X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_nodes_attr.h;h=8b4e92c81014806e7a402d6e93e277ef75ead6e9;hb=ef668aa395ab2cb4b3fb4066a8fa4c65c05aabf6;hp=bc7f846549b5c74a845ac4bb7a3094b6a6c7b9db;hpb=e37bf8de17ea3b1f0518ed2369da92fd54062a8b;p=libfirm diff --git a/ir/be/ia32/ia32_nodes_attr.h b/ir/be/ia32/ia32_nodes_attr.h index bc7f84654..8b4e92c81 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. * @@ -26,56 +26,61 @@ #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 "../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 { - 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_ia32_condcode_attr_t = 1 << 4, - IA32_ATTR_ia32_copyb_attr_t = 1 << 5 + 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 @@ -86,28 +91,28 @@ 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 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 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_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 */ @@ -116,14 +121,11 @@ struct ia32_attr_t { ir_entity *frame_ent; /**< the frame entity attached to this node */ - unsigned latency; /**< the latency of the instruction in clock cycles */ - 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 */ @@ -132,6 +134,16 @@ struct ia32_attr_t { }; COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield); +/** + * 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. */ @@ -158,7 +170,8 @@ 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 sc_sign : 1; /**< The sign bit of the symconst. */ + unsigned no_pic_adjust : 1; /**< constant can be relative to EIP */ }; /** @@ -191,15 +204,26 @@ struct ia32_asm_attr_t { 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