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RE: Bug 20375 - ia64 varadic regression
- From: "Dave Korn" <dave dot korn at artimi dot com>
- To: "'Richard Henderson'" <rth at redhat dot com>,"'Jeffrey A Law'" <law at redhat dot com>
- Cc: "'Mark Mitchell'" <mark at codesourcery dot com>,"'Nathan Sidwell'" <nathan at codesourcery dot com>,"'gcc'" <gcc at gcc dot gnu dot org>,"'Joseph S. Myers'" <joseph at codesourcery dot com>
- Date: Tue, 8 Mar 2005 18:42:22 -0000
- Subject: RE: Bug 20375 - ia64 varadic regression
----Original Message----
>From: Richard Henderson
>Sent: 08 March 2005 18:24
> On Tue, Mar 08, 2005 at 10:15:09AM -0700, Jeffrey A Law wrote:
>> FWIW, there is actually a system which varies its ABI based on whether
>> or not an argument is named -- my old favorite, the 32bit PA SOM ABI
>> behaves in this manner. In fact, I believe it is the only port which
>> gives a hoot about this kind of thing.
>>
>
> Actually, there are quite a few of these: sparc64, ia64 at least.
> I'm pretty sure there are others.
And PPC passes floats differently according to whether they're among the
variadic or named-args of a function, IIRC.
cheers,
DaveK
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