trans.c (Attribute_to_gnu): Do not bother about NaN's if Machine_Overflows is true.

* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Min/Attr_Max>: Do not
	bother about NaN's if Machine_Overflows is true.

From-SVN: r223717
This commit is contained in:
Eric Botcazou 2015-05-26 20:42:20 +00:00 committed by Eric Botcazou
parent 545b492365
commit 89d5c50bd1
2 changed files with 7 additions and 1 deletions

View file

@ -1,3 +1,8 @@
2015-05-26 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Min/Attr_Max>: Do not
bother about NaN's if Machine_Overflows is true.
2015-05-26 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/trans.c (gnat_to_gnu) <N_Object_Declaration>: Really

View file

@ -2283,7 +2283,8 @@ Attribute_to_gnu (Node_Id gnat_node, tree *gnu_result_type_p, int attribute)
a NaN so we implement the semantics of C99 f{min,max} to make it
predictable in this case: if either operand is a NaN, the other
is returned; if both operands are NaN's, a NaN is returned. */
if (SCALAR_FLOAT_TYPE_P (gnu_result_type))
if (SCALAR_FLOAT_TYPE_P (gnu_result_type)
&& !Machine_Overflows_On_Target)
{
const bool lhs_side_effects_p = TREE_SIDE_EFFECTS (gnu_lhs);
const bool rhs_side_effects_p = TREE_SIDE_EFFECTS (gnu_rhs);