RTEMS: Use MULTILIB_REQUIRED for PowerPC

[gcc.git] / gcc / ChangeLog

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/rs6000/t-rtems: Use MULTILIB_REQUIRED instead of
	MULTILIB_EXCEPTIONS.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/t-rtems: Use MULTILIB_REQUIRED instead of
	MULTILIB_EXCEPTIONS.

2015-01-09  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config/arm/t-rtems-eabi: Rename to...
	* config/arm/t-rtems: ...this.
	* config/arm/rtems-eabi.h: Rename to...
	* config/arm/rtems.h: ...this.
	* config.gcc (arm*-*-rtems*): Reflect changes above.

2015-01-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/64410
	* tree-ssa.c (non_rewritable_lvalue_p): Allow REALPART/IMAGPART_EXPR
	on the LHS.
	(execute_update_addresses_taken): Deal with that.
	* tree-ssa-forwprop.c (pass_forwprop::execute): Use component-wise
	loads/stores for complex variables.

2015-01-09  Martin Liska  <mliska@suse.cz>

	* ipa-icf-gimple.c (func_checker::compare_ssa_name): Enhance SSA
	name comparison.
	(func_checker::compare_memory_operand): New function.
	(func_checker::compare_operand): Split case to newly
	added functions.
	(func_checker::compare_cst_or_decl): New function.
	(func_checker::compare_gimple_call): Identify
	memory operands.
	(func_checker::compare_gimple_assign): Likewise.
	* ipa-icf-gimple.h: New function.

2015-01-09  Martin Liska  <mliska@suse.cz>

	PR ipa/64503
	* sreal.c (sreal::dump): Change unsigned format to signed for
	m_exp value.
	(sreal::to_double): Replace exp2 with scalbln.

2015-01-09  Martin Liska  <mliska@suse.cz>

	* cgraphunit.c (cgraph_node::create_wrapper): Fix level of indentation.
	* ipa-icf.c (sem_function::equals_private): Add support for target and
	(sem_item_optimizer::merge_classes): Remove redundant function
	optimization flags comparison.
	* tree.h (target_opts_for_fn): New function.

2015-01-09  Tom de Vries  <tom@codesourcery.com>

	* omp-low.c (expand_omp_for_static_chunk): Fix assert.

2015-01-09  Kito Cheng  <kito@0xlab.org>

	PR rtl-optimization/64348
	* lra-constraints.c (split_reg): Fix caller-save store/restore
	instruction generation.

2015-01-08  John David Anglin  <danglin@gcc.gnu.org>

	PR gcov-profile/61790
	* gcov-tool.c (do_rewrite): Use strtoll instead of atoll if host has
	long long.  Fallback to int64_t if host doesn't have long long and
	use strtol if int64_t is long.  Otherwise, use sscanf for conversion.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/63989
	* params.def (PARAM_MAX_TRACKED_STRLENS): Increment default
	from 1000 to 10000.
	* tree-ssa-strlen.c (get_strinfo): Moved earlier.
	(get_stridx): If we don't have a record for certain SSA_NAME,
	but it is POINTER_PLUS_EXPR of some SSA_NAME we do with
	constant offset, call get_stridx_plus_constant.
	(get_stridx_plus_constant): New function.
	(zero_length_string): Don't use get_stridx here.

	PR target/55023
	PR middle-end/64388
	* dse.c (struct insn_info): Mention frame_read set also
	before reload for tail calls on some targets.
	(scan_insn): Revert 2014-12-22 change.  Set frame_read
	also before reload for tail calls if
	HARD_FRAME_POINTER_IS_ARG_POINTER.  Call add_wild_read
	instead of add_non_frame_wild_read for non-const/memset
	tail calls after reload.

2015-01-08  Jason Merrill  <jason@redhat.com>

	* ubsan.c (do_ubsan_in_current_function): New.
	(pass_ubsan::gate): Use it.
	* ubsan.h: Declare it.
	* convert.c (convert_to_integer): Use it.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/64338
	* config/i386/i386.c (ix86_expand_int_movcc): Don't reverse
	compare_code when it is unconditionally overwritten afterwards.
	Use ix86_reverse_condition instead of reverse_condition.  Don't
	change code if *reverse_condition* returned UNKNOWN and don't
	swap ct/cf and negate diff in that case.

2015-01-08  Mike Stump  <mikestump@comcast.net>

	* tsan.c (pass_tsan::gate): Add no_sanitize_thread support.
	(pass_tsan_O0::gate): Likewise.
	* extend.texi (Function Attributes): Add no_sanitize_thread
	documentation.

2015-01-08  Thomas Schwinge  <thomas@codesourcery.com>

	* builtins.def (DEF_GOMP_BUILTIN): Also consider flag_offload_abi
	for registering builtins.
	* config/i386/intelmic-mkoffload.c (prepare_target_image): Don't
	add -fopenmp to the argv_obstack used when invoking
	compile_for_target.

	* config/i386/intelmic-mkoffload.c (compile_for_target): Always
	add "-m32" or "-m64" to argv_obstack.
	(generate_host_descr_file): Likewise, when invoking host_compiler.
	(main): Always add "-m elf_i386" or "-m elf_x86_64" when invoking
	ld.

2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>

	* config/sh/sh-mem.cc: Use constant as second operand when emitting
	tstsi_t insns.

2015-01-08  Oleg Endo  <olegendo@gcc.gnu.org>

	PR target/55212
	* config/sh/sh.md (*addsi3_compact): Emit reg-reg copy instead of
	constant load if constant operand fits into I08.

2015-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/64336
	* tree.c (build2_stat): Fix up initialization of TREE_READONLY
	and TREE_THIS_VOLATILE for MEM_REFs.
	(build5_stat): Fix up initialization of TREE_READONLY and
	TREE_THIS_VOLATILE for TARGET_MEM_REFs.

2015-01-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/64533
	* config/sh/sh.md (*addsi3_compact): Use u constraint instead
	of r for the second alternative of the destination operand.

2015-01-07  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/36557
	* config/rs6000/rs6000.md (*eqsi3_ext<mode>, *nesi3_ext<mode>): New.

2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fvtable-verify]): Fix markup on option
	keywords.
	([-fivar-visibility], [-fvisibility]): Likewise.

2015-01-07  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Fix incorrect uses of @samp markup throughout
	the file where @code, @command, etc is more appropriate.

2015-01-06  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Tidy formatting
	of -mrecip= documentation.

2015-01-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/64505
	* config/rs6000/rs6000.c (rs6000_secondary_reload): Return the
	correct reload handler if -m32 -mpowerpc64 is used.

2015-01-06  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-tail-merge.c: Fix typo in struct same_succ_def comment.

2015-01-08  Christian Bruel  <christian.bruel@st.com>

	PR target/64507
	* config/sh/sh-mem.cc (sh_expand_cmpnstr): Check 0 length.

2015-01-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	PR tree-optimization/63259
	* tree-ssa-math-opts.c (pass_optimize_bswap::execute): Stop checking
	if optab exists for 16bit byteswap.

2015-01-06  Jakub Jelinek  <jakub@redhat.com>

	* opts.c (common_handle_option): Add support for
	-fno-sanitize=all and -f{,no-}sanitize-recover=all.
	* doc/invoke.texi: Document -fno-sanitize=all,
	-f{,no-}sanitize-recover=all.  Document that
	-fsanitize=float-cast-overflow is not enabled
	by -fsanitize=undefined.  Fix up documentation
	of -f{,no-}sanitize-recover.

2015-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	* config.gcc: Add Visium support.
	* configure.ac: Likewise.
	* configure: Regenerate.
	* doc/extend.texi (interrupt attribute): Add Visium.
	* doc/invoke.texi: Document Visium options.
	* doc/install.texi: Document Visium target.
	* doc/md.texi: Document Visium constraints.
	* common/config/visium: New directory.
	* config/visium: Likewise.

2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>

	* simplify-rtx.c (simplify_binary_operation_1): Handle more cases
	for the "(and X (ior (not X) Y) -> (and X Y)" transform.

2015-01-05  Segher Boessenkool  <segher@kernel.crashing.org>

	* combine.c (combine_validate_cost): Do not count the cost of a
	split I2 twice.  Do not display it twice in the dump, either.

2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>

	Revert parts of r219199.
	* doc/invoke.texi ([-Wliteral-suffix]): Restore markup on
	<inttypes.h>.
	([-Wtraditional]): Restore markup on <limits.h>.

2015-01-05  Trevor Saunders  <tsaunders@mozilla.com>

	PR c++/31397
	* doc/invoke.texi: Document -Wsuggest-override.

2015-01-05  Radovan Obradovic  <radovan.obradovic@imgtec.com>

	PR rtl-optimization/64287
	* toplev.c (HAVE_epilogue, HAVE_prologue): Provide default.
	(process_options): Disable flag_ipa_ra if profiling.

2015-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	* config/nds32/nds32-peephole2.md: Do not mention define_peephole.

2015-01-05  Max Filippov  <jcmvbkbc@gmail.com>

	* config/xtensa/xtensa.c (hwloop_optimize, hwloop_fail,
	hwloop_pattern_reg, xtensa_doloop_hooks, xtensa_reorg_loops):
	put under #if TARGET_LOOPS guard.

2015-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (output_387_binary_op): Use std::swap.

2015-01-05  Oleg Endo  <olegendo@gcc.gnu.org>

	* rtlanal.c (refers_to_regno_p): Change return value from int to bool.
	* rtl.h (refers_to_regno_p): Add overload.
	* cse.c: Use it.
	* bt-load.c: Likewise.
	* combine.c: Likewise.
	* df-scan.c: Likewise.
	* sched-deps.c: Likewise.
	* config/s390/s390.c: Likewise.
	* config/m32r/m32r.c: Likewise.
	* config/rs6000/spe.md: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/pa/pa.c: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/cris/cris.c: Likewise.
	* config/arc/arc.md: Likewise.
	* config/arc/arc.c: Likewise.
	* config/sh/sh.md: Likewise.
	* config/sh/sh.c: Likewise.
	* config/frv/frv.c: Likewise.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR sanitizer/64265
	* gimplify.c (gimplify_function_tree): Add TSAN_FUNC_EXIT internal
	call as cleanup of the whole body.
	* internal-fn.def (TSAN_FUNC_EXIT): New internal call.
	* tsan.c (replace_func_exit): New function.
	(instrument_func_exit): Moved earlier.
	(instrument_memory_accesses): Adjust TSAN_FUNC_EXIT internal calls.
	Call instrument_func_exit if no TSAN_FUNC_EXIT internal calls have
	been found.
	(tsan_pass): Don't call instrument_func_exit.
	* internal-fn.c (expand_TSAN_FUNC_EXIT): New function.
	* tree-inline.c (copy_bb): Drop TSAN_FUNC_EXIT internal calls during
	inlining.

	PR sanitizer/64344
	* ubsan.h (ubsan_instrument_float_cast): Add ARG argument.
	* ubsan.c (ubsan_instrument_float_cast): Add ARG argument, pass
	it to libubsan handler instead of EXPR.  Fold comparisons earlier,
	if the result is integer_zerop, return NULL_TREE.
	* convert.c (convert_to_integer): Pass expr as ARG.

	PR tree-optimization/64465
	* tree-inline.c (redirect_all_calls): During inlining
	clean up EH stmts and EH edges if redirect_call_stmt_to_callee
	changed the stmt to a non-throwing call.

2015-01-05  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi: Fix incorrect uses of @code, @option, @samp,
	etc markup throughout the file.

2015-01-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	Enable experimental TSAN support for Ada.
	* tsan.c (instrument_expr): Handle VIEW_CONVERT_EXPR.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/64494
	* tree-ssa-loop-im.c (move_computations_dom_walker::before_dom): Also
	clear SSA_NAME_ANTI_RANGE_P flag.

2015-01-05  Marek Polacek  <polacek@redhat.com>

	* doc/extend.texi (Arrays of Length Zero): Add missing comma.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gcc.c (process_command): Update copyright notice dates.
	* gcov-dump.c: Ditto.
	* gcov.c: Ditto.
	* doc/cpp.texi: Bump @copying's copyright year.
	* doc/cppinternals.texi: Ditto.
	* doc/gcc.texi: Ditto.
	* doc/gccint.texi: Ditto.
	* doc/gcov.texi: Ditto.
	* doc/install.texi: Ditto.
	* doc/invoke.texi: Ditto.

	* auto-profile.c, auto-profile.h: Fix up Copyright line.

2015-01-04  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fsized-deallocation]): Copy-edit to fix
	verb tense, etc.
	([-fvtable-verify], [-fvtv-debug]): Likewise.
	([-Wabi]): Likewise.
	([-fmessage-length]): Likewise.
	([-Wsuggest-final-types], [-Wsuggest-final-methods]): Likewise.
	([-Wno-discarded-qualifiers]): Likewise.
	([-Wnodiscarded-array-qualifiers]): Likewise.
	([-Wno-virtual-move-assign]): Likewise.
	([-fsanitize=address], [-fsanitize=thread]): Likewise.
	([-fsanitize=leak], [-fsanitize=undefined]): Likewise.
	([-fsanitize=unreachable], [-fsanitize-recover]): Likewise.
	([-fsanitize-undefined-trap-on-error]): Likewise.
	([-floop-interchange]): Likewise.
	([-ftree-coalesce-inlined-vars]): Likewise.
	([-fvect-cost-model]): Likewise.
	([-flto]): Likewise.
	([--param]): Likewise.
	(Spec Files): Likewise.
	([-mstrict-align]): Likewise.
	([-mfix-cortex-a53-835769]): Likewise.
	([-march], [-mtune]): Likewise.
	([-mpic-register]): Likewise.
	([-munaligned-access]): Likewise.
	([-msp8]): Likewise.
	(EIND and Devices with more than 128 Ki Bytes of Flash): Likewise.
	(AVR Built-in Macros): Likewise.
	([-mpreferred-stack-boundary]): Likewise.
	([-mtune-crtl]): Likewise.
	([-mashf]): Likewise.
	([-mmcu=]): Likewise.
	([-minrt]): Likewise.
	([-maltivec], [-maltivec=be], [-maltivec=le]): Likewise.
	([-mupper-regs]): Likewise.
	([-matomic-model]): Likewise.
	([-mdiv]): Likewise.
	([-mzdcbranch]): Likewise.
	([-mdisable-callt]): Likewise.
	([-msoft-float]): Likewise.
	([-m8byte-align]): Likewise.
	([-fstack-reuse]): Likewise.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fprofile-generate], [-fprofile-use]):
	Fix markup, light copy-editing.
	([-fauto-profile]): Rewrite to fix formatting and content
	problems.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fisolate-erroneous-paths-dereference]):
	Copy-edit description.
	([-fisolate-erroneous-paths-attribute]): Likewise.
	* common.opt (fisolate-erroneous-paths-dereference):
	Copy-edit description.
	(fisolate-erroneous-paths-attribute): Likewise.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fsemantic-interposition]): Fix typos and
	tidy grammar.

2015-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fplan9-extensions]): Add/fix @opindex.
	([-fvtv-debug]): Likewise.
	([-Wc++-compat]): Likewise.
	([-Wc++11-compat]): Likewise.
	([-Wc++14-compat]): Likewise.
	([-Wno-sized-deallocation]): Likewise.
	([-femit-class-debug-always]): Likewise.
	([-femit-struct-debug-detailed]): Likewise.
	([-fno-keep-inline-dllexport]): Likewise.
	([-fira-algorithm]): Likewise.
	([-fira-region]): Likewise.
	([-flra-remat]): Likewise.
	([-fipa-ra]): Likewise.
	([-fhoist-adjacent-loads]): Likewise.
	([-fisolate-erroneous-paths-dereference]): Likewise.
	([-fisolate-erroneous-paths-attribute]): Likewise.
	([-ftree-switch-conversion]): Likewise.
	([-ftree-tail-merge]): Likewise.
	([-ftree-loop-if-convert]): Likewise.
	([-ftree-loop-if-convert-stores]): Likewise.
	([-ftree-loop-distribution]): Likewise.
	([-ftree-loop-distribute-patterns]): Likewise.
	([-flto-compression-level]): Likewise.
	([-flto-report]): Likewise.
	([-flto-report-wpa]): Likewise.
	([-fuse-linker-plugin]): Likewise.
	([-mfix-cortex-a53-835769]): Likewise.
	([-mno-fix-cortex-a53-835769]): Likewise.
	([-mmmx]...[-mno-3dnow]): Remove the -mno- forms from the
	explicit listing; add a note to the discussion indicating they
	exist.  Reorder table to group similar options.  Add missing
	@opindex entries.  Add @need commands throughout the table to
	allow it to be split across multiple pages.
	([-m8bit-idiv]): Fix @opindex.
	([-mavx256-split-unaligned-load]): Likewise.
	([-mavx256-split-unaligned-store]): Likewise.
	([-mstack-protector-guard]): Likewise.
	([-mcpu=]): Likewise.
	([-mcpu]): Likewise.
	([-mpointer-size=]): Likewise.

2015-01-03  John David Anglin  <danglin@gcc.gnu.org>

	* config/pa/pa.md (decrement_and_branch_until_zero): Use `Q' constraint
	instead of `m' constraint.  Likewise for unnamed movb comparison
	patterns using reg_before_reload_operand predicate.
	* config/pa/predicates.md (reg_before_reload_operand): Tighten
	predicate to reject register index and LO_SUM DLT memory forms
	after reload.

2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Option Summary): Fix spelling of
	-fdevirtualize-at-ltrans.
	([-fdevirtualize]): Fix markup.
	([-fdevirtualize-speculatively]): Fix typo.
	([-fdevirtualize-at-ltrans]): Likewise.  Make description less
	implementor-speaky.
	* common.opt (fdevirtualize-at-ltrans): Likewise.
	* ipa-devirt.c: Fix typos in comments throughout the file.
	(ipa_devirt): Fix typos in format strings for dump output.

2015-01-02  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi ([-fopt-info]): Fix markup, consolidate
	discussion of defaults, light copy-editing.

2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	* tsan.c (instrument_expr): corrected previous checkin.

2015-01-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

	Instrument bit field and unaligned accesses for TSAN.
	* sanitizer.def (BUILT_IN_TSAN_READ_RANGE): New built-in function.
	(BUILT_IN_TSAN_WRITE_RANGE): New built-in function.
	* tsan.c (instrument_expr): Handle COMPONENT_REF and BIT_FIELD_REF.
	Use BUILT_IN_TSAN_READ_RANGE and BUILT_IN_TSAN_WRITE_RANGE for
	unaligned memory regions.

2015-01-01  Anthony Green  <green@moxielogic.com>

	* config/moxie/predicates.md (moxie_general_movsrc_operand):
	Restrict move source register offsets to 16 bits.
\f
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