1 #ifndef _IA32_NODES_ATTR_H_
2 #define _IA32_NODES_ATTR_H_
4 #include "firm_config.h"
8 #include "firm_types.h"
11 typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
12 typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
29 ia32_am_None = 0, /**<< no addrmode support */
30 ia32_am_Dest = 1, /**<< addrmode for destination only */
31 ia32_am_Source = 2, /**<< addrmode for source only */
32 ia32_am_Full = 3 /**<< full addmode support */
55 ia32_am_IS = ia32_I | ia32_S,
56 ia32_am_BI = ia32_B | ia32_I,
57 ia32_am_OB = ia32_O | ia32_B,
58 ia32_am_OI = ia32_O | ia32_I,
59 ia32_am_OIS = ia32_O | ia32_I | ia32_S,
60 ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S
63 typedef struct _ia32_register_req_t {
64 const arch_register_req_t req;
65 int same_pos; /**< in case of "should be same" we need to remember the pos to get the irn */
66 int different_pos; /**< in case of "should be different" we need to remember the pos to get the irn */
67 } ia32_register_req_t;
69 typedef struct _ia32_attr_t {
71 unsigned tp:3; /**< ia32 node type */
72 unsigned imm_tp:2; /**< ia32 immop type */
74 unsigned am_support:2; /**< indicates addrmode type supported by this node */
75 unsigned am_flavour:4; /**< the concrete addrmode characteristics */
76 unsigned am_scale:2; /**< addrmode scale for index register */
78 unsigned offs_sign:1; /**< sign bit of the first offset */
79 unsigned am_sc_sign:1; /**< sign bit of the address mode symconst */
81 unsigned use_frame:1; /**< indicates whether the operation uses the frame pointer or not */
83 unsigned op_flav:2; /**< flavour of an op (flavour_Div/Mod/DivMod) */
85 unsigned flags:4; /**< indicating if spillable and/or rematerializeable */
87 unsigned is_commutative:1; /**< indicates whether op is commutative or not */
89 unsigned emit_cl:1; /**< indicates whether we must emit cl instead of ecx (needed for shifts) */
91 unsigned got_lea:1; /**< indicates whether or not this node already consumed a LEA */
93 unsigned n_res:7; /**< number of results produced by this node */
96 struct obstack *am_offs; /**< offsets for AddrMode */
97 ident *am_sc; /**< SymConst for AddrMode */
100 tarval *tv; /**< tarval for immediate operations */
101 ident *sc; /**< the symconst ident */
104 ident *cnst; /**< points to the string representation of the constant value (either tv or sc) */
106 ir_mode *ls_mode; /**< the mode of the stored/loaded value */
107 ir_mode *res_mode; /**< the mode of the result */
108 ir_mode *src_mode; /**< source mode for conversion */
109 ir_mode *tgt_mode; /**< target mode for conversion */
111 entity *frame_ent; /**< the frame entity attached to this node */
113 long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers) */
116 const char *orig_node; /**< holds the name of the original ir node for debugging purposes */
119 const ia32_register_req_t **in_req; /**< register requirements for arguments */
120 const ia32_register_req_t **out_req; /**< register requirements for results */
122 const arch_register_t *x87[3]; /**< register slots for x87 register */
124 /* must be last, dynamic */
125 const arch_register_t *slots[1]; /**< register slots for assigned registers */
128 #endif /* _IA32_NODES_ATTR_H_ */