/* Definitions of target machine for GNU compiler, for IBM S/390. Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. Contributed by Hartmut Penner (hpenner@de.ibm.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 . */ /* Prototypes of functions used for constraint evaluation in constraints.c. */ extern int s390_mem_constraint (const char *str, rtx op); extern int s390_O_constraint_str (const char c, HOST_WIDE_INT value); extern int s390_N_constraint_str (const char *str, HOST_WIDE_INT value); extern int s390_float_const_zero_p (rtx value); /* Declare functions in s390.c. */ 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_mode_ok (unsigned int, enum machine_mode); extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int); extern bool s390_class_max_nregs (enum reg_class, enum machine_mode); #ifdef RTX_CODE 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 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 void s390_expand_cs_hqi (enum machine_mode, rtx, rtx, rtx, rtx); extern void s390_expand_atomic (enum machine_mode, enum rtx_code, rtx, rtx, rtx, bool); 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_pool_entry (rtx, enum machine_mode, unsigned int); extern void s390_trampoline_template (FILE *); extern void s390_initialize_trampoline (rtx, rtx, rtx); 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 *); extern int s390_branch_condition_mask (rtx); #endif /* RTX_CODE */ #ifdef TREE_CODE extern void s390_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int); #ifdef RTX_CODE 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 */