/* Definitions of target machine for GNU compiler, for IBM S/390.
- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Hartmut Penner (hpenner@de.ibm.com)
-This file is part of GNU CC.
+This file is part of GCC.
-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.
+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 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.
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING. If not, write to the Free
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
/* Declare functions in s390.c. */
-extern void optimization_options PARAMS ((int, int));
-extern void override_options PARAMS ((void));
-extern int s390_arg_frame_offset PARAMS ((void));
-extern void s390_emit_prologue PARAMS ((void));
-extern void s390_emit_epilogue PARAMS ((void));
-extern void s390_function_profiler PARAMS ((FILE *, int));
+extern void optimization_options (int, int);
+extern void override_options (void);
+extern bool s390_can_eliminate (int, int);
+extern HOST_WIDE_INT s390_initial_elimination_offset (int, int);
+extern void s390_emit_prologue (void);
+extern void s390_emit_epilogue (bool);
+extern void s390_function_profiler (FILE *, int);
+extern void s390_conditional_register_usage (void);
+extern void s390_set_has_landing_pad_p (bool);
+extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int);
#ifdef RTX_CODE
-extern int s390_address_cost PARAMS ((rtx));
-extern int q_constraint PARAMS ((rtx));
-extern int const0_operand PARAMS ((rtx, enum machine_mode));
-extern int consttable_operand PARAMS ((rtx, enum machine_mode));
-extern int larl_operand PARAMS ((rtx, enum machine_mode));
-extern int fp_operand PARAMS ((rtx, enum machine_mode));
-extern int s_operand PARAMS ((rtx, enum machine_mode));
-extern int s_imm_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 s390_single_hi PARAMS ((rtx, enum machine_mode, int));
-extern int s390_extract_hi PARAMS ((rtx, enum machine_mode, int));
-extern int s390_single_qi PARAMS ((rtx, enum machine_mode, int));
-extern int s390_extract_qi PARAMS ((rtx, enum machine_mode, int));
+extern int s390_extra_constraint_str (rtx, int, const char *);
+extern int s390_const_ok_for_constraint_p (HOST_WIDE_INT, int, const char *);
+extern int s390_const_double_ok_for_constraint_p (rtx, int, const char *);
+extern int s390_single_part (rtx, enum machine_mode, enum machine_mode, int);
+extern unsigned HOST_WIDE_INT s390_extract_part (rtx, enum machine_mode, int);
+extern bool s390_split_ok_p (rtx, rtx, enum machine_mode, int);
+extern bool s390_overlap_p (rtx, rtx, HOST_WIDE_INT);
+extern bool s390_offset_p (rtx, rtx, rtx);
+extern int tls_symbolic_operand (rtx);
-extern int s390_match_ccmode PARAMS ((rtx, enum machine_mode));
-extern enum machine_mode s390_tm_ccmode PARAMS ((rtx, rtx, int));
-extern enum machine_mode s390_select_ccmode PARAMS ((enum rtx_code, rtx, rtx));
-extern int symbolic_reference_mentioned_p PARAMS ((rtx));
-extern int legitimate_la_operand_p PARAMS ((rtx));
-extern int preferred_la_operand_p PARAMS ((rtx, int));
-extern int legitimate_pic_operand_p PARAMS ((rtx));
-extern int legitimate_constant_p PARAMS ((rtx));
-extern int legitimate_reload_constant_p PARAMS ((rtx));
-extern int legitimate_address_p PARAMS ((enum machine_mode, rtx, int));
-extern rtx legitimize_pic_address PARAMS ((rtx, rtx));
-extern rtx legitimize_address PARAMS ((rtx, rtx, enum machine_mode));
-extern enum reg_class s390_preferred_reload_class PARAMS ((rtx, enum reg_class));
-extern enum reg_class s390_secondary_input_reload_class PARAMS ((enum reg_class, enum machine_mode, rtx));
-extern int s390_plus_operand PARAMS ((rtx, enum machine_mode));
-extern void s390_expand_plus_operand PARAMS ((rtx, rtx, rtx));
-extern void emit_pic_move PARAMS ((rtx *, enum machine_mode));
-extern void s390_load_address PARAMS ((rtx, rtx));
-extern void s390_expand_movstr PARAMS ((rtx, rtx, rtx));
-extern void s390_expand_clrstr PARAMS ((rtx, rtx));
-extern void s390_expand_cmpstr PARAMS ((rtx, rtx, rtx, rtx));
+extern bool s390_match_ccmode (rtx, enum machine_mode);
+extern enum machine_mode s390_tm_ccmode (rtx, rtx, bool);
+extern enum machine_mode s390_select_ccmode (enum rtx_code, rtx, rtx);
+extern void s390_canonicalize_comparison (enum rtx_code *, rtx *, rtx *);
+extern rtx s390_emit_compare (enum rtx_code, rtx, rtx);
+extern void s390_emit_jump (rtx, rtx);
+extern bool symbolic_reference_mentioned_p (rtx);
+extern bool tls_symbolic_reference_mentioned_p (rtx);
+extern bool legitimate_la_operand_p (rtx);
+extern bool preferred_la_operand_p (rtx, rtx);
+extern int legitimate_pic_operand_p (rtx);
+extern int legitimate_constant_p (rtx);
+extern bool legitimate_reload_constant_p (rtx);
+extern bool legitimate_address_p (enum machine_mode, rtx, int);
+extern rtx legitimize_pic_address (rtx, rtx);
+extern rtx legitimize_address (rtx, rtx, enum machine_mode);
+extern rtx legitimize_reload_address (rtx, enum machine_mode, int, int);
+extern enum reg_class s390_preferred_reload_class (rtx, enum reg_class);
+extern enum reg_class s390_secondary_input_reload_class (enum reg_class,
+ enum machine_mode,
+ rtx);
+extern enum reg_class s390_secondary_output_reload_class (enum reg_class,
+ enum machine_mode,
+ rtx);
+extern void s390_expand_plus_operand (rtx, rtx, rtx);
+extern void emit_symbolic_move (rtx *);
+extern void s390_load_address (rtx, rtx);
+extern void s390_expand_movmem (rtx, rtx, rtx);
+extern void s390_expand_setmem (rtx, rtx, rtx);
+extern void s390_expand_cmpmem (rtx, rtx, rtx, rtx);
+extern bool s390_expand_addcc (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
+extern bool s390_expand_insv (rtx, rtx, rtx, rtx);
+extern rtx s390_return_addr_rtx (int, rtx);
+extern rtx s390_back_chain_rtx (void);
+extern rtx s390_emit_call (rtx, rtx, rtx, rtx);
+extern void s390_expand_logical_operator (enum rtx_code,
+ enum machine_mode, rtx *);
+extern bool s390_logical_operator_ok_p (rtx *);
+extern void s390_narrow_logical_operator (enum rtx_code, rtx *, rtx *);
+extern void s390_split_access_reg (rtx, rtx *, rtx *);
+
+extern bool s390_output_addr_const_extra (FILE*, rtx);
+extern void print_operand_address (FILE *, rtx);
+extern void print_operand (FILE *, rtx, int);
+extern void s390_output_constant_pool (rtx, rtx);
+extern void s390_output_pool_entry (rtx, enum machine_mode, unsigned int);
+extern void s390_trampoline_template (FILE *);
+extern void s390_initialize_trampoline (rtx, rtx, rtx);
+extern rtx s390_gen_rtx_const_DI (int, int);
+extern int s390_agen_dep_p (rtx, rtx);
+extern rtx s390_load_got (void);
+extern rtx s390_get_thread_pointer (void);
+extern void s390_emit_tpf_eh_return (rtx);
+extern bool s390_legitimate_address_without_index_p (rtx);
+extern bool s390_decompose_shift_count (rtx, rtx *, HOST_WIDE_INT *, int);
+extern int s390_branch_condition_mask (rtx);
-extern void s390_output_symbolic_const PARAMS ((FILE *, rtx));
-extern void print_operand_address PARAMS ((FILE *, rtx));
-extern void print_operand PARAMS ((FILE *, rtx, int));
-extern void s390_output_constant_pool PARAMS ((FILE *));
-extern void s390_trampoline_template PARAMS ((FILE *));
-extern void s390_initialize_trampoline PARAMS ((rtx, rtx, rtx));
-extern rtx s390_gen_rtx_const_DI PARAMS ((int, int));
-extern rtx s390_simplify_dwarf_addr PARAMS ((rtx));
-extern void s390_machine_dependent_reorg PARAMS ((rtx));
#endif /* RTX_CODE */
#ifdef TREE_CODE
-extern int s390_function_arg_pass_by_reference PARAMS ((enum machine_mode, tree));
-extern void s390_function_arg_advance PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
-extern tree s390_build_va_list PARAMS ((void));
+extern void s390_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
+ tree, int);
#ifdef RTX_CODE
-extern rtx s390_function_arg PARAMS ((CUMULATIVE_ARGS *, enum machine_mode, tree, int));
-extern void s390_va_start PARAMS ((tree, rtx));
-extern rtx s390_va_arg PARAMS ((tree, tree));
+extern rtx s390_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
+extern rtx s390_function_value (tree, enum machine_mode);
+extern void s390_va_start (tree, rtx);
#endif /* RTX_CODE */
#endif /* TREE_CODE */
-
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