#include "../bemachine.h"
#include "irnode_t.h"
+enum {
+ ia32_pn_Cmp_unsigned = 0x1000,
+ ia32_pn_Cmp_float = 0x2000,
+};
+
typedef enum {
ia32_Normal,
ia32_AddrModeD,
ia32_AddrModeS
} ia32_op_type_t;
-typedef enum {
- ia32_am_None = 0, /**< no addrmode support */
- ia32_am_Dest = 1,
- ia32_am_Source = 2 /**< addrmode for source only */
-} ia32_am_type_t;
-
typedef enum {
- ia32_am_arity_none = 0,
- ia32_am_unary = 1,
- ia32_am_binary = 2,
- ia32_am_ternary = 3,
-} ia32_am_arity_t;
+ ia32_am_none = 0,
+ ia32_am_unary = 1,
+ ia32_am_binary = 2
+} ia32_am_type_t;
typedef enum {
match_commutative = 1 << 0, /**< inputs are commutative */
- match_am_and_immediates = 1 << 1, /**< mode support AM and immediate at
+ 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_dest_am = 1 << 9,
match_try_am = 1 << 10, /**< only try to produce AM node, don't
do anything if AM isn't possible */
+ match_two_users = 1 << 11 /**< the instruction uses a load two times ... */
} match_flags_t;
typedef struct ia32_op_attr_t ia32_op_attr_t;
struct ia32_attr_t {
except_attr exc; /**< the exception attribute. MUST be the first one. */
struct ia32_attr_data_bitfield {
- unsigned flags:5; /**< Indicating if spillable, rematerializeable, stack modifying and/or ignore. */
- unsigned tp:3; /**< ia32 node type. */
- unsigned am_support:2; /**< Indicates the address mode type supported by this node. */
- unsigned am_arity : 2;
- unsigned am_scale:2; /**< The address mode scale for index register. */
- unsigned am_sc_sign:1; /**< The sign bit of the address mode symconst. */
+ unsigned flags:5; /**< Indicating if spillable, rematerializeable, stack modifying and/or ignore. */
+ unsigned tp:3; /**< ia32 node type. */
+ unsigned am_arity:2; /**< Indicates the address mode type supported by this node. */
+ unsigned am_scale:2; /**< The address mode scale for index register. */
+ unsigned am_sc_sign:1; /**< The sign bit of the address mode symconst. */
- 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. */
+ unsigned use_frame:1; /**< Indicates whether the operation uses the frame pointer or not. */
+ unsigned has_except_label:1; /**< Set if this node needs a label because of possible exception. */
- unsigned is_commutative:1; /**< Indicates whether op is commutative or not. */
+ unsigned is_commutative:1; /**< Indicates whether op is commutative or not. */
- unsigned need_stackent:1; /**< Set to 1 if node need space on stack. */
+ 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 */
+ unsigned is_reload : 1; /**< node performs a reload */
+ unsigned is_spill : 1;
+ unsigned is_remat : 1;
} data;
int *out_flags; /**< flags for each produced value */
const arch_register_t **slots; /**< register slots for assigned registers */
+ ir_label_t exc_label; /**< the exception label iff this instruction can throw an exception */
+
#ifndef NDEBUG
const char *orig_node; /**< holds the name of the original ir node */
unsigned attr_type; /**< bitfield indicating the attribute type */