* fold-const.c (round_up_loc): Cast divisor to HOST_WIDE_INT before
	negating it.

	* tree-sra.c (pa_sra_preliminary_function_checks): Fix typo in message.

From-SVN: r221159

call0 is an ABI that doesn't use register windows.

2015-03-03  Max Filippov  <jcmvbkbc@gmail.com>

gcc/
	* config/xtensa/constraints.md ("a" constraint): Include stack
	pointer in case of call0 ABI.
	("q" constraint): Make empty in case of call0 ABI.
	("D" constraint): Include stack pointer in case of call0 ABI.
	* config/xtensa/xtensa-protos.h (xtensa_set_return_address,
	xtensa_expand_epilogue, xtensa_regno_to_class): Add new function
	prototypes.
	* config/xtensa/xtensa.c (xtensa_callee_save_size): New
	variable.
	(xtensa_regno_to_class): Make it a local variable in the
	function xtensa_regno_to_class.
	(xtensa_function_epilogue, TARGET_ASM_FUNCTION_EPILOGUE): Remove
	macro, function prototype and implementation.
	(reg_nonleaf_alloc_order): Make it a local variable in the
	function order_regs_for_local_alloc.
	(xtensa_conditional_register_usage): New function.
	(TARGET_CONDITIONAL_REGISTER_USAGE): Define macro.
	(xtensa_valid_move): Allow direct moves to stack pointer
	register in call0 ABI.
	(xtensa_setup_frame_addresses): Only spill register windows in
	windowed ABI.
	(xtensa_emit_call): Emit call(x)8 or call(x)0 in windowed and
	call0 ABI respectively.
	(xtensa_function_arg_1): Only mark a7 register for copying in
	windowed ABI.
	(xtensa_call_save_reg): New function.
	(compute_frame_size): Add space for callee saved register
	storage to the frame size in call0 ABI.
	(xtensa_expand_prologue): Generate code to set up stack frame
	and save callee-saved registers in call0 ABI.
	(xtensa_expand_epilogue): New function.
	(xtensa_set_return_address): New function.
	(xtensa_return_addr): Calculate return address in call0 ABI.
	(xtensa_builtin_saveregs): Only mark a7 register for copying and
	emit copying code in windowed ABI.
	(order_regs_for_local_alloc): Add preferred register allocation
	order for non-leaf function in call0 ABI.
	(xtensa_static_chain): Add atatic chain passing for call0 ABI.
	(xtensa_asm_trampoline_template): Add trampoline generation for
	call0 ABI.
	(xtensa_trampoline_init): Add trampoline initialization for
	call0 ABI.
	(xtensa_conditional_register_usage, xtensa_regno_to_class): New
	functions.
	* config/xtensa/xtensa.h (TARGET_WINDOWED_ABI): New macro.
	(TARGET_CPU_CPP_BUILTINS): Add built-in define for call0 ABI.
	(CALL_USED_REGISTERS): Modify to encode both windowed and call0
	ABI call-used registers.
	(HARD_FRAME_POINTER_REGNUM): Add frame pointer for call0 ABI.
	(INCOMING_REGNO, OUTGOING_REGNO): Use argument unchanged in
	call0 ABI.
	(REG_CLASS_CONTENTS): Include all registers into the preferred
	reload registers set, adjust the set in the
	xtensa_conditional_register_usage.
	(xtensa_regno_to_class): Drop variable declaration.
	(REGNO_REG_CLASS): Redefine to use xtensa_regno_to_class
	function.
	(WINDOW_SIZE): Define as 8 or 0 for windowed and call0 ABI
	respectively.
	(FUNCTION_PROFILER): Add _mcount call for call0 ABI.
	(TRAMPOLINE_SIZE): Define trampoline size for call0 ABI.
	(RETURN_ADDR_IN_PREVIOUS_FRAME): Define to 0 in call0 ABI.
	(ASM_OUTPUT_POOL_PROLOGUE): Always generate literal pool
	location in call0 ABI.
	(EH_RETURN_STACKADJ_RTX): New definition, use a10 for passing
	stack adjustment size when handling exception.
	(CRT_CALL_STATIC_FUNCTION): Add definition for call0 ABI.
	* config/xtensa/xtensa.md (A9_REG, UNSPECV_BLOCKAGE): New
	definitions.
	("return" pattern): Generate ret.n/ret in call0 ABI.
	("epilogue" pattern): Expand epilogue.
	("nonlocal_goto" pattern): Use default in call0 ABI.
	("eh_return" pattern): Move implementation to eh_set_a0_windowed,
	emit eh_set_a0_* depending on ABI.
	("eh_set_a0_windowed" pattern): Former eh_return pattern.
	("eh_set_a0_call0", "blockage"): New patterns.

libgcc/
	* config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
	__xtensa_nonlocal_goto): Don't compile for call0 ABI.
	(__xtensa_sync_caches): Only use entry and retw in windowed ABI,
	use ret in call0 ABI.
	* config/xtensa/t-windowed: New file.
	* libgcc/config/xtensa/t-xtensa (LIB2ADDEH): Move to t-windowed.
	* libgcc/configure: Regenerated.
	* libgcc/configure.ac: Check if xtensa target is configured for
	windowed ABI and thus needs to use custom unwind code.

From-SVN: r221158

	PR ipa/65287
	* gcc.dg/ipa/pr65287.c: New test.

From-SVN: r221157

	PR ipa/65287
	* ipa-icf.c (sem_variable::parse): Skip all alias variables.
	* gcc.dg/ipa/pr65287.c: New test.

From-SVN: r221156

2015-03-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR 65138/target
	* config/rs6000/rs6000-tables.opt: Regenerate table.

From-SVN: r221155

	* MAINTAINERS: Remove Paul Brook as a Fortran and ARM
	maintainer.
	Remove Richard Henderson as a maintainer for the x86 port.

From-SVN: r221154

2015-03-03  Renlin Li  <renlin.li@arm.com>

gcc/

	* doc/md.texi (@item ^): ChangeLog ? into ^.

From-SVN: r221152

	* doc/tm.texi: Regenerated.

From-SVN: r221151

This allows a target to support both windowed and non-windowed ABI.

2015-03-03  Max Filippov  <jcmvbkbc@gmail.com>

gcc/
	* builtins.c (expand_builtin_return_addr): Add
	RETURN_ADDR_IN_PREVIOUS_FRAME to 'if' condition, remove
	surrounding #ifdef.
	* config/sparc/sparc.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Change
	definition to 1.
	* config/xtensa/xtensa.h (RETURN_ADDR_IN_PREVIOUS_FRAME):
	Likewise.
	* defaults.h (RETURN_ADDR_IN_PREVIOUS_FRAME): Define to 0 if
	undefined.
	* doc/tm.texi.in (RETURN_ADDR_IN_PREVIOUS_FRAME): Update
	paragraph.

From-SVN: r221150

2015-03-03  Joern Rennecke  <gnu@amylaar.uk>

        * MAINTAINERS (CPU Port Maintainers): Update my email address.

From-SVN: r221149

2015-03-03  Martin Jambor  <mjambor@suse.cz>
            Eric Botcazou  <ebotcazou@adacore.com>

gcc/
        * tree-sra.c (ipa_sra_check_caller_data): New type.
        (has_caller_p): Removed.
        (ipa_sra_check_caller): New function.
        (ipa_sra_preliminary_function_checks): Use it.

gcc/changelog/
        * gnat.dg/specs/pack12.ads: New test.



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

From-SVN: r221148

	* ipa-icf.c (sem_item_optimizer::merge_classes): Use bit or
	instead of if branch.

From-SVN: r221147

Fix PR ipa/65282.

	* gcc.dg/ipa/PR65282.c: New test.
	PR ipa/65282
	* ipa-icf.c (sem_variable::equals): Fix wrong condition.

From-SVN: r221146

re PR tree-optimization/65241 (ICE (in remove_local_expressions_from_table, at tree-ssa-dom.c:1081))

	PR tree-optimization/65241
	* tree-ssa-dom.c (lookup_avail_expr): Only modify the avail_expr
	hash table if INSERT is true.

	PR tree-optimization/65241
	* gcc.c-torture/compile/pr65241.c: New test.

From-SVN: r221145

	PR target/65296
	* config.gcc (extra_gcc_objs) [avr-*-rtems*]: Remove.

From-SVN: r221144

gcc/
	PR target/64331
	* config/avr/avr.c (context.h, tree-pass.h): Include them.
	(avr_pass_data_recompute_notes): New static variable.
	(avr_pass_recompute_notes): New class.
	(avr_register_passes): New static function.
	(avr_option_override): Call it.
gcc/testsuite/
	PR target/64331
	* gcc.target/avr/torture/pr64331.c: New test.

From-SVN: r221143

gcc/
	Fix various problems with specs file generation.
	PR target/65296
	* config.gcc (extra_gcc_objs) [avr]: Remove.
	* config/avr/driver-avr.c: Remove file.
	* config/avr/t-avr (driver-avr.o): Remove rule.
	(gen-avr-mmcu-specs): Use CXX_FOR_BUILD, CXXFLAGS_FOR_BUILD and
	INCLUDES to build.  Depend on TM_H.
	* config/avr/gen-avr-mmcu-specs.c: Tidy up code.  Fix various
	build warnings.  Fix non-matching types and non-existing %-codes.
	(tm.h): Include.
	(*lib) [!WITH_AVRLIBC]: Don't link libdev.a.
	(*libgcc) [WITH_AVRLIBC]: Add "-lm".
	* config/avr/avrlibc.h (LIBGCC_SPEC): Remove definition.
	* config/avr/avr.h (DRIVER_SELF_SPECS): Fix handling of -march=.
	(CPP_SPEC, CC1PLUS_SPEC, ASM_SPEC, LINK_SPEC, LIB_SPEC)
	(LIBGCC_SPEC): Remove definitions.

From-SVN: r221141

	* config/ia64/ia64.c (expand_vec_perm_interleave_2): Use gen_raw_REG
	to create a register in testing mode.

From-SVN: r221139

re PR target/65263 (ICE (error: unrecognizable insn / in insn_min_length, at config/rs6000/rs6000.md) on powerpc64le-linux-gnu)

Fix PR ipa/65263.

	PR ipa/65263
	* cgraph.c (cgraph_node::has_thunk_p): New function.
	* cgraph.h (cgraph_node::has_thunk_p: Likewise.
	* ipa-icf.c (redirect_all_callers): Do not redirect thunks.
	(sem_function::merge): Assert is changed.
	* g++.dg/ipa/pr65263.C: New test.


Co-Authored-By: Jan Hubicka <hubicka@ucw.cz>

From-SVN: r221134

Fix PR ipa/65087.

	PR ipa/65087
	* ipa-icf.c (sem_item_optimizer::execute): Change function
	return value to boolean.
	(sem_item_optimizer::merge_classes): Likewise.
	(ipa_icf_driver): Return TODO_remove_functions in case there's
	a merge operation processed.
	* ipa-icf.h: Change function return value to boolean.


Co-Authored-By: Martin Jambor <mjambor@suse.cz>

From-SVN: r221133

2015-03-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR 65138/target
	* config/rs6000/rs6000-cpus.def (powerpc64le): Add new generic
	processor type for 64-bit little endian PowerPC.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): If
	-mdebug=reg, print TARGET_DEFAULT.  Fix logic to use
	TARGET_DEFAULT if there is no default cpu.  Fix -mdebug=reg
	printing built-in mask so it does not pass NULL pointers.

	* doc/invoke.texi (IBM RS/6000 and PowerPC options): Document
	-mcpu=powerpc64le.

From-SVN: r221132

From-SVN: r221131

re PR target/58158 (ICE with conditional moves on GPRs with a floating point conditional on mipsel with loongson2f)

2015-03-02  Steve Ellcey  <sellcey@imgtec.com>

	PR target/58158
	* config/mips/mips.md (mov<mode>cc): Change ISA_HAS_SEL check to
	!ISA_HAS_FP_CONDMOVE.

From-SVN: r221128

	* config/i386/i386.md (*udivmod<mode>4_pow2): Remove
	reload_completed.

From-SVN: r221127

        * doc/invoke.texi (Options for Code Generation Conventions):
        Fix URL of DSO paper.

From-SVN: r221125

	PR ipa/65130
	* ipa-inline.c (check_callers): Looks for recursion.
	(inline_to_all_callers): Give up on uninlinable or recursive edges.
	* ipa-inline-analysis.c (inline_summary_t::duplicate): Do not update
	summary of inline clones.
	(do_estimate_growth_1): Fix recursion check.

	* gcc.dg/lto/pr65130_0.c: New testcase.
	* gcc.dg/lto/pr65130_1.c: New testcase.

From-SVN: r221124

re PR ipa/64988 (ICE: verify_cgraph_node failed: Alias and target's comdat groups differs with -fdeclone-ctor-dtor)


	PR ipa/64988
	* ipa-inline-transform.c (clone_inlined_nodes): Do not dissolve
	comdat groups.
	* g++.dg/torture/pr64988.C: New testcase.

From-SVN: r221123

2015-03-02  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_atomic): Properly check for coarrayness
        and for being coindexed.

2015-03-02  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/coarray_atomic_6.f90: New.

From-SVN: r221122

	PR lto/65276
	* ipa-devirt.c (add_type_duplicate): Remove odr_violated assert
	when checking TYPE_BINFO.

Co-Authored-By: Aldy Hernandez <aldyh@redhat.com>

From-SVN: r221121

	PR libgcc/64885
	* gthr-single.h: Use __unused__ attribute instead of unused.
	* config/gthr-vxworks.h: Likewise.
	* config/i386/gthr-win32.h: Likewise.

From-SVN: r221120

	PR libstdc++/65279
	* include/std/scoped_allocator (__inner_type_impl,
	scoped_allocator_adaptor): Add defaulted copy assignment and move
	assignment operators.
	* testsuite/20_util/scoped_allocator/65279.cc: New.

From-SVN: r221119

	PR libstdc++/64367
	* include/std/stdexcept (__sso_string): Don't use non-static member
	in sizeof.

From-SVN: r221118

2015-03-02  Richard Biener  <rguenther@suse.de>

	PR ipa/65270
	* ipa-icf-gimple.c: Include builtins.h.
	(func_checker::compare_memory_operand): Compare base alignment.

From-SVN: r221117

2015-03-02  Robert Dewar  <dewar@adacore.com>

	* scng.adb (Scan): Ignore illegal character in relaxed
	semantics mode.

2015-03-02  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Analyze_Set_Membership); Retain Overloaded flag
	on left operand, so it can be properly resolved with type of
	alternatives of right operand.
	* sem_res.adb (Resolve_Set_Membership): Handle properly an
	overloaded left-hand side when the alternatives on the right
	hand side are literals of some universal type.	Use first
	non-overloaded alternative to find expected type.

2015-03-02  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch7.adb (Make_Set_Finalize_Address_Call): Use underlying
	type to retrieve designated type, because the purported access
	type may be a partial (private) view, when it is declared in
	the private part of a nested package, and finalization actions
	are generated when completing compilation of enclosing unit.

From-SVN: r221116

2015-03-02  Robert Dewar  <dewar@adacore.com>

	* back_end.adb (Call_Back_End): Remove previous patch,
	the back end now gets to see the result of -gnatd.1
	(Unnest_Subprogram_Mode) processing.
	* elists.ads, elists.adb (List_Length): New function.
	* exp_unst.ads, exp_unst.adb: Major changes, first complete version.
	* sem_util.adb (Check_Nested_Access): Handle formals in
	Unnest_Subprogram_Mode.
	(Adjust_Named_Associations): Minor reformatting.
	* sprint.adb (Sprint_Node_Actual): Fix failure to print aliased
	for parameters.

From-SVN: r221115

2015-03-02  Robert Dewar  <dewar@adacore.com>

	* atree.ads, atree.adb (Uint24): New function
	(Set_Uint24): New procedure.
	* atree.h (Uint24): New macro for field access.
	* back_end.adb (Call_Back_End): For now, don't call back end
	if unnesting subprogs.
	* einfo.adb (Activation_Record_Component): New field
	(Subps_Index): New field.
	* einfo.ads (Activation_Record_Component): New field
	(Subps_Index): New field Minor reordering of comments into alpha order.
	* exp_unst.ads, exp_unst.adb: Continued development.

2015-03-02  Gary Dismukes  <dismukes@adacore.com>

	* exp_disp.ads: Minor reformatting.

2015-03-02  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Chain_Use_Clause): Do not chain use clause from
	ancestor to list of use clauses active in descendant unit if we
	are within the private part of an intervening parent, to prevent
	circularities in use clause list.

From-SVN: r221114

exp_ch9.adb (Build_Corresponding_Record): Propagate type invariants to the corresponding record type.

2015-03-02  Javier Miranda  <miranda@adacore.com>

	* exp_ch9.adb (Build_Corresponding_Record): Propagate type
	invariants to the corresponding record type.
	* exp_disp.ad[sb] (Set_DT_Position_Value): New subprogram
	which sets the value of the DTC_Entity associated with a given
	primitive of a tagged type and propagates the value to the
	wrapped subprogram.
	(Set_DTC_Entity_Value): Propagate the DTC
	value to the wrapped entity.
	* sem_ch13.adb (Build_Invariant_Procedure): Append the code
	associated with invariants of progenitors.
	* sem_ch3.adb (Build_Derived_Record_Type): Inherit type invariants
	of parents and progenitors.
	(Process_Full_View): Check hidden inheritance of class-wide type
	invariants.
	* sem_ch7.adb (Analyze_Package_Specification): Do not generate
	the invariant procedure for interface types; build the invariant
	procedure for tagged types inheriting invariants from their
	progenitors.
	* sem_prag.adb (Pragma_Invariant) Allow invariants in interface
	types but do not build their invariant procedure since their
	invariants will be propagated to the invariant procedure of
	types covering the interface.
	* exp_ch6.adb, exp_disp.adb, sem_ch3.adb, sem_ch7.adb,
	sem_ch8.adb, sem_disp.adb: Replace all calls to Set_DT_Position
	by calls to Set_DT_Position_Value.

From-SVN: r221113

2015-03-02  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Factor out heavily indented
	code in Denote_Same_Function.  Do not analyze attribute 'Result
	when it is inside procedure _Postconditions.  Remove a misplaced
	warning diagnostic. Code cleanup.
	(Denote_Same_Function): New routine.
	* sem_prag.adb (Analyze_Contract_Cases_In_Decl_Part): Code
	cleanup. Warn on pre/postconditions on an inlined subprogram.
	(Analyze_Pragma, Refined_Post case): Warn on pre/postconditions on
	an inlined subprogram.
	(Analyze_Pre_Post_Condition_In_Decl_Part): Code cleanup. Warn on
	pre/post condition on an inlined subprogram.
	(Analyze_Test_Case_In_Decl_Part): Code cleanup. Warn on
	pre/postconditions on an inlined subprogram.
	(Check_Postcondition_Use_In_Inlined_Subprogram): New routine.

From-SVN: r221112

2015-03-02  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Ensure_Aggregate_Form):
	Ensure that the name denoted by the Chars of a pragma argument
	association has the proper Sloc when converted into an aggregate.

2015-03-02  Bob Duff  <duff@adacore.com>

	* sem_ch6.adb (Check_Private_Overriding): Capture
	Incomplete_Or_Partial_View in a constant. This is cleaner and
	more efficient.

2015-03-02  Gary Dismukes  <dismukes@adacore.com>

	* einfo.ads, exp_unst.ads: Minor reformatting.

2015-03-02  Ed Schonberg  <schonberg@adacore.com>

	* a-strsea.adb (Find_Token): Ensure that the range of iteration
	does not perform any improper character access. This prevents
	erroneous access in the unusual case of an empty string target
	and a From parameter less than Source'First.

2015-03-02  Robert Dewar  <dewar@adacore.com>

	* elists.adb (List_Length): Fix incorrect result.

From-SVN: r221111

2015-03-02  Bob Duff  <duff@adacore.com>

	* sem_ch6.adb (Check_Private_Overriding): Refine the legality
	checks here. It used to check that the function is merely
	overriding SOMEthing. Now it checks that the function is
	overriding a corresponding public operation. This is a correction
	to the implementation of the rule in RM-3.9.3(10).

From-SVN: r221110