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2008-08-22 Andrey Belevantsev <abel@ispras.ru> Dmitry Melnik <dm@ispras.ru> Dmitry Zhurikhin <zhur@ispras.ru> Alexander Monakov <amonakov@ispras.ru> Maxim Kuvyrkov <maxim@codesourcery.com>
Mark that a stop bit should be before current insn if there was a cycle advance. Update current_cycle and mem_ops_in_group. (ia64_h_i_d_extended): Change use of current_sched_info to sched_deps_info. Reallocate stops_p by larger chunks. (struct _ia64_sched_context): New structure. (ia64_sched_context_t): New typedef. (ia64_alloc_sched_context, ia64_init_sched_context, ia64_set_sched_context, ia64_clear_sched_context, ia64_free_sched_context): New static functions. (gen_func_t): New typedef. (get_spec_load_gen_function): New function. (SPEC_GEN_EXTEND_OFFSET): Declare. (ia64_set_sched_flags): Check common_sched_info instead of *flags. (get_mode_no_for_insn): Change the condition that prevents use of special hardware registers so it can now handle pseudos. (get_spec_unspec_code): New function. (ia64_skip_rtx_p, get_insn_spec_code, ia64_get_insn_spec_ds, ia64_get_insn_checked_ds, ia64_gen_spec_load): New static functions. (ia64_speculate_insn, ia64_needs_block_p): Support branchy checks during selective scheduling. (ia64_speculate_insn): Use ds_get_speculation_types when determining whether we need to change the pattern. (SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): Declare. (ia64_spec_check_src_p): Support new speculation/check codes. (struct bundle_state): New field. (issue_nops_and_insn): Initialize it. (insert_bundle_state): Minimize mid-bundle stop bits. (important_for_bundling_p): New function. (get_next_important_insn): Use important_for_bundling_p. (bundling): When shifting TImode from unimportant insns, ignore also group barriers. Assert that best state is found before the backward bundling pass. Print number of mid-bundle stop bits. Minimize mid-bundle stop bits. Check correct calculation of mid-bundle stop bits. (ia64_sched_finish, final_emit_insn_group_barriers): Fix formatting. (final_emit_insn_group_barriers): Emit stop bits before insns starting a new cycle. (sel2_run): New variable. (ia64_reorg): When flag_selective_scheduling is set, run the selective scheduling pass instead of schedule_ebbs. Adjust for flag_selective_scheduling2. (ia64_optimization_options): Declare new parameter. * config/ia64/ia64.md (speculable1, speculable2): New attributes. (UNSPEC_LDS_A): New UNSPEC. (movqi_internal, movhi_internal, movsi_internal, movdi_internal, movti_internal, movsf_internal, movdf_internal, movxf_internal): Make visible. Add speculable* attributes. (output_c_nc): New mode attribute. (mov<mode>_speculative_a, zero_extend<mode>di2_speculative_a, mov<mode>_nc, zero_extend<mode>di2_nc, advanced_load_check_nc_<mode>): New insns. (zero_extend*): Add speculable* attributes.
* config/ia64/itanium2.md: Remove strange bypass. * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h.
* config/rs6000/rs6000.c (rs6000_init_sched_context, rs6000_alloc_sched_context, rs6000_set_sched_context, rs6000_free_sched_context): New functions. (struct _rs6000_sched_context): New. (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective scheduling. (rs6000_sched_finish): Do not run for selective scheduling.
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