patch to fix PR59915

Vladimir Makarov vmakarov@redhat.com
Thu Jan 23 20:09:00 GMT 2014


  The following patch fixes

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59915

  The patch was successfully bootstrapped and tested on x86/x86-64 and
ppc64 (with -mlra).

  Committed as rev. 207007.

2014-01-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR regression/59915
        * lra-constraints.c (simplify_operand_subreg): Spill pseudo if
        there is a danger of looping.


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