- ia32_am_arity_none = 0,
- ia32_am_unary = 1,
- ia32_am_binary = 2,
- ia32_am_ternary = 3,
-} ia32_am_arity_t;
-
-/**
- * Different Address Mode properties:
- * O - Offset is set
- * B - Base is set
- * I - Index is set
- * S - Scale is set
- */
-enum {
- ia32_O = (1 << 0), /**< O - Offset is set */
- ia32_B = (1 << 1), /**< B - Base is set */
- ia32_I = (1 << 2), /**< I - Index is set */
- ia32_S = (1 << 3) /**< S - Scale is set */
+ match_commutative = 1 << 0, /**< inputs are commutative */
+ match_am_and_immediates = 1 << 1, /**< node supports AM and immediate at
+ the same time */
+ match_am = 1 << 2, /**< node supports (32bit) source AM */
+ match_8bit_am = 1 << 3, /**< node supports 8bit source AM */
+ match_16bit_am = 1 << 4, /**< node supports 16bit source AM */
+ match_immediate = 1 << 5, /**< node supports immediates */
+ match_mode_neutral = 1 << 6, /**< 16 and 8 bit modes can be emulated
+ by 32 bit operations */
+ match_try_am = 1 << 7, /**< only try to produce AM node, don't
+ do anything if AM isn't possible */
+ match_two_users = 1 << 8 /**< the instruction uses a load two times ... */
+} match_flags_t;
+
+typedef struct ia32_op_attr_t ia32_op_attr_t;
+struct ia32_op_attr_t {
+ match_flags_t flags;
+ unsigned latency;