Evaluate side-effects in expand_ifn_va_arg_1

2015-04-28  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/65818
* tree-stdarg.c (expand_ifn_va_arg_1): Ensure that side-effects are
evaluated.

From-SVN: r222509

remove #if ARGS_GROW_DOWNWARD

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* calls.c (save_fixed_argument_area): Don't check
ARGS_GROW_DOWNWARD with the preprocessor.
(restore_fixed_argument_area): Likewise.
(mem_overlaps_already_clobbered_arg_p): Likewise.
(check_sibcall_argument_overlap): Likewise.
(expand_call): Likewise.
(emit_library_call_value_1): Likewise.
(store_one_arg): Likewise.
* function.c (assign_parms): Likewise.
(locate_and_pad_parm): Likewise.
(pad_to_arg_alignment): Likewise.
* targhooks.c (std_gimplify_va_arg_expr): Likewise.

From-SVN: r222508

always define ARGS_GROW_DOWNWARD

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* config/pa/pa.h (ARGS_GROW_DOWNWARD): Define to 1.
* defaults.h (ARGS_GROW_DOWNWARD): Define it to 0 by default.
* calls.c (save_fixed_argument_area): Don't chekc if
ARGS_GROW_DOWNWARD is defined.
(restore_fixed_argument_area): Likewise.
(mem_overlaps_already_clobbered_arg_p): Likewise.
(check_sibcall_argument_overlap): Likewise.
(expand_call): Likewise.
(emit_library_call_value_1): Likewise.
(store_one_arg): Likewise.
* function.c (assign_parms): Likewise.
(locate_and_pad_parm): Likewise.
(pad_to_arg_alignment): Likewise.
* targhooks.c (std_gimplify_va_arg_expr): Likewise.

From-SVN: r222507

always define HAVE_epilogue

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* defaults.h (gen_epilogue): New function.
(HAVE_epilogue): Add default definition to false.
* alias.c (init_alias_analysis): don't check if HAVE_epilogue is
defined.
* cfgrtl.c (cfg_layout_finalize): Likewise.
* df-scan.c: Likewise.
* function.c (thread_prologue_and_epilogue_insns): Likewise.
(reposition_prologue_and_epilogue_notes): Likewise.
* reorg.c (find_end_label): Likewise.
* toplev.c: Likewise.

From-SVN: r222506

always define HAVE_simple_return and HAVE_return

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* bb-reorder.c (HAVE_return): Don't check if its undefined.
* defaults.h (gen_simple_return): New function.
(gen_simple_return): Likewise.
(HAVE_return): Add default definition to false.
(HAVE_simple_return): Likewise.
* cfgrtl.c (force_nonfallthru_and_redirect): Remove checks if
HAVE_return and HAVE_simple_return are defined.
* function.c (gen_return_pattern): Likewise.
(convert_jumps_to_returns): Likewise.
(thread_prologue_and_epilogue_insns): Likewise.
* reorg.c (find_end_label): Likewise.
(dbr_schedule): Likewise.
* shrink-wrap.c: Likewise.
* shrink-wrap.h: Likewise.

From-SVN: r222505

add default for EPILOGUE_USES

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* defaults.h (EPILOGUE_USES): Add default definition of false.
* df-scan.c (EPILOGUE_USES): Remove check if its undefined.
* resource.c (init_resource_info): Likewise.

From-SVN: r222504

add default for PCC_BITFIELD_TYPE_MATTERS

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* defaults.h (PCC_BITFIELD_TYPE_MATTERS): Add default definition
to false.
* dwarf2out.c (field_byte_offset): REmove check if
PCC_BITFIELD_TYPE_MATTERS is defined.
* stor-layout.c (layout_decl): Likewise.
(update_alignment_for_field): Likewise.
(place_field): Likewise.

gcc/cp/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* class.c (layout_class_type): Remove check if
PCC_BITFIELD_TYPE_MATTERS is defined.

From-SVN: r222503

add default for HARD_REGNO_RENAME_OK

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* defaults.h (HARD_REGNO_RENAME_OK): Add default definition to
true.
* regrename.c (check_new_reg_p): Remove check if
HARD_REGNO_RENAME_OK is defined.
* sel-sched.c (sel_hard_regno_rename_ok): Likewise.

From-SVN: r222502

add default for NO_FUNCTION_CSE

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

* calls.c (prepare_call_address): Remove ifdef NO_FUNCTION_CSE.
* cse.c (fold_rtx): Likewise.
* config/alpha/alpha.h (NO_FUNCTION_CSE): Define to 1.
* config/arc/arc.h (NO_FUNCTION_CSE): Likewise.
* config/avr/avr.h (NO_FUNCTION_CSE): Likewise.
* config/cr16/cr16.h (NO_FUNCTION_CSE): Likewise.
* config/epiphany/epiphany.h (NO_FUNCTION_CSE): Likewise.
* config/frv/frv.h (NO_FUNCTION_CSE): Likewise.
* config/h8300/h8300.h (NO_FUNCTION_CSE): Likewise.
* config/i386/i386.h (NO_FUNCTION_CSE): Likewise.
* config/ia64/ia64.h (NO_FUNCTION_CSE): Likewise.
* config/lm32/lm32.h (enum reg_class) (NO_FUNCTION_CSE):
* Likewise.
* config/m32r/m32r.h (NO_FUNCTION_CSE): Likewise.
* config/mep/mep.h (NO_FUNCTION_CSE): Likewise.
* config/mn10300/mn10300.h (NO_FUNCTION_CSE): Likewise.
* config/nds32/nds32.h (NO_FUNCTION_CSE): Likewise.
* config/nios2/nios2.h (NO_FUNCTION_CSE): Likewise.
* config/pa/pa.h (NO_FUNCTION_CSE): Likewise.
* config/rs6000/rs6000.h (NO_FUNCTION_CSE): Likewise.
* config/s390/s390.h (NO_FUNCTION_CSE): Likewise.
* config/sparc/sparc.h (NO_FUNCTION_CSE): Likewise.
* config/spu/spu.h (NO_FUNCTION_CSE): Likewise.
* config/stormy16/stormy16.h (NO_FUNCTION_CSE): Likewise.
* config/v850/v850.h (NO_FUNCTION_CSE): Likewise.
* defaults.h (NO_FUNCTION_CSE): Provide default definition to 0.
* doc/tm.texi: Regenerate.
* doc/tm.texi.in: Document NO_FUNCTION_CSE is always defined to
either true or false.

From-SVN: r222501

regex.tcc: Handle regex_constants::__polynomial.

* include/bits/regex.tcc: Handle regex_constants::__polynomial.
* include/bits/regex_automaton.tcc: Throw exception when parsing
back-reference with flag __polynomial.
* include/bits/regex_constants.h: Add extension flag
syntax_option_type __polynomial.
* bits/regex_executor.tcc: Still let BFS process ECMAScript.
Alternative operation will be fixed in the coming refactoring.
* testsuite/28_regex/algorithms/regex_search/61424.cc: Turn
loose match_search_debug to use DFS only.

From-SVN: r222500

re PR tree-optimization/65217 (__builtin_unreachable in if statement causes bad assembly generation)

PR tree-optimization/65217
* tree-ssa-dom.c (record_equality): Given two SSA_NAMEs, if just one
of them has a single use, make sure it is the LHS of the implied
copy.

        PR tree-optimization/65217
* gcc.target/i386/pr65217.c: Remove XFAIL.

From-SVN: r222499

re PR target/65810 (powerpc64 alignment of r2 insufficient for loading long-double constants)

PR target/65810
* config/rs6000/rs6000.c (POWERPC64_TOC_POINTER_ALIGNMENT): Define.
(offsettable_ok_by_alignment): Use minimum of decl and toc
pointer alignment.  Replace dead code with assertion.
(use_toc_relative_ref): Add mode arg.  Return false in -mcmodel=medium
case if size exceeds toc pointer alignment.
(rs6000_legitimize_reload_address): Update use_toc_relative_ref call.
(rs6000_emit_move): Likewise.
* configure.ac: Add linker toc pointer alignment check.
* configure: Regenerate.
* config.in: Regenerate.

From-SVN: r222498

re PR libstdc++/65909 (check_v3_target_namedlocale blows up on targets that don't support command-line arguments)

2015-04-27  Sandra Loosemore  <sandra@codesourcery.com>

PR libstdc++/65909

libstdc++-v3/
* testsuite/lib/libstdc++.exp (check_v3_target_namedlocale):
Make the generated test program fail gracefully if the target
doesn't support passing command-line arguments.

From-SVN: r222497

Daily bump.

From-SVN: r222496

Makefile-lan.in (ada.mostlyclean): Remove gnatbind and gnat1.

ada/
* gcc-interface/Makefile-lan.in (ada.mostlyclean): Remove gnatbind
and gnat1.
cp/
* Make-lang.in (c++.mostlyclean): Remove xg++, g++-cross, and cc1plus.
fortran/
* Make-lang.in (fortran.mostlyclean): Remove gfortran and
gfortran-cross.
go/
* Make-lang.in (go.mostlyclean): Remove gccgo, gccgo-cross, and go1.
jit/
* Make-lang.in (jit.mostlyclean): Remove shared libraries and object
files.
objc/
* Make-lang.in (objc.mostlyclean): Remove cc1obj.
objcp/
* Make-lang.in (obj-c++.mostlyclean): Remove cc1objplus.

From-SVN: r222492

eh_catch.cc (uncaught_exception, [...]): Return false or zero if the library is built without exceptions.

2015-04-27  Federico Lenarduzzi  <federico.lenarduzzi@tallertechnologies.com>
    Jonathan Wakely  <jwakely@redhat.com>

* libsupc++/eh_catch.cc (uncaught_exception, uncaught_exceptions):
Return false or zero if the library is built without exceptions.
* libsupc++/eh_term_handler.cc: Disable verbose terminate handler if
the library is built without exceptions.

Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>
From-SVN: r222484

gnu.ver: Fix comment.

2015-04-27  Ville Voutilainen  <ville.voutilainen@gmail.com>

* config/abi/pre/gnu.ver: Fix comment.

From-SVN: r222483

Add support for std::uncaught_exceptions.

2015-04-27  Ville Voutilainen  <ville.voutilainen@gmail.com>

Add support for std::uncaught_exceptions.
* acinclude.m4: Bump libtool_VERSION.
* config/abi/pre/gnu.ver: Export the new symbol.
* configure: Regenerate.
* libsupc++/eh_catch.cc (uncaught_exceptions): New.
* libsupc++/exception (uncaught_exceptions): New.
* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc: New.
* testsuite/util/testsuite_abi.cc: Add 3.4.22 as the latest version.

From-SVN: r222482

re PR libstdc++/62258 (uncaught_exception() equals to `true' after rethrow_exception())

2015-04-27  Dmitry Prokoptsev  <dprokoptsev@gmail.com>
    Michael Hanselmann  <public@hansmi.ch>

PR libstdc++/62258
* libsupc++/eh_ptr.cc (rethrow_exception): Increment count of
uncaught exceptions.
* testsuite/18_support/exception_ptr/62258.cc: New.

Co-Authored-By: Michael Hanselmann <public@hansmi.ch>
From-SVN: r222480

config.gcc: Add h8300-*-linux.

gcc/
* config.gcc: Add h8300-*-linux.
* config/h8300/linux.h: New.
* config/h8300/t-linux: New.
* config/h8300/h8300.c (h8300_option_override): Normal mode
is not supported for h8300-*-linux.
(h8300_file_start): Target priority change.
(get_shift_alg): Likewise.
(h8300_shift_need_scratch_p): Likewise.
* config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Likewise.
* config/h8300/h8300.md (define_peephole2): Remove duplicate condition.

libgcc/

* config.host: Add h8300-*-linux
* config/h8300/t-linux: New file.
* config/h8300/lib1funs.s: Change symbol prefix.
* config/h8300/sfp-machine.h: 64bit double support.

From-SVN: r222479

re PR fortran/60322 ([OOP] Incorrect bounds on polymorphic dummy array)

2015-04-27  Andre Vehreschild  <vehre@gmx.de>

        PR fortran/60322
        Add tests forgotten to svn-add.
        * gfortran.dg/class_allocate_19.f03: New test.
        * gfortran.dg/class_array_20.f03: New test.
        * gfortran.dg/class_array_21.f03: New test.
        * gfortran.dg/finalize_29.f08: New test.

From-SVN: r222478

re PR fortran/59678 ([F03] Segfault on equalizing variables of a complex derived type)

gcc/fortran
2015-04-27  Andre Vehreschild  <vehre@gmx.de>

        PR fortran/59678
        PR fortran/65841
        * trans-array.c (duplicate_allocatable): Fixed deep copy of
        allocatable components, which are liable for copy only, when
        they are allocated.
        (gfc_duplicate_allocatable): Add deep-copy code into if
        component allocated block. Needed interface change for that.
        (gfc_copy_allocatable_data): Supplying NULL_TREE for code to
        add into if-block for checking whether a component was
        allocated.
        (gfc_duplicate_allocatable_nocopy): Likewise.
        (structure_alloc_comps): Likewise.
        * trans-array.h: Likewise.
        * trans-expr.c (gfc_trans_alloc_subarray_assign): Likewise.
        * trans-openmp.c (gfc_walk_alloc_comps): Likewise.

gcc/testsuite
2015-04-27  Andre Vehreschild  <vehre@gmx.de>

        PR fortran/59678
        PR fortran/65841
        * gfortran.dg/alloc_comp_deep_copy_1.f03: New test.
        * gfortran.dg/alloc_comp_deep_copy_2.f03: New test.

From-SVN: r222477

Give proper type and size to named cold partitions.

2015-04-27  Caroline Tice  <cmtice@google.com>

* final.c (final_scan_insn):  Output cold_function_nmae as function
type.
* varasm.c (cold_function_name):  Make gloval.
(assemble_start_function):  Re-set cold_function_name.
(assemble_end_function): Output cold partition size.
* varasm.h (cold_fun ction_name):  Declare global.

2015-04-27  Caroline Tice  <cmtice@google.com>

* gcc.dg/tree-prof/cold_partition_label.c (main): Check for cold
partition size.

From-SVN: r222473

i386.h (EXT_REX_SSE_REG_P): New.

2015-04-27  Ilya Tocar  <ilya.tocar@intel.com>

* config/i386/i386.h (EXT_REX_SSE_REG_P): New.
* config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Use "v"
constraint.
(*movxi_internal_avx512f): Ditto.
(define_split): Check for xmm16+, when splitting scalar float_extend.
(*extendsfdf2_mixed): Use "v" constraint.
(define_split): Check for xmm16+, when splitting scalar float_truncate.
(*truncdfsf_fast_sse): Use "v" constraint.
(fix_trunc<MODEF:mode><SWI48:mode>_sse): Ditto.
(*float<SWI48:mode><MODEF:mode>2_sse): Ditto.
(define_peephole2): Check for xmm16+, when converting scalar
float_truncate.
(define_peephole2): Check for xmm16+, when converting scalar
float_extend.
(*fop_<mode>_comm_mixed): Use "v" constraint.
(*fop_<mode>_comm_sse): Ditto.
(*fop_<mode>_1_mixed): Ditto.
(*sqrt<mode>2_sse): Ditto.
(*ieee_s<ieee_maxmin><mode>3): Ditto.

From-SVN: r222470

configure.ac: Drop AC_PROG_CXX and friends, since libmpx has no C++ sources.

libmpx/

* configure.ac: Drop AC_PROG_CXX and friends, since libmpx has no C++
sources.
* configure: Regenerate.

From-SVN: r222469

[combine][obvious] Use std::swap instead of manually swapping

* combine.c (simplify_if_then_else): Use std::swap instead
of manually swapping.
(known_cond): Likewise.
(simplify_comparison): Likewise.

From-SVN: r222468

re PR target/64579 (__TM_end __builtin_tend failed to return transactional state)

gcc/
PR target/64579
* config/rs6000/htm.md: Remove all define_expands.
(UNSPECV_HTM_TABORTDC, UNSPECV_HTM_TABORTDCI, UNSPECV_HTM_TABORTWC,
UNSPECV_HTM_TABORTWCI): Remove.
(UNSPECV_HTM_TABORTXC, UNSPECV_HTM_TABORTXCI, UNSPECV_HTM_TTEST): New.
(tabort_internal, tbegin_internal, tcheck_internal, tend_internal,
trechkpt_internal, treclaim_internal, tsr_internal): Rename from this...
(tabort, tbegin, tcheck, tend, trechkpt, treclaim, tsr): ...to this.
(tabortdc_internal, tabortdci_internal, tabortwc_internal,
tabortwci_internal): Remove define_insns.
(tabort<wd>c, tabort<wd>ci): New define_insns.
(tabort): Use gpc_reg_operand.
(tcheck): Remove operand.
(htm_mfspr_<mode>, htm_mtspr_<mode>): Use GPR mode macro.
* config/rs6000/htmxlintrin.h (__TM_end): Use _HTM_TRANSACTIONAL as
expected value.
* config/rs6000/rs6000-builtin.def (BU_HTM_SPR0): Remove.
(BU_HTM_SPR1): Rename to BU_HTM_V1.  Remove use of RS6000_BTC_SPR.
(tabort, tabortdc, tabortdci, tabortwc, tabortwci, tbegin,
tcheck, tend, tendall, trechkpt, treclaim, tresume, tsuspend,
tsr, ttest): Pass in the RS6000_BTC_CR attribute.
(get_tfhar, set_tfhar, get_tfiar, set_tfiar, get_texasr, set_texasr,
get_texasru, set_texasru): Pass in the RS6000_BTC_SPR attribute.
(tcheck): Remove builtin argument.
* config/rs6000/rs6000.c (rs6000_htm_spr_icode): Use TARGET_POWERPC64
not TARGET_64BIT.
(htm_expand_builtin): Fix usage of expandedp.  Disallow usage of the
tabortdc and tabortdci builtins when not in 64-bit mode.
Modify code to handle the loss of the HTM define_expands.
Emit code to copy the CR register to TARGET.
(htm_init_builtins): Modify code to handle the loss of the HTM
define_expands.
* config/rs6000/rs6000.h (RS6000_BTC_32BIT): Delete.
(RS6000_BTC_64BIT): Likewise.
(RS6000_BTC_CR): New macro.
* doc/extend.texi: Update documentation for htm builtins.

gcc/testsuite/

PR target/64579
* gcc.target/powerpc/htm-1.c: New test.
* gcc.target/powerpc/htm-builtin-1.c (__builtin_tabortdc): Only test
on 64-bit compiles.
(__builtin_tabortdci): Likewise.
(__builtin_tcheck): Remove operand.
* lib/target-supports.exp (check_htm_hw_available): New function.

From-SVN: r222467

[simplify-rtx][trivial] Use std::swap instead of manually swapping

* simplify-rtx.c (simplify_gen_binary): Use std::swap instead
of manually swapping.
(simplify_associative_operation): Likewise.
(simplify_binary_operation): Likewise.
(simplify_plus_minus): Likewise.
(simplify_relational_operation): Likewise.
(simplify_ternary_operation): Likewise.

From-SVN: r222465

predicates.md (xs_hi_general_operand): Delete.

gcc/
* config/stormy16/predicates.md (xs_hi_general_operand): Delete.
(xs_hi_nonmemory_operand): Remove error.
* config/stormy16/stormy16.md (movhi, movhi_internal): Use
general_operand rather than xs_hi_general_operand.

From-SVN: r222464

tree-ssa-dom.c (record_equivalences_from_phis): Valueize PHI arg.

2015-04-27  Richard Biener  <rguenther@suse.de>

* tree-ssa-dom.c (record_equivalences_from_phis): Valueize PHI arg.
(record_equivalences_from_stmt): Valueize rhs.
(record_equality): Canonicalize x and y order via
tree_swap_operands_p.  Do not swap operands for same loop depth.

* gcc.target/i386/pr65217.c: XFAIL.

From-SVN: r222463

extensions.xml: Add cross-reference.

* doc/xml/manual/extensions.xml: Add cross-reference.
* doc/html/manual/ext_compile_checks.html: Regenerate.

From-SVN: r222462

re PR target/65296 ([avr] fix various issues with specs file generation)

PR target/65296
PR target/65895
* config/avr/gen-avr-mmcu-specs.c (print_mcu): Close file.
Add hint how to use own spec file.

From-SVN: r222459

re PR tree-optimization/65875 (ICE: Segmentation fault)

PR tree-optimization/65875
* tree-vrp.c (update_value_range): If in is_new case setting
old_vr to VR_VARYING, also set new_vr to it.  Remove
old_vr->type == VR_VARYING test.
(vrp_visit_phi_node): Return SSA_PROP_VARYING instead of
SSA_PROP_INTERESTING if update_value_range returned true,
but new range is VR_VARYING.

* gcc.c-torture/compile/pr65875.c: New test.

From-SVN: r222458

combine.c (sign_extend_short_imm): New.

2015-04-27  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * combine.c (sign_extend_short_imm): New.
    (set_nonzero_bits_and_sign_copies): Use above new function for sign
    extension of src short immediate.
    (reg_nonzero_bits_for_combine): Likewise for tem.

From-SVN: r222457

stor-layout.c (self_referential_component_ref_p): New predicate.

* stor-layout.c (self_referential_component_ref_p): New predicate.
(copy_self_referential_tree_r): Use it.
(self_referential_size): Punt for simple operations directly involving
self-referential component references.
* tree-cfg.c (dump_function_to_file): Add missing final curly bracket.

From-SVN: r222456

* ipa-icf.c (icf_handled_component_p): Remove redundant tests.

From-SVN: r222455

vec.h (vec): Make splice arguments const.

gcc/
* vec.h (vec): Make splice arguments const.  Update definitions
accordingly.

From-SVN: r222454

arm.md (*arm_subsi3_insn): Fixed redundant alternatives.

2015-04-27  Yvan Roux  <yvan.roux@linaro.org>

* config/arm/arm.md (*arm_subsi3_insn): Fixed redundant
alternatives.

From-SVN: r222453

Daily bump.

From-SVN: r222452

Mark ifn_va_arg as ECF_LEAF

2015-04-26  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/65826
* internal-fn.def: Mark VA_ARG with ECF_LEAF.

From-SVN: r222446

Daily bump.

From-SVN: r222444

re PR c/52085 (incomplete enum not completed correctly if packed was used)

PR c/52085
* c-decl.c (finish_enum): Copy over TYPE_ALIGN.  Also check for "mode"
attribute.

* gcc.dg/enum-incomplete-2.c: New test.
* gcc.dg/enum-mode-1.c: New test.

From-SVN: r222440

Daily bump.

From-SVN: r222438

mips.md: (*madd4<mode>) Remove accum_in attribute.

2015-04-24  Steve Ellcey  <sellcey@imgtec.com>

* config/mips/mips.md: (*madd4<mode>) Remove accum_in attribute.
(*madd3<mode>): Ditto.
(*msub4<mode>): Ditto.
(*msub3<mode>): Ditto.
(*nmadd4<mode>): Ditto.
(*nmadd3<mode>): Ditto.
(*nmadd4<mode>_fastmath): Ditto.
(*nmadd3<mode>_fastmath): Ditto.
(*nmsub4<mode>): Ditto.
(*nmsub3<mode>): Ditto.
(*nmsub4<mode>_fastmath): Ditto.
(*nmsub3<mode>_fastmath): Ditto.

From-SVN: r222432

re PR go/65616 (libgobegin.a not compiled with -fPIC)

PR go/65616
libgo: Compile go-main, in libgobegin, with -fPIC.

From-SVN: r222431

re PR c++/50800 (Internal compiler error in finish_member_declarations, possibly related to may_alias attribute)

PR c++/50800
* g++.dg/ext/alias-canon2.C: Remove clashing fn definitions.

From-SVN: r222426

re PR c++/50800 (Internal compiler error in finish_member_declarations, possibly related to may_alias attribute)

PR c++/50800
gcc/
* tree.c (build_reference_type_for_mode): Don't pass can_alias_all
down when building TYPE_CANONICAL.
(build_pointer_type_for_mode): Likewise.
gcc/cp/
* typeck.c (structural_comptypes): Don't check TYPE_REF_CAN_ALIAS_ALL.

From-SVN: r222419

genrecog.c (validate_pattern): Check matching constraint refers to a lower numbered operand.

        * genrecog.c (validate_pattern): Check matching constraint refers
        to a lower numbered operand.

From-SVN: r222418

re PR target/65849 (Add missing tuning knobs to #pragma target/attribute target support)

[gcc]
2015-04-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/65849
* config/rs6000/rs6000.opt (-mvsx-align-128): Make options that
save to independent variables use the Save attribute.  This will
allow these options to be modified with the #pragma/attribute
target support.
(-mallow-movmisalign): Likewise.
(-mallow-df-permute): Likewise.
(-msched-groups): Likewise.
(-malways-hint): Likewise.
(-malign-branch-targets): Likewise.
(-mvectorize-builtins): Likewise.
(-msave-toc-indirect): Likewise.

* config/rs6000/rs6000.c (rs6000_opt_masks): Add more options that
can be set via the #pragma/attribute target support.
(rs6000_opt_vars): Likewise.
(rs6000_inner_target_options): If VSX was set, also set
-mno-avoid-indexed-addresses.

[gcc/testsuite]
2015-04-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/65849
* gcc.target/powerpc/pr65849-1.c: New test to verify being able to
set new options.
* gcc.target/powerpc/pr65849-2.c: Likewise.

From-SVN: r222417

[ARM][trivial] Use uppercase for code iterator names

* config/arm/iterators.md (shiftable_ops): Rename to...
(SHIFTABLE_OPS): ... This.  Update use in comments.
(ior_xor): Rename to...
(IOR_XOR): ... This.
(vqh_ops): Rename to...
(VQH_OPS): ... This.
(vqhs_ops): Rename to...
(VQHS_OPS): ... This.
(rshifts): Rename to...
(RSHIFTS): ... This.
(returns): Rename to...
(RETURNS): ... This.
* config/arm/arm.md: Update uses of the above.
* config/arm/neon.md: Likewise.

From-SVN: r222416

[AArch64] Implement -m{cpu,tune,arch}=native using only /proc/cpuinfo

* config.host (case ${host}): Add aarch64*-*-linux case.
* config/aarch64/aarch64-cores.def: Add IMPLEMENTER_ID and PART_NUMBER
fields to all the cores.
* config/aarch64/aarch64-elf.h (DRIVER_SELF_SPECS):
Add MCPU_MTUNE_NATIVE_SPECS.
* config/aarch64/aarch64-option-extensions.def: Add FEATURE_STRING
field to all extensions.
* config/aarch64/aarch64-opts.h: Adjust definition of AARCH64_CORE.
* config/aarch64/aarch64.c: Adjust definition of AARCH64_CORE.
Adjust definition of AARCH64_OPT_EXTENSION.
* config/aarch64/aarch64.h: Adjust definition of AARCH64_CORE.
(MCPU_MTUNE_NATIVE_SPECS): Define.
* config/aarch64/driver-aarch64.c: New file.
* config/aarch64/x-arch64: New file.
* doc/invoke.texi (AArch64 Options): Document native value for -mcpu,
-mtune and -march.

From-SVN: r222415

constexpr.c (potential_constant_expression_1): Remove obsolete code.

* constexpr.c (potential_constant_expression_1) [MINUS_EXPR]:
Remove obsolete code.
[NE_EXPR]: Likewise.

From-SVN: r222414

Replace g++.dg/pr65802.C with gcc.dg/pr65802.c

2015-04-24  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/65802
* g++.dg/pr65802.C: Move to ...
* gcc.dg/pr65802.c: ... here.  Add -fexceptions to dg-options. Include
stdarg.h.  Rewrite for C.
(fn1): Use va_list and va_arg.  Make variable args function.  Add use of
va_start and va_end.  Remove unnecessary inline asm.

From-SVN: r222413

i386-protos.h (ix86_operands_ok_for_move_multiple): New.

* config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple): New.
* config/i386/i386.c (extract_base_offset_in_addr): New function.
(ix86_operands_ok_for_move_multiple): Ditto.
* config/i386/sse.md (movsd/movhpd to movupd peephole2): New pattern.
(movlpd/movhpd to movupd peephole2): Ditto.

testsuite/ChangeLog:

* gcc.target/i386/sse2-load-multi.c: New test.
* gcc.target/i386/sse2-store-multi.c: Ditto.

Co-Authored-By: Wei Mi <wmi@google.com>
From-SVN: r222410

re PR c/63357 (Warn for P && P and P || P  (same expression used multiple times in a condition))

PR c/63357
* c-common.c (warn_logical_operator): Warn if the operands have the
same expressions.

* doc/invoke.texi: Update description of -Wlogical-op.

* c-c++-common/Wlogical-op-1.c: New test.

From-SVN: r222408

re PR c/65830 (-Wno-shift-count-negative -Wno-shift-count-overflow don't work with const ints)

PR c/65830
* c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative
and OPT_Wshift_count_overflow.

* c-c++-common/pr65830.c: New test.

From-SVN: r222407

re PR c/61534 (Wlogical-op should not warn when either operand comes from macro expansion)

PR c/61534
* input.h (from_macro_expansion_at): Define.

* c-common.c (warn_logical_operator): Bail if either operand comes
from a macro expansion.

* c-c++-common/pr61534-1.c: New test.

From-SVN: r222406

sse.md (*vec_widen_smult_even_v8si<mask_name>): Mark operand1 commutative.

* config/i386/sse.md (*vec_widen_smult_even_v8si<mask_name>):
Mark operand1 commutative.

From-SVN: r222403

unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): fix ternary operator in fprintf and harmonize spacing.

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): fix
    ternary operator in fprintf and harmonize spacing.

From-SVN: r222401

sse.md (*vec_concatv2sf_sse4_1): Do not allow both input operands in memory.

* config/i386/sse.md (*vec_concatv2sf_sse4_1): Do not allow both
input operands in memory.
(*vec_concatv2si_sse4_1): Ditto.
(*vec_concatv2df): Ditto, except for SSE3 and equal input operands.
(vec_extract_lo_<mode><mask_name>): Change operand 1 predicate to
register_operand.
(vec_extract_hi_v32hi): Ditto.
(vec_extract_hi_v64hi): Ditto.
(<mask_codefor>avx512f_unpckhpd512<mask_name>): Ditto.

From-SVN: r222400

re PR rtl-optimization/34503 (Issues with constant/copy propagation implementation in gcse.c)

2015-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
            Steven Bosscher <steven@gcc.gnu.org>

    gcc/
    PR rtl-optimization/34503
    * cprop.c (cprop_reg_p): New.
    (hash_scan_set): Use above function to check if register can be
    propagated.
    (find_avail_set): Return up to two sets, one whose source is a
    register and one whose source is a constant.  Sets are returned in an
    array passed as parameter rather than as a return value.
    (cprop_insn): Use a do while loop rather than a goto.  Try each of the
    sets returned by find_avail_set, starting with the one whose source is
    a constant. Use cprop_reg_p to check if register can be propagated.
    (do_local_cprop): Use cprop_reg_p to check if register can be
    propagated.
    (implicit_set_cond_p): Likewise.

    gcc/testsuite/
    PR rtl-optimization/34503
    * gcc.target/arm/pr64616.c: New file.

Co-Authored-By: Steven Bosscher <steven@gcc.gnu.org>
From-SVN: r222398

pr42172-1.c: Check str instead of ldr.

gcc/testsuite/ChangeLog
* gcc.target/arm/pr42172-1.c: Check str instead of ldr.

From-SVN: r222396

pr65710.c: Update the options.

2015-04-24  Terry Guo  <terry.guo@arm.com>

* gcc.target/arm/pr65710.c: Update the options.

From-SVN: r222393

ipa-icf.c (sem_function::equals_wpa): Compare thunk info.

* ipa-icf.c (sem_function::equals_wpa): Compare thunk info.
(sem_function::equals): IGNORED_NODES parameter is now unused;
update call of equals_private.
(sem_function::equals_private): Do not call equals_wpa; skip
gimple body matching if there is no body.
(sem_function::init): Add logic to hash tthunk info.
(sem_function::parse): Also parse thunks.
* ipa-icf.h (equals_private): Update declaration.

From-SVN: r222392

Daily bump.

From-SVN: r222391

altivec.md (*altivec_lvx_<mode>_internal): Remove asterisk from name so this can be generated directly.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* config/rs6000/altivec.md (*altivec_lvx_<mode>_internal): Remove
asterisk from name so this can be generated directly.
(*altivec_stvx_<mode>_internal): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_le_vsx_store): Add assert
that this is never called during or after reload/lra.
(rs6000_frame_related): Remove split_reg
argument and logic that references it.
(emit_frame_save): Remove last parameter from call to
rs6000_frame_related.
(rs6000_emit_prologue): Remove last parameter from eight calls to
rs6000_frame_related.  Force generation of stvx instruction for
Altivec register saves.  Remove split_reg handling, which is no
longer needed.
(rs6000_emit_epilogue):  Force generation of lvx instruction for
Altivec register restores.

From-SVN: r222385

Revert:PR c++/50800

Revert:PR c++/50800
       * tree.c (strip_typedefs): Add remove_attributes parm.
       (strip_typedefs_expr): Likewise.
       (apply_identity_attributes): New subroutine of strip_typedefs.
       * pt.c (canonicalize_type_argument): Let strip_typedefs handle attrs.
       (convert_nontype_argument, unify): Likewise.
       * cp-tree.h: Adjust.

From-SVN: r222384

Skip gcc.target/i386/pr65523.c for x32

* gcc.target/i386/pr65523.c: Skip x32.

From-SVN: r222382

rs6000.opt (mcrypto): Change option description to match category changes in ISA 2.07B.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* config/rs6000/rs6000.opt (mcrypto): Change option description to
match category changes in ISA 2.07B.

From-SVN: r222381

tree.h (attribute_value_equal): Declare.

* tree.h (attribute_value_equal): Declare.
* tree.c (attribute_value_equal): Export.

From-SVN: r222380

[ARM] Rewrite vc<cond> NEON patterns to use RTL operations rather than UNSPECs

* config/arm/iterators.md (GTGE, GTUGEU, COMPARISONS): New code
iterators.
(cmp_op, cmp_type): New code attributes.
(NEON_VCMP, NEON_VACMP): New int iterators.
(cmp_op_unsp): New int attribute.
* config/arm/neon.md (neon_vc<cmp_op><mode>): New define_expand.
(neon_vceq<mode>): Delete.
(neon_vc<cmp_op><mode>_insn): New pattern.
(neon_vc<cmp_op_unsp><mode>_insn_unspec): Likewise.
(neon_vcgeu<mode>): Delete.
(neon_vcle<mode>): Likewise.
(neon_vclt<mode>: Likewise.
(neon_vcage<mode>): Likewise.
(neon_vcagt<mode>): Likewise.
(neon_vca<cmp_op><mode>): New define_expand.
(neon_vca<cmp_op><mode>_insn): New pattern.
(neon_vca<cmp_op_unsp><mode>_insn_unspec): Likewise.

* gcc.target/arm/neon/pr51534.c: Update vcg* scan-assembly patterns
to look for vcl* where appropriate.

From-SVN: r222379

Fix testuite for updated ICF dumps.

From-SVN: r222378

re PR c++/50800 (Internal compiler error in finish_member_declarations, possibly related to may_alias attribute)

PR c++/50800
* tree.c (strip_typedefs): Add remove_attributes parm.
(strip_typedefs_expr): Likewise.
(apply_identity_attributes): New subroutine of strip_typedefs.
* pt.c (canonicalize_type_argument): Let strip_typedefs handle attrs.
(convert_nontype_argument, unify): Likewise.
* cp-tree.h: Adjust.

From-SVN: r222377

re PR c++/65646 (ICE in invalid syntax)

PR c++/65646
* pt.c (check_explicit_specialization): Don't
SET_DECL_TEMPLATE_SPECIALIZATION for a variable with no template
headers.
* decl.c (grokvardecl): Revert earlier fix.

From-SVN: r222376

Correct name and email address in the Changelog commit.

From-SVN: r222375

ipa-icf.c (sem_item::compare_attributes): New function.

* ipa-icf.c (sem_item::compare_attributes): New function.
(sem_item::compare_referenced_symbol_properties): Compare variable
attributes.
(sem_item::hash_referenced_symbol_properties): Record DECL_ALIGN.
(sem_function::param_used_p): New function.
(sem_function::equals_wpa): Fix attribute comparsion; match
parameter type codes; do not compare paremter flags when
they are not used; compare edge flags; compare indirect calls.
(sem_item::update_hash_by_addr_refs): Hash reference type.
(sem_function::equals_private): Do not match DECL_ATTRIBUTES.
(sem_variable::equals_wpa): Do not match DECL_ALIGN; match
reference use type.
(sem_item_optimizer::update_hash_by_addr_refs): Use param_used_p.
* ipa-icf.h (compare_attributes, param_used_p): Declare.

From-SVN: r222374

costmodel-bb-slp-9a.c: Replace vect_no_align with vect_no_align && { ! vect_hw_misalign }.

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* gcc.dg/vect/costmodel/ppc/costmodel-bb-slp-9a.c: Replace
vect_no_align with vect_no_align && { ! vect_hw_misalign }.

From-SVN: r222373

ipa-icf.c (symbol_compare_collection::symbol_compare_collection): cleanup.

* ipa-icf.c (symbol_compare_collection::symbol_compare_collection):
cleanup.
(sem_function::get_hash): Do not hash DECL_DISREGARD_INLINE_LIMITS,
DECL_DECLARED_INLINE_P and DECL_IS_OPERATOR_NEW.
(sem_item::compare_referenced_symbol_properties): New.
(sem_item::hash_referenced_symbol_properties): New.
(sem_item::compare_cgraph_references): Rename to ...
(sem_item::compare_symbol_references): ... this one; use
compare_referenced_symbol_properties.
(sem_function::equals_wpa): Do not compare
DECL_DISREGARD_INLINE_LIMITS, DECL_DECLARED_INLINE_P,
DECL_IS_OPERATOR_NEW; compare pointer sizes.
(sem_item::update_hash_by_addr_refs): Call
hash_referenced_symbol_properties.
(sem_item::update_hash_by_local_refs): Cleanup.
(sem_function::merge): Do not mix up symbol properties.
(sem_variable::equals_wpa): Use compare_symbol_references.
* ipa-icf.h (sem_item::compare_referenced_symbol_properties): New.
(sem_item::hash_referenced_symbol_properties): New.
(sem_item::compare_symbol_references): New.
(sem_item::compare_cgraph_references): Remove.

From-SVN: r222372

re PR target/26702 (.size is not emitted for BSS variables)

Fix PR target/26702

For Kwok Cheung Yeung.

From-SVN: r222371

re PR c/65345 (ICE with _Generic selection on _Atomic int)

PR c/65345
* c-decl.c (set_labels_context_r): New function.
(store_parm_decls): Call it via walk_tree_without_duplicates.
* c-typeck.c (convert_lvalue_to_rvalue): Use create_tmp_var_raw
instead of create_tmp_var.  Build TARGET_EXPR instead of
COMPOUND_EXPR.
(build_atomic_assign): Use create_tmp_var_raw instead of
create_tmp_var.  Build TARGET_EXPRs instead of MODIFY_EXPR.

* gcc.dg/pr65345-1.c: New test.
* gcc.dg/pr65345-2.c: New test.

From-SVN: r222370

rl78.c (rl78_preferred_reload_class): Add ATTRIBUTE_UNUSED to x parameter.

* config/rl78/rl78.c (rl78_preferred_reload_class): Add
ATTRIBUTE_UNUSED to x parameter.
* config/rl78/rl78-opts.h (enum rl78_mul_types): Remove unused MUL_RL78.

From-SVN: r222369

crypto.md (crypto_vpmsum<CR_char>): Change TARGET_CRYPTO to TARGET_P8_VECTOR>

[gcc]

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* config/rs6000/crypto.md (crypto_vpmsum<CR_char>): Change
TARGET_CRYPTO to TARGET_P8_VECTOR>
(crypto_vpermxor_<mode>): Likewise.
* config/rs6000/rs6000-builtin.def (BU_CRYPTO_2A): New #define.
(BU_CRYPTO_3A): Likewise.
(BU_CRYPTO_OVERLOAD_2A): Rename from BU_CRYPTO_OVERLOAD_2.
(BU_CRYPTO_OVERLOAD_3A): New #define.
(VPMSUMB): Change from BU_CRYPTO_2 to BU_CRYPTO_2A.
(VPMSUMH): Likewise.
(VPMSUMW): Likewise.
(VPMSUMD): Likewise.
(VPERMXOR_V2DI): Change from BU_CRYPTO_3 to BU_CRYPTO_3A.
(VPERMXOR_V4SI): Likewise.
(VPERMXOR_V8HI): Likewise.
(VPERMXOR_V16QI): Likewise.
(VPMSUM): Change from BU_CRYPTO_OVERLOAD_2 to
BU_CRYPTO_OVERLOAD_2A.
(VPERMXOR): Change from BU_CRYPTO_OVERLOAD3 to
BU_CRYPTO_OVERLOAD_3A.
* config/rs6000/rs6000.opt (mcrypto): Change description of
option.

[gcc/testsuite]

2015-04-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* gcc.target/powerpc/crypto-builtin-2.c: New.

From-SVN: r222362

PF fortran/60322

gcc/testsuite/ChangeLog:

2015-04-23  Andre Vehreschild  <vehre@gmx.de>

PF fortran/60322
* gfortran.dg/class_allocate_19.f03: New test.
* gfortran.dg/class_array_20.f03: New test.
* gfortran.dg/class_array_21.f03: New test.
* gfortran.dg/finalize_10.f90: Corrected scan-trees.
* gfortran.dg/finalize_15.f90: Fixing comparision to model
initialization correctly.
* gfortran.dg/finalize_29.f08: New test.

gcc/fortran/ChangeLog:

2015-04-23  Andre Vehreschild  <vehre@gmx.de>

PR fortran/60322
* expr.c (gfc_lval_expr_from_sym): Code to select the regular
or class array added.
* gfortran.h: Add IS_CLASS_ARRAY macro.
* trans-array.c (gfc_add_loop_ss_code): Treat class objects
to be referenced always.
(build_class_array_ref): Adapt retrieval of array descriptor.
(build_array_ref): Likewise.
(gfc_conv_array_ref): Hand the vptr or the descriptor to
build_array_ref depending whether the sym is class or not.
(gfc_trans_array_cobounds):  Select correct gfc_array_spec for
regular and class arrays.
(gfc_trans_array_bounds): Likewise.
(gfc_trans_dummy_array_bias): Likewise.
(gfc_get_dataptr_offset): Correcting call of build_array_ref.
(gfc_conv_expr_descriptor): Set the array's offset to -1 when
lbound in inner most dim is 1 and symbol non-pointer/assoc.
* trans-decl.c (gfc_build_qualified_array): Select correct
gfc_array_spec for regular and class arrays.
(gfc_build_dummy_array_decl): Likewise.
(gfc_get_symbol_decl): Get a dummy array for class arrays.
(gfc_trans_deferred_vars): Tell conv_expr that the descriptor
is desired.
* trans-expr.c (gfc_class_vptr_get): Get the class descriptor
from the correct location for class arrays.
(gfc_class_len_get): Likewise.
(gfc_conv_intrinsic_to_class): Add handling of _len component.
(gfc_conv_class_to_class):  Prevent access to unset array data
when the array is an optional argument. Add handling of _len
component.
(gfc_copy_class_to_class): Check that _def_init is non-NULL
when used in _vptr->copy()
(gfc_trans_class_init_assign): Ensure that the rank of
_def_init is zero.
(gfc_conv_component_ref): Get the _vptr along with _data refs.
(gfc_conv_variable): Make sure the temp array descriptor is
returned for class arrays, too, and that class arrays are
dereferenced correctly.
(gfc_conv_procedure_call): For polymorphic type initialization
the initializer has to be a pointer to _def_init stored in a
dummy variable, which then needs to be used by value.
* trans-intrinsic.c (gfc_conv_intrinsic_sizeof): Use the
temporary array descriptor for class arrays, too.
(gfc_conv_intrinsic_storage_size): Likewise.
(gfc_conv_intrinsic_loc): Add ref to _data for BT_CLASS
expressions.
* trans-stmt.c (trans_associate_var): Use a temporary array for
the associate variable of class arrays, too, making the array
one-based (lbound == 1).
* trans-types.c (gfc_is_nodesc_array): Use the correct
array data.
* trans.c (gfc_build_array_ref): Use the dummy array descriptor
when present.
* trans.h: Add class_vptr to gfc_se for storing a class ref's
vptr.

From-SVN: r222361

passes.def: Remove copy propagation passes run directly after CCP.

2015-04-23  Richard Biener  <rguenther@suse.de>

* passes.def: Remove copy propagation passes run directly after CCP.
* tree-ssa-ccp.c (get_value_for_expr): Fall back to a COPY for
SSA names.
(ccp_visit_phi_node): Rework to handle first executable edge
specially.

From-SVN: r222360

[ARM] Remove an unused reload hook.

* config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Remove.
(ARM_LEGITIMIZE_RELOAD_ADDRESS): Remove.
(THUMB_LEGITIMIZE_RELOAD_ADDRESS): Remove.
* config/arm/arm.c (arm_legimitimize_reload_address): Remove.
(thumb_legimitimize_reload_address): Remove.
* config/arm/arm-protos.h (arm_legimitimize_reload_address):
Remove.
(thumb_legimitimize_reload_address): Remove.

From-SVN: r222359

Re: [PATCH 02/12] remove some ifdef HAVE_cc0.

* conditions.h (CC_STATUS_INIT): Gate on #ifndef CC_STATUS_INIT.

From-SVN: r222358

[ARM] Restrict {load,store}_multiple expanders to MAX_LD_STM_OPS regs

* config/arm/arm.md (load_multiple): Reject operand 2 greater than
MAX_LDM_STM_OPS.
(store_multiple): Likewise.

From-SVN: r222357

[ARM] Make issue rate part of per-core tuning structs

* config/arm/arm-protos.h (struct tune_params): Add issue_rate field.
* config/arm/arm.c (arm_slowmul_tune, arm_fastmul_tune,
arm_strongarm_tune, arm_xscale_tune, arm_9e_tune, arm_v6t2_tune,
arm_cortex_tune, arm_cortex_a8_tune, arm_cortex_a7_tune,
arm_cortex_a15_tune, arm_cortex_a53_tune, arm_cortex_a57_tune,
arm_cortex_a9_tune, arm_cortex_a12_tune, arm_v7m_tune, arm_v6m_tune,
arm_fa726te_tune arm_cortex_a5_tune, arm_xgene1_tune):
Specify issue_rate value.
(arm_issue_rate): Look up issue rate from tuning structs. Remove
large switch statement.
(arm_marvell_pj4_tune): New struct.
* config/arm/arm-cores.def (marvell-pj4): Use arm_marvell_pj4_tune
struct.

From-SVN: r222356

tree-vect-slp.c (vect_find_first_load_in_slp_instance): Remove.

2015-04-23  Richard Biener  <rguenther@suse.de>

* tree-vect-slp.c (vect_find_first_load_in_slp_instance): Remove.
(vect_find_last_store_in_slp_instance): Rename to ...
(vect_find_last_scalar_stmt_in_slp): ... this and generalize.
(vect_analyze_slp_cost_1): Use vector_load for constant defs
and vec_construct for external defs when estimating prologue cost.
(vect_analyze_slp_instance): Do not init SLP_INSTANCE_FIRST_LOAD_STMT.
Compute costs here only when vectorizing loops.
(vect_slp_analyze_bb_1): Compute SLP cost here, after vector types
have been determined.
(vect_schedule_slp_instance): Simplify vectorized code placement
and prepare for in-BB external defs.
* tree-vectorizer.h (struct _slp_instance): Remove first_load member.
(SLP_INSTANCE_FIRST_LOAD_STMT): Remove.
* tree-vect-stmts.c (vect_model_store_cost): Remove PURE_SLP_STMT
guard.
(vect_model_load_cost): Likewise.
(vectorizable_store): Instead add it here.
(vectorizable_load): Likewise.
(vect_is_simple_use): Dump def type textually.

From-SVN: r222354

cfgexpand.c (expand_gimple_stmt_1): Use ops.code.

2015-04-23  Richard Biener  <rguenther@suse.de>

* cfgexpand.c (expand_gimple_stmt_1): Use ops.code.
* cfgloop.c (verify_loop_structure): Verify the root loop node.
* except.c (duplicate_eh_regions): Call get_eh_region_from_lp_number_fn
instead of get_eh_region_from_lp_number.
* loop-init.c (fix_loop_structure): If we removed a loop, reset
the SCEV cache.

From-SVN: r222353

rs6000.c (rs6000_output_function_prologue): No need for -mprofile-kernel to save LR to stack.

* config/rs6000/rs6000.c (rs6000_output_function_prologue): No
need for -mprofile-kernel to save LR to stack.

From-SVN: r222352

rs6000.c (rtx_is_swappable_p): Commentary adjustments.

[gcc]

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* config/rs6000/rs6000.c (rtx_is_swappable_p): Commentary
adjustments.
(insn_is_swappable_p): Return 1 for a convert from double to
single precision when all of its uses are splats of BE element
zero.

[gcc/testsuite]

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

* gcc.target/powerpc/swaps-p8-18.c: New test.

From-SVN: r222351

ira-costs.c (record_operand_costs): Fix typo (remove redundant code).

2015-04-23  Kugan Vivekanandarajah  <kuganv@linaro.org>

* ira-costs.c (record_operand_costs): Fix typo (remove redundant code).

From-SVN: r222350

re PR target/65456 (powerpc64le autovectorized copy loop missed optimization)

[gcc]

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR target/65456
* config/rs6000/rs6000.c (rs6000_option_override_internal):  For
VSX + POWER8, enable TARGET_ALLOW_MOVMISALIGN and
TARGET_EFFICIENT_UNALIGNED_VSX if not selected by command line
option.
(rs6000_builtin_mask_for_load): Return 0 for targets with
efficient unaligned VSX accesses so that the vectorizer will use
direct unaligned loads.
(rs6000_builtin_support_vector_misalignment): Always return true
for targets with efficient unaligned VSX accesses.
(rs6000_builtin_vectorization_cost): Cost of unaligned loads and
stores on targets with efficient unaligned VSX accesses is almost
always the same as the cost of an aligned load or store, so model
it that way.
* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Return 0 for
unaligned vectors if we have efficient unaligned VSX accesses.
* config/rs6000/rs6000.opt (mefficient-unaligned-vector): New
undocumented option.

[gcc/testsuite]

2015-04-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

PR target/65456
* gcc.dg/vect/bb-slp-24.c: Exclude test for POWER8.
* gcc.dg/vect/bb-slp-25.c: Likewise.
* gcc.dg/vect/bb-slp-29.c: Likewise.
* gcc.dg/vect/bb-slp-32.c: Replace vect_no_align with
vect_no_align && { ! vect_hw_misalign }.
* gcc.dg/vect/bb-slp-9.c: Likewise.
* gcc.dg/vect/costmodel/ppc/costmodel-slp-33.c: Exclude test for
vect_hw_misalign.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-31a.c: Likewise.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c: Adjust tests to
account for POWER8, where peeling for alignment is not needed.
* gcc.dg/vect/costmodel/ppc/costmodel-vect-outer-fir.c: Replace
vect_no_align with vect_no_align && { ! vect_hw_misalign }.
* gcc.dg.vect.if-cvt-stores-vect-ifcvt-18.c: Likewise.
* gcc.dg/vect/no-scevccp-outer-6-global.c: Likewise.
* gcc.dg/vect/no-scevccp-outer-6.c: Likewise.
* gcc.dg/vect/no-vfa-vect-43.c: Likewise.
* gcc.dg/vect/no-vfa-vect-57.c: Likewise.
* gcc.dg/vect/no-vfa-vect-61.c: Likewise.
* gcc.dg/vect/no-vfa-vect-depend-1.c: Likewise.
* gcc.dg/vect/no-vfa-vect-depend-2.c: Likewise.
* gcc.dg/vect/no-vfa-vect-depend-3.c: Likewise.
* gcc.dg/vect/pr16105.c: Likewise.
* gcc.dg/vect/pr20122.c: Likewise.
* gcc.dg/vect/pr33804.c: Likewise.
* gcc.dg/vect/pr33953.c: Likewise.
* gcc.dg/vect/pr56787.c: Likewise.
* gcc.dg/vect/pr58508.c: Likewise.
* gcc.dg/vect/slp-25.c: Likewise.
* gcc.dg/vect/vect-105-bit-array.c: Likewise.
* gcc.dg/vect/vect-105.c: Likewise.
* gcc.dg/vect/vect-27.c: Likewise.
* gcc.dg/vect/vect-29.c: Likewise.
* gcc.dg/vect/vect-33.c: Exclude unaligned access test for
POWER8.
* gcc.dg/vect/vect-42.c: Replace vect_no_align with vect_no_align
&& { ! vect_hw_misalign }.
* gcc.dg/vect/vect-44.c: Likewise.
* gcc.dg/vect/vect-48.c: Likewise.
* gcc.dg/vect/vect-50.c: Likewise.
* gcc.dg/vect/vect-52.c: Likewise.
* gcc.dg/vect/vect-56.c: Likewise.
* gcc.dg/vect/vect-60.c: Likewise.
* gcc.dg/vect/vect-72.c: Likewise.
* gcc.dg/vect/vect-75-big-array.c: Likewise.
* gcc.dg/vect/vect-75.c: Likewise.
* gcc.dg/vect/vect-77-alignchecks.c: Likewise.
* gcc.dg/vect/vect-77-global.c: Likewise.
* gcc.dg/vect/vect-78-alignchecks.c: Likewise.
* gcc.dg/vect/vect-78-global.c: Likewise.
* gcc.dg/vect/vect-93.c: Likewise.
* gcc.dg/vect/vect-95.c: Likewise.
* gcc.dg/vect/vect-96.c: Likewise.
* gcc.dg/vect/vect-cond-1.c: Likewise.
* gcc.dg/vect/vect-cond-3.c: Likewise.
* gcc.dg/vect/vect-cond-4.c: Likewise.
* gcc.dg/vect/vect-cselim-1.c: Likewise.
* gcc.dg/vect/vect-multitypes-1.c: Likewise.
* gcc.dg/vect/vect-multitypes-3.c: Likewise.
* gcc.dg/vect/vect-multitypes-4.c: Likewise.
* gcc.dg/vect/vect-multitypes-6.c: Likewise.
* gcc.dg/vect/vect-nest-cycle-1.c: Likewise.
* gcc.dg/vect/vect-nest-cycle-2.c: Likewise.
* gcc.dg/vect/vect-outer-3a-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-3a.c: Likewise.
* gcc.dg/vect/vect-outer-5.c: Likewise.
* gcc.dg/vect/vect-outer-fir-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-fir-lb-big-array.c: Likewise.
* gcc.dg/vect/vect-outer-fir-lb.c: Likewise.
* gcc.dg/vect/vect-outer-fir.c: Likewise.
* gcc.dg/vect/vect-peel-3.c: Likewise.
* gcc.dg/vect/vect-peel-4.c: Likewise.
* gcc.dg/vect/vect-pre-interact.c: Likewise.
* gcc.target/powerpc/pr65456.c: New test.
* gcc.target/powerpc/vsx-vectorize-2.c: Exclude test for POWER8.
* gcc.target/powerpc/vsx-vectorize-4.c: Likewise.
* gcc.target/powerpc/vsx-vectorize-6.c: Likewise.
* gcc.target/powerpc/vsx-vectorize-7.c: Likewise.
* gfortran.dg/vect/vect-2.f90: Replace vect_no_align with
vect_no_align && { ! vect_hw_misalign }.
* gfortran.dg/vect/vect-3.f90: Likewise.
* gfortran.dg/vect/vect-4.f90: Likewise.
* gfortran.dg/vect/vect-5.f90: Likewise.
* lib/target-supports.exp (check_effective_target_vect_no_align):
Return 1 for POWER8.
(check_effective_target_vect_hw_misalign): Return 1 for POWER8.

From-SVN: r222349

Daily bump.

From-SVN: r222348

re PR fortran/65429 (ICE on implied-length character empty array constructor)

2015-04-22  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/65429
* decl.c (add_init_expr_to_sym): Set the length type parameter.

PR fortran/65429
* gfortran.dg/pr65429.f90: New test.

From-SVN: r222342

libiberty/setenv.c: Do not declare environ if defined as a macro.

2015-04-22  Eli Zaretskii  <eliz@gnu.org>

        * strerror.c <sys_nerr, sys_errlist>: Declare only if they aren't
        macros.
        * setenv.c <environ>: Declare only if not a macro.

From-SVN: r222335

Makefile.tpl: Remove surplus whitespace throughout.

2015-04-22  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

* Makefile.tpl: Remove surplus whitespace throughout.
* Makefile.in: Regenerate.

From-SVN: r222334

Revert:

2015-04-22  Gregor Richards  <gregor.richards@uwaterloo.ca>

* config.gcc (LIBC_MUSL): New tm_defines macro.
* config/linux.h (OPTION_MUSL): Define.
(INCLUDE_DEFAULTS_MUSL_GPP, INCLUDE_DEFAULTS_MUSL_LOCAL,)
(INCLUDE_DEFAULTS_MUSL_PREFIX, INCLUDE_DEFAULTS_MUSL_CROSS,)
(INCLUDE_DEFAULTS_MUSL_TOOL, INCLUDE_DEFAULTS_MUSL_NATIVE): Define.

* config/linux.opt (mmusl): New option.
* configure.ac (gcc_cv_libc_provides_ssp): Add *-*-musl*.
(gcc_cv_target_dl_iterate_phdr): Add *-linux-musl*.

* configure: Regenerate.

From-SVN: r222330

libstdc++, libgfortran gthr workaround for musl

On behalf of szabolcs.nagy@arm.com

[libstdc++-v3/]
2015-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

* config/os/generic/os_defines.h (_GLIBCXX_GTHREAD_USE_WEAK): Define.
* configure.host (os_include_dir): Set to "os/generic" for linux-musl*.

[libgfortran/]
2015-04-22  Szabolcs Nagy  <szabolcs.nagy@arm.com>

* acinclude.m4 (GTHREAD_USE_WEAK): Define as 0 for *-*-musl*.
* configure: Regenerate.

From-SVN: r222329