X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;ds=sidebyside;f=gcc%2FChangeLog;h=a175283ffdfc623ba4273fdf7d2dc0f82cdeae39;hb=4cf22dc69cc5cad4300cb5a39f7e74c76a16919d;hp=ff7e392a1779bd6e05cba307584fe3e9ea4021ee;hpb=c3d4fc14753b0f121a01bfaea72c3a538bdac690;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ff7e392a177..31f059cdd7f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,1592 @@ +2004-09-26 Joseph S. Myers + + PR c/11459 + * gcc.c (cpp_options, cc1_options): Preserve relative order of + -std and -ansi options. + +2004-09-26 Jan Hubicka + + * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die + for nested functions whose proper parent has not been output. + + * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes + when re-constructing profile previously invalidated by loop. + +2004-09-25 Dale Johannesen + + * tree-gimple.c: Move GIMPLE definition... + * doc/tree-ssa.texi: here. + +2004-09-25 Kazu Hirata + + * tree-vectorizer.c: Fix a comment typo. + +2004-09-25 Kazu Hirata + + * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c, + gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h, + lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c, + tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting. + +2004-09-25 Kazu Hirata + + * tree-ssa-loop-unswitch.c: Fix a comment typo. + +2004-09-25 Kazu Hirata + + * doc/passes.texi: Fix a typo. + +2004-09-25 Zdenek Dvorak + + * tree-optimize.c (init_tree_optimization_passes): Add + pass_record_bounds. + * tree-pass.h (pass_record_bounds): Declare. + * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds): + New pass. + +2004-09-25 Zdenek Dvorak + + PR tree-optimization/17474 + * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine + offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0. + +2004-09-25 Jan Hubicka + + * predict.c (counts_to_freqs): Make global. + * predict.h (counts_to_freqa): Declare. + * profile.c (compute_branch_probabilities): Compute frequencies + * tree-profile.c (do_tree_profiling): Refine conditional on when + tree profiling pass is needed. + + * passes.c (rest_of_handle_cfg): Disable const/pure function + detection when doing tree based profiling. + + * tree-inline.c (expand_call_inline): Fix incorrectly reversed + conditional. + +2004-09-25 Richard Sandiford + + * config/mips/mips.h (struct mips_args): Clarify comments. + * config/mips/mips.c (struct mips_arg_info): Likewise. + (mips_arg_info): Don't allow fpr_p to affect the register or + stack alignment. Remove o64 silliness. + (function_arg): Deal with the o32 float,float case specially. + +2004-09-25 Richard Sandiford + + * config/mips/mips.md (loadx, storex): Define for V2SF. + +2004-09-25 Ulrich Weigand + + * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype. + * config/s390/s390.c (s390_back_chain_rtx): New function. + * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx. + Call anti_adjust_stack. + ("restore_stack_block"): Use s390_back_chain_rtx. Enable pattern + only if compiling with back chain. + ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore + back chain only if back chain enabled. Use s390_back_chain_rtx. + +2004-09-25 Joseph S. Myers + + * doc/trouble.texi: Remove obsolete information. Update + information on how to regenerate fixincluded headers. + +2004-09-25 Joseph S. Myers + + PR c/12951 + * doc/invoke.texi: Document that + -Wno-error-implicit-function-declaration is not accepted. + +2004-09-24 Richard Henderson + + * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New. + * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend + on TARGET_MAX. + (alpha_expand_mov): Allow unaligned vectors. + (alpha_expand_unaligned_store): Use CONST0_RTX. + (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New. + +2004-09-24 Jeff Law + + * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict + aliasing rules. + (simplify_cond_and_lookup_avail_expr): Likewise. + +2004-09-24 Joseph S. Myers + + PR c/12802 + * doc/extend.texi (Unnamed Fields): Remove "." from end of long + title. Document interaction with -fms-extensions. + * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields + section. + +2004-09-24 Joseph S. Myers + + PR c/12713 + * doc/extend.texi: Document interaction of attribute noreturn and + longjmp. + +2004-09-24 Richard Henderson + + PR rtl-opt/17503 + * regclass.c (subregs_of_mode): Turn into an htab. Make static. + (som_hash, som_eq): New. + (init_subregs_of_mode, record_subregs_of_mode): New. + (cannot_change_mode_set_regs): Rewrite for htab implementation. + (invalid_mode_change_p): Likewise. + * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode. + * flow.c (mark_used_regs): Likewise. + (life_analysis): Use init_subregs_of_mode. + * regs.h (subregs_of_mode): Remove. + * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare. + +2004-09-24 Andrew Pinski + + * tree-ssa-phiopt.c (conditional_replacement): Use the correct + type with the copy of the conditional. + +2004-09-24 Andrew Pinski + + PR tree-opt/16954 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): + Prevent renaming if the aliasing sets of the type which the + pointer points to are different. + +2004-09-24 Joseph S. Myers + + PR c/17188 + * c-decl.c (diagnose_mismatched_decls): Check for duplicate + declarations of enumerators. + (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check + for redefinition. Check for nested redefinition. + (finish_struct): Don't check for nested redefinition. + (start_enum): Check for nested redefinition. + +2004-09-24 Devang Patel + + * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable + only when necesssary. + (combine_blocks): Combine loop header and exit block. + +2004-09-24 Paolo Bonzini + + * hooks.c (hook_tree_tree_bool_null): New. + * hooks.h (hook_tree_tree_bool_null): Declare it. + * target-def.c (TARGET_FOLD_BUILTIN): Point to it. + * targhooks.c (default_fold_builtin): Remove. + * targhooks.h (default_fold_builtin): Remove. + +2004-09-24 Zdenek Dvorak + + PR rtl-optimization/17625 + * loop-doloop.c (doloop_modify): Unshare rtl before emitting it. + +2004-09-24 Andrew Pinski + + PR tree-opt/17624 + * tree-ssa-forwprop.c (record_single_argument_cond_exprs): + Reject if any of the operands occur in an abnormal PHI. + +2004-09-24 Andreas Schwab + + * tree-ssa-dom.c (record_range): Fix violation of strict aliasing + rules. + +2004-09-24 Eric Botcazou + + * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h + if the GNU assembler is used. + (sparc-*-solaris2*): Likewise. + * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero. + (dbxout_function_end): Protect N_ENSYM with it. + (dbxout_begin_prologue): Protect N_BNSYM with it. + * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it. + * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1. + * config/sparc/sol2-gas.h: New file. + +2004-09-23 H.J. Lu + + PR bootstrap/17369 + * Makefile.in (@set_gcc_lib_path@): Added. + + * configure.ac: Include ../config/gcc-lib-path.m4. Use + TL_AC_GNU_MAKE_GCC_LIB_PATH. + * configure: Regenerated. + +2004-09-24 Joseph S. Myers + + PR c/6980 + * c-typeck.c (build_c_cast): Improve wording of + -Wbad-function-cast diagnostic. + +2004-09-23 Hans-Peter Nilsson + + PR target/17626 + * config/cris/cris.md (moverside, movemside): Rename variable + "reg" to "otherop". To generate canonical RTX, check that otherop + isn't constant instead of checking that operand 1 is a register. + +2004-09-23 Jakub Jelinek + + * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR. + +2004-09-23 Diego Novillo + Jakub Jelinek + + * tree-flow.h (find_new_referenced_vars): Add prototype. + * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars): + Move to... + * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars): + ... here. + (mark_new_vars_to_rename): Walk through all operands. + * tree-ssa-ccp.c (convert_to_gimple_builtin): New function. + (execute_fold_all_builtins): Use it. + (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish. + +2004-09-23 P.J. Darcy + + * gthr-tpf.h: New file. + * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'. + * gthr.h: Use gthr-tpf.h on TPF OS. + +2004-09-23 Jeff Law + + * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather + than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV. + (substitute_and_fold): Likewise. + * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything + except invariants from SSA_NAME_VALUE. + (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV + and SET_SSA_NAME_EQUIV. + (restore_vars_to_original_value, record_const_or_copy): Likewise. + (record_equivalences_from_phis, record_const_or_copy_1): Likewise. + (record_equality, cprop_into_successor_phis): Likewise. + (record_equivalences_from_stmt, cprop_operand): Likewise. + (lookup_avail_expr): Likewise. + * tree-ssa-pre.c (fini_pre): Remove everything except invariants + from SSA_NAME_VALUE. + * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill. + (struct tree_ssa_name): Kill EQUIV field. Remove GGC skip + annotation from the VALUE_HANDLE field. + +2004-09-21 Fariborz Jahanian + + PR c++/13989 + PR c++/9844 + * tree.c (reconstruct_complex_type): Remove extra "this". + * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): + Add V4SFmode to case statement. + +2004-09-23 Joseph S. Myers + + PR c/16833 + * doc/extend.texi, doc/invoke.texi: Document interaction of + -fno-builtin with format checks. Note that built-in functions + have effects beyond generating code that avoids calls to those + functions. + +2004-09-23 Frank Ch. Eigler + + PR tree-optimization/17533 + * dominance.c (verify_dominators): Tolerate even more incorrect + dominance data during error message printing. + * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks + and edges more correctly. + +2004-09-23 Dorit Naishlos + + * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF): + New tree-codes. + * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and + MISALIGNED_INDIRECT_REF. + * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise. + * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos): + Likewise. + * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base) + (find_interesting_uses_address): Likewise. + * fold-const.c (non_lvalue, operand_equal_p): Likewise. + (build_fold_addr_expr_with_type): Likewise. + * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise. + * print-rtl.c (print_mem_expr): Likewise. + * tree-dump.c (dequeue_and_dump): Likewise. + * tree-eh.c (tree_could_trap_p): Likewise. + * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise. + * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise. + * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by): + Likewise. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. + * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise. + * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise. + * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise. + (add_address_candidates, rewrite_address_base): Likewise. + * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands): + Likewise. + * tree.c (staticp, build1_stat): Likewise. + + * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes. + * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR. + * tree-ssa-operands.c (get_expr_operands): Likewise. + * expr.c (expand_expr_real_1): Likewise. + + * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New + optabs. + (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values + for the new optabs. + (expand_ternary_op): New function. + * genopinit.c (optabs): Handle the new optabs. + * optabs.c (optab_for_tree_code): Add cases for the new tree-codes. + (init_optabs): Initialize vec_realign_load_optab. + (expand_ternary_op): New functions. + + * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target. + (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize. + (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise. + (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise. + * target.h (struct vectorize): New member for struct gcc_target. + (misaligned_mem_ok): New member for targetm.vectorize. + (builtin_mask_for_load): Likewise. + (builtin_mask_for_store): Likewise. + * targethooks.c (default_vect_misaligned_mem_ok): New function. + * targethooks.h (default_vect_misaligned_mem_ok): New function. + + * config/rs6000/altivec.md (build_vector_mask_for_load): New + define_expand. + (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi) + (vec_realign_load_v16qi): New define_insn. + * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD): + (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins. + * config/rs6000/rs6000.c (altivec_builtin_mask_for_load): + (altivec_builtin_mask_for_store): New variables. + (rs6000_builtin_mask_for_load): New function. Implements + TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD. + (rs6000_builtin_mask_for_store): New function. Implements + TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE. + (rs6000_expand_builtin): Expand the target builtins + builtin_mask_for_load and builtin_mask_for_store. + (altivec_init_builtins): Initialize the new target builtins. + * config/i386/i386.c (ix86_misaligned_mem_ok): New function. + Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK. + + * tree-vectorizer.c (vect_create_data_ref): Renamed to + vect_create_data_ref_ptr. Returns a pointer instead of an array-ref. + (vect_create_addr_base_for_vector_ref): Additional argument (offset). + (vectorizable_store): Call vect_create_data_ref_ptr with additional + arguments, and create an indirect_ref with its return value data_ref. + Check aligned_access_p. + (vectorizable_load): Handle misaligned loads, using software-pipelined + scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if + vec_realign_load_optab is supported, or using a scheme without + software-pipelining with MISALIGNED_INDIRECT_REF if the target hook + misaligned_mem_ok is supported. + + (vect_finish_stmt_generation): Typo. + (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info. + (vect_analyze_data_refs_alignment): Don't fail vectorization in the + presence of misaligned loads. + (vect_analyze_data_ref_access): Add check for constant init. + (vect_get_symbl_and_dr): Remove duplicate line. + * tree-vectorizer.h (DR_MISALIGNMENT): Add comment. + +2004-09-23 Kazu Hirata + + * builtins.c: Fix a comment typo. + +2004-09-23 Jan Hubicka + + * profile.c (branch_prob): Do not verify flow info in the middle of the + pass. + +2004-09-23 Zdenek Dvorak + + * cfgloop.h (update_single_exits_after_duplication): Declare. + (loopify, split_loop_bb): Declaration changed. + * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead + of rtx. + (loopify): Added redirect_all_edges argument. + (update_single_exits_after_duplication): Export. + * loop-unswitch.c (unswitch_loop): Changed due to loopify change. + * tree-flow.h (tree_duplicate_loop_to_header_edge, + tree_ssa_loop_version): Declare. + * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables, + set_phi_def_stmts, tree_duplicate_loop_to_header_edge, + lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge, + lv_update_pending_stmts, tree_ssa_loop_version): New functions. + + * tree-ssa-loop-unswitch.c: New file. + * Makefile.in (tree-ssa-loop-unswitch.o): Add. + * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar. + * tree-flow.h (tree_ssa_unswitch_loops): Declare. + * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch. + * tree-pass.h (pass_unswitch): Declare. + * tree-ssa-loop.c (tree_ssa_loop_unswitch, + gate_tree_ssa_loop_unswitch, pass_unswitch): New pass. + * doc/passes.texi: Documen tree level loop unswitching. + +2004-09-23 Kazu Hirata + + * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos. + +2004-09-22 Eric Christopher + + * builtins.c (simplify_builtin_va_start): Remove. + (simplify_builtin): Ditto. + (fold_builtin_strchr): Ditto. + (simplify_builtin_*): Rename remainders to fold_builtin_*. + (expand_builtin): Fix up for above changes. + (fold_builtin_1): Add new folders. Change for above. + (expand_builtin_va_start): Call fold_builtin_next_arg. + * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin. + * tree.h: Remove prototype for simplify_builtin. + +2004-09-23 Jan Hubicka + + PR debug/17389 + * dwarf2out.c (dwarf2out_finish): Deal with nested functions + of fully inlined functions. + * tree-inline.c (inline_forbidden_p_1): Nested functions can be + inlined. + + * cfgexpand.c (add_reg_br_prob_note): New function. + (expand_gimple_cond_expr): Use it. + (tree_expand_cfg): No longer kill the profile. + * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency + only if it is present. + * passes.c (rest_of_handle_loop_optimize): Kill the profile. + * predict.c (combine_predictions_for_insn): Set the probabilities + based on REG_BR_PROB note if present. + * predict.c (branch_prob): Profile is read only with + flag_branch_probabilities. + +2004-09-22 Kelley Cook + + * aclocal.m4: Add in gettext's m4 includes. + (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove. + * configure.ac: Add in check for iconv.h + * configure: Regenerate. + +2004-09-22 Kelley Cook + + * aclocal.m4: Update for rename of gettext-sister.m4. + +2004-09-22 Daniel Berlin + + Fix PR tree-optimization/17587 + * tree-ssa-pre.c (fini_pre): Commit edge inserts here. + (insert_aux): Instead of here. + +2004-09-22 Diego Novillo + + PR tree-optimization/16721 + * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE. + * tree-ssa-alias.c (create_memory_tag): Move setting of + TREE_THIS_VOLATILE ... + (get_tmt_for): ... here. + +2004-09-22 Eric Botcazou + + * config/sparc/sparc.md (cmove splitter): Fix formatting. + (conditional_trap expander): Reject inappropriate CCmodes. + (conditional trap insn): Use V9 syntax if possible. + +2004-09-22 Joseph S. Myers + + PR c/16566 + * c-typeck.c (build_component_ref): Don't special-case + COMPOUND_EXPR. + +2004-09-22 Frank Ch. Eigler + + * dominance.c (verify_dominators): Don't SEGV if recount_dominator + returns NULL. + +2004-09-22 Kazu Hirata + + * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR, + TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR, + TRUTH_XOR_EXPR): Mention the restriction on types. + +2004-09-22 Matt Austern + + * config/darwin.c (darwin_make_decl_one_only): + Allow coalesced symbol to appear in static archive's table of contents + +2004-09-22 Kazu Hirata + + PR tree-optimization/17512 + * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as + special cases. + +2004-09-22 David Edelsohn + + * dbxout.c (get_lang_number): Do not define if + DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined. + +2004-09-22 Ralf Corsepius + + PR target/15583 + * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add + builtin_define ("__USE_INIT_FINI__"). + +2004-09-22 P.J. Darcy + + * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype. + * config/s390/s390.c (s390_emit_tpf_eh_return): New function. + * config/s390/s390.h (TARGET_TPF): New macro. + * config/s390/s390.md ("eh_return"): New expander. + * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than + unwind-dw2-fde-glibc.c. Add config/s390/tpf-eh.c. + (LIB2ADDEHDEP): Remove unwind-dw2-fde.c. + * config/s390/tpf.h (TARGET_TPF): Define to 1. + (STACK_POINTER_OFFSET): Increase to 448. + (TARGET_DEFAULT): Set -mtpf-trace on as default. + (TPF_LOC_DIFF_OFFSET): New macro. + (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute + encoding. + (__isPATrange): Add prototype. + (MD_FALLBACK_FRAME_STATE_FOR): Define. + * config/s390/tpf-eh.c: New file. + +2004-09-22 Diego Novillo + + * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening + operands in an integer comparison. + * tree-cfg.c (find_taken_edge): Call fold() to determine + whether the predicate is known. + +2004-09-22 Kelley Cook + + * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND. + * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O. + Create build and doc directories along with the language directories. + Don't create doc directory separately. + * configure: Regenerate. + * Makefile.in: Create all object and executables files built + with the build compiler in a build/ directory. + (genobjnames): Add missing build objects. + (STAGESTUFF): Don't stage the gen* programs. + (ggc-none.o): Define dependencies for the target compiler. + (build-print-rtl.o): Rename to build/print-rtl.o. + (build-errors.o): Rename to build/errors.o. + (build-varray.o): Rename to build/varray.o. + (maintainerclean): Delete the contents of the build directory. + ($(genobjs): %.o): Explicitly use -o. + (build/insn-conditions.o): Delete specfic rule to use generic rule. + (build/gengtype-lex.o): Likewise. + (build/gengtype-yacc.o): Likewise. + (build/gcov-iov.o): Likewise. + +2004-09-22 Nathan Sidwell + + * vec.h (VEC_space): Return true if there _is_ space. + (VEC_reserve): Adjust. + +2004-09-22 Richard Sandiford + + * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64, + use FPRs for scalar, complex and vector types only. + +2004-09-21 Jeff Law + + * tree-ssa-dom.c (opt_stats): Move so that it lives just after + the opt_stats_d structure. + (vrp_data): Change from a varray into a hash table. + (vrp_hash_elt): New structure for elements in the vrp hash table. + (vrp_hash, vrp_eq):New functions for hashing and testing equality + in the vrp hash table. + (tree_ssa_dominator_optimize): Initialize VRP_DATA. Reorganize + initialization slightly to make it easier to read. No longer need + to grow/clear the varray. Instead empty and delete the hash table. + (dom_opt_finalize_block): Update due to change of VRP_DATA from + a varray to a hash table. + (simplify_cond_and_loop_avail_expr, record_range): Similarly. + + * tree-ssa-ccp.c (get_default_value): If we have a constant + value recorded for an SSA_NAME, then use that constant as + the initial lattice value. + (substitute_and_fold): Transfer equivalences discovered into + SSA_NAME_EQUIV. + + * tree.h (SSA_NAME_EQUIV): Add comments. + (SET_SSA_NAME_EQUIV): Similarly. + +2004-09-21 David Edelsohn + + * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4. + + * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used. + +2004-09-21 Mark Mitchell + + * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma. + (finish_decl): Likewise. + +2004-09-21 Devang Patel + + * tree.def (VEC_COND_EXPR): New tree node. + * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR. + +2004-09-21 Stan Shebs + + * config/rs6000/darwin-tramp.asm: Add __ppc64__ case. + * config/rs6000/darwin-world.asm: Likewise. + +2004-09-21 Daniel Berlin + + * tree-ssa.c (verify_def): Use print_generic_stmt, + not debug_generic_stmt. + (verify_use): Ditto. + (verify_phi_args): Ditto. + (verify_ssa): Ditto. + +2004-09-21 Paul Brook + + * varasm.c (default_assemble_integer): Return false for values wider + than the target word size. Works around GAS bug. + +2004-09-21 Zack Weinberg + + * reg-notes.def (REG_DEP_TRUE): New entry, place first so it + gets value 0. + * print-rtl.c (print_rtx): Print the name of a REG_NOTE even + if it has value 0. + +2004-09-21 Daniel Berlin + + * c-typeck.c (build_function_call): Give name of object + we are attempting to call in error message. + * c-objc-common.c (c_tree_printer): Call pp_expression, + not return false, for 'E' case. + +2004-09-21 Steven Bosscher + + PR rtl-optimization/17482 + * postreload-gcse.c (reg_avail_info, oprs_unchanged_p, + load_killed_in_block_p): Clarify comments. + (record_last_reg_set_info): Make static inline. + (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove. + (record_opr_changes): New function to replace the above. + (compute_hash_table): Clarify comments. Use record_opr_changes. + (reg_set_between_after_reload_p): Clean up. + (reg_used_between_after_reload_p): Likewise. + (eliminate_partially_redundant_load): Clarify comments. + +2004-09-21 Eric Botcazou + + PR rtl-optimization/17266 + * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn. + +2004-09-21 Uros Bizjak + + PR rtl-optimization/14851 + * rtlanal.c (commutative_operand_precedence): Calculate + precedence of stripped constant. + +2004-09-20 Jeff Law + Jan Hubicka + + * tree-ssanames.c (make_ssa_name): No longer need to clear, then + initialize key elements here. + (release_ssa_name): Zero the released SSA_NAME here. + * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros. + (struct tree_ssa_name): Add new "equiv" field. + * tree-ssa-dom.c (const_and_copies): Kill the global varray. + (tree_ssa_dominator_optimize): No longer allocate, resize or + clear CONST_AND_COPIES. + (get_value_for, set_value_for): Kill. + (thread_across_edge): Get/set the equivalency using + SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV. + (restore_vars_to_original_value): Likewise. + (record_equivalences_from_phis): Likewise. + (record_dominating_conditions): Likewise. + (record_const_or_copy, record_equality): Likewise. + (lookup_avail_expr): Likewise. + (record_equivalences_from_stmt, cprop_operand): Likewise. + (cprop_into_successor_phis): No longer need to pass around + CONST_AND_COPIES. Callers updated. Get equivalences via + SSA_NAME_EQUIV. + (cprop_into_phis): Likewise. + +2004-09-20 Matt Austern + Zack Weinberg + + * c-common.c (fix_string_type): Build the unqualified array + type unconditionally, then use c_build_qualified_type to get + the proper const-qualified variant, and set its + TYPE_MAIN_VARIANT to refer to the unqualified type. + * c-lex.c (c_lex_return_raw_string): New global. + (c_lex_with_flags): Honor it. + * c-pragma.h: Declare it. + +2004-09-20 Daniel Berlin + + * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H). + +2004-09-21 Jan Hubicka + + PR middle-end/17126 + * tree-optimize.c (update_inlined_to_pointers): Fix the recursion. + (tree_rest_of_compilation): Cleanup. + +2004-09-20 Ulrich Weigand + + * config/s390/s390.c (s390_select_rtx_section): Remove. + (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine. + +2004-09-20 Kaz Kojima + + * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR + note to pretend a direct save from the original register when an + intermediate register is used for the save. + +2004-09-20 Kaveh R. Ghazi + + * tsystem.h (alloca): Provide a default definition. + + Revert: + 2001-08-31 Kaveh R. Ghazi + * unwind-dw2.c: Call __builtin_alloca, not alloca. + +2004-09-20 Andrew Pinski + + PR tree-opt/17558 + * tree-ssa-copy.c (may_propagate_copy): Only allow if the + aliasing sets are the same rather than just conflicting. + +2004-09-20 Jan Hubicka + + PR middle-end/16460 + + * cgraph.c (cgraph_unnest_node): New function. + (c_finalize): Rename to .... + (c_warn_unused_result_recursivly): ... this one; do only the warning + (finish_function): Finalize the toplevel function; do not lower nested tree. + * cgraph.h (cgraph_unnest_node): Declare. + * cgraphunit.c (decide_is_function_needed): Do not use cgraph + nestedness datastructure. + * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs. + * reload1.c (set_label_offsets): Fix call of set_label_offsets. + * tree-nested.c (finlize_nesting_tree_1): Use un-nesting code. + +2004-09-20 Richard Henderson + + * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename + from some_small_symbolic_operand_1; export. + (some_small_symbolic_operand): Remove. + * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove + extra C check. + * config/alpha/predicates.md (some_small_symbolic_operand): New. + +2004-09-20 Jan Hubicka + + * predict.c (return_prediction): New function. + (apply_return_prediction): Likewise. + (tree_bb_level_predictions): Likewise. + (tree_estimate_probability): Add noreturn exit edges; call + bb_level_predictions; fix logic of return heuristics. + (predict_paths_leading_to): Rescuesce from old CVS version of + process_note_prediction function. + * predict.def (PRED_TREE_EARLY_RETURN): New predictor. + +2004-09-20 Andreas Krebbel + + * config/s390/s390.c (s390_frame_info): Added alignment statement for + floating point register area on stack. + +2004-09-20 Jakub Jelinek + + * predict.c (expr_expected_value): Use *_CLASS_P macros. + +2004-09-20 Daniel Berlin + + * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid + generating useless garbage. + +2004-09-20 Paolo Bonzini + + * builtins.c (fold_builtin): Call the new omonymous + target hook for machine-dependent built-ins. + * target-def.h (TARGET_FOLD_BUILTIN): New. + * target.h (struct gcc_target): Add the fold_builtin hook. + * targhooks.c (default_fold_builtin): New. + * targhooks.h (default_fold_builtin): Declare it. + +2004-09-20 Kazu Hirata + + * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix + comment typos. + +2004-09-20 Richard Sandiford + + PR target/17565 + * config/mips/mips.md (define_asm_attributes): Set can_delay to no. + +2004-09-20 Jan Hubicka + + * predict.c (estimate_probability): Remove unnecesary code. + +2004-09-19 Ira Rosen + + * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field. + (STMT_VINFO_VECT_DR_BASE): Declare. + (VECT_SMODULO): Declare. + * tree-vectorizer.c (vect_compute_array_ref_alignment): New function. + (vect_compute_array_base_alignment): New function. + (vect_analyze_data_ref_access): Check array indices. Remove one + dimensional arrays restriction. + (vect_get_ptr_offset): New function. + (vect_get_symbl_and_dr): New function. + (vect_get_base_and_bit_offset): Support additional data refs. Renamed + (former name vect_get_base_decl_and_bit_offset). + (vect_create_index_for_array_ref): Removed. + (vect_create_index_for_vector_ref): New function. + (vect_create_addr_base_for_vector_ref): New function. + (vect_create_data_ref): Handle additional data refs. Call + vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref. + (vect_compute_data_ref_alignment): Support the changes. Call + vect_get_base_and_bit_offset. + (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional + data refs. Store vect_dr_base. + (vect_analyze_data_ref_accesses): Support nonconstant init. + (new_stmt_vec_info): Initialize vect_dr_base field. + (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num. + (get_vectype_for_scalar_type): Check for BLKmode. + * tree-chrec.h (initial_condition_in_loop_num): Declare. + * tree-chrec.c (initial_condition_in_loop_num): New function. + (chrec_component_in_loop_num): New function. + (evolution_part_in_loop_num): Call chrec_component_in_loop_num. + * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns) + to be pointer to varray_type. + +2004-09-19 Jan Hubicka + + * basic-block.h (update_bb_profile_after_threading): Declare. + * cfg.c (update_bb_profile_after_threading): Break out from ... + * cfgcleanup.c (try_forward_edges): ... here; use it. + * tree-ssa-dom.c (thread_across_edge): Use it. + * tree-ssa-threadupdate.c (create_block_for_threading): Zero out + profile of the new BB. + +2004-09-19 Daniel Berlin + + * tree-ssa-pre.c (insert_into_set): Don't put + is_gimple_min_invariant values into the set. + +2004-09-19 Andreas Jaeger + + * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix + prototype. + +2004-09-18 Kazu Hirata + + * config/cris/cris.h: Preserve the original spelling in a + quote. + +2004-09-18 Jeff Law + + * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New + global varrays to replace the block local varrays. + (struct dom_walk_block_data): Remove, no longer used. + (get_eq_expr_value): No longer need to pass around pointers to local + varrays. Callers updated. Unused markers added to unused parameters. + (record_range, record_equivalences_from_stmt): Likewise. + (record_equivalences_from_incoming_edge): Likewise. + (record_var_is_nonzero): Likewise. Update now that we have a + single global varray of SSA_NAMEs that need restoring. + (dom_opt_initialize_block_local_data): Kill, no longer used. + (tree_ssa_dominator_optimize): Initialize new global varrays. + Update callbacks in dominator walker structure. + (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and + VRP_VARIABLES_STACK. + (restore_nonzero_vars_to_original_value): Update now that we have + a single global varray of SSA_NAMEs that need restoring. + (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK. + Remove unused variables. + (optimize_stmt): Remove unused variable. + +2004-09-18 Jan Hubicka + + * tree-cfg.c (thread_jumps): Fix updating of the profile. + + * tree-optimize.c (tree_rest_of_compilation): Kill forgotten + verify_cgraph call. + +2004-09-18 Kazu Hirata + + * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c, + gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c, + optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c, + tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c, + tree-ssa-operands.c, tree-ssa-phiopt.c, + tree-ssa-threadupdate.c: Fix comment typos. + +2004-09-18 Kazu Hirata + + * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md, + config/arm/README-interworking, config/arm/arm-cores.def, + config/arm/arm.c, config/arm/arm.h, config/arm/pe.c, + config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h, + config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c, + config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c, + config/frv/frv.md, config/i386/winnt.c, + config/ia64/unwind-ia64.c, config/iq2000/iq2000.c, + config/iq2000/iq2000.h, config/m68hc11/m68hc11.c, + config/m68hc11/m68hc11.md, config/m68k/m68k.c, + config/mcore/mcore.c, config/mips/mips.h, + config/mn10300/mn10300.md, config/pa/pa.c, + config/pa/pa64-regs.h, config/pdp11/pdp11.c, + config/rs6000/rs6000.c, config/sh/symbian.c, + config/sparc/sparc.h: Fix comment typos. Follow spelling + conventions. + +2004-09-18 Joseph S. Myers + + PR c/17424 + * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node. + +2004-09-18 Diego Novillo + + * tree-ssa-alias.c (setup_pointers_and_addressables): Don't + remove TREE_ADDRESSABLE from RESULT_DECL. + +2004-09-18 Diego Novillo + + * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs. + +2004-09-18 Jan Hubicka + + * tree-into-ssa.c (rewrite_ssa_into_ssa): Expect ssa_name to return + NULL. + * tree-ssa-alias.c (init_alias_info): Likewise. + * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise. + (verify_ssa): Likewise. + * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays. + +2004-09-18 Jan Hubicka + + * i386.c (legitimize_pic_address): Fix splitting of PLUS with + huge offset. + +2004-09-18 Kaz Kojima + + * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove. + * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use + DW_EH_PE_sdata* for data. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise. + +2004-09-17 Geoffrey Keating + + * tree-inline.c (copy_tree_r): Don't duplicate constants, they're + shared anyway. + + PR pch/13361 + * c-typeck.c (constructor_asmspec): Delete. + (struct initializer_stack): Delete field 'asmspec'. + (start_init): Delete saving of asmspec. + (finish_init): Don't update constructor_asmspec. + * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree. + * stmt.c (expand_asm): Duplicate strings from tree. + (expand_asm_operands): Likewise. + * tree.c (tree_size): Update computation of size of STRING_CST. + (make_node): Don't make STRING_CST nodes. + (build_string): Allocate string with tree node. + (tree_code_size): Clean up assertions, don't allow requests + for "the size of a STRING_CST". + * tree.def (STRING_CST): Update comment. + * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST. + (tree_string): Place contents of string in tree node. + * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string + from tree. + +2004-09-17 Zack Weinberg + + * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H). + * objc/Make-lang.in (objc/objc-parse.o): Likewise. + +2004-09-17 Jones Desougi + + * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF. + * configure, config.in: Regenerate. + +2004-09-17 Zack Weinberg + + * tree.c, tree.h (tree_class_strings): Make array const. + Reindent per coding convention. Move asterisk to proper place + per coding convention. + +2004-09-18 Andreas Schwab + + * Makefile.in (gimple-low.o): Depend on $(EXPR_H). + (tree-vectorizer.o): Likewise. + (targhooks.o): Likewise. + +2004-09-17 Jeffrey D. Oldham + Zack Weinberg + + * alias.c (find_base_decl): Remove unreachable case '3' block. + * expr.c (safe_from_p): Abort if passed a type. + * tree-gimple.c (recalculate_side_effects): Abort if passed + anything other than an expression. + * tree-ssa-pre.c (phi_translate): Return expr immediately if + is_gimple_min_invariant is true for it. Reorder cases for clarity. + Abort on un-handled tree classes. + (valid_in_set): Likewise. + * tree.c (tree_code_class_strings): New static data. + + * tree.h (enum tree_code_class): New. + (tree_code_class_strings): Declare. + (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P) + (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P) + (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros. + (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS) + (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update. + + * tree.def, c-common.def, objc/objc-tree.def: Use + tree_code_class enumeration constants instead of code letters. + + * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c + * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c + * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c + * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c + * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c + * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c + * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c + * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c + * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c + * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c + * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c + * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c + * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c + Update to match. + + * LANGUAGES: Add note about change. + +2004-09-17 Diego Novillo + + PR tree-optimization/17319 + * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also + examine pointers on the LHS of an assignment. + (collect_points_to_info_r): Handle RETURN_EXPR. + +2004-09-17 Jeff Law + + * tree-ssa-dom.c (const_and_copies_stack): New. + (dom_walk_block_data): Remove const_and_copies field. + (record_const_or_copy): No longer need to pass in varray_type *. + Use CONST_AND_COPIES_STACK rather than passed in block local stack. + Callers updated. + (record_equality): Similarly. + (restore_vars_to_original_value): Similarly. Revamp to use new + single global stack rather than per-block stacks. + (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK. + (thread_across_edge): Remove now unused parameters. + (dom_opt_initialize_block_local_data): No longer test the block + local CONST_AND_COPIES. + (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK. + +2004-09-17 Jan Hubicka + + PR tree-optimization/17509 + * tree-optimize.c (update_inlined_to_pointers): New function. + (tree_rest_of_compilation): Use it. + +2004-09-17 Devang Patel + + * dbxout.c (get_lang_number): New. + (dbxout_init): Include lang number in N_SO stab. + * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN, + N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define. + +2004-09-17 Diego Novillo + + PR tree-optimization/17273 + * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the + replacement is a constant. + +2004-09-17 Joseph S. Myers + + * c-tree.h (enum c_typespec_keyword): New. + (struct c_declspecs): Adjust description of "type". Remove + specbits, explicit_int_p and explicit_char_p. Rename + typedef_signed_p to explicit_signed_p. Add default_int_p, long_p, + short_p, signed_p, unsigned_p and complex_p. + (finish_declspecs): New. + * c-parse.in (datadef, datadecl, setspecs, decl, component_decl, + typename): Call finish_declspecs. + * c-decl.c (finish_declspecs): New. + (declspecs_add_type): Check for combinations which cannot occur in + valid specifier lists. Update comments. + (shadow_tag_warned): Remove checks done in finish_declspecs. + Don't report useless type name if type defaulted to int. + (grokdeclarator): Remove checks and actions done in + finish_declspecs. Don't allow for type being NULL. Update for + datastructures changes. Initialize decl_attr. + (build_null_declspecs, quals_from_declspecs): Update for + datastructures changes. + +2004-09-17 Sylvain Pion + + * doc/extend.texi: Fix duplicated word. + +2004-09-17 Toon Moene + + * doc/invoke.texi: Remove stray explanation on + -freduce-all-givs and -fmove-all-movables. + +2004-09-17 James Morrison + + * doc/cfg.texi: Use @smallexample. + * doc/md.texi: Likewise. + * doc/tree-ssa.texi: Likewise. + * doc/extend.texi: Likewise. Use @r{} in comments. + * doc/trouble.texi: Use @r{} in comments. + +2004-09-17 Hans-Peter Nilsson + + * configure.ac (gcc_cv_gld_version): Handle whitespace before + "VERSION=". + * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto. + * configure: Regenerate. + +2004-09-17 J"orn Rennecke + + * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference. + (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug. + * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g . + * t-sh64 (MULTILIB_CPU_DIRS): Likewise. Match dashes and trailing + slashes in substitutions. + (MULTILIB_DIRNAMES): Remove defunct removal of /media32. + +2004-09-17 Kazu Hirata + + * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c, + gimplify.c, lambda-code.c, optabs.c, predict.c, + tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c, + tree-ssa.c, vec.h: Fix comment typos. Follow spelling + conventions. + +2004-09-17 Kazu Hirata + + * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi, + doc/extend.texi, doc/install.texi, doc/invoke.texi, + doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi, + doc/trouble.texi: Use @option around options. + +2004-09-17 Richard Sandiford + + * Makefile.in (gen-protos.o): Depend on errors.h. + +2004-09-17 Steven Bosscher + + PR tree-optimization/17513 + * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE + for successors of the entry block. + +2004-09-17 Uros Bizjak + + PR rtl-optimization/15187 + * ifcvt.c (noce_try_cmove_arith): Exit early if total + insn_rtx_cost of both branches > BRANCH_COST + +2004-09-16 Diego Novillo + + PR tree-optimization/17528 + * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not + erase the may-alias set for a tag when merging it with + another. + +2004-09-16 Kaz Kojima + + * config/sh/sh.md (call): Extend 32-bit addresses to DImode + for 32-bit TARGET_SHMEDIA. + (call_value): Likewise. + +2004-09-16 Diego Novillo + + * tree-ssa-operands.c (add_call_clobber_ops): Make read-only + test apply only to TREE_STATIC and DECL_EXTERNAL. + +2004-09-16 Zdenek Dvorak + + * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency. + * basic-block.h (get_dominated_by_region): Declare. + * dominance.c (get_dominated_by_region): New function. + * tree-cfg.c: Include cfglayout.h. + (tree_duplicate_bb): Duplicate also phi nodes. + (struct ssa_name_map_entry): New type. + (add_phi_args_after_copy_bb, add_phi_args_after_copy, + ssa_name_map_entry_hash, ssa_name_map_entry_eq, + allocate_ssa_names, rewrite_to_new_ssa_names_def, + rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb, + rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions. + * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb, + add_phi_args_after_copy, rewrite_to_new_ssa_names_bb, + rewrite_to_new_ssa_names, allocate_ssa_names, + rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare. + * tree-ssa-loop-ch.c (duplicate_blocks): Removed. + (copy_loop_headers): Use tree_duplicate_sese_region. + +2004-09-16 Frank Ch. Eigler + + * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION. + +2004-09-16 Jeff Law + + * tree-into-ssa.c (block_defs_stack): New toplevel varray. + (rewrite_block_data): Remove, no longer used. + (rewrite_initialize_block_local_data): Remove, no longer used. + (rewrite_initialize_block): Mark parameters as unused as needed. + Change references to the block local block_defs to be block_defs_stack. + Push a marker onto the block_defs_stack. + (ssa_rewrite_initialize_block): Similarly. + (rewrite_stmt, ssa_rewrite_stmt): Similarly. + (ssa_register_new_def): No longer needs varray argument. Use + block_defs_stack instead. No longer handle possibly null block_defs + varray. Reverse order of items we push on the stack to make it + easier to identify our marker. + (register_new_def): No longer handle possibly null block_defs + varray. + (rewrite_finalize_block): Revamp to look for markers in the global + block_defs_stack varray rather than wiping a block local varray. + Mark arguments as unused as needed. + (ssa_rewrite_finalize_block): Similarly. + (rewrite_into_ssa): Update initialization of dom walker structure + to reflect that we don't need block local data anymore. Initialize + the block_defs_stack varray. + (rewrite_ssa_into_ssa): Similarly. + * tree-ssa-dom.c (block_defs_stack): New toplevel varray. + (struct dom_walk_data): Kill block_defs field. + (tree_ssa_dominator_optimize): Initialize block_defs_stack. + (thread_across_edge): Use the global block_defs_stack instead of + the old block_defs varray. + (dom_opt_initialize_block_local_data): Update now that we don't have + block_defs field to check anymore. + (dom_opt_initialize_block): Push a marker onto block_defs_stack. + (restore_currdefs_to_original_value): Use the new block_defs_stack + instead of a block local varray. + (dom_opt_finalize_block): Similarly. + (record_equivalencs_from_phis): Similarly. + (optimize_stmt, register_definitions_for_stmt): Similarly. + +2004-09-16 Andrew MacLeod + + PR tree-optimization/17517 + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't + coalesce same-root variables without checking for abnormal PHI usage. + +2004-09-16 Daniel Berlin + + * cfgloop.h (duplicate_loop): Add prototype. + * cfgloopmanip.c (duplicate_loop): Make non-static. + * lambda-code.c (perfect_nestify): Factor out test whether + we can handle this loop into separate function. + Call it. + (can_convert_to_perfect_nest): New function. + (replace_uses_of_x_with_y): Add modify_stmt call. + * tree-loop-linear.c (linear_transform_loops): Call + rewrite_into_loop_closed_ssa and free_df. + +2004-09-16 Daniel Berlin + + * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is + loop invariant as well. + (perfect_nestify): new function. + (gcc_loop_to_lambda_loop): New parameters to track lower bounds, + upper bounds, and steps. + Set outerinductionvar properly. + (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect + parameters. + Return NULL if we need a perfect loop and can't make one. + (lambda_loopnest_to_gcc_loopnest): Correct algorithm. + (not_interesting_stmt): New function. + (phi_loop_edge_uses_def): Ditto. + (stmt_uses_phi_result): Ditto. + (stmt_is_bumper_for_loop): Ditto. + (perfect_nest_p): Ditto. + (nestify_update_pending_stmts): Ditto. + (replace_uses_of_x_with_y): Ditto. + (stmt_uses_op): Ditto. + (perfect_nestify): Ditto. + * lambda-mat.c (lambda_matrix_id_p): New function. + * lambda-trans.c (lambda_trans_matrix_id_p): Ditto. + * lambda.h: Update prototypes. + * tree-loop-linear (linear_transform_loop): Use new + perfect_nest_p. Detect and ignore identity transform. + * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed. + +2004-09-16 Sebastian Pop + + * tree-loop-linear.c (gather_interchange_stats): Add more comments. + Gather also strides of accessed data. Pass in the data references + array. + (try_interchange_loops): Add a new heuristic for handling the temporal + locality. Pass in the data references array. + (linear_transform_loops): Pass the data references array to + try_interchange_loops. + +2004-09-16 Kazu Hirata + + * doc/invoke.texi: Fix typos. Follow spelling conventions. + +2004-09-16 Nathan Sidwell + + * doc/c-tree.texi (Classes): Remove index entries for + TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}. + +2004-09-16 Zdenek Dvorak + + * fold-const.c (fold): Fold difference of addresses. + (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on + get_inner_reference. + * tree-ssa-loop-ivopts.c (peel_address): Removed. + (ptr_difference_const): Moved to fold-const.c. + (split_address_cost): Use get_inner_reference instead of peel_address. + (ptr_difference_cost): Change type of diff to HOST_WIDE_INT. + * tree.h (ptr_difference_const): Export. + + * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction + variable type to the dump. Fix indentation. + (idx_find_step): Handle nonconstant array_ref_element_size and + array_ref_low_bound. + (idx_record_use): Handle array_ref_element_size and + array_ref_low_bound. + (find_interesting_uses_stmt): Handle memory = nontrivial_expression + statements correctly. + (get_computation_at, iv_value): Do not unshare expressions here. + (rewrite_use_outer): Unshare the expression before it is emitted + to code. + * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for): + Moved to tree.c. + * tree.c (unsigned_type_for, signed_type_for): Moved from + tree-ssa-loop-niter.c. Use langhooks. + * tree.h (signed_type_for): Export. + +2004-09-16 David Edelsohn + + * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update + prototype. + +2004-09-15 Andrew Pinski + + PR target/11572 + * c-incpath.h (target_c_incpath_s): Add extra_pre_includes. + Add two parameters to extra_includes. + (C_INCPATH_INIT): Remove. + * c-incpath.c (register_include_chains): Call extra_pre_includes + before adding the standard include directory. + Update call to extra_includes. + (!defined TARGET_EXTRA_INCLUDES): Update + hook_void_charptr_charptr_int and add !define + TARGET_EXTRA_PRE_INCLUDES. + (!define TARGET_EXTRA_INCLUDES): Define as + hook_void_charptr_charptr_int. + (!define TARGET_EXTRA_PRE_INCLUDES): Likewise. + (target_c_incpath): Always declare. + * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a + empty function. + (define TARGET_EXTRA_PRE_INCLUDES): Likewise. + * config/darwin.h: (darwin_register_frameworks): Update for + the two new parameters. + (darwin_register_objc_includes): Add prototype. + (TARGET_EXTRA_PRE_INCLUDES): Define. + * config/darwin-c.c (darwin_register_objc_includes): New function. + (darwin_register_frameworks): Update for the two new parameters. + (target_c_incpath): Remove. + * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to + the compile line. + * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new + parameters. + (TARGET_EXTRA_PRE_INCLUDES): Document. + + * gcc.c (spec_function): Add replace-outfile. + (replace_outfile_spec_function): New function. + * config/darwin.h (LINK_SPEC): Add replace + -lobjc with -lobjc-gnu if -fgnu-runtime is + supplied. + * invoke.texi (replace-outfile): Document. + +2004-09-13 Jan Hubicka + + * predict.c (expr_expected_value, strip_builtin_expect): New function. + (tree_predict_by_opcode): Use it. + (tree_estimate_probability): Add, for now disabled, + strip_builtin_expect call. + +2004-09-15 James E Wilson + + PR target/17455 + * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false + if current_function_decl is a sibcall. + +2004-09-15 Mark Mitchell + + * varasm.c (default_function_rdodata_section): Make sure to pass + along a decl for a link-once section. + +2004-09-15 Richard Henderson + + * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable + warning with code disable. Fix formatting. + +2004-09-15 Steven Bosscher + + * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h. + * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT + after propagating into an ADDR_EXPR. + +2004-09-15 Andrew Pinski + + PR rtl-opt/17427 + * gcse.c (process_insert_insn): insn_invalid_p has side effects. + Move it out of gcc_assert. + +2004-09-15 Joseph S. Myers + + * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c, + except.c, fold-const.c, function.c, langhooks.c, params.c, + reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c, + tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q + for quoting in diagnostics going through pretty-print.c. Use '' + for quoting in other diagnostic text. + * langhooks.c: Include intl.h. Mark text locating diagnostics for + translation. + * Makefile.in (langhooks.o): Update dependencies. + * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic + formats. + +2004-09-15 Mark Mitchell + + * configure.ac: Check for COMDAT support. Robustify check for + SHF_MERGE support. + * configure: Regenerated. + * config.in: Likewise. + * langhooks-def.h (lhd_comdat_group): New function. + (LANG_HOOKS_COMDAT_GROUP): New macro. + (LANG_HOOKS_DECLS): Use it. + * langhooks.c (lhd_comdat_group): Define. + * langhooks.h (lang_hooks_for_decls): Add comdat_group. + * output.h (named_section_flags): Make it a macro. + (named_section_real): New function. + (default_no_named_section): Add decl parameter. + (default_elf_asm_named_section): Likewise. + (default_coff_asm_named_section): Likewise. + (default_pe_asm_named_section): Likewise. + * target.h (gcc_target): Adjust type of named_section. + * varasm.c (named_section_flags): Rename to named_section_real. + Add decl parameter. + (default_no_named_section): Add decl parameter. + (default_elf_asm_named_section): Use COMDAT, if available. Deal + with the case that ASM_COMMENT_START is "@". + (default_coff_asm_named_section): Add decl parameter. + (default_pe_asm_named_section): Likewise. + * config/alpha/alpha.c (vms_asm_named_section): Add decl + parameter. + (unicosmk_asm_named_section): Likewise. + * config/arm/arm.c (arm_elf_asm_named_section): Remove. + * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise. + * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter. + * config/cris/cris-protos.h (cris_target_asm_named_section): + Likewise. + * config/cris/cris.c (cris_target_asm_named_section): + Likewise. + * config/darwin/darwin-protos.h (darwin_asm_named_section): + Likewise. + * config/darwin/darwin.c (darwin_asm_named_section): Likewise. + * config/h8300/h8300.c (h8300_asm_named_section): Likewise. + * config/i386/i386-protos.h (i386_pe_asm_named_section): + Likewise. + * config/i386/winnt.c (i386_pe_asm_named_section): Likewise. + * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise. + * config/mcore/mcore.c (mcore_asm_named_section): Likewise. + * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): + Likewise. + * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise. + * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define. + * cp/cp-tree.h (cxx_comdat_group): Declare. + * cp/decl.c (cxx_comdat_group): New function. + +2004-09-15 Jan Hubicka + + * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes. + * tree-tailcall.c (eliminate_tail_call): Release SSA name. + + * tree-cfg.c (remove_bb): Release SSA defs. + +2004-09-15 Kazu Hirata + + * doc/tm.texi: Follow spelling conventions. + +2004-09-15 Kazu Hirata + + * tree-ssa-dom.c: Fix comment typos. + +2004-09-15 Alan Modra + + * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to + include ccr. + (ppc_fallback_frame_state): Save location of CR. + +2004-09-15 Jakub Jelinek + + * expr.c (string_constant): Handle also read-only variables + initialized to string literals. + + * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1) + into memcpy (x, y, 1) if memcpy can be expanded inline. + +2004-09-15 Zdenek Dvorak + + PR tree-optimization/17468 + * tree-ssa.c (verify_use, verify_phi_args, verify_ssa): Verify that + definition inside a block precede uses. + * tree-tailcall.c (adjust_return_value): Emit statements in the + correct order. + +2004-09-15 Richard Sandiford + + * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete. + +2004-09-15 Eric Botcazou + + * doc/install.texi (sparc-sun-solaris2*): Properly format warning. + +2004-09-14 Jeff Law + + * tree-ssa-dom.c (avail_exprs_stack): New global varray. + (struct dom_walk_block_data): Remove avail_exprs member. + (tree_ssa_dominator_optimize): Initialize avail_exprs_stack. + (lookup_avail_expr): No longer need to pass in address of + the block local available exprs stack. All callers changed. + (simplify_cond_and_lookup_avail_expr): Similarly. + (simplify_switch_and_lookup_avail_expr): Similarly. + (get_eq_expr_value, record_cond): Likewise. + (record_dominating_conditions): Likewise. + (update_rhs_and_lookup_avail_expr): Likewise. + (record_equivalences_from_stmt): Likewise. + (dom_opt_initialize_block_local_data): No longer test state of + block local avail_exprs. + (dom_opt_initialize_block): Mark unwind point in the global + avail_expr stack. + (remove_expressions_from_table): Update to unwind to the + most recent unwind marker in the global avail_expr stack. + All callers changed. + (dom_opt_finalize_block): Mark unwind point in the global + avail_expr stack as needed. + (record_cond): Push elements into the global avail_exprs stack. + + * tree-dfa.c (free_df_for_stmt): No longer static. + (free_df): Update comments. + * tree-flow.h (free_df_for_stmt): Prototype. + * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt. Also + call release_defs. + +2004-09-14 Diego Novillo + + PR tree-optimization/17252 + * tree-ssa-alias.c (may_alias_p): Don't assume that a + pointer may not point to itself when using relaxed + aliasing rules. + 2004-09-14 Richard Henderson PR middle-end/17397 @@ -61,7 +1650,7 @@ 2004-09-14 Jeff Law * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local - to a global varray. + to a global varray. (tree_ssa_dominator_optimize): Allocate stmts_to_rescan. (dom_opt_initialize_block_local_data): No longer test state of stmts_to_rescan. @@ -212,7 +1801,6 @@ 2004-09-13 Kenneth Zadeck - * tree-ssa-operands.c (get_call_expr_operands): Added parm to add_call_clobber_ops and add_call_read_ops. (add_call_clobber_ops, add_call_read_ops): Added code to reduce @@ -299,7 +1887,7 @@ PR tree-optimization/17400 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't coalesce partitions when one occurs in an abnormal PHI. - + 2004-09-13 Andrew Pinski * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's