+/**
+ * Type definitions for ia32 node attributes.
+ * @author Christian Wuerdig
+ * $Id$
+ */
+
#ifndef _IA32_NODES_ATTR_H_
#define _IA32_NODES_ATTR_H_
+#include "firm_config.h"
+
+#include <obstack.h>
+
#include "firm_types.h"
#include "../bearch.h"
-typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod, flavour_Mul, flavour_Mulh } op_flavour_t;
+typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
-typedef enum { asmop_Normal, asmop_Const, asmop_SymConst, asmop_AddrMode } asmop_type_t;
+
+typedef enum {
+ ia32_Normal,
+ ia32_Const,
+ ia32_SymConst,
+ ia32_AddrModeD,
+ ia32_AddrModeS
+} ia32_op_type_t;
+
+typedef enum {
+ ia32_ImmNone,
+ ia32_ImmConst,
+ ia32_ImmSymConst
+} ia32_immop_type_t;
+
typedef enum {
- 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 pos; /**<< in case of "should be same/different" we need to remember the pos to get the irn */
+ 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_asmop_attr {
- asmop_type_t tp; /**<< ia32 node type */
- addrmode_type_t am_tp; /**<< addr mode type */
+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 got_lea:1; /**< indicates whether or not this node already consumed a LEA */
+
+ unsigned got_reload:1; /**< set to 1 if node cosumed a reload */
+
+ unsigned n_res:6; /**< number of results produced by this node */
+ } data;
+
+ long 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) */
+
+ ir_mode *ls_mode; /**< the mode of the stored/loaded value */
+ ir_mode *res_mode; /**< the mode of the result */
+ ir_mode *src_mode; /**< source mode for conversion */
+ ir_mode *tgt_mode; /**< target mode for conversion */
+
+ entity *frame_ent; /**< the frame entity attached to this node */
+
+ long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers) */
- tarval *am_offs; /**<< offset for AddrMode */
- tarval *am_const; /**<< shift const for AddrMode */
+ unsigned latency; /**< the latency of the instruction in clock cycles */
- tarval *tv; /**<< tarval for immediate operations */
- ir_node *old_ir; /**<< old ir node to avoid duplicating information (symconst in case of asmop_SymConst) */
+#ifndef NDEBUG
+ const char *orig_node; /**< holds the name of the original ir node for debugging purposes */
+#endif /* NDEBUG */
- op_flavour_t op_flav; /**<< flavour of an op (flavour_Div/Mod/DivMod/Mul/Mulh) */
- long pn_code; /**<< projnum "types" (e.g. indicate compare operators and argument numbers) */
- long n_res; /**<< number of results */
- arch_irn_flags_t flags; /**<< indicating if spillable and/or rematerializeable */
+ const ia32_register_req_t **in_req; /**< register requirements for arguments */
+ const ia32_register_req_t **out_req; /**< register requirements for results */
- const ia32_register_req_t **in_req; /**<< register requirements for arguments */
- const ia32_register_req_t **out_req; /**<< register requirements for results */
+ const arch_register_t *x87[3]; /**< register slots for x87 register */
- const arch_register_t **slots; /**<< register slots for assigned registers */
-} asmop_attr;
+ /* must be last, dynamic */
+ const arch_register_t *slots[1]; /**< register slots for assigned registers */
+} ia32_attr_t;
#endif /* _IA32_NODES_ATTR_H_ */
projects / libfirm / blobdiff