2012-08-17  Walter Lee  <walt@tilera.com>

	Backport from mainline
	2012-08-17  Walter Lee  <walt@tilera.com>

	* config/tilegx/feedback.h (FEEDBACK_ENTER_EXPLICIT): Define.
	(FEEDBACK_ENTER): Define.
	(FEEDBACK_REENTER): Define.
	(FEEDBACK_ENTRY): Define.
	* config/tilepro/feedback.h: (FEEDBACK_ENTER_EXPLICIT): Define.
	(FEEDBACK_ENTER): Define.
	(FEEDBACK_REENTER): Define.
	(FEEDBACK_ENTRY): Define.

2012-08-16  Walter Lee  <walt@tilera.com>

	Backport from mainline
	2012-08-16  Walter Lee  <walt@tilera.com>

	* config.gcc (tilegx-*-linux*): Add feedback.h.
	(tilepro-*-linux*): Likewise.
	* config/tilegx/feedback.h: New file.
	* config/tilepro/feedback.h: New file.

2012-08-08 Pavel Chupin <pavel.v.chupin@intel.com>

	Backport from mainline r189840 and r187586:
	2012-07-25 Sergey Melnikov <sergey.melnikov@intel.com>

	* config/i386/i386.md (stack_protect_set): Disable the pattern
	for Android since Android libc (bionic) does not provide random
	value for stack protection guard at gs:0x14. Guard value
	will be provided from external symbol (default implementation).
	(stack_protect_set_<mode>): Likewise.
	(stack_protect_test): Likewise.
	(stack_protect_test_<mode>): Likewise.
	* gcc/defaults.h: Define macro TARGET_HAS_BIONIC to 0 - target does
	not have Bionic by default
	* config/linux.h: Redefine macro TARGET_HAS_BIONIC to (OPTION_BIONIC)
	Macro OPTION_BIONIC is defined in this file and provides Bionic
	accessibility status

	2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>

	* configure.ac: Stack protector enabling for Android targets.
	* configure: Regenerate.

2012-08-13  Jakub Jelinek  <jakub@redhat.com>

	Backported from trunk
	2012-07-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/53942
	* function.c (assign_parm_setup_reg): Avoid zero/sign extension
	directly from likely spilled non-fixed hard registers, move them
	to pseudo first.

2012-08-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (xop_phaddbq):  Fix vec_select selectors.
	(xop_phaddubq): Ditto.

2012-08-10  Ulrich Weigand  <ulrich.weigand@linaro.org>

	Backport from mainline
	2012-07-30  Ulrich Weigand  <ulrich.weigand@linaro.org>
		    Richard Earnshaw  <rearnsha@arm.com>

	* target.def (vector_alignment): New target hook.
	* doc/tm.texi.in (TARGET_VECTOR_ALIGNMENT): Document new hook.
	* doc/tm.texi: Regenerate.
	* targhooks.c (default_vector_alignment): New function.
	* targhooks.h (default_vector_alignment): Add prototype.
	* stor-layout.c (layout_type): Use targetm.vector_alignment.
	* config/arm/arm.c (arm_vector_alignment): New function.
	(TARGET_VECTOR_ALIGNMENT): Define.

	* tree-vect-data-refs.c (vect_update_misalignment_for_peel): Use
	vector type alignment instead of size.
	* tree-vect-loop-manip.c (vect_do_peeling_for_loop_bound): Use
	element type size directly instead of computing it from alignment.
	Fix variable naming and comment.

2012-08-09  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-08-09  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_pad_noreturn): Rename to ...
	(alpha_pad_function_end): ... this.  Also insert NOP between
	sibling call and GP load.
	(alpha_reorg): Update call to alpha_pad_function_end.  Expand comment.

2012-08-09  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2012-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
		    H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/54157
	* combine.c (gen_lowpart_for_combine): Don't return identity
	for CONST or symbolic reference.

2012-08-06  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386-protos.h (ix86_lea_outperforms): Remove prototype.
	* config/i386/i386.c (ix86_lea_outperforms): Make static.  Make
	split_cost argument signed.
	(ix86_use_lea_for_mov): Use INVALID_REGNUM instead of -1.
	(ix86_avoid_lea_for_addr): Ditto.

	2012-07-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_avoid_lea_for_addr): Return false if
	the address has less than two components.

2012-08-02  Steve Ellcey  <sellcey@mips.com>

	Backport from mainline
	2012-07-19  Steve Ellcey  <sellcey@mips.com>

	* config/mips/mips.c (mips_set_mips16_mode): Clear SYNCI_MASK in
	MIPS16 mode.

2012-08-02  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53961
	* config/i386/i386.c (ix86_legitimate_address_p): Move check for
	negative constant address for TARGET_X32 ...
	(ix86_decompose_address): ... here.  Reject constant addresses
	that don't satisfy x86_64_immediate_operand predicate.

	2012-07-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53961
	* config/i386/i386.md (*lea): Add asserts to detect invalid addresses.
	* config/i386/i386.c (ix86_print_operand_address): Ditto.
	(ix86_decompose_address): Allow (zero_extend:DI (subreg:SI (...)))
	addresses.  Prevent zero extensions of CONST_INT operands.

	2012-07-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53961
	* config/i386/i386.md (*lea): New insn pattern.
	(*lea_1): Remove.
	(*lea<mode>_2): Ditto.
	(*lea_{3,4,5,6}_zext): Ditto.
	* config/i386/predicates.md (lea_address_operand): Do not reject
	zero-extended address operands.
	* config/i386/constraints.md (j): Remove address constraint.
	* config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
	of an address.
	(ix86_print_operand_address): Handle SImode subreg of an address.
	(ix86_avoid_lea_for_addr): Reject zero-extended addresses for now.

2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-03-09  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52530
	* config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
	(ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
	to set code to 'q'.
	* config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
	(*movdi_internal_rex64): Use %E operand modifier for lea.
	(*movsi_internal): Ditto.
	(*lea_1): Ditto.
	(*lea<mode>_2): Ditto.
	(*lea_{3,4,5,6}_zext): Ditto.
	(*tls_global_dynamic_32_gnu): Ditto.
	(*tls_global_dynamic_64): Ditto.
	(*tls_dynamic_gnu2_lea_32): Ditto.
	(*tls_dynamic_gnu2_lea_64): Ditto.
	(pro_epilogue_adjust_stack_<mode>_add): Ditto.

2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-08-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_address_subreg_operand): Reject
	stack pointer.
	(ix86_print_operand_address): Assert that parts.base and parts.index
	are non-NULL after call to simplify_subreg.

2012-07-22  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/33135
	* config/sh/sh.opt (mieee): Use Var instead of Mask.  Correct
	description.
	* config/sh/sh.c (sh_option_override): Do not change
	flag_finite_math_only.  Set TARGET_IEEE to complement of
	flag_finite_math_only.
	* doc/invoke.texi (SH options): Add mno-ieee.  Correct
	description of mieee and mno-ieee behavior.

2012-07-20  Kirill Yukhin  <kirill.yukhin@intel.com>

	PR target/53877
	* config/i386/lzcntintrin.h (_lzcnt_u32): New.
	(_lzcnt_u64): Ditto.

2012-07-20  Andrey Belevantsev  <abel@ispras.ru>

	Backport from mainline
	2012-03-06  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/52250
	* sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
	to put note list into.  Unconditionally call move_bb_info.
	(move_bb_info): Do not assert the blocks being in the same region,
	just drop the note list if they are not.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.md (adddi3_insn_sp32): Add earlyclobber.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-forwprop.c (combine_conversions): Punt if the RHS of the
	defining statement is a SSA name that occurs in abnormal PHIs.

2012-07-19  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple-fold.c (canonicalize_constructor_val): Strip only useless type
	conversions.

2012-07-19  Richard Guenther  <rguenther@suse.de>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
	about transition from invariant to known bits.
	(likely_value): Addresses with UNDEFINED components are UNDEFINED.

2012-07-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/54017
	* tree-cfgcleanup.c (cleanup_omp_return): Remove.
	(cleanup_tree_cfg_bb): Don't call it.
	* omp-low.c (expand_omp_sections): Fix up the !exit_reachable case
	handling.

2012-07-19  Christian Bruel  <christian.bruel@st.com>

	PR target/54029
	* config/sh/sh.c (gen_far_branch): Set JUMP_LABEL for return jumps.

2012-07-18  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config.gcc (v850-*-rtems*): New target.
	* config/v850/rtems.h: New.
	* config/v850/t-rtems: New.

2012-07-18  Nick Clifton  <nickc@redhat.com>

	* doc/invoke.texi (ARM Options): Document -munaligned-access.

2012-07-15  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53961

	Backport from mainline
	2012-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/53110
	* config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
	instead expand it as zero extension.

2012-07-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (QImode and HImode cmove splitters): Merge
	QImode and HImode splitters.  Use ix86_comparison_operator.
	Explicitly match FLAGS_REG.
	(DFmode cmove splitter): Explicitly match FLAGS_REG.

2012-07-13  Richard Sandiford  <rdsandiford@googlemail.com>
	    Steven Bosscher  <steven@gcc.gnu.org>
	    Bernd Schmidt  <bernds@codesourcery.com>

	PR rtl-optimization/53908
	* df-problems.c (can_move_insns_across): When doing
	memory-reference book-keeping, handle call insns.

2012-07-10  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-07-03  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53811
	* config/i386/i386.c (x86_output_mi_thunk): Check if fnaddr satisfies
	sibcall_insn_operand.  Move it to a temporary register if not.

	2012-07-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53853
	* config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
	emit PIC sequence for fnaddr symbol reference in advance.

2012-07-09  Jason Merrill  <jason@redhat.com>

	PR c++/53882
	* tree.c (type_contains_placeholder_1): Handle NULLPTR_TYPE.
	(type_hash_eq): Likewise.

	PR c++/53826
	* tree.c (build_zero_cst): Handle NULLPTR_TYPE.

2012-07-07  Ulrich Weigand  <ulrich.weigand@linaro.org>

	* combine.c (force_to_mode) [LSHIFTRT]: Avoid undefined behaviour
	due to negative shift amount.

2012-07-06  Kai Tietz  <ktietz@redhat.com>

	Backport from mainline.
	PR bootstrap/52947
	* config/i386/mingw32.h (NATIVE_SYSTEM_HEADER_DIR): Define it always
	as "/mingw/include".

2012-07-06  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c (mn10300_encode_section_info): Call
	default_encode_section_info.

2012-07-06  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-03-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52786
	* double-int.c (rshift_double): Remove not needed cast.

	2012-03-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/50708
	* double-int.h (rshift_double): Remove.
	* double-int.c (lshift_double): Use absu_hwi to make count
	positive.
	(rshift_double): Make static, take unsigned count argument,
	remove handling of negative count argument.
	(double_int_rshift): Dispatch to lshift_double.

2012-07-06  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-06-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53693
	* tree-vect-patterns.c (vect_operation_fits_smaller_type):
	Reject operands with more than one use.

2012-07-06  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-04-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52621
	* tree-chrec.c (evolution_function_is_invariant_rec_p): Properly
	consider loop nesting.
	(evolution_function_is_univariate_p): Properly check the remainder
	for chrecs.

2012-07-05  Pat Haugen <pthaugen@us.ibm.com>

	Backport from mainline
	2012-05-24  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Change
	rs6000_sched_costly_dep default to true_store_to_load_dep_costly.
	(adjacent_mem_locations): Move some code to and call...
	(get_memref_parts): ...new function.
	(mem_locations_overlap): New function.
	(rs6000_adjust_priority): Adjust calls to is_load_insn/is_store_insn.
	(is_mem_ref): Rename to...
	(find_mem_ref): ...this. Return MEM rtx.
	(get_store_dest): Remove function.
	(is_load_insn1, is_load_insn, is_store_insn1, is_store_insn): Add
	new parameter and adjust calls.
	(rs6000_is_costly_dependence): Update calls for extra arg. Make sure
	mem refs overlap for true_store_to_load_dep_costly.
	(rs6000_sched_reorder2): Update calls for extra arg. Adjust args
	passed to adjacent_mem_locations.
	(is_costly_group): Walk resolved dependency list.
	(force_new_group): Emit group ending nop for Power6/Power7.
	* config/rs6000/rs6000.md (UNSPEC_GRP_END_NOP): New enum value.
	(group_ending_nop): New define_insn.

2012-07-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53433
	* gimple-fold.c (get_base_constructor): Do not return an
	error_mark_node DECL_INITIAL.

2012-07-04  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-07-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_option_override_internal): Fix wrong
	code model string in the error message.

2012-07-04  Tristan Gingold  <gingold@adacore.com>

	Backport from mainline.
	2012-06-25  Tristan Gingold  <gingold@adacore.com>

	* config/i386/winnt.c (i386_pe_seh_end_prologue): Move code to ...
	(seh_cfa_adjust_cfa): ... that function.
	(seh_emit_stackalloc): Do not emit out of range values.
	* config/i386/i386.md: Delete unused UNSPEC_REG_SAVE,
	UNSPEC_DEF_CFA constants.
	* config/i386/i386.h (SEH_MAX_FRAME_SIZE): Define.
	* config/i386/i386.c (ix86_frame_pointer_required): Required
	for very large frames on SEH target.
	(ix86_compute_frame_layout): Save area is before frame pointer
	on SEH target.  Handle very large frames.
	(ix86_expand_prologue): Likewise.

2012-07-04  Richard Guenther  <rguenther@suse.de>

	* tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
	as in free_lang_data_in_type.

2012-07-02  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline.
	2012-07-02  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/38474
	* ipa-prop.c (compute_known_type_jump_func): Put BINFO check before a
	dynamic type change check.

2012-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-eh.c (lower_try_finally_switch): Really put the location of the
	last statement of the finally block onto the switch.

2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	* configure: Regenerate.

	Backport from mainline.
	2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	* config.gcc (target_type_format_char): New. Document it. Set it for
	arm*-*-* .
	* configure.ac (gnu_unique_option): Use target_type_format_char
	in test.  Comment rationale.

2012-06-29  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline.
	2012-05-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	* config/arm/arm.c (arm_evpc_neon_vrev): Adjust off by one error.

2012-06-28  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-06-28 mainline r189049

	PR 53595
	* config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
	* config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
	* config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
	avr_hard_regno_call_part_clobbered.

2012-06-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53790
	* expr.c (expand_expr_real_1): Verify if the type is complete
	before inspecting its size.

2012-06-27  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (comparesi3_extend): Remove = modifier from
	input operand.

2012-06-26  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/53682
	* cselib.c (promote_debug_loc): Don't crash on NULL argument.

2012-06-26  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (simple_return): Use the simple_return rtx.

2012-06-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/53759
	* config/i386/sse.md (sse_loadlps): Use x m x constraints instead
	of x x x in the vmovlps load alternative.

2012-06-22  Richard Guenther  <rguenther@suse.de>

	* gcov-iov.c: Include bconfig.h and system.h.

2012-06-22  Richard Guenther  <rguenther@suse.de>

	PR gcov-profile/53744
	* gcov-iov.c (main): Treat "" and "prerelease" the same.

2012-06-22  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Remove again
	DECL_IGNORED_P non-reg vars even if they are used.

2012-06-19  Jason Merrill  <jason@redhat.com>

	PR c++/52637
	* dwarf2out.c (modified_type_die): Use scope_die_for.
	(gen_type_die_with_usage, dwarf2out_finish): Likewise.
	(uses_local_type_r, uses_local_type): New.
	(scope_die_for): Keep a type that uses a local type in local scope.
	Use get_context_die for namespace and type scope.

2012-06-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53470
	* tree.c (free_lang_data_in_type): Do not clear TYPE_CONTEXT but
	replace it with the first non-BLOCK context.

2012-06-18  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/53700

	Backport from mainline
	2012-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-color.c (setup_left_conflict_sizes_p): Process all
	conflicting objects.

2012-06-18  Venkataramanan Kumar <venkataramanan.kumar@amd.com>

	Backport from mainline
	2012-05-09 Uros Bizjak  <ubizjak@gmail.com>

	PR target/52908
	* config/i386/sse.md (vec_widen_smult_hi_v4si): Expand using
	xop_pmacsdqh insn pattern instead of xop_mulv2div2di3_high.
	(vec_widen_smult_lo_v4si): Expand using xop_pmacsdql insn pattern
	instead of xop_mulv2div2di3_low.
	(xop_p<macs>dql): Fix vec_select selector.
	(xop_p<macs>dqh): Ditto.
	(xop_mulv2div2di3_low): Remove insn_and_split pattern.
	(xop_mulv2div2di3_high): Ditto.

2012-06-17  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2012-06-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vcvtph2ps): Fix vec_select selector.

2012-06-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2012-06-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.h (MAX_PCREL17F_OFFSET): Define.
	* config/pa/pa.c (pa_attr_length_millicode_call): Use
	MAX_PCREL17F_OFFSET instead of fixed offset.
	(pa_attr_length_call): Likewise.
	(pa_attr_length_indirect_call): Likewise.

2012-06-15  Walter Lee  <walt@tilera.com>

	Backport from mainline:
	2012-06-15  Walter Lee  <walt@tilera.com>

	* config/tilegx/sync.md (atomic_fetch_<fetchop_name><mode>): Fix typo.

	2012-06-14  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/tilegx/sync.md (atomic_fetch_sub<mode>): Fix typo.

2012-06-15  Aldy Hernandez  <aldyh@redhat.com>

	Backport from mainline:

	2012-05-31  Aldy Hernandez  <aldyh@redhat.com>
	* tree-ssa-loop-im.c (execute_sm): Do not check flag_tm.
	* gimple.h (block_in_transaction): Check for flag_tm.

2012-06-14  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/52558

	Backport from mainline:
	2012-05-21  Aldy Hernandez  <aldyh@redhat.com>
	* gimple.h (gimple_set_in_transaction): Remove.
	(gimple_in_transaction): Look in BB instead.
	(gimple_statement_base): Remove in_transaction field.
	* basic-block.h (enum bb_flags): Add BB_IN_TRANSACTION.
	* trans-mem.c (compute_transaction_bits): Place transaction bit
	information into basic blocks.

	2012-05-31  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/52558
	* cfg.c (alloc_aux_for_edge): Fix comment.
	(alloc_aux_for_edge): Remove static.
	* basic-block.h (alloc_aux_for_edge): Protoize.
	* tree-ssa-loop-im.c (execute_sm_if_changed): New.
	(execute_sm_if_changed_flag): New.
	(execute_sm_if_changed_flag_set): New.
	(execute_sm): Do not generate data races unless requested.
	(tree_ssa_lim_initialize): Call alloc_aux_for_edges.
	(tree_ssa_lim_finalize): Call free_aux_for_edges.
	* gimple.h (block_in_transaction): New.
	(gimple_in_transaction): Use block_in_transaction.

2012-06-14  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2012-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/53589
	* cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
	discovery even when e->dest != target.  If any LABEL_REF points
	to e->dest label, redirect it to target's label.

	2012-06-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/53580
	* omp-low.c (scan_omp_1_stmt): If check_omp_nesting_restrictions
	returns false, replace stmt with GIMPLE_NOP.
	(check_omp_nesting_restrictions): Instead of issuing warnings,
	issue errors and return false if any errors were reported.

2012-06-14  Richard Guenther  <rguenther@suse.de>

	* BASE-VER: Set to 4.7.2.
	* DEV-PHASE: Set to prerelease.

2012-06-12  Christian Bruel  <christian.bruel@st.com>

	PR target/53621
	* config/sh/sh.c (sh_option_override): Don't force
	 flag_omit_frame_pointer and maccumulate_outgoing_args.
	* config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.

2012-06-14  Release Manager

	* GCC 4.7.1 released.

2012-06-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/ia64/sync.md (fetchop_name): Change ior attribute to "or".

2012-06-13  Richard Henderson  <rth@redhat.com>

	* config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
	iterator instead of INT.

2012-06-08  Richard Henderson  <rth@redhat.com>

	PR c++/53602
	* combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
	note to a clobber insn when no other insn is available.

2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53524
	* doc/invoke.texi (Wenum-compare): Update documentation.

2012-06-04  Edmar Wienskoski  <edmar@freescale.com>

	PR target/53559
	* config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
	operands.
	(altivec_stvlxl): Ditto.
	(altivec_stvrx): Ditto.
	(altivec_stvrxl): Ditto.

2012-06-04  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/47530
	* trans-mem.c (expand_block_edges): Do not skip the first
	statement when resetting the BB.

2012-06-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53471
	* dwarf2out.c (dwarf2out_finish): If generating LTO do not
	create new assembler names.

2012-06-04  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52979
	* stor-layout.c (get_best_mode): Don't return mode with bitsize
	larger than maxbits.  Don't compute maxbits modulo align.
	Also check that unit bytes long store at bitpos / unit * unit
	doesn't affect bits beyond bitregion_end.
	* expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
	would not fit into bitregion_start ... bitregion_end + 1 bit
	region.
	(store_split_bit_field): Decrease unit close to end of bitregion_end
	if access is restricted in order to avoid mutual recursion.

2012-06-04  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-06-04 mainline r188172

	PR target/46261
	* config/avr/avr-stdint.h: New file.
	* config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
	newlib-stdint.h

2012-06-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53550
	* tree-ssa-loop-niter.c (number_of_iterations_cond): If type
	is POINTER_TYPE_P, use sizetype as step type instead of type.

2012-06-04  Richard Guenther  <rguenther@suse.de>
	    Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
	Change type of BITOFFSET to signed.  Make sure the lower bound of
	the computed range is non-negative by adjusting OFFSET and BITPOS.
	(expand_assignment): Adjust call to get_bit_range.

	2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (get_bit_range): Return the null range if the enclosing record
	is part of a larger bit field.

	2012-03-20  Richard Guenther  <rguenther@suse.de>

	* stor-layout.c (finish_bitfield_representative): Fallback
	to conservative maximum size if the padding up to the next
	field cannot be computed as a constant.
	(finish_bitfield_layout): If we cannot compute the distance
	between the start of the bitfield representative and the
	bitfield member start a new representative.
	* expr.c (get_bit_range): The distance between the start of
	the bitfield representative and the bitfield member is zero
	if the field offsets are not constants.

	2012-03-16  Richard Guenther  <rguenther@suse.de>

	* stor-layout.c (finish_bitfield_representative): Fall back
	to the conservative maximum size if we cannot compute the
	size of the tail padding.

	2012-03-14  Richard Guenther  <rguenther@suse.de>

	* tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
	* stor-layout.c (start_bitfield_representative): New function.
	(finish_bitfield_representative): Likewise.
	(finish_bitfield_layout): Likewise.
	(finish_record_layout): Call finish_bitfield_layout.
	* tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
	for QUAL_UNION_TYPE fields.
	* tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
	Stream DECL_BIT_FIELD_REPRESENTATIVE.
	* tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.

	PR middle-end/52080
	PR middle-end/52097
	PR middle-end/48124
	* expr.c (get_bit_range): Unconditionally extract bitrange
	from DECL_BIT_FIELD_REPRESENTATIVE.
	(expand_assignment): Adjust call to get_bit_range.

2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/53501
	* fold-const.c (fold_binary_loc): Refine previous change.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/52667
	* config/sh/sh.c (find_barrier): Add equality check of last_got to
	avoid going above orig insn.  Update comments.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/52642
	* config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
	prologue for unwinder and profiler.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (abssi2): Add TARGET_SH1 condition.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_dwarf_register_span): Don't apply
	DBX_REGISTER_NUMBER.

2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>

	Backport from mainline
	2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (shiftcosts): Return MAX_COST when the first
	operand is CONST_INT.  Take COSTS_N_INSNS into account.
	(sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
	shiftcosts.	

2012-05-31  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.opt (-msp8): Document it.
	* doc/invoke.texi (AVR Options): Copy from trunk docu.

2012-05-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48493
	* expr.c (expand_assignment): Do not use movmisalign on
	non-memory.

2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/52999
	* config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
	(pa_section_type_flags): New.
	(pa_legitimate_constant_p): Revert previous change.

2012-05-30  Aldy Hernandez  <aldyh@redhat.com>

	Backport from mainline
	2012-05-25  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/53008
	* trans-mem.c (ipa_tm_create_version_alias): Output new_node if
	accessed indirectly.
	(ipa_tm_create_version): Same.

2012-05-30  Jason Merrill  <jason@redhat.com>

	PR c++/53220
	* c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
	about array compound literals.

2012-05-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53501
	* fold-const.c (fold_binary_loc): Make sure to call
	fold_plusminus_mult_expr with the original sign of operands.

2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>

	* explow.c (probe_stack_range): Restore simple control flow and stop
	again when the probe cannot be generated if HAVE_check_stack.

2012-05-30  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/53519
	* combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
	instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.

2012-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53516
	* tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
	bitfield accesses.
	* tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.

2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>

	Backport from mainline
	2012-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53438
	* tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.

2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/52528
	* combine.c (can_combine_p): Add setting of subst_low_luid
	before call to expand_field_assignment().

2012-05-26  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2012-05-23  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline-analysis.c (inline_merge_summary): Free operand_map.

2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/52178
	* tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
	* tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.

2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	PR target/53435
	* config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
	(ix86_expand_vec_perm): Use int mode instead of float.

2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/52362
	* config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
	gnu_ld variables to yes.
	* configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
	(HAVE_GNU_AS): Likewise.
	* config.in: Regenerate.
	* configure: Likewise.

2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline
	2012-03-12  Richard Guenther  <rguenther@suse.de>
	* config/arm/arm.c (neon_dereference_pointer): Do not call
	covert during RTL expansion.

2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	Backport from mainline
	2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/53385
	* config/rs6000/rs6000.c (print_operand): Revise code that unsafely
	relied on signed overflow behavior.

2012-05-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53460
	* tree-profile.c (tree_profiling): Cleanup the CFG if
	execute_fixup_cfg requests it.

2012-05-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53465
	* tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
	vr0 into *vr, then vrp_meet that.
	(vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
	have any equivalences.
	(vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
	first time.

2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
	size handling.
	(gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
	(iterative_hash_gimple_type): Adjust comment.
	(iterative_hash_canonical_type): Likewise.  Hash the bounds of the
	domain for an array type instead of the domain type itself.

2012-05-23  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-05-23 mainline r187803

	PR target/53448
	* config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
	* config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
	ASM_OUTPUT_ALIGN.

2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>

	Backport from 2012-05-03 mainline r187075

	* config/i386/driver-i386.c (host_detect_local_cpu): Reset
	has_fma4 for AMD processors with both fma3 and fma4 support.

2012-05-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53408
	* tree-vect-loop.c (vectorizable_induction): Properly check
	the restriction that we cannot handle induction results from
	the inner loop outside of the outer loop.

2012-05-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53436
	* omp-low.c (omp_build_component_ref): New function.
	(build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.

	PR tree-optimization/53366
	* tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
	tests if complex_numbers == 2, but there are non-complex number loads
	too.

	PR tree-optimization/53409
	* tree-vect-loop.c (vect_analyze_loop_operations): Don't check
	vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.

	PR tree-optimization/53410
	* fold-const.c (fold_binary_loc): Use build_zero_cst (type)
	instead of build_int_cst (type, 0) where vector types might be
	involved.

2012-05-21  Joseph Myers  <joseph@codesourcery.com>

	PR c/53418
	* c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
	from folded operands before wrapping another around the
	conditional expression.

2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
	    Patrick Marlier  <patrick.marlier@gmail.com>

	* trans-mem.c (ipa_tm_transform_clone): Transform functions with
	indirect calls.

2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/53416
	* config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
	(UNSPECV_RDRAND): This.
	(rdrand<mode>_1): Updated.

2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	RDRND, F16C and FSGSBASE.

2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-pre.c (can_value_number_call): Delete.
	(compute_avail): Skip all statements with side effects.
	<GIMPLE_CALL>: Skip calls to internal functions.

2012-05-18  David S. Miller  <davem@davemloft.net>

	Backport r185385 from mainline
	2012-03-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52584
	* tree-vect-generic.c (type_for_widest_vector_mode): Take
	element type instead of mode, use build_vector_type_for_mode
	instead of the langhook, build a vector of proper signedness.
	(expand_vector_operations_1): Adjust.

2012-05-18  Olivier Hainque  <hainque@adacore.com>

	* Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
	$(libsubdir) as libexecsubdir.

2012-05-16  Andrew Pinski  <apinski@cavium.com>

	* gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
	GIMPLE_ASSIGN.

2012-05-16  David S. Miller  <davem@davemloft.net>

	* jump.c (delete_related_insns): If we remove a CALL, make sure
	we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.

2012-05-16  Richard Henderson  <rth@redhat.com>

	PR debug/52727
	* combine-stack-adj.c (prev_active_insn_bb): New.
	(next_active_insn_bb): New.
	(force_move_args_size_note): New.
	(combine_stack_adjustments_for_block): Use it.

2012-05-16  Olivier Hainque  <hainque@adacore.com>

	* Makefile.in (install-no-fixedincludes): New target, former toplevel
	gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
	Add comments and improve stamp preservation across the whole sequence.
	(stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.

2012-05-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53364
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
	detect a view-conversion of the decl.

2012-05-15  Jakub Jelinek  <jakub@redhat.com>

	PR target/53358
	* config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
	that operands[2] is either immediate, or q_regs_operand.

2012-05-15  Bin Cheng  <bin.cheng@arm.com>

	Backport r187139 from mainline.
	2012-05-04  Bin Cheng  <bin.cheng@arm.com>

	PR rtl-optimization/52804
	* reload1.c (reload_reg_reaches_end_p): Check whether successor
	reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
	of current one with type RELOAD_FOR_INPADDR_ADDRESS.
	Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
	RELOAD_FOR_OUTADDR_ADDRESS.

2012-05-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46098
	* config/i386/i386.c (ix86_expand_special_args_builtin): Always
	generate target register for "load" class builtins.

	Revert:
	2010-10-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46098
	* config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
	Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
	(avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
	(*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
	(<sse>_movu<ssemodesuffix>): New expander.
	(*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
	(avx_movdqu<avxmodesuffix>): New expander.
	(*sse2_movdqu): Rename from sse2_movdqu.
	(sse2_movdqu): New expander.

2012-05-14  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
	lineno 1 the same as lineno 0 before first start file directive.
	(optimize_macinfo_range): Likewise.

	* dwarf2out.c (have_macinfo): Define.
	(dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
	attribute, don't force empty compilation unit and don't emit any
	.debug_macinfo/.debug_macro section if macinfo_table is empty.

2012-05-13  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-05-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
	ORDERED and UNORDERED conditions.

2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>

	* function.c (requires_stack_frame_p): If the function can throw
	non-call exceptions, return true if the insn can throw internally.

2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
	DECL_ORIGINAL_TYPE if it is present.

2012-05-09  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-05-12 mainline r187342.

	PR target/53256
	* config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
	* config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
	* config/avr/avr.h (struct machine_function): Add attributes_checked_p.
	* config/avr/avr.c (avr_asm_declare_function_name): Remove.
	(expand_prologue): Move initialization of cfun->machine->is_naked,
	is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
	(avr_set_current_function): ...this new static function.
	(TARGET_SET_CURRENT_FUNCTION): New define.
	(avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
	checking attributes of current_function_decl.
	(avr_regs_to_save): Ditto.
	(signal_function_p): Rename to avr_signal_function_p.
	(interrupt_function_p): Rename to avr_interrupt_function_p.

	* doc/extend.texi (Function Attributes): Better explanation of
	'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
	alphabetical order.

2012-05-09  Matthias Klose  <doko@ubuntu.com>

	* gcc-ar.c (main): Don't check for execute bits for the plugin.

2012-05-08  Hans-Peter Nilsson  <hp@axis.com>

	PR target/53272
	* config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
	when a constant source operand matches an "I" constraint, the "no
	CC0 change" applies to a register-destination only, not a
	strict_low_part-destination.

2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline:
	2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	* config/arm/sync.md (sync_optab): Change ior attribute to "or".

2012-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53239
	* tree-vrp.c (get_value_range): Set VR of
	SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
	to nonnull.

2012-05-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53195
	* tree-inline.c (setup_one_parameter): Properly add referenced
	vars from the parameters new known value.

2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/52999
	* config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
	in constant pool.

2012-05-04  Ian Lance Taylor  <iant@google.com>

	* tree-vect-patterns.c (vect_single_imm_use): Correct return
	values from false to NULL.

2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53228
	* config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
	(TARGET_CMOV): Rename from TARGET_CMOVE.
	(TARGET_CMOVE): New define.
	* config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
	Do not set TARGET_CMOVE here.

2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

	Backport from mainline:

	2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

	PR tree-optimization/52633
	* tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
	vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
	(vect_recog_over_widening_pattern): Remove handling of code that was
	already detected as over-widening pattern.  Remove special handling
	of "unsigned" cases.  Instead, support general case of conversion
	of the shift result to another type.

	2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>

	* tree-vect-patterns.c (vect_single_imm_use): New function.
	(vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
	(vect_recog_over_widening_pattern): Likewise.
	(vect_recog_widen_shift_pattern): Likewise.

	2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>

	PR tree-optimization/52870
	* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
	presumed pattern statement is within the same loop or basic block.

2012-05-04  Richard Guenther  <rguenther@suse.de>

	* common.opt (flto-report): Do not mark as Optimization.

2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/48496
	* recog.c (constrain_operands): If extra constraints are present, also
	accept pseudo-registers with equivalent memory locations during reload.

2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from the mainline
	2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/53199
	* config/rs6000/rs6000.md (bswapdi splitters): If
	-mavoid-indexed-addresses (or -mcpu=power6 which sets it by
	default) is used, generate an alternate sequence that does not
	depend on using indexed addressing.

2012-05-03  David S. Miller  <davem@davemloft.net>

	PR target/52684
	* config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
	MEM directly into a libcall, mark it's MEM_EXPR as addressable.
	(sparc_emit_float_lib_cmp): Likewise.

2012-05-04  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2012-05-02  Martin Jambor  <mjambor@suse.cz>

	PR lto/52605
	* dwarf2out.c (dwarf2out_decl): Only lookup die representing context
	of a variable when the contect is a function.

2012-05-03  Jakub Jelinek  <jakub@redhat.com>

	PR plugins/53126
	* gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
	append program name to it and pass that as first argument
	to make_relative_prefix.  Always pass standard_libexec_prefix
	as last argument to make_relative_prefix.  If
	make_relative_prefix returns NULL, fall back to
	standard_libexec_prefix.

	PR debug/53174
	* tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
	removed.

	PR target/53187
	* config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
	mode, return that mode.

2012-05-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53144
	* tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
	Rename to ...
	(vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
	with SSA name values.
	(vn_reference_lookup_3): Adjust callers.

2012-05-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/53163
	* tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
	return value from compute_all_dependences.

	PR rtl-optimization/53160
	* ree.c (combine_reaching_defs): Handle the case where cand->insn
	has been modified by ree pass already.

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

	Backport from mainline
	2012-04-30  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/53136
	* ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
	calls to cgraph_node_name in xstrdup.
	(ipa_make_edge_direct_to_target): Ditto.
	* tree-sra.c (convert_callers_for_node): Ditto.
	* lto-symtab.c (lto_cgraph_replace_node): Ditto.
	* ipa-cp.c (perhaps_add_new_callers): Ditto.
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
	(cgraph_materialize_all_clones): Ditto.
	* ipa-inline.c (report_inline_failed_reason): Ditto.
	(want_early_inline_function_p): Ditto.
	(edge_badness): Ditto.
	(update_edge_key): Ditto.
	(flatten_function): Ditto.
	(ipa_inline): Ditto.
	(inline_always_inline_functions): Ditto.
	(early_inline_small_functions): Ditto.

2012-04-30  Andreas Tobler  <andreast@fgznet.ch>

	Backport from mainline
	2012-03-21  Andreas Tobler  <andreast@fgznet.ch>

	* configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
	Introduce emul_name to select the right linker emulation for
	powerpc64-*-freebsd*.
	* configure: Regenerate.
	* config.gcc: Add bits to support powerpc64-*-freebsd*.
	* config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
	* config/rs6000/freebsd64.h: New file.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Use
	POWERPC_FREEBSD.
	(rs6000_savres_strategy): Likewise.
	(rs6000_savres_routine_name): Likewise.
	(rs6000_elf_file_end): Likewise.
	* config/rs6000/t-freebsd64: New file.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
	rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.

2012-04-30  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-04-27  Paolo Bonzini  <bonzini@gnu.org>

	PR target/53138
	* config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.

2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>

	* config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
	predicate to discriminate types.

2012-04-27  Richard Guenther  <rguenther@suse.de>

	PR c/51527
	* convert.c (convert_to_integer): Avoid infinite recursion for
	target-defined built-in types.

2012-04-26  Hans-Peter Nilsson  <hp@axis.com>

	PR target/53120
	* config/cris/cris.md ("*andhi_lowpart_v32")
	("*andqi_lowpart_v32"): Change first input-only operand from
	a (match_operand ...) to (match_dup 0).  Drop alternatives with
	const_int-matching constraints for redundancy.
	("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
	three-operand alternative.

2012-04-26  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-04-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
	(*addsi_2_zext): Ditto.
	(*add<mode>_3): Ditto.
	(*addsi_3_zext): Ditto.
	(*add<mode>_5): Ditto.

2012-04-25  Jakub Jelinek  <jakub@redhat.com>

	PR c/52880
	* c-typeck.c (set_nonincremental_init,
	set_nonincremental_init_from_string): Pass true instead of false
	as IMPLICIT to add_pending_init.

2012-04-24  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-04-24 mainline r186768.

	PR target/53065
	* config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.

2012-04-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53085
	* tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
	stores.

2012-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/53084
	* varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
	of MEM_REF.
	(output_addressed_constants): Likewise.

	PR middle-end/52999
	* varasm.c (get_section): Don't ICE for section conflicts with
	built-in section kinds.

2012-04-23  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".

2012-04-23  Georg-Johann Lay  <avr@gjlay.de>

	* doc/extend.texi (AVR Named Address Spaces): Fix typos.

2012-04-23  Richard Guenther  <rguenther@suse.de>

	PR c/53060
	* c-typeck.c (build_binary_op): Fix typo.

2012-04-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimizations/52891
	* tree-vect-patterns.c (adjust_bool_pattern): Use
	build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
	but with non-standard precision.

2012-04-22  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_typedef): Dump size of structs.

2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>

	Backport from mainline:

	* config/arm/arm.c (arm_print_operand): Fix invalid alignment
	hints for 'A' operand types.

2012-04-19  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-04-19 mainline r186588.

	PR target/53033
	* config/avr/avr.c (avr_out_load_psi): Fix assembler template for
	the case *(X+const).

2012-04-18  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/sync.md (fetchop_name): Change ior attribute to "or".

2012-04-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53020
	* config/i386/sync.md (atomic_<code><mode>): Rename to
	atomic_<logic><mode>.

2012-04-16  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-04-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52932
	* config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
	argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
	* config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
	(avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
	* config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
	Update builtin type to V8SF_FTYPE_V8SF_V8SI.
	(ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
	gen_avx2_permvarv8sf.

2012-04-16  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline

	2012-04-13  Martin Jambor  <mjambor@suse.cz>
	PR middle-end/52939

	* gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
	fold_ctor_reference returns a zero constant.

2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>

	Backported from mainline
	2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-c.c (ix86_target_macros): Define _ILP32
	and __ILP32__ for x32.

2012-04-13  Tom de Vries  <tom@codesourcery.com>

	Backport from mainline r186418.

	2012-04-13  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
	parameters vuse and vuse_escaped.
	(find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
	gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
	vuse1 != vuse2.

2012-04-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52969
	* tree-if-conv.c (predicate_mem_writes): Properly gimplify
	the condition for the COND_EXPR and handle predicate negation
	by swapping the COND_EXPR arms.

2012-04-13  Richard Guenther  <rguenther@suse.de>

	PR c/52862
	* convert.c (convert_to_pointer): Remove special-casing of
	zero.

2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/52775
	* config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
	the list of options to enable the FCFID instruction.
	(TARGET_EXTRA_BUILTINS): Adjust comment.

2012-04-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52943
	* tree-chrec.h (chrec_is_positive): Remove.
	* tree-scalar-evolution.c (chrec_is_positive): Move ...
	* tree-data-ref.c (chrec_is_positive): ... here.  Make static.
	Return false for a constant zero instead of negative.
	(analyze_siv_subscript_cst_affine): Handle zero difference
	in the initial condition explicitely.

2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/52894
	* varasm.c (process_pending_assemble_externals): Set
	pending_assemble_externals_processed true.
	(assemble_external): Call assemble_external_real if the pending
	assemble externals have been processed.

2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/52717
	* config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
	the DECL generated for the special GOT helper.

2012-04-06  Walter Lee  <walt@tilera.com>

	Backport from mainline
	2012-03-07  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
	REG_CFA_* notes for the stack pointer.
	(tilegx_expand_epilogue): Restore stack pointer by adjusting it by
	EH_RETURN_STACKADJ_RTX.
	* config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
	generate REG_CFA_* notes for the stack pointer.
	(tilepro_expand_epilogue): Restore stack pointer by adjusting it
	by EH_RETURN_STACKADJ_RTX.

2012-04-06  Matt Turner  <mattst88@gmail.com>

	* doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".

2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>

	* config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
	of the destination isn't also a FP_REGS register.

2012-04-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-03-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52406
	* tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
	(struct indices): Add unconstrained_base member.
	(struct dr_alias): Remove unused vops member.
	(DR_UNCONSTRAINED_BASE): New define.
	* tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
	add indices to allow their disambiguation.  Make DR_BASE_OBJECT
	be an artificial access that covers the whole indexed object,
	or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
	plain decl base-objects to their MEM_REF variant.
	(dr_may_alias_p): When the base-object of either data reference
	has unknown size use only points-to information.
	(compute_affine_dependence): Make dumps easier to read and
	more verbose.
	* tree-vect-data-ref.c (vector_alignment_reachable_p): Use
	DR_REF when looking for packed references.
	(vect_supportable_dr_alignment): Likewise.

2012-04-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52580
	* tree-data-ref.c (subscript_dependence_tester_1): Check
	all dimensions for non-conflicting access functions.

2012-04-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-03-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52493
	* tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.

	2012-03-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52678
	* tree-vectorizer.h (struct _stmt_vec_info): Add
	loop_phi_evolution_part member.
	(STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
	STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
	* tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
	Use the cached evolution part and the PHI nodes value from
	the loop preheader edge instead of re-analyzing the evolution.

	2012-03-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52701
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
	compute and set the evolution part of PHI nodes.

	2012-03-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52754
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
	propagate arbitrary addresses into really plain dereferences.

2012-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52835
	* tree-data-ref.c (build_rdg): Return NULL if
	compute_data_dependences_for_loop failed.

2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-cfg.c (call_can_make_abnormal_goto): New predicate.
	(stmt_can_make_abnormal_goto): Use it.
	(is_ctrl_altering_stmt): Likewise.

2012-03-31  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline
	2012-03-30  Martin Jambor  <mjambor@suse.cz>

	* tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
	is a builtin_stack_save in a dominating BB.

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
	crossing 128bit lane boundary.

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

	Backported from mainline
	2012-03-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52698
	* config/i386/i386-protos.h (ix86_legitimize_reload_address):
	New prototype.
	* config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
	* config/i386/i386.c: Include reload.h.
	(ix86_legitimize_reload_address): New function.

2012-03-28  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline
	2012-03-27  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/52693
	* tree-sra.c (sra_modify_assign): Do not call
	load_assign_lhs_subreplacements when working with an unscalarizable
	region.

2012-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52691
	* tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
	__builtin_va_start to __builtin_next_arg if the latter is
	builtin_decl_explicit_p rather than when it is not.

	PR middle-end/52750
	* tree-vect-generic.c (vector_element): Perform multiplication
	for pos in bitsizetype type instead of idx type.

2012-03-28  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-03-28 mainline r185910.

	PR target/52692
	* config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
	(avr_builtin_decl): New static function.
	(struct avr_builtin_description, avr_bdesc): Move up.
	Add GTY marker. Add field fndecl. Remove redundant field id.
	(avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
	(avr_expand_builtin): Code cleanup because .id is removed.

2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>

	PR middle-end/51893
	* expmed.c (store_bit_field_1): Fix wordnum value for big-endian
	targets.

2012-03-28  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-03-28 mainline r185907.

	PR target/52737
	* config.gcc (tm_file): Remove avr/multilib.h.

	* doc/invoke.texi (AVR Options): Adjust
	documentation of -mtiny-stack.

	* config/avr/genmultilib.awk: Remove code to generate multilib.h.
	(BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
	* config/avr/t-avr: Remove generation of multilib.h.
	* config/avr/t-multilib: Regenerate.
	* config/avr/multilib.h: Remove.
	* config/avr/avr.opt (-msp8): New option.
	(avr_sp8): New variable.
	* config/avr/driver-avr.c (avr_device_to_sp8): New function.
	* config/avr/avr.h (AVR_HAVE_SPH): New define.
	(AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
	(avr_device_to_sp8): New prototype.
	(EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
	(DRIVER_SELF_SPECS): New define.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
	__AVR_SP8__, __AVR_HAVE_SPH__.
	* config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
	AVR_HAVE_8BIT_SP to decide if SP_H is present.
	(avr_file_start): Ditto.

2012-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/52736
	* config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
	instead of 8 in adjust_address.

2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>

	* expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
	of a unit before computing the offset in units.

2012-03-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52720
	* fold-const.c (try_move_mult_to_index): Handle &x.array more
	explicitely.

2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/52610
	* config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.

2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/52640
	* varasm.c: Include pointer-set.h.
	(pending_assemble_externals_set): New pointer set.
	(process_pending_assemble_externals): Destroy the pointer set.
	(assemble_external): See if decl is in pending_assemble_externals_set,
	and add it to pending_assemble_externals if necessary.
	(init_varasm_once): Allocate pending_assemble_externals_set.

2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backported from mainline
	2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/50310
	* config/rs6000/vector.md (vector_uneq<mode>): Add support for
	UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
	(vector_ltgt<mode>): Likewise.
	(vector_ordered<mode>): Likewise.
	(vector_unordered<mode>): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.

2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.c (epiphany_function_value_regno_p):
	Make static.

2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backported from mainline
	2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/48596
	PR target/48806
	* config/sh/sh.c (sh_register_move_cost): Increase cost between
	GENERAL_REGS and FP_REGS for SImode.

2012-03-22  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52547
	* tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
	on any new_local_var_chain vars declared during recursing on
	GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.

2012-03-22  Georg-Johann Lay  <avr@gjlay.de>

	Backport from 2012-03-22 mainline r185692.

	PR target/52496
	* config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
	(unspecv): Add UNSPECV_MEMORY_BARRIER.
	(cli_sei): Use unspec_volatile instead of unspec for memory barrier.
	(delay_cycles_1, delay_cycles_2): Ditto.
	(delay_cycles_3, delay_cycles_4): Ditto.
	(nopv, *nopv): Ditto.
	(sleep, *sleep): Ditto.
	(wdr, *wdr): Ditto.

	Backport from 2012-03-21 mainline r185605.

	PR rtl-optimization/52543
	PR target/52461
	* config/avr/avr-protos.h (avr_load_lpm): New prototype.
	* config/avr/avr.c (avr_mode_dependent_address_p): New function.
	(TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
	(avr_load_libgcc_p): Restrict to __flash loads.
	(avr_out_lpm): Only handle 1-byte loads from __flash.
	(avr_load_lpm): New function.
	(avr_find_unused_d_reg): Remove.
	(avr_out_lpm_no_lpmx): Remove.
	(adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
	* config/avr/avr.md (unspec): Add UNSPEC_LPM.
	(load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
	(load_<mode>, load_<mode>_clobber): New insns.
	(mov<mode>): For multi-byte move from non-generic
	16-bit address spaces: Expand to load_<mode> resp.
	load_<mode>_clobber.
	(load<mode>_libgcc): Remove expander.
	(split-lpmx): Remove split.

	Backport from 2012-03-13 mainline r185329.

	PR target/52488
	* config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
	offset (size) to a value the insns can deal with.
	(expand_epilogue): Ditto.

	Backport from 2012-03-12 mainline r185256.

	PR target/52499
	* config/avr/avr.c (avr_mode_code_base_reg_class): Change return
	type from reg_class_t to enum reg_class.
	* config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.

	Backport from 2012-03-12 mainline r185253.

	PR target/52148
	* config/avr/avr.c (avr_out_movmem): Fix typo in output template
	for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
	r184615 from 2012-02-28.

	Backport from 2012-03-08 mainline r185105.

	* config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
	for constants in [-63,63].

	Backport from 2012-03-08 mainline r185100.

	PR target/52496
	* config/avr/avr.c (avr_mem_clobber): New static function.
	(avr_expand_delay_cycles): Add memory clobber operand to
	delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
	* config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
	(enable_interrupt, disable_interrupt): New expander.
	(nopv, sleep, wdr): New expanders.
	(delay_cycles_1): Add memory clobber.
	(delay_cycles_2): Add memory clobber.
	(delay_cycles_3): Add memory clobber.
	(delay_cycles_4): Add memory clobber.
	(cli_sei): New insn from former "enable_interrupt",
	"disable_interrupt" with memory clobber.
	(*wdt): New insn from former "wdt" with memory clobber.
	(*nopv): Similar, but for "nopv".
	(*sleep): Similar, but for "sleep".

	Backport from 2012-03-07 mainline r185043.

	PR target/52484
	* config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.

	Backport from 2012-03-07 mainline r185032.

	PR target/52506
	* gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
	to: RAMPZ, RAMPY, RAMPX, RAMPD.
	(expand_prologue): Only clear RAMPZ if it has effect on RAM-read.

	Backport from 2012-03-07 mainline r185031.

	PR target/52505
	* config/avr/avr.c (avr_out_xload): Don't read unintentionally
	from RAM.
	* config/avr/avr.md (xload_8): Adjust insn length.

	Backport from 2012-03-07 mainline r185030.

	PR target/52461
	* gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
	if RAMPZ affects reading from RAM.

	Backport from 2012-03-05 mainline r184919.

	* config/avr/avr.md (*umaddqihi4.2): New insn-and-split.

2012-03-22  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline r185259.

	PR other/52545
	* output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
	SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.

2012-03-22  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2012-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/52577
	* c-parser.c (c_parser_postfix_expression)
	<case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.

	* config/i386/smmintrin.h: Avoid /* within a comment.
	* config/i386/nmmintrin.h: Likewise.

2012-03-22  Richard Guenther  <rguenther@suse.de>

	* BASE-VER: Set to 4.7.1.
	* DEV-PHASE: Set to prerelease.

2012-03-22  Release Manager

	* GCC 4.7.0 released.

2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, *-*-solaris2*): Improve wording.

2012-03-15  Jakub Jelinek  <jakub@redhat.com>
	    Andrew Pinski  <apinski@cavium.com>

	PR middle-end/52592
	* builtins.c (expand_builtin_int_roundingfn_2): If expanding
	BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
	calls instead of __builtin_ir{int,ound}*.

2012-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR c++/52582
	* config/rs6000/rs6000.c (call_ABI_of_interest): Return true
	if c_node is NULL.

2012-03-13  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi (-std=c99), doc/standards.texi (C language):
	Refer to GCC 4.7 version of c99status.html.

2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
	redefine to be NULL if the current bit-size is different from the
	configured bit-size.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): If the
	cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
	set the default tuning.  Add asserts to make sure the cpu and tune
	indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
	test whether the index is set, instead of > 0.
	(rs6000_file_start): Do not reset the default cpu if the current
	bit-size is different from the configured bit-size.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
	binutils reference.
	(Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
	Update binutils references.
	(Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
	Update binutils reference.
	Update Sun as/GNU ld caveat.
	Document binutils largefile requirement for LTO plugin.
	Remove reference to alternate libpthread.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
	reference.
	(Specific, mips-sgi-irix6): Likewise.

2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
	* configure: Regenerate.

2012-03-07  Richard Henderson  <rth@redhat.com>

	* config/m68k/m68k.h (ISA_HAS_TAS): New.
	* config/m68k/sync.md (atomic_test_and_set): Use it.
	(atomic_test_and_set_1): Likewise.

2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>

	PR target/51417
	* Makefile.in: Let install-gcc-ar depend on installdirs,
	gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
	Don't double canonicalize if cross-compiling.

2012-03-06  Aldy Hernandez  <aldyh@redhat.com>

	* trans-mem.c: New typedef for tm_region_p.
	Define vector types for tm_region_p.
	(tm_region_init): Replace region_worklist to a vector called
	bb_regions.

2012-03-06  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/52463
	* trans-mem.c (tm_region_init): Use last_basic_block.

2012-03-05  Richard Henderson  <rth@redhat.com>

	PR tree-opt/52242
	Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
	* omp-low.c (expand_omp_atomic): Assume anything aligned to
	BIGGEST_ALIGNMENT is aligned.

2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.

2012-03-05  Richard Henderson  <rth@redhat.com>

	PR target/52481
	* config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
	instead of calling negqi2 directly.

2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
	(INTMAX_TYPE): Use it.
	(UINTMAX_TYPE): Likewise.
	(SUBTARGET_OVERRIDE_OPTIONS): Define.
	(irix6_c_common_override_options): Declare.
	(C_COMMON_OVERRIDE_OPTIONS): Define.
	* config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
	* config/mips/irix6-c.c: New file.
	* config/mips/t-irix6 (irix6-c.o): New target.
	* config.gcc (mips-sgi-irix6.5): Set c_target_objs,
	cxx_target_objs.

2012-03-02  Richard Henderson  <rth@redhat.com>

	* optabs.c (expand_atomic_test_and_set): Honor
	atomic_test_and_set_trueval even when atomic_test_and_set
	optab is not in use.

2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.

2012-03-02  Richard Guenther  <rguenther@suse.de>

	* DEV-PHASE: Set to prerelease.

2012-03-01  Richard Earnshaw  <rearnsha@arm.com>

	* config.gcc (obsolete): Add all ARM targets using the FPA.
	(with_fpu): Obsolete selection of the FPA or Maverick on ARM.
	* doc/install.texi: Avoid references to obsolete ARM ports.

2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>

	* config/epiphany/epiphany.md (movmisalign<mode>): New patterns.

2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
	    Joern Rennecke  <joern.rennecke@embecosm.com>

	* doc/extend.texi: Expand and update information on interrupt
	attribute for Epiphany.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh-protos.h: Update copyright notice dates.
	* config/sh/sh.h: Likewise.
	* config/sh/sh.md: Likewise.
	* config/sh/constraints.md: Likewise.
	* config/sh/predicates.md: Likewise.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
	* config/sh/sh.c (tertiary_reload_operand): Likewise.

2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/constraints.md: Fix comment typo.

2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/52408
	* config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
	unsigned HOST_WIDE_INT.
	(zvdep_imm64): Likewise.
	(vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
	(vdepi_and): Likewise.
	Likewise for unamed 64-bit patterns.
	* config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.

2012-03-01  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/52001
	PR rtl-optimization/52417
	* cselib.c (cselib_any_perm_equivs): New variable.
	(cselib_reset_table): Check that it's not set when not
	preserving constants.
	(cselib_add_permanent_equiv): Set it.
	(cselib_have_permanent_equivalences): New.
	(cselib_init, cselib_finish): Reset it.
	* cselib.h (cselib_have_permanent_equivalences): Declare.
	* alias.c (get_addr): Restore earlier behavior when there
	aren't permanent equivalences.

2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>

	* config/mn10300/mn10300-modes.def: Fix copyright notice.
	* config/v850/v850-modes.def: Fix copyright notice.

2012-03-01  Georg-Johann Lay  <avr@gjlay.de>

	* doc/extend.texi (AVR Built-in Functions): Document
	__builtin_avr_flash_segment.

	* config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
	* config/avr/avr.md (flash_segment, flash_segment1): New expanders.
	(*split.flash_segment): New insn-and-split.
	* config/avr/avr.c (avr_init_builtins): Add local variables:
	const_memx_void_node, const_memx_ptr_type_node,
	char_ftype_const_memx_ptr.

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

	PR tree-optimization/52445
	* tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
	add ssa_name_ver, offset and size fields and change store field
	to bool.
	(name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
	(add_or_mark_expr): Likewise.  Only consider previous stores
	with the same size and offset.
	(nt_init_block): Only look at gimple_assign_single_p stmts,
	doesn't look at rhs2.

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

	PR middle-end/52443
	* tree-cfg.c (verify_gimple_assign_unary): Allow any
	conversions from integral types to pointer types.

2012-03-01  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
	defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
	unintentionally removed in r184616.

2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

	* doc/invoke.texi: Document AMD bdver2 and remove mentioning
	3DNow from bdver1.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	PR target/52437
	* config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
	alternatives, add "e" constraint to the new last alternative
	and ! to last 3 alternatives.

2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
	DW_AT_artificial attributes at the end of the processing.
	(gen_array_type_die): Likewise.
	(gen_enumeration_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(add_gnat_descriptive_type_attribute): Do not suppress debug info for
	the parent type.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/52419
	* expr.c (expand_assignment): If doing misaligned store that doesn't
	cover all mode bits, perform a RMW cycle.

	PR tree-optimization/52429
	* tree-parloops.c (separate_decls_in_region_debug): Return early
	if var is LABEL_DECL.

2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/52424
	* tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
	calling dom_thread_across_edge.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c: Move definition of TARGET macros to end of file.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
	* config/avr/avr.c (avr_output_bld): Remove unused function.
	(avr_out_sbxx_branch): Use "%T" to print bit position.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Untabify.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (eqne): New code iterator.
	(*dec-and-branchsi): Use it in text peephole's condition.
	(*dec-and-branchhi): Ditto.
	(*dec-and-branchqi): Ditto.

2012-02-29  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49939
	* config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
	the device does not have the skip-bug.

2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>

	* doc/invoke.texi (-msoft-atomic): Add more detailed description.
	(-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
	-mpretend-cmove): New.

2012-02-29  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/52397
	* df.h (struct df_d): Adjust comment that hard_regs_live_count
	doesn't count DEBUG_INSN refs.
	* df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
	for DEBUG_INSN refs.

2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	Partially revert:

	2012-02-20  Richard Guenther  <rguenther@suse.de>
	PR tree-optimization/52298
	* tree-vect-stmts.c (vectorizable_load): Properly use
	STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
	outer loops.

2012-02-28  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/51752
	* gimple.h (gimple_in_transaction): New.
	(gimple_set_in_transaction): New.
	(struct gimple_statement_base): Add in_transaction field.
	* tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
	transaction loads.
	(tree_ssa_lim_initialize): Compute transaction bits.
	* tree.h (compute_transaction_bits): Protoize.
	* trans-mem.c (tm_region_init): Use the heap to store BB
	auxilliary data.
	(compute_transaction_bits): New.

2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* gcc.c (display_help): Document --help=common and sort entries
	alphabetically.

2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/install.texi: Document check-$LANG specific shortcuts

2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	PR target/51534
	* config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
	and vcgtu.
	* config/arm/arm_neon.h: Regenerate.
	* config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
	(neon_vcgeu): New insn.
	(neon_vcgtu): Likewise.
	* config/arm/neon.ml (s_8_32, u_8_32): New lists.
	(ops): Unsigned comparison intrinsics call a different
	builtin.

2012-02-28  Richard Guenther  <rguenther@suse.de>

	PR target/52407
	* config/i386/i386.c (ix86_expand_vector_set): Fix element
	ordering for the VEC_CONCAT for two element vectors for
	V2SFmode, V2SImode and V2DImode.

2012-02-28  Richard Earnshaw  <rearnsha@arm.com>

	PR target/49448
	* config.gcc (arm*-*-linux*): Use an unambiguous pattern for
	detecting big-endian triplets.

2012-02-28  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
	mode if there is no type information available.

2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR tree-optimization/53207
	* doc/invoke.texi: Document as experimental and relying on graphite.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
	of initializer to changes from r184614.

2012-02-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52395
	* tree-sra.c (build_ref_for_offset): Also look at the base
	TYPE_ALIGN when figuring out the alignment of the replacement.

2012-02-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52402
	* ipa-prop.c (ipa_modify_call_arguments): Properly use
	mis-aligned types when creating the accesses at the call site.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/builtins.def: New file.
	* config/avr/t-avr (avr.o, avr-c.o): Depend on it.
	* config/avr/avr.c (enum avr_builtin_id): Use it.
	(avr_init_builtins): Use it. And use avr_bdesc.
	(bdesc_1arg): Remove.
	(bdesc_2arg): Remove.
	(bdesc_3arg): Remove.
	(struct avr_builtin_description): Add field n_args.
	(avr_bdesc): New static variable using builtins.def.
	(avr_expand_builtin): Use it.
	Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
	(avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
	Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

	PR target/52148
	* config/avr/avr.md (movmem_<mode>): Replace match_operand that
	match only one single hard register with respective hard reg rtx.
	(movmemx_<mode>): Ditto.
	* config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
	insn anatomy of movmem[x]_<mode>.
	(avr_out_movmem): Same for printing assembler and operand usage.

2012-02-28  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49868
	PR target/52261
	* doc/extend.texi (AVR Named Address Spaces): No more try to fix
	address spaces located outside of device flash.

	* config/avr/avr.h (base_arch_s): Remove field n_segments.
	(mcu_type_s): Add field n_flash.
	* config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
	Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
	(AVR_MCU): Add N_FLASH argument.
	* config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
	macro __FLASH<n> if that address space makes sense for the device.
	* config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
	outside of target flash.
	(avr_asm_named_section): Ditto.
	(avr_asm_select_section): Ditto.
	(avr_addr_space_convert): Ditto.
	(avr_emit_movmemhi): Ditto.
	(avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
	address space is outside of device flash.
	(avr_insert_attributes): Ditto.
	(avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
	avr_current_arch->n_segments.

2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/52352
	* config/i386/i386.md (*movabs<mode>_1): Enable only for
	TARGET_LP64.
	(*movabs<mode>_2): Likewise.

2012-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/52375
	* config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
	s_register_operand in the test instead of REG_P.  Don't call
	gen_reg_rtx if it won't be used.

	PR tree-optimization/52376
	* ipa-split.c (split_function): Ignore CLOBBER stmts.

2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>

	* ifcvt.c (noce_get_condition): Check condition variable is not
	small_register_classes_for_mode_p before accepting.

2012-02-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.

2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	Revert:
	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.

2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.

2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/predicates.md: Remove blank lines.
	* config/sh/sh.c: Fix typos in comments.
	* config/sh/constraints.md: Likewise.
	* config/sh/sh.md: Remove blank lines.
	Fix typos in comments.  Use ;; as comment characters.

2012-02-26  Walter Lee  <walt@tilera.com>

	* config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
	(replace_mov_pcrel_step2): Ditto.

2012-02-25  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/52001
	* alias.c (refs_newer_value_cb, refs_newer_value_p): New.
	(get_addr): Walk canonical value's locs.  Avoid returning VALUEs
	and locs that reference values newer than the non-canonical value
	at hand.  Return the canonical value as a worst case.
	(memrefs_conflict_p): Walk canonical value's locs.

	PR debug/52001
	* cselib.c (preserve_only_constants): Rename to...
	(preserve_constants_and_equivs): ... this.  Split out...
	(invariant_or_equiv_p): ... this.  Preserve plus expressions
	of other preserved expressions too.
	(cselib_reset_table): Adjust.
	* var-tracking.c (reverse_op): Use canonical value to build
	reverse operation.

2012-02-23  Kai Tietz  <ktietz@redhat.com>

	* config/i386/i386.c (ix86_delegitimize_address): Handle
	UNSPEC_PCREL plus displacement.

2012-02-24  Georg-Johann Lay  <avr@gjlay.de>

	PR target/52261
	* config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
	to test for unusedness in st X addressing.

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52361
	* gimple.c (walk_gimple_op): Use predicates with less redundant tests.
	(is_gimple_reg_type): Move inline ...
	* gimple.h (is_gimple_reg_type): ... here.

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52361
	* passes.c (execute_function_todo): When verifying SSA form
	verify gimple form first.
	* tree-ssa.c (verify_ssa): Do not verify gimple form here.

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52355
	* fold-const.c (fold_addr_of_array_ref_difference): New function.
	(fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.

2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-if-conv (predicate_scalar_phi): Commentary typo fix.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-phinodes.c (make_phi_node): Mark static.
	* tree-flow.h (make_phi_node): Remove extern decl.
	* doc/gimple.texi (make_phi_node): Remove documentation.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
	* tree-ssa-sccvn.c (print_scc): Ditto.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/passes.texi (Full redundancy elimination): Fix typo.

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.

2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>

	PR bootstrap/52287
	* haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.

2012-02-23  Uros Bizjak  <ubizjak@gmail.com>

	PR c/52290
	* c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.

2012-02-23  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (code_stdname): Add ior, xor.
	(xior): New code iterator.
	(*<code_stdname><mode>qi.byte0): Use xior instead of ior.
	(*<code_stdname><mode>qi.byte1-3): Ditto.

2012-02-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52019
	* ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
	CLOBBER stmts.

2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
	HAVE_INITFINI_ARRAY to work around namespace pollution in
	certain versions of newlib system headers.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.

2012-02-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52330
	* config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
	is not offsettable memory reference.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

	PR target/18145
	* config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
	setting avr_need_clear_bss_p for __gnu_lto* symbols.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
	* config/avr/avr.c (avr_accumulate_outgoing_args): Return int.

2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
	library on Solaris 8 even without TLS support.
	* configure: Regenerate.

2012-02-22  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52329
	* gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
	for GIMPLE_DEBUG stmts.

2012-02-22  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/51782
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
	according to the base object.

2012-02-22  Georg-Johann Lay  <avr@gjlay.de>

	PR rtl-optimization/50063
	* config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
	and 2 (8-bit SP) in operand 2.
	* config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
	setup to use movhi_sp_r instead of vanilla move to write SP.
	Adjust REG_CFA notes to superseed unspec.
	(expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
	of vanilla move.
	As function body might contain CLI or SEI: Use irq_state 0 (IRQ
	known to be off) only with TARGET_NO_INTERRUPTS. Never use
	irq_state 1 (IRQ known to be on) here.

2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>

	* ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
	WORDS_BIG_ENDIAN.
	* ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
	assign_hard_reg): Likewise.

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md
	(*dec-and-branchhi!=-1.d.clobber): New text peephole.
	(*dec-and-branchhi!=-1.l.clobber): New text peephole.

2012-02-21  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
	prototype from here to...
	* config/avr/avr.h: ...here.

2012-02-21  Richard Earnshaw  <rearnsha@arm.com>

	PR target/52294
	* thumb2.md (thumb2_shiftsi3_short): Split register and
	immediate shifts.  For register shifts tie operands 0 and 1.
	(peephole2 for above): Check that register-controlled shifts
	have suitably tied operands.

2012-02-21  Quentin Neill  <quentin.neill@amd.com>

	PR target/52137
	* config/i386/bdver1.md (bdver1_call, bdver1_push,
	bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
	bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
	bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
	bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
	bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
	bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
	bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
	bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
	bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
	bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
	bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
	bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
	bdver1_ssevector_avx256_unaligned_load,
	bdver1_ssevector_sse128_unaligned_load,
	bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
	bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
	bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
	bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
	bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
	bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
	bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
	bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
	bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
	bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
	bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
	bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
	bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
	bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
	bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
	bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
	bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
	bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
	bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
	bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
	bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
	bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
	bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
	bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
	bdver1_ssediv_double_load, bdver1_ssediv_double,
	bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
	Add "bdver2" attribute.

2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_option_override): Make -mhard-dfp the
	default if possible and not specified otherwise.

2012-02-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52314
	* gimplify.c (create_tmp_from_val): Use the main variant type
	for the type of the temporary we create.

2012-02-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52324
	* gimplify.c (gimplify_expr): When re-gimplifying expressions
	do not gimplify a MEM_REF address operand if it is already
	in suitable form.

2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
	TARGET_HARD_FLOAT with TARGET_HARD_DFP.

2012-02-21  Richard Guenther  <rguenther@suse.de>

	* tree-vect-stmts.c (vectorizable_load): Use pre-computed
	nested_in_vect_loop.

2012-02-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52318
	* gimple-fold.c (gimplify_and_update_call_from_tree): Add
	vdef also to non-pure/const call stmts in the sequence.

2012-02-20  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
	don't use the "rd %pc" instruction on v9 for PIC register loads.

2012-02-20  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/52141
	* trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
	in a transaction safe function.

2012-02-20  Kai Tietz  <ktietz@redhat.com>

	PR target/52238
	* stor-layout.c (place_field): Handle desired_align for
	ms-bitfields, too.

2012-02-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52298
	* tree-vect-stmts.c (vectorizable_store): Properly use
	STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
	outer loops.
	(vectorizable_load): Likewise.
	* tree-vect-data-refs.c (vect_analyze_data_ref_access):
	Access DR_STEP after ensuring it is not NULL.

2012-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52286
	* fold-const.c (fold_binary_loc): For (X & C1) | C2
	optimization use double_int_to_tree instead of build_int_cst_wide,
	rewrite to use double_int vars.

2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/50166
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
	Define _start.
	Remove -e 0 from $gcc_cv_ld invocation.
	Only use __GLIBC_PREREQ if defined.
	Enable on Solaris since Solaris 8 patch.
	(gcc_SUN_LD_VERSION): New macro.
	* configure.ac (ld_ver) <*-*-solaris2*>: Refer to
	gcc_SUN_LD_VERSION for version number format.
	* configure: Regenerate.
	* varasm.c (get_elf_initfini_array_priority_section): Set
	SECTION_NOTYPE for non-default priority.
	Use get_section instead of get_unnamed_section to emit
	.init_array/.fini_array with default priority.

2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
	(mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
	(mips_start_unique_function, mips_output_mips16_rdhwr)
	(mips_code_end): New functions.
	(TARGET_ASM_CODE_END): Define.

2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips16_build_call_stub): Add CFI information
	to stubs with non-sibling calls.

2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (-fira-* options): Copy-edit.
	(ira-* parameters): Copy-edit.

2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Minor copy-edits to bring into conformance with
	GCC coding conventions.

2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
	when used as adjectives.

2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Clean up "that"/"which" confusion.

2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>

	* system.h: Poison SMALL_REGISTER_CLASSES
	* config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
	* config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52285
	* tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
	when deciding if a call is a tail call or tail recursion.

2012-02-16  Kai Tietz  <ktietz@redhat.com>

	* config/i386/i386.c (legitimate_pic_address_disp_p): Allow
	interger-constant displacement for UNSPEC_PCREL.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52208
	* ira-costs.c (scan_one_insn): Don't decrease mem_cost
	for MEMs with REG_EQUIV, if the MEM isn't general_operand.

	PR tree-optimization/52255
	* tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
	loop->header has virtual PHI, but exit_e->dest doesn't, add
	virtual PHI to exit_e->dest and adjust all uses after the loop.

	PR debug/52260
	* dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
	children with clone_tree_hash, not after it.

2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
	extended identifiers.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51929
	* cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
	a same_body_alias, also test whether e->callee isn't a former
	or current clone of the decl this is a same body alias of.

	PR translation/52264
	* cgraphunit.c (verify_cgraph_node): Fix a typo.

2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.

2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/52199
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
	force_reg instead of copy_to_reg for better optimization.  Force
	non-register or memory operands into a register.

2012-02-15  Andrew MacLeod  <amacleod@redhat.com>

	* extend.texi: Reserve upper bits of memory model for future use.

2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
	    Anatoly Sokolov <aesok@post.ru>
	    Eric Weddington <eric.weddington@atmel.com>

	PR target/52261
	* config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
	avrxmega4, avrxmega5, avrxmega6, avrxmega7.
	Rewrite initializers for .macro.
	* config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
	avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
	atxmega32d4, atxmega32x1.
	avrxmega4: atxmega64a3, atxmega64d3.
	avrxmega5: atxmega64a1, atxmega64a1u.
	avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
	atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
	avrxmega7: atxmega128a1, atxmega128a1u.
	* config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
	ARCH_AVRXMEGA4,	ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
	(struct base_arch_s): Rename reserved to xmega_p.
	Rename reserved2 to have_rampd.
	(AVR_XMEGA): New define.
	(AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
	(AVR_HAVE_RAMPZ): Change definition to fit xmega.
	* config/avr/predicates.md (io_address_operand): Take into
	account SFR offset.
	(low_io_address_operand): Ditto.
	(high_io_address_operand): Ditto.
	* config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
	(enabled, movhi_sp_r): Use them.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
	cpp_define_formatted to built-in define __AVR_ARCH__.
	(__AVR_XMEGA__): New built-in define.
	(__AVR_HAVE_RAMPD__): New built-in define.
	(__AVR_HAVE_RAMPX__): New built-in define.
	(__AVR_HAVE_RAMPY__): New built-in define.
	(__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.

	* config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
	(avr_option_override): Initialize them.
	(sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
	(avr_init_expanders): Initialize them. No more block several calls.
	(emit_push_sfr): New static function.
	(avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
	Handle AVR_XMEGA.
	(expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
	(avr_print_operand): Print addreeses as symbols for
	RAMPX, RAMPY, RAMPD, CCP.
	(output_movhi): Handle AVR_XMEGA when writing to SP.
	(avr_out_movhi_mr_r_xmega): New static function.
	(out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
	(avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
	__RAMPD__,  __CCP__ as needed.

	* config/avr/multilib.h: Regenerate.
	* config/avr/t-multilib: Regenerate.
	* config/avr/avr-tables.opt: Regenerate.

2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>

	PR tree-optimization/50561
	* graphite-flattening.c (lst_project_loop): Do not
	remove old scattering dimensions after flattening.
	(lst_do_flatten): Likewise.

2012-02-15  Georg-Johann Lay  <avr@gjlay.de>

	* doc/extend.texi (AVR Built-in Functions): Remove doc for
	__builtin_avr_map8, __builtin_avr_map16.
	Document __builtin_avr_insert_bits.

	* config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
	(insert_bits): New insn.
	(adjust_len.map_bits): Rename to insert_bits.
	(UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
	* avr-protos.h (avr_out_map_bits): Remove.
	(avr_out_insert_bits, avr_has_nibble_0xf): New.
	* config/avr/constraints.md (Cxf,C0f): New.
	* config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
	defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
	New built-in define __BUILTIN_AVR_INSERT_BITS.
	* config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
	(enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
	(avr_move_bits): Rewrite.
	(avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
	functions.
	(avr_map_op_t): New typedef.
	(avr_map_op): New static variable.
	(avr_out_insert_bits, avr_has_nibble_0xf): New functions.
	(adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
	(avr_init_builtins): Add definition for __builtin_avr_insert_bits.
	(bdesc_3arg, avr_expand_triop_builtin): New.
	(avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
	(avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
	(avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
	(avr_map_equal_p, avr_map_sig_p): Remove.
	(avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
	(bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
	(adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
	(enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
	(avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
	(avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.

2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>

	* config/c6x/c6x.md (reserve_cycles): New attribute.
	* config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
	don't reserve functional units after the branch occurs.

2012-02-14  Aldy Hernandez  <aldyh@redhat.com>

	PR middle-end/52142
	* ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
	functions into non-tm_pure functions.

2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/52178
	* gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
	(iterative_hash_canonical_type): Likewise.
	* tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
	the dead edges.

2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>

	* haifa-sched.c (prune_ready_list): Ensure that if there is a
	sched-group insn, it either remains alone or the entire list is pruned.

2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/install.texi (Prerequisites): Fix grammar.
	(Configuration): Likewise.

2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
	MPC as part of GCC before describing configuring with --with-gmp etc.
	(Installing GCC: Configuration): --with-gmp etc. aren't needed if
	sources are present.

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

	PR debug/51950
	* dwarf2out.c (clone_tree_hash): New function.
	(copy_decls_walk): Use it instead of clone_tree.

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

	PR tree-optimization/52244
	PR tree-optimization/51528
	* tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
	replacements for integral types.

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.
