amd64_nodes_attr.h

/*
 * This file is part of libFirm.
 * Copyright (C) 2012 University of Karlsruhe.
 */

/**
 * @file
 * @brief   attributes attached to all amd64 nodes
 */
#ifndef FIRM_BE_AMD64_AMD64_NODES_ATTR_H
#define FIRM_BE_AMD64_AMD64_NODES_ATTR_H

#include <stdint.h>

#include "bearch.h"
#include "compiler.h"
#include "../ia32/x86_cc.h"
#include "../ia32/x86_asm.h"

enum amd64_arch_irn_flags_t {
	amd64_arch_irn_flag_commutative_binop = arch_irn_flag_backend << 0,
};

typedef enum {
	INSN_MODE_INVALID = 0,
	INSN_MODE_128,
	INSN_MODE_64,
	INSN_MODE_32,
	INSN_MODE_16,
	INSN_MODE_8
} amd64_insn_mode_t;

typedef enum {
	AMD64_SEGMENT_DEFAULT,
	AMD64_SEGMENT_CS,
	AMD64_SEGMENT_SS,
	AMD64_SEGMENT_DS,
	AMD64_SEGMENT_ES,
	AMD64_SEGMENT_FS,
	AMD64_SEGMENT_GS,
} amd64_segment_selector_t;

typedef enum {
	AMD64_OP_NONE,
	AMD64_OP_ADDR,
	AMD64_OP_REG,
	AMD64_OP_REG_REG,
	AMD64_OP_REG_IMM,
	AMD64_OP_IMM32,
	AMD64_OP_IMM64,
	AMD64_OP_ADDR_REG,
	AMD64_OP_ADDR_IMM,
	AMD64_OP_UNOP_REG,
	AMD64_OP_UNOP_IMM32,
	AMD64_OP_UNOP_ADDR,
	AMD64_OP_SHIFT_REG,
	AMD64_OP_SHIFT_IMM,
	/** A binary operation with 1 operand being RAX (which is usually not
	 * explicitely given in the assembly */
	AMD64_OP_RAX_REG,
	AMD64_OP_RAX_ADDR,
} amd64_op_mode_t;

enum {
	NO_INPUT  = 0xFF,
	RIP_INPUT = 0xFE, /* can be used as base_input for PIC code */
};

typedef struct {
	ir_entity *entity;
	int32_t    offset;
} amd64_imm32_t;

typedef struct {
	ir_entity *entity;
	int64_t    offset;
} amd64_imm64_t;

typedef struct {
	amd64_imm32_t immediate;
	uint8_t       base_input;
	uint8_t       index_input;
	uint8_t       mem_input;
	unsigned      log_scale : 2; /* 0, 1, 2, 3  (giving scale 1, 2, 4, 8) */
	ENUMBF(amd64_segment_selector_t) segment : 4;
} amd64_addr_t;

typedef struct {
	except_attr exc; /**< the exception attribute. MUST be the first one. */
	ENUMBF(amd64_op_mode_t) op_mode : 4;
} amd64_attr_t;

typedef struct {
	amd64_attr_t base;
	bool                      needs_frame_ent : 1;
	ENUMBF(amd64_insn_mode_t) insn_mode       : 3;
	amd64_addr_t addr;
} amd64_addr_attr_t;

typedef struct {
	amd64_addr_attr_t base;
	union {
		uint8_t       reg_input;
		amd64_imm32_t immediate;
	} u;
} amd64_binop_addr_attr_t;

typedef struct {
	amd64_attr_t base;
	ENUMBF(amd64_insn_mode_t) insn_mode : 3;
	uint8_t                   immediate;
} amd64_shift_attr_t;

typedef struct {
	amd64_attr_t base;
	ENUMBF(amd64_insn_mode_t) insn_mode : 3;
	amd64_imm64_t             immediate;
} amd64_movimm_attr_t;

typedef struct {
	amd64_attr_t         base;
	x86_condition_code_t cc;
} amd64_cc_attr_t;

typedef struct {
	amd64_attr_t           base;
	const ir_switch_table *table;
	ir_entity             *table_entity;
} amd64_switch_jmp_attr_t;

#endif