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

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