http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49628
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |UNCONFIRMED Target Milestone|4.7.0 |--- Ever Confirmed|1 |0 --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-07-04 14:01:54 UTC --- Program received signal SIGFPE, Arithmetic exception. 0x000000000110149c in vector_alignment_reachable_p (dr=0x1960370) at ../../src/gcc/tree-vect-data-refs.c:1114 1114 if ((nelements - mis_in_elements) % GROUP_SIZE (stmt_info)) Missing separate debuginfos, use: debuginfo-install glibc-2.14-3.4.f15.x86_64 gmp-4.3.2-3.fc15.x86_64 libgcc-4.6.0-9.fc15.x86_64 libmpc-0.8.3-0.3.svn855.fc15.x86_64 libstdc++-4.6.0-9.fc15.x86_64 mpfr-3.0.0-4.fc15.x86_64 zlib-1.2.5-3.fc15.x86_64 (gdb) bt #0 0x000000000110149c in vector_alignment_reachable_p (dr=0x1960370) at ../../src/gcc/tree-vect-data-refs.c:1114 #1 0x0000000001101e7b in vect_enhance_data_refs_alignment ( loop_vinfo=0x1a3e750) at ../../src/gcc/tree-vect-data-refs.c:1505 #2 0x0000000000c373e7 in vect_analyze_loop_2 (loop_vinfo=0x1a3e750) at ../../src/gcc/tree-vect-loop.c:1554 #3 0x0000000000c375de in vect_analyze_loop (loop=0x7fffefe66550) at ../../src/gcc/tree-vect-loop.c:1627 #4 0x0000000000c53fae in vectorize_loops () at ../../src/gcc/tree-vectorizer.c:199 #5 0x0000000000b7dc13 in tree_vectorize () at ../../src/gcc/tree-ssa-loop.c:218 #6 0x00000000008f9f39 in execute_one_pass (pass=0x1737320) at ../../src/gcc/passes.c:2061 #7 0x00000000008fa11f in execute_pass_list (pass=0x1737320) at ../../src/gcc/passes.c:2116 #8 0x00000000008fa140 in execute_pass_list (pass=0x1737140) at ../../src/gcc/passes.c:2117 #9 0x00000000008fa140 in execute_pass_list (pass=0x1736840) at ../../src/gcc/passes.c:2117 #10 0x0000000000a92c3c in tree_rest_of_compilation (fndecl=0x7ffff0416100) at ../../src/gcc/tree-optimize.c:416 #11 0x000000000057a047 in cgraph_expand_function (node=0x7ffff030b360) ---Type <return> to continue, or q <return> to quit--- at ../../src/gcc/cgraphunit.c:1792 #12 0x000000000057a206 in cgraph_expand_all_functions () at ../../src/gcc/cgraphunit.c:1851 #13 0x000000000057a902 in cgraph_optimize () at ../../src/gcc/cgraphunit.c:2121 #14 0x00000000004af417 in lto_main () at ../../src/gcc/lto/lto.c:2800 #15 0x00000000009f006e in compile_file () at ../../src/gcc/toplev.c:548 #16 0x00000000009f22b3 in do_compile () at ../../src/gcc/toplev.c:1895 #17 0x00000000009f2419 in toplev_main (argc=20, argv=0x7fffffffe1d8) at ../../src/gcc/toplev.c:1967 #18 0x00000000004b21f0 in main (argc=20, argv=0x7fffffffe1d8) at ../../src/gcc/main.c:36 (gdb) p stmt_info->size $3 = 0 (gdb)