http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56738
Bug #: 56738 Summary: ICE in c-c++-common/torture/vshuf-v4di.c Classification: Unclassified Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: regression AssignedTo: unassig...@gcc.gnu.org ReportedBy: ktkac...@gcc.gnu.org CC: stevenb....@gmail.com Target: arm-none-eabi Created attachment 29729 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29729 Preprocessed file Testcase ICEs on arm-none-eabi when compiled with -O1 (ICEs also with -O2 and -O3) In file included from vshuf-v4di.c:19:0: vshuf-main.inc: In function 'main': vshuf-main.inc:26:1: internal compiler error: in df_insn_delete, at df-scan.c:1162 } ^ 0x634b9c df_insn_delete(rtx_def*) $SOURCE/gcc/gcc/df-scan.c:1162 0x68b98a remove_insn(rtx_def*) $SOURCE/gcc/gcc/emit-rtl.c:4036 0x5f83be delete_insn(rtx_def*) $SOURCE/gcc/gcc/cfgrtl.c:167 0xd335b6 resolve_simple_move $SOURCE/gcc/gcc/lower-subreg.c:1072 0xd338b3 resolve_simple_move $SOURCE/gcc/gcc/lower-subreg.c:923 0xd34a13 decompose_multiword_subregs $SOURCE/gcc/gcc/lower-subreg.c:1563 0xd3528d rest_of_handle_lower_subreg2 $SOURCE/gcc/gcc/lower-subreg.c:1682 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. Bisection shows it started with r196977 Cross compiler configured with: Target: arm-none-eabi Configured with: $SOURCE/gcc/configure --target=arm-none-eabi --prefix=$SOURCE/build/install --with-gmp=$SOURCE/build/host-tools --with-mpfr=$SOURCE/build/host-tools --with-mpc=$SOURCE/build/host-tools --with-pkgversion=unknown --disable-shared --disable-nls --disable-threads --disable-tls --enable-checking=yes --enable-languages=c --with-newlib --with-fpu=neon --with-float=hard --with-arch=armv7-a Thread model: single gcc version 4.9.0 20130322 (experimental) (unknown)