optabs.c (expand_complex_ab): Use overflow-trapping optabs for signed types if flag_trapv.

* optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
signed types if flag_trapv.

From-SVN: r37458

gcc/ChangeLog

+2000-11-14  Chandrakala Chavva  <cchavva@redhat.com>
+
+	* optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
+	signed types if flag_trapv.
+
 2000-11-14  Zack Weinberg  <zack@wolery.stanford.edu>
 
 	* tradcpp.c, tradcif.y: Update FSF mailing address, delete

gcc/optabs.c

@@ -2505,7 +2505,8 @@ expand_complex_abs (mode, op0, target, unsignedp)
 
   /* Open-code the complex absolute-value operation
      if we can open-code sqrt.  Otherwise it's not worth while.  */
-  if (sqrt_optab->handlers[(int) submode].insn_code != CODE_FOR_nothing)
+  if (sqrt_optab->handlers[(int) submode].insn_code != CODE_FOR_nothing
+      && ! flag_trapv)
     {
       rtx real, imag, total;