middle-end/7198: ia64.md missing usual fnma patterns

Steven Bosscher s.bosscher@student.tudelft.nl
Sat Mar 1 14:44:00 GMT 2003


Op za 01-03-2003, om 15:28 schreef Tim Prince:
> On Saturday 01 March 2003 04:01, Steven Bosscher wrote:
> > http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&
> >pr=7198
> >
> > Does this bug still exist in the 3.3 branch and mainline?  It looks like
> > the patterns from your patch are already in ia64.md.
> That's interesting; I don't find them in the gcc-20030224 (3.3) snapshot.  In 
> fact, I just checked this week, and that snapshot was not employing fnma 
> instructions in my test code, so I applied this patch again.  The patterns 
> which came in ia64.md require a sign change, to match the more common source 
> code pattern, so it seems that a pattern with the sign change already applied 
> is needed.

Ah, you're right, I overlooked the "neg:[SDT]F" part" in ia64.md.




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