gcc/
        * system.h: Prior to #define, #undef fopen and freopen unconditionally.

libcpp/
        * system.h: Likewise.

From-SVN: r182837

        * collect2.c (main): In AIX specific computations for vector
        insertions, use CONST_CAST2 to cast from char ** to const char **.

From-SVN: r182836

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR debug/51650
	* dwarf2out.c (dwarf2out_finish): Always create a DIE for
	the context of a limbo DIE when it does not already exist.

	* g++.dg/lto/pr51650-3_0.C: New testcase.

From-SVN: r182835

/cp
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/15867
	* decl.c (duplicate_decls): With -Wredundant-decls don't warn for
	declaration followed by specialization.

/testsuite
2012-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/15867
	* g++.dg/warn/Wredundant-decls-spec.C: New.

From-SVN: r182833

re PR tree-optimization/51719 (ICE: verify_gimple failed: LHS in noreturn call with -fpartial-inlining -fprofile-use and exceptions)

	PR tree-optimization/51719
	* value-prof.c (gimple_ic): When indirect call isn't noreturn,
	but direct call is, clear direct call's lhs and don't add fallthrough
	edge from dcall_bb to join_bb and PHIs.

	* g++.dg/tree-prof/pr51719.C: New test.

From-SVN: r182832

2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
	the instructions emitted by the pattern.
	("*TDC_insn_<mode>"): Add comment.

From-SVN: r182831

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51730
	* fold-const.c (fold_comparison): Properly canonicalize
	tree offset and HOST_WIDE_INT bit position.

	* gcc.dg/fold-compare-6.c: New testcase.

From-SVN: r182830

	* config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
	operands for extzv pattern.

From-SVN: r182829

	PR c++/51669
	* semantics.c (finish_omp_clauses): Call fold_build_cleanup_point_expr
	on OMP_CLAUSE_{IF,FINAL,NUM_THREADS,SCHEDULE_CHUNK}_EXPR.

	* g++.dg/gomp/pr51669.C: New test.

From-SVN: r182828

	* gfortran.h (struct gfc_expr): Add missing "struct"
	qualifier for member base_expr.

From-SVN: r182826

From-SVN: r182825

From-SVN: r182821

	* make-relative-prefix.c (make_relative_prefix_1): Avoid
	stack overflow if PATH contains just a single entry and
	HOST_EXECUTABLE_SUFFIX needs to be used.

	PR driver/48306
	* make-relative-prefix.c: Include sys/stat.h.
	(make_relative_prefix_1): If access succeeds, check also stat
	if nstore is a regular file.

From-SVN: r182820

	PR bootstrap/51725
	* cselib.c (add_mem_for_addr): Call canonical_cselib_val
	on mem_elt first.

From-SVN: r182819

	DR 1359
	PR c++/51675
	* method.c (walk_field_subobs): Don't check for uninitialized
	fields in a union.
	(synthesized_method_walk): Check here.

From-SVN: r182810

	DR 325
	PR c++/51666
	* parser.c (cp_parser_cache_defarg): Split out...
	(cp_parser_parameter_declaration): ...from here.
	(cp_parser_save_nsdmi): Use it.
	(cp_parser_cache_group): Remove CPP_COMMA support.

From-SVN: r182809

gcc/cp/

	PR c++/51462
	* semantics.c (cx_check_missing_mem_inits): Don't assert in case
	of error.

gcc/testsuite/

	PR c++/51462
	* g++.dg/cpp0x/constexpr-99.C: New test.

From-SVN: r182806

/cp
2012-01-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/20140
	* typeck2.c (digest_init_r): Use copy_init when initializing
	an array of chars.

/testsuite
2012-01-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/20140
	* g++.dg/template/init9.C: New.

From-SVN: r182805

2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* doc/invoke.texi (-flto and related options): Copy-edit.

From-SVN: r182804

gcc/
	* config/mips/mips.md (loadgp_newabi_<mode>): Add missing
	earlyclobber.

From-SVN: r182803

	* config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
	New patterns.

From-SVN: r182802

gcc/
	* expr.h (move_by_pieces_ninsns): Declare.
	* expr.c (move_by_pieces_ninsns): Make external.
	* config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
	(mips_store_by_pieces_p): Likewise.
	* config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
	(STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
	* config/mips/mips.c (mips_move_by_pieces_p): New function.
	(mips_store_by_pieces_p): Likewise.

gcc/testsuite/
	* gcc.dg/memcpy-4.c: Add nomips16 attribute for MIPS targets.
	Increase copy to 5 bytes.  Look for at least two "mem/s/u"s,
	rather than a specific number.

From-SVN: r182801

	* passes.c (register_one_dump_file): Free full_name.

	* reload1.c (reload): Don't allocate reg_max_ref_width
	here.
	(calculate_elim_costs_all_insns): Free offsets_at and
	offsets_known_at at the end and clear the pointers.

From-SVN: r182800

	* config/avr/avr.opt (-mbranch-cost): Fix double definition of
	this option introduced in r180739.

From-SVN: r182798

contrib/
	PR target/51345
	* gcc_update (files_and_dependencies): Add
	gcc/config/avr/t-multilib, gcc/config/avr/multilib.h.
	
libgcc/
	PR target/51345
	* config/avr/lib1funcs.S: Remove FIXME comments.
	(SPEED_DIV): Depend on __AVR_HAVE_8BIT_SP__.
gcc/	
	PR target/51345
	* config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
	(tmake_file target=avr): Add avr/t-multilib.

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
	to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
	* config/avr/genmultilib.awk: New file.
	* config/avr/t-multilib: New auto-generated file.
	* config/avr/multilib.h: New auto-generated file.
	* config/avr/t-avr (AVR_MCUS): New variable.
	(genopt.sh): Use it.
	(s-mlib): Depend on t-multilib.
	(t-multilib, multilib.h): New dependencies.
	(s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
	(MULTILIB_OPTIONS): Remove.
	(MULTILIB_MATCHES): Remove.
	(MULTILIB_DIRNAMES): Remove.
	(MULTILIB_EXCEPTIONS): Remove:
	* config/avr/genopt.sh: Don't use hard coded file name;
	pass AVR_MCUS from t-avr instead.

From-SVN: r182797

re PR fortran/51529 ([OOP] gfortran.dg/class_to_type_1.f03 is miscompiled: Uninitialized variable used)

2012-01-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/51529
	* trans-array.c (gfc_array_allocate): Null allocated memory of
	newly allocted class arrays.

	PR fortran/46262
	PR fortran/46328
	PR fortran/51052
	* interface.c(build_compcall_for_operator): Add a type to the
	expression.
	* trans-expr.c (conv_base_obj_fcn_val): New function.
	(gfc_conv_procedure_call): Use base_expr to detect non-variable
	base objects and, ensuring that there is a temporary variable,
	build up the typebound call using conv_base_obj_fcn_val.
	(gfc_trans_class_assign): Pick out class procedure pointer
	assignments and do the assignment with no further prcessing.
	(gfc_trans_class_array_init_assign, gfc_trans_class_init_assign
	gfc_trans_class_assign): Move to top of file.
	* gfortran.h : Add 'base_expr' field to gfc_expr.
	* resolve.c (get_declared_from_expr): Add 'types' argument to
	switch checking of derived types on or off.
	(resolve_typebound_generic_call): Set the new argument.
	(resolve_typebound_function, resolve_typebound_subroutine):
	Set 'types' argument for get_declared_from_expr appropriately.
	Identify base expression, if not a variable, in the argument
	list of class valued calls. Assign it to the 'base_expr' field
	of the final expression. Strip away all references after the
	last class reference.


2012-01-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/46262
	PR fortran/46328
	PR fortran/51052
	* gfortran.dg/typebound_operator_7.f03: New.
	* gfortran.dg/typebound_operator_8.f03: New.

From-SVN: r182796

	* config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".

From-SVN: r182795

gcc/
	Implement light-weight DImode support.
	* config/avr/avr-dimode.md: New file.
	* config/avr/avr.md: Include it.
	(adjust_len): Add plus64, compare64.
	(HIDI): Remove code iterator.
	(code_stdname): New code attribute.
	(rotx, rotsmode): Remove DI.
	(rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
	as code iterator.
	* config/avr/avr-protos.h (avr_have_dimode): New.
	(avr_out_plus64, avr_out_compare64): New.
	* config/avr/avr.c (avr_out_compare): Handle DImode.
	(avr_have_dimode): New variable definition and initialization.
	(avr_out_compare64, avr_out_plus64): New functions.
	(avr_out_plus_1): Use simplify_unary_operation to negate xval.
	(adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
	(avr_compare_pattern): Skip DImode comparisons.

libgcc/
	Implement light-weight DImode support.
	* config/avr/t-avr (LIB1ASMFUNCS): Add _adddi3, _adddi3_s8,
	_subdi3, _cmpdi2, _cmpdi2_s8, _rotldi3.
	* config/avr/lib1funcs.S (__adddi3, __adddi3_s8, __subdi3,
	__cmpdi2, __cmpdi2_s8, __rotldi3): New functions.

From-SVN: r182794

gcc/testsuite/
	PR target/51729
	* gcc.target/mips/dspr2-MULT.c: Remove -ffixed-hi -ffixed-lo.
	XFAIL.
	* gcc.target/mips/dspr2-MULTU.c: Likewise.

From-SVN: r182793

gcc/testsuite/
	* gcc.dg/pr46309.c: Add -mtune=octeon2 for MIPS.

From-SVN: r182792

gcc/testsuite/
	* g++.dg/cpp0x/constexpr-rom.C: Look for .rdata rather than rodata
	for MIPS.

From-SVN: r182791

gcc/testsuite/
	* gfortran.dg/io_real_boz_3.f90: Require fortran_real_16.
	* gfortran.dg/io_real_boz_4.f90: Likewise.
	* gfortran.dg/io_real_boz_5.f90: Likewise.

From-SVN: r182789

2012-01-02  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/51686
	* Makefile.def (install-strip-gcc): Depend on install-strip-lto-plugin.
	* Makefile.in: Regenerate.

From-SVN: r182788

gcc/testsuite/
	* g++.dg/opt/devirt2.C: Add -mno-abicalls for MIPS.

From-SVN: r182787

From-SVN: r182786

2012-01-02  Richard Guenther  <rguenther@suse.de>

	PR other/51679
	* invoke.texi (fassociative-math): Remove spurious paranthesis.

From-SVN: r182785

From-SVN: r182783

2012-01-02  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51682
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        trans_num_images, conv_intrinsic_cobound): Fold_convert the
        caf_num_images/caf_this_images variables to the correct int kind.

2012-01-02  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51682
        * gfortran.dg/coarray/image_index_3.f90: New.

From-SVN: r182781

From-SVN: r182780

/cp
2012-01-01  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/16603
	* decl.c (build_enumerator): Don't call perform_integral_promotions
	on the value.

/testsuite
2012-01-01  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/16603
	* g++.dg/parse/enum8.C: New.

From-SVN: r182776