------- Comment #6 from hjl dot tools at gmail dot com 2009-12-07 20:59 -------
(In reply to comment #5)
> The ABI says "is passed", not "is returned". The frontend did return-value
> promotion until I disabled that (see endless discussions and libffi fixes
> at that point).
>
> So where is a _Bool passed in a registed or on the stack in your testcases?
Please see b2.c in comment #2.
> I see the _Bool on stack is properly extended to 32bits. That the ABI
> requires 64bits here for _Bool seems odd - does it require that for
> char and int, too?
>
That is very odd. I think the psABI should be changed to
---
When a value of type _Bool is passed in a registeror on the stack,
the bits1-31 of the eightbyte shall be zero.
---
and leave the upper 32bits undefined.
--
hjl dot tools at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.3.5 |---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42324
