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Re: [PATCH] Fix 20020720-1.c on MIPS
- From: Richard Henderson <rth at redhat dot com>
- To: Roger Sayle <roger at eyesopen dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 14 Oct 2002 10:13:42 -0700
- Subject: Re: [PATCH] Fix 20020720-1.c on MIPS
- References: <Pine.LNX.4.33.0210132236180.6645-100000@www.eyesopen.com>
On Sun, Oct 13, 2002 at 10:54:08PM -0600, Roger Sayle wrote:
> * combine.c (simplify_set): Treat MODE_CC registers like cc0.
Will this simplify
cmpteq $f31, $f2, $f3
fbne $f3, Label
to
fbeq $f2, Label
on alpha? We sort of abuse CCmode to prevent this at the moment.
Just in case you're wondering, cmpteq handles NaN, but fbeq doesn't.
r~