gcc/config/s390/s390-protos.h

   1 /* Definitions of target machine for GNU compiler, for IBM S/390.
   2    Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008 Free
   3    Software Foundation, Inc.
   4
   5    Contributed by Hartmut Penner (hpenner@de.ibm.com)
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify it under
  10 the terms of the GNU General Public License as published by the Free
  11 Software Foundation; either version 3, or (at your option) any later
  12 version.
  13
  14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  16 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  17 for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with GCC; see the file COPYING3.  If not see
  21 <http://www.gnu.org/licenses/>.  */
  22
  23
  24
  25 /* Prototypes of functions used for constraint evaluation in
  26    constraints.c.  */
  27
  28 extern int s390_mem_constraint (const char *str, rtx op);
  29 extern int s390_O_constraint_str (const char c, HOST_WIDE_INT value);
  30 extern int s390_N_constraint_str (const char *str, HOST_WIDE_INT value);
  31 extern int s390_float_const_zero_p (rtx value);
  32 extern bool s390_check_symref_alignment (rtx addr, HOST_WIDE_INT alignment);
  33
  34
  35 /* Declare functions in s390.c.  */
  36
  37 extern void optimization_options (int, int);
  38 extern void override_options (void);
  39 extern bool s390_can_eliminate (int, int);
  40 extern HOST_WIDE_INT s390_initial_elimination_offset (int, int);
  41 extern void s390_emit_prologue (void);
  42 extern void s390_emit_epilogue (bool);
  43 extern void s390_function_profiler (FILE *, int);
  44 extern void s390_conditional_register_usage (void);
  45 extern void s390_set_has_landing_pad_p (bool);
  46 extern bool s390_hard_regno_mode_ok (unsigned int, enum machine_mode);
  47 extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int);
  48 extern bool s390_class_max_nregs (enum reg_class, enum machine_mode);
  49
  50 #ifdef RTX_CODE
  51 extern int s390_extra_constraint_str (rtx, int, const char *);
  52 extern int s390_const_ok_for_constraint_p (HOST_WIDE_INT, int, const char *);
  53 extern int s390_const_double_ok_for_constraint_p (rtx, int, const char *);
  54 extern int s390_single_part (rtx, enum machine_mode, enum machine_mode, int);
  55 extern unsigned HOST_WIDE_INT s390_extract_part (rtx, enum machine_mode, int);
  56 extern bool s390_contiguous_bitmask_p (unsigned HOST_WIDE_INT, int, int *, int *);
  57 extern bool s390_split_ok_p (rtx, rtx, enum machine_mode, int);
  58 extern bool s390_overlap_p (rtx, rtx, HOST_WIDE_INT);
  59 extern bool s390_offset_p (rtx, rtx, rtx);
  60 extern int tls_symbolic_operand (rtx);
  61
  62 extern bool s390_match_ccmode (rtx, enum machine_mode);
  63 extern enum machine_mode s390_tm_ccmode (rtx, rtx, bool);
  64 extern enum machine_mode s390_select_ccmode (enum rtx_code, rtx, rtx);
  65 extern void s390_canonicalize_comparison (enum rtx_code *, rtx *, rtx *);
  66 extern rtx s390_emit_compare (enum rtx_code, rtx, rtx);
  67 extern void s390_emit_jump (rtx, rtx);
  68 extern bool symbolic_reference_mentioned_p (rtx);
  69 extern bool tls_symbolic_reference_mentioned_p (rtx);
  70 extern bool legitimate_la_operand_p (rtx);
  71 extern bool preferred_la_operand_p (rtx, rtx);
  72 extern int legitimate_pic_operand_p (rtx);
  73 extern int legitimate_constant_p (rtx);
  74 extern bool legitimate_reload_constant_p (rtx);
  75 extern bool legitimate_address_p (enum machine_mode, rtx, int);
  76 extern rtx legitimize_pic_address (rtx, rtx);
  77 extern rtx legitimize_address (rtx, rtx, enum machine_mode);
  78 extern rtx legitimize_reload_address (rtx, enum machine_mode, int, int);
  79 extern enum reg_class s390_preferred_reload_class (rtx, enum reg_class);
  80 extern enum reg_class s390_secondary_input_reload_class (enum reg_class,
  81                                                          enum machine_mode,
  82                                                          rtx);
  83 extern enum reg_class s390_secondary_output_reload_class (enum reg_class,
  84                                                           enum machine_mode,
  85                                                           rtx);
  86 extern void s390_reload_larl_operand (rtx , rtx , rtx);
  87 extern void s390_reload_symref_address (rtx , rtx , rtx , bool);
  88 extern void s390_expand_plus_operand (rtx, rtx, rtx);
  89 extern void emit_symbolic_move (rtx *);
  90 extern void s390_load_address (rtx, rtx);
  91 extern void s390_expand_movmem (rtx, rtx, rtx);
  92 extern void s390_expand_setmem (rtx, rtx, rtx);
  93 extern void s390_expand_cmpmem (rtx, rtx, rtx, rtx);
  94 extern bool s390_expand_addcc (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
  95 extern bool s390_expand_insv (rtx, rtx, rtx, rtx);
  96 extern void s390_expand_cs_hqi (enum machine_mode, rtx, rtx, rtx, rtx);
  97 extern void s390_expand_atomic (enum machine_mode, enum rtx_code,
  98                                 rtx, rtx, rtx, bool);
  99 extern rtx s390_return_addr_rtx (int, rtx);
 100 extern rtx s390_back_chain_rtx (void);
 101 extern rtx s390_emit_call (rtx, rtx, rtx, rtx);
 102 extern void s390_expand_logical_operator (enum rtx_code,
 103                                           enum machine_mode, rtx *);
 104 extern bool s390_logical_operator_ok_p (rtx *);
 105 extern void s390_narrow_logical_operator (enum rtx_code, rtx *, rtx *);
 106 extern void s390_split_access_reg (rtx, rtx *, rtx *);
 107
 108 extern bool s390_output_addr_const_extra (FILE*, rtx);
 109 extern void print_operand_address (FILE *, rtx);
 110 extern void print_operand (FILE *, rtx, int);
 111 extern void s390_output_pool_entry (rtx, enum machine_mode, unsigned int);
 112 extern void s390_trampoline_template (FILE *);
 113 extern void s390_initialize_trampoline (rtx, rtx, rtx);
 114 extern int s390_agen_dep_p (rtx, rtx);
 115 extern rtx s390_load_got (void);
 116 extern rtx s390_get_thread_pointer (void);
 117 extern void s390_emit_tpf_eh_return (rtx);
 118 extern bool s390_legitimate_address_without_index_p (rtx);
 119 extern bool s390_decompose_shift_count (rtx, rtx *, HOST_WIDE_INT *);
 120 extern int s390_branch_condition_mask (rtx);
 121 extern int s390_compare_and_branch_condition_mask (rtx);
 122
 123 #endif /* RTX_CODE */
 124
 125 #ifdef TREE_CODE
 126 extern void s390_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
 127                                        tree, int);
 128 #ifdef RTX_CODE
 129 extern rtx s390_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 130 extern rtx s390_function_value (const_tree, enum machine_mode);
 131 #endif /* RTX_CODE */
 132 #endif /* TREE_CODE */