X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Farm%2Farm_nodes_attr.h;h=ad7f5256f5ce193df581b1676e654e69b2f59b47;hb=6e5fd745c70d70f56fbe65df64983675897eb304;hp=b7e9de7e8da9859bc387723ef069d3acff35d4ee;hpb=021dd42c11eca475bae9fb4176a6b8f02f471c43;p=libfirm diff --git a/ir/be/arm/arm_nodes_attr.h b/ir/be/arm/arm_nodes_attr.h index b7e9de7e8..ad7f5256f 100644 --- a/ir/be/arm/arm_nodes_attr.h +++ b/ir/be/arm/arm_nodes_attr.h @@ -1,31 +1,146 @@ -#ifndef _ARM_NODES_ATTR_H_ -#define _ARM_NODES_ATTR_H_ +/* + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. + * + * This file is part of libFirm. + * + * This file may be distributed and/or modified under the terms of the + * GNU General Public License version 2 as published by the Free Software + * Foundation and appearing in the file LICENSE.GPL included in the + * packaging of this file. + * + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE + * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ +/** + * @file + * @brief declarations for ARM node attributes + * @author Oliver Richter, Tobias Gneist, Michael Beck + * @version $Id$ + */ +#ifndef FIRM_BE_ARM_ARM_NODES_ATTR_H +#define FIRM_BE_ARM_ARM_NODES_ATTR_H + +#include "firm_types.h" +#include "irnode_t.h" #include "../bearch.h" -#include "../../common/firm_types.h" +/** + * Possible ARM "shifter operand" addressing mode types. + */ +typedef enum arm_shift_modifier_t { + ARM_SHF_INVALID, /**< invalid shift */ + ARM_SHF_REG, /**< simple register operand */ + ARM_SHF_IMM, /**< immediate operand with implicit ROR */ + ARM_SHF_ASR_IMM, /**< arithmetic shift right */ + ARM_SHF_ASR_REG, /**< arithmetic shift right */ + ARM_SHF_LSL_IMM, /**< logical shift left */ + ARM_SHF_LSL_REG, /**< logical shift left */ + ARM_SHF_LSR_IMM, /**< logical shift right */ + ARM_SHF_LSR_REG, /**< logical shift right */ + ARM_SHF_ROR_IMM, /**< rotate right */ + ARM_SHF_ROR_REG, /**< rotate right */ + ARM_SHF_RRX, /**< rotate right through carry bits */ +} arm_shift_modifier_t; -typedef struct _arm_register_req_t { - const arch_register_req_t req; - int same_pos; /**<< in case of "should be same" we need to remember the pos to get the irn */ - int different_pos; /**<< in case of "should be different" we need to remember the pos to get the irn */ -} arm_register_req_t; +/** Encoding for fpa immediates */ +enum fpa_immediates { + fpa_null = 0, + fpa_one, + fpa_two, + fpa_three, + fpa_four, + fpa_five, + fpa_ten, + fpa_half, + fpa_max +}; +/** Generic ARM node attributes. */ +typedef struct arm_attr_t { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + bool is_load_store : 1; /**< if set, this is a load or store instruction */ +} arm_attr_t; -typedef struct _arm_attr_t { - arch_irn_flags_t flags; /**<< indicating if spillable, rematerializeable ... etc. */ - int n_res; /**<< number of results for this node */ +/** + * This struct holds information needed to produce the arm + * "data processing operands" also called "shifter operand" addressing modes + */ +typedef struct arm_shifter_operand_t { + arm_attr_t base; + arm_shift_modifier_t shift_modifier; + unsigned char immediate_value; + unsigned char shift_immediate; +} arm_shifter_operand_t; - const arm_register_req_t **in_req; /**<< register requirements for arguments */ - const arm_register_req_t **out_req; /**<< register requirements for results */ +typedef struct arm_cmp_attr_t { + arm_shifter_operand_t base; + bool ins_permuted : 1; + bool is_unsigned : 1; +} arm_cmp_attr_t; - const arch_register_t **slots; /**<< register slots for assigned registers */ +/** + * this struct holds information needed to produce the arm addressing modes + * for "Load and Store Word or Unsigned Byte", "Miscellaneous Loads and Stores" + * and "Load and Store Multiple" */ +typedef struct arm_load_store_attr_t { + arm_attr_t base; + ir_mode *load_store_mode; + ir_entity *entity; + long offset; + bool is_frame_entity : 1; + bool entity_sign : 1; +} arm_load_store_attr_t; - tarval *value; - const char *symconst_label; - int proj_num; - int n_projs; - long default_proj_num; -} arm_attr_t; +/** Attributes for a SymConst */ +typedef struct arm_SymConst_attr_t { + arm_attr_t base; + ir_entity *entity; + int fp_offset; +} arm_SymConst_attr_t; + +/** Attributes for a CondJmp */ +typedef struct arm_CondJmp_attr_t { + arm_attr_t base; + pn_Cmp pnc; +} arm_CondJmp_attr_t; + +/** Attributes for a SwitchJmp */ +typedef struct arm_SwitchJmp_attr_t { + arm_attr_t base; + int n_projs; + long default_proj_num; +} arm_SwitchJmp_attr_t; + +/** CopyB attributes */ +typedef struct arm_CopyB_attr_t { + arm_attr_t base; + unsigned size; +} arm_CopyB_attr_t; + +/** Attributes for a fConst */ +typedef struct arm_fConst_attr_t { + arm_attr_t base; + tarval *tv; /**< the tarval representing the FP const */ +} arm_fConst_attr_t; + +/** attributes for floatingpoint arithmetic operations */ +typedef struct arm_farith_attr_t { + arm_attr_t base; + ir_mode *mode; /* operation mode */ +} arm_farith_attr_t; + +/** + * Return the fpa immediate from the encoding. + */ +const char *arm_get_fpa_imm_name(long imm_value); + +#define CAST_ARM_ATTR(type,ptr) ((type *)(ptr)) +#define CONST_CAST_ARM_ATTR(type,ptr) ((const type *)(ptr)) -#endif /* _ARM_NODES_ATTR_H_ */ +#endif