X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Farm%2Farm_nodes_attr.h;h=70d611b6dbb742787c5bc56269c131a8bbfe68ce;hb=1872920c09708b361d06c0dc9f4c1fd0a03544f5;hp=5b0a1718800ec59508e85f72582bc5b05e99d30a;hpb=dcee9f616133e588e7f78c87c67148de9d45b761;p=libfirm

diff --git a/ir/be/arm/arm_nodes_attr.h b/ir/be/arm/arm_nodes_attr.h
index 5b0a17188..70d611b6d 100644
--- a/ir/be/arm/arm_nodes_attr.h
+++ b/ir/be/arm/arm_nodes_attr.h
@@ -1,5 +1,5 @@
 /*
- * 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.
  *
@@ -19,8 +19,8 @@
 
 /**
  * @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
@@ -40,7 +40,7 @@ typedef enum _arm_shift_modifier {
 	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_SHF_RRX  = 6,   /**< rotate right through carry bits */
 } arm_shift_modifier;
 
 /** True, if the modifier implies a shift argument */
@@ -52,6 +52,12 @@ typedef enum _arm_shift_modifier {
 /** set the shift modifier to flags */
 #define ARM_SET_SHF_MOD(attr, mod)  ((attr)->instr_fl = (((attr)->instr_fl & ~7) | (mod)))
 
+/** fpa immediate bit */
+#define ARM_FPA_IMM  (1 << 3)   /**< fpa floating point immediate */
+
+#define ARM_GET_FPA_IMM(attr)        ((attr)->instr_fl & ARM_FPA_IMM)
+#define ARM_SET_FPA_IMM(attr)        ((attr)->instr_fl |= ARM_FPA_IMM)
+#define ARM_CLR_FPA_IMM(attr)        ((attr)->instr_fl &= ~ARM_FPA_IMM)
 
 /**
  * Possible ARM condition codes.
@@ -76,10 +82,23 @@ typedef enum _arm_condition {
 } arm_condition;
 
 /** Get the condition code from flags */
-#define ARM_GET_COND(attr)        (((attr)->instr_fl >> 3) & 15)
+#define ARM_GET_COND(attr)        (((attr)->instr_fl >> 4) & 15)
 
 /** Set the condition code to flags */
-#define ARM_SET_COND(attr, code)  ((attr)->instr_fl = (((attr)->instr_fl & ~(15 << 3)) | ((code) << 3)))
+#define ARM_SET_COND(attr, code)  ((attr)->instr_fl = (((attr)->instr_fl & ~(15 << 4)) | ((code) << 4)))
+
+/** 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 {
@@ -91,7 +110,7 @@ typedef struct _arm_attr_t {
 
 	ir_mode  *op_mode;                   /**< operation mode if different from node's mode */
 	unsigned instr_fl;                   /**< condition code, shift modifier */
-	tarval   *value;                     /**< immediate */
+	long     imm_value;                  /**< immediate */
 	int      *out_flags;                 /**< flags for each produced value */
 
 	const arch_register_t **slots;       /**< register slots for assigned registers */
@@ -99,26 +118,40 @@ typedef struct _arm_attr_t {
 
 /** Attributes for a SymConst */
 typedef struct _arm_SymConst_attr_t {
-	arm_attr_t  attr;
+	arm_attr_t  attr;                   /**< base attributes */
 	ident       *symconst_id;           /**< for SymConsts: its ident */
 } arm_SymConst_attr_t;
 
 /** Attributes for a CondJmp */
 typedef struct _arm_CondJmp_attr_t {
-	arm_attr_t  attr;
+	arm_attr_t  attr;                   /**< base attributes */
 	int         proj_num;
 } arm_CondJmp_attr_t;
 
 /** Attributes for a SwitchJmp */
 typedef struct _arm_SwitchJmp_attr_t {
-	arm_attr_t  attr;
+	arm_attr_t  attr;                   /**< base attributes */
 	int         n_projs;
-	long default_proj_num;
+	long        default_proj_num;
 } arm_SwitchJmp_attr_t;
 
+/** Attributes for a fpaConst */
+typedef struct _arm_fpaConst_attr_t {
+	arm_attr_t  attr;                   /**< base attributes */
+	tarval      *tv;                    /**< the tarval representing the FP const */
+} arm_fpaConst_attr_t;
+
 /**
  * Returns the shift modifier string.
  */
 const char *arm_shf_mod_name(arm_shift_modifier mod);
 
+/**
+ * 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