2006-01-11 Kazu Hirata * config/sh/predicates.md (sh_rep_vec): Add parallel to match_code. 2006-01-11 Ben Elliston * rtlanal.c (find_reg_note): Assert insn is not null. 2005-01-11 Kenneth Zadeck * df-scan.c (df_hard_reg_init): Move declaration of i outside ifdef. 2006-01-11 Jeff Law * tree-ssa-threadupdate.c (threaded_edges): New VEC to hold edge pairs. (mark_threaded_blocks, register_jump_thread): New functions. (thread_through_all_blocks): Remove unwanted argument. No longer rely on e->aux to communicate thread target info. Call mark_threaded_blocks. Release the threaded_blocks bitmap and threaded_edges vector when complete. * tree-ssa-dom.c (struct edge_info): Remove redirection_target field. (threaded_blocks): Remove. (tree_ssa_dominator_optimize): Remove initialization and finalization of threaded_blocks. Simplify call to thread_through_all_blocks. (thread_across_edge): Call register_jump_thread rather than storing thread information into e->aux. (free_all_edge_infos): Simplify now that e->aux is no longer used to communicate with thread_through_all_blocks. * tree-flow.h (thread_through_all_blocks): Update prototype. (register_jump_thread): Prototype. 2006-01-11 Kazu Hirata * df-core.c (df_compact_blocks, df_bb_replace): Use SET_BASIC_BLOCK instead of BASIC_BLOCK. 2006-01-11 Richard Guenther PR tree-optimization/25734 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not stop propagation after successful propagation to the LHS. 2006-01-11 Kazu Hirata * basic-block.h (control_flow_graph): Change the type of x_basic_block_info to VEC(basic_block,gc) *. (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of basic_block_info. (SET_BASIC_BLOCK): New. * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK instead of BASIC_BLOCK when assigning to BASIC_BLOCK. * cfgbuild.c (find_basic_blocks): Likewise. * cfglayout.c (fixup_reorder_chain): Likewise. * cfgrtl.c (create_basic_block_structure, rtl_create_basic_block): Likewise. * ifcvt.c (find_if_case_1): Likewise. * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb): Likewise. 2005-01-11 Kenneth Zadeck * df-scan.c (df_hard_reg_init) Moved declaration of i outside ifdef. 2005-01-11 Kenneth Zadeck * Makefile.in: Removed rotted odf.c entry. 2006-01-11 Hans-Peter Nilsson PR target/25706 * config/cris/cris.md ("*extopqihi_side", "*extopsi_side") ("*extopsi_swap_side_biap", "*extopsi_swap_side", ("*extopqihi", "*extopsi", "*extopsi_swap"): Use %E output pattern modifier, not %e. * config/cris/cris.c (cris_op_str): Update comment about pattern modifier. (cris_print_operand) : Clear cris_output_insn_is_bound before falling through into... : Redefined from old 'e' case. 2006-01-11 Jan Hubicka PR target/25042 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128 2006-01-11 Jan Hubicka * i386.h (TARGET_DECOMPOSE_LEA): Kill. * i386.c (x86_decompose_lea): Kill. (ix86_rtx_costs): Kill. 2006-01-11 Jan Hubicka * cgraph.c (cgraph_insert_node_to_hashtable): New function. * cgraph.h (cgraph_node): Add inline_decl. (cgraph_insert_node_to_hashtable): Declare. (save_inline_function_body): Declare. * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline clones. (cgraph_preserve_function_body_p): Do not presrve when dump is enabled. (cgraph_function_versioning): Update call of tree_function_versioning. (save_inline_function_body): New function. * function.h (struct function): Kill saved_eh, saved_cfg, saved_args, saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list. * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones. (cgraph_default_inline_p): Likewise. (cgraph_decide_inlining_incrementally): Likewise. * tree-inline.c (inline_data): Kill saving_p add update_clones_p. (copy_bb): Kill saving; do updating of clones. (copy_cfg_body): Kill saving. (initialize_inlined-parameters): Likewise. (expand_call_inline): Likewise. (save_body): Kill. (tree_function_versioning): New parameter "update_clones". (inlining_p): Kill saving. * tree-inline.h (tree_function_versioning): Update prototype. * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of saving. 2006-01-11 Ian Lance Taylor * combine.c (struct undo): Remove is_int. Enumify types of undos. Allow undoing set of machine mode. (do_SUBST): Use enums instead of is_int. (do_SUBST_MODE): New function. (SUBST_MODE): New macro. (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new reg and trying to replace reg_regno_rtx with a new register. (undo_all): Use new enums, handle undoing a PUT_MODE change. (simplify_set): Use SUBST_MODE. (distribute_notes): Remove code that tried to update reg notes for regno_reg_rtx changes. 2006-01-11 Paolo Bonzini PR tree-optimization/23109 PR tree-optimization/23948 PR tree-optimization/24123 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies. * tree-cfg.c (single_noncomplex_succ): New. * tree-flow.h (single_noncomplex_succ): Declare it. * tree-ssa-math-opts.c (enum place_reciprocal): Remove. * tree-ssa-math-opts.c (enum place_reciprocal): Remove. (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit, insert_bb, register_division_in, insert_reciprocals, replace_reciprocal, free_bb): New. (execute_cse_reciprocals_1): Rewritten. (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1. Do not commit any edge insertion. Always compute dominators and create the allocation pool. * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New. * target.h (struct gcc_target): Add min_divistions_for_recip_mul. * targhooks.c (default_min_divistions_for_recip_mul): New. * targhooks.h (default_min_divistions_for_recip_mul): New prototype. * passes.c (init_optimization_passes): Run recip after tree loop optimizations. * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL. 2005-01-11 Danny Berlin Kenneth Zadeck * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN, DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN, DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS, DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO, DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT, DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN, DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO, DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG, DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P, DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P, DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET, DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET, DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF, DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET, DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC): New macros. (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function, df_free_bb_function, df_local_compute_function, df_init_function, df_dataflow_function, df_confluence_function_0, df_confluence_function_n, df_transfer_function, df_finalizer_function, df_free_function, df_dump_problem_function, df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link, df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info, df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info, df_urec_bb_info, ) New types. (df_invalidated_by_call, df_all_hard_regs, df_state) New public variables. (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze, df_analyze_simple_change_some_blocks, df_analyze_simple_change_one_block, df_compact_blocks, df_bb_replace, df_bb_regno_last_use_find, df_bb_regno_first_def_find, df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def, df_find_use, df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump, df_regs_chain_dump, df_insn_debug, df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno, debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref, debug_df_chain, df_get_dependent_problem, df_chain_create, df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info, df_chain_dump, df_print_bb_index, df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem, df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info, df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem, df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem, df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem, df_rescan_blocks, df_ref_create, df_get_artificial_defs, df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink, df_ref_remove, df_insn_refs_delete, df_refs_delete, df_reorganize_refs, df_set_state, df_hard_reg_init, df_read_modify_subreg_p) New public functions. * df-core.c: The core dataflow solver and glue routines for rtl dataflow. (df_init, df_add_problem, df_set_blocks, df_finish, df_hybrid_search_forward, df_hybrid_search_backward, df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem, df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace, df_bb_regno_last_use_find, df_bb_regno_first_def_find, df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def, df_reg_defined, df_find_use, df_reg_used, df_dump, df_refs_chain_dump, df_regs_chain_dump, df_insn_debug, df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno, debug_df_useno, reset_df_after_reload): New functions. * df-scan.c: The scanning fuctions, once in df.c, completely rewritten so that they now fully model the functionality of register usage at the backend. (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info, df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump, df_scan_add_problem, df_grow_reg_info, df_grow_ref_info, df_grow_insn_info, df_rescan_blocks, df_ref_create, df_get_artificial_defs, df_get_artificial_uses, df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink, df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete, df_refs_delete, df_reorganize_refs, df_set_state, df_ref_create_structure, df_ref_record, df_read_modify_subreg_p, df_def_record_1, df_defs_record, df_uses_record, df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record, df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg, df_record_exit_block_uses, df_hard_reg_init): New functions. * df-problems.c: Seven concrete dataflow problems that use the scanning in df-scan.c and are solved by the engine in df-core.c. (df_get_dependent_problem, df_chain_create, df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info, df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen, df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info, df_ru_free_bb_info, df_ru_alloc, df_ru_bb_local_compute_process_def, df_ru_bb_local_compute_process_use, df_ru_bb_local_compute, df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n, df_ru_transfer_function, df_ru_free, df_ru_dump, df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info, df_rd_free_bb_info, df_rd_alloc, df_rd_bb_local_compute_process_def, df_rd_bb_local_compute, df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n, df_rd_transfer_function, df_rd_free, df_rd_dump, df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info, df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_confluence_0, df_lr_confluence_n, df_lr_transfer_function, df_lr_free, df_lr_dump, df_lr_add_problem, df_ur_get_bb_info, df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc, df_ur_bb_local_compute, df_ur_local_compute, df_ur_init, df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function, df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info, df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc, df_urec_mark_reg_change, df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber, df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute, df_urec_local_compute, df_urec_init, df_urec_local_finalize, df_urec_confluence_n, df_urec_transfer_function, df_urec_free, df_urec_dump, df_urec_add_problem, df_chain_alloc, df_chain_create_bb_process_use, df_chain_create_bb, df_chain_finalize, df_chain_free, df_chains_dump, df_chain_add_problem, df_ri_alloc, df_ri_bb_compute, df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem, df_reg_lifetime): New functions. * df.c: Deleted file. * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code consistent with new df api. * modulo-sched.c (sms_schedule, rest_of_handle_sms, rest_of_handle_sms): Ditto. * web.c (unionfind_union, union_defs, entry_register, web_main): Ditto. * loop_invariant.c (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p, find_defs, check_dependencies, find_invariant_insn, find_invariants_to_move, move_invariant_reg, free_inv_motion_data, move_loop_invariants): Ditto. * Makefile.in (df.c, df-scan.c df-problems.c df-core.c): Update dependencies. (odf.c): Added defective entry that was deleted later in day. * sched-deps.c (sched_analyze_1): Ditto. 2006-01-11 Zdenek Dvorak * tree-ssa-operands.c (get_expr_operands): Record addressable variables directly. Do not call add_stmt_operands for CONST_DECLs and ARRAY_DECLs. (get_indirect_ref_operands): Remove handling of *(&a + offset) case. (add_stmt_operands): Handle only objects satisfying SSA_VAR_P. 2006-01-11 Ben Elliston * config/i386/i386.c (ix86_return_in_memory): Fix comment: this function returns true in the positive case. 2006-01-10 John David Anglin PR target/20754 * config/pa/pa.md: Create separate 32 and 64-bit move patterns for SI, DI, SF and DF modes. Add alternatives to copy between general and floating point registers to the 32-bit patterns. * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine. * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define. (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when generating 64-bit code. * config/pa/pa.c (output_move_double): Handle copies between general and floating registers. 2006-01-10 Stuart Hastings * config/i386/i386.md (set_got): Update. (set_got_labelled): New. (UNSPEC_LD_MPIC): New. (builtin_setjmp_receiver): Mach-O support. * config/i386/darwin.h (TARGET_ASM_FILE_END) Define. (GOT_SYMBOL_NAME): Define. (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New. (TARGET_DEEP_BRANCH_PREDICTION): Remove. * config/i386/i386.c (override_options): Revise for Darwin. (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O support. (darwin_x86_file_end): New. (output_set_got): Add label parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise. * config/i386/i386-protos.h (output_set_got): Likewise. * config/darwin.c (machopic_legitimize_pic_address): Update regs_ever_live[]. 2006-01-10 Kaz Kojima * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE when MODE isn't BLKmode. 2006-01-10 Eric Botcazou PR rtl-optimization/25367 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro. 2006-01-10 Hans-Peter Nilsson PR target/25718 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes for a negative bound. 2006-01-10 Richard Guenther * tree-ssa-structalias.c (get_constraint_for_component_ref): Never override with anything constraint. 2006-01-10 Jan Beulich * config/i386/i386.c (ix86_data_alignment): Don't force alignment to 256 bits when optimize_size. 2006-01-10 Jan Beulich * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include MASK_ALIGN_DOUBLE. * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option. * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr arguments. 2006-01-10 Ben Elliston * config/rs6000/predicates.md (easy_fp_constant): Discount decimal float modes. * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New. (TARGET_SCALAR_MODE_SUPPORTED_P): Define. (USE_FP_FOR_ARG): Reject decimal float modes. (function_arg_advance): Likewise. (output_toc): Handle emitting TDmode, DDmode and SDmode constants. (rs6000_handle_altivec_attribute): Do not permit decimal floating point types in AltiVec vectors. (rs6000_function_value): Use GP_ARG_RETURN for decimal floats. (rs6000_libcall_value): Likewise. 2006-01-09 Bob Wilson * config/xtensa/ieee754-df.S: New file. * config/xtensa/ieee754-sf.S: New file. * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c. (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions. * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S. 2006-01-09 Kazu Hirata * config/sh/predicates.md (binary_float_operator, binary_logical_operator, commutative_float_operator, equality_comparison_operator, greater_comparison_operator, less_comparison_operator, logical_operator, noncommutative_float_operator, shift_operator, symbol_ref_operand, unary_float_operator): Remove redundant conditionals. 2006-01-09 Jeff Law * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove code to propagate the RHS of a cast into COND_EXPR_COND. Remove now unused arguments. Callers updated. (eliminate_redundant_computations): Remove now unused arguments, callers updated. (local_fold): Remove, no longer used. (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c and moved to... * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here. (simplify_cond): New function. (forward_propagate_into_cond): Call simplify_cond. 2006-01-09 Alexandre Oliva * config/i386/sse.md (*vec_extractv2di_1_sse2): New. (*vec_extractv2di_1_sse): New. 2006-01-09 Ben Elliston * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix. 2006-01-08 Richard Guenther * tree-ssa-structalias.c (get_constraint_for): Remove anyoffset argument. (get_constraint_for_component_ref): Likewise. (do_deref): Likewise. (get_constraint_for): Likewise. (do_structure_copy): Likewise. (handle_ptr_arith): Likewise. (find_func_aliases): Likewise. Remove unused need_anyoffset variable. 2006-01-08 J"orn Rennecke Kaz Kojima * config/sh/sh.h (CONST_OK_FOR_K16): Define. (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case. (EXTRA_CONSTRAINT_C16): Remove. (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define. (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases. * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic constants of SHmedia. Handle nested constant expressions of SHmedia correctly. (andcosts): Fix the costs for SHmedia constants. (sh_rtx_costs): Take account of outer_code for SHmedia constants. * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16. (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise. (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise. (movv4hi_i, movv2si_i): Likewise. (movsi_const): Adjust the second operand of ior so to match with the Csu constraint. (movdi_const, movdi_const_32bit): Likewise. (movdi_const_16bit+1): Don't sign-extend LOW. (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate step. (*double_shori): Fix the split condition. Use GEN_INT instead of get_int_mode calls. Mask lower 16-bit of the argument of the last GEN_INT. (sym2GOTPLT): Remove. (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and gen_rtx_UNSPEC. * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css instead of EXTRA_CONSTRAINT_C16. 2006-01-07 Ian Lance Taylor David Edelsohn PR rtl-optimization/25662 * optabs.c (simplify_expand_binop): Use simplify_binary_operation for constant operands instead of simplify_gen_binary. * simplify-rtx.c (simplify_gen_binary): Swap commutative operands after trying simplify_binary_operation 2006-01-06 Daniel Berlin * tree.c (iterative_hash_expr): Hash decls based on UID. 2006-01-06 Eric Christopher * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document. (TARGET_UNWIND_EMIT): Fix spelling. * target.h (gcc_target): Add except_table_label. * except.c (output_function_exception_table): Use. * varasm.c (default_emit_except_table_label): New. * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default define. (asm_out): Add here. * output.h (default_emit_except_table_label): Prototype. * config/darwin-protos.h (darwin_emit_except_table_label): Ditto. * config/darwin.c (darwin_emit_except_table_label): Define. * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto. 2006-01-06 Zdenek Dvorak PR tree-optimization/18527 * tree-ssa-loop-niter.c (number_of_iterations_cond, number_of_iterations_special, number_of_iterations_exit): Move base and step of an iv to a single structure. Add no_overflow flag, and use it in # of iterations analysis. * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add folded_casts argument. (simple_iv): Pass base and step in a structure. Set no_overflow flag. (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop. Evaluate expensiveness of computing # of iterations instead of the final expression. * tree-scalar-evolution.h (affine_iv): New structure. (simple_iv): Declaration changed. * tree-chrec.c (chrec_apply): Handle chrecs containing symbols. * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev, find_givs_in_stmt): Changed due to simple_iv change. 2006-01-06 Jeff Law PR ada/24994 * tree-cfg.c (bsi_replace): Rename final argument from PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last change (stmt -> orig_stmt). * tree-eh.c (verify_eh_throw_stmt_node): New function. (bsi_remove): Add new argument. Remove EH information if requested. (verify_eh_throw_table_statements): New function. (bsi_remove): Add new argument REMOVE_EH_INFO. All callers updated. * tree-optimize.c (execute_free_cfg_annotations): Verify the EH throw statement table after removing annotations. * except.h (verify_eh_throw_table_statements): Prototype. * tree-flow.h (bsi_remove): Update prototype. * tree-vrp.c (remove_range_assertions): Add new argument to bsi_remove call. * tree-ssa-loop-im.c (move_computations_stmt): Likewise. * tree-complex.c (expand_complex_div_wide): Likewise. * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise * tree-tailcall.c (eliminate_tailcall): Likewise. * tree-ssa-dse.c (dse_optimize_stmt): Likewise. * tree-ssa-loop-ivopts.c (remove_statement): Likewise. * tree-nrv.c (tree_nrv): Likewise. * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise. * tree-if-conv.c (tree_if_convert_cond_expr): Likewise. (combine_blocks): Likewise. * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise. * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise. (cleanup_control_flow): Likewise. (remove_forwarder_block): Likewise. * tree-ssa-pre.c (remove_dead_inserted_code): Likewise. * tree-sra.c (sra_replace): Likewise. * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise. (forward_propagate_single_use_vars): Likewise. * tree-ssa-dce.c (remove_dead_stmt): Likewise. * tree-inline.c (expand_call_inline): Likewise. * tree-vect-transform.c (vect_transform_loop): Likewise. * tree-outof-ssa.c (rewrite_trees): Likewise. * tree-cfg.c (make_goto_expr_edges): Likewise. (cleanup_dead_labels): Likewise. (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise. (bsi_move_before, bsi_move_after): Likewise. (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise (tree_redirect_edge_and_branch, tree_split_block): Likewise. 2006-01-06 Andrew Pinski PR tree-opt/25528 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR and IMAGPART_EXPR. * tree-flow-inline.h (var_can_have_subvars): Handle complex types on non gimple variables. Also add checks at the top for decls and mtags. * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle complex types. * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR and IMAGPART_EXPR for creating MUST_DEFs. (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG, and NAME_MEMORY_TAG separately from the DECLs. 2006-01-06 Richard Guenther * tree-dfa.c (mark_new_vars_to_rename): Create stmt annotation, if necessary. * tree-ssa-pre.c (create_expression_by_pieces): Remove redundant calls to update_stmt. * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Likewise. 2006-01-05 Richard Henderson * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA. 2006-01-05 Carlos O'Donell * c-typeck.c: Update copyright date. 2006-01-05 Carlos O'Donell * c-typeck.c (build_c_cast): Always warn when casting from a pointer to an integer of different size, even if the node was constant. 2006-01-05 Richard Guenther PR tree-optimization/22555 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up, if one structure field is an array. * tree-ssa-operands.c (get_expr_operands): Continue scanning operands even if we found a subvar, but ignore VOPs in this case. * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt for renaming. * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa. 2006-01-05 Richard Earnshaw PR middle-end/24998 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define. 2006-01-05 Richard Guenther Diego Novillo * tree-pass.h (TODO_remove_unused_locals): Define. * gimple-low.c (expand_var_p, remove_useless_vars, pass_remove_useless_vars): Remove. Update all users. * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names. (remove_unused_locals): New function. * tree-flow.h (remove_unused_locals): Declare. * passes.c (execute_todo): Call remove_unused_locals if TODO_remove_unused_locals is set. * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals. * tree-ssa-dce.c (pass_dce): Likewise. * tree-outof-ssa.c (pass_del_ssa): Likewise. 2006-01-05 Richard Guenther * tree-flow.h (struct fieldoff): Decompose field to type, size and decl. * tree-ssa-alias.c (create_sft): Take type as parameter. (create_overlap_variables_for): Store type, size and decl in the fieldoff structure. * tree-ssa-structalias.c (fieldoff_compare): Adjust users of struct fieldoff. (push_fields_onto_fieldstack): Likewise. (create_variable_info_for): Likewise. Use offset for the SFT name if the decl is not available. 2006-01-04 Paul Brook * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr. 2006-01-04 Daniel Berlin * lambda-code.c (can_put_in_inner_loop): Relax restrictions. (can_put_after_inner_loop): New function. (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well. (perfect_nestify): Change to make copies and modify uses. 2006-01-04 Richard Henderson Merge from gomp branch: * c-lex.c (c_lex_with_flags) : Smuggle pragma id via integer constant. (pragma_lex): Remove. * c-pch.c (c_common_pch_pragma): Accept the name as an argument, rather than parsing it. * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname, handle_pragma_extern_prefix): Add %< %> quotes. (registered_pragmas): New. (c_register_pragma_1): New. (c_register_pragma): Use it. (c_register_pragma_with_expansion): Likewise. (c_invoke_pragma_handler): New. (init_pragma): Use cpp_register_deferred_pragma directly for pch_preprocess. * c-pragma.h (enum pragma_kind): New. (pragma_handler): New. (c_invoke_pragma_handler): Declare. * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and CPP_PRAGMA_EOL. * c-common.h (c_common_pch_pragma): Update decl. * Makefile.in (c-parser.o): Update dependencies. (GTFILES): Add c-pragma.h. * c-parser.c (struct c_token): Add pragma_kind. (struct c_parser): Add in_pragma. (c_lex_one_token): Always initialize keyword and pragma_kind. Extract data for CPP_PRAGMA. (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL. (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors. Don't allow CPP_PRAGMA_EOL if in_pragma. (c_parser_consume_pragma): New. (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL. (c_parser_skip_to_end_of_parameter): Likewise. (c_parser_skip_to_end_of_block_or_statement): Likewise. (c_parser_skip_to_pragma_eol): New. (c_parser_external_declaration): Handle CPP_PRAGMA. (c_parser_compound_statement_nostart): Likewise. (c_parser_statement_after_labels): Likewise. (c_parser_pragma): New. (pragma_lex): Likewise. (c_parser_pragma_pch_preprocess): New. (c_parser_new): Merge into ... (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess. 2006-01-04 Jeff Law PR ada/24994 * tree-cfg.c (bsi_replace): Remove the original statement from the EH throw statement table. 2006-01-04 Jakub Jelinek * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus, make the prototype extern "C" and add throw (). PR target/25554 * config/i386/i386.md (testqi_ext_3): Ensure len is positive and pos non-negative and pos + len <= 32. (testqi_ext_3_rex64): Ensure len is positive and pos non-negative, drop pos + len < HOST_BITS_PER_WIDE_INT test. (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT. PR c/25559 * c-common.c (handle_vector_size_attribute): Reject zero vector size as well as sizes not multiple of component size. PR debug/25562 * function.c (instantiate_expr): New function. (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P, walk its DECL_VALUE_EXPR with instantiate_expr. * dwarf2out.c (loc_descriptor_from_tree_1): Don't add DW_OP_deref{,_size} if address isn't going to be added. 2006-01-04 Ben Elliston * config/fp-bit.h: Use top-of-file comment from libgcc2.c. * config/fp-bit.c: Likewise. 2006-01-03 Daniel Berlin * dominance.c: Add comment about why we use DFS numbering of dominance tree. 2006-01-03 Jakub Jelinek Richard Henderson Merge from gomp-branch: * varasm.c (assemble_variable): Handle thread-local COMMON data. * defaults.h (ASM_OUTPUT_TLS_COMMON): Define. 2006-01-03 Paolo Bonzini PR rtl-optimization/25578 * combine.c (combine_simplify_rtx, force_to_mode): Don't pass a parameter to simplify_shift_const if changing ASHIFTRT to LSHIFTRT. 2006-01-03 Adrian Straetling * builtins.c (get_builtin_sync_mem): New function. (expand_builtin_sync_operation, expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set, expand_builtin_lock_release): Call get_builtin_sync_mem to generate mem rtx. 2006-01-03 Richard Guenther PR c/25183 * stmt.c (add_case_node): Make sure to clear overflow flags from ranges. 2006-01-03 Jakub Jelinek Merge from gomp-branch. * config/sparc/sync.md: New file. * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP, UNSPECV_LDSTUB): New constants. * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function. * config/sparc/predicates.md (memory_reg_operand): New predicate. * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New prototype. 2006-01-03 Roger Sayle * combine.c (reg_subword_p): New predicate to test whether the destination of a set refers to a subword/piece of a register. (try_combine): Generalize the code to merge the setting of a pseudo to a constant followed by a set of a subword of that register to a constant. 2006-01-03 Kazu Hirata * basic-block.h (control_flow_graph): Change the type of x_label_to_block_map to VEC(basic_block,gc) *. * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn, set_bb_for_stmt): Adjust the uses of x_label_to_block_map. * tree-ssa-propagate.c (cfg_blocks): Change the type to VEC(basic_block,heap) *. (cfg_blocks_add, cfg_blocks_get, ssa_prop_init, ssa_prop_fini): Adjust the uses of cfg_blocks. 2006-01-03 Steven Bosscher * fold-const.c (operand_equal_p): Accept a NULL operand 0 for COMPONENT_REFs. * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for hashing trees instead of a pointer hash. (mem_attrs_htab_eq): Do a deep compare instead of a pointer compare for MEM_EXPR. PR rtl-optimization/25130 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET when comparing MEMs for GCSE 2006-01-03 Ben Elliston * targhooks.h (default_decimal_float_supported_p): Declare. * targhooks.c (default_decimal_float_supported_p): Define. * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to `default_decimal_float_supported_p'. * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update. 2006-01-02 Adam Nemet * combine.c (apply_distributive_law ): Check TRULY_NOOP_TRUNCATION. 2006-01-02 Geoffrey Keating * dwarf2out.c (have_switched_text_section): Delete. (have_multiple_function_sections): New. (have_location_lists): Make 'bool'. (add_AT_loc_list): Use 'true' not '1'. (dwarf2out_switch_text_section): Set have_multiple_function_sections. (output_loc_list): Use have_multiple_function_sections. (output_ranges): Likewise. (dwarf2out_begin_function): Set have_multiple_function_sections if necessary. (dwarf2out_source_line): Don't fake separate_line_info_table_in_use. Check function_section rather than DECL_SECTION_NAME. (dwarf2out_finish): Use have_multiple_function_sections. Don't clear have_location_lists. 2006-01-02 Eric Botcazou Jan Hubicka * cfglayout.c (fixup_reorder_chain): Remove kludge for the case of conditional jump jumping to the next instruction. * cfgrtl.c (force_nonfallthru_and_redirect): Accept all cases of conditional jump jumping to the next instruction. 2006-01-02 Jan Hubicka * i386.c (*_cost): Add COSTS_N_INSNS. (ix86_rtx_costs): Do not use COSTS_N_INSNS. 2006-01-02 Paolo Bonzini PR target/25259 * Makefile.in (DECNUMINC): Include libdecnumber's build directory. 2006-01-02 Volker Reichelt * config/arm/arm.c (all_fpus): Fix comment typo. * config/darwin.c: Likewise. * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise. * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise. * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise. 2006-01-01 David Edelsohn * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New. (rs6000_split_compare_and_swapqhi): New. * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New. (sync_compare_and_swapqhi_internal): New. * config/rs6000/rs6000-protos.h: Declare.