this is also an argument. This is used in call_function to build a
stack, and in value_being_returned to print return values.
- On Sparc64, we only pass pointers to structs if they're larger then
+ On Sparc64, we only pass pointers to structs if they're larger than
32 bytes. Otherwise they're stored in %o0-%o3 (floating-point
values go into %fp0-%fp3). */