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Re: remembering comparison modes
- To: Michael Meissner <meissner at cygnus dot com>
- Subject: Re: remembering comparison modes
- From: Richard Henderson <rth at redhat dot com>
- Date: Tue, 23 Jan 2001 22:29:41 -0800
- Cc: DJ Delorie <dj at redhat dot com>, gcc-patches at gcc dot gnu dot org, dj at greed dot delorie dot com
- References: <200101240453.XAA32544@greed.delorie.com> <20010124001801.G9326@cse.cygnus.com>
On Wed, Jan 24, 2001 at 12:18:01AM -0500, Michael Meissner wrote:
> I would argue the the x86 machine
> description should use an appropriate mode on strict_low_part, ie:
>
> (set (strict_low_part:QI (subreg:QI (reg:SI ..)))
> ..)
Er, strict_low_part is a wrapper only. It never has a mode.
The mode is taken from the subreg that is its argument.
r~