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[Bug target/7198] [IA64] missing usual fnma patterns
- From: "zack at codesourcery dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Jan 2004 18:04:48 -0000
- Subject: [Bug target/7198] [IA64] missing usual fnma patterns
- References: <20020703083601.7198.tprince@computer.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=7198