configure.ac (MPFR check): Bump minimum version to 2.3.0 and recommended version...
[gcc.git] / gcc / ChangeLog
index 675ae9458111f6414e0bdccd51099f31fa8eb593..8838c41448385e978926052413fb5cff5cb89917 100644 (file)
@@ -1,3 +1,206 @@
+2008-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * builtins.c: Remove MPFR_VERSION_NUM(2,3,0) conditionals.
+       * doc/install.texi: Bump recommended MPFR to 2.3.2.
+
+2008-10-12  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       PR middle-end/37808
+       * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make
+       sure that ref has valid bb.
+       
+2008-10-12  Richard Henderson  <rth@redhat.com>
+
+       PR middle-end/37447
+       * Makefile.in (reload1.o): Depend on EMIT_RTL_H.
+       * alias.c (value_addr_p, stack_addr_p): Remove.
+       (nonoverlapping_memrefs_p): Remove IRA special case.
+       * emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New.
+       * emit-rtl.h (set_mem_attrs_for_spill): Declare.
+       * reload1.c (alter_reg): Use it.
+
+2008-10-12  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/driver-i386.c (detect_caches_cpuid2): Use array
+       of registers instead of eax, ebx, ecx and edx.  Use for loop
+       and check register for non-zero value before the call
+       to decode_caches_intel.
+
+2008-10-11  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       PR rtl-optimization/37448
+       * df.h: (df_ref_class): New enum.
+       (DF_REF_TYPE_NAMES, df_ref_extract): Removed.
+       (struct df_ref): Replaced with union df_ref_d.
+       (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
+       New members of df_ref_d union.
+       (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
+       DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
+       DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
+       DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
+       DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
+       DF_REF_EXTRACT_MODE): Replaced definition to access union
+       df_ref_d.
+               (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
+       (df_scan_bb_info, df_bb_regno_first_def_find,
+       df_bb_regno_last_def_find, df_find_def, df_find_use,
+       df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
+       debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
+       df_ref_create, df_ref_remove, df_compute_accessed_bytes,
+       df_get_artificial_defs, df_get_artificial_uses, union_defs)
+       Replaced struct df_ref * with df_ref.
+       * df-scan.c (df_collection_rec, df_null_ref_rec,
+       df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
+       df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
+       df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
+       df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
+       df_reorganize_refs_by_reg_by_reg,
+       df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
+       df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
+       df_sort_and_compress_refs, df_install_ref, df_install_refs,
+       df_ref_record, df_get_conditional_uses, df_get_call_refs,
+       df_bb_refs_record, df_exit_block_uses_collect,
+       df_record_exit_block_uses, df_reg_chain_mark,
+       df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
+       df_ref * with df_ref.
+       (df_ref_record, df_uses_record, df_ref_create_structure): Added
+       df_ref_class parameter.
+       (df_scan_problem_data): Added new pools for different types of
+       refs.
+       (df_scan_free_internal, df_scan_alloc, df_free_ref,
+       df_ref_create_structure): Processed new ref pools.
+       (df_scan_start_dump): Added counts of refs and insns.
+       (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
+       df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
+       df_entry_block_defs_collect, df_exit_block_uses_collect): Added
+       code to pass df_ref_class down to ref creation functions.
+       (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
+       df_reg_chain_mark): Use macros to hide references to df_refs.
+       (df_ref_chain_change_bb): Removed.
+       (df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
+       (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
+       Enhanced to understand df_ref union structure.
+       * fwprop.c (local_ref_killed_between_p, use_killed_between,
+       all_uses_available_at, update_df, try_fwprop_subst,
+       forward_propagate_subreg, forward_propagate_and_simplify,
+       forward_propagate_into, fwprop, fwprop_addr): Replaced struct
+       df_ref * with df_ref.
+       (use_killed_between, all_uses_available_at): Use macros to hide
+       references to df_refs.
+       * regstat.c (regstat_bb_compute_ri,
+       regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
+       df_ref.
+       * see.c (see_handle_relevant_defs, see_handle_relevant_uses,
+       see_handle_relevant_refs, see_analyze_one_def,
+       see_update_relevancy, see_propagate_extensions_to_uses): Replaced
+       struct df_ref * with df_ref.
+       * ra-conflict.c (record_one_conflict, clear_reg_in_live,
+       global_conflicts): Replaced struct df_ref * with df_ref.
+       * ddg.c (create_ddg_dep_from_intra_loop_link,
+       add_cross_iteration_register_deps, build_inter_loop_deps):
+       Replaced struct df_ref * with df_ref.
+       (create_ddg_dep_from_intra_loop_link,
+       add_cross_iteration_register_deps): Use macros to hide references
+       to df_refs.
+       * auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
+       df_ref * with df_ref.
+       * df-core.c (df_bb_regno_first_def_find,
+       df_bb_regno_last_def_find, df_find_def, df_find_use,
+       df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
+       debug_df_ref): Replaced struct df_ref * with df_ref.
+       (df_mws_dump, df_ref_debug): Use macros to hide references to df_refs.
+       * cse.c (cse_extended_basic_block): Replaced struct df_ref * with
+       df_ref.
+       * web.c (union_defs, entry_register, replace_ref, web_main):
+       Replaced struct df_ref * with df_ref.
+       (union_defs, replace_ref): Use macros to hide references to df_refs.
+       * global.c (compute_regs_asm_clobbered, build_insn_chain):
+       Replaced struct df_ref * with df_ref.
+       * ifcvt.c (dead_or_predicable): Replaced struct df_ref * with df_ref.
+       * sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
+       Replaced struct df_ref * with df_ref.
+       * ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
+       mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
+       with df_ref.
+       * local-alloc.c (block_alloc): Replaced struct df_ref * with df_ref.
+       * df-byte-scan.c (df_compute_accessed_bytes_extract,
+       df_compute_accessed_bytes_strict_low_part,
+       df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
+       Replaced struct df_ref * with df_ref.
+       (df_compute_accessed_bytes): Use macros to hide references to df_refs.
+       * init-regs.c (initialize_uninitialized_regs): Replaced struct
+       df_ref * with df_ref.
+       * loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
+       check_dependency, check_dependencies, record_uses): Replaced
+       struct df_ref * with df_ref.
+       (invariant_for_use, check_dependency): Use macros to hide
+       references to df_refs.
+       * loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
+       get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
+       iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
+       (iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
+       references to df_refs.
+       * ira.c (compute_regs_asm_clobbered): Replaced struct df_ref *
+       with df_ref.
+       * combine.c (create_log_links): Replaced struct df_ref * with df_ref.
+       * df-problems.c (df_rd_bb_local_compute_process_def,
+       df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
+       df_chain_unlink_1, df_chain_unlink, df_chain_copy,
+       df_chain_remove_problem, df_chain_create_bb_process_use,
+       df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
+       df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
+       df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
+       df_byte_lr_simulate_artificial_refs_at_top,
+       df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
+       df_note_bb_compute, df_note_add_problem, df_simulate_defs,
+       df_simulate_uses, df_simulate_artificial_refs_at_end,
+       df_simulate_artificial_refs_at_top): Replaced struct df_ref * with
+       df_ref.
+       (df_chain_dump): Use macros to hide references to df_refs.
+       * config/mips/mips.c (r10k_simplify_address): Replaced struct
+       df_ref * with df_ref.
+       * dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
+       mark_artificial_uses, mark_reg_dependencies,
+       byte_dce_process_block): Replaced struct df_ref * with df_ref.
+
+2008-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in
+       head comment.
+       (array_ref_element_size): Likewise.
+       (array_ref_low_bound): Likewise.
+       (array_ref_up_bound): Likewise.
+       * expr.c (contains_packed_reference): Likewise.
+       (array_ref_element_size): Likewise.
+       (array_ref_low_bound): Likewise.
+       (array_ref_up_bound): Likewise.
+       * tree-ssa-loop-ivopts.c (idx_contains_abnormal_ssa_name_p): Deal
+       with ARRAY_RANGE_REF.
+       (idx_find_step): Likewise.
+       (idx_record_use): Likewise.
+       (strip_offset_1): Likewise.
+       (idx_remove_ssa_names): Likewise.
+
+2008-10-11  Uros Bizjak  <ubizjak@gmail.com>
+           Andi Kleen  <ak@linux.intel.com>
+
+       * config/i386/cpuid.h (__cpuid_count): New defines.
+       * config/i386/driver-i386.c (struct cache_desc): New structure.
+       (describe_cache): Use struct cache_desc to pass cache descriptions.
+       (detect_l2_cache): Ditto. Rename from decode_l2_cache.
+       (detect_caches_amd): Use struct cache_desc to describe caches.
+       (decode_caches_intel): Use struct cache_desc to pass cache
+       descriptions.  Update descriptions to match latest (rev -032,
+       December 2007) CPUID documentation.  Do not check valid bit here.
+       Check for Xeon MP value 0x49 problems.
+       (detect_caches_cpuid2): New function, split from detect_caches_intel.
+       Check valid bit before calling decode_caches_intel.  Detect number
+       of times to repeat CPUID instruction.
+       (detect_caches_cpuid4): New function.
+       (detect_caches_intel): Depending on max_level, call
+       detect_caches_cpuid2 or detect_caches_cpuid4.  Call detect_l2_cache
+       only when other methods fail to provide valid L2 cache description.
+
 2008-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
        PR middle-end/37608
 
 2008-10-11  David Edelsohn  <edelsohn@gnu.org>
 
-        * config/rs6000/rs6000.md (aux_truncdfsf2): Remove TARGET_SINGLE_FLOAT.
-        (addsf3, subsf3, mulsf3 ! TARGET_POWERPC): Remove TARGET_SINGLE_FLOAT
-        and fp_type.
-        (divdf3): Reformat long line.
+       * config/rs6000/rs6000.md (aux_truncdfsf2): Remove TARGET_SINGLE_FLOAT.
+       (addsf3, subsf3, mulsf3 ! TARGET_POWERPC): Remove TARGET_SINGLE_FLOAT
+       and fp_type.
+       (divdf3): Reformat long line.
 
 2008-10-11  Michael J. Eager  <eager@eagercon.com>
 
        (rs6000_handle_option): Process -mfpu options.
        * config/rs6000/rs6000.h: (TARGET_XILINX_FPU): New.
        (enum fpu_type_t): New.
-       * config/rs6000/rs6000.md (attr fp_type): New.
-       Include xfpu.md.
+       * config/rs6000/rs6000.md (attr fp_type): New.  Include xfpu.md.
        (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3, trunctfdf2): Set
        fp_type.
        (floatsisf2): Remove TARGET_SINGLE_FPU condition.