pp.c: Silence some MS VC warnings

These are bogus warnings.

diff --git a/pp.c b/pp.c
index 1d83b08..babf348 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -1316,8 +1316,9 @@ PP(pp_multiply)
                    alow = aiv;
                    auvok = TRUE; /* effectively it's a UV now */
                } else {
-                    /* abs, auvok == false records sign */
-                   alow = -(UV)aiv;
+                    /* abs, auvok == false records sign; Using 0- here and
+                     * later to silence bogus warning from MS VC */
+                   alow = (UV) (0 - (UV) aiv);
                }
            }
            if (buvok) {
@@ -1329,7 +1330,7 @@ PP(pp_multiply)
                    buvok = TRUE; /* effectively it's a UV now */
                } else {
                     /* abs, buvok == false records sign */
-                   blow = -(UV)biv;
+                   blow = (UV) (0 - (UV) biv);
                }
            }
 
@@ -1564,7 +1565,7 @@ PP(pp_modulo)
                     right = biv;
                     right_neg = FALSE; /* effectively it's a UV now */
                 } else {
-                    right = -(UV)biv;
+                   right = (UV) (0 - (UV) biv);
                 }
             }
         }
@@ -1594,7 +1595,7 @@ PP(pp_modulo)
                         left = aiv;
                         left_neg = FALSE; /* effectively it's a UV now */
                     } else {
-                        left = -(UV)aiv;
+                        left = (UV) (0 - (UV) aiv);
                     }
                 }
         }
@@ -1893,7 +1894,7 @@ PP(pp_subtract)
                        auv = aiv;
                        auvok = 1;      /* Now acting as a sign flag.  */
                    } else {
-                       auv = -(UV)aiv;
+                        auv = (UV) (0 - (UV) aiv);
                    }
                }
                a_valid = 1;
@@ -1913,7 +1914,7 @@ PP(pp_subtract)
                    buv = biv;
                    buvok = 1;
                } else
-                    buv = -(UV)biv;
+                    buv = (UV) (0 - (UV) biv);
            }
            /* ?uvok if value is >= 0. basically, flagged as UV if it's +ve,
               else "IV" now, independent of how it came in.