X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_nodes_attr.h;h=8b4e92c81014806e7a402d6e93e277ef75ead6e9;hb=a4db20b99a68cbc692b033bdac3df8550bf29b41;hp=362524ecba66ccd0527e4ae1db40b8075c6114bb;hpb=475e9ffc1749434c667028d54d3d2e806d2dcd72;p=libfirm diff --git a/ir/be/ia32/ia32_nodes_attr.h b/ir/be/ia32/ia32_nodes_attr.h index 362524ecb..8b4e92c81 100644 --- a/ir/be/ia32/ia32_nodes_attr.h +++ b/ir/be/ia32/ia32_nodes_attr.h @@ -1,59 +1,237 @@ -#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. + */ -#include +/** + * @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_types.h" #include "../bearch.h" +#include "../bemachine.h" +#include "irnode_t.h" + +enum { + ia32_pn_Cmp_unsigned = 0x1000, + ia32_pn_Cmp_float = 0x2000, + ia32_pn_Cmp_parity = 0x4000 +}; + +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 } ia32_op_flavour_t; -typedef enum { pn_EAX, pn_EDX } pn_ia32_Register; -typedef enum { ia32_Normal, ia32_Const, ia32_SymConst, ia32_AddrModeD, ia32_AddrModeS } ia32_op_type_t; -typedef enum { - ia32_am_None = 0, /**<< no addrmode support */ - ia32_am_Dest = 1, /**<< addrmode for destination only */ - ia32_am_Source = 2, /**<< addrmode for source only */ - ia32_am_Full = 3 /**<< full addmode support */ +typedef enum { + ia32_am_none = 0, + ia32_am_unary = 1, + ia32_am_binary = 2 } ia32_am_type_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_mode_neutral = 1 << 6, /**< 16 and 8 bit modes can be emulated + by 32 bit operations */ + match_try_am = 1 << 7, /**< only try to produce AM node, don't + do anything if AM isn't possible */ + match_two_users = 1 << 8 /**< 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_ia32_call_attr_t = 1 << 6, + IA32_ATTR_ia32_climbframe_attr_t = 1 << 7, +} ia32_attr_type_t; +#endif + /** - * Different AM types: - * O - Offset is set - * B - Base is set - * I - Index is set - * S - Scale is set + * The generic ia32 attributes. Every node has them. */ -typedef enum { - ia32_am_N = 0, ia32_am_O, ia32_am_B, ia32_am_I, ia32_am_IS, ia32_am_OB, ia32_am_OI, ia32_am_OIS, ia32_am_OBIS -} ia32_am_flavour_t; +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 tp:3; /**< ia32 node type. */ + unsigned am_arity:2; /**< Indicates the address mode type supported by this node. */ + 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 am_sc_no_pic_adjust : 1;/**< AM symconst can be relative to EIP */ + 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 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 */ -typedef struct _ia32_register_req_t { - const arch_register_req_t req; - int same_pos; /**<< in case of "should be same" we need to remember the pos to get the irn */ - int different_pos; /**<< in case of "should be different" we need to remember the pos to get the irn */ -} ia32_register_req_t; + const arch_register_req_t **in_req; /**< register requirements for arguments */ -typedef struct _ia32_attr_t { - ia32_op_type_t tp; /**<< ia32 node type */ - ia32_am_type_t am_support; /**<< indicates addrmode type supported by this node */ - ia32_am_flavour_t am_flavour; /**<< the concrete addrmode characteristics */ + ir_label_t exc_label; /**< the exception label iff this instruction can throw an exception */ - struct obstack *am_offs; /**<< offsets for AddrMode */ - int am_scale; /**<< addrmode scale for index register */ +#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); - tarval *tv; /**<< tarval for immediate operations */ - char *sc; /**<< symconst name */ - char *cnst; /**<< points to the string representation of the constant value (either tv or sc) */ +/** + * The attributes for a Call node. + */ +typedef struct ia32_call_attr_t ia32_call_attr_t; +struct ia32_call_attr_t { + ia32_attr_t attr; /**< generic attribute */ + unsigned pop; /**< number of bytes that get popped by the callee */ + ir_type *call_tp; /**< The call type, copied from the original Call node. */ +}; + +/** + * 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. */ + unsigned no_pic_adjust : 1; /**< constant can be relative to EIP */ +}; + +/** + * 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; +}; - ia32_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 */ +/** + * 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 attributes for the ClimbFrame node. + */ +typedef struct ia32_climbframe_attr_t ia32_climbframe_attr_t; +struct ia32_climbframe_attr_t { + ia32_attr_t attr; /**< generic attribute */ + unsigned count; /**< number of frames to climb up */ +}; - const ia32_register_req_t **in_req; /**<< register requirements for arguments */ - const ia32_register_req_t **out_req; /**<< register requirements for results */ +/* 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_call_attr_t call_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; + ia32_climbframe_attr_t climbframe_attr; +}; - const arch_register_t **slots; /**<< register slots for assigned registers */ -} ia32_attr_t; +#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 /* _IA32_NODES_ATTR_H_ */ +#endif