#include "../bemachine.h"
#include "irnode_t.h"
-typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
-typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
-
typedef enum {
ia32_Normal,
ia32_AddrModeD,
} ia32_op_type_t;
typedef enum {
- ia32_am_None = 0, /**<< no addrmode support */
+ ia32_am_None = 0, /**< no addrmode support */
ia32_am_Dest = 1,
- ia32_am_Source = 2, /**<< addrmode for source only */
+ ia32_am_Source = 2, /**< addrmode for source only */
ia32_am_Full = 3
} ia32_am_type_t;
ia32_S = (1 << 3) /**< S - Scale is set */
};
-enum {
- ia32_pn_Cmp_Unsigned = 0x100 /**< set this flag in a pnc to indicate an unsigned compare operation */
-};
-
#ifndef NDEBUG
typedef enum {
IA32_ATTR_INVALID = 0,
IA32_ATTR_ia32_x87_attr_t = 1 << 1,
IA32_ATTR_ia32_asm_attr_t = 1 << 2,
IA32_ATTR_ia32_immediate_attr_t = 1 << 3,
+ IA32_ATTR_ia32_condcode_attr_t = 1 << 4,
+ IA32_ATTR_ia32_copyb_attr_t = 1 << 5
} ia32_attr_type_t;
#endif
+/**
+ * The generic ia32 attributes. Every node has them.
+ */
typedef struct ia32_attr_t ia32_attr_t;
struct ia32_attr_t {
except_attr exc; /**< the exception attribute. MUST be the first one. */
unsigned use_frame:1; /**< Indicates whether the operation uses the frame pointer or not. */
unsigned except_label:1; /**< Set if this node needs a label because of possible exception. */
- ia32_op_flavour_t op_flav:2;/**< Flavour of an op (flavour_Div/Mod/DivMod). */
-
unsigned is_commutative:1; /**< Indicates whether op is commutative or not. */
- unsigned got_lea:1; /**< Indicates whether or not this node already consumed a LEA. */
-
unsigned need_stackent:1; /**< Set to 1 if node need space on stack. */
unsigned need_64bit_stackent:1; /**< needs a 64bit stack entity (see double->unsigned int conv) */
unsigned need_32bit_stackent:1; /**< needs a 32bit stack entity */
+ unsigned ins_permuted : 1; /**< inputs of node have been permuted
+ (for commutative nodes) */
+ unsigned cmp_unsigned : 1; /**< compare should be unsigned */
} data;
int *out_flags; /**< flags for each produced value */
ir_entity *frame_ent; /**< the frame entity attached to this node */
- long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers for switches) */
-
unsigned latency; /**< the latency of the instruction in clock cycles */
-#ifndef NDEBUG
- const char *orig_node; /**< holds the name of the original ir node */
- unsigned attr_type; /**< bitfield indicating the attribute type */
-#endif
-
const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
const arch_register_req_t **in_req; /**< register requirements for arguments */
const arch_register_req_t **out_req; /**< register requirements for results */
const arch_register_t **slots; /**< register slots for assigned registers */
+
+#ifndef NDEBUG
+ const char *orig_node; /**< holds the name of the original ir node */
+ unsigned attr_type; /**< bitfield indicating the attribute type */
+#endif
};
COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield);
+/**
+ * The attributes for nodes with condition code.
+ */
+typedef struct ia32_condcode_attr_t ia32_condcode_attr_t;
+struct ia32_condcode_attr_t {
+ ia32_attr_t attr; /**< generic attribute */
+ long pn_code; /**< projnum "types" (e.g. indicate compare operators */
+};
+
+/**
+ * The attributes for CopyB code.
+ */
+typedef struct ia32_copyb_attr_t ia32_copyb_attr_t;
+struct ia32_copyb_attr_t {
+ ia32_attr_t attr; /**< generic attribute */
+ unsigned size; /**< size of copied block */
+};
+
+/**
+ * The attributes for immediates.
+ */
typedef struct ia32_immediate_attr_t ia32_immediate_attr_t;
struct ia32_immediate_attr_t {
- ia32_attr_t attr;
- ir_entity *symconst;
- long offset;
+ ia32_attr_t attr; /**< generic attribute */
+ ir_entity *symconst; /**< An entity if any. */
+ long offset; /**< An offset if any. */
+ unsigned sc_sign:1; /**< The sign bit of the symconst. */
};
+/**
+ * The attributes for x87 nodes.
+ */
typedef struct ia32_x87_attr_t ia32_x87_attr_t;
struct ia32_x87_attr_t {
- ia32_attr_t attr;
+ ia32_attr_t attr; /**< the generic attribute */
const arch_register_t *x87[3]; /**< register slots for x87 register */
};
+typedef struct ia32_asm_reg_t ia32_asm_reg_t;
+struct ia32_asm_reg_t {
+ unsigned use_input : 1; /* use input or output pos */
+ unsigned valid : 1;
+ unsigned memory : 1;
+ unsigned dummy_fill : 13;
+ unsigned inout_pos : 16; /* in/out pos where the
+ register is assigned */
+ const ir_mode *mode;
+};
+
+/**
+ * The attributes for ASM nodes.
+ */
typedef struct ia32_asm_attr_t ia32_asm_attr_t;
struct ia32_asm_attr_t {
- ia32_x87_attr_t x87_attr;
- ident *asm_text;
+ ia32_x87_attr_t x87_attr;
+ ident *asm_text;
+ const ia32_asm_reg_t *register_map;
};
/* the following union is necessary to indicate to the compiler that we might want to cast
* the structs (we use them to simulate OO-inheritance) */
union allow_casts_attr_t_ {
ia32_attr_t attr;
+ ia32_condcode_attr_t cc_attr;
+ ia32_copyb_attr_t cpy_attr;
ia32_x87_attr_t x87_attr;
ia32_asm_attr_t asm_attr;
ia32_immediate_attr_t immediate_attr;
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