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[Bug tree-optimization/42916] New: "-fcompare-debug failure" with "-O1 -funroll-loops -ftree-vectorize"
- From: "zsojka at seznam dot cz" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Jan 2010 20:31:32 -0000
- Subject: [Bug tree-optimization/42916] New: "-fcompare-debug failure" with "-O1 -funroll-loops -ftree-vectorize"
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
Command line:
gcc -O1 -funroll-loops -ftree-vectorize -fcompare-debug -m32 -c testcase.c
(-m32 is needed for x86_64)
Tested revisions:
r156367 - crash
r155363 - crash
r153685 - crash
Output:
$ /mnt/svn/gcc-trunk/binary-156367-lto/bin/gcc -O1 -funroll-loops
-ftree-vectorize -fcompare-debug -m32 -c testcase.c
gcc: testcase.c: -fcompare-debug failure (length)
--
Summary: "-fcompare-debug failure" with "-O1 -funroll-loops -
ftree-vectorize"
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: zsojka at seznam dot cz
GCC host triplet: x86(_64)-pc-linux-gnu
GCC target triplet: x86(_64)-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42916