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From: "kkojima at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/49468] SH Target: inefficient integer abs code
Date: Wed, 22 Jun 2011 22:38:00 -0000	[thread overview]
Message-ID: <bug-49468-4-HHetgtWzjB@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-49468-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49468

Kazumoto Kojima <kkojima at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement

--- Comment #3 from Kazumoto Kojima <kkojima at gcc dot gnu.org> 2011-06-22 22:37:28 UTC ---
On sh4-unknown-linux-gnu, this patch causes two new failures on
libstdc++ testsuite

FAIL: 27_io/basic_ostream/inserters_arithmetic/char/7.cc execution test
FAIL: 27_io/basic_ostream/inserters_arithmetic/wchar_t/7.cc execution test

I can't find any differences between generated codes for those
test cases by compilers with/without your patch and the failures
go away if the tests are running with libstdc++ library built
with the unpatched compiler.
So it seems that something in libstdc++ library is miscompiled.
Weired and hard to see what is going on, ATM.


  parent reply	other threads:[~2011-06-22 22:38 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-19 15:15 [Bug target/49468] New: " oleg.endo@t-online.de
2011-06-19 15:30 ` [Bug target/49468] " oleg.endo@t-online.de
2011-06-19 15:49 ` oleg.endo@t-online.de
2011-06-22 22:38 ` kkojima at gcc dot gnu.org [this message]
2011-06-26 20:49 ` oleg.endo@t-online.de
2011-06-27  6:40 ` kkojima at gcc dot gnu.org
2011-06-29  1:37 ` oleg.endo@t-online.de
2011-09-25 12:53 ` oleg.endo@t-online.de
2012-02-26 23:38 ` olegendo at gcc dot gnu.org
2012-02-28  8:44 ` olegendo at gcc dot gnu.org
2012-02-29 23:23 ` kkojima at gcc dot gnu.org
2012-03-14 23:10 ` olegendo at gcc dot gnu.org
2013-12-05 19:26 ` olegendo at gcc dot gnu.org

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