-ftree-vectorize bootstrap segfaults on x86_64 in: 0x000000000098ecf9 in vect_is_simple_use (operand=0x2aaab01533c0, loop_vinfo=0x156f0b0, def_stmt=0x7fff4264e488, def=0x7fff4264e490, dt=0x7fff4264e488) at ../../gcc-svn/trunk/gcc/tree-vectorizer.c:1729 1729 switch (TREE_CODE (*def_stmt)) (gdb) bt #0 0x000000000098ecf9 in vect_is_simple_use (operand=0x2aaab01533c0, loop_vinfo=0x156f0b0, def_stmt=0x7fff4264e488, def=0x7fff4264e490, dt=0x7fff4264e488) at ../../gcc-svn/trunk/gcc/tree-vectorizer.c:1729 #1 0x0000000000cf8b95 in vectorizable_call (stmt=0x2aaaaee70ed0, bsi=0x0, vec_stmt=0x0) at ../../gcc-svn/trunk/gcc/tree-vect-transform.c:1847 #2 0x0000000000ce602d in vect_analyze_operations (loop_vinfo=0x156f0b0) at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:376 #3 0x0000000000ced78d in vect_analyze_loop (loop=0x156f480) at ../../gcc-svn/trunk/gcc/tree-vect-analyze.c:2727 #4 0x0000000000990d90 in vectorize_loops () at ../../gcc-svn/trunk/gcc/tree-vectorizer.c:2217 #5 0x0000000000919053 in tree_vectorize () at ../../gcc-svn/trunk/gcc/tree-ssa-loop.c:183
This failure happens when compiling i386.c, in function classify_argument. To reproduce this failure, run make with BOOT_CFLAGS="-O2 -ftree-vectorize". -- Summary: Bootstrap fails on x86_64 for -ftree-vectorize Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: build Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: ubizjak at gmail dot com GCC build triplet: x86_64-pc-linux-gnu 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=30938