2013-05-30 Vladimir Makarov <vmakarov@redhat.com>
* target.def (register_usage_leveling_p): New hook.
* targhooks.c (default_register_usage_leveling_p): New.
* targhooks.h (default_register_usage_leveling_p): New prototype.
* lra-assigns.c (register_usage_leveling_p): Use the hook.
* doc/tm.texi.in (TARGET_REGISTER_USAGE_LEVELING_P): New hook.
* doc/tm.texi: Update.
* config/i386/i386.c (TARGET_REGISTER_USAGE_LEVELING_P): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199459
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