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;
13 typedef enum { ia32_Normal, ia32_Const, ia32_SymConst, ia32_AddrModeD, ia32_AddrModeS } ia32_op_type_t;
15 ia32_am_None = 0, /**<< no addrmode support */
16 ia32_am_Dest = 1, /**<< addrmode for destination only */
17 ia32_am_Source = 2, /**<< addrmode for source only */
18 ia32_am_Full = 3 /**<< full addmode support */
41 ia32_am_IS = ia32_I | ia32_S,
42 ia32_am_OB = ia32_O | ia32_B,
43 ia32_am_OI = ia32_O | ia32_I,
44 ia32_am_OIS = ia32_O | ia32_I | ia32_S,
45 ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S
48 typedef struct _ia32_register_req_t {
49 const arch_register_req_t req;
50 int same_pos; /**< in case of "should be same" we need to remember the pos to get the irn */
51 int different_pos; /**< in case of "should be different" we need to remember the pos to get the irn */
52 } ia32_register_req_t;
54 typedef struct _ia32_attr_t {
56 unsigned tp:3; /**< ia32 node type */
58 unsigned am_support:2; /**< indicates addrmode type supported by this node */
59 unsigned am_flavour:4; /**< the concrete addrmode characteristics */
60 unsigned am_scale:2; /**< addrmode scale for index register */
62 unsigned offs_sign:1; /**< sign bit of the first offset */
64 unsigned use_frame:1; /**< indicates whether the operation uses the frame pointer or not */
66 unsigned op_flav:2; /**< flavour of an op (flavour_Div/Mod/DivMod) */
68 unsigned flags:4; /**< indicating if spillable and/or rematerializeable */
70 unsigned is_commutative:1; /**< indicates whether op is commutative or not */
72 unsigned n_res:10; /**< number of results produced by this node */
75 struct obstack *am_offs; /**< offsets for AddrMode */
77 tarval *tv; /**< tarval for immediate operations */
78 char *sc; /**< symconst name */
79 char *cnst; /**< points to the string representation of the constant value (either tv or sc) */
81 ir_mode *ls_mode; /**< the mode of the stored/loaded value */
83 entity *frame_ent; /**< the frame entity attached to this node */
85 long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers) */
88 const char *orig_node; /**< holds the name of the original ir node for debugging purposes */
91 const ia32_register_req_t **in_req; /**< register requirements for arguments */
92 const ia32_register_req_t **out_req; /**< register requirements for results */
94 const arch_register_t **slots; /**< register slots for assigned registers */
97 #endif /* _IA32_NODES_ATTR_H_ */