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* config/i386/i386.c (core2i7_first_cycle_multipass_filter_ready_try,) (core2i7_first_cycle_multipass_begin,) (core2i7_first_cycle_multipass_issue,) (core2i7_first_cycle_multipass_backtrack): Update signature. * config/ia64/ia64.c (ia64_first_cycle_multipass_dfa_lookahead_guard_spec): Remove. (ia64_first_cycle_multipass_dfa_lookahead_guard): Update signature. (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC): Remove hook definition. (ia64_first_cycle_multipass_dfa_lookahead_guard): Merge logic from ia64_first_cycle_multipass_dfa_lookahead_guard_spec. Update return values. * config/rs6000/rs6000.c (rs6000_use_sched_lookahead_guard): Update return values. * doc/tm.texi: Regenerate. * doc/tm.texi.in (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC): Remove. * haifa-sched.c (ready_try): Make signed to allow negative values. (rebug_ready_list_1): Update. (choose_ready): Simplify. (sched_extend_ready_list): Update. From-SVN: r210747
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