tree-ssa-sccvn.c (visit_reference_op_load): If the lookup found an expression with constants, note that in the VN for the lhs.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
	found an expression with constants, note that in the VN for the lhs.
	* tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
	fold them to constants if possible.  Run cleanup_cfg if done so.
	(execute_pre): Return todo.
	(do_pre): Likewise.
	(execute_fre): Likewise.
	* tree-ssa-forwprop.c (can_propagate_from): Allow propagation
	of constants.
	(get_prop_source_stmt): Look through pointer conversions.

	* gcc.dg/tree-ssa/forwprop-4.c: New testcase.
	* gcc.dg/tree-ssa/ssa-fre-16.c: Likewise.

From-SVN: r133315

	* tree-pretty-print.c: Include predict.h.
	(dump_generic_node): Dump predictor.
	* tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
	* tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
	them.
	(build_predict_expr, build_predict_expr): New.
	* predict.h (predictor_name, build_predict_expr): Update.
	* c-typeck.c (c_finish_bc_stmt): Add prediction.
	* gimplify.c (gimplify_expr): Add PREDICT_EXPR.
	* predict.def (PRED_CONTINUE): Update hitrate.
	* tree.def (PREDICT_EXPR): Define.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
	do not handle BIND_EXPR.
	* tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
	* tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
	* tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
	operands.

From-SVN: r133313

From-SVN: r133312

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-gimple.h (is_gimple_invariant_address): Declare.
	(is_gimple_constant): Likewise.
	* tree-gimple.c (is_gimple_constant): New function.
	(is_gimple_invariant_address): Likewise.
	(is_gimple_min_invariant): Implement in terms of is_gimple_constant
	and is_gimple_invariant_address.
	* tree-ssa-loop-niter.c (expand_simple_operations): Revert
	previous change.
	* tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
	an addressable base.

	* gcc.dg/tree-ssa/loop-19.c: Revert previous change.

From-SVN: r133311

	PR middle-end/35611
	* gimplify.c (gimplify_expr): Gimplify second operand of
	OMP_ATOMIC_LOAD.

	* testsuite/libgomp.c/atomic-4.c: New test.

From-SVN: r133309

	PR libgomp/35625
	* iter.c (gomp_iter_guided_next_locked): If q > n, set end to ws->end.
	(gomp_iter_guided_next): Likewise.
	* testsuite/libgomp.c/pr35625.c: New test.

From-SVN: r133306

intl/
	* aclocal.m4: Regenerate.
	* configure: Likewise.

From-SVN: r133304

2008-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35617
	* gfortran.dg/namelist_45.f90: New test.

From-SVN: r133303

2008-03-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35617
	* io/list_read.c (eat_separator): If next character after eatline is '!'
	then eatline again.

From-SVN: r133302

PR testsuite/35512
* gcc.target/ia64/visibility-1.c (foo): Change return type to void.
Write variables instead of reading them.

From-SVN: r133301

        PR c++/35548
        * call.c (reference_binding): Check LOOKUP_NO_TEMP_BIND when binding
        a temp directly to a reference as per DR391.

From-SVN: r133299

From-SVN: r133297

2008-03-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/19637
	* fold-const.c (fold_unary): Remove restrictions of removing
	intermediate pointer-conversions (P2)(P1)P0.
	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
	conversion to void pointer.
	(get_maxval_strlen): Handle addresses of the form &(*p)[0].

	* g++.dg/tree-ssa/pr19637.C: New testcase.

From-SVN: r133291

From-SVN: r133286

2008-03-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35470
	* resolve.c (check_assumed_size_reference):  Only visit the
	first reference and look directly at the highest dimension.

2008-03-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/35470
	* gfortran.dg/subref_array_pointer_3.f90 : New test.

From-SVN: r133279

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc:
	Update.
	* testsuite/17_intro/headers/c++200x/all.cc: Likewise.
	* include/precompiled/stdc++.h: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

	* include/std/date_time: New file.
	* src/date_time.cc: New file.
 	* config/abi/pre/gnu.ver: Added <date_time> symbols in version
 	GLIBCXX_3.4.11 and changed two patterns in version GLIBCXX_3.4
	that matched new symbols.
	* include/Makefile.am: Add date_time in std headers.
	* src/Makefile.am: Add date_time.cc to source files.
	* include/Makefile.in: Regenerate.
	* src/Makefile.in: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

      * testsuite/31_date_time/headers/date_time/types_std.cc: New.
      * testsuite/31_date_time/headers/date_time/std_c++0x_neg.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/functions_std.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/synopsis.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/traits.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/duration.cc: Likewise.
      * testsuite/31_date_time/system_time/requirements: Likewise.
      * testsuite/31_date_time/system_time/requirements/traits.cc: Likewise. 	

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* config.h.in: Regenerate.

From-SVN: r133278

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc:
	Update.
	* testsuite/17_intro/headers/c++200x/all.cc: Likewise.
	* include/precompiled/stdc++.h: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

	* include/std/date_time: New file.
	* src/date_time.cc: New file.
 	* config/abi/pre/gnu.ver: Added <date_time> symbols in version
 	GLIBCXX_3.4.11 and changed two patterns in version GLIBCXX_3.4
	that matched new symbols.
	* include/Makefile.am: Add date_time in std headers.
	* src/Makefile.am: Add date_time.cc to source files.
	* include/Makefile.in: Regenerate.
	* src/Makefile.in: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

      * testsuite/31_date_time/headers/date_time/types_std.cc: New.
      * testsuite/31_date_time/headers/date_time/std_c++0x_neg.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/functions_std.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/synopsis.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/traits.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/duration.cc: Likewise.
      * testsuite/31_date_time/system_time/requirements: Likewise.
      * testsuite/31_date_time/system_time/requirements/traits.cc: Likewise. 	

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* config.h.in: Regenerate.

From-SVN: r133277

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc:
	Update.
	* testsuite/17_intro/headers/c++200x/all.cc: Likewise.
	* include/precompiled/stdc++.h: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

	* include/std/date_time: New file.
	* src/date_time.cc: New file.
 	* config/abi/pre/gnu.ver: Added <date_time> symbols in version
 	GLIBCXX_3.4.11 and changed two patterns in version GLIBCXX_3.4
	that matched new symbols.
	* include/Makefile.am: Add date_time in std headers.
	* src/Makefile.am: Add date_time.cc to source files.
	* include/Makefile.in: Regenerate.
	* src/Makefile.in: Likewise.

2008-03-16  Pedro Lamarão  <pedro.lamarao@gmail.com>

      * testsuite/31_date_time/headers/date_time/types_std.cc: New.
      * testsuite/31_date_time/headers/date_time/std_c++0x_neg.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/functions_std.cc: Likewise.
      * testsuite/31_date_time/headers/date_time/synopsis.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/traits.cc: Likewise.
      * testsuite/31_date_time/nanoseconds/requirements/duration.cc: Likewise.
      * testsuite/31_date_time/system_time/requirements: Likewise.
      * testsuite/31_date_time/system_time/requirements/traits.cc: Likewise. 	

2008-03-16  Paolo Carlini  <pcarlini@suse.de>

	* config.h.in: Regenerate.

From-SVN: r133276

	PR debug/31510
	* dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
	emulated thread local variables.

From-SVN: r133274

2008-03-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35607
	* tree-ssa-loop-niter.c (expand_simple_operations): Do not
	expand TREE_INVARIANT operations that are not gimple invariant.

	* gcc.c-torture/compile/pr35607.c: New testcase.
	* gcc.dg/tree-ssa/loop-19.c: Use -O2 to avoid vectorization.

From-SVN: r133273

extend.texi (Alignment): Say that the ABI controls the __alignof__ for non-strict-alignment targets...

	* doc/extend.texi (Alignment): Say that the ABI controls
	the __alignof__ for non-strict-alignment targets rather
	than being a recommendation.

From-SVN: r133271

2008-03-16  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35582
        * gfortran.dg/write_invalid_format.f90: New test.

From-SVN: r133270

2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac: m4_include config/proginstall.m4.
        * configure: Regenerate.

config/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * proginstall.m4: New file, with fixed AC_PROG_INSTALL.

libjava/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.am (install-data-local): Rewrite to be more efficient,
        using awk, and `install' with multiple files at once.  Do not gather
        more than 50 files in one go to avoid hitting command line limits.
        (install_data_local_split): New variable.
        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * gcj/Makefile.in: Likewise.
        * include/Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.

boehm-gc/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * include/Makefile.in: Likewise.

libffi/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * include/Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.

libgfortran/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.

libgomp/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.

libmudflap/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.

libssp/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
libssp/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.

libstdc++-v3/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.
        * doc/Makefile.in: Likewise.
        * include/Makefile.in: Likewise.
        * libmath/Makefile.in: Likewise.
        * libsupc++/Makefile.in: Likewise.
        * po/Makefile.in: Likewise.
        * src/Makefile.in: Likewise.
        * testsuite/Makefile.in: Likewise.

zlib/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * aclocal.m4: Regenerate.
        * configure: Likewise.
        * Makefile.in: Likewise.

From-SVN: r133269

libjava/
2008-03-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.am (write_entries_to_file_split): New variable.
	(write_entries_to_file): Write out that many entries at once,
	for speed.
	* Makefile.in: Regenerate.

From-SVN: r133268

2008-03-16  Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	Backport from upstream Libtool:
	
	2007-10-12  Eric Blake  <ebb9@byu.net>
	
	Deal with Autoconf 2.62's semantic change in m4_append.
	* ltsugar.m4 (lt_append): Replace broken versions of
	m4_append.
	(lt_if_append_uniq): Don't require separator to be overquoted,
	and avoid broken m4_append.
	(lt_dict_add): Fix typo.
	* libtool.m4 (_LT_DECL): Don't overquote separator.

From-SVN: r133267

2008-03-15  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
	annotations.
	(arm_output_fn_unwind): Mark functions that can not be unwound.

From-SVN: r133266

From-SVN: r133264

2008-03-15  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
	extension instructions.

From-SVN: r133260

From-SVN: r133258

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold): Also read from constant values
	and fold constant aggregate refs.
	(fold_const_aggregate_ref): Handle string constants
	and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
	(evaluate_stmt): Simplify now that ccp_fold folds constant
	aggregate refs.

	* gcc.dg/tree-ssa/ssa-ccp-16.c: New testcase.

From-SVN: r133257

From-SVN: r133255

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
	(extzv): Use gen_extzv_t2.
	(insv_t2, insv_zero, extv, extzv_t2): New patterns.

From-SVN: r133254

2008-03-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR testsuite/35184
	gfortran.dg/elemental_subroutine_6.f90: New test.

From-SVN: r133253

2008-03-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35184
	* trans-array.c (gfc_conv_array_index_offset): Remove unnecessary
	assert.

From-SVN: r133252

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (get_symbol_constant_value): Export.
	(fold_const_aggregate_ref): Likewise.
	(get_value): Return NULL if we don't have any values.
	(ccp_finalize): Set const_val to NULL after freeing it.
	* tree-flow.h (get_symbol_constant_value): Declare.
	(fold_const_aggregate_ref): Likewise.
	* tree-ssa-sccvn.c (try_to_simplify): Use them.

	* gcc.dg/pr23911.c: Adjust testcase.
	* gcc.dg/tree-ssa/pr14841.c: Likewise.
	* gcc.dg/tree-ssa/20030922-2.c: Likewise.

From-SVN: r133251

2008-03-15  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35584
        * resolve.c (resolve_branch): Less strict and pessimistic warning
        message.

From-SVN: r133250

re PR middle-end/35593 (spurious warning "array subscript is below array bounds" with void* function argument plus -O2)

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35593
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
	to not produce negative array indices if not allowed.  Add
	parameter to indicate that.
	(maybe_fold_offset_to_component_ref): Allow negative array
	indices only for the first member of a structure.
	(maybe_fold_offset_to_reference): Allow negative array indices.
	(maybe_fold_stmt_addition): Likewise.

	* g++.dg/warn/Warray-bounds-3.C: New testcase.

From-SVN: r133249

	* gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
	(avr_arch): Add ARCH_AVR6.
	(avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 	(initial_elimination_offset): Initialize and use 'avr_pc_size' 
	instead of fixed value 2.
	(print_operand_address): Use gs() asm specifier instead of pm().
	(avr_assemble_integer): (Ditto.).
	(avr_output_addr_vec_elt): (Ditto.).
	(print_operand): Handle "!" code.
	* gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
	__AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
	(AVR_HAVE_EIJMP_EICALL): Define.
	(AVR_3_BYTE_PC): Redefine.
	(AVR_2_BYTE_PC): (Ditto.).
	(PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
	(LINK_SPEC): Add atmega2560 and atmega2561.
	(CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
	(crtm2561.o).
	* gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
	for 3 byte PC devices.
	(call_value_insn): (Ditto.).
	(*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
	(indirect_jump): Use only for for 2 byte PC devices.
	(*tablejump): (Ditto.).
	(*indirect_jump_avr6): Add insn.
	(*tablejump_rjmp): Don't use for 3 byte PC devices.
	* gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
	instead of ijmp for 3 byte PC devices.
	(__tablejump2__): (Ditto.).
	* gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
	(MULITLIB_DIRNAMES): (Ditto.). 
	(MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

Co-Authored-By: Anatoly Sokolov <aesok@post.ru>

From-SVN: r133248

From-SVN: r133246

From-SVN: r133244