X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_nodes_attr.h;h=988e856f7a0502dc693696c9330b27ffedc5c2ab;hb=44fdfafcf4d8940cbdc92266b091f18c62832d3a;hp=a6f153d8910867b822cb00bb872ace49b717c974;hpb=60d329a2f953a3e390edb10766d93b3879db7db3;p=libfirm diff --git a/ir/be/ia32/ia32_nodes_attr.h b/ir/be/ia32/ia32_nodes_attr.h index a6f153d89..988e856f7 100644 --- a/ir/be/ia32/ia32_nodes_attr.h +++ b/ir/be/ia32/ia32_nodes_attr.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -26,85 +26,91 @@ #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_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 { - ia32_am_None = 0, /**<< no addrmode support */ - ia32_am_Dest = 1, - ia32_am_Source = 2, /**<< addrmode for source only */ - ia32_am_Full = 3 +typedef enum { + ia32_am_none = 0, + ia32_am_unary = 1, + ia32_am_binary = 2 } ia32_am_type_t; typedef enum { - ia32_am_arity_none = 0, - ia32_am_unary = 1, - ia32_am_binary = 2, - ia32_am_ternary = 3, -} ia32_am_arity_t; - -/** - * Different Address Mode properties: - * O - Offset is set - * B - Base is set - * I - Index is set - * S - Scale is set - */ -enum { - ia32_O = (1 << 0), /**< O - Offset is set */ - ia32_B = (1 << 1), /**< B - Base is set */ - ia32_I = (1 << 2), /**< I - Index is set */ - ia32_S = (1 << 3) /**< S - Scale is set */ + 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_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 +/** + * 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 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 use_frame:1; /**< Indicates whether the operation uses the frame pointer or not. */ - unsigned except_label:1; /**< Set if this node needs a label because of possible exception. */ + 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 is_commutative:1; /**< Indicates whether op is commutative or not. */ - unsigned got_lea:1; /**< Indicates whether or not this node already consumed a LEA. */ - - unsigned need_stackent:1; /**< Set to 1 if node need space on stack. */ + 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 */ @@ -113,50 +119,109 @@ struct ia32_attr_t { ir_entity *frame_ent; /**< the frame entity attached to this node */ - long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers for switches) */ + 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 */ - unsigned latency; /**< the latency of the instruction in clock cycles */ + 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); - const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */ +/** + * 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. */ +}; - const arch_register_req_t **in_req; /**< register requirements for arguments */ - const arch_register_req_t **out_req; /**< register requirements for results */ +/** + * 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 */ +}; - const arch_register_t **slots; /**< register slots for assigned registers */ +/** + * 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 */ }; -COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield); +/** + * The attributes for immediates. + */ typedef struct ia32_immediate_attr_t ia32_immediate_attr_t; struct ia32_immediate_attr_t { - ia32_attr_t attr; - ir_entity *symconst; - long offset; + 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; + 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; + 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 */ }; /* 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; }; #ifndef NDEBUG