+Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_relational_operation): Always simplify
+ ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
+ and UNGE.
+
Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
* combine.c (combine_simplify_rtx): Recognize the unordered compares.
return simplify_relational_operation (signed_condition (code),
mode, tem, const0_rtx);
+ if (flag_fast_math && code == ORDERED)
+ return const_true_rtx;
+
+ if (flag_fast_math && code == UNORDERED)
+ return const0_rtx;
+
/* For non-IEEE floating-point, if the two operands are equal, we know the
result. */
if (rtx_equal_p (op0, op1)
case GTU:
return op1ltu ? const_true_rtx : const0_rtx;
case LE:
+ case UNLE:
return equal || op0lt ? const_true_rtx : const0_rtx;
case GE:
+ case UNGE:
return equal || op1lt ? const_true_rtx : const0_rtx;
case LEU:
return equal || op0ltu ? const_true_rtx : const0_rtx;