path: root/gcc/ChangeLog

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.

Copyright (C) 2015 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.