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Re: Your change to function.c
- To: law at cygnus dot com, Richard Henderson <rth at cygnus dot com>
- Subject: Re: Your change to function.c
- From: Richard Henderson <rth at cygnus dot com>
- Date: Mon, 5 Oct 1998 00:49:36 -0700
- Cc: mark at markmitchell dot com, egcs-patches at cygnus dot com
- References: <19981005002438.C13018@dot.cygnus.com> <4578.907573133@hurl.cygnus.com>
- Reply-To: Richard Henderson <rth at cygnus dot com>
On Mon, Oct 05, 1998 at 01:38:53AM -0600, Jeffrey A Law wrote:
> I know stuff like (subreg:SF (reg:DF)) is not considered safe. I don't know
> about other forms. I think it's discussed somewhere in the manual.
True. But the one form I'm interested in is (subreg:I (reg:F) 0) where
I is MODE_INT, F is MODE_FLOAT, and I and F have the exact same size.
That, IMO, should be safe.
r~