/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
/**
* @file
- * @brief declarations for arm node attributes
- * @author Oliver Richter, Tobias Gneist
+ * @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 "../bearch_t.h"
#include "firm_types.h"
+#include "irnode_t.h"
+#include "../bearch.h"
/**
- * Possible ARM register shift types.
+ * Possible ARM "shifter operand" addressing mode types.
*/
-typedef enum _arm_shift_modifier {
- ARM_SHF_NONE = 0, /**< no shift */
- ARM_SHF_IMM = 1, /**< immediate operand with implicit ROR */
- ARM_SHF_ASR = 2, /**< arithmetic shift right */
- ARM_SHF_LSL = 3, /**< logical shift left */
- ARM_SHF_LSR = 4, /**< logical shift right */
- ARM_SHF_ROR = 5, /**< rotate right */
- ARM_SHF_RRX = 6, /**< rotate with sign extend */
-} arm_shift_modifier;
-
-/** True, if the modifier implies a shift argument */
-#define ARM_HAS_SHIFT(mod) ((mod) > ARM_SHF_IMM)
-
-/** get the shift modifier from flags */
-#define ARM_GET_SHF_MOD(attr) ((attr)->instr_fl & 7)
-
-/** set the shift modifier to flags */
-#define ARM_SET_SHF_MOD(attr, mod) ((attr)->instr_fl = (((attr)->instr_fl & ~7) | (mod)))
+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;
+
+/** 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;
/**
- * Possible ARM condition codes.
+ * This struct holds information needed to produce the arm
+ * "data processing operands" also called "shifter operand" addressing modes
*/
-typedef enum _arm_condition {
- ARM_COND_EQ = 0, /**< Equal, Z set. */
- ARM_COND_NE = 1, /**< Not Equal, Z clear */
- ARM_COND_CS = 2, /**< Carry set, unsigned >=, C set */
- ARM_COND_CC = 3, /**< Carry clear, unsigned <, C clear */
- ARM_COND_MI = 4, /**< Minus/Negativ, N set */
- ARM_COND_PL = 5, /**< Plus/Positiv or Zero, N clear */
- ARM_COND_VS = 6, /**< Overflow, V set */
- ARM_COND_VC = 7, /**< No overflow, V clear */
- ARM_COND_HI = 8, /**< unsigned >, C set and Z clear */
- ARM_COND_LS = 9, /**< unsigned <=, C clear or Z set */
- ARM_COND_GE = 10, /**< signed >=, N == V */
- ARM_COND_LT = 11, /**< signed <, N != V */
- ARM_COND_GT = 12, /**< signed >, Z clear and N == V */
- ARM_COND_LE = 13, /**< signed <=, Z set or N != V */
- ARM_COND_AL = 14, /**< Always (unconditional) */
- ARM_COND_NV = 15 /**< forbidden */
-} arm_condition;
-
-/** Get the condition code from flags */
-#define ARM_GET_COND(attr) (((attr)->instr_fl >> 3) & 15)
-
-/** Set the condition code to flags */
-#define ARM_SET_COND(attr, code) ((attr)->instr_fl = (((attr)->instr_fl & ~(15 << 3)) | ((code) << 3)))
-
-/** Generic ARM node attributes. */
-typedef struct _arm_attr_t {
- arch_irn_flags_t flags; /**< indicating if spillable, rematerializeable ... etc. */
-
- const arch_register_req_t **in_req; /**< register requirements for arguments */
- const arch_register_req_t **out_req; /**< register requirements for results */
+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;
+
+typedef struct arm_cmp_attr_t {
+ arm_shifter_operand_t base;
+ bool ins_permuted : 1;
+ bool is_unsigned : 1;
+} arm_cmp_attr_t;
- ir_mode *op_mode; /**< operation mode if different from node's mode */
- unsigned instr_fl; /**< condition code, shift modifier */
- tarval *value; /**< immediate */
- int *out_flags; /**< flags for each produced value */
-
- const arch_register_t **slots; /**< register slots for assigned registers */
-} arm_attr_t;
+/**
+ * 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;
/** Attributes for a SymConst */
-typedef struct _arm_SymConst_attr_t {
- arm_attr_t attr;
- ident *symconst_id; /**< for SymConsts: its ident */
+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 attr;
- int proj_num;
+typedef struct arm_CondJmp_attr_t {
+ arm_attr_t base;
+ ir_relation relation;
} arm_CondJmp_attr_t;
/** Attributes for a SwitchJmp */
-typedef struct _arm_SwitchJmp_attr_t {
- arm_attr_t attr;
+typedef struct arm_SwitchJmp_attr_t {
+ arm_attr_t base;
int n_projs;
- long default_proj_num;
+ 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;
+ ir_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;
+
/**
- * Returns the shift modifier string.
+ * Return the fpa immediate from the encoding.
*/
-const char *arm_shf_mod_name(arm_shift_modifier mod);
+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
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