http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60697
Bug ID: 60697 Summary: [aarch64] LRA ICE (Segfault) while building 435.gromacs Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: ktkachov at gcc dot gnu.org Created attachment 32474 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32474&action=edit Reduced testcase AArch64 compiler ICEs when building SPEC2k6. besttry.c:393:1: internal compiler error: Segmentation fault } ^ 0x9d311f crash_signal $TOP/gcc/gcc/toplev.c:337 0x8c73af base_plus_disp_to_reg $TOP/gcc/gcc/lra-constraints.c:2630 0x8c9f80 process_address $TOP/gcc/gcc/lra-constraints.c:2942 0x8cd10c curr_insn_transform $TOP/gcc/gcc/lra-constraints.c:3230 0x8cfebc lra_constraints(bool) $TOP/gcc/gcc/lra-constraints.c:4175 0x8c0e23 lra(_IO_FILE*) $TOP/gcc/gcc/lra.c:2353 0x88215e do_reload $TOP/gcc/gcc/ira.c:5457 0x88215e rest_of_handle_reload $TOP/gcc/gcc/ira.c:5598 0x88215e execute $TOP/gcc/gcc/ira.c:5627 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <http://gcc.gnu.org/bugs.html> for instructions. Reduced testcase is attached. Fails with -O3 -mcpu=cortex-a53. Doesn't ICE with -O2