* config/sh/sh.c (sh_can_use_simple_return_p): Enable with
        -freorder-blocks-and-partition.

From-SVN: r193362

2012-11-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55151
	* gcc.dg/pr55151.c: Move ...
	* gcc.target/i386/pr55151.c: ... here.

From-SVN: r193361

2012-11-09  Kenneth Zadeck <zadeck@naturalbridge.com>

	* rtl.h (CONST_SCALAR_INT_P): New macro.
   	* cfgexpand.c (expand_debug_locations): Changed to use
	CONST_SCALAR_INT_P macro.
	* combine.c (try_combine, subst, make_extraction,
	gen_lowpart_for_combine): Ditto.
	* cselib.c (entry_and_rtx_equal_p, rtx_equal_for_cselib_1): Ditto.
	* dwarf2out.c (loc_descriptor): Ditto.
	* emit-rtl.c (gen_lowpart_common): Ditto.
	* ira-costs.c (record_reg_classes, record_address_regs): Ditto.
	* ira-lives.c (single_reg_class): Ditto.
	* recog.c (simplify_while_replacing, asm_operand_ok,
	constrain_operands): Ditto.
	* reload.c (find_reloads): Ditto.
	* simplify-rtx.c (simplify_unary_operation_1,
	simplify_const_unary_operation, simplify_binary_operation_1,
	simplify_const_binary_operation, simplify_relational_operation_1,
	simplify_subreg): Ditto.

From-SVN: r193360

	PR middle-end/54385
	* postreload.c (reload_cse_simplify): Return a bool indicating
	whether the CFG was changed.
	(reload_cse_regs_1): Traverse the CFG instead of the insns chain.
	Cleanup the CFG if edges may have been removed.
	(reload_cse_regs): Update.

From-SVN: r193359

re PR rtl-optimization/54472 (ICE (spill_failure): unable to find a register to spill in class 'AREG' with -O -fschedule-insns -fselective-scheduling)

	PR rtl-optimization/54472

	* sel-sched-ir.c (has_dependence_note_reg_set): Handle implicit sets.
	(has_dependence_note_reg_clobber,
	has_dependence_note_reg_use): Likewise.
    
	* gcc.dg/pr54472.c: New test.

From-SVN: r193358

	* gcc-interface/trans.c (gnat_to_gnu) <N_Subprogram_Body_Stub>: Deal
	with a missing library unit instead of calling gnat_to_gnu on Emtpy.
	Remove last bits of support for SCIL nodes.  Add cases for nodes that
	should only be present when annotating types.  Add default abort.

From-SVN: r193357

	* config/i386/i386.c (release_scratch_register_on_entry): Also adjust
	sp_offset manually.

From-SVN: r193352

2012-11-08  Christian Bruel  <christian.bruel@st.com>

	* tree-ssa-tail-merge.c (replace_block_by): Update bb2 profile count.
	Do not reset dead bb1->frequency.

From-SVN: r193350

From-SVN: r193348

	* go.test/go-test.exp (go-gc-tests): Handle runoutput test type
	with arguments.  Handle errorcheckoutput and rundir test types.

From-SVN: r193344

gcc/
	PR tree-optimization/55191
	* cfganal.c (connect_infinite_loops_to_exit): Call dfs_deadend here.
	(flow_dfs_compute_reverse_execute): Don't call it here.

testsuite/
	PR tree-optimization/55191
	* gcc.dg/pr55191.c: New test.

From-SVN: r193341

	PR debug/53145
	* dwarf2out.c (gen_compile_unit_die): Don't call gen_producer_string
	here, instead add "" if producer_string is NULL.
	(dwarf2out_finish): Call gen_producer_string here, unconditionally
	decrease refcount of the old indirect string and set val_str to
	find_AT_string result.

From-SVN: r193340

2012-11-08  François Dumont  <fdumont@gcc.gnu.org>

	PR libstdc++/54075
	* include/bits/hashtable.h (_Hashtable<>::rehash): Reset hash
	policy state if no rehash.
	* testsuite/23_containers/unordered_set/modifiers/reserve.cc
	(test02): New.

From-SVN: r193339

re PR debug/54499 (GCC produces wrong debugging information, failure while assembling generated .s file)

	PR debug/54499
	* cgraphunit.c (assemble_thunk): Don't call source_line debug hook
	here, instead call insn_locations_{init,finalize} and initialize
	prologue_location.

	* g++.dg/debug/pr54499.C: New test.

From-SVN: r193338

	PR driver/54789
	* gcc.c (process_command): Use save_switch for synthesized
	-fcompare-debug=* option; mark the switch as known.

From-SVN: r193337

re PR target/54308 (build regression in 190498 on ppc64/linux: legitimate_indirect_address_p undefined)

	PR target/54308
	* config/rs6000/rs6000.c (legitimate_indirect_address_p): Remove
	inline keyword.

From-SVN: r193336

	PR rtl-optimization/54850
	* sched-deps.c (find_inc): Add all dependencies from the inc_insn
	to the mem_insn.

From-SVN: r193332

	PR middle-end/48636
	* ipa-inline.c (big_speedup_p): New function.
	(want_inline_small_function_p): Use it.
	(edge_badness): Dump it.
	* params.def (inline-min-speedup): New parameter.
	* doc/invoke.texi (inline-min-speedup): Document.

From-SVN: r193331

ipa-prop.c (determine_known_aggregate_parts): Skip writes to different declarations when tracking writes to a declaration.

2012-11-08  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (determine_known_aggregate_parts): Skip writes to
	different declarations when tracking writes to a declaration.

	* gfortran.dg/ipcp-array-1.f90: New test.

From-SVN: r193330

PR fortran/51727
* module.c (sorted_pointer_info): New.
(gfc_get_sorted_pointer_info): New.
(free_sorted_pointer_info_tree): New.
(compare_sorted_pointer_info): New.
(find_symbols_to_write): New.
(write_symbol1_recursion): New.
(write_symbol1): Collect symbols that need writing, output in order.
(write_generic): Traverse tree in order.

From-SVN: r193329

2012-11-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/23_containers/unordered_multimap/insert/55028-debug.cc:
	Don't pass -D_GLIBCXX_DEBUG by hand (check-debug does).

From-SVN: r193327

	* g++.old-deja/g++.abi/cxa_vec.C: Fix typo in comment.

	* testsuite/18_support/cxa_vec.cc: Fix typo in comment.

From-SVN: r193326

	* include/profile/iterator_tracker.h (operator++): Fix returning
	dangling reference.
	(operator--): Likewise.

From-SVN: r193323

	* config/sparc/constraints.md ("U"): Document, in detail,
	which this constraint is necessary.

From-SVN: r193322

From-SVN: r193321

	* testsuite/libgomp.c++/pr24455.C: Use
	-Wl,-undefined,dynamic_lookup on darwin.

From-SVN: r193318

2012-11-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55151
	* gcc.dg/pr55151.c: Use ia32 instead of x86_64.

From-SVN: r193317

	* gcc.dg/tree-ssa/cunroll-1.c: Scan cunrolli dump.

From-SVN: r193316

	PR middle-end/55235
	* expr.c (store_expr): Do not call emit_block_move for
	non-BLKmode values.

From-SVN: r193314

	PR middle-end/55219
	* fold-const.c (fold_binary_op_with_conditional_arg): Do not fold if
	the argument is itself a conditional expression.

From-SVN: r193312

2012-11-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55151
	* gcc.dg/pr55151.c: Compile it only for x86_64.

From-SVN: r193311

2012-11-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55122
	* lra-constraints.c (match_reload): Sync values for dead input
	pseudos.

2012-11-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/55122
	* gcc.dg/pr55122.c: New test.

From-SVN: r193310

        * gcc.target/powerpc/pr46728-[1234578].c: Tighten regex to ignore
        word powerpc.
        * gcc.target/powerpc/vsx-mass-1.c: Escape [ and ] in regex.
        * gcc.target/powerpc/loop_align.c: Skip on AIX.
        * gcc.target/powerpc/ppc-pow.c: Allow dot symbols in branch.
        * gcc.target/powerpc/tfmode_off.c: Skip on AIX.

From-SVN: r193309

From-SVN: r193308

	* doc/invoke.texi (-mcpu=power8): Document.
	* config.in (HAVE_AS_POWER8): New.
	* config.gcc: Add cpu_type power8.
	* configure.ac: (HAVE_AS_POWER8): Check for assembler support for
	the POWER8 instructions.
	* configure: Regenerate.
	* config/rs6000/rs6000.h: (ASM_CPU_POWER8_SPEC): Define.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power8) for -mcpu=power8.
	(EXTRA_SPECS): Add asm_cpu_power8 spec string.
	* config/rs6000/rs6000-cpus.def (processor_target_table): Alias
	POWER8 to POWER7.
	* config/rs6000/rs6000-tables.opt: Regenerate.
	* config/rs6000/driver-rs6000.c (ASM_CPU_SPEC): For -mcpu=power8,
	pass %(asm_cpu_power8)/-mpwr8.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.

From-SVN: r193307

	PR target/55224
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Put back exception
	to make a sibcall if one of the functions has void return type.

From-SVN: r193306

	PR target/55224
	* config/i386/i386.c (ix86_function_ok_for_sibcall): Put back exception
	to make a sibcall if one of the functions has void return type.

From-SVN: r193305

gcc/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* doc/invoke.texi (Wformat): Update.
c-family/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* c.opt (Wformat): Make it Alias Wformat=1.
	(Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral,
	Wformat-security,Wformat-y2k,Wformat-zero-length): Use
	LangEnabledBy.
	(Wformat=): RejectNegative. Use LangEnabledBy.
	(Wnonnull): Use LangEnabledBy.
	* c-opts.c (c_common_handle_option): Do not handle Wformat here.
	* c-format.c (set_Wformat): Delete.
	(decode_format_attr): Replace OPT_Wformat with OPT_Wformat_.
        (maybe_read_dollar_number):  Likewise.
        (avoid_dollar_number):  Likewise.
        (finish_dollar_format_checking):  Likewise.
        (check_format_info):  Likewise.
        (check_format_info_main):  Likewise.
        (check_format_types):  Likewise.
        (format_type_warning):  Likewise.
        * c-common.c (int):  Likewise.
        (check_function_sentinel):  Likewise.
        * c-common.h (warn_format,set_Wformat): Do not declare here.
testsuite/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* gcc.dg/warn-nsstring.c: Use -Wformat explicitly.

From-SVN: r193304

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* optc-gen.awk: Factor code out to...
	* opt-functions.awk (lang_enabled_by): ... this new function.

From-SVN: r193303

c-family/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare,
	Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros):
	Use LangEnabledBy.
	(Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from
	common.opt.
	(Wvariadic-macros): Init(1).
	* c-opts.c (c_common_handle_option): Do not handle them
	explicitly.
	(c_common_post_options): Likewise.
	(sanitize_cpp_opts): warn_unused_macros is now
	cpp_warn_unused_macros.
	(push_command_line_include): Likewise.
	* c-common.c (warn_unknown_pragmas): Do not define.
	* c-common.h (warn_unknown_pragmas): Do not declare.
gcc/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* common.opt (Wswitch,Wswitch-default,Wswitch-enum): Move to c.opt.
fortran/
2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	* options.c (set_Wall): Do not set warn_switch here.

From-SVN: r193302