From: Jakub Jelinek <jakub@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Jason Merrill <jason@redhat.com>,
Richard Henderson <rth@redhat.com>,
gcc-patches@gcc.gnu.org, Steve Ellcey <sje@cup.hp.com>
Subject: Re: [PATCH] Fix up typed DWARF stack support for POINTERS_EXTEND_UNSIGNED targets (PR debug/48853)
Date: Thu, 12 May 2011 16:40:00 -0000 [thread overview]
Message-ID: <20110512145610.GL17079@tyan-ft48-01.lab.bos.redhat.com> (raw)
In-Reply-To: <BANLkTi==QDuvBzsqMkWpeafSrds=QZ1xBA@mail.gmail.com>
On Wed, May 11, 2011 at 12:28:18PM -0700, H.J. Lu wrote:
> This patch restores the old behavior for Pmode. OK for trunk if there
> are no regressions?
That is IMHO wrong, ignoring subregs is a very bad idea.
While you can workaround generation of the DW_OP_GNU_convert that way
(why do you want that?, just install newer gdb that has typed dwarf stack
support, coming hopefully soon), you'd get incorrect debug info for
long long to int casts.
Jakub
next prev parent reply other threads:[~2011-05-12 14:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-05 9:22 Jakub Jelinek
2011-05-05 14:53 ` Jason Merrill
2011-05-05 15:24 ` Jakub Jelinek
2011-05-05 15:29 ` Jason Merrill
2011-05-07 5:21 ` H.J. Lu
2011-05-09 19:24 ` Jason Merrill
2011-05-11 22:14 ` H.J. Lu
2011-05-12 16:40 ` Jakub Jelinek [this message]
2011-05-12 17:38 ` H.J. Lu
2011-05-12 19:55 ` Tom Tromey
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=20110512145610.GL17079@tyan-ft48-01.lab.bos.redhat.com \
--to=jakub@redhat.com \
--cc=gcc-patches@gcc.gnu.org \
--cc=hjl.tools@gmail.com \
--cc=jason@redhat.com \
--cc=rth@redhat.com \
--cc=sje@cup.hp.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).