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Re: [new-regalloc-branch] bunch of things [6/10]
- To: Michael Matz <matzmich at cs dot tu-berlin dot de>
- Subject: Re: [new-regalloc-branch] bunch of things [6/10]
- From: Richard Henderson <rth at redhat dot com>
- Date: Tue, 17 Jul 2001 11:24:56 -0700
- Cc: gcc-patches at gcc dot gnu dot org
- References: <Pine.GSO.4.33.0107171817110.21168-100000@platon>
On Tue, Jul 17, 2001 at 06:29:40PM +0200, Michael Matz wrote:
> A question to those who know better than me: I guess a bitfield insertion
> only defines the specified bits, and leave all others untouched, right?
Yep.
> I.e. if some other bits were undefined before, they still are, and if they
> were defined, they are unchanged.
Exactly.
Incidentally, STRICT_LOW_PART is a special case of a
bitfield insert, so it isn't a simple copy either.
r~