- 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 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_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 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;