2009-04-07  Robert Dewar  <dewar@adacore.com>

	* g-socket.adb: Minor reformatting.

	* g-socthi-mingw.adb: Minor reformatting

	* g-sothco.ads: Minor reformatting

	* exp_ch4.adb:
	(Expand_Concatenate_String): Complete rewrite to generate efficient code
	inline instead of relying on external library routines.

	* s-strops.ads, s-sopco5.ads, s-sopco5.adb, s-sopco4.ads, s-sopco4.adb,
	s-sopco3.ads, s-sopco3.adb, s-strops.adb: Note that this unit is now
	obsolescent

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb:
	(Eval_Attribute): for attributes of array objects that are not strings,
	attributes are not static if nominal subtype of object is unconstrained.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (New_Overloaded_Entity): If two implicit homonym
	operations for a type T in an instance do not override each other,
	when T is derived from a formal private type, the corresponding
	operations inherited by a type derived from T outside
	of the instance do not override each other either.

From-SVN: r145679

2009-04-07  Robert Dewar  <dewar@adacore.com>

	(Osint.Fail): Change calling sequence to have one string arg
	(Make.Make_Failed): Same change
	All callers are adjusted to use concatenation

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb: Fix documentation typo

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* tbuild.ads: Minor reformatting

2009-04-07  Javier Miranda  <miranda@adacore.com>

	* exp_disp.adb (Make_DT): Avoid the generation of the OSD_Table
	when compiling under ZFP runtime.

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* g-comlin.adb: Minor reformatting

2009-04-07  Thomas Quinot  <quinot@adacore.com>

	* socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
	g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
	g-socthi.adb, g-socthi.ads, g-socket.adb, g-socket.ads, g-sothco.ads:
	Remove dynamic allocation of Fd_Set in Socket_Set_Type objects.

From-SVN: r145678

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Document -gnatDnn/-gnatGnn

	* opt.ads (Sprint_Line_Limit): New parameter
	
	* sprint.adb: Usa Sprint_Line_Limit instead of Line_Limit throughout
	
	* switch-c.adb: Recognize -gnatDnnn and -gnatGnnn switches
	
	* usage.adb: Output information for -gnatGnn -gnatDnn

	* make.adb: Minor reformatting

	* mlib-tgt-specific-vms-alpha.adb: Minor reformatting

	* mlib-tgt-specific-vms-ia64.adb: Minor reformatting

From-SVN: r145677

tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased decls are only used if passes as parameters or if...

2009-04-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
	decls are only used if passes as parameters or if they are
	local statics and the call is not to a builtin.
	(call_may_clobber_ref_p_1): Likewise.

From-SVN: r145676

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* checks.adb:
	Remove Assume_Valid parameter from In_Subrange_Of calls
	
	* sem_eval.adb:
	(Is_Subrange_Of): Remove Assume_Valid parameter, not needed
	(Is_In_Range): Remove incorrect use of Assume_Valid
	(Is_Out_Of_Range): Remove incorrect use of Assume_Valid
	
	* sem_eval.ads:
	(Is_Subrange_Of): Remove Assume_Valid parameter, not needed
	(Is_In_Range): Documentation cleanup
	(Is_Out_Of_Range): Documentation cleanup

	* gnat_rm.texi:
	Add documentation for Assume_No_Invalid_Values pragma

	* sem_ch12.adb: Minor reformatting

	* sem_ch6.adb: (Check_Conformance): Avoid cascaded errors

	* sem_prag.adb: Improve error message.

	* gnatchop.adb, osint.ads, sinput.adb, sinput.ads, styleg.adb:
	LF/CR no longer recognized as line terminator

	* switch.ads: Minor documentation improvement

	* vms_data.ads: Minor reformatting

From-SVN: r145675

From-SVN: r145674

2009-04-06  Laurent GUERBY  <laurent@guerby.net>

        * Makefile.in (ADA_RTS_DIR): Define.
        * Makefile.in (gnatlib-*): Link adainclude and adalib to it.

From-SVN: r145673

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Determine_Range): Add Assume_Valid parameter
	
	* checks.ads (Determine_Range): Add Assume_Valid parameter
	
	* errout.adb (Error_Msg_NEL): Use Suppress_Loop_Warnings rather than
	 Is_Null_Loop to suppress warnings in a loop body.
	
	* exp_ch4.adb:
	(Rewrite_Comparison): Major rewrite to accomodate invalid values
	
	* exp_ch5.adb:
	(Expand_N_Loop_Statement): Delete loop known not to execute
	
	* opt.ads:
	(Assume_No_Invalid_Values): Now set to False, and as documented, this
	 fully enables the proper handling of invalid values.
	
	* sem_attr.adb:
	New calling sequence for Is_In_Range
	
	* sem_ch5.adb:
	(Analyze_Iteration_Scheme): Accomodate possible invalid values
	 in determining if a loop range is null.
	
	* sem_eval.adb:
	(Is_In_Range): Add Assume_Valid parameter
	(Is_Out_Of_Range): Add Assume_Valid_Parameter
	(Compile_Time_Compare): Major rewrite to accomodate invalid values and
	 also to do more accurate and complete range analysis, catching more
	 cases.
	
	* sem_eval.ads:
	(Is_In_Range): Add Assume_Valid parameter
	(Is_Out_Of_Range): Add Assume_Valid_Parameter
	
	* sem_util.adb:
	New calling sequence for Is_In_Range
	
	* sinfo.adb:
	(Suppress_Loop_Warnings): New flag
	
	* sinfo.ads:
	(Is_Null_Loop): Update documentation
	(Suppress_Loop_Warnings): New flag
	
	* gnat_ugn.texi: Document -gnatB switch

From-SVN: r145672

From-SVN: r145671

2009-04-07  Thomas Quinot  <quinot@adacore.com>

	* exp_ch3.adb: Minor rewording (comments)

2009-04-07  Robert Dewar  <dewar@adacore.com>

	* exp_disp.adb: Minor reformatting

From-SVN: r145670

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (do_store_flag): Remove last argument.  Simplify code
	to avoid duplication of tests already done by can_compare_p.
	(expand_expr_real_1): Adjust caller.

From-SVN: r145668

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (can_compare_p): Test the predicate of a
        cbranch and cstore pattern.

From-SVN: r145667

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (convert_move): Use emit_store_flag instead of
        "emulating" it.

From-SVN: r145666

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (ix86_compare_emitted): Remove.
        (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
        ix86_compare_op0 like ix86_compare_emitted used to be handled.
        * config/i386/i386.h (ix86_compare_emitted): Remove.
        * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
        instead of ix86_compare_emitted.
        * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.

From-SVN: r145665

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Test the
	underlying type.
	* gcc-interface/trans.c (lvalue_required_p): Likewise.

From-SVN: r145663

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Attribute_to_gnu) <Max_Size_In_Storage_Elmts>:
	Do not convert the result.  Remove obsolete comment.

From-SVN: r145662

	* gcc-interface/trans.c (establish_gnat_vms_condition_handler): Clear
	DECL_CONTEXT.
	(Subprogram_Body_to_gnu): Fix pasto.

From-SVN: r145661

	* gcc-interface/gigi.h (standard_datatypes): Remove ADT_void_type_decl.
	(void_type_decl_node): Remove.
	(init_gigi_decls): Likewise.
	(gnat_install_builtins): Declare.
	(record_builtin_type): Likewise.
	(create_type_stub_decl): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Void>: Use void_type.
	(gnat_to_gnu_entity) <E_Array_Type>: Make fat and thin pointer types
	artificial.
	<E_Array_Subtype>: Use the index types, not only their name, in the
	record giving the names of the bounds, if any.
	For a packed array type, make it artificial only if the base type
	was artificial as well.  Remove redundant statement.
	(gnat_to_gnu_entity) <E_Incomplete_Type>: Do not create TYPE_DECL for
	dummy types.
	Use create_type_stub_decl to build the TYPE_STUB_DECL of types.
	(rest_of_type_decl_compilation_no_defer): Likewise.
	* gcc-interface/misc.c (gnat_printable_name): Add missing guard.
	* gcc-interface/utils.c (make_dummy_type): Always create TYPE_STUB_DECL
	and use create_type_stub_decl to build it.
	(gnat_pushdecl): Rewrite condition.
	(gnat_install_builtins): Remove bogus declaration.
	(record_builtin_type): New function.
	(finish_record_type): Use create_type_stub_decl to build TYPE_STUB_DECL
	of types.
	(create_type_stub_decl): New function.
	(create_type_decl): Assert that the type is not dummy.  If the type
	hasn't been named yet, equate the TYPE_STUB_DECL to the created node.
	(build_vms_descriptor32): Do not create TYPE_DECL for the descriptor.
	(build_vms_descriptor): Likewise.
	(init_gigi_decls): Delete and move bulk of code to...
	* gcc-interface/trans.c (gigi): ...here.  Use record_builtin_type.
	(emit_range_check): Add gnat_node parameter.
	(emit_index_check): Likewise.
	(emit_check): Likewise.
	(build_unary_op_trapv): Likewise.
	(build_binary_op_trapv): Likewise.
	(convert_with_check): Likewise.
	(Attribute_to_gnu): Adjust calls for above changes.
	(call_to_gnu): Likewise.
	(gnat_to_gnu): Likewise.
	(assoc_to_constructor): Likewise.
	(pos_to_constructor): Likewise.
	(Sloc_to_locus): Set BUILTINS_LOCATION for Standard_Location nodes.
	(process_type): Do not create TYPE_DECL for dummy types.

From-SVN: r145660

	* gcc-interface/decl.c (gnat_to_gnu_entity): Reorder local variables.
	* gcc-interface/trans.c: Fix formatting throughout.  Fix comments.
	* gcc-interface/utils.c: Fix comments.

From-SVN: r145658

	* decl.c (compile_time_known_address_p): Rewrite and move around.
	(gnat_to_gnu_type): Move around.
	(get_unpadded_type): Likewise.
	* utils.c (update_pointer_to): Use synthetic macro.  Tidy comments.

From-SVN: r145654

From-SVN: r145653

	* gcc-interface/trans.c (check_for_eliminated_entity): New function.
	(Attribute_to_gnu): Invoke it for Access- and Address-like attributes.
	(call_to_gnu): Invoke it instead of manually checking.

From-SVN: r145652

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38920
	* expr.c (gfc_check_pointer_assign): Enable interface check for
	procedure pointers.
	* gfortran.h: Add copy_formal_args_intr.
	* interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
	if second argument is an intrinsic.
	(compare_intr_interfaces): Correctly set attr.function, attr.subroutine
	and ts.
	(compare_parameter): Call gfc_compare_interfaces also for intrinsics.
	* resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
	intrinsic interfaces here. Must happen earlier.
	(resolve_symbol): Resolution of intrinsic interfaces moved here from
	resolve_specific_..., and formal args are now copied from intrinsic
	interfaces.
	* symbol.c (copy_formal_args_intr): New function to copy the formal
	arguments from an intinsic procedure.


2009-04-07  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/38920
	* gfortran.dg/proc_decl_1.f90: Modified.
	* gfortran.dg/proc_ptr_11.f90: Extended.
	* gfortran.dg/proc_ptr_13.f90: Modified.

From-SVN: r145651

2009-04-07  Andrew Stubbs  <ams@codesourcery.com>

	* config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
	Add t-sysroot-suffix to tmake_file.
	* config/print-sysroot-suffix.sh: New file.
	* config/t-sysroot-suffix: New file.

From-SVN: r145650

	* libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
	as the latter produces a warning when the target does not support
	infinity.

From-SVN: r145646

2009-04-06  Benjamin Kosnik  <bkoz@redhat.com>

	* include/Makefile.am (${pch1a_output}): Use gnu++0x flags instead
	of debug.
	* include/Makefile.in: Regenerate.
	* include/precompiled/stdc++.h: Add.

	* doc/xml/api.xml: Add gcc-4.4 link.
	* doc/html/api.html: Regenerate.

2009-04-06  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/random.h: Adjust doxygen markup.
	* doc/doxygen/user.cfg.in: Prefer C++0x to tr1 includes.

	* testsuite/26_numerics/random/piecewise_linear_distribution/
	operators/serialize.cc: Use typedefs.

From-SVN: r145645

	* dfp.c: Replace type punning assignments with memcpy throughout.
	* Makefile.in (dfp.o-warn): Remove.

From-SVN: r145644

	PR target/39634
	* config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
	Include soft-fp/t-softfp after rs6000/t-linux64.
	* config.host: Reorder and merge to match config.gcc change.

From-SVN: r145641

From-SVN: r145640

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR libgfortran/39664
	* io/unix.c (raw_close): Don't close STDOUT_FILENO,
	STDERR_FILENO nor STDIN_FILENO.

From-SVN: r145636

	* stor-layout.c (set_sizetype): Use the full precision of their
	machine mode for bitsize types.

From-SVN: r145631

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md: Revert 2 accidental checkins.

From-SVN: r145630

	PR c++/35146
	* pt.c (fn_type_unification): For DEDUCE_EXACT check that
	the deduced template arguments give us the parameter types
	we're looking for.

From-SVN: r145625

2009-04-06  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	Atom pipeline model, tuning and insn selection.
	* config.gcc (atom): Add atom config options and target.

	* config/i386/atom.md: New.

	* config/i386/i386.c (atom_cost): New cost.
	(m_ATOM): New macro flag.
	(initial_ix86_tune_features): Set m_ATOM.
	(x86_accumulate_outgoing_args): Likewise.
	(x86_arch_always_fancy_math_387): Likewise.
	(processor_target): Add Atom cost.
	(cpu_names): Add Atom cpu name.
	(override_options): Set Atom ISA.
	(ix86_issue_rate): New case PROCESSOR_ATOM.
	(ix86_adjust_cost): Likewise.

	* config/i386/i386.h (TARGET_ATOM): New target macro.
	(ix86_tune_indices): Add X86_TUNE_OPT_AGU.
	(TARGET_OPT_AGU): New target option.
	(target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
	(processor_type): Add PROCESSOR_ATOM.

	* config/i386/i386.md (cpu): Add new value "atom".
	(use_carry, movu): New attr.
	(atom.md): Include atom.md.
	(adddi3_carry_rex64): Set attr "use_carry".
	(addqi3_carry): Likewise.
	(addhi3_carry): Likewise.
	(addsi3_carry): Likewise.
	(*addsi3_carry_zext): Likewise.
	(subdi3_carry_rex64): Likewise.
	(subqi3_carry): Likewise.
	(subhi3_carry): Likewise.
	(subsi3_carry): Likewise.
	(x86_movdicc_0_m1_rex64): Likewise.
	(*x86_movdicc_0_m1_se): Likewise.
	(x86_movsicc_0_m1): Likewise.
	(*x86_movsicc_0_m1_se): Likewise.
	(*adddi_1_rex64): Emit add insn as much as possible.
	(*addsi_1): Likewise.
	(return_internal): Set atom_unit.
	(return_internal_long): Likewise.
	(return_pop_internal): Likewise.
	(*rcpsf2_sse): Set atom_sse_attr attr.
	(*qrt<mode>2_sse): Likewise.
	(*prefetch_sse): Likewise.

	* config/i386/i386-c.c (ix86_target_macros_internal): New case
	PROCESSOR_ATOM.
	(ix86_target_macros_internal): Likewise.

	* config/i386/sse.md (cpu): Set attr "atom_sse_attr".
	(*prefetch_sse_rex): Likewise.
	(sse_rcpv4sf2): Likewise.
	(sse_vmrcpv4sf2): Likewise.
	(sse_sqrtv4sf2): Likewise.
	(<sse>_vmsqrt<mode>2): Likewise.
	(sse_ldmxcsr): Likewise.
	(sse_stmxcsr): Likewise.
	(*sse_sfence): Likewise.
	(sse2_clflush): Likewise.
	(*sse2_mfence): Likewise.
	(*sse2_lfence): Likewise.
	(avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
	(<sse>_movup<ssemodesuffixf2c>): Likewise.
	(avx_movdqu<avxmodesuffix>): Likewise.
	(avx_lddqu<avxmodesuffix>): Likewise.
	(sse2_movntv2di): Change attr "type" to "ssemov".
	(sse2_movntsi): Likewise.
	(rsqrtv8sf2): Change attr "type" to "sseadd".
	(sse3_addsubv2df3): Set attr "atom_unit".
	(sse3_h<plusminus_insn>v4sf3): Likewise.
	(*sse2_pmaddwd): Likewise.
	(*vec_extractv2di_1_rex64): Likewise.
	(*vec_extractv2di_1_avx): Likewise.
	(sse2_psadbw): Likewise.
	(ssse3_phaddwv8hi3): Likewise.
	(ssse3_phaddwv4hi3): Likewise.
	(ssse3_phadddv4si3): Likewise.
	(ssse3_phadddv2si3): Likewise.
	(ssse3_phaddswv8hi3): Likewise.
	(ssse3_phaddswv4hi3): Likewise.
	(ssse3_phsubwv8hi3): Likewise.
	(ssse3_phsubwv4hi3): Likewise.
	(ssse3_phsubdv4si3): Likewise.
	(ssse3_phsubdv2si3): Likewise.
	(ssse3_phsubswv8hi3): Likewise.
	(ssse3_phsubswv4hi3): Likewise.
	(ssse3_pmaddubsw128): Likewise.
	(sse3_pmaddubsw: Likewise.
	(ssse3_palignrti): Likewise.
	(ssse3_palignrdi): Likewise.

Co-Authored-By: H.J. Lu <hongjiu.lu@intel.com>
Co-Authored-By: Xuepeng Guo <xuepeng.guo@intel.com>

From-SVN: r145624

testsuite/
2009-04-06  Laurent GUERBY  <laurent@guerby.net>

        * lib/gnat.exp: Handle multilib.
        
libada/
2009-04-06  Laurent GUERBY  <laurent@guerby.net>

        * Makefile.in (ADA_RTS_DIR): Define.
        * Makefile.in (gnatlib-*): Link adainclude and adalib to it.

From-SVN: r145622

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* dependency.c (ref_same_as_full_array): New function.
	(gfc_dep_resolver): Call it.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38863
	* gfortran.dg/dependency_23.f90: New test.

From-SVN: r145621

From-SVN: r145619

2009-04-06  Andrew Stubbs  <ams@codesourcery.com>

	* config/cpu/sh/atomicity.h: Put the SH4A specific functions in the
	__gnu_cxx namespace.  Remove "static inline".

From-SVN: r145613

        * io/io.h (struct stream): Rename truncate to trunc.
        (struncate): Same.
        * io/unix.c (raw_init): Rename truncate to trunc.
        (buf_init): Same.
        (open_internal): Same.

From-SVN: r145608

2009-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/28868
	* tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
	of which PHI results we inserted.
	(insert_into_preds_of_block): Record inserted PHIs.
	(eliminate): Eliminate redundant PHI nodes.
	(init_pre): Init inserted_phi_names.

	* gcc.dg/tree-ssa/ssa-fre-21.c: New testcase.
	* gcc.dg/tree-ssa/ssa-sccvn-1.c: Adjust.
	* gcc.dg/tree-ssa/ssa-sccvn-2.c: Likewise.
	* gcc.dg/tree-ssa/ssa-sccvn-4.c: Likewise.

From-SVN: r145607