2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief declarations for ARM node attributes
23 * @author Oliver Richter, Tobias Gneist, Michael Beck
26 #ifndef FIRM_BE_ARM_ARM_NODES_ATTR_H
27 #define FIRM_BE_ARM_ARM_NODES_ATTR_H
29 #include "firm_types.h"
31 #include "../bearch.h"
34 * Possible ARM "shifter operand" addressing mode types.
36 typedef enum arm_shift_modifier_t {
37 ARM_SHF_INVALID, /**< invalid shift */
38 ARM_SHF_REG, /**< simple register operand */
39 ARM_SHF_IMM, /**< immediate operand with implicit ROR */
40 ARM_SHF_ASR_IMM, /**< arithmetic shift right */
41 ARM_SHF_ASR_REG, /**< arithmetic shift right */
42 ARM_SHF_LSL_IMM, /**< logical shift left */
43 ARM_SHF_LSL_REG, /**< logical shift left */
44 ARM_SHF_LSR_IMM, /**< logical shift right */
45 ARM_SHF_LSR_REG, /**< logical shift right */
46 ARM_SHF_ROR_IMM, /**< rotate right */
47 ARM_SHF_ROR_REG, /**< rotate right */
48 ARM_SHF_RRX, /**< rotate right through carry bits */
49 } arm_shift_modifier_t;
51 /** Encoding for fpa immediates */
64 /** Generic ARM node attributes. */
65 typedef struct arm_attr_t {
66 except_attr exc; /**< the exception attribute. MUST be the first one. */
67 bool is_load_store : 1; /**< if set, this is a load or store instruction */
71 * This struct holds information needed to produce the arm
72 * "data processing operands" also called "shifter operand" addressing modes
74 typedef struct arm_shifter_operand_t {
76 arm_shift_modifier_t shift_modifier;
77 unsigned char immediate_value;
78 unsigned char shift_immediate;
79 } arm_shifter_operand_t;
81 typedef struct arm_cmp_attr_t {
82 arm_shifter_operand_t base;
83 bool ins_permuted : 1;
88 * this struct holds information needed to produce the arm addressing modes
89 * for "Load and Store Word or Unsigned Byte", "Miscellaneous Loads and Stores"
90 * and "Load and Store Multiple" */
91 typedef struct arm_load_store_attr_t {
93 ir_mode *load_store_mode;
96 bool is_frame_entity : 1;
98 } arm_load_store_attr_t;
100 /** Attributes for a SymConst */
101 typedef struct arm_SymConst_attr_t {
105 } arm_SymConst_attr_t;
107 /** Attributes for a CondJmp */
108 typedef struct arm_CondJmp_attr_t {
111 } arm_CondJmp_attr_t;
113 /** Attributes for a SwitchJmp */
114 typedef struct arm_SwitchJmp_attr_t {
117 long default_proj_num;
118 } arm_SwitchJmp_attr_t;
120 /** CopyB attributes */
121 typedef struct arm_CopyB_attr_t {
126 /** Attributes for a fConst */
127 typedef struct arm_fConst_attr_t {
129 ir_tarval *tv; /**< the tarval representing the FP const */
132 /** attributes for floatingpoint arithmetic operations */
133 typedef struct arm_farith_attr_t {
135 ir_mode *mode; /* operation mode */
139 * Return the fpa immediate from the encoding.
141 const char *arm_get_fpa_imm_name(long imm_value);
143 #define CAST_ARM_ATTR(type,ptr) ((type *)(ptr))
144 #define CONST_CAST_ARM_ATTR(type,ptr) ((const type *)(ptr))