Segfault on compilation of following source:
struct _matrix {
double lineardata[4 * 4];
double & operator()(int row, int col = 0) {
return lineardata[col * 4 + row];
}
};
struct matrix : public _matrix {
typedef _matrix parent;
double & operator()(int row, int col = 0)
{ return parent::operator()(row,col); }
};
void add(matrix & __restrict in1, matrix & __restrict in2, matrix & __restrict
result) {
for (int col=0; col<4; ++col)
for (int row=0; row<4; ++row)
result(row, col) = in1(row, col) + in2(row, col);
}
--- end of source ---
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: /esat/alexandria1/sderoeck/src/gcc/main/configure
--prefix=/esat/olympia/install --program-suffix=-cvs --enable-languages=c,c++
Thread model: posix
gcc version 4.1.0 20050523 (experimental)
/esat/olympia/install/libexec/gcc/i686-pc-linux-gnu/4.1.0/cc1plus -quiet -v
-I/users/visics/sderoeck/projects/clean/CaveIn/Whistler -D_GNU_SOURCE test13.cpp
-quiet -dumpbasetest13.cpp -march=pentium4 -auxbase-strip test13.S -O9 -version
-fverbose-asm -fdump-tree-vect-stats -fdump-tree-vect-details -funroll-all-loops
-ftree-vectorize -o test13.S
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/esat/olympia/install/lib/gcc/i686-pc-linux-gnu/4.1.0/../../../../i686-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
/users/visics/sderoeck/projects/clean/CaveIn/Whistler
/esat/olympia/install/lib/gcc/i686-pc-linux-gnu/4.1.0/../../../../include/c++/4.1.0
/esat/olympia/install/lib/gcc/i686-pc-linux-gnu/4.1.0/../../../../include/c++/4.1.0/i686-pc-linux-gnu
/esat/olympia/install/lib/gcc/i686-pc-linux-gnu/4.1.0/../../../../include/c++/4.1.0/backward
/esat/olympia/install/include
/esat/olympia/install/lib/gcc/i686-pc-linux-gnu/4.1.0/include
/usr/include
End of search list.
GNU C++ version 4.1.0 20050523 (experimental) (i686-pc-linux-gnu)
compiled by GNU C version 4.1.0 20050523 (experimental).
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 99f1919b6616caa4cacd62f3245b1e14
test13.cpp: In function 'void add(matrix&, matrix&, matrix&)':
test13.cpp:14: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: ICE: -ftree-vectorize, segfault
Product: gcc
Version: 4.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: stefaandr at hotmail dot com
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21734
