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* [Bug tree-optimization/42215]  New: [4.5 Regression] internal compiler error: verify_stmts failed with -O2 -ftree-loop-distribution
@ 2009-11-29 12:41 zsojka at seznam dot cz
  2009-11-29 12:42 ` [Bug tree-optimization/42215] " zsojka at seznam dot cz
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: zsojka at seznam dot cz @ 2009-11-29 12:41 UTC (permalink / raw)
  To: gcc-bugs

Compiler flags: -O2 -ftree-loop-distribution

Tested revisions:
trunk r154706 (20091127) - crash
trunk r153685 (20091028) - crash
4.4 r153668, r154724 - OK

==== file.c ====
extern int A[];
extern int B[];

void f(int i)
{
   while (i-- > 0) {
     A[i] = 0;
     B[i] = 0;
   }
}
=============

$ /mnt/svn/gcc-trunk/binary-154706-lto/bin/gcc -O2 -ftree-loop-distribution -c
file.c -o tmp.o -v
Using built-in specs.
COLLECT_GCC=/mnt/svn/gcc-trunk/binary-154706-lto/bin/gcc
COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-154706-lto/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --enable-languages=c,c++,lto
--prefix=/mnt/svn/gcc-trunk/binary-154706-lto
Thread model: posix
gcc version 4.5.0 20091127 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-O2' '-ftree-loop-distribution' '-c' '-o' 'tmp.o' '-v'
'-mtune=generic'

/mnt/svn/gcc-trunk/binary-154706-lto/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/cc1
-quiet -v file.c -quiet -dumpbase file.c -mtune=generic -auxbase-strip tmp.o
-O2 -version -ftree-loop-distribution -o /tmp/ccGTZYvH.s
GNU C (GCC) version 4.5.0 20091127 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.5.0 20091127 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.8
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/mnt/svn/gcc-trunk/binary-154706-lto/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 /mnt/svn/gcc-trunk/binary-154706-lto/include

/mnt/svn/gcc-trunk/binary-154706-lto/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/include

/mnt/svn/gcc-trunk/binary-154706-lto/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/include-fixed
 /usr/include
End of search list.
GNU C (GCC) version 4.5.0 20091127 (experimental) (x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.5.0 20091127 (experimental), GMP version
4.3.1, MPFR version 2.4.1-p5, MPC version 0.8
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 6ceb3c4a53027ce4dbc9ea8fb31afa70
file.c: In function &#8216;f&#8217;:
file.c:4:6: error: type mismatch in binary expression
long unsigned int

<unnamed-signed:64>

long unsigned int

D.2734_16 = D.2733_15 - D.2730_10;

file.c:4:6: error: type mismatch in binary expression
long unsigned int

<unnamed-signed:64>

long unsigned int

D.2742_24 = D.2741_23 - D.2738_20;

file.c:4:6: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.


-- 
           Summary: [4.5 Regression] internal compiler error: verify_stmts
                    failed with -O2 -ftree-loop-distribution
           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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42215


^ permalink raw reply	[flat|nested] 9+ messages in thread
end of thread, other threads:[~2009-12-12  1:46 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2009-11-29 12:41 [Bug tree-optimization/42215] New: [4.5 Regression] internal compiler error: verify_stmts failed with -O2 -ftree-loop-distribution zsojka at seznam dot cz
2009-11-29 12:42 ` [Bug tree-optimization/42215] " zsojka at seznam dot cz
2009-11-29 13:04 ` rguenth at gcc dot gnu dot org
2009-12-02 12:15 ` rguenth at gcc dot gnu dot org
2009-12-02 19:27 ` rth at gcc dot gnu dot org
2009-12-02 19:58 ` rth at gcc dot gnu dot org
2009-12-02 22:35 ` rth at gcc dot gnu dot org
2009-12-02 22:42 ` rth at gcc dot gnu dot org
2009-12-12  1:46 ` hjl at gcc dot gnu dot org

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