s390-protos.h revision 1.1
1 /* Definitions of target machine for GNU compiler, for IBM S/390. 2 Copyright (C) 2000, 2002, 2003, 2004, 2005, 2007, 2008, 2009 3 Free Software Foundation, Inc. 4 5 Contributed by Hartmut Penner (hpenner (at) 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 HOST_WIDE_INT s390_initial_elimination_offset (int, int); 40 extern void s390_emit_prologue (void); 41 extern void s390_emit_epilogue (bool); 42 extern void s390_function_profiler (FILE *, int); 43 extern void s390_conditional_register_usage (void); 44 extern void s390_set_has_landing_pad_p (bool); 45 extern bool s390_hard_regno_mode_ok (unsigned int, enum machine_mode); 46 extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int); 47 extern bool s390_class_max_nregs (enum reg_class, enum machine_mode); 48 49 #ifdef RTX_CODE 50 extern int s390_extra_constraint_str (rtx, int, const char *); 51 extern int s390_const_ok_for_constraint_p (HOST_WIDE_INT, int, const char *); 52 extern int s390_const_double_ok_for_constraint_p (rtx, int, const char *); 53 extern int s390_single_part (rtx, enum machine_mode, enum machine_mode, int); 54 extern unsigned HOST_WIDE_INT s390_extract_part (rtx, enum machine_mode, int); 55 extern bool s390_contiguous_bitmask_p (unsigned HOST_WIDE_INT, int, int *, int *); 56 extern bool s390_split_ok_p (rtx, rtx, enum machine_mode, int); 57 extern bool s390_overlap_p (rtx, rtx, HOST_WIDE_INT); 58 extern bool s390_offset_p (rtx, rtx, rtx); 59 extern int tls_symbolic_operand (rtx); 60 61 extern bool s390_match_ccmode (rtx, enum machine_mode); 62 extern enum machine_mode s390_tm_ccmode (rtx, rtx, bool); 63 extern enum machine_mode s390_select_ccmode (enum rtx_code, rtx, rtx); 64 extern void s390_canonicalize_comparison (enum rtx_code *, rtx *, rtx *); 65 extern rtx s390_emit_compare (enum rtx_code, rtx, rtx); 66 extern void s390_emit_jump (rtx, rtx); 67 extern bool symbolic_reference_mentioned_p (rtx); 68 extern bool tls_symbolic_reference_mentioned_p (rtx); 69 extern bool legitimate_la_operand_p (rtx); 70 extern bool preferred_la_operand_p (rtx, rtx); 71 extern int legitimate_pic_operand_p (rtx); 72 extern int legitimate_constant_p (rtx); 73 extern bool legitimate_reload_constant_p (rtx); 74 extern rtx legitimize_pic_address (rtx, rtx); 75 extern rtx legitimize_reload_address (rtx, enum machine_mode, int, int); 76 extern enum reg_class s390_preferred_reload_class (rtx, enum reg_class); 77 extern enum reg_class s390_secondary_input_reload_class (enum reg_class, 78 enum machine_mode, 79 rtx); 80 extern enum reg_class s390_secondary_output_reload_class (enum reg_class, 81 enum machine_mode, 82 rtx); 83 extern void s390_reload_larl_operand (rtx , rtx , rtx); 84 extern void s390_reload_symref_address (rtx , rtx , rtx , bool); 85 extern void s390_expand_plus_operand (rtx, rtx, rtx); 86 extern void emit_symbolic_move (rtx *); 87 extern void s390_load_address (rtx, rtx); 88 extern void s390_expand_movmem (rtx, rtx, rtx); 89 extern void s390_expand_setmem (rtx, rtx, rtx); 90 extern void s390_expand_cmpmem (rtx, rtx, rtx, rtx); 91 extern bool s390_expand_addcc (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 92 extern bool s390_expand_insv (rtx, rtx, rtx, rtx); 93 extern void s390_expand_cs_hqi (enum machine_mode, rtx, rtx, rtx, rtx); 94 extern void s390_expand_atomic (enum machine_mode, enum rtx_code, 95 rtx, rtx, rtx, bool); 96 extern rtx s390_return_addr_rtx (int, rtx); 97 extern rtx s390_back_chain_rtx (void); 98 extern rtx s390_emit_call (rtx, rtx, rtx, rtx); 99 extern void s390_expand_logical_operator (enum rtx_code, 100 enum machine_mode, rtx *); 101 extern bool s390_logical_operator_ok_p (rtx *); 102 extern void s390_narrow_logical_operator (enum rtx_code, rtx *, rtx *); 103 extern void s390_split_access_reg (rtx, rtx *, rtx *); 104 105 extern bool s390_output_addr_const_extra (FILE*, rtx); 106 extern void print_operand_address (FILE *, rtx); 107 extern void print_operand (FILE *, rtx, int); 108 extern void s390_output_pool_entry (rtx, enum machine_mode, unsigned int); 109 extern int s390_agen_dep_p (rtx, rtx); 110 extern rtx s390_load_got (void); 111 extern rtx s390_get_thread_pointer (void); 112 extern void s390_emit_tpf_eh_return (rtx); 113 extern bool s390_legitimate_address_without_index_p (rtx); 114 extern bool s390_decompose_shift_count (rtx, rtx *, HOST_WIDE_INT *); 115 extern int s390_branch_condition_mask (rtx); 116 extern int s390_compare_and_branch_condition_mask (rtx); 117 118 #endif /* RTX_CODE */ 119 120 #ifdef TREE_CODE 121 extern void s390_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, 122 tree, int); 123 #ifdef RTX_CODE 124 extern rtx s390_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 125 extern rtx s390_function_value (const_tree, const_tree, enum machine_mode); 126 #endif /* RTX_CODE */ 127 #endif /* TREE_CODE */ 128
Indexes created Sun Jun 28 00:24:58 UTC 2026