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/* Definitions of target machine for GNU compiler. TMS320C[34]x
Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999
Free Software Foundation, Inc.
Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
and Herman Ten Brugge (Haj.Ten.Brugge@net.HCC.nl).
This file is part of GNU CC.
GNU CC 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 2, or (at your option)
any later version.
GNU CC 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 GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
extern void c4x_override_options PARAMS ((void));
extern void c4x_optimization_options PARAMS ((int, int));
extern void c4x_output_ascii PARAMS ((FILE *, const char *, int));
extern int c4x_interrupt_function_p PARAMS ((void));
extern void c4x_expand_prologue PARAMS ((void));
extern void c4x_expand_epilogue PARAMS ((void));
extern int c4x_null_epilogue_p PARAMS ((void));
extern int c4x_handle_pragma PARAMS ((int (* p_getc) (void),
void (* p_ungetc) (int),
char *));
extern void c4x_global_label (const char *);
extern void c4x_external_ref (const char *);
extern void c4x_file_end (FILE *);
#ifdef TREE_CODE
extern void c4x_set_default_attributes PARAMS ((tree, tree *));
extern void c4x_function_arg_advance PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode, tree, int));
extern struct rtx_def *c4x_function_arg PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode, tree,
int));
extern void c4x_encode_section_info PARAMS ((tree));
extern int c4x_valid_type_attribute_p PARAMS ((tree, tree, tree, tree));
#endif /* TREE_CODE */
#if defined(RTX_CODE) && defined(TREE_CODE)
extern void c4x_init_cumulative_args PARAMS ((CUMULATIVE_ARGS *c, tree, rtx));
extern void c4x_va_start PARAMS ((int, tree, rtx));
extern struct rtx_def *c4x_va_arg PARAMS ((tree, tree));
#endif /* TREE_CODE and RTX_CODE*/
#ifdef RTX_CODE
extern struct rtx_def *c4x_gen_compare_reg PARAMS ((enum rtx_code, rtx, rtx));
extern int c4x_check_legit_addr PARAMS ((enum machine_mode, rtx, int));
extern int c4x_hard_regno_mode_ok PARAMS ((unsigned int, enum machine_mode));
extern struct rtx_def *c4x_legitimize_address PARAMS ((rtx,
enum machine_mode));
extern struct rtx_def *c4x_legitimize_reload_address PARAMS ((rtx, enum machine_mode, rtx));
extern int c4x_address_cost PARAMS ((rtx));
extern void c4x_print_operand PARAMS ((FILE *, rtx, int));
extern void c4x_print_operand_address PARAMS ((FILE *, rtx));
extern enum reg_class c4x_preferred_reload_class PARAMS ((rtx,
enum reg_class));
extern struct rtx_def *c4x_operand_subword PARAMS ((rtx, int, int,
enum machine_mode));
extern char *c4x_output_cbranch PARAMS ((const char *, rtx));
extern int c4x_label_conflict PARAMS ((rtx, rtx, rtx));
extern int c4x_address_conflict PARAMS ((rtx, rtx, int, int));
extern int c4x_adjust_cost PARAMS ((rtx, rtx, rtx, int));
extern void c4x_process_after_reload PARAMS ((rtx));
extern void c4x_rptb_insert PARAMS ((rtx insn));
extern int c4x_rptb_nop_p PARAMS ((rtx));
extern int c4x_rptb_rpts_p PARAMS ((rtx, rtx));
extern int c4x_autoinc_operand PARAMS ((rtx, enum machine_mode));
extern int any_operand PARAMS ((rtx, enum machine_mode));
extern int fp_zero_operand PARAMS ((rtx, enum machine_mode));
extern int const_operand PARAMS ((rtx, enum machine_mode));
extern int stik_const_operand PARAMS ((rtx, enum machine_mode));
extern int not_const_operand PARAMS ((rtx, enum machine_mode));
extern int parallel_operand PARAMS ((rtx, enum machine_mode));
extern int reg_or_const_operand PARAMS ((rtx, enum machine_mode));
extern int reg_operand PARAMS ((rtx, enum machine_mode));
extern int mixed_subreg_operand PARAMS ((rtx, enum machine_mode));
extern int reg_imm_operand PARAMS ((rtx, enum machine_mode));
extern int r0r1_reg_operand PARAMS ((rtx, enum machine_mode));
extern int r2r3_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ext_low_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ext_reg_operand PARAMS ((rtx, enum machine_mode));
extern int std_reg_operand PARAMS ((rtx, enum machine_mode));
extern int std_or_reg_operand PARAMS ((rtx, enum machine_mode));
extern int dst_operand PARAMS ((rtx, enum machine_mode));
extern int src_operand PARAMS ((rtx, enum machine_mode));
extern int src_hi_operand PARAMS ((rtx, enum machine_mode));
extern int lsrc_operand PARAMS ((rtx, enum machine_mode));
extern int tsrc_operand PARAMS ((rtx, enum machine_mode));
extern int addr_reg_operand PARAMS ((rtx, enum machine_mode));
extern int index_reg_operand PARAMS ((rtx, enum machine_mode));
extern int dp_reg_operand PARAMS ((rtx, enum machine_mode));
extern int sp_reg_operand PARAMS ((rtx, enum machine_mode));
extern int rc_reg_operand PARAMS ((rtx, enum machine_mode));
extern int st_reg_operand PARAMS ((rtx, enum machine_mode));
extern int symbolic_address_operand PARAMS ((rtx, enum machine_mode));
extern int ar0_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar0_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar1_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar1_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar2_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar2_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar3_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar3_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar4_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar4_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar5_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar5_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar6_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar6_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ar7_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ar7_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ir0_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ir0_mem_operand PARAMS ((rtx, enum machine_mode));
extern int ir1_reg_operand PARAMS ((rtx, enum machine_mode));
extern int ir1_mem_operand PARAMS ((rtx, enum machine_mode));
extern int group1_reg_operand PARAMS ((rtx, enum machine_mode));
extern int group1_mem_operand PARAMS ((rtx, enum machine_mode));
extern int arx_reg_operand PARAMS ((rtx, enum machine_mode));
extern int call_address_operand PARAMS ((rtx, enum machine_mode));
extern int par_ind_operand PARAMS ((rtx, enum machine_mode));
extern int not_rc_reg PARAMS ((rtx, enum machine_mode));
extern int not_modify_reg PARAMS ((rtx, enum machine_mode));
extern int c4x_shiftable_constant PARAMS ((rtx));
extern int c4x_H_constant PARAMS ((rtx));
extern int c4x_I_constant PARAMS ((rtx));
extern int c4x_J_constant PARAMS ((rtx));
extern int c4x_L_constant PARAMS ((rtx));
extern int c4x_Q_constraint PARAMS ((rtx));
extern int c4x_R_constraint PARAMS ((rtx));
extern int c4x_S_constraint PARAMS ((rtx));
extern int c4x_T_constraint PARAMS ((rtx));
extern int c4x_U_constraint PARAMS ((rtx));
extern void c4x_emit_libcall PARAMS ((rtx, enum rtx_code,
enum machine_mode,
enum machine_mode, int, rtx *));
extern void c4x_emit_libcall3 PARAMS ((rtx, enum rtx_code,
enum machine_mode, rtx *));
extern void c4x_emit_libcall_mulhi PARAMS ((rtx, enum rtx_code,
enum machine_mode, rtx *));
extern int c4x_emit_move_sequence PARAMS ((rtx *, enum machine_mode));
extern int legitimize_operands PARAMS ((enum rtx_code, rtx *,
enum machine_mode));
extern int valid_operands PARAMS ((enum rtx_code, rtx *, enum machine_mode));
extern int valid_parallel_load_store PARAMS ((rtx *, enum machine_mode));
extern int valid_parallel_operands_4 PARAMS ((rtx *, enum machine_mode));
extern int valid_parallel_operands_5 PARAMS ((rtx *, enum machine_mode));
extern int valid_parallel_operands_6 PARAMS ((rtx *, enum machine_mode));
extern rtx smulhi3_libfunc;
extern rtx umulhi3_libfunc;
extern rtx fix_truncqfhi2_libfunc;
extern rtx fixuns_truncqfhi2_libfunc;
extern rtx fix_trunchfhi2_libfunc;
extern rtx fixuns_trunchfhi2_libfunc;
extern rtx floathiqf2_libfunc;
extern rtx floatunshiqf2_libfunc;
extern rtx floathihf2_libfunc;
extern rtx floatunshihf2_libfunc;
extern struct rtx_def *c4x_compare_op0; /* Operand 0 for comparisons. */
extern struct rtx_def *c4x_compare_op1; /* Operand 1 for comparisons. */
#endif /* RTX_CODE */
/* Smallest class containing REGNO. */
extern enum reg_class c4x_regclass_map[];
extern enum machine_mode c4x_caller_save_map[];
extern int c4x_rpts_cycles; /* Max cycles for RPTS. */
extern int c4x_cpu_version; /* Cpu version C30/31/32/40/44. */
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