#define CLEAR_HARD_REG_BIT(SET, BIT) \
((SET) &= ~(HARD_CONST (1) << (BIT)))
#define TEST_HARD_REG_BIT(SET, BIT) \
- ((SET) & (HARD_CONST (1) << (BIT)))
+ (!!((SET) & (HARD_CONST (1) << (BIT))))
#define CLEAR_HARD_REG_SET(TO) ((TO) = HARD_CONST (0))
#define SET_HARD_REG_SET(TO) ((TO) = ~ HARD_CONST (0))
&= ~(HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT)))
#define TEST_HARD_REG_BIT(SET, BIT) \
- ((SET)[(BIT) / UHOST_BITS_PER_WIDE_INT] \
- & (HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT)))
+ (!!((SET)[(BIT) / UHOST_BITS_PER_WIDE_INT] \
+ & (HARD_CONST (1) << ((BIT) % UHOST_BITS_PER_WIDE_INT))))
#if FIRST_PSEUDO_REGISTER <= 2*HOST_BITS_PER_WIDE_INT
#define CLEAR_HARD_REG_SET(TO) \
extern char call_used_regs[FIRST_PSEUDO_REGISTER];
+#ifdef CALL_REALLY_USED_REGISTERS
+extern char call_really_used_regs[];
+#endif
+
/* The same info as a HARD_REG_SET. */
extern HARD_REG_SET call_used_reg_set;
extern const char * reg_names[FIRST_PSEUDO_REGISTER];
+/* Given a hard REGN a FROM mode and a TO mode, return nonzero if
+ REGN cannot change modes between the specified modes. */
+#define REG_CANNOT_CHANGE_MODE_P(REGN, FROM, TO) \
+ CANNOT_CHANGE_MODE_CLASS (FROM, TO, REGNO_REG_CLASS (REGN))
+
#endif /* ! GCC_HARD_REG_SET_H */