re PR rtl-optimization/50489 ([UPC/IA64] mis-schedule of MEM ref with -ftree-vectorize and -fschedule-insns2)

	PR target/50489
	* config/sh/sh.md (rotcr, *rotcr, shar, shlr): New insns and splits.
	(ashrdi3_k, lshrdi3_k): Rewrite as insn_and_split.
	* config/sh/sh.c (sh_lshrsi_clobbers_t_reg_p): New function.
	* config/sh/sh-protos.h (sh_lshrsi_clobbers_t_reg_p): Declare it.

	PR target/50489
	* gcc.target/sh/pr54089-1.c: New.

From-SVN: r190545

	PR target/51244
	* config/sh/sh.md (*cset_zero): New insns.

	PR target/51244
	* gcc.target/sh/pr51244-11.c: New.

From-SVN: r190544

        * dwarf2out.h (enum dw_val_class): Add dw_val_class_high_pc.
        * dwarf2out.c (dw_val_equal_p): Handle dw_val_class_high_pc.
        (add_AT_low_high_pc): New function.
        (AT_lbl): Handle dw_val_class_high_pc.
        (print_die): Likewise.
        (attr_checksum): Likewise.
        (attr_checksum_ordered): Likewise.
        (same_dw_val_p): Likewise.
        (size_of_die): Likewise.
        (value_format): Likewise.
        (output_die): Likewise.
        (gen_subprogram_die): Use add_AT_low_high_pc.
        (add_high_low_attributes): Likewise.
        (dwarf2out_finish): Likewise.

From-SVN: r190543

re PR fortran/54301 (Add optional warning if pointer assigning a local variable to a nonlocal pointer)

2012-08-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54301
        * expr.c (gfc_check_pointer_assign): Warn when a pointer,
        which is a function result, might outlive its target.

2012-08-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54301
        * gfortran.dg/warn_target_lifetime_2.f90: New.

From-SVN: r190542

re PR rtl-optimization/54294 ([alpha] Bootstrap comparison failure due to fwprop handling of debug insns)

	PR rtl-optimization/54294
	* fwprop.c (all_uses_available_at): Ignore debug insns in between
	def_insn and target_insn when checking whether the shortcut is
	possible.

From-SVN: r190541

From-SVN: r190540

/cp
2012-08-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/10416
	* decl.c (poplevel): Check TYPE_HAS_NONTRIVIAL_DESTRUCTOR for
	Wunused_variable too.

/testsuite
2012-08-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/10416
	* g++.dg/warn/Wunused-var-17.C: New.

From-SVN: r190538

re PR middle-end/53992 (Combining -fopenmp and -fgnu-tm results in segfault or misbehaving binaries)

gcc/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/53992
	* omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.

testsuite/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/53992
	* gcc.dg/gomp/pr53992.c: New test.

From-SVN: r190536

Found this while running -ftime-report on a largish C++ source file.
We need to start TV_NAME_LOOKUP conditionally inside poplevel()
because it may be called from another lookup routine that already has
TV_NAME_LOOKUP going.

Tested on x86_64.  Committed to trunk.

2012-08-20  Diego Novillo  <dnovillo@google.com>

	* decl.c (poplevel): Start TV_NAME_LOOKUP conditionally.

From-SVN: r190535

	PR tree-ssa/54295
	* tree-ssa-math-opts.c (is_widening_mult_rhs_p): Delete rhs_code
	declaration and setter.

From-SVN: r190534

	PR tree-ssa/54295
	* tree-ssa-math-opts.c (widening_mult_conversion_strippable_p):
	New function.
	(is_widening_mult_rhs_p): Use it.

	* gcc.c-torture/execute/20120817-1.c: New test.

From-SVN: r190533

	* configure.ac (ffs): Check for declaration.
	* configure, config.in: Regenerate.

From-SVN: r190532

2012-08-20  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (register_new_name_mapping): Remove.
	* tree-into-ssa.c (register_new_name_mapping): Likewise.
	(add_new_name_mapping): Do not push/pop timevar here.
	(create_new_def_for): Instead do it here.  Initialize
	update-ssa here, handle a NULL def.
	* tree-vrp.c (build_assert_expr_for): Use create_new_def_for.

From-SVN: r190531

	* gcc.target/arm/thumb-16bit-ops.c (f): This test uses a 16-bit
	add instruction.
	(f2): New test that really does need adds.

From-SVN: r190530

2012-08-20  Richard Guenther  <rguenther@suse.de>

	* name-lookup.c (store_binding_p): New predicate, split out from ...
	(store_binding): ... here.  Always store binding and require
	target vector with enough space.
	(store_bindings): Collect to store bindings and reserve space
	for them, then store them.
	(store_class_bindings): Likewise.

From-SVN: r190529

2012-08-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/54327
	* gimple-fold.c (get_maxval_strlen): Do not walk use-def chains
	if the use is registered for SSA update.

	* gcc.dg/torture/pr54327.c: New testcase.

From-SVN: r190528

	PR tree-optimization/54321
	* tree-ssa-forwprop.c (simplify_builtin_call): Pass 0 instead of 1
	as second argument to tree_low_cst call on val2.

	* gcc.c-torture/compile/pr54321.c: New test.

From-SVN: r190526

2012-08-20  Richard Guenther  <rguenther@suse.de>

	* gimple.h (gimple_statement_base): Annotate with GTY chain_next.

From-SVN: r190525

2012-08-20  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/54326
	* genoutput.c (note_constraint): Properly use CONST_CAST.

From-SVN: r190524

re PR fortran/54301 (Add optional warning if pointer assigning a local variable to a nonlocal pointer)

2012-08-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54301
        * expr.c (gfc_check_pointer_assign): Warn when the pointer
        might outlive its target.
        * gfortran.h (struct gfc_option_t): Add warn_target_lifetime.
        * options.c (gfc_init_options, set_wall, gfc_handle_option):
        handle it.
        * invoke.texi (-Wtarget-lifetime): Document it.
        (-Wall): Implied it.
        * lang.opt (-Wtarget-lifetime): New flag.

2012-08-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54301
        * gfortran.dg/warn_target_lifetime_1.f90: New.

From-SVN: r190522

From-SVN: r190521

From-SVN: r190518

	* crtstuff.c (USE_PT_GNU_EH_FRAME): Define for systems using glibc
	even if inhibit_libc.

From-SVN: r190517

2012-08-19  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54298
	* gfortran.h (struct gfc_option_t): Add warn_compare_reals.
	* lang.opt:  Add Wcompare-reals.
	* invoke.texi:  Document -Wcompare-reals.
	* resolve.c (resolve_operator):  If -Wcompare-reals is in effect,
	warn about equality/inequality comparisions for REAL and COMPLEX.
	* options.c (gfc_init_options):  Set warn_compare_reals.
	(set_Wall):  Include warn_compare_reals in Wall.
	(gfc_handle_option):  Handle Wcompare_reals.

2012-08-19  Thomas König  <tkoenig@gcc.gnu.org>

	PR fortran/54298
	* gfortran.dg/real_compare_1.f90:  New test case.
	* gfortran.dg/bessel_5.f90  Add -Wno-compare-reals to options.

From-SVN: r190516

layout.adb (Set_Elem_Alignment): Cap the alignment of access types to that of a regular access type for...

	* layout.adb (Set_Elem_Alignment): Cap the alignment of access types
	to that of a regular access type for non-strict-alignment platforms.
	* gcc-interface/utils.c (finish_fat_pointer_type): Do not set the
	alignment for non-strict-alignment platforms.

From-SVN: r190515

decl.c (gnat_to_gnu_entity): Use proper dummy type for the temporary COMPONENT_REF built for a derived...

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: Use proper
	dummy type for the temporary COMPONENT_REF built for a derived tagged
	type with discriminant.

From-SVN: r190514

cp/
	* Make-lang.in: Fix typo.

From-SVN: r190513

From-SVN: r190512

	PR target/54306
	* config/arm/mmintrin.h: Remove spurious #endif.

From-SVN: r190511

        * config/avr/avr-log.c (avr_log_vadump): Properly use
        int-promoted enum values.
        * config/avr/avr.h (struct mcu_type_s): Change `arch' from
        int to enum avr_arch.
        * config/avr/gen-avr-mmcu-texi.c (main): Use correct initializer.

From-SVN: r190510

	PR lto/45375
	* ipa-inline.c (want_inline_small_function_p): Bypass
	inline limits for hinted functions.
	(edge_badness): Dump hints; decrease badness for hinted funcitons.
	* ipa-inline.h (enum inline_hints_vals): New enum.
	(inline_hints): New type.
	(edge_growth_cache_entry): Add hints.
	(dump_inline_summary): Update.
	(dump_inline_hints): Declare.
	(do_estimate_edge_hints): Declare.
	(estimate_edge_hints): New inline function.
	(reset_edge_growth_cache): Update.
	* predict.c (cgraph_maybe_hot_edge_p): Do not ice on indirect edges.
	* ipa-inline-analysis.c (dump_inline_hints): New function.
	(estimate_edge_devirt_benefit): Return true when function should be
	hinted.
	(estimate_calls_size_and_time): New hints argument; set it when
	devritualization happens.
	(estimate_node_size_and_time): New hints argument.
	(do_estimate_edge_time): Cache hints.
	(do_estimate_edge_growth): Update.	
	(do_estimate_edge_hints): New function

From-SVN: r190509

From-SVN: r190508

	PR middle-end/53823
	* expmed.c (expand_mult): Skip synth_mult for negative coefficients
	if the mode is larger than a wide int and it is too costly to multiply
	by a positive multiplier and negate the result.

From-SVN: r190505

testsuite/
	PR fortran/39290
	* gfortran.dg/interface_37.f90: New test.

From-SVN: r190504

	* sparseset.c (sparseset_alloc): Use non-clearing allocation.  Tell
	valgrind not to worry about reading from unitialized memory.

From-SVN: r190503

re PR middle-end/54313 (GCC fails to bootstrap with MALLOC_PERTURB – Segfault in bitmap_obstack_free)

	PR middle-end/54313
	* dse.c (dse_step7): Don't free kill_on_calls bitmap, it is
	freed when its obstack is release.

From-SVN: r190502

2012-08-18  Andrew Pinski  <pinskia@gmail.com>

	* alloc-pool.c (pool_alloc): Add valgrind markers.
	(pool_free): Likewise.

From-SVN: r190501

	* config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
	(FEEDBACK_ENTER): Define.
	(FEEDBACK_REENTER): Define.
	(FEEDBACK_ENTRY): Define.
	* config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
	(FEEDBACK_ENTER): Define.
	(FEEDBACK_REENTER): Define.
	(FEEDBACK_ENTRY): Define.

From-SVN: r190499

From-SVN: r190498

* floatformat.c (floatformat_to_double): Correctly handle numbers
between 1 and 2.  Simplify handling of denormal number.
(main): Test with 1.1.

From-SVN: r190493