X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=db9259f1b52f815f2f24c50f1056c34ed790248f;hb=7b71c0bebe3c21ae2bfe11ebaa0ade64e3e39cdb;hp=2c7760cf3e1bd53e5827bf7828fd7e2a51a3233e;hpb=b31a77ecfd1eb2b760ab5bdb108c256da7e2458f;p=libfirm diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h index 2c7760cf3..db9259f1b 100644 --- a/ir/be/benode_t.h +++ b/ir/be/benode_t.h @@ -1,26 +1,39 @@ -/** - * @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. * - * Backend node support. + * 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. * - * Copyright (C) 2005 Universitaet Karlsruhe - * Released under the GPL + * Licensees holding valid libFirm Professional Edition licenses may use + * this file in accordance with the libFirm Commercial License. + * Agreement provided with the Software. + * + * 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 -#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)) @@ -49,7 +62,7 @@ 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, @@ -144,18 +157,64 @@ void be_set_Copy_op(ir_node *cpy, ir_node *op); * 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[]); +void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node); + +/** + * Position numbers for the be_FrameLoad inputs + */ +enum { + be_pos_FrameLoad_mem = 0, + be_pos_FrameLoad_ptr = 1 +}; + 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, ir_entity *ent); + +/** + * Position numbers for the be_FrameStore inputs + */ +enum { + be_pos_FrameStore_mem = 0, + be_pos_FrameStore_ptr = 1, + be_pos_FrameStore_val = 2 +}; + 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, ir_entity *ent); + +/** + * 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(ir_node *node); + /** * Position numbers for the be_AddSP inputs */ @@ -166,9 +225,10 @@ enum { }; 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 }; /** @@ -195,7 +255,7 @@ enum { }; enum { - pn_be_SubSP_res = 0, + pn_be_SubSP_sp = 0, pn_be_SubSP_M = 1, pn_be_SubSP_last = 2 }; @@ -275,7 +335,18 @@ typedef enum { } 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); @@ -302,6 +373,16 @@ ir_node *be_new_Return(dbg_info *dbg, ir_graph *irg, ir_node *bl, int n_res, int /** Returns the number of real returns values */ int be_Return_get_n_rets(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); + +/** + * StackParam input positions + */ +enum { + be_pos_StackParam_ptr = 0 +}; + /** * Construct a new Stack Parameter node. */ @@ -310,6 +391,20 @@ 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. * @@ -453,9 +548,21 @@ void be_phi_handler_free(arch_irn_handler_t *handler); */ 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 */