From: Hans-Peter Nilsson <hans-peter.nilsson@axis.com>
To: dje@transmeta.com
Cc: hans-peter.nilsson@axis.com, cgen@sources.redhat.com
Subject: Re: [RFA:] In -build-operand!, -build-reg-operand, collect the natural mode, not the used mode,
Date: Fri, 13 Dec 2002 17:38:00 -0000 [thread overview]
Message-ID: <200212140138.gBE1c6HA026946@ignucius.axis.se> (raw)
In-Reply-To: <15866.32849.125398.731160@casey.transmeta.com> (message from Doug Evans on Fri, 13 Dec 2002 16:50:25 -0800 (PST))
> From: Doug Evans <dje@transmeta.com>
> Date: Fri, 13 Dec 2002 16:50:25 -0800 (PST)
> Hans-Peter Nilsson writes:
> > (unit u-foo "Foo Unit" () 1 1 ()
> > ((dr INT -1))
> > () ()))
> >
> > Consider the case where one insn accesses a register in multiple
> > modes, while another accesses it in one mode.
>
> I recognize the issue.
>
> But suppose each of those multiple-mode accesses feed into different
> units and suppose they're conditionally referenced. Collapsing
> them all into one would be wrong.
> The proposed new `rename' rtx would help here,
Yep. All my problems would be solved with the unit redirection
stuff (well, AFAICS). I won't argue about the modes if I get
that. Gimme! :-)
brgds, H-P
next prev parent reply other threads:[~2002-12-14 1:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-05 16:29 Hans-Peter Nilsson
2002-12-13 5:49 ` Doug Evans
2002-12-13 6:42 ` Hans-Peter Nilsson
2002-12-13 16:50 ` Doug Evans
2002-12-13 17:38 ` Hans-Peter Nilsson [this message]
2002-12-20 2:51 ` Doug Evans
2002-12-20 9:18 ` Doug Evans
2002-12-20 19:33 ` Hans-Peter Nilsson
2003-01-14 6:09 ` Doug Evans
2003-01-14 6:12 ` Doug Evans
2003-01-14 14:51 ` Hans-Peter Nilsson
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=200212140138.gBE1c6HA026946@ignucius.axis.se \
--to=hans-peter.nilsson@axis.com \
--cc=cgen@sources.redhat.com \
--cc=dje@transmeta.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).