2006-05-07 Richard Earnshaw * genpeep.c (main): Make insn-peep.c depend on flags.h. * arm/constraints.md: New file. * arm.h (REG_CLASS_FROM_LETTER_P): Delete. (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER) (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER) (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM) (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR) (EXTRA_MEMORY_CONSTRAINT): Likewise. * arm.md: Include constraints.md. (thumb_movsi_insn): Use satisfies_constraint_J. (movhi, movqi): Use satisfies_constraint_I. 2006-04-29 Anatoly Sokolov * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name for atmeg a645 device. 2006-05-06 Richard Guenther PR tree-optimization/27151 * tree-vect-transform.c (vectorizable_condition): Punt on values that have a different type than the condition. 2006-05-03 Aldy Hernandez PR/21391 * c-parser.c (c_parser_cast_expression): Only insert casts into hash table if pointer. * function.c (used_types_insert_helper): Rename from used_types_insert. (used_types_insert): Call used_types_insert_helper. * function.h (used_types_insert): Accept only one argument. 2006-05-05 David Edelsohn * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered scratch with output modifier. 2006-05-04 David Edelsohn PR target/26481 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint with output modifier. 2006-05-04 Richard Sandiford PR target/26765 * config/mips/mips.c (mips_symbolic_address_p): Return true for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL, SYMBOL_GOTTPREL, and SYMBOL_TLS. 2006-05-04 Richard Guenther PR tree-optimization/14287 PR tree-optimization/14844 PR tree-optimization/19792 PR tree-optimization/21608 PR tree-optimization/27090 * tree-ssa-pre.c (try_combine_conversion): New function. (compute_avail): After constructing the value-handle expression, use try_combine_conversion to combine NOP_EXPRs with previous value-handle expressions and use the result if it is available. 2006-05-04 Joseph S. Myers * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove. 2006-05-04 Jan Hubicka PR middle-end/25962 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing. 2006-05-04 Bernd Schmidt * config/bfin/predicates.md (const01_rtx): Tell generator programs that this only matches CONST_INTs. All users changed to VOIDmode operands. * config/bfin/bfin.c: Include "optabs.h". (bfin_rtx_costs): Some costs for vector operations, to allow combine to do more work. (enum bfin_builtins): Add a number of fractional and vector builtins. (bfin_init_builtins): Likewise. (struct builtin_description, bdesc_2arg, bdesc_1arg): New. (safe_vector_operand, bfin_expand_binop_builtin, bfin_expand_unop_builtin): New functions. (bfin_expand_builtin): Handle the new builtins. * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBLACKFIN__. 2006-05-04 Leehod Baruch * see.c: New file. * Makefile.in (OBJS-common): Add see.o. (see.o): Add dependencies. * common.opt (fsee): New flag for the see optimization was added. * opts.c (flag_see): Initialized. * passes.c (init_optimization_passes, pass_see): New pass. * rtl.h (see_main): Declaration as extern. * timevar.def (TV_SEE): New. * tree-pass.h (pass_see): Declaration as extern. * invoke.texi (-fsee): Document. * recog.c (validate_simplify_insn): New function. * recog.h (validate_simplify_insn): Declaration as extern. * df-problems.c (df_chain_dump): Check for NULL. 2006-05-04 Kenneth Zadeck Daniel Berlin * cfgrtl.c (insert_insn_bb_end_new): New function. * basic-block.h (insert_insn_bb_end_new): Declaration as extern. 2006-05-04 Leehod Baruch * df.h (struct web_entry): Moved from web.c. (union_defs): Declaration as extern. (unionfind_root): Likewise. (unionfind_union): Likewise. * web.c (struct web_entry): Moved to df.h. (unionfind_root): Remove static declaration. (unionfind_union): Likewise. (union_defs): Likewise and generalize to use callback function. (web_main): Update arguments for union_defs function call. 2006-05-04 Richard Guenther PR tree-optimization/26447 * tree-ssa-pre.c (realify_fake_stores): For necessary loads produce SSA_NAME copies before the store stmt to avoid breaking exception handling. 2006-05-04 Jakub Jelinek PR middle-end/27388 * gimplify.c (omp_is_private): If var is shared in some outer context, return false instead of true. Stop searching on parallel context boundary. 2006-05-03 Alexandre Oliva PR java/8260 * coverage.c: Use get_gcov_unsigned_t() instead of unsigned_type_node all over. 2006-05-02 Andrew MacLeod PR tree-optimization/27381 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument, maintain the same immediate_use links. * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker node rather than segfaulting. 2006-05-03 Jakub Jelinek PR fortran/27395 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER. 2006-05-02 Daniel Berlin Fix PR tree-optimization/26626 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve always. * tree-ssa-operands.c (access_can_touch_variable): Allow typecasting through union pointers. 2006-05-02 Jakub Jelinek PR c++/26943 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function. (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx to find if var will be a global variable even in the nested context. (omp_copy_decl): Only check for global variable at the end, it might be overridden in outer contexts. (scan_sharing_clauses): For global variables don't create a field. (lower_rec_input_clauses): Do nothing for global shared variables. Emit a barrier at the end of ILIST if there were any decls in both firstprivate and lastprivate clauses. (lower_send_clauses): Do nothing for global variables except for COPYIN. 2006-05-02 Zdenek Dvorak * tree.c (unsigned_type_for, signed_type_for): Make sure a type of the correct signedness is returned. 2006-05-02 Jeff Law PR tree-optimization/27364 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from multiply expressions. 2006-05-02 Tom Tromey * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo. 2006-05-02 Kazu Hirata PR target/27387 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when -mthumb -fPIC are used. 2006-05-02 Stanislaw Skowronek Joshua Kinard PR target/25871 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves with 64-bit pointers. 2006-05-02 Paul Brook * config/arm/arm.c (add_minipool_forward_ref): Check if insn and pool overlap. (create_fix_barrier): Check that a suitable barrier location is found. (arm_reorg): Include ftmp->address in allowable range of addresses. 2006-05-02 David Billinghurst PR ada/27366 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment on Cygwin. 2006-05-02 Jakub Jelinek PR middle-end/27337 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF around RESULT_DECL for result passed by reference. (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen. * omp-low.c (use_pointer_for_field): Don't look at DECL_HAS_VALUE_EXPR_P for RESULT_DECLs. (scan_omp_1): Call remap_decl on RESULT_DECLs. (lower_rec_input_clauses): Don't allocate VLA memory for the second time or var for passing by reference for OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of TREE_ADDRESSABLE variables when passing by reference. * omp-low.c (dump_omp_region): Fix output formatting. PR middle-end/27328 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb. (expand_omp_parallel): Likewise. * tree-cfg.c (move_sese_region_to_fn): Likewise. PR middle-end/27325 * omp-low.c (lower_omp_sections): Call maybe_catch_exception on statement list containing also constructors and destructors. (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise. PR middle-end/27310 * except.c (duplicate_eh_regions): Fix clearing of cfun->eh->region_array entries. 2006-05-01 DJ Delorie * configure.ac (gcc_cv_nm): Don't use an in-tree nm if build!=host. (gcc_cv_objdump): Likewise. * configure: Regenerated. 2006-05-01 Kazu Hirata PR target/27374 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output templates for case 3 and 4. 2006-05-01 DJ Delorie * vec.c: Include bconfig.h when appropriate. * Makefile.in (build/vec.o): Adjust dependencies. * mkconfig.sh: Make sure config.h isn't used for build machine compiles. 2006-05-01 Zdenek Dvorak * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New variables. (mark_phi_for_rewrite): New function. (insert_phi_nodes_for, mark_use_interesting): Call mark_phi_for_rewrite. (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite. (update_ssa): Initialize and free phis_to_rewrite. 2006-05-01 Zdenek Dvorak PR rtl-optimization/27291 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is folded to a constant. 2006-05-01 Zdenek Dvorak PR tree-optimization/27283 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees, not whole # of iteration descriptions. (niter_for_exit): Return just # of iterations. Fail if # of iterations uses abnormal ssa name. (niter_for_single_dom_exit): Ditto. (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to return just the number of iterations. 2006-05-01 Zdenek Dvorak PR tree-optimization/27144 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function. (record_estimate): Only record constant upper bound. (infer_loop_bounds_from_undefined): Call compute_estimated_nb_iterations just once. (proved_non_wrapping_p): Renamed to ... (n_of_executions_at_most): ... this. Expect bound to be a constant. (convert_step_widening, scev_probably_wraps_p): Call n_of_executions_at_most instead of proved_non_wrapping_p. (substitute_in_loop_info): Do not replace values in bounds. * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update comments. 2006-05-01 Richard Henderson PR c/27358 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after c_parser_skip_to_pragma_eol. Convert to switch statement. Handle CPP_PRAGMA. 2006-05-01 Roger Sayle * c-typeck.c (parser_build_binary_op): Don't call the function unsigned_conversion_warning to spot operand/result type overflow. (build_binary_op): Instead, call convert_and_check instead of convert to report the problem when the operands are promoted. * c-common.c (unsigned_conversion_warning): Make static. * c-common.h (unsigned_conversion_warning): Delete prototype. 2006-05-01 Richard Guenther PR tree-optimization/26726 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the problem ... (find_interesting_uses_address): ... we work around here by folding INDIRECT_REFs in the substituted base. 2006-05-01 Diego Novillo * omp-low.c (dump_omp_region): Add newlines. 2006-04-30 Roger Sayle * common.opt (Woverflow): New command line option. * c-common.c (constant_expression_warning): Check warn_overflow. (overflow_waring): Pass OPT_Woverflow to warning. (unsigned_conversion_warning): Likewise. (convert_and_check): Likewise. * doc/invoke.texi: Document new command line option. 2006-04-30 David Edelsohn * config/rs6000/rs6000.c (rs6000_override_options): Enable TARGET_NO_FP_IN_TOC for section anchors. (optimization_options): Enable section anchors for all non-"Objective" languages. 2006-04-28 Eric Christopher * config/darwin-c.c (darwin_ms_struct): Move this (darwin_set_default_type_attributes): and this... * config/darwin.c: ... here. * config/darwin.h (darwin_ms_struct): Declare. 2006-04-28 Andrew MacLeod * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause. 2006-04-28 Roger Sayle PR c/25309 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT. (push_array_bounds): Delete prototype. Change BOUNDS argument to an unsigned HOST_WIDE_INT. (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the array index. (really_start_incremental_init): No need to call convert because bitsize_zero_node is already of type bitsizetype. (push_init_level): Extract the value of constructor_index as an unsigned HOST_WIDE_INT quantity, using tree_low_cst. (process_init_element): Likewise. 2006-04-28 Joseph S. Myers * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX value before passing to make_relative_prefix. 2006-04-28 Alan Modra PR middle-end/27260 * builtins.c (expand_builtin_memset): Expand val in original mode. 2006-04-27 Eric Christopher * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket with #ifndef/#endif. * config/darwin-c.c (darwin_ms_struct): New. (darwin_pragma_ms_struct): Ditto. (darwin_set_default_type_attributes): Ditto. * config/darwin-protos.h (darwin_pragma_ms_struct): Declare. * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Register ms_struct pragma. * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare. (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto. * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call darwin_set_default_type_attributes if TARGET_MACHO. 2006-04-27 Andrew MacLeod PR tree-optimization/26854 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator. * doc/tree-ssa.texi: Update immuse iterator documentation. * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator. * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator. * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p, first_safe_imm_use, next_safe_imm_use): Remove. (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal. (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal. (move_use_after_head): New. Helper function to sort immuses in a stmt. (link_use_stmts_after): New. Link all immuses in a stmt consescutively. (first_imm_use_stmt): New. Get first stmt in an immuse list. (next_imm_use_stmt): New. Get next stmt in an immuse list. (first_imm_use_on_stmt): New. Get first immuse on a stmt. (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt. (next_imm_use_on_stmt): New. Move to next immuse on a stmt. * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator. * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator. (perfect_nestify): Use new iterator. * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new iterator. * tree-flow.h (struct immediate_use_iterator_d): Add comments. (next_imm_name): New field in struct immediate_use_iterator_d. (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove. (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT, FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros. * tree-cfg.c (replace_uses_by): Use new iterator. * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator. * tree-ssa-operands.c (correct_use_link): Remove. (finalize_ssa_use_ops): No longer call correct_use_link. 2006-04-27 Stuart Hastings * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New. * config/t-darwin (crt3.o): Use it. * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove 'pmode', use Pmode instead of SImode for SYMBOL_REF. * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv, call_nonlocal_sysv, call_value_indirect_nonlocal_sysv, call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64 support. 2006-04-27 Roger Sayle * expmed.c (store_fixed_bit_field): If we're not optimizing for size, force the intermediate into a new pseudo rather instead of performing both a bitwise AND and a bitwise IOR in memory. 2006-04-27 Richard Guenther PR rtl-optimization/26685 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named this one "max-flow-memory-locations". 2006-04-27 Richard Guenther PR tree-optimization/25148 * tree-vrp.c (compare_values): Remove code dealing with comparisons against type min/max value. Honour overflow and negative constants in code dealing with comparisons of plus and minus expressions. (value_inside_range): Use fold_binary with LE_EXPR and GE_EXPR rather than compare_values. 2006-04-27 Dirk Mueller * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare prototype for SSE. 2006-04-26 Kenneth Zadeck * basic-block.h (safe_insert_insn_on_edge): Removed. * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed. 2006-04-26 David Edelsohn Paolo Bonzini PR middle-end/27282 * combine.c (simplify_and_const_int_1): Use gen_int_mode. (simplify_and_const_int): Same. 2006-04-26 Aldy Hernandez * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE. 2006-04-26 Jakub Jelinek PR c/26171 * cgraph.c (cgraph_varpool_finalize_decl): Don't call cgraph_varpool_assemble_pending_decls if -fopenmp, unless cgraph_global_info_ready. PR middle-end/26913 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR. PR c/25996 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if either decl or init is error_mark_node. PR middle-end/25989 * tree-flow.h (struct omp_region): Add sched_kind. * omp-low.c (expand_parallel_call): Use region->inner->sched_kind instead of extracting omp for data. (expand_omp_for): Save extracted sched_kind. 2006-04-25 Roger Sayle * expmed.c (store_bit_field): Also check whether the bitsize is valid for the machine's "insv" instruction before moving the target into a pseudo for use with the insv. * config/i386/predicates.md (const8_operand): New predicate. * config/i386/i386.md (extv, extzv, insv): Use the new const8_operand predicate where appropriate. 2006-04-25 DJ Delorie * doc/install.texi (Specific): Clarify that this is not a list of supported hosts or targets. 2006-04-25 Richard Sandiford PR rtl-optimization/26725 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source block's BB_DIRTY flag. 2006-04-25 Geoffrey Keating * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there are no branches. * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just to print an integer. 2006-04-25 David Edelsohn * varasm.c (align_variable): New function. (get_block_for_decl): Apply align_variable to DECL before calculating section information. (assemble_variable): Split out alignment computation. 2006-04-25 Andreas Krebbel * expmed.c (store_bit_field): Handle paradoxical subregs on big endian machines. 2006-04-25 Bernd Schmidt * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a MODE_PARTIAL_INT mode. * config/bfin/bfin-modes.def: Add V2PDI and V2SI. * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers for CONST_INTs. (hard_regno_mode_ok): V2PDImode is ok for accumulators. * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle V2PDImode. * config/bfin/predicates.md (const01_operand, vec_shift_operand): New predicates. * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG): New constants. (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS, MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2, MACFLAG_IH): Likewise. (movstricthi_1): Renamed from "*movstricthi". (load_accumulator, load_accumulator_pair, movsi_insv, insv, ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low, movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low, movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3, addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2, ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi, flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly, flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts, flag_macv2hi_parts_acconly, flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns. * doc/rtl.texi (ss_ashift): Improve wording. 2006-04-24 Geoffrey Keating * dwarf2out.c (verify_marks_clear): New. (prune_unused_types): Call verify_marks_clear initially, not prune_unmark_dies. 2006-04-24 Bernd Schmidt * rtl.def (SS_ASHIFT, SS_NEG): New codes. * doc/rtl.texi: Document them. * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation_1): Don't abort when we see them. 2006-04-24 Mark Mitchell Revert: 2006-04-23 Mark Mitchell * configure.ac: Completely disregard languages that are not enabled. * configure: Regenerated. 2006-04-24 Andrew Pinski Richard Guenther PR tree-optimization/27236 * tree-inline.c (copy_body_r): Make sure to copy TREE_THIS_VOLATILE flag. 2006-04-24 Richard Guenther PR middle-end/26869 * tree-complex.c (update_parameter_components): Don't handle unused parameters which have no default def. 2006-04-24 Andrew Pinski Richard Guenther PR tree-optimization/27218 * tree-inline.c (expand_call_inline): Strip useless type conversions for the return slot address. 2006-04-24 Richard Guenther * cfgloop.h (struct loops): Remove unused field array. Reorder state after num. (LOOP_PREFETCH): Remove. 2006-04-24 Richard Guenther PR tree-optimization/22525 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary variable, adjust types of generated expressions. 2006-04-23 H.J. Lu * Makefile.in (c-convert.o): Add dependency on $(TARGET_H) (tree-vect-patterns.o): Likewise. (jump.o): Likewise. (cselib.o): Likewise. (loop-doloop.o): Likewise. (regclass.o): Likewise. (reload1.o): Likewise. (explow.o): Replace target.h with $(TARGET_H). (ipa-prop.o): Likewise. (ipa-cp.o): Likewise. (ipa-inline.o): Likewise. (reorg.o): Likewise. (reg-stack.o): Likewise. 2006-04-23 Eric Botcazou * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too. 2006-04-23 Mark Mitchell * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE. * configure.ac: Completely disregard languages that are not enabled. * configure: Regenerated. PR c++/26534 * c-common.h (c_build_bitfield_integer_type): Declare. * c-decl.c (c_build_bitfield_integer_type): Move to ... * c-common.c (c_build_bitfield_integer_type): ... here. 2006-04-23 Roger Sayle PR target/21283 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on a SImode SUBREG of a floating point register after no_new_pseudos. 2006-04-23 Roger Sayle * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to identify potentially eliminable registers to additionally catch VIRTUAL_INCOMING_ARGS_REGNUM. (addsi3): Update the conditions on when to use addsi_small_int. 2006-04-23 Roger Sayle PR target/16641 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the rtx to stack_pointer_rtx or frame_pointer_rtx directly. 2006-04-23 Eric Botcazou * fold-const.c (range_predecessor): Use operand_equal_p as the predicate for equality. (range_successor): Likewise. 2006-04-22 Kazu Hirata Revert: * config/soft-fp/op-common.h: Fix a typo. 2006-04-22 Frank Ch. Eigler PR libmudflap/26864 * common.opt (flag_mudflap_threads): Overload flag_mudflap. * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap. 2006-04-22 Kazu Hirata * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c: Fix comment typos. * doc/tm.texi: Fix a typo. 2006-04-21 Geoffrey Keating * dwarf2out.c (struct die_struct): Document that die_sib makes a circular linked list. (FOR_EACH_CHILD): New. (reverse_die_lists): Delete. (reverse_all_dies): Delete. (add_dwarf_attr): Correct documentation. (remove_child_with_prev): New. (remove_child_TAG): Update for change to die_struct, use remove_child_with_prev. (add_child_die): Update for change to die_struct. (splice_child_die): Use remove_child_with_prev and add_child_die. (print_die): Use FOR_EACH_CHILD. (die_checksum): Likewise. (assign_symbol_names): Likewise. (output_location_lists): Likewise. (build_abbrev_table): Likewise. (calc_die_sizes): Likewise. (mark_dies): Likewise. (unmark_dies): Likewise. (unmark_all_dies): Likewise. (output_die): Likewise. (prune_unused_types_mark): Likewise. (prune_unused_types_walk): Likewise. (same_die_p): Update for change to die_struct. (break_out_includes): Likewise. (prune_unused_types_prune): Likewise. (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic. (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if it's already clear. (dwarf2out_finish): Don't call reverse_all_dies. 2006-04-21 Eric Christopher * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos in comments and function names. 2006-04-21 Volker Reichelt PR c/25875 * c-typeck.c (digest_init): Robustify. * c-typeck.c (pop_init_level): Simplify. 2006-04-21 Steve Ellcey * config/pa/t-pa64: Add dependencies on $(GCC_PASSES). 2006-04-21 Paul Brook * config/arm/arm.c (arm_override_options): Error on iWMMXt and hardware floating point. 2006-04-21 David Edelsohn * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to NON_FLOAT_REGS. 2006-04-21 Nick Clifton * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS. 2006-04-21 Alan Modra PR target/27230 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use C++ lang type in traceback table for Objective-C++. * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment. 2006-04-20 H.J. Lu * config/i386/i386.c (asm_preferred_eh_data_format): Reformat. 2006-04-20 Volker Reichelt PR mudflap/26789 * tree-mudflap.c (mudflap_finish_file): Skip function when there were errors. Remove check for erroneous objects. 2006-04-20 Jeff Law PR tree-optimization/26854 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when checking for zero or one use. * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly. * tree-cfgcleanup.c (merge_phi_nodes): Similarly. * tree-ssa-reassoc.c (negate_value): Similarly. (reassociate_bb): Similarly. 2006-04-20 Jakub Jelinek * c-pretty-print.c (pp_c_direct_abstract_declarator): Print TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)). 2006-04-20 Alan Modra * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all fp regs if the last fp arg doesn't fit in regs. 2006-04-20 Kaz Kojima PR target/27182 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case that the last insn has the REG_INC note. 2006-04-19 Carlos O'Donell Nathan Sidwell PR c/26774 * stor-layout.c (update_alignment_for_field): Do not align ERROR_MARK nodes. (place_union_field): Place union field at the start of the union. (place_field): Move ERROR_MARK check later, and use the current allocation position to maintain monotonicity. 2006-04-19 Zdenek Dvorak * dominance.c: Include timevar.h. (calculate_dominance_info): Use TV_DOMINANCE. * timevar.def (TV_DOMINANCE): New timevar. * Makefile.in (dominance.o): Add TIMEVAR_H dependency. 2006-04-19 Andreas Krebbel PR rtl-optimization/14261 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting move would be an INSV insn. (noce_process_if_block): Don't optimize if the destination is a ZERO_EXTRACT which can't be handled by noce_emit_move_insn. 2006-04-19 Andreas Krebbel * config/s390/s390.md: Add comments with the instructions emitted by an insn pattern if macros are used. 2006-04-19 Alan Modra PR rtl-optimization/26026 * fold-const.c (fold_binary): Optimize div and mod where the divisor is a known power of two shifted left a variable amount. 2006-04-18 Geoffrey Keating * dwarf2out.c (prune_unused_types_update_strings): Don't add strings to hash table twice when the debug_str section has SECTION_MERGE. 2006-04-18 Joseph S. Myers * config/soft-fp: New directory. From glibc. * config/soft-fp/t-softfp: New. * config/soft-fp/README: New. * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE. * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New. (libgcc.mk): Pass LIB2FUNCS_EXCLUDE. (LIBGCC_DEPS): Add $(SFP_MACHINE). * config.gcc: Use rs6000/t-fprules-fpbit or rs6000/t-fprules-softfp and soft-fp/t-softfp together with rs6000/t-fprules. * config/rs6000/sfp-machine.h: New. Based on glibc. * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp: New. * config/rs6000/t-fprules: Remove fp-bit rules. * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=. * config/rs6000/t-linux64: Likewise. Remove duplicates from LIB2FUNCS_EXTRA. Remove fp-bit rules. (softfp_wrap_start, softfp_wrap_end): New. 2006-04-18 DJ Delorie * config/m32c/m32c.h (PTRDIFF_TYPE): Define. 2006-04-18 Devang Patel * doc/invoke.texi (-Wuninitialized): Clarify -O connection. 2006-04-18 Nick Clifton * config/sh/t-symbian: Add rule to build sh-c.o * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P. (sh_symbian_encode_section_info): Likewise. 2006-04-18 Andreas Krebbel * builtins.c (expand_builtin_strcmp): Cover label definition of do_libcall with HAVE_cmpstrnsi. 2006-04-18 Kazu Hirata * function.c (temp_slots_at_level, max_slot_level): Use VEC instead of VARRAY. * function.h (temp_slot_p): New. (function): Change the type of x_used_temp_slots to VEC(temp_slot_p,gc) *. 2006-04-18 Nick Clifton * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to flag_strength_reduce. * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo. 2006-04-18 Paolo Bonzini PR target/27117 Partial revert of revision 112637 2006-04-03 Paolo Bonzini Dale Johannesen PR target/19653 * regclass.c (struct reg_pref): Update documentation. (regclass): Set prefclass to NO_REGS if memory is the best option. (record_reg_classes): Cope with a prefclass set to NO_REGS. 2006-04-18 Paolo Bonzini PR tree-optimization/26821 * tree-ssa-math-opts.c (get_constant_one): New. (insert_reciprocals): Use it. 2006-04-17 Geoffrey Keating * dwarf2out.c (free_AT): Delete. (remove_AT): Update string ref counts. (remove_child_TAG): Don't call free_die. (free_die): Delete. (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL or DW_TAG_GNU_EINCL. (prune_unused_types_walk_attribs): Reset string refcounts. (prune_unused_types_update_strings): New. (prune_unused_types_prune): Don't make unnecessary stores. Don't call free_die. Do call prune_unused_types_update_strings. (prune_unused_types): Empty debug_str_hash. 2006-04-17 Roger Sayle * expr.c (expand_assignment): Optimize away no-op moves where the source and destination are equal and have no side-effects. 2006-04-17 Richard Guenther PR target/26826 * reload.c (push_reload): Guard calls to get_secondary_mem for memory subregs. 2006-04-16 Kazu Hirata * alias.c (reg_base_value, old_reg_base_value): Change the type to VEC(rtx,gc) *. (REG_BASE_VALUE, find_base_value, record_set, init_alias_analysis): Use VEC instead of VARRAY. * alias.c (alias_sets): Change the type to VEC(alias_set_entry,gc) *. (get_alias_set_entry, new_alias_set, record_alias_subset): Use VEC instead of VARRAY. (last_alias_set): Remove. * cgraph.h (cgraph_edge_p): New. Update the prototype of cgraph_function_versioning. * cgraphunit.c (cgraph_copy_node_for_versioning, cgraph_function_versioning): Use VEC instead of VARRAY. * ipa-cp.c (ipcp_insert_stage): Likewise. 2006-04-16 Roger Sayle PR target/26961 * fold-const.c (fold_ternary): When converting "A ? B : C" into either "A op B" or "A op C", we may need to convert A to the type of B and C. 2006-04-16 Adam Nemet * target.h (struct gcc_target): Add mode_rep_extended. * rtlanal.c (num_sign_bit_copies_in_rep): New global. (init_num_sign_bit_copies_in_rep): Initialize it using mode_rep_extended. (truncate_to_mode): Use it. (init_rtlanal): Call init_num_sign_bit_copies_in_rep. * targhooks.h (default_mode_rep_extended): Declare it. * targhooks.c (default_mode_rep_extended): Define it. * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to default_mode_rep_extended. (TARGET_INITIALIZER): Include it. * doc/tm.texi (Misc): Document it. * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it. (mips_truncated_to_mode): New function. 2006-04-16 Roger Sayle PR middle-end/25474 * expr.c (compress_float_constant): Copy the narrow constant into a new pseudo before extending it to its final width. 2006-04-16 Roger Sayle Andrew Pinski Dale Johannesen PR target/24076 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add special case code to implement V8HImode and V16QImode with SSE2. 2006-04-15 Roger Sayle * config/i386/i386.c (ix86_va_start): Ensure all integer constant trees are constructed with a suitable tree type. 2006-04-15 Roger Sayle * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW. (integer_onep): Likewise. (integer_all_onesp): Likewise. (integer_pow2p): Likewise. (integer_nonzerop): Likewise. (real_zerop): Likewise. (real_onep): Likewise. (real_twop): Likewise. (real_minus_onep): Likewise. (int_size_in_bytes): Likewise. (host_integerp): Likewise. 2006-04-15 Kazu Hirata * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c, jump.c, mips-tfile.c, omp-low.c, sched-int.h, tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos. * tree-ssa-structalias.h (alias_info): Remove num_references. 2006-04-15 John David Anglin * pa.md (output_bb patterns): Shorten long branch alternatives by 4. (output_bvb patterns): Likewise. * pa.c (output_bb): Use 'bb' insn for long branch case. (output_bvb): Likewise use '{bvb|bb}' for long branch case. (output_dbra): Use '{comb|cmpb}' for long branch case for alternative 1. Correct length operand for alternatives 1 and 2. (output_movb): Use '{comb|cmpb}' for long branch case for alternatives 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3. 2006-04-14 Roger Sayle * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r, is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that were accidentally reverted by r112959. 2006-04-15 Jakub Jelinek PR middle-end/26823 * except.h (eh_region_outermost): New prototype. * except.c (eh_region_outermost): New function. * tree-cfg.c (find_outermost_region_in_block): Use it. 2006-04-14 Kazu Hirata * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead of VARRAY. * reload1.c (reg_equiv_memory_loc_varray): Rename to reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *. (init_reload, reload): Use VEC instead of VARRAY. * reload.h: Update the prototype for reg_equiv_memory_loc_varray. 2006-04-14 Alexey Starovoytov Eric Botcazou * config/sparc/sparc.c (emit_and_preserve): Allocate space for the register save area. 2005-04-13 Uros Bizjak PR middle-end/27134 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal() to expand fallback builtin function call. 2006-04-14 Alan Modra PR middle-end/27095 * builtins.c: (expand_builtin_memset): Stabilize args before expansion and emit libcall here in case the builtin fails. (expand_builtin_strcmp): Always emit the libcall here on failure. 2006-04-14 Kazu Hirata * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY. * flow.c (reg_n_info): Change the type to VEC(reg_info_p,heap) *. * regclass.c (allocate_reg_info, free_reg_info): Use VEC instead of VARRAY. * regs.h (reg_info_p): New. (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS, REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED, REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC instead of VARRAY. 2006-04-13 Eric Botcazou * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter, defaulting to 100. * params.h (MAX_SCHED_READY_INSNS): New macro. * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle past MAX_SCHED_READY_INSNS during the first scheduling pass. (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in the ready list for 1 cycle during the first scheduling pass. * doc/invoke.texi (--param): New parameter max-sched-ready-insns. 2006-04-13 Richard Henderson PR libgomp/26651 * gimple-low.c (lower_omp_directive): Remove dead code. (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL. * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE. * omp-low.c (struct omp_region): Move to tree-flow.h. (root_omp_region): Export. (omp_regions, lookup_omp_region): Remove. (determine_parallel_type): Update for struct omp_region changes. (dump_omp_region): Dump regions with block numbers. (new_omp_region): Take type and block instead of stmt; malloc instead of ggc. (free_omp_region_1, free_omp_regions): New. (expand_parallel_call): Take entry_stmt as argument; update for changes to omp_region. (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT. (remove_exit_barriers): New. (expand_omp_parallel): Update for struct omp_region changes. (expand_omp_synch): Likewise. (expand_omp): Likewise. (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE. (expand_omp_for_static_chunk): Likewise. (expand_omp_for): Likewise. (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call. (expand_omp_sections): Similarly, with GOMP_sections_end. (expand_omp_single): New. (build_omp_regions_1): Update for OMP_CONTINUE. (execute_expand_omp): Call remove_exit_barriers, free_omp_regions. (lower_omp_sections): Expand with OMP_CONTINUE, do not collect OMP_SECTIONS_SECTIONS. (lower_omp_single_simple): Don't emit barrier here. (lower_omp_single_copy): Likewise. (lower_omp_single): Fix bindings, and lower to straightline now. (lower_omp_master, lower_omp_ordered): Likewise. (lower_omp_critical): Likewise. (lower_omp_for): Likewise. Emit OMP_CONTINUE. * tree-cfg.c (make_edges): Collect an omp_region tree, use it for omp edges, free it afterward. (make_omp_sections_edges): Remove. (is_ctrl_altering_stmt): Don't bother checking flag_openmp. (move_stmt_r): Handle OMP_CONTINUE. * tree-flow.h (struct omp_region): Move from omp-low.c. Switch statement pointers to basic blocks. Add type member. (root_omp_region, new_omp_region, free_omp_regions): Declare. * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE. * tree-inline.c (estimate_num_insns_1): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand. (OMP_RETURN): Rename from OMP_RETURN_EXPR. (OMP_CONTINUE): New. * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE. (OMP_SECTIONS_SECTIONS): Remove. (OMP_SECTION_LAST): New. (OMP_RETURN_NOWAIT): New. 2006-04-13 Roger Sayle * fold-const.c (native_encode_vector, native_interpret_real): Correct obvious mistakes in the previous check-in. 2006-04-13 Roger Sayle * fold-const.c (native_encode_expr): New function to encode the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST or VECTOR_CST into a specified buffer. (native_encode_int): New function. (native_encode_real): New function. (native_encode_complex): New function. (native_encode_vector): New function. (native_interpret_expr): Inverse of native_encode_expr to convert a target representation into an INTEGER_CST, REAL_CST etc... (native_interpret_int): New function. (native_interpret_real): New function. (native_interpret_complex): New function. (native_interpret_vector): New function. (fold_view_convert_expr): New function to constant fold/evaluate a VIEW_CONVERT_EXPR of a suitable constant expression. (fold_unary) : Call fold_view_convert_expr. Change call of build1 to fold_build1 when constructing a VIEW_CONVERT_EXPR. 2006-04-13 Paolo Bonzini Ulrich Weigand PR target/27006 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n to be even. 2006-04-13 Alan Modra PR target/26459 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't optimize to lo_sum for DFmode if !TARGET_FPRS. 2006-04-12 Kazu Hirata * tree-ssa-alias.c (set_initial_properties, init_alias_info, delete_alias_info, compute_flow_sensitive_aliasing, group_aliases): Use VEC instead of VARRAY. * tree-ssa-structalias.c (update_alias_info): Likewise. * tree-ssa-structalias.h (alias_info): Change the type of processed_ptrs to VEC(tree,heap) *. 2006-04-12 J"orn Rennecke PR target/27060 * config/sh/lib1funcs.h: New file, broken out of: * config/sh/lib1funcs.asm. * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41): New macros. * config/sh/lib1funcs.asm (udivsi3_i4): Use them. * config/sh/lib1funcs-Os-4-200.asm: New file. * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200. * config/sh/t-sh (OPT_EXTRA_PARTS): New variable. (EXTRA_MULTILIB_PARTS): Include it. ($(T)sdivsi3_i4i-Os-4-200.o): New rule. ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise. * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS. * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for TARGET_SH2. 2006-04-12 Kazu Hirata * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h. * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact, root_var_init, type_var_init): Use VEC instead of VARRAY. * tree-ssa-live.h: Include vecprim.h. (tree_partition_associator_d): Change the type of first_partition to VEC(int,heap) *. (tpa_first_partition): Use VEC instead of VARRAY. * Makefile.in (GTFILES): Move functions.h after tree.h. * function.c (reset_block_changes, record_block_change, check_block_change, free_block_changes): Use VEC instead of VARRAY. * function.h (function): Change the type of ib_boundaries_block to VEC(tree,gc) *. * tree-inline.c (copy_cfg_body): Initialize ib_boundaries_block to NULL instead of (varray_type) 0. 2006-04-12 Roger Sayle * expr.c (emit_group_store): Correct operand order in call to subreg_lowpart_offset. Always create paradoxical SUBREGs with a SUBREG_BYTE of zero. 2006-04-12 Richard Guenther * profile.c (compute_branch_probabilities): Remove code encapsulated in !ir_type (), which are remanents of the removed RTL profiling code. * rtl-profile.c: Remove. 2006-04-12 Alan Modra * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update magic NULL_RTX comment. (function_arg): Store entire fp arg to mem if any part should go on stack. (rs6000_arg_partial_bytes): Adjust for above change. 2006-04-11 Roger Sayle * dwarf2out.c (output_call_frame_info): Create debug_frame_section if it hasn't been initialized by dwarf2out_init. 2006-04-11 John David Anglin * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new symbolic constants in branch patterns. 2006-04-11 Roger Sayle * caller-save.c: #include "addresses.h" after #include "tm_p.h". 2006-04-11 Richard Sandiford PR rtl-optimization/27073 * gcse.c (try_replace_reg): Revert last change. Continue to search for both REG_EQUAL and REG_EQUIV notes, but only perform replacements on the former. 2006-04-11 Eric Botcazou * config/sparc/sparc.c (function_arg_slotno) : Handle aggregate types other than record and union types. (function_arg): Likewise. (function_arg_pass_by_reference): In 64-bit mode, return 0 for small arrays. (function_value): In 64-bit mode, return objects that require it in FP registers. 2006-04-11 Roger Sayle * dwarf2out.c (premark_used_types): Remove problematic prototype. 2006-04-11 Jakub Jelinek * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o. 2006-04-03 Jeff Law PR/27087 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive alias information too. 2006-04-10 Mike Frysinger * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name. 2006-04-10 Aldy Hernandez PR/21391 * dwarf2out.c (struct die_struct): Add die_perennial_p field. (premark_used_types_helper): New. (premark_used_types): New. (gen_subprogram_die): Call premark_used_types. (prune_unused_types_walk): Do not prune perennial dies. * function.c (used_types_insert): New. * function.h (struct function): Add used_types_hash field. (used_types_insert): Add prototype. * Makefile.in (FUNCTION_H): Depend on HASHTAB_H. * c-parser.c (c_parser_cast_expression): Save casted types in used types hash table. 2006-04-11 Mark Mitchell PR target/26459 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test rs6000_explicit_options.float_gprs. 2006-04-10 Roger Sayle * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed from ix86_expand_vector_init_low_nonzero. Take an additional one_var argument indicating which element is non-zero. Support one_var != 0 for V4SFmode and V4SImode by permuting the result. (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero with one_var instead of ix86_expand_vector_init_low_nonzero. 2006-04-10 Kazu Hirata * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o, tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o, global.o, cfglayout.o, lambda-code.o, reg-stack.o, build/genextract.o): Depend on vecprim.h. * cfglayout.c, df-problems.c, function.c, genextract.c, global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c, tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include vecprim.h. * vecprim.h: New. 2006-04-10 Geoffrey Keating * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next. Declare VECs of this type. (struct die_struct): Make field die_attr a VEC of dw_attr_struct. (remove_children): Delete. (add_dwarf_attr): Use VEC routines. (add_AT_flag): Update for changes to add_dwarf_attr. (add_AT_int): Likewise. (add_AT_unsigned): Likewise. (add_AT_long_long): Likewise. (add_AT_vec): Likewise. (add_AT_string): Likewise. (add_AT_die_ref): Likewise. (add_AT_fde_ref): Likewise. (add_AT_loc): Likewise. (add_AT_loc_list): Likewise. (add_AT_addr): Likewise. (add_AT_lbl_id): Likewise. (add_AT_lineptr): Likewise. (add_AT_macptr): Likewise. (add_AT_offset): Likewise. (add_AT_range_list): Likewise. (get_AT): Use VEC_iterate. (remove_AT): Use VEC_ordered_remove. (free_die): Fold remove_children into here; have it use VEC_iterate. (print_die): Use VEC_iterate on attrs. (reverse_die_lists): Don't reverse attr lists. (die_checksum): Use VEC_iterate on attrs. (same_die_p): Likewise. (output_location_lists): Likewise. (build_abbrev_table): Likewise. (size_of_die): Likewise. (unmark_all_dies): Likewise. (output_abbrev_section): Likewise. (output_die): Likewise. (prune_unused_types_walk_attribs): Likewise. 2006-04-10 Eric Botcazou * doc/install.texi (*-*-solaris2*): Point to the configure page. 2006-04-10 Jakub Jelinek PR debug/27057 * dwarf2out.c (is_symbol_die): Return true also for namespaces. 2006-04-09 Roger Sayle * expr.c (store_constructor): Don't bother clearing target if we're about to assign a vector to it using vec_init_optab. 2006-04-10 Daniel Berlin * tree-ssa-alias.c (lhs_may_store_to): New function. (recalculate_used_alone): Handle LHS of calls. 2006-04-09 John David Anglin PR target/27034 PR target/26508 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts. * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a. (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here. (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines. (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK. (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB stubs. Add ".align 8" directives before all ".dword" directives. (GTHREAD_USE_WEAK): Revise comment. (TARGET_ATTRIBUTE_WEAK): Define. * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o, dfi-stub.o, cxaf-stub.o and jvrc-stub.o. * stublib.c: New file. PR target/26743 PR target/11254 PR target/10274 * pa.md (cbranch patterns): Revise arguments used in calls to output_cbranch, output_bb and output_bvd. Add long branch length attributes. (fbranch patterns): Handle long branches. (jump): Revise length check. Revise arguments for output_lbranch call. Add long branch length attributes. (decrement_and_branch_until_zero): Add long branch length attributes. (output_movb, output_parallel_addb and output_parallel_movb patterns): Likewise. Revise arguments for output_parallel_addb and output_parallel_movb calls. * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb, output_parallel_movb and output_parallel_addb): Update prototypes. * pa.c (output_cbranch): Revise arguments. Correct handling of nullification in long branches. (output_lbranch): Add new argument to control extraction of delay instruction. (output_bb): Handle long branches. (output_bvb, output_dbra, output_movb, output_parallel_movb, output_parallel_addb): Likewise. 2006-04-09 Richard Sandiford PR rtl-optimization/27073 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes, not REG_EQUIVs. 2006-04-08 Daniel Berlin * tree.h (tree_memory_tag): Add old_used_alone. (SMT_OLD_USED_ALONE): New macro. * tree-ssa-alias.c (recalculate_used_alone): Stop marking things for renaming unnecessarily. 2006-04-08 Kazu Hirata * builtins.c, config/arm/arm.c, config/i386/cygwin.h, config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h, config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c, haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h, sched-rgn.c, tree-inline.h, tree-ssa-dom.c, tree-ssa-loop-prefetch.c, tree-ssa-operands.c, tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow spelling convensions. * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi, doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment typos. Follow spelling conventions. 2006-04-07 DJ Delorie * config/m32c/m32c.c (m32c_function_arg): Structures are always passed on the stack. (m32c_init_cumulative_args): When a function returns a structure, always pass the pointer to that return area on the stack. (m32c_function_arg_advance): Don't increment the parameter number if we're processing the returned structure pointer. (pushm_info): Reverse order of registers. 2006-04-07 Sebastian Pop * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne, assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt, number_of_iterations_le, number_of_iterations_cond, find_loop_niter, estimate_numbers_of_iterations_loop): Use build_int_cst instead of build_int_cst_type. * tree-chrec.c (chrec_fold_multiply_poly_poly, chrec_fold_multiply): Same. * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost, force_expr_to_var_cost): Same. * tree-mudflap.c (mf_xform_derefs_1): Same. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same. 2006-04-07 David Edelsohn * config/rs6000/rs6000.c (rs6000_rtx_costs) : Do not treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra insn. 2006-04-07 Jan Hubicka * ipa-inline.c (cgraph_early_inlining): Collect garbage. 2006-04-07 Richard Guenther PR tree-optimization/26135 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory loads for store copy-prop. (copy_prop_visit_stmt): Likewise. 2006-04-05 Robert Millan * gcc/config/i386/linux.h: Add a comment to mark macros that are being overriden in config/k*bsd-gnu.h. * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of DYNAMIC_LINKER. * gcc/config/knetbsd-gnu.h: Ditto. 2006-04-06 Jan Hubicka PR profile/20815 PR profile/26399 * coverage.c (coverage_checksum_string): Reorganize loop to not read after buffer. 2006-04-06 Mike Stump * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if for HAVE_nonlocal_goto to be consistent. (expand_builtin_nonlocal_goto): Likewise. (expand_builtin_strcmp): Use #ifdef instead of #if for HAVE_cmpstrnsi to be consistent. 2006-04-05 DJ Delorie * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c vs m32c. 2006-04-05 Bernd Schmidt * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow got-relative addressing for anything but SImode. * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered even if the calling function doesn't modify them. 2006-04-05 Richard Guenther PR tree-optimization/26919 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument to cgraph_estimate_size_after_inlining. 2006-04-05 Alan Modra * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change. 2006-04-05 Sebastian Pop PR tree-optimization/26996 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze VECTOR_TYPE variables. 2006-04-05 Richard Guenther PR tree-optimization/26763 * fold-const.c (fold_comparison): Move folding of PTR + CST CMP PTR + CST ... (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR. 2006-04-05 Gerald Pfeifer * doc/install.texi (Prerequisites): Refine some wording on bootstrapping and ksh. Move the version numbers of DejaGnu here from the testing section and fix casing of names. Fix markup and clarify wording for autogen requirements. Refer to GCJ instead of just java. Refer to SVN instead of CVS. Describe diffutils as useful instead of necessary. (Downloading the source): Refer to SVN instead of CVS. Adjust a link to our web site accordingly. (Configuration): Fix casing of Bison. (Building): Refer to SVN instead of CVS. Fix a sentence on the use of Bison and remove duplicate (and incorrect) version number of Bison requirement. Remove one redundant list of packages needed for building. (Specific): Avoid reference to CVS. 2006-04-04 Eric Christopher * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define. (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto. (rs6000_handle_struct_attribute): New. (rs6000_ms_bitfield_layout_p): Ditto. 2006-04-04 Geoffrey Keating * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than NULL for dso parameter to atexit_common. 2006-04-04 Eric Christopher * config/i386/i386.c (machopic_output_stub): Output \t between instructions and operands. 2006-04-04 David Edelsohn * config/rs6000/rs6000.c (num_insns_constant_wide): Change satisfies_constraint_[IL] to explicit tests on value. 2006-04-04 Sebastian Pop * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop, set_nb_iterations_in_loop): Use build_int_cst instead of build_int_cst_type. * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use build_int_cst instead of convert. 2006-04-04 Carlos O'Donell * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document new value 2 for incoming. * function.c (expand_function_start): Call struct_value_rtx with incoming as 2. * config/sparc/sparc.md: Comment updated_return. * config/sparc/sparc.opt: Add -mstd-struct-return option. * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard struct return if sparc_std_struct_return and incoming is 2. (print_operand): Do not adjust return if sparc_std_struct_return. 2006-04-04 Roger Sayle * builtins.c (fold_builtin_sprintf): Use fold_convert instead of convert in the middle-end. * expr.c (store_expr, store_constructor, get_inner_reference, expand_expr_real_1, string_constant, try_casesi, try_tablejump): Likewise. * tree.c (build_range_type): Likewise. 2006-04-04 Tom Tromey * doc/install.texi (Prerequisites): Mention jar. 2006-04-04 Daniel Berlin * doc/tree-ssa.texi (Preserving the virtual ssa form): New subsection. 2006-04-04 Matthias Klose * Makefile.in (unprotoize.o): Same dependencies as for protoize.o. * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted strings. 2006-04-03 Geoffrey Keating * doc/extend.texi (Function Attributes): Rewrite visibility attribute documentation. * doc/invoke.texi (C++ Dialect Options): Rewrite -fvisibility-inlines-hidden documentation to describe something entirely different, although in practise compatible. (Code Gen Options): Warn about system headers in -fvisibiltity= documentation. * doc/extend.texi (Other Builtins): Document that __builtin_nan is a compile-time constant only when its argument is valid. 2006-04-03 Adam Nemet * simplify-rtx.c (simplify_unary_operation_1) : When trying to remove TRUNCATE check if all bits outside the new mode are identical to the sign bit. 2006-04-03 Jeff Law * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding and operand scanning in some common cases. 2006-04-03 Paolo Bonzini Dale Johannesen PR target/19653 * regclass.c (struct reg_pref): Update documentation. (regclass): Set prefclass to NO_REGS if memory is the best option. (record_reg_classes): Cope with a prefclass set to NO_REGS. * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS into account. For non-registers, equate an empty preferred reload class to a `!' in the constraint; move the if clause to do so after those that reject the insn. (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally return NO_REGS. (find_dummy_reload): Likewise. * doc/tm.texi (Register Classes): Document what it means if PREFERRED_*_RELOAD_CLASS return NO_REGS. * config/i386/i386.c (ix86_preferred_reload_class): Force using SSE registers (and return NO_REGS for floating-point constants) if math is done with SSE. (ix86_preferred_output_reload_class): New. * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New. * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New. * config/i386/i386.md: Remove # register preferences. 2006-04-02 Sebastian Pop PR bootstrap/26992 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop, chrec_is_positive, set_nb_iterations_in_loop): Use a variable for the type of nb_iter. (instantiate_parameters_1): Convert the operands before calling chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply. * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same. 2006-04-02 Roger Sayle * builtins.c (dummy_object): Use build_int_cst instead of convert. * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert instead of convert. * dojump.c (do_jump): Likewise. * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise. * gimplify.c (gimple_boolify, gimplify_init_constructor, gimplify_boolean_expr): Likewise. * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise. * varasm.c (array_size_for_constructor): Likewise. * tree-object-size.c (compute_object_offset): Likewise. 2006-04-02 Roger Sayle PR middle-end/26977 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns NULL_RTX, indicating it couldn't create a valid paradoxical subreg. 2006-04-02 Sebastian Pop PR tree-optimization/26939 * tree-chrec.c (chrec_merge): Use eq_evolutions_p. 2006-04-02 Sebastian Pop * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument at_stmt. Convert the type of operands before calling build_polynomial_chrec. (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to add_to_evolution_1. (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution. (instantiate_parameters_1): Convert the type of operands before calling build_polynomial_chrec. * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly, chrec_replace_initial_condition, reset_evolution_in_loop): Insert asserts to check the types of the operands. (chrec_type): Moved... (eq_evolutions_p): Use operand_equal_p. * tree-chrec.h (build_polynomial_chrec): Insert an assert to check the types of the operands. (chrec_type): ...here. * tree-data-ref.c (create_data_ref): Convert the operands before calling chrec_replace_initial_condition. (same_access_functions, analyze_subscript_affine_affine, analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p. (compute_subscript_distance, analyze_ziv_subscript, analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2, analyze_miv_subscript): Convert the operands before calling chrec_fold_minus or chrec_fold_plus. 2006-04-02 Sebastian Pop * tree-data-ref.c (compute_all_dependences): Use a pointer to the dependence_relations vector. (compute_data_dependences_for_loop): Adjust call to compute_all_dependences. 2006-04-01 Roger Sayle Richard Henderson * gimplify.c (gimplify_scan_omp_clauses) : Call gimple_boolify on the condition before calling gimplify_expr. 2006-03-31 Bob Wilson * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to the frame size. Update to use the new macros. * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros. * config/xtensa/ieee754-df.S: Likewise. 2006-03-31 Richard Henderson * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into... (make_edges): ... here. Control fallthru creation with a local variable. Do not play with fake edges. (make_omp_sections_edges): Don't set EDGE_ABNORMAL. (make_goto_expr_edges): Don't play with fake edges. Make for_call a boolean. 2006-04-01 Joseph S. Myers * dwarf2.h (DW64_CIE_ID): Define. * dwarf2out.c (DWARF_CIE_ID): Define. (output_call_frame_info): Output 0xffffffff before standard 8-byte length header. Use DWARF_CIE_ID. (value_format): Use DW_FORM_data4 or DW_FORM_data8 for dw_val_class_loc_list depending on DWARF_OFFSET_SIZE. 2006-03-31 Kaz Kojima * config/sh/linux-atomic.asm: New file. * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm. 2006-03-31 DJ Delorie * config/m32c/cond.md: Set condition flags properly throughout. * config/m32c/minmax.md: Likewise. * config/m32c/prologue.md: Likewise. * config/m32c/bitops.md: Likewise. * config/m32c/muldiv.md: Likewise. * config/m32c/mov.md: Likewise. * config/m32c/addsub.md: Likewise. * config/m32c/m32c.md: Likewise. * config/m32c/jump.md: Likewise. * config/m32c/shift.md: Likewise. * config/m32c/cond.md (cmp): Call m32c_output_compare to conditionally output the pattern for this. * config/m32c/m32c.c (flags_needed_for_conditional): New. (m32c_compare_redundant): New. (m32c_output_compare): New. * config/m32c/m32c-protos.h (m32c_output_compare): New. * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber dest, not src. Allow other 4-byte modes. 2006-03-30 Denis Chertykov * doc/md.texi: Refer to avr/constraints.md instead of avr/avr.h. 2006-03-30 Roger Sayle * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to signed vs. unsigned comparison failures on some hosts. 2006-03-31 Alan Modra PR target/26459 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08 change to FLOAT_REGS. * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee. (rs6000_override_options): Use it. (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi only for -mabi=spe/no-spe and -mabi=altivec. 2006-03-30 Geoffrey Keating * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with !Zdynamiclib. 2006-03-30 Carlos O'Donell * Makefile.in: Rename docdir to gcc_docdir. 2006-03-30 Roger Sayle PR target/17959 * expr.c (emit_group_store): Optimize group stores into a pseudo register by using a paradoxical subreg to initialize the destination if the first or last member of the group specifies a "low part". 2006-03-30 Maxim Kuvyrkov PR target/26734 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'. * target.h (struct gcc_target.speculate_insn): Change type of the second parameter to 'int'. * lists.c (alloc_DEPS_LIST): Change signature. Update reference to the second operand of the DEPS_LIST. (copy_DEPS_LIST_list): Update reference to the second operand of the DEPS_LIST. * rtl.h (alloc_DEPS_LIST): Update signature. * sched-int.h (ds_t): Change typedef to 'int'. (DEP_STATUS, BITS_PER_DEP_STATUS): Update. 2006-03-30 Maxim Kuvyrkov * haifa-sched.c (try_ready): Change condition to restore non-speculative pattern of the instruction. (process_insn_depend_be_in_spec): Code to keep probability of the speculative dependence non-decreasing. 2006-03-30 Jie Zhang * config/bfin/bfin.c (single_move_for_strmov): Renamed to... (single_move_for_movmem): ... this. Also change all uses. (bfin_expand_strmov): Renamed to... (bfin_expand_movmem): ... this. Also change all uses. * config/bfin/bfin.md (movstrsi): Renamed to... (movstrsi): ...this. 2006-03-30 Paolo Bonzini PR tree-optimization/26830 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth. (copy_prop_visit_stmt): Remove write-only variable ann. (init_copy_prop): Check variable loop depth here. Do not simulate memory-tag and virtual operand PHIs except for store copy prop. 2006-03-30 Richard Guenther * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic variants with double arguments. 2006-03-29 David Edelsohn * genpreds.c (write_tm_constrs_h): Delete variable p. * genconditions.c (write_header): Add tm-constrs.h to included headers. * genpeep.c (main): Add toplev.h to included headers. * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency. (build/genpeep.o): Add toplev.h dependency. * config/rs6000/constraints.md: Add "W" constraint. 2006-03-29 Roger Sayle * stor-layout.c (mode_for_size_tree): Remove restiction on type sizes by correctly testing whether the size fits a host integer. (initialize_sizetypes): Use set_min_and_max_values_for_integral_type to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full SImode range for the default sizetype and bitsizetype. 2006-03-29 Roger Sayle * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW bits of the argument. Return quickly if the argument is already of the correct type. Call fold_build1 instead of build1. Tidy up blank lines. 2006-03-29 David Edelsohn * genemit.c (main): Add tm-constrs.h to included headers. * genoutput.c (output_prologue): Add tm-constrs.h to included headers. * genpeep.c (main): Add tm-constrs.h to included headers. * genpreds.c (write_satisfies_constraint_fns): Rename to ... (write_tm_constrs_h): this and write complete file. (write_tm_preds_h): Do not emit satisfies_constraint fns. (write_insn_preds_c): Add tm-constrs.h to included headers. (gen_constrs): New variable. (parse_option): Parse "-c". (main): Invoke write_tm_constrs_h. * genrecog.c (write_header): Add tm-constrs.h to included headers. * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h. (object_out_file): Add tm-constrs.h dependency. (insn-emit.o): Same. (insn-output.o): Same. (insn-peep.o): Same. (insn-preds.o): Same. (insn-recog.o): Same. (tm-constsr.h): New target. (s-constrs-h): New target. * config/rs6000/constraints.md: New file. * config/rs6000/rs6000.c: Include tm-constrs.h. (num_insn_constant_wide): Convert to satisfies_constraint. (rs6000_rtx_costs): Convert to satisfies_constraint. * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete. (CONST_OK_FOR_LETTER_P): Delete. (CONST_DOUBLE_OK_FOR_LETTER_P): Delete. (EXTRA_CONSTRAINT): Delete. (EXTRA_MEMORY_CONSTRAINT): Delete. (EXTRA_ADDRESS_CONSTRAINT): Delete. * config/rs6000/predicates.md: Convert to satisfies_constraint. * config/rs6000/rs6000.md: Include constraints.md. Convert to satisfies_constraint. * config/i386/i386.c: Include tm-constrs.h. 2006-03-29 Sebastian Pop * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls. * tree-data-ref.c (find_data_references_in_loop, compute_data_dependences_for_loop): Use pointers to VEC. (analyze_all_data_dependences): Adjust calls. * tree-data-ref.h (find_data_references_in_loop, compute_data_dependences_for_loop): Adjust declarations. * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to compute_data_dependences_for_loop. 2006-03-29 Paul Brook * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives. (movdf_vfp): Ditto. 2006-03-29 Sebastian Pop PR tree-optimization/26859 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid division by zero. (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags for the step after fold_convert. 2006-03-29 Paul Brook * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators. (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses. 2006-03-29 Paul Brook PR middle-end/23623 * targhooks.c (default_narrow_bitfield): New fuction. * targhooks.h (default_narrow_bitfield): add prototype. * target.h (gcc_target): Add narrow_volatile_bitfield. * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define. * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield. * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS. * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define. 2006-03-29 Andreas Krebbel * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to tmake_file. * config/s390/s390.c (S390_scalar_mode_supported_p): New function. (NR_C_MODES): Add TDmode, DDmode and SDmode. (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT. (s390_hard_regno_mode_ok): Disallow TDmode in integer regs. (s390_function_arg_float): Allow SDmode and DDmode values to be passed in floating point registers. (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT check with SCALAR_FLOAT_MODE_P. (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro. 2006-03-28 Zdenek Dvorak PR tree-optimization/25985 * tree-ssa-loop-niter.c (number_of_iterations_le, number_of_iterations_ne): Make comments more precise. (number_of_iterations_cond): Add only_exit argument. Use the fact that signed variables do not overflow only when only_exit is true. (loop_only_exit_p): New. (number_of_iterations_exit): Pass result of loop_only_exit_p to number_of_iterations_cond. 2006-03-28 Zdenek Dvorak PR tree-optimization/26643 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle bit_field_refs. 2006-03-28 Kaz Kojima * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG. (divsi3_i4_int): Likewise. 2006-03-28 Roger Sayle * expr.c (emit_group_store): Only create a new pseudo reg if the quantity it needs to hold isn't already a suitable pseudo. 2006-03-28 Jeff Law * timevar.def (TV_TREE_PHI_CPROP): New timevar. * tree-ssa-dom.c (pass_phi_only_cprop): Use it. 2006-03-28 Roger Sayle * fold-const.c (fold_binary) : Fold (X & Y) ^ Y as the equivalent ~X & Y, and the symmetry related transformations. (fold_binary) : Similarly, fold (X ^ Y) & Y as ~X & Y, and symmetry related transforms. 2006-03-28 Maxim Kuvyrkov Revert my 2006-03-27 patches. 2006-03-28 Roger Sayle * fold-const.c (fold_unary) : Fold (T1)(~(T2)X) as ~(T1)X, when T1 and T2 are integer types of the same precision and (T2)X isn't an extension. 2006-03-28 Jeff Law PR tree-optimization/26796 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which need EH edge cleanups rather than purging them immediately. (eliminate_degenerate_phis): Handle queued EH cleanups. 2006-03-28 Daniel Berlin * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE from parent_var. 2006-03-27 Roger Sayle PR middle-end/22524 * fold-const.c (fold_binary) : Call fold_convert to cast BIT_NOT_EXPR operand to the correct type. 2006-03-27 Sebastian Pop * tree-loop-linear.c: Don't include varray.h. (gather_interchange_stats, try_interchange_loops, linear_transform_loops): Use VEC instead of VARRAY. * lambda-mat.c: Don't include varray.h. * tree-chrec.c: Same. * lambda-trans.c: Same. * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use VEC instead of VARRAY. * tree-vectorizer.h: Idem. * tree-data-ref.c (dump_data_references, dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs, initialize_data_dependence_relation, finalize_ddr_dependent, compute_all_dependences, find_data_references_in_loop, compute_data_dependences_for_loop, analyze_all_data_dependences, free_dependence_relation, free_dependence_relations, free_data_refs): Idem. * tree-data-ref.h (data_reference_p, subscript_p): New. (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use VEC instead of VARRAY. (DDR_SUBSCRIPTS_VECTOR_INIT): Removed. (find_data_references_in_loop, compute_data_dependences_for_loop, dump_ddrs, dump_dist_dir_vectors, dump_data_references, dump_data_dependence_relations, free_dependence_relations, free_data_refs): Adjust declaration. (lambda_transform_legal_p): Move declaration here... * tree-vect-analyze.c (vect_analyze_data_ref_dependences, vect_compute_data_refs_alignment, vect_verify_datarefs_alignment, vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses, vect_analyze_data_refs): Use VEC instead of VARRAY. * lambda.h (lambda_transform_legal_p): ...from here. * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY. * tree-vect-transform.c (vect_update_inits_of_drs): Idem. * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o, tree-chrec.o): Don't depend on VARRAY_H. 2006-03-27 Maxim Kuvyrkov * rtl.def (Copyright): Update date. (DEPS_LIST): Change type of the second operand to 'int'. * target.h (Copyright): Update date. (struct gcc_target.speculate_insn): Change type of the second parameter to 'int'. * lists.c (Copyright): Update date. (alloc_DEPS_LIST): Change signature. Update reference to the second operand of the DEPS_LIST. (copy_DEPS_LIST_list): Update reference to the second operand of the DEPS_LIST. * rtl.h (Copyright): Update date. (alloc_DEPS_LIST): Update signature. * sched-int.h (Copyright): Update date. (ds_t): Change typedef to 'int'. (DEP_STATUS, BITS_PER_DEP_STATUS): Update. 2006-03-27 Maxim Kuvyrkov * haifa-sched.c (Copyright): Update date. (try_ready): Change condition to restore non-speculative pattern of the instruction. (process_insn_depend_be_in_spec): Code to keep probability of the speculative dependence non-decreasing. 2006-03-27 Bernd Schmidt * regrename.c (replace_oldest_value_addr): Initialize a variable to shut up the compiler. 2006-03-27 J"orn Rennecke * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule to use lib prefix for target. ($(T)libic_invalidate_array_4-200.a): Likewise. ($(T)libic_invalidate_array_4a.a): Likewise. 2006-03-27 Andrew Stubbs J"orn Rennecke * superh.opt: New file. * sh.c (boardtype, osruntime): Remove. * superh.h (SUBTARGET_OPTIONS): Remove. * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options. * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed arguments with ^ and/or []. * config.gcc (sh-*-*): Add quoting to account for quirk of Solaris /bin/sh. Replace == with = in enable_incomplete_targets test. * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT with MASK_LITTLE_ENDIAN. * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file. * config/sh/sh.opt: Added to some comments. * config/sh/superh.h: Removed some chaff. * config/sh/sh.opt: Add m4-[1234]00* options. * config/sh/sh.c (sh_handle_option): Likewise. * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define. (ic_invalidate_array_4-100.o): New rule. ($(T)libic_invalidate_array_4-100.a): Likewise. (ic_invalidate_array_4-200.o): Likewise. ($(T)libic_invalidate_array_4-200.a): Likewise. (ic_invalidate_array_4a.o): Likewise. ($(T)libic_invalidate_array_4a.a): Likewise. * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS. * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*, m4-200*, and m4a*. * config/sh/crt1.asm: Merged in profiling code. * config/sh/superh.h (STARTFILE_SPEC): Override. * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS. Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o. * config.gcc (sh*-superh-elf): Add t-superh to tmake_file. * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants. * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS / MULTILIB_DIRNAMES / MULTILIB_MATCHES settings. * sh.opt (mpretend-cmove): New option. * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1. * sh.md (movsicc_t_false, movsicc_t_tru): New patterns. (movsicc): Add TARGET_PRETEND_CMOVE code. 2006-03-27 Andreas Krebbel * config/s390/s390-protos.h (s390_hard_regno_mode_ok, s390_class_max_nregs): New function prototypes. * config/s390/s390.c (REGNO_PAIR_OK): New macro. (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions. * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS): Macro bodies replaced by function calls. 2006-03-26 Geoffrey Keating * dwarf2out.c (add_location_or_const_value_attribute): Call tree_add_const_value_attribute if nothing else works. (reference_to_unused): New. (rtl_for_decl_init): Use reference_to_unused to decide whether to output an initializer. 2006-03-27 Alan Modra PR target/26459 * config/rs6000/rs6000.md (DF reg move peephole): Prevent peephole removing spe frob_di_df_2. 2006-03-26 Sebastian Pop * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS. (subscript_dependence_tester_1): Declared. (print_dir_vectors, print_dist_vectors): New. (debug_data_dependence_relation): New. (dump_data_dependence_relation): Print more details. (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST. (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0. (save_dist_v, save_dir_v, add_outer_distances, build_classic_dist_vector_1): New. (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST. Don't test for lambda_vector_lexico_pos. (same_access_functions, add_multivariate_self_dist, add_other_self_distances, dir_from_dist): New. (build_classic_dir_vector): Replace implementation almost identical to build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to dir_from_dist. (subscript_dependence_tester_1): New. (subscript_dependence_tester): Handle the lexicographically negative distance vectors by recomputing the dependence relation. (compute_affine_dependence): Remove parameter loop_nest_depth. (compute_self_dependence): Don't call compute_subscript_distance. (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth. Add a parameter for the loop_nest. (find_loop_nest_1, find_loop_nest): New. (compute_data_dependences_for_loop): Compute the loop nest, and give up if the nest is not well formed. * tree-data-ref.h (loop_p): New. (struct data_dependence_relation): Replace size_vect field with loop_nest, a vec of loops. (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS. (DDR_LOOP_NEST): New. (print_dir_vectors, print_dist_vectors, debug_data_dependence_relation): Declared. (index_in_loop_nest): New. * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use DDR_LOOP_NEST and index_in_loop_nest to determine the dependence distance. 2006-03-25 Adam Nemet * simplify-rtx.c (simplify_relational_operation): Call simplify_relational_operation_1 even if mode is VOIDmode. 2006-03-25 Daniel Berlin PR tree-optimization/26804 * tree.h (DECL_CALL_CLOBBERED): New macro. (tree_decl_common): Add call_clobbered_flag. * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED. (mark_call_clobbered): Set DECL_CALL_CLOBBERED. (clear_call_clobbered): Clear DECL_CALL_CLOBBERED. (mark_non_addressable): Ditto. * tree-ssa.c (verify_call_clobbered): New function. (verify_alias_info): Use it. * tree-pass.h (pass_reset_cc_flags): New prototype. * tree-ssa-alias.c (pass_reset_cc_flags): New structure. (reset_cc_flags): New function. * passes.c (init_optimization_passes): Call reset_cc_flags after initializing referenced_vars. 2006-03-25 Uros Bizjak Roger Sayle PR middle-end/26717 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A to 1.0 for non-real operands. Implement A / A optimization for complex operands. 2006-03-25 H.J. Lu * config/i386/i386.c (size_cost): Correct the comment for cost of storing fp registers. (i386_cost): Likewise. (i486_cost): Likewise. (pentium_cost): Likewise. (pentiumpro_cost): Likewise. (k6_cost): Likewise. (athlon_cost): Likewise. (k8_cost): Likewise. (pentium4_cost): Likewise. (nocona_cost): Likewise. (generic64_cost): Likewise. (generic32_cost): Likewise. 2006-03-24 Denis Chertykov * config/avr/avr-protos.h (extra_constraint): Delete. (extra_constraint_Q): New declaration. * config/avr/constraints.md: New file. * config/avr/avr.md: Include it. (REG_X, REG_Y, REG_Z, REG_W): New constants. (TMP_REGNO, ZERO_REGNO): Likewise. (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise. * config/avr/avr.c (avr_reg_class_from_letter): Delete. (extra_constraint): Delete. (extra_constraint_Q): Test for memory constraint 'Q'. * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete. (REG_CLASS_FROM_LETTER): Delete. (CONST_OK_FOR_LETTER_P): Delete. (CONST_DOUBLE_OK_FOR_LETTER_P): Delete. (EXTRA_CONSTRAINT): Delete. (TMP_REGNO): Delete. (ZERO_REGNO): Delete. 2006-03-24 Jeff Law * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt directly. Call mark_new_vars_to_rename slightly earlier. 2006-03-24 Geoffrey Keating * dwarf2out.c (is_c_family): Understand new DWARF3 language types. (is_cxx): Likewise. (gen_compile_unit_die): Use new language types for Objective-C and Objective-C++. (dwarf2out_decl): Use is_cxx rather than testing explicitly against DW_LANG_C_plus_plus. PR 26793 * config/t-darwin (crt3.o): Work around bug 26840. * config/darwin-crt3.c: Rewrite. * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o. 2006-03-24 Carlos O'Donell * doc/invoke.texi: Document -femit-class-debug-always * common.opt: Add -femit-class-debug-always. 2006-03-24 Andreas Krebbel * config/s390/s390.c (s390_decompose_address): Allow SImode for index and base register. (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p, print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with REGNO_OK_FOR_INDEX_P. * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with ADDR_REGNO_P. (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P, REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Definitions removed. 2006-03-24 Jakub Jelinek PR middle-end/26611 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit set yet or weren't marked as local yet. 2006-03-24 Bernd Schmidt * regrename.c (scan_rtx_address): Initialize a variable to shut up the compiler. 2006-03-24 Eric Botcazou * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare. (rs6000_legitimate_small_data_p): Delete. * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate. (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p and make static. Add forward declaration. Update uses. (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead of offsettable_memref_p. * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix. Use rs6000_offsettable_memref_p instead of a less accurate predicate. 2006-03-24 Jeff Law * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work around bug in immediate-use iterator. 2006-03-24 Alan Modra PR target/26607 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__ or __LITTLE_ENDIAN__. 2006-03-23 J"orn Rennecke * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files. * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant. * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table. * config/sh/sh.opt (mdiv=): Amend description. * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro. (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise. (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1, SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC. (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1. Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros. * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns. (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE / TARGET_DIVIDE_CALL_FP. 2006-03-23 Maxim Kuvyrkov * haifa-sched.c (choose_ready): Fix type of the local variable. Move local variables. Add comment. (check_reg_live): Change signature. Make callable from debugger. * sched-int.h (check_reg_live): Update signature. * sched-ebb.c (check_reg_live): Update parameters. * sched-rgn.c (check_reg_live): Ditto. (region_head_or_leaf_p): Check pointer before dereferencing. * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation before reload on optimization levels below 1. 2006-03-23 Richard Henderson * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject tls symbols. PR target/26347 * config/alpha/predicates.md (local_symbolic_operand): Reject weak symbols. 2006-03-23 Andrew Pinski PR tree-opt/26795 * tree-ssa-pre.c (create_value_expr_from): Don't reject expressions which have overflowed constants. 2006-03-23 Zdenek Dvorak * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note. 2006-03-23 Zdenek Dvorak * cfgloopmanip.c (create_loop_notes): Removed. * final.c (final_scan_insn): Do not handle loop notes. * jump.c (squeeze_notes): Ditto. * cfglayout.c (skip_insns_after_block, duplicate_insn_chain): Ditto. * cfgcleanup.c (rest_of_handle_jump2): Do not call create_loop_notes. * cfgloop.h (create_loop_notes): Declaration removed. 2006-03-23 Richard Sandiford * varasm.c (output_constant_pool): Restore fnname and fndecl arguments. (assemble_start_function): Adjust call accordingly. (assemble_end_function): Likewise. 2006-03-22 Volker Reichelt PR mudflap/26789 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects. PR mudflap/26790 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node. 2006-03-22 Volker Reichelt PR driver/22600 * system.h (ICE_EXIT_CODE): New macro. * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE. (diagnostic_action_after_output): Likewise. * gcc.c (fatal_ice): New function. (execute): Use it instead of fatal. (fancy_abort): Likewise. * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs. 2006-03-22 Jeff Law * loop-unroll.c (analyze_iv_to_split_insn): Handle iv_analyze_result returning false. 2006-03-22 Jie Zhang * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove. 2006-03-22 Richard Henderson PR middle-end/26084 * except.c (duplicate_eh_regions_0): New. (duplicate_eh_region_1): Duplicate the children of the node as well as the node itself. Link them up properly. (duplicate_eh_region_2): Merge into ... (duplicate_eh_regions): ... here. Take copy_region argument, and copy only a sub-tree if asked. Simplify copying and fixup. (eh_region_outer_p): New. * except.h (duplicate_eh_regions): Update decl. (eh_region_outer_p): Declare. * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN. (lower_omp_master): Likewise. (lower_omp_ordered): Likewise. * tree-cfg.c (struct move_stmt_d): Add new_label_map. (move_stmt_r): Use it to remap labels. Handle recursion vs remap_decls_p properly. (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR. (find_outermost_region_in_block): New. (new_label_mapper): New. (move_sese_region_to_fn): Copy eh information to the new function properly. * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions argument. * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region number. 2006-03-22 Richard Sandiford * doc/md.texi (-mshared): Mention that -mshared code can be linked into shared libraries. 2006-03-22 Richard Sandiford * doc/md.texi: Refer to i386/constraints.md instead of i386/predicates.md. * config/i386/constraints.md: New file, extracted from... * config/i386/predicates.md: ...here. * config/i386/i386.md: Include constraints.md. 2006-03-21 Jason Merrill * builtins.c (expand_builtin_fork_or_exec): Fix pasto. PR middle-end/20297 * expr.c (init_block_move_fn): Force default visibility. (init_block_clear_fn): Likewise. * builtins.c (expand_builtin_fork_or_exec): Likewise. * targhooks.c (default_external_stack_protect_fail): Likewise. 2006-03-21 Richard Sandiford * config/mips/predicates.md (const_call_insn_operand): Allow direct calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS. * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS. Use TARGET_OLDABI instead of !TARGET_NEWABI. (loadgp): Use mips_current_loadgp_style. (loadgp_noshared): New pattern. (sibcall_internal): Use MIPS_CALL. (sibcall_value_internal): Likewise. (sibcall_value_multiple_internal): Likewise. (call_internal): Likewise. (call_value_internal): Likewise. (call_value_multiple_internal): Likewise. (call_split): Use MIPS_CALL and add an 'S' constraint. (call_value_split): Likewise. (call_value_multiple_split): Likewise. * config/mips/mips.opt (-mabicalls): Tweak docstring. (-mshared): New option. * config/mips/mips-protos.h (mips_loadgp_style): New enum. (mips_current_loadgp_style): Declare. * config/mips/mips.c (mips_classify_symbol): Avoid using SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS. (override_options): Adjust comments. Improve the warning that is issued when -mabicalls and -G are used together. (mips_file_start): Remove comment. (mips_current_loadgp_style): New function. (mips_gnu_local_gp): New variable. (mips_emit_loadgp): Use mips_current_loadgp_style. Handle LOADGP_ABSOLUTE. (mips_output_function_prologue): Use mips_current_laodgp_style. (mips_expand_prologue): Call mips_emit_loadgp before emitting the cprestore instruction. (mips_extra_live_on_entry): Fix reversed test. Don't make $25 live for TARGET_ABSOLUTE_ABICALLS. * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro. (ASM_SPEC): Pass down -mshared and -mno-shared. (MIPS_CALL): New macro. * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__ definition. * doc/invoke.texi (-mabicalls): Update documentation. (-mshared): Document. 2006-03-21 Steve Ellcey * config/ia64/unwind-hpux.c: New file. * config/ia64/t-hpux: Add unwind-hpux.c to libgcc. 2006-03-21 Steve Ellcey PR libgomp/26384 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options. 2006-03-21 Jeff Law * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for type conversions of a VR_VARYING source to a wider type. 2006-03-21 Eric Botcazou * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to tm_file on Solaris 10 and later. (sparc64-*-solaris2*): Likewise. (sparc-*-solaris2*): Likewise. * config/sol26.h: Rename to config/sol2-6.h. * config/sol2-10.h: New file. 2006-03-21 Andrew Pinski PR tree-opt/26781 * tree-ssa-pre.c (create_component_ref_by_pieces): Handle STRING_CST. 2006-03-21 Jakub Jelinek PR c++/26690 * tree.c (get_callee_fndecl): If CALL is error_mark_node, return it immediately. 2006-03-21 Michael Matz * genautomata.c (, num_out_arcs, presence_signature): New members. (remove_arc, add_arc): Update num_out_arcs member. (set_out_arc_insns_equiv_num): Returns nothing instead of number of out arcs. (cache_presence): New function. (compare_states_for_equiv): New function. (state_is_differed): Don't take number of outargs, adjust callers. Use new invariant for speeding up. (init_equiv_class): Create initial classes based on sorted input. (partition_equiv_class): Don't track out_arcs_num. (evaluate_equiv_classes): Call cache_presence on all states and sort them. 2006-03-21 Bernd Schmidt * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare. * config/bfin/bfin.c (bfin_dsp_memref_p): New function. (bfin_valid_reg_p): Test for pseudos explicitly and use only REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all callers changed. * config/bfin/bfin.h (PREG_P): Use P_REGNO_P. (IREG_P, P_REGNO_P, I_REGNO_P): New macros. (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS. (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete macros. (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS, REGNO_MODE_CODE_OK_FOR_BASE_P): New macros. (REGNO_REG_CLASS): ARGP is in PREGS. * config/bfin/bfin.md (movhi_insn): Allow for addresses containing IREGS. (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split to deal with those addresses. * addresses.h: New file. * caller-save.c: Include "addresses.h". (init_caller_save): Use new base_reg_class function. * rtl-factoring.c: Include "addresses.h". (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1. * recog.c: Include "addresses.h". (preprocess_constraints): Use new base_reg_class function. * regrename.c: Include "addresses.h". (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class functions. Keep track of a new var INDEX_CODE to compute valid classes. (replace_oldest_value_addr): Likewise. (replace_oldest_value_mem): Use base_reg_class. * reload.c: Include "addresses.h". (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros. (find_reloads): Use new base_reg_class function. (find_reloads_address): Likewise; also use regno_ok_for_base_p. (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE; all callers and prototype changed. * reload1.c: Include "addresses.h". (maybe_fix_stack_asms): Use base_reg_class. * regclass.c: Include "addresses.h". (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions. (init_reg_autoinc): Use new base_reg_class function. (record_reg_classes): Likewise. (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE, OUTER_CODE and INDEX_CODE. All callers and prototype changed. Use new args to compute necessary class. * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o, regrename.o, rtl-factoring.o): Update dependencies. * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document. (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise. (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P, REG_OK_FOR_INDEX_P): Delete documentation. 2006-03-21 Alexey Starovoytov * config.gcc (sparc-*-solaris2*): Change the default CPU setting from V7 to V9 for Solaris 7 and above. 2006-03-21 Toon Moene * doc/invoke.texi: Document new flag -fargument-noalias-anything. * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2, argument pointers may not alias any other storage. * common.opt: Define option -fargument-noalias-anything. * tree-ssa-structalias.c (intra_create_variable_infos): Fortran alias semantics is specified by flag_argument_noalias > 2. 2006-03-20 Jeff Law * tree-pass.h (pass_phi_only_copy_prop): Delete. (pass_phi_only_cprop): Declare. * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop with phi_only_cprop * tree-ssa-dom.c (degenerate_phi_result): New function. (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise. (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise. (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise. (eliminate_degenerate_phis): Likewise. (pass_phi_only_cprop): New pass descriptor. * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and support code. Callers updated. (execute_copy_prop, do_copy_prop): Likewise and corresponding changes. (store_copy_prop): Likewise. (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove. 2006-03-20 Jason Merrill PR c++/21764 * c-pragma.c (visstack): Move out of handle_pragma_visibility. (push_visibility, pop_visibility): Likewise. * c-pragma.h: Declare them. 2006-03-20 Kaz Kojima * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target. * config/sh/sh.c (find_regmode_weight): Change the type of the first parameter and use get_ebb_head_tail. (sh_md_init_global): Adjust uses of find_regmode_weight. 2006-03-20 Steven Bosscher * function.h (struct function) : Rename to x_stack_check_probe_note. (tail_recursion_reentry): Rename to stack_check_probe_note. * function.c: Replace tail_recursion_reentry with stack_check_probe_note everywhere. (expand_function_start): Only emit a note for stack_check_probe_note with -fstack-protect. * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes. * emit-rtl.c (remove_unnecessary_notes): Remove. (pass_remove_unnecessary_notes): Remove. * rtl.h (remove_unnecessary_notes): Remove prototype. * final.c (final_start_function): Don't call remove_unnecessary_notes. * tree-pass.h (pass_remove_unnecessary_notes): Remove. * passes.c (pass_remove_unnecessary_notes): Don't run it. 2006-03-20 Andrew Pinski PR tree-opt/26629 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands. (valid_in_set): Handle ARRAY_REF. Change "if min_variant or VH" to asserts. (create_component_ref_by_pieces): Handle ARRAY_REF. (create_expression_by_pieces): Likewise. (can_PRE_operation): ARRAY_REFs can now be PRE'd. 2006-03-20 David Edelsohn * genpreds.c (write_insn_extra_address_constraint): Argument `c' is operand of switch, not str[0]. 2006-03-20 Alan Modra * config/rs6000/rs6000.c (rs6000_handle_option): Use TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too. 2006-03-19 David Edelsohn * genpreds.c (write_tm_preds_h): Add semicolon and newline at end of insn_extra_address_constraint declaration. 2006-03-19 David Edelsohn * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask. (no-sum-in-toc): Same. * config/rs6000/rs6000.c (rs6000_handle_option): Use new variables. * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set NO_FP_IN_TOC for -fPIC instead of mask. * config/rs6000/t-aix43 (T_ADAFLAGS): Delete. (BOOT_LDFLAGS): Delete. (LDFLAGS): Delete. * config/rs6000/t-aix52: Same. * config/rs6000/rs6000.md (store_multiple_power): Delete. (stmsi[345678]_power): New. 2006-03-17 Steve Ellcey * config/ia64/ia64.opt: Add empty line to end of file. 2006-03-17 Richard Guenther PR middle-end/26721 * builtins.c (get_pointer_alignment): For component style references adjust alignment to the component type alignment. Make sure to adjust alignment for component access of constants. 2006-03-17 David Edelsohn * config/rs6000/rs6000.md (strlensi): Emit barrier after unconditional jump. 2006-03-17 Paul Brook * doc/install.texi: Docuemnt --with-mode. * config.gcc: Add --with-mode for arm*-*-*. * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode". 2006-03-17 J"orn Rennecke * sh.c (max_labelno_before_reorg): New variable. (sh_reorg): Initialize it. (find_barrier): Check max_labelno_before_reorg before using label_to_alignment. Take length of explicit alignment insns into account. When seeing a UNSPECV_CONST_END, return it. * sh.c (fixup_mova): Set mode of affected label to QImode. (untangle_mova): New function. (find_barrier): Use it. Check mode of label before decrementing num_mova. (sh_reorg): Likewise. Set mode of all insns back to VOIDmode. * sh.c (MOVA_LABELREF): New macro. (mova_p, fixup_mova, sh_reorg): Use it. (find_barrier, sh_reorg): Don't count num_mova back to 0 unless ADDR_DIFF_VEC matches mova. 2006-03-17 Steven Bosscher * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument with ATTRIBUTE_UNUSED. 2006-03-17 Alexandre Oliva * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack pointer, instead of assuming it is possible to derive the correct args size from a call insn. 2006-03-16 Jan-Benedict Glaw * rtl.h (CONST_INT_P): Define. * config/vax/vax.c (print_operand_address): Use CONST_INT_P() instead of GET_CODE(x) == CONST_INT. (vax_rtx_costs): Likewise. (vax_output_int_move): Likewise. (vax_output_int_add): Likewise. (legitimate_constant_address_p): Likewise. (index_term_p): Likewise. * config/vax/vax.h (PRINT_OPERAND): Likewise. * config/vax/vax.md (and3): Likewise. (ashrsi3): Likewise. (extv): Likewise. (movstricthi): Likewise. (movstrictqi): Likewise. (rotrsi3): Likewise. (five unnamed insns): Likewise. 2006-03-16 Geoffrey Keating * doc/tm.texi (SDB and DWARF): Add extra parameter to ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables. * dwarf2asm.h (dw2_asm_output_offset): Add section parameter. * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter. Pass to ASM_OUTPUT_DWARF_OFFSET. * dwarf2out.c (debug_frame_section): New. (output_call_frame_info): Use debug_frame_section. Pass it to dw2_asm_output_offset. (output_die): Pass appropriate section to dw2_asm_output_offset. (output_compilation_unit_header): Likewise. (output_pubnames): Likewise. (output_aranges): Likewise. (enum dw_val_class): Break dw_val_class_lbl_offset into dw_val_class_lineptr and dw_val_class_macptr. (add_AT_lbl_offset): Delete. (add_AT_lineptr): New. (add_AT_macptr): New. (AT_lbl): Expect a lineptr or macptr. (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr. (attr_checksum): Likewise. (same_dw_val_p): Likewise. (size_of_die): Likewise. (value_format): Likewise. (output_die): Likewise. (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of add_AT_lbl_offset. * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter. * config/i386/i386.c (x86_file_start): Call darwin_file_start. * config/darwin-protos.h (darwin_file_start): New. (darwin_asm_output_dwarf_offset): New. * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter. * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call darwin_file_start. * config/darwin.c (darwin_emit_unwind_label): Don't output label if not EH section; simplify. (darwin_file_start): New. (darwin_asm_output_dwarf_offset): New. * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment, mark as 'debug'. (DEBUG_INFO_SECTION): Likewise. (DEBUG_ABBREV_SECTION): Likewise. (DEBUG_ARANGES_SECTION): Likewise. (DEBUG_MACINFO_SECTION): Likewise. (DEBUG_LINE_SECTION): Likewise. (DEBUG_LOC_SECTION): Likewise. (DEBUG_PUBNAMES_SECTION): Likewise. (DEBUG_STR_SECTION): Likewise. (DEBUG_RANGES_SECTION): Likewise. (FRAME_BEGIN_LABEL): Must start with 'L' in debug section. (ASM_OUTPUT_DWARF_OFFSET): New. 2006-03-16 Joseph S. Myers * config.gcc (tm_defines): Always add to previous value rather than replacing it. 2006-03-16 Richard Sandiford * config/mips/predicates.md (splittable_const_int_operand): New, split from move_operand. (splittable_symbolic_operand): New. (move_operand): Add commentary. Use splittable_const_int_operand. Inline mips_atomic_symbolic_constant_p. * config/mips/mips.md: Add combine splitters for handling moves of splittable_const_int_operands and splittable_symbolic_operands. * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete. (mips_split_symbol): Declare. (mips_move_integer): Declare. * config/mips/mips.c (mips_split_p): Make global. (TARGET_MIN_ANCHOR_OFFSET): Override default. (TARGET_MAX_ANCHOR_OFFSET): Likewise. (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise. (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise. (mips_offset_within_object_p): Handle block symbols. (mips_atomic_symbolic_constant_p): Delete. (mips_cannot_force_const_mem): Return false for constants that mips_legitimize_move can handle. (mips_use_blocks_for_constant_p): New function. (mips_split_symbol): Make global. (mips_move_integer): Likewise. Add a temporary register argument. (mips_legitimize_const_move): Use splittable_const_int_operand and splittable_symbolic_operand. (mips_use_anchors_for_symbol_p): New function. * config/mips/mips.h: Protect externs with !USED_FOR_TARGET. (mips_split_p): Declare. 2006-03-16 Richard Sandiford * config.gcc (mips64*-*-linux*): Keep existing tm_defines. (mips*-*-linux*): Likewise. 2006-03-16 Roger Sayle Daniel Speyer PR middle-end/18259 * tree-dump.c (dump_real): New function. (dequeue_and_dump) : Use it to dump FP constants. * Makefile.in (REAL_H): New macro for dependencies on real.h. (tree-dump.o): Add $(REAL_H) to the dependencies. 2006-03-16 Roger Sayle PR middle-end/21781 * real.c (real_from_string): If the mantissa is zero, don't bother parsing the exponent as the result should always be zero. 2006-03-16 Andreas Krebbel * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms. 2006-03-16 Maxim Kuvyrkov * config/ia64/ia64.c (stops_p): Added explicit initialization. (ia64_first_cycle_multipass_dfa_lookahead_guard_spec, ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn, ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global, ia64_sched_finish_global): New static functions to implement hooks from gcc_target.sched. (spec_check_no, max_uid, pending_data_specs): New static variables. (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p, ia64_spec_check_src_p): New static functions. (ia64_adjust_cost): Renamed to ia64_adjust_cost_2. (TARGET_SCHED_ADJUST_COST): Removed. (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK, TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, TARGET_SCHED_SET_SCHED_FLAGS): New macros. (update_set_flags, group_barrier_needed, set_src_needs_barrier): Fixed to handle speculation checks. (rtx_needs_barrier): Fixed to handle speculative loads and their checks. (ia64_variable_issue): Added code to count speculative loads and their checks. (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle speculative loads. (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): New enumerations. (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET): New constants. (ia64_ld_address_bypass_p): Fixed to handle speculative loads. (ia64_reorg): Reset stops_p to NULL after it is freed. * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA, UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants. (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f, chk_a. (data_speculative, control_speculative, check_load): New attributes. (mov_advanced, mov_speculative, mov_speculative_advanced, zero_extenddi2_advanced, zero_extenddi2_speculative, zero_extenddi2_speculative_advanced): New patterns for data and control speculative loads. (mov_clr, zero_extenddi2_clr): New patterns for check loads. (advanced_load_check_clr_, speculation_check_): New pattern for data and control speculation checks. (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr, ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr, reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes): Auxiliary definitions for the patterns. * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a, 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource constraints. (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition for speculation. (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i. * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f, 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a): New resource constraints. (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition for speculation. (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i. * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec, msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec, msched-in-control-spec, msched-ldc, msched-control-ldc, msched-spec-verbose, msched-prefer-non-data-spec-insns, msched-prefer-non-control-spec-insns, msched-count-spec-in-critical-path): New flags to tune speculative scheduling. * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec, msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec, msched-in-control-spec, msched-ldc, msched-control-ldc, msched-spec-verbose, msched-prefer-non-data-spec-insns, msched-prefer-non-control-spec-insns, msched-count-spec-in-critical-path): Document new flags. 2006-03-16 Maxim Kuvyrkov * target.h (struct spec_info_def): New opaque declaration. (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended, speculate_insn, needs_block_p, gen_check, first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags. * target-def.h (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK, TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in gcc_target.sched. (TARGET_SCHED): Use new macros. * rtl.h (copy_DEPS_LIST_list): New prototype. * sched-int.h (struct sched_info): Change signature of new_ready field, adjust all initializations. New fields: add_remove_insn, begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg, region_head_or_leaf_p. (struct spec_info_def): New structure declaration. (spec_info_t): New typedef. (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec, recovery_block, orig_pat. (glat_start, glat_end): New variables declaraions. (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT): New access macros. (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB, DETACH_LIFE_INFO, USE_GLAT. (enum SPEC_SCHED_FLAGS): New enumeration. (NOTE_NOTE_BB_P): New macro. (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block, attach_life_info, debug_spec_status, check_reg_live): New functions. (get_block_head_tail): Change signature to get_ebb_head_tail, adjust all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c, sched-ebb.c (get_dep_weak, ds_merge): Prototype functions from sched-deps.c . * ddg.c (get_block_head_tail): Adjust all uses. * modulo-sched.c (get_block_head_tail): Adjust all uses. (sms_sched_info): Initialize new fields. (contributes_to_priority): Removed. * haifa-sched.c (params.h): New include. (get_block_head_tail): Adjust all uses. (ISSUE_POINTS): New macro. (glat_start, glat_end): New global variables. (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data, nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header, old_last_basic_block, before_recovery, current_sched_info_var, rgn_n_insns, luid): New static variables. (insn_cost1): New function. Move logic from insn_cost to here. (find_insn_reg_weight1): New function. Move logic from find_insn_reg_weight to here. (reemit_notes, move_insn, max_issue): Change signature. (move_insn1): Removed. (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d, extend_bb): New static functions to support extension of scheduler's data structures. (generate_recovery_code, process_insn_depend_be_in_spec, begin_speculative_block, add_to_speculative_block, init_before_recovery, create_recovery_block, create_check_block_twin, fix_recovery_deps): New static functions to support generation of recovery code. (fix_jump_move, find_fallthru_edge, dump_new_block_header, restore_bb_notes, move_block_after_check, move_succs): New static functions to support ebb scheduling. (init_glat, init_glat1, attach_life_info1, free_glat): New static functions to support handling of register live information. (associate_line_notes_with_blocks, change_pattern, speculate_insn, sched_remove_insn, clear_priorities, calc_priorities, bb_note, add_jump_dependencies): New static functions. (check_cfg, has_edge_p, check_sched_flags): New static functions for consistancy checking. (debug_spec_status): New function to call from debugger. (priority): Added code to handle speculation checks. (rank_for_schedule): Added code to distinguish speculative instructions. (schedule_insn): Added code to handle speculation checks. (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes): Fixed to handle ebbs. (move_insn): Added code to handle ebb scheduling. (max_issue): Added code to use ISSUE_POINTS of instructions. (choose_ready): Added code to choose between speculative and non-speculative instructions. (schedule_block): Added code to handle ebb scheduling and scheduling of speculative instructions. (sched_init): Initialize new variables. (sched_finish): Free new variables. Print statistics. (try_ready): Added code to handle speculative instructions. * lists.c (copy_DEPS_LIST_list): New function. * sched-deps.c (extend_dependency_caches): New function. Move logic from create_dependency_caches to here. (get_dep_weak, ds_merge): Make global. * genattr.c (main): Code to output prototype for dfa_clear_single_insn_cache. * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros. (output_dfa_clean_insn_cache_func): Code to output dfa_clear_single_insn_cache function. * sched-ebb.c (target_n_insns): Remove. Adjust all users to use n_insns. (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs): Removed. (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb): New static variables. (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb, fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from struct sched_info. (ebb_sched_info): Initialize new fields. (get_block_head_tail): Adjust all uses. (compute_jump_reg_dependencies): Fixed to use glat_start. (schedule_ebb): Code to remove unreachable last block. (schedule_ebbs): Added code to update register live information. * sched-rgn.c (region_sched_info): Initialize new fields. (get_block_head_tail): Adjust all uses. (last_was_jump): Removed. Adjust users. (begin_schedule_ready, add_remove_insn, insn_points, extend_regions, add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p): Implement new hooks. (check_dead_notes1): New static function. (struct region): New fields: dont_calc_deps, has_real_ebb. (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros. (BB_TO_BLOCK): Fixed to handle EBBs. (EBB_FIRST_BB, EBB_LAST_BB): New macros. (ebb_head): New static variable. (debug_regions, contributes_to_priority): Fixed to handle EBBs. (find_single_block_regions, find_rgns, find_more_rgns): Initialize new fields. (compute_dom_prob_ps): New assertion. (check_live_1, update_live_1): Fixed to work with glat_start instead of global_live_at_start. (init_ready_list): New assertions. (can_schedule_ready_p): Split update code to begin_schedule_ready. (new_ready): Add support for BEGIN_CONTROL speculation. (schedule_insns): Fixed code that updates register live information to handle EBBs. (schedule_region): Fixed to handle EBBs. (init_regions): Use extend_regions and check_dead_notes1. * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY, PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters. * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK, TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC, TARGET_SCHED_SET_SCHED_FLAGS): Document. * doc/invoke.texi (max-sched-insn-conflict-delay, sched-spec-prob-cutoff): Document. 2006-03-16 Maxim Kuvyrkov * sched-int.h (struct haifa_insn_data): New fields: resolved_deps, inter_tick, queue_index. (struct sched_info): Change signature of init_ready_list field. Adjust all initializations. (RESOLVED_DEPS): New access macro. (ready_add): Remove prototype. (try_ready): Add prototype. * sched-rgn.c (init_ready_list): Use try_ready. (schedule_region): Initialize current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}. * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info. (init_ready_list): Use try_ready. (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority. * lists.c (remove_list_elem): Remove `static'. (remove_free_INSN_LIST_elem): New function. * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes. * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros. (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY): New constants. (readyp): New variable. (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready, change_queue_index, resolve_dep): New static functions. (try_ready): New function. Adjust callers in sched-rgn.c and sched-ebb.c to use it instead of ready_add. (clock_var): Move at the begining of file. (rank_for_schedule): Fix typo. (queue_insn): Add assertion. Handle QUEUE_INDEX. (ready_lastpos): Enforce assertion. (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument, update all callers. (ready_remove_first, ready_remove): Handle QUEUE_INDEX. (schedule_insn): Rewrite to use try_ready and resolve_dep. (queue_to_ready): Use free_INSN_LIST_list. (early_queue_to_ready): Fix typo. (schedule_block): Init readyp. Move init_ready_list call after the initialization of clock_var. Fix error in rejecting insn by targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code that previously corrected INSN_TICKs. Add code for handling QUEUE_INDEX. (set_priorities): Fix typo. (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX. Clarify comment and code that keeps current_sched_info->next_tail non-null. 2006-03-16 Maxim Kuvyrkov * sched-rgn.c (extend_rgns): New static function. (find_rgns): Use it. (gather_region_statistics, print_region_statistics): New static functions. * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter. * doc/invoke.texi (max-sched-extend-regions-iters): Document. 2006-03-16 Maxim Kuvyrkov Andrey Belevantsev * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call. * lists.c (unused_deps_list): New variable. (free_list): Add assertions to verify the proper distinguishing between INSN_LISTs and DEPS_LISTs. (find_list_elem, remove_list_elem, remove_list_node): New static functions. (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node, remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem, remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions. (alloc_INSN_LIST): Assert that the list we're working on is indeed an INSN_LIST. (free_INSN_LIST_node): Likewise. * modulo-sched.c (current_sched_info): Initialize flags field. * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT. * rtl.def (DEPS_LIST): Define. * rtl.h: Declare new functions from lists.c. * sched-deps.c (spec_dependency_cache): New static variable. (maybe_add_or_update_back_dep_1, add_back_dep): New static functions. (add_dependence): Change return type to void. Move the logic to ... (add_or_update_back_dep_1): ... here. Handle speculative dependencies. (delete_all_dependences): Add comment about forward_dependency_cache. Handle spec_dependency_cache. Handle DEPS_LISTs. (fixup_sched_groups): Clarify the change of priority of output and anti dependencies. (sched_analyze_2): Adjust add_dependence calls to create data speculative dependence. (add_forward_dependence): Renamed to add_forw_dep, change prototype. Adjust all callers. Handle DEPS_LISTS. (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in presence of speculation. (init_dependency_caches, free_dependency_caches): Handle spec_dependency_cache. (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep, estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status): New static functions. (add_or_update_back_dep, add_or_update_back_forw_dep, add_back_forw_dep, delete_back_forw_dep): New functions. * sched-int.h (ds_t, dw_t): New typedefs. (struct sched_info): Add new field flags. (struct haifa_insn_data): Add new bitfield has_internal_dep. Prototype new sched-deps.c functions. (HAS_INTERNAL_DEP, DEP_STATUS): New access macros. (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK, MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA, BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC, SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE, SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP): New constants. (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS): New enums. * sched-rgn.c (current_sched_info): Initialize flags field. (schedule_insns): Initialize current_sched_info before the sched_init call. * sched-ebb.c (current_sched_info): Initialize flags field. (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P. Call add_or_update_back_dep instead of add_dependence. Create control speculative dependencies. (schedule_insns): Initialize current_sched_info before the sched_init call. 2006-03-16 Kaz Kojima * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set fs->signal_frame. (sh_fallback_frame_state): Likewise. 2006-03-15 Geoffrey Keating * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports. Do switch on default_use_cxa_atexit. (powerpc*-*-darwin*): Build crt2.o on powerpc. * config/darwin-crt3.o: New. * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use. (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate OS version. * config/rs6000/t-darwin: Move crt2.o building to here. * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update Mac OS version for using __cxa_get_exception_ptr. Don't test versions of __cxa_atexit. 2006-03-15 Jan-Benedict Glaw * config/vax/vax.c (nonindexed_address_p): Change logical negation from '! xxx' to '!xxx' for coding-style conformance. * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise. (EXTRA_CONSTRAINT): Likewise. * config/vax/vax.md (four unnamed insns): Likewise. 2006-03-15 Paul Brook * config/arm/arm.c (minipool_pad): New. (add_minipool_forward_ref): Include pool alignment padding in address calculation. (push_minipool_fix): Set minipool_pad. (minipool_pad): Ditto. 2006-03-15 Jan-Benedict Glaw * config/vax/vax.c (split_quadword_operands): Use MEM_P() instead of GET_CODE() == MEM and REG_P() instead of GET_CODE() == REG. (print_operand_address): Likewise. (vax_address_cost): Likewise. (vax_rtx_costs): Likewise. (vax_notice_update_cc): Likewise. (vax_output_int_add): Likewise. (INDEX_REGISTER_P): Likewise. (BASE_REGISTER_P): Likewise. (nonindexed_address_p): Likewise. (vax_mode_dependent_address_p): Likewise. * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise. (PRINT_OPERAND): Likewise. * config/vax/vax.md (ashlsi3): Likewise. (ashlsi3): Likewise. (some more unnamed insns): Likewise. 2006-03-15 Kazu Hirata * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an iterator-style macro. (mark_control_dependent_edges_necessary): Update the use of EXECUTE_IF_CONTROL_DEPENDENT. 2006-03-15 J"orn Rennecke * config/sh/predicates.md (cache_address_operand): Special. (ua_address_operand): Likewise. 2006-03-15 Zdenek Dvorak * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle loop notes. * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto. 2006-03-15 Andreas Schwab * gensupport.c (identify_predicable_attribute): Don't free p_false when it is still in use. 2006-03-15 Eric Botcazou * config.gcc (default with_cpu setting) : Do not modify the default setting here. 2006-03-14 Steven Bosscher * tree-pass.h (pass_cfg): Remove. * alias.c (rest_of_handle_cfg, pass_cfg): Remove. * passes.c (pass_cfg): Don't run it. 2006-03-14 Kazu Hirata * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h. * reg-stack.c (stack_regs_mentioned_data): Change the type to VEC(char,heap) *. (stack_regs_mentioned): Update the uses of stack_regs_mentioned_data. Don't access the array beyond its end. (reg_to_stack): Update the uses of stack_regs_mentioned_data. Don't include gt-reg-stack.h. * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove. * system.h (UNALIGNED_WORD_ASM_OP): Poison. * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove. PR middle-end/26684 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef STACK_REGS. 2006-03-14 John David Anglin * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo. 2006-03-14 Richard Guenther PR tree-optimization/26672 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in SSA form. 2006-03-14 Richard Guenther PR tree-optimization/26667 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct node for the callees. Always allow inlining if it will shrink the function size. 2006-03-14 Richard Guenther PR middle-end/26659 * builtins.c (get_pointer_alignment): Prefer alignment information from decls over that from types. 2006-03-14 Andrew Pinski PR target/26657 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp. 2006-03-14 Joseph S. Myers * config/rs6000/rs6000.opt (mdlmzb): New option. (msched-prolog, msched-epilog): Use Var not Mask. * doc/invoke.texi (-mdlmzb): Document. * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove MASK_SCHED_PROLOG. (rs6000_override_options): Enable -mdlmzb for 405 and 440. * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440. 2006-03-13 Uttam Pawar PR rtl-optimization/25739 * bt-load.c (augment_live_range): Free tos pointer. * gensupport.c (identify_predicable_attribute): Free p_false pointer. * gcov.c (create_file_names): Free name pointer. 2006-03-13 Roger Sayle PR middle-end/26557 * stmt.c (emit_case_nodes): Handle the case where the index is a CONST_INT, where the comparison mode is specified by the index type. 2006-03-13 John David Anglin * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O is defined. 2006-03-13 Richard Sandiford * config/mips/mips.md (*branch_fp): Use %Z2 for the condition. (*branch_fp_inverted): Likewise. 2006-03-13 Jakub Jelinek PR middle-end/25989 * omp-low.c (expand_omp_for_generic): Mark istart0 and iend0 as addressable. 2006-03-13 Jie Zhang * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC. 2006-03-13 Jeff Law * tree-vrp.c (stmt_interesting_for_vrp): Some statements with virtual operands are interesting. (vrp_visit_stmt): Corresponding changes. 2006-03-13 Bernd Schmidt * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents of RETS. * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__. * config/bfin/crti.S: Use it instead of __PIC__. * config/bfin/crtn.S: Likewise. * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol, call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY, not if flag_pic. Lose 'G' modifier for call operand. * config/bfin/bfin.c (print_operand) : Don't recognize 'G' modifier. 2006-03-13 Eric Botcazou PR middle-end/18859 * gimplify.c (gimplify_switch_expr): Discard empty ranges. * stmt.c (expand_case): Likewise. 2006-03-13 Zdenek Dvorak PR rtl-optimization/26254 * loop-invariant.c (seq_insns_valid_p): New function. (move_invariant_reg): Only emit new code if it is valid. 2006-03-13 Zdenek Dvorak * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p): Removed. (force_nonfallthru_and_redirect): Do not use last_loop_beg_note. (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p. (commit_one_edge_insertion): Do not look for loop notes. 2006-03-13 Zdenek Dvorak * jump.c (follow_jumps): Do not check for loop notes. Move check for flag_test_coverage out of loop. 2006-03-13 Zdenek Dvorak * final.c (shorten_branches): Remove outdated comment, and turn the if branch that guards it to continue. 2006-03-13 Zdenek Dvorak * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field. * cfgloop.h (struct loop): Remove unused fields. 2006-03-13 Kazu Hirata * doc/invoke.texi (-fdump-rtl-loop): Remove. (-dL, -fdump-rtl-loop2): Update the dump file names * doc/invoke.texi: Update dump file names. 2006-03-12 Steven Bosscher * predict.c (estimate_probability): Remove. * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove. * basic-block.h (estimate_probability): Remove prototype. * passes.c (finish_optimization_passes): Dump branch prediction or profiling heuristics to the .profile tree dump. (init_optimization_passes): Unqueue pass_branch_prob. * doc/invoke.texi (-fdump-rtl-bp): Remove. 2006-03-11 Steven Bosscher * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF. * rtl.h (LABEL_NEXTREF): Remove field accessor. 2006-03-11 Eric Botcazou * function.h (frame_offset_overflow): Declare. * function.c (frame_offset_overflow): New function. (assign_stack_local_1): Call it to detect that the offset overflows. * cfgexpand.c (alloc_stack_frame_space): Likewise. 2006-03-11 Steven Bosscher * config/sh/sh.c: Include alloc-pool.h. (label_ref_list_pool): New alloc pool. (label_ref_list_t): New type for lists of labels. (struct pool_node): Make wend a label_ref_list_t. (add_constant): Use the new type, eradicate LABEL_NEXTREF references. (dump_table): Likewise. (sh_reorg): Set up the alloc pool before using add_constant and dump_table, and destroy it when finishing. 2006-03-11 Richard Sandiford * config/mips/mips.c: Remove redundant comment. 2006-03-10 Jason Merrill PR c/26004 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if the target was declared 'register'. 2006-03-10 Adam Nemet * genpreds.c (write_insn_constraint_len): Change definition of insn_constraint_len to return size_t to match the declaration. 2006-03-10 DJ Delorie * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers start at zero. (m32c_expand_insv): Fix test for an AND mask. 2006-03-10 Richard Guenther PR middle-end/26565 * builtins.c (get_pointer_alignment): Handle component references for field alignment. 2006-03-10 J"orn Rennecke * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h when building with libgloss. (sh*elf): Implement --without-fp option. (sh64-superh-linux*): Don't multilib. 2006-03-10 J"orn Rennecke * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case. 2006-03-09 Andrew Pinski * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable. Set it when one of the replacement functions returned true. Return TODO_cleanup_cfg if cfgchanged is true. (pass_phiopt) : Remove TODO_cleanup_cfg. 2006-03-09 Adam Nemet * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate instead of gen_lowpart. 2006-03-09 Richard Sandiford * config/mips/mips-protos.h (mips_output_conditional_branch): Change interface. (mips_output_order_conditional_branch): Declare. * config/mips/mips.h (MIPS_BRANCH): New macro. * config/mips/mips.c (gen_conditional_branch): Use VOIDmode for the comparison. Use gen_condjump. (mips_output_conditional_branch): Rework interface to take the asm templates for a direct branch and the inverse of a direct branch. (mips_output_order_conditional_branch): New function. (mips_builtin_branch_and_move): New function. (mips_expand_builtin_compare): Use it. Use VOIDmode for the branch condition. Use gen_single_cc as the condition for __builtin_mips_upper_* or __builtin_mips_lower_*. (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move. Use VOIDmode for the branch condition. * config/mips/predicates.md (order_operator): New predicate. * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant. (branch_fp): Rename to... (*branch_fp): ...this. Remove mode from comparison operator. Use new mips_output_conditional_branch interface. (branch_fp_inverted): Rename to... (*branch_fp_inverted): ...this and update as for *branch_fp. (*branch_zero): Rename to... (*branch_order): ...this. Remove mode from comparison operator. Use mips_output_order_conditional_branch. Only accept ordered comparisons. (*branch_zero_inverted): Rename to... (*branch_order_inverted): ...this and update as for *branch_order. (*branch_equality): Accept zero as the second operand to the equality operator. Use the new mips_output_conditional_branch interface. (*branch_equality_inverted): Likewise. (condjump): New expander. * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison operator. * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise. (bc1any2t, bc1any2f): Likewise. (single_cc): New expander. (*branch_upper_lower, *branch_upper_lower_inverted): New patterns. 2006-03-09 Richard Sandiford * doc/md.texi: Update documentation of MIPS constraints. * config/mips/constraints.md: New file. * config/mips/mips.md: Include it. * config/mips/mips.c (mips_char_to_class): Delete. (override_options): Don't initialize mips_char_to_class. * config/mips/mips.h (mips_char_to_class): Delete. (REG_CLASS_FROM_LETTER): Delete. (CONST_OK_FOR_LETTER_P): Delete. (CONST_DOUBLE_OK_FOR_LETTER_P): Delete. (EXTRA_CONSTRAINT_Y): Delete. (EXTRA_CONSTRAINT_STR): Delete. (CONSTRAINT_LEN): Delete. (EXTRA_MEMORY_CONSTRAINT): Delete. 2006-03-09 Diego Novillo * tree-cfg.c (move_block_to_fn): Remove the statements from the original fn's eh regions. 2006-03-09 Eric Botcazou * fold-const.c (build_range_check): Make sure to use a valid type to apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)" transformation. (range_predecessor): New static function. (range_successor): Likewise. (merge_ranges): Use them to compute predecessors and successors of range bounds. 2006-03-09 Roger Sayle PR middle-end/26561 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as X op C3, consider whether C3 overflows towards +Inf or -Inf. 2006-03-08 DJ Delorie * config/m32c/addsub.md (addqi3): Disparage a0/a1. (addpsi3): Expand to include memory operands. Remove reload-specific splits. * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New. (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New. (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New. (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders. (shift1_qi, shift1_hi, insv): New. * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove. (cbranch4, stzx_16, stzx_24_, stzx_reversed, cmp, b, s, s_24, movqicc, movhicc, cond_to_int): New. * config/m32c/m32c-protos.h: Update as needed. * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1. Fail for unrecognized R* constraints. (m32c_cannot_change_mode_class): Be more picky about pseudos. (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00. (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)). Add Sp constraint. (m32c_init_libfuncs): New. (m32c_legitimate_address_p): Add debug wrapper. (m32c_rtx_costs): New. (m32c_address_cost): New. (conversions): Add 'B' prefix. (m32c_print_operand): 'h' and 'H' pick lower and upper halves of operands, or word regnames for QI operands. 'B' prints bit position. (m32c_expand_setmemhi): New. (m32c_expand_movmemhi): New. (m32c_expand_movstr): New. (m32c_expand_cmpstr): New. (m32c_prepare_shift): Shift counts are limited to 16 bits at a time. (m32c_expand_neg_mulpsi3): Handle non-ints. (m32c_cmp_flg_0): New. (m32c_expand_movcc): New. (m32c_expand_insv): New. (m32c_scc_pattern): New. * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take a0/a1 out of SIregs. (STORE_FLAG_VALUE): New. * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and code macros. (no_insn): New. * config/m32c/mov.md: Make constraints more liberal. (zero_extendqihi2): Optimize r0/r1 case. * config/m32c/muldiv.md (mulpsi3): Check for intvals. * config/m32c/predicates.md (m32c_any_operand): New. (m32c_nonimmediate_operand): New. (m32c_hl_operand): New. (m32c_r3_operand): New. (ap_operand): New. (ma_operand): New. (memsym_operand): New. (memimmed_operand): New. (a_qi_operand): New. (m32c_eqne_operator): New. (m32c_1bit8_operand): New. (m32c_1bit16_operand): New. (m32c_1mask8_operand): New. (m32c_1mask16_operand): New. * config/m32c/blkmov.md: New file. * config/m32c/t-m32c (MD_FILES): Add blkmov. 2006-03-08 Andreas Tobler * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum unsigned to fix signed/unsigned comparison issue in DWARF2_FRAME_REG_OUT. (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/ unsigned comparison issue in DWARF2_FRAME_REG_OUT. * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration of ptr into the ENABLE_CHECKING section. 2006-03-08 Jeff Law * tree-vrp.c (infer_value_range): Only count pointer uses and dereferences if -fdelete-null-pointer-checks is enabled. * tree-vrp.c (find_assert_locations): Infer value ranges for single use pointers, but do not create ASSERT_EXPRs for them. When a non-null range is inferred for a pointer, backwards propagate that range to other equivalent pointers through the use-def chain. 2006-03-08 Paolo Bonzini PR bootstrap/26500 * Makefile.in (dvi, html, install-info): Invoke the corresponding language hook targets. * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in: Create stub rules for dvi, html, install-info if language hook targets were missing. 2006-03-07 Zdenek Dvorak * tree-ssa-opfinalize.h: Removed. * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h dependency. * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h. (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST, INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op, add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops, finalize_ssa_v_must_def_ops): New. 2006-03-07 Kenneth Zadeck * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong block as parameter. 2006-03-07 Geoffrey Keating * varasm.c (assemble_end_function): Say that 'fnname' is unused. * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin addresses with offsets; reorganize. * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file. (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT. (expand_builtin_init_dwarf_reg_sizes): Likewise. 2006-03-08 David Billinghurst PR target/26588 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define. 2006-03-08 Ben Elliston * config/fp-bit.h (CMPtype): Typedef to a word mode integer. 2006-03-07 Aldy Hernandez PR gomp/26238 * doc/passes.texi (Tree-SSA passes): Document omp lowering and expansion. 2006-03-07 Richard Guenther PR tree-optimization/26587 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR. 2006-03-07 Richard Sandiford * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION. 2006-03-07 Richard Sandiford * hooks.c (hook_bool_mode_rtx_true): New function. * hooks.h (hook_bool_mode_rtx_true): Declare. * toplev.c (compile_file): Call output_shared_constant_pool. * varasm.c (shared_constant_pool): New variable. (assemble_start_function, assemble_end_function): Remove arguments from call to output_constant_pool. (create_constant_pool): New function, split out from... (init_varasm_status): ...here. (force_const_mem): Choose between the shared and per-function constant pools. Set current_function_uses_const_pool when reusing old entries as well as when creating new ones. (mark_constant): Ignore data argument. (mark_constants): Remove pool argument. (mark_constant_pool): Likewise. Use current_function_uses_const_pool to decide whether the function uses a constant pool. (output_constant_pool_contents): New function, split out from... (output_constant_pool): ...here. (output_shared_constant_pool): New function. (init_varasm_once): Initialize shared_constant_pool. * output.h (output_constant_pool): Delete. (output_shared_constant_pool): Declare. * config/s390/s390-protos.h (s390_output_constant_pool): Delete. * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override. 2006-03-06 Nick Clifton * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to flag_strength_reduce. 2006-03-06 Ben Elliston * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and x86_64-*-linux* configurations. * config/dfp-bit.h (CMPtype): Typedef to a word mode integer. (LIBGCC2_WORDS_BIG_ENDIAN): Define. 2006-03-05 Kazu Hirata * tree-ssa-threadupdate.c (rediscover_loops_after_threading): Remove. * basic-block.h: Remove the extern for rediscover_loops_after_threading. * cfgloop.c (cancel_loop): Make it static. * cfgloop.h: Remove the prototype for cancel_loop. * flow.c (recompute_reg_usage): Make it static. * rtl.h: Remove the prototype for recompute_reg_usage. * function.c (use_return_register): Make it static. * function.h: Remove the prototype. 2006-03-05 Kazu Hirata * recog.c (volatile_mem_p, validate_change_maybe_volatile): Remove. * recog.h: Remove the prototype for validate_change_maybe_volatile. 2006-03-05 Kazu Hirata * rtlanal.c (replace_reg): Remove. * rtl.h: Remove the prototype for replace_reg. 2006-03-05 Kazu Hirata * regclass.c (reg_scan_update): Remove. (reg_scan_mark_refs): Remove the last argument. * rtl.h: Remove the prototype for reg_scan_update. 2006-03-04 Kazu Hirata * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c, combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c, config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c, config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c, df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c, loop-invariant.c, omp-low.c, opts.c, passes.c, rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c, tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c, tree-ssa-structalias.c, tree-ssa-threadedge.c, tree-ssa-threadupdate.c, tree-vect-patterns.c, tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c, unwind-dw2.c: Fix comment typos. Follow spelling conventions. 2006-03-04 Kazu Hirata * dwarf2out.c (dwarf2out_add_library_unit_info): Remove. * dwarf2out.h: Remove the prototype for dwarf2out_add_library_unit_info. 2006-03-04 Kazu Hirata * tree.c (add_var_to_bind_expr): Remove. * tree.h: Remove the prototype for add_var_to_bind_expr. 2006-03-04 Kazu Hirata * regclass.c (n_non_fixed_regs): Remove. (init_reg_sets_1, globalize_reg): Remove all uses of n_non_fixed_regs. * hard-reg-set.h: Remove the extern for n_non_fixed_regs. 2006-03-04 Kazu Hirata * rtlanal.c (insns_safe_to_move_p): Remove. * rtl.h: Remove the prototype for insns_safe_to_move_p. 2006-03-04 Kazu Hirata * expmed.c (expand_mult_add): Remove. * expr.h: Remove the prototype for expand_mult_add. 2006-03-04 Jakub Jelinek * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP constants. * unwind-dw2.c (struct _Unwind_Context): Add by_value array. (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr): Handle regs stored by value. (_Unwind_SetGRValue, _Unwind_GRByValue): New functions. (execute_cfa_program): Handle DW_CFA_val_offset, DW_CFA_val_offset_sf and DW_CFA_val_expression. (uw_update_context_1): Handle REG_SAVED_REG with regs stored by value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP. (uw_install_context_1): Handle target regs stored by value. 2006-03-03 Daniel Berlin * tree-sra.c (tree_sra): Return todoflags; (generate_one_element): Set TODO_update_smt_usage if needed. (pass_sra): Remove TODO_update_smt_usage. * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some parameter. (tree_ssa_forward_propagate_single_use_vars): Return TODO_update_smt_usage if we need to update SMT usage. (pass_forwprop): Remove TODO_update_smt_usage. 2006-03-03 Diego Novillo * tree-ssa-operands.c: Tidy whitespace. Fix spelling. (correct_use_link): Remove reference to get_stmt_operands. (update_stmt_operands): Likewise. (get_modify_expr_operands): New function factored out of parse_ssa_operands and get_expr_operands. Try to create V_MUST_DEFs for LHS by default. (get_expr_operands) : Call get_modify_expr_operands. : Handle together with ARRAY_REF. : Clear opf_kill_def from FLAGS. (parse_ssa_operands) : Call get_modify_expr_operands. 2006-03-03 Kazu Hirata * tree-dfa.c (referenced_var_lookup_if_exists): Remove. * tree-flow.h: Remove the prototype for referenced_var_lookup_if_exists. 2006-03-03 Steve Ellcey PR rtl-optimization/26345 PR target/19061 * config/ia64/predicates.md (basereg_operand): Don't look in subregs. 2006-03-03 Roger Sayle PR tree-optimization/26524 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use fold_convert to create a constant of the appropriate type. 2006-03-03 Richard Sandiford * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P. * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead of SYMBOL_FLAG_IN_BLOCK. * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P. * explow.c (use_anchored_address): Likewise. * rtl.c (rtx_size): Likewise. * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO instead of SYMBOL_FLAG_IN_BLOCK. (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P. (assemble_variable): Likewise. (output_constant_def_contents): Likewise. (output_constant_pool): Likewise. (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO instead of SYMBOL_FLAG_IN_BLOCK. * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P. (SYMBOL_REF_BLOCK): Likewise. (SYMBOL_REF_OFFSET): Likewise. (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of SYMBOL_REF_IN_BLOCK_P. (SYMBOL_FLAG_IN_BLOCK): Replace with... (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this. (SYMBOL_REF_IN_BLOCK_P): Replace with... (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this. 2006-03-03 Jakub Jelinek * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto. 2006-03-02 Roger Sayle * simplify-rtx.c (simplify_unary_operation): When simplifying (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure that we perform the right shift in the appropriate mode, and then extend or truncate the result to requested mode. 2006-03-03 Zdenek Dvorak * gengtype.c (main): Handle double_int type. * tree.h (struct tree_int_cst): Make type of int_cst double_int. * double-int.c: New file. * double-int.h: New file. * system.h: Include doubleint.h. * Makefile.in (SYSTEM_H): Include double-int.h. (double-int.o): Add. 2006-03-03 Joseph S. Myers PR bootstrap/26478 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before copying over it. 2006-03-02 Zdenek Dvorak * tree-vrp.c (remove_range_assertions): Do not update statements unnecessarily. 2006-03-02 Zdenek Dvorak * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg cleanup. * gcse.c (rest_of_handle_gcse): Ditto. * except.c (gate_handle_eh): Ditto. * cfgcleanup.c (rest_of_handle_jump2): Ditto. * basic-block.h (CLEANUP_PRE_LOOP): Remove. 2006-03-02 Eric Christopher * config/i386/i386.c (machopic_output_stub): Add indirection to jump. 2006-03-02 Zdenek Dvorak * loop.c: Removed. 2006-03-02 David S. Miller Sun Niagara specific optimizations. * config.gcc: Recognize niagara as target. * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara. (TARGET_CPU_niagara): Define. (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara. (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara. (CPP_CPU_SPEC): Handle -mcpu=niagara. (ASM_CPU_SPEC): Likewise. (PROCESSOR_NIAGARA): New enum entry. (REGISTER_MOVE_COST): Handle Niagara. (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise. * config/sparc/sparc.c (niagara_costs): New processor_costs entry. (sparc_override_options): Recognize "niagara", set appropriate default MASK_* values for it, and align functions to 32-bytes by default just like ULTRASPARC/ULTRASPARC3. (sparc_initialize_trampoline): Handle niagara like ultrasparc. (sparc64_initialize_trampoline): Likewise. (sparc_use_sched_lookahead): Use zero for niagara. (sparc_issue_rate): Use one for niagara. * config/sparc/niagara.md: New file. * config/sparc/sparc.md: Include it. * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC, ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately when default cpu is niagara. (CPP_CPU_SPEC): Handle -mcpu=niagara. (ASM_CPU_SPEC): Likewise. * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately when default cpu is niagara. (ASM_CPU_SPEC): Handle -mcpu=niagara. * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara just like v9/ultrasparc/ultrasparc3. * doc/invoke.texi: Add documentation for "niagara" and improve existing documentation for ultrasparc variants. 2006-03-02 Diego Novillo * tree-ssa-operands.c (update_stmt_operands): Update documentation. 2006-03-02 Richard Sandiford * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document. (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS, and say that only one is needed. * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null. * target.h (have_switchable_bss_sections): New hook. * explow.c (use_anchored_address): Check that the symbol is in a block. * varasm.c (tls_comm_section, comm_section, lcomm_section) (bss_noswitch_section): New variables. (get_unnamed_section): Add SECTION_UNNAMED to the flags. (get_noswitch_section): New function. (get_block_for_section): Allow SECT to be null. (unlikely_text_section_p): Use SECTION_STYLE. (bss_initializer_p): New function. (get_variable_section): Move earlier in file. Take a new argument, prefer_noswitch_p. Move bss checks from assemble_variable to here. Return one of the new *_sections in such cases. (get_block_for_decl): New function, extracting some logic from use_blocks_for_decl_p. (change_symbol_section): Remove in favor of... (change_symbol_block): ...this new function. (use_blocks_for_decl_p): Remove checks now performed by get_block_for_decl. (make_decl_rtl): Use change_symbol_block and get_block_for_decl. (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of... (emit_local, emit_bss, emit_common): ...these new functions. Return true if the alignment was honored. (emit_tls_common): New function. (asm_emit_uninitialised): Delete. (assemble_variable_noswitch): New function, split out from... (assemble_variable): ...here. Don't make decisions about common variables here. Globalize all public decls that go into non-common sections. Check whether SYMBOL_REF_BLOCK is null. (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null. (output_constant_pool): Likewise. (init_varasm_once): Initialize the new section variables. (have_global_bss_p): New function. (categorize_decl_for_section): Use bss_initializer_p. (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH. (place_block_symbol): Assert that the symbol must be in a block. * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro. (TARGET_INITIALIZER): Include it. * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative. * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros. (SECTION_MACH_DEP): Bump by two. (SECTION_UNNAMED, SECTION_NOSWITCH): New macros. (unnamed_section): Mention SECTION_UNNAMED in comment. (named_section): Likewise SECTION_NAMED. (noswitch_section_callback): New type. (noswitch_section): New structure. (section): Add a noswitch_section alternative. (SECTION_STYLE): New macro. (tls_comm_section, comm_section, lcomm_section): Declare. (bss_noswitch_section, have_global_bss_p): Declare. * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override. * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override. * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override. * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override. 2006-03-02 Daniel Berlin * gcc/tree-vrp.c (execute_vrp): Return value. * gcc/regrename.c (rest_of_handle_regrename): Ditto. * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto. * gcc/tree-complex.c (tree_lower_complex): Ditto. (tree_lower_complex_O0): Ditto. * gcc/tracer.c (rest_of_handle_tracer): Ditto. * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto. * gcc/postreload.c (rest_of_handle_postreload): Ditto. * gcc/tree-tailcall.c (execute_tail_recursion): Ditto. (execute_tail_calls): Ditto. * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * gcc/tree.h (init_function_for_compilation): Ditto. * gcc/ipa-cp.c (ipcp_driver): Ditto. * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto. * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto. * gcc/final.c (compute_alignments): Ditto. (rest_of_handle_final): Ditto. (rest_of_handle_shorten_branches): Ditto. (rest_of_clean_state): Ditto. * gcc/omp-low.c (execute_expand_omp): Ditto. (execute_lower_omp): Ditto. * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto. * gcc/ipa-reference.c (static_execute): Ditto. * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto. * gcc/reorg.c (rest_of_handle_delay_slots): Ditto. (rest_of_handle_machine_reorg): Ditto. * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto. * gcc/flow.c (recompute_reg_usage): Ditto. (rest_of_handle_remove_death_notes): Ditto. (rest_of_handle_life): Ditto. (rest_of_handle_flow2): Ditto. * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto. * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto. (do_ssa_store_ccp): Ditto. (execute_fold_all_builtins): Ditto. * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto. * gcc/modulo-sched.c (rest_of_handle_sms): Ditto. * gcc/ipa-pure-const.c (static_execute): Ditto. * gcc/cse.c (rest_of_handle_cse): Ditto. (rest_of_handle_cse2): Ditto. * gcc/web.c (rest_of_handle_web): Ditto. * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto. * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto. * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto. * gcc/tree-nrv.c (tree_nrv): Ditto. (execute_return_slot_opt): Ditto. * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto. (create_structure_vars): Ditto. * gcc/loop-init.c (rtl_loop_init): Ditto. (rtl_loop_done): Ditto. (rtl_move_loop_invariants): Ditto. (rtl_unswitch): Ditto. (rtl_unroll_and_peel_loops): Ditto. (rtl_doloop): Ditto. * gcc/gimple-low.c (lower_function_body): Ditto. (mark_used_blocks): Ditto. * gcc/tree-ssa-sink.c (execute_sink_code): Ditto. * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto. (cgraph_early_inlining): Ditto. * gcc/global.c (rest_of_handle_global_alloc): Ditto. * gcc/jump.c (cleanup_barriers): Ditto. (purge_line_number_notes): Ditto. * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto. (rest_of_handle_if_after_reload): Ditto. * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto. (tree_ssa_loop_im): Ditto. (tree_ssa_loop_unswitch): Ditto. (tree_vectorize): Ditto. (tree_linear_transform): Ditto. (tree_ssa_loop_ivcanon): Ditto. (tree_ssa_empty_loop): Ditto. (tree_ssa_loop_bounds): Ditto. (tree_complete_unroll): Ditto. (tree_ssa_loop_prefetch): Ditto. (tree_ssa_loop_ivopts): Ditto. (tree_ssa_loop_done): Ditto. * gcc/predict.c (tree_estimate_probability): Ditto. * gcc/recog.c (split_all_insns_noflow): Ditto. (rest_of_handle_peephole2): Ditto. (rest_of_handle_split_all_insns): Ditto. * gcc/tree-eh.c (lower_eh_constructs): Ditto. * gcc/regmove.c (rest_of_handle_regmove): Ditto. (rest_of_handle_stack_adjustments): Ditto. * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto. * gcc/function.c (instantiate_virtual_regs): Ditto. (init_function_for_compilation): Ditto. (rest_of_handle_check_leaf_regs): Ditto. * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto. (rest_of_handle_gcse): Ditto. * gcc/ipa-type-escape.c (type_escape_execute): Ditto. * gcc/alias.c (rest_of_handle_cfg): Ditto. * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto. * gcc/profile.c (rest_of_handle_branch_prob): Ditto. * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto. * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto. * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto * gcc/tree-dfa.c (find_referenced_vars): Ditto. * gcc/except.c (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. (rest_of_handle_eh): Ditto. * gcc/emit-rtl.c (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. * gcc/except.h (set_nothrow_function_flags): Ditto. (convert_to_eh_region_ranges): Ditto. * gcc/cfgexpand.c (tree_expand_cfg): Ditto. * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto. * gcc/tree-ssa-pre.c (do_pre): Ditto. (execute_fre): Ditto. * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto. (rest_of_handle_jump2): Ditto. * gcc/tree-sra.c (tree_sra): Ditto. * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto. (execute_mudflap_function_decls): Ditto. * gcc/tree-ssa-copy.c (do_copy_prop): Ditto. (do_store_copy_prop): Ditto. * gcc/ipa-prop.h (ipcp_driver): Ditto. * gcc/cfglayout.c (insn_locators_initialize): Ditto. * gcc/tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): Ditto. * gcc/cfglayout.h (insn_locators_initialize): Ditto. * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto. * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto. (execute_late_warn_uninitialized): Ditto. * gcc/rtl.h (cleanup_barriers): Ditto. (split_all_insns_noflow): Ditto. (purge_line_number_notes): Ditto. (unshare_all_rtl): Ditto. (remove_unnecessary_notes): Ditto. (recompute_reg_usage): Ditto. (variable_tracking_main): Ditto. * gcc/integrate.c (emit_initial_value_sets): Ditto. * gcc/integrate.h (emit_initial_value_sets): Ditto. * gcc/tree-optimize.c (execute_free_datastructures): Ditto (execute_free_cfg_annotations): Ditto. (execute_fixup_cfg): Ditto. (execute_cleanup_cfg_pre_ipa): Ditto. (execute_cleanup_cfg_post_optimizing): Ditto. (execute_init_datastructures): Ditto. * gcc/tree-object-size.c (compute_object_sizes): Ditto. * gcc/combine.c (rest_of_handle_combine): Ditto. * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto. * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto. (rest_of_handle_reorder_blocks): Ditto. (rest_of_handle_partition_blocks): Ditto. * gcc/var-tracking.c (variable_tracking_main): Ditto. * gcc/tree-profile.c (tree_profiling): Ditto. * gcc/tree-vect-generic.c (expand_vector_operations): Ditto. * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto. * gcc/sched-rgn.c (rest_of_handle_sched): Ditto. (rest_of_handle_sched2): Ditto. * gcc/basic-block.h (free_bb_insn): Ditto. * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto. * gcc/tree-cfg.c (execute_build_cfg): Ditto. (remove_useless_stmts): Ditto. (split_critical_edges): Ditto. (execute_warn_function_return): Ditto. (execute_warn_function_noreturn): Ditto. * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto. * gcc/cfgrtl.c (free_bb_for_insn): Ditto. * gcc/passes.c (execute_one_pass): Run additional todos returned by execute function. * gcc/tree-pass.h (struct tree_opt_pass): Make execute return a value. 2006-03-02 Richard Guenther * tree-ssa-alias.c (find_used_portions): Consider taking the address as making the variable not write-only. 2006-03-02 Nick Clifton * config.gcc (default_use_cxa_atexit): Extend the description of this configure variable. Set its default value to "yes" for Linux, NetBSD and ELF targets on the assumption that they will use C libraries with the __cxa_atexit function. 2006-03-02 Ben Elliston * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs' parameter as unused to suppress a build warning. 2006-03-02 Ben Elliston * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile config/dfp-bit.c. 2006-03-01 Roger Sayle PR other/26489 * gthr-posix.h (__gthrw2): Define to take three parameters, the declared name, the weak reference name, and the typeof name. (__gthrw): Avoid expanding the declared name suffix. (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls. 2006-03-01 Jakub Jelinek * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants from DWARF 3. (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale, DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count, DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled, DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity, DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New. (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New. (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited, DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New. (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch, DW_DS_leading_separate, DW_DS_trailing_separate): New. (DW_END_default, DW_END_big, DW_END_little): New. (DW_END_lo_user, DW_END_hi_user): Define. (DW_LNE_lo_user, DW_LNE_hi_user): Define. (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New. (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC, DW_LANG_D): New. 2006-03-01 Diego Novillo * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG. Update all users. * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage. Update all users. (TODO_update_smt_usage): Rename from TODO_update_tmt_usage. Update all users. * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE. Update all users. * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag' to 'symbol_mem_tag'. Update all users. * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT rename. 2006-03-01 Roger Sayle * builtins.c (fold_builtin_copysign): Delete unreachable code. 2006-03-01 Andrew Pinski PR target/25761 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just MACHO_DYNAMIC_NO_PIC_P. (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P. 2006-03-01 Andrew Pinski PR target/26389 * config/darwin-protos.h (darwin_asm_output_anchor): Declare. * config/darwin-sections.def (cstring_section): Add SECTION_MERGE to the flags. (literal4_section): Likewise. (literal8_section): Likewise. (objc_selector_refs_section): Likewise. (objc_cls_refs_section): Likewise. * config/darwin.c (darwin_asm_output_anchor): New function. * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define. 2006-03-01 Daniel Berlin Fix PR tree-optimization/26443 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage to todo and PROP_tmt_usage to properties_destroyed. * tree-ssa-ccp.c (pass_ccp): Ditto. (pass_store_ccp): Ditto. * tree-ssa-dom.c (pass_dominator): Ditto. 2006-03-01 Diego Novillo * tree-ssa-operands.c: Cleanup whitespace. (get_asm_expr_operands): Move before first invocation. (get_indirect_ref_operands): Likewise. (get_tmr_operands): Likewise. (get_call_expr_operands): Likewise. (append_def): Likewise. (append_use): Likewise. (append_v_may_def): Likewise. (append_v_must_def): Likewise. (add_call_clobber_ops): Likewise. (add_call_read_ops): Likewise. (add_stmt_operand): Likewise. (add_virtual_operand): Likewise. (build_ssa_operands): Likewise. 2006-03-01 Andrew Pinski PR middle-end/26022 Revert: PR middle-end/24437 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF with a call expr to ... * fold-const.c (fold_ternary) : Here. 2006-03-01 Diego Novillo * tree-vrp.c (extract_range_from_assert): Remove special handling for types with super-types. 2006-03-01 Ben Elliston * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux* and powerpc64-*-linux* configurations. * config/t-dfprules: New file. * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS. Compile dfp-bit.c from the source directory using -DWIDTH and $DFP_CFLAGS to control the compilation of that file, rather than generating width-specific versions in the build directory. * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS. (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc]. 2006-02-28 Zack Weinberg * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7 continues to work. 2006-02-28 Eric Christopher * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define. Set up IN_LIBGCC definition of TARGET_64BIT. * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define. 2006-02-28 Roger Sayle PR middle-end/14752 * c-common.c (c_common_truthvalue_conversion) : Delete. Let fold optimize these cases via the construction of "expr != 0". 2006-02-28 Steven Bosscher * alias.c (alias_invariant, alias_invariant_size): Remove. (record_base_value): Remove. (memrefs_conflict_p): Don't look at alias_invariant. (end_alias_analysis): Don't free it. * alias.h (record_base_value): Remove prototype. 2006-02-28 Paolo Bonzini Adam Nemet * rtl.h (truncated_to_mode): Declare it. (struct rtl_hooks): Add reg_truncated_to_mode hook. * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro. (RTL_HOOKS_INITIALIZER): Include it. * rtlhooks.c (reg_truncated_to_mode_general): New function. * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to reg_truncated_to_mode. * rtlanal.c (truncated_to_mode): Define it. * simplify-rtx.c (simplify_unary_operation_1): Use it. 2006-02-28 Jeff Law * tree-chrec.c (chrec_convert_aggressive): Do not eliminate conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover the range allowed by TYPE_PRECISION. * tree.h (strct phi_arg_d): Remove unused NONZERO field. 2006-02-28 Dorit Nuzman PR tree-optimization/26419 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on values of n. 2006-02-27 Zack Weinberg * doc/md.texi: Fix typo in previous change. 2006-02-27 Kenneth Zadeck * df.c: Remove. 2006-02-27 Zack Weinberg * rtl.def (define_constraint, define_register_constraint) (define_memory_constraint, define_address_constraint): New MD forms. * gensupport.c (process_rtx): Put define_constraint etc on the predicate queue. * genpreds.c (process_define_predicate): Adjust comment. Validate the name, and call validate_exp to validate the expression. (mark_mode_tests, write_extract_subexp): Can assume correct input. (write_predicate_expr): Likewise. NAME argument no longer necessary; all callers changed. (validate_exp, needs_variable, struct constraint_data) (constraints_by_letter_table, first_constraint, last_constraint_ptr) (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints) (const_dbl_constraints, constraint_max_namelen) (have_register_constraints, have_memory_constraints) (have_address_constraints, have_address_constraints) (have_extra_constraints, have_const_int_constraints) (have_const_dbl_constraints, mangle, add_constraint) (process_define_constraint, process_define_register_constraint) (write_enum_constraint_num, write_lookup_constraint) (write_insn_constraint_len, write_regclass_for_constraint) (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint) (write_insn_extra_memory_constraint) (write_insn_extra_address_constraint) (write_satisfies_constraint_fns): New. (write_tm_preds_h): If we have new-style constraint definitions, prototype the functions generated from them, and define the old constraint interface (still used by generic code) in terms of those functions. (write_insn_preds_c): If we have new-style constraint definitions, generate all relevant functions from those definitions. (main): Handle define_constraint etc. * genoutput.c (struct constraint_data, indep_constraints) (mdep_constraint_letters, constraints_by_letter_table, note_constraint) (mdep_constraint_len): New data structures and functions, defined #ifdef USE_MD_CONSTRAINTS. (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS. (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined, use new logic to validate operand constraints against constraint definitions. (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is defined. * defaults.h: If none of the old-style constraint macros are defined, define USE_MD_CONSTRAINTS; do not provide defaults for any old-style macros; and poison REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and EXTRA_CONSTRAINT. * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately. * doc/md.texi: Document new constraint-definition mechanism and the C interface it provides. Remove references to old mechanism elsewhere in the document. (Machine Constraints): Use pathnames relative to gcc directory, i.e. config/ARCH/FILE. Change i386 section to refer to config/i386/predicates.md; update that section to match docstrings. * doc/tm.texi: Move all documentation of the old constraint- definition macros to their own section, clearly mark as obsolete. * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t) (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint definitions. * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P) (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete. * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from constraint strings. (splits and peepholes): Use satisfies_constraint_*. * config/i386/i386.c (memory_address_length) (ix86_attr_length_immediate_default): Use satisfies_constraint_*. 2006-02-27 Daniel Berlin * lambda-code.c (can_convert_to_perfect_nest): Allow any type of scalar operation to be put back into the loop. 2006-02-27 Jakub Jelinek PR other/26208 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field. (extract_cie_info): Handle S flag in augmentation string. (execute_cfa_program): If context->signal_frame, execute also fs->pc == context->ra instructions. (uw_frame_state_for): If context->signal_frame, don't subtract one from context->ra to find FDE. (uw_update_context_1): Set context->signal_frame to fs->signal_frame. (_Unwind_GetIPInfo): New function. * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field. * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead of _Unwind_GetIP. * unwind-sjlj.c (_Unwind_GetIPInfo): New function. * unwind-generic.h (_Unwind_GetIPInfo): New prototype. * unwind-compat.c (_Unwind_GetIPInfo): New function. * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0. * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function. * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define. * config/i386/linux-unwind.h (x86_fallback_frame_state, x86_64_fallback_frame_state): Set fs->signal_frame. * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise. (MD_FROB_UPDATE_CONTEXT): Define unconditionally. (frob_update_context): Likewise. Workaround missing S flag in Linux 2.6.12 - 2.6.16 kernel vDSOs. * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise. Remove the psw_addr + 1 hack. 2006-02-27 Daniel Berlin * tree-ssa-structalias.c (get_constraint_for): Move code to deal with aggregates here. (find_func_aliases): Remove code for & from here. 2006-02-26 Roger Sayle * fold-const.c (fold_binary) : Fold (~X & C) eq/ne 0 as (X & C) ne/eq 0, where C is a single bit, i.e. a power of two. Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0" as (X & C) ne/eq 0. 2006-02-26 Roger Sayle PR middle-end/19983 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes. 2006-02-26 Zdenek Dvorak * opts.c (decode_options): Do not handle flag_strength_reduce. (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt and OPT_fstrength_reduce. * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test flag_prefetch_loop_arrays for being nonzero. * common.opt (floop-optimize, frerun-loop-opt): Resurrected as no-ops. (fprefetch-loop-arrays-rtl): Removed. (flag_prefetch_loop_arrays): Do not specify the value. * doc/passes.texi: Update documentation of loop optimizer passes. * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl, -frerun-loop-opt): Remove. 2006-02-26 Richard Guenther PR tree-optimization/26421 * tree-ssa-alias.c (find_used_portions): Don't treat parameters in function calls that are ADDR_EXPRs as using the whole structure. 2006-02-26 Steven Bosscher * common.opt (-floop-optimize, -frerun-loop-opt): Remove. * tree-pass.h (pass_loop_optimize): Remove. * passes.c (pass_loop_optimize): Never run it. * toplev.c (backend_init): Don't call init_loop. * opts.c (flag_loop_optimize_set): Remove. (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt. (common_handle_option) : Remove. Don't disable the old RTL loop optimizer when profiling enabled. * predict.c (tree_estimate_probability): Always strip builtin_expect. * cfgcleanup.c (try_forward_edges): Don't avoid killing loop pre-headers for the sake of the old RTL loop optimizer. * Makefile.in: Remove all references to loop.o. * doc/invoke.texi: Remove all references to -floop-optimize and -frerun-loop-opt. 2006-02-26 Zack Weinberg * doc/md.texi (Machine Constraints): Refer to all files with paths relative to gcc directory (i.e. config/CPU/file). Add missing @table @code ... @end table to M32C subsection. 2006-02-26 Roger Sayle * fold-const.c (fold_binary) : Fold (X & 1) ^ 1 as (X & 1) == 0. : Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0. 2006-02-26 Roger Sayle James A. Morrison PR middle-end/21137 * fold-const.c (fold_binary) : Fold ((X>>C1)&C2) eq/ne 0, when C2 is a power of two, as either (X&(C2< PR tree-optimization/26359 * tree-ssa-alias.c (new_type_alias): Set fields for new tag. 2006-02-25 Roger Sayle * simplify-rtx.c (simplify_relational_operation_1): Simplify (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y as X == 0, and some symmetry related transformations. Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line. 2006-02-25 Roger Sayle PR middle-end/23673 * fold-const.c (fold_binary) : Fold (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some symmetry related transformations. Fold (X^C1) == C2 as X == (C1^C2). 2006-02-25 Juergen Weigert Richard Guenther * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF. 2006-02-24 Adam Nemet * combine.c (gen_lowpart_or_truncate): Call simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE. 2006-02-24 Diego Novillo * doc/invoke.texi: Move -fopenmp description to "Options for Code Generation". Remove reference to -lgomp. 2006-02-24 David Edelsohn * doc/install.texi: Require GNU tar version 1.14. 2006-02-24 Geoffrey Keating * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS. * doc/invoke.texi (C++ Dialect Options): Document -fno-use-cxa-get-exception-ptr. * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1. * configure: Regenerate. * c.opt (fuse-cxa-get-exception-ptr): New. * c-opts.c (c_common_handle_option): Handle OPT_fuse_cxa_get_exception_ptr. * c-common.c (flag_use_cxa_atexit): Update documentation. (flag_use_cxa_get_exception_ptr): New. * c-common.h (flag_use_cxa_get_exception_ptr): New. * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve documentation. (C_COMMON_OVERRIDE_OPTIONS): New. 2006-02-24 Roger Sayle PR middle-end/24952 * combine.c (try_combine): Explicitly check whether GET_CODE is a SET or a CLOBBER, instead on checking that it isn't a USE. 2006-02-24 Roger Sayle * fold-const.c (fold_comparison): New subroutine of fold_binary containing transformations common to both the equality and ordering relational operators, factored out of fold_binary. (fold_binary): Separate out the equality operators (EQ_EXPR and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR, LE_EXPR and GE_EXPR), calling fold_comparison to perform the transformations common to both. (fold_div_compare): Fix latent bugs in the previously unreachable LT_EXPR and GE_EXPR cases. 2006-02-24 David Edelsohn * config/rs6000/rs6000.c (rs6000_init_builtins): Change decl libname for clog to __clog on AIX. * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define. 2006-02-24 Alan Modra PR target/26453 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't output traceback table for thunks. Localise rs6000_stack_info call. 2006-02-23 Roger Sayle Rainer Orth * gthr-posix.h (__gthrw): Fix typo in comment. 2006-02-23 Geoffrey Keating * doc/cpp.texi (Character sets): Document that we do support input files to be in any character set. 2006-02-23 Jeff Law * tree.h (PHI_ARG_NONZERO): Remove. * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO. (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old node to the new node. PR tree-optimization/26425 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL min/max, then assume its varying. 2006-02-23 Zdenek Dvorak PR rtl-optimization/26316 * rtlanal.c (enum may_trap_p_flags): New. (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore MEM_NOTRAP_P if flags & MTP_AFTER_MOVE. (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1. (may_trap_after_code_motion_p): New function. * loop-invariant.c (find_identical_invariants): Fix dump formating. (find_invariant_insn): Use may_trap_after_code_motion_p. * rtl.h (may_trap_after_code_motion_p): Declare. 2006-02-23 Zdenek Dvorak * emit-rtl.c (immed_double_const): Cleanup. 2006-02-23 Daniel Berlin Fix PR tree-optimization/26376 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree, remove assert. 2006-02-23 Jakub Jelinek PR middle-end/26412 * gimplify.c (omp_add_variable): Guard variable size decl test with DECL_SIZE (decl) check. 2006-02-23 Richard Guenther PR middle-end/26439 * tree-ssa-structalias.c (find_func_aliases): Handle complex types like aggregate types. 2006-02-23 Jakub Jelinek * configure.ac: Add --with{,out}-long-double-128 configure option. (TARGET_DEFAULT_LONG_DOUBLE_128): New test. * configure: Rebuilt. * config.in: Rebuilt. * doc/install.texi (Options specification): Document --with-long-double-128. * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128] (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128. * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128] (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128. 2006-02-23 Aldy Hernandez * config/s390/s390.c (override_options): Handle TARGET_DEFAULT_LONG_DOUBLE_128. * config/alpha/alpha.c (override_options): Handle TARGET_DEFAULT_LONG_DOUBLE_128. * config/sparc/sparc.c (sparc_override_options): Handle TARGET_DEFAULT_LONG_DOUBLE_128. 2006-02-22 Daniel Jacobowitz * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR). (real-install-headers-tar, real-install-headers-cpio) (real-install-headers-cp): New targets. 2006-02-22 Richard Sandiford * tree.h (variable_section): Delete. * varasm.c (variable_section): Delete. 2006-02-22 Paolo Bonzini * install.texi: Add notes on install.texi2html. (Building in parallel): Do not use footnotes. 2006-02-21 Aldy Hernandez PR libgomp/26234 * doc/install.texi (Configuration): Document --disable-libgomp. 2006-02-21 Geoffrey Keating * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New. 2006-02-21 Alexandre Oliva * config/i386/sse.md (vec_extractv2df_1_sse): New. (vec_extractv2df_0_sse): New. 2006-02-21 Alexandre Oliva * defaults.h (CFA_FRAME_BASE_OFFSET): Define. * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override. * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document. * dwarf2out.c (build_cfa_loc): New offset parameter. Add it to the result of the expression. (def_cfa_1): Adjust. (frame_pointer_cfa_offset): Rename to... (frame_pointer_fb_offset): ... this. Adjust all uses. (convert_cfa_to_loc_list): Rename to... (convert_cfa_to_fb_loc_list): ... this. New offset parameter. Pass it on to build_cfa_loc. (compute_frame_pointer_to_cfa_displacement): Rename to... (compute_frame_pointer_to_fb_displacement): ... this. New offset parameter. Use it in computation. (gen_subprogram_die): Compute cfa_fb_offset with the new macro, and use it to compute the fb loc list and the displacement. 2006-02-21 Bernd Schmidt * config/bfin/predicates.md (cc_operand): Delete predicate. All uses replaced with register_operand. * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any non-DREG is expensive. * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed. * config/bfin/bfin.md (movbi): Fix constraints and template for moves involving memory. 2006-02-21 Joseph S. Myers * doc/install.texi2html: Use set -e. 2006-02-21 Richard Sandiford * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS) (ASM_OUTPUT_SHARED_LOCAL): Delete. * doc/invoke.texi (-fshared-data): Delete. * common.opt (fshared-data): Delete. * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling. (assemble_static_space): Remove #if 0 code. * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS) (ASM_OUTPUT_SHARED_LOCAL): Poison. * config/cris/cris.h: Remove FIXME. 2006-02-21 Paolo Bonzini * doc/sourcebuild.texi (Front End Directory): No more double-colon hooks. 2006-02-21 Jakub Jelinek PR middle-end/26379 * combine.c (simplify_shift_const_1): Disable nested shifts optimization for vector shifts. 2006-02-20 Roger Sayle PR tree-optimization/26361 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR of unsigned integer types. 2006-02-20 Sebastian Pop * tree-chrec.c (eq_evolutions_p): New. * tree-chrec.h (eq_evolutions_p): Declared. * tree-data-ref.c: Fix formatting. (datadep_stats, dependence_stats): New. (gcd): Moved... (print_direction_vector): New. (dump_data_dependence_relation): Use print_direction_vector. (object_analysis, create_data_ref): Handle COMPONENT_REF. (compute_subscript_distance): Static. (initialize_data_dependence_relation): Static. Get the number of loops surrounding the references from the callers, and initialize DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and base_object_differ_p analyzers. (analyze_ziv_subscript, analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine): Count the classified dependences. Print a message when a test failed. (can_use_analyze_subscript_affine_affine): New. (analyze_siv_subscript): Compute the data dependences on symbolic scevs that verify can_use_analyze_subscript_affine_affine. (chrec_steps_divide_constant_p): Returns true, false, or unknown. (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p. Handle symbolic scevs. (analyze_overlapping_iterations): Let symbolic affine scevs to be analyzed. (subscript_dependence_tester): Moved... (build_classic_dist_vector, build_classic_dir_vector): Don't use lambda_vector_clear on newly allocated vectors. Get nb_loops from DDR_SIZE_VECT instead of getting it in parameter. (subscript_dependence_tester): ... here. Take as a parameter loop_nest_depth. Call build_classic_dist_vector and build_classic_dir_vector. (compute_affine_dependence): Update subscript_dependence_tester parameters. Update datadep_stats counters. Call compute_subscript_distance. (compute_self_dependence): Save the dist and dir vectors. Call compute_subscript_distance. (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved... (compute_all_dependences): Reorder parameters as they were before conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call compute_subscript_distance. Update the use of compute_affine_dependence and initialize_data_dependence_relation. (find_data_references_in_loop): Handle COMPONENT_REF. (compute_data_dependences_for_loop): Initialize dependence_stats. Don't call build_classic_dist_vector and build_classic_dir_vector. Update the parameters of initialize_data_dependence_relation and compute_all_dependences. Print the statistics from datadep_stats. (analyze_all_data_dependences): Static. Not used until the pass for checking the data dependences is contributed. * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): ... here. (initialize_data_dependence_relation, compute_affine_dependence, analyze_all_data_dependences, compute_subscript_distance): Removed. (print_direction_vector): New. * lambda.h (gcd): ... here. (lambda_vector_gcd): Moved here from gcd_vector. * lambda-code.c (gcd, gcd_vector): Removed. (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting. * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H. 2006-02-20 Diego Novillo * ipa-type-escape.c: Tidy some comments and white space. * tree-ssa-operands.c: Likewise. 2006-02-20 Andrew Pinski PR tree-opt/25879 * tree-pretty-print.c (debug_tree_chain): Walk the chains. (dump_decl_name): Do not walk the decl tree chains. * tree-pass.h (TDF_CHAIN): Remove. 2006-02-20 Rafael Ávila de Espíndola * Makefile.in (C): Remove (PROTO): Remove (.PHONY): Remove C and PROTO 2006-02-20 Roger Sayle PR middle-end/26236 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now deprecated CHAR_TYPE tree code. 2006-02-20 Paolo Bonzini * configure.ac (target_list): Add install-info, dvi, html. * configure: Regenerate. * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in, java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in, treelang/Make-lang.in: Do not use double-colon rules. 2006-02-20 Daniel Berlin * tree.h (struct tree_memory_tag): Add is_used_alone member. (TMT_USED_ALONE): New macro. * tree-pass.h (PROP_tmt_usage): New property. (TODO_update_tmt_usage): New todo. * tree-ssa-alias.c (updating_used_alone): New variable. (recalculate_used_alone): New function. (compute_may_aliases): Set updating_used_alone, call recalculate_used_alone. * tree-sra.c (pass_sra): Note that this pass destroys PROP_tmt_usage, and add TODO_update_tmt_usage. * tree-ssa-forwprop.c (pass_forwprop): Ditto. * tree-flow.h (updating_used_alone): Prototype. (recalculate_used_alone): Ditto. * passes.c (execute_todo): Add code to set updating_used_alone, and call recalculate. * tree-ssa-operands.c (add_virtual_operand): Only append bare def for clobber if used alone, and add assert to verify used_alone status. 2006-02-20 Angel Nunez Mencias * config/s390/s390.c (legitimize_pic_address): Assertions checking for non tls symbols added. (legitimize_address): Do nothing for PLUS expressions if one of the addends is a tls symbol reference. 2006-02-20 Paolo Bonzini PR bootstrap/25476 * Makefile.in (LDFLAGS): Define from autoconf substitution. * Makefile.in (BOOTSTRAPPING): New. (quickstrap): New definition if BOOTSTRAPPING=yes. * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages. * configure.ac: Substitute all_selected_languages with the languages that were configured. For all the other variables except lang_specs_files, include all the languages in the tree. * configure: Regenerate. * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory, if there is one. Run the commands to run fixincludes in the same subshell. * doc/makefile.texi: Document new makefile targets from toplevel bootstrap. * doc/install.texi: Document exact conventions for searching target tools. Document --with-build-time-tools. Document toplevel bootstrap. Document something more about building an Ada cross-compiler. Don't list GNU Make requirements which affect all platforms. 2006-02-19 Roger Sayle PR middle-end/19543 * varasm.c (compare_constant) : Integer constants are only equivalent if the have both the same mode and precision. 2006-02-20 Ben Elliston * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE. 2006-02-19 Roger Sayle Steven Bosscher * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through constant pool references to identify stack mode constants. * rtlanal.c (constant_pool_constant_p): New predicate to check whether operand is a floating point constant in the pool. * rtl.h (constant_pool_constant_p): Prototype here. * loop.c (scan_loop): Avoid hoisting constants from the constant pool on STACK_REGS targets. (load_mems): Likewise. * loop-invariant.c (get_inv_cost): Make hoisting constant pool loads into x87 registers expensive in terms of register pressure. 2006-02-19 Roger Sayle * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined. 2006-02-19 David Edelsohn * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define. * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define. 2006-02-19 Daniel Berlin * doc/invoke.texi: Document -fipa-pta. * common.opt: Add ipa-pta option. * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed. (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code. (do_ds_constraint): Ditto. (get_constraint_for): Only add to referenced_vars if referenced_vars exists. (insert_into_field_list): Rewrite to do this unsorted. (insert_into_field_list_sorted): Rename old insert_into_field_list to this. (create_function_info_for): Use insert_into_field_list_sorted. (create_variable_info_for): Rewrite so it uses unsorted version, since the field list is sorted. (intra_create_variable_infos): Only add to referenced_vars if referenced_vars exists. (ipa_pta_execute): Init heapvars, and delete when done. * passes.c (init_optimization_passes): Add call to pass_ipa_pta. 2006-02-19 John David Anglin * doc/install.texi: Add missing `@samp'. 2006-02-18 Andrew Pinski * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Use the arguments. 2006-02-18 Mark Wielaard * doc/contrib.texi (Contributors): Add classpath/libgcj hackers who added new 4.1 features, bug fixes and integration support. 2006-02-18 David Edelsohn PR target/26350 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized MEM for ABI_V4 pic. 2006-02-18 Richard Sandiford * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE. * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx. (copy_insn_1): Likewise. Don't copy each field individually. Reindent. * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead of RTX_SIZE. * reload1.c (eliminate_regs): Use shallow_copy_rtx. * rtl.c (rtx_size): Rename variable to... (rtx_code_size): ...this. (rtx_size): New function. (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE. (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually. Reindent. (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE. * rtl.h (rtx_code_size): New variable. (rtx_size): Change from a variable to a function. (RTX_SIZE): Rename to... (RTX_CODE_SIZE): ...this. PR target/9703 PR tree-optimization/17106 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document. (Anchored Addresses): New section. * doc/invoke.texi (-fsection-anchors): Document. * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise. (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise. (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise. * hooks.c (hook_bool_mode_rtx_false): New function. * hooks.h (hook_bool_mode_rtx_false): Declare. * gengtype.c (create_optional_field): New function. (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when SYMBOL_REF_IN_BLOCK_P is true. * target.h (output_anchor, use_blocks_for_constant_p): New hooks. (min_anchor_offset, max_anchor_offset): Likewise. (use_anchors_for_symbol_p): New hook. * toplev.c (compile_file): Call output_object_blocks. (target_supports_section_anchors_p): New function. (process_options): Check that -fsection-anchors is only used on targets that support it and when -funit-at-a-time is in effect. * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL if the decl doesn't have one. * dwarf2out.c: Remove instantiations of VEC(rtx,gc). * expr.c (emit_move_multi_word, emit_move_insn): Pass the result of force_const_mem through use_anchored_address. (expand_expr_constant): New function. (expand_expr_addr_expr_1): Call it. Use the same modifier when calling expand_expr for INDIRECT_REF. (expand_expr_real_1): Pass DECL_RTL through use_anchored_address for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant. * expr.h (use_anchored_address): Declare. * loop-unroll.c: Don't declare rtx vectors here. * explow.c: Include output.h. (validize_mem): Call use_anchored_address. (use_anchored_address): New function. * common.opt (-fsection-anchors): New switch. * varasm.c (object_block_htab, anchor_labelno): New variables. (hash_section, object_block_entry_eq, object_block_entry_hash) (use_object_blocks_p, get_block_for_section, create_block_symbol) (use_blocks_for_decl_p, change_symbol_section): New functions. (get_variable_section): New function, split out from assemble_variable. (make_decl_rtl): Create a block symbol if use_object_blocks_p and use_blocks_for_decl_p say so. Use change_symbol_section if the symbol has already been created. (assemble_variable_contents): New function, split out from... (assemble_variable): ...here. Don't output any code for block symbols; just pass them to place_block_symbol. Use get_variable_section and assemble_variable_contents. (get_constant_alignment, get_constant_section, get_constant_size): New functions, split from output_constant_def_contents. (build_constant_desc): Create a block symbol if use_object_blocks_p says so. Or into SYMBOL_REF_FLAGS. (assemble_constant_contents): New function, split from... (output_constant_def_contents): ...here. Don't output any code for block symbols; just pass them to place_section_symbol. Use get_constant_section and get_constant_alignment. (force_const_mem): Create a block symbol if use_object_blocks_p and use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS. (output_constant_pool_1): Add an explicit alignment argument. Don't switch sections here. (output_constant_pool): Adjust call to output_constant_pool_1. Switch sections here instead. Don't output anything for block symbols; just pass them to place_block_symbol. (init_varasm_once): Initialize object_block_htab. (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK. (default_asm_output_anchor, default_use_aenchors_for_symbol_p) (place_block_symbol, get_section_anchor, output_object_block) (output_object_block_htab, output_object_blocks): New functions. * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro. (TARGET_ASM_OUT): Include it. (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro. (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros. (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro. (TARGET_INITIALIZER): Include them. * rtl.c (rtl_check_failed_block_symbol): New function. * rtl.h: Include vec.h. Declare heap and gc rtx vectors. (block_symbol, object_block): New structures. (rtx_def): Add a block_symbol field to the union. (BLOCK_SYMBOL_CHECK): New macro. (rtl_check_failed_block_symbol): Declare. (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags. (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates. (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2. (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors. * output.h (output_section_symbols): Declare. (object_block): Name structure. (place_section_symbol, get_section_anchor, default_asm_output_anchor) (default_use_anchors_for_symbol_p): Declare. * Makefile.in (RTL_BASE_H): Add vec.h. (explow.o): Depend on output.h. * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default. (TARGET_MAX_ANCHOR_OFFSET): Likewise. (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise. (rs6000_use_blocks_for_constant_p): New function. 2006-02-18 John David Anglin * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0. 2006-02-18 Andrew Pinski PR tree-opt/25680 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and IMAGPART_EXPR. 2006-02-18 Diego Novillo * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to is_aliased. Update all users. 2006-02-18 Jakub Jelinek PR middle-end/26334 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER instead of DECL_REGISTER. 2006-02-18 Olivier Hainque PR ada/13408 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define. 2006-02-18 Joseph S. Myers PR target/24837 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1. * opth-gen.awk: Handle Var and InverseMask together. * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc). * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT. (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC. (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc used together. (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define. * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER. * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC. * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define. (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option. * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. (TARGET_C99_FUNCTIONS): Don't define. * config/i386/linux.h (DYNAMIC_LINKER): Rename to GLIBC_DYNAMIC_LINKER. (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER. * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and LINUX_DYNAMIC_LINKER64. * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64 and LINUX_DYNAMIC_LINKER32. * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC. * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise. (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define. (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32. (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64. * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE. * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and LINUX_DYNAMIC_LINKER64. * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define. (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC. * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define. (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32. (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64. (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC. * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * doc/invoke.texi (-muclibc): Remove caveat about supported targets. 2006-02-17 Grigory Zagorodnev * doc/cpp.texi (__TIMESTAMP__): Document. 2006-02-17 Roger Sayle PR middle-end/25600 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when C is one less than the width of X (and related transformations). * simplify-rtx.c (simplify_unary_operation_1): Transform (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C) depending on STORE_FLAG_VALUE, were C is one less then the width of X. 2006-02-17 Daniel Berlin Fix PR tree-optimization/26341 * tree-ssa-operands.c (add_virtual_operand): Remove assert about NAME_MEMORY_TAG's. 2006-02-17 John David Anglin PR target/26255 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit with hardware float support, and software float support. Add fcpy alternative to hardware patterns. Add alternatives to copy between general and floating-point registers to the 32-bit pattern. * pa.c (pa_secondary_reload): Don't abort if reload tries to find a secondary reload to load a QI or HI mode constant into a floating point register. * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode. * pa64-regs.h (VALID_FP_MODE_P): Likewise. 2006-02-17 Andrew Pinski PR target/26272 * config/rs6000/darwin.md (load_macho_picbase_si): Add pc to the pattern. (load_macho_picbase_di): Likewise. 2006-02-16 Jeff Law * tree-vrp.c (set_value_range_to_nonnegative): New function. (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise. (ssa_name_nonzero_p): Likewise. (get_value_range): Return NULL if VRP is not running. (extract_range_from_expr): Fallback to tree_expr_XXX_p if VRP routines do not discover a range. (vrp_finalize): Clear VR_VALUE to indicate VRP is not running. * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype. * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP. (tree_expr_nonnegative_p): Similarly. * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove. (restore_nonzero_vars_to_original_value): Remove. (unsafe_associative_fp_binop): Remove. (tree_ssa_dominator_optimize): Remove initialization and finalization of nonzero_vars and nonzero_vars_stack. (dom_opt_initialize_block): No longer push marker on nonzero_vars_stack. (dom_opt_finalize_block): No longer call restore_nonzero_vars_to_original_value. (record_equivalences_from_phis): No longer look for nonzero PHI arguments. (cprop_into_successor_phis): No longer propagate nonzero property into PHI arguments. Lose unused argument. Caller updated. (record_equivalences_from_stmt): No longer record nonzero values for SSA_NAMEs. (lookup_avail_expr): No longer use nonzero_vars. * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly for sizetype when sizetype is unsigned. 2006-02-16 Denis Nagorny PR rtl-optimization/25603 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note. (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case. * reload1.c (choose_reload_regs): Added call of regno_clobbered_p with new meaning of SETS. 2006-02-16 Joseph S. Myers PR target/20353 PR target/24578 PR target/24837 * config/linux.opt: New file. * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER): Define. (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC. * config.gcc (*-*-linux*): Define extra_options. (*-*-*uclibc*): Define UCLIBC_DEFAULT. (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi. * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to GLIBC_DYNAMIC_LINKER. * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise. (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define. (LINK_SPEC): Use LINUX_DYNAMIC_LINKER. * doc/invoke.texi (GNU/Linux Options): New section. 2006-02-16 Eric Botcazou * config/sparc/sparc.md (setjmp): Rewrite. (setjmp_32): Delete. (setjmp_64): Likewise. 2006-02-16 Daniel Berlin * tree-ssa-operands.c (access_can_touch_variable): Fix typo in previous change. 2006-02-16 Zdenek Dvorak * loop-invariant.c (invariant_for_use, check_dependencies): Fail for read-write uses. 2006-02-16 Zdenek Dvorak PR rtl-optimization/26296 * Makefile.in (loop-invariant.c): Add except.h dependency. * loop-invariant.c: Include except.h. (find_invariant_insn): Ignore insns satisfying can_throw_internal. 2005-02-16 Paul Brook * reload1.c (emit_reload_insns): Invalidate dead input registers used for reloads. 2006-02-16 Bernd Schmidt PR rtl-optimization/25636 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test when deciding whether an insn is an initializing insn. 2006-02-15 Daniel Berlin * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling. (tree_code_size): Ditto. * tree.h (struct tree_memory_tag): Remove parent_var. (struct tree_struct_field_tag): New. (SFT_OFFSET): New. (SFT_SIZE): New. (union tree_node): Add sft member. * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY specially here. (create_sft): Add size and offset argument, set SFT_OFFSET and SFT_SIZE. (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE. * treestruct.def: Add TS_STRUCT_FIELD_TAG. * tree-flow-inline.h (get_subvar_at): Update for SFT_OFFSET/SFT_SIZE. (var_can_have_subvars): Ditto. (overlap_subvar): Ditto. * print-tree.c (print_node): Print out interesting things for SFT's. * tree-flow.h (struct subvar): Remove offset and size members. * tree-ssa-operands.c (get_expr_operands): Update for get_indirect_ref_operands changes. (get_indirect_ref_operands): Call add_virtual_operand instead of add_stmt_operand. Only recurse on base var if requested. (access_can_touch_variable): New function. (add_stmt_operand): Split virtual operand handling into ... (add_virtual_operand): Here. Add offset, size, and for_clobber arguments. Prune alias sets. (add_call_clobber_ops): Call add_virtual_operand. 2006-02-15 Jakub Jelinek PR middle-end/26300 * combine.c (make_extraction): Bail out if ORIG_POS is negative. * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather than TREE_CODE as index into omp_clause_num_ops array. 2006-02-15 Uttam Pawar PR rtl-optimization/26184 * modulo-sched.c (generate_reg_moves): Free bitmap vector uses_of_defs. * modulo-sched.c (sms_schedule): Free g_arr pointer. * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers must_precede, must_follow and tobe_scheduled. PR other/26147 * opts.c (common_handle_option): Free new_option pointer. * df-core.c (df_analyze): Free postorder pointer. 2006-02-15 Rafael Ávila de Espíndola * Makefile.in: Fix the examples about the use of stamps 2006-02-15 Michael Matz PR middle-end/22275 * stor-layout.c (layout_decl): Zero-width bitfields aren't influenced by maximum_field_alignment or DECL_PACKED. (update_alignment_for_field): Ditto. (place_field): Ditto. * doc/extend.texi (<#pragma pack>, ): Document this behaviour. 2006-02-15 Paolo Bonzini * cfg.c (dump_flow_info): Get dump flags as an additional parameter. (debug_flow_info): Pass it. * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info. * bb-reorder.c (reorder_basic_blocks): Likewise. * cfgcleanup.c (rest_of_handle_jump2): Likewise. * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise. * flow.c (life_analysis, recompute_reg_usage): Likewise. * gcse.c (gcse_main, bypass_jumps): Likewise. * ifcvt.c (rest_of_handle_if_conversion): Likewise. * local-alloc.c (rest_of_handle_local_alloc): Likewise. * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise. * profile.c (compute_branch_probabilities, branch_prob): Likewise. * rtl.h (dump_flow_info): Adjust prototype. * tracer.c (rest_of_handle_tracer, tracer): Likewise. * var-tracking.c (variable_tracking_main): Likewise. * passes.c (execute_todo): Obey TDF_BLOCKS for RTL. * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks options. 2006-02-15 Marcin Dalecki * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression construction. 2006-02-14 Zdenek Dvorak PR tree-optimization/26209 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg. * tree-cfgcleanup.c (cleanup_control_flow): Remove dead eh edges. * tree-cfg.c (replace_uses_by): Do not alter cfg. 2006-02-14 Roger Sayle PR middle-end/23670 * fold-const.c (fold_binary) : Optimize (X&Y)|Y into (X,Y) and the corresponding symmetry related transformations. (fold_binary) : Likewise, optimize (X|Y)&Y into (X,Y) and its symmetry related transformations. 2006-02-14 Roger Sayle * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU and GEU. 2006-02-14 Adam Nemet * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE. 2006-02-14 Rainer Orth PR bootstrap/26053 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers support COMDAT group. * configure: Regenerate. 2006-02-14 Roger Sayle PR middle-end/26279 PR middle-end/26280 PR middle-end/26283 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE. 2006-02-14 Daniel Berlin Fix PR tree-optimization/26260 * doc/invoke.texi (max-fields-for-field-sensitive): Document param. * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New. * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto. * tree-ssa-structalias.c (create_variable_info_for): Use MAX_FIELDS_FOR_FIELD_SENSITIVE. 2006-02-14 Zdenek Dvorak * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl): Document. * tree-ssa-loop-niter.c (number_of_iterations_ne, number_of_iterations_lt, number_of_iterations_cond): Remember the shape of the ending condition. * tree-ssa-loop-manip.c: Include params.h. (build_if_stmt, can_unroll_loop_p, determine_exit_conditions, tree_unroll_loop): New functions. * tree-pass.h (pass_loop_prefetch): Declare. * loop.c (rest_of_handle_loop_optimize): Test for -fprefetch-loop-arrays-rtl. * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h. * timevar.def (TV_TREE_PREFETCH): New timevar. * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch, pass_loop_prefetch): New. * tree-cfgcleanup.c: Include tree-scalar-evolution.h. (cleanup_tree_cfg_loop): Call scev_reset. * common.opt (fprefetch-loop-arrays-rtl): Add. * tree-ssa-loop-prefetch.c: New file. * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field. (new_temp_expr_table): Initialize expr_vars. (free_temp_expr_table): Cleanup expr_vars. (check_replaceable, find_replaceable_in_bb): Prevent accumulating expressions from being merged into one. * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h. (struct tree_niter_desc): Add control, bound and cmp fields. (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop): Declare. * Makefile.in (tree-ssa-loop-prefetch.o): Add. (tree-cfgcleanup.o): Add SCEV_H dependency. (tree-ssa-loop-manip.o): Add PARAMS_H dependency. * passes.c (init_optimization_passes): Add pass_loop_prefetch. 2006-02-14 Richard Guenther PR tree-optimization/26258 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates in PHI argument processing. 2006-02-13 Adam Nemet * simplify-rtx.c (simplify_unary_operation_1) : Return new expression in the requested machine mode. 2006-02-13 Roger Sayle * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx directly, instead let do_compare_rtx_and_jump handle this for us. * expr.c (expand_expr_real_1): Likewise. * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move before do_jump_by_parts_greater. (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx. * expr.h (do_jump_by_parts_greater_rtx): Delete prototype. 2006-02-13 John David Anglin * pa/quadlib.c: Use defines instead of enum qfcmp_magic. 2006-02-13 Zdenek Dvorak PR rtl-optimization/26235 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats. (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown format. 2006-02-13 Jeff Law * tree-vrp.c (extract_range_from_binary_expr): Remove handling of TRUTH_XOR_EPR. 2006-02-13 Jakub Jelinek PR middle-end/26092 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl twice if decl is a builtin. When trying again, call get_callee_fndecl first to verify it is still a builtin. 2006-02-13 Geoffrey Keating * dwarf2out.c (base_type_die): Don't add AT_name here. (subrange_type_die): Don't add AT_name here. (modified_type_die): Rearrange code flow. Do add AT_name here. 2006-02-13 Zdenek Dvorak PR rtl-optimization/26247 PR rtl-optimization/26248 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode. 2006-02-13 Richard Sandiford * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113. * config/fixtfdi.c: Likewise. * config/fixunstfdi.c: Likewise. * config/floatditf.c: Likewise. 2006-02-13 Roger Sayle PR middle-end/24427 * fold-const.c (fold_binary) : Transform (X&C1)|C2 into (X,C2) if C1 is a subset of the bits of C2. Transform (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as (X&(C1&~C2))|C2. : Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2). 2006-02-13 Josh Conner PR target/25376 * varasm.c (function_section): Check for section name before calling select_section on targets that define USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use unlikely_text_section instead of hot_function_section if first_function_block_is_cold. 2006-02-13 J"orn Rennecke PR middle-end/25335 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case. 2006-02-12 Zdenek Dvorak PR rtl-optimization/26222 * function.c (assign_stack_temp_for_type): Do not reuse stack slots after tree->rtl expansion. * loop-invariant.c (move_invariant_reg): Use force_operand on rhs before passing it to emit_move_insn. 2006-02-12 Gabriel Dos Reis * doc/invoke.texi (-Write-strings): Document that it is enabled by default. * c.opt (-Wwrite-strings): Declare variable warn_write_strings. Clarify documentation. * c-common.h (warn_write_strings): Remove. * c-common.c (warn_write_strings): Likewise. * c-opts.c (c_common_init_options): Enable -Wwrite-strings by default for C++. 2006-02-12 Roger Sayle PR middle-end/25724 * dojump.c (do_jump): Call do_compare_rtx_and_jump. (do_jump_parts_zero_rtx): New function renamed from do_jump_parts_equality_rtx. Made static. Add a mode argument. (do_jump_parts_equality_rtx): New function split out from do_jump_parts_equality. Old implementation renamed as above. Call do_jump_parts_zero_rtx if either operand is zero. (do_jump_parts_equality): Call do_jump_parts_equality_rtx to do all of the heavy lifting. (do_compare_rtx_and_jump): Handle multi-word comparisons by calling either do_jump_by_parts_greater_rtx or do_jump_by_parts_equality_rtx. * expr.h (do_jump_by_parts_equality_rtx): Remove prototype. * expmed.c (do_cmp_and_jump): Now multi-word optimization has moved to do_compare_rtx_and_jump, call it directly. * stmt.c (do_jump_if_equal): Remove static prototype. Add a mode argument. Call do_compare_rtx_and_jump. (emit_case_nodes): Update calls to do_jump_if_equal. 2006-02-12 Zdenek Dvorak PR rtl-optimization/26225 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands. 2006-02-12 Zdenek Dvorak PR rtl-optimization/26232 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0. 2006-02-11 Jason Merrill PR tree-opt/24365 * tree-inline.c (declare_return_variable): Just don't use the modify target if it's a gimple complex reg and the return slot isn't. 2006-02-11 Kaveh R. Ghazi * doc/contrib.texi: Update my entry. 2006-02-10 Geoffrey Keating * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define. 2006-02-10 Diego Novillo * tree-inline.c (estimate_num_insns_1): Make OpenMP directives expensive. 2006-02-10 Zdenek Dvorak * doc/invoke.texi (-floop-optimize2): Removed. * toplev.c (process_options): Remove handling of flag_loop_optimize2. * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2. Test flag_branch_on_count_reg only if HAVE_doloop_end. * common.opt (floop-optimize2): Removed. (fmove-loop-invariants): Enabled by default. 2006-02-10 Sebastian Pop * tree-if-conv.c (combine_blocks): Free the result of get_loop_exit_edges. 2006-02-10 Jeff Law * fold-const.c (tree_expr_nonzero_p): Fix thinko. PR tree-optimization/26213 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not loop trying to follow SSA_NAME_VALUE chains. 2006-02-10 Richard Guenther * tree-dfa.c (get_ref_base_and_extent): When computing maxsize deal with structures that end in implicitly variable sized arrays. 2006-02-09 Zdenek Dvorak PR rtl-optimization/24762 * df-scan.c (df_bb_refs_record): Record correct registers defined on eh edges. 2006-02-09 Zdenek Dvorak * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed. (struct ivopts_data): Add regs_used field. (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops. (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used instead of loop_data->regs_used; (free_loop_data): Do not free aux fields for loops. (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init and tree_ssa_iv_optimize_finalize. 2006-02-09 Kaz Kojima * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE. 2006-02-09 J"orn Rennecke PR target/26141 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when computing the effective result type. 2006-02-09 J"orn Rennecke PR inline-asm/16194 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare. (tree_overlaps_hard_reg_set): Declare. * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return type and signature to match function type expected by walk_tree. (tree_overlaps_hard_reg_set): New function. (decl_conflicts_with_clobbers_p): Rename to: (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument. Use tree_overlaps_hard_reg_set. Changed caller. * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set. * cris.c (cris_md_asm_clobbers): Likewise. 2006-02-09 Bernd Schmidt * reload1.c (emit_input_reload_insns): Delete code that tries to inherit using find_equiv_reg. 2006-02-09 Gabriel Dos Reis * c-common.h (flag_const_strings): Don't declare. * c-common.c (flag_const_strings): Remove. * c.opt (fconst_strings): Remove. * c-opts.c (c_common_handle_option): Remove . : Don't set flag_const_strings. (c_common_init_options): Don't set flag_const_strings. * doc/invoke.texi (-fno-const-strings): Remove documentation. 2006-02-09 Richard Earnshaw * arm.md (tlobits_cbranch): New pattern. * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if testing a single bit. 2006-02-09 Andrew Pinski PR tree-opt/26179 * tree-ssa-pre.c (create_component_ref_by_pieces): Handle RETURN_DECL like VAR_DECL. 2006-02-09 Andrew Pinski PR middle-end/26134 * fold-const.c (fold_indirect_ref_1): Fold "*(foo *)&complexfoo" to "__real__ complexfoo" and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo". 2006-02-09 Andrew Pinski * tree-flow-inline.h (var_can_have_subvars): Volatile variables should not have subvariables. 2006-02-09 Diego Novillo PR 26180 * tree-vrp.c (vrp_int_const_binop): Detect overflow when multiplying unsigned values. Tidy comments. 2006-02-09 Eric Botcazou * config/sparc/sparc.c (tls_call_delay): Fix oversight. 2006-02-08 Jason Merrill PR c++/25979 * tree.def: Elaborate on difference from MODIFY_EXPR. * doc/c-tree.texi (INIT_EXPR): Likewise. * gimplify.c (internal_get_tmp_var): Use INIT_EXPR. (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise. (gimplify_target_expr): Likewise. (gimplify_cond_expr): Remove target handling. (gimplify_modify_expr): Don't clobber INIT_EXPR code here. (gimplify_expr): Clobber it here. (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here. Do return slot optimization if we have an INIT_EXPR. PR tree-opt/24365 * tree-inline.c (declare_return_variable): Also clear DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case. PR c++/16405 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling. PR middle-end/22439 * gimplify.c (gimplify_one_sizepos): Fix typo. 2006-02-08 Jeff Law PR tree-optimization/21417 * tree-ssa-threadedge.c (thread_across_edge): Reject threading across a backedge if the control statement at the end of the block is data dependent on other statements in the same block. (record_temporary_equivalences_from_stmts): Remove over-conservative test for threading across backedges. * tree-ssa-dce.c (remove_dead_statement): When removing a dead control statement, handle all three special cases in the same manner as they all have the same desired solution. No longer special case edge flag updating when the post dominator is the exit block. 2006-02-08 Roger Sayle * tree.def (CHAR_TYPE): Remove. * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE. * dwarf2out.c (base_type_die, is_base_type): Likewise. (gen_type_die) : Remove handling of CHAR_TYPE arrays. (gen_string_type_die): Delete unreachable function. * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE. * tree.c (build_int_cst_wide, type_contains_placeholder_1, type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise. * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise. * builtins.c (type_to_class): Likewise. * fold-const.c (fold_convert, build_range_check, merge_ranges): Likewise. * expr.c (count_type_elements): Likewise. * c-pretty-print.c (pp_c_type_specifier): Likewise. * stor-layout.c (layout_type): Likewise. * ipa-type-escape.c (type_to_consider): Likewise. * gimplify.c (omp_firstprivatize_type_sizes, gimplify_type_sizes): Likewise. * explow.c (promote_mode): Likewise. * tree-sra.c (is_sra_scalar_type): Likewise. * varasm.c (output_constant): Likewise. * tree-inline.c (remap_type_1): Likewise. * convert.c (convert_to_pointer, convert_to_real, convert_to_integer, convert_to_complex): Likewise. 2006-02-08 Daniel Berlin * df-scan.c (df_def_record_1): A set destination may be a parallel regardless of mode. 2006-02-08 Roger Sayle PR target/22209 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc. * config/mips/_tilib.c: Remove. * config/fixtfdi.c: New libgcc source file. * config/fixunstfdi.c: New source file. * config/floatditf.c: New source file. * config/floatunditf.c: New souce file. * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source files above instead of config/mips/_tilib.c. * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise. 2006-02-08 Jeff Law PR tree-optimization/26169 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before threading jumps. 2006-02-08 Zdenek Dvorak * df.h (DF_REG_SIZE): Return the length of the initialized part of the array. 2006-02-08 Nathan Sidwell * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3, __muldf3): Return a correctly signed zero. 2006-02-08 Paolo Bonzini * passes.c (register_one_dump_file): Accept the current properties instead of pass number. Adjust call to dump_register. Remove duplicated code. (register_dump_files): Now a wrapper around... (register_dump_files_1): ... this one. Do not modify the pass structure. (next_pass_1): Cosmetic fix. (execute_todo): Keep second parameter only. Use curr_properties instead of fetching it from the pass structure. Check and set last_verified. (execute_one_pass): Handle TODO_set_props. Use curr_properties instead of fetching it from the pass structure. Fix calls to execute_todo. Update curr_properties and initialize .vcg RTL dump after running the pass. Reset last_verified. * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump at the beginning. (FIRST_AUTO_NUMBERED_DUMP): New. (dump_register): Remove "num" parameter, assign it within the function. (get_dump_file_name): Modify template for dumps. * tree-dump.h (dump_register): Adjust prototype. * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning. (PROP_trees): Add PROP_gimple_lomp. (TODO_set_props): New. * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf. * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh. * cfgexpand.c (pass_expand): Destroy PROP_trees. 2006-02-08 Jakub Jelinek * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file. (sparc64-*-linux*): Likewise. * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed. * config/sparc/t-linux: New file. * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi, __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128. (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if -m32 -mlong-double-128. * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file. * config/alpha/t-linux: New file. * config/alpha/libgcc-alpha-ldbl.ver: New file. * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128. (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here. * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32. (CPP_ARCH32_SPEC): Remove. 2006-02-07 Uttam Pawar PR tree-optimization/26145 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free bbs pointer. 2006-02-07 John David Anglin PR target/26109 * pa.c (attr_length_indirect_call): Don't return length 8 for distances >= 240000 when generating code for SOM runtime. (output_indirect_call): Don't use "b,l" instruction for indirect calls to $$dyncall when generating code for SOM runtime.. 2006-02-07 Dirk Mueller PR c++/18150 * doc/invoke.texi (-Wsequence-point): Update documentation that -Wsequence-point is implemented for C++ as well. 2006-02-07 Eric Botcazou * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread. * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise. (LIB_SPEC): Likewise. * doc/invoke.texi (SPARC options): Document -pthread. 2006-02-07 Geoffrey Keating * config/i386/i386.c (ix86_delegitimize_address): Support Darwin PIC addresses. 2006-02-07 Roger Sayle * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE. Correct comment describing BOOLEAN_TYPE. 2006-02-07 Dirk Mueller * c.opt: C++ frontend supports -Wdiv-by-zero. * c-opts.c (c_common_handle_option): Remove dead case. 2006-02-07 Eric Botcazou * configure.ac (TLS assembler check): Do not enable TLS by default on SPARC/Solaris before version 10. * configure: Regenerate. 2006-02-07 David Edelsohn * doc/invoke.texi (xl-compat): Document conversion and support routine names. 2006-02-07 Jeff Law * tree-vrp.c (find_conditional_asserts): Update comments. (simplify_stmt_for_jump_threading): New. (identify_jump_threads, finalize_jump_threads): New. (vrp_finalize): Call identify_jump_threads. (execute_vrp): Call finalize_jump_threads. * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field. (vrp_element, vrp_data, vrp_element_p): Remove. (vrp_hash_elt, vrp_variables_stack): Remove. (vrp_hash, vrp_eq, record_range): Remove. (simplify_cond_and_lookup_avail_expr): Remove. (extract_range_from_cond): Remove. (thread_across_edge): Relocated into tree-ssa-threadedge.c. (simplify_stmt_for_jump_threading): New. (dom_thread_across_edge): New wrapper. (tree_ssa_dominator_optimize): No longer initialize or finalize any of the VRP datastructures. Remove iteration step and simplify as a result of removal of iteration step. (pass_dominator): Perform a cfg cleanup after DOM. (dom_opt_finalize_block): Use the new common routines for threading jumps. Simplify stack management slightly. No longer need to unwind VRP state. (record_equivalences_from_incoming_edge): No longer record VRP information. (eliminate_redundant_computations): No longer call simplify_cond_and_lookup_avail_expr. * tree-flow.h (potentially_threadable_block): Prototype. (thread_across_edge): Likewise. * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o (tree-ssa-threadedge.o): Add dependencies. * tree-ssa-threadedge.c: New file. * passes.c (init_optimization_passes): Merge PHIs before calling VRP. Run VRP again late in the SSA optimization pipeline. 2006-02-07 Eric Botcazou * df-core.c (df_set_blocks): Do not dereference function pointers. (df_finish1): Likewise. (df_hybrid_search_forward): Likewise. (df_hybrid_search_backward): Likewise. (df_iterative_dataflow): Likewise. (df_analyze_problem): Likewise. (df_compact_blocks): Likewise. (df_dump): Likewise. * df-scan.c (df_rescan_blocks): Likewise. (df_record_entry_block_defs): Likewise. * genconditions.c (write_conditions): Guard the definition of 'insn_conditions' with the check on GCC version. (write_writer): Guard the traversal 'insn_conditions' with the check on GCC version. 2006-02-07 Richard Guenther PR c++/26140 Revert 2006-01-30 Richard Guenther PR c++/23372 * gimplify.c (gimplify_target_expr): Handle easy cases without creating a temporary. 2006-02-07 Pete Steinmetz * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate use of float in probability computations. Use edge probabilities in place of statically computed probabilities. (min_spec_prob): New static variable. (schedule_insns): Initialize it. (GET_SRC_PROB): Removed. * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob. 2006-02-07 Alexandre Oliva PR debug/24444 * config/ia64/unwind-ia64.c: Revert last change. * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed. (INCOMING_FRAME_SP_OFFSET): Define. 2006-02-06 Roger Sayle * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE. 2006-02-07 Ben Elliston * config/i386/i386.c (ix86_scalar_mode_supported_p): New. (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook. (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit. (ix86_return_in_memory): Handle TDmode. (ix86_libcall_value): Handle SDmode, DDmode, TDmode. (ix86_value_regno): Return non-TDmode decimal float modes in %eax. 2006-02-06 Richard Sandiford * reorg.c (dbr_schedule): Use dump_file instead of file. 2006-02-06 Steve Ellcey PR target/25917 * config/ia64/predicates.md (extr_len_operand): New predicate. * config/ia64/ia64.md (extv): Tighten constraints. (extzv): Ditto. (*tbit_and_2): Ditto. (*tbit_and_3): Ditto. (*tbit_or_2): Ditto. (*tbit_or_3): Ditto. (*bit_zero): Ditto. (*bit_one): Ditto. 2006-02-06 Andrew Pinski PR target/23359 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word. 2006-02-06 Zdenek Dvorak * tree-vrp.c (execute_vrp): Do not pass dump argument to. loop_optimizer_init and loop_optimizer_finalize * tree-ssa-sink.c (execute_sink_code): Ditto. * tree-ssa-loop-ch.c (copy_loop_headers): Ditto. * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init, tree_ssa_loop_done): Ditto. * tree-ssa-pre.c (init_pre, fini_pre): Ditto. * sched-ebb.c: Include output.h. (schedule_ebbs): Do not use dump argument. * value-prof.h (struct profile_hooks): Remove profile_dump_file. * loop.c (loop_dump_stream): Removed. (loop_optimize, rest_of_handle_loop_optimize): Do not use dump argument. (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump, emit_prefetch_instructions, loop_bivs_find, loop_bivs_check, final_biv_value, loop_biv_eliminable_p, loop_givs_rescan, loop_iterations, strength_reduce, record_biv, record_giv, final_giv_value, check_final_value, check_ext_dependent_givs, combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems, try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use dump_file instead of loop_dump_stream. * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call argument dump_file. * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use dump argument. * flow.c (life_analysis, rest_of_handle_life): Ditto. * haifa-sched.c: Include output.h (schedule_insns, sched_init): Do not use dump argument. * mode-switching.c (optimize_mode_switching): Ditto. * modulo-sched.c (stats_file): Removed. (print_node_sched_params): Do not call argument dump_file. (sms_schedule_by_order, loop_canon_p, sms_schedule, rest_of_handle_sms): Do not use dump argument. Use dump_file instead of stats_file. * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not use dump argument. * loop-init.c (loop_optimizer_init, loop_optimizer_finalize, rtl_loop_init, rtl_loop_done): Ditto. * global.c (global_alloc, rest_of_handle_global_alloc): Ditto. * predict.c (combine_predictions_for_bb, tree_estimate_probability): Ditto. * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto. * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto. * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize, rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto. * emit-rtl.c (renumber_insns): Ditto. * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr, expand_gimple_basic_block, tree_expand_cfg): Ditto. * regclass.c (regclass): Ditto. * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts, remove_ssa_form, rewrite_out_of_ssa): Ditto. * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1, convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs): Ditto. * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto. * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file to regclass. * gcse.c (gcse_file, debug_stderr): Removed. (gcse_main, bypass_jumps, rest_of_handle_jump_bypass, rest_of_handle_gcse): Do not use dump argument. (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets, one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb, pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass, compute_code_hoist_vbeinout, compute_code_hoist_data, one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores, compute_store_table, build_store_vectors, insert_insn_start_bb, insert_store, remove_reachable_equiv_notes, replace_store_insn, store_motion): Use dump_file instead of gcse_file. * ipa-type-escape.c (type_escape_execute): Remove debugging comments. * profile.c (profile_dump_file): Removed. (branch_prob): Use dump_file instead of profile_dump_file. * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument dump_file. * tree-ssa-copy.c (dump_copy_of): Ditto. * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass dump file to life_analysis. * bt-load.c (branch_target_load_optimize): Ditto. * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to renumber_insns. * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs, regclass, dbr_schedule): Declaration changed. * sched-int.h (sched_init): Declaration changed. * tree-profile.c (tree_profile_dump_file): Removed. (tree_profile_hooks): Removed profile_dump_file hook. * rtl-profile (rtl_profile_dump_file): Removed. (rtl_profile_hooks): emoved profile_dump_file hook. * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration changed. * c-gimplify.c (c_genericize): Do not call local variable dump_file. * tree-cfg.c (build_tree_cfg): Ditto. * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency. * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm): Declaration changed. * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to life_analysis and schedule_insns. * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to life_analysis. * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to dbr_schedule. * config/mips/mips.c (mips_reorg): Ditto. * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to schedule_ebbs. 2006-02-06 Aldy Hernandez * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define. (s390_mangle_fundamental_type): New. * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING): Define. * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define. (alpha_mangle_fundamental_type): New. * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING): Define. * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING): Define. * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING): Define. * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define. (sparc_mangle_fundamental_type): New. 2006-02-06 Jakub Jelinek * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file. (s390x-*-linux*): Likewise. * config/s390/t-linux64 (SHLIB_MAPFILES): Removed. * config/s390/t-linux: New file. 2006-02-02 Bernd Schmidt * config/i386/sync.md (sync_add, sync_sub, sync_ior, sync_and, sync_xor): Operand 0 is in-out. 2006-02-06 Daniel Berlin * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads. (ANTIC_SAFE_LOADS): New macro. (find_or_generate_expression): Add prototype. (set_contains_value): Allow null set for sake of not always having to allocate ANTIC_SAFE_LOADS. (phi_translate): Move placement of AGGREGATE_TYPE_P check. Allow COMPONENT_REF too. (valid_in_set): Allow COMPONENT_REF. Check ANTIC_SAFE_LOADS too. (compute_antic_aux): Print out ANTIC_SAFE_LOADS. (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and rename. (can_PRE_operation): Add COMPONENT_REF. (create_component_ref_by_pieces): New function. (create_expression_by_pieces): Use create_component_ref_by_pieces. (insert_aux): Move AGGREGATE_TYPE_P check here. (compute_avail): Set bb local stmt uids. (pass_pre): Use TODO_update_ssa_only_virtuals. 2006-02-06 Ben Elliston * configure.ac: Unconditionally disable decimal float by default. * configure: Regenerate. 2006-02-06 Ben Elliston * read-rtl.c (read_name): Terminate reading on EOF. 2006-02-06 Ben Elliston * dfp.c (decimal_real_arithmetic): Change second argument type from int to enum tree_code. Do not always return true, but now return result of any call to decimal_do helper functions. * dfp.h (decimal_real_arithmetic): Update prototype. 2006-02-05 Eric Botcazou * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID. 2006-02-05 Andrew Pinski PR tree-opt/25251 * tree-cfg.c (cleanup_dead_labels): Also don't remove forced labels. 2006-02-04 Zdenek Dvorak * tree-vrp.c (cfg_loops): Removed. (adjust_range_with_scev, vrp_visit_assignment, execute_vrp): Use current_loops instead of cfg_loops. Pass flags to loop_optimizer_init. * cfgloopmanip.c (fix_loop_structure): Update only available information. * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to loop_optimizer_init. * modulo-sched.c (build_loops_structure): Removed. (sms_schedule): Use loop_optimizer_init. * loop-init.c (loop_optimizer_init): Use flags to determine which properties of loops to prepare. (rtl_loop_init): Pass flags to loop_optimizer_init. * tree-ssa-sink.c (execute_sink_code): Ditto. * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto. * tree-ssa-pre.c (init_pre): Ditto. * cfgloop.h (LOOPS_NORMAL): New. (loop_optimizer_init): Declaration changed. 2006-02-05 John David Anglin * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files. * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of pa/t-pa. * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of pa/t-pa. * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of pa/x-ada. * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules. * pa/t-pa64: Delete quadlib.c rule. * pa/x-ada: Revert last change. * pa/t-pa: Revert last change. Delete quadlib.c rule. 2006-02-04 Zdenek Dvorak PR rtl-optimization/26087 * rtlanal.c (canonicalize_condition): Do not cross basic block boundaries. 2006-02-04 Alexandre Oliva PR debug/24444 * config/ia64/ia64.c: Include debug.h. (MAX_ARTIFICIAL_LABEL_BYTES): New. (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New. (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0. (process_epilogue, process_set, process_for_unwind_directive): Output unwind info only if requested. Add CFA info if requested. Add new arguments as needed. Adjust callers. * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override incorrect default. (DWARF2_FRAME_INFO): Define to zero. * config/ia64/unwind-ia64.c: Remove code that compensated for the CFA offset error fixed above. * config/ia64/t-ia64 (ia64.o): Depend on debug.h. * dwarf2out.c (DWARF2_FRAME_INFO): Define default. (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for -funwind-tables and -fexceptions to enable frame info. (dwarf2out_frame_init): Define initial CFA even if DWARF2_UNWIND_INFO is disabled. Call initial_return_save if DWARF2_UNWIND_INFO is nonzero, not just defined. (dwarf2out_frame_finish): Output non-EH call frame info only if DWARF2_FRAME_INFO is nonzero. (convert_cfa_to_loc_list, compute_frame_pointer_to_cfa_displacement): Define even if unwind info is not supported. (gen_subprogram_die): Use the above unconditionally. Remove legacy alternate code. * toplev.c (compile_file): Compile in call to dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined. (lang_dependent_init): Ditto for dwarf2out_frame_init. 2006-02-04 David Edelsohn Jakub Jelinek * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle IBM extended float format long double as "g" on powerpc*-linux. 2006-02-03 John David Anglin PR target/25926 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10. * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10. 2006-02-03 Jason Merrill PR c++/25979 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now. PR middle-end/25977 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO on the return slot if it's an NRV. 2006-02-03 Zdenek Dvorak * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER. (dump_use, add_derived_ivs_candidates, determine_use_iv_cost, rewrite_use): Do not handle USE_OUTER. (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer, add_iv_outer_candidates, may_replace_final_value, determine_use_iv_cost_outer, rewrite_use_outer): Removed. (find_interesting_uses_op): Functionality of find_interesting_uses_outer_or_nonlin moved here. (find_interesting_uses_outside): Use find_interesting_uses_op. 2006-02-03 Alan Modra PR target/25960 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result. 2006-02-03 Andreas Krebbel Ulrich Weigand PR target/25864 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf", "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations. * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions. * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr and dxr fields. (z900_cost, z990_cost, z9_109_cost): Values for the new fields added. (s390_rtx_costs): Use the new fields to calculate rtx costs. (s390_secondary_input_reload_class, s390_secondary_output_reload_class): Define secondary reloads for TFmode moves. (constant_modes): Add TFmode. (NR_C_MODES): Set to 8. * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__ builtin define. (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64. (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define. (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, CANNOT_CHANGE_MODE_CLASS): Consider TFmode. * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values. (FPR mode macro): Add TFmode. (DSF mode macro): New. (, mode attributes): Removed. (, , , , mode attributes): New. ("*cmp_ccs_0", "*cmp_ccs_0_ibm", "*cmp_ccs", "*cmp_ccs_ibm", "fix_trunc2_ieee", "floatdi2", "floatsi2_ieee", "*add3", "*add3_cc", "*add3_cconly", "*add3_ibm", "*sub3", "*sub3_cc", "*sub3_cconly", "*sub3_ibm", "*mul3_ibm", "*fmadd", "*fmsub", "*div3", "*div3_ibm", "*neg2_cc", "*neg2_cconly", "*neg2", "*neg2_ibm", "*abs2_cc", "*abs2_cconly", "*abs2", "*abs2_ibm", "*negabs2_cc", "*negabs2_cconly", "*negabs2", "sqrt2"): Changed to . R constraint replaced by . ("*mul3"): Changed to . R constraint replaced by . ("fix_truncdi2"): 'FPR:' removed. ("*fmadd", "*fmsub"): FPR mode replaced by DSF. ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 splitters. ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", "extenddftf2", "extendsftf2"): New expanders. ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns. * config/s390/s390.opt (mlong-double-128, mlong-double-64): New options. * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined. * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi, __floatditf): Add a GCC_4.1.0 symbol version tag. * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document the new options. 2006-02-02 Andrew Pinski PR target/25377 * config/i386/i386.c (ix86_function_ok_for_sibcall): Use targetm.binds_local_p instead of TREE_PUBLIC. 2006-02-02 Roger Sayle * tree.h (TYPE_STRING_FLAG): Document that this field may be used on INTEGER_TYPEs to indicate that it denotes a character type. * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on signed_char_type_node, unsigned_char_type_node and char_type_node. * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed. 2006-02-02 Zdenek Dvorak Daniel Berlin * tree-tailcall.c (arg_needs_copy_p): New function. (eliminate_tail_call): Use arg_needs_copy_p. (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis. (add_virtual_phis): New function. 2006-02-02 Jakub Jelinek * config/sparc/sparc.c (sparc_output_scratch_registers): Use #ignore instead of #scratch for %g7 .register directive. 2006-02-02 Andreas Tobler * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate object files. 2006-02-02 Bernd Schmidt * flow.c (calculate_global_regs_live): Assert that there aren't any EDGE_FAKE edges. 2006-02-02 Paolo Bonzini * tree-flow-inline.h (bsi_after_labels): Rewrite, return what its name says. * lambda-code.c (perfect_nestify): Use bsi_insert_before on bsi_after_labels iterator. * tree-if-conv.c (find_phi_replacement_condition, replace_phi_with_cond_modify_expr): Likewise. * tree-scalar-evolution.c (scev_const_prop): Likewise. * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise. 2006-02-02 Diego Novillo * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes. 2006-02-02 Diego Novillo PR 25990 * tree-cfg.c (move_block_to_fn): Clear out the basic block array after growing it. 2006-02-01 Steve Ellcey PR middle-end/24901 * fold-const.c (fold_checksum_tree): Change type of buf. 2006-02-01 Bernd Schmidt * reload.c (push_secondary_reload): Initialize t_icode. 2006-02-01 Jakub Jelinek * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For -msoft-float -mlong-double-128 only issue a warning, but don't swich to DFmode long double. 2006-02-01 Hans-Peter Nilsson * cse.c (fold_rtx) : When arg1 has a constant equivalent, iterate over equivalents for arg0, calling simplify_relational_operation and if there's a result cheaper than X, apply fold_rtx and return the result. 2006-02-01 Jan Hubicka * opts.c (no_unit_at_a_time_default): New global variable. (decode_options): Use it. * opts.h (no_unit_at_a_time_default): Declare. 2006-02-01 Paul Brook * function.c (assign_parm_setup_reg): Use function argument promotion rules. * expr.c (expand_expr_real_1): Use function argument promotion rules for PARM_DECLs. 2006-02-01 Steve Ellcey * gcc.c (process_command): Change j to 'unsigned int'. 2006-01-31 Andrew Pinski PR middle-end/26001 * expr.c (expand_expr_real_1) : Use the corrected index for the character out of the string constant. 2006-01-31 Andrew Pinski * mode-switching.c (optimize_mode_switching): Fix size allocated for bb_info[n_entities]. 2006-01-31 Andrew Pinski * gcc.c (main): Correct type that is allocated for explicit_link_files. 2006-01-31 Jakub Jelinek * config/s390/s390.c (init_alignment_context): Set ALIAS_SET_MEMORY_BARRIER on the MEM. * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise. 2006-01-31 Uttam Pawar PR middle-end/25933 * loop-unroll.c (unroll_loop_runtime_iterations): Free dom_bbs pointer. * tree-ssa-live.c (type_var_init): Allocate bitmap after call to tpa_init. 2006-01-31 Marcin Dalecki * tree-vrp.c: Use XNEW/XCNEW allocation wrappers. * regrename.c: Ditto. * tree-ssa-loop-im.c: Ditto. * tree-dump.c: Ditto. * tree-complex.c: Ditto. * genrecog.c: Ditto. * tree-ssa-threadupdate.c: Ditto. * tracer.c: Ditto. * java/class.c: Ditto. * java/jcf-parse.c: Ditto. * java/resource.c: Ditto. * java/except.c: Ditto. * java/jvspec.c: Ditto. * java/jcf-write.c: Ditto. * java/jcf-path.c: Ditto. * java/gjavah.c: Ditto. * java/zextract.c: Ditto. * java/jcf-io.c: Ditto. * java/jcf.h: Ditto. * java/buffer.c: Ditto. * java/lang.c: Ditto. * java/parse-scan.y: Ditto. * java/lex.c: Ditto. * java/lex.h: Ditto. * cfgloopmanip.c: Ditto. * postreload-gcse.c: Ditto. * tree-ssa-loop-manip.c: Ditto. * postreload.c: Ditto. * tree-ssa-loop-ch.c: Ditto. * loop.c: Ditto. * ipa-cp.c: Ditto. * cppspec.c: Ditto. * diagnostic.c: Ditto. * final.c: Ditto. * genoutput.c: Ditto. * gcc.c: Ditto. * cfghooks.c: Ditto. * cfgloopanal.c: Ditto. * objc/objc-act.c: Ditto. * gcov.c: Ditto. * genextract.c: Ditto. * genautomata.c: Ditto. * pretty-print.c: Ditto. * genemit.c: Ditto. * cgraphunit.c: Ditto. * flow.c: Ditto. * df-scan.c: Ditto. * haifa-sched.c: Ditto. * dominance.c: Ditto. * dbxout.c: Ditto. * tree-ssa-loop-ivopts.c: Ditto. * df-core.c: Ditto. * mode-switching.c: Ditto. * modulo-sched.c: Ditto. * graph.c: Ditto. * ipa-pure-const.c: Ditto. * cse.c: Ditto. * fix-header.c: Ditto. * web.c: Ditto. * tree-stdarg.c: Ditto. * ipa-utils.c: Ditto. * loop-init.c: Ditto. * ipa-inline.c: Ditto. * cfganal.c: Ditto. * global.c: Ditto. * alloc-pool.c: Ditto. * dwarf2out.c: Ditto. * opts.c: Ditto. * genattrtab.c: Ditto. * tree-ssa-loop-ivcanon.c: Ditto. * predict.c: Ditto. * timevar.c: Ditto. * lcm.c: Ditto. * fortran/gfortranspec.c: Ditto. * regmove.c: Ditto. * local-alloc.c: Ditto. * langhooks.c: Ditto. * function.c: Ditto. * tree-vectorizer.c: Ditto. * gcse.c: Ditto. * ipa-type-escape.c: Ditto. * alias.c: Ditto. * tree-if-conv.c: Ditto. * profile.c: Ditto. * ipa.c: Ditto. * tree-data-ref.c: Ditto. * loop-unroll.c: Ditto. * treelang/treetree.c: Ditto. * calls.c: Ditto. * bt-load.c: Ditto. * ggc-common.c: Ditto. * except.c: Ditto. * coverage.c: Ditto. * cselib.c: Ditto. * tree-cfgcleanup.c: Ditto. * tree-ssa-pre.c: Ditto. * cfgcleanup.c: Ditto. * loop-invariant.c: Ditto. * loop-iv.c: Ditto. * ipa-prop.c: Ditto. * print-tree.c: Ditto. * conflict.c: Ditto. * ggc-page.c: Ditto. * sched-deps.c: Ditto. * regclass.c: Ditto. * tree-object-size.c: Ditto. * combine.c: Ditto. * bb-reorder.c: Ditto. * resource.c: Ditto. * var-tracking.c: Ditto. * cfgloop.c: Ditto. * df-problems.c: Ditto. * reg-stack.c: Ditto. * tlink.c: Ditto. * gccspec.c: Ditto. * sched-rgn.c: Ditto. * tree-ssa-structalias.c: Ditto. * tree-ssa-reassoc.c: Ditto. * config/darwin-c.c: Ditto. * config/darwin.c: Ditto. * config/arm/arm.c: Ditto. * cfgrtl.c: Ditto. * collect2.c: Ditto. * reload1.c: Ditto. 2006-01-31 Nicolas Pitre * arm.md (smaxsi3): Make aware of smax_m1. (smax_m1): New. 2006-01-31 Nathan Sidwell * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants. 2006-01-31 Richard Guenther * doc/invoke.texi (-msselibm): Document. * target.h (expand_library_builtin): New target hook. * builtins.c (expand_builtin): Use expand_library_builtin. (default_expand_library_builtin): New function. * gcc.c (LINK_GCC_MATH_SPEC): Define. (LINK_COMMAND_SPEC): Handle %(link_gcc_math). (link_gcc_math_spec): Declare. (static_specs): Add link_gcc_math_spec. * expr.h (default_expand_library_builtin): Declare. * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define. (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN. * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC. * config/i386/i386.opt (msselibm): New target option. * config/i386/i386.c (ix86_builtin_function_variants): New array. (ix86_init_sse_abi_builtins): New function. (ix86_expand_library_builtin): Likewise. (TARGET_EXPAND_LIBRARY_BUILTIN): Define. (override_options): Handle error conditions wrt -msselibm. (ix86_builtins): Add function codes for SSE2 ABI builtins. (ix86_init_builtins): Call ix86_init_sse_abi_builtins. * doc/extend.texi (__builtin_sse2_*): Document new target specific builtins. 2006-01-31 Richard Guenther Paolo Bonzini * doc/install.texi (--disable-libgcc-math): Document. 2006-01-30 Marcin Dalecki * expr.h (expand_normal): new inline function. * builtins.c: use it, use EXPAND_NORMAL explicitely. * dojump.c: use it. * dwarf2out.c: use it. * expr.c: use it. * calls.c: use it. * expmed.c: use it. * except.c: use it. * config/sparc/sparc.c: use it. * config/i386/i386.c: use it. * config/rs6000/rs6000.c: use it. * config/arm/arm.c: use it. * config/mips/mips.c: use it. * stmt.c: use it, use EXPAND_NORMAL explicitely. 2006-01-30 Roger Sayle * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast argv to the appropriate type. 2006-01-30 Zdenek Dvorak * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove unreachable code. 2006-01-30 Ulrich Weigand PR target/26018 * config/s390/s390.c (struct machine_function): New flag decomposed_literal_pool_addresses_ok_p. (s390_reorg): Set it before final stage of literal pool transforms. (s390_decompose_address): Only accept displacements of the form (minus (label_ref ...) (label_ref ...)) if that flag is set. 2006-01-30 Carlos O'Donell * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias the comparison routine return. 2006-01-30 Michael Matz * global.c (find_reg): Only evict for global regs. Take n_refs into account and dump more info. 2006-01-30 J"orn Rennecke PR target/14798: * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable. (pragma_trap, pragma_nosave_low_regs): Likewise. (current_function_anonymous_args): Likewise. (sh_deferred_function_attributes): New variable. (sh_deferred_function_attributes_tail): Likewise. (print_operand): For '@', look up trap_exit attribute. (calc_live_regs): Look up trapa_handler attribute. For trapa handlers, save/restore fpscr, but don't do any other interrupt-specific saves. Don't save r0..r7 if the nosave_low_regs attribute is in effect. Fix check for partially saved registers to check for SHmedia. (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute. (sh_output_function_epilogue): Don't clear any of the removed variables. (sh_insert_attributes): Don't check pragma_interrupt. Insert deferred attributes. Check that interrupt attribute is present for other attributes that require its presence. (sh_attribute_table): Add new attributes trapa_handler and nosave_low_regs. (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute): Don't check for pragma_interrupt. Don't store argument. * sh.h (pragma_interrupt, sp_switch): Don't declare. (sh_deferred_function_attributes): Declare. (sh_deferred_function_attributes_tail): Likewise. * sh.md (sp_switch_1): Add operand. Change generator caller. (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove. (*return_i): Don't use when trap_exit attribute is in effect. (*return_trapa): New insn pattern. * sh-c.c: New file. * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza, setting c_target_objs and cxx_target_objs. * t-sh: Add rule for sh-c.o. 2006-01-30 Richard Guenther PR c++/23372 * gimplify.c (gimplify_target_expr): Handle easy cases without creating a temporary. 2006-01-30 Nathan Sidwell * vec.h (safe_grow): Remove duplicated line. 2006-01-29 Diego Novillo PR 25874 * omp-low.c (execute_expand_omp): Move CFG cleanup code ... (expand_omp): ... here. (expand_omp_parallel): Only remove barriers for combined parallel+workshare constructs. 2006-01-29 Eric Botcazou Revert 2005-11-09 Eric Botcazou * tree.c (build_qualified_type): Chain the new type to the original type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is a POINTER_TYPE or a REFERENCE_TYPE respectively. (build_pointer_type_for_mode): Only return unqualified types. (build_reference_type_for_mode): Likewise. 2006-01-29 Gabriel Dos Reis * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported. * Makefile.in (CXX_COMPAT_WARN): Define. * configure: Regenerate. 2006-01-29 Dorit Nuzman PR tree-opt/25911 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert to an if check. 2006-01-29 Gabriel Dos Reis * toplev.c: Fix thinko. 2006-01-29 Gabriel Dos Reis Marcin Dalecki * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus. (push_srcloc): Use XNEW. (init_asm_output, default_get_pch_validity): Use XNEWVEC. 2006-01-29 Kenneth Zadeck * df-core.c (df_set_blocks): Deleted all variable. 2006-01-28 Ian Lance Taylor * cgraphunit.c (cgraph_assemble_pending_functions): Call cgraph_output_pending_asms. 2006-01-28 Zack Weinberg * c.opt: Add -W(no-)overlength-strings. * doc/invoke.texi: Document it. * c-opts.c (c_common_handle_option): -pedantic implies -Woverlength-strings, if not explicitly disabled already. (c_common_post_options): -Woverlength-strings defaults to off, and is always off for C++. * c-common.c (fix_string_type): Issue warning about strings longer than is portable only if warn_overlength_strings. Rearrange code a little for clarity. * configure.in: Check for -Wno-overlength-strings as well before enabling -pedantic in stage 1. * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings. (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete. * genconditions.c (write_header, write_one_condition) (write_conditions, write_writer): Consolidate very long strings that were broken up to fit in C89 portable limit. Don't use printf when fputs will do. 2006-01-28 Adam Nemet * combine.c (simplify_comparison ): Check TRULY_NOOP_TRUNCATION before start using a subreg. * config/mips/mips.md (*branch_zero, *branch_zero_inverted, *branch_equality, *branch_equality_inverted, *branch_equality_mips16): Remove mode check from comparisons. 2006-01-28 Kenneth Zadeck * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted. 2006-01-28 Kazu Hirata * expmed.c (const_mult_add_overflow_p): Remove. * expr.h: Remove the prototype for const_mult_add_overflow_p. * recog.c (validate_replace_rtx_subexp): Remove. * recog.h: Remove the prototype for validate_replace_rtx_subexp. * integrate.h: Remove the prototype for copy_decl_for_inlining. * rtl.h: Remove the prototype for mark_constant_function. * tree-vectorizer.h: Remove the prototype for vect_strip_conversion. * modulo-sched.c (create_partial_schedule, free_partial_schedule, reset_partial_schedule): Make them static. * hooks.c (hook_bool_rtx_int_false): Remove. * hooks.h: Remove the prototype for hook_bool_rtx_int_false. 2006-01-28 David Edelsohn * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float and -mlong-double-128 are incompatible. * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same. * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c. (TARGET_LIBGCC2_CFLAGS): Define. * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same. (TARGET_LIBGCC2_CFLAGS): Same. * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX. 2006-01-28 Kazu Hirata PR c/19606. * c-typeck.c (build_binary_op): Perform implicit casts of operands before shortening them. * cfgloopmanip.c (split_loop_bb): Remove. * cfgloop.h: Remove the prototype for split_loop_bb. * cfgloop.c (flow_loop_outside_edge_p): Remove. * cfgloop.h: Remove the prototype for flow_loop_outside_edge_p. * emit-rtl.c (init_virtual_regs): Make it static. * function.h: Remove the prototype for init_virtual_regs. * recog.c (peephole2_optimize): Make it static. * recog.h: Remove the prototype for peephole2_optimize. 2006-01-27 H.J. Lu * df-scan.c (df_record_entry_block_defs): Check if INCOMING_RETURN_ADDR_RTX is defined. 2006-01-27 Daniel Berlin Kenneth Zadeck PR rtl-optimization/24762 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY. * targhooks.c (hook_void_bitmap): New hook prototype. * targhoohs.h (hook_void_bitmap): Ditto. * bitmap.h (bitmap_head_def): Moved to coretypes.h. * coretypes.h (bitmap_head_def): Moved from bitmap.h. * target.h (live_on_entry): New function pointer. * df-scan.c (df_all_hard_regs): Removed. (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs. (df_scan_free_internal): Added df->entry_block_defs. (df_scan_alloc): Ditto. (df_scan_dump): Ditto. (df_uses_record): Plumbed flag field properly thru calls. Record EH_RETURN_DATA_REGNO in eh blocks unconditionally. This part fixes PR24762. (df_bb_refs_record): Added code to make the frame and arg pointers live in EH blocks. (df_refs_record): Added call to df_record_entry_block_defs. (df_record_entry_block_defs): New function. * df-core.c: Added comments to describe new artifical defs. * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags. (entry_block_defs): New field in struct df. (df_all_hard_regs): Deleted. * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY. * df-problems.c (df_ru_bb_local_compute_process_def): Added code to handle artifical defs in the entry to a function. (df_ru_bb_local_compute): Ditto. (df_rd_bb_local_compute_process_def): Ditto. (df_rd_bb_local_compute): Ditto. (df_lr_bb_local_compute): Ditto. (df_ur_bb_local_compute): Ditto. (df_urec_bb_local_compute): Ditto. (df_chain_create_bb): Ditto. (df_ur_local_finalize): Removed entry. (df_urec_init): Ditto. (df_urec_local_finalize): Ditto. (df_ri_bb_compute): Added detection of last use of pseudos. * Makefile.in (df-scan.o): Updated dependencies. * config/mips/mips-protos.h (mips_set_live_on_entry): Added. * config/mips/mips.c (mips_set_live_on_entry): Added. * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value for target hook. * dce.c (marked_insn_p): Added code to handle artifical defs. 2006-01-27 H.J. Lu * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel intrinsic. (_mm_cvtsi128_si64): Likewise. (_mm_cvtsd_si64): Likewise. (_mm_cvttsd_si64): Likewise. (_mm_cvtsi64_sd): Likewise. (_mm_cvtsi64_si128): Likewise. * config/i386/mmintrin.h (_m_from_int64): Likewise. (_mm_cvtsi64_m64): Likewise. (_m_to_int64): Likewise. (_mm_cvtm64_si64): Likewise. * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise. (_mm_cvttss_si64): Likewise. (_mm_cvtsi64_ss): Likewise. (_mm_cvtss_f32): Likewise. 2006-01-27 Carlos O'Donell * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion for pragma redefine_extname. 2006-01-27 Jakub Jelinek PR target/25864 * libgcc-std.ver: Add GCC_4.1.0 symbol version. * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append -mno-minimal-toc to previous content. (bispecs): Remove goal. * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h. * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4 compatibility aliases on powerpc-*-*gnu*. * config/rs6000/libgcc-ppc-glibc.ver: New file. * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append libgcc-ppc-glibc.ver on powerpc*-*-*gnu*. (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs. (ldblspecs): New goal. * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed. * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and _df_to_tf. * config/fp-bit.h (TMODES): Don't define if none of TFLOAT, L_sf_to_tf or L_df_to_tf is defined. 2006-01-27 David Edelsohn Alan Modra PR target/25864 * config/rs6000/linux.h (POWERPC_LINUX): Define. * config/rs6000/linux64.h (POWERPC_LINUX): Define. * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC. * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero. * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero. * config/rs6000/rs6000.c (rs6000_ieeequad): New variable. (rs6000_override_options): Initialize rs6000_ieeequad. Initialize TFmode format to ibm_extended_format if not TARGET_IEEEQUAD. (rs6000_handle_option): Accept -mabi= ibmlongdouble and ieeelongdouble. (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts. (rs6000_return_in_memory): Only return IEEEQUAD in memory. (function_arg_advance): IBM long double passed in two FPRs, not split. (function_arg): IBM long double passed in FPRs. (rs6000_pass_by_reference): Only IEEEQUAD passed by reference. (rs6000_gimplify_va_arg): IBM long double passed in two FPRs. Only multireg GPR aligned. (rs6000_init_libfuncs): Enable IBM long double functions if not IEEEQUAD. (rs6000_generate_compare): Use IBM long double compare if not TARGET_IEEEQUAD. * config/rs6000/rs6000.h (rs6000_ieeequad): Declare. (TARGET_IEEEQUAD): Define. (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if not TARGET_IEEEQUAD. * config/rs6000/rs6000.md: Enable TFmode patterns if !TARGET_IEEEQUAD. * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c. * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float and -mlong-double-128 are incompatible. * doc/invoke.texi (-mabi): Collect options together. Add ibmlongdouble and ieeelongdouble. 2006-01-27 Richard Sandiford * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new opaque type. * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL. * varasm.c (make_decl_rtl, build_constant_desc): Likewise. (force_const_mem): Use SET_SYMBOL_REF_CONSTANT. * rtl.h (rtunion_def): Remove rt_ptr. (X0PTR): Delete. (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR. (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros. * config/i386/winnt.c (i386_pe_mark_dllexport) (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL. 2006-01-27 Gabor Loki * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo. 2006-01-26 Alexandre Oliva PR other/24829 PR target/24831 * gthr-dce.h: Do not gthrw-ify pthread_once_init, pthread_key_delete. From John David Anglin. gthrw-ify pthread_getunique_np only if it it's not a macro. Delete UNUSED macro. (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate, __gthread_objc_condition_wait, __gthread_objc_condition_broadcast, __gthread_objc_condition_signal, __gthread_key_delete): Add "__attribute__ ((__unused__))" to unused arguments. (__gthread_recursive_mutex_init_function): Add missing return. * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h, gthr-posix95.h: Use macro-based approach for name redirection on targets missing weakref. 2006-01-26 Zack Weinberg * genconditions.c (write_header): In generated code, #ifdef out all includes and fake declarations, except includes of bconfig.h and system.h, unless GCC_VERSION >= 3001. Do not include gensupport.h in any case. (write_conditions): Generate a definition of struct c_test. Add a comment to the generated #endif. (write_one_condition): Escape backslashes in string too. (write_writer): Generated code must escape backslashes and quote marks (but not newlines) in the strings it writes. * Makefile.in (build/gencondmd.o): Update dependencies. 2006-01-26 Steve Ellcey PR target/25961 * Makefile.in (insn-automata.o): Add header file dependencies. * genautomata.c: Add includes. 2006-01-26 Steve Ellcey PR target/25961 * Makefile.in (insn-automata.o): Add -Wno-error flag. 2006-01-26 Paolo Bonzini * configure.ac: Expect target tools paths to be passed from the toplevel and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of AS_SET_VAR_IF. * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove. 2006-01-26 Alexandre Oliva PR c/25892 * c.opt (Wpointer-sign): Init to -1. * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and OPT_pedantic, to 0 otherwise. * doc/invoke.texi: Update. 2006-01-26 Paolo Bonzini * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit constants provided by 80387 instructions in the destination mode. 2006-01-26 Richard Guenther Andrew Pinski PR tree-opt/21470 partial PR tree-opt/17064 * tree-ssa-structalias.c (intra_create_variable_infos): Create heap variables for incoming parameters if flag_argument_noalias > 1. (find_what_p_points_to): Look through default defs of parameter decls. 2006-01-26 Jeff Law PR ada/25900 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained within the VR_RANGE, use the VR_RANGE as the result, not the VR_ANTI_RANGE. (adjust_range_with_scev): Reject ranges from SCEV which are out of bounds for the type. 2006-01-26 Daniel Berlin * tree-ssa-alias.c (maybe_create_global_var): Change subvar walking to an assertion that we don't have subvar'd variables. 2006-01-26 Andrew Pinski PR C/25861 * c-common.c (c_common_truthvalue_conversion) : Use a new variable, inner. PARM_DECLs are always non-weak. 2006-01-26 Shantonu Sen * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for --disable-checking. 2006-01-26 Adam Nemet * config/mips/mips.md (*clear_upper32): New combiner pattern. 2006-01-26 Richard Earnshaw * arm.md (smaxsi3, sminsi3): Convert to define_expand. (smax_insn, smin_insn, smax_0, smin_0): New. 2006-01-26 Hans-Peter Nilsson PR target/25947 * config/cris/cris.c (cris_order_for_addsi3): New function. * config/cris/cris-protos.h: Prototype it. * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry") (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]") (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry") (split for "op.S1 [rx=rx+i],ry (swapped)") (split for "op(s|u).S1 [rx=rx+i],ry") (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"): Apply cris_order_for_addsi3 when generating addsi3 insns. 2006-01-25 Diego Novillo * tree.h (TREE_RANGE_CHECK): Fix range predicate. (TREE_BLOCK): Add call to EXPR_CHECK. 2006-01-25 Diego Novillo PR 25886 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE. * tree-pretty-print.c (dump_omp_clause): Extract from ... (dump_omp_clauses): ... here. (dump_generic_node): Handle OMP_CLAUSE. * tree.c (omp_clause_num_ops): New. (omp_clause_code_name): New. (tree_code_size): Handle OMP_CLAUSE. (tree_size): Likewise. (make_node): Document handling of OMP_CLAUSE. (tree_node_structure): Handle OMP_CLAUSE. (omp_clause_check_failed): New. (omp_clause_range_check_failed): New. (omp_clause_operand_check_failed): New. (build_omp_clause): New. (walk_tree): Adjust handling of OMP_CLAUSE_* nodes. * tree.h (enum omp_clause_code): Declare. (OMP_CLAUSE_SUBCODE_CHECK): Define. (OMP_CLAUSE_RANGE_CHECK): Define. (OMP_CLAUSE_ELT_CHECK): Define. (omp_clause_check_failed): Declare. (omp_clause_operand_check_failed): Declare. (omp_clause_range_check_failed): Declare. (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK. (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK. (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK. (OMP_CLAUSE_LASTPRIVATE): Likewise. (OMP_CLAUSE_IF_EXPR): Likewise. (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise. (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise. (OMP_CLAUSE_REDUCTION_CODE): Likewise. (OMP_CLAUSE_REDUCTION_INIT): Likewise. (OMP_CLAUSE_REDUCTION_MERGE): Likewise. (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise. Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY. (OMP_CLAUSE_SCHEDULE_KIND): Likewise. (OMP_CLAUSE_DEFAULT_KIND): Likewise. (OMP_CLAUSE_CODE): Define. (OMP_CLAUSE_SET_CODE): Define. (OMP_CLAUSE_CODE): Define. (OMP_CLAUSE_OPERAND): Define. (struct tree_omp_clause): Declare. (union tree_node): Add field 'omp_clause'. * treestruct.def (TS_OMP_CLAUSE): Define. * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove. (OMP_CLAUSE): Define. * print-tree.c (print_node): Handle OMP_CLAUSE. * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes. * c-typeck.c: Likewise. * gimplify.c: Likewise. * c-omp.c: Likewise. * tree-nested.c: Likewise. * tree-inline.c: Likewise. * c-parser.c: Likewise. * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on clauses. 2006-01-25 Roger Sayle PR rtl-optimization/25703 * combine.c (try_combine): Handle zero_extract and strict_low_part of non-lowpart SUBREGs for constant reg_subword_p set optimization. 2006-01-25 Peter Bergner * global.c: Fix comment typos. 2006-01-25 Andrew Pinski PR target/25758 * config/i386/i386.c (output_pic_addr_const) : Use output_addr_const instead of assemble_name. 2006-01-25 Paolo Bonzini * Makefile.in (sched-vis.o): Update dependencies. * haifa-sched.c (sched_finish): Clear current_sched_info. * cfg.c (dump_bb_info): New, split from dump_flow_info. (dump_flow_info): Call it. * passes.c (execute_todo): Call print_rtl_slim_with_bb to make a slim RTL dump. * basic-block.h (dump_bb_info): Declare. * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all option, and apply options only for dump files whose TDF_RTL, TDF_TREE, or TDF_IPA bits match. * rtl.h: Declare new functions exported from sched-vis.c. * sched-vis.c: Enable also if scheduling is not used. (print_value): Print the mode of registers if not inside scheduling. (print_insn): Make it work outside the scheduler. Beautify the output a bit. (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New. 2006-01-25 Richard Sandiford * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document. * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of a SYMBOL_REF as either a tree or a constant_descriptor_rtx, depending on the value of CONSTANT_POOL_ADDRESS_P. * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than SYMBOL_REF_DECL. * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA rather than SYMBOL_REF_DECL. (rtx_constant_pool): Remove const_rtx_sym_htab. (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete. (init_varasm_status): Don't initialize const_rtx_sym_htab. (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry. Remove handling of const_rtx_sym_htab. (find_pool_constant): Delete. (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT rather than find_pool_constant. (get_pool_constant_for_function): Delete. (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than find_pool_constant. * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields. (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros. (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P. (SYMBOL_REF_CONSTANT): New macro. (get_pool_constant_for_function): Delete. * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA rather than SYMBOL_REF_DECL. (i386_pe_mark_dllimport): Likewise. * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA rather than SYMBOL_REF_DECL. * config/darwin.c (machopic_indirect_data_reference): Likewise. (machopic_indirect_call_target): Likewise. 2006-01-25 Eric Botcazou * flow.c (delete_noop_moves): Add missing EOL to dump message. 2006-01-25 Richard Sandiford * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace. 2006-01-25 Kaz Kojima * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE. 2006-01-24 David Daney PR java/25816 * configure.ac (enable_tls): New enable option. (HAVE_AS_TLS): Don't do assembler check if enable_tls set. * configure: Regenerate. * doc/install.texi (--enable-tls): Document new option. (--disable-tls): Ditto. 2006-01-24 Richard Henderson * alias.h (ALIAS_SET_MEMORY_BARRIER): New. * alias.c (true_dependence): Respect it. (canon_true_dependence, write_dependence_p): Likewise. * builtins.c (get_builtin_sync_mem): Set it. 2006-01-25 Zdenek Dvorak * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more efficient way. 2006-01-24 DJ Delorie * expmed.c (store_bit_field): Don't arbitrarily deny using insv for storing constants in single-bit bitfields. 2006-01-25 Ben Elliston * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long. 2006-01-24 Andrew Pinski PR tree-opt/25860 * tree-ssa-pre.c (phi_translate): Return NULL for AGGREGATE_TYPE's. 2006-01-24 Zack Weinberg * genautomata.c (process_state_for_insn_equiv_partition): Use xcalloc for insn_arcs_array. * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates. (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P. 2006-01-24 Richard Henderson * genextract.c (VEC_safe_set_locstr): Take VEC by reference; update all callers. 2006-01-23 Paolo Bonzini PR rtl-optimization/25890 PR rtl-optimization/25905 * combine.c (expand_compound_operation, expand_field_assignment): Fail if the bitfield's final position is out of bounds. 2006-01-24 Ian Lance Taylor PR middle-end/25930 * cgraphunit.c (cgraph_output_in_order): Don't clear cgraph_asm_nodes until after asm strings have been output. 2006-01-23 Adam Nemet * fix-header.c (read_scan_file): Add new parameter imultilib when calling register_include_chains. 2006-01-23 Diego Novillo * omp-low.c: Update documentation. 2006-01-23 Andrew Pinski Daniel Berlin PR tree-opt/25315 PR tree-opt/25857 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal return from the function. 2006-01-22 Zack Weinberg * rtl.def (match_code): Add second argument. * genpreds.c (write_extract_subexp): New function. (write_match_code): Add path argument. Use write_extract_subexp. (write_predicate_expr): Pass path to write_match_code. (mark_mode_tests): MATCH_CODE applied to a subexpression does not perform a mode test. * genrecog.c (compute_predicate_codes): MATCH_CODE applied to a subexpression does not constrain the top-level code set. * read-rtl.c (read_rtx_variadic): New function. (read_rtx_1): Use it; allow AND and IOR to be variadic. * doc/md.texi: Document new notation. * config/i386/predicates.md (cmpsi_operand_1): Fold into ... (cmpsi_operand): ... here, using new notation. 2006-01-22 Zack Weinberg * varray.c: Remove GENERATOR_FILE #ifdefs. 2006-01-22 Zack Weinberg * genautomata.c (output_reserved_units_table): Emit nothing if description->query_units_num is zero. Remove extra blank line. (output_cpu_unit_reservation_p): Short circuit if description->query_units_num is zero. 2006-01-22 Zack Weinberg * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls nor any of the random handful of variables that used to be necessary when this program was linked with rtlanal.o. Prune set of forward function declarations. (struct attr_desc): Remove static_p field. (hash_obstack, temp_obstack, attr_hash_table, attr_printf) (check_attr_test, make_internal_attr, make_numeric_value): Make static. (attr_string): Do not read the character one past the length of the string. (write_attr_get, find_attr, make_internal_attr): Don't touch static_p. (struct insn_reserv, all_insn_reservs, last_insn_reserv_p) (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses) (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses) (make_automaton_attrs): New. (main): Do not call into genautomata. Call local gen_bypass and gen_insn_reserv as appropriate. Call make_automaton_attrs. Remove special case for insn_alts. * genautomata.c: Include gensupport.h; not genattrtab.h nor varray.h (leftover from previous change). Prune set of forward function declarations. Remove state_alts fields from all structures. Remove state_alts_table from struct automaton. Make everything except main static. Do not maintain num_dfa_decls. Do not maintain state_alts fields of various structures. (process_decls): Don't validate condexp for dm_insn_reserv decls. (add_arc): Remove state_alts argument. All callers updated. (output_reserved_units_table): Emit #ifdef here... (output_tables): ...not here. Don't generate state_alts tables. (expand_automata): Don't generate attributes. (write_automata): Don't generate state_alts functions. (main): New function. (it_is_empty_reserv_sets, output_state_alts_full_vect_name) (output_state_alts_comb_vect_name, output_state_alts_check_vect_name) (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME) (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME) (BYPASS_P_FUNC_NAME, output_state_alts_table) (output_automata_list_state_alts_code, output_internal_state_alts_func) (output_state_alts_func, make_insn_alts_attr, make_bypass_attr) (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr): Delete. * genattr.c: Declare internal_dfa_insn_code in insn-attr.h. * genattrtab.h: Delete file. * Makefile.in (OBJS-common): Add insn-automata.o. (insn-automata.o): New rule. (simple_generated_c): Add insn-automata.c. (build/genattrtab.o, build/genautomata.o): Update dependencies. (genprogmd): Add automata. (build/genattrtab): Needs no extra objects nor libraries. (build/genautomata): Needs build/vec.o and -lm. 2006-01-22 Zack Weinberg * genautomata.c (process_state_longest_path, max_dfa_issue_rate) (output_dfa_max_issue_rate, locked_states_num): Delete. (struct automaton): Add locked_states field. (output_dead_lock_vect): Save number of locked states in automaton->locked_states. If it is zero, don't print anything. (output_max_insn_queue_index_def): Define max_insn_queue_index const. (output_internal_dead_lock_func): Only test the dead_lock_vect for automata that have locked states. (output_statistics): Always print the number of locked states for each automaton. Calculate total number of locked states here. (write_automata): Don't call output_dfa_max_issue_rate. * genattrtab.c: Define length_unit_log as a const variable. * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare max_insn_queue_index const. * final.c (length_unit_log): Declare const. * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE. 2006-01-22 Zack Weinberg * genautomata.c: Include vec.h, not varray.h. Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the VLA_HWINT_ macros. Change vla_hwint_t to a typedef for VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to VEC_* macros operating on appropriately typed vectors, or to malloced arrays when the size is known in advance. Const-ify many char* variables and function arguments. No functional changes. * Makefile.in (build/varray.o): Delete rule. (build/genattrtab): Depend on build/vec.o instead of build/varray.o. (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H). 2006-01-22 Zack Weinberg * gensupport.c: Define get_insn_name and record_insn_name here. (read_md_rtx): Call record_insn_name as appropriate. * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c * genpreds.c, genrecog.c: Don't define get_insn_name nor record_insn_name. * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL. (BUILD_VARRAY): Delete. (genprognormal): Rename genprogmd. Fold in all programs from genprognoprint; also attrtab. (build/genattrtab): Just mention genautomata.o and varray.o. Reorganize a bit, add comments to make the categories clearer. 2006-01-22 Zack Weinberg * genconditions.c (condition_table, add_condition): Delete. (write_conditions): Don't emit n_insn_conditions nor insn_elision_unavailable. Issue the gcc version #ifdef here, inside the table, with no #else clause ... (write_header): ...not here. (write_writer): New function. (main): Don't initialize condition_table. Use add_c_test. Call write_writer. * gensupport.c (init_md_reader_args_cb): Handle multiple input files on the command line. (maybe_eval_c_test): Don't check insn_elision_unavailable. Return -1 if there is no entry in the table, don't abort. (add_c_test, traverse_c_tests): New functions. * gensupport.h (insn_elision_unavailable, insn_conditions) (n_insn_conditions): Delete declarations. (add_c_test, traverse_c_tests): Declare. * read-rtl.c: Include gensupport.h. (read_conditions): New function. (read_rtx): If read_rtx_1 returns 0, treat as EOF. (read_rtx_1): If we get EOF when we were looking for an initial open paren, return 0. Call read_conditions when appropriate. * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to dummy-conditions.o. Eliminate references to insn-conditions.o, or change them to build/gencondmd.o, as appropriate. Remove insn-constants.h from $(simple_generated_h) and insn-conditions.c from $(simple_generated_c). For all files remaining in those two lists, add insn-conditions.md to the generator command line. Give insn-constants.h/s-constants their own rules. Add rules for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd. (build/read-rtl.o): Depend on gensupport.h. (genprognormal): Include preds. (genprogearly): Rename genprognoprint; only difference is now that they don't link with $(BUILD_PRINT). * dummy-conditions.c: Delete. 2006-01-22 Zack Weinberg * genextract.c: Don't include insn-config.h. Do include vec.h. Declare vectors of int, char, and locstr. (locstr): New typedef. (struct extraction): Make all array fields into bare pointers. (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name. (insn_code_number): Delete. (accum_extract): New struct. (VEC_safe_set_locstr, VEC_char_to_string): New functions. (gen_insn): Take insn_code_number as an argument. Use an accum_extract structure instead of loading data directly into a struct extraction, and having to know how big it might get. (walk_rtx): Operate entirely on an accum_extract structure. (print_path): Avoid unnecessary use of printf. (print_header): New function, split out of main. Distinguish more carefully between an unrecognizable insn and an insn that has the code number of a define_expand. (main): Pass insn_code_number to gen_insn. Call print_header only after parsing. Avoid unnecessary use of printf. * Makefile.in (build/vec.o): New rule. (build/genextract): Depend on build/vec.o. (build/genextract.o): Don't depend on insn-config.h. 2006-01-22 Zack Weinberg * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or $(RUN_GEN). Use pattern rules to factor out as much boilerplate as practical. Eliminate per-generator-program link rules. 2006-01-23 Andrew Pinski PR middle-end/24437 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF with a call expr to ... * fold-const.c (fold_ternary) : Here. 2006-01-23 Richard Guenther * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment before make_edge with conditional EDGE_TRUE_VALUE. 2006-01-23 Steven Bosscher Jan Hubicka Richard Guenther PR rtl-optimization/25654 * cfgexpand.c (aggregate_contains_union_type): New function. (add_alias_set_conflicts): Call it. Make sure to add conflicts for structure variables that contain a union type. 2006-01-23 Richard Sandiford * gengtype.c (new_structure): Return the structure. (create_option): Add an extra "next" argument. (create_field): New function. (adjust_field_rtx_def): Use create_option and create_field. Remove a now-unnecessary call to find_structure. (adjust_field_tree_def): Likewise. (note_yacc_type): Remove an unnecessary call to find_structure. * gengtype.h (new_structure): Return the structure. (create_option): Add an extra argument. * gengtype-yacc.y (type): Remove unnecessary calls to find_structure. (option): Adjust calls to create_option. 2006-01-22 David Edelsohn * config/rs6000/aix.h (STACK_BOUNDARY): Define. 2006-01-22 Paul Brook Peter Barada * config/m68k/m68k.md: Add Coldfire FPU support. Define FP mode macro and associated attributes. Use it for float mode patterns. * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value. (LIBCALL_VALUE): Use m68k_libcall_value. * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype. (m68k_function_value): Ditto. (emit_move_sequence): Ditto. * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value. * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e. * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e. (MULTILIB_EXCEPTIONS): Ditto. * config/m68k/m68k.opt: Add mcfv4e. * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e. (m68k_compute_frame_layout): Include space for ColdFire FPU regs. (m68k_output_function_prologue): Save ColdFire FPU registers. (m68k_output_function_epilogue): Restore ColdFire FPU registers. (force_mode, fp_reg_operand, emit_move_sequence): New functions. (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in ColdFire FPU registers. (m68k_libcall_value, m68k_function_value): New functions. * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value. (LIBCALL_VALUE): Use m68k_libcall_value. * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__. (MASK_COLDFIRE): Add MASK_CFV4E. (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New. (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT. (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto. (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define. (GO_IF_LEGITIMATE_ADDRESS): Use it. (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses. * doc/invoke.tex: Document -mcfv4e on m68k. 2006-01-22 Ranjit Mathew * doc/contribute.texi: Change CVS to SVN and update the corresponding URL. 2006-01-21 Gabriel Dos Reis PR c++/16190 * c-opts.c (c_common_handle_option): Don't include -Wnon-virtual-dtor in -Wall; enable if -Weffc++. * doc/invoke.texi (C++ Dialect Options): Document that -Wnon-virtual-dtor is no longer included in -Wall. 2006-01-21 Joseph S. Myers * gcov.c (print_version), gcov-dump.c (print_version), mips-tdump.c (main), mips-tfile.c (main): Update copyright notice dates. 2006-01-21 Kenneth Zadeck * df-scan.c (problem_SCAN): Added NULL reset function. (df_scan_reset_blocks): Added code to call reset block function (df_bb_refs_delete) Fixed comment. (df_insn_refs_delete): Made tolerant of deleting non existent info for dataflow problems that need to be reset. * df-core.c (df_set_blocks): Ditto. * df.h (struct df_problem): Added reset_fun. * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR, problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field. (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New functions to clear out all references to def-use or use-def chains. 2006-01-21 Ben Elliston * varasm.c (assemble_real): Initialise data array. 2006-01-20 Paul Brook Merge from csl-arm-branch. 2005-09-21 Kazu Hirata * config/arm/arm.md (movdi): Force operands[1] to a register if we have a non-register source. (*arm_movdi, *movdf_soft_insn): Require that one of the operands be a register. * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise. * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise. 2006-01-20 DJ Delorie * varasm.c (initialize_constant_valid_p): Allow pointers initialized from integer constants of lesser precision. (output_constant): Allow non-int-sized pointer modes to be initialized from integer constants. 2006-01-20 Joseph S. Myers PR libstdc++/25524 * cppdefault.h (struct default_include): Add multilib flag. * cppdefault.c (cpp_include_defaults): Set it. * c.opt (-imultilib): New option. * c-opts.c (imultilib): New. (c_common_handle_option): Handle -imultilib. (c_common_post_options): Likewise. * c-incpath.c (add_standard_paths, register_include_chains): Likewise. * c-incpath.h (register_include_chains): Add extra parameter. * gcc.c (do_spec_1): Generate -imultilib option. (The Specs Language): Update %I description. (process_command): Update copyright notice. * doc/cppopts.texi (-imultilib): Document. * doc/invoke.texi (-imultilib): Include in option summary. (%I): Update specs documentation. 2006-01-20 Zdenek Dvorak * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way. 2006-01-20 Richard Sandiford * stmt.c (case_bit_test_cmp): Stabilize the sort using code label numbers. 2006-01-20 Richard Guenther Steven Bosscher PR rtl-optimization/24626 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set EDGE_TRUE_VALUE if in RTL mode. Revert 2005-03-30 Mostafa Hagog * cfgrtl.c (rtl_verify_flow_info_1): Fix. 2006-01-20 Dirk Mueller PR c++/5520 * c-parser.c (c_parser_if_body): Use build_empty_stmt() instead of a special NOP marker. * c-typeck.c (c_finish_if_stmt): Remove obsoleted special NOP marker handling. * c-common.h (empty_body_warning): Add forward declaration. * c-common.c (empty_body_warning): Add (from c_finish_if_stmt). Now uses IS_EMPTY_STMT() instead of special NOP markers. 2006-01-20 Paul Brook * Makefile.in (lang_checks): Keep going if mkdir fails. 2006-01-19 Kenneth Zadeck * df-scan.c (df_scan_free_bb_info): Added basic block parameter to be able to clean out basic block when not necessary. (df_scan_free): Fixed to properly delete information if df is unused before calling df_finish. (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink, df_insn_create_insn_record, df_bb_refs_record): Fixed formatting or comment typos. (df_bb_refs_delete): New function. (df_refs_delete): Moved per block code to df_bb_refs_delete. * df-core.c (df_set_blocks): Added code to properly clean out unused blocks if they are not part of the blocks to consider. Added additional null check. (df_compact_blocks): Added basic block parameter to free_bb_fun to be able to clean out basic block when not necessary * df.h (df_free_bb_function): Ditto. (df_bb_refs_delete): New function. * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info, df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added basic block parameter to be able to clean out basic block when not necessary. (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test. (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free): Fixed to properly delete information if df is unused before calling df_finish. 2006-01-19 Kenneth Zadeck PR rtl-optimization/25799 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n): Corrected confluence operator to remove bits from op2 before oring with op1 rather than removing bits from op1. (df_ru_transfer_function): Corrected test on wrong bitmap which caused infinite loop. Both of these problems were introduced in the dataflow rewrite. 2006-01-19 DJ Delorie * reload1.c (find_reload_regs): Note the details of reload failures in the dump file. (spill_failure): Likewise. 2006-01-20 Zdenek Dvorak * loop-iv.c: Include df.h and hashtab.h. (enum iv_grd_result): New enum. (DF_REF_IV, DF_REF_IV_SET): New macros. (struct biv_entry): New. (df, bivs): New global variables. (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no, assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p): Removed. (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr, iv_analyze_result, iv_analyze_def, biv_hash, biv_eq, analyzed_for_bivness_p, record_biv): New functions. (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p, get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op, iv_analyze, biv_p, iv_analysis_done): Work with df representation of UD chains. (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set analysed. (iv_number_of_iterations): Use new interface to iv analysis. * loop-unroll.c: Do not include varray.h. (analyze_iv_to_split_insn): Use new interface to iv analysis. * loop-unswitch.c (may_unswitch_on): Ditto. * df.c (df_bitmaps_free): Only work for bbs for that structures are allocated. (df_bb_modify): Realloc tables to the new index. (df_find_use): New function. * df.h (df_find_use): Declare. * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be outmode. * cfgloop.h (struct rtx_iv): Remove analysed field. (iv_get_reaching_def): Removed. (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare. * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency. (loop-iv.o): Add df.h and hashtab.h dependency. * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation. 2006-01-20 Alan Modra PR target/25668 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended Double TFmode. (__floatundisf, __floatundidf): Likewise. * libgcc2.h (IS_IBM_EXTENDED): Define. 2006-01-19 DJ Delorie * config/m32c/m32c.h (REG_ALLOC_ORDER): Define. 2006-01-19 Paul Brook * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions as nothrow when unwinding tables are disabled. 2006-01-19 John David Anglin PR testsuite/25171 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type of bit-field" when in system header. 2006-01-19 DJ Delorie * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with the 16 bit shift limit of the m16c. 2006-01-19 Andrew Pinski PR target/22099 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label. * config/i386/i386.c (output_set_got): Output the label if we have one for the TARGET_DEEP_BRANCH_PREDICTION case. 2006-01-19 Jan Hubicka H.J. Lu Evandro Menezes * invoke.texi (generic): Document (i686) Update. * config.gcc: Make x86_64-* and i686-* default to generic tunning. * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC, TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros. (x86_use_incdec, x86_pad_returns): New variables (TARGET_CPU_DEFAULT_generic): New constant (TARGET_CPU_DEFAULT_NAMES): Add generic. (enum processor_type): Add generic32 and generic64. * i386.md (cpu attribute): Add generic32/generic64 (movhi splitter): Behave sanely when both partial_reg_dependency and partial_reg_stall are set. (K8 splitters): Enable for generic as well. * predicates.md (incdec_operand): Use TARGET_INCDEC (aligned_operand): Avoid memory mismatch stalls. * athlon.md: Enable for generic64, new patterns for 128bit moves. * ppro.md: Enable for generic32 * i386.c (generic64_cost, generic32_cost): New. (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros. (x86_use_leave): Enable for generic64. (x86_use_sahf, x86_ext_80387_constants): Enable for generic32. (x86_push_memory, x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop, x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves, x86_partial_reg_dependency, x86_memory_mismatch_stall, x86_accumulate_outgoing_args, x86_prologue_using_move, x86_epilogue_using_move, x86_arch_always_fancy_math_387, x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule): Enable for generic. (x86_use_incdec, x86_pad_returns): New. (override_options): Add generic32 and generic64, translate "generic" to generic32/generic64 and "i686" to "generic32", refuse "generic32"/"generic64" as arch target. (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon. (ix86_reorg): Honor PAD_RETURNS. 2006-01-19 Diego Novillo * tree-pretty-print.c (dump_generic_node): Handle OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR. * cgraph.c (cgraph_expand_queue): Rename from cgraph_analyze_queue. Update all users. * cgraphunit.c (cgraph_assemble_pending_functions): Process cgraph_expand_queue. (cgraph_expand_all_functions): Likewise. (cgraph_finalize_pending_functions): Remove. Update callers. * tree.h (OMP_DIRECTIVE_P): Define. (OMP_PARALLEL_FN): Define. (OMP_PARALLEL_DATA_ARG): Define. (OMP_SECTIONS_SECTIONS): Define. * tree-pass.h (pass_expand_omp): Declare. * omp-low.c (struct omp_region): Declare. (struct omp_context): Remove fields 'parallel_type', 'parallel_start_ix' and 'parallel_start_additional_args'. Update all users. (struct omp_for_data): Rename from struct expand_omp_for_data. (omp_regions): New static variable. (root_omp_region): New static variable. (find_omp_clause): Make static. (is_in_combined_parallel_ctx): Remove. (is_combined_parallel): New. (extract_omp_for_data): Move earlier in the file. (workshare_safe_to_combine_p): New. (get_ws_args_for): New. (determine_parallel_type): Move earlier in the file. (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the child function. (omp_copy_decl): Likewise. (create_omp_child_function): Likewise. (lookup_omp_region): New. (dump_omp_region): New. (debug_omp_region): New. (debug_all_omp_regions): New. (new_omp_region): New. (scan_omp_parallel): If parallel_nesting_level > 1, the directive is nested within another parallel directive. Set OMP_PARALLEL_FN. (scan_omp_for): Do not try to handle combined parallel+for cases. Remove FIXME comment. (scan_omp_nested): Remove. (scan_omp_1): Do not call scan_omp_nested when parallel_nesting_level is > 1. Do not change the DECL_CONTEXT of local variables found. (lookup_decl_in_outer_ctx): New. (lower_rec_input_clauses): Rename from expand_rec_input_clauses. (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses. (lower_reduction_clauses): Rename from expand_reduction_clauses. (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses. If CTX is nested, lookup VAR in the outer context when building copy assignment. (lower_send_clauses): Rename from expand_send_clauses. If CTX is nested, lookup VAR in the outer context when building copy assignments. (lower_send_shared_vars): Rename from expand_send_shared_vars. If CTX is nested, lookup VAR in the outer context when building copy assignments. (expand_parallel_call): Rename from build_parallel_call. Handle combined parallel+workshare cases. Re-implement to emit code into the CFG. (list2chain): New. (expand_omp_parallel): Re-implement to emit code into the CFG. Call move_sese_region_to_fn to outline the sub-graph containing the parallel region. (expand_omp_for_1): Remove. (expand_omp_for_generic): Re-implement to emit code into the CFG. (expand_omp_for_static_nochunk): Likewise. (expand_omp_for_static_chunk): Likewise. (expand_omp_for): Likewise. (expand_omp_sections): Likewise. (remove_exit_barriers): New. (expand_omp_synch): New. (expand_omp): New. (build_omp_regions_1): New. (build_omp_regions): New. (execute_expand_omp): New. (gate_expand_omp): New. (pass_expand_omp): Define. (lower_omp_sections): Rename from expand_omp_sections. Set OMP_SECTIONS_SECTIONS. (lower_omp_single_simple): Rename from expand_omp_single_simple. (lower_omp_single_copy): Rename from expand_omp_single_copy. (lower_omp_single): Rename from expand_omp_simple. (lower_omp_master): Rename from expand_omp_master. (lower_omp_ordered): Rename from expand_omp_ordered. (lower_omp_critical): Rename from expand_omp_critical. (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate. (lower_omp_for): Re-implement. (lower_omp_parallel): Re-implement. (lower_regimplify): Rename from expand_regimplify. (lower_omp_1): Rename from expand_omp_1. If there are syntax errors in the program, replace every OpenMP directive with NOP. Call lower_omp_* instead of expand_omp_*. (lower_omp): Rename from expand_omp. * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR. * tree-gimple.h (enum omp_parallel_type): Remove. (gimple_boolify): Declare extern. (find_omp_clause, determine_parallel_type): Remove. * gimple-low.c (lower_omp_directive): New. (lower_stmt): Call it. (record_vars_into): Move from ... (record_vars): ... here. Call record_vars_into with current_function_decl. * gimplify.c (struct gimplify_ctx): Remove fields combined_pre_p and combined_ctxp. Update users. (get_formal_tmp_var): Add documentation. (gimple_boolify): Make extern. (gimplify_expr_in_ctx): Remove. Update callers. (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY will always be a BIND_EXPR. (gimplify_expr): Handle OMP_RETURN_EXPR. * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS. (OMP_PARALLEL): Add 3 operands. (OMP_SECTIONS): Add 1 operand. (OMP_RETURN_EXPR): Define. * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives. (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*. * tree-iterator.c (alloc_stmt_list): Assert that we are not creating a circular free list. (free_stmt_list): Assert that we are not freeing stmt_list_cache. * tree-flow.h (move_sese_region_to_fn): Declare. (record_vars_into): Declare. * tree-cfg.c (make_omp_sections_edges): New. (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR, OMP_SECTIONS and OMP_SECTION. (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P. (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl. (verify_stmt): Do not handle OMP_DIRECTIVE_P. (gather_blocks_in_sese_region): New. (struct move_stmt_d): Declare. (move_stmt_r): New. (move_block_to_fn): New. (move_sese_region_to_fn): New. * passes.c (init_optimization_passes): Schedule pass_expand_omp after pass_init_datastructures. * tree-ssa-operands.c (get_expr_operands): Handle OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR, OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL. 2006-01-19 Jeff Law * tree-vrp.c (extract_range_from_assert): Refine the result range if the variable referenced by the ASSERT_EXPR has a range and either the tentative result range or the previous range is a VR_ANTI_RANGE. 2006-01-19 Richard Sandiford * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses. 2006-01-19 Jan Hubicka * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error. 2006-01-19 Paolo Bonzini * combine.c (try_combine): Do not worry about MEMs wrapped by USEs. (expand_compound_operation, expand_field_assignment): Fail if the bit lengths of an extract operation are out of range. (make_extraction): Compute wanted_inner_mode based on the position and length of the extraction. Make it extraction_mode for non-constant positions, and do not modify offset in that case. When generating a new MEM, use a mode that can hold the extraction while keeping correct alignment. Remove code that supported MEMs wrapped by USEs. (simplify_shift_const_1, force_to_mode) : Remove. 2006-01-19 Andreas Krebbel * config/s390/s390.md ("Y", "y"): New mode attribute. ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc", "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly", "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64", "*addsi3_imm_cc", "*addsi3_carry1_cc", "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly", "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2", "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc", "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64", "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc", "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2", "addsi3", "subsi3"): Insn patterns removed. ("*add3_carry1_cc", "*add3_carry1_cconly", "*add3_carry2_cc", "*add3_carry2_cconly", "*add3_cc", "*add3_cconly", "*add3_cconly2", "*add3_imm_cc", "*sub3_borrow_cc", "*sub3_borrow_cconly", "*sub3_cc", "*sub3_cc2", "*sub3_cconly", "*sub3_cconly2"): New insn patterns. ("addsi3", "subsi3"): New expanders. 2006-01-19 Dorit Nuzman * Makefile.in (tree-vect-patterns.o): Add rule for new file. * tree-vect-analyze.c (vect_determine_vectorization_factor): Use existing STMT_VINFO_VECTYPE if available. (vect_mark_relevant): Add special handling for stmts that are marked as STMT_VINFO_IN_PATTERN_P. (vect_analyze_loop): Call vect_pattern_recog. * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields. * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in stmt_info. (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros. (vect_recog_func_ptr): New function-pointer type. * tree-vect-patterns.c: New file. (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern): (vect_recog_dot_prod_pattern, vect_pattern_recog): (vect_pattern_recog_1): New functions. (vect_pattern_recog_funcs): New array of function pointers. * tree-vectorizer.h (ternary_op): New enum value. * tree-vect-transform.c (vect_create_epilog_for_reduction): Added declaration. Revised documentation. Removed redundant dump prints. Removed redundant argument. Added support for reduction patterns. (vectorizable_reduction): Added support for reduction patterns. (vect_transform_stmt): Added support for patterns. * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR. * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize. * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR. (expand_widen_pattern_expr): New function. (init_optabs): Initialize new optabs udot_prod_optab, sdot_prod_optab. * optabs.h (OTI_sdot_prod, OTI_udot_prod): New. (sdot_prod_optab, udot_prod_optab): Define new optabs. (expand_widen_pattern_expr): New function declaration. * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New tree-codes. * tree-inline.c (estimate_num_insns_1): Added cases for new tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR. * tree-pretty-print.c (dump_generic_node): Likewise. (op_prio): Likewise. (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR. * tree-ssa-operands.c (get_expr_operands): Added case for DOT_PROD_EXPR. * tree-vect-patterns.c (widened_name_p): New function. (vect_recog_dot_prod_pattern): Added function implementation. * tree-vect-transform.c (get_initial_def_for_reduction): Added cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR. * config/rs6000/altivec.md (udot_prod, sdot_prodv8hi): New. * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New. * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR. * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize. * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR. (init_optabs): Initialize new optabs widen_ssum_optab, widen_usum_optab. * optabs.h (OTI_widen_ssum, OTI_widen_usum): New. (widen_ssum_optab, widen_usum_optab): Define new optabs. * tree-vect-generic.c: (expand_vector_operations_1): Check type of use instead of type of def. * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added function implementation. * config/rs6000/altivec.md (widen_usum, widen_ssumv16qi, widen_ssumv8hi): New. * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New patterns. 2006-01-19 Richard Sandiford PR c/25805 * c-decl.c (add_flexible_array_elts_to_size): New function. (finish_decl): Use it. 2006-01-18 Andrew Pinski * diagnostic.h: Include options.h. * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the dependancies for diagnostic.h. * Makefile.in (DIAGNOSTIC_H): Add options.h. 2006-01-16 Daniel Berlin * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove. (ssa_ro_call_cache_valid): Ditto. * tree-ssa-alias.c (sort_tags_by_id): New function. (init_transitive_clobber_worklist): Ditto. (add_to_worklist): Ditto. (mark_aliases_call_clobbered): Ditto. (compute_tag_properties): Ditto. (set_initial_properties): Ditto. (compute_call_clobbered): Ditto. (compute_may_aliases): Call compute_call_clobbered and grouping. (compute_flow_sensitive_aliasing): Remove clobbering related code. (compute_flow_insensitive_aliasing): Grouping now happens in our caller. (setup_pointers_and_addressables): Remove clobbering related code. (add_may_alias): Ditto. (replace_may_alias): Ditto. (get_nmt_for): Ditto. (create_global_var): (is_escape_site): Return an escape_type enumeration. * tree-flow-inline.h (is_call_clobbered): Global var does not imply call clobbered. (mark_call_clobbered): Take a reason for marking this. Remove marking of globalness, and cache invalidation. (clear_call_clobbered): Remove cache invalidation code. * tree-dfa.c (dump_variable): If details is on, dump the reason for escaping. * tree-outof-ssa.c (create_temp): Copy escape mask from original variable. * tree-flow.h (struct ptr_info_def): Add escape mask member. (struct var_ann_d): Ditto. (enum escape_type): New. (mark_call_clobbered): Adjust prototype. * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars are never call clobbered. Record reasons for escaping. * tree-ssa-structalias.h (is_escape_site): Update prototype. * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove. (ssa_ro_call_cache_valid): Ditto. (clobbered_v_may_defs): Ditto. (clobbered_vuses): Ditto. (ro_call_vuses): Ditto. (clobber_stats): New. (init_ssa_operands): Zero out clobber stats. (fini_ssa_operands): Print out clobber stats. (get_call_expr_operands): Pass callee fndecl to add_call_read_ops). (add_call_clobber_ops): Remove use of cache. Add use of PURE_CONST information. (add_call_read_ops): Remove use of cache. Add use of static not_read information. 2006-01-18 Alexandre Oliva Introduce TLS descriptors for i386 and x86_64. * config/i386/i386.h (TARGET_GNU2_TLS): New macro. (TARGET_ANY_GNU_TLS): New macro. (enum tls_dialect): Added TLS_DIALECT_GNU2. (struct machine_function): Add tls_descriptor_call_expanded_p. (ix86_tls_descriptor_calls_expande_in_cfun): New macro. (ix86_current_function_calls_tls_descriptor): Likewise. * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment. (override_options): Introduce gnu2 tls dialect. (ix86_frame_pointer_required): Functions containing TLSCALLs are not leaves. (ix86_select_alt_pic_regnum, ix86_compute_frame_layout): Likewise. (legitimize_tls_address): Adjust logic for GNU2 TLS. (ix86_init_machine_status): Initialize new field. (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS. (ix86_tls_module_base): New. * config/i386/i386-protos.h (ix86_tls_module_base): Declare it. * config/i386/i386.md (UNSPEC_TLSDESC): New constant. (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS. (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise. (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns. (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise. (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise. (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise. * config/i386/predicates.md (tls_modbase_operand): New. (tp_or_register_operand): New. 2006-01-18 Daniel Berlin * ipa-reference.c (check_operand): Allow FUNCTION_DECL. (look_for_address_of): Ditto. (ipa_init): Walk the function decls. (static_execute): Don't set readonly on FUNCTION_DECL's. 2006-01-18 Roger Sayle * config/i386/i386.md (shift spliter): Fix a a typo in the splitter for shifts where the source and destination registers are different. 2006-01-18 Paul Brook Merge from csl-arm-branch. 2005-03-14 Julian Brown * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS. (aeabi_llsl): Likewise. (ashrdi3): Likewise. (aeabi_lasr): Likewise. (lshrdi3): Likewise. (aeabi_llsr): Likewise. 2005-03-10 Julian Brown * config.gcc: Disable shared libgcc for SymbianOS. * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c. 2006-01-18 DJ Delorie * c-pragma.c (handle_pragma_diagnostic): New. (init_pragma): Register it. * doc/extend.texi: Document it. * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED. * diagnostic.h (diagnostic_classify_diagnostic): Declare. (diagnostic_context): Add classify_diagnostic[]. * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings as errors if they're overridden to DK_WARNING. (diagnostic_initialize): Initialize classify_diagnostic[]. (diagnostic_set_kind_override): New. (diagnostic_report_diagnostic): Check for kind changes. * opts.c (common_handle_option): Take lang_mask. Update callers. Handle OPT_Werror_. * common.opt (Werror=): New. * doc/invoke.texi: Document -Werror=* 2006-01-18 Jeff Law * tree-vrp.c (test_for_singularity): Correct test for new min limit. Use operand_equal_p rather than pointer equality for testing if new min/max values are equal. * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications using range information until after propagation and folding. 2006-01-18 Richard Henderson Aldy Hernandez Jakub Jelinek Diego Novillo * omp-low.c: New file. * c-omp.c: New file. 2006-01-18 Richard Henderson Jakub Jelinek Diego Novillo * doc/invoke.texi: Document -fopenmp. * tree-dump.h (debug_function): Declare. * hooks.c (hook_bool_tree_bool_false): New function. (hook_tree_tree_null): Remove. (hook_tree_tree_tree_null): New. * hooks.h: Update to match. * tree-pretty-print.c (debug_tree_chain): New. (print_generic_expr): Handle TDF_CHAIN. (dump_generic_node): Handle BLOCK. Do not abort with incomplete SWITCH_EXPRs. Do not dump body of an OpenMP directive if TDF_SLIM is given. : Don't print space after directive name. : Handle printing OMP_FOR_PRE_BODY. Handle OMP_MASTER and OMP_ORDERED. Handle printing of OMP_BODY just in one place, goto dump_omp_body in the rest of OMP_* nodes that have OMP_BODY. Don't handle clause nodes here. Update omp statements to use dump_omp_clauses. Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION, OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC, OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF, GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED, GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE, GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE. Adjust output for GOMP_PARALLEL. (dump_omp_clauses): New. (print_declaration): Dump DECL_VALUE_EXPR. (op_symbol_1): Split out of op_symbol. (dumping_stmts): Remove. Update all users. * cgraph.c (cgraph_analyze_queue): New. (cgraph_add_new_function): New. * cgraph.h (cgraph_analyze_queue): Declare. (cgraph_add_new_function): Declare. (cgraph_lower_function): Remove. * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_* nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS and TYPE_P nodes in its default clause. (empty_body_p): New. (tree_range_check_failed): New. (build5_stat): New. * tree.h (OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE, OMP_CLAUSE_REDUCTION_PLACEHOLDER, OMP_CLAUSE_PRIVATE_DEBUG, OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY, OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY, OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND, OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL, OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR, OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT, OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT, OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC, OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST, OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY, OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY, OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New. (TREE_RANGE_CHECK): New. (empty_body_p): Declare. (enum omp_clause_default_kind): New. (build_string_literal): Declare. (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New. (build5_stat, build5): Declare. * tree-pass.h (TDF_CHAIN): Define. * tree-pass.h (PROP_gimple_lomp): Define. (pass_lower_omp): Declare. * diagnostic.h (debug_tree_chain): Declare. * builtins.c (get_builtin_sync_mode): Use 0 as last argument to mode_for_size. (expand_builtin): Handle sync BUILT_IN_*_16 builtins. * builtins.c (build_string_literal): Make extern. * gcc.c (include_spec_function): New. (static_spec_functions): Add it. (main): Move load of libgomp.spec ... (LINK_COMMAND_SPEC): ... here. (link_gomp_spec): New. (static_specs): Include it. (LINK_COMMAND_SPEC): Add link_gomp. (GOMP_SELF_SPECS): New. (driver_self_specs): Include it. (switch_matches): Don't mark inline. (main): Load libgomp.spec. * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION, and OMP_SINGLE, OMP_FOR and OMP_PARALLEL. * tree-gimple.h (enum omp_parallel): Declare. (determine_parallel_type): Declare. (omp_firstprivatize_variable): Declare. (omp_reduction_init): Declare. (diagnose_omp_structured_block_errors): Declare. (struct walk_stmt_info): Add want_return_expr. (struct walk_stmt_info): Add want_bind_expr, want_locations. (find_omp_clause): Declare. (insert_field_into_struct): Declare. (struct walk_stmt_info): Move from tree-nested.c (walk_stmts): Declare. * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP to 200505. * cgraphunit.c (cgraph_lower_function): Make static. (cgraph_finalize_pending_functions): New. (cgraph_finalize_function): Call it. (cgraph_finalize_compilation_unit): Likewise. * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16, BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add. (BT_FN_UINT_UINT): New. (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_VAR_4): Document. (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT, BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR, BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT, BT_FN_VOID_OMPFN_PTR_UINT_UINT, BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG, BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New. * builtins.def: Update DEF_BUILTIN comment to include COND argument. Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins into separate files. (DEF_GOMP_BUILTIN): New. (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER, BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END, BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END, BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START, BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START, BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT, BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START, BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START, BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START, BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START, BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT, BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END, BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END, BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT, BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END, BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START, BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New. * sync-builtins.def: New file, moved from builtins.def. * omp-builtins.def: New file, moved from builtins.def. * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine. * gimple-low.c (lower_function_body): Clear data. (lower_stmt): Do not handle COMPOUND_EXPR. Remove call to print_node_brief. * c-tree.h (c_finish_omp_clauses): New prototype. (C_DECL_THREADPRIVATE_P): Define. (lookup_name_no_remap, c_omp_remap_private): Remove (c_begin_omp_parallel, c_finish_omp_parallel): Update. (check_for_loop_decls): Update decl. (lookup_name_no_remap, c_omp_remap_private): Declare. (build_indirect_ref, build_modify_expr, pushdecl, pushdecl_top_level): Move to c-common.h. * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp before the switch, but just in the 2 places that need it. * c-decl.c (diagnose_mismatched_decls): Do not check for mismatched thread-local attributes when OLDDECL is marked threadprivate and NEWDECL has no thread-local attributes. (merge_decls): Merge C_DECL_THREADPRIVATE_P. (c_gimple_diagnostics_recursively): Rename from c_warn_unused_result_recursively. Invoke diagnose_omp_structured_block_errors. (check_for_loop_decls): Return a singular decl found. * langhooks.c (lhd_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls. (lhd_omp_firstprivatize_type_sizes): New. (lhd_omp_assignment): New. (lhd_omp_predetermined_sharing): New. * langhooks.h (struct gimplify_omp_ctx): Forward declare. (struct lang_hooks_for_types): Add omp_firstprivatize_type_sizes, omp_privatize_by_reference, omp_predetermined_sharing, omp_disregard_value_expr, omp_private_debug_clause, omp_clause_default_ctor, omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor. (c_finish_omp_clauses): New. (c_finish_bc_stmt): Diagnose break within omp for. (c_begin_omp_parallel, c_finish_omp_parallel): New. (build_unary_op): Return error_mark after reporting a readonly_error. (build_modify_expr): Likewise. * gimplify.c: Include optabs.h and pointer-set.h. (enum gimplify_omp_var_data): Declare. (struct gimplify_omp_ctx): Declare. (struct gimplify_ctx): Add fields prev_context, combined_pre_p and combined_ctxp. (gimplify_ctxp, gimplify_omp_ctxp): New local variables. (push_gimplify_context, pop_gimplify_context): Allow nesting. (splay_tree_compare_decl_uid): New. (new_omp_context): New. (delete_omp_context): New. (gimple_add_tmp_var): Call omp_add_variable. (gimplify_bind_expr): Likewise. (gimplify_var_or_parm_decl): If omp_notice_variable returned true, disregard DECL_VALUE_EXPR on the decl if any. (gimplify_expr_in_ctx): New. (omp_firstprivatize_variable, omp_firstprivatize_type_sizes omp_add_variable, omp_notice_variable, omp_is_private gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1 gimplify_adjust_omp_clauses, gimplify_omp_parallel gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p gimplify_omp_atomic_fetch_op, goa_stabilize_expr gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex gimplify_omp_atomic): New. (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL and OMP_ATOMIC. (gimplify_body): Verify gimplify_ctxp is empty after gimplification. * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER, PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR, PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED, PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR, PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION, PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE, PRAGMA_OMP_THREADPRIVATE. * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS, OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define. * print-tree.c (print_node): Dump DECL_VALUE_EXPR. * tree-ssa-dce.c (find_control_dependence): Do not assume that ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR). * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for OpenMP directives. (struct nesting_info): Add field_map, suppress_expansion, debug_var_chain. (create_nesting_tree): Initialize them. (lookup_field_for_decl): Use field_map. (get_nonlocal_debug_decl, get_local_debug_decl): New. (convert_local_omp_clauses): New. (finalize_nesting_tree_1): Add debug_var_chain to toplevel block. (walk_body): Split out of walk_function. (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New. (convert_nonlocal_reference): Handle omp statements. (convert_local_reference): Likewise. (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1. (unnest_nesting_tree): New. (lower_nested_functions): Call it. (insert_field_into_struct): Make extern. (struct walk_stmt_info): Move to tree-gimple.h. (walk_stmts): Make extern. * omp-builtins.def: New file. * tree-iterator.c (expr_only): Clarify comment. * c-common.h (pushdecl_top_level, pushdecl, build_modify_expr, build_indirect_ref, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_for, c_split_parallel_clauses, omp_clause_default_kind, c_omp_sharing_predetermined, c_omp_remap_decl): Declare. * Makefile.in (BUILTINS_DEF): Add omp-builtins.def. (OBJS-common): Add omp-low.o. (c-omp.o, omp-low.o): Add. (gimplify.o): Add dependency on $(OPTABS_H). (GTFILES): Add omp-low.c. (gt-stringpool.h): Add. * tree-cfg.c (set_bb_for_stmt): Do not update the block-to-labels map if we are currently expanding to RTL. (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P checks. Handle IDENTIFIER_NODE. (tree_verify_flow_info): Do not ICE when emitting error messages about invalid labels. (dump_function_to_file): Reset CFUN before emitting the body of the function. (debug_function): New. * passes.c (init_optimization_passes): Schedule pass_lower_omp. * langhooks-def.h (lhd_omp_predetermined_sharing, lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes): Declare. (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define. (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it. (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE, LANG_HOOKS_OMP_PREDETERMINED_SHARING, LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR, LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE, LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR, LANG_HOOKS_OMP_CLAUSE_COPY_CTOR, LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP, LANG_HOOKS_OMP_CLAUSE_DTOR): Define. (LANG_HOOK_DECLS): Use them. 2006-01-18 Dmitry Kurochkin Richard Henderson Jakub Jelinek Diego Novillo * c-parser.c (pragma_omp_clause): Define. (c_parser_declaration_or_fndef): Document OpenMP syntax. (c_parser_compound_statement): Likewise. (c_parser_statement): Likewise. (c_parser_pragma): Handle omp pragmas. (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK, OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define. (c_parser_omp_clause_name, check_no_duplicate_clause, c_parser_omp_variable_list, c_parser_omp_var_list_parens, c_parser_omp_clause_copyin, c_parser_omp_clause_copyprivate, c_parser_omp_clause_default, c_parser_omp_clause_firstprivate, c_parser_omp_clause_if, c_parser_omp_clause_lastprivate, c_parser_omp_clause_nowait, c_parser_omp_clause_num_threads, c_parser_omp_clause_ordered, c_parser_omp_clause_private, c_parser_omp_clause_reduction, c_parser_omp_clause_schedule, c_parser_omp_clause_shared, c_parser_omp_all_clauses, c_parser_omp_structured_block, c_parser_omp_atomic, c_parser_omp_barrier, c_parser_omp_critical, c_parser_omp_flush, c_parser_omp_for_loop, c_parser_omp_for, c_parser_omp_master, c_parser_omp_ordered, c_parser_omp_sections_scope, c_parser_omp_sections, c_parser_omp_parallel, c_parser_omp_single, c_parser_omp_construct, c_parser_omp_threadprivate): New. * c-pragma.c (init_pragma): Do omp pragma registration here. * c.opt (fopenmp): New flag. 2006-01-18 Eric Christopher * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif. * config/darwin.h (GOMP_SELF_SPECS): Define. 2006-01-18 Kazu Hirata * rtl.h: Remove the prototype for reg_alloc. 2006-01-18 John David Anglin PR target/25731 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Override default shared libgcc version for both sjlj and dwarf2 exception handling. * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable. Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION. * pa/pa.c (function_value): Treat complex and vector types as aggregates. (function_arg): Likewise. Only pass scalar floats in the floating point argument registers. * pa/t-slibgcc-dwarf-ver: New file. * pa/t-slibgcc-sjlj-ver: New file. * pa/t-slibgcc-elf-ver: Delete file. 2006-01-19 Alan Modra * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct unlikely_test_section_p test. 2006-01-18 Kazu Hirata * mode-switching.c (optimize_mode_switching): Make it static. * basic-block.h: Remove the prototype for optimize_mode_switching. * modulo-sched.c (sms_schedule): Make it static. * rtl.h: Remove the prototype for sms_schedule. * postreload-gcse.c (gcse_after_reload_main): Make it static. * rtl.h: Remove the prototype for gcse_after_reload_main. * reg-stack.c (reg_to_stack): Make it static. * rtl.h: Remove the prototype for reg_to_stack. * regrename.c (regrename_optimize, copyprop_hardreg_forward): Make them static. * rtl.h: Remove the prototypes for regrename_optimize and copyprop_hardreg_forward. 2006-01-18 Eric Botcazou * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments. Test against the appropriate null constant for the mode. If 'fixup_overlap' is true, swap the operands if they overlap. (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair. * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into alpha_split_tmode_pair and adjust for above change. * config/alpha/alpha.md (movtf_internal): Adjust call to alpha_split_tfmode_pair and rely on it to swap the operands. (movti_internal): New insn and post-reload splitter. (movti): New expander. 2006-01-18 Philippe De Muyter * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory operands. 2006-01-18 Kazu Hirata * rtlanal.c (global_reg_mentioned_p_1, global_reg_mentioned_p): Remove. * rtl.h: Remove the prototype for global_reg_mentioned_p. * flow.c (initialize_uninitialized_subregs): Make it static. * rtl.h: Remove the prototype for initialize_uninitialized_subregs. * function.c (instantiate_virtual_regs): Make it static. * function.h: Remove the prototype for instantiate_virtual_regs. * regmove.c (regmove_optimize, combine_stack_adjustments): Make them static. * rtl.h: Remove the prototypes for regmove_optimize and combine_stack_adjustments. 2006-01-17 Roger Sayle * config/i386/i386.c (COSTS_N_BYTES): New macro. (size_cost): Encode costs in bytes so that a reg-reg addition is equivalent to COSTS_N_INSNS(1). (override_options): Use the size_cost.branch_cost as the default ix86_branch_cost when optimizing for size. 2006-01-18 Ben Elliston * Makefile.in (D32PBIT_FUNCS): New. (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise. (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS, D64PBIT_FUNCS and D128PBIT_FUNCS. (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT). * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or D128PBIT are set. (decnumber_dep): Define. * doc/libgcc.texi (Decimal float library routines): New node. * config/dfp-bit.h, config/dfp-bit.c: New files. 2006-01-18 Ben Elliston * expr.c (emit_move_change_mode): Always adjust addresses, not just during reload. Copy replacements only during reload. (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking emit_move_via_integer. 2006-01-17 Shantonu Sen * Makefile.in (check-%, check-consistency): Use $${srcdir} instead of $(srcdir) and ${srcdir}. 2006-01-17 Richard Earnshaw PR target/592 PR middle-end/11135 * arm.h (struct machine_function): Add pic_reg. * arm.c (arm_pic_register): Make unsigned. (arm_override_options): Only set arm_pic_register if TARGET_SINGLE_PIC_BASE. (use_return_insn): Only test for a pic register if it is fixed. (arm_compute_save_reg0_reg12_mask): Likewise. (thumb_compute_save_reg_mask): Likewise. (legitimate_pic_operand): Factor out some known invariants. (legitimize_pic_address): If we don't have a fixed pic register, then set up a pseudo in the function entry sequence. Handle the pic base being in a pseudo. (arm_load_pic_register): Handle the pic register being in a pseudo. (arm_expand_prologue): Only set up the pic register if it is fixed. (thumb_expand_prologue): Likewise. * arm.md (pic_load_addr_based): Handle the pic base being a pseudo. (pic_load_addr_based_insn): Likewise. (builtin_setjmp_receiver): Don't restore the pic base if it isn't fixed. 2006-01-18 Ben Elliston * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject decimal float modes for all floating point registers. * config/rs6000/predicates.md (reg_or_mem_operand): Pair up match_code "mem" with match_test "macho_lo_sum_memory_operand". 2006-01-17 Jakub Jelinek PR c/25682 * c-typeck.c (build_unary_op): Fold offsetof-like expressions even when the pointer is not NULL. 2006-01-16 Ian Lance Taylor * common.opt (ftoplevel-reorder): New option. * cgraph.c (cgraph_asm_nodes): New global variable. (cgraph_asm_last_node): New static variable. (cgraph_order): New global variable. (cgraph_create_node): Set new order field. (cgraph_varpool_node): Likewise. (decide_is_variable_needed): Return true if not flag_toplevel_reorder. (cgraph_add_asm_node): New function. * cgraph.h (struct cgraph_node): Add order field. (struct cgraph_varpool_node): Add order field. (struct cgraph_asm_node): Define. (cgraph_asm_nodes, cgraph_order): Declare. (cgraph_add_asm_node): Declare. * cgraphunit.c (cgraph_varpool_assemble_decl): New static function. (cgraph_varpool_assemble_pending_decls): Call it. (cgraph_output_pending_asms): New static function. (cgraph_finalize_compilation_unit): Call it. (struct cgraph_order_sort): Define. (cgraph_output_in_order): New static function. (cgraph_optimize): Call cgraph_output_pending_asms. Add code for !flag_toplevel_reorder case. * c-parser.c: Include "cgraph.h". (c_parser_asm_definition): Call cgraph_add_asm_node rather than assemble_asm. * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather than -fno-unit-at-a-time. * doc/invoke.texi (Option Summary): Mention -fno-toplevel-reorder. (Optimize Options): Document -fno-toplevel-reorder. Mention it in -funit-at-a-time documentation. 2006-01-17 Hans-Peter Nilsson Kazu Hirata * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h. 2006-01-17 Kazu Hirata * Makefile.in (FUNCTION_H): New. Use it instead of function.h throughout the file. * function.h: Include tree.h. 2006-01-17 Ben Elliston * recog.c: Separate some functions with whitespace. 2006-01-16 Richard Henderson Merge from gomp branch: * Makefile.in (TREE_INLINE_H): New. Use it as needed. * tree-inline.h (struct copy_body_data): Move from tree-inline.c and rename from struct inline_data. Rename callee* to dst*; caller* to src*; add copy_decl hook, transform_call_graph_edges, transform_new_cfg, transform_return_to_modify, and transform_lang_insert_block flags; remove cloning_p, versioning_p, update_clones_p. (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare. (copy_decl_for_dup): Remove. * tree-inline.c (struct inline_data): Move to header. (insert_decl_map): Export. (remap_decl): Update for member name changes. Use copy_decl hook. Allow for replacement to be a non-decl. Remove dead code. (remap_type_1): Check for existing mapping. (remap_type): Export. (remap_decls): Update for member name changes. (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise. (copy_body, setup_one_parameter, declare_return_variable): Likewise. (expand_call_inline, optimize_inline_calls, clone_body): Likewise. (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise. (tree_function_versioning, build_duplicate_type): Likewise. (copy_body_r): Likewise. Export. (copy_decl_for_dup): Split into ... (copy_decl_for_dup_finish, copy_decl_to_var, copy_decl_no_change, copy_decl_maybe_to_var): ... these. (replace_ref_tree, inlining_p): Remove. 2006-01-16 Kazu Hirata * ifcvt.c (if_convert): Make it static. * rtl.h: Remove the prototype for if_convert. * local-alloc.c (local_alloc): Make it static. * rtl.h: Remove the prototype for local_alloc. * loop.c (loop_optimize): Make it static. * cfgloop.h: Remove the prototype for loop_optimize. * rtl.h: Likewise. 2006-01-16 DJ Delorie * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of mems. 2006-01-16 John David Anglin * pa.md: Disparage copies between general and floating-point registers in 32-bit move patterns. 2006-01-16 H.J. Lu PR testsuite/25741 * Makefile.in (check-%): Depend on site.exp instead of $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language directories. 2006-01-16 Kazu Hirata * global.c (global_alloc): Make it static. * rtl.h: Remove the prototype for global_alloc. 2006-01-16 Richard Guenther * tree-ssa-alias.c (struct used_part): Add write_only field. (get_or_create_used_part_for): Initialize it to true. (create_overlap_variables_for): Don't create structure variables for structures that only are written to. (find_used_portions): Handle MODIFY_EXPR to track whether a structure is only written to. 2006-01-16 Kazu Hirata * bb-reorder.c (partition_hot_cold_basic_blocks): Make it static. * basic-block.h: Remove the prototype for partition_hot_cold_basic_blocks. 2006-01-16 Rafael Ãvila de EspÃ�­ndola * cppspec.c (lang_specific_spec_functions): Remove. * gcc.c (lookup_spec_function): Use static_spec_functions directly. * gcc.h (lang_specific_spec_functions): Remove. * gccspec.c (lang_specific_spec_functions): Remove. 2006-01-16 Paolo Bonzini * combine.c (record_value_for_reg): Invalidate registers if INSN is null. (record_dead_and_set_regs_1): Likewise, by passing them to record_value_for_reg. (record_dead_and_set_regs): Invalidate stores made by a call. We do not combine across a call, but we still relied on equivalences. 2006-01-16 Eric Botcazou * tree-vrp.c (extract_range_from_binary_expr): Cope with vrp_int_const_binop returning non-constant nodes. 2006-01-16 Paul Brook * config/m68k/m68k.c (output_move_const_into_data_reg): Output correct mnemonic for mvz and mvs. 2006-01-16 Gabor Loki * rtl-factoring.c: Add sequence abstraction algorithm. * cfgcleanup.c (outgoing_edges_match): Extra checks. (try_crossjump_to_edge): Avoid deleting preserve label when redirecting ABNORMAL edges. (block_has_preserve_label): New function. * common.opt: Register new pass. * Makefile.in: Ditto. * passes.c: Ditto. * timevar.def: Ditto. * tree-pass.h: Ditto. * emit-rtl.c (make_jump_insn_raw): Remove forward decl. * rtl.h (make_jump_insn_raw): Add forward decl. * doc/invoke.texi: Add documentation for -frtl-abstract-sequences. 2006-01-16 Eric Botcazou Roger Sayle * fold-const.c (fold_minmax): New static function. (fold_binary) : Call it. : Likewise. * stor-layout.c (place_field): Use DECL_SIZE consistently in the computation of the new record size. 2006-01-16 Kazu Hirata * cse.c (cse_condition_code_reg): Make it static. * rtl.h: Remove the prototype for cse_condition_code_reg. * combine.c (combine_instructions): Make it static. * rtl.h: Remove the prototype for combine_instructions. 2006-01-15 John David Anglin PR target/25168 * tree.c (get_file_function_name_long): Concatenate the first global object name with a string derived from the input filename of the object for type "F". 2006-01-16 Ben Elliston * config/i386/winnt-stubs.c: Update FSF address. * config/xtensa/ieee754-df.S: Ditto. * config/xtensa/ieee754-sf.S: Ditto. 2006-01-14 Ian Lance Taylor * ifcvt.c (noce_init_if_info): New static function, broken out of noce_process_if_block. (noce_process_if_block): Call noce_init_if_info. (check_cond_move_block): New static function. (cond_move_process_if_block): New static function. (process_if_block): Call cond_move_process_if_block. 2006-01-15 Kazu Hirata * cselib.c (hash_table): Rename to cselib_hash_table. (cselib_clear_table, discard_useless_values, remove_useless_values, cselib_lookup_mem, cselib_lookup, cselib_init, cselib_finish): Adjust uses of hash_table. 2006-01-14 Kazu Hirata PR tree-optimization/25485 * tree-vrp.c (extract_range_from_binary_expr): Handle cases where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR is known to be false and true, respectively. 2006-01-14 Richard Guenther PR tree-optimization/22548 PR tree-optimization/22555 PR tree-optimization/22501 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H). * params.def (salias-max-array-elements): New parameter. * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define. * doc/invoke.texi (salias-max-array-elements): Document. * tree-flow-inline.h (var_can_have_subvars): We also handle arrays now. * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like COMPONENT_REF. * tree-ssa-structalias.c (params.h): Include. (push_fields_onto_fieldstack): Handle ARRAY_TYPE. (find_func_aliases): Handle multiple constraints from ARRAY_REF. (get_constraint_for): For ADDR_EXPR operating on something containing an ARRAY_REF, add all subvars to the solution. (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types. * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF for creating MUST_DEFs. (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars. 2006-01-14 Zdenek Dvorak * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several functions. (number_of_iterations_ne, number_of_iterations_lt_to_ne, assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt, number_of_iterations_le): New functions. (number_of_iterations_special): Removed. (number_of_iterations_exit): Do not use number_of_iterations_special. * tree.c (unsigned_type_for): Always return integer type. 2006-01-14 Steven Bosscher Richard Guenther PR rtl-optimization/24257 * gcse.c (find_moveable_store): Only consider a store movable when the SET_SRC of the insn can be assigned to a register. 2006-01-14 Ian Lance Taylor * tree.c (tree_not_class_check_failed): New function. * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed. (tree_not_class_check_failed): Declare. 2006-01-13 Ian Lance Taylor * reload1.c (do_output_reload): Add assertion rejecting a CALL_INSN. 2006-01-13 Adam Nemet * combine.c (struct reg_stat): Add new fields truncation_label and truncated_to_mode. (record_value_for_reg): Reset truncated_to_mode. (record_truncated_value): New function. (check_promoted_subreg): Call it. Rename to check_conversions. (combine_instructions): Rename check_promoted_subreg to check_conversions. (reg_truncated_to_mode): New function. (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION. (gen_lowpart_or_truncate): New function. (force_to_mode): Use it instead of gen_lowpart. 2006-01-13 Diego Novillo * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether VAR is a tag, not its type tag. 2006-01-13 Alexandre Oliva * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder alternatives to match style of other entries. (*vec_extractv2di_1_sse): Likewise. Fix mode attr. 2006-01-13 Daniel Berlin PR tree-optimization/25771 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal SSA_NAMES. 2006-01-13 Andrew Pinski PR tree-opt/24365 * tree-inline.c (declare_return_variable): If the return variable was marked as a non gimple complex, set the return slot variable to be a non gimple comple variable. 2006-01-13 Richard Guenther * builtins.c (expand_builtin_sincos): New function. (expand_builtin_mathfn_3): Remove dead code, sin and cos do not set errno. (expand_builtin): Expand sincos using expand_builtin_sincos. 2006-01-12 DJ Delorie * config/m32c/shift.md: Rewrite: Allow arbitrary operands for shift counts, separate SI shifts for m32c vs m16c, pass shift type so that constant shifts can be split. * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6. (m32c_valid_pointer_mode): Make static. (shift_gen_func_for): New. (m32c_prepare_shift): Use it. Split large const shifts into multiple shifts. * config/m32c/predicates.md (shiftcount_operand): Allow more general operands. (longshiftcount_operand): New. * doc/md.texi (Machine Constraints): Document In6. 2006-01-13 Ben Elliston * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32, REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128 documentation. 2006-01-12 Daniel Berlin * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR to try to avoid clobbering pieces of structures when we know something about the whole structure. * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR 2006-01-13 Ben Elliston * doc/rtl.texi (Insns): Remove statement that libcalls cannot return in memory, as this is no limitation is no longer present. 2006-01-12 DJ Delorie * config/m32c/addsub.md (addhi3): Add two more alternatives, for mova with fb, and for fb+0 -> An. * config/m32c/mov.md (peephole2): Fix enabling logic. * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP, FINI_ARRAY_SECTION_ASM_OP): Define. * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary variable. (m32c_legitimize_reload_address): New logic to reload FB to An. (m32c_output_reg_push): Add newline. (m32c_output_reg_pop): Likewise. 2006-01-12 Ulrich Weigand * struct-equiv.c (find_dying_inputs): Fix off-by-one bug. 2006-01-11 Andrew Pinski * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define. 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. 2006-01-11 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. 2006-01-11 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. 2006-01-11 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.