* configure.ac: Add -Wc++-compat to ac_libibety_warn_cflags
          where supported. 
        * configure: Regenerated.

From-SVN: r110375

From-SVN: r110374

re PR libstdc++/26006 (tr1/8_c_compatibility/cfenv/functions.cc (test for excess errors) fails with pre-C99-TC1 libc)

2006-01-29  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/26006
	* acinclude.m4 ([GLIBCXX_CHECK_C99_TR1]): Tighten <ctype.h> and
	<fenv.h> checks.
	* configure: Regenerate.

From-SVN: r110373

        * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
        (push_srcloc): Use XNEW.
        (init_asm_output, default_get_pch_validity): Use XNEWVEC.

Co-Authored-By: Marcin Dalecki <martin@dalecki.de>

From-SVN: r110372

2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>

	* df-core.c (df_set_blocks): Deleted all variable.

From-SVN: r110368

        * call.c (alloc_conversion): Use cast when converting from
	void *.
        (alloc_conversions): Likewise.
        (add_candidate): Likewise.
        (print_z_candidates): Likewise.
        (add_warning): Likewise.
        * pt.c (retrieve_local_specialization): Likewise.
        (process_partial_specialization): Likewise.
        (mangle_class_name_for_template): Likewise.
        (tsubst_template_args): Likewise.
        * typeck2.c (pat_calc_hash): Likewise.
        (pat_compare): Likewise.
        (abstract_virtuals_error): Likewise.
        * class.c (method_name_cmp): Likewise.
        (resort_method_name_cmp): Likewise.
        (get_vfield_name): Likewise.
        * decl2.c (generate_ctor_and_dtor_functions_for_priority):
	Likewise.
        * lex.c (init_reswords): Likewise.
        * rtti.c (create_pseudo_type_info): Likewise.
        * search.c (dfs_lookup_base): Likewise.
        (dfs_dcast_hint_pre): Likewise.
        (dfs_dcast_hint_post): Likewise.
        * tree.c (hash_tree_cons): Likewise.
        * repo.c (extract_string): Likewise.
        (afgets): Likewise.
        * cp-objcp-common.c (decl_shadowed_for_var_lookup): Likewise.
        * g++spec.c (lang_specific_driver): Likewise.

From-SVN: r110366

2006-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* expr.c (gfc_check_assign, gfc_check_pointer_assign): Emit error if
	the lvalue is a use associated procedure.

	PR fortran/20895
	PR fortran/25030
	* expr.c (gfc_check_pointer_assign): Emit error if lvalue and rvalue
	character lengths are not the same.  Use gfc_dep_compare_expr for the
	comparison.
	* gfortran.h: Add prototype for gfc_dep_compare_expr.
	* dependency.h: Remove prototype for gfc_dep_compare_expr.

2006-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* gfortran.dg/procedure_lvalue.f90: New test.

	PR fortran/20895
	PR fortran/25030
	* gfortran.dg/char_pointer_assign_2.f90: New test.
	* gfortran.dg/char_result_1.f90: Correct unequal charlen pointer
	assignment to be consistent with standard.
	* gfortran.dg/char_result_2.f90: The same.
	* gfortran.dg/char_result_8.f90: The same.

From-SVN: r110365

	* cgraphunit.c (cgraph_assemble_pending_functions): Call
	cgraph_output_pending_asms.

From-SVN: r110364

gcc:
	* 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.

gcc/testsuite:
	* gcc.dg/Woverlength-strings.c
	* gcc.dg/Woverlength-strings-pedantic-c89.c
	* gcc.dg/Woverlength-strings-pedantic-c89-no.c
	* gcc.dg/Woverlength-strings-pedantic-c99.c
	* gcc.dg/Woverlength-strings-pedantic-c99-no.c: New tests.

==================================================================

From-SVN: r110360

From-SVN: r110359

	* combine.c (simplify_comparison <AND>): Check
	TRULY_NOOP_TRUNCATION before start using a subreg.
	
	* config/mips/mips.md (*branch_zero<mode>, 
	*branch_zero<mode>_inverted, *branch_equality<mode>, 
	*branch_equality<mode>_inverted, *branch_equality<mode>_mips16): 
	Remove mode check from comparisons.

From-SVN: r110358

2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>

	* config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.

From-SVN: r110357

From-SVN: r110356

From-SVN: r110354

	* hooks.c (hook_bool_rtx_int_false): Remove.
	* hooks.h: Remove the prototype for hook_bool_rtx_int_false.

From-SVN: r110348

        * class.c (check_bases): Likewise.
        (maybe_warn_about_overly_private_class): Likewise.
        (check_field_decls): Likewise.
        (layout_empty_base): Likewise.
        (layout_virtual_bases): Likewise.
        (layout_class_type): Likewise.

        * call.c (joust): Pass option code to warning.  Use inform for
        explanation.

From-SVN: r110342

	PR c++/25999
	* decl.c (start_preparsed_function): Call maybe_apply_pragma_weak
	here, not ...
	(start_function): ... here.
	PR c++/25999
	* g++.dg/ext/pragmaweak1.C: New test.

From-SVN: r110340

	* modulo-sched.c (create_partial_schedule,
	free_partial_schedule, reset_partial_schedule): Make them
	static.

From-SVN: r110338

	* 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.

From-SVN: r110336

	* recog.c (validate_replace_rtx_subexp): Remove.
	* recog.h: Remove the prototype for
	validate_replace_rtx_subexp.

From-SVN: r110335

	* expmed.c (const_mult_add_overflow_p): Remove.
	* expr.h: Remove the prototype for const_mult_add_overflow_p.

From-SVN: r110334

        * 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.

From-SVN: r110333

	PR c++/25855
	* class.c (resolve_address_of_overloaded_function): Adjust use of
	return value from most_specialized_instantiation.
	* pt.c (determine_specialization): Avoid multiple calls to
	get_bindings.
	(most_specialized_instantiation): When a tie occurs, set the
	current presumed champion to the next template.  Return the
	TREE_LIST node containing the template, rather than the template
	itself.
	(most_specialized): Remove.
	* name-lookup.c (push_overloaded_decl): When duplicate_decls
	indicates a failed redeclaration, report that to callers.
	PR c++/25855
	* g++.dg/template/spec29.C: New test.

From-SVN: r110332

	* recog.c (peephole2_optimize): Make it static.
	* recog.h: Remove the prototype for peephole2_optimize.

From-SVN: r110327

	* emit-rtl.c (init_virtual_regs): Make it static.
	* function.h: Remove the prototype for init_virtual_regs.

From-SVN: r110326

	* cfgloop.c (flow_loop_outside_edge_p): Remove.
	* cfgloop.h: Remove the prototype for
	flow_loop_outside_edge_p.

From-SVN: r110325

	* cfgloopmanip.c (split_loop_bb): Remove.
	* cfgloop.h: Remove the prototype for split_loop_bb.

From-SVN: r110324

re PR c/19606 (wrong code for arith.expr: (((unsigned int)(signed int) a ) / 2LL) with signed char a=-4)

gcc/
	PR c/19606.
	* c-typeck.c (build_binary_op): Perform implicit casts of
	operands before shortening them.

gcc/testsuite/
	PR c/19606.
	* gcc.c-torture/execute/pr19606.c: New.

From-SVN: r110321

2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* df-scan.c (df_record_entry_block_defs): Check if
	INCOMING_RETURN_ADDR_RTX is defined.

From-SVN: r110320

From-SVN: r110318

re PR rtl-optimization/24762 ([killloop-branch] code motion of non-invariant expressions with hard registers.)

2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	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.


Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r110312

2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* 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.

From-SVN: r110311

From-SVN: r110309

gcc/

2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>

	* c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
	for pragma redefine_extname.

gcc/testsuite/

2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>

	* gcc.dg/pragma-re-4.c: New test.

From-SVN: r110308

2005-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* resolve.c (resolve_function): Add GFC_ISYM_LOC to the list of
	generic_ids exempted from assumed size checking.

2005-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* gfortran.dg/assumed_size_refs_3.f90: New test.

From-SVN: r110307

	PR fortran/25324
	* Make-lang.in (fortran/scanner.o): Depend on toplev.h.
	* lang.opt (fpreprocessed): New option.
	* scanner.c: Include toplev.h.
	(gfc_src_file, gfc_src_preprocessor_lines): New variables.
	(preprocessor_line): Unescape filename if there were any
	backslashes.
	(load_file): If initial and gfc_src_file is not NULL,
	use it rather than opening the file.  If gfc_src_preprocessor_lines
	has non-NULL elements, pass it to preprocessor_line.
	(unescape_filename, gfc_read_orig_filename): New functions.
	* gfortran.h (gfc_option_t): Add flag_preprocessed.
	(gfc_read_orig_filename): New prototype.
	* options.c (gfc_init_options): Clear flag_preprocessed.
	(gfc_post_options): If flag_preprocessed, call
	gfc_read_orig_filename.
	(gfc_handle_option): Handle OPT_fpreprocessed.
	* lang-specs.h: Pass -fpreprocessed to f951 if preprocessing
	sources.

From-SVN: r110304

2006-01-27  Jakub Jelinek  <jakub@redhat.com>

	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  <edelsohn@gnu.org>
	    Alan Modra  <amodra@bigpond.net.au>

	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.

From-SVN: r110303

fortran/
2005-01-27  Erik Edelmann  <eedelman@gcc.gnu.org>

        * symbol.c (free_old_symbol): Fix confusing comment, and add code
         to free old_symbol->formal.

From-SVN: r110301

	* 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.

From-SVN: r110300

2006-01-27 Gabor Loki <loki@gcc.gnu.org>

	* cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.

From-SVN: r110297