+2010-11-01 Paul Koning <ni1d@arrl.net>
+
+ * config/pdp11/pdp11.c (pdp11_return_in_memory): Return vector and
+ complex modes in memory.
+
2010-11-01 Nathan Froyd <froydnj@codesourcery.com>
* tree.c (build_vector_from_val): Use useless_type_conversion_p.
static bool
pdp11_return_in_memory (const_tree type, const_tree fntype ATTRIBUTE_UNUSED)
{
- /* Should probably return DImode and DFmode in memory, lest
- we fill up all regs!
-
- have to, else we crash - exception: maybe return result in
- ac0 if DFmode and FPU present - compatibility problem with
- libraries for non-floating point.... */
+ /* Integers 32 bits and under, and scalar floats (if FPU), are returned
+ in registers. The rest go into memory. */
return (TYPE_MODE (type) == DImode
- || (FLOAT_MODE_P (TYPE_MODE (type)) && ! TARGET_AC0));
+ || (FLOAT_MODE_P (TYPE_MODE (type)) && ! TARGET_AC0)
+ || TREE_CODE (type) == VECTOR_TYPE
+ || COMPLEX_MODE_P (TYPE_MODE (type)));
}
/* Worker function for TARGET_FUNCTION_VALUE.