public inbox for cgen@sourceware.org
 help / color / mirror / Atom feed
From: "Frank Ch. Eigler" <fche@redhat.com>
To: Ben Elliston <bje@redhat.com>
Cc: cgen@sources.redhat.com
Subject: Re: simulation; vliw targets; writeback tracking bitstring overflow
Date: Sun, 28 Jan 2001 20:04:00 -0000	[thread overview]
Message-ID: <20010128230442.A10997@redhat.com> (raw)
In-Reply-To: <Pine.LNX.4.31.0101291324390.23345-100000@moshpit.cygnus.com>

Hi -

On Mon, Jan 29, 2001 at 01:25:40PM +1000, Ben Elliston wrote:
:    Anyway, this needs to get fixed.  A couple of alternatives are:
: 
:    - widening the bitfield to "unsigned long long"
:    - adopting a separate per-field indicator variable
:    - (since I'm interested in sid -> C++) adopting a std::bitset<N> type
: 
: What are the runtime memory requirements for moving to unsigned long long?

Effectively immeasurably small: an extra 4 bytes in an scache struct
and semantic function stack frame.  It's not really a big issue either
way.

- FChE
-- 
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.4 (GNU/Linux)
Comment: For info see http://www.gnupg.org

iD8DBQE6dOvaVZbdDOm/ZT0RAvAxAJ9voCBZI7ZQ8rJ+KzlpwjWqkfvXRQCfdN/b
q0rFopFXMsbylOpGGOvd1tI=
=FKDq
-----END PGP SIGNATURE-----

      reply	other threads:[~2001-01-28 20:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-25 14:40 Frank Ch. Eigler
2001-01-28 19:44 ` Ben Elliston
2001-01-28 20:04   ` Frank Ch. Eigler [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20010128230442.A10997@redhat.com \
    --to=fche@redhat.com \
    --cc=bje@redhat.com \
    --cc=cgen@sources.redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).