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jeremybenn |
/* Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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. */
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/* This file contains the definitions and documentation for the
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builtins defined in the AVR part of the GNU compiler.
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Befor including this file, define a macro
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DEF_BUILTIN(NAME, N_ARGS, ID, TYPE, ICODE)
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NAME: The name as visible by the user as a C string.
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ID: An integer to identify the built-in.
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N_ARGS: Number of input arguments. If special treatment is needed,
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set to -1 and handle it by hand, see avr.c:avr_expand_builtin().
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TYPE: A tree node describing the prototype of the built-in.
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ICODE: Insn code number for the insn attached to the built-in.
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If special treatment is needed to expand the built-in, set to -1.
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*/
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/* Mapped to respective instruction. */
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DEF_BUILTIN ("__builtin_avr_nop", -1, AVR_BUILTIN_NOP, void_ftype_void, -1)
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DEF_BUILTIN ("__builtin_avr_sei", 0, AVR_BUILTIN_SEI, void_ftype_void, CODE_FOR_enable_interrupt)
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DEF_BUILTIN ("__builtin_avr_cli", 0, AVR_BUILTIN_CLI, void_ftype_void, CODE_FOR_disable_interrupt)
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DEF_BUILTIN ("__builtin_avr_wdr", 0, AVR_BUILTIN_WDR, void_ftype_void, CODE_FOR_wdr)
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DEF_BUILTIN ("__builtin_avr_sleep", 0, AVR_BUILTIN_SLEEP, void_ftype_void, CODE_FOR_sleep)
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/* Mapped to respective instruction but might alse be folded away
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or emit as libgcc call if ISA does not provide the instruction. */
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DEF_BUILTIN ("__builtin_avr_swap", 1, AVR_BUILTIN_SWAP, uchar_ftype_uchar, CODE_FOR_rotlqi3_4)
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DEF_BUILTIN ("__builtin_avr_fmul", 2, AVR_BUILTIN_FMUL, uint_ftype_uchar_uchar, CODE_FOR_fmul)
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DEF_BUILTIN ("__builtin_avr_fmuls", 2, AVR_BUILTIN_FMULS, int_ftype_char_char, CODE_FOR_fmuls)
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DEF_BUILTIN ("__builtin_avr_fmulsu", 2, AVR_BUILTIN_FMULSU, int_ftype_char_uchar, CODE_FOR_fmulsu)
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/* More complex stuff that cannot be mapped 1:1 to an instruction. */
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DEF_BUILTIN ("__builtin_avr_delay_cycles", -1, AVR_BUILTIN_DELAY_CYCLES, void_ftype_ulong, -1)
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DEF_BUILTIN ("__builtin_avr_insert_bits", 3, AVR_BUILTIN_INSERT_BITS, uchar_ftype_ulong_uchar_uchar, CODE_FOR_insert_bits)
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