XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-gemm/1x12-aarch64-neonfma-cortex-a53.S.in |
| 3 | // Generator: tools/xngen |
| 4 | // |
Frank Barchard | baa9ead | 2019-10-18 18:06:41 -0700 | [diff] [blame] | 5 | // Copyright 2019 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 9 | |
| 10 | #include <xnnpack/assembly.h> |
| 11 | |
| 12 | # void xnn_f32_gemminc_ukernel_1x12__aarch64_neonfma_cortex_a53( |
| 13 | # size_t mr, (x0) - unused. mr = 1 |
| 14 | # size_t nc, x1 |
| 15 | # size_t kc, x2 / x0 |
| 16 | # const uint8_t*restrict a, x3 |
| 17 | # size_t a_stride, (x4) - unused |
| 18 | # const void*restrict w, x5 |
| 19 | # uint8_t*restrict c, x6 |
| 20 | # size_t cm_stride, (x7) - unused |
| 21 | # size_t cn_stride, [sp] -> x14 |
| 22 | # const float*restrict acc, [sp + 8] -> x15 |
| 23 | # const union xnn_f32_output_params params[restrict static 1]) [sp + 16] -> x8 |
| 24 | |
| 25 | # d8-d15 need to be preserved if used. |
| 26 | # x19-30 need to be preserved if used. |
| 27 | |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 28 | # A pointer |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 29 | # x3 a0 |
| 30 | |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 31 | # C pointer |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 32 | # x6 c0 |
| 33 | |
| 34 | # Vector register usage and GPR shadows |
| 35 | # a0 v0 first set of A |
| 36 | # a0 v1 second set of A |
| 37 | # B v2 v3 v4 x7 x10 x16 first set of B |
| 38 | # B v5 v6 v7 x17 x18 x9 |
| 39 | # B v23 v24 v25 x7 x10 x16 second set of B (same x as first set) |
| 40 | # B v17 v18 v19 x17 x18 x9 |
| 41 | # C v20 v21 v22 |
| 42 | |
| 43 | BEGIN_FUNCTION xnn_f32_gemminc_ukernel_1x12__aarch64_neonfma_cortex_a53 |
| 44 | |
| 45 | # Load cn_stride, acc |
| 46 | LDP x14, x15, [sp] |
| 47 | # Load params pointer |
| 48 | LDR x8, [sp, 16] |
| 49 | |
| 50 | # Load clamping_params values |
| 51 | LD2R {v30.4s, v31.4s}, [x8] |
| 52 | |
| 53 | 0: |
| 54 | # Load initial accumulators |
| 55 | LD1 {v20.16b, v21.16b, v22.16b}, [x15], 48 |
| 56 | |
| 57 | PRFM PLDL1KEEP, [x5] |
| 58 | PRFM PLDL1KEEP, [x5, 64] |
| 59 | PRFM PLDL1KEEP, [x5, 128] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 60 | |
| 61 | # Is there at least 4 floats (16 bytes) for prologue + epilogue? |
| 62 | SUBS x0, x2, 16 // k = kc - 16 |
Haibo Huang | 016db6e | 2020-02-12 19:44:10 +0000 | [diff] [blame^] | 63 | B.LO 3f |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 64 | |
| 65 | # Prologue - loads for first group of 6 fma |
| 66 | |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 67 | # Read first block of 1 A. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 68 | LDR d0, [x3], 8 // a0 |
| 69 | |
| 70 | LDR d2, [x5] // vb0x0123 |
| 71 | LDR x7, [x5, 8] |
| 72 | |
| 73 | LDR d3, [x5, 16] // vb0x4567 |
| 74 | LDR x10, [x5, 24] |
| 75 | |
| 76 | LDR d4, [x5, 32] // vb0x89AB |
| 77 | LDR x16, [x5, 40] |
| 78 | |
| 79 | LDR d5, [x5, 48] // vb1x0123 |
| 80 | LDR x17, [x5, 56] |
| 81 | |
| 82 | LDR d6, [x5, 64] // vb1x4567 |
| 83 | LDR x18, [x5, 72] |
| 84 | |
| 85 | LDR d7, [x5, 80] // vb1x89AB |
| 86 | LDR x9, [x5, 88] |
| 87 | INS v2.d[1], x7 |
| 88 | ADD x5, x5, 96 |
| 89 | |
| 90 | # Is there at least 4 floats (16 bytes) for main loop? |
| 91 | SUBS x0, x0, 16 |
| 92 | B.LO 2f |
| 93 | |
| 94 | # Main loop - 4 floats of A (16 bytes) |
| 95 | 1: |
| 96 | # First group of 6 fma. |
| 97 | # A is loaded for 2nd group into v1 |
| 98 | |
| 99 | # BLOCK 0 |
| 100 | LDR d1, [x3], 8 // a0 |
| 101 | INS v3.d[1], x10 |
| 102 | FMLA v20.4s, v2.4s, v0.s[0] |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 103 | PRFM PLDL1KEEP, [x5, 96] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 104 | |
| 105 | # BLOCK 1 |
| 106 | INS v4.d[1], x16 |
| 107 | FMLA v21.4s, v3.4s, v0.s[0] |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 108 | PRFM PLDL1KEEP, [x5, 128] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 109 | |
| 110 | # BLOCK 2 |
| 111 | LDR d23, [x5] // vb0x0123 |
| 112 | INS v5.d[1], x17 |
| 113 | LDR x7, [x5, 8] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 114 | FMLA v22.4s, v4.4s, v0.s[0] |
| 115 | |
| 116 | # BLOCK 3 |
| 117 | LDR d24, [x5, 16] // vb0x4567 |
| 118 | INS v6.d[1], x18 |
| 119 | LDR x10, [x5, 24] |
| 120 | |
| 121 | # BLOCK 4 |
| 122 | LDR d25, [x5, 32] // vb0x89AB |
| 123 | INS v7.d[1], x9 |
| 124 | FMLA v20.4s, v5.4s, v0.s[1] |
| 125 | LDR x16, [x5, 40] |
| 126 | |
| 127 | # BLOCK 5 |
| 128 | LDR d17, [x5, 48] // vb1x0123 |
| 129 | LDR x17, [x5, 56] |
| 130 | FMLA v21.4s, v6.4s, v0.s[1] |
| 131 | |
| 132 | # BLOCK 6 |
| 133 | LDR d18, [x5, 64] // vb1x4567 |
| 134 | LDR x18, [x5, 72] |
| 135 | FMLA v22.4s, v7.4s, v0.s[1] |
| 136 | |
| 137 | # BLOCK 7 |
| 138 | LDR d19, [x5, 80] // vb1x89AB |
| 139 | INS v23.d[1], x7 // v23 was loaded in block 2 |
| 140 | LDR x9, [x5, 88] |
| 141 | |
| 142 | # Second group of 6 fma. |
| 143 | # A is loaded for 1st group into v0 |
| 144 | |
| 145 | # BLOCK 0 |
| 146 | LDR d0, [x3], 8 // a0 |
| 147 | INS v24.d[1], x10 |
| 148 | FMLA v20.4s, v23.4s, v1.s[0] |
| 149 | |
| 150 | # BLOCK 1 |
| 151 | INS v25.d[1], x16 |
| 152 | FMLA v21.4s, v24.4s, v1.s[0] |
| 153 | |
| 154 | # BLOCK 2 |
| 155 | LDR d2, [x5, 96] // vb0x0123 |
| 156 | INS v17.d[1], x17 |
| 157 | LDR x7, [x5, 104] |
| 158 | FMLA v22.4s, v25.4s, v1.s[0] |
| 159 | |
| 160 | # BLOCK 3 |
| 161 | LDR d3, [x5, 112] // vb0x4567 |
| 162 | INS v18.d[1], x18 |
| 163 | LDR x10, [x5, 120] |
| 164 | |
| 165 | # BLOCK 4 |
| 166 | LDR d4, [x5, 128] // vb0x89AB |
| 167 | INS v19.d[1], x9 |
| 168 | FMLA v20.4s, v17.4s, v1.s[1] |
| 169 | LDR x16, [x5, 136] |
| 170 | |
| 171 | # BLOCK 5 |
| 172 | LDR d5, [x5, 144] // vb1x0123 |
| 173 | LDR x17, [x5, 152] |
| 174 | FMLA v21.4s, v18.4s, v1.s[1] |
| 175 | |
| 176 | # BLOCK 6 |
| 177 | LDR d6, [x5, 160] // vb1x4567 |
| 178 | LDR x18, [x5, 168] |
| 179 | SUBS x0, x0, 16 |
| 180 | FMLA v22.4s, v19.4s, v1.s[1] |
| 181 | |
| 182 | # BLOCK 7 |
| 183 | LDR d7, [x5, 176] // vb1x89AB |
| 184 | INS v2.d[1], x7 |
| 185 | LDR x9, [x5, 184] |
| 186 | ADD x5, x5, 192 |
| 187 | B.HS 1b |
| 188 | |
| 189 | # Epilogue |
| 190 | # First block same as main loop. Second block has no loads. |
| 191 | 2: |
| 192 | # BLOCK 0 |
| 193 | LDR d1, [x3], 8 // a0 |
| 194 | INS v3.d[1], x10 |
| 195 | FMLA v20.4s, v2.4s, v0.s[0] |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 196 | PRFM PLDL1KEEP, [x5, 96] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 197 | |
| 198 | # BLOCK 1 |
| 199 | INS v4.d[1], x16 |
| 200 | FMLA v21.4s, v3.4s, v0.s[0] |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 201 | PRFM PLDL1KEEP, [x5, 128] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 202 | |
| 203 | # BLOCK 2 |
| 204 | LDR d23, [x5] // vb0x0123 |
| 205 | INS v5.d[1], x17 |
| 206 | LDR x7, [x5, 8] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 207 | FMLA v22.4s, v4.4s, v0.s[0] |
| 208 | |
| 209 | # BLOCK 3 |
| 210 | LDR d24, [x5, 16] // vb0x4567 |
| 211 | INS v6.d[1], x18 |
| 212 | LDR x10, [x5, 24] |
| 213 | |
| 214 | # BLOCK 4 |
| 215 | LDR d25, [x5, 32] // vb0x89AB |
| 216 | INS v7.d[1], x9 |
| 217 | FMLA v20.4s, v5.4s, v0.s[1] |
| 218 | LDR x16, [x5, 40] |
| 219 | |
| 220 | # BLOCK 5 |
| 221 | LDR d17, [x5, 48] // vb1x0123 |
| 222 | LDR x17, [x5, 56] |
| 223 | FMLA v21.4s, v6.4s, v0.s[1] |
| 224 | |
| 225 | # BLOCK 6 |
| 226 | LDR d18, [x5, 64] // vb1x4567 |
| 227 | LDR x18, [x5, 72] |
| 228 | FMLA v22.4s, v7.4s, v0.s[1] |
| 229 | |
| 230 | # BLOCK 7 |
| 231 | LDR d19, [x5, 80] // vb1x89AB |
| 232 | INS v23.d[1], x7 // v23 was loaded in block 2 |
| 233 | LDR x9, [x5, 88] |
| 234 | ADD x5, x5, 96 |
| 235 | |
| 236 | # Second group of 6 fma. 8 blocks of 4 cycles. |
| 237 | # Epilogue version does no loads |
| 238 | |
| 239 | # BLOCK 0 |
| 240 | INS v24.d[1], x10 |
| 241 | FMLA v20.4s, v23.4s, v1.s[0] |
| 242 | |
| 243 | # BLOCK 1 |
| 244 | INS v25.d[1], x16 |
| 245 | FMLA v21.4s, v24.4s, v1.s[0] |
| 246 | |
| 247 | # BLOCK 2 |
| 248 | INS v17.d[1], x17 |
| 249 | FMLA v22.4s, v25.4s, v1.s[0] |
| 250 | |
| 251 | # BLOCK 3 |
| 252 | INS v18.d[1], x18 |
| 253 | |
| 254 | # BLOCK 4 |
| 255 | INS v19.d[1], x9 |
| 256 | FMLA v20.4s, v17.4s, v1.s[1] |
| 257 | |
| 258 | # BLOCK 5 |
| 259 | FMLA v21.4s, v18.4s, v1.s[1] |
| 260 | |
| 261 | # BLOCK 6 |
| 262 | FMLA v22.4s, v19.4s, v1.s[1] |
| 263 | |
| 264 | # BLOCK 7 |
Haibo Huang | 016db6e | 2020-02-12 19:44:10 +0000 | [diff] [blame^] | 265 | 3: |
| 266 | # Is there a remainder?- 2 floats of A (8 bytes) |
| 267 | TBNZ x0, 3, 5f |
| 268 | # Is there a remainder?- 1 floats of A (4 bytes) |
| 269 | TBNZ x0, 2, 6f |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 270 | |
| 271 | 4: |
| 272 | # Clamp |
| 273 | FMIN v20.4s, v20.4s, v30.4s |
Frank Barchard | 73ccfb4 | 2019-12-11 22:15:22 -0800 | [diff] [blame] | 274 | SUBS x1, x1, 12 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 275 | FMIN v21.4s, v21.4s, v30.4s |
| 276 | FMIN v22.4s, v22.4s, v30.4s |
| 277 | FMAX v20.4s, v20.4s, v31.4s |
| 278 | FMAX v21.4s, v21.4s, v31.4s |
| 279 | FMAX v22.4s, v22.4s, v31.4s |
| 280 | |
| 281 | # Store full 1 x 12 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 282 | B.LO 7f |
| 283 | |
| 284 | ST1 {v20.16b, v21.16b, v22.16b}, [x6], x14 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 285 | SUB x3, x3, x2 // a0 -= kc |
Haibo Huang | 016db6e | 2020-02-12 19:44:10 +0000 | [diff] [blame^] | 286 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 287 | B.HI 0b |
Haibo Huang | 016db6e | 2020-02-12 19:44:10 +0000 | [diff] [blame^] | 288 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 289 | RET |
| 290 | |
| 291 | 5: |
| 292 | # Remainder - 2 floats of A (8 bytes) |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 293 | # Read first block of 1 A. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 294 | LDR d0, [x3], 8 // a0 |
| 295 | LD1 {v2.16b, v3.16b, v4.16b}, [x5], 48 |
| 296 | LD1 {v5.16b, v6.16b, v7.16b}, [x5], 48 |
| 297 | |
| 298 | # First block of 3 B |
| 299 | FMLA v20.4s, v2.4s, v0.s[0] |
| 300 | FMLA v21.4s, v3.4s, v0.s[0] |
| 301 | FMLA v22.4s, v4.4s, v0.s[0] |
| 302 | |
| 303 | # Second block of 3 B |
| 304 | FMLA v20.4s, v5.4s, v0.s[1] |
| 305 | FMLA v21.4s, v6.4s, v0.s[1] |
| 306 | FMLA v22.4s, v7.4s, v0.s[1] |
| 307 | |
| 308 | TBZ x0, 2, 4b |
| 309 | 6: |
| 310 | # Remainder - 1 float of A (4 bytes) |
| 311 | LDR s0, [x3], 4 // a0 |
| 312 | LD1 {v2.16b, v3.16b, v4.16b}, [x5], 48 |
| 313 | |
| 314 | FMLA v20.4s, v2.4s, v0.s[0] |
| 315 | FMLA v21.4s, v3.4s, v0.s[0] |
| 316 | FMLA v22.4s, v4.4s, v0.s[0] |
| 317 | B 4b |
| 318 | |
| 319 | 7: |
Frank Barchard | 6383f49 | 2019-12-04 22:33:49 -0800 | [diff] [blame] | 320 | ADD x1, x1, 12 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 321 | # Store odd channels |
| 322 | TBZ x1, 3, 8f |
Frank Barchard | 5abe43c | 2019-11-13 16:02:01 -0800 | [diff] [blame] | 323 | STP q20, q21, [x6], 32 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 324 | MOV v20.16b, v22.16b |
| 325 | |
| 326 | 8: |
| 327 | TBZ x1, 2, 9f |
| 328 | STR q20, [x6], 16 |
| 329 | MOV v20.16b, v21.16b |
| 330 | |
| 331 | 9: |
| 332 | TBZ x1, 1, 10f |
| 333 | STR d20, [x6], 8 |
| 334 | DUP d20, v20.d[1] |
| 335 | |
| 336 | 10: |
| 337 | TBZ x1, 0, 11f |
| 338 | STR s20, [x6] |
| 339 | 11: |
| 340 | RET |
| 341 | |
| 342 | END_FUNCTION xnn_f32_gemminc_ukernel_1x12__aarch64_neonfma_cortex_a53 |
| 343 | |
| 344 | #ifdef __ELF__ |
| 345 | .section ".note.GNU-stack","",%progbits |
| 346 | #endif |