* cfgcleanup.c (try_head_merge_bb): If get_condition returns

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

diff --git a/gcc/double-int.c b/gcc/double-int.c
index cb63f85..834eaf9 100644 (file)
--- a/gcc/double-int.c
+++ b/gcc/double-int.c
@@ -20,9 +20,8 @@ along with GCC; see the file COPYING3.  If not see
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
-#include "tm.h"
+#include "tm.h"                        /* For SHIFT_COUNT_TRUNCATED.  */
 #include "tree.h"
-#include "toplev.h"
 
 /* We know that A1 + B1 = SUM1, using 2's complement arithmetic and ignoring
    overflow.  Suppose A, B and SUM have the same respective signs as A1, B1,
@@ -718,6 +717,19 @@ double_int_mul (double_int a, double_int b)
   return ret;
 }
 
+/* Returns A * B. If the operation overflows according to UNSIGNED_P,
+   *OVERFLOW is set to nonzero.  */
+
+double_int
+double_int_mul_with_sign (double_int a, double_int b,
+                          bool unsigned_p, int *overflow)
+{
+  double_int ret;
+  *overflow = mul_double_with_sign (a.low, a.high, b.low, b.high,
+                                    &ret.low, &ret.high, unsigned_p);
+  return ret;
+}
+
 /* Returns A + B.  */
 
 double_int