genflags.cc File Reference

#include "bconfig.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "rtl.h"
#include "obstack.h"
#include "errors.h"
#include "read-md.h"
#include "gensupport.h"

Include dependency graph for genflags.cc:

Functions
static void	max_operand_1 (rtx)
static int	num_operands (rtx)
static void	gen_proto (rtx)
static void	gen_insn (md_rtx_info *info)
int	main (int argc, const char **argv)

Variables
static struct obstack	obstack
static int	max_id_len
static int	max_opno

Function Documentation

gen_insn()

static void gen_insn ( md_rtx_info * info )

static

References md_rtx_info::def, error_at(), md_rtx_info::loc, max_id_len, maybe_eval_c_test(), obstack, and XSTR.

Referenced by main().

gen_proto()

static void gen_proto ( rtx insn )

static

Print out prototype information for a generator function.  If the
insn pattern has been elided, print out a dummy generator that
does nothing.   

References i, max_id_len, maybe_eval_c_test(), num_operands, and XSTR.

Referenced by main().

main()

int main	(	int	argc,
		const char **	argv )

References md_rtx_info::def, FATAL_EXIT_CODE, gen_insn(), gen_proto(), GET_CODE, have_error, init_rtx_reader_args(), insn_elision, insns, obstack, progname, read_md_rtx(), and SUCCESS_EXIT_CODE.

max_operand_1()

static void max_operand_1 ( rtx x )

static

Count the number of match_operand's found.   

References GET_CODE, GET_RTX_FORMAT, GET_RTX_LENGTH, i, MAX, max_operand_1(), max_opno, RTX_CODE, XEXP, XINT, XVECEXP, and XVECLEN.

Referenced by max_operand_1(), and num_operands().

num_operands()

static int num_operands ( rtx insn )

static

References i, max_operand_1(), max_opno, XVECEXP, and XVECLEN.

Variable Documentation

max_id_len

int max_id_len

static

Max size of names encountered.   

Referenced by gen_insn(), and gen_proto().

max_opno

int max_opno

static

Max operand encountered in a scan over some insn.   

Referenced by main(), match_rtx(), max_operand_1(), and num_operands().

obstack

struct obstack obstack

static

Generate from machine description:
   - some flags HAVE_... saying which simple standard instructions are
   available for this machine.
   Copyright (C) 1987-2025 Free Software Foundation, Inc.

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/>.   

Obstack to remember insns with.