public inbox for gcc-prs@sourceware.org
help / color / mirror / Atom feed
From: davem@redhat.com
To: gcc-gnats@gcc.gnu.org
Subject: target/6500: Sparc.md's prefetch is buggy
Date: Sun, 28 Apr 2002 05:36:00 -0000 [thread overview]
Message-ID: <20020428123112.16715.qmail@sources.redhat.com> (raw)
>Number: 6500
>Category: target
>Synopsis: Sparc.md's prefetch is buggy
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Apr 28 05:36:00 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator: davem@redhat.com
>Release: GCC cvs 3.1
>Organization:
>Environment:
sparc*-*
>Description:
The prefetch instruction case used in sparc.md
for locality==3 is wrong, prefetch page does something
totally different from the other prefetch types.
It prefetches TLB translations, it doesn't bring
any data into the data caches of the processor.
>How-To-Repeat:
>Fix:
Change locality==3 case in sparc.md's prefetch instruction
to use prefetch function 0 for reads and 2 for writes.
>Release-Note:
>Audit-Trail:
>Unformatted:
next reply other threads:[~2002-04-28 12:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-28 5:36 davem [this message]
2002-04-28 22:37 davem
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=20020428123112.16715.qmail@sources.redhat.com \
--to=davem@redhat.com \
--cc=gcc-gnats@gcc.gnu.org \
/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).