struct arch_register_t {
const char *name; /**< The name of the register. */
const arch_register_class_t *reg_class; /**< The class the register belongs to. */
- int index; /**< The index of the register in the class. */
+ unsigned index; /**< The index of the register in the class. */
arch_register_type_t type; /**< The type of the register. */
void *data; /**< Custom data. */
};
}
static INLINE
-int _arch_register_get_index(const arch_register_t *reg)
+unsigned _arch_register_get_index(const arch_register_t *reg)
{
return reg->index;
}
* Like general purpose or floating point.
*/
struct arch_register_class_t {
+ unsigned index; /**< index of this register class */
const char *name; /**< The name of the register class.*/
- int n_regs; /**< Number of registers in this
+ unsigned n_regs; /**< Number of registers in this
class. */
ir_mode *mode; /**< The mode of the register class.*/
const arch_register_t *regs; /**< The array of registers. */
+ arch_register_class_flags_t flags; /**< register class flags. */
};
/** return the number of registers in this register class */
/** return the name of this register class */
#define arch_register_class_name(cls) ((cls)->name)
+/** return the index of this register class */
+#define arch_register_class_index(cls) ((cls)->index)
+
+/** return the register class flags */
+#define arch_register_class_flags(cls) ((cls)->flags)
+
static INLINE const arch_register_t *
-_arch_register_for_index(const arch_register_class_t *cls, int idx)
+_arch_register_for_index(const arch_register_class_t *cls, unsigned idx)
{
- assert(0 <= idx && idx < cls->n_regs);
+ assert(idx < cls->n_regs);
return &cls->regs[idx];
}
const unsigned *limited; /**< allowed register bitset */
- int other_same; /**< The in number which shall have
- the same res (should_be_same)*/
- int other_different; /**< The other node from which this
- one's register must be different
- (case must_be_different). */
-};
-
-struct arch_flag_t {
- const char *name;
- unsigned index;
+ unsigned other_same; /**< Bitmask of ins which should use the
+ same register (should_be_same). */
+ unsigned other_different; /**< Bitmask of ins which shall use a
+ different register
+ (must_be_different) */
};
/**
* Get the the number of register classes in the isa.
* @return The number of register classes.
*/
- int (*get_n_reg_class)(const void *self);
+ unsigned (*get_n_reg_class)(const void *self);
/**
* Get the i-th register class.
* @param i The number of the register class.
* @return The register class.
*/
- const arch_register_class_t *(*get_reg_class)(const void *self, int i);
+ const arch_register_class_t *(*get_reg_class)(const void *self, unsigned i);
/**
* Get the register class which shall be used to store a value of a given mode.