| // Auto-generated file. Do not edit! |
| // Template: src/f32-gemm/6x8-aarch64-neonfma-ld128.S.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2019 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <xnnpack/assembly.h> |
| |
| # void xnn_f32_gemminc_ukernel_6x8__aarch64_neonfma_ld128( |
| # size_t mr, x0 |
| # size_t nc, x1 |
| # size_t kc, x2 / x0 |
| # const uint8_t*restrict a, x3 |
| # size_t a_stride, x4 |
| # const void*restrict w, x5 |
| # uint8_t*restrict c, x6 |
| # size_t cm_stride, x7 |
| # size_t cn_stride, [sp] -> x14 |
| # const float*restrict acc, [sp + 8] -> x15 |
| # const union xnn_f32_output_params params[restrict static 1]) [sp + 16] -> x8 |
| |
| # d8-d15 need to be preserved if used. |
| # x19-30 need to be preserved if used. |
| |
| # A pointers |
| # x3 a0 |
| # x9 a1 |
| # x10 a2 |
| # x11 a3 |
| # x12 a4 |
| # x4 a5 |
| |
| # C pointers |
| # x6 c0 |
| # x16 c1 |
| # x17 c2 |
| # x18 c3 |
| # x13 c4 |
| # x7 c5 |
| |
| # Vector register usage |
| # A0 v0 |
| # A1 v1 |
| # A2 v2 |
| # A3 v3 |
| # A4 v4 |
| # A5 v5 |
| # B v16 v17 v18 v19 |
| # C v20 v21 |
| # C v22 v23 |
| # C v24 v25 |
| # C v26 v27 |
| # C v28 v29 |
| # C v30 v31 |
| # Clamp v6 v7 |
| # unused A v8 v9 v10 v11 |
| # unused B v12 v13 v14 v15 |
| |
| BEGIN_FUNCTION xnn_f32_gemminc_ukernel_6x8__aarch64_neonfma_ld128 |
| |
| # Clamp A and C pointers |
| CMP x0, 2 // if mr < 2 |
| ADD x9, x3, x4 // a1 = a0 + a_stride |
| ADD x16, x6, x7 // c1 = c0 + cm_stride |
| CSEL x9, x3, x9, LO // a1 = a0 |
| CSEL x16, x6, x16, LO // c1 = c0 |
| |
| ADD x10, x9, x4 // a2 = a1 + a_stride |
| ADD x17, x16, x7 // c2 = c1 + cm_stride |
| // if mr <= 2 |
| CSEL x10, x9, x10, LS // a2 = a1 |
| CSEL x17, x16, x17, LS // c2 = c1 |
| |
| CMP x0, 4 // if mr < 4 |
| ADD x11, x10, x4 // a3 = a2 + a_stride |
| ADD x18, x17, x7 // c3 = c2 + cm_stride |
| CSEL x11, x10, x11, LO // a3 = a2 |
| CSEL x18, x17, x18, LO // c3 = c2 |
| |
| ADD x12, x11, x4 // a4 = a3 + a_stride |
| ADD x13, x18, x7 // c4 = c3 + cm_stride |
| // if mr <= 5 |
| CSEL x12, x11, x12, LS // a4 = a3 |
| CSEL x13, x18, x13, LS // c4 = c3 |
| |
| # Load acc, params pointer |
| LDP x15, x8, [sp, 8] |
| |
| CMP x0, 6 // if mr < 6 |
| ADD x4, x12, x4 // a5 = a4 + a_stride |
| ADD x7, x13, x7 // c5 = c4 + cm_stride |
| CSEL x4, x12, x4, LO // a5 = a4 |
| CSEL x7, x13, x7, LO // c5 = c4 |
| |
| # Load clamping_params values |
| LD2R {v6.4s, v7.4s}, [x8] |
| |
| # Load cn_stride |
| LDR x14, [sp] |
| |
| 0: |
| # Load initial accumulators |
| LDP q20, q21, [x15], 32 |
| LDP q22, q23, [x15], 32 |
| LDP q24, q25, [x15], 32 |
| LDP q26, q27, [x15], 32 |
| LDP q28, q29, [x15], 32 |
| LDP q30, q31, [x15], 32 |
| PRFM PLDL1KEEP, [x5, 0] // Prefetch B |
| PRFM PLDL1KEEP, [x5, 64] |
| PRFM PLDL1KEEP, [x5, 128] |
| PRFM PLDL1KEEP, [x5, 192] |
| PRFM PLDL1KEEP, [x3] // Prefetch A |
| PRFM PLDL1KEEP, [x9] |
| PRFM PLDL1KEEP, [x10] |
| PRFM PLDL1KEEP, [x11] |
| PRFM PLDL1KEEP, [x12] |
| PRFM PLDL1KEEP, [x4] |
| |
| # Is there at least 4 floats (16 bytes)? |
| SUBS x0, x2, 16 // k = kc - 16 |
| B.LO 2f |
| |
| # Main loop - 4 floats of A (16 bytes) |
| # 48 FMA + 6 ld128 A + 4 LDP B |
| 1: |
| LDR q0, [x3], 16 |
| LDP q16, q17, [x5], 32 |
| LDR q1, [x9], 16 |
| LDR q2, [x10], 16 |
| LDR q3, [x11], 16 |
| LDR q4, [x12], 16 |
| LDR q5, [x4], 16 |
| FMLA v20.4s, v16.4s, v0.s[0] |
| FMLA v22.4s, v16.4s, v1.s[0] |
| FMLA v24.4s, v16.4s, v2.s[0] |
| FMLA v26.4s, v16.4s, v3.s[0] |
| LDP q18, q19, [x5], 32 |
| FMLA v28.4s, v16.4s, v4.s[0] |
| FMLA v30.4s, v16.4s, v5.s[0] |
| FMLA v21.4s, v17.4s, v0.s[0] |
| FMLA v23.4s, v17.4s, v1.s[0] |
| FMLA v25.4s, v17.4s, v2.s[0] |
| FMLA v27.4s, v17.4s, v3.s[0] |
| FMLA v29.4s, v17.4s, v4.s[0] |
| FMLA v31.4s, v17.4s, v5.s[0] |
| |
| FMLA v20.4s, v18.4s, v0.s[1] |
| LDP q16, q17, [x5], 32 |
| FMLA v22.4s, v18.4s, v1.s[1] |
| FMLA v24.4s, v18.4s, v2.s[1] |
| FMLA v26.4s, v18.4s, v3.s[1] |
| FMLA v28.4s, v18.4s, v4.s[1] |
| FMLA v30.4s, v18.4s, v5.s[1] |
| FMLA v21.4s, v19.4s, v0.s[1] |
| FMLA v23.4s, v19.4s, v1.s[1] |
| FMLA v25.4s, v19.4s, v2.s[1] |
| FMLA v27.4s, v19.4s, v3.s[1] |
| FMLA v29.4s, v19.4s, v4.s[1] |
| FMLA v31.4s, v19.4s, v5.s[1] |
| |
| FMLA v20.4s, v16.4s, v0.s[2] |
| LDP q18, q19, [x5], 32 |
| FMLA v22.4s, v16.4s, v1.s[2] |
| FMLA v24.4s, v16.4s, v2.s[2] |
| FMLA v26.4s, v16.4s, v3.s[2] |
| FMLA v28.4s, v16.4s, v4.s[2] |
| FMLA v30.4s, v16.4s, v5.s[2] |
| FMLA v21.4s, v17.4s, v0.s[2] |
| FMLA v23.4s, v17.4s, v1.s[2] |
| FMLA v25.4s, v17.4s, v2.s[2] |
| FMLA v27.4s, v17.4s, v3.s[2] |
| FMLA v29.4s, v17.4s, v4.s[2] |
| FMLA v31.4s, v17.4s, v5.s[2] |
| |
| FMLA v20.4s, v18.4s, v0.s[3] |
| FMLA v22.4s, v18.4s, v1.s[3] |
| FMLA v24.4s, v18.4s, v2.s[3] |
| FMLA v26.4s, v18.4s, v3.s[3] |
| FMLA v28.4s, v18.4s, v4.s[3] |
| FMLA v30.4s, v18.4s, v5.s[3] |
| FMLA v21.4s, v19.4s, v0.s[3] |
| FMLA v23.4s, v19.4s, v1.s[3] |
| FMLA v25.4s, v19.4s, v2.s[3] |
| FMLA v27.4s, v19.4s, v3.s[3] |
| SUBS x0, x0, 16 |
| FMLA v29.4s, v19.4s, v4.s[3] |
| FMLA v31.4s, v19.4s, v5.s[3] |
| B.HS 1b |
| |
| 2: |
| # Is there a remainder?- 2 floats of A (8 bytes) |
| TBNZ x0, 3, 4f |
| # Is there a remainder?- 1 floats of A (4 bytes) |
| TBNZ x0, 2, 5f |
| 3: |
| # Clamp |
| FMIN v20.4s, v20.4s, v6.4s |
| SUBS x1, x1, 8 |
| FMIN v21.4s, v21.4s, v6.4s |
| FMIN v22.4s, v22.4s, v6.4s |
| FMIN v23.4s, v23.4s, v6.4s |
| FMIN v24.4s, v24.4s, v6.4s |
| FMIN v25.4s, v25.4s, v6.4s |
| FMIN v26.4s, v26.4s, v6.4s |
| FMIN v27.4s, v27.4s, v6.4s |
| FMIN v28.4s, v28.4s, v6.4s |
| FMIN v29.4s, v29.4s, v6.4s |
| FMIN v30.4s, v30.4s, v6.4s |
| FMIN v31.4s, v31.4s, v6.4s |
| FMAX v20.4s, v20.4s, v7.4s |
| FMAX v21.4s, v21.4s, v7.4s |
| FMAX v22.4s, v22.4s, v7.4s |
| FMAX v23.4s, v23.4s, v7.4s |
| FMAX v24.4s, v24.4s, v7.4s |
| FMAX v25.4s, v25.4s, v7.4s |
| FMAX v26.4s, v26.4s, v7.4s |
| FMAX v27.4s, v27.4s, v7.4s |
| FMAX v28.4s, v28.4s, v7.4s |
| FMAX v29.4s, v29.4s, v7.4s |
| FMAX v30.4s, v30.4s, v7.4s |
| FMAX v31.4s, v31.4s, v7.4s |
| |
| # Store full 6 x 8 |
| B.LO 6f |
| |
| ST1 {v30.16b, v31.16b}, [x7], x14 |
| SUB x3, x3, x2 // a0 -= kc |
| ST1 {v28.16b, v29.16b}, [x13], x14 |
| SUB x9, x9, x2 // a1 -= kc |
| ST1 {v26.16b, v27.16b}, [x18], x14 |
| SUB x10, x10, x2 // a2 -= kc |
| ST1 {v24.16b, v25.16b}, [x17], x14 |
| SUB x11, x11, x2 // a3 -= kc |
| ST1 {v22.16b, v23.16b}, [x16], x14 |
| SUB x12, x12, x2 // a4 -= kc |
| ST1 {v20.16b, v21.16b}, [x6], x14 |
| SUB x4, x4, x2 // a5 -= kc |
| |
| B.HI 0b |
| |
| RET |
| |
| 4: |
| # Remainder- 2 floats of A (8 bytes) |
| LDR d0, [x3], 8 |
| LDP q16, q17, [x5], 32 |
| LDR d1, [x9], 8 |
| LDR d2, [x10], 8 |
| LDR d3, [x11], 8 |
| LDR d4, [x12], 8 |
| LDR d5, [x4], 8 |
| FMLA v20.4s, v16.4s, v0.s[0] |
| FMLA v22.4s, v16.4s, v1.s[0] |
| FMLA v24.4s, v16.4s, v2.s[0] |
| FMLA v26.4s, v16.4s, v3.s[0] |
| LDP q18, q19, [x5], 32 |
| FMLA v28.4s, v16.4s, v4.s[0] |
| FMLA v30.4s, v16.4s, v5.s[0] |
| FMLA v21.4s, v17.4s, v0.s[0] |
| FMLA v23.4s, v17.4s, v1.s[0] |
| FMLA v25.4s, v17.4s, v2.s[0] |
| FMLA v27.4s, v17.4s, v3.s[0] |
| FMLA v29.4s, v17.4s, v4.s[0] |
| FMLA v31.4s, v17.4s, v5.s[0] |
| |
| FMLA v20.4s, v18.4s, v0.s[1] |
| FMLA v22.4s, v18.4s, v1.s[1] |
| FMLA v24.4s, v18.4s, v2.s[1] |
| FMLA v26.4s, v18.4s, v3.s[1] |
| FMLA v28.4s, v18.4s, v4.s[1] |
| FMLA v30.4s, v18.4s, v5.s[1] |
| FMLA v21.4s, v19.4s, v0.s[1] |
| FMLA v23.4s, v19.4s, v1.s[1] |
| FMLA v25.4s, v19.4s, v2.s[1] |
| FMLA v27.4s, v19.4s, v3.s[1] |
| FMLA v29.4s, v19.4s, v4.s[1] |
| FMLA v31.4s, v19.4s, v5.s[1] |
| TBZ x0, 2, 3b |
| |
| 5: |
| # Remainder- 1 floats of A (4 bytes) |
| LDR s0, [x3], 4 |
| LDP q16, q17, [x5], 32 |
| LDR s1, [x9], 4 |
| LDR s2, [x10], 4 |
| LDR s3, [x11], 4 |
| LDR s4, [x12], 4 |
| LDR s5, [x4], 4 |
| FMLA v20.4s, v16.4s, v0.s[0] |
| FMLA v22.4s, v16.4s, v1.s[0] |
| FMLA v24.4s, v16.4s, v2.s[0] |
| FMLA v26.4s, v16.4s, v3.s[0] |
| FMLA v28.4s, v16.4s, v4.s[0] |
| FMLA v30.4s, v16.4s, v5.s[0] |
| FMLA v21.4s, v17.4s, v0.s[0] |
| FMLA v23.4s, v17.4s, v1.s[0] |
| FMLA v25.4s, v17.4s, v2.s[0] |
| FMLA v27.4s, v17.4s, v3.s[0] |
| FMLA v29.4s, v17.4s, v4.s[0] |
| FMLA v31.4s, v17.4s, v5.s[0] |
| B 3b |
| |
| # Store odd width |
| 6: |
| TBZ x1, 2, 7f |
| STR q30, [x7], 16 |
| MOV v30.16b, v31.16b |
| STR q28, [x13], 16 |
| MOV v28.16b, v29.16b |
| STR q26, [x18], 16 |
| MOV v26.16b, v27.16b |
| STR q24, [x17], 16 |
| MOV v24.16b, v25.16b |
| STR q22, [x16], 16 |
| MOV v22.16b, v23.16b |
| STR q20, [x6], 16 |
| MOV v20.16b, v21.16b |
| |
| 7: |
| TBZ x1, 1, 8f |
| STR d30, [x7], 8 |
| DUP d30, v30.d[1] |
| STR d28, [x13], 8 |
| DUP d28, v28.d[1] |
| STR d26, [x18], 8 |
| DUP d26, v26.d[1] |
| STR d24, [x17], 8 |
| DUP d24, v24.d[1] |
| STR d22, [x16], 8 |
| DUP d22, v22.d[1] |
| STR d20, [x6], 8 |
| DUP d20, v20.d[1] |
| |
| 8: |
| TBZ x1, 0, 9f |
| STR s30, [x7] |
| STR s28, [x13] |
| STR s26, [x18] |
| STR s24, [x17] |
| STR s22, [x16] |
| STR s20, [x6] |
| 9: |
| RET |
| |
| END_FUNCTION xnn_f32_gemminc_ukernel_6x8__aarch64_neonfma_ld128 |
| |
| #ifdef __ELF__ |
| .section ".note.GNU-stack","",%progbits |
| #endif |
