X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbenode_t.h;h=ada6d18420ee2e090d6cae0828eeabe07e955361;hb=89dc24503c04139bb05504059b291d6d89f99661;hp=274b7ebe9fa73d6ab05fb5c516ae8850e46c1376;hpb=205396c4f4f5abe7abd6dc2350c8c398a7623afc;p=libfirm diff --git a/ir/be/benode_t.h b/ir/be/benode_t.h index 274b7ebe9..ada6d1842 100644 --- a/ir/be/benode_t.h +++ b/ir/be/benode_t.h @@ -1,27 +1,40 @@ -/** - * @file benode_t.h - * @date 17.05.2005 - * @author Sebastian Hack +/* + * Copyright (C) 1995-2008 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_t.h" +#include "bearch.h" #define BE_OUT_POS(p) (-((p) + 1)) @@ -40,16 +53,13 @@ extern ir_op *op_be_Return; 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; +extern ir_op *op_be_Unwind; typedef enum { - beo_NoBeOp = 0, + beo_NoBeOp = -1, beo_Spill, beo_Reload, beo_Perm, @@ -62,13 +72,10 @@ typedef enum { beo_AddSP, beo_SubSP, beo_IncSP, - beo_SetSP, beo_RegParams, - beo_StackParam, - beo_FrameLoad, - beo_FrameStore, beo_FrameAddr, beo_Barrier, + beo_Unwind, beo_Last } be_opcode_t; @@ -144,6 +151,20 @@ 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. */ @@ -152,12 +173,21 @@ ir_node *be_new_Keep(const arch_register_class_t *cls, ir_graph *irg, ir_node *b void be_Keep_add_node(ir_node *keep, const arch_register_class_t *cls, ir_node *node); -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); -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(const ir_node *node); + +ir_entity *be_get_FrameAddr_entity(const ir_node *node); + /** * Position numbers for the be_AddSP inputs */ @@ -168,9 +198,10 @@ 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 }; /** @@ -197,7 +228,7 @@ enum { }; enum { - pn_be_SubSP_res = 0, + pn_be_SubSP_sp = 0, pn_be_SubSP_M = 1, pn_be_SubSP_last = 2 }; @@ -216,8 +247,6 @@ enum { */ 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. @@ -258,6 +287,10 @@ ir_type *be_Call_get_type(ir_node *call); /** Sets the call type. */ void be_Call_set_type(ir_node *call, ir_type *call_tp); +void be_Call_set_pop(ir_node *call, unsigned pop); + +unsigned be_Call_get_pop(const ir_node *call); + /** * Position numbers for the be_Call inputs. */ @@ -273,11 +306,23 @@ enum { */ typedef enum { pn_be_Call_M_regular = pn_Call_M_regular, /**< The memory result of a be_Call. */ - pn_be_Call_first_res = pn_Call_max /**< The first result proj number of a be_Call. */ + pn_be_Call_sp = pn_Call_max, + pn_be_Call_first_res /**< The first result proj number of a be_Call. */ } 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); @@ -293,24 +338,30 @@ enum { /** * Construct a new be_Return. + * + * @param dbg debug info * @param irg the graph where the new node will be placed * @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); + +/** + * Return the number of bytes that should be popped from stack when executing the Return. + * + * @param ret the be_Return node + */ +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, ir_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[]); @@ -337,7 +388,7 @@ ir_node *be_RegParams_append_out_reg(ir_node *regparams, * @param spill_ctx The context in which the spill is introduced (This is mostly == irn up to the case of Phis). * @return The new spill node. */ -ir_node *be_spill(const arch_env_t *arch_env, ir_node *irn); +ir_node *be_spill(const arch_env_t *arch_env, ir_node *block, ir_node *irn); /** * Make a reload and insert it into the schedule. @@ -359,6 +410,28 @@ ir_node *be_new_CopyKeep_single(const arch_register_class_t *cls, ir_graph *irg, ir_node *be_get_CopyKeep_op(const ir_node *cpy); void be_set_CopyKeep_op(ir_node *cpy, ir_node *op); +/** + * Position numbers for the be_Unwind inputs. + */ +enum { + be_pos_Unwind_mem = 0, /**< memory input of a be_Unwind node */ + be_pos_Unwind_sp = 1, /**< stack pointer input of a be_Unwind node */ +}; + +/** + * Construct a new be_Unwind. + * + * @param dbg debug info + * @param irg the graph where the new node will be placed + * @param bl the block where the new node will be placed + * @param mem the memory input + * @param sp the stack pointer input + */ +ir_node *be_new_Unwind(dbg_info *dbg, ir_graph *irg, ir_node *bl, ir_node *mem, ir_node *sp); + +ir_node *be_get_Unwind_mem(const ir_node *irn); +ir_node *be_get_Unwind_sp(const ir_node *irn); + /** * Get the backend opcode of a backend node. * @param irn The node. @@ -376,20 +449,18 @@ int be_is_CopyKeep(const ir_node *irn); 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); +int be_is_Unwind(const ir_node *irn); /** + * Returns the frame entity of a be node. * Try to avoid this function and better call arch_get_frame_entity! * - * Returns the frame entity used by the be node + * @return the frame entity used by the be node */ ir_entity *be_get_frame_entity(const ir_node *irn); @@ -437,6 +508,8 @@ void be_set_constr_limited(ir_node *irn, int pos, const arch_register_req_t *req */ 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. @@ -489,4 +562,4 @@ void be_set_phi_flags(const arch_env_t *arch_env, ir_node *phi, */ extern const arch_irn_handler_t be_node_irn_handler; -#endif /* _BENODE_T_H */ +#endif /* FIRM_BE_BENODE_T_H */