http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55829
Bug #: 55829 Summary: [4.8 Regression] ICE: in curr_insn_transform, at lra-constraints.c:3069 with -msse3 Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Created attachment 29063 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29063 reduced testcase Compiler output: $ gcc -O2 -msse3 -fno-expensive-optimizations testcase.c testcase.c: In function 'sse3_test': testcase.c:31:1: internal compiler error: in curr_insn_transform, at lra-constraints.c:3069 } ^ 0x8f26fb curr_insn_transform /mnt/svn/gcc-trunk/gcc/lra-constraints.c:3069 0x8f3f4c lra_constraints(bool) /mnt/svn/gcc-trunk/gcc/lra-constraints.c:3504 0x8e36ff lra(_IO_FILE*) /mnt/svn/gcc-trunk/gcc/lra.c:2280 0x89a538 do_reload /mnt/svn/gcc-trunk/gcc/ira.c:4624 0x89a538 rest_of_handle_reload /mnt/svn/gcc-trunk/gcc/ira.c:4737 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. $ /mnt/svn/gcc-trunk/binary-latest/bin/gcc -v Using built-in specs. COLLECT_GCC=/mnt/svn/gcc-trunk/binary-latest/bin/gcc COLLECT_LTO_WRAPPER=/mnt/svn/gcc-trunk/binary-194730-lto-fortran-checking-yes-rtl-df/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /mnt/svn/gcc-trunk//configure --enable-checking=yes,rtl,df --enable-languages=c,c++,lto,fortran --prefix=/mnt/svn/gcc-trunk/binary-194730-lto-fortran-checking-yes-rtl-df/ --without-cloog --without-ppl Thread model: posix gcc version 4.8.0 20121227 (experimental) (GCC) Tested revisions: r194730 - crash