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/* Definitions for loongarch-specific option handling.
Copyright (C) 2021-2024 Free Software Foundation, Inc.
Contributed by Loongson Ltd.
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 LOONGARCH_OPTS_H
#define LOONGARCH_OPTS_H
/* The loongarch-def.h file is a C++ header and it shouldn't be used by
target libraries. Exclude it and everything using the C++ structs
(struct loongarch_target and gcc_options) from target libraries. */
#if !defined(IN_LIBGCC2) && !defined(IN_TARGET_LIBS) && !defined(IN_RTS)
#include "loongarch-def.h"
/* Target configuration */
extern struct loongarch_target la_target;
/* RTL cost information */
extern const struct loongarch_rtx_cost_data *loongarch_cost;
/* Initialize loongarch_target from separate option variables. */
void
loongarch_init_target (struct loongarch_target *target,
int cpu_arch, int cpu_tune, int fpu, int simd,
int abi_base, int abi_ext, int cmodel,
int tls_dialect,
HOST_WIDE_INT isa_evolutions,
HOST_WIDE_INT isa_evolutions_set);
/* Handler for "-m" option combinations,
shared by the driver and the compiler proper. */
void
loongarch_config_target (struct loongarch_target *target,
struct loongarch_flags *flags,
int follow_multilib_list_p);
/* Refresh the switches acccording to the resolved loongarch_target struct. */
void
loongarch_target_option_override (struct loongarch_target *target,
struct gcc_options *opts,
struct gcc_options *opts_set);
/* option status feedback for "gcc --help=target -Q" */
void
loongarch_update_gcc_opt_status (struct loongarch_target *target,
struct gcc_options *opts,
struct gcc_options *opts_set);
/* Parser for -mrecip=<recip_string>. */
unsigned int
loongarch_parse_mrecip_scheme (const char *recip_string);
/* Resolve options that's not covered by la_target. */
void
loongarch_init_misc_options (struct gcc_options *opts,
struct gcc_options *opts_set);
#endif
/* Flag status */
struct loongarch_flags {
int flt; const char* flt_str;
#define SX_FLAG_TYPE(x) ((x) < 0 ? -(x) : (x))
int sx[2];
};
/* Macros for common conditional expressions used in loongarch.{c,h,md} */
#define TARGET_CMODEL_NORMAL (la_target.cmodel == CMODEL_NORMAL)
#define TARGET_CMODEL_TINY (la_target.cmodel == CMODEL_TINY)
#define TARGET_CMODEL_TINY_STATIC (la_target.cmodel == CMODEL_TINY_STATIC)
#define TARGET_CMODEL_MEDIUM (la_target.cmodel == CMODEL_MEDIUM)
#define TARGET_CMODEL_LARGE (la_target.cmodel == CMODEL_LARGE)
#define TARGET_CMODEL_EXTREME (la_target.cmodel == CMODEL_EXTREME)
#define TARGET_HARD_FLOAT (la_target.isa.fpu != ISA_EXT_NONE)
#define TARGET_HARD_FLOAT_ABI (la_target.abi.base == ABI_BASE_LP64D \
|| la_target.abi.base == ABI_BASE_LP64F)
#define TARGET_SOFT_FLOAT (la_target.isa.fpu == ISA_EXT_NONE)
#define TARGET_SOFT_FLOAT_ABI (la_target.abi.base == ABI_BASE_LP64S)
#define TARGET_SINGLE_FLOAT (la_target.isa.fpu == ISA_EXT_FPU32)
#define TARGET_SINGLE_FLOAT_ABI (la_target.abi.base == ABI_BASE_LP64F)
#define TARGET_DOUBLE_FLOAT (la_target.isa.fpu == ISA_EXT_FPU64)
#define TARGET_DOUBLE_FLOAT_ABI (la_target.abi.base == ABI_BASE_LP64D)
#define TARGET_64BIT (la_target.isa.base == ISA_BASE_LA64)
#define TARGET_ABI_LP64 ABI_LP64_P(la_target.abi.base)
#define TARGET_TLS_DESC (la_target.tls_dialect == TLS_DESCRIPTORS)
#define ISA_HAS_LSX \
(la_target.isa.simd == ISA_EXT_SIMD_LSX \
|| la_target.isa.simd == ISA_EXT_SIMD_LASX)
#define ISA_HAS_LASX \
(la_target.isa.simd == ISA_EXT_SIMD_LASX)
#define ISA_HAS_FRECIPE \
(la_target.isa.evolution & OPTION_MASK_ISA_FRECIPE)
#define ISA_HAS_DIV32 \
(la_target.isa.evolution & OPTION_MASK_ISA_DIV32)
#define ISA_HAS_LAM_BH \
(la_target.isa.evolution & OPTION_MASK_ISA_LAM_BH)
#define ISA_HAS_LAMCAS \
(la_target.isa.evolution & OPTION_MASK_ISA_LAMCAS)
#define ISA_HAS_LD_SEQ_SA \
(la_target.isa.evolution & OPTION_MASK_ISA_LD_SEQ_SA)
/* TARGET_ macros for use in *.md template conditionals */
#define TARGET_uARCH_LA464 (la_target.cpu_tune == TUNE_LA464)
#define TARGET_uARCH_LA664 (la_target.cpu_tune == TUNE_LA664)
/* Note: optimize_size may vary across functions,
while -m[no]-memcpy imposes a global constraint. */
#define TARGET_DO_OPTIMIZE_BLOCK_MOVE_P loongarch_do_optimize_block_move_p()
#ifndef HAVE_AS_EXPLICIT_RELOCS
#define HAVE_AS_EXPLICIT_RELOCS 0
#endif
#ifndef HAVE_AS_SUPPORT_CALL36
#define HAVE_AS_SUPPORT_CALL36 0
#endif
#ifndef HAVE_AS_MRELAX_OPTION
#define HAVE_AS_MRELAX_OPTION 0
#endif
#ifndef HAVE_AS_COND_BRANCH_RELAXATION
#define HAVE_AS_COND_BRANCH_RELAXATION 0
#endif
#ifndef HAVE_AS_TLS
#define HAVE_AS_TLS 0
#endif
#ifndef HAVE_AS_TLS_LE_RELAXATION
#define HAVE_AS_TLS_LE_RELAXATION 0
#endif
#endif /* LOONGARCH_OPTS_H */
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