arch_i386_gen.c

/*
 * $Id: arch_i386_gen.c,v 1.320 2012/02/24 07:14:31 vrsieh Exp $
 *
 * Copyright (C) 2008-2009 FAUcc Team <info@faumachine.org>.
 * This program is free software. You can redistribute it and/or modify it
 * under the terms of the GNU General Public License, either version 2 of
 * the License, or (at your option) any later version. See COPYING.
 */

/*
 * For gcc inline assembler see e.g.
 * http://ibiblio.org/gferg/ldp/GCC-Inline-Assembly-HOWTO.html
 */

#include <assert.h>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>

#include "identifier.h"
#include "declaration.h"
#include "scope.h"
#include "stmt.h"
#include "simplify.h"
#include "arch_i386_gen.h"
#include "regalloc.h"
#include "cc1.h"

static struct declaration *arch_mul_int64;
static struct declaration *arch_mul_uint64;
static struct declaration *arch_div_int64;
static struct declaration *arch_div_uint64;
static struct declaration *arch_mod_int64;
static struct declaration *arch_mod_uint64;

enum reg {
/*0*/	AL, DL, CL, BL,
/*4*/	AH, DH, CH, BH,
/*8*/	AX, DX, CX, BX, DI, SI,
/*14*/	EAX, EDX, ECX, EBX, EDI, ESI,
/*20*/	EAX_EBX, EAX_ECX, EAX_EDX, EAX_EDI, EAX_ESI,
/*25*/	EBX_EAX, EBX_ECX, EBX_EDX, EBX_EDI, EBX_ESI,
/*30*/	ECX_EAX, ECX_EBX, ECX_EDX, ECX_EDI, ECX_ESI,
/*35*/	EDX_EAX, EDX_EBX, EDX_ECX, EDX_EDI, EDX_ESI,
/*40*/	EDI_EAX, EDI_EBX, EDI_ECX, EDI_EDX, EDI_ESI,
/*45*/	ESI_EAX, ESI_EBX, ESI_ECX, ESI_EDX, ESI_EDI,
/*50*/	ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7,

/*58*/	REG_COUNT
};

enum class {
	CLASS_NONE,

	CLASS_A,
	CLASS_D,
	CLASS_S,
	CLASS_a,
	CLASS_b,
	CLASS_c,
	CLASS_d,
	CLASS_f,
	CLASS_q,
	CLASS_r,
	CLASS_t,
	CLASS_u,
	CLASS_st2,
	CLASS_st3,
	CLASS_st4,