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[Bug target/55145] New: [4.8 Regression] [x32] -maddress-mode=long miscompiles glibc
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 31 Oct 2012 05:39:02 +0000
- Subject: [Bug target/55145] New: [4.8 Regression] [x32] -maddress-mode=long miscompiles glibc
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55145
Bug #: 55145
Summary: [4.8 Regression] [x32] -maddress-mode=long miscompiles
glibc
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: hjl.tools@gmail.com
CC: ubizjak@gmail.com
After fixing PR 55142, GCC 4.8 revision 193001 miscompiles
glibc trunk for x32 with -maddress-mode=long. Most glibc
tests failed with "Segmentation fault". It is independent
of LRA and may have something to do with recent subreg
changes.