XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
| 2 | // Template: src/f32-gemm/4x8-aarch64-neonfma-ld64.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_4x8__aarch64_neonfma_ld64( |
| 13 | # size_t mr, x0 |
| 14 | # size_t nc, x1 |
| 15 | # size_t kc, x2 / x0 |
| 16 | # const uint8_t*restrict a, x3 |
| 17 | # size_t a_stride, x4 |
| 18 | # const void*restrict w, x5 |
| 19 | # uint8_t*restrict c, x6 |
| 20 | # size_t cm_stride, x7 |
| 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 | |
| 28 | # A pointers |
| 29 | # x3 a0 |
| 30 | # x11 a1 |
| 31 | # x12 a2 |
| 32 | # x4 a3 / a_stride |
| 33 | |
| 34 | # C pointers |
| 35 | # x6 c0 |
| 36 | # x9 c1 |
| 37 | # x10 c2 |
| 38 | # x7 c3 / cm_stride |
| 39 | |
| 40 | BEGIN_FUNCTION xnn_f32_gemminc_ukernel_4x8__aarch64_neonfma_ld64 |
| 41 | |
| 42 | # Load cn_stride, acc |
| 43 | LDP x14, x15, [sp] |
| 44 | # Load params pointer |
| 45 | LDR x8, [sp, 16] |
| 46 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 47 | # Load min/max values |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 48 | LD2R {v4.4s, v5.4s}, [x8] |
| 49 | |
| 50 | # Clamp A and C pointers |
Frank Barchard | 684bbb0 | 2019-11-16 14:14:42 -0800 | [diff] [blame] | 51 | CMP x0, 2 // if mr < 2 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 52 | ADD x11, x3, x4 // a1 = a0 + a_stride |
| 53 | ADD x9, x6, x7 // c1 = c0 + cm_stride |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 54 | CSEL x11, x3, x11, LO // a1 = a0 |
| 55 | CSEL x9, x6, x9, LO // c1 = c0 |
| 56 | |
| 57 | ADD x12, x11, x4 // a2 = a1 + a_stride |
| 58 | ADD x10, x9, x7 // c2 = c1 + cm_stride |
| 59 | // if mr <= 2 |
| 60 | CSEL x12, x11, x12, LS // a2 = a1 |
| 61 | CSEL x10, x9, x10, LS // c2 = c1 |
| 62 | |
Frank Barchard | 684bbb0 | 2019-11-16 14:14:42 -0800 | [diff] [blame] | 63 | CMP x0, 4 // if mr < 4 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 64 | ADD x4, x12, x4 // a3 = a2 + a_stride |
| 65 | ADD x7, x10, x7 // c3 = c2 + cm_stride |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 66 | CSEL x4, x12, x4, LO // a3 = a2 |
| 67 | CSEL x7, x10, x7, LO // c3 = c2 |
| 68 | |
| 69 | 0: |
| 70 | # Load initial accumulators |
| 71 | LDP q16, q17, [x15], 32 |
| 72 | LDP q18, q19, [x15], 32 |
| 73 | LDP q28, q29, [x15], 32 |
| 74 | LDP q30, q31, [x15], 32 |
| 75 | |
| 76 | # Is there at least 2 floats (8 bytes)? |
| 77 | SUBS x0, x2, 8 // k = kc - 8 |
Frank Barchard | 8155854 | 2020-02-11 16:35:26 -0800 | [diff] [blame] | 78 | B.LO 5f |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 79 | |
| 80 | # Main loop - 2 floats of A (8 bytes) |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 81 | 1: |
| 82 | LDR d0, [x3], 8 |
| 83 | LDP q20, q21, [x5], 32 |
| 84 | LDR d1, [x11], 8 |
| 85 | LDR d2, [x12], 8 |
| 86 | LDR d3, [x4], 8 |
| 87 | FMLA v16.4s, v20.4s, v0.s[0] |
| 88 | FMLA v17.4s, v21.4s, v0.s[0] |
| 89 | FMLA v18.4s, v20.4s, v1.s[0] |
| 90 | FMLA v19.4s, v21.4s, v1.s[0] |
| 91 | LDP q22, q23, [x5], 32 |
| 92 | FMLA v28.4s, v20.4s, v2.s[0] |
| 93 | FMLA v29.4s, v21.4s, v2.s[0] |
| 94 | FMLA v30.4s, v20.4s, v3.s[0] |
| 95 | FMLA v31.4s, v21.4s, v3.s[0] |
| 96 | FMLA v16.4s, v22.4s, v0.s[1] |
| 97 | FMLA v17.4s, v23.4s, v0.s[1] |
| 98 | FMLA v18.4s, v22.4s, v1.s[1] |
| 99 | FMLA v19.4s, v23.4s, v1.s[1] |
| 100 | FMLA v28.4s, v22.4s, v2.s[1] |
| 101 | FMLA v29.4s, v23.4s, v2.s[1] |
| 102 | SUBS x0, x0, 8 |
| 103 | FMLA v30.4s, v22.4s, v3.s[1] |
| 104 | FMLA v31.4s, v23.4s, v3.s[1] |
| 105 | B.HS 1b |
Frank Barchard | 79ade18 | 2020-02-11 11:44:23 -0800 | [diff] [blame] | 106 | |
Frank Barchard | 8155854 | 2020-02-11 16:35:26 -0800 | [diff] [blame] | 107 | # Is there a remainder?- 1 floats of A (4 bytes) |
| 108 | TBNZ x0, 2, 5f |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 109 | |
Frank Barchard | 8155854 | 2020-02-11 16:35:26 -0800 | [diff] [blame] | 110 | 4: |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 111 | # Clamp |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 112 | FMAX v16.4s, v16.4s, v4.4s |
Frank Barchard | 73ccfb4 | 2019-12-11 22:15:22 -0800 | [diff] [blame] | 113 | SUBS x1, x1, 8 |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 114 | FMAX v17.4s, v17.4s, v4.4s |
| 115 | FMAX v18.4s, v18.4s, v4.4s |
| 116 | FMAX v19.4s, v19.4s, v4.4s |
| 117 | FMAX v28.4s, v28.4s, v4.4s |
| 118 | FMAX v29.4s, v29.4s, v4.4s |
| 119 | FMAX v30.4s, v30.4s, v4.4s |
| 120 | FMAX v31.4s, v31.4s, v4.4s |
| 121 | FMIN v16.4s, v16.4s, v5.4s |
| 122 | FMIN v17.4s, v17.4s, v5.4s |
| 123 | FMIN v18.4s, v18.4s, v5.4s |
| 124 | FMIN v19.4s, v19.4s, v5.4s |
| 125 | FMIN v28.4s, v28.4s, v5.4s |
| 126 | FMIN v29.4s, v29.4s, v5.4s |
| 127 | FMIN v30.4s, v30.4s, v5.4s |
| 128 | FMIN v31.4s, v31.4s, v5.4s |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 129 | |
| 130 | # Store full 4 x 8 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 131 | B.LO 7f |
| 132 | |
Frank Barchard | e67b783 | 2019-11-12 12:48:40 -0800 | [diff] [blame] | 133 | ST1 {v30.16b, v31.16b}, [x7], x14 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 134 | SUB x3, x3, x2 // a0 -= kc |
Frank Barchard | e67b783 | 2019-11-12 12:48:40 -0800 | [diff] [blame] | 135 | ST1 {v28.16b, v29.16b}, [x10], x14 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 136 | SUB x11, x11, x2 // a1 -= kc |
Frank Barchard | e67b783 | 2019-11-12 12:48:40 -0800 | [diff] [blame] | 137 | ST1 {v18.16b, v19.16b}, [x9], x14 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 138 | SUB x12, x12, x2 // a2 -= kc |
Frank Barchard | e67b783 | 2019-11-12 12:48:40 -0800 | [diff] [blame] | 139 | ST1 {v16.16b, v17.16b}, [x6], x14 |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 140 | SUB x4, x4, x2 // a3 -= kc |
| 141 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 142 | B.HI 0b |
| 143 | |
| 144 | RET |
| 145 | |
Frank Barchard | 8155854 | 2020-02-11 16:35:26 -0800 | [diff] [blame] | 146 | # Remainder- 1 float of A (4 bytes) |
| 147 | 5: |
| 148 | LDR s0, [x3], 4 |
| 149 | LDP q20, q21, [x5], 32 |
| 150 | LDR s1, [x11], 4 |
| 151 | LDR s2, [x12], 4 |
| 152 | LDR s3 , [x4], 4 |
| 153 | FMLA v16.4s, v20.4s, v0.s[0] |
| 154 | FMLA v17.4s, v21.4s, v0.s[0] |
| 155 | FMLA v18.4s, v20.4s, v1.s[0] |
| 156 | FMLA v19.4s, v21.4s, v1.s[0] |
| 157 | FMLA v28.4s, v20.4s, v2.s[0] |
| 158 | FMLA v29.4s, v21.4s, v2.s[0] |
| 159 | FMLA v30.4s, v20.4s, v3.s[0] |
| 160 | FMLA v31.4s, v21.4s, v3.s[0] |
| 161 | B 4b |
| 162 | |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 163 | # Store odd width |
| 164 | 7: |
| 165 | TBZ x1, 2, 8f |
| 166 | STR q30, [x7], 16 |
| 167 | MOV v30.16b, v31.16b |
| 168 | STR q28, [x10], 16 |
| 169 | MOV v28.16b, v29.16b |
| 170 | STR q18, [x9], 16 |
| 171 | MOV v18.16b, v19.16b |
| 172 | STR q16, [x6], 16 |
| 173 | MOV v16.16b, v17.16b |
| 174 | |
| 175 | 8: |
| 176 | TBZ x1, 1, 9f |
| 177 | STR d30, [x7], 8 |
| 178 | DUP d30, v30.d[1] |
| 179 | STR d28, [x10], 8 |
| 180 | DUP d28, v28.d[1] |
| 181 | STR d18, [x9], 8 |
| 182 | DUP d18, v18.d[1] |
| 183 | STR d16, [x6], 8 |
| 184 | DUP d16, v16.d[1] |
| 185 | |
| 186 | 9: |
| 187 | TBZ x1, 0, 10f |
| 188 | STR s30, [x7] |
| 189 | STR s28, [x10] |
| 190 | STR s18, [x9] |
| 191 | STR s16, [x6] |
| 192 | 10: |
| 193 | RET |
| 194 | |
| 195 | END_FUNCTION xnn_f32_gemminc_ukernel_4x8__aarch64_neonfma_ld64 |
| 196 | |
| 197 | #ifdef __ELF__ |
| 198 | .section ".note.GNU-stack","",%progbits |
| 199 | #endif |