#ifndef _FIRM_BEARCH_H
#define _FIRM_BEARCH_H
-#include "firm_config.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#ifdef WITH_LIBCORE
#include <libcore/lc_opts.h>
typedef struct _arch_register_class_t arch_register_class_t;
typedef struct _arch_register_t arch_register_t;
-typedef struct _arch_enum_t arch_enum_t;
-typedef struct _arch_enum_member_t arch_enum_member_t;
typedef struct _arch_isa_if_t arch_isa_if_t;
typedef struct _arch_isa_t arch_isa_t;
typedef struct _arch_env_t arch_env_t;
arch_register_type_ignore /**< Do not consider this register when allocating. */
} arch_register_type_t;
+/**
+ * Convenience macro to check for register type.
+ * @param req A pointer to register.
+ * @param kind The kind of type to check for (see arch_register_type_t).
+ * @return 1, If register is of given kind, 0 if not.
+ */
+#define arch_register_type_is(reg, kind) \
+ ((reg)->type == arch_register_type_ ## kind)
+
/**
* A register.
*/
*/
#define arch_get_register_set_for_class(cls) ((cls)->set)
-/**
- * An immediate.
- */
-struct _arch_immediate_t {
- const char *name; /**< The name of the immediate. */
- ir_mode *mode; /**< The mode of the immediate. */
-};
-
-/**
- * The member of an enum.
- */
-struct _arch_enum_member_t {
- arch_enum_t *enm; /**< The enum, this member belongs to. */
-};
-
-/**
- * An enumeration operand type.
- *
- * Enumeration operand types can be used to describe the variants
- * of an instruction, like giving the cases for a compare (gt, lt,
- * eq, ...) some other special attributes of an instruction.
- */
-struct _arch_enum_t {
- int n_members; /**< The number of members in this enum. */
- arch_enum_member_t *members[1]; /**< The array of members. */
-};
-
typedef enum _arch_operand_type_t {
arch_operand_type_invalid,
arch_operand_type_memory,
arch_register_req_type_limited = 2, /**< Only a real subset of
the class is allowed. */
- arch_register_req_type_equal = 4, /**< The register must equal
- another one at the node. */
+ arch_register_req_type_should_be_same = 4, /**< The register should be equal
+ another one at the node. */
- arch_register_req_type_unequal = 8, /**< The register must be unequal
- to some other at the node. */
+ arch_register_req_type_should_be_different = 8, /**< The register must be unequal
+ to some other at the node. */
- arch_register_req_type_pair = 16 /**< The register is part of a
- register pair. */
} arch_register_req_type_t;
-#define arch_register_req_is_constr(x) \
- ((x)->type & (arch_register_req_type_pair + arch_register_req_type_limited - 1) != 0)
+/**
+ * Convenience macro to check for set constraints.
+ * @param req A pointer to register requirements.
+ * @param kind The kind of constraint to check for (see arch_register_req_type_t).
+ * @return 1, If the kind of constraint is present, 0 if not.
+ */
+#define arch_register_req_is(req, kind) \
+ (((req)->type & (arch_register_req_type_ ## kind)) != 0)
/**
* Expresses requirements to register allocation for an operand.
*/
typedef struct _arch_register_req_t {
- arch_register_req_type_t type; /**< The type of the constraint. */
- const arch_register_class_t *cls; /**< The register class this
- constraint belongs to. */
- union {
- int (*limited)(const ir_node *irn, int pos, bitset_t *bs);
+ arch_register_req_type_t type; /**< The type of the constraint. */
+ const arch_register_class_t *cls; /**< The register class this constraint belongs to. */
+
+ int (*limited)(const ir_node *irn, int pos, bitset_t *bs);
/**< In case of the 'limited'
constraint, this function
must put all allowable
return the number of registers
in the bitset. */
- int pos; /**< In case of the equal constraint,
- this gives the position of the
- operand to which the register of
- this should be equal to. Same for
- unequal. */
- } data;
+ ir_node *other; /**< In case of "should be equal"
+ or should be different, this gives
+ the node to whose register this
+ one's should be the same/different. */
} arch_register_req_t;
/**
- * Certain node classes which are relevent for the register allocator.
+ * Certain node classes which are relevant for the register allocator.
*/
typedef enum _arch_irn_class_t {
arch_irn_class_normal,
arch_irn_class_reload,
arch_irn_class_copy,
arch_irn_class_perm,
- arch_irn_class_branch
+ arch_irn_class_branch,
+ arch_irn_class_call
} arch_irn_class_t;
/**
/**
* Get the register allocated at a certain output operand of a node.
- * @param env The arch nvironment.
+ * @param env The arch environment.
* @param irn The node.
* @return The register allocated for this operand
*/
*/
struct _arch_code_generator_if_t {
+
+ /**
+ * Initialize the code generator.
+ * @param file The file to dump to.
+ * @param irg The function to generate code for.
+ * @param env The architecture environment.
+ * @return A newly created code generator.
+ */
+ void *(*init)(FILE *file, ir_graph *irg, const arch_env_t *env);
+
/**
* Called, when the graph is being normalized.
*/
const arch_irn_handler_t *(*get_irn_handler)(const void *self);
/**
- * Produce a new code generator.
+ * Get the code generator interface.
* @param self The this pointer.
- * @param irg The graph for which code shall be generated.
- * @return A code generator.
+ * @return Some code generator interface.
*/
- arch_code_generator_t *(*make_code_generator)(void *self, ir_graph *irg);
+ const arch_code_generator_if_t *(*get_code_generator)(void *self);
/**
* Get the list scheduler to use.
* @return The list scheduler selector.
*/
const list_sched_selector_t *(*get_list_sched_selector)(const void *self);
+
+ /**
+ * Get the proj number assigned to the register.
+ * @param self The isa object.
+ * @param reg The register
+ * @return The proj number assigned to this register
+ */
+ long (*get_projnum_for_register)(const void *self, const arch_register_t *reg);
};
#define arch_isa_get_n_reg_class(isa) ((isa)->impl->get_n_reg_class(isa))