1 /* Prototypes for exported functions defined in crx.c 2 Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 3 2002, 2003, 2004 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it 8 under the terms of the GNU General Public License as published 9 by the Free Software Foundation; either version 2, or (at your 10 option) any later version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 15 License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to 19 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 #ifndef GCC_CRX_PROTOS_H 23 #define GCC_CRX_PROTOS_H 24 25 26 /* Register usage. */ 27 extern enum reg_class crx_regno_reg_class (int); 28 extern int crx_hard_regno_mode_ok (int regno, enum machine_mode); 29 #ifdef RTX_CODE 30 extern enum reg_class crx_secondary_reload_class (enum reg_class, enum machine_mode, rtx); 31 #endif /* RTX_CODE */ 32 33 /* Passing function arguments. */ 34 extern int crx_function_arg_regno_p (int); 35 #ifdef TREE_CODE 36 extern void crx_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 37 #ifdef RTX_CODE 38 extern void crx_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx); 39 extern rtx crx_function_arg (struct cumulative_args *, enum machine_mode, tree, int); 40 #endif /* RTX_CODE */ 41 #endif /* TREE_CODE */ 42 43 #ifdef RTX_CODE 44 /* Addressing Modes. */ 45 struct crx_address 46 { 47 rtx base, index, disp, side_effect; 48 int scale; 49 }; 50 51 enum crx_addrtype 52 { 53 CRX_INVALID, CRX_REG_REL, CRX_POST_INC, CRX_SCALED_INDX, CRX_ABSOLUTE 54 }; 55 56 extern enum crx_addrtype crx_decompose_address (rtx addr, struct crx_address *out); 57 extern int crx_legitimate_address_p (enum machine_mode, rtx, int); 58 59 extern int crx_const_double_ok (rtx op); 60 61 /* Instruction output. */ 62 extern void crx_print_operand (FILE *, rtx, int); 63 extern void crx_print_operand_address (FILE *, rtx); 64 65 /* Misc functions called from crx.md. */ 66 extern rtx crx_expand_compare (enum rtx_code, enum machine_mode); 67 extern void crx_expand_branch (enum rtx_code, rtx); 68 extern void crx_expand_scond (enum rtx_code, rtx); 69 70 extern void crx_expand_movmem_single (rtx, rtx, rtx, rtx, rtx, unsigned HOST_WIDE_INT *); 71 extern int crx_expand_movmem (rtx, rtx, rtx, rtx); 72 #endif /* RTX_CODE */ 73 74 /* Routines to compute costs. */ 75 extern int crx_memory_move_cost (enum machine_mode, enum reg_class, int); 76 77 /* Prologue/Epilogue functions. */ 78 extern int crx_initial_elimination_offset (int, int); 79 extern char *crx_prepare_push_pop_string (int); 80 extern void crx_expand_prologue (void); 81 extern void crx_expand_epilogue (void); 82 83 84 /* Handling the "interrupt" attribute */ 85 extern int crx_interrupt_function_p (void); 86 87 #endif /* GCC_CRX_PROTOS_H */ 88