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Re: PATCH: PR target/35657: TDmode isn't aligned at 128bit when passing to a function


On Thu, Mar 27, 2008 at 10:54 AM, Mark Mitchell <mark@codesourcery.com> wrote:
>
> Richard Guenther wrote:
>  > On Thu, Mar 27, 2008 at 3:33 PM, Jan Hubicka <jh@suse.cz> wrote:
>  >>> Regarding 4.3.1 support - since this is an ABI change w.r.t released
>  >>  > compiler, RMs should have their last word. IMO, at least a notice in
>  >>  > release notes is needed
>  >>
>  >>  RM has last word here, for sure, but since the use of DFP currently is
>  >>  minimal and is supposed to rise for next major release, I would preffer
>  >>  fixing the issue in 4.3.1 rather than waiting for anohter half a year.
>  >>  With news.html update for sure ;)
>  >
>  > I tend to agree.  How often do you plan to change the DFP ABI? ;)
>
>  I agree too, but unhappily.  ABI changes really hurt GCC's acceptance;
>  they're one of the things that users most often complain about. :-(
>

The main problem is that the exiting ia32 psABI doesn't cover any new
hardware/software features and there are no updates to support them.
I am working on a solution.


H.J.


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