2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+ * real.h (real_isinteger): Declare.
+ * real.c (real_isinteger): Define.
+ * builtins.c (integer_valued_real_p): Use it.
+
+2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
PR c/9072
* c.opt (Wtraditional-conversion): New.
(Wconversion): Update description.
&& integer_valued_real_p (TREE_OPERAND (t, 2));
case REAL_CST:
- if (! TREE_CONSTANT_OVERFLOW (t))
- {
- REAL_VALUE_TYPE c, cint;
-
- c = TREE_REAL_CST (t);
- real_trunc (&cint, TYPE_MODE (TREE_TYPE (t)), &c);
- return real_identical (&c, &cint);
- }
- break;
+ return real_isinteger (TREE_REAL_CST_PTR (t), TYPE_MODE (TREE_TYPE (t)));
case NOP_EXPR:
{
real_from_string (r, buf);
}
+
+/* Check whether the real constant value given is an integer. */
+
+bool
+real_isinteger (const REAL_VALUE_TYPE *c, enum machine_mode mode)
+{
+ REAL_VALUE_TYPE cint;
+
+ real_trunc (&cint, mode, c);
+ return real_identical (c, &cint);
+}
extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr);
extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *);
+/* Check whether the real constant value given is an integer. */
+extern bool real_isinteger (const REAL_VALUE_TYPE *c, enum machine_mode mode);
+
#endif /* ! GCC_REAL_H */