |
| 117 | .include "ih264_neon_macros.s" |
| 118 | |
| 119 | |
| 120 | |
| 121 | .global ih264_inter_pred_luma_horz_hpel_vert_qpel_av8 |
| 122 | |
| 123 | ih264_inter_pred_luma_horz_hpel_vert_qpel_av8: |
| 124 | |
| 125 | |
| 126 | // store register values to stack |
| 127 | push_v_regs |
| 128 | stp x19, x20, [sp, #-16]! |
| 129 | |
| 130 | |
| 131 | |
| 132 | sub x0, x0, x2, lsl #1 // pu1_src-2*src_strd |
| 133 | sub x0, x0, #2 // pu1_src-2 |
| 134 | |
| 135 | mov x9, x6 |
| 136 | |
| 137 | lsr x7, x7, #3 // dydx >> 2 followed by dydx & 0x3 and dydx>>1 to obtain the deciding bit |
| 138 | |
| 139 | add x7, x7, #2 |
| 140 | mov x6, #48 |
| 141 | madd x7, x7, x6, x9 |
| 142 | |
| 143 | subs x12, x5, #4 //if wd=4 branch to loop_4 |
| 144 | beq loop_4_start |
| 145 | |
| 146 | subs x12, x5, #8 //if wd=8 branch to loop_8 |
| 147 | beq loop_8_start |
| 148 | |
| 149 | //when wd=16 |
| 150 | movi v22.8h, #20 // Filter coeff 0x14 into Q11 |
| 151 | movi v24.8h, #5 // Filter coeff 0x5 into Q12 |
| 152 | add x8, x0, #8 |
| 153 | add x14, x1, #8 |
| 154 | add x10, x9, #8 |
| 155 | mov x12, x4 |
| 156 | add x11, x7, #8 |
| 157 | loop_16_lowhalf_start: |
| 158 | ld1 {v0.2s, v1.2s}, [x0], x2 // row -2 load for horizontal filter |
| 159 | ext v5.8b, v0.8b , v1.8b , #5 |
| 160 | uaddl v6.8h, v0.8b, v5.8b |
| 161 | |
| 162 | ext v2.8b, v0.8b , v1.8b , #2 |
| 163 | ext v3.8b, v0.8b , v1.8b , #3 |
| 164 | uaddl v8.8h, v2.8b, v3.8b |
| 165 | ext v4.8b, v0.8b , v1.8b , #4 |
| 166 | mla v6.8h, v8.8h , v22.8h |
| 167 | ext v1.8b, v0.8b , v1.8b , #1 |
| 168 | uaddl v8.8h, v1.8b, v4.8b |
| 169 | ld1 {v0.2s, v1.2s}, [x0], x2 // row -1 load for horizontal filter |
| 170 | mls v6.8h, v8.8h , v24.8h |
| 171 | ext v5.8b, v0.8b , v1.8b , #5 |
| 172 | uaddl v8.8h, v0.8b, v5.8b |
| 173 | ext v2.8b, v0.8b , v1.8b , #2 |
| 174 | ext v3.8b, v0.8b , v1.8b , #3 |
| 175 | uaddl v10.8h, v2.8b, v3.8b |
| 176 | |
| 177 | st1 {v6.4s}, [x9], x6 // store temp buffer 0 |
| 178 | |
| 179 | ext v4.8b, v0.8b , v1.8b , #4 |
| 180 | mla v8.8h, v10.8h , v22.8h |
| 181 | ext v1.8b, v0.8b , v1.8b , #1 |
| 182 | uaddl v10.8h, v1.8b, v4.8b |
| 183 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 0 load for horizontal filter |
| 184 | mls v8.8h, v10.8h , v24.8h |
| 185 | ext v5.8b, v0.8b , v1.8b , #5 |
| 186 | uaddl v10.8h, v0.8b, v5.8b |
| 187 | ext v2.8b, v0.8b , v1.8b , #2 |
| 188 | ext v3.8b, v0.8b , v1.8b , #3 |
| 189 | uaddl v12.8h, v2.8b, v3.8b |
| 190 | |
| 191 | st1 {v8.4s}, [x9], x6 // store temp buffer 1 |
| 192 | |
| 193 | ext v4.8b, v0.8b , v1.8b , #4 |
| 194 | mla v10.8h, v12.8h , v22.8h |
| 195 | ext v1.8b, v0.8b , v1.8b , #1 |
| 196 | uaddl v12.8h, v1.8b, v4.8b |
| 197 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 1 load for horizontal filter |
| 198 | mls v10.8h, v12.8h , v24.8h |
| 199 | ext v5.8b, v0.8b , v1.8b , #5 |
| 200 | uaddl v12.8h, v0.8b, v5.8b |
| 201 | ext v2.8b, v0.8b , v1.8b , #2 |
| 202 | ext v3.8b, v0.8b , v1.8b , #3 |
| 203 | uaddl v14.8h, v2.8b, v3.8b |
| 204 | |
| 205 | st1 {v10.4s}, [x9], x6 // store temp buffer 2 |
| 206 | |
| 207 | ext v4.8b, v0.8b , v1.8b , #4 |
| 208 | mla v12.8h, v14.8h , v22.8h |
| 209 | ext v1.8b, v0.8b , v1.8b , #1 |
| 210 | uaddl v14.8h, v1.8b, v4.8b |
| 211 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 2 load for horizontal filter |
| 212 | mls v12.8h, v14.8h , v24.8h |
| 213 | ext v5.8b, v0.8b , v1.8b , #5 |
| 214 | uaddl v14.8h, v0.8b, v5.8b |
| 215 | ext v2.8b, v0.8b , v1.8b , #2 |
| 216 | ext v3.8b, v0.8b , v1.8b , #3 |
| 217 | uaddl v16.8h, v2.8b, v3.8b |
| 218 | |
| 219 | st1 {v12.4s}, [x9], x6 // store temp buffer 3 |
| 220 | |
| 221 | ext v4.8b, v0.8b , v1.8b , #4 |
| 222 | mla v14.8h, v16.8h , v22.8h |
| 223 | ext v1.8b, v0.8b , v1.8b , #1 |
| 224 | uaddl v16.8h, v1.8b, v4.8b |
| 225 | |
| 226 | mls v14.8h, v16.8h , v24.8h |
| 227 | loop_16_lowhalf: |
| 228 | |
| 229 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 3 load for horizontal filter |
| 230 | ext v5.8b, v0.8b , v1.8b , #5 |
| 231 | ext v2.8b, v0.8b , v1.8b , #2 |
| 232 | ext v3.8b, v0.8b , v1.8b , #3 |
| 233 | uaddl v16.8h, v0.8b, v5.8b |
| 234 | |
| 235 | st1 {v14.4s}, [x9], x6 // store temp buffer 4 |
| 236 | |
| 237 | uaddl v18.8h, v2.8b, v3.8b |
| 238 | ext v4.8b, v0.8b , v1.8b , #4 |
| 239 | mla v16.8h, v18.8h , v22.8h |
| 240 | ext v1.8b, v0.8b , v1.8b , #1 |
| 241 | add v28.8h, v8.8h , v14.8h |
| 242 | uaddl v18.8h, v1.8b, v4.8b |
| 243 | add v30.8h, v10.8h , v12.8h |
| 244 | mls v16.8h, v18.8h , v24.8h |
| 245 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 4 load for hoorizontal filter |
| 246 | ext v5.8b, v0.8b , v1.8b , #5 |
| 247 | ext v2.8b, v0.8b , v1.8b , #2 |
| 248 | ext v3.8b, v0.8b , v1.8b , #3 |
| 249 | uaddl v20.8h, v0.8b, v5.8b |
| 250 | |
| 251 | st1 {v16.4s}, [x9], x6 // store temp buffer x5 |
| 252 | |
| 253 | saddl v18.4s, v6.4h, v16.4h |
| 254 | |
| 255 | ld1 {v26.4s}, [x7], x6 // load from temp buffer 0 |
| 256 | |
| 257 | saddl2 v6.4s, v6.8h, v16.8h |
| 258 | |
| 259 | sqrshrun v26.8b, v26.8h, #5 |
| 260 | |
| 261 | smlal v18.4s, v30.4h, v22.4h |
| 262 | smlsl v18.4s, v28.4h, v24.4h |
| 263 | smlal2 v6.4s, v30.8h, v22.8h |
| 264 | smlsl2 v6.4s, v28.8h, v24.8h |
| 265 | uaddl v2.8h, v2.8b, v3.8b |
| 266 | ext v4.8b, v0.8b , v1.8b , #4 |
| 267 | mla v20.8h, v2.8h , v22.8h |
| 268 | sqrshrun v18.4h, v18.4s, #10 |
| 269 | ext v1.8b, v0.8b , v1.8b , #1 |
| 270 | sqrshrun v19.4h, v6.4s, #10 |
| 271 | add v28.8h, v10.8h , v16.8h |
| 272 | uaddl v2.8h, v1.8b, v4.8b |
| 273 | add v30.8h, v12.8h , v14.8h |
| 274 | mls v20.8h, v2.8h , v24.8h |
| 275 | |
| 276 | uqxtn v18.8b, v18.8h |
| 277 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 278 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 279 | |
| 280 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 5 load for horizontal filter |
| 281 | |
| 282 | urhadd v26.8b, v18.8b , v26.8b |
| 283 | |
| 284 | ext v5.8b, v0.8b , v1.8b , #5 |
| 285 | ext v2.8b, v0.8b , v1.8b , #2 |
| 286 | |
| 287 | st1 {v20.4s}, [x9], x6 // store temp buffer x6 |
| 288 | |
| 289 | saddl v18.4s, v8.4h, v20.4h |
| 290 | |
| 291 | saddl2 v6.4s, v8.8h, v20.8h |
| 292 | |
| 293 | ld1 {v8.4s}, [x7], x6 //load from temp buffer 1 |
| 294 | |
| 295 | |
| 296 | st1 {v26.2s}, [x1], x3 // store row 0 |
| 297 | |
| 298 | smlal v18.4s, v30.4h, v22.4h |
| 299 | smlsl v18.4s, v28.4h, v24.4h |
| 300 | smlal2 v6.4s, v30.8h, v22.8h |
| 301 | smlsl2 v6.4s, v28.8h, v24.8h |
| 302 | |
| 303 | sqrshrun v28.8b, v8.8h, #5 |
| 304 | ext v3.8b, v0.8b , v1.8b , #3 |
| 305 | uaddl v8.8h, v0.8b, v5.8b |
| 306 | uaddl v2.8h, v2.8b, v3.8b |
| 307 | sqrshrun v18.4h, v18.4s, #10 |
| 308 | ext v4.8b, v0.8b , v1.8b , #4 |
| 309 | sqrshrun v19.4h, v6.4s, #10 |
| 310 | mla v8.8h, v2.8h , v22.8h |
| 311 | ext v1.8b, v0.8b , v1.8b , #1 |
| 312 | add v26.8h, v12.8h , v20.8h |
| 313 | uaddl v2.8h, v1.8b, v4.8b |
| 314 | uqxtn v18.8b, v18.8h |
| 315 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 316 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 317 | add v30.8h, v14.8h , v16.8h |
| 318 | mls v8.8h, v2.8h , v24.8h |
| 319 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 6 load for horizontal filter |
| 320 | |
| 321 | urhadd v28.8b, v28.8b , v18.8b |
| 322 | |
| 323 | ext v5.8b, v0.8b , v1.8b , #5 |
| 324 | ext v2.8b, v0.8b , v1.8b , #2 |
| 325 | ext v3.8b, v0.8b , v1.8b , #3 |
| 326 | |
| 327 | st1 {v28.2s}, [x1], x3 // store row 1 |
| 328 | |
| 329 | uaddl v28.8h, v0.8b, v5.8b |
| 330 | |
| 331 | st1 {v8.4s}, [x9], x6 // store temp buffer x7 |
| 332 | |
| 333 | saddl v18.4s, v10.4h, v8.4h |
| 334 | saddl2 v6.4s, v10.8h, v8.8h |
| 335 | |
| 336 | ld1 {v10.4s}, [x7], x6 // load from temp buffer 2 |
| 337 | |
| 338 | smlal v18.4s, v30.4h, v22.4h |
| 339 | smlsl v18.4s, v26.4h, v24.4h |
| 340 | |
| 341 | smlal2 v6.4s, v30.8h, v22.8h |
| 342 | smlsl2 v6.4s, v26.8h, v24.8h |
| 343 | |
| 344 | sqrshrun v26.8b, v10.8h, #5 |
| 345 | |
| 346 | uaddl v2.8h, v2.8b, v3.8b |
| 347 | ext v4.8b, v0.8b , v1.8b , #4 |
| 348 | mla v28.8h, v2.8h , v22.8h |
| 349 | sqrshrun v18.4h, v18.4s, #10 |
| 350 | ext v1.8b, v0.8b , v1.8b , #1 |
| 351 | sqrshrun v19.4h, v6.4s, #10 |
| 352 | add v10.8h, v14.8h , v8.8h |
| 353 | uaddl v2.8h, v1.8b, v4.8b |
| 354 | add v30.8h, v16.8h , v20.8h |
| 355 | mls v28.8h, v2.8h , v24.8h |
| 356 | uqxtn v27.8b, v18.8h |
| 357 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 358 | mov v27.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 359 | saddl v18.4s, v12.4h, v28.4h |
| 360 | saddl2 v6.4s, v12.8h, v28.8h |
| 361 | |
| 362 | urhadd v26.8b, v26.8b , v27.8b |
| 363 | |
| 364 | smlal v18.4s, v30.4h, v22.4h |
| 365 | smlsl v18.4s, v10.4h, v24.4h |
| 366 | smlal2 v6.4s, v30.8h, v22.8h |
| 367 | smlsl2 v6.4s, v10.8h, v24.8h |
| 368 | |
| 369 | st1 {v26.2s}, [x1], x3 // store row 2 |
| 370 | |
| 371 | st1 {v28.2s, v29.2s}, [x9] |
| 372 | |
| 373 | |
| 374 | sqrshrun v18.4h, v18.4s, #10 |
| 375 | |
| 376 | mov v10.16b, v20.16b |
| 377 | mov v11.16b, v21.16b |
| 378 | ld1 {v30.4s}, [x7], x6 // load from temp buffer 3 |
| 379 | |
| 380 | sqrshrun v19.4h, v6.4s, #10 |
| 381 | subs x4, x4, #4 |
| 382 | |
| 383 | sqrshrun v30.8b, v30.8h, #5 |
| 384 | |
| 385 | uqxtn v18.8b, v18.8h |
| 386 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 387 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 388 | |
| 389 | mov v12.16b, v8.16b |
| 390 | mov v13.16b, v9.16b |
| 391 | mov v6.16b, v14.16b |
| 392 | mov v7.16b, v15.16b |
| 393 | |
| 394 | urhadd v30.8b, v18.8b , v30.8b |
| 395 | |
| 396 | mov v8.16b, v16.16b |
| 397 | mov v9.16b, v17.16b |
| 398 | mov v14.16b, v28.16b |
| 399 | mov v15.16b, v29.16b |
| 400 | |
| 401 | st1 {v30.2s}, [x1], x3 // store row 3 |
| 402 | |
| 403 | bgt loop_16_lowhalf // looping if height =16 |
| 404 | |
| 405 | |
| 406 | loop_16_highhalf_start: |
| 407 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 408 | ext v5.8b, v0.8b , v1.8b , #5 |
| 409 | uaddl v6.8h, v0.8b, v5.8b |
| 410 | ext v2.8b, v0.8b , v1.8b , #2 |
| 411 | ext v3.8b, v0.8b , v1.8b , #3 |
| 412 | uaddl v8.8h, v2.8b, v3.8b |
| 413 | ext v4.8b, v0.8b , v1.8b , #4 |
| 414 | mla v6.8h, v8.8h , v22.8h |
| 415 | ext v1.8b, v0.8b , v1.8b , #1 |
| 416 | uaddl v8.8h, v1.8b, v4.8b |
| 417 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 418 | mls v6.8h, v8.8h , v24.8h |
| 419 | ext v5.8b, v0.8b , v1.8b , #5 |
| 420 | uaddl v8.8h, v0.8b, v5.8b |
| 421 | ext v2.8b, v0.8b , v1.8b , #2 |
| 422 | ext v3.8b, v0.8b , v1.8b , #3 |
| 423 | uaddl v10.8h, v2.8b, v3.8b |
| 424 | |
| 425 | st1 {v6.4s}, [x10], x6 |
| 426 | |
| 427 | ext v4.8b, v0.8b , v1.8b , #4 |
| 428 | mla v8.8h, v10.8h , v22.8h |
| 429 | ext v1.8b, v0.8b , v1.8b , #1 |
| 430 | uaddl v10.8h, v1.8b, v4.8b |
| 431 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 432 | mls v8.8h, v10.8h , v24.8h |
| 433 | ext v5.8b, v0.8b , v1.8b , #5 |
| 434 | uaddl v10.8h, v0.8b, v5.8b |
| 435 | ext v2.8b, v0.8b , v1.8b , #2 |
| 436 | ext v3.8b, v0.8b , v1.8b , #3 |
| 437 | uaddl v12.8h, v2.8b, v3.8b |
| 438 | |
| 439 | st1 {v8.4s}, [x10], x6 |
| 440 | |
| 441 | ext v4.8b, v0.8b , v1.8b , #4 |
| 442 | mla v10.8h, v12.8h , v22.8h |
| 443 | ext v1.8b, v0.8b , v1.8b , #1 |
| 444 | uaddl v12.8h, v1.8b, v4.8b |
| 445 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 446 | mls v10.8h, v12.8h , v24.8h |
| 447 | ext v5.8b, v0.8b , v1.8b , #5 |
| 448 | uaddl v12.8h, v0.8b, v5.8b |
| 449 | ext v2.8b, v0.8b , v1.8b , #2 |
| 450 | ext v3.8b, v0.8b , v1.8b , #3 |
| 451 | uaddl v14.8h, v2.8b, v3.8b |
| 452 | |
| 453 | st1 {v10.4s}, [x10], x6 |
| 454 | |
| 455 | ext v4.8b, v0.8b , v1.8b , #4 |
| 456 | mla v12.8h, v14.8h , v22.8h |
| 457 | ext v1.8b, v0.8b , v1.8b , #1 |
| 458 | uaddl v14.8h, v1.8b, v4.8b |
| 459 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 460 | mls v12.8h, v14.8h , v24.8h |
| 461 | ext v5.8b, v0.8b , v1.8b , #5 |
| 462 | uaddl v14.8h, v0.8b, v5.8b |
| 463 | ext v2.8b, v0.8b , v1.8b , #2 |
| 464 | ext v3.8b, v0.8b , v1.8b , #3 |
| 465 | uaddl v16.8h, v2.8b, v3.8b |
| 466 | |
| 467 | st1 {v12.4s}, [x10], x6 |
| 468 | |
| 469 | ext v4.8b, v0.8b , v1.8b , #4 |
| 470 | mla v14.8h, v16.8h , v22.8h |
| 471 | ext v1.8b, v0.8b , v1.8b , #1 |
| 472 | uaddl v16.8h, v1.8b, v4.8b |
| 473 | |
| 474 | mls v14.8h, v16.8h , v24.8h |
| 475 | |
| 476 | loop_16_highhalf: |
| 477 | |
| 478 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 479 | ext v5.8b, v0.8b , v1.8b , #5 |
| 480 | ext v2.8b, v0.8b , v1.8b , #2 |
| 481 | ext v3.8b, v0.8b , v1.8b , #3 |
| 482 | uaddl v16.8h, v0.8b, v5.8b |
| 483 | |
| 484 | st1 {v14.4s}, [x10], x6 |
| 485 | |
| 486 | uaddl v18.8h, v2.8b, v3.8b |
| 487 | ext v4.8b, v0.8b , v1.8b , #4 |
| 488 | mla v16.8h, v18.8h , v22.8h |
| 489 | ext v1.8b, v0.8b , v1.8b , #1 |
| 490 | add v28.8h, v8.8h , v14.8h |
| 491 | uaddl v18.8h, v1.8b, v4.8b |
| 492 | add v30.8h, v10.8h , v12.8h |
| 493 | mls v16.8h, v18.8h , v24.8h |
| 494 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 495 | ext v5.8b, v0.8b , v1.8b , #5 |
| 496 | ext v2.8b, v0.8b , v1.8b , #2 |
| 497 | ext v3.8b, v0.8b , v1.8b , #3 |
| 498 | uaddl v20.8h, v0.8b, v5.8b |
| 499 | |
| 500 | st1 {v16.4s}, [x10], x6 |
| 501 | |
| 502 | saddl v18.4s, v6.4h, v16.4h |
| 503 | |
| 504 | ld1 {v26.4s}, [x11], x6 |
| 505 | |
| 506 | saddl2 v6.4s, v6.8h, v16.8h |
| 507 | |
| 508 | sqrshrun v26.8b, v26.8h, #5 |
| 509 | |
| 510 | smlal v18.4s, v30.4h, v22.4h |
| 511 | smlsl v18.4s, v28.4h, v24.4h |
| 512 | smlal2 v6.4s, v30.8h, v22.8h |
| 513 | smlsl2 v6.4s, v28.8h, v24.8h |
| 514 | uaddl v2.8h, v2.8b, v3.8b |
| 515 | ext v4.8b, v0.8b , v1.8b , #4 |
| 516 | mla v20.8h, v2.8h , v22.8h |
| 517 | sqrshrun v18.4h, v18.4s, #10 |
| 518 | ext v1.8b, v0.8b , v1.8b , #1 |
| 519 | sqrshrun v19.4h, v6.4s, #10 |
| 520 | add v28.8h, v10.8h , v16.8h |
| 521 | uaddl v2.8h, v1.8b, v4.8b |
| 522 | add v30.8h, v12.8h , v14.8h |
| 523 | mls v20.8h, v2.8h , v24.8h |
| 524 | uqxtn v18.8b, v18.8h |
| 525 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 526 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 527 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 528 | |
| 529 | urhadd v26.8b, v18.8b , v26.8b |
| 530 | |
| 531 | ext v5.8b, v0.8b , v1.8b , #5 |
| 532 | ext v2.8b, v0.8b , v1.8b , #2 |
| 533 | |
| 534 | st1 {v20.4s}, [x10], x6 |
| 535 | |
| 536 | saddl v18.4s, v8.4h, v20.4h |
| 537 | saddl2 v6.4s, v8.8h, v20.8h |
| 538 | |
| 539 | ld1 {v8.4s}, [x11], x6 |
| 540 | |
| 541 | |
| 542 | st1 {v26.2s}, [x14], x3 //store row 0 |
| 543 | |
| 544 | smlal v18.4s, v30.4h, v22.4h |
| 545 | smlsl v18.4s, v28.4h, v24.4h |
| 546 | smlal2 v6.4s, v30.8h, v22.8h |
| 547 | smlsl2 v6.4s, v28.8h, v24.8h |
| 548 | sqrshrun v28.8b, v8.8h, #5 |
| 549 | ext v3.8b, v0.8b , v1.8b , #3 |
| 550 | uaddl v8.8h, v0.8b, v5.8b |
| 551 | uaddl v2.8h, v2.8b, v3.8b |
| 552 | sqrshrun v18.4h, v18.4s, #10 |
| 553 | ext v4.8b, v0.8b , v1.8b , #4 |
| 554 | sqrshrun v19.4h, v6.4s, #10 |
| 555 | mla v8.8h, v2.8h , v22.8h |
| 556 | ext v1.8b, v0.8b , v1.8b , #1 |
| 557 | add v26.8h, v12.8h , v20.8h |
| 558 | uaddl v2.8h, v1.8b, v4.8b |
| 559 | uqxtn v18.8b, v18.8h |
| 560 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 561 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 562 | add v30.8h, v14.8h , v16.8h |
| 563 | mls v8.8h, v2.8h , v24.8h |
| 564 | ld1 {v0.2s, v1.2s}, [x8], x2 |
| 565 | |
| 566 | urhadd v28.8b, v28.8b , v18.8b |
| 567 | |
| 568 | ext v5.8b, v0.8b , v1.8b , #5 |
| 569 | ext v2.8b, v0.8b , v1.8b , #2 |
| 570 | ext v3.8b, v0.8b , v1.8b , #3 |
| 571 | |
| 572 | st1 {v28.2s}, [x14], x3 //store row 1 |
| 573 | |
| 574 | uaddl v28.8h, v0.8b, v5.8b |
| 575 | |
| 576 | st1 {v8.4s}, [x10], x6 |
| 577 | |
| 578 | saddl v18.4s, v10.4h, v8.4h |
| 579 | saddl2 v6.4s, v10.8h, v8.8h |
| 580 | |
| 581 | ld1 {v10.4s}, [x11], x6 |
| 582 | |
| 583 | smlal v18.4s, v30.4h, v22.4h |
| 584 | smlsl v18.4s, v26.4h, v24.4h |
| 585 | smlal2 v6.4s, v30.8h, v22.8h |
| 586 | smlsl2 v6.4s, v26.8h, v24.8h |
| 587 | |
| 588 | sqrshrun v26.8b, v10.8h, #5 |
| 589 | uaddl v2.8h, v2.8b, v3.8b |
| 590 | ext v4.8b, v0.8b , v1.8b , #4 |
| 591 | mla v28.8h, v2.8h , v22.8h |
| 592 | sqrshrun v18.4h, v18.4s, #10 |
| 593 | ext v1.8b, v0.8b , v1.8b , #1 |
| 594 | sqrshrun v19.4h, v6.4s, #10 |
| 595 | add v10.8h, v14.8h , v8.8h |
| 596 | uaddl v2.8h, v1.8b, v4.8b |
| 597 | add v30.8h, v16.8h , v20.8h |
| 598 | mls v28.8h, v2.8h , v24.8h |
| 599 | uqxtn v27.8b, v18.8h |
| 600 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 601 | mov v27.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 602 | |
| 603 | |
| 604 | saddl v18.4s, v12.4h, v28.4h |
| 605 | saddl2 v6.4s, v12.8h, v28.8h |
| 606 | |
| 607 | urhadd v26.8b, v26.8b , v27.8b |
| 608 | |
| 609 | smlal v18.4s, v30.4h, v22.4h |
| 610 | smlsl v18.4s, v10.4h, v24.4h |
| 611 | smlal2 v6.4s, v30.8h, v22.8h |
| 612 | smlsl2 v6.4s, v10.8h, v24.8h |
| 613 | |
| 614 | st1 {v26.2s}, [x14], x3 // store row 2 |
| 615 | |
| 616 | st1 {v28.4s}, [x10] |
| 617 | |
| 618 | sqrshrun v18.4h, v18.4s, #10 |
| 619 | mov v10.16b, v20.16b |
| 620 | mov v11.16b, v21.16b |
| 621 | ld1 {v30.4s}, [x11], x6 |
| 622 | |
| 623 | sqrshrun v19.4h, v6.4s, #10 |
| 624 | subs x12, x12, #4 |
| 625 | |
| 626 | sqrshrun v30.8b, v30.8h, #5 |
| 627 | |
| 628 | uqxtn v18.8b, v18.8h |
| 629 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 630 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 631 | |
| 632 | mov v12.16b, v8.16b |
| 633 | mov v13.16b, v9.16b |
| 634 | mov v6.16b, v14.16b |
| 635 | mov v7.16b, v15.16b |
| 636 | urhadd v30.8b, v18.8b , v30.8b |
| 637 | |
| 638 | mov v8.16b, v16.16b |
| 639 | mov v9.16b, v17.16b |
| 640 | mov v14.16b, v28.16b |
| 641 | mov v15.16b, v29.16b |
| 642 | st1 {v30.2s}, [x14], x3 // store row 3 |
| 643 | |
| 644 | bgt loop_16_highhalf // looping if height = 8 or 16 |
| 645 | b end_func |
| 646 | |
| 647 | loop_8_start: |
| 648 | |
| 649 | movi v22.8h, #0x14 // Filter coeff 20 into Q11 |
| 650 | movi v24.8h, #5 // Filter coeff 5 into Q12 |
| 651 | ld1 {v0.2s, v1.2s}, [x0], x2 // row -2 load for horizontal filter |
| 652 | ext v5.8b, v0.8b , v1.8b , #5 |
| 653 | uaddl v6.8h, v0.8b, v5.8b |
| 654 | |
| 655 | ext v2.8b, v0.8b , v1.8b , #2 |
| 656 | ext v3.8b, v0.8b , v1.8b , #3 |
| 657 | uaddl v8.8h, v2.8b, v3.8b |
| 658 | ext v4.8b, v0.8b , v1.8b , #4 |
| 659 | mla v6.8h, v8.8h , v22.8h |
| 660 | ext v1.8b, v0.8b , v1.8b , #1 |
| 661 | uaddl v8.8h, v1.8b, v4.8b |
| 662 | ld1 {v0.2s, v1.2s}, [x0], x2 // row -1 load for horizontal filter |
| 663 | mls v6.8h, v8.8h , v24.8h |
| 664 | ext v5.8b, v0.8b , v1.8b , #5 |
| 665 | uaddl v8.8h, v0.8b, v5.8b |
| 666 | ext v2.8b, v0.8b , v1.8b , #2 |
| 667 | ext v3.8b, v0.8b , v1.8b , #3 |
| 668 | uaddl v10.8h, v2.8b, v3.8b |
| 669 | |
| 670 | st1 {v6.4s}, [x9], x6 // store temp buffer 0 |
| 671 | |
| 672 | ext v4.8b, v0.8b , v1.8b , #4 |
| 673 | mla v8.8h, v10.8h , v22.8h |
| 674 | ext v1.8b, v0.8b , v1.8b , #1 |
| 675 | uaddl v10.8h, v1.8b, v4.8b |
| 676 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 0 load for horizontal filter |
| 677 | mls v8.8h, v10.8h , v24.8h |
| 678 | ext v5.8b, v0.8b , v1.8b , #5 |
| 679 | uaddl v10.8h, v0.8b, v5.8b |
| 680 | ext v2.8b, v0.8b , v1.8b , #2 |
| 681 | ext v3.8b, v0.8b , v1.8b , #3 |
| 682 | uaddl v12.8h, v2.8b, v3.8b |
| 683 | |
| 684 | st1 {v8.4s}, [x9], x6 // store temp buffer 1 |
| 685 | |
| 686 | ext v4.8b, v0.8b , v1.8b , #4 |
| 687 | mla v10.8h, v12.8h , v22.8h |
| 688 | ext v1.8b, v0.8b , v1.8b , #1 |
| 689 | uaddl v12.8h, v1.8b, v4.8b |
| 690 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 1 load for horizontal filter |
| 691 | mls v10.8h, v12.8h , v24.8h |
| 692 | ext v5.8b, v0.8b , v1.8b , #5 |
| 693 | uaddl v12.8h, v0.8b, v5.8b |
| 694 | ext v2.8b, v0.8b , v1.8b , #2 |
| 695 | ext v3.8b, v0.8b , v1.8b , #3 |
| 696 | uaddl v14.8h, v2.8b, v3.8b |
| 697 | |
| 698 | st1 {v10.4s}, [x9], x6 // store temp buffer 2 |
| 699 | |
| 700 | ext v4.8b, v0.8b , v1.8b , #4 |
| 701 | mla v12.8h, v14.8h , v22.8h |
| 702 | ext v1.8b, v0.8b , v1.8b , #1 |
| 703 | uaddl v14.8h, v1.8b, v4.8b |
| 704 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 2 load for horizontal filter |
| 705 | mls v12.8h, v14.8h , v24.8h |
| 706 | ext v5.8b, v0.8b , v1.8b , #5 |
| 707 | uaddl v14.8h, v0.8b, v5.8b |
| 708 | ext v2.8b, v0.8b , v1.8b , #2 |
| 709 | ext v3.8b, v0.8b , v1.8b , #3 |
| 710 | uaddl v16.8h, v2.8b, v3.8b |
| 711 | |
| 712 | st1 {v12.4s}, [x9], x6 // store temp buffer 3 |
| 713 | |
| 714 | ext v4.8b, v0.8b , v1.8b , #4 |
| 715 | mla v14.8h, v16.8h , v22.8h |
| 716 | ext v1.8b, v0.8b , v1.8b , #1 |
| 717 | uaddl v16.8h, v1.8b, v4.8b |
| 718 | |
| 719 | mls v14.8h, v16.8h , v24.8h |
| 720 | loop_8: |
| 721 | |
| 722 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 3 load for horizontal filter |
| 723 | ext v5.8b, v0.8b , v1.8b , #5 |
| 724 | ext v2.8b, v0.8b , v1.8b , #2 |
| 725 | ext v3.8b, v0.8b , v1.8b , #3 |
| 726 | uaddl v16.8h, v0.8b, v5.8b |
| 727 | |
| 728 | st1 {v14.4s}, [x9], x6 // store temp buffer 4 |
| 729 | |
| 730 | uaddl v18.8h, v2.8b, v3.8b |
| 731 | ext v4.8b, v0.8b , v1.8b , #4 |
| 732 | mla v16.8h, v18.8h , v22.8h |
| 733 | ext v1.8b, v0.8b , v1.8b , #1 |
| 734 | add v28.8h, v8.8h , v14.8h |
| 735 | uaddl v18.8h, v1.8b, v4.8b |
| 736 | add v30.8h, v10.8h , v12.8h |
| 737 | mls v16.8h, v18.8h , v24.8h |
| 738 | ld1 {v0.2s, v1.2s} , [x0], x2 // row 4 load for hoorizontal filter |
| 739 | ext v5.8b, v0.8b , v1.8b , #5 |
| 740 | ext v2.8b, v0.8b , v1.8b , #2 |
| 741 | ext v3.8b, v0.8b , v1.8b , #3 |
| 742 | uaddl v20.8h, v0.8b, v5.8b |
| 743 | |
| 744 | st1 {v16.4s}, [x9], x6 // store temp buffer x5 |
| 745 | |
| 746 | saddl v18.4s, v6.4h, v16.4h |
| 747 | |
| 748 | ld1 {v26.4s}, [x7], x6 // load from temp buffer 0 |
| 749 | |
| 750 | saddl2 v6.4s, v6.8h, v16.8h |
| 751 | |
| 752 | sqrshrun v26.8b, v26.8h, #5 |
| 753 | |
| 754 | smlal v18.4s, v30.4h, v22.4h |
| 755 | smlsl v18.4s, v28.4h, v24.4h |
| 756 | smlal2 v6.4s, v30.8h, v22.8h |
| 757 | smlsl2 v6.4s, v28.8h, v24.8h |
| 758 | uaddl v2.8h, v2.8b, v3.8b |
| 759 | ext v4.8b, v0.8b , v1.8b , #4 |
| 760 | mla v20.8h, v2.8h , v22.8h |
| 761 | sqrshrun v18.4h, v18.4s, #10 |
| 762 | ext v1.8b, v0.8b , v1.8b , #1 |
| 763 | sqrshrun v19.4h, v6.4s, #10 |
| 764 | add v28.8h, v10.8h , v16.8h |
| 765 | uaddl v2.8h, v1.8b, v4.8b |
| 766 | add v30.8h, v12.8h , v14.8h |
| 767 | mls v20.8h, v2.8h , v24.8h |
| 768 | |
| 769 | uqxtn v18.8b, v18.8h |
| 770 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 771 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 772 | |
| 773 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 5 load for horizontal filter |
| 774 | |
| 775 | urhadd v26.8b, v18.8b , v26.8b |
| 776 | |
| 777 | ext v5.8b, v0.8b , v1.8b , #5 |
| 778 | ext v2.8b, v0.8b , v1.8b , #2 |
| 779 | |
| 780 | st1 {v20.4s}, [x9], x6 // store temp buffer x6 |
| 781 | |
| 782 | saddl v18.4s, v8.4h, v20.4h |
| 783 | |
| 784 | saddl2 v6.4s, v8.8h, v20.8h |
| 785 | |
| 786 | ld1 {v8.4s}, [x7], x6 //load from temp buffer 1 |
| 787 | |
| 788 | |
| 789 | st1 {v26.2s}, [x1], x3 // store row 0 |
| 790 | |
| 791 | smlal v18.4s, v30.4h, v22.4h |
| 792 | smlsl v18.4s, v28.4h, v24.4h |
| 793 | |
| 794 | |
| 795 | |
| 796 | smlal2 v6.4s, v30.8h, v22.8h |
| 797 | smlsl2 v6.4s, v28.8h, v24.8h |
| 798 | |
| 799 | sqrshrun v28.8b, v8.8h, #5 |
| 800 | |
| 801 | ext v3.8b, v0.8b , v1.8b , #3 |
| 802 | uaddl v8.8h, v0.8b, v5.8b |
| 803 | uaddl v2.8h, v2.8b, v3.8b |
| 804 | sqrshrun v18.4h, v18.4s, #10 |
| 805 | ext v4.8b, v0.8b , v1.8b , #4 |
| 806 | sqrshrun v19.4h, v6.4s, #10 |
| 807 | mla v8.8h, v2.8h , v22.8h |
| 808 | ext v1.8b, v0.8b , v1.8b , #1 |
| 809 | add v26.8h, v12.8h , v20.8h |
| 810 | uaddl v2.8h, v1.8b, v4.8b |
| 811 | |
| 812 | |
| 813 | uqxtn v18.8b, v18.8h |
| 814 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 815 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 816 | |
| 817 | add v30.8h, v14.8h , v16.8h |
| 818 | mls v8.8h, v2.8h , v24.8h |
| 819 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 6 load for horizontal filter |
| 820 | |
| 821 | urhadd v28.8b, v28.8b , v18.8b |
| 822 | |
| 823 | ext v5.8b, v0.8b , v1.8b , #5 |
| 824 | ext v2.8b, v0.8b , v1.8b , #2 |
| 825 | ext v3.8b, v0.8b , v1.8b , #3 |
| 826 | |
| 827 | st1 {v28.2s}, [x1], x3 // store row 1 |
| 828 | |
| 829 | uaddl v28.8h, v0.8b, v5.8b |
| 830 | |
| 831 | st1 {v8.4s}, [x9], x6 // store temp buffer x7 |
| 832 | |
| 833 | saddl v18.4s, v10.4h, v8.4h |
| 834 | saddl2 v6.4s, v10.8h, v8.8h |
| 835 | |
| 836 | ld1 {v10.4s}, [x7], x6 // load from temp buffer 2 |
| 837 | |
| 838 | smlal v18.4s, v30.4h, v22.4h |
| 839 | smlsl v18.4s, v26.4h, v24.4h |
| 840 | smlal2 v6.4s, v30.8h, v22.8h |
| 841 | smlsl2 v6.4s, v26.8h, v24.8h |
| 842 | |
| 843 | sqrshrun v26.8b, v10.8h, #5 |
| 844 | uaddl v2.8h, v2.8b, v3.8b |
| 845 | ext v4.8b, v0.8b , v1.8b , #4 |
| 846 | mla v28.8h, v2.8h , v22.8h |
| 847 | sqrshrun v18.4h, v18.4s, #10 |
| 848 | ext v1.8b, v0.8b , v1.8b , #1 |
| 849 | sqrshrun v19.4h, v6.4s, #10 |
| 850 | add v10.8h, v14.8h , v8.8h |
| 851 | uaddl v2.8h, v1.8b, v4.8b |
| 852 | add v30.8h, v16.8h , v20.8h |
| 853 | mls v28.8h, v2.8h , v24.8h |
| 854 | |
| 855 | uqxtn v27.8b, v18.8h |
| 856 | uqxtn v19.8b, v19.8h |
| 857 | |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 858 | mov v27.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 859 | |
| 860 | saddl v18.4s, v12.4h, v28.4h |
| 861 | saddl2 v6.4s, v12.8h, v28.8h |
| 862 | |
| 863 | urhadd v26.8b, v26.8b , v27.8b |
| 864 | |
| 865 | smlal v18.4s, v30.4h, v22.4h |
| 866 | smlsl v18.4s, v10.4h, v24.4h |
| 867 | smlal2 v6.4s, v30.8h, v22.8h |
| 868 | smlsl2 v6.4s, v10.8h, v24.8h |
| 869 | |
| 870 | st1 {v26.2s}, [x1], x3 // store row 2 |
| 871 | |
| 872 | st1 {v28.2s, v29.2s}, [x9] |
| 873 | |
| 874 | |
| 875 | sqrshrun v18.4h, v18.4s, #10 |
| 876 | mov v10.16b, v20.16b |
| 877 | mov v11.16b, v21.16b |
| 878 | ld1 {v30.4s}, [x7], x6 // load from temp buffer 3 |
| 879 | |
| 880 | sqrshrun v19.4h, v6.4s, #10 |
| 881 | subs x4, x4, #4 |
| 882 | |
| 883 | sqrshrun v30.8b, v30.8h, #5 |
| 884 | |
| 885 | |
| 886 | uqxtn v18.8b, v18.8h |
| 887 | uqxtn v19.8b, v19.8h |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 888 | mov v18.s[1], v19.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 889 | |
| 890 | |
| 891 | mov v12.16b, v8.16b |
| 892 | mov v13.16b, v9.16b |
| 893 | mov v6.16b, v14.16b |
| 894 | mov v7.16b, v15.16b |
| 895 | |
| 896 | urhadd v30.8b, v18.8b , v30.8b |
| 897 | mov v8.16b, v16.16b |
| 898 | mov v9.16b, v17.16b |
| 899 | mov v14.16b, v28.16b |
| 900 | mov v15.16b, v29.16b |
| 901 | st1 {v30.2s}, [x1], x3 // store row 3 |
| 902 | |
| 903 | bgt loop_8 //if height =8 or 16 loop |
| 904 | b end_func |
| 905 | |
| 906 | loop_4_start: |
| 907 | movi v22.8h, #20 // Filter coeff 20 into D22 |
| 908 | movi v23.8h, #5 // Filter coeff 5 into D23 |
| 909 | |
| 910 | ld1 {v0.2s, v1.2s}, [x0], x2 //row -2 load |
| 911 | ext v5.8b, v0.8b , v1.8b , #5 |
| 912 | uaddl v6.8h, v0.8b, v5.8b |
| 913 | ext v2.8b, v0.8b , v1.8b , #2 |
| 914 | ext v3.8b, v0.8b , v1.8b , #3 |
| 915 | uaddl v8.8h, v2.8b, v3.8b |
| 916 | ext v4.8b, v0.8b , v1.8b , #4 |
| 917 | mla v6.4h, v8.4h , v22.4h |
| 918 | ext v1.8b, v0.8b , v1.8b , #1 |
| 919 | uaddl v8.8h, v1.8b, v4.8b |
| 920 | ld1 {v0.2s, v1.2s}, [x0], x2 // row -1 load |
| 921 | mls v6.4h, v8.4h , v23.4h |
| 922 | ext v5.8b, v0.8b , v1.8b , #5 |
| 923 | uaddl v8.8h, v0.8b, v5.8b |
| 924 | ext v2.8b, v0.8b , v1.8b , #2 |
| 925 | ext v3.8b, v0.8b , v1.8b , #3 |
| 926 | uaddl v10.8h, v2.8b, v3.8b |
| 927 | |
| 928 | st1 {v6.2s}, [x9], x6 // store temp buffer 0 |
| 929 | |
| 930 | ext v4.8b, v0.8b , v1.8b , #4 |
| 931 | mla v8.4h, v10.4h , v22.4h |
| 932 | ext v1.8b, v0.8b , v1.8b , #1 |
| 933 | uaddl v10.8h, v1.8b, v4.8b |
| 934 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 0 load |
| 935 | mls v8.4h, v10.4h , v23.4h |
| 936 | ext v5.8b, v0.8b , v1.8b , #5 |
| 937 | uaddl v10.8h, v0.8b, v5.8b |
| 938 | ext v2.8b, v0.8b , v1.8b , #2 |
| 939 | ext v3.8b, v0.8b , v1.8b , #3 |
| 940 | uaddl v12.8h, v2.8b, v3.8b |
| 941 | |
| 942 | st1 {v8.2s}, [x9], x6 // store temp buffer 1 |
| 943 | |
| 944 | ext v4.8b, v0.8b , v1.8b , #4 |
| 945 | mla v10.4h, v12.4h , v22.4h |
| 946 | ext v1.8b, v0.8b , v1.8b , #1 |
| 947 | uaddl v12.8h, v1.8b, v4.8b |
| 948 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 1 load |
| 949 | mls v10.4h, v12.4h , v23.4h |
| 950 | ext v5.8b, v0.8b , v1.8b , #5 |
| 951 | uaddl v12.8h, v0.8b, v5.8b |
| 952 | ext v2.8b, v0.8b , v1.8b , #2 |
| 953 | ext v3.8b, v0.8b , v1.8b , #3 |
| 954 | uaddl v14.8h, v2.8b, v3.8b |
| 955 | |
| 956 | st1 {v10.2s}, [x9], x6 // store temp buffer 2 |
| 957 | |
| 958 | ext v4.8b, v0.8b , v1.8b , #4 |
| 959 | mla v12.4h, v14.4h , v22.4h |
| 960 | ext v1.8b, v0.8b , v1.8b , #1 |
| 961 | uaddl v14.8h, v1.8b, v4.8b |
| 962 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 2 load |
| 963 | mls v12.4h, v14.4h , v23.4h |
| 964 | ext v5.8b, v0.8b , v1.8b , #5 |
| 965 | uaddl v14.8h, v0.8b, v5.8b |
| 966 | ext v2.8b, v0.8b , v1.8b , #2 |
| 967 | ext v3.8b, v0.8b , v1.8b , #3 |
| 968 | uaddl v16.8h, v2.8b, v3.8b |
| 969 | ext v4.8b, v0.8b , v1.8b , #4 |
| 970 | mla v14.4h, v16.4h , v22.4h |
| 971 | ext v1.8b, v0.8b , v1.8b , #1 |
| 972 | uaddl v16.8h, v1.8b, v4.8b |
| 973 | |
| 974 | st1 {v12.2s}, [x9], x6 // store temp buffer 3 |
| 975 | |
| 976 | mls v14.4h, v16.4h , v23.4h |
| 977 | |
| 978 | loop_4: |
| 979 | |
| 980 | ld1 {v0.2s, v1.2s}, [x0], x2 // row 3 load |
| 981 | ext v5.8b, v0.8b , v1.8b , #5 |
| 982 | uaddl v16.8h, v0.8b, v5.8b |
| 983 | ext v2.8b, v0.8b , v1.8b , #2 |
| 984 | ext v3.8b, v0.8b , v1.8b , #3 |
| 985 | uaddl v18.8h, v2.8b, v3.8b |
| 986 | st1 {v14.2s}, [x9], x6 // store temp buffer 4 |
| 987 | ext v4.8b, v0.8b , v1.8b , #4 |
| 988 | mla v16.4h, v18.4h , v22.4h |
| 989 | ext v1.8b, v0.8b , v1.8b , #1 |
| 990 | uaddl v18.8h, v1.8b, v4.8b |
| 991 | add v2.4h, v10.4h , v12.4h |
| 992 | mls v16.4h, v18.4h , v23.4h |
| 993 | add v3.4h, v8.4h , v14.4h |
| 994 | ld1 {v18.2s, v19.2s}, [x0], x2 // row 4 load |
| 995 | ext v25.8b, v18.8b , v19.8b , #5 |
| 996 | uaddl v26.8h, v18.8b, v25.8b |
| 997 | ext v20.8b, v18.8b , v19.8b , #2 |
| 998 | |
| 999 | st1 {v16.2s}, [x9], x6 // store temp buffer 5 |
| 1000 | |
| 1001 | saddl v0.4s, v6.4h, v16.4h |
| 1002 | smlal v0.4s, v2.4h, v22.4h |
| 1003 | ext v21.8b, v18.8b , v19.8b , #3 |
| 1004 | uaddl v28.8h, v20.8b, v21.8b |
| 1005 | ext v24.8b, v18.8b , v19.8b , #4 |
| 1006 | smlsl v0.4s, v3.4h, v23.4h |
| 1007 | mla v26.4h, v28.4h , v22.4h |
| 1008 | ext v19.8b, v18.8b , v19.8b , #1 |
| 1009 | uaddl v28.8h, v19.8b, v24.8b |
| 1010 | add v2.4h, v12.4h , v14.4h |
| 1011 | mls v26.4h, v28.4h , v23.4h |
| 1012 | sqrshrun v0.4h, v0.4s, #0xa |
| 1013 | add v3.4h, v10.4h , v16.4h |
| 1014 | ld1 {v18.2s, v19.2s}, [x0], x2 // row 5 load |
| 1015 | ext v25.8b, v18.8b , v19.8b , #5 |
| 1016 | uqxtn v11.8b, v0.8h |
| 1017 | uaddl v28.8h, v18.8b, v25.8b |
| 1018 | |
| 1019 | st1 {v26.2s}, [x9], x6 // store temp buffer 6 |
| 1020 | |
| 1021 | //Q3 available here |
| 1022 | ld1 {v6.2s}, [x7], x6 // load from temp buffer 0 |
| 1023 | ld1 {v7.2s}, [x7], x6 // load from temp buffer 1 |
| 1024 | |
| 1025 | sqrshrun v9.8b, v6.8h, #5 |
| 1026 | sqrshrun v7.8b, v7.8h, #5 |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 1027 | mov v9.s[1], v7.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1028 | |
| 1029 | ext v20.8b, v18.8b , v19.8b , #2 |
| 1030 | |
| 1031 | saddl v0.4s, v8.4h, v26.4h |
| 1032 | smlal v0.4s, v2.4h, v22.4h |
| 1033 | ext v21.8b, v18.8b , v19.8b , #3 |
| 1034 | uaddl v6.8h, v20.8b, v21.8b |
| 1035 | ext v24.8b, v18.8b , v19.8b , #4 |
| 1036 | smlsl v0.4s, v3.4h, v23.4h |
| 1037 | mla v28.4h, v6.4h , v22.4h |
| 1038 | ext v19.8b, v18.8b , v19.8b , #1 |
| 1039 | uaddl v6.8h, v19.8b, v24.8b |
| 1040 | add v2.4h, v14.4h , v16.4h |
| 1041 | mls v28.4h, v6.4h , v23.4h |
| 1042 | sqrshrun v0.4h, v0.4s, #0xa |
| 1043 | add v3.4h, v12.4h , v26.4h |
| 1044 | ld1 {v18.2s, v19.2s}, [x0], x2 // row 6 load |
| 1045 | ext v25.8b, v18.8b , v19.8b , #5 |
| 1046 | uqxtn v13.8b, v0.8h |
| 1047 | |
| 1048 | trn1 v11.2s, v11.2s, v13.2s |
| 1049 | trn2 v13.2s, v11.2s, v13.2s |
| 1050 | saddl v0.4s, v10.4h, v28.4h |
| 1051 | urhadd v9.8b, v9.8b , v11.8b |
| 1052 | |
| 1053 | st1 {v28.2s}, [x9], x6 // store temp buffer 7 |
| 1054 | |
| 1055 | smlal v0.4s, v2.4h, v22.4h |
| 1056 | uaddl v30.8h, v18.8b, v25.8b |
| 1057 | |
| 1058 | st1 {v9.s}[0], [x1], x3 // store row 0 |
| 1059 | |
| 1060 | ext v20.8b, v18.8b , v19.8b , #2 |
| 1061 | |
| 1062 | st1 {v9.s}[1], [x1], x3 // store row 1 |
| 1063 | |
| 1064 | ext v21.8b, v18.8b , v19.8b , #3 |
| 1065 | smlsl v0.4s, v3.4h, v23.4h |
| 1066 | uaddl v8.8h, v20.8b, v21.8b |
| 1067 | ext v24.8b, v18.8b , v19.8b , #4 |
| 1068 | mla v30.4h, v8.4h , v22.4h |
| 1069 | ext v19.8b, v18.8b , v19.8b , #1 |
| 1070 | uaddl v8.8h, v19.8b, v24.8b |
| 1071 | sqrshrun v0.4h, v0.4s, #0xa |
| 1072 | add v2.4h, v16.4h , v26.4h |
| 1073 | mls v30.4h, v8.4h , v23.4h |
| 1074 | uqxtn v4.8b, v0.8h |
| 1075 | |
| 1076 | add v3.4h, v14.4h , v28.4h |
| 1077 | |
| 1078 | |
| 1079 | saddl v0.4s, v12.4h, v30.4h |
| 1080 | |
| 1081 | st1 {v30.2s}, [x9] |
| 1082 | |
| 1083 | smlal v0.4s, v2.4h, v22.4h |
| 1084 | |
| 1085 | ld1 {v8.2s}, [x7], x6 // load from temp buffer 2 |
| 1086 | ld1 {v9.2s}, [x7], x6 // load from temp buffer 3 |
| 1087 | smlsl v0.4s, v3.4h, v23.4h |
| 1088 | subs x4, x4, #4 |
| 1089 | |
| 1090 | sqrshrun v10.8b, v8.8h, #5 |
| 1091 | sqrshrun v9.8b, v9.8h, #5 |
Martin Storsjo | db02f57 | 2015-06-10 12:05:14 +0300 | [diff] [blame] | 1092 | mov v10.s[1], v9.s[0] |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1093 | |
| 1094 | mov v12.8b, v28.8b |
| 1095 | |
| 1096 | sqrshrun v0.4h, v0.4s, #0xa |
| 1097 | mov v6.8b, v14.8b |
| 1098 | mov v8.8b, v16.8b |
| 1099 | |
| 1100 | uqxtn v5.8b, v0.8h |
| 1101 | |
| 1102 | trn1 v4.2s, v4.2s, v5.2s |
| 1103 | trn2 v5.2s, v4.2s, v5.2s |
| 1104 | urhadd v4.8b, v4.8b , v10.8b |
| 1105 | mov v10.8b, v26.8b |
| 1106 | mov v14.8b, v30.8b |
| 1107 | |
| 1108 | st1 {v4.s}[0], [x1], x3 // store row 2 |
| 1109 | st1 {v4.s}[1], [x1], x3 // store row 3 |
| 1110 | |
| 1111 | bgt loop_4 |
| 1112 | |
| 1113 | end_func: |
Harish Mahendrakar | 25e8adb | 2015-04-20 15:33:05 +0530 | [diff] [blame] | 1114 | //Restoring registers from stack |
Hamsalekha S | 8d3d303 | 2015-03-13 21:24:58 +0530 | [diff] [blame] | 1115 | ldp x19, x20, [sp], #16 |
| 1116 | pop_v_regs |
| 1117 | ret |
| 1118 | |
| 1119 | |
| 1120 | |