[Bug rtl-optimization/57032] New: [4.9 Regression]: internal compiler error: Max. number of generated reload insns per insn is achieved (90)

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57032

             Bug #: 57032
           Summary: [4.9 Regression]: internal compiler error: Max. number
                    of generated reload insns per insn is achieved (90)
    Classification: Unclassified
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Keywords: ra
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ubizjak@gmail.com
                CC: vmakarov@gcc.gnu.org
            Target: alpha-linux-gnu


Created attachment 29914
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29914
Preprocessed source

Attached preprocessed source fails to compile for alpha-linux-gnu target. The
failure can be reproduced on a cross from x86_64-pc-linux-gnu, configured with:

../gcc-svn/trunk/configure --target=alpha-linux-gnu --with-long-double-128

~/gcc-build-alpha/gcc/xgcc -B ~/gcc-build-alpha/gcc -O2 libgcc2.i 
../../../gcc-svn/trunk/libgcc/libgcc2.c: In function ‘__fixunssfti’:
../../../gcc-svn/trunk/libgcc/libgcc2.c:1382:1: internal compiler error: Max.
number of generated reload insns per insn is achieved (90)

0x7aa777 lra_constraints(bool)
        ../../gcc-svn/trunk/gcc/lra-constraints.c:3538
0x79ce9c lra(_IO_FILE*)
        ../../gcc-svn/trunk/gcc/lra.c:2268
0x7645c0 do_reload
        ../../gcc-svn/trunk/gcc/ira.c:4619
0x7645c0 rest_of_handle_reload
        ../../gcc-svn/trunk/gcc/ira.c:4731
Please submit a full bug report,
with preprocessed source if appropriate.