(simplify_unary_operation): Cast constant 1 to HOST_WIDE_INT

before shifting left to form mask.

From-SVN: r8707

diff --git a/gcc/cse.c b/gcc/cse.c
index 487cc3f33c3ec627463d2c20bc356edcb0b0366d..afb464c6981ce2b31f4c3306e44885100a6a5568 100644 (file)
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -3078,7 +3078,7 @@ simplify_unary_operation (code, mode, op, op_mode)
       if (width < HOST_BITS_PER_WIDE_INT
          && ((val & ((HOST_WIDE_INT) (-1) << (width - 1)))
              != ((HOST_WIDE_INT) (-1) << (width - 1))))
-       val &= (1 << width) - 1;
+       val &= ((HOST_WIDE_INT) 1 << width) - 1;
 
       return GEN_INT (val);
     }