Daily bump.

[pf3gnuchains/gcc-fork.git] / gcc / double-int.h

diff --git a/gcc/double-int.h b/gcc/double-int.h
index 65d25ef..6d15551 100644 (file)
--- a/gcc/double-int.h
+++ b/gcc/double-int.h
@@ -97,23 +97,49 @@ uhwi_to_double_int (unsigned HOST_WIDE_INT cst)
   return r;
 }
 
+/* Returns value of CST as a signed number.  CST must satisfy
+   double_int_fits_in_shwi_p.  */
+
+static inline HOST_WIDE_INT
+double_int_to_shwi (double_int cst)
+{
+  return (HOST_WIDE_INT) cst.low;
+}
+
+/* Returns value of CST as an unsigned number.  CST must satisfy
+   double_int_fits_in_uhwi_p.  */
+
+static inline unsigned HOST_WIDE_INT
+double_int_to_uhwi (double_int cst)
+{
+  return cst.low;
+}
+
+bool double_int_fits_in_hwi_p (double_int, bool);
+bool double_int_fits_in_shwi_p (double_int);
+
+/* Returns true if CST fits in unsigned HOST_WIDE_INT.  */
+
+static inline bool
+double_int_fits_in_uhwi_p (double_int cst)
+{
+  return cst.high == 0;
+}
+
 /* The following operations perform arithmetics modulo 2^precision,
    so you do not need to call double_int_ext between them, even if
    you are representing numbers with precision less than
    2 * HOST_BITS_PER_WIDE_INT bits.  */
 
 double_int double_int_mul (double_int, double_int);
+double_int double_int_mul_with_sign (double_int, double_int, bool, int *);
 double_int double_int_add (double_int, double_int);
+double_int double_int_sub (double_int, double_int);
 double_int double_int_neg (double_int);
 
 /* You must ensure that double_int_ext is called on the operands
    of the following operations, if the precision of the numbers
    is less than 2 * HOST_BITS_PER_WIDE_INT bits.  */
-bool double_int_fits_in_hwi_p (double_int, bool);
-bool double_int_fits_in_shwi_p (double_int);
-bool double_int_fits_in_uhwi_p (double_int);
-HOST_WIDE_INT double_int_to_shwi (double_int);
-unsigned HOST_WIDE_INT double_int_to_uhwi (double_int);
 double_int double_int_div (double_int, double_int, bool, unsigned);
 double_int double_int_sdiv (double_int, double_int, unsigned);
 double_int double_int_udiv (double_int, double_int, unsigned);
@@ -123,20 +149,68 @@ double_int double_int_umod (double_int, double_int, unsigned);
 double_int double_int_divmod (double_int, double_int, bool, unsigned, double_int *);
 double_int double_int_sdivmod (double_int, double_int, unsigned, double_int *);
 double_int double_int_udivmod (double_int, double_int, unsigned, double_int *);
+
 double_int double_int_setbit (double_int, unsigned);
+int double_int_ctz (double_int);
 
 /* Logical operations.  */
+
+/* Returns ~A.  */
+
 static inline double_int
 double_int_not (double_int a)
 {
   a.low = ~a.low;
-  a.high = ~ a.high;
+  a.high = ~a.high;
   return a;
 }
 
+/* Returns A | B.  */
+
+static inline double_int
+double_int_ior (double_int a, double_int b)
+{
+  a.low |= b.low;
+  a.high |= b.high;
+  return a;
+}
+
+/* Returns A & B.  */
+
+static inline double_int
+double_int_and (double_int a, double_int b)
+{
+  a.low &= b.low;
+  a.high &= b.high;
+  return a;
+}
+
+/* Returns A & ~B.  */
+
+static inline double_int
+double_int_and_not (double_int a, double_int b)
+{
+  a.low &= ~b.low;
+  a.high &= ~b.high;
+  return a;
+}
+
+/* Returns A ^ B.  */
+
+static inline double_int
+double_int_xor (double_int a, double_int b)
+{
+  a.low ^= b.low;
+  a.high ^= b.high;
+  return a;
+}
+
+
 /* Shift operations.  */
 double_int double_int_lshift (double_int, HOST_WIDE_INT, unsigned int, bool);
 double_int double_int_rshift (double_int, HOST_WIDE_INT, unsigned int, bool);
+double_int double_int_lrotate (double_int, HOST_WIDE_INT, unsigned int);
+double_int double_int_rrotate (double_int, HOST_WIDE_INT, unsigned int);
 
 /* Returns true if CST is negative.  Of course, CST is considered to
    be signed.  */
@@ -150,6 +224,15 @@ double_int_negative_p (double_int cst)
 int double_int_cmp (double_int, double_int, bool);
 int double_int_scmp (double_int, double_int);
 int double_int_ucmp (double_int, double_int);
+
+double_int double_int_max (double_int, double_int, bool);
+double_int double_int_smax (double_int, double_int);
+double_int double_int_umax (double_int, double_int);
+
+double_int double_int_min (double_int, double_int, bool);
+double_int double_int_smin (double_int, double_int);
+double_int double_int_umin (double_int, double_int);
+
 void dump_double_int (FILE *, double_int, bool);
 
 /* Zero and sign extension of numbers in smaller precisions.  */
@@ -200,11 +283,6 @@ double_int_equal_p (double_int cst1, double_int cst2)
 
 /* Legacy interface with decomposed high/low parts.  */
 
-extern tree force_fit_type_double (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT,
-                                  int, bool);
-extern int fit_double_type (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
-                           unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
-                           const_tree);
 extern int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
                                 unsigned HOST_WIDE_INT, HOST_WIDE_INT,
                                 unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
@@ -225,12 +303,6 @@ extern void lshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
 extern void rshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
                           HOST_WIDE_INT, unsigned int,
                           unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, bool);
-extern void lrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
-                           HOST_WIDE_INT, unsigned int,
-                           unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
-extern void rrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
-                           HOST_WIDE_INT, unsigned int,
-                           unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
 extern int div_and_round_double (unsigned, int, unsigned HOST_WIDE_INT,
                                 HOST_WIDE_INT, unsigned HOST_WIDE_INT,
                                 HOST_WIDE_INT, unsigned HOST_WIDE_INT *,