1 /* Prototypes for exported functions defined in picochip.c
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).
8 This file is part of GCC.
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)
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.
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/>. */
25 extern void picochip_function_prologue (FILE *, HOST_WIDE_INT);
26 extern void picochip_function_epilogue (FILE *, HOST_WIDE_INT);
28 extern enum reg_class picochip_reg_class_from_letter (unsigned);
29 extern int picochip_legitimate_address_p (int, struct rtx_def *, unsigned);
30 extern int picochip_const_ok_for_letter_p (unsigned HOST_WIDE_INT value, unsigned c);
32 #ifdef RTX_CODE /* inside TREE_CODE */
34 extern int picochip_reg_mode_ok_for_base_p (int mode, rtx x, unsigned strict);
35 extern void picochip_print_operand (FILE * file, rtx op, int letter);
36 extern void picochip_print_operand_address (FILE * file, rtx operand);
38 extern const char *picochip_output_cbranch (rtx operands[]);
39 extern const char *picochip_output_branch (rtx operands[], rtx insn);
40 extern const char *picochip_output_compare (rtx operands[]);
41 extern const char *picochip_output_jump (rtx insn);
43 extern const char *picochip_output_put_array (int alternative,
45 extern const char *picochip_output_get_array (int alternative,
47 extern const char *picochip_output_testport_array (int alternative,
50 extern rtx gen_SImode_mem(rtx opnd1,rtx opnd2);
51 extern bool ok_to_peephole_stw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
52 extern bool ok_to_peephole_ldw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
54 extern rtx gen_min_reg(rtx opnd1,rtx opnd2);
56 extern rtx picochip_function_arg (CUMULATIVE_ARGS cum, int mode, tree type,
59 extern rtx picochip_incoming_function_arg (CUMULATIVE_ARGS, int, tree, int);
60 extern CUMULATIVE_ARGS picochip_arg_advance (CUMULATIVE_ARGS cum, int mode,
61 tree type, int named);
63 extern int picochip_regno_nregs (int regno, int mode);
64 extern int picochip_class_max_nregs (int class, int mode);
66 extern void picochip_order_regs_for_local_alloc (void);
68 extern int picochip_word_aligned_memory_reference (rtx operand);
69 extern int picochip_alignable_memory_operand (rtx operand, enum machine_mode mode);
70 extern int picochip_absolute_memory_operand (rtx op, enum machine_mode mode);
72 extern rtx picochip_function_value (const_tree valtype, const_tree func, bool outgoing);
73 extern int picochip_symbol_offset (rtx operand);
75 extern int picochip_get_function_arg_boundary (enum machine_mode mode);
77 extern enum reg_class picochip_secondary_reload(bool in_p,
80 enum machine_mode mode,
81 secondary_reload_info *sri);
83 extern void picochip_get_hi_aligned_mem (rtx ref, rtx * paligned_mem, rtx * pbitnum);
85 extern rtx picochip_get_low_const (rtx value);
86 extern rtx picochip_get_high_const (rtx value);
88 extern void picochip_expand_prologue (void);
89 extern void picochip_expand_epilogue (int is_sibling_call);
91 extern void picochip_final_prescan_insn (rtx insn, rtx * operand, int num_operands);
92 extern const char *picochip_asm_output_opcode (FILE * f, const char *ptr);
93 extern void picochip_override_options (void);
95 extern int picochip_check_conditional_copy (rtx * operands);
97 extern rtx picochip_return_addr_rtx(int count, rtx frameaddr);
98 extern rtx picochip_struct_value_rtx(tree fntype ATTRIBUTE_UNUSED,
99 int incoming ATTRIBUTE_UNUSED);
101 #endif /* RTX_CODE inside TREE_CODE */
103 void picochip_output_ascii (FILE * file, const char *str, int length);
105 extern int picochip_hard_regno_mode_ok (int regno, enum machine_mode mode);
106 extern void picochip_generate_internal_label (char *str, const char *prefix,
109 extern bool picochip_return_in_memory(const_tree type,
110 const_tree fntype ATTRIBUTE_UNUSED);
112 extern int initial_elimination_offset (int from, int to);
114 extern void picochip_output_aligned_common (FILE * stream, const char *name,
115 unsigned size, unsigned align);
117 extern void picochip_output_global (FILE * stream, const char *name);
119 extern void picochip_output_aligned_local (FILE * stream, const char *name,
120 unsigned size, unsigned alignment);
122 extern void picochip_output_label (FILE * stream, const char name[]);
123 extern void picochip_output_labelref (FILE * stream, const char name[]);
124 extern void picochip_weaken_label (FILE * stream, const char name[]);
125 extern void picochip_output_internal_label (FILE * stream, const char *prefix,
128 extern void warn_of_byte_access (void);
130 /* True if VLIW scheduling is enabled (i.e., second scheduling pass). */
131 extern int picochip_flag_schedule_insns2;
133 extern void picochip_asm_output_anchor (rtx symbol);
135 /* Instruction set capability flags. These are initialised to the
136 appropriate values by picochip_override_options, once the user has
137 selected a CPU type. */
138 extern bool picochip_has_mul_unit;
139 extern bool picochip_has_mac_unit;