* config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Define __PPC__.

From-SVN: r163448

        * config/rs6000/vxworks.h:  (PREFERRED_STACK_BOUNDARY, 
        ABI_STACK_BOUNDARY): Ensure STACK_BOUNDARY is honored despite EABI.

From-SVN: r163447

	* configure.ac (AC_C_BIGENDIAN, AC_TYPE_UINTPTR_T): New tests.
	(ssize_t): Check via AC_TYPE_SSIZE_T instead of AC_CHECK_TYPE.
	(ptrdiff_t): Check via AC_CHECK_TYPE.
	* config.in, configure: Rebuild.
	* system.h: Include stdint.h, if available.
	* lex.c (WORDS_BIGENDIAN): Provide default.
	(acc_char_mask_misalign, acc_char_replicate, acc_char_cmp,
	acc_char_index, search_line_acc_char, repl_chars, search_line_mmx,
	search_line_sse2, search_line_sse42, init_vectorized_lexer,
	search_line_fast): New.
	(_cpp_clean_line): Use search_line_fast.  Restructure the fast
	loop to make it clear when we're leaving the loop.  Stay in the
	fast loop for non-trigraph '?'.

Co-Authored-By: Andi Kleen <ak@linux.intel.com>
Co-Authored-By: David S. Miller <davem@davemloft.net>

From-SVN: r163446

2010-08-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45271
	PR fortran/45290
	* class.c (add_proc_comp): Add static initializer for PPCs.
	(add_procs_to_declared_vtab): Modified comment.
	* module.c (mio_component): Add argument 'vtype'. Don't read/write the
	initializer if the component is part of a vtype.
	(mio_component_list): Add argument 'vtype', pass it on to
	'mio_component'.
	(mio_symbol): Modified call to 'mio_component_list'.
	* trans.h (gfc_conv_initializer): Modified prototype.
	(gfc_trans_assign_vtab_procs): Removed.
	* trans-common.c (create_common): Modified call to
	'gfc_conv_initializer'.
	* trans-decl.c (gfc_get_symbol_decl,get_proc_pointer_decl,
	gfc_emit_parameter_debug_info): Modified call to
	'gfc_conv_initializer'.
	(build_function_decl): Remove assertion.
	* trans-expr.c (gfc_conv_derived_to_class,gfc_trans_class_assign):
	Removed call to 'gfc_trans_assign_vtab_procs'.
	(gfc_conv_initializer): Add argument 'procptr'.
	(gfc_conv_structure): Modified call to 'gfc_conv_initializer'.
	(gfc_trans_assign_vtab_procs): Removed.
	* trans-stmt.c (gfc_trans_allocate): Removed call to
	'gfc_trans_assign_vtab_procs'.


2010-08-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/44863
	PR fortran/45271
	PR fortran/45290
	* gfortran.dg/dynamic_dispatch_10.f03: New (PR 44863 comment #1).
	* gfortran.dg/pointer_init_5.f90: New (PR 45290 comment #6).
	* gfortran.dg/typebound_call_18.f03: New (PR 45271 comment #3).

From-SVN: r163445

From-SVN: r163444

	* tree-pass.h (pass_ipa_cdtor_merge): New function.
	* cgraphunit.c (static_ctors, static_dtors): Move to ipa.c; make
	heap allocated.
	(record_cdtor_fn): Move to ipa.c; do not test for
	have_ctors_dtors.
	(build_cdtor): Move to ipa.c; add code avoiding construction
	when target have ctors/dtors and there is only one ctor/dtor at given
	priority.
	(compare_ctor, compare_dtor): Move to ipa.c; use DECL_UID to stabilize sort;
	reverse order of constructors.
	(cgraph_build_cdtor_fns):Move to ipa.c; rename to build_cdtor_fns.
	(cgraph_finalize_function): Do not call record_cdtor_fn.
	(cgraph_finalize_compilation_unit): Do not call cgraph_build_cdtor_fns.
	(cgraph_build_static_cdtor): Move to ipa.c.
	* ipa.c: Include target.h and tree-iterator.h.
	(cgraph_build_static_cdtor, static_ctors, static_dtors,
	record_cdtor_fn, build_cdtor, compare_ctor, compare_dtor,
	build_cdtor_fns, ipa_cdtor_merge, gate_ipa_cdtor_merge,
	pass_ipa_cdtor_merge): New.
	* passes.c (init_optimization_passes): Enqueue pass_ipa_cdtor_merge.
	* ipa-prop.c (update_indirect_edges_after_inlining): Avoid out of bounds access.

From-SVN: r163443

From-SVN: r163442

config/:
	PR target/45084
	* stdint.m4 (GCC_HEADER_STDINT): Use m4 quotes for arguments
	of AC_MSG_ERROR.

libdecnumber/:
	* configure: Regenerate.

libgfortran/:
	* configure: Regenerate.

libgomp/:
	* configure: Regenerate.

libstdc++-v3/:
	* configure: Regenerate.

From-SVN: r163441

2010-08-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36158
        PR fortran/33197
        * intrinsic.c (add_sym): Init value attribute.
        (set_attr_value): New function.
        (add_functions) Use it and add JN/YN resolvers.
        * symbol.c (gfc_copy_formal_args_intr): Copy value attr.
        * intrinsic.h (gfc_resolve_bessel_n2): New prototype.
        * gfortran.h (gfc_intrinsic_arg): Add value attribute.
        * iresolve.c (gfc_resolve_bessel_n2): New function.
        * trans-intrinsic.c (gfc_get_symbol_for_expr): Create
        formal arg list.
        (gfc_conv_intrinsic_function,gfc_is_intrinsic_libcall):
        Add GFC_ISYM_JN2/GFC_ISYM_YN2 as case value.
        * simplify.c (): For YN set to -INF if previous values
        was -INF.
        * trans-expr.c (gfc_conv_procedure_call): Don't crash
        if sym->as is NULL.
        * iresolve.c (gfc_resolve_extends_type_of): Set the
        type of the dummy argument to the one of the actual.

2010-08-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36158
        PR fortran/33197
        * m4/bessel.m4: Implement bessel_jn and bessel_yn.
        * gfortran.map: Add the generated bessel_jn_r{4,8,10,16}
        and bessel_yn_r{4,8,10,16}.
        * Makefile.am: Add bessel.m4.
        * Makefile.in: Regenerated.
        * generated/bessel_r4.c: Generated.
        * generated/bessel_r16.c: Generated.
        * generated/bessel_r8.c: Generated.
        * generated/bessel_r10.c: Generated.

2010-08-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36158
        PR fortran/33197
        * gfortran.dg/bessel_6.f90: New.
        * gfortran.dg/bessel_7.f90: New.

From-SVN: r163440

re PR middle-end/45307 (Stores expanding to no RTL not removed by tree optimizers, Empty ctors/dtors not eliminated)


	PR c++/45307
	PR c++/17736
	* cgraph.h (cgraph_only_called_directly_p,
	cgraph_can_remove_if_no_direct_calls_and_refs_p): Handle
	static cdtors.
	* cgraphunit.c (cgraph_decide_is_function_needed): Static cdtors
	are not needed.
	(cgraph_finalize_function): Static cdtors are reachable.
	(cgraph_mark_functions_to_output): Use cgraph_only_called_directly_p.

	* gcc.dg/ipa/ctor-empty-1.c: Add testcase.
	* g++.dg/tree-ssa/empty-2.C: Check that constructor got optimized out.

From-SVN: r163439

	* lto-cgraph.c (lto_output_edge): Use gimple_has_body_p instead of flag_wpa.
	* lto-streamer-out.c (lto_output): Likewise.
	* passes.c (ipa_write_optimization_summaries): Initialize statement uids.
	
	* lto.c (lto_1_to_1_map): Be prepared for node to have no file data.
	(lto_wpa_write_files): Update comments.

From-SVN: r163438

From-SVN: r163437

	* pex-common.c (pex_read_err): Set stderr_pipe to -1 if a
	corresponding stream has been opened.
	(pex_free): Close pipe file descriptors corresponding to child's
	stdout and stderr before waiting.

From-SVN: r163426

        * tree.h (alias_diag_flags): New enum.
        (alias_pair): Add an 'emitted_diags' field.
        * varasm.c (finish_aliases_1): Honor and update
        * p->emitted_diags.
        (assemble_alias): Initialize emitted_diags of new pairs.

From-SVN: r163425

	* config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
	* config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	* config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
	(STACK_CHECK_PROTECT): Define.
	* config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
	(output_probe_stack_range): Likewise.
	(rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
	builtin stack checking is enabled.
	* config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
	* config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
	(probe_stack_range): New insn.

From-SVN: r163424

gcc/

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45336
	* config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
	short first.

	* config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
	char first.

gcc/testsuite/

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/45336
	* gcc.target/i386/pr45336-1.c: New.
	* gcc.target/i386/pr45336-2.c: Likewise.
	* gcc.target/i386/pr45336-3.c: Likewise.
	* gcc.target/i386/pr45336-4.c: Likewise.

From-SVN: r163421

	PR target/45336
	* config/i386/sse.md (*sse4_1_pextrb): Add SWI48 mode iterator
	to cover zero extension into 64-bit register.
	(*sse2_pextrw): Likewise.
	(*sse4_1_pextrd_zext): New insn.

From-SVN: r163420

	* config/rs6000/darwin.h (LIB_SPEC): Remove.
	* config/darwin.h (REAL_LIBGCC_SPEC): Link lgcc for all 
	Darwin versions.

From-SVN: r163419

	PR testsuite/45361
	* gcc.target/i386/volatile-2.c: Update scan strings to also
	include (%rip) for the memory reference on x86_64.

From-SVN: r163416

re PR middle-end/44974 (Function with attribute noreturn omits a call to another function with noreturn)

	PR middle-end/44974
	* builtins.c (expand_builtin): Don't optimize away
	calls to DECL_LOOPING_CONST_OR_PURE_P builtins.

	* gcc.dg/pr44974.c: New test.

From-SVN: r163415

	* config/i386/i386.md (ashift RSP splitter): Remove splitter.
	(pro_epilogue_adjust_stack_di_2): Use "l" constraint for
	alternative 1 of operand 2.

From-SVN: r163414

simplify-rtx.c (simplify_unary_operation_1): Optimize (sign_extend (zero_extend ()) and ({sign,zero}_extend (lshiftrt...

	* simplify-rtx.c (simplify_unary_operation_1): Optimize
	(sign_extend (zero_extend ()) and
	({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).

Co-Authored-By: Paolo Bonzini <bonzini@gnu.org>

From-SVN: r163413

re PR rtl-optimization/45353 (ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in sel_bb_head, at sel-sched-ir.c:4329 with -fselective-scheduling and __builtin_unreachable())

	PR rtl-optimization/45353
	* sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
	after bb_note is a BARRIER.

	* gcc.dg/pr45353.c: New test.

From-SVN: r163412

	* config/rs6000/darwin.h (LIB_SPEC): New. Provide save/restFP by 
	linking libgcc.a.

From-SVN: r163410

	* tree-ssa-address.c (tree_mem_ref_addr): Convert offset to
	sizetype.

Co-Authored-By: Michael Matz <matz@suse.de>

From-SVN: r163409

From-SVN: r163408

	* ggc-common.c (ggc_mark_root_tab): New function, split out from...
	(ggc_mark_roots): ...here.

From-SVN: r163407

	* gfortranspec.c (lang_specific_driver): Refer to -lgfortran in
	comment, not -lg2c.

From-SVN: r163406

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/45357
	* lto.c (lto_materialize_function): Replace has_analyzed_clone
	with has_analyzed_clone_p.

From-SVN: r163405

	* lto.c (has_analyzed_clone_p): New function
	(lto_materialize_function): Use callgraph to determine if
	body is needed.
	(materialize_cgraph): Remove DECL_IS_BUILTIN check.

From-SVN: r163403

missed from rest of commit
	* gimplify.c (gimplify_modify_expr): When assigning to volatiles,
	copy the src value and return a copy.
	* doc/extend.texi (Volatiles): Move from C++ to C and expand.
	(C++ Volatiles): Adjust to describe C++ semantics only.

From-SVN: r163402

gcc/
	* vec.h (FOR_EACH_VEC_ELT): Define.
	* c-decl.c: Use it.
	* cfgloop.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cgraph.c: Likewise.
	* cgraphunit.c: Likewise.
	* combine.c: Likewise.
	* config/bfin/bfin.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* dbxout.c: Likewise.
	* df-scan.c: Likewise.
	* dominance.c: Likewise.
	* dse.c: Likewise.
	* dwarf2out.c: Likewise.
	* except.c: Likewise.
	* expr.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genattr.c: Likewise.
	* ggc-common.c: Likewise.
	* gimplify.c: Likewise.
	* graphite-blocking.c: Likewise.
	* graphite-clast-to-gimple.c: Likewise.
	* graphite-dependences.c: Likewise.
	* graphite-interchange.c: Likewise.
	* graphite-poly.c: Likewise.
	* graphite-scop-detection.c: Likewise.
	* graphite-sese-to-poly.c: Likewise.
	* graphite.c: Likewise.
	* haifa-sched.c: Likewise.
	* ifcvt.c: Likewise.
	* implicit-zee.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa.c: Likewise.
	* ira-build.c: Likewise.
	* ira-color.c: Likewise.
	* ira-emit.c: Likewise.
	* lambda-code.c: Likewise.
	* loop-invariant.c: Likewise.
	* loop-unroll.c: Likewise.
	* lower-subreg.c: Likewise.
	* lto-cgraph.c: Likewise.
	* lto-opts.c: Likewise.
	* lto-streamer-in.c: Likewise.
	* lto-streamer-out.c: Likewise.
	* lto-streamer.c: Likewise.
	* lto-symtab.c: Likewise.
	* matrix-reorg.c: Likewise.
	* opts.c: Likewise.
	* predict.c: Likewise.
	* print-tree.c: Likewise.
	* sdbout.c: Likewise.
	* sel-sched-dump.c: Likewise.
	* sel-sched-ir.c: Likewise.
	* sel-sched.c: Likewise.
	* sese.c: Likewise.
	* stor-layout.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-cfgcleanup.c: Likewise.
	* tree-chrec.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-emutls.c: Likewise.
	* tree-inline.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-loop-linear.c: Likewise.
	* tree-mudflap.c: Likewise.
	* tree-outof-ssa.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-predcom.c: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivcanon.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-manip.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-pre.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-structalias.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-vect-data-refs.c: Likewise.
	* tree-vect-loop-manip.c: Likewise.
	* tree-vect-loop.c: Likewise.
	* tree-vect-patterns.c: Likewise.
	* tree-vect-slp.c: Likewise.
	* tree-vect-stmts.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.
	* value-prof.c: Likewise.
	* var-tracking.c: Likewise.
	* varasm.c: Likewise.
	* vmsdbgout.c: Likewise.

gcc/ada/
	* gcc-interface/decl.c: Use FOR_EACH_VEC_ELT.
	* gcc-interface/trans.c: Likewise.
	* gcc-interface/utils.c: Likewise.

gcc/c-family/
	* c-common.c: Use FOR_EACH_VEC_ELT.
	* c-gimplify.c: Likewise.
	* c-pragma.c: Likewise.

gcc/cp/
	* call.c: Use FOR_EACH_VEC_ELT.
	* class.c: Likewise.
	* decl.c: Likewise.
	* decl2.c: Likewise.
	* error.c: Likewise.
	* except.c: Likewise.
	* mangle.c: Likewise.
	* method.c: Likewise.
	* name-lookup.c: Likewise.
	* parser.c: Likewise.
	* pt.c: Likewise.
	* repo.c: Likewise.
	* semantics.c: Likewise.
	* typeck2.c: Likewise.

gcc/fortran/
	* trans-openmp.c: Use FOR_EACH_VEC_ELT.

gcc/java/
	* class.c: Use FOR_EACH_VEC_ELT.
	* expr.c: Likewise.
	* jcf-parse.c: Likewise.
	* resource.c: Likewise.

gcc/lto/
	* lto.c: Use FOR_EACH_VEC_ELT.

From-SVN: r163401

gimplify.c (gimplify_modify_expr): When assigning to volatiles, copy the src value and return a copy.

	gcc/
	* gimplify.c (gimplify_modify_expr): When assigning to volatiles,
	copy the src value and return a copy.
	* doc/extend.texi (Volatiles): Move from C++ to C and expand.
	(C++ Volatiles): Adjust to describe C++ semantics only.

	gcc/testsuite/
	* gcc.target/i386/volatile-2.c: New.

From-SVN: r163400

2010-08-20  Joseph Myers  <joseph@codesourcery.com>

	gcc/
	* doc/tm.texi.in (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Document to
	be zero or nonzero.
	* doc/tm.texi: Regenerate.
	* defaults.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define.
	* df-scan.c (df_get_exit_block_use_set), reginfo.c
	(init_reg_sets_1), rtlanal.c (rtx_unstable_p, rtx_varies_p):
	Handle new PIC_OFFSET_TABLE_REG_CALL_CLOBBERED semantics.
	* config/ia64/ia64.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define
	to 1.

From-SVN: r163399

re PR rtl-optimization/44691 (ICE: RTL check: expected code 'reg', have 'plus' in rhs_regno, at rtl.h:1050)

        PR rtl-optimization/44691
        * gfortran.dg/pr44691.f: New test.

From-SVN: r163396

sparc.c (sparc_asm_function_epilogue): Don't output an extra nop past a sibling call at the very end.

        * config/sparc/sparc.c (sparc_asm_function_epilogue): Don't output
        an extra nop past a sibling call at the very end.

        testsuite/
        * gcc.target/sparc/sibcall-dslot.c: New testcase.

From-SVN: r163395

	* testsuite/libmudflap.c++/pass41-frag.cxx (dg-prune-output):
	New dg directive.

From-SVN: r163394

From-SVN: r163393

	PR bootstrap/45350
	* combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
	a comment.

From-SVN: r163389

2010-08-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45108
	* io/list_read.c (namelist_read): If namelist reading fails, use
	generate_error and then continue the read loop.

From-SVN: r163387