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 Ăvila de EspĂďż˝­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.