* gcc-interface/utils.c (gnat_pushdecl): If this is a non-artificial
	declaration of a pointer type, then set DECL_ORIGINAL_TYPE to a
	distinct copy.

From-SVN: r171885

	* gcc-interface/decl.c (gnat_to_gnu_entity): Do not force the
	DECL_ARTIFICIAL flag on enumeration types.

From-SVN: r171884

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Do not make
	fat pointer types artificial unconditionally.
	<E_Array_Subtype>: Attach the base array type as a parallel type if it
	isn't artificial.

From-SVN: r171883

	* gcc-interface/gigi.h (get_dummy_type): Declare.
	(build_dummy_unc_pointer_types): Likewise.
	(finish_fat_pointer_type): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: If a dummy
	fat pointer type has been built, complete it in place.
	<E_Access_Type>: Call build_dummy_unc_pointer_types to build dummy fat
	and thin pointers.  Remove useless variable.
	(finish_fat_pointer_type): Make global and move to...
	* gcc-interface/utils.c (finish_fat_pointer_type): ...here.
	(get_dummy_type): New function.
	(build_dummy_unc_pointer_types): Likewise.
	(gnat_pushdecl): Propage the name to the anonymous variants only.
	(update_pointer_to): Only adjust the pointer types in the unconstrained
	array case.

From-SVN: r171882

	* gcc-interface/ada-tree.h (DECL_TAFT_TYPE_P): New flag.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Incomplete_Type>: Set it
	if this is a Taft amendment type and the full declaration is available.
	* gcc-interface/trans.c (process_type): Likewise.
	If there is an old type, mark the new one as used if DECL_TAFT_TYPE_P.
	(process_freeze_entity): Likewise.
	* gcc-interface/utils.c (dummy_global): New static variable.
	(gnat_write_global_declarations): If there are types declared as used
	at the global level, insert them in the global hash table.

From-SVN: r171881

	* gcc-interface/gigi.h (record_builtin_type): Add ARTIFICIAL_P param.
	* gcc-interface/utils.c (gnat_pushdecl): If this is a non-artificial
	declaration of an array type, then set DECL_ORIGINAL_TYPE to a distinct
	copy.
	(record_builtin_type): Add ARTIFICIAL_P parameter.  Set DECL_ARTIFICIAL
	flag of the type accordingly.
	* gcc-interface/trans.c (gigi): Adjust calls to record_builtin_type.

From-SVN: r171880

decl.c (gnat_to_gnu_entity): Defer finalizing types when updating the pointers to the designated type.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Defer
	finalizing types when updating the pointers to the designated type.
	<all>: Finalize the deferred types even if we didn't defer processing
	of incomplete types in this invocation.

From-SVN: r171879

From-SVN: r171868

From-SVN: r171867

	* dwarf2out.c (dwarf_attr_name): Map DW_AT_GNAT_descriptive_type.
	(add_gnat_descriptive_type_attribute): New function.
	(gen_array_type_die): Call it.
	(gen_enumeration_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(modified_type_die): Likewise.
	* langhooks.h (lang_hooks_for_types): New descriptive_type hook.
	* langhooks-def.h (LANG_HOOKS_DESCRIPTIVE_TYPE): Default to NULL.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_DESCRIPTIVE_TYPE.
ada/
	* gcc-interface/misc.c (gnat_descriptive_type): New function.
	(LANG_HOOKS_DESCRIPTIVE_TYPE): Redefine to gnat_descriptive_type.

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>
Co-Authored-By: Nicolas Setton <setton@adacore.com>

From-SVN: r171862

From-SVN: r171861

From Uros Bizjak.

From-SVN: r171860

From-SVN: r171858

	PR bootstrap/48148
	* dwarf2out.c (resolve_addr): Don't call force_decl_die
	if DECL_EXTERNAL has non-NULL DECL_ABSTRACT_ORIGIN.

	Revert:
	2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/48148
	* lto-cgraph.c (input_overwrite_node): Clear the abstract
	origin for decls in other ltrans units.
	(input_varpool_node): Likewise.

From-SVN: r171856

	PR middle-end/48335
	* expr.c (expand_assignment): Handle all possibilities
	if TO_RTX is CONCAT.
	* expmed.c (store_bit_field_1): Avoid trying to create
	invalid SUBREGs.
	(store_split_bit_field): If SUBREG_REG (op0) or
	op0 itself has smaller mode than word, return it
	for offset 0 and const0_rtx for out-of-bounds stores.
	If word is const0_rtx, skip it.

	* gcc.c-torture/compile/pr48335-1.c: New test.
	* gcc.dg/pr48335-1.c: New test.
	* gcc.dg/pr48335-2.c: New test.
	* gcc.dg/pr48335-3.c: New test.
	* gcc.dg/pr48335-4.c: New test.
	* gcc.dg/pr48335-5.c: New test.
	* gcc.dg/pr48335-6.c: New test.
	* gcc.dg/pr48335-7.c: New test.
	* gcc.dg/pr48335-8.c: New test.
	* gcc.target/i386/pr48335-1.c: New test.

From-SVN: r171855

	* config/h8300/h8300.c (print_operand_address): Rename to...
	(h8300_print_operand_address): ...this. Make static. Adjust comments.
	Call h8300_print_operand and h8300_print_operand_address instead of
	print_operand and print_operand_address. Declare.
	(print_operand): Renake to...
	(h8300_print_operand): ...this. Make static. Adjust comments.
	Call h8300_print_operand instead of print_operand. Declare.
	(h8300_print_operand_punct_valid_p): Moved from h8300.h file.
	(h8300_register_move_cost): Likewise.
	(TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_PRINT_OPERAND
	TARGET_PRINT_OPERAND_ADDRESS, TARGET_REGISTER_MOVE_COST): Define.
	* config/h8300/h8300.h (PRINT_OPERAND_ADDRESS, PRINT_OPERAND
	PRINT_OPERAND_PUNCT_VALID_P, REGISTER_MOVE_COST): Delete.
	* config/h8300/h8300-protos.h (print_operand): Delete.
	(print_operand_address): Delete.

From-SVN: r171853

PR 48400
* dwarf2out.c (dwarf2out_source_line): Disable discriminators
in strict mode before dwarf4.  Re-order tests to early out
before switching sections.

From-SVN: r171852

	* config/h8300/constraints.md: New file.
	* config/h8300/h8300.md: Include it.  Use satisfies_constraint_J,
	satisfies_constraint_L, and satisfies_constraint_N for peephole2s.
	(*tst_extzv_1_n, *tstsi_variable_bit_qi): Use satisfies_constraint_U.
	* config/h8300/predicates.md (bit_operand): Likewise.
	(incdec_operand): Use satisfies_constraint_M and
	satisfies_constraint_O.  Don't use C code block.
	* config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Delete.
	* config/h8300/h8300.c (h8300_reg_class_from_letter): Delete.
	(compute_mov_length): Use satisfies_constraint_G.
	(fix_bit_operand): Use satisfies_constraint_U.
	* config/h8300/h8300.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Delete.
	(CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O): Delete.
	(CONST_OK_FOR_Ppositive, CONST_OK_FOR_Pnegative): Delete.
	(CONST_OK_FOR_P, CONSTRAINT_LEN_FOR_P): Delete.
	(CONST_OK_FOR_CONSTRAINT_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(OK_FOR_Q, OK_FOR_R, OK_FOR_S, OK_FOR_T, OK_FOR_U, OK_FOR_WU): Delete.
	(OK_FOR_W, CONSTRAINT_LEN_FOR_W, OK_FOR_Y2, OK_FOR_Y0): Delete.
	(OK_FOR_Y, CONSTRAINT_LEN_FOR_Y, OK_FOR_Z): Delete.
	(EXTRA_CONSTRAINT_STR, CONSTRAINT_LEN): Delete.
	(EXTRA_MEMORY_CONSTRAINT): Delete.

From-SVN: r171851

	PR c/36299
	* gcc.dg/Waddress.c: New test.

From-SVN: r171850

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* frontend-passes (cfe_register_funcs):  Don't
	register functions if they appear as iterators in DO loops.

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* gfortran.dg/function_optimize_3.f90:  New test.

From-SVN: r171849

	* configure.ac (avr-*-*): Add comment about why libssp is disabled.
	(microblaze*): Don't disable libssp.
	* configure: Regenerate.

From-SVN: r171848

Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>

From-SVN: r171847

        * dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
        high_pc attribute if the CU has no associated code. Only output
        DW_AT_entry_pc for CU if not generating strict dwarf and
        dwarf_version < 4.

From-SVN: r171846

	* haifa-sched.c (prune_ready_list): New function, broken out of
	schedule_block.
	(schedule_block): Use it.

From-SVN: r171845

	* g++.dg/lto/20091002-1_0.C: Use "dg-require-effective-target fpic".
	* g++.dg/lto/20091002-2_0.C: Likewise.
	* g++.dg/lto/20090303_0.c: Likewise.
	* g++.dg/lto/20091004-1_0.C: Likewise.
	* g++.dg/lto/20091002-3_0.C: Likewise.
	* g++.dg/lto/20091004-2_0.C: Likewise.
	* g++.dg/lto/20081123_0.C: Likewise.
	* g++.dg/lto/20090313_0.C: Likewise.
	* g++.dg/lto/20081109-1_0.C: Likewise.
	* g++.dg/lto/20081219_0.C: Likewise.
	* g++.dg/lto/20081204-1_0.C: Likewise.
	* g++.dg/lto/20090302_0.C: Likewise.
	* g++.dg/lto/20081119-1_0.C: Likewise.
	* g++.dg/lto/20081118_0.C: Likewise.
	* gcc.dg/lto/20091020-2_0.c: Likewise.
	* gcc.dg/lto/20090210_0.c: Likewise.
	* gcc.dg/lto/20081204-1_0.c: Likewise.
	* gcc.dg/lto/20081224_0.c: Likewise.
	* gcc.dg/lto/20090219_0.c: Likewise.
	* gcc.dg/lto/20091014-1_0.c: Likewise.
	* gcc.dg/lto/20091016-1_0.c: Likewise.
	* gcc.dg/lto/20090206-2_0.c: Likewise.
	* gcc.dg/lto/20090116_0.c: Likewise.
	* gcc.dg/lto/20091013-1_0.c: Likewise.
	* gcc.dg/lto/20091015-1_0.c: Likewise.
	* gcc.dg/lto/20090126-2_0.c: Likewise.

From-SVN: r171844

	* sched-ebb.c (begin_schedule_ready): Remove second argument.
	Split most of the code into...
	(begin_move_insn): ... here.  New function.
	(ebb_sched_info): Add a pointer to it.
	* haifa-sched.c (scheduled_insns): New static variable.
	(sched_extend_ready_list): Allocate it.
	(schedule_block): Use it to record the order of scheduled insns.
	Perform RTL changes to move insns only after all scheduling
	decisions have been made.
	* modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
	begin_move_insn field.
	* sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
	* sched-int.h (struct haifa_sched_info): Remove second argument
	from begin_schedule_ready hook.  Add new member begin_move_insn.
	* sched-rgn.c (begin_schedule_ready): Remove second argument.
	(rgn_const_sched_info): Add NULL entry for the begin_move_insn field.

From-SVN: r171843

From-SVN: r171842

	* haifa-sched.c (queue_insn): New arg REASON.  All callers
	changed.  Print it in debugging output.

From-SVN: r171841

	* ifcvt.c (cond_exec_process_insns): Disallow converting a block
	that contains the prologue.

	* gcc.c-torture/compile/20110401-1.c: New test.

From-SVN: r171840

	* dwarf2out.h (dwarf2out_frame_debug_init): Declare.
	* dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
	out of ...
	(dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
	* final.c (final_start_function): Call the new function rather
	than using a NULL argument for dwarf2out_frame_debug.

From-SVN: r171839

From-SVN: r171837

From-SVN: r171836

From-SVN: r171834

2011-04-01  Kai Tietz  <ktietz@redhat.com>

	* config.gcc (*-*-mingw*): Allow as option the
	posix threading model.
	* config/i386/mingw32.h ( SPEC_PTHREAD1,  SPEC_PTHREAD2):
	New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
	definition.
	(CPP_SPEC): Add pthread/no-pthread handling.
	(LIB_SPEC): Likewise.
	* config/i386/mingw-w64.h (CPP_SPEC):Likewise.
	(LIB_SPEC): Likewise.
	* config/i386/t-cygming (SHLIB_PTHREAD_CFLAG): New
	flag to pass -pthread option for shared libgcc build.
	(SHLIB_PTHREAD_LDFLAG): New option to pass -lpthread
	for shared libgcc build.
	* config/i386/t-mingw-pthread: New file.
	* config/i386/mingw-pthread.h (TARGET_USE_PTHREAD_BY_DEFAULT):
	New define to enable use of library pthread by default.
	* config/i386/mingw.opt (pthread): New driver option.
	(no-pthread): New driver option.
	* config/i386/cygming.opt: Make sure trailing empty line
	is retained.
	* config/i386/mingw-w64.opt: Likewise.

From-SVN: r171833

2011-04-01  Gary Funck <gary@intrepid.com>

	* c-decl.c (grokdeclarator): Fix formatting.

From-SVN: r171831

	* configure.ac: Remove code setting CONFIG_SHELL, config_shell and
	moveifchange.
	* configure: Regenerate.
	* Makefile.tpl: Use @SHELL@ not @config_shell@.
	* Makefile.in: Regenerate.

From-SVN: r171830

	* configure.ac (*-*-sysv4*): Don't enable libgomp.
	(alpha*-*-*vms*, i[[34567]]86-*-sco3.2v5*, mn10300-*-*,
	powerpc-*-chorusos*, powerpc*-*-eabi*, powerpc*-*-sysv*,
	powerpc*-*-kaos*, s390x-ibm-tpf*, sparc64-*-elf*, v850*-*-*,
	xtensa*-*-elf*, *-*-beos*, *-*-elf*, *-*-netware*, *-*-rtems*,
	*-*-sysv[[45]]*, *-*-vxworks*, *-wrs-windiss): Remove
	md_exec_prefix cases.
	* configure: Regenerate.

From-SVN: r171829

	* configure.ac: Separate cases disabling target-libssp,
	target-libiberty, target-libstdc++-v3 and Fortran from general
	case over targets.
	* configure: Regenerate.

From-SVN: r171827

	* configure.ac (*-*-chorusos): Don't disable libgcj.
	(*-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*):
	Remove case.
	(*-*-kaos*): Don't disable GCC libraries, zlib or fastjar.
	(arm-*-coff): Don't disable libgcj.
	(arm*-*-linux-gnueabi): Remove useless assignment.
	(arm-*-riscix*): Don't disable libgcj.
	(bfin-*-*): Don't enable target-bsp and target-cygmon depending on
	configuration.
	(c4x-*-* | tic4x-*-*): Don't disable GCC libraries.
	(c54x*-*-*): Remove case.
	(tic54x-*-*): Don't disable GCC or GCC libraries.
	(cris-*-* | crisv32-*-*): Don't handle *-*-aout.  Change *-*-elf
	to *.
	(d10v-*-*): Don't disable GCC libraries.
	(d30v-*-*): Don't disable libgcj.
	(h8500-*-*): Don't disable GCC libraries.
	(i960-*-*): Don't disable libgcj.
	(i[[3456789]]86-*-linux*): Don't handle *-*-*libc1*.
	(i[[3456789]]86-*-sco3.2v5*, i[[3456789]]86-*-sco*,
	i[[3456789]]86-*-sysv4*, i[[3456789]]86-*-beos*): Don't disable
	libgcj.
	(m68k-*-coff*): Remove case.
	(mmix-*-*): Don't disable libgloss on host.
	(mn10200-*-*, mn10300-*-*): Remove cases.
	(powerpc*-*-winnt* | powerpc*-*-pe*, powerpcle-*-solaris*,
	powerpc-*-beos*, m68k-apollo-*, mips*-*-irix5*, mips*-*-bsd*):
	Don't disable libgcj.
	(romp-*-*): Remove case.
	(sparclite-*-*, sparc-*-sunos4*): Don't disable libgcj.
	(sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*): Remove
	case.
	(v810-*-*): Don't disable GCC libraries.
	(v850*-*-*, vax-*-vms, xtensa*-*-*): Remove cases.
	(ip2k-*-*): Don't disable GCC libraries.
	* configure: Regenerate.

From-SVN: r171826

gcc/
	* expr.c (emit_block_move_via_movmem): Use n_generator_args
	instead of n_operands.
	(set_storage_via_setmem): Likewise.
	* optabs.c (maybe_gen_insn): Likewise.
	* config/arm/arm.c (arm_init_neon_builtins): Likewise.
	* config/mips/mips.c (mips_expand_builtin_compare_1): Likewise.
	(mips_expand_builtin_direct): Likewise.
	* config/spu/spu.c (expand_builtin_args): Likewise.

From-SVN: r171823