diff options
Diffstat (limited to 'gcc/config/pdp11/pdp11.c')
| -rw-r--r-- | gcc/config/pdp11/pdp11.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/gcc/config/pdp11/pdp11.c b/gcc/config/pdp11/pdp11.c index 946d7ed973b..5b5ebebe0e5 100644 --- a/gcc/config/pdp11/pdp11.c +++ b/gcc/config/pdp11/pdp11.c @@ -1816,14 +1816,12 @@ output_addr_const_pdp11 (FILE *file, rtx x) 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. |