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Diffstat (limited to 'gcc-4.9/gcc/config/sh/sh-protos.h')
| -rw-r--r-- | gcc-4.9/gcc/config/sh/sh-protos.h | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/sh/sh-protos.h b/gcc-4.9/gcc/config/sh/sh-protos.h new file mode 100644 index 000000000..defc76a32 --- /dev/null +++ b/gcc-4.9/gcc/config/sh/sh-protos.h @@ -0,0 +1,235 @@ +/* Definitions of target machine for GNU compiler for Renesas / SuperH SH. + Copyright (C) 1993-2014 Free Software Foundation, Inc. + Contributed by Steve Chamberlain (sac@cygnus.com). + Improved by Jim Wilson (wilson@cygnus.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_SH_PROTOS_H +#define GCC_SH_PROTOS_H + +enum sh_function_kind { + /* A function with normal C ABI */ + FUNCTION_ORDINARY, + /* A special function that guarantees that some otherwise call-clobbered + registers are not clobbered. These can't go through the SH5 resolver, + because it only saves argument passing registers. */ + SFUNC_GOT, + /* A special function that should be linked statically. These are typically + smaller or not much larger than a PLT entry. + Some also have a non-standard ABI which precludes dynamic linking. */ + SFUNC_STATIC +}; + +/* Atomic model. */ +struct sh_atomic_model +{ + enum enum_type + { + none = 0, + soft_gusa, + hard_llcs, + soft_tcb, + soft_imask, + + num_models + }; + + /* If strict is set, disallow mixing of different models, as it would + happen on SH4A. */ + bool strict; + enum_type type; + + /* Name string as it was specified on the command line. */ + const char* name; + + /* Name string as it is used in C/C++ defines. */ + const char* cdef_name; + + /* GBR offset variable for TCB model. */ + int tcb_gbr_offset; +}; + +extern const sh_atomic_model& selected_atomic_model (void); + +/* Shortcuts to check the currently selected atomic model. */ +#define TARGET_ATOMIC_ANY \ + selected_atomic_model ().type != sh_atomic_model::none + +#define TARGET_ATOMIC_STRICT \ + selected_atomic_model ().strict + +#define TARGET_ATOMIC_SOFT_GUSA \ + selected_atomic_model ().type == sh_atomic_model::soft_gusa + +#define TARGET_ATOMIC_HARD_LLCS \ + selected_atomic_model ().type == sh_atomic_model::hard_llcs + +#define TARGET_ATOMIC_SOFT_TCB \ + selected_atomic_model ().type == sh_atomic_model::soft_tcb + +#define TARGET_ATOMIC_SOFT_TCB_GBR_OFFSET_RTX \ + GEN_INT (selected_atomic_model ().tcb_gbr_offset) + +#define TARGET_ATOMIC_SOFT_IMASK \ + selected_atomic_model ().type == sh_atomic_model::soft_imask + +#ifdef RTX_CODE +extern rtx sh_fsca_sf2int (void); +extern rtx sh_fsca_int2sf (void); + +/* Declare functions defined in sh.c and used in templates. */ + +extern const char *output_branch (int, rtx, rtx *); +extern const char *output_ieee_ccmpeq (rtx, rtx *); +extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *); +extern const char *output_movedouble (rtx, rtx[], enum machine_mode); +extern const char *output_movepcrel (rtx, rtx[], enum machine_mode); +extern const char *output_far_jump (rtx, rtx); + +extern rtx sfunc_uses_reg (rtx); +extern int barrier_align (rtx); +extern int sh_loop_align (rtx); +extern bool fp_zero_operand (rtx); +extern bool fp_one_operand (rtx); +extern rtx get_fpscr_rtx (void); +extern bool sh_legitimate_index_p (enum machine_mode, rtx, bool, bool); +extern bool sh_legitimize_reload_address (rtx *, enum machine_mode, int, int); +extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx); +extern bool nonpic_symbol_mentioned_p (rtx); +extern void emit_sf_insn (rtx); +extern void emit_df_insn (rtx); +extern void output_pic_addr_const (FILE *, rtx); +extern bool expand_block_move (rtx *); +extern void prepare_move_operands (rtx[], enum machine_mode mode); +extern bool sh_expand_cmpstr (rtx *); +extern bool sh_expand_cmpnstr (rtx *); +extern bool sh_expand_strlen (rtx *); +extern enum rtx_code prepare_cbranch_operands (rtx *, enum machine_mode mode, + enum rtx_code comparison); +extern void expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int); +extern bool expand_cbranchdi4 (rtx *operands, enum rtx_code comparison); +extern void sh_emit_scc_to_t (enum rtx_code, rtx, rtx); +extern rtx sh_emit_cheap_store_flag (enum machine_mode, enum rtx_code, rtx, rtx); +extern void sh_emit_compare_and_branch (rtx *, enum machine_mode); +extern void sh_emit_compare_and_set (rtx *, enum machine_mode); +extern bool sh_ashlsi_clobbers_t_reg_p (rtx); +extern bool sh_lshrsi_clobbers_t_reg_p (rtx); +extern void gen_shifty_op (int, rtx *); +extern void gen_shifty_hi_op (int, rtx *); +extern bool expand_ashiftrt (rtx *); +extern bool sh_dynamicalize_shift_p (rtx); +extern int shl_and_kind (rtx, rtx, int *); +extern int shl_and_length (rtx); +extern int shl_and_scr_length (rtx); +extern bool gen_shl_and (rtx, rtx, rtx, rtx); +extern int shl_sext_kind (rtx, rtx, int *); +extern int shl_sext_length (rtx); +extern bool gen_shl_sext (rtx, rtx, rtx, rtx); +extern rtx gen_datalabel_ref (rtx); +extern int regs_used (rtx, int); +extern void fixup_addr_diff_vecs (rtx); +extern int get_dest_uid (rtx, int); +extern void final_prescan_insn (rtx, rtx *, int); +extern enum tls_model tls_symbolic_operand (rtx, enum machine_mode); +extern bool system_reg_operand (rtx, enum machine_mode); +extern bool reg_unused_after (rtx, rtx); +extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *); +extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); +extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *); +extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); +extern int sh_insn_length_adjustment (rtx); +extern bool sh_can_redirect_branch (rtx, rtx); +extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx); +extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx); +extern bool sh_expand_t_scc (rtx *); +extern rtx sh_gen_truncate (enum machine_mode, rtx, int); +extern bool sh_vector_mode_supported_p (enum machine_mode); +extern bool sh_cfun_trap_exit_p (void); +extern rtx sh_find_equiv_gbr_addr (rtx cur_insn, rtx mem); +extern int sh_eval_treg_value (rtx op); +extern HOST_WIDE_INT sh_disp_addr_displacement (rtx mem_op); +extern int sh_max_mov_insn_displacement (machine_mode mode, bool consider_sh2a); + +/* Result value of sh_find_set_of_reg. */ +struct set_of_reg +{ + /* The insn where sh_find_set_of_reg stopped looking. + Can be NULL_RTX if the end of the insn list was reached. */ + rtx insn; + + /* The set rtx of the specified reg if found, NULL_RTX otherwise. */ + const_rtx set_rtx; + + /* The set source rtx of the specified reg if found, NULL_RTX otherwise. + Usually, this is the most interesting return value. */ + rtx set_src; +}; + +extern set_of_reg sh_find_set_of_reg (rtx reg, rtx insn, rtx(*stepfunc)(rtx)); +extern bool sh_is_logical_t_store_expr (rtx op, rtx insn); +extern rtx sh_try_omit_signzero_extend (rtx extended_op, rtx insn); +#endif /* RTX_CODE */ + +extern void sh_cpu_cpp_builtins (cpp_reader* pfile); + +extern const char *output_jump_label_table (void); +extern rtx get_t_reg_rtx (void); +extern rtx get_fpscr_rtx (void); +extern int sh_media_register_for_return (void); +extern void sh_expand_prologue (void); +extern void sh_expand_epilogue (bool); +extern void sh_set_return_address (rtx, rtx); +extern int initial_elimination_offset (int, int); +extern bool fldi_ok (void); +extern bool sh_hard_regno_rename_ok (unsigned int, unsigned int); +extern bool sh_cfun_interrupt_handler_p (void); +extern bool sh_cfun_resbank_handler_p (void); +extern bool sh_attr_renesas_p (const_tree); +extern bool sh_cfun_attr_renesas_p (void); +extern bool sh_cannot_change_mode_class + (enum machine_mode, enum machine_mode, enum reg_class); +extern bool sh_small_register_classes_for_mode_p (enum machine_mode); +extern void sh_mark_label (rtx, int); +extern bool check_use_sfunc_addr (rtx, rtx); + +#ifdef HARD_CONST +extern void fpscr_set_from_mem (int, HARD_REG_SET); +#endif + +extern void sh_pr_interrupt (struct cpp_reader *); +extern void sh_pr_trapa (struct cpp_reader *); +extern void sh_pr_nosave_low_regs (struct cpp_reader *); +extern rtx function_symbol (rtx, const char *, enum sh_function_kind); +extern rtx sh_get_pr_initial_val (void); + +extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, + signed int, enum machine_mode); +extern rtx sh_dwarf_register_span (rtx); + +extern rtx replace_n_hard_rtx (rtx, rtx *, int , int); +extern int shmedia_cleanup_truncate (rtx *, void *); + +extern bool sh_contains_memref_p (rtx); +extern bool sh_loads_bankedreg_p (rtx); +extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall); +extern int sh2a_get_function_vector_number (rtx); +extern bool sh2a_is_function_vector_call (rtx); +extern void sh_fix_range (const char *); +extern bool sh_hard_regno_mode_ok (unsigned int, enum machine_mode); +extern bool sh_can_use_simple_return_p (void); +#endif /* ! GCC_SH_PROTOS_H */ |