+Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (fold_truthop): Properly check for FP RHS.
+
1999-12-24 Mark Mitchell <mark@codesourcery.com>
* toplev.h (note_deferall_of_defined_inline_function): Declare.
/* If the RHS can be evaluated unconditionally and its operands are
simple, it wins to evaluate the RHS unconditionally on machines
with expensive branches. In this case, this isn't a comparison
- that can be merged. */
-
- /* @@ I'm not sure it wins on the m88110 to do this if the comparisons
- are with zero (tmw). */
+ that can be merged. Avoid doing this if the RHS is a floating-point
+ comparison since those can trap. */
if (BRANCH_COST >= 2
- && INTEGRAL_TYPE_P (TREE_TYPE (rhs))
+ && ! FLOAT_TYPE_P (TREE_TYPE (rl_arg))
&& simple_operand_p (rl_arg)
&& simple_operand_p (rr_arg))
return build (code, truth_type, lhs, rhs);