[Bug rtl-optimization/55464] lra chooses alternatives with empty register classes

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55464



--- Comment #3 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 
2012-11-25 15:21:15 UTC ---

Created attachment 28772

  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28772

testcase



options used were:

-fpreprocessed conftest.i -quiet -dumpbase conftest.c -mcpu=ARC600 -auxbase

conftest -version -fexceptions -o conftest.s