Thread (17 messages) flat view 17 messages, 4 authors, 2007-03-08

Re: [patch][5/5] powerpc V2: Add the general support for Embedded Floating-Point instructions

From: Segher Boessenkool <hidden>
Date: 2007-02-09 14:40:21

quoted
quoted
I thought we were going to have some general Kconfig option
to enable all this?  EMDEDDED_FP_IEEE or something like that
So that users have chance to enable/disable fully IEEE compliance?
Segher
had mentioned this, and it sounds reasonable.
Its alot of code to bring in if you don't care about IEEE compliance.
Yes certainly, and that's important for embedded applications.

My point however is that this should be selectable *per process*
at runtime.  Compare to the AltiVec situation (where processes
can select (non-)IEEE behaviour by themselves); most tasks do
*not* want IEEE behaviour as it is just too expensive (and not
necessary for many applications).


Segher
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