XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-gemm/1x8-aarch64-neonfma-cortex-a75.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_1x8__aarch64_neonfma_cortex_a75( |
| 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 |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 23 | # const union xnn_f32_minmax_params params[restrict static 1]) [sp + 16] -> x8 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 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 | # Clamp v4 v5 |
| 35 | |
| 36 | BEGIN_FUNCTION xnn_f32_gemminc_ukernel_1x8__aarch64_neonfma_cortex_a75 |
| 37 | |
| 38 | # Load cn_stride, acc |
| 39 | LDP x14, x15, [sp] |
| 40 | # Load params pointer |
| 41 | LDR x8, [sp, 16] |
| 42 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 43 | # Load min/max values |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 44 | LD2R {v4.4s, v5.4s}, [x8] |
| 45 | 0: |
| 46 | # Load initial accumulators |
| 47 | LDP q16, q17, [x15], 32 |
| 48 | |
| 49 | MOVI v18.4s, 0 // second set of C for pipelining FMLA |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 50 | PRFM PLDL1KEEP, [x5] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 51 | MOVI v19.4s, 0 |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 52 | PRFM PLDL1KEEP, [x5, 64] |
| 53 | PRFM PLDL1KEEP, [x5, 128] |
| 54 | PRFM PLDL1KEEP, [x5, 192] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 55 | |
| 56 | # Is there at least 8 floats (32 bytes) for prologue + epilogue? |
| 57 | SUBS x0, x2, 32 // k = kc - 32 |
| 58 | |
| 59 | B.LO 3f |
| 60 | |
| 61 | # 16 prologue |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 62 | # Read first block of 1 A and B. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 63 | LDP q20, q21, [x5], 32 |
| 64 | LDP q22, q23, [x5], 32 |
| 65 | LDP q24, q25, [x5], 32 |
| 66 | LDP q26, q27, [x5], 32 |
| 67 | LDR q0, [x3], 16 |
| 68 | |
| 69 | # Is there at least 32. yes do main loop |
| 70 | SUBS x0, x0, 32 |
| 71 | B.LO 2f |
| 72 | |
| 73 | # Main loop - 8 floats of A (32 bytes) |
| 74 | 1: |
| 75 | # First block of 4. FMA for first 4, loads for 2nd block of 4. |
| 76 | FMLA v16.4s, v20.4s, v0.s[0] |
| 77 | LDR q1, [x3], 16 |
| 78 | FMLA v17.4s, v21.4s, v0.s[0] |
| 79 | LDP q20, q21, [x5], 32 |
| 80 | FMLA v18.4s, v22.4s, v0.s[1] |
Frank Barchard | 1b0421b | 2019-10-03 16:35:50 -0700 | [diff] [blame] | 81 | PRFM PLDL1KEEP, [x5, 96] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 82 | FMLA v19.4s, v23.4s, v0.s[1] |
| 83 | LDP q22, q23, [x5], 32 |
| 84 | FMLA v16.4s, v24.4s, v0.s[2] |
| 85 | FMLA v17.4s, v25.4s, v0.s[2] |
| 86 | LDP q24, q25, [x5], 32 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 87 | FMLA v18.4s, v26.4s, v0.s[3] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 88 | FMLA v19.4s, v27.4s, v0.s[3] |
| 89 | LDP q26, q27, [x5], 32 |
| 90 | |
| 91 | # Second block of 4. FMA for second 4, loads for 1st block of 4. |
| 92 | FMLA v16.4s, v20.4s, v1.s[0] |
| 93 | LDR q0, [x3], 16 |
| 94 | FMLA v17.4s, v21.4s, v1.s[0] |
| 95 | LDP q20, q21, [x5], 32 |
| 96 | FMLA v18.4s, v22.4s, v1.s[1] |
| 97 | FMLA v19.4s, v23.4s, v1.s[1] |
| 98 | LDP q22, q23, [x5], 32 |
| 99 | FMLA v16.4s, v24.4s, v1.s[2] |
| 100 | FMLA v17.4s, v25.4s, v1.s[2] |
| 101 | LDP q24, q25, [x5], 32 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 102 | FMLA v18.4s, v26.4s, v1.s[3] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 103 | FMLA v19.4s, v27.4s, v1.s[3] |
| 104 | SUBS x0, x0, 32 |
| 105 | LDP q26, q27, [x5], 32 |
| 106 | B.HS 1b |
| 107 | |
| 108 | 2: |
| 109 | # Epilogue |
| 110 | |
| 111 | # First block of 4. FMA for first 4, loads for 2nd block of 4. |
| 112 | FMLA v16.4s, v20.4s, v0.s[0] |
| 113 | LDR q1, [x3], 16 |
| 114 | FMLA v17.4s, v21.4s, v0.s[0] |
| 115 | LDP q20, q21, [x5], 32 |
| 116 | FMLA v18.4s, v22.4s, v0.s[1] |
| 117 | FMLA v19.4s, v23.4s, v0.s[1] |
| 118 | LDP q22, q23, [x5], 32 |
| 119 | FMLA v16.4s, v24.4s, v0.s[2] |
| 120 | FMLA v17.4s, v25.4s, v0.s[2] |
| 121 | LDP q24, q25, [x5], 32 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 122 | FMLA v18.4s, v26.4s, v0.s[3] |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 123 | FMLA v19.4s, v27.4s, v0.s[3] |
| 124 | LDP q26, q27, [x5], 32 |
| 125 | |
| 126 | # Second block of 4. no loads |
| 127 | FMLA v16.4s, v20.4s, v1.s[0] |
| 128 | FMLA v17.4s, v21.4s, v1.s[0] |
| 129 | FMLA v18.4s, v22.4s, v1.s[1] |
| 130 | FMLA v19.4s, v23.4s, v1.s[1] |
| 131 | FMLA v16.4s, v24.4s, v1.s[2] |
| 132 | FMLA v17.4s, v25.4s, v1.s[2] |
| 133 | FMLA v18.4s, v26.4s, v1.s[3] |
| 134 | FMLA v19.4s, v27.4s, v1.s[3] |
| 135 | |
| 136 | 3: |
| 137 | # Is there a remainder?- 4 floats of A (16 bytes) |
| 138 | TBNZ x0, 4, 5f |
| 139 | # Is there a remainder?- 2 floats of A (8 bytes) |
| 140 | TBNZ x0, 3, 6f |
| 141 | # Is there a remainder?- 1 floats of A (4 bytes) |
| 142 | TBNZ x0, 2, 8f |
| 143 | |
| 144 | 4: |
| 145 | FADD v16.4s, v16.4s, v18.4s |
Frank Barchard | 73ccfb4 | 2019-12-11 22:15:22 -0800 | [diff] [blame] | 146 | SUBS x1, x1, 8 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 147 | FADD v17.4s, v17.4s, v19.4s |
| 148 | |
| 149 | # Clamp |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 150 | FMAX v16.4s, v16.4s, v4.4s |
| 151 | FMAX v17.4s, v17.4s, v4.4s |
| 152 | FMIN v16.4s, v16.4s, v5.4s |
| 153 | FMIN v17.4s, v17.4s, v5.4s |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 154 | |
| 155 | # Store full 1 x 8 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 156 | B.LO 9f |
| 157 | |
| 158 | STP q16, q17, [x6] |
| 159 | ADD x6, x6, x14 |
| 160 | |
| 161 | SUB x3, x3, x2 // a0 -= kc |
| 162 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 163 | B.HI 0b |
| 164 | |
| 165 | RET |
| 166 | |
| 167 | 5: |
| 168 | # Remainder- 4 floats of A (16 bytes) |
| 169 | LDP q20, q21, [x5], 32 |
| 170 | LDR q0, [x3], 16 |
| 171 | FMLA v16.4s, v20.4s, v0.s[0] |
| 172 | FMLA v17.4s, v21.4s, v0.s[0] |
| 173 | LDP q22, q23, [x5], 32 |
| 174 | LDP q24, q25, [x5], 32 |
| 175 | LDP q26, q27, [x5], 32 |
| 176 | FMLA v18.4s, v22.4s, v0.s[1] |
| 177 | FMLA v19.4s, v23.4s, v0.s[1] |
| 178 | FMLA v16.4s, v24.4s, v0.s[2] |
| 179 | FMLA v17.4s, v25.4s, v0.s[2] |
| 180 | FMLA v18.4s, v26.4s, v0.s[3] |
| 181 | FMLA v19.4s, v27.4s, v0.s[3] |
| 182 | |
| 183 | TBZ x0, 3, 7f |
| 184 | 6: |
| 185 | # Remainder- 2 floats of A (8 bytes) |
| 186 | LDP q20, q21, [x5], 32 |
| 187 | LDR d0, [x3], 8 |
| 188 | FMLA v16.4s, v20.4s, v0.s[0] |
| 189 | FMLA v17.4s, v21.4s, v0.s[0] |
| 190 | LDP q22, q23, [x5], 32 |
| 191 | FMLA v18.4s, v22.4s, v0.s[1] |
| 192 | FMLA v19.4s, v23.4s, v0.s[1] |
| 193 | 7: |
| 194 | TBZ x0, 2, 4b |
| 195 | 8: |
| 196 | # Remainder- 1 float of A (4 bytes) |
| 197 | LDP q20, q21, [x5], 32 |
| 198 | LDR s0, [x3], 4 |
| 199 | FMLA v16.4s, v20.4s, v0.s[0] |
| 200 | FMLA v17.4s, v21.4s, v0.s[0] |
| 201 | B 4b |
| 202 | |
| 203 | # Store odd channels |
| 204 | 9: |
| 205 | TBZ x1, 2, 10f |
| 206 | STR q16, [x6], 16 |
| 207 | MOV v16.16b, v17.16b |
| 208 | |
| 209 | 10: |
| 210 | TBZ x1, 1, 11f |
| 211 | STR d16, [x6], 8 |
| 212 | DUP d16, v16.d[1] |
| 213 | |
| 214 | 11: |
| 215 | TBZ x1, 0, 12f |
| 216 | STR s16, [x6] |
| 217 | 12: |
| 218 | RET |
| 219 | |
| 220 | END_FUNCTION xnn_f32_gemminc_ukernel_1x8__aarch64_neonfma_cortex_a75 |
| 221 | |
| 222 | #ifdef __ELF__ |
| 223 | .section ".note.GNU-stack","",%progbits |
| 224 | #endif |