#include "../bearch.h"
#include "../../common/firm_types.h"
-
+/** A register requirement. */
typedef struct _arm_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 */
+ 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 */
} arm_register_req_t;
+/**
+ * Possible ARM register shift types.
+ */
+typedef enum _arm_shift_modifier {
+ ARM_SHF_NONE = 0, /**< no shift */
+ ARM_SHF_IMM = 1, /**< immediate operand with implicit ROR */
+ ARM_SHF_ASR = 2, /**< arithmetic shift right */
+ ARM_SHF_LSL = 3, /**< logical shift left */
+ ARM_SHF_LSR = 4, /**< logical shift right */
+ ARM_SHF_ROR = 5, /**< rotate right */
+ ARM_SHF_RRX = 6, /**< rotate with sign extend */
+} arm_shift_modifier;
-typedef struct _arm_attr_t {
- arch_irn_flags_t flags; /**<< indicating if spillable, rematerializeable ... etc. */
- int n_res; /**<< number of results for this node */
+/** True, if the modifier implies a shift argument */
+#define ARM_HAS_SHIFT(mod) ((mod) > ARM_SHF_IMM)
+
+/** get the shift modifier from flags */
+#define ARM_GET_SHF_MOD(attr) ((attr)->instr_fl & 7)
+
+/** set the shift modifier to flags */
+#define ARM_SET_SHF_MOD(attr, mod) ((attr)->instr_fl = (((attr)->instr_fl & ~7) | (mod)))
+
+
+/**
+ * Possible ARM condition codes.
+ */
+typedef enum _arm_condition {
+ ARM_COND_EQ = 0, /**< Equal, Z set. */
+ ARM_COND_NE = 1, /**< Not Equal, Z clear */
+ ARM_COND_CS = 2, /**< Carry set, unsigned >=, C set */
+ ARM_COND_CC = 3, /**< Carry clear, unsigned <, C clear */
+ ARM_COND_MI = 4, /**< Minus/Negativ, N set */
+ ARM_COND_PL = 5, /**< Plus/Positiv or Zero, N clear */
+ ARM_COND_VS = 6, /**< Overflow, V set */
+ ARM_COND_VC = 7, /**< No overflow, V clear */
+ ARM_COND_HI = 8, /**< unsigned >, C set and Z clear */
+ ARM_COND_LS = 9, /**< unsigned <=, C clear or Z set */
+ ARM_COND_GE = 10, /**< signed >=, N == V */
+ ARM_COND_LT = 11, /**< signed <, N != V */
+ ARM_COND_GT = 12, /**< signed >, Z clear and N == V */
+ ARM_COND_LE = 13, /**< signed <=, Z set or N != V */
+ ARM_COND_AL = 14, /**< Always (unconditional) */
+ ARM_COND_NV = 15 /**< forbidden */
+} arm_condition;
- const arm_register_req_t **in_req; /**<< register requirements for arguments */
- const arm_register_req_t **out_req; /**<< register requirements for results */
+/** Get the condition code from flags */
+#define ARM_GET_COND(attr) (((attr)->instr_fl >> 3) & 15)
- const arch_register_t **slots; /**<< register slots for assigned registers */
+/** Set the condition code to flags */
+#define ARM_SET_COND(attr, code) ((attr)->instr_fl = (((attr)->instr_fl & ~(15 << 3)) | ((code) << 3)))
- tarval *value;
+typedef struct _arm_attr_t {
+ arch_irn_flags_t flags; /**< indicating if spillable, rematerializeable ... etc. */
+ int n_res; /**< number of results for this node */
+
+ const arm_register_req_t **in_req; /**< register requirements for arguments */
+ const arm_register_req_t **out_req; /**< register requirements for results */
+
+ ir_mode *op_mode; /**< operation mode */
+ unsigned instr_fl; /**< condition code, shift modifier */
+ tarval *value; /**< immediate */
const char *symconst_label;
int proj_num;
int n_projs;
long default_proj_num;
+
+ /* must be last, dynamically allocated */
+ const arch_register_t *slots[1]; /**< register slots for assigned registers */
} arm_attr_t;
+/**
+ * Returns the shift modifier string.
+ */
+const char *arm_shf_mod_name(arm_shift_modifier mod);
+
#endif /* _ARM_NODES_ATTR_H_ */
projects / libfirm / blobdiff