re PR libstdc++/66327 (-fsanitize=nonnull-attribute errors in stl_algobase.h)

PR libstdc++/66327
* include/bits/stl_algobase.h (__equal<true>::equal): Do not call
memcmp with null pointers.
(__lexicographical_compare<true>::__lc): Do not call memcmp for empty
ranges.

From-SVN: r223865

[obvious] Close comment in aarch64 test

* gcc.target/aarch64/vdup_lane_2.c: Close comment on final line.

From-SVN: r223864

re PR tree-optimization/66142 (Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE)

PR tree-optimization/66142
* tree-if-conv.c (if_convertible_phi_p): Don't give up on
virtual phis that feed themselves.

* gcc.dg/vect/pr66142.c: New test.

From-SVN: r223863

re PR middle-end/66314 (ice in verify_loop_structure)

2015-05-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66314
* tree-ssa-threadupdate.c (create_block_for_threading): Add
parameter that says which loop the new block belongs to.
(ssa_create_duplicates): Blocks duplicated for the threaded
path belong to the loop of the thread destination.

* gcc.dg/asan/pr66314.c: New testcase.

From-SVN: r223861

t-msp430 (MULTILIB_OPTIONS): Add multilibs for the different types of hardware multiply available on the MSP430.

* config/msp430/t-msp430 (MULTILIB_OPTIONS): Add multilibs for the
different types of hardware multiply available on the MSP430.
(MULTILIB_DIRNAMES): Likewise.
(MULTILIB_EXCEPTIONS): Add exceptions for incompatible cpus and
hardware multiply types.
(MULTILIB_MATCHES): Add matches for known MCU names and hardware
multiply types.

From-SVN: r223860

libbacktrace: add support of PE/COFF

libbacktrace/
2015-05-29  Tristan Gingold  <gingold@adacore.com>

* pecoff.c: New file.
* Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
* Makefile.in: Regenerate.
* filetype.awk: Detect pecoff.
* configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
Add pecoff.
* btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
true.
* backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
* configure: Regenerate.
* pecoff.c: New file.

From-SVN: r223859

testsuite: auto-wipe dump files

gcc/testsuite/ChangeLog

2015-05-29  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

* lib/gcc-dg.exp (cleanup-ipa-dump, cleanup-rtl-dump,
cleanup-tree-dump, cleanup-dump, cleanup-saved-temps): Remove.
Adjust all callers.
(schedule-cleanups, dg-keep-saved-temps): New proc.
(gcc-dg-test-1): Schedule cleanups.
* lib/profopt.exp (profopt-execute): Likewise.
* g++.dg/cdce3.C: Adjust expected line numbers.
* gcc.dg/cdce1.c: Likewise.
* gcc.dg/cdce2.c: Likewise.
* gcc.dg/strlenopt-22.c: Fix comment delimiter.
* gcc.dg/strlenopt-24.c: Likewise.
* gcc.dg/tree-ssa/vrp26.c: Likewise.
* gcc.dg/tree-ssa/vrp28.c: Likewise.
* obj-c++.dg/encode-2.mm: Likewise.

libgomp/ChangeLog

2015-05-29  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

* testsuite/libgomp.graphite/bounds.c: Adjust for
cleanup-tree-dump removal.
* testsuite/libgomp.graphite/force-parallel-1.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-2.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-3.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-4.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-5.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-6.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-7.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-8.c: Likewise.
* testsuite/libgomp.graphite/force-parallel-9.c: Likewise.
* testsuite/libgomp.graphite/pr41118.c: Likewise.

gcc/ChangeLog

2015-05-29  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

* config/arm/neon-testgen.ml (emit_epilogue): Remove manual call
to cleanup-saved-temps.
* doc/sourcebuild.texi (Clean up generated test files): Expand
introduction.
(dg-keep-saved-temps): Document new proc.
(cleanup-ipa-dump, cleanup-rtl-dump, cleanup-tree-dump,
cleanup-saved-temps): Remove.

From-SVN: r223858

Daily bump.

From-SVN: r223856

* gcc.c-torture/execute/pr65369.c: Don't assume int is 32 bits.

From-SVN: r223851

configure.ac: Move the atoll check from AC_CHECK_FUNCS to gcc_AC_CHECK_DECLS.

2015-05-28  Andreas Tobler  <andreast@gcc.gnu.org>

    * configure.ac: Move the atoll check from AC_CHECK_FUNCS to
    gcc_AC_CHECK_DECLS.
    * configure: Regenerate.

From-SVN: r223847

configure.host: Add bits for FreeBSD amd64 and i386.

2015-05-28  Andreas Tobler  <andreast@gcc.gnu.org>

    * configure.host: Add bits for FreeBSD amd64 and i386.
    * configure.ac: Add signal handler for FreeBSD (amd64/i386)
    * configure: Regenerate.
    * include/freebsd-signal.h: New file.

From-SVN: r223845

futex_bits.h (sys_futex0): Change operands "op" and "val" to int.

* config/linux/x86/futex_bits.h (sys_futex0) [__x86_64__]: Change
operands "op" and "val" to int.

* config/linux/sh/futex_bits.h (sys_futex0) Change operands
"op" and "val" to int.

* config/linux/alpha/futex_bits.h (sys_futex0) Change operands
"op" and "val" to int.

* config/linux/futex.cc (gtm_futex_wait, gtm_futex_wake):
Declare as static int.
(FUTEX_PRIVATE_FLAG): Remove L suffix.
* config/linux/futex_bits.h (sys_futex0) Change operand "op" to int.

Revert:
* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]:
Change operand "op" to long.

From-SVN: r223844

re PR libstdc++/65352 (array<T,0>::begin()/end() etc. forms a null reference and breaks on clang+ubsan)

PR libstdc++/65352
* include/profile/array (array::data): Use _S_ptr.
* include/debug/array (array::data): Likewise.

From-SVN: r223838

utils.c (max_size): Add special code to deal with the subtraction of a "negative" value in an...

* gcc-interface/utils.c (max_size) <tcc_binary>: Add special code to
deal with the subtraction of a "negative" value in an unsigned type.

From-SVN: r223837

decl.c (gnat_to_gnu_entity): Do not error out on a return type which has a size that overflows if...

* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: Do
not error out on a return type which has a size that overflows if the
return is done by invisible reference.

From-SVN: r223836

utils.c (gnat_pushdecl): Reunify the handling of array and pointer types wrt DECL_ORIGINAL_TYPE and...

* gcc-interface/utils.c (gnat_pushdecl): Reunify the handling of array
and pointer types wrt DECL_ORIGINAL_TYPE and adjust left and right.

From-SVN: r223835

gigi.h (gnat_stabilize_reference): Adjust.

* gcc-interface/gigi.h (gnat_stabilize_reference): Adjust.
(rewrite_fn): Remove third parameter.
(type_is_padding_self_referential): New inline predicate.
(return_type_with_variable_size_p): Likewise.
* gcc-interface/decl.c (allocatable_size_p): More around.
(cannot_be_superflat_p): Rename into...
(cannot_be_superflat ): ...this.
(initial_value_needs_conversion): New predicate.
(gnat_to_gnu_entity): Invoke type_is_padding_self_referential,
initial_value_needs_conversion and adjust to above renaming.
For a renaming, force the materialization if the inner expression
is compound.  Adjust calls to elaborate_reference and build a
compound expression if needed.
(struct er_dat): Add N field.
(elaborate_reference_1): Remove N parameter and adjust.
(elaborate_reference): Add INIT parameter and pass it in the call to
gnat_rewrite_reference.  Adjust initial expression.
* gcc-interface/trans.c (Call_to_gnu): Treat renamings the same way as
regular object declarations when it comes to creating a temporary.
Adjust call to gnat_stabilize_reference and build a compound expression
  if needed.  Invoke return_type_with_variable_size_p.
(gnat_to_gnu): Invoke type_is_padding_self_referential.  In case #4,
return a call to a function unmodified if it returns with variable size
  and is also the initial expression in an object declaration.
* gcc-interface/utils2.c (build_binary_op) <INIT_EXPR>: Use the RHS'
type if it is a call to a function that returns with variable size.
(build_unary_op): Invoke type_is_padding_self_referential.
(gnat_stabilize_reference_1): Remove N parameter and adjust.
(gnat_stabilize_reference): Add INIT parameter and pass it in the call
to gnat_rewrite_reference.
(gnat_rewrite_reference):  Remove N, add INIT parameter and adjust.
<COMPOUND_EXPR>: New case.

From-SVN: r223834

configure: fix vtable help

Spacing is off causing --help to not line up.  Use the standard
AS_HELP_STRING like all the other options.

From-SVN: r223833

nios2-linux: add missing cpp specs

Define CPP_SPEC for nios2 linux targets so that -posix & -pthread work
like on all other linux targets.

Discovered via Gentoo bug https://bugs.gentoo.org/543114

From-SVN: r223823

microblaze-linux: add missing cpp specs

Define CPP_SPEC for microblaze linux targets so that -posix & -pthread
work like on all other linux targets.

Discovered via Gentoo bug https://bugs.gentoo.org/543114

From-SVN: r223822

futex.h (sys_futex0): Remove function.

* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]: Remove function.
(futex_wait) [!__x86_64__]: Use __asm operand instead of sys_futex0.
(futex_wake) [!__x86_64__]: Ditto.

From-SVN: r223821

hppa-linux: add missing cpp specs

Define CPP_SPEC for parisc linux targets so that -posix & -pthread work
like on all other linux targets.

Discovered via Gentoo bug https://bugs.gentoo.org/543114

From-SVN: r223820

tree-vect-loop.c (vect_fixup_reduc_chain): New function.

2015-05-28  Richard Biener  <rguenther@suse.de>

* tree-vect-loop.c (vect_fixup_reduc_chain): New function.
(vect_fixup_scalar_cycles_with_patterns): Likewise.
(vect_analyze_loop_2): Call vect_fixup_scalar_cycles_with_patterns
after pattern recog.
(vect_create_epilog_for_reduction): Properly handle reductions
with patterns.
(vectorizable_reduction): Likewise.
* tree-vect-slp.c (vect_analyze_slp_instance): Properly mark
reduction chains.
(vect_get_constant_vectors): Create the correct number of
initial values for reductions.
(vect_schedule_slp_instance): Handle reduction chains that are
type changing properly.
* tree-vect-stmts.c (vect_analyze_stmt): Adjust.

* gcc.dg/vect/slp-reduc-sad.c: New testcase.

From-SVN: r223818

[multiple changes]

2015-05-28  Ed Schonberg  <schonberg@adacore.com>

* sem_ch3.adb (Is_Visible_Component): Component is visible
in a derived type if inherited through an ancestor that has a
partial view of the original type holding the component, if the
full view of that original type is in scope.
* sem_util.ads (Get_Body_From_Stub): Works for all kinds of stubs.

2015-05-28  Bob Duff  <duff@adacore.com>

* sem_util.adb (Requires_Transient_Scope): For definite untagged
subtypes, we should never have to use the secondary stack. This moves
toward that goal. But there are still cases that don't work.
Here, we move the check for Is_Definite first, but add a
special-purpose check for Has_Discrim_Dep_Array.

From-SVN: r223817

re PR tree-optimization/66142 (Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE)

2015-05-28  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66142
* tree-ssa-sccvn.c (vn_reference_lookup_3): Handle non-GIMPLE
values better in memcpy destination handling.  Handle non-aliasing
we discover here.

* gcc.dg/tree-ssa/ssa-fre-44.c: Fixup.

From-SVN: r223816

sem_util.adb (Requires_Transient_Scope): Avoid returning function results on the secondary stack in so many cases.

2015-05-28  Bob Duff  <duff@adacore.com>

* sem_util.adb (Requires_Transient_Scope): Avoid returning
function results on the secondary stack in so many cases.

From-SVN: r223814

re PR target/63810 (gcc sets incorrect macro for OS X deployment targets)

2015-05-28  Lawrence Velázquez  <vq@larryv.me>

PR target/63810
* config/darwin-c.c (version_components): New global enum.
(parse_version, version_as_legacy_macro)
(version_as_modern_macro, macosx_version_as_macro): New functions.
(version_as_macro): Remove.
(darwin_cpp_builtins): Use new function.

testsuite:
PR target/63810
* gcc.dg/darwin-minversion-3.c: Update testcase.
* gcc.dg/darwin-minversion-4.c: Ditto.
* gcc.dg/darwin-minversion-5.c: New testcase.
* gcc.dg/darwin-minversion-6.c: Ditto.
* gcc.dg/darwin-minversion-7.c: Ditto.
* gcc.dg/darwin-minversion-8.c: Ditto.
* gcc.dg/darwin-minversion-9.c: Ditto.
* gcc.dg/darwin-minversion-10.c: Ditto.
* gcc.dg/darwin-minversion-11.c: Ditto.
* gcc.dg/darwin-minversion-12.c: Ditto.

From-SVN: r223808

re PR libstdc++/65352 (array<T,0>::begin()/end() etc. forms a null reference and breaks on clang+ubsan)

PR libstdc++/65352
* include/std/array (__array_traits::_S_ptr): New function.
(array::data): Use _S_ptr to avoid creating invalid reference.
* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
dg-error line numbers.
* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
likewise.

From-SVN: r223806

Mark parameters with ATTRIBUTE_UNUSED

* builtins.c (expand_builtin_acc_on_device): Mark parameters
with ATTRIBUTE_UNUSED.

From-SVN: r223805

sem_util.adb (Wrong_Type): In any instance...

2015-05-28  Ed Schonberg  <schonberg@adacore.com>

* sem_util.adb (Wrong_Type): In any instance, do not emit error
if type of expression is the partial view of the expected type.

2015-05-28  Ed Schonberg  <schonberg@adacore.com>

* sem_res.adb (Resolve_Actuals): a)  The replacement of formal
names in named associations only needs to be done within an
instance, on a call to a primitive of a formal derived type,
where the actual subprogram may have different formal names than
those of the primitive operation of the formal type.
b) Defaulted parameters must be taken into account when obtaining
the names of the formals of the actual subprogram being called.

From-SVN: r223804

oacc-init.c (resolve_device): Add FAIL_IS_ERROR argument.

* oacc-init.c (resolve_device): Add FAIL_IS_ERROR argument. Update
function comment. Only call gomp_fatal if new argument is true.
(acc_dev_num_out_of_range): New function.
(acc_init_1, acc_shutdown_1): Update call to resolve_device. Call
acc_dev_num_out_of_range as appropriate.
(acc_get_num_devices, acc_set_device_type, acc_get_device_type)
(acc_get_device_num, acc_set_device_num): Update calls to resolve_device.
* testsuite/libgomp.oacc-c-c++-common/lib-4.c: Update expected test
output.

From-SVN: r223803

re PR libgomp/65742 (Several libgomp.oacc-* failures after r221922.)

    PR libgomp/65742

    gcc/
    * builtins.c (expand_builtin_acc_on_device): Don't use open-coded
    sequence for !ACCEL_COMPILER.

    libgomp/
    * oacc-init.c (plugin/plugin-host.h): Include.
    (acc_on_device): Check whether we're in an offloaded region for
    host_nonshm
    plugin. Don't use __builtin_acc_on_device.
    * plugin/plugin-host.c (GOMP_OFFLOAD_openacc_parallel): Set
    nonshm_exec flag in thread-local data.
    (GOMP_OFFLOAD_openacc_create_thread_data): Allocate thread-local
    data for host_nonshm plugin.
    (GOMP_OFFLOAD_openacc_destroy_thread_data): Free thread-local data
    for host_nonshm plugin.
    * plugin/plugin-host.h: New.

From-SVN: r223801

[multiple changes]

2015-05-28  Robert Dewar  <dewar@adacore.com>

* sem_ch13.adb, sem_disp.ads: Minor reformatting.

2015-05-28  Ed Schonberg  <schonberg@adacore.com>

* sem_util.adb (Set_Debug_Info_Needed): For a private type
whose full view is itself a derived private type, set flag on
underlying full view as well, for proper gdb display.

2015-05-28  Bob Duff  <duff@adacore.com>

* exp_tss.ads: Minor comment fix.
* exp_ch3.adb (Build_Array_Init_Proc, Build_Record_Init_Proc):
Inline init_procs when the type has controlled parts. Remove
obsolete comments about those init_procs -- init_procs for
such types are no longer complex. A typical init_proc just
initializes the 'Tag field, and calls the parent init_proc
(e.g. for Limited_Controlled), which calls the grandparent
(for Root_Controlled), which does nothing. This all boils down
to one instruction when inlined.
* exp_ch7.adb (Create_Finalizer): Inline the finalizer.

2015-05-28  Ed Schonberg  <schonberg@adacore.com>

* sem_ch4.adb (Analyze_Selected_Component): If the type to use
is a derived type and is a generic actual, the selected component
appears within an instance body, and the check over the type
has failed, examine ancestor types for the desired component.
(Find_Component_In_Instance): If record type is a derived type,
examine all ancestors in order to locate desired component.

From-SVN: r223800

rx.c (push_regs): New function.

* config/rx/rx.c (push_regs): New function.  Extracts code from...
(rx_expand_prologue): ... here.  Use push_regs to push even small
spans of registers.
(pop_regs): New function.
(rx_expand_epilogue):  Use pop_regs to pop even small spans of
registers.

From-SVN: r223799

tree-vectorizer.h (struct _slp_instance): Remove body_cost_vec member.

2015-05-28  Richard Biener  <rguenther@suse.de>

* tree-vectorizer.h (struct _slp_instance): Remove body_cost_vec
member.
(SLP_INSTANCE_BODY_COST_VEC): Remove.
(vect_update_slp_costs_according_to_vf): Likewise.
(vect_slp_analyze_operations): Update prototype.
* tree-vect-loop.c (vect_analyze_loop_2): Remove call to
vect_update_slp_costs_according_to_vf, adjust.
* tree-vect-slp.c (vect_free_slp_instance): Adjust.
(vect_analyze_slp_cost_1): Likewise.
(vect_analyze_slp_cost): Likewise.  Properly deal with
widening reduction ops.  Commit body costs.
(vect_analyze_slp_instance): Adjust.  Do not analyze SLP
cost for loops from here.
(vect_slp_analyze_operations): But do it from here when
the vectorization factor is known and stmts are analyzed.
(vect_bb_vectorization_profitable_p): Simplify.
(vect_slp_analyze_bb_1): Do not compute SLP cost here.
(vect_update_slp_costs_according_to_vf): Remove.

From-SVN: r223798

Add --enable-default-pie option to GCC configure

Add --enable-default-pie option to configure GCC to generate PIE by
default.

gcc/

* Makefile.in (COMPILER): Add @NO_PIE_CFLAGS@.
(BUILD_CFLAGS): Likewise.
(BUILD_CXXFLAGS): Likewise.
(LINKER): Add @NO_PIE_FLAG@.
(BUILD_LDFLAGS): Likewise.
(libgcc.mvars): Set NO_PIE_CFLAGS to -fno-PIE for
--enable-default-pie.
* common.opt (fPIE): Initialize to -1.
(fpie): Likewise.
(no-pie): New option.
(pie): Replace "Negative(shared)" with "Negative(no-pie)".
* configure.ac: Add --enable-default-pie.
(NO_PIE_CFLAGS): New.  Check if -fno-PIE works.  AC_SUBST.
(NO_PIE_FLAG): New.  Check if -no-pie works.  AC_SUBST.
* defaults.h (DEFAULT_FLAG_PIE): New.  Default PIE to -fPIE.
* gcc.c (NO_PIE_SPEC): New.
(PIE_SPEC): Likewise.
(NO_FPIE1_SPEC): Likewise.
(FPIE1_SPEC): Likewise.
(NO_FPIE2_SPEC): Likewise.
(FPIE2_SPEC): Likewise.
(NO_FPIE2_SPEC): Likewise.
(FPIE_SPEC): Likewise.
(NO_FPIE_SPEC): Likewise.
(NO_FPIC1_SPEC): Likewise.
(FPIC1_SPEC): Likewise.
(NO_FPIC2_SPEC): Likewise.
(FPIC2_SPEC): Likewise.
(NO_FPIC2_SPEC): Likewise.
(FPIC_SPEC): Likewise.
(NO_FPIC_SPEC): Likewise.
(NO_FPIE1_AND_FPIC1_SPEC): Likewise.
(FPIE1_OR_FPIC1_SPEC): Likewise.
(NO_FPIE2_AND_FPIC2_SPEC): Likewise.
(FPIE2_OR_FPIC2_SPEC): Likewise.
(NO_FPIE_AND_FPIC_SPEC): Likewise.
(FPIE_OR_FPIC_SPEC): Likewise.
(LD_PIE_SPEC): Likewise.
(LINK_PIE_SPEC): Handle -no-pie.  Use PIE_SPEC and LD_PIE_SPEC.
* opts.c (finish_options): Update opts->x_flag_pie if it is -1.
* config/darwin.h (PIE_SPEC): Renamed to ...
(DARWIN_PIE_SPEC): This.
(LINK_SPEC): Replace PIE_SPEC with DARWIN_PIE_SPEC.
* config/darwin9.h (PIE_SPEC): Renamed to ...
(DARWIN_PIE_SPEC): This.
* config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Use
PIE_SPEC and NO_PIE_SPEC if HAVE_LD_PIE is defined.
* config/openbsd.h (ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and
FPIE2_OR_FPIC2_SPEC.
* config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
* config/m68k/openbsd.h (ASM_SPEC): Likewise.
* gcc/config/sol2.h (ASM_PIC_SPEC): Likewise.
* config/arm/freebsd.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
* config/arm/netbsd-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
* config/arm/semi.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise.
* config/cris/linux.h (CRIS_ASM_SUBTARGET_SPEC): Likewise.
* config/m32r/m32r.h (ASM_SPEC): Likewise.
* config/m68k/uclinux.h (DRIVER_SELF_SPECS): Likewise.
* config/rs6000/linux64.h (ASM_SPEC32): Likewise.
* config/rs6000/sysv4.h (ASM_SPEC): Likewise.
* config/sparc/freebsd.h (ASM_SPEC): Likewise.
* config/sparc/linux.h (ASM_SPEC): Likewise.
* config/sparc/linux64.h (ASM_SPEC): Likewise.
* config/sparc/netbsd-elf.h (ASM_SPEC): Likewise.
* config/sparc/openbsd64.h (ASM_SPEC): Likewise.
* config/sparc/sp-elf.h (ASM_SPEC): Likewise.
* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
* config/sparc/sparc.h (ASM_SPEC): Likewise.
* config/sparc/sysv4.h (ASM_SPEC): Likewise.
* config/sparc/vxworks.h (ASM_SPEC): Likewise.
* config/c6x/elf-common.h (ASM_SPEC): Use NO_FPIC2_SPEC,
FPIC2_SPEC, FPIC1_SPEC and FPIC2_SPEC.
* config/c6x/uclinux-elf.h (LINK_SPEC): Use FPIE_SPEC.
* config/frv/frv.h (DRIVER_SELF_SPECS): Use FPIC_SPEC,
NO_FPIC_SPEC and NO_FPIE1_AND_FPIC1_SPEC.
(ASM_SPEC): Use FPIE1_OR_FPIC1_SPEC and FPIE2_OR_FPIC2_SPEC.
* config/m68k/m68k.h (ASM_PCREL_SPEC): Use FPIC_SPEC and
NO_FPIC_SPEC.
* config/mips/gnu-user.h (NO_SHARED_SPECS): Use
NO_FPIE_AND_FPIC_SPEC.
* config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Use FPIC_SPEC.
* config/rs6000/freebsd64.h (ASM_SPEC32): Likewise.
* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
* config/vax/linux.h (ASM_SPEC): Likewise.
* doc/install.texi: Document --enable-default-pie.
* doc/invoke.texi: Document -no-pie.
* config.in: Regenerated.
* configure: Likewise.

gcc/ada/

* gcc-interface/Makefile.in (TOOLS_LIBS): Add @NO_PIE_FLAG@.

libgcc/

* Makefile.in (CRTSTUFF_CFLAGS): Add $(NO_PIE_CFLAGS).

From-SVN: r223796

Fix PR66168

From-SVN: r223795

re PR target/66148 (build/genpreds: Internal error: abort in choose_enum_order, at genpreds.c:1006)

PR target/66148
* config/pa/pa.c (pa_emit_move_sequence): Correct placement of
REG_EQUAL note when doing insert.

From-SVN: r223791

pa.c (pa_print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of "%d" for 'o' operand.

* config/pa/pa.c (pa_print_operand): Use HOST_WIDE_INT_PRINT_DEC
instead of "%d" for 'o' operand.

From-SVN: r223790

Daily bump.

From-SVN: r223788

re PR target/39726 ([cond-optab] ColdFire pessimizations on QImode/HImode tests)

        PR target/39726
        * gcc.dg/target/m68k/pr39726-1.c: New test.

From-SVN: r223781

wait.h (gomp_futex_wait, [...]): Declare as int.

2015-05-27  Uros Bizjak  <ubizjak@gmail.com>

* config/linux/wait.h (gomp_futex_wait, gomp_futex_wake):
Declare as int.
(FUTEX_PRIVATE_FLAG): Remove L suffix.
* config/linux/mutex.c (gomp_futex_wait, gomp_futex_wake):
Declare as int.

2015-05-27  Uros Bizjak  <ubizjak@gmail.com>

* config/linux/ia64/futex.h (sys_futex0) Change operand "op" to int.

2015-05-27  Uros Bizjak  <ubizjak@gmail.com>

Revert:
* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]:
Change operand "op" to long.

From-SVN: r223780

decl.c (check_redeclaration_exception_specification): Depend on -Wsystem-headers rather than -pedantic.

* decl.c (check_redeclaration_exception_specification): Depend on
-Wsystem-headers rather than -pedantic.

From-SVN: r223778

decl.c (warn_extern_redeclared_static): Use the location of newdecl in diagnostics, not input_location.

* decl.c (warn_extern_redeclared_static): Use the location of
newdecl in diagnostics, not input_location.
(validate_constexpr_redeclaration): Likewise.
(check_redeclaration_no_default_args): Likewise.
(duplicate_decls): Likewise.
(check_redeclaration_exception_specification): Likewise.
Change second diagnostic to inform.

From-SVN: r223777

apply to correct changelog

From-SVN: r223775

* warnings.m4: Fix comment.

From-SVN: r223774

re PR c++/66270 (ICE: canonical types differ for identical types)

PR c++/66270
* tree.c (build_pointer_type_for_mode): Canonical type does not
inherit can_alias_all.
(build_reference_type_for_mode): Likewise.

PR c++/66270
* g++.dg/ext/alias-canon3.C: New.

From-SVN: r223773

trans.c (elaborate_all_entities): Do not elaborate an incomplete type coming from a limited_with and whose...

* gcc-interface/trans.c (elaborate_all_entities): Do not elaborate an
incomplete type coming from a limited_with and whose non-limited view
comes from the main unit.

From-SVN: r223772

futex.h (sys_futex0): Change operand "op" to long.

libgomp/ChangeLog:

* config/linux/x86/futex.h (sys_futex0) [!__x86_64__]:
Change operand "op" to long.
[__PIC__]: Remove sys_futex0 function.

libitm/ChangeLog:

* config/linux/x86/futex_bits.h (sys_futex0) [!__x86_64__]:
Change operand "op" to long.
[__PIC__]: Remove sys_futex0 function.

From-SVN: r223771

expr.h (array_at_struct_end_p): Move to...

* expr.h (array_at_struct_end_p): Move to...
(array_ref_element_size): Likewise.
(component_ref_field_offset): Likewise.
* tree.h (array_ref_element_size): ...here.
(array_at_struct_end_p): Likewise.
(component_ref_field_offset): Likewise.
* expr.c (array_ref_element_size): Move to...
(array_ref_low_bound): Likewise.
(array_at_struct_end_p): Likewise.
(array_ref_up_bound): Likewise.
(component_ref_field_offset): Likewise.
* tree.c (array_ref_element_size): ...here.
(array_ref_low_bound): Likewise.
(array_ref_up_bound): Likewise.
(array_at_struct_end_p): Likewise.
(component_ref_field_offset): Likewise.

From-SVN: r223768

decl.c (gnat_to_gnu_entity): Move down code applying atomic checks to the object.

* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Move down
code applying atomic checks to the object.

From-SVN: r223767

[PATCH 3/13] aarch64 musl support

gcc/Changelog:

2015-05-27  Gregor Richards  <gregor.richards@uwaterloo.ca>
    Szabolcs Nagy  <szabolcs.nagy@arm.com>

* config/aarch64/aarch64-linux.h (MUSL_DYNAMIC_LINKER): Define.

Co-Authored-By: Szabolcs Nagy <szabolcs.nagy@arm.com>
From-SVN: r223766

config.host (i[34567]86-*-freebsd*, [...]): Set md_unwind_header

        * config.host (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Set
        md_unwind_header
        * config/i386/freebsd-unwind.h: New.

From-SVN: r223765

re PR bootstrap/66304 (Can't bootstrap on x86_64-linux-gnu with gcc 4.3.4)

PR bootstrap/66304
config/
* warnings.m4 (ACX_PROG_CXX_WARNING_OPTS)
(ACX_PROG_CXX_WARNINGS_ARE_ERRORS)
(ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New.
(ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC)
(ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context.
gcc/
* configure.ac: Use ACX_PROG_CXX_WARNING_OPTS,
ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC, and
ACX_PROG_CXX_WARNINGS_ARE_ERRORS.
* configure: Regenerate.

From-SVN: r223763

auto-profile.c (afdo_calculate_branch_prob): Break once has_sample is true.

* auto-profile.c (afdo_calculate_branch_prob): Break once has_sample is
true.

From-SVN: r223762

* statistics.c (statistics_fini_pass): Print pass name.

From-SVN: r223761

re PR tree-optimization/66272 (wrong code at -O3 on x86_64-linux-gnu)

2015-05-27  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66272
Revert parts of
2014-08-15  Richard Biener  <rguenther@suse.de>

PR tree-optimization/62031
* tree-data-ref.c (dr_analyze_indices): Do not set
DR_UNCONSTRAINED_BASE.
(dr_may_alias_p): All indirect accesses have to go the
formerly DR_UNCONSTRAINED_BASE path.
* tree-data-ref.h (struct indices): Remove
unconstrained_base member.
(DR_UNCONSTRAINED_BASE): Remove.

* gcc.dg/torture/pr66272.c: New testcase.

From-SVN: r223759

dwarf2out.c: Remove block_map.

* dwarf2out.c: Remove block_map.
(gen_call_site_die): Replace block_map use with BLOCK_DIE.
(gen_lexical_block_die): Same.
(dwarf2out_function_decl): Remove block_map use.
(dwarf2out_c_finalize): Same.
* tree-core.h (struct tree_block): Add die field.
* tree.h (BLOCK_DIE): New.

From-SVN: r223758

slp-reduc-7.c: New testcase.

2015-05-27  Richard Biener  <rguenther@suse.de>

* gcc.dg/vect/slp-reduc-7.c: New testcase.

From-SVN: r223756

[multiple changes]

2015-05-27  Robert Dewar  <dewar@adacore.com>

* sem_aux.adb: Minor rewording.

2015-05-27  Bob Duff  <duff@adacore.com>

* exp_prag.adb (Expand_Pragma_Abort_Defer): Make
pragma Abort_Defer do nothing if Abort_Allowed is False.

2015-05-27  Arnaud Charlet  <charlet@adacore.com>

* exp_ch9.adb, sem_util.adb, sem_util.ads, s-stposu.adb, s-spsufi.ads,
sem_elab.ads, g-comlin.ads, errout.ads, exp_ch6.adb, sem_ch4.adb,
opt.ads, s-bignum.adb, output.ads, sem_ch13.adb, erroutc.ads,
sem_disp.ads, exp_ch3.adb: Minor fixes of duplicate words in comments.

2015-05-27  Doug Rupp  <rupp@adacore.com>

* adaint.c (__gnat_tmp_name) [vxworks]: Robustify and use for rtp as
well as kernel.

2015-05-27  Pierre-Marie de Rodat  <derodat@adacore.com>

* par_sco.adb (Process_Decision): Store sloc to
condition/pragmas SCOs associations into a temporary table before
moving them to the SCO_Raw_Hash_Table so that we can back them
out just like we do for SCO entries that are simple decisions
in an expression context.

From-SVN: r223754

[expr.c] PR target/65358 Avoid clobbering partial argument during sibcall

PR target/65358
* expr.c (memory_load_overlap): New function.
(emit_push_insn): When pushing partial args to the stack would
clobber the register part load the overlapping part into a pseudo
and put it into the hard reg after pushing.  Change return type
to bool.  Add bool argument.
* expr.h (emit_push_insn): Change return type to bool.
Add bool argument.
* calls.c (expand_call): Cancel sibcall optimization when encountering
partial argument on targets with ARGS_GROW_DOWNWARD and
!STACK_GROWS_DOWNWARD.
(emit_library_call_value_1): Update callsite of emit_push_insn.
(store_one_arg): Likewise.

PR target/65358
* gcc.dg/pr65358.c: New test.

From-SVN: r223753

[multiple changes]

2015-05-27  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Process_Formals): A non-private formal type that
is a limited view does not have a list of private dependents.

2015-05-27  Ed Schonberg  <schonberg@adacore.com>

* exp_ch5.adb (Expand_N_Case_Statement): If the expression in
the case statement is a compile-time known value, we look for a
corresponding alternative to optimize the case statement into a
single case. If the type has a static predicate and the expression
does not satisfy the predicate, there is no legal alternative and
this optimization is not applicable.  Excecution is erroneous,
or else if assertions are enabled, an exception will be raised
earlier, at the point the expression is elaborated.

2015-05-27  Robert Dewar  <dewar@adacore.com>

* sem_elab.adb (Check_Internal_Call_Continue): Suppress
warning on Finalize, Adjust, or Initialize if type involved has
Warnings_Off set.

2015-05-27  Ed Schonberg  <schonberg@adacore.com>

* sem_aux.adb, sem_aux.ads (First_Discriminant): Return empty when
applied to a type with no known discriminants.

From-SVN: r223752

[multiple changes]

2015-05-26  Robert Dewar  <dewar@adacore.com>

* errout.ads, sem_ch4.adb, sem_ch6.adb: Minor reformatting.

2015-05-26  Bob Duff  <duff@adacore.com>

* sem_elab.adb (Check_A_Call): In the case where we're
calling something in an instance of a generic package that is
within this same unit (as the call), make sure we treat it
as a call to an entity within the same unit. That is, call
Check_Internal_Call, rather than putting "Elaborate_All(X)"
on X, which would necessarily result in an elaboration cycle in
static-elaboration mode.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

* freeze.ads (Is_Atomic_VFA_Aggregate): Adjust profile.
* freeze.adb (Is_Atomic_VFA_Aggregate): Change Entity
parameter into Node parameter and remove Type parameter.
Look at Is_Atomic_Or_VFA both on the type and on the object.
(Freeze_Entity): Adjust call to Is_Atomic_VFA_Aggregate.
* exp_aggr.adb (Expand_Record_Aggregate): Likewise.
(Process_Atomic_Independent_Shared_Volatile): Remove code
propagating Atomic or VFA from object to locally-defined type.

2015-05-26  Bob Duff  <duff@adacore.com>

* exp_ch7.adb: Minor comment fix.

From-SVN: r223751

LTO balanced map: add stats about insns and symbols.

* lto-partition.c (new_partition): Reset number of symbols.
(add_symbol_to_partition_1): Increment number of symbols.
(undo_partition): Decrement number of symbols.
(lto_balanced_map): Dump number of symbols and insns that
belong to a partition.
* lto-partition.h (struct ltrans_partition_def): Add symbol counter.

From-SVN: r223750

[PATCH 4/13] arm musl support

On behalf of szabolcs.nagy@arm.com

2015-05-27  Gregor Richards  <gregor.richards@uwaterloo.ca>

* config/arm/linux-eabi.h (MUSL_DYNAMIC_LINKER): Define.

From-SVN: r223749

New memory allocation statistics infrastructure.

* Makefile.in: Add additional dependencies related to memory report
enhancement.
* alloc-pool.c (allocate_pool_descriptor): Use new ctor.
* bitmap.c (struct bitmap_descriptor_d): Remove.
(struct loc): Likewise.
(struct bitmap_desc_hasher): Likewise.
(bitmap_desc_hasher::hash): Likewise.
(bitmap_desc_hasher::equal): Likewise.
(get_bitmap_descriptor): Likewise.
(bitmap_register): User new memory descriptor API.
(register_overhead): Likewise.
(bitmap_find_bit): Register nsearches and search_iter statistics.
(struct bitmap_output_info): Remove.
(print_statistics): Likewise.
(dump_bitmap_statistics): Use new memory descriptor.
* bitmap.h (struct bitmap_usage): New class.
* genmatch.c: Extend header file inclusion.
* genpreds.c: Likewise.
* ggc-common.c (struct ggc_usage): New class.
(struct ggc_loc_desc_hasher): Remove.
(ggc_loc_desc_hasher::hash): Likewise.
(ggc_loc_desc_hasher::equal): Likewise.
(struct ggc_ptr_hash_entry): Likewise.
(struct ptr_hash_hasher): Likewise.
(ptr_hash_hasher::hash): Likewise.
(ptr_hash_hasher::equal): Likewise.
(make_loc_descriptor): Likewise.
(ggc_prune_ptr): Likewise.
(dump_ggc_loc_statistics): Use new memory descriptor.
(ggc_record_overhead): Likewise.
(ggc_free_overhead): Likewise.
(final_cmp_statistic): Remove.
(cmp_statistic): Likewise.
(ggc_add_statistics): Liekwise.
(ggc_prune_overhead_list): Likewise.
* hash-map-traits.h: New file.
* hash-map.h (struct default_hashmap_traits): Move the traits to a
separate header file.
* hash-set.h: Pass memory statistics info to ctor.
* hash-table.c (void dump_hash_table_loc_statistics): New function.
* hash-table.h (hash_table::hash_table): Add new ctor arguments.
(hash_table::~hash_table): Register memory release operation.
(hash_table::alloc_entries): Handle memory allocation operation.
(hash_table::expand): Likewise.
* inchash.c (iterative_hash_hashval_t): Move implementation to header
file.
(iterative_hash_host_wide_int): Likewise.
* inchash.h (class hash): Likewise.
* mem-stats-traits.h: New file.
* mem-stats.h: New file.
(mem_location): Add new class.
(mem_usage): Likewise.
(mem_alloc_description): Likewise.
* sese.c: Add new header file inclusision.
* toplev.c (dump_memory_report): Add report for hash_table, hash_map
and hash_set.
* tree-sra.c: Add new header file inclusision.
* vec.c (struct vec_descriptor): Remove.
(hash_descriptor): Likewise.
(struct vec_usage): Likewise.
(struct ptr_hash_entry): Likewise.
(hash_ptr): Likewise.
(eq_ptr): Likewise.
(vec_prefix::register_overhead): Use new memory descriptor API.
(vec_prefix::release_overhead): Likewise.
(add_statistics): Remove.
(dump_vec_loc_statistics): Use new memory descriptor API.
* vec.h (struct vec_prefix): Likewise.
(va_heap::reserve): Likewise.
(va_heap::release): Likewise.
* emit-rtl.c (gen_raw_REG): Fix passing MEM_STAT.

From-SVN: r223748

stl_tree.h (_Rb_tree::_M_end()): Return _Base_ptr instead of downcasting.

* include/bits/stl_tree.h (_Rb_tree::_M_end()): Return _Base_ptr
instead of downcasting.
(_Rb_tree::_M_copy): Change second parameter to _Base_ptr.
(_Rb_tree::_M_lower_bound, _Rb_tree:_M_upper_bound): Likewise.
(_Rb_tree::_S_iter): Remove.
(_Rb_tree::_S_lower_bound_tr, _Rb_tree::_S_upper_bound_tr): Remove.
(_Rb_tree::_M_find_tr(const _Kt&) const): Call _M_lower_bound_tr
instead of _S_lower_bound_tr
(_Rb_tree::_M_find_tr(const _Kt&)): Call const overload.
(_Rb_tree::_M_lower_bound_tr(const _Kt&) const): Do the search here
instead of calling _S_lower_bound_tr.
(_Rb_tree::_M_lower_bound_tr(const _Kt&)): Call const overload.
(_Rb_tree::_M_upper_bound_tr(const _Kt&) const): Do the search here
instead of calling _S_upper_bound_tr.
(_Rb_tree::_M_upper_bound_tr(const _Kt&)): Call const overload.
(_Rb_tree::_M_equal_range_tr(const _Kt&)): Likewise.
(_Rb_tree::equal_range): Use _Base_ptr for end pointer.
(_Rb_tree::_M_get_insert_unique_pos): Likewise.
(_Rb_tree::_M_get_insert_equal_pos): Likewise.
(_Rb_tree::_M_insert_equal_lower_node): Likewise.
(_Rb_tree::_M_insert_unique, _Rb_tree::_M_emplace_unique,
_Rb_tree::_M_emplace_hint_unique): Remove static_cast.

From-SVN: r223746

re PR libstdc++/66017 (Undefined behaviour in std::set<long long>)

PR libstdc++/66017
* include/bits/stl_tree.h (_Rb_tree_node): Use __aligned_membuf.
(_Rb_tree_iterator, _Rb_tree_const_iterator): Support construction
from _Base_ptr.
(_Rb_tree_const_iterator::_M_const_cast): Remove static_cast.
(_Rb_tree::begin, _Rb_tree::end): Remove static_cast.
* include/ext/aligned_buffer.h (__aligned_membuf): New type using
alignment of _Tp as a member subobject, not as a complete object.
* python/libstdcxx/v6/printers.py (StdRbtreeIteratorPrinter): Lookup
_Link_type manually as it might not be in the debug info.

From-SVN: r223745

tree-vect-stmts.c (vectorizable_load): Initialize slp_perm earlier and remove ??? comment.

2015-05-27  Richard Biener  <rguenther@suse.de>

* tree-vect-stmts.c (vectorizable_load): Initialize slp_perm
earlier and remove ??? comment.
(vect_analyze_stmt): If we are analyzing a pure SLP stmt
and got called from loop analysis bail out.  Always pass the SLP
node to the vectorizable_* functions.
* tree-vect-loop.c (vect_analyze_loop_operations): Remove
the premature SLP check here.
* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Dump hybrid
detected SLP stmts.
(vect_detect_hybrid_slp_1): Likewise.

From-SVN: r223743

trans-stmt.c (gfc_trans_allocate): Add missing location information for e3rhs.

gcc/fortran/ChangeLog:

2015-05-27  Andre Vehreschild  <vehre@gmx.de>

* trans-stmt.c (gfc_trans_allocate): Add missing location
information for e3rhs.

gcc/testsuite/ChangeLog:

2015-05-27  Andre Vehreschild  <vehre@gmx.de>

* gfortran.dg/allocate_with_source_5.f90: Correct errorneous
semantic.
* gfortran.dg/allocate_with_source_6.f90: New test.

From-SVN: r223738

target.c (gomp_map_pointer): New function abstracting out GOMP_MAP_POINTER handling.

2015-05-27  Chung-Lin Tang  <cltang@codesourcery.com>

libgomp/
* target.c (gomp_map_pointer): New function abstracting out
GOMP_MAP_POINTER handling.
(gomp_map_vars): Remove GOMP_MAP_POINTER handling code and use
gomp_map_pointer().

From-SVN: r223737

combine.c (find_split_point): Verify that the shift count is a constant when...

       * combine.c (find_split_point): Verify that the shift count is a
       constant when choosing (plus (ashift ...)) as a split point.

From-SVN: r223736

tree-ssa-threadupdate.c: Replace 8 space sequences with tabs.

        * tree-ssa-threadupdate.c: Replace 8 space sequences with tabs.
        No functional changes.

From-SVN: r223734

* ipa-polymorphic-call.c
(ipa_polymorphic_call_context::get_dynamic_type): Short circuit the
case when call target is already known.

From-SVN: r223733

Daily bump.

From-SVN: r223729

xmethods.py (UniquePtrMethodsMatcher): Add operator-> support.

* python/libstdcxx/v6/xmethods.py (UniquePtrMethodsMatcher): Add
operator-> support.
* testsuite/libstdc++-xmethods/unique_ptr.cc: Add tests for
operator->.

From-SVN: r223723

re PR target/65979 ([SH] Wrong code is generated with stage1 compiler)

PR target/65979
* config/sh/sh.md (tstsi_t peephole2): Use gen_rtx_SET and take into
  account the case that operands[1] and operands[2] are the same register.

From-SVN: r223721

trans.c (Attribute_to_gnu): Do not bother about NaN's if Machine_Overflows is true.

* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Min/Attr_Max>: Do not
bother about NaN's if Machine_Overflows is true.

From-SVN: r223717

trans.c (gnat_to_gnu): Really force evaluation of the expression...

* gcc-interface/trans.c (gnat_to_gnu) <N_Object_Declaration>: Really
force evaluation of the expression, if any, when the object has its
elaboration delayed.  Do not create a variable at global level.

From-SVN: r223716

trans.c (Attribute_to_gnu): Do not apply extra-precision trick to literals.

* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Machine>: Do not apply
extra-precision trick to literals.  Build SAVE_EXPR manually.

* gcc-interface/misc.c (enumerate_modes): Add bypass for x86/x86-64.

From-SVN: r223715

ada-tree.h (DECL_GLOBAL_NONCONSTANT_RENAMING_P): Delete

* gcc-interface/ada-tree.h (DECL_GLOBAL_NONCONSTANT_RENAMING_P): Delete
(DECL_RENAMED_OBJECT): Adjust comment.
* gcc-interface/gigi.h (record_global_nonconstant_renaming): Delete.
(invalidate_global_nonconstant_renamings): Likewise.
(gnat_constant_reference_p): Likewise.
(rewrite_fn): New function type.
(gnat_rewrite_reference): Declare.
(call_is_atomic_load): New inline predicate.
* gcc-interface/decl.c (elaborate_reference_1): New function.
(elaborate_reference): Likewise.
(gnat_to_gnu_entity): Call elaborate_reference to elaborate renamings
and simplify associated code.  Set const_flag to true consistently in
  conjunction with used_by_ref.
* gcc-interface/trans.c (Identifier_to_gnu): Always replace renaming
pointers by renamed objects.
(outer_atomic_access_required_p): Deal with renamings.
(Compilation_Unit_to_gnu): Do not call
invalidate_global_nonconstant_renamings.
(gnat_to_gnu) <N_Object_Renaming_Declaration>: Adjust comment.
(gnat_gimplify_expr): Deal with atomic loads.
* gcc-interface/utils.c (global_nonconstant_renamings): Delete.
(destroy_gnat_utils): Do not call
invalidate_global_nonconstant_renamings.
(record_global_nonconstant_renaming): Delete.
(invalidate_global_nonconstant_renamings): Likewise.
* gcc-interface/utils2.c (call_is_atomic_load): Move to gigi.h.
(build_load_modify_store): Build a copy of the destination.
(gnat_stabilize_reference_1): Adjust.
(gnat_stabilize_reference): Call gnat_stabilize_reference_1 through
gnat_rewrite_reference and move bulk of code to...
(gnat_rewrite_reference): ...here.  New global function.
(gnat_constant_reference_p): Delete.

From-SVN: r223709

gigi.h (gnat_stabilize_reference): Adjust prototype.

* gcc-interface/gigi.h (gnat_stabilize_reference): Adjust prototype.
* gcc-interface/decl.c (gnat_to_gnu_entity): Do not rely on const_flag
  to detect constant renamings.  Be prepared for specific pattern of
renamed object based on function calls.  Create a constant object
for the renaming of a NULL_EXPR or of a CONSTRUCTOR.  Adjust calls
to gnat_stabilize_reference and tidy up.  Remove redundant tests.
(elaborate_expression_1): Remove obsolete test and tidy up.
* gcc-interface/trans.c (Call_to_gnu): Do not stabilize In/Out or Out
parameters passed by reference.
(gnat_to_gnu) <N_Selected_Component>: Remove redundant protection again
side-effects.
Use gnat_protect_expr instead of gnat_stabilize_reference for general
protection against side-effects.
* gcc-interface/utils2.c (gnat_stable_expr_p): New predicate.
(gnat_save_expr): Invoke it.
(gnat_protect_expr): Likewise.
(gnat_stabilize_reference_1): Likewise.  Remove useless propagation
of TREE_THIS_NOTRAP.
(gnat_stabilize_reference): Remove parameter and adjust throughout.
Delete ADDR_EXDR, COMPOUND_EXPR and CONSTRUCTOR cases.
Restrict CALL_EXPR case to atomic loads and tweak ERROR_MARK case.

From-SVN: r223708

jni.exp (gcj_jni_get_cxxflags_invocation): Add libiconv for FreeBSD to cxxflags.

2015-05-26  Andreas Tobler  <andreast@gcc.gnu.org>

    * testsuite/libjava.jni/jni.exp (gcj_jni_get_cxxflags_invocation): Add
    libiconv for FreeBSD to cxxflags.

From-SVN: r223706

line-map.c (LINE_MAP_MAX_COLUMN_NUMBER LINE_MAP_MAX_LOCATION_WITH_COLS,LINE_MAP_MAX_SOURCE_LOCATION): New constants.

libcpp/ChangeLog:

2015-05-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

* line-map.c (LINE_MAP_MAX_COLUMN_NUMBER
LINE_MAP_MAX_LOCATION_WITH_COLS,LINE_MAP_MAX_SOURCE_LOCATION):
New constants.
(linemap_line_start): Use them.
(linemap_position_for_column): Use them.

From-SVN: r223705

re PR middle-end/66251 (ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1484)

PR middle-end/66251

* tree-vect-stmts.c (vect_model_store_cost): Handled strided group
stores.
(vect_create_vectorized_demotion_stmts): Always set
STMT_VINFO_VEC_STMT, also with SLP.
(vectorizable_store): Handle strided group stores.

testsuite/:
PR middle-end/66251
* gcc.dg/vect/pr66251.c: New test.

From-SVN: r223704

re PR target/66049 (Few AArch64 extend and add with shift tests generates sub optimal code with trunk gcc 6.0.)

2015-05-26  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>

        PR target/66049
        * config/aarch64/aarch64.md
        (*adds_shift_imm_<mode>):  New pattern.
        (*subs_shift_imm_<mode>):  Likewise.
        (*adds_<optab><ALLX:mode>_shift_<GPI:mode>):  Likewise.
        (*subs_<optab><ALLX:mode>_shift_<GPI:mode>): Likewise.
        (*add_uxt<mode>_shift2): Likewise.
        (*add_uxtsi_shift2_uxtw): Likewise.
        (*sub_uxt<mode>_shift2): Likewise.
        (*sub_uxtsi_shift2_uxtw): Likewise.

From-SVN: r223703

* config/rs6000/constraints.md (Y, U): Use match_test.

From-SVN: r223702

fix entry

From-SVN: r223701

fix entry

From-SVN: r223700

re PR target/52144 (ARM should support arm/thumb function attribute to permit different instruction sets in the same source)

 2015-05-13  Christian Bruel  <christian.bruel@st.com>

PR target/52144
* config/arm/arm.c (arm_option_check_internal)
(arm_option_params_internal): Check opts->target_flags to set macros.
(TREE_TARGET_ARM, TREE_TARGET_THUMB)
(TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Replace with...
(TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
(builtin_define): Replaced with def_or_undef_macro.
* config/arm/arm.h (TREE_TARGET_ARM, TREE_TARGET_THUMB)
TREE_TARGET_THUMB1, TREE_TARGET_THUMB2) Redefine with...
(TARGET_ARM_P, TARGET_THUMB_P, TARGET_THUMB1_P, TARGET_THUMB2_P)
(TARGET_32BIT_P, TARGET_ARM_QBIT_P, TARGET_ARM_SAT_P, TARGET_IDIV_P)
(TARGET_HAVE_LDREX_P, TARGET_HAVE_LDREXBH_P, TARGET_HAVE_LDREXD_P)
(TARGET_ARM_FEATURE_LDREX_P)
(TARGET_DSP_MULTIPLY_P, TARGET_INT_SIMD_P): New macros.
(def_or_undef_macro): New function.

From-SVN: r223699

2015-05-26  Christian Bruel  <christian.bruel@st.com>

* c-common.h (builtin_define_with_int_value)
(builtin_define_type_sizeof): Declare.
* c-cppbuiltin.c (builtin_define_with_int_value)
(builtin_define_type_sizeof): Externalize.
(builtin_define_std): Cleanup declaration.
* config/arm/arm-protos.h (arm_cpu_cpp_builtins): Declare.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Move macro defines into...
* config/arm/arm-c.c (arm_cpu_cpp_builtins): New function.
(builtin_define, builtin_assert): New macros.

From-SVN: r223698

re PR tree-optimization/66142 (Loop is not vectorized because not sufficient support for GOMP_SIMD_LANE)

2015-05-26  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66142
* tree-ssa-sccvn.c (vn_reference_lookup_3): Manually compare
MEM_REFs for the same base address.

* gcc.dg/tree-ssa/ssa-fre-44.c: New testcase.

From-SVN: r223697

[multiple changes]

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

* sinfo.ads: Minor reformatting.
* sem_aux.ads: Clarify use of First_Discriminant.
* sem_ch4.adb (Analyze_Explicit_Dereference): The use of a limited
view is replaced with the non-limited view in an instance body,
where the enclosing unit must have a regular with_clause on the
relevant unit.
* sem_ch12.adb (Install_Body): Freeze instantation after its
body. Remove useless freeze nodes for incomplete actuals to
prevent multiple generation of internal operations.
(Instantiate_Package_Body): Set sloc of body appropriately when
there are incomplete actuals and the instance body is placed in
the body of the enclosing unit.
* errout.ads: Consistent punctuation, better alignment and trivial
typos in comments.
* err_vars.ads: Fix typo.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

* sem_ch8.adb (Analyze_Object_Renaming): Lift restriction on
components of Volatile_Full_Access objects.

2015-05-26  Ed Schonberg  <schonberg@adacore.com>

* sem_ch6.adb (Is_Non_Overriding_Operation,
Get_Generic_Parent_Type): Handle properly the case of a derived
scalar type by using the first subtype rather than its generated
anonymous base type.

2015-05-26  Eric Botcazou  <ebotcazou@adacore.com>

* einfo.adb (Write_Field17_Name): Move E_Incomplete_Subtype
case to...
(Write_Field19_Name): ...here.

From-SVN: r223696

re PR ipa/66181 (/usr/include/bits/types.h:134:16: ICE: verify_type failed)

Fix PR ipa/66181

2015-05-26  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

PR ipa/66181
* tree.c (verify_type_variant): Do not check TYPE_NO_FORCE_BLK.

From-SVN: r223695

configure.ac: Set CXXFLAGS for ISL test.

* configure.ac: Set CXXFLAGS for ISL test.
* configure: Regenerate.

From-SVN: r223694

configure.ac: When bootstrapping with GCC, add -std=c++98 to CXX.

* configure.ac: When bootstrapping with GCC, add -std=c++98 to CXX.
* configure: Regenerate.

From-SVN: r223692

configure.ac: Use C++ for all tests.

* configure.ac: Use C++ for all tests.  Use AC_CHECK_DECLS for
strstr and basename.
* configure: Regenerate.

From-SVN: r223691

fold-const.c (fold_binary_loc): Move X % -Y -> X % Y and X % C -> X & (C - 1) for C being a power-of two to ...

2015-05-26  Richard Biener  <rguenther@suse.de>

* fold-const.c (fold_binary_loc): Move X % -Y -> X % Y and
X % C -> X & (C - 1) for C being a power-of two to ...
* match.pd: ... patterns.

From-SVN: r223690

match.pd (swapped_tcc_comparison): New operator list.

2015-05-26  Marc Glisse  <marc.glisse@inria.fr>

* match.pd (swapped_tcc_comparison): New operator list.
(-A CMP -B): New simplification.
* fold-const.c (fold_comparison): Remove corresponding code.

From-SVN: r223689

caller-save.c (init_caller_save): Base temporary register numbers on LAST_VIRTUAL_REGISTER + 1 rather than...

gcc/
* caller-save.c (init_caller_save): Base temporary register numbers
on LAST_VIRTUAL_REGISTER + 1 rather than FIRST_PSEUDO_REGISTER.
* cfgloopanal.c (init_set_costs): Likewise.
* dojump.c (prefer_and_bit_test): Likewise.
* expr.c (init_expr_target): Likewise.
* ira.c (setup_prohibited_mode_move_regs): Likewise.
* lower-subreg.c (init_lower_subreg): Likewise.
* postreload.c (reload_cse_regs_1): Likewise.

From-SVN: r223688