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/* Definition of RISC-V target for GNU compiler.
Copyright (C) 2016-2020 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
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_RISCV_OPTS_H
#define GCC_RISCV_OPTS_H
enum riscv_abi_type {
ABI_ILP32,
ABI_ILP32E,
ABI_ILP32F,
ABI_ILP32D,
ABI_LP64,
ABI_LP64F,
ABI_LP64D
};
extern enum riscv_abi_type riscv_abi;
enum riscv_code_model {
CM_MEDLOW,
CM_MEDANY,
CM_PIC
};
extern enum riscv_code_model riscv_cmodel;
enum riscv_isa_spec_class {
ISA_SPEC_CLASS_NONE,
ISA_SPEC_CLASS_2P2,
ISA_SPEC_CLASS_20190608,
ISA_SPEC_CLASS_20191213
};
extern enum riscv_isa_spec_class riscv_isa_spec;
/* Keep this list in sync with define_attr "tune" in riscv.md. */
enum riscv_microarchitecture_type {
generic,
sifive_7
};
extern enum riscv_microarchitecture_type riscv_microarchitecture;
enum riscv_align_data {
riscv_align_data_type_xlen,
riscv_align_data_type_natural
};
/* Where to get the canary for the stack protector. */
enum stack_protector_guard {
SSP_TLS, /* per-thread canary in TLS block */
SSP_GLOBAL /* global canary */
};
#define MASK_ZICSR (1 << 0)
#define MASK_ZIFENCEI (1 << 1)
#define TARGET_ZICSR ((riscv_zi_subext & MASK_ZICSR) != 0)
#define TARGET_ZIFENCEI ((riscv_zi_subext & MASK_ZIFENCEI) != 0)
#endif /* ! GCC_RISCV_OPTS_H */
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