* target.def (class_likely_spilled_p): New hook.
* doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Document.
* doc/tm.texi: Regenerate.
* targhooks.c (default_class_likely_spilled_p): New function.
* targhooks.h (default_class_likely_spilled_p): Declare.
* regs.h (CLASS_LIKELY_SPILLED_P): Remove.
* combine.c: (cant_combine_insn_p, likely_spilled_retval_p): Use
TARGET_CLASS_LIKELY_SPILLED_P target hook. Use HARD_REGISTER_P macro.
Use fixed_reg_set instead of fixed_regs.
* cse.c (hash_rtx_cb): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
* calls.c (avoid_likely_spilled_reg): Ditto.
* ira-conflicts.c: (ira_build_conflicts): Ditto.
* ira.c (update_equiv_regs): Ditto.
* mode-switching.c (create_pre_exit): Ditto.
* regmove.c (find_matches): Ditto.
(regclass_compatible_p): Use TARGET_CLASS_LIKELY_SPILLED_P target
hook.
* reload.c (SMALL_REGISTER_CLASS_P): Remove macro.
(small_register_class_p): New inline function.
(push_secondary_reload, find_reusable_reload, find_reloads): Use
small_register_class_p instead of SMALL_REGISTER_CLASS_P.
* config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Remove.
* config/i386/i386.c (ix86_class_likely_spilled_p): New.
(TARGET_CLASS_LIKELY_SPILLED_P): Define.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163779
138bc75d-0d04-0410-961f-
82ee72b054a4