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[Bug target/41684] [4.4/4.5 regression] binutils testsuite failures when built with 4.4/4.5
- From: "mikpe at it dot uu dot se" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Oct 2009 14:12:33 -0000
- Subject: [Bug target/41684] [4.4/4.5 regression] binutils testsuite failures when built with 4.4/4.5
- References: <bug-41684-11764@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from mikpe at it dot uu dot se 2009-10-15 14:12 -------
(In reply to comment #6)
> A bisection has identified revision 139725 as the origin of this regression.
That revision added support for -fsection-anchors on arm and enabled it by
default at -O1 and above. Compiling with -fno-section-anchors eliminates the
regressions in the binutils ld testsuite (tested with 4.4.1 and 4.5-20091008).
I did a test with the range of anchor offsets reduced from [-4088,+4095] to a
tiny [-120,+127], which should work with any arm instruction, but that did not
eliminate the regressions.
I'm currently bootstrapping and testing a patch which disable section anchors
on arm. It will be interesting to see if it fixes any testsuite failures.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41684