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

diff --git a/gcc/double-int.c b/gcc/double-int.c
index 000be2b..0c0eacf 100644 (file)
--- a/gcc/double-int.c
+++ b/gcc/double-int.c
@@ -1013,18 +1013,6 @@ double_int_umod (double_int a, double_int b, unsigned code)
   return double_int_mod (a, b, true, code);
 }
 
-/* Set BITPOS bit in A.  */
-double_int
-double_int_setbit (double_int a, unsigned bitpos)
-{
-  if (bitpos < HOST_BITS_PER_WIDE_INT)
-    a.low |= (unsigned HOST_WIDE_INT) 1 << bitpos;
-  else
-    a.high |= (HOST_WIDE_INT) 1 <<  (bitpos - HOST_BITS_PER_WIDE_INT);
- 
-  return a;
-}
-
 /* Shift A left by COUNT places keeping only PREC bits of result.  Shift
    right if COUNT is negative.  ARITH true specifies arithmetic shifting;
    otherwise use logical shift.  */
@@ -1049,6 +1037,32 @@ double_int_rshift (double_int a, HOST_WIDE_INT count, unsigned int prec, bool ar
   return ret;
 }
 
+/* Constructs tree in type TYPE from with value given by CST.  Signedness of CST
+   is assumed to be the same as the signedness of TYPE.  */
+
+tree
+double_int_to_tree (tree type, double_int cst)
+{
+  if (bitpos < HOST_BITS_PER_WIDE_INT)
+    a.low |= (unsigned HOST_WIDE_INT) 1 << bitpos;
+  else
+    a.high |= (HOST_WIDE_INT) 1 <<  (bitpos - HOST_BITS_PER_WIDE_INT);
+ 
+  return a;
+}
+
+/* Shift A left by COUNT places keeping only PREC bits of result.  Shift
+   right if COUNT is negative.  ARITH true specifies arithmetic shifting;
+   otherwise use logical shift.  */
+
+double_int
+double_int_lshift (double_int a, HOST_WIDE_INT count, unsigned int prec, bool arith)
+{
+  double_int ret;
+  lshift_double (a.low, a.high, count, prec, &ret.low, &ret.high, arith);
+  return ret;
+}
+
 /* Returns -1 if A < B, 0 if A == B and 1 if A > B.  Signedness of the
    comparison is given by UNS.  */