s390-protos.h revision 1.3
1 /* Definitions of target machine for GNU compiler, for IBM S/390. 2 Copyright (C) 2000-2013 Free Software Foundation, Inc. 3 4 Contributed by Hartmut Penner (hpenner (at) de.ibm.com) 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 23 24 /* Prototypes of functions used for constraint evaluation in 25 constraints.c. */ 26 27 extern int s390_mem_constraint (const char *str, rtx op); 28 extern int s390_O_constraint_str (const char c, HOST_WIDE_INT value); 29 extern int s390_N_constraint_str (const char *str, HOST_WIDE_INT value); 30 extern int s390_float_const_zero_p (rtx value); 31 extern bool s390_check_symref_alignment (rtx addr, HOST_WIDE_INT alignment); 32 33 34 /* Declare functions in s390.c. */ 35 36 extern HOST_WIDE_INT s390_initial_elimination_offset (int, int); 37 extern void s390_emit_prologue (void); 38 extern void s390_emit_epilogue (bool); 39 extern void s390_function_profiler (FILE *, int); 40 extern void s390_set_has_landing_pad_p (bool); 41 extern bool s390_hard_regno_mode_ok (unsigned int, enum machine_mode); 42 extern bool s390_hard_regno_rename_ok (unsigned int, unsigned int); 43 extern int s390_class_max_nregs (enum reg_class, enum machine_mode); 44 45 #ifdef RTX_CODE 46 extern int s390_extra_constraint_str (rtx, int, const char *); 47 extern int s390_const_ok_for_constraint_p (HOST_WIDE_INT, int, const char *); 48 extern int s390_const_double_ok_for_constraint_p (rtx, int, const char *); 49 extern int s390_single_part (rtx, enum machine_mode, enum machine_mode, int); 50 extern unsigned HOST_WIDE_INT s390_extract_part (rtx, enum machine_mode, int); 51 extern bool s390_contiguous_bitmask_p (unsigned HOST_WIDE_INT, int, int *, int *); 52 extern bool s390_split_ok_p (rtx, rtx, enum machine_mode, int); 53 extern bool s390_overlap_p (rtx, rtx, HOST_WIDE_INT); 54 extern bool s390_offset_p (rtx, rtx, rtx); 55 extern int tls_symbolic_operand (rtx); 56 57 extern bool s390_match_ccmode (rtx, enum machine_mode); 58 extern enum machine_mode s390_tm_ccmode (rtx, rtx, bool); 59 extern enum machine_mode s390_select_ccmode (enum rtx_code, rtx, rtx); 60 extern rtx s390_emit_compare (enum rtx_code, rtx, rtx); 61 extern rtx s390_emit_jump (rtx, rtx); 62 extern bool symbolic_reference_mentioned_p (rtx); 63 extern bool tls_symbolic_reference_mentioned_p (rtx); 64 extern bool legitimate_la_operand_p (rtx); 65 extern bool preferred_la_operand_p (rtx, rtx); 66 extern int legitimate_pic_operand_p (rtx); 67 extern bool legitimate_reload_constant_p (rtx); 68 extern rtx legitimize_pic_address (rtx, rtx); 69 extern rtx legitimize_reload_address (rtx, enum machine_mode, int, int); 70 extern enum reg_class s390_secondary_input_reload_class (enum reg_class, 71 enum machine_mode, 72 rtx); 73 extern enum reg_class s390_secondary_output_reload_class (enum reg_class, 74 enum machine_mode, 75 rtx); 76 extern void s390_reload_larl_operand (rtx , rtx , rtx); 77 extern void s390_reload_symref_address (rtx , rtx , rtx , bool); 78 extern void s390_expand_plus_operand (rtx, rtx, rtx); 79 extern void emit_symbolic_move (rtx *); 80 extern void s390_load_address (rtx, rtx); 81 extern bool s390_expand_movmem (rtx, rtx, rtx); 82 extern void s390_expand_setmem (rtx, rtx, rtx); 83 extern bool s390_expand_cmpmem (rtx, rtx, rtx, rtx); 84 extern bool s390_expand_addcc (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 85 extern bool s390_expand_insv (rtx, rtx, rtx, rtx); 86 extern void s390_expand_cs_hqi (enum machine_mode, rtx, rtx, rtx, 87 rtx, rtx, bool); 88 extern void s390_expand_atomic (enum machine_mode, enum rtx_code, 89 rtx, rtx, rtx, bool); 90 extern void s390_expand_tbegin (rtx, rtx, rtx, bool); 91 extern rtx s390_return_addr_rtx (int, rtx); 92 extern rtx s390_back_chain_rtx (void); 93 extern rtx s390_emit_call (rtx, rtx, rtx, rtx); 94 extern void s390_expand_logical_operator (enum rtx_code, 95 enum machine_mode, rtx *); 96 extern bool s390_logical_operator_ok_p (rtx *); 97 extern void s390_narrow_logical_operator (enum rtx_code, rtx *, rtx *); 98 extern void s390_split_access_reg (rtx, rtx *, rtx *); 99 100 extern void print_operand_address (FILE *, rtx); 101 extern void print_operand (FILE *, rtx, int); 102 extern void s390_output_pool_entry (rtx, enum machine_mode, unsigned int); 103 extern int s390_label_align (rtx); 104 extern int s390_agen_dep_p (rtx, rtx); 105 extern rtx s390_load_got (void); 106 extern rtx s390_get_thread_pointer (void); 107 extern void s390_emit_tpf_eh_return (rtx); 108 extern bool s390_legitimate_address_without_index_p (rtx); 109 extern bool s390_decompose_shift_count (rtx, rtx *, HOST_WIDE_INT *); 110 extern int s390_branch_condition_mask (rtx); 111 extern int s390_compare_and_branch_condition_mask (rtx); 112 extern bool s390_extzv_shift_ok (int, int, unsigned HOST_WIDE_INT); 113 extern void s390_asm_output_function_label (FILE *, const char *, tree); 114 115 #endif /* RTX_CODE */ 116
Indexes created Sun Jun 28 00:24:58 UTC 2026