libjit-sys 0.2.1

/* A Bison parser, made by GNU Bison 3.0.4.  */

/* Bison implementation for Yacc-like parsers in C

   Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.

   This program 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 of the License, or
   (at your option) any later version.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* As a special exception, you may create a larger work that contains
   part or all of the Bison parser skeleton and distribute that work
   under terms of your choice, so long as that work isn't itself a
   parser generator using the skeleton or a modified version thereof
   as a parser skeleton.  Alternatively, if you modify or redistribute
   the parser skeleton itself, you may (at your option) remove this
   special exception, which will cause the skeleton and the resulting
   Bison output files to be licensed under the GNU General Public
   License without this special exception.

   This special exception was added by the Free Software Foundation in
   version 2.2 of Bison.  */

/* C LALR(1) parser skeleton written by Richard Stallman, by
   simplifying the original so-called "semantic" parser.  */

/* All symbols defined below should begin with yy or YY, to avoid
   infringing on user name space.  This should be done even for local
   variables, as they might otherwise be expanded by user macros.
   There are some unavoidable exceptions within include files to
   define necessary library symbols; they are noted "INFRINGES ON
   USER NAME SPACE" below.  */

/* Identify Bison output.  */
#define YYBISON 1

/* Bison version.  */
#define YYBISON_VERSION "3.0.4"

/* Skeleton name.  */
#define YYSKELETON_NAME "yacc.c"

/* Pure parsers.  */
#define YYPURE 0

/* Push parsers.  */
#define YYPUSH 0

/* Pull parsers.  */
#define YYPULL 1




/* Copy the first part of user declarations.  */
#line 1 "gen-rules-parser.y" /* yacc.c:339  */

/*
 * gen-rules-parser.y - Bison grammar for the "gen-rules" program.
 *
 * Copyright (C) 2004, 2006-2007  Southern Storm Software, Pty Ltd.
 *
 * This file is part of the libjit library.
 *
 * The libjit library is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * The libjit library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the libjit library.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <ctype.h>
#include <stdio.h>
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#elif defined(HAVE_STRINGS_H)
# include <strings.h>
#endif

/*
 * Imports from the lexical analyser.
 */
extern int yylex(void);
extern void yyrestart(FILE *file);
#ifdef YYTEXT_POINTER
extern char *yytext;
#else
extern char yytext[];
#endif

/*
 * Current file and line number.
 */
extern char *gensel_filename;
extern long gensel_linenum;

/*
 * Report error message.
 */
static void
gensel_error_message(char *filename, long linenum, char *msg)
{
	fprintf(stderr, "%s(%ld): %s\n", filename, linenum, msg);
}

/*
 * Report error message and exit.
 */
static void
gensel_error(char *filename, long linenum, char *msg)
{
	gensel_error_message(filename, linenum, msg);
	exit(1);
}

/*
 * Report error messages from the parser.
 */
static void
yyerror(char *msg)
{
	gensel_error_message(gensel_filename, gensel_linenum, msg);
}

/*
 * Instruction type for the "inst" variable.
 */
static char *gensel_inst_type = "unsigned char *";
static int gensel_new_inst_type = 0;

/*
 * Amount of space to reserve for the primary instruction output.
 */
static int gensel_reserve_space = 32;
static int gensel_reserve_more_space = 128;

/*
 * Maximal number of input values in a pattern.
 */
#define MAX_INPUT				3

/*
 * Maximal number of scratch registers in a pattern.
 */
#define MAX_SCRATCH				6

/*
 * Maximal number of pattern elements.
 */
#define MAX_PATTERN				(MAX_INPUT + MAX_SCRATCH)

/*
 * Rule Options.
 */
#define	GENSEL_OPT_TERNARY			1
#define GENSEL_OPT_BRANCH			2
#define GENSEL_OPT_NOTE				3
#define	GENSEL_OPT_COPY				4
#define GENSEL_OPT_COMMUTATIVE			5
#define	GENSEL_OPT_STACK			6
#define GENSEL_OPT_X87_ARITH			7
#define GENSEL_OPT_X87_ARITH_REVERSIBLE		8

#define	GENSEL_OPT_MANUAL			9
#define	GENSEL_OPT_MORE_SPACE			10

/*
 * Pattern values.
 */
#define GENSEL_PATT_ANY				1
#define	GENSEL_PATT_REG				2
#define	GENSEL_PATT_LREG			3
#define	GENSEL_PATT_IMM				4
#define	GENSEL_PATT_IMMZERO			5
#define	GENSEL_PATT_IMMS8			6
#define	GENSEL_PATT_IMMU8			7
#define	GENSEL_PATT_IMMS16			8
#define	GENSEL_PATT_IMMU16			9
#define	GENSEL_PATT_IMMS32			10
#define	GENSEL_PATT_IMMU32			11
#define	GENSEL_PATT_LOCAL			12
#define	GENSEL_PATT_FRAME			13
#define	GENSEL_PATT_SCRATCH			14
#define	GENSEL_PATT_CLOBBER			15
#define	GENSEL_PATT_IF				16
#define	GENSEL_PATT_SPACE			17

/*
 * Value types.
 */
#define GENSEL_VALUE_STRING			1
#define GENSEL_VALUE_REGCLASS			2
#define	GENSEL_VALUE_ALL			3
#define GENSEL_VALUE_CLOBBER			4
#define GENSEL_VALUE_EARLY_CLOBBER		5

/*
 * Register class.
 */
typedef struct gensel_regclass *gensel_regclass_t;
struct gensel_regclass
{
	char			*id;
	char			*def;
	int			is_long;
	gensel_regclass_t	next;
};

/*
 * Option value.
 */
typedef struct gensel_value *gensel_value_t;
struct gensel_value
{
	int			type;
	void			*value;
	gensel_value_t		next;
};

/*
 * Option information.
 */
typedef struct gensel_option *gensel_option_t;
struct gensel_option
{
	int			option;
	gensel_value_t		values;
	gensel_option_t		next;
};

/*
 * Information about clauses.
 */
typedef struct gensel_clause *gensel_clause_t;
struct gensel_clause
{
	int			dest;
	gensel_option_t		pattern;
	char			*filename;
	long			linenum;
	char			*code;
	gensel_clause_t		next;
};

static char *gensel_args[] = {
	"dest", "value1", "value2"
};
static char *gensel_imm_args[] = {
	"insn->dest->address", "insn->value1->address", "insn->value2->address"
};
static char *gensel_reg_names[] = {
	"reg", "reg2", "reg3", "reg4", "reg5", "reg6", "reg7", "reg8", "reg9"
};
static char *gensel_other_reg_names[] = {
	"other_reg", "other_reg2", "other_reg3"
};
static char *gensel_imm_names[] = {
	"imm_value", "imm_value2", "imm_value3"
};
static char *gensel_local_names[] = {
	"local_offset", "local_offset2", "local_offset3"
};

/*
 * Register classes.
 */
static gensel_regclass_t gensel_regclass_list;

/*
 * Create a register class.
 */
static void
gensel_create_regclass(char *id, char *def, int is_long)
{
	gensel_regclass_t rp;

	rp = (gensel_regclass_t) malloc(sizeof(struct gensel_regclass));
	if(!rp)
	{
		exit(1);
	}
	
	rp->id = id;
	rp->def = def;
	rp->is_long = is_long;
	rp->next = gensel_regclass_list;

	gensel_regclass_list = rp;
}

gensel_regclass_t
gensel_lookup_regclass(char *id)
{
	gensel_regclass_t rp;

	rp = gensel_regclass_list;
	for(;;)
	{
		if(!rp)
		{
			gensel_error(
				gensel_filename, gensel_linenum,
				"invalid register class");
		}
		if(strcmp(id, rp->id) == 0)
		{
			return rp;
		}
		rp = rp->next;
	}
}

/*
 * Create a value.
 */
static gensel_value_t
gensel_create_value(int type)
{
	gensel_value_t vp;

	vp = (gensel_value_t) malloc(sizeof(struct gensel_value));
	if(!vp)
	{
		exit(1);
	}

	vp->type = type;
	vp->value = 0;
	vp->next = 0;

	return vp;
}

/*
 * Create literal string value.
 */
static gensel_value_t
gensel_create_string_value(char *value)
{
	gensel_value_t vp;

	vp = gensel_create_value(GENSEL_VALUE_STRING);
	vp->value = value;

	return vp;
}

/*
 * Create register class value.
 */
static gensel_value_t
gensel_create_regclass_value(char *value)
{
	gensel_value_t vp;

	vp = gensel_create_value(GENSEL_VALUE_REGCLASS);
	vp->value = gensel_lookup_regclass(value);

	return vp;
}

/*
 * Create an option.
 */
static gensel_option_t
gensel_create_option(int option, gensel_value_t values)
{
	gensel_option_t op;

	op = (gensel_option_t) malloc(sizeof(struct gensel_option));
	if(!op)
	{
		exit(1);
	}

	op->option = option;
	op->values = values;
	op->next = 0;
	return op;
}

/*
 * Create a register pattern element.
 */
static gensel_option_t
gensel_create_register(
	int flags,
	gensel_value_t value,
	gensel_value_t values)
{
	gensel_regclass_t regclass;

	if(flags)
	{
		value->next = gensel_create_value(flags);
		value->next->next = values;
	}
	else
	{
		value->next = values;
	}

	regclass = value->value;
	return gensel_create_option(
		regclass->is_long ? GENSEL_PATT_LREG : GENSEL_PATT_REG,
		value);
}

/*
 * Create a scratch register pattern element.
 */
static gensel_option_t
gensel_create_scratch(
	gensel_value_t regclass,
	gensel_value_t values)
{
	regclass->next = values;
	return gensel_create_option(GENSEL_PATT_SCRATCH, regclass);
}

/*
 * Free a list of values.
 */
static void
gensel_free_values(gensel_value_t values)
{
	gensel_value_t next;
	while(values)
	{
		next = values->next;
		if(values->type == GENSEL_VALUE_STRING)
		{
			free(values->value);
		}
		free(values);
		values = next;
	}
}

/*
 * Free a list of options.
 */
static void
gensel_free_options(gensel_option_t options)
{
	gensel_option_t next;
	while(options)
	{
		next = options->next;
		gensel_free_values(options->values);
		free(options);
		options = next;
	}
}

/*
 * Free a list of clauses.
 */
static void
gensel_free_clauses(gensel_clause_t clauses)
{
	gensel_clause_t next;
	while(clauses != 0)
	{
		next = clauses->next;
		gensel_free_options(clauses->pattern);
		free(clauses->code);
		free(clauses);
		clauses = next;
	}
}

/*
 * Look for the option.
 */
static gensel_option_t
gensel_search_option(gensel_option_t options, int tag)
{
	while(options && options->option != tag)
	{
		options = options->next;
	}
	return options;
}

/*
 * Declare the register variables that are needed for a set of clauses.
 */
static void
gensel_declare_regs(gensel_clause_t clauses, gensel_option_t options)
{
	gensel_option_t pattern;
	int regs, max_regs;
	int other_regs_mask;
	int imms, max_imms;
	int locals, max_locals;
	int scratch, others;

	max_regs = 0;
	other_regs_mask = 0;
	max_imms = 0;
	max_locals = 0;
	while(clauses != 0)
	{
		regs = 0;
		imms = 0;
		locals = 0;
		others = 0;
		scratch = 0;
		pattern = clauses->pattern;
		while(pattern)
		{
			switch(pattern->option)
			{
			case GENSEL_PATT_ANY:
				++others;
				break;

			case GENSEL_PATT_REG:
				++regs;
				break;

			case GENSEL_PATT_LREG:
				other_regs_mask |= (1 << regs);
				++regs;
				break;

			case GENSEL_PATT_IMMZERO:
				++others;
				break;

			case GENSEL_PATT_IMM:
			case GENSEL_PATT_IMMS8:
			case GENSEL_PATT_IMMU8:
			case GENSEL_PATT_IMMS16:
			case GENSEL_PATT_IMMU16:
			case GENSEL_PATT_IMMS32:
			case GENSEL_PATT_IMMU32:
				++imms;
				break;

			case GENSEL_PATT_LOCAL:
			case GENSEL_PATT_FRAME:
				++locals;
				break;

			case GENSEL_PATT_SCRATCH:
				++scratch;
			}
			pattern = pattern->next;
		}
		if((regs + imms + locals + others) > MAX_INPUT)
		{
			gensel_error(
				clauses->filename,
				clauses->linenum,
				"too many input args in the pattern");
		}
		if(scratch > MAX_SCRATCH)
		{
			gensel_error(
				clauses->filename,
				clauses->linenum,
				"too many scratch args in the pattern");
		}
		if(max_regs < (regs + scratch))
		{
			max_regs = regs + scratch;
		}
		if(max_imms < imms)
		{
			max_imms = imms;
		}
		if(max_locals < locals)
		{
			max_locals = locals;
		}
		clauses = clauses->next;
	}
	if(max_regs > 0)
	{
		printf("\tint reg");
		for(scratch = 1; scratch < max_regs; scratch++)
		{
			printf(", reg%d", scratch + 1);
		}
		printf(";\n");
	}
	if(other_regs_mask)
	{
		switch(other_regs_mask)
		{
		case 1:
			printf("\tint other_reg;\n");
			break;
		case 2:
			printf("\tint other_reg2;\n");
			break;
		case 3:
			printf("\tint other_reg, other_reg2;\n");
			break;
		case 4:
			printf("\tint other_reg3;\n");
			break;
		case 5:
			printf("\tint other_reg, other_reg3;\n");
			break;
		case 6:
			printf("\tint other_reg2, other_reg3;\n");
			break;
		case 7:
			printf("\tint other_reg, other_reg2, other_reg3;\n");
			break;
		}
	}
	switch(max_imms)
	{
	case 1:
		printf("\tjit_nint imm_value;\n");
		break;
	case 2:
		printf("\tjit_nint imm_value, imm_value2;\n");
		break;
	case 3:
		printf("\tjit_nint imm_value, imm_value2, imm_value3;\n");
		break;
	}
	switch(max_locals)
	{
	case 1:
		printf("\tjit_nint local_offset;\n");
		break;
	case 2:
		printf("\tjit_nint local_offset, local_offset2;\n");
		break;
	case 3:
		printf("\tjit_nint local_offset, local_offset2, local_offset3;\n");
		break;
	}
}

/*
 * Check if the pattern contains any registers.
 */
static int
gensel_contains_registers(gensel_option_t pattern)
{
	while(pattern)
	{
		switch(pattern->option)
		{
		case GENSEL_PATT_REG:
		case GENSEL_PATT_LREG:
		case GENSEL_PATT_SCRATCH:
		case GENSEL_PATT_CLOBBER:
			return 1;
		}
		pattern = pattern->next;
	}
	return 0;
}

/*
 * Returns first register in the pattern if any.
 */
static gensel_option_t
gensel_get_first_register(gensel_option_t pattern)
{
	while(pattern)
	{
		switch(pattern->option)
		{
		case GENSEL_PATT_REG:
		case GENSEL_PATT_LREG:
			return pattern;
		}
		pattern = pattern->next;
	}
	return 0;
}

static void
gensel_init_names(int count, char *names[], char *other_names[])
{
	int index;
	for(index = 0; index < count; index++)
	{
		if(names)
		{
			names[index] = "undefined";
		}
		if(other_names)
		{
			other_names[index] = "undefined";
		}
	}

}

static void
gensel_build_arg_index(
	gensel_option_t pattern,
	int count,
	char *names[],
	char *other_names[],
	int ternary,
	int free_dest)
{
	int index;

	gensel_init_names(count, names, other_names);

	index = 0;
	while(pattern)
	{
		switch(pattern->option)
		{
		case GENSEL_PATT_ANY:
			++index;
			break;

		case GENSEL_PATT_REG:
		case GENSEL_PATT_LREG:
		case GENSEL_PATT_LOCAL:
		case GENSEL_PATT_FRAME:
		case GENSEL_PATT_IMMZERO:
		case GENSEL_PATT_IMM:
		case GENSEL_PATT_IMMS8:
		case GENSEL_PATT_IMMU8:
		case GENSEL_PATT_IMMS16:
		case GENSEL_PATT_IMMU16:
		case GENSEL_PATT_IMMS32:
		case GENSEL_PATT_IMMU32:
			if(ternary || free_dest)
			{
				if(index < 3)
				{
					names[index] = gensel_args[index];
				}
			}
			else
			{
				if(index < 2)
				{
					names[index] = gensel_args[index + 1];
				}
			}
			++index;
			break;
		}
		pattern = pattern->next;
	}
}

static void
gensel_build_imm_arg_index(
	gensel_option_t pattern,
	int count,
	char *names[],
	char *other_names[],
	int ternary,
	int free_dest)
{
	int index;

	gensel_init_names(count, names, other_names);

	index = 0;
	while(pattern)
	{
		switch(pattern->option)
		{
		case GENSEL_PATT_ANY:
		case GENSEL_PATT_REG:
		case GENSEL_PATT_LREG:
		case GENSEL_PATT_LOCAL:
		case GENSEL_PATT_FRAME:
		case GENSEL_PATT_IMMZERO:
			++index;
			break;

		case GENSEL_PATT_IMM:
		case GENSEL_PATT_IMMS8:
		case GENSEL_PATT_IMMU8:
		case GENSEL_PATT_IMMS16:
		case GENSEL_PATT_IMMU16:
		case GENSEL_PATT_IMMS32:
		case GENSEL_PATT_IMMU32:
			if(ternary || free_dest)
			{
				if(index < 3)
				{
					names[index] = gensel_imm_args[index];
				}
			}
			else
			{
				if(index < 2)
				{
					names[index] = gensel_imm_args[index + 1];
				}
			}
			++index;
			break;
		}
		pattern = pattern->next;
	}
}

/*
 * Build index of input value names.
 */
static void
gensel_build_var_index(
	gensel_option_t pattern,
	char *names[MAX_PATTERN],
	char *other_names[MAX_PATTERN])
{
	int regs, imms, locals, index;

	gensel_init_names(MAX_PATTERN, names, other_names);

	regs = 0;
	imms = 0;
	locals = 0;
	index = 0;
	while(pattern)
	{
		switch(pattern->option)
		{
		case GENSEL_PATT_ANY:
			++index;
			break;

		case GENSEL_PATT_REG:
			names[index] = gensel_reg_names[regs];
			++regs;
			++index;
			break;

		case GENSEL_PATT_LREG:
			names[index] = gensel_reg_names[regs];
			other_names[index] = gensel_other_reg_names[regs];
			++regs;
			++index;
			break;

		case GENSEL_PATT_IMMZERO:
			++index;
			break;

		case GENSEL_PATT_IMM:
		case GENSEL_PATT_IMMS8:
		case GENSEL_PATT_IMMU8:
		case GENSEL_PATT_IMMS16:
		case GENSEL_PATT_IMMU16:
		case GENSEL_PATT_IMMS32:
		case GENSEL_PATT_IMMU32:
			names[index] = gensel_imm_names[imms];
			++imms;
			++index;
			break;

		case GENSEL_PATT_LOCAL:
		case GENSEL_PATT_FRAME:
			names[index] = gensel_local_names[locals];
			++locals;
			++index;
			break;

		case GENSEL_PATT_SCRATCH:
			names[index] = gensel_reg_names[regs];
			++regs;
			++index;
		}
		pattern = pattern->next;
	}
}

/*
 * Output the code.
 */
static void
gensel_output_code(
	gensel_option_t pattern,
	char *code,
	char *names[MAX_PATTERN],
	char *other_names[MAX_PATTERN],
	int free_dest,
	int in_line)
{
	char first;
	int index;
	
	/* Output the clause code */
	if(!in_line)
	{
		printf("\t\t");
	}
	while(*code != '\0')
	{
		first = '1';
		if(*code == '$' && code[1] >= first && code[1] < (first + MAX_PATTERN))
		{
			index = code[1] - first;
			printf(names[index]);
			code += 2;
		}
		else if(*code == '%' && code[1] >= first && code[1] < (first + MAX_PATTERN))
		{
			index = code[1] - first;
			printf(other_names[index]);
			code += 2;
		}
		else if(*code == '\n')
		{
			putc(*code, stdout);
			putc('\t', stdout);
			++code;
		}
		else
		{
			putc(*code, stdout);
			++code;
		}
	}
	if(!in_line)
	{
		printf("\n");
	}
}

/*
 * Output the code within a clause.
 */
static void
gensel_output_clause_code(
	gensel_clause_t clause,
	char *names[MAX_PATTERN],
	char *other_names[MAX_PATTERN],
	int free_dest)
{
	/* Output the line number information from the original file */
#if 0
	printf("#line %ld \"%s\"\n", clause->linenum, clause->filename);
#endif

	gensel_output_code(clause->pattern, clause->code, names, other_names, free_dest, 0);
}

static void
gensel_output_register(char *name, gensel_regclass_t regclass, gensel_value_t values)
{
	printf("\t\t_jit_regs_init_%s(&regs, insn, ", name);
	switch(values ? values->type : 0)
	{
	case GENSEL_VALUE_CLOBBER:
		printf("_JIT_REGS_CLOBBER");
		values = values->next;
		break;
	case GENSEL_VALUE_EARLY_CLOBBER:
		printf("_JIT_REGS_EARLY_CLOBBER");
		values = values->next;
		break;
	default:
		printf("0");
		break;
	}
	printf(", %s);\n", regclass->def);
	if(values && values->value)
	{
		char *reg;
		reg = values->value;
		if(values->next && values->next->value)
		{
			char *other_reg;
			other_reg = values->next->value;
			printf("\t\t_jit_regs_set_%s(gen, &regs, _jit_regs_lookup(\"%s\"), _jit_regs_lookup(\"%s\"));\n",
			       name, reg, other_reg);
		}
		else
		{
			printf("\t\t_jit_regs_set_%s(gen, &regs, _jit_regs_lookup(\"%s\"), -1);\n",
			       name, reg);
		}
	}
}

/*
 * Output value initialization code.
 */
static void
gensel_output_register_pattern(char *name, gensel_option_t pattern)
{
	gensel_output_register(name, pattern->values->value, pattern->values->next);
}

/*
 * Create an upper-case copy of a string.
 */
static char *
gensel_string_upper(char *string)
{
	char *cp;
	if(string)
	{
		string = strdup(string);
		for(cp = string; *cp; cp++)
		{
			*cp = toupper(*cp);
		}
	}
	return string;
}

/*
 * Output the clauses for a rule.
 */
static void gensel_output_clauses(gensel_clause_t clauses, gensel_option_t options)
{
	char *name;
	char *args[MAX_INPUT];
	char *names[MAX_PATTERN];
	char *other_names[MAX_PATTERN];
	gensel_clause_t clause;
	gensel_option_t pattern;
	gensel_option_t space, more_space;
	gensel_value_t values;
	int regs, imms, locals, scratch, index;
	int first, seen_option;
	int ternary, free_dest;
	int contains_registers;
	gensel_regclass_t regclass;
	char *uc_arg;

	/* If the clause is manual, then output it as-is */
	if(gensel_search_option(options, GENSEL_OPT_MANUAL))
	{
		gensel_init_names(MAX_PATTERN, names, other_names);
		gensel_output_clause_code(clauses, names, other_names, 0);
		return;
	}

	clause = clauses;
	contains_registers = 0;
	while(clause)
	{
		contains_registers = gensel_contains_registers(clause->pattern);
		if(contains_registers)
		{
			break;
		}
		clause = clause->next;
	}

	printf("\t%s inst;\n", gensel_inst_type);
	if(contains_registers)
	{
		printf("\t_jit_regs_t regs;\n");
	}
	gensel_declare_regs(clauses, options);

	ternary = (0 != gensel_search_option(options, GENSEL_OPT_TERNARY));

	/* Output the clause checking and dispatching code */
	clause = clauses;
	first = 1;
	while(clause)
	{
		contains_registers = gensel_contains_registers(clause->pattern);
		free_dest = clause->dest;

		gensel_build_arg_index(clause->pattern, 3, args, 0, ternary, free_dest);

		if(clause->next)
		{
			if(first)
				printf("\tif(");
			else
				printf("\telse if(");

			index = 0;
			seen_option = 0;
			pattern = clause->pattern;
			while(pattern)
			{
				switch(pattern->option)
				{
				case GENSEL_PATT_ANY:
					++index;
					break;

				case GENSEL_PATT_REG:
				case GENSEL_PATT_LREG:
					/* Do not check if the value is in
					   a register as the allocator will
					   load them anyway as long as other
					   conditions are met. */
#if 0
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->in_register", args[index]);
#endif
					++index;
					break;

				case GENSEL_PATT_IMM:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_constant", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMZERO:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address == 0", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMS8:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= -128 && ", args[index]);
					printf("insn->%s->address <= 127", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMU8:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= 0 && ", args[index]);
					printf("insn->%s->address <= 255", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMS16:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= -32768 && ", args[index]);
					printf("insn->%s->address <= 32767", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMU16:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= 0 && ", args[index]);
					printf("insn->%s->address <= 65535", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMS32:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= -2147483648 && ", args[index]);
					printf("insn->%s->address <= 2147483647", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IMMU32:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("insn->%s->is_nint_constant && ", args[index]);
					printf("insn->%s->address >= 0 && ", args[index]);
					printf("insn->%s->address <= 4294967295", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_LOCAL:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("!insn->%s->is_constant && ", args[index]);
					printf("!insn->%s->in_register && ", args[index]);
					printf("!insn->%s->has_global_register", args[index]);
					/* If the value is used again in the same basic block
					   it is highly likely that using a register instead
					   of the stack will be a win. Assume that if the
					   "local" pattern is not the last one then it must
					   be followed by a "reg" pattern. */
					uc_arg = gensel_string_upper(args[index]);
					printf("&& (insn->flags & JIT_INSN_%s_NEXT_USE) == 0", uc_arg);
					free(uc_arg);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_FRAME:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("!insn->%s->is_constant && ", args[index]);
					printf("!insn->%s->has_global_register", args[index]);
					seen_option = 1;
					++index;
					break;

				case GENSEL_PATT_IF:
					if(seen_option)
					{
						printf(" && ");
					}
					printf("(");
					gensel_build_imm_arg_index(
						clause->pattern, MAX_PATTERN,
						names, other_names, ternary, free_dest);
					gensel_output_code(
						clause->pattern,
						pattern->values->value,
						names, other_names, free_dest, 1);
					printf(")");
					seen_option = 1;
					break;
				}
				pattern = pattern->next;
			}
			if(!seen_option)
			{
				printf("1");
			}
			printf(")\n\t{\n");
		}
		else if(first)
		{
			printf("\t{\n");
		}
		else
		{
			printf("\telse\n\t{\n");
		}

		if(contains_registers)
		{
			seen_option = 0;
			printf("\t\t_jit_regs_init(gen, &regs, ");
			if(ternary)
			{
				seen_option = 1;
				printf("_JIT_REGS_TERNARY");
			}
			else if(free_dest)
			{
				seen_option = 1;
				printf("_JIT_REGS_FREE_DEST");
			}
			if(gensel_search_option(options, GENSEL_OPT_BRANCH))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_BRANCH");
			}
			if(gensel_search_option(options, GENSEL_OPT_COPY))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_COPY");
			}
			if(gensel_search_option(options, GENSEL_OPT_STACK))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_STACK");
			}
			if(gensel_search_option(options, GENSEL_OPT_COMMUTATIVE))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_COMMUTATIVE");
			}
			/* x87 options */
			if(gensel_search_option(options, GENSEL_OPT_X87_ARITH))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_X87_ARITH");
			}
			else if(gensel_search_option(options, GENSEL_OPT_X87_ARITH_REVERSIBLE))
			{
				if(seen_option)
				{
					printf(" | ");
				}
				else
				{
					seen_option = 1;
				}
				printf("_JIT_REGS_X87_ARITH | _JIT_REGS_REVERSIBLE");
			}
			if(!seen_option)
			{
				printf("0");
			}
			printf(");\n");

			if(!(ternary || free_dest
			     || gensel_search_option(options, GENSEL_OPT_NOTE)
			     || gensel_search_option(options, GENSEL_OPT_BRANCH)))
			{
				pattern = gensel_get_first_register(clause->pattern);
				gensel_output_register("dest", pattern ? pattern->values->value : 0, 0);
			}
		}

		regs = 0;
		index = 0;
		scratch = 0;
		pattern = clause->pattern;
		while(pattern)
		{
			switch(pattern->option)
			{
			case GENSEL_PATT_ANY:
				++index;
				break;

			case GENSEL_PATT_REG:
			case GENSEL_PATT_LREG:
				gensel_output_register_pattern(args[index], pattern);
				++regs;
				++index;
				break;

			case GENSEL_PATT_IMMZERO:
			case GENSEL_PATT_IMM:
			case GENSEL_PATT_IMMS8:
			case GENSEL_PATT_IMMU8:
			case GENSEL_PATT_IMMS16:
			case GENSEL_PATT_IMMU16:
			case GENSEL_PATT_IMMS32:
			case GENSEL_PATT_IMMU32:
				++index;
				break;

			case GENSEL_PATT_LOCAL:
				printf("\t\t_jit_gen_fix_value(insn->%s);\n", args[index]);
				++index;
				break;

			case GENSEL_PATT_FRAME:
				printf("\t\t_jit_regs_force_out(gen, insn->%s, %d);\n",
				       args[index], (free_dest && index == 0));
				printf("\t\t_jit_gen_fix_value(insn->%s);\n", args[index]);
				++index;
				break;

			case GENSEL_PATT_SCRATCH:
				regclass = pattern->values->value;
				printf("\t\t_jit_regs_add_scratch(&regs, %s);\n",
				       regclass->def);
				if(pattern->values->next && pattern->values->next->value)
				{
					name = pattern->values->next->value;
					printf("\t\t_jit_regs_set_scratch(gen, &regs, %d, _jit_regs_lookup(\"%s\"));\n",
					       scratch, name);
				}
				++regs;
				++scratch;
				++index;
				break;

			case GENSEL_PATT_CLOBBER:
				values = pattern->values;
				while(values)
				{
					if(!values->value)
					{
						continue;
					}
					switch(values->type)
					{
					case GENSEL_VALUE_STRING:
						name = values->value;
						printf("\t\t_jit_regs_clobber(&regs, _jit_regs_lookup(\"%s\"));\n",
						       name);
						break;

					case GENSEL_VALUE_REGCLASS:
						regclass = values->value;
						printf("\t\t_jit_regs_clobber_class(gen, &regs, %s);\n",
							regclass->def);
						break;

					case GENSEL_VALUE_ALL:
						printf("\t\t_jit_regs_clobber_all(gen, &regs);\n");
						break;
					}
					values = values->next;
				}
				break;
			}
			pattern = pattern->next;
		}

		if(gensel_search_option(options, GENSEL_OPT_BRANCH))
		{
			/* Spill all other registers back to their original positions */
			if(contains_registers)
			{
				printf("\t\t_jit_regs_clobber_all(gen, &regs);\n");
			}
			else
			{
				printf("\t\t_jit_regs_spill_all(gen);\n");
			}
		}

		if(gensel_new_inst_type)
		{
			if(contains_registers)
			{
				printf("\t\t_jit_regs_assign(gen, &regs);\n");
				printf("\t\t_jit_regs_gen(gen, &regs);\n");
			}
			printf("\t\tjit_gen_load_inst_ptr(gen, inst);\n");
		}
		else
		{
			space = gensel_search_option(clause->pattern, GENSEL_PATT_SPACE);
			more_space = gensel_search_option(options, GENSEL_OPT_MORE_SPACE);

			if(contains_registers)
			{
				printf("\t\t_jit_regs_begin(gen, &regs, ");
			}
			else
			{
				printf("\t\t_jit_gen_check_space(gen, ");
			}
			if(space && space->values && space->values->value)
			{
				printf("(");
				gensel_build_imm_arg_index(
					clause->pattern, MAX_PATTERN,
					names, other_names, ternary, free_dest);
				gensel_output_code(
					clause->pattern,
					space->values->value,
					names, other_names, free_dest, 1);
				printf(")");
			}
			else
			{
				printf("%d", ((more_space == 0)
					      ? gensel_reserve_space
					      : gensel_reserve_more_space));
			}
			printf(");\n");
		}

		printf("\t\tinst = (%s)(gen->ptr);\n", gensel_inst_type);

		regs = 0;
		imms = 0;
		locals = 0;
		index = 0;
		scratch = 0;
		pattern = clause->pattern;
		while(pattern)
		{
			switch(pattern->option)
			{
			case GENSEL_PATT_ANY:
				++index;
				break;

			case GENSEL_PATT_REG:
				printf("\t\t%s = _jit_reg_info[_jit_regs_get_%s(&regs)].cpu_reg;\n",
				       gensel_reg_names[regs], args[index]);
				++regs;
				++index;
				break;

			case GENSEL_PATT_LREG:
				printf("\t\t%s = _jit_reg_info[_jit_regs_get_%s(&regs)].cpu_reg;\n",
				       gensel_reg_names[regs], args[index]);
				printf("\t\t%s = _jit_reg_info[_jit_regs_get_%s_other(&regs)].cpu_reg;\n",
				       gensel_other_reg_names[regs], args[index]);
				++regs;
				++index;
				break;

			case GENSEL_PATT_IMMZERO:
				++index;
				break;

			case GENSEL_PATT_IMM:
			case GENSEL_PATT_IMMS8:
			case GENSEL_PATT_IMMU8:
			case GENSEL_PATT_IMMS16:
			case GENSEL_PATT_IMMU16:
			case GENSEL_PATT_IMMS32:
			case GENSEL_PATT_IMMU32:
				printf("\t\t%s = insn->%s->address;\n",
				       gensel_imm_names[imms], args[index]);
				++imms;
				++index;
				break;

			case GENSEL_PATT_LOCAL:
			case GENSEL_PATT_FRAME:
				printf("\t\t%s = insn->%s->frame_offset;\n",
				       gensel_local_names[locals], args[index]);
				++locals;
				++index;
				break;

			case GENSEL_PATT_SCRATCH:
				printf("\t\t%s = _jit_reg_info[_jit_regs_get_scratch(&regs, %d)].cpu_reg;\n",
				       gensel_reg_names[regs], scratch);
				++regs;
				++scratch;
				++index;
				break;

			}
			pattern = pattern->next;
		}

		gensel_build_var_index(clause->pattern, names, other_names);
		gensel_output_clause_code(clause, names, other_names, free_dest);

		/* Copy "inst" back into the generation context */
		if(gensel_new_inst_type)
		{
			printf("\t\tjit_gen_save_inst_ptr(gen, inst);\n");
		}
		else
		{
			printf("\t\tgen->ptr = (unsigned char *)inst;\n");
		}
		if(contains_registers)
		{
			printf("\t\t_jit_regs_commit(gen, &regs);\n");
		}

		printf("\t}\n");
		first = 0;
		clause = clause->next;
	}
}

/*
 * List of opcodes that are supported by the input rules.
 */
static char **supported = 0;
static char **supported_options = 0;
static int num_supported = 0;

/*
 * Add an opcode to the supported list.
 */
static void gensel_add_supported(char *name, char *option)
{
	supported = (char **)realloc
		(supported, (num_supported + 1) * sizeof(char *));
	if(!supported)
	{
		exit(1);
	}
	supported[num_supported] = name;
	supported_options = (char **)realloc
		(supported_options, (num_supported + 1) * sizeof(char *));
	if(!supported_options)
	{
		exit(1);
	}
	supported_options[num_supported++] = option;
}

/*
 * Output the list of supported opcodes.
 */
static void gensel_output_supported(void)
{
	int index;
	for(index = 0; index < num_supported; ++index)
	{
		if(supported_options[index])
		{
			if(supported_options[index][0] == '!')
			{
				printf("#ifndef %s\n", supported_options[index] + 1);
			}
			else
			{
				printf("#ifdef %s\n", supported_options[index]);
			}
			printf("case %s:\n", supported[index]);
			printf("#endif\n");
		}
		else
		{
			printf("case %s:\n", supported[index]);
		}
	}
	printf("\treturn 1;\n\n");
}


#line 1687 "gen-rules-parser.c" /* yacc.c:339  */

# ifndef YY_NULLPTR
#  if defined __cplusplus && 201103L <= __cplusplus
#   define YY_NULLPTR nullptr
#  else
#   define YY_NULLPTR 0
#  endif
# endif

/* Enabling verbose error messages.  */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 1
#endif

/* In a future release of Bison, this section will be replaced
   by #include "y.tab.h".  */
#ifndef YY_YY_GEN_RULES_PARSER_H_INCLUDED
# define YY_YY_GEN_RULES_PARSER_H_INCLUDED
/* Debug traces.  */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
#if YYDEBUG
extern int yydebug;
#endif

/* Token type.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
  enum yytokentype
  {
    IDENTIFIER = 258,
    CODE_BLOCK = 259,
    LITERAL = 260,
    K_PTR = 261,
    K_ANY = 262,
    K_ALL = 263,
    K_IMM = 264,
    K_IMMZERO = 265,
    K_IMMS8 = 266,
    K_IMMU8 = 267,
    K_IMMS16 = 268,
    K_IMMU16 = 269,
    K_IMMS32 = 270,
    K_IMMU32 = 271,
    K_LOCAL = 272,
    K_FRAME = 273,
    K_NOTE = 274,
    K_TERNARY = 275,
    K_BRANCH = 276,
    K_COPY = 277,
    K_COMMUTATIVE = 278,
    K_IF = 279,
    K_CLOBBER = 280,
    K_SCRATCH = 281,
    K_SPACE = 282,
    K_STACK = 283,
    K_X87_ARITH = 284,
    K_X87_ARITH_REVERSIBLE = 285,
    K_INST_TYPE = 286,
    K_REG_CLASS = 287,
    K_LREG_CLASS = 288,
    K_MANUAL = 289,
    K_MORE_SPACE = 290
  };
#endif
/* Tokens.  */
#define IDENTIFIER 258
#define CODE_BLOCK 259
#define LITERAL 260
#define K_PTR 261
#define K_ANY 262
#define K_ALL 263
#define K_IMM 264
#define K_IMMZERO 265
#define K_IMMS8 266
#define K_IMMU8 267
#define K_IMMS16 268
#define K_IMMU16 269
#define K_IMMS32 270
#define K_IMMU32 271
#define K_LOCAL 272
#define K_FRAME 273
#define K_NOTE 274
#define K_TERNARY 275
#define K_BRANCH 276
#define K_COPY 277
#define K_COMMUTATIVE 278
#define K_IF 279
#define K_CLOBBER 280
#define K_SCRATCH 281
#define K_SPACE 282
#define K_STACK 283
#define K_X87_ARITH 284
#define K_X87_ARITH_REVERSIBLE 285
#define K_INST_TYPE 286
#define K_REG_CLASS 287
#define K_LREG_CLASS 288
#define K_MANUAL 289
#define K_MORE_SPACE 290

/* Value type.  */
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED

union YYSTYPE
{
#line 1625 "gen-rules-parser.y" /* yacc.c:355  */

	int			tag;
	char			*name;
	struct gensel_value	*value;
	struct gensel_option	*option;
	struct
	{
		char	*filename;
		long	linenum;
		char	*block;

	}	code;
	struct
	{
		struct gensel_value	*head;
		struct gensel_value	*tail;

	}	values;
	struct
	{
		struct gensel_option	*head;
		struct gensel_option	*tail;

	}	options;
	struct
	{
		struct gensel_clause	*head;
		struct gensel_clause	*tail;

	}	clauses;

#line 1829 "gen-rules-parser.c" /* yacc.c:355  */
};

typedef union YYSTYPE YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
#endif


extern YYSTYPE yylval;

int yyparse (void);

#endif /* !YY_YY_GEN_RULES_PARSER_H_INCLUDED  */

/* Copy the second part of user declarations.  */

#line 1846 "gen-rules-parser.c" /* yacc.c:358  */

#ifdef short
# undef short
#endif

#ifdef YYTYPE_UINT8
typedef YYTYPE_UINT8 yytype_uint8;
#else
typedef unsigned char yytype_uint8;
#endif

#ifdef YYTYPE_INT8
typedef YYTYPE_INT8 yytype_int8;
#else
typedef signed char yytype_int8;
#endif

#ifdef YYTYPE_UINT16
typedef YYTYPE_UINT16 yytype_uint16;
#else
typedef unsigned short int yytype_uint16;
#endif

#ifdef YYTYPE_INT16
typedef YYTYPE_INT16 yytype_int16;
#else
typedef short int yytype_int16;
#endif

#ifndef YYSIZE_T
# ifdef __SIZE_TYPE__
#  define YYSIZE_T __SIZE_TYPE__
# elif defined size_t
#  define YYSIZE_T size_t
# elif ! defined YYSIZE_T
#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
#  define YYSIZE_T size_t
# else
#  define YYSIZE_T unsigned int
# endif
#endif

#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)

#ifndef YY_
# if defined YYENABLE_NLS && YYENABLE_NLS
#  if ENABLE_NLS
#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
#   define YY_(Msgid) dgettext ("bison-runtime", Msgid)
#  endif
# endif
# ifndef YY_
#  define YY_(Msgid) Msgid
# endif
#endif

#ifndef YY_ATTRIBUTE
# if (defined __GNUC__                                               \
      && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__)))  \
     || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C
#  define YY_ATTRIBUTE(Spec) __attribute__(Spec)
# else
#  define YY_ATTRIBUTE(Spec) /* empty */
# endif
#endif

#ifndef YY_ATTRIBUTE_PURE
# define YY_ATTRIBUTE_PURE   YY_ATTRIBUTE ((__pure__))
#endif

#ifndef YY_ATTRIBUTE_UNUSED
# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__))
#endif

#if !defined _Noreturn \
     && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112)
# if defined _MSC_VER && 1200 <= _MSC_VER
#  define _Noreturn __declspec (noreturn)
# else
#  define _Noreturn YY_ATTRIBUTE ((__noreturn__))
# endif
#endif

/* Suppress unused-variable warnings by "using" E.  */
#if ! defined lint || defined __GNUC__
# define YYUSE(E) ((void) (E))
#else
# define YYUSE(E) /* empty */
#endif

#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__
/* Suppress an incorrect diagnostic about yylval being uninitialized.  */
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
    _Pragma ("GCC diagnostic push") \
    _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
    _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
    _Pragma ("GCC diagnostic pop")
#else
# define YY_INITIAL_VALUE(Value) Value
#endif
#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
# define YY_IGNORE_MAYBE_UNINITIALIZED_END
#endif
#ifndef YY_INITIAL_VALUE
# define YY_INITIAL_VALUE(Value) /* Nothing. */
#endif


#if ! defined yyoverflow || YYERROR_VERBOSE

/* The parser invokes alloca or malloc; define the necessary symbols.  */

# ifdef YYSTACK_USE_ALLOCA
#  if YYSTACK_USE_ALLOCA
#   ifdef __GNUC__
#    define YYSTACK_ALLOC __builtin_alloca
#   elif defined __BUILTIN_VA_ARG_INCR
#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
#   elif defined _AIX
#    define YYSTACK_ALLOC __alloca
#   elif defined _MSC_VER
#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
#    define alloca _alloca
#   else
#    define YYSTACK_ALLOC alloca
#    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS
#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
      /* Use EXIT_SUCCESS as a witness for stdlib.h.  */
#     ifndef EXIT_SUCCESS
#      define EXIT_SUCCESS 0
#     endif
#    endif
#   endif
#  endif
# endif

# ifdef YYSTACK_ALLOC
   /* Pacify GCC's 'empty if-body' warning.  */
#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
#  ifndef YYSTACK_ALLOC_MAXIMUM
    /* The OS might guarantee only one guard page at the bottom of the stack,
       and a page size can be as small as 4096 bytes.  So we cannot safely
       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
       to allow for a few compiler-allocated temporary stack slots.  */
#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
#  endif
# else
#  define YYSTACK_ALLOC YYMALLOC
#  define YYSTACK_FREE YYFREE
#  ifndef YYSTACK_ALLOC_MAXIMUM
#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
#  endif
#  if (defined __cplusplus && ! defined EXIT_SUCCESS \
       && ! ((defined YYMALLOC || defined malloc) \
             && (defined YYFREE || defined free)))
#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
#   ifndef EXIT_SUCCESS
#    define EXIT_SUCCESS 0
#   endif
#  endif
#  ifndef YYMALLOC
#   define YYMALLOC malloc
#   if ! defined malloc && ! defined EXIT_SUCCESS
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
#   endif
#  endif
#  ifndef YYFREE
#   define YYFREE free
#   if ! defined free && ! defined EXIT_SUCCESS
void free (void *); /* INFRINGES ON USER NAME SPACE */
#   endif
#  endif
# endif
#endif /* ! defined yyoverflow || YYERROR_VERBOSE */


#if (! defined yyoverflow \
     && (! defined __cplusplus \
         || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))

/* A type that is properly aligned for any stack member.  */
union yyalloc
{
  yytype_int16 yyss_alloc;
  YYSTYPE yyvs_alloc;
};

/* The size of the maximum gap between one aligned stack and the next.  */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)

/* The size of an array large to enough to hold all stacks, each with
   N elements.  */
# define YYSTACK_BYTES(N) \
     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
      + YYSTACK_GAP_MAXIMUM)

# define YYCOPY_NEEDED 1

/* Relocate STACK from its old location to the new one.  The
   local variables YYSIZE and YYSTACKSIZE give the old and new number of
   elements in the stack, and YYPTR gives the new location of the
   stack.  Advance YYPTR to a properly aligned location for the next
   stack.  */
# define YYSTACK_RELOCATE(Stack_alloc, Stack)                           \
    do                                                                  \
      {                                                                 \
        YYSIZE_T yynewbytes;                                            \
        YYCOPY (&yyptr->Stack_alloc, Stack, yysize);                    \
        Stack = &yyptr->Stack_alloc;                                    \
        yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
        yyptr += yynewbytes / sizeof (*yyptr);                          \
      }                                                                 \
    while (0)

#endif

#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
/* Copy COUNT objects from SRC to DST.  The source and destination do
   not overlap.  */
# ifndef YYCOPY
#  if defined __GNUC__ && 1 < __GNUC__
#   define YYCOPY(Dst, Src, Count) \
      __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src)))
#  else
#   define YYCOPY(Dst, Src, Count)              \
      do                                        \
        {                                       \
          YYSIZE_T yyi;                         \
          for (yyi = 0; yyi < (Count); yyi++)   \
            (Dst)[yyi] = (Src)[yyi];            \
        }                                       \
      while (0)
#  endif
# endif
#endif /* !YYCOPY_NEEDED */

/* YYFINAL -- State number of the termination state.  */
#define YYFINAL  12
/* YYLAST -- Last index in YYTABLE.  */
#define YYLAST   101

/* YYNTOKENS -- Number of terminals.  */
#define YYNTOKENS  45
/* YYNNTS -- Number of nonterminals.  */
#define YYNNTS  23
/* YYNRULES -- Number of rules.  */
#define YYNRULES  69
/* YYNSTATES -- Number of states.  */
#define YYNSTATES  102

/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned
   by yylex, with out-of-bounds checking.  */
#define YYUNDEFTOK  2
#define YYMAXUTOK   290

#define YYTRANSLATE(YYX)                                                \
  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)

/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM
   as returned by yylex, without out-of-bounds checking.  */
static const yytype_uint8 yytranslate[] =
{
       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
      38,    39,    43,    44,    37,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,    36,     2,
       2,    42,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,    40,     2,    41,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
       5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
      15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
      35
};

#if YYDEBUG
  /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
static const yytype_uint16 yyrline[] =
{
       0,  1717,  1717,  1719,  1723,  1724,  1728,  1750,  1754,  1757,
    1763,  1764,  1780,  1781,  1785,  1789,  1793,  1801,  1807,  1808,
    1816,  1835,  1839,  1843,  1851,  1854,  1857,  1860,  1871,  1882,
    1893,  1896,  1899,  1905,  1908,  1914,  1918,  1926,  1927,  1931,
    1937,  1943,  1951,  1952,  1953,  1954,  1955,  1956,  1957,  1958,
    1961,  1962,  1966,  1967,  1968,  1969,  1970,  1971,  1972,  1973,
    1974,  1975,  1976,  1980,  1981,  1985,  1986,  1987,  1991,  1992
};
#endif

#if YYDEBUG || YYERROR_VERBOSE || 1
/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
static const char *const yytname[] =
{
  "$end", "error", "$undefined", "\"an identifier\"", "\"a code block\"",
  "\"literal string\"", "\"`->'\"", "\"any value\"", "\"all registers\"",
  "\"immediate value\"", "\"immediate zero value\"",
  "\"immediate signed 8-bit value\"", "\"immediate unsigned 8-bit value\"",
  "\"immediate signed 16-bit value\"",
  "\"immediate unsigned 16-bit value\"",
  "\"immediate signed 32-bit value\"",
  "\"immediate unsigned 32-bit value\"", "\"local variable\"",
  "\"local variable forced out into the stack frame\"", "\"`note'\"",
  "\"`ternary'\"", "\"`branch'\"", "\"`copy'\"", "\"`commutative'\"",
  "\"`if'\"", "\"`clobber'\"", "\"`scratch'\"", "\"`space'\"",
  "\"`stack'\"", "\"`x87_arith'\"", "\"`x87_arith_reversible'\"",
  "\"`%inst_type'\"", "\"`%reg_class'\"", "\"`%lreg_class'\"",
  "\"`manual'\"", "\"`more_space'\"", "':'", "','", "'('", "')'", "'['",
  "']'", "'='", "'*'", "'+'", "$accept", "Start", "Rules", "Rule",
  "IdentifierList", "IfClause", "Options", "Option", "Clauses", "Clause",
  "Pattern", "PatternElement", "ClobberSpec", "ClobberList",
  "ClobberEntry", "RegClass", "Value", "ValuePair", "OptionTag",
  "InputTag", "DestFlag", "RegFlag", "Literal", YY_NULLPTR
};
#endif

# ifdef YYPRINT
/* YYTOKNUM[NUM] -- (External) token number corresponding to the
   (internal) symbol number NUM (which must be that of a token).  */
static const yytype_uint16 yytoknum[] =
{
       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
     265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
     275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
     285,   286,   287,   288,   289,   290,    58,    44,    40,    41,
      91,    93,    61,    42,    43
};
# endif

#define YYPACT_NINF -37

#define yypact_value_is_default(Yystate) \
  (!!((Yystate) == (-37)))

#define YYTABLE_NINF -66

#define yytable_value_is_error(Yytable_value) \
  0

  /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
     STATE-NUM.  */
static const yytype_int8 yypact[] =
{
      16,   -37,    23,    34,    35,    39,    16,   -37,   -35,   -37,
      49,    65,   -37,   -37,    66,    70,    40,   -37,   -37,   -37,
      41,    36,   -37,   -37,   -37,   -37,   -37,   -37,   -37,   -37,
     -37,   -37,   -37,   -20,   -37,   -37,    36,    33,    38,   -37,
     -37,   -37,    -3,   -37,   -37,   -37,   -37,   -37,   -37,   -37,
     -37,   -37,   -37,   -37,   -37,    43,    44,    80,    46,   -37,
     -37,   -36,   -37,   -37,    80,    81,    69,   -37,    47,    81,
      18,    82,    51,   -37,    48,    85,   -37,    52,    55,   -37,
     -37,   -37,    81,    54,   -37,    90,    81,   -37,   -37,   -37,
      13,    56,   -37,   -37,    15,    57,   -37,   -37,    81,   -37,
     -37,   -37
};

  /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM.
     Performed when YYTABLE does not specify something else to do.  Zero
     means the default is an error.  */
static const yytype_uint8 yydefact[] =
{
       2,    10,     0,     0,     0,     0,     3,     4,    12,     7,
       0,     0,     1,     5,     0,     0,     0,     8,     9,    11,
       0,    14,    13,    44,    42,    43,    45,    46,    47,    48,
      49,    50,    51,     0,    15,    17,     0,    63,     6,    18,
      16,    64,    21,    19,    62,    52,    53,    54,    55,    56,
      57,    58,    59,    60,    61,     0,     0,     0,     0,    66,
      67,     0,    22,    24,     0,     0,     0,    39,    28,     0,
      65,     0,    25,    68,     0,    40,    33,     0,    34,    35,
      37,    38,     0,     0,    23,     0,     0,    31,    69,    30,
       0,     0,    32,    20,     0,     0,    36,    29,     0,    26,
      27,    41
};

  /* YYPGOTO[NTERM-NUM].  */
static const yytype_int8 yypgoto[] =
{
     -37,   -37,   -37,    91,   -37,   -37,   -37,    62,   -37,    61,
     -37,    30,   -37,   -37,    11,    -4,   -19,   -37,   -37,   -37,
     -37,   -37,   -37
};

  /* YYDEFGOTO[NTERM-NUM].  */
static const yytype_int8 yydefgoto[] =
{
      -1,     5,     6,     7,     8,    16,    33,    34,    38,    39,
      61,    62,    77,    78,    79,    80,    81,    95,    35,    63,
      42,    64,    75
};

  /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM.  If
     positive, shift that token.  If negative, reduce the rule whose
     number is the opposite.  If YYTABLE_NINF, syntax error.  */
static const yytype_int8 yytable[] =
{
     -65,    70,    14,    15,    44,    71,    45,    46,    47,    48,
      49,    50,    51,    52,    53,    54,    67,    36,    73,     1,
      37,    55,    56,    57,    58,    44,     9,    45,    46,    47,
      48,    49,    50,    51,    52,    53,    54,    10,    11,    12,
      59,    60,    55,    56,    57,    58,    74,     2,     3,     4,
      83,    98,    17,    68,    99,    23,    24,    25,    26,    27,
      72,    59,    60,    91,    28,    29,    30,    94,    18,    19,
      31,    32,    67,    20,    73,    41,    21,    76,    37,   101,
      22,    65,    66,    67,    69,    82,    73,    87,    85,    86,
      88,    89,    90,    92,    93,    97,   100,    13,    40,    43,
      84,    96
};

static const yytype_uint8 yycheck[] =
{
       3,    37,    37,    38,     7,    41,     9,    10,    11,    12,
      13,    14,    15,    16,    17,    18,     3,    37,     5,     3,
      40,    24,    25,    26,    27,     7,     3,     9,    10,    11,
      12,    13,    14,    15,    16,    17,    18,     3,     3,     0,
      43,    44,    24,    25,    26,    27,    65,    31,    32,    33,
      69,    36,     3,    57,    39,    19,    20,    21,    22,    23,
      64,    43,    44,    82,    28,    29,    30,    86,     3,     3,
      34,    35,     3,     3,     5,    42,    36,     8,    40,    98,
      39,    38,    38,     3,    38,    38,     5,    39,     6,    38,
       5,    39,    37,    39,     4,    39,    39,     6,    36,    38,
      70,    90
};

  /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
     symbol of state STATE-NUM.  */
static const yytype_uint8 yystos[] =
{
       0,     3,    31,    32,    33,    46,    47,    48,    49,     3,
       3,     3,     0,    48,    37,    38,    50,     3,     3,     3,
       3,    36,    39,    19,    20,    21,    22,    23,    28,    29,
      30,    34,    35,    51,    52,    63,    37,    40,    53,    54,
      52,    42,    65,    54,     7,     9,    10,    11,    12,    13,
      14,    15,    16,    17,    18,    24,    25,    26,    27,    43,
      44,    55,    56,    64,    66,    38,    38,     3,    60,    38,
      37,    41,    60,     5,    61,    67,     8,    57,    58,    59,
      60,    61,    38,    61,    56,     6,    38,    39,     5,    39,
      37,    61,    39,     4,    61,    62,    59,    39,    36,    39,
      39,    61
};

  /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
static const yytype_uint8 yyr1[] =
{
       0,    45,    46,    46,    47,    47,    48,    48,    48,    48,
      49,    49,    50,    50,    51,    51,    51,    52,    53,    53,
      54,    55,    55,    55,    56,    56,    56,    56,    56,    56,
      56,    56,    56,    57,    57,    58,    58,    59,    59,    60,
      61,    62,    63,    63,    63,    63,    63,    63,    63,    63,
      63,    63,    64,    64,    64,    64,    64,    64,    64,    64,
      64,    64,    64,    65,    65,    66,    66,    66,    67,    67
};

  /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN.  */
static const yytype_uint8 yyr2[] =
{
       0,     2,     0,     1,     1,     2,     5,     2,     3,     3,
       1,     3,     0,     3,     0,     1,     3,     1,     1,     2,
       6,     0,     1,     3,     1,     2,     5,     5,     2,     5,
       4,     4,     4,     1,     1,     1,     3,     1,     1,     1,
       1,     3,     1,     1,     1,     1,     1,     1,     1,     1,
       1,     1,     1,     1,     1,     1,     1,     1,     1,     1,
       1,     1,     1,     0,     1,     0,     1,     1,     1,     2
};


#define yyerrok         (yyerrstatus = 0)
#define yyclearin       (yychar = YYEMPTY)
#define YYEMPTY         (-2)
#define YYEOF           0

#define YYACCEPT        goto yyacceptlab
#define YYABORT         goto yyabortlab
#define YYERROR         goto yyerrorlab


#define YYRECOVERING()  (!!yyerrstatus)

#define YYBACKUP(Token, Value)                                  \
do                                                              \
  if (yychar == YYEMPTY)                                        \
    {                                                           \
      yychar = (Token);                                         \
      yylval = (Value);                                         \
      YYPOPSTACK (yylen);                                       \
      yystate = *yyssp;                                         \
      goto yybackup;                                            \
    }                                                           \
  else                                                          \
    {                                                           \
      yyerror (YY_("syntax error: cannot back up")); \
      YYERROR;                                                  \
    }                                                           \
while (0)

/* Error token number */
#define YYTERROR        1
#define YYERRCODE       256



/* Enable debugging if requested.  */
#if YYDEBUG

# ifndef YYFPRINTF
#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
#  define YYFPRINTF fprintf
# endif

# define YYDPRINTF(Args)                        \
do {                                            \
  if (yydebug)                                  \
    YYFPRINTF Args;                             \
} while (0)

/* This macro is provided for backward compatibility. */
#ifndef YY_LOCATION_PRINT
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
#endif


# define YY_SYMBOL_PRINT(Title, Type, Value, Location)                    \
do {                                                                      \
  if (yydebug)                                                            \
    {                                                                     \
      YYFPRINTF (stderr, "%s ", Title);                                   \
      yy_symbol_print (stderr,                                            \
                  Type, Value); \
      YYFPRINTF (stderr, "\n");                                           \
    }                                                                     \
} while (0)


/*----------------------------------------.
| Print this symbol's value on YYOUTPUT.  |
`----------------------------------------*/

static void
yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
{
  FILE *yyo = yyoutput;
  YYUSE (yyo);
  if (!yyvaluep)
    return;
# ifdef YYPRINT
  if (yytype < YYNTOKENS)
    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
# endif
  YYUSE (yytype);
}


/*--------------------------------.
| Print this symbol on YYOUTPUT.  |
`--------------------------------*/

static void
yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
{
  YYFPRINTF (yyoutput, "%s %s (",
             yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]);

  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
  YYFPRINTF (yyoutput, ")");
}

/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
| TOP (included).                                                   |
`------------------------------------------------------------------*/

static void
yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
{
  YYFPRINTF (stderr, "Stack now");
  for (; yybottom <= yytop; yybottom++)
    {
      int yybot = *yybottom;
      YYFPRINTF (stderr, " %d", yybot);
    }
  YYFPRINTF (stderr, "\n");
}

# define YY_STACK_PRINT(Bottom, Top)                            \
do {                                                            \
  if (yydebug)                                                  \
    yy_stack_print ((Bottom), (Top));                           \
} while (0)


/*------------------------------------------------.
| Report that the YYRULE is going to be reduced.  |
`------------------------------------------------*/

static void
yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule)
{
  unsigned long int yylno = yyrline[yyrule];
  int yynrhs = yyr2[yyrule];
  int yyi;
  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
             yyrule - 1, yylno);
  /* The symbols being reduced.  */
  for (yyi = 0; yyi < yynrhs; yyi++)
    {
      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
      yy_symbol_print (stderr,
                       yystos[yyssp[yyi + 1 - yynrhs]],
                       &(yyvsp[(yyi + 1) - (yynrhs)])
                                              );
      YYFPRINTF (stderr, "\n");
    }
}

# define YY_REDUCE_PRINT(Rule)          \
do {                                    \
  if (yydebug)                          \
    yy_reduce_print (yyssp, yyvsp, Rule); \
} while (0)

/* Nonzero means print parse trace.  It is left uninitialized so that
   multiple parsers can coexist.  */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
# define YY_STACK_PRINT(Bottom, Top)
# define YY_REDUCE_PRINT(Rule)
#endif /* !YYDEBUG */


/* YYINITDEPTH -- initial size of the parser's stacks.  */
#ifndef YYINITDEPTH
# define YYINITDEPTH 200
#endif

/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
   if the built-in stack extension method is used).

   Do not make this value too large; the results are undefined if
   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
   evaluated with infinite-precision integer arithmetic.  */

#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif


#if YYERROR_VERBOSE

# ifndef yystrlen
#  if defined __GLIBC__ && defined _STRING_H
#   define yystrlen strlen
#  else
/* Return the length of YYSTR.  */
static YYSIZE_T
yystrlen (const char *yystr)
{
  YYSIZE_T yylen;
  for (yylen = 0; yystr[yylen]; yylen++)
    continue;
  return yylen;
}
#  endif
# endif

# ifndef yystpcpy
#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
#   define yystpcpy stpcpy
#  else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
   YYDEST.  */
static char *
yystpcpy (char *yydest, const char *yysrc)
{
  char *yyd = yydest;
  const char *yys = yysrc;

  while ((*yyd++ = *yys++) != '\0')
    continue;

  return yyd - 1;
}
#  endif
# endif

# ifndef yytnamerr
/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
   quotes and backslashes, so that it's suitable for yyerror.  The
   heuristic is that double-quoting is unnecessary unless the string
   contains an apostrophe, a comma, or backslash (other than
   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
   null, do not copy; instead, return the length of what the result
   would have been.  */
static YYSIZE_T
yytnamerr (char *yyres, const char *yystr)
{
  if (*yystr == '"')
    {
      YYSIZE_T yyn = 0;
      char const *yyp = yystr;

      for (;;)
        switch (*++yyp)
          {
          case '\'':
          case ',':
            goto do_not_strip_quotes;

          case '\\':
            if (*++yyp != '\\')
              goto do_not_strip_quotes;
            /* Fall through.  */
          default:
            if (yyres)
              yyres[yyn] = *yyp;
            yyn++;
            break;

          case '"':
            if (yyres)
              yyres[yyn] = '\0';
            return yyn;
          }
    do_not_strip_quotes: ;
    }

  if (! yyres)
    return yystrlen (yystr);

  return yystpcpy (yyres, yystr) - yyres;
}
# endif

/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message
   about the unexpected token YYTOKEN for the state stack whose top is
   YYSSP.

   Return 0 if *YYMSG was successfully written.  Return 1 if *YYMSG is
   not large enough to hold the message.  In that case, also set
   *YYMSG_ALLOC to the required number of bytes.  Return 2 if the
   required number of bytes is too large to store.  */
static int
yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg,
                yytype_int16 *yyssp, int yytoken)
{
  YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]);
  YYSIZE_T yysize = yysize0;
  enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
  /* Internationalized format string. */
  const char *yyformat = YY_NULLPTR;
  /* Arguments of yyformat. */
  char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
  /* Number of reported tokens (one for the "unexpected", one per
     "expected"). */
  int yycount = 0;

  /* There are many possibilities here to consider:
     - If this state is a consistent state with a default action, then
       the only way this function was invoked is if the default action
       is an error action.  In that case, don't check for expected
       tokens because there are none.
     - The only way there can be no lookahead present (in yychar) is if
       this state is a consistent state with a default action.  Thus,
       detecting the absence of a lookahead is sufficient to determine
       that there is no unexpected or expected token to report.  In that
       case, just report a simple "syntax error".
     - Don't assume there isn't a lookahead just because this state is a
       consistent state with a default action.  There might have been a
       previous inconsistent state, consistent state with a non-default
       action, or user semantic action that manipulated yychar.
     - Of course, the expected token list depends on states to have
       correct lookahead information, and it depends on the parser not
       to perform extra reductions after fetching a lookahead from the
       scanner and before detecting a syntax error.  Thus, state merging
       (from LALR or IELR) and default reductions corrupt the expected
       token list.  However, the list is correct for canonical LR with
       one exception: it will still contain any token that will not be
       accepted due to an error action in a later state.
  */
  if (yytoken != YYEMPTY)
    {
      int yyn = yypact[*yyssp];
      yyarg[yycount++] = yytname[yytoken];
      if (!yypact_value_is_default (yyn))
        {
          /* Start YYX at -YYN if negative to avoid negative indexes in
             YYCHECK.  In other words, skip the first -YYN actions for
             this state because they are default actions.  */
          int yyxbegin = yyn < 0 ? -yyn : 0;
          /* Stay within bounds of both yycheck and yytname.  */
          int yychecklim = YYLAST - yyn + 1;
          int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
          int yyx;

          for (yyx = yyxbegin; yyx < yyxend; ++yyx)
            if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR
                && !yytable_value_is_error (yytable[yyx + yyn]))
              {
                if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
                  {
                    yycount = 1;
                    yysize = yysize0;
                    break;
                  }
                yyarg[yycount++] = yytname[yyx];
                {
                  YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]);
                  if (! (yysize <= yysize1
                         && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
                    return 2;
                  yysize = yysize1;
                }
              }
        }
    }

  switch (yycount)
    {
# define YYCASE_(N, S)                      \
      case N:                               \
        yyformat = S;                       \
      break
      YYCASE_(0, YY_("syntax error"));
      YYCASE_(1, YY_("syntax error, unexpected %s"));
      YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s"));
      YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s"));
      YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s"));
      YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"));
# undef YYCASE_
    }

  {
    YYSIZE_T yysize1 = yysize + yystrlen (yyformat);
    if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM))
      return 2;
    yysize = yysize1;
  }

  if (*yymsg_alloc < yysize)
    {
      *yymsg_alloc = 2 * yysize;
      if (! (yysize <= *yymsg_alloc
             && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM))
        *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM;
      return 1;
    }

  /* Avoid sprintf, as that infringes on the user's name space.
     Don't have undefined behavior even if the translation
     produced a string with the wrong number of "%s"s.  */
  {
    char *yyp = *yymsg;
    int yyi = 0;
    while ((*yyp = *yyformat) != '\0')
      if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount)
        {
          yyp += yytnamerr (yyp, yyarg[yyi++]);
          yyformat += 2;
        }
      else
        {
          yyp++;
          yyformat++;
        }
  }
  return 0;
}
#endif /* YYERROR_VERBOSE */

/*-----------------------------------------------.
| Release the memory associated to this symbol.  |
`-----------------------------------------------*/

static void
yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
{
  YYUSE (yyvaluep);
  if (!yymsg)
    yymsg = "Deleting";
  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);

  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
  YYUSE (yytype);
  YY_IGNORE_MAYBE_UNINITIALIZED_END
}




/* The lookahead symbol.  */
int yychar;

/* The semantic value of the lookahead symbol.  */
YYSTYPE yylval;
/* Number of syntax errors so far.  */
int yynerrs;


/*----------.
| yyparse.  |
`----------*/

int
yyparse (void)
{
    int yystate;
    /* Number of tokens to shift before error messages enabled.  */
    int yyerrstatus;

    /* The stacks and their tools:
       'yyss': related to states.
       'yyvs': related to semantic values.

       Refer to the stacks through separate pointers, to allow yyoverflow
       to reallocate them elsewhere.  */

    /* The state stack.  */
    yytype_int16 yyssa[YYINITDEPTH];
    yytype_int16 *yyss;
    yytype_int16 *yyssp;

    /* The semantic value stack.  */
    YYSTYPE yyvsa[YYINITDEPTH];
    YYSTYPE *yyvs;
    YYSTYPE *yyvsp;

    YYSIZE_T yystacksize;

  int yyn;
  int yyresult;
  /* Lookahead token as an internal (translated) token number.  */
  int yytoken = 0;
  /* The variables used to return semantic value and location from the
     action routines.  */
  YYSTYPE yyval;

#if YYERROR_VERBOSE
  /* Buffer for error messages, and its allocated size.  */
  char yymsgbuf[128];
  char *yymsg = yymsgbuf;
  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
#endif

#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))

  /* The number of symbols on the RHS of the reduced rule.
     Keep to zero when no symbol should be popped.  */
  int yylen = 0;

  yyssp = yyss = yyssa;
  yyvsp = yyvs = yyvsa;
  yystacksize = YYINITDEPTH;

  YYDPRINTF ((stderr, "Starting parse\n"));

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY; /* Cause a token to be read.  */
  goto yysetstate;

/*------------------------------------------------------------.
| yynewstate -- Push a new state, which is found in yystate.  |
`------------------------------------------------------------*/
 yynewstate:
  /* In all cases, when you get here, the value and location stacks
     have just been pushed.  So pushing a state here evens the stacks.  */
  yyssp++;

 yysetstate:
  *yyssp = yystate;

  if (yyss + yystacksize - 1 <= yyssp)
    {
      /* Get the current used size of the three stacks, in elements.  */
      YYSIZE_T yysize = yyssp - yyss + 1;

#ifdef yyoverflow
      {
        /* Give user a chance to reallocate the stack.  Use copies of
           these so that the &'s don't force the real ones into
           memory.  */
        YYSTYPE *yyvs1 = yyvs;
        yytype_int16 *yyss1 = yyss;

        /* Each stack pointer address is followed by the size of the
           data in use in that stack, in bytes.  This used to be a
           conditional around just the two extra args, but that might
           be undefined if yyoverflow is a macro.  */
        yyoverflow (YY_("memory exhausted"),
                    &yyss1, yysize * sizeof (*yyssp),
                    &yyvs1, yysize * sizeof (*yyvsp),
                    &yystacksize);

        yyss = yyss1;
        yyvs = yyvs1;
      }
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
      goto yyexhaustedlab;
# else
      /* Extend the stack our own way.  */
      if (YYMAXDEPTH <= yystacksize)
        goto yyexhaustedlab;
      yystacksize *= 2;
      if (YYMAXDEPTH < yystacksize)
        yystacksize = YYMAXDEPTH;

      {
        yytype_int16 *yyss1 = yyss;
        union yyalloc *yyptr =
          (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
        if (! yyptr)
          goto yyexhaustedlab;
        YYSTACK_RELOCATE (yyss_alloc, yyss);
        YYSTACK_RELOCATE (yyvs_alloc, yyvs);
#  undef YYSTACK_RELOCATE
        if (yyss1 != yyssa)
          YYSTACK_FREE (yyss1);
      }
# endif
#endif /* no yyoverflow */

      yyssp = yyss + yysize - 1;
      yyvsp = yyvs + yysize - 1;

      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
                  (unsigned long int) yystacksize));

      if (yyss + yystacksize - 1 <= yyssp)
        YYABORT;
    }

  YYDPRINTF ((stderr, "Entering state %d\n", yystate));

  if (yystate == YYFINAL)
    YYACCEPT;

  goto yybackup;

/*-----------.
| yybackup.  |
`-----------*/
yybackup:

  /* Do appropriate processing given the current state.  Read a
     lookahead token if we need one and don't already have one.  */

  /* First try to decide what to do without reference to lookahead token.  */
  yyn = yypact[yystate];
  if (yypact_value_is_default (yyn))
    goto yydefault;

  /* Not known => get a lookahead token if don't already have one.  */

  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
  if (yychar == YYEMPTY)
    {
      YYDPRINTF ((stderr, "Reading a token: "));
      yychar = yylex ();
    }

  if (yychar <= YYEOF)
    {
      yychar = yytoken = YYEOF;
      YYDPRINTF ((stderr, "Now at end of input.\n"));
    }
  else
    {
      yytoken = YYTRANSLATE (yychar);
      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
    }

  /* If the proper action on seeing token YYTOKEN is to reduce or to
     detect an error, take that action.  */
  yyn += yytoken;
  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
    goto yydefault;
  yyn = yytable[yyn];
  if (yyn <= 0)
    {
      if (yytable_value_is_error (yyn))
        goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }

  /* Count tokens shifted since error; after three, turn off error
     status.  */
  if (yyerrstatus)
    yyerrstatus--;

  /* Shift the lookahead token.  */
  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);

  /* Discard the shifted token.  */
  yychar = YYEMPTY;

  yystate = yyn;
  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
  *++yyvsp = yylval;
  YY_IGNORE_MAYBE_UNINITIALIZED_END

  goto yynewstate;


/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state.  |
`-----------------------------------------------------------*/
yydefault:
  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;
  goto yyreduce;


/*-----------------------------.
| yyreduce -- Do a reduction.  |
`-----------------------------*/
yyreduce:
  /* yyn is the number of a rule to reduce with.  */
  yylen = yyr2[yyn];

  /* If YYLEN is nonzero, implement the default value of the action:
     '$$ = $1'.

     Otherwise, the following line sets YYVAL to garbage.
     This behavior is undocumented and Bison
     users should not rely upon it.  Assigning to YYVAL
     unconditionally makes the parser a bit smaller, and it avoids a
     GCC warning that YYVAL may be used uninitialized.  */
  yyval = yyvsp[1-yylen];


  YY_REDUCE_PRINT (yyn);
  switch (yyn)
    {
        case 6:
#line 1728 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			if((yyvsp[-3].name))
			{
				if(((yyvsp[-3].name))[0] == '!')
				{
					printf("#ifndef %s\n\n", (yyvsp[-3].name) + 1);
				}
				else
				{
					printf("#ifdef %s\n\n", (yyvsp[-3].name));
				}
			}
			printf("case %s:\n{\n", (yyvsp[-4].name));
			gensel_output_clauses((yyvsp[0].clauses).head, (yyvsp[-1].options).head);
			printf("}\nbreak;\n\n");
			if((yyvsp[-3].name))
			{
				printf("#endif /* %s */\n\n", (yyvsp[-3].name));
			}
			gensel_free_clauses((yyvsp[0].clauses).head);
			gensel_add_supported((yyvsp[-4].name), (yyvsp[-3].name));
		}
#line 3029 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 7:
#line 1750 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_inst_type = (yyvsp[0].name);
			gensel_new_inst_type = 1;
		}
#line 3038 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 8:
#line 1754 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_create_regclass((yyvsp[-1].name), (yyvsp[0].name), 0);
		}
#line 3046 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 9:
#line 1757 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_create_regclass((yyvsp[-1].name), (yyvsp[0].name), 1);
		}
#line 3054 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 10:
#line 1763 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.name) = (yyvsp[0].name); }
#line 3060 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 11:
#line 1764 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			char *result = (char *)malloc(strlen((yyvsp[-2].name)) + strlen((yyvsp[0].name)) + 16);
			if(!result)
			{
				exit(1);
			}
			strcpy(result, (yyvsp[-2].name));
			strcat(result, ":\ncase ");
			strcat(result, (yyvsp[0].name));
			free((yyvsp[-2].name));
			free((yyvsp[0].name));
			(yyval.name) = result;
		}
#line 3078 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 12:
#line 1780 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.name) = 0; }
#line 3084 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 13:
#line 1781 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.name) = (yyvsp[-1].name); }
#line 3090 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 14:
#line 1785 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.options).head = 0;
			(yyval.options).tail = 0;
		}
#line 3099 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 15:
#line 1789 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.options).head = (yyvsp[0].option);
			(yyval.options).tail = (yyvsp[0].option);
		}
#line 3108 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 16:
#line 1793 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyvsp[-2].options).tail->next = (yyvsp[0].option);
			(yyval.options).head = (yyvsp[-2].options).head;
			(yyval.options).tail = (yyvsp[0].option);
		}
#line 3118 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 17:
#line 1801 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_option((yyvsp[0].tag), 0);
		}
#line 3126 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 18:
#line 1807 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.clauses) = (yyvsp[0].clauses); }
#line 3132 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 19:
#line 1808 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyvsp[-1].clauses).tail->next = (yyvsp[0].clauses).head;
			(yyval.clauses).head = (yyvsp[-1].clauses).head;
			(yyval.clauses).tail = (yyvsp[0].clauses).tail;
		}
#line 3142 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 20:
#line 1816 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_clause_t clause;
			clause = (gensel_clause_t)malloc(sizeof(struct gensel_clause));
			if(!clause)
			{
				exit(1);
			}
			clause->dest = (yyvsp[-4].tag);
			clause->pattern = (yyvsp[-3].options).head;
			clause->filename = (yyvsp[0].code).filename;
			clause->linenum = (yyvsp[0].code).linenum;
			clause->code = (yyvsp[0].code).block;
			clause->next = 0;
			(yyval.clauses).head = clause;
			(yyval.clauses).tail = clause;
		}
#line 3163 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 21:
#line 1835 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.options).head = 0;
			(yyval.options).tail = 0;
		}
#line 3172 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 22:
#line 1839 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.options).head = (yyvsp[0].option);
			(yyval.options).tail = (yyvsp[0].option);
		}
#line 3181 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 23:
#line 1843 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyvsp[-2].options).tail->next = (yyvsp[0].option);
			(yyval.options).head = (yyvsp[-2].options).head;
			(yyval.options).tail = (yyvsp[0].option);
		}
#line 3191 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 24:
#line 1851 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_option((yyvsp[0].tag), 0);
		}
#line 3199 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 25:
#line 1854 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_register((yyvsp[-1].tag), (yyvsp[0].value), 0);
		}
#line 3207 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 26:
#line 1857 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_register((yyvsp[-4].tag), (yyvsp[-3].value), (yyvsp[-1].value));
		}
#line 3215 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 27:
#line 1860 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_regclass_t regclass;
			regclass = (yyvsp[-3].value)->value;
			if(!regclass->is_long)
			{
				gensel_error(
					gensel_filename, gensel_linenum,
					"not a long pair register");
			}
			(yyval.option) = gensel_create_register((yyvsp[-4].tag), (yyvsp[-3].value), (yyvsp[-1].values).head);
		}
#line 3231 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 28:
#line 1871 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_regclass_t regclass;
			regclass = (yyvsp[0].value)->value;
			if(regclass->is_long)
			{
				gensel_error(
					gensel_filename, gensel_linenum,
					"scratch register cannot be a long pair");
			}
			(yyval.option) = gensel_create_scratch((yyvsp[0].value), 0);
		}
#line 3247 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 29:
#line 1882 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			gensel_regclass_t regclass;
			regclass = (yyvsp[-3].value)->value;
			if(regclass->is_long)
			{
				gensel_error(
					gensel_filename, gensel_linenum,
					"scratch register cannot be a long pair");
			}
			(yyval.option) = gensel_create_scratch((yyvsp[-3].value), (yyvsp[-1].value));
		}
#line 3263 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 30:
#line 1893 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_option(GENSEL_PATT_CLOBBER, (yyvsp[-1].values).head);
		}
#line 3271 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 31:
#line 1896 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_option(GENSEL_PATT_IF, (yyvsp[-1].value));
		}
#line 3279 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 32:
#line 1899 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.option) = gensel_create_option(GENSEL_PATT_SPACE, (yyvsp[-1].value));
		}
#line 3287 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 33:
#line 1905 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.values).head = (yyval.values).tail = gensel_create_value(GENSEL_VALUE_ALL);
		}
#line 3295 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 34:
#line 1908 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.values) = (yyvsp[0].values);
		}
#line 3303 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 35:
#line 1914 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.values).head = (yyvsp[0].value);
			(yyval.values).tail = (yyvsp[0].value);
		}
#line 3312 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 36:
#line 1918 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyvsp[-2].values).tail->next = (yyvsp[0].value);
			(yyval.values).head = (yyvsp[-2].values).head;
			(yyval.values).tail = (yyvsp[0].value);
		}
#line 3322 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 37:
#line 1926 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.value) = (yyvsp[0].value); }
#line 3328 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 38:
#line 1927 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.value) = (yyvsp[0].value); }
#line 3334 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 39:
#line 1931 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.value) = gensel_create_regclass_value((yyvsp[0].name));
		}
#line 3342 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 40:
#line 1937 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyval.value) = gensel_create_string_value((yyvsp[0].name));
		}
#line 3350 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 41:
#line 1943 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			(yyvsp[-2].value)->next = (yyvsp[0].value);
			(yyval.values).head = (yyvsp[-2].value);
			(yyval.values).tail = (yyvsp[0].value);
		}
#line 3360 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 42:
#line 1951 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_TERNARY; }
#line 3366 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 43:
#line 1952 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_BRANCH; }
#line 3372 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 44:
#line 1953 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_NOTE; }
#line 3378 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 45:
#line 1954 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_COPY; }
#line 3384 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 46:
#line 1955 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_COMMUTATIVE; }
#line 3390 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 47:
#line 1956 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_STACK; }
#line 3396 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 48:
#line 1957 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_X87_ARITH; }
#line 3402 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 49:
#line 1958 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_X87_ARITH_REVERSIBLE; }
#line 3408 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 50:
#line 1961 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_MANUAL; }
#line 3414 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 51:
#line 1962 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_OPT_MORE_SPACE; }
#line 3420 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 52:
#line 1966 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMM; }
#line 3426 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 53:
#line 1967 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMZERO; }
#line 3432 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 54:
#line 1968 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMS8; }
#line 3438 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 55:
#line 1969 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMU8; }
#line 3444 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 56:
#line 1970 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMS16; }
#line 3450 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 57:
#line 1971 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMU16; }
#line 3456 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 58:
#line 1972 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMS32; }
#line 3462 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 59:
#line 1973 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_IMMU32; }
#line 3468 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 60:
#line 1974 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_LOCAL; }
#line 3474 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 61:
#line 1975 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_FRAME; }
#line 3480 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 62:
#line 1976 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_PATT_ANY; }
#line 3486 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 63:
#line 1980 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = 0; }
#line 3492 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 64:
#line 1981 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = 1; }
#line 3498 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 65:
#line 1985 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = 0; }
#line 3504 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 66:
#line 1986 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_VALUE_CLOBBER; }
#line 3510 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 67:
#line 1987 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.tag) = GENSEL_VALUE_EARLY_CLOBBER; }
#line 3516 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 68:
#line 1991 "gen-rules-parser.y" /* yacc.c:1646  */
    { (yyval.name) = (yyvsp[0].name); }
#line 3522 "gen-rules-parser.c" /* yacc.c:1646  */
    break;

  case 69:
#line 1992 "gen-rules-parser.y" /* yacc.c:1646  */
    {
			char *cp = malloc(strlen((yyvsp[-1].name)) + strlen((yyvsp[0].name)) + 1);
			if(!cp)
			{
				exit(1);
			}
			strcpy(cp, (yyvsp[-1].name));
			strcat(cp, (yyvsp[0].name));
			free((yyvsp[-1].name));
			free((yyvsp[0].name));
			(yyval.name) = cp;
		}
#line 3539 "gen-rules-parser.c" /* yacc.c:1646  */
    break;


#line 3543 "gen-rules-parser.c" /* yacc.c:1646  */
      default: break;
    }
  /* User semantic actions sometimes alter yychar, and that requires
     that yytoken be updated with the new translation.  We take the
     approach of translating immediately before every use of yytoken.
     One alternative is translating here after every semantic action,
     but that translation would be missed if the semantic action invokes
     YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or
     if it invokes YYBACKUP.  In the case of YYABORT or YYACCEPT, an
     incorrect destructor might then be invoked immediately.  In the
     case of YYERROR or YYBACKUP, subsequent parser actions might lead
     to an incorrect destructor call or verbose syntax error message
     before the lookahead is translated.  */
  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);

  YYPOPSTACK (yylen);
  yylen = 0;
  YY_STACK_PRINT (yyss, yyssp);

  *++yyvsp = yyval;

  /* Now 'shift' the result of the reduction.  Determine what state
     that goes to, based on the state we popped back to and the rule
     number reduced by.  */

  yyn = yyr1[yyn];

  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    yystate = yytable[yystate];
  else
    yystate = yydefgoto[yyn - YYNTOKENS];

  goto yynewstate;


/*--------------------------------------.
| yyerrlab -- here on detecting error.  |
`--------------------------------------*/
yyerrlab:
  /* Make sure we have latest lookahead translation.  See comments at
     user semantic actions for why this is necessary.  */
  yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar);

  /* If not already recovering from an error, report this error.  */
  if (!yyerrstatus)
    {
      ++yynerrs;
#if ! YYERROR_VERBOSE
      yyerror (YY_("syntax error"));
#else
# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
                                        yyssp, yytoken)
      {
        char const *yymsgp = YY_("syntax error");
        int yysyntax_error_status;
        yysyntax_error_status = YYSYNTAX_ERROR;
        if (yysyntax_error_status == 0)
          yymsgp = yymsg;
        else if (yysyntax_error_status == 1)
          {
            if (yymsg != yymsgbuf)
              YYSTACK_FREE (yymsg);
            yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc);
            if (!yymsg)
              {
                yymsg = yymsgbuf;
                yymsg_alloc = sizeof yymsgbuf;
                yysyntax_error_status = 2;
              }
            else
              {
                yysyntax_error_status = YYSYNTAX_ERROR;
                yymsgp = yymsg;
              }
          }
        yyerror (yymsgp);
        if (yysyntax_error_status == 2)
          goto yyexhaustedlab;
      }
# undef YYSYNTAX_ERROR
#endif
    }



  if (yyerrstatus == 3)
    {
      /* If just tried and failed to reuse lookahead token after an
         error, discard it.  */

      if (yychar <= YYEOF)
        {
          /* Return failure if at end of input.  */
          if (yychar == YYEOF)
            YYABORT;
        }
      else
        {
          yydestruct ("Error: discarding",
                      yytoken, &yylval);
          yychar = YYEMPTY;
        }
    }

  /* Else will try to reuse lookahead token after shifting the error
     token.  */
  goto yyerrlab1;


/*---------------------------------------------------.
| yyerrorlab -- error raised explicitly by YYERROR.  |
`---------------------------------------------------*/
yyerrorlab:

  /* Pacify compilers like GCC when the user code never invokes
     YYERROR and the label yyerrorlab therefore never appears in user
     code.  */
  if (/*CONSTCOND*/ 0)
     goto yyerrorlab;

  /* Do not reclaim the symbols of the rule whose action triggered
     this YYERROR.  */
  YYPOPSTACK (yylen);
  yylen = 0;
  YY_STACK_PRINT (yyss, yyssp);
  yystate = *yyssp;
  goto yyerrlab1;


/*-------------------------------------------------------------.
| yyerrlab1 -- common code for both syntax error and YYERROR.  |
`-------------------------------------------------------------*/
yyerrlab1:
  yyerrstatus = 3;      /* Each real token shifted decrements this.  */

  for (;;)
    {
      yyn = yypact[yystate];
      if (!yypact_value_is_default (yyn))
        {
          yyn += YYTERROR;
          if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
            {
              yyn = yytable[yyn];
              if (0 < yyn)
                break;
            }
        }

      /* Pop the current state because it cannot handle the error token.  */
      if (yyssp == yyss)
        YYABORT;


      yydestruct ("Error: popping",
                  yystos[yystate], yyvsp);
      YYPOPSTACK (1);
      yystate = *yyssp;
      YY_STACK_PRINT (yyss, yyssp);
    }

  YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
  *++yyvsp = yylval;
  YY_IGNORE_MAYBE_UNINITIALIZED_END


  /* Shift the error token.  */
  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);

  yystate = yyn;
  goto yynewstate;


/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here.  |
`-------------------------------------*/
yyacceptlab:
  yyresult = 0;
  goto yyreturn;

/*-----------------------------------.
| yyabortlab -- YYABORT comes here.  |
`-----------------------------------*/
yyabortlab:
  yyresult = 1;
  goto yyreturn;

#if !defined yyoverflow || YYERROR_VERBOSE
/*-------------------------------------------------.
| yyexhaustedlab -- memory exhaustion comes here.  |
`-------------------------------------------------*/
yyexhaustedlab:
  yyerror (YY_("memory exhausted"));
  yyresult = 2;
  /* Fall through.  */
#endif

yyreturn:
  if (yychar != YYEMPTY)
    {
      /* Make sure we have latest lookahead translation.  See comments at
         user semantic actions for why this is necessary.  */
      yytoken = YYTRANSLATE (yychar);
      yydestruct ("Cleanup: discarding lookahead",
                  yytoken, &yylval);
    }
  /* Do not reclaim the symbols of the rule whose action triggered
     this YYABORT or YYACCEPT.  */
  YYPOPSTACK (yylen);
  YY_STACK_PRINT (yyss, yyssp);
  while (yyssp != yyss)
    {
      yydestruct ("Cleanup: popping",
                  yystos[*yyssp], yyvsp);
      YYPOPSTACK (1);
    }
#ifndef yyoverflow
  if (yyss != yyssa)
    YYSTACK_FREE (yyss);
#endif
#if YYERROR_VERBOSE
  if (yymsg != yymsgbuf)
    YYSTACK_FREE (yymsg);
#endif
  return yyresult;
}
#line 2006 "gen-rules-parser.y" /* yacc.c:1906  */


#define	COPYRIGHT_MSG	\
" * Copyright (C) 2004, 2006-2007  Southern Storm Software, Pty Ltd.\n" \
" *\n" \
" * This file is part of the libjit library.\n" \
" *\n" \
" * The libjit library is free software: you can redistribute it and/or\n" \
" * modify it under the terms of the GNU Lesser General Public License\n" \
" * as published by the Free Software Foundation, either version 2.1 of\n" \
" * the License, or (at your option) any later version.\n" \
" *\n" \
" * The libjit library is distributed in the hope that it will be useful,\n" \
" * but WITHOUT ANY WARRANTY; without even the implied warranty of\n" \
" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n" \
" * Lesser General Public License for more details.\n" \
" *\n" \
" * You should have received a copy of the GNU Lesser General Public\n" \
" * License along with the libjit library.  If not, see\n" \
" * <http://www.gnu.org/licenses/>.\n"
 
int main(int argc, char *argv[])
{
	FILE *file;
	if(argc != 2)
	{
		fprintf(stderr, "Usage: %s input.sel >output.slc\n", argv[0]);
		return 1;
	}
	file = fopen(argv[1], "r");
	if(!file)
	{
		perror(argv[1]);
		return 1;
	}
	printf("/%c Automatically generated from %s - DO NOT EDIT %c/\n",
		   '*', argv[1], '*');
	printf("/%c\n%s%c/\n\n", '*', COPYRIGHT_MSG, '*');
	printf("#if defined(JIT_INCLUDE_RULES)\n\n");
	gensel_filename = argv[1];
	gensel_linenum = 1;
	yyrestart(file);
	if(yyparse())
	{
		fclose(file);
		return 1;
	}
	fclose(file);
	printf("#elif defined(JIT_INCLUDE_SUPPORTED)\n\n");
	gensel_output_supported();
	printf("#endif\n");
	return 0;
}