GCC Middle and Back End API Reference
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

◆ 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()

◆ 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.