This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

[Bug target/7198] [IA64] missing usual fnma patterns


------- Additional Comments From zack at codesourcery dot com  2004-01-27 18:04 -------
Subject: Re: Candidate patch for PR 7198

Jim Wilson <wilson@specifixinc.com> writes:

> I don't really see a need for the nmaddsf4_alts pattern.  This can only
> be created via expanders, and we currently don't have any expanders that
> need it.  It doesn't hurt to have it though, and it does make the
> patterns more symmetrical, so I don't mind if you add it.

I may be adding a mechanism for specifying that all floating-point
arithmetic operations are to use an alternative FPSR, in which case
we need _alts patterns for all basic arithmetic patterns; that's why I
added this.

zw



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7198


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]