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Re: Unrepresentable subregs and hard_regno_nregs
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Rask Ingemann Lambertsen <rask at sygehus dot dk>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 1 Jan 2007 23:50:17 +0000 (UTC)
- Subject: Re: Unrepresentable subregs and hard_regno_nregs
- References: <Pine.LNX.4.64.0612191843410.28929@digraph.polyomino.org.uk> <20070101233136.GA3563@sygehus.dk>
On Tue, 2 Jan 2007, Rask Ingemann Lambertsen wrote:
> The bodies of these two if's are identical. Is that intentional?
Yes. There are two related conditions (either the inner or the outer mode
using fewer bits of a register, with more than one register required to
hold a value of that mode), and in both cases the same logic applies.
--
Joseph S. Myers
joseph@codesourcery.com