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/* Prototypes for exported functions defined in picochip.c
Copyright (C) 2000, 2001, 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by Picochip Ltd. (http://www.picochip.com)
Maintained by Daniel Towner (daniel.towner@picochip.com) and
Hariharan Sandanagobalane (hariharan@picochip.com).
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not, see
<http://www.gnu.org/licenses/>. */
extern void picochip_function_prologue (FILE *, HOST_WIDE_INT);
extern void picochip_function_epilogue (FILE *, HOST_WIDE_INT);
extern enum reg_class picochip_reg_class_from_letter (unsigned);
extern int picochip_const_ok_for_letter_p (unsigned HOST_WIDE_INT value, unsigned c);
#ifdef RTX_CODE /* inside TREE_CODE */
extern int picochip_reg_mode_ok_for_base_p (int mode, rtx x, unsigned strict);
extern void picochip_print_operand (FILE * file, rtx op, int letter);
extern void picochip_print_operand_address (FILE * file, rtx operand);
extern const char *picochip_output_cbranch (rtx operands[]);
extern const char *picochip_output_branch (rtx operands[], rtx insn);
extern const char *picochip_output_compare (rtx operands[]);
extern const char *picochip_output_jump (rtx insn);
extern const char *picochip_output_put_array (int alternative,
rtx operands[]);
extern const char *picochip_output_get_array (int alternative,
rtx operands[]);
extern const char *picochip_output_testport_array (int alternative,
rtx operands[]);
extern int picochip_expand_movmemhi (rtx *operands);
extern rtx gen_SImode_mem(rtx opnd1,rtx opnd2);
extern bool ok_to_peephole_stw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
extern bool ok_to_peephole_ldw(rtx opnd0, rtx opnd1, rtx opnd2, rtx opnd3);
extern rtx gen_min_reg(rtx opnd1,rtx opnd2);
extern int picochip_regno_nregs (int regno, int mode);
extern int picochip_class_max_nregs (int klass, int mode);
extern void picochip_order_regs_for_local_alloc (void);
extern int picochip_word_aligned_memory_reference (rtx operand);
extern int picochip_alignable_memory_operand (rtx operand, enum machine_mode mode);
extern int picochip_absolute_memory_operand (rtx op, enum machine_mode mode);
extern rtx picochip_function_value (const_tree valtype, const_tree func, bool outgoing);
extern int picochip_symbol_offset (rtx operand);
extern void picochip_get_hi_aligned_mem (rtx ref, rtx * paligned_mem, rtx * pbitnum);
extern rtx picochip_get_low_const (rtx value);
extern rtx picochip_get_high_const (rtx value);
extern void picochip_expand_prologue (void);
extern void picochip_expand_epilogue (int is_sibling_call);
extern void picochip_final_prescan_insn (rtx insn, rtx * operand, int num_operands);
extern const char *picochip_asm_output_opcode (FILE * f, const char *ptr);
extern int picochip_check_conditional_copy (rtx * operands);
extern rtx picochip_return_addr_rtx(int count, rtx frameaddr);
extern rtx picochip_struct_value_rtx(tree fntype ATTRIBUTE_UNUSED,
int incoming ATTRIBUTE_UNUSED);
#endif /* RTX_CODE inside TREE_CODE */
extern int picochip_legitimize_reload_address (rtx *x, enum machine_mode mode,
int opnum, int type, int ind_levels);
void picochip_output_ascii (FILE * file, const char *str, int length);
extern int picochip_hard_regno_mode_ok (int regno, enum machine_mode mode);
extern void picochip_generate_internal_label (char *str, const char *prefix,
long num);
extern bool picochip_return_in_memory(const_tree type,
const_tree fntype ATTRIBUTE_UNUSED);
extern int initial_elimination_offset (int from, int to);
extern void picochip_output_aligned_common (FILE * stream, const char *name,
unsigned size, unsigned align);
extern void picochip_output_global (FILE * stream, const char *name);
extern void picochip_output_aligned_local (FILE * stream, const char *name,
unsigned size, unsigned alignment);
extern void picochip_output_label (FILE * stream, const char name[]);
extern void picochip_output_labelref (FILE * stream, const char name[]);
extern void picochip_weaken_label (FILE * stream, const char name[]);
extern void picochip_output_internal_label (FILE * stream, const char *prefix,
unsigned long num);
extern void warn_of_byte_access (void);
/* True if VLIW scheduling is enabled (i.e., second scheduling pass). */
extern int picochip_flag_schedule_insns2;
extern void picochip_asm_output_anchor (rtx symbol);
/* Instruction set capability flags. These are initialised to the
appropriate values by picochip_option_override, once the user has
selected a CPU type. */
extern bool picochip_has_mul_unit;
extern bool picochip_has_mac_unit;
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