path: root/gcc/ChangeLog

2012-02-14  Walter Lee  <walt@tilera.com>

	* config.gcc: Handle tilegx and tilepro.
	* configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
	tilegx and tilepro.
	Add HAVE_AS_TLS check for tilegx and tilepro.
	* configure: Regenerate.
	* doc/contrib.texi: Add Mat Hostetter and self.
	* doc/extend.texi (TILE-Gx Built-in Functions): New node.
	Document instruction intrinsics and network accessing intrinsics.
	(TILEPro Built-in Functions): New node.  Document instruction
	intrinsics and network accessing intrinsics.
	* doc/install.texi (Specific, tilegx-*-linux*): Document it.
	(Specific, tilepro-*-linux*): Likewise.
	* doc/invoke.texi (TILE-Gx Options): New section.
	(TILEPro Options): New section.
	* doc/md.texi (TILE-Gx): New section.
	(TILEPro): New section.
	* common/config/tilegx/tilegx-common.c: New file.
	* common/config/tilepro/tilepro-common.c: New file.
	* config/tilegx/constraints.md: New file.
	* config/tilegx/linux.h: New file.
	* config/tilegx/mul-tables.c: New file.
	* config/tilegx/predicates.md: New file.
	* config/tilegx/sync.md: New file.
	* config/tilegx/t-tilegx: New file.
	* config/tilegx/tilegx-builtins.h: New file.
	* config/tilegx/tilegx-c.c: New file.
	* config/tilegx/tilegx-generic.md: New file.
	* config/tilegx/tilegx-modes.def: New file.
	* config/tilegx/tilegx-multiply.h: New file.
	* config/tilegx/tilegx-protos.h: New file.
	* config/tilegx/tilegx.c: New file.
	* config/tilegx/tilegx.h: New file.
	* config/tilegx/tilegx.md: New file.
	* config/tilegx/tilegx.opt: New file.
	* config/tilepro/constraints.md: New file.
	* config/tilepro/gen-mul-tables.cc: New file.
	* config/tilepro/linux.h: New file.
	* config/tilepro/mul-tables.c: New file.
	* config/tilepro/predicates.md: New file.
	* config/tilepro/t-tilepro: New file.
	* config/tilepro/tilepro-builtins.h: New file.
	* config/tilepro/tilepro-c.c: New file.
	* config/tilepro/tilepro-generic.md: New file.
	* config/tilepro/tilepro-modes.def: New file.
	* config/tilepro/tilepro-multiply.h: New file.
	* config/tilepro/tilepro-protos.h: New file.
	* config/tilepro/tilepro.c: New file.
	* config/tilepro/tilepro.h: New file.
	* config/tilepro/tilepro.md: New file.
	* config/tilepro/tilepro.opt: New file.

2012-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52210
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Call
	vect_model_simple_cost with two entry vect_def_type array instead
	of an address of dt.

2012-02-14  Richard Guenther  <rguenther@suse.de>

	PR lto/52178
	* tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
	Do not stream DECL_QUALIFIER.
	* tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
	* tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
	(find_decls_types_r): Do not walk DECL_QUALIFIER.

2012-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR c/52181
	* c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
	newdecl.

2012-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/52172
	* cselib.h (cselib_subst_to_values_from_insn): New prototype.
	* cselib.c (cselib_subst_to_values_from_insn): New function.
	* sched-deps.c (add_insn_mem_dependence,
	sched_analyze_1, sched_analyze_2): Use it.

2012-02-13  Jan Hubicka  <jh@suse.cz>

	PR middle-end/52214
	* predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.

2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
	(GTM_SELF_SPECS): Define if not already defined.
	(driver_self_specs): Add GTM_SELF_SPECS.
        * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
        (GTM_SELF_SPECS): Define.
	* config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
	* config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.

2012-02-13  Jakub Jelinek  <jakub@redhat.com>

	* cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
	away if seen.

	* cselib.c (dump_cselib_val): Don't assume l->setting_insn is
	non-NULL.

	PR middle-end/52230
	* omp-low.c (expand_omp_for): If a static schedule without
	chunk size has NULL region->cont, force fd.chunk_size to be
	integer_zero_node.

2012-02-13  Andrew MacLeod  <amacleod@redhat.com>

	PR c/52190
	* doc/extend.texi : Fix another __atomic_compare_exchange typo.

2012-02-13  Richard Guenther  <rguenther@suse.de>

	PR translation/52211
	* passes.c (enable_disable_pass): Fix typo.

2012-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52209
	* expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
	XOR for reduce_bit_field if type is unsigned.

2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
	disallow changes from SFmode to mode with different size in FP regs.

2012-02-12  Robert Millan  <rmh@gnu.org>
            Gerald Pfeifer <gerald@pfeifer.com>

	* ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
	Tweak comment.

2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/52175
	* reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
	to frame-related instructions.

2012-02-10  Jason Merrill  <jason@redhat.com>

	PR c++/51910
	* tlink.c (demangled_hash_entry): Change mangled to a VEC.
	(demangle_new_symbols): Fill it.
	(scan_linker_output): Walk it.
	(start_tweaking): Split out from scan_linker_output.
	(maybe_tweak): Update sym->chosen.
	* Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o

2012-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/52132
	* reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
	get_true_reg.

2012-02-11  Uros Bizjak  <ubizjak@gmail.com>

	* compare-elim.c (find_comparisons_in_bb): Eliminate only compares
	having the same mode as previous compare.

2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
	* config/sparc/sparc.md (UNSPECV_GOTO): Delete.
	(nonlocal_goto_internal): Likewise.
	(nonlocal_goto): Emit a use and an indirect jump directly.

2012-02-10  Andrew MacLeod  <amacleod@redhat.com>

	PR c/52190
	* doc/extend.texi : Update comments for __atomic_compare_exchange and
	__atomic_{is,always}_lock_free.

2012-02-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52146
	* config/i386/i386.c (ix86_legitimate_address_p): Disallow
	negative constant address for x32.

2012-02-10  Richard Henderson  <rth@redhat.com>

	* tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
	* tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
	for GIMPLE_TRANSACTION.  Tidy if's into a switch.

2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
	    Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/50031
	* targhooks.c (default_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
	* tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
	all types of reduction and pattern statements.
	(vect_estimate_min_profitable_iters): Likewise.
	* tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
	(vect_get_load_cost): Use vec_perm for permutations; add dump logic
	for explicit realigns.
	(vectorizable_conversion): Call vect_model_promotion_demotion_cost.
	* config/spu/spu.c (spu_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
	vec_perm for VSX and handle vec_promote_demote.

2012-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52177
	* builtins.c (fold_builtin_atomic_always_lock_free,
	expand_builtin_atomic_always_lock_free,
	fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
	Return and/or test boolean_true_node/boolean_false_node instead of
	integer_one_node/integer_zero_node.

2012-02-10  Jan Hubicka  <jh@suse.cz>

	PR middle-end/48600
	* predict.c (predict_paths_for_bb): Prevent looping.
	(predict_paths_leading_to_edge, predict_paths_leading_to): Update.

2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>

	* config/arm/arm.c (output_move_double): In one case properly
	count number of instructions that will be emitted.

2012-02-10  Richard Guenther  <rguenther@suse.de>

	PR translation/52193
	* cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.

2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/52140
	* dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.

2012-02-09  Jakub Jelinek  <jakub@redhat.com>

	PR debug/52165
	* var-tracking.c (emit_note_insn_var_location): If
	EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
	emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
	non-NOTE_DURING_CALL_P insn.

2012-02-09  Bin Cheng  <bin.cheng@arm.com>

	PR middle-end/51867
	* builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.

2012-02-08  Magnus Granberg  <zorry@gentoo.org>

	PR driver/48524
	* gcc.c (switch_matches) Support switches with separated form,
	-D and -U.

2012-02-08  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (SREG_ADDR): Remove constant definition.
	(SP_ADDR): Ditto.
	(RAMPZ_ADDR): Ditto.
	* config/avr/avr.c (avr_addr_t): New typedef.
	(avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
	(avr_init_expanders): Initialize it.
	(expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
	SREG_ADDR.
	(expand_epilogue): Ditto.
	(avr_print_operand): Ditto.
	(avr_file_start): Ditto.
	(avr_emit_movmemhi): Ditto.

2012-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46886
	* tree-flow.h (do_while_loop_p): Declare.
	* tree-ssa-loop-ch.c (do_while_loop_p): Export.
	* tree-parloops.c (parallelize_loops): Only parallelize do-while loops.

2012-02-08  Andrew MacLeod  <amacleod@redhat.com>

	* optabs.c (expand_atomic_load): Do not assume compare_and_swap will
	always succeed for integers larger than a native word.

2012-02-08  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/52170
	* simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
	properly handle integer vector modes.

2012-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/52150
	* coverage.c: Include target.h.
	(build_var): Call targetm.strip_name_encoding on the assembler name.
	Change one _ into . or $ if the target allows it.
	* Makefile.in (coverage.o): Depend on $(TARGET_H).

	PR rtl-optimization/52139
	* cfgrtl.c (cfg_layout_merge_blocks): If BB_END
	is a BARRIER after emit_insn_after_noloc, move BB_END
	to the last non-BARRIER insn before it.

2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/24306
	* config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
	(mips_gimplify_va_arg_expr): Call it instead of
	std_gimplify_va_arg_expr.

2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
	message for -mno-pointers-to-nested-function.

2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/51994
	* expr.c (get_inner_reference): If there is an offset, add a negative
	bit position to it (if any).

2012-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52060
	* combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
	copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
	before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
	and/or i0src_copy2 when needed.

2012-02-07  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (main): Don't look for lto-wrapper or lto-wrapper
	or LTOPLUGINSONAME if have_c.

	* config/freebsd-spec.h: Add comment about what macros can be defined
	in this header.
	(LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
	* config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
	here instead.

2012-02-07  Richard Guenther  <rguenther@suse.de>

	* gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
	newline in -alias dumps.

2012-02-07  Kai Tietz  <ktietz@redhat.com>
	    Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/40068
	* config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
	Take care that typinfo gets dllexport-attribute.

2012-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52074
	* expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
	if modifier < EXPAND_SUM call force_operand on the result.

2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
	adding __forwarder_dst__ prefix if a forwarder_section attribute is
	present.
	(epiphany_function_type): Replace types for specific interrupts with
	EPIPHANY_FUNCTION_INTERRUPT.
	(EPIPHANY_INTERRUPT_P): Update.
	* config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
	New static function.
	(epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
	<disinterrupt>: Affects type identity.
	(epiphany_handle_interrupt_attribute): Handle variable number of
	arguments.
	(epiphany_compute_function_type): Update for new
	epiphany_function_type definition.
	(epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
	handlers with a longcall forwarder.
	(epiphany_start_function): Handle multiple interrupt arguments and/or
	forwarder_section attribute.

	* config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
	libgloss.

2012-02-07  Alan Modra  <amodra@gmail.com>

	PR target/52107
	* config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
	subregs of TFmode.

2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/50969
	* tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
	use vec_perm rather than vector_stmt.
	(vect_model_load_cost): Likewise.
	* config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
	vec_perm to be the same as other vector statements.
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
	cost of vec_perm for TARGET_VSX.

2012-02-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52115
	* tree-sra.c (access_has_replacements_p): New function.
	(sra_modify_assign): Use it to decide whether a use is uninitialized.

2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/52047
	* trans-mem.c (expand_call_tm): Add an assertion.
	* calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
	functions.

2012-02-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50955
	* tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
	raise cost of expressions that replace an address with an
	expression based on a different pointer.

2012-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/52129
	* calls.c (mem_overlaps_already_clobbered_arg_p): If val is
	CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.

2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR c++/48680
	* doc/invoke.texi (C++ Dialect Options): Use @option markup for
	-Weffc++ and specify guidelines come from second edition.

2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (sibcall_internal, sibcall_value_internal)
	(sibcall_value_multiple_internal, call_split, call_internal_direct)
	(call_direct_split, call_value_split, call_value_internal_direct)
	(call_value_direct_split, call_value_multiple_split): Use jal and
	jal_macro attributes.

2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>

	* reload1.c (reload_regs_reach_end_p): Replace with...
	(reload_reg_rtx_reaches_end_p): ...this function.
	(new_spill_reg_store): Update commentary.
	(emit_input_reload_insns): Don't clear new_spill_reg_store here.
	(emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
	before setting new_spill_reg_store.
	(emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
	Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
	Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
	for non-spill reload registers.

2012-02-05  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/52091
	* tree-vectorizer.h (vect_is_simple_use): Add an argument.
	(vect_is_simple_use_1): Likewise.
	* tree-vect-loop.c (vectorizable_reduction): Update calls
	to vect_is_simple_use_1 and vect_is_simple_use.
	(vectorizable_live_operation): Likewise.
	* tree-vect-patterns.c (widened_name_p,
	vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
	* tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
	vectorizable_call, vectorizable_conversion, vectorizable_assignment,
	vectorizable_shift,vectorizable_operation, vectorizable_store,
	vectorizable_load): Likewise.
	(vect_is_simple_cond): Add an argument, pass it to
	vect_is_simple_use_1.
	(vectorizable_condition): Update calls to vect_is_simple_cond,
	vect_is_simple_use.
	(vect_is_simple_use): Add an argument, the statement in which
	OPERAND is used.  Check that if OPERAND's def stmt is a double
	reduction phi node, the use is a phi node too.
	(vect_is_simple_use_1): Add an argument, pass it to
	vect_is_simple_use.
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
	to vect_is_simple_use.

2012-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52095
	* modulo-sched.c (dump_insn_locator): New function.
	(loop_canon_p, sms_schedule): Use it.

	PR rtl-optimization/52113
	* lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
	even for decomposable shift/zext insns.

2012-02-03  Jakub Jelinek  <jakub@redhat.com>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR rtl-optimization/52092
	* loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
	on get_iv_value result.

2012-02-02  Andrew Pinski  <apinski@cavium.com>

	PR middle-end/47982
	PR middle-end/43967
	* doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.

2012-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48071
	* diagnostic.c (diagnostic_finish): Remove trailing newlines.

2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/49800
	* haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
	(sched_finish): Call regstat_free_n_sets_and_refs.

2012-02-02  Jia Liu  <proljc@gmail.com>

	* config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
	than operand 2.

2012-02-02 Jan Hubicka  <jh@suse.cz>
	   Tom de Vries  <tom@codesourcery.com>

	PR middle-end/51998
	* cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
	* varpool.c (varpool_analyze_pending_decls): Likewise.

2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
	    Jayant R Sonar <jayant.sonar@kpitcummins.com>

	* config.gcc: Add cr16-* support.

	* doc/extend.texi: Document cr16 extensions.
	* doc/install.texi: Document cr16 install.
	* doc/invoke.texi: Document cr16 options.
	* doc/md.texi: Document cr16 constraints.

	* common/config/cr16/cr16-common.c: New file.
	* config/cr16/cr16.c: New file.
	* config/cr16/cr16.h: New file.
	* config/cr16/cr16.md: New file.
	* config/cr16/cr16.opt: New file.
	* config/cr16/cr16-protos.h: New file.
	* config/cr16/predicates.md: New file.
	* config/cr16/constraints.md: New file.
	* config/cr16/t-cr16: New file.

2012-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR target/52086
	* config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
	that operands[2] is either immediate, or q_regs_operand.

	PR tree-optimization/52073
	* tree-vect-stmts.c (vect_mark_relevant): When checking uses of
	a pattern stmt for pattern uses, ignore uses outside of the loop.

2012-02-01  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c: Resolve all AS1 and AS2 macros.
	* config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
	(OUT_AS1, OUT_AS2): Remove.

2012-02-01  Georg-Johann Lay  <avr@gjlay.de>

	PR rtl-optimization/51374
	* combine.c (can_combine_p): Don't allow volatile_refs_p insns
	to cross other volatile_refs_p insns.

2012-02-01  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (fno-inline): Clarify documentation.
	(finline-small-functions): Likewise.
	(finline-functions): Likewise.
	* common.opt (finline): Adjust comment and documentation.
	(finline-small-functions): Clarify documentation.
	(finline-functions): Likewise.
	(finline-functions-called-once): Likewise.

2012-02-01  Tristan Gingold  <gingold@adacore.com>

	* c-typeck.c (composite_type): Keep mode for pointers.

2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>

	* function.h (regno_reg_rtx): Adjust comment.
	* reginfo.c (init_reg_modes_target): Only use the previous mode
	if it fits within one register.  Remove MIPS comment.

2012-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/52058
	* combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.

2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
	to srak instruction.

2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.

2012-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/52041
	PR bootstrap/52039
	PR target/51974
	* ipa-prop.c (detect_type_change_1): Call ao_ref_init.

2012-01-31  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51528
	* tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
	assigns.

2012-01-31  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/52041
	PR bootstrap/52039
	PR target/51974
	* ree.c (add_removable_extension): Change def_map argument
	to unsigned *, store in def_map 1 + offset into *insn_list vector
	instead of pointers into the vector.
	(find_removable_extensions): Adjust caller.

2012-01-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Resolve all AS1 and AS2 macros.
	Transform all "* quoted-c-code" to { c-code }.
	Remove redundant test for "optimize" in combine patterns.
	Move (include "avr-dimode.md") to end of file.

2012-01-30  Bin Cheng  <bin.cheng@arm.com>

	PR target/51835
	* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
	for __aeabi_d2iz/__aeabi_d2uiz with hard-float.

2012-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52028
	* tree-loop-distribution.c (ldist_gen): Properly update
	virtual SSA form.

2012-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/52027
	* dwarf2out.c (dwarf2out_switch_text_section): Don't call
	set_cur_line_info_table if not emitting debug info.

	PR tree-optimization/52046
	* tree-vect-patterns.c (check_bool_pattern): Give up if
	a comparison could throw.

	PR debug/52048
	* tree-ssa-tail-merge.c (local_def): Ignore debug uses.

2012-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52045
	* tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
	SSA form if cfgcleanup did anything.

2012-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52045
	* ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
	before computing final todo.

2012-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51528
	* tree-sra.c (sra_modify_assign): Re-factor in preparation
	for PR51528 fix.

2012-01-30  Paolo Bonzini  <bonzini@gnu.org>

	* df-problems.c (df_kill_notes): Check that the use refers
	to the note under examination.

2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/51920
	* config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
	parameter and use short-lived pseudos.
	(vector_init_faligndata): Remove INNER_MODE parameter and use loop.
	(sparc_expand_vector_init): Const-ify local variables and adjust
	calls to above functions.

2012-01-30  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (out_movqi_mr_r): Fix length computation.

2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Make usage of "compile time" and
	"run time"/"runtime" consistent throughout the file.

2012-01-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_option_override): Default to
	full IEEE compliance mode for Go language.

2011-01-29  Tijl Coosemans  <tijl@coosemans.org>

	* config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
	(LINK_SSP_SPEC): Define.

2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/51871
	* config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
	stubs.

2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Correct hyphenation of "floating point",
	"double precision", and related terminology throughout the file.

2012-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/52006
	* config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
	arm_general_register_operand predicate for operand 2 instead of
	register_operand.

2012-01-27  Ian Lance Taylor  <iant@google.com>

	PR go/47656
	* builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
	* builtins.c (expand_builtin_init_trampoline): Add onstack
	parameter.  Change caller.
	(expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
	* tree.c (build_common_builtin_nodes): Declare
	__builtin_init_heap_trampoline.

2012-01-27  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
	tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
	* config/avr/avr.c: Ditto.
	(avr_regnames): Remove because unused.
	* config/avr/avr.md (*cpse.ne): New peephole.
	(*cpse.eq): New peephole from former cpse peepholes.

2012-01-27  Michael Eager  <eager@eagercon.com>

	* config/microblaze.c (microblaze_emit_compare): Correct
	test after pcmp instruction.

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52020
	* tree-sra.c (sra_modify_assign): Do not transform clobbers.

2012-01-27  Richard Guenther  <rguenther@suse.de>

	* ipa-pure-const.c (check_stmt): Clobbers do not make a
	function non-const/pure.

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50444
	* tree-sra.c (build_ref_for_offset): Properly adjust the
	MEM_REF type for unaligned accesses.

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50444
	* expr.c (mem_ref_refers_to_non_mem_p): New function.
	(expand_assignment): Use it.  Properly handle misaligned
	bases when expanding stores to component references.
	(expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
	refactor that case.

2012-01-27  Andrey Belevantsev  <abel@ispras.ru>

	PR middle-end/51389
	* Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
	* tree-data-ref.h (find_data_references_in_loop): Remove declaration.
	* tree-data-ref.c (find_data_references_in_loop): Make static.
	(compute_all_dependences): Change return type to bool.  Bail out
	for too many datarefs in a loop.  Move the hunk resetting the data
	dependences vector from ...
	(compute_data_dependences_for_loop): ... here.  Account for
	compute_all_dependences returning false.
	(compute_data_dependences_for_bb): Likewise.
	* params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
	* doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.

2012-01-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51959
	* expr.c (store_field): Use the alias-set of the scratch memory
	for storing to it.

2012-01-27  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/51990
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
	WITH_SIZE_EXPR.
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.

2012-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR debug/52001
	* var-tracking.c (reverse_op): Don't add any reverse operation
	if V already has any constant locations.

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Correct usage of "command line" (noun)
	vs "command-line" (adjective) throughout.

2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Language Independent Options): Move
	-Wcoverage-mismatch blurb from here....
	(Warning Options): ...to here.

2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal):
	Set rs6000_always_hint to false for 476.

2012-01-27  Matthias Klose  <doko@ubuntu.com>

	* gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
	  system root.
	* incpath.c (add_standard_paths): Likewise.

2012-01-27  Richard Henderson  <rth@redhat.com>

	* config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
	* config/m68k/sync.md (atomic_test_and_set): Rename from
	sync_test_and_setqi and adjust the operands.
	(atomic_test_and_set_1): Rename from sync_test_and_setqi_1
	and unconditionally enable.

2012-01-27  Richard Henderson  <rth@redhat.com>

	* config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
	* config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
	(ldstub): Rename from ldstubqi.
	(ldstub<I24MODE>): Remove.

2012-01-27  Richard Henderson  <rth@redhat.com>

	* target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
	* c-cppbuiltin.c (cpp_atomic_builtins): Define
	__GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
	* doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
	* doc/tm.texi: Rebuild.

2012-01-27  Richard Henderson  <rth@redhat.com>

	* optabs.c (gen_atomic_test_and_set): Remove default.
	(maybe_emit_atomic_test_and_set): Use maybe_expand_insn.

2012-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/51978
	* ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
	(combine_reaching_defs): Likewise.
	(struct re_info): Remove.
	(add_removable_extension): Remove x and data arguments,
	add insn, insn_list and def_map.  Use the arguments directly
	instead of using struct re_info.
	(find_removable_extensions): Don't call add_removable_extension
	through note_stores, instead just call it with single_set
	result if non-NULL.
	(find_and_remove_re): Pass curr_cand->expr instead of
	PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.

2012-01-26  Michael Matz  <matz@suse.de>

	PR tree-optimization/46590
	* cfgexpand.c: Revert last change (r183305).
	* gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
	regs.
	* tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
	checking for emptiness.

2012-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51895
	* expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
	non-addressable non-BLKmode base correctly.

2012-01-26  Michael Matz  <matz@suse.de>

	PR tree-optimization/48794
	* tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
	regions referenced from RESX/EH_DISPATCH.

2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.h: Make BRANCH_COST an option.
	* config/s390/s390.opt: New option -mbranch-cost.

2012-01-26  Richard Henderson  <rth@redhat.com>

	Revert 2012-01-24 change:
	* trans-mem.c (requires_barrier): Do not instrument thread local
	variables and emit save/restore for them.

2012-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51986
	* sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
	for pat == 0.

2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_small_data_pattern_1): Don't process
	ASM_OPERANDS.

2012-01-25  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49868
	Rename __pgm to __flash.
	Rename __pgm1 to __flash1.
	Rename __pgm2 to __flash2.
	Rename __pgm3 to __flash3.
	Rename __pgm4 to __flash4.
	Rename __pgm5 to __flash5.
	Rename __pgmx to __memx.
	* doc/extend.texi (AVR Named Address Spaces)
	Rename address space names as indicated above.
	* config/avr/avr.c (avr_addrspace): Ditto.

	* config/avr/avr-protos.h
	(avr_mem_pgmx_p): Rename to avr_mem_memx_p.
	(avr_mem_pgm_p): Rename to avr_mem_flash_p.
	* config/avr/predicates.md: Ditto.
	* config/avr/avr.c Ditto, and
	(avr_decl_pgmx_p): Rename to avr_decl_memx_p.
	(avr_decl_pgm_p): Rename to avr_decl_flash_p.

	* config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
	(ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
	(ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
	(ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
	(ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
	(ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
	(ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
	* config/avr/avr.c: Ditto.
	* config/avr/avr.md: Ditto.

2012-01-25  Jason Merrill  <jason@redhat.com>

	PR c++/51992
	* tree.c (find_decls_types_in_node): Walk gimple_call_fntype.

2012-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51987
	* tree-data-ref.c (get_references_in_stmt): Handle references in
	non-volatile GIMPLE_ASM.

2012-01-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
	bases are dereferenced.

2012-01-25  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/48374
	* sel-sched-ir.h (get_all_loop_exits): Check for zero successors.

2012-01-25  Andrey Belevantsev  <abel@ispras.ru>

	* tree-predcom.c (tree_predictive_commoning_loop): Bail out when
	compute_data_dependences_for_loop returns false.
	* tree-parloops.c (loop_parallel_p): Likewise.

2012-01-25  Richard Guenther  <rguenther@suse.de>

	* tree.h (get_pointer_alignment_1): Declare.
	* builtins.c (get_pointer_alignment_1): New function.
	(get_pointer_alignment): Use it.

2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR rtl-optimization/48308
	* combine.c (enum undo_kind): Add UNDO_LINKS.
	(struct undo): Add member l to other_contents and where.
	(do_SUBST_LINK): New.
	(SUBST_LINK): New.
	(try_combine): Handle LOG_LINKS for the dummy i1 case.
	(undo_all): Handle UNDO_LINKS.

2012-01-25  Richard Henderson  <rth@redhat.com>

	* optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
	mem inputs.

2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* optabs.c (gen_atomic_test_and_set): Use each argument.

2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
	(mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
	(mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
	(bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
	(mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
	TARGET_PAIRED_SINGLE_FLOAT.

2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
	(in_struct, return_val): Remove MEM documentation.
	* rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
	(MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
	(MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
	and MEM_SCALAR.
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
	* cfgexpand.c (add_alias_set_conflicts): Likewise.
	* expr.c (store_field): Likewise.
	* function.c (assign_stack_temp_for_type): Likewise.
	* ifcvt.c (noce_try_cmove_arith): Likewise.
	* reload1.c (reload): Likewise.
	* config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
	(alpha_set_memflags): Likewise.
	* config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.

2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>

	* rtl.h (true_dependence, canon_true_dependence): Remove varies
	parameter.
	* alias.c (fixed_scalar_and_varying_struct_p): Delete.
	(true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
	(true_dependence_1, true_dependence, canon_true_dependence): Remove
	varies parameter.
	* cselib.c (cselib_rtx_varies_p): Delete.
	(cselib_invalidate_mem): Update call to canon_true_dependence.
	* dse.c (record_store, check_mem_read_rtx): Likewise.
	(scan_reads_nospill): Likewise.
	* cse.c (check_dependence): Likewise.
	(cse_rtx_varies_p): Delete.
	* expr.c (safe_from_p): Update call to true_dependence.
	* ira.c (validate_equiv_mem_from_store): Likewise.
	(memref_referenced_p): Likewise.
	* postreload-gcse.c (find_mem_conflicts): Likewise.
	* sched-deps.c (sched_analyze_2): Likewise.
	* store-motion.c (load_kills_store): Likewise.
	* config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
	* gcse.c (mems_conflict_for_gcse_p): Likewise.
	(compute_transp): Update call to canon_true_dependence.

2012-01-25  Richard Henderson  <rth@redhat.com>

	* optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
	(maybe_emit_atomic_test_and_set): New.
	(expand_sync_lock_test_and_set): Use it.
	(expand_atomic_test_and_set): Likewise.
	* doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
	the implementation; clarify implementation defined details.
	* doc/md.texi (atomic_test_and_set): Document.

2012-01-25  Richard Henderson  <rth@redhat.com>

	* config/sparc/predicates.md (zero_or_v7_operand): Use match_code.

2012-01-25  Richard Henderson  <rth@redhat.com>

	PR target/51968
	* config/arm/arm.c (neon_split_vcombine): Emit deleted note
	to effect no-op split.

2012-01-24  Aldy Hernandez  <aldyh@redhat.com>

	PR lto/51698
	* builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
	(BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
	(BT_FN_VOID_PTR_INT_SIZE): New.
	(BT_FN_UINT_UINT_VAR): Remove.
	(BT_FN_UINT32_UINT32_VAR): New.
	(BT_FN_DOUBLE_VPTR): Remove.
	(BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.

	* gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
	(_ITM_changeTransactionMode): Same.
	(_ITM_memmoveRtWt): Change return type to void.
	(_ITM_memcpyRtWt): Same.
	(_ITM_memsetW): Same.
	(_ITM_RaRD): Change types to double.
	(_ITM_RD): Same.
	(_ITM_RaWD): Same.
	(_ITM_RfWD): Same.

	* builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.

2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	* trans-mem.c (requires_barrier): Do not instrument thread local
	variables and emit save/restore for them.

2012-01-24  Jason Merrill  <jason@redhat.com>

	PR c++/51812
	* cgraphunit.c (cgraph_decide_is_function_needed): Don't always
	output static aliases.

2012-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR driver/47249
	* common.opt (-pie, -shared, pie, shared): Change from Common to
	Driver.
	* gcc.c (display_help): Display help for -pie and -shared.

2012-01-24  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49868
	* doc/extend.texi (AVR Named Address Spaces): Move sample code up.
	Remove note on size/offset limitation.
	(AVR Variable Attributes): Add example how to read data located
	with progmem.  Refer to named address spaces.
	* doc/invoke.texi (AVR Options): Fix typo.

2012-01-24  Richard Guenther  <rguenther@suse.de>

	Forward-port to trunk
	2010-09-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45678
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
	op0 isn't sufficiently aligned and there is movmisalignM
	insn for mode, use it to load op0 into a temporary register.

2012-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/51957
	* target.def (const_not_ok_for_debug_p): New hook.
	* doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
	documentation.
	* doc/tm.texi: Regenerated.
	* dwarf2out.c (const_ok_for_output_1): If
	targetm.const_not_ok_for_debug_p returns true, fail.
	* config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
	function.
	(TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.

2012-01-23  Kai Tietz  <ktietz@redhat.com>

	PR target/51900
	* config/i386/predicates.md (symbolic_operand): Allow
	UNSPEC_PCREL as PIC expression for lea.
	* config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
	* config/i386/i386.c (ix86_delegitimize_address): Handle
	UNSPEC_PCREL for none-MEM, too.

2012-01-23  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem.c (ipa_tm_create_version): Set externally_visible.
	(ipa_tm_create_version_alias): Same.

2012-01-23  Uros Bizjak  <ubizjak@gmail.com>

	PR libitm/51830
	* builtin-types.def (BT_FN_UINT_UINT_VAR): New.
	* gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.

2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
	    Patrick Marlier  <patrick.marlier@gmail.com>
	    Iain Sandoe  <developer@sandoe-acoustics.co.uk>

	PR lto/51916
	* lto-wrapper.c (run_gcc): Pass the LTO section name to
	simple_object_start_read.

2012-01-23  Richard Guenther  <rguenther@suse.de>


	PR tree-optimization/51895
	* tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
	parameter decomposition into BLKmode components.

2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-structalias.c (intra_create_variable_infos): Do not create
	fake variables for restrict-qualified pointers whose pointed-to type
	contains a placeholder.

2012-01-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51949
	* ipa-split.c (execute_split_functions): Do not split malloc functions.

2012-01-23  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/51933
	* ree.c (transform_ifelse): Return true right away if dstreg is
	already wider or equal to cand->mode.
	(enum ext_modified_kind, struct ext_modified, ext_state): New types.
	(make_defs_and_copies_lists): Remove defs_list and copies_list
	arguments, add state argument, just truncate state->work_list
	instead of always allocating and freeing the vector.  Assert that
	get_defs succeeds instead of returning 2.  Changed return type to bool.
	(merge_def_and_ext): Add state argument.  If SET_DEST doesn't
	have ext_src_mode, see if it has been modified already with the
	right kind of extension and has been extended before from the
	ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
	just return true.  Remember the original mode in state->modified array.
	(combine_reaching_defs): Add state argument.  Don't allocate and
	free here def_list, copied_list and vec vectors, instead just
	VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
	(find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
	Add state variable, clear vectors in it, initialize state.modified
	if needed.  Free all the vectors at the end and state.modified too.
	Don't skip a candidate if the extension expression has been modified.

2012-01-22  Douglas B Rupp  <rupp@gnat.com>

	PR target/47096
	* config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
	 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
	(extra_options) interix.opt -> i386/interix.opt"
	(extra_objs):Add winnt-stubs.o
	* configure.ac: Add interix to target_os .comm on PE check.
	* configure: Regenerate.
	* config/interix3.h: Delete and move bits to..
	* config/interix.h: Delete and move bits to..
	* config/i386/i386-interix3.h: Delete and move bits to..
	* config/i386/i386-interix.h: ..here.
	(TARGET_CPU_DEFAULT): Remove redefinition.
	(TARGET_ASM_CONSTRUCTOR): Undefine.
	(SUBTARGET_SWITCHES): Define for ms-bitfields.
	(TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
	(PTRDIFF_TYPE): Define.
	(LONG_DOUBLE_TYPE_SIZE): Define.
	(LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
	(SUBTARGET_OVERRIDE_OPTIONS): Remove.
	(TARGET_SECTION_TYPE_FLAGS): Define.
	(ASM_DECLARE_FUNCTION_NAME): Define.
	(ASM_OUTPUT_EXTERNAL): Define.
	(ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
	(ASM_OUTPUT_ALIGNED_BSS): Define.
	(PCC_BITFIELD_TYPE_MATTERS): Define.
	(USE_CONST_SECTION): Define.
	(SUBTARGET_ENCODE_SECTION_INFO): Remove.
	(TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
	(SUPPORTS_ONE_ONLY): Remove.
	(I386_PE_STRIP_ENCODING): Define.
	* config/interix.opt: Delete and move bits to..
	* config/i386/interix.opt: ..here. New.
	(mpe-aligned-commons): Add.
	* config/i386/t-interix: Add copyright header.
	(winnt-stubs.o): Add rule.

2012-01-22  Jason Merrill  <jason@redhat.com>

	PR c++/51832
	* varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
	for extra name aliases.

2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/51924
	* ree.c (combine_set_extension): Improve debugging message.
	(combine_reaching_defs): Likewise.
	(get_defs): Rename confusingly named variable.
	(find_and_remove_re): Skip a candidate if the extension expression has
	been modified.

2012-01-21  Robert Millan  <rmh@gnu.org>
	    Gerald Pfeifer  <gerald@pfeifer.com>

	* config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
	(GNU_USER_DYNAMIC_LINKER): Adjust indentation.

2012-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51914
	* tree-vect-stmts.c (vectorizable_conversion): For
	cvt_type && modifier == WIDEN, put temporary with cvt_type
	at the beginning of vec_dsts and set vec_dest to temporary
	with vectype_out.

2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.

2011-01-20  Tijl Coosemans  <tijl@coosemans.org>

	* config/i386/i386.c: Fix checks for !TARGET_MACHO.
	* config/rs6000/rs6000.c: Likewise.

2012-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/51915
	* config/arm/arm.c (arm_count_output_move_double_insns): Call
	output_move_double on a copy of operands array.

2012-01-20  Cary Coutant  <ccoutant@google.com>
	    Dodji Seketeli  <dodji@redhat.com>

	PR debug/45682
	* dwarf2out.c (copy_declaration_context): Return ref to parent
	of declaration DIE, if necessary.
	(remove_child_or_replace_with_skeleton): Add new parameter; update
	caller.  Place skeleton DIE under parent DIE of original declaration.
	Move call to copy_declaration_context to here ...
	(break_out_comdat_types): ... from here.

2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR rtl-optimization/51856
	* reload.c (find_reloads_subreg_address): Set the address_reloaded
	flag to reloaded.

2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/51819
	* config/arm/arm.c (arm_print_operand): Correct output of alignment
	hints for neon loads and stores.

2012-01-20  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49868
	PR target/50887
	* doc/extend.texi (Named Address Spaces): Split into subsections.
	(AVR Named Address Spaces): New subsection.
	(M32C Named Address Spaces): New subsection.
	(RL78 Named Address Spaces): New subsection.
	(SPU Named Address Spaces): New subsection.
	(Variable Attributes): New anchor "AVR Variable Attributes".
	(AVR Variable Attributes): Rewrite and avoid wording
	"address space" in this context.
	* doc/invoke.texi (AVR Options): Rewrite and add documentation
	for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
	(AVR Built-in Macros): New subsubsection therein.
	* doc/md.texi (AVR constraints): Remove "C04", "R".

2012-01-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51903
	* tree-ssa-pre.c (eliminate): Properly purging of EH edges
	when removing stmts.

2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/50313
	* config/arm/arm.c (arm_load_pic_register): Use
	gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
	, gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
	(arm_pic_static_addr): Likewise.
	(arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
	(arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
	* config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
	(pic_load_addr_unified): New.

2012-01-20  Andrey Belevantsev  <abel@ispras.ru>

	PR target/51106
	* function.c (instantiate_virtual_regs_in_insn): Use
	delete_insn_and_edges when removing a wrong asm insn.

2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/40761
	* ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
	Add new member loop_num.
	(IRA_LOOP_NODE_BY_INDEX): Modify the check.
	(ira_build): Remove the parameter.

	* ira.c (ira_print_disposition): Use loop_num instead of loop->num.
	(ira.c): Do not build CFG loops for one region allocation.  Remove
	argument from ira_build call.

	* ira-build.c (init_loop_tree_node): New function.
	(create_loop_tree_nodes): Use it.  Separate the case when CFG
	loops are not built.
	(more_one_region_p): Check current_loops.
	(finish_loop_tree_nodes): Separate the case when CFG loops are not
	built.
	(add_loop_to_tree): Process loop equal to NULL too.
	(form_loop_tree): Separate the case when CFG loops are not built.
	Use explicitly number for the root.
	(rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
	an assertion.
	(ira_print_expanded_allocno, loop_compare_func): Use loop_num
	instead of loop->num.
	(mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
	(mark_all_loops_for_removal): Ditto.
	(remove_unnecessary_regions): Separate the case when CFG loops
	are not built.
	(ira_build): Remove the parameter.  Use explicit number of regions
	when CFG loops are not built.

	* ira-color.c (print_loop_title): Separate the case for the root node.
	Use loop_num instead of loop->num.
	(move_spill_restore): Use loop_num instead of loop->num.

	* ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
	(change_loop): Ditto.
	(change_loop): Use loop_num instead of loop->num.

	* ira-lives.c (process_bb_node_lives): Ditto.

	* ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.

	* ira-conflicts.c (print_allocno_conflicts): Ditto.

2012-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR libmudflap/40778
	* tree-mudflap.c (mf_artificial): New function.
	(execute_mudflap_function_ops, execute_mudflap_function_decls,
	mx_register_decls, mudflap_enqueue_decl): Use it.

	PR target/51876
	* config/arm/neon.md (*neon_vswp<mode>): Fix up operand
	numbers in the insn pattern.

2012-01-19  Michael Matz  <matz@suse.de>

	PR tree-optimization/46590
	* cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
	use it in remembering which conflicts we already created.
	(add_scope_conflicts): Adjust call to above, (de)allocate helper
	bitmap.

2012-01-19  Aldy Hernandez  <aldyh@redhat.com>

	PR lto/51280
	* lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
	(merge_and_complain): Same.

2012-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/50237
	* config/initfini-array.h: Guard content of the header
	with #ifdef HAVE_INITFINI_ARRAY.
	* configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
	Add initfini-array.h to tm_file here.
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
	* config.gcc: Don't add initfini-array.h to tm_file here.
	* configure: Regenerated.

2012-01-19  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/51505
	* df-problems.c (df_kill_notes): New parameter live. Update comment.
	Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
	(df_note_bb_compute): Update the call to df_kill_notes.

2012-01-18  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem.c (requires_barrier): Remove call to is_global_var.

2012-01-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (useless_type_conversion_p): Remove special-casing
	of conversions to void *.

2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/50325
	PR middle-end/51192
	* optabs.h (simplify_expand_binop): Declare.
	* optabs.c (simplify_expand_binop): Make global.
	* expmed.c (store_bit_field_1): Use simplify_expand_binop on big
	endian targets if the source cannot be exactly covered by word
	mode chunks.

2012-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51872
	* hard-reg-set.h (struct hard_reg_set_container): New type.
	* target.h (struct hard_reg_set_container): Forward declare.
	* target.def (set_up_by_prologue): New target hook.
	* doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
	* doc/tm.texi: Regenerated.
	* function.c (thread_prologue_and_epilogue_insns): Change
	set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
	Call targetm.set_up_by_prologue on it.
	* config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
	(TARGET_SET_UP_BY_PROLOGUE): Redefine to it.

2012-01-17  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_can_use_simple_return): New function.
	* config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
	* config/rx/rx.md (return): Predicate on rx_can_use_simple_return.

2012-01-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51782
	* expr.c (expand_assignment): Take address-space information
	from the address operand of MEM_REF and TARGET_MEM_REF.
	(expand_expr_real_1): Likewise.

2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* ira.c (do_reload): Make sure ira_dump_file is re-set if no
	reload dump is requested.

2012-01-17  Aldy Hernandez  <aldyh@redhat.com>

	PR other/51165
	* trans-mem.c (requires_barrier): Call may_be_aliased.

2012-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51877
	* tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
	call arguments and fndecls compare equal, instead return false if they
	don't.  Return true only if lhs1 and lhs2 are either both NULL, or
	both SSA_NAMEs that are valueized the same, or they satisfy
	operand_equal_p.

2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
	Solaris 11+.
	* configure: Regenerate.

2012-01-16  Jan Hubicka  <jh@suse.cz>

	PR c/12245
	PR c++/14179
	* convert.c (convert_to_integer): Use fold_convert for
	converting an INTEGER_CST to integer type.

2012-01-16  Jason Merrill  <jason@redhat.com>

	PR c++/14179
	* vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.

2012-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51860
	* config/s390/s390.c (s390_chunkify_start): Don't skip
	call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
	NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
	If insn is followed by NOTE_INSN_VAR_LOCATION or
	NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
	Don't use location of note insns.

	PR tree-optimization/51865
	* tree-inline.c (tree_function_versioning): Call remap_decl
	on DECL_RESULT whenever it has VOID_TYPE_P type.

2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips16_build_call_stub): Don't use a stub
	for calls to locally-binding MIPS16 functions if only the return
	type uses float regs.

2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
	(SYMBOL_32_HIGH): Likewise.
	(mips_output_tls_reloc_directive): Declare.
	* config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
	(mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
	* config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
	(mips_lo_relocs, mips_hi_relocs): Make extern.
	(mips16_stub_function): Move up file.
	(mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
	(mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
	(mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
	(mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
	SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
	(mips_get_tp): Add MIPS16 support.
	(mips_legitimize_tls_address): Remove MIPS16 sorry().
	Generalize DTPREL and TPREL handling.
	(mips_init_relocs): Initialize mips_use_pcrel_pool_p.
	Add MIPS16 TLS support.
	(mips_output_tls_reloc_directive): New function.
	(mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
	* config/mips/predicates.md (symbolic_operand_with_high)
	(tls_reloc_operand): New predicates.
	(force_to_mem_operand): Use mips_use_pcrel_pool_p.
	* config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
	(PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
	(*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
	(consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
	(*tls_get_tp_mips16_call_<mode>): Likewise.

2012-01-15  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/51821
	* recog.c (peep2_find_free_register): Determine clobbered registers
	from insn pattern.

2012-01-14  Denis Chertykov  <chertykov@gmail.com>

	PR target/50925
	* config/avr/avr-protos.h: Revert change of 2012-01-09.
	* config/avr/avr.c: Likewise.
	* config/avr/avr.h: Likewise.

2012-01-13  Ian Lance Taylor  <iant@google.com>

	PR c++/50012
	* tree.h (TYPE_QUALS): Add cast to int.
	(TYPE_QUALS_NO_ADDR_SPACE): Likewise.

2012-01-13  Ian Lance Taylor  <iant@google.com>

	* ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
	comparing param_index to VEC_length result.

2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>

	* c-decl.c: Do not include tree-mudflap.h
	* tree-optimize.c: Likewise.
	* Makefile.in: Update dependencies.

2012-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/8081
	* gimplify.c (gimplify_modify_expr_rhs): For calls with a
	variable-sized result always use RSO.

2012-01-12  DJ Delorie  <dj@redhat.com>

	* cfgexpand.c (convert_debug_memory_address): Allow any valid
	pointer type, not just the default pointer type.

2012-01-09  Richard Henderson  <rth@redhat.com>
	    Denis Chertykov  <chertykov@gmail.com>

	PR target/50925
	* config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
	* config/avr/avr.c (avr_can_eliminate): Simplify.
	(avr_initial_elimination_offset): Likewise.
	(avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
	(expand_epilogue): Likewise.
	(avr_legitimize_address): Gut.
	(avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
	(avr_hard_regno_nregs): New.
	(avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
	(avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
	* config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
	add soft frame pointer.
	(CALL_USED_REGISTERS): Likewise.
	(REG_CLASS_CONTENTS): Likewise.
	(REGISTER_NAMES): Likewise.
	(HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
	(HARD_FRAME_POINTER_REGNUM): New.
	(FRAME_POINTER_REGNUM): Use soft frame pointer.
	(ELIMINABLE_REGS): Eliminate from the soft frame pointer,
	remove the HARD_FRAME_POINTER self-elimination.

2012-01-12  Georg-Johann Lay  <avr@gjlay.de>

	PR target/51756
	* config/avr/avr.c (avr_encode_section_info): Test for absence of
	DECL_EXTERNAL when checking for initializers of progmem variables.

2012-01-12  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/51799
	* tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
	that the last operation is a type demotion.

2012-01-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
	(x86_shift<mode>_adj_1): Remove operand constraint from operand 3.

2012-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51796
	* combine.c (distribute_notes): If i3 is a noreturn call,
	allow old_size to be equal to args_size and make sure the
	noreturn call gets REG_ARGS_SIZE note.
	* expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
	on noreturn calls even when the delta is 0.

2012-01-11  Nathan Sidwell  <nathan@acm.org>

	* gcov.c (STRING_SIZE): Remove.
	(generate_results): Erase annotations for source files with no
	coverage information.
	(read_line): New.
	(output_lines): Use it.

2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple.h (gimplify_body): Remove first argument.
	* gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
	pointer set here, instead just pass DATA to walk_tree.
	(unshare_body): Remove BODY_P argument and adjust.  Create the pointer
	set here and invoke copy_if_shared on the size trees of DECL_RESULT.
	(unvisit_body): Likewise, but with unmark_visited.
	(gimplify_body): Remove BODY_P argument and adjust.
	(gimplify_function_tree): Adjust call to gimplify_body.
	* omp-low.c (finalize_task_copyfn): Likewise.

2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (build_function_decl_skip_args): Add boolean parameter.
	(build_function_type_skip_args): Delete.
	* tree.c (build_function_type_skip_args): Make static and add
	SKIP_RETURN parameter.  Fix thinko in the handling of variants.
	(build_function_decl_skip_args): Add SKIP_RETURN parameter and
	pass it to build_function_type_skip_args.
	* cgraph.h (cgraph_function_versioning): Add boolean parameter.
	(tree_function_versioning): Likewise.
	* cgraph.c (cgraph_create_virtual_clone): Adjust call to
	build_function_decl_skip_args.
	* cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
	and pass it to build_function_decl_skip_args/tree_function_versioning.
	(cgraph_materialize_clone): Adjust call to tree_function_versioning.
	* ipa-inline-transform.c (save_inline_function_body): Likewise.
	* trans-mem.c (ipa_tm_create_version): Likewise.
	* tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
	* tree-inline.c (declare_return_variable): Remove always-true test.
	(tree_function_versioning): Add SKIP_RETURN parameter.  If the function
	returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
	* ipa-split.c (split_function): Skip the return value for the split
	part if it doesn't return.

2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/49642
	* ipa-split.c (forbidden_dominators): New variable.
	(check_forbidden_calls): New function.
	(dominated_by_forbidden): Likewise.
	(consider_split): Check for forbidden dominators.
	(execute_split_functions): Initialize and free forbidden
	dominators info; call check_forbidden_calls.

2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/arm.md (mov_notscc): Use MVN for false condition.

2012-01-11  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (return): Define pattern.

2012-01-11  Richard Guenther  <rguenther@suse.de>

	* doc/extend.texi (malloc attribute): Adjust according to
	implementation.

2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/51516
	* trans-mem.c (get_cg_data): Traverse aliases if requested.
	(ipa_tm_scan_calls_block): Update parameters to get_cg_data.
	(ipa_tm_note_irrevocable): Same.
	(ipa_tm_scan_irr_block): Same.
	(ipa_tm_decrement_clone_counts): Same.
	(ipa_tm_scan_irr_function): Same.
	(ipa_tm_create_version_alias): Same.
	(ipa_tm_create_version): Same.
	(ipa_tm_transform_calls_redirect): Same.
	(ipa_tm_transform_calls): Same.
	(ipa_tm_transform_transaction): Same.
	(ipa_tm_execute): Same.

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51806
	* opts.c (common_handle_option): Handle -Werror.

2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>

	* config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
	operand number.

2012-01-10  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
	information.

2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
	supports R_386_TLS_GD_PLT reloc.
	(gcc_cv_as_ix86_tlsldmplt): Check if linker
	supports R_386_TLS_LDM_PLT reloc.
	* configure: Regenerate.
	* config.in: Regenerate.

2012-01-10  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49868
	Extend __pgmx semantics to linearize memory.
	* config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
	determine if code comes inline or from libgcc.
	(MOVMEM_r_d:HI): Add "w" to constraint for better preference.
	(movmem_qi, movmem_qi): Set constraint #2 to "n".
	(movmem_qi_elpm, movmem_hi_elpm): Remove insns.
	(movmemx_qi, movmemx_hi): New insns.
	(xload_<mode>_libgcc): Rewrite to new insn condition.
	(xload_<mode>): Remove insns.
	* config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
	cases that don't satisfy avr_xload_libgcc_p().
	(avr_addr_space_convert): Allow converting in any direction.
	(avr_addr_space_subset_p): Return always true.
	(avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
	(avr_emit_movmemhi): Ditto.
	(avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
	(avr_out_movmem): Ditto.
	(AVR_SYMBOL_FLAG_PROGMEM): New macro.
	(AVR_SYMBOL_SET_ADDR_SPACE): New macro.
	(AVR_SYMBOL_GET_ADDR_SPACE): New macro.
	(avr_encode_section_info): Encode 'progmem' in symbol flags.
	(output_reload_in_const): Don't zero-extend any 24-bit symbols.

2012-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50913
	* graphite-scop-detection.c (stmt_has_simple_data_refs_p):
	Require data-refs to be representable by Graphite with respect
	to any loop nest.

2012-01-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/constraints.md ("L"): Return true for 0xffffffff.
	* config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.

2012-01-10  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/51271
	* dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
	handling annulled branch.

2012-01-10  Richard Henderson  <rth@redhat.com>

	* config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
	TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
	struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
	arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
	arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
	arm_expand_vec_perm_const): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/neon.md (UNSPEC_VCONCAT): New.
	(*neon_vswp<VDQX>): New.
	(neon_vcombine<VDX>): Use neon_split_vcombine.
	(neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
	* config/arm/vec-common.md (vec_perm_const<VALL>): New.
	(vec_perm<VE>): New.

2012-01-10  Richard Henderson  <rth@redhat.com>

	* config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
	use it if reload_completed.
	(arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
	arm_output_asm_insn, arm_process_output_memory_barrier,
	arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
	arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
	arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
	arm_process_output_sync_insn, arm_output_sync_insn,
	arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
	(arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
	(arm_emit_load_exclusive, arm_emit_store_exclusive): New.
	(emit_unlikely_jump): New.
	(arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
	(arm_split_atomic_op): New.
	* config/arm/arm-protos.h: Update.
	* config/arm/arm.h (enum arm_sync_generator_tag): Remove.
	(struct arm_sync_generator): Remove.
	* config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
	VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
	(VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
	(VUNSPEC_LL, VUNSPEC_SC): New.
	(sync_result, sync_memory, sync_required_value, sync_new_value,
	sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
	(attr length): Don't use arm_sync_loop_insns.
	(cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
	(movsfcc, movdfcc): Likewise.
	* config/arm/constraints.md (Ua): New.
	* config/arm/prediates.md (mem_noofs_operand): New.
	(sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
	(sync_clobber, sync_t2_reqd): Remove.
	(sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
	(sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
	(sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
	(arm_sync_compare_and_swap<SIDI>): Remove.
	(arm_sync_compare_and_swap<NARROW>): Remove.
	(arm_sync_lock_test_and_set<SIDI>): Remove.
	(arm_sync_lock_test_and_set<NARROW>): Remove.
	(arm_sync_new_<syncop><SIDI>): Remove.
	(arm_sync_new_<syncop><NARROW>): Remove.
	(arm_sync_new_nand<SIDI>): Remove.
	(arm_sync_new_nand<NARROW>): Remove.
	(arm_sync_old_<syncop><SIDI>): Remove.
	(arm_sync_old_<syncop><NARROW>): Remove.
	(arm_sync_old_nand<SIDI>): Remove.
	(arm_sync_old_nand<NARROW>): Remove.
	(*memory_barrier): Merge arm_output_memory_barrier.
	(atomic_compare_and_swap<QHSD>): New.
	(atomic_compare_and_swap<NARROW>_1): New.
	(atomic_compare_and_swap<SIDI>_1): New.
	(atomic_exchange<QHSD>): New.
	(cas_cmp_operand, cas_cmp_str): New.
	(atomic_op_operand, atomic_op_str): New.
	(atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
	(atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
	(atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
	(arm_load_exclusive<NARROW>): New.
	(arm_load_exclusivesi, arm_load_exclusivedi): New.
	(arm_store_exclusive<QHSD>): New.

2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
	reload patterns if -mvsx-scalar-memory.

	* config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
	generated, even -mno-vsx-scalar-double was used.
	(vsx_xscvdpsp_scalar): Likewise.
	(vsx_xscvspdp_scalar2): Likewise.

2012-01-09  Tom de Vries  <tom@codesourcery.com>
	    Andrew Pinski  <apinski@cavium.com>

	PR debug/51471
	* reorg.c (fill_slots_from_thread): Don't speculate
	frame-related insns.

2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>

	* sched-int.h (bb_note): Move to...
	* basic-block.h: ...here.
	* haifa-sched.c (bb_note): Move to...
	* cfgrtl.c: ...here.
	* function.c (next_block_for_reg): New function.
	(move_insn_for_shrink_wrap): Likewise.
	(prepare_shrink_wrap): Rewrite to use the above.

2012-01-09  Aldy Hernandez  <aldyh@redhat.com>

	* gimple.c (is_gimple_non_addressable): Remove.
	* gimple.h: Remove is_gimple_non_addressable.
	* gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
	is_gimple_non_addressable.
	* trans-mem.c (expand_assign_tm): Same.

2012-01-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51775
	* tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
	* tree-ssa-pre.c (eliminate): Properly fixup EH info.

2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
	tuning parameters.
	* config/arm/arm.c (arm_cortex_a15_tune): New static variable.

2012-01-09  Richard Guenther  <rguenther@suse.de>

	* tree-streamer-out.c (write_ts_optimization): Fix spelling.

2012-01-08  Jan Hubicka  <jh@suse.cz>

	PR tree-optimize/51680
	* ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
	on when known_vals needs to be computed; cleanup.

2012-01-08  Jan Hubicka  <jh@suse.cz>

	PR tree-optimize/51694
	* ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.

2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
	for -std=c++98 and -std=c++11 too.

2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>

	* cfgloop.c (cancel_loop): Add free() of bbs array.

2012-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/51600
	* ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
	that benefits small functions.

2012-01-07  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (want_inline_small_function_p): Fix formating.

2012-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/51680
	* ipa-inline.c (want_inline_small_function_p): Be more lax on functions
	whose inlining reduce unit size.

2012-01-07  Alexandre Oliva  <aoliva@redhat.com>

	PR bootstrap/51725
	* cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
	Add canonical node to containing_mem chain after the non-canonical
	one, even if there weren't any locs to propagate.
	(remove_useless_values): Keep only canonical values.
	(add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
	(cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
	canonicalize mem_chain elements that are not discarded.

2012-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/47333
	* cgraphunit.c (cgraph_optimize): Call output_weakrefs
	before emitting functions.

	PR gcov-profile/50127
	* bb-reorder.c (partition_hot_cold_basic_blocks): Call
	clear_aux_for_blocks.

2012-01-06  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/51746
	* cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.

2012-01-06  Arnaud Charlet  <charlet@adacore.com>

	* c-decl.c (ext_block): Moved up.
	(collect_all_refs, for_each_global_decl): Take ext_block into account.

2012-01-06  Han Shen  <shenhan@google.com>

	Translate built-in include paths for sysroot.
	* Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
	(PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.

	* cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
	GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.

	* configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
	control whether sysroot should be prepended to gxx include dir.

	* configure: Regenerate.

2012-01-06  Torvald Riegel  <triegel@redhat.com>

	PR rtl-optimization/51771
	* builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
	* gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.

2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/51315
	* tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
	(build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.

2012-01-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/51681
	* config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
	for shrp pattern.  Correctly handle and fixup shift variable.
	Return false when shift > nelt for BYTES_BIG_ENDIAN target.

2012-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/51762
	* calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
	note when !ACCUMULATE_OUTGOING_ARGS.

2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
	condition.
	(extract_range_from_unary_expr_1): Avoid useless computations.

2012-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/51767
	* cfgrtl.c (force_nonfallthru_and_redirect): Force addition
	of jump_block and add an extra edge for degenerated asm gotos.

	PR middle-end/51768
	* stmt.c (check_unique_operand_names): Don't ICE during error
	reporting if i is from labels chain.

	PR middle-end/44777
	* profile.c (branch_prob): Split bbs that have exit edge
	and need a fake entry edge too.

2012-01-05  Jan Hubicka  <jh@suse.cz>

	PR middle-end/49710
	* cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
	unlooping loops.

2012-01-05  Richard Guenther  <rguenther@suse.de>

	PR lto/50490
	* tree-streamer-out.c (write_ts_optimization): New function.
	(streamer_write_tree_body): Call it.
	* tree-streamer-in.c (lto_input_ts_optimization): New function.
	(streamer_read_tree_body): Call it.
	* lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.

2012-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51761
	* gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
	* gimplify.c (gimplify_cleanup_point_expr): Save and set
	in_cleanup_point_expr before gimplify_stmt call and restore it
	afterwards.
	(gimplify_target_expr): Don't add {CLOBBER} cleanup if
	in_cleanup_point_expr is false.

2012-01-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51764
	* common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
	to c.opt.
	* toplev.c (process_options): Reject combining mudflap and LTO.
	* tree-nomudflap.c (nogo): Use sorry instead of internal_error.

2012-01-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51760
	* tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
	not VARYING.
	(bit_value_unop): Handle UNDEFINED operands.
	(bit_value_binop): Likewise.

2012-01-05  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_replace_prefix): Remove.
	(avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
	(avr_asm_function_rodata_section): Ditto.
	(avr_asm_select_section): Ditto.

2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
	insertion.

2012-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51648
	* tree-cfg.c (need_fake_edge_p): Return true also for noreturn
	calls that have any non-fake successor edges.

	PR debug/51746
	* var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.

2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/51624
	* tree-sra.c (build_ref_for_model): When replicating a chain of
	COMPONENT_REFs, stop as soon as the offset would become negative.

2012-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR debug/51695
	* dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
	in .debug_loc on the floor.

2012-01-04  Andrew Pinski  <apinski@cavium.com>

	* doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.

2012-01-04  Andrew Pinski  <apinski@cavium.com>
	    Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (size): Add SI and DI.
	(SIZE): New mode attribute.
	(U): New code attribute.
	* config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
	(mips_lbux_<mode>): Delete.
	(mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
	(mips_lhx): Use gen_mips_lhx_extsi.
	(mips_lhx_<mode>): Delete.
	(mips_lwx): Delete.
	(mips_l<size>x): New expand.
	(mips_lwx_<mode>): Delete.
	(mips_l<GPR:size>x_<P:mode>): New pattern.
	(*mips_lw<u>x_<P:mode>_ext): Likewise.
	* config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
	* config/mips/mips.c (mips_lx_address_p): New function.
	(mips_rtx_costs <case MEM>): Call mips_lx_address_p.
	(dsp64): New availability predicate.
	(mips_builtins): Add an entry for __builtin_mips_ldx.
	* config/mips/mips.h (ISA_HAS_LBX): New define.
	(ISA_HAS_LBUX): Likewise.
	(ISA_HAS_LHX): Likewise.
	(ISA_HAS_LHUX): Likewise.
	(ISA_HAS_LWX): Likewise.
	(ISA_HAS_LWUX): Likewise.
	(ISA_HAS_LDX): Likewise.
	* doc/extend.texi (__builtin_mips_ldx): Document.

2012-01-04  Tristan Gingold  <gingold@adacore.com>

	* config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
	when long pointers are used.
	* config.build (*-*-*vms*): Handle all OpenVMS targets.
	(alpha64-dec-*vms*, alpha*-dec-*vms*)
	(ia64-hp-*vms*): Remove.
	* config/vms/xm-vms64.h: Delete.

2012-01-04  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/51472
	* trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.

2012-01-04  Aldy Hernandez  <aldyh@redhat.com>

	* opts.c (finish_options): Remove duplicate sorry.

2012-01-04  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/51696
	* trans-mem.c (diagnose_tm_1): Display indirect calls with no name
	correctly.

2012-01-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51750
	* tree.c (size_low_cst): New function.
	* tree.h (size_low_cst): Declare.
	* fold-const.c (fold_comparison): Use it to extract the low
	part of the POINTER_PLUS_EXPR offset.

2012-01-04  Georg-Johann Lay  <avr@gjlay.de>

	Fix clearing ZERO_REG
	* config/avr/avr.md (cc): Add alternative "ldi".
	(movqi_insn): Use it in cc attribute.
	* config/avr/avr.c (notice_update_cc): Handle CC_LDI.
	(output_reload_in_const): Use CLR to move 0 to ZERO_REG.
	(output_reload_insisf): Use ZERO_REG to pre-clear register.

2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* configure: Regenerate.

2012-01-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49651
	* tree-ssa-structalias.c (type_can_have_subvars): New function.
	(var_can_have_subvars): Use it.
	(get_constraint_for_1): Only consider subfields if there can be any.

2012-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51725
	* cselib.c (new_elt_loc_list): When moving locs from one cselib_val
	to its new canonical_cselib_val and the cselib_val was in
	first_containing_mem chain, but the canonical_cselib_val was not,
	add the latter into the chain.
	(cselib_invalidate_mem): Compare canonical_cselib_val of
	addr_list chain elt with v.

	PR pch/51722
	* dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
	dwarf2out_undef): Allocate e.info using ggc_strdup instead
	of xstrdup.
	(output_macinfo_op): Don't ggc_strdup fd->filename.
	(optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
	then ggc_strdup it.  Don't free inc->info or cur->info.
	(output_macinfo): Don't free ref->info or file->info.

2012-01-03  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/51269
	* tree-vect-loop-manip.c (set_prologue_iterations): Make
	first_niters a pointer.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_do_peeling_for_loop_bound): Update call to
	slpeel_tree_peel_loop_to_edge.
	(vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
	here.  Remove it from the parameters list.
	(vect_do_peeling_for_alignment): Update calls and compute
	wide_prolog_niters.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51070
	* tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
	Properly handle calls.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51692
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
	the LHS of allocation stmts.

2012-01-03  Olivier Hainque  <hainque@adacore.com>

	* system.h: Prior to #define, #undef fopen and freopen unconditionally.

2012-01-03  Olivier Hainque  <hainque@adacore.com>

	* collect2.c (main): In AIX specific computations for vector
	insertions, use CONST_CAST2 to cast from char ** to const char **.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR debug/51650
	* dwarf2out.c (dwarf2out_finish): Always create a DIE for
	the context of a limbo DIE when it does not already exist.

2012-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51719
	* value-prof.c (gimple_ic): When indirect call isn't noreturn,
	but direct call is, clear direct call's lhs and don't add fallthrough
	edge from dcall_bb to join_bb and PHIs.

2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
	the instructions emitted by the pattern.
	("*TDC_insn_<mode>"): Add comment.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/51730
	* fold-const.c (fold_comparison): Properly canonicalize
	tree offset and HOST_WIDE_INT bit position.

2012-01-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
	operands for extzv pattern.

2012-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/51725
	* cselib.c (add_mem_for_addr): Call canonical_cselib_val
	on mem_elt first.

2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (-flto and related options): Copy-edit.

2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.

2012-01-02  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
	New patterns.

2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* expr.h (move_by_pieces_ninsns): Declare.
	* expr.c (move_by_pieces_ninsns): Make external.
	* config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
	(mips_store_by_pieces_p): Likewise.
	* config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
	(STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
	* config/mips/mips.c (mips_move_by_pieces_p): New function.
	(mips_store_by_pieces_p): Likewise.

2012-01-02  Jakub Jelinek  <jakub@redhat.com>

	* passes.c (register_one_dump_file): Free full_name.

	* reload1.c (reload): Don't allocate reg_max_ref_width here.
	(calculate_elim_costs_all_insns): Free offsets_at and
	offsets_known_at at the end and clear the pointers.

2012-01-02  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.opt (-mbranch-cost): Fix double definition of
	this option introduced in r180739.

2012-01-02  Georg-Johann Lay  <avr@gjlay.de>

	PR target/51345
	* config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
	(tmake_file target=avr): Add avr/t-multilib.

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
	to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
	* config/avr/genmultilib.awk: New file.
	* config/avr/t-multilib: New auto-generated file.
	* config/avr/multilib.h: New auto-generated file.
	* config/avr/t-avr (AVR_MCUS): New variable.
	(genopt.sh): Use it.
	(s-mlib): Depend on t-multilib.
	(t-multilib, multilib.h): New dependencies.
	(s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
	(MULTILIB_OPTIONS): Remove.
	(MULTILIB_MATCHES): Remove.
	(MULTILIB_DIRNAMES): Remove.
	(MULTILIB_EXCEPTIONS): Remove:
	* config/avr/genopt.sh: Don't use hard coded file name;
	pass AVR_MCUS from t-avr instead.

2012-01-02  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".

2012-01-02  Georg-Johann Lay  <avr@gjlay.de>

	Implement light-weight DImode support.
	* config/avr/avr-dimode.md: New file.
	* config/avr/avr.md: Include it.
	(adjust_len): Add plus64, compare64.
	(HIDI): Remove code iterator.
	(code_stdname): New code attribute.
	(rotx, rotsmode): Remove DI.
	(rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
	as code iterator.
	* config/avr/avr-protos.h (avr_have_dimode): New.
	(avr_out_plus64, avr_out_compare64): New.
	* config/avr/avr.c (avr_out_compare): Handle DImode.
	(avr_have_dimode): New variable definition and initialization.
	(avr_out_compare64, avr_out_plus64): New functions.
	(avr_out_plus_1): Use simplify_unary_operation to negate xval.
	(adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
	(avr_compare_pattern): Skip DImode comparisons.

2012-01-02  Revital Eres  <revital.eres@linaro.org>

	* ddg.c (def_has_ccmode_p): New function.
	(add_cross_iteration_register_deps,
	create_ddg_dep_from_intra_loop_link): Call it.

2012-01-02  Richard Guenther  <rguenther@suse.de>

	PR other/51679
	* invoke.texi (fassociative-math): Remove spurious paranthesis.

2012-01-01  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2012-01-01  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/51704
	* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
	a use is inside the basic block or loop before accessing its vect info.

2012-01-01  Jan Hubicka  <jhjh@suse.cz>

	PR rtl-optimization/51069
	* cfgloopmanip.c (remove_path): Removing path making irreducible
	region unconditional makes BB part of the region.

2012-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51683
	* tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
	calls with side-effects.
	* tree-ssa-ccp.c (ccp_fold_stmt): Likewise.

Copyright (C) 2012 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.