/* Tuning model description for the Ampere1B core. Copyright (C) 2023-2024 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see . */ #ifndef GCC_AARCH64_H_AMPERE1B #define GCC_AARCH64_H_AMPERE1B #include "generic.h" static const cpu_prefetch_tune ampere1b_prefetch_tune = { 48, /* num_slots */ 64, /* l1_cache_size */ 64, /* l1_cache_line_size */ 2048, /* l2_cache_size */ true, /* prefetch_dynamic_strides */ -1, /* minimum_stride */ -1 /* default_opt_level */ }; static const advsimd_vec_cost ampere1b_advsimd_vector_cost = { 1, /* int_stmt_cost */ 3, /* fp_stmt_cost */ 0, /* ld2_st2_permute_cost */ 0, /* ld3_st3_permute_cost */ 0, /* ld4_st4_permute_cost */ 2, /* permute_cost */ 8, /* reduc_i8_cost */ 6, /* reduc_i16_cost */ 4, /* reduc_i32_cost */ 2, /* reduc_i64_cost */ 9, /* reduc_f16_cost */ 6, /* reduc_f32_cost */ 3, /* reduc_f64_cost */ 5, /* store_elt_extra_cost */ 5, /* vec_to_scalar_cost */ 5, /* scalar_to_vec_cost */ 4, /* align_load_cost */ 4, /* unalign_load_cost */ 1, /* unalign_store_cost */ 1 /* store_cost */ }; /* Ampere-1B costs for vector insn classes. */ static const struct cpu_vector_cost ampere1b_vector_cost = { 1, /* scalar_int_stmt_cost */ 3, /* scalar_fp_stmt_cost */ 4, /* scalar_load_cost */ 1, /* scalar_store_cost */ 1, /* cond_taken_branch_cost */ 1, /* cond_not_taken_branch_cost */ &ere1b_advsimd_vector_cost, /* advsimd */ nullptr, /* sve */ nullptr /* issue_info */ }; static const struct tune_params ampere1b_tunings = { &ere1b_extra_costs, &generic_addrcost_table, &generic_regmove_cost, &ere1b_vector_cost, &generic_branch_cost, &generic_approx_modes, SVE_NOT_IMPLEMENTED, /* sve_width */ { 3, /* load_int. */ 1, /* store_int. */ 4, /* load_fp. */ 4, /* store_fp. */ 4, /* load_pred. */ 4 /* store_pred. */ }, /* memmov_cost. */ 4, /* issue_rate */ (AARCH64_FUSE_ADRP_ADD | AARCH64_FUSE_AES_AESMC | AARCH64_FUSE_MOV_MOVK | AARCH64_FUSE_MOVK_MOVK | AARCH64_FUSE_ALU_BRANCH /* adds, ands, bics, ccmp, ccmn */ | AARCH64_FUSE_CMP_BRANCH | AARCH64_FUSE_ALU_CBZ | AARCH64_FUSE_ADDSUB_2REG_CONST1), /* fusible_ops */ "32", /* function_align. */ "4", /* jump_align. */ "32:16", /* loop_align. */ 2, /* int_reassoc_width. */ 4, /* fp_reassoc_width. */ 4, /* fma_reassoc_width. */ 2, /* vec_reassoc_width. */ 2, /* min_div_recip_mul_sf. */ 2, /* min_div_recip_mul_df. */ 0, /* max_case_values. */ tune_params::AUTOPREFETCHER_STRONG, /* autoprefetcher_model. */ (AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND | AARCH64_EXTRA_TUNE_AVOID_CROSS_LOOP_FMA | AARCH64_EXTRA_TUNE_FULLY_PIPELINED_FMA), /* tune_flags. */ &ere1b_prefetch_tune, AARCH64_LDP_STP_POLICY_ALIGNED, /* ldp_policy_model. */ AARCH64_LDP_STP_POLICY_ALIGNED /* stp_policy_model. */ }; #endif /* GCC_AARCH64_H_AMPERE1B */