X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_nodes_attr.h;h=77b56ac3a38b773f7848cb00f17c56cb7af34031;hb=61f4d246e707173f272e6ead6f42360a4674f951;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..77b56ac3a 100644 --- a/ir/be/ia32/ia32_nodes_attr.h +++ b/ir/be/ia32/ia32_nodes_attr.h @@ -1,47 +1,138 @@ +/** + * Type definitions for ia32 node attributes. + * @author Christian Wuerdig + * $Id$ + */ + #ifndef _IA32_NODES_ATTR_H_ #define _IA32_NODES_ATTR_H_ +#include "firm_config.h" + +#include + #include "firm_types.h" #include "../bearch.h" -typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod, flavour_Mul, flavour_Mulh } op_flavour_t; +typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_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 { + ia32_Normal, + ia32_Const, + ia32_SymConst, + ia32_AddrModeD, + ia32_AddrModeS +} ia32_op_type_t; + +typedef enum { + ia32_ImmNone, + ia32_ImmConst, + ia32_ImmSymConst +} ia32_immop_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; + 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 */ +} ia32_am_type_t; + +/** + * Different AM types: + * O - Offset is set + * B - Base is set + * I - Index is set + * S - Scale is set + */ + +enum { + ia32_O = (1 << 0), + ia32_B = (1 << 1), + ia32_I = (1 << 2), + ia32_S = (1 << 3) +}; + +typedef enum { + ia32_am_N = 0, + ia32_am_O = ia32_O, + ia32_am_B = ia32_B, + ia32_am_I = ia32_I, + ia32_am_IS = ia32_I | ia32_S, + ia32_am_BI = ia32_B | ia32_I, + ia32_am_OB = ia32_O | ia32_B, + ia32_am_OI = ia32_O | ia32_I, + ia32_am_OIS = ia32_O | ia32_I | ia32_S, + ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S +} ia32_am_flavour_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 */ + 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; -typedef struct _ia32_asmop_attr { - asmop_type_t tp; /**<< ia32 node type */ - addrmode_type_t am_tp; /**<< addr mode type */ +typedef struct _ia32_attr_t { + struct { + unsigned tp:3; /**< ia32 node type */ + unsigned imm_tp:2; /**< ia32 immop type */ + + unsigned am_support:2; /**< indicates addrmode type supported by this node */ + unsigned am_flavour:4; /**< the concrete addrmode characteristics */ + unsigned am_scale:2; /**< addrmode scale for index register */ + + unsigned offs_sign:1; /**< sign bit of the first offset */ + unsigned am_sc_sign:1; /**< sign bit of the address mode symconst */ + + unsigned use_frame:1; /**< indicates whether the operation uses the frame pointer or not */ + + unsigned op_flav:2; /**< flavour of an op (flavour_Div/Mod/DivMod) */ + + unsigned flags:4; /**< indicating if spillable and/or rematerializeable */ + + unsigned is_commutative:1; /**< indicates whether op is commutative or not */ + + unsigned emit_cl:1; /**< indicates whether we must emit cl instead of ecx (needed for shifts) */ + + unsigned got_lea:1; /**< indicates whether or not this node already consumed a LEA */ + + unsigned got_reload:1; /**< set to 1 if node cosumed a reload */ + + unsigned n_res:6; /**< number of results produced by this node */ + } data; + + long am_offs; /**< offsets for AddrMode */ + ident *am_sc; /**< SymConst for AddrMode */ + + union { + tarval *tv; /**< tarval for immediate operations */ + ident *sc; /**< the symconst ident */ + } cnst_val; + + ident *cnst; /**< points to the string representation of the constant value (either tv or sc) */ + + ir_mode *ls_mode; /**< the mode of the stored/loaded value */ + ir_mode *res_mode; /**< the mode of the result */ + ir_mode *src_mode; /**< source mode for conversion */ + ir_mode *tgt_mode; /**< target mode for conversion */ + + entity *frame_ent; /**< the frame entity attached to this node */ + + long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers) */ - tarval *am_offs; /**<< offset for AddrMode */ - tarval *am_const; /**<< shift const for AddrMode */ + unsigned latency; /**< the latency of the instruction in clock cycles */ - tarval *tv; /**<< tarval for immediate operations */ - ir_node *old_ir; /**<< old ir node to avoid duplicating information (symconst in case of asmop_SymConst) */ +#ifndef NDEBUG + const char *orig_node; /**< holds the name of the original ir node for debugging purposes */ +#endif /* NDEBUG */ - 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 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 *x87[3]; /**< register slots for x87 register */ - const arch_register_t **slots; /**<< register slots for assigned registers */ -} asmop_attr; + /* must be last, dynamic */ + const arch_register_t *slots[1]; /**< register slots for assigned registers */ +} ia32_attr_t; #endif /* _IA32_NODES_ATTR_H_ */