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/* Tuning model description for AArch64 architecture.
Copyright (C) 2009-2025 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
<http://www.gnu.org/licenses/>. */
#ifndef GCC_AARCH64_H_AMPERE1A
#define GCC_AARCH64_H_AMPERE1A
#include "generic.h"
static const struct tune_params ampere1a_tunings =
{
&ere1a_extra_costs,
&generic_addrcost_table,
&generic_regmove_cost,
&ere1_vector_cost,
&generic_branch_cost,
&generic_approx_modes,
SVE_NOT_IMPLEMENTED, /* sve_width */
{ 4, /* load_int. */
4, /* store_int. */
4, /* load_fp. */
4, /* store_fp. */
4, /* load_pred. */
4 /* store_pred. */
}, /* memmov_cost. */
4, /* issue_rate */
(AARCH64_FUSE_BASE | AARCH64_FUSE_ADRP_ADD | AARCH64_FUSE_MOVK
| AARCH64_FUSE_ALU_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_WEAK, /* autoprefetcher_model. */
(AARCH64_EXTRA_TUNE_AVOID_CROSS_LOOP_FMA
| AARCH64_EXTRA_TUNE_FULLY_PIPELINED_FMA), /* tune_flags. */
&ere1_prefetch_tune,
AARCH64_LDP_STP_POLICY_ALIGNED, /* ldp_policy_model. */
AARCH64_LDP_STP_POLICY_ALIGNED /* stp_policy_model. */
};
#endif /* GCC_AARCH64_H_AMPERE1A. */
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