-/**
- * @file benode_t.h
- * @date 17.05.2005
- * @author Sebastian Hack
+/*
+ * Copyright (C) 1995-2007 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.
*
- * Backend node support.
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
*
- * Copyright (C) 2005 Universitaet Karlsruhe
- * Released under the GPL
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#ifndef _BENODE_T_H
-#define _BENODE_T_H
-
-#include "firm_config.h"
+/**
+ * @file
+ * @brief Backend node support for generic backend nodes.
+ * @author Sebastian Hack
+ * @date 17.05.2005
+ * @version $Id$
+ *
+ * Backend node support for generic backend nodes.
+ * This file provides Perm, Copy, Spill and Reload nodes.
+ */
+#ifndef FIRM_BE_BENODE_T_H
+#define FIRM_BE_BENODE_T_H
#include <limits.h>
-#include "irmode.h"
+#include "firm_types.h"
#include "irnode.h"
-#include "entity_t.h"
-
-#include "be_t.h"
#include "bearch.h"
#define BE_OUT_POS(p) (-((p) + 1))
extern ir_op *op_be_IncSP;
extern ir_op *op_be_AddSP;
extern ir_op *op_be_SubSP;
-extern ir_op *op_be_SetSP;
extern ir_op *op_be_RegParams;
-extern ir_op *op_be_StackParam;
extern ir_op *op_be_FrameAddr;
-extern ir_op *op_be_FrameLoad;
-extern ir_op *op_be_FrameStore;
extern ir_op *op_be_Barrier;
typedef enum {
- beo_NoBeOp = 0,
+ beo_NoBeOp = -1,
beo_Spill,
beo_Reload,
beo_Perm,
beo_AddSP,
beo_SubSP,
beo_IncSP,
- beo_SetSP,
beo_RegParams,
- beo_StackParam,
- beo_FrameLoad,
- beo_FrameStore,
beo_FrameAddr,
beo_Barrier,
beo_Last
/**
* Make a new Spill node.
*/
-ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *node_to_spill);
+ir_node *be_new_Spill(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
+ ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *to_spill);
/**
* Position numbers for the be_Reload inputs.
/**
* Make a new Reload node.
*/
-ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *spill_node, ir_mode *mode);
+ir_node *be_new_Reload(const arch_register_class_t *cls, const arch_register_class_t *cls_frame,
+ ir_graph *irg, ir_node *bl, ir_node *frame, ir_node *mem, ir_mode *mode);
/**
* Position numbers for the be_Copy inputs.
* Make a new Perm node.
*/
ir_node *be_new_Perm(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
+
+/**
+ * Reduce a Perm.
+ * Basically, we provide a map to remap the Perm's arguments. If an entry in the
+ * map is -1, the argument gets deleted.
+ * This function takes care, that the register data and the input array reflects
+ * the changes described by the map.
+ * This is needed by the Perm optimization/movement in belower.c, see push_through_perm().
+ * @param perm The perm node.
+ * @param new_size The new number of arguments (must be smaller or equal to the current one).
+ * @param map A map assigning each operand a new index (or -1 to indicate deletion).
+ */
+void be_Perm_reduce(ir_node *perm, int new_size, int *map);
+
/**
* Create a new MemPerm node.
*/
ir_node *be_new_MemPerm(const arch_env_t *arch_env, ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *bl, int arity, ir_node *in[]);
-ir_node *be_new_FrameLoad(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
- ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, entity *ent);
-ir_node *be_new_FrameStore(const arch_register_class_t *cls_frame, const arch_register_class_t *cls_data,
- ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *frame, ir_node *data, entity *ent);
-ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, entity *ent);
+void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node);
+
+/**
+ * Position numbers for the be_FrameAddr inputs
+ */
+enum {
+ be_pos_FrameAddr_ptr = 0
+};
+
+/** Create a new FrameAddr node. */
+ir_node *be_new_FrameAddr(const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_node *frame, ir_entity *ent);
+
+/** Return the frame input of a FrameAddr node. */
+ir_node *be_get_FrameAddr_frame(const ir_node *node);
+
+ir_entity *be_get_FrameAddr_entity(const ir_node *node);
/**
* Position numbers for the be_AddSP inputs
};
enum {
- pn_be_AddSP_res = 0,
- pn_be_AddSP_M = 1,
- pn_be_AddSP_last = 2
+ pn_be_AddSP_sp = 0,
+ pn_be_AddSP_res = 1,
+ pn_be_AddSP_M = 2,
+ pn_be_AddSP_last = 3
};
/**
};
enum {
- pn_be_SubSP_res = 0,
+ pn_be_SubSP_sp = 0,
pn_be_SubSP_M = 1,
pn_be_SubSP_last = 2
};
*/
ir_node *be_new_SubSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *sz);
-ir_node *be_new_SetSP(const arch_register_t *sp, ir_graph *irg, ir_node *bl, ir_node *old_sp, ir_node *operand, ir_node *mem);
-
/**
* Make a stack pointer increase/decrease node.
* @param sp The stack pointer register.
int be_get_IncSP_offset(const ir_node *irn);
/** Gets the call entity or NULL if this is no static call. */
-entity *be_Call_get_entity(const ir_node *call);
+ir_entity *be_Call_get_entity(const ir_node *call);
/** Sets the call entity. */
-void be_Call_set_entity(ir_node *call, entity *ent);
+void be_Call_set_entity(ir_node *call, ir_entity *ent);
/** Gets the call type. */
ir_type *be_Call_get_type(ir_node *call);
/** Sets the call type. */
} pn_be_Call;
/**
- * Construct a new be_Call
+ * Construct a new be_Call.
+ *
+ * @param dbg debug info
+ * @param irg the graph where the call is placed
+ * @param bl the block where the call is placed
+ * @param mem the memory input of the call
+ * @param sp the stack pointer input of the call
+ * @param ptr the address of the called function, if immediate call set to sp
+ * @param n_outs the number of outcoming values from this call
+ * @param n the number of (register) inputs of this call
+ * @param in the (register) inputs of this call
+ * @param call_tp the call type of this call
*/
ir_node *be_new_Call(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp, ir_node *ptr,
int n_outs, int n, ir_node *in[], ir_type *call_tp);
* @param bl the block where the new node will be placed
* @param n_res number of "real" results
* @param n number of inputs
+ * @param pop pop number of bytes on return
* @param in input array
*/
-ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int n, ir_node *in[]);
+ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, unsigned pop, int n, ir_node *in[]);
/** Returns the number of real returns values */
-int be_Return_get_n_rets(ir_node *ret);
+int be_Return_get_n_rets(const ir_node *ret);
+
+unsigned be_Return_get_pop(const ir_node *ret);
+
+/** appends a node to the return node, returns the position of the node */
+int be_Return_append_node(ir_node *ret, ir_node *node);
-/**
- * Construct a new Stack Parameter node.
- */
-ir_node *be_new_StackParam(const arch_register_class_t *cls, const arch_register_class_t *cls_frame, ir_graph *irg, ir_node *bl, ir_mode *mode, ir_node *frame_pointer, entity *ent);
ir_node *be_new_RegParams(ir_graph *irg, ir_node *bl, int n_out);
ir_node *be_new_Barrier(ir_graph *irg, ir_node *bl, int n, ir_node *in[]);
+/**
+ * Appends a node to a barrier, returns the result proj of the node
+ */
+ir_node *be_Barrier_append_node(ir_node *barrier, ir_node *node);
+
+/**
+ * Appends a register out requirement to a RegParams node
+ *
+ * @returns the proj node for the new register
+ */
+ir_node *be_RegParams_append_out_reg(ir_node *regparams,
+ const arch_env_t *arch_env,
+ const arch_register_t *reg);
+
/**
* Make a spill node.
*
int be_is_Call(const ir_node *irn);
int be_is_Return(const ir_node *irn);
int be_is_IncSP(const ir_node *irn);
-int be_is_SetSP(const ir_node *irn);
int be_is_AddSP(const ir_node *irn);
+int be_is_SubSP(const ir_node *irn);
int be_is_RegParams(const ir_node *irn);
-int be_is_StackParam(const ir_node *irn);
int be_is_FrameAddr(const ir_node *irn);
-int be_is_FrameLoad(const ir_node *irn);
-int be_is_FrameStore(const ir_node *irn);
int be_is_Barrier(const ir_node *irn);
/**
*
* Returns the frame entity used by the be node
*/
-entity* be_get_frame_entity(const ir_node *irn);
+ir_entity *be_get_frame_entity(const ir_node *irn);
-ir_node* be_get_Reload_mem(const ir_node *irn);
-ir_node* be_get_Reload_frame(const ir_node* irn);
+/**
+ * Returns the frame offset of this node.
+ */
+int be_get_frame_offset(const ir_node *irn);
+ir_node* be_get_Reload_mem(const ir_node *irn);
+ir_node *be_get_Reload_frame(const ir_node *irn);
ir_node* be_get_Spill_val(const ir_node *irn);
-ir_node* be_get_Spill_frame(const ir_node* irn);
+ir_node *be_get_Spill_frame(const ir_node *irn);
-void be_set_MemPerm_in_entity(const ir_node *irn, int n, entity* ent);
-entity *be_get_MemPerm_in_entity(const ir_node *irn, int n);
+void be_set_MemPerm_in_entity(const ir_node *irn, int n, ir_entity* ent);
+ir_entity *be_get_MemPerm_in_entity(const ir_node *irn, int n);
-void be_set_MemPerm_out_entity(const ir_node *irn, int n, entity* ent);
-entity *be_get_MemPerm_out_entity(const ir_node *irn, int n);
+void be_set_MemPerm_out_entity(const ir_node *irn, int n, ir_entity* ent);
+ir_entity *be_get_MemPerm_out_entity(const ir_node *irn, int n);
int be_get_MemPerm_entity_arity(const ir_node *irn);
*/
void be_node_set_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
+void be_node_add_flags(ir_node *irn, int pos, arch_irn_flags_t flags);
+
/**
* Set the register class of a node.
* @param irn The node itself.
*/
void be_node_set_reg_class(ir_node *irn, int pos, const arch_register_class_t *cls);
+/**
+ * Set the register requirement type of a node.
+ * @param irn The node itself.
+ * @param pos The position (0..n) for arguments, (-1..-m) for results.
+ * @param flags The register requirement type to set for that node and position.
+ */
+void be_node_set_req_type(ir_node *irn, int pos, arch_register_req_type_t type);
+
/**
* Make a new phi handler.
* @param env The architecture environment.
*/
void be_phi_handler_reset(arch_irn_handler_t *handler);
+/**
+ * Set the register requirements for a phi node.
+ */
+void be_set_phi_reg_req(const arch_env_t *arch_env, ir_node *phi,
+ const arch_register_req_t *req);
+
+/*
+ * Set flags for a phi node
+ */
+void be_set_phi_flags(const arch_env_t *arch_env, ir_node *phi,
+ arch_irn_flags_t flags);
+
/**
* irn handler for common be nodes.
*/
extern const arch_irn_handler_t be_node_irn_handler;
-#endif /* _BENODE_T_H */
+#endif /* FIRM_BE_BENODE_T_H */
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