X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_nodes_attr.h;h=5bd3ca229f1176dde8d31485c6ab216ab322dc1f;hb=14c0e61b881211dde55db89019fffa151dd87243;hp=653f53deaf6243753c8ee1edbf4f8232b1375a4c;hpb=511ff9b28e2b1af1b069719db25e3339cfd12bbb;p=libfirm diff --git a/ir/be/ia32/ia32_nodes_attr.h b/ir/be/ia32/ia32_nodes_attr.h index 653f53dea..5bd3ca229 100644 --- a/ir/be/ia32/ia32_nodes_attr.h +++ b/ir/be/ia32/ia32_nodes_attr.h @@ -1,47 +1,228 @@ -#ifndef _IA32_NODES_ATTR_H_ -#define _IA32_NODES_ATTR_H_ +/* + * Copyright (C) 1995-2008 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. + * + * 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. + */ + +/** + * @file + * @brief Type definitions for ia32 node attributes. + * @author Christian Wuerdig + * @version $Id$ + */ +#ifndef FIRM_BE_IA32_IA32_NODES_ATTR_H +#define FIRM_BE_IA32_IA32_NODES_ATTR_H + +#include "firm_config.h" #include "firm_types.h" -#include "../bearch.h" +#include "../bearch_t.h" +#include "../bemachine.h" +#include "irnode_t.h" + +enum { + ia32_pn_Cmp_unsigned = 0x1000, + ia32_pn_Cmp_float = 0x2000, +}; + +typedef enum { + ia32_Normal, + ia32_AddrModeD, + ia32_AddrModeS +} ia32_op_type_t; -typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod, flavour_Mul, flavour_Mulh } op_flavour_t; -typedef enum { pn_EAX, pn_EDX } pn_ia32_Register; -typedef enum { asmop_Normal, asmop_Const, asmop_SymConst, asmop_AddrMode } asmop_type_t; typedef enum { - am_Reg = 1, /**<< (%reg) */ - am_OffsReg, /**<< o(%reg) */ - am_RegReg, /**<< (%reg, %reg) */ - am_RegConst, /**<< ( , %reg, const) */ - am_OffsRegConst, /**<< o( , %reg, const) */ - am_OffsRegReg, /**<< o(%reg, %reg) */ - am_RegRegConst, /**<< (%reg, %reg, const) */ - am_OffsRegRegConst /**<< o(%reg, %reg, const) */ -} addrmode_type_t; - -typedef struct _ia32_register_req_t { - const arch_register_req_t req; - int pos; /**<< in case of "should be same/different" we need to remember the pos to get the irn */ -} ia32_register_req_t; - -typedef struct _ia32_asmop_attr { - asmop_type_t tp; /**<< ia32 node type */ - addrmode_type_t am_tp; /**<< addr mode type */ - - tarval *am_offs; /**<< offset for AddrMode */ - tarval *am_const; /**<< shift const for AddrMode */ - - tarval *tv; /**<< tarval for immediate operations */ - ir_node *old_ir; /**<< old ir node to avoid duplicating information (symconst in case of asmop_SymConst) */ - - op_flavour_t op_flav; /**<< flavour of an op (flavour_Div/Mod/DivMod/Mul/Mulh) */ - long pn_code; /**<< projnum "types" (e.g. indicate compare operators and argument numbers) */ - long n_res; /**<< number of results */ - arch_irn_flags_t flags; /**<< indicating if spillable and/or rematerializeable */ - - const ia32_register_req_t **in_req; /**<< register requirements for arguments */ - const ia32_register_req_t **out_req; /**<< register requirements for results */ - - const arch_register_t **slots; /**<< register slots for assigned registers */ -} asmop_attr; - -#endif /* _IA32_NODES_ATTR_H_ */ + ia32_am_None = 0, /**< no addrmode support */ + ia32_am_Source = 2 /**< addrmode for source only */ +} ia32_am_type_t; + +typedef enum { + ia32_am_arity_none = 0, + ia32_am_unary = 1, + ia32_am_binary = 2 +} ia32_am_arity_t; + +typedef enum { + match_commutative = 1 << 0, /**< inputs are commutative */ + match_am_and_immediates = 1 << 1, /**< node supports AM and immediate at + the same time */ + match_am = 1 << 2, /**< node supports (32bit) source AM */ + match_8bit_am = 1 << 3, /**< node supports 8bit source AM */ + match_16bit_am = 1 << 4, /**< node supports 16bit source AM */ + match_immediate = 1 << 5, /**< node supports immediates */ + match_8bit = 1 << 6, /**< supports 8 bit modes natively */ + match_16bit = 1 << 7, /**< supports 16bit modes natively */ + match_mode_neutral = 1 << 8, /**< 16 and 8 bit modes can be emulated + by 32 bit operations */ + match_dest_am = 1 << 9, + match_try_am = 1 << 10, /**< only try to produce AM node, don't + do anything if AM isn't possible */ + match_two_users = 1 << 11 /**< the instruction uses a load two times ... */ +} match_flags_t; + +typedef struct ia32_op_attr_t ia32_op_attr_t; +struct ia32_op_attr_t { + match_flags_t flags; + unsigned latency; +}; + +#ifndef NDEBUG +typedef enum { + IA32_ATTR_INVALID = 0, + IA32_ATTR_ia32_attr_t = 1 << 0, + IA32_ATTR_ia32_x87_attr_t = 1 << 1, + IA32_ATTR_ia32_asm_attr_t = 1 << 2, + IA32_ATTR_ia32_immediate_attr_t = 1 << 3, + IA32_ATTR_ia32_condcode_attr_t = 1 << 4, + IA32_ATTR_ia32_copyb_attr_t = 1 << 5 +} ia32_attr_type_t; +#endif + +/** + * The generic ia32 attributes. Every node has them. + */ +typedef struct ia32_attr_t ia32_attr_t; +struct ia32_attr_t { + except_attr exc; /**< the exception attribute. MUST be the first one. */ + struct ia32_attr_data_bitfield { + unsigned flags:5; /**< Indicating if spillable, rematerializeable, stack modifying and/or ignore. */ + unsigned tp:3; /**< ia32 node type. */ + unsigned am_support:2; /**< Indicates the address mode type supported by this node. */ + unsigned am_arity : 2; + unsigned am_scale:2; /**< The address mode scale for index register. */ + unsigned am_sc_sign:1; /**< The sign bit of the address mode symconst. */ + + unsigned use_frame:1; /**< Indicates whether the operation uses the frame pointer or not. */ + unsigned has_except_label:1; /**< Set if this node needs a label because of possible exception. */ + + unsigned is_commutative:1; /**< Indicates whether op is commutative or not. */ + + unsigned need_stackent:1; /**< Set to 1 if node need space on stack. */ + unsigned need_64bit_stackent:1; /**< needs a 64bit stack entity (see double->unsigned int conv) */ + unsigned need_32bit_stackent:1; /**< needs a 32bit stack entity */ + unsigned ins_permuted : 1; /**< inputs of node have been permuted + (for commutative nodes) */ + unsigned cmp_unsigned : 1; /**< compare should be unsigned */ + unsigned is_reload : 1; /**< node performs a reload */ + unsigned is_spill : 1; + unsigned is_remat : 1; + } data; + + int *out_flags; /**< flags for each produced value */ + + int am_offs; /**< offsets for AddrMode */ + ir_entity *am_sc; /**< SymConst for AddrMode */ + + ir_mode *ls_mode; /**< Load/Store mode: This is the mode of the + value that is manipulated by this node. */ + + ir_entity *frame_ent; /**< the frame entity attached to this node */ + + const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */ + + const arch_register_req_t **in_req; /**< register requirements for arguments */ + const arch_register_req_t **out_req; /**< register requirements for results */ + + const arch_register_t **slots; /**< register slots for assigned registers */ + + ir_label_t exc_label; /**< the exception label iff this instruction can throw an exception */ + +#ifndef NDEBUG + const char *orig_node; /**< holds the name of the original ir node */ + unsigned attr_type; /**< bitfield indicating the attribute type */ +#endif +}; +COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield); + +/** + * The attributes for nodes with condition code. + */ +typedef struct ia32_condcode_attr_t ia32_condcode_attr_t; +struct ia32_condcode_attr_t { + ia32_attr_t attr; /**< generic attribute */ + long pn_code; /**< projnum "types" (e.g. indicate compare operators */ +}; + +/** + * The attributes for CopyB code. + */ +typedef struct ia32_copyb_attr_t ia32_copyb_attr_t; +struct ia32_copyb_attr_t { + ia32_attr_t attr; /**< generic attribute */ + unsigned size; /**< size of copied block */ +}; + +/** + * The attributes for immediates. + */ +typedef struct ia32_immediate_attr_t ia32_immediate_attr_t; +struct ia32_immediate_attr_t { + ia32_attr_t attr; /**< generic attribute */ + ir_entity *symconst; /**< An entity if any. */ + long offset; /**< An offset if any. */ + unsigned sc_sign:1; /**< The sign bit of the symconst. */ +}; + +/** + * The attributes for x87 nodes. + */ +typedef struct ia32_x87_attr_t ia32_x87_attr_t; +struct ia32_x87_attr_t { + ia32_attr_t attr; /**< the generic attribute */ + const arch_register_t *x87[3]; /**< register slots for x87 register */ +}; + +typedef struct ia32_asm_reg_t ia32_asm_reg_t; +struct ia32_asm_reg_t { + unsigned use_input : 1; /* use input or output pos */ + unsigned valid : 1; + unsigned memory : 1; + unsigned dummy_fill : 13; + unsigned inout_pos : 16; /* in/out pos where the + register is assigned */ + const ir_mode *mode; +}; + +/** + * The attributes for ASM nodes. + */ +typedef struct ia32_asm_attr_t ia32_asm_attr_t; +struct ia32_asm_attr_t { + ia32_x87_attr_t x87_attr; + ident *asm_text; + const ia32_asm_reg_t *register_map; +}; + +/* the following union is necessary to indicate to the compiler that we might want to cast + * the structs (we use them to simulate OO-inheritance) */ +union allow_casts_attr_t_ { + ia32_attr_t attr; + ia32_condcode_attr_t cc_attr; + ia32_copyb_attr_t cpy_attr; + ia32_x87_attr_t x87_attr; + ia32_asm_attr_t asm_attr; + ia32_immediate_attr_t immediate_attr; +}; + +#ifndef NDEBUG +#define CAST_IA32_ATTR(type,ptr) (assert( ((const ia32_attr_t*)(ptr))->attr_type & IA32_ATTR_ ## type ), (type*) (ptr)) +#define CONST_CAST_IA32_ATTR(type,ptr) (assert( ((const ia32_attr_t*)(ptr))->attr_type & IA32_ATTR_ ## type ), (const type*) (ptr)) +#else +#define CAST_IA32_ATTR(type,ptr) ((type*) (ptr)) +#define CONST_CAST_IA32_ATTR(type,ptr) ((const type*) (ptr)) +#endif + +#endif