gcc/config/picochip/picochip-protos.h

   1 /* Prototypes for exported functions defined in picochip.c
   2
   3    Copyright (C) 2000, 2001, 2008 Free Software Foundation, Inc.
   4    Contributed by picoChip Designs Ltd. (http://www.picochip.com)
   5    Maintained by Daniel Towner (daniel.towner@picochip.com) and
   6    Hariharan Sandanagobalane (hariharan@picochip.com).
   7
   8    This file is part of GCC.
   9
  10    GCC is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3, or (at your option)
  13    any later version.
  14
  15    GCC is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GCC; see the file COPYING3.  If not, see
  22    <http://www.gnu.org/licenses/>. */
  23
  24 #include "target.h"
  25 extern void picochip_function_prologue (FILE *, HOST_WIDE_INT);
  26 extern void picochip_function_epilogue (FILE *, HOST_WIDE_INT);
  27
  28 extern enum reg_class picochip_reg_class_from_letter (unsigned);
  29 extern int picochip_const_ok_for_letter_p (unsigned HOST_WIDE_INT value, unsigned c);
  30
  31 #ifdef RTX_CODE                 /* inside TREE_CODE */
  32
  33 extern int picochip_reg_mode_ok_for_base_p (int mode, rtx x, unsigned strict);
  34 extern void picochip_print_operand (FILE * file, rtx op, int letter);
  35 extern void picochip_print_operand_address (FILE * file, rtx operand);
  36
  37 extern const char *picochip_output_cbranch (rtx operands[]);
  38 extern const char *picochip_output_branch (rtx operands[], rtx insn);
  39 extern const char *picochip_output_compare (rtx operands[]);
  40 extern const char *picochip_output_jump (rtx insn);
  41
  42 extern const char *picochip_output_put_array (int alternative,
  43                                               rtx operands[]);
  44 extern const char *picochip_output_get_array (int alternative,
  45                                               rtx operands[]);
  46 extern const char *picochip_output_testport_array (int alternative,
  47                                                    rtx operands[]);
  48
  49 extern int picochip_expand_movmemhi (rtx *operands);
  50
  51 extern rtx gen_SImode_mem(rtx opnd1,rtx opnd2);
  52 extern bool ok_to_peephole_stw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
  53 extern bool ok_to_peephole_ldw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
  54
  55 extern rtx gen_min_reg(rtx opnd1,rtx opnd2);
  56
  57 extern rtx picochip_function_arg (CUMULATIVE_ARGS cum, int mode, tree type,
  58                            int named);
  59
  60 extern rtx picochip_incoming_function_arg (CUMULATIVE_ARGS, int, tree, int);
  61 extern CUMULATIVE_ARGS picochip_arg_advance (CUMULATIVE_ARGS cum, int mode,
  62                                       tree type, int named);
  63
  64 extern int picochip_regno_nregs (int regno, int mode);
  65 extern int picochip_class_max_nregs (int klass, int mode);
  66
  67 extern void picochip_order_regs_for_local_alloc (void);
  68
  69 extern int picochip_word_aligned_memory_reference (rtx operand);
  70 extern int picochip_alignable_memory_operand (rtx operand, enum machine_mode mode);
  71 extern int picochip_absolute_memory_operand (rtx op, enum machine_mode mode);
  72
  73 extern rtx picochip_function_value (const_tree valtype, const_tree func, bool outgoing);
  74 extern int picochip_symbol_offset (rtx operand);
  75
  76 extern int picochip_get_function_arg_boundary (enum machine_mode mode);
  77
  78 extern reg_class_t picochip_secondary_reload(bool in_p,
  79                                  rtx x,
  80                                  reg_class_t cla,
  81                                  enum machine_mode mode,
  82                                  secondary_reload_info *sri);
  83
  84 extern void picochip_get_hi_aligned_mem (rtx ref, rtx * paligned_mem, rtx * pbitnum);
  85
  86 extern rtx picochip_get_low_const (rtx value);
  87 extern rtx picochip_get_high_const (rtx value);
  88
  89 extern void picochip_expand_prologue (void);
  90 extern void picochip_expand_epilogue (int is_sibling_call);
  91
  92 extern void picochip_final_prescan_insn (rtx insn, rtx * operand, int num_operands);
  93 extern const char *picochip_asm_output_opcode (FILE * f, const char *ptr);
  94 extern void picochip_override_options (void);
  95
  96 extern int picochip_check_conditional_copy (rtx * operands);
  97
  98 extern rtx picochip_return_addr_rtx(int count, rtx frameaddr);
  99 extern rtx picochip_struct_value_rtx(tree fntype ATTRIBUTE_UNUSED,
 100                               int incoming ATTRIBUTE_UNUSED);
 101
 102 #endif /* RTX_CODE inside TREE_CODE */
 103
 104 extern int picochip_legitimize_reload_address (rtx *x, enum machine_mode mode,
 105                                         int opnum, int type, int ind_levels);
 106
 107
 108 void picochip_output_ascii (FILE * file, const char *str, int length);
 109
 110 extern int picochip_hard_regno_mode_ok (int regno, enum machine_mode mode);
 111 extern void picochip_generate_internal_label (char *str, const char *prefix,
 112                                               long num);
 113
 114 extern bool picochip_return_in_memory(const_tree type,
 115                                       const_tree fntype ATTRIBUTE_UNUSED);
 116
 117 extern int initial_elimination_offset (int from, int to);
 118
 119 extern void picochip_output_aligned_common (FILE * stream, const char *name,
 120                                             unsigned size, unsigned align);
 121
 122 extern void picochip_output_global (FILE * stream, const char *name);
 123
 124 extern void picochip_output_aligned_local (FILE * stream, const char *name,
 125                                            unsigned size, unsigned alignment);
 126
 127 extern void picochip_output_label (FILE * stream, const char name[]);
 128 extern void picochip_output_labelref (FILE * stream, const char name[]);
 129 extern void picochip_weaken_label (FILE * stream, const char name[]);
 130 extern void picochip_output_internal_label (FILE * stream, const char *prefix,
 131                                      unsigned long num);
 132
 133 extern void warn_of_byte_access (void);
 134
 135 /* True if VLIW scheduling is enabled (i.e., second scheduling pass). */
 136 extern int picochip_flag_schedule_insns2;
 137
 138 extern void picochip_asm_output_anchor (rtx symbol);
 139
 140 /* Instruction set capability flags.  These are initialised to the
 141    appropriate values by picochip_override_options, once the user has
 142    selected a CPU type. */
 143 extern bool picochip_has_mul_unit;
 144 extern bool picochip_has_mac_unit;
 145