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/* Definitions of target machine for GNU compiler, for IBM S/390.
Copyright (C) 2000 Free Software Foundation, Inc.
Contributed by Hartmut Penner (hpenner@de.ibm.com)
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. */
/* Declare functions in s390.c and linux.c */
#ifdef RTX_CODE
#ifdef TREE_CODE
extern void init_cumulative_args PARAMS ((CUMULATIVE_ARGS *, tree, rtx, int));
extern void s390_va_start PARAMS ((int, tree, rtx));
#endif /* TREE_CODE */
extern int fp_operand PARAMS ((rtx, enum machine_mode));
extern int s_operand PARAMS ((rtx, enum machine_mode));
extern int larl_operand PARAMS ((rtx, enum machine_mode));
extern int r_or_im8_operand PARAMS ((rtx, enum machine_mode));
extern int r_or_s_operand PARAMS ((rtx, enum machine_mode));
extern int r_or_s_or_im8_operand PARAMS ((rtx, enum machine_mode));
extern int r_or_x_or_im16_operand PARAMS ((rtx, enum machine_mode));
extern int bras_sym_operand PARAMS ((rtx, enum machine_mode));
extern int load_multiple_operation PARAMS ((rtx, enum machine_mode));
extern int store_multiple_operation PARAMS ((rtx, enum machine_mode));
extern int dead_p PARAMS ((rtx, rtx));
extern void print_operand PARAMS ((FILE *, rtx, char));
extern void print_operand_address PARAMS ((FILE *, rtx));
extern int legitimate_pic_operand_p PARAMS ((rtx));
extern int legitimate_constant_p PARAMS ((rtx));
extern int unsigned_comparison_operator PARAMS ((rtx));
extern int unsigned_jump_follows_p PARAMS ((rtx));
extern void update_cc PARAMS ((rtx, rtx));
extern void s390_initialize_trampoline PARAMS ((rtx, rtx, rtx));
extern void s390_output_symbolic_const PARAMS ((FILE *, rtx));
extern int s390_adjust_cost PARAMS ((rtx, rtx, rtx, int));
extern int s390_stop_dump_lit_p PARAMS ((rtx));
extern void s390_dump_literal_pool PARAMS ((rtx, rtx));
extern void s390_expand_eh_epilogue PARAMS ((rtx, rtx, rtx));
extern void s390_asm_output_external_libcall PARAMS ((FILE *, rtx));
#endif /* RTX_CODE */
#ifdef TREE_CODE
extern void s390_function_arg_advance PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode,
tree, int));
extern struct rtx_def *s390_function_arg PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode, tree, int));
extern int s390_function_arg_partial_nregs PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode, tree, int));
extern int s390_function_arg_pass_by_reference PARAMS ((enum machine_mode, tree));
extern void setup_incoming_varargs PARAMS ((CUMULATIVE_ARGS *,
enum machine_mode, tree,
int *, int));
extern struct rtx_def *s390_va_arg PARAMS ((tree, tree));
extern union tree_node *s390_build_va_list PARAMS ((void));
extern void s390_asm_output_pool_prologue PARAMS ((FILE *, char *, tree, int));
extern void encode_section_info PARAMS ((tree));
#endif /* TREE_CODE */
extern void s390_trampoline_template PARAMS ((FILE *));
extern void s390_function_prologue PARAMS ((FILE *, HOST_WIDE_INT));
extern void s390_function_epilogue PARAMS ((FILE *, HOST_WIDE_INT));
extern void s390_final_chunkify PARAMS ((int));
extern int s390_arg_frame_offset PARAMS ((void));
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