From: Mike Frysinger <vapier@gentoo.org>
To: Jim Wilson <jim.wilson@linaro.org>
Cc: "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>,
Nick Clifton <nickc@redhat.com>
Subject: Re: [PATCH] fix for aarch64 sim tbnz bug
Date: Fri, 02 Dec 2016 09:32:00 -0000 [thread overview]
Message-ID: <CAJaTeTpn=Y_PYzufM1pkMbnp0J9jqoYYx=17UQJauY9VLq5n0g@mail.gmail.com> (raw)
In-Reply-To: <CABXYE2W++FWtcyNq4FAroJ2+VNJOHWs7-sdHMBm=6kOwSkD5Ug@mail.gmail.com>
On Thu, Dec 1, 2016 at 11:49 PM, Jim Wilson wrote:
> Debugged another gcc testsuite failure, and found that tbnz/tbz are
> broken when the bit position to test is greater than 31. There are
> two problems. The high bit of the bit position is shifted left by the
> wrong amount. And we need to use (uint64_t)1 to get a 64-bit shift
> result.
>
> Tested with a gcc C testsuite run. This reduces failures from 2856 to 2710.
can we please start getting tests added to sim too ? using gcc
indirectly to validate the sim is a bit un
-mike
next prev parent reply other threads:[~2016-12-02 9:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-02 4:49 Jim Wilson
2016-12-02 9:32 ` Mike Frysinger [this message]
2016-12-05 3:45 ` Jim Wilson
2016-12-12 18:38 ` Jim Wilson
2016-12-12 18:42 ` Mike Frysinger
2016-12-13 0:33 ` Jim Wilson
2016-12-13 6:38 ` Mike Frysinger
2016-12-13 10:45 ` Nick Clifton
2016-12-02 12:03 ` Nick Clifton
2016-12-02 15:59 ` Jim Wilson
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