- ia32_op_type_t tp; /**<< ia32 node type */
- ia32_am_type_t am_support; /**<< indicates addrmode type supported by this node */
- ia32_am_flavour_t am_flavour; /**<< the concrete addrmode characteristics */
+ 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 n_res:8; /**< number of results produced by this node */
+ } data;
+
+ struct obstack *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) */