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gcc/
Backport from 2014-05-09 trunk r210267
PR target/61055
* config/avr/avr.md (cc): Add new attribute set_vzn.
(addqi3, negqi2) [cc]:
Set cc insn attribute to set_vzn instead of set_zn for alternatives
with INC, DEC or NEG.
* config/avr/avr.c (avr_notice_update_cc): Handle SET_VZN.
(avr_out_plus_1): ADIW sets cc0 to CC_SET_CZN.
INC, DEC set cc0 to CC_CLOBBER.

gcc/testsuite/
Backport from 2014-05-09 trunk r210267
PR target/61055
* gcc.target/avr/torture/pr61055.c: New test.

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2014-05-08  Joshua Gay  <jgay@gnu.org>

PR libstdc++/61117
* doc/xml/faq.xml (faq.license.what_restrictions): Replace "open
source" with "free software".
* doc/html/faq.html: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210242 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-08  Charles Baylis  <charles.baylis@linaro.org>

        Backport from mainline
        2014-04-07  Charles Baylis  <charles.baylis@linaro.org>

        PR target/60609
        * config/arm/arm.h (ASM_OUTPUT_CASE_END): Remove.
        (LABEL_ALIGN_AFTER_BARRIER): Align barriers which occur after
        ADDR_DIFF_VEC.

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Backported from mainline
2013-10-21  Marek Polacek  <polacek@redhat.com>

PR middle-end/58809
* fold-const.c (fold_range_test): Return 0 if the type is not
an integral type.

* gcc.dg/gomp/pr58809.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210180 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-12-03  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/59011
* gimplify.c (nonlocal_vla_vars): New variable.
(gimplify_var_or_parm_decl): Put VAR_DECLs for VLAs into
nonlocal_vla_vars chain.
(gimplify_body): Call declare_vars on nonlocal_vla_vars chain
if outer_bind has DECL_INITIAL (current_function_decl) block.

* gcc.dg/pr59011.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210179 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-28  Jakub Jelinek  <jakub@redhat.com>

PR c++/59297
* semantics.c (finish_omp_atomic): Call finish_expr_stmt
rather than add_stmt.

* g++.dg/gomp/pr59297.C: New test.

2013-05-31  Jason Merrill  <jason@redhat.com>

PR c++/56930
* semantics.c (potential_constant_expression_1): Handle OMP_ATOMIC*.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210178 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-27  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/59014
* gcc.c-torture/execute/pr59014-2.c: New test.

2013-11-26  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/59014
* tree-vrp.c (register_edge_assert_for_1): Don't look
through conversions from non-integral types or through
narrowing conversions.

* gcc.c-torture/execute/pr59014.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210177 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-14  Jakub Jelinek  <jakub@redhat.com>
    Uros Bizjak  <ubizjak@gmail.com>

PR target/59101
* config/i386/i386.md (*anddi_2): Only allow CCZmode if
operands[2] satisfies_constraint_Z that might have bit 31 set.

* gcc.c-torture/execute/pr59101.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210176 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-30  Jakub Jelinek  <jakub@redhat.com>

PR middle-end/58564
* fold-const.c (fold_ternary_loc): For A < 0 : <sign bit of A> : 0
optimization, punt if sign_bit_p looked through any zero extension.

* gcc.c-torture/execute/pr58564.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210174 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-10  Jakub Jelinek  <jakub@redhat.com>

PR rtl-optimization/58365
* cfgcleanup.c (merge_memattrs): Also clear MEM_READONLY_P
resp. MEM_NOTRAP_P if they differ, or set MEM_VOLATILE_P if
it differs.

* gcc.c-torture/execute/pr58365.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210173 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-09  Jakub Jelinek  <jakub@redhat.com>

PR c++/58325
* init.c (build_vec_delete): Call mark_rvalue_use on base.

* g++.dg/warn/Wunused-var-21.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210172 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-08-30  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/58277
* tree-ssa-strlen.c (strlen_enter_block): If do_invalidate gave up
after seeing too many stmts with vdef in between dombb and current
bb, invalidate everything.

* gcc.c-torture/execute/pr58277-1.c: New test.
* gcc.c-torture/execute/pr58277-2.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210171 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-08-23  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/58209
* tree-tailcall.c (find_tail_calls): Give up for pointer result types
if m or a is non-NULL.

* gcc.c-torture/execute/pr58209.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210170 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-07-03  Jakub Jelinek  <jakub@redhat.com>

PR target/57777
* config/i386/predicates.md (vsib_address_operand): Disallow
SYMBOL_REF or LABEL_REF in parts.disp if TARGET_64BIT && flag_pic.

* gcc.target/i386/pr57777.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210169 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-06-27  Jakub Jelinek  <jakub@redhat.com>

PR target/57623
* config/i386/i386.md (bmi_bextr_<mode>): Swap predicates and
constraints of operand 1 and 2.

* gcc.target/i386/bmi-bextr-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210168 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-06-27  Jakub Jelinek  <jakub@redhat.com>

PR target/57623
* config/i386/i386.md (bmi2_bzhi_<mode>3): Swap AND arguments
to match RTL canonicalization.  Swap predicates and
constraints of operand 1 and 2.

* gcc.target/i386/bmi2-bzhi-1.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210166 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-07  Richard Biener  <rguenther@suse.de>

Backport from mainline
2013-11-19  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59164
* tree-vect-loop.c (vect_analyze_loop_operations): Adjust
check whether we can create an epilogue loop to reflect the
cases where we create one.

* gcc.dg/torture/pr59164.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210154 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-07  Richard Biener  <rguenther@suse.de>

Backport from mainline
2013-11-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59334
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug
in previous commit.

2013-11-28  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59330
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Simplify
and fix delayed marking of free calls not necessary.

* gcc.dg/torture/pr59330.c: New testcase.

2014-01-09  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59715
* tree-cfg.h (split_critical_edges): Declare.
* tree-cfg.c (split_critical_edges): Export.
* tree-ssa-sink.c (execute_sink_code): Split critical edges.

* gcc.dg/torture/pr59715.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210147 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-07  Richard Biener  <rguenther@suse.de>

Backport from mainline
2013-11-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59334
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug
in previous commit.

2013-11-28  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59330
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Simplify
and fix delayed marking of free calls not necessary.

* gcc.dg/torture/pr59330.c: New testcase.

2014-01-09  Richard Biener  <rguenther@suse.de>

PR tree-optimization/59715
* tree-cfg.h (split_critical_edges): Declare.
* tree-cfg.c (split_critical_edges): Export.
* tree-ssa-sink.c (execute_sink_code): Split critical edges.

* gcc.dg/torture/pr59715.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210146 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-07  Richard Biener  <rguenther@suse.de>

PR tree-optimization/57864
* tree-ssa-pre.c (phi_translate_1): Backport NAME case
simplification from mainline.  Do not lookup the VN
value-number here.

* gcc.dg/torture/pr57864.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210144 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-07  Richard Biener  <rguenther@suse.de>

Backport from mainline
2013-08-29  Richard Biener  <rguenther@suse.de>

PR tree-optimization/58246
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Properly
handle the dominance check inside a basic-block.

* gcc.dg/torture/pr58246.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210141 138bc75d-0d04-0410-961f-82ee72b054a4

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2014-05-06  Richard Biener  <rguenther@suse.de>

Backport from mainline
2013-05-27  Richard Biener  <rguenther@suse.de>

PR tree-optimization/57417
* tree-ssa-sccvn.c (set_ssa_val_to): Compare addresses using
get_addr_base_and_unit_offset.

* gcc.dg/torture/pr57417.c: New testcase.

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PR 56919 Check _POSIX_MONOTONIC_CLOCK.

2014-05-04  Janne Blomqvist  <jb@gcc.gnu.org>

Backport from 4.9
PR libfortran/56919
* intrinsics/system_clock.c (GF_CLOCK_MONOTONIC): Check
_POSIX_MONOTONIC_CLOCK as well.

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PR target/60941
* config/sparc/sparc.md (ashlsi3_extend): Delete.

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    Backport from mainline
        2014-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60909
        * config/i386/i386.c (ix86_expand_builtin)
        <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Use temporary
        register for target RTX.

testsuite/ChangeLog:

        Backport from mainline
        2014-04-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/60909
        * gcc.target/i386/pr60909.c: New test.

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2014-04-12  Jerry DeLisle  <jvdelisle@gcc.gnu>

Backport from mainline
PR libfortran/60810
gfortran.dg/arrayio_13.f90: New test.

PR libfortran/60810
io/unit.c (is_trim_ok): If internal unit is array, do not trim.

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Check if GCC uses assembler cfi support

* config/generic/asmcfi.h: Also check for
__GCC_HAVE_DWARF2_CFI_ASM.

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2014-04-07  Martin Jambor  <mjambor@suse.cz>

PR ipa/60640
* ipa-cp.c (propagate_constants_accross_call): Do not propagate
accross thunks.

testsuite/
        * g++.dg/ipa/pr60640-1.C: New test.
        * g++.dg/ipa/pr60640-2.C: Likewise.
        * g++.dg/ipa/pr60640-3.C: Likewise.

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2014-04-07  Dominique d'Humieres <dominiq@lps.ens.fr>

        Backport from mainline
        2013-09-14  Iain Sandoe <iains@gcc.gnu.org>

gcc:

PR target/48094
* config/darwin.c (darwin_objc2_section): Note if ObjC Metadata is seen.
(darwin_objc1_section): Likewise.
(darwin_file_end): Emit Image Info section when required.

gcc/c-family:

PR target/48094
* c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version,
fobjc-gc, freplace-objc-classes): Accept for LTO.

gcc/objc:

PR target/48094
* objc-next-runtime-abi-01.c (generate_objc_image_info): Remove.
(objc_generate_v1_next_metadata): Remove generation of ImageInfo.
* objc-next-runtime-abi-02.c (generate_v2_objc_image_info): Remove.
(objc_generate_v2_next_metadata): Remove generation of ImageInfo.

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2014-04-06  Dominique d'Humieres  <dominiq@lps.ens.fr>
    Iain Sandoe <iain@codesourcery.com>

PR target/54083
* gcc.dg/attr-weakref-1.c: Allow the test on darwin with
the additional options -Wl,-undefined,dynamic_lookup and
-Wl,-flat_namespace
* gcc.dg/torture/pr53922.c: Additional option
-Wl,-flat_namespace for darwin[89].

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2012-04-05  Dominique d'Humieres  <dominiq@lps.ens.fr>
    Jack Howarth <howarth@bromo.med.uc.edu>

PR target/54407
* 30_threads/condition_variable/54185.cc: Skip for darwin < 11.

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2014-04-04  Richard Biener  <rguenther@suse.de>

* tree-ssanames.c (make_ssa_name_fn): Fix assert.

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libgomp: Fix default futex vs errno

* config/linux/futex.h (futex_wait): Get error value from errno.
(futex_wake): Likewise.

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Core DR 475
PR c++/41174
PR c++/59224
* libsupc++/eh_throw.cc (__cxa_throw): Set uncaughtExceptions.
* libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception)
(__cxa_allocate_exception): Don't set it here.

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2014-04-01  Richard Biener  <rguenther@suse.de>

* gimple.h (struct gimple_statement_base): Align subcode to
16 bits.

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* doc/invoke.texi (mapp-regs): Clarify.

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PR ada/60703
* system-linux-alpha.ads: Adjust for Ada 2005.
* system-linux-mips.ads: Likewise.
* system-linux-mips64el.ads: Likewise.
* system-linux-mipsel.ads: Likewise.
* system-linux-s390.ads: Likewise.
* system-linux-s390x.ads: Likewise.
* system-linux-sparc.ads: Likewise.
* system-linux-sparcv9.ads: Likewise.
* system-rtems.ads: Likewise.
* system-vxworks-arm.ads: Likewise.

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fortran/
PR fortran/60677
* trans-intrinsic.c (gfc_conv_intrinsic_ichar): Enlarge argument
list buffer.

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2014-04-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/60522
* frontend-passes.c (cfe_code):  Do not walk subtrees
for WHERE.

2014-04-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/60522
* gfortran.dg/where_4.f90:  New test case.

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PR libstdc++/60658
* include/bits/atomic_base.h (__atomic_base<_PTp*>::is_lock_free()):
Use sizeof pointer type not the element type.
* testsuite/29_atomics/atomic/60658.cc: New.

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PR rtl-optimization/60601
* bb-reorder.c (fix_up_fall_thru_edges): Test EDGE_FALLTHRU everywhere.

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Fix typo in ChangeLog

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2014-03-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60543
        PR fortran/60283
        * gfortran.h (gfc_unset_implicit_pure): New prototype.
        * resolve.c (gfc_unset_implicit_pure): New.
        (resolve_structure_cons, resolve_function,
        pure_subroutine, resolve_ordinary_assign): Use it.
        * decl.c (match_old_style_init, gfc_match_data,
        match_pointer_init, variable_decl): Ditto.
        * expr.c (gfc_check_pointer_assign): Ditto.
        * intrinsic.c (gfc_intrinsic_sub_interface): Ditto.
        * io.c (match_vtag, gfc_match_open, gfc_match_close,
        match_filepos, gfc_match_inquire, gfc_match_print,
        gfc_match_wait, check_io_constraints): Ditto.
        * match.c (gfc_match_critical, gfc_match_stopcode,
        lock_unlock_statement, sync_statement, gfc_match_allocate,
        gfc_match_deallocate): Ditto.
        * parse.c (decode_omp_directive): Ditto.
        * symbol.c (gfc_add_save): Ditto.

2014-03-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60543
        PR fortran/60283
        * gfortran.dg/implicit_pure_4.f90: New.

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PR target/60568
* config/i386/i386.c (x86_output_mi_thunk): Surround UNSPEC_GOT
into CONST, put pic register as first operand of PLUS.  Use
gen_const_mem for both 32-bit and 64-bit PIC got loads.

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ChangeLog: Fix typo

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2014-03-20  Joel Sherrill  <joel.sherrill@oarcorp.com>

* config.host (v850*-*-*): Add to tmake_file instead of resetting
it. This was removing the v850*-*-rtems* settings.

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* tree-dfa.c (get_ref_base_and_extent) <ARRAY_REF>: Remove space.

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