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2012-01-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51800
        * resolve.c (build_default_init_expr): Also initialize
        nonconstant-length strings with -finit-character=<n>.

2012-01-14  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51800
        * gfortran.dg/init_flag_8.f90: New.
        * gfortran.dg/init_flag_9.f90: New.

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Backport from mainline r183129
PR target/51756
* config/avr/avr.c (avr_encode_section_info): Test for absence of
DECL_EXTERNAL when checking for initializers of progmem variables.

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Backport from mainline
2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

* gcc/config/arm/arm.md (mov_notscc): Use MVN for false condition.
* gcc/testsuite/testsuite/gcc.c-torture/execute/20120110-1.c: New testcase.

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* config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
(x86_shift<mode>_adj_1): Remove operand constraint from operand 3.

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Revert:

2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

PR rtl-opt/37451
* loop-doloop.c (doloop_modify): New argument zero_extend_p and
zero extend count after the correction to it is done.
(doloop_optimize): Update call to doloop_modify, don't zero extend
count before call.

2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

PR rtl-opt/37782
* loop-doloop.c (doloop_modify): Add from_mode argument that says what
mode count is in.
(doloop_optimize): Update call to doloop_modify.

testsuite:
* gcc.c-torture/execute/doloop-1.c,
gcc.c-torture/execute/doloop-2.c: New tests.

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gcc/
* config/mips/mips.md (loadgp_newabi_<mode>): Add missing
earlyclobber.

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2012-01-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/51759
* g++.dg/ipa/pr51759.C: New test.

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* gcc-interface/trans.c (addressable_p) <COMPONENT_REF>: Fix thinko.

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* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Check that the
purported sigacthandler address isn't null before dereferencing it.
(sparc_is_sighandler): Likewise.

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2012-01-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

Backport from mainline
2011-11-04  Jiangning Liu  <jiangning.liu@arm.com>

PR rtl-optimization/38644
* config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
for epilogue having stack adjustment.

2012-01-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

Backport from mainline:
2011-11-04  Jiangning Liu  <jiangning.liu@arm.com>

PR rtl-optimization/38644
* gcc.target/arm/stack-red-zone.c: New.

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2012-01-09  Andrew Stubbs  <ams@codesourcery.com>

Backport from mainline:

2012-01-06  Andrew Stubbs  <ams@codesourcery.com>

* gcc.target/arm/headmerge-2.c: Adjust scan pattern.

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PR ada/41929
* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove SAVPC and
add CFA.  Revert back to old code for Solaris 8+ multi-threaded.
(sparc_is_sighandler): Likewise.
(MD_FALLBACK_FRAME_STATE_FOR): Adjust call to IS_SIGHANDLER.

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Backport from mainline
2012-01-06  Arnaud Charlet  <charlet@adacore.com>

* c-decl.c (ext_block): Moved up.
(collect_all_refs, for_each_global_decl): Take ext_block into account.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@182960 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
PR middle-end/48660
* expr.h (copy_blkmode_to_reg): Declare.
* expr.c (copy_blkmode_to_reg): New function.
(expand_assignment): Don't expand register RESULT_DECLs before
the lhs.  Use copy_blkmode_to_reg to copy BLKmode values into a
RESULT_DECL register.
(expand_expr_real_1): Handle BLKmode decls when looking for promotion.

gcc/testsuite/
PR middle-end/48660
* g++.dg/pr48660.C: New test.

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* ada/acats/overflow.lst: Add cb20004.

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PR tree-optimization/51315
* tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
(build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.

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PR tree-optimization/51624
* tree-sra.c (build_ref_for_model): When replicating a chain of
COMPONENT_REFs, stop as soon as the offset would become negative.

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2012-01-04  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/49651
* tree-ssa-structalias.c (type_can_have_subvars): New function.
(var_can_have_subvars): Use it.
(get_constraint_for_1): Only consider subfields if there
can be any.

* gcc.dg/tree-ssa/pta-ptrarith-1.c: Adjust.
* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.

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2012-01-03  Chase Douglas  <chase.douglas@canonical.com>
    Jonathan Wakely  <jwakely.gcc@gmail.com>

* include/bits/shared_ptr.h: Default copy ctor and assignment.
* include/bits/shared_ptr_base.h: Likewise.
* testsuite/20_util/shared_ptr/cons/43820_neg.cc: Adjust dg-error
line numbers.
* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Likewise.

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2012-01-03  Sandra Loosemore  <sandra@codesourcery.com>

gcc/

Backport from mainline:
2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>

* doc/invoke.texi (-flto and related options): Copy-edit.

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2012-01-03  Richard Guenther  <rguenther@suse.de>

Backport from mainline
2011-11-10  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/51042
* tree-ssa-pre.c (phi_translate_1): Avoid recursing on
self-referential expressions.  Refactor code to avoid duplication.

* gcc.dg/torture/pr51042.c: New testcase.

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2012-01-03  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2011-08-10  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/49907
        lto-plugin/
        * configure.ac: Use ACX_PROG_CC_WARNING_OPTS to detect -Wall presence.
        * Makefile.am (AM_CFLAGS): Adjust.  Do not build with -Werror.
        * configure: Regenerate.
        * Makefile.in: Likewise.
        * aclocal.m4: Likewise.

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2012-01-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/51070
        * tree-loop-distribution.c (generate_builtin): Do not replace
        the loop with a builtin if the partition contains statements which
        results are used outside of the loop.
        (stmt_has_scalar_dependences_outside_loop): Properly handle calls.

        * gcc.dg/torture/pr51070.c: New testcase.
        * gcc.dg/torture/pr51070-2.c: Likewise.

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PR debug/49951 - jumpy stepping at end of scope in C++

gcc/cp/

PR debug/49951
* decl.c (cxx_maybe_build_cleanup): Don't set location of the call
to the destructor.

gcc/testsuite/

PR debug/49951
* g++.dg/gcov/gcov-2.C: Adjust.

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2012-01-02  Richard Guenther  <rguenther@suse.de>

PR bootstrap/51686
* Makefile.def (install-strip-gcc): Depend on install-strip-lto-plugin.
* Makefile.in: Regenerate.

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* gnatvsn.ads (Current_Year): Bump to 2011.

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2012-01-01  Thomas König  <tkoenig@gcc.gnu.org>

Backport from trunk
PR fortran/51502
* expr.c (gfc_check_vardef_context):  When determining
implicit pure status, also check for variable definition
context.  Walk up namespaces until a procedure is
found to reset the implict pure attribute.
* resolve.c (gfc_implicit_pure):  Walk up namespaces
until a procedure is found.

2012-01-01  Thomas König  <tkoenig@gcc.gnu.org>

Backport from trunk
PR fortran/51502
* lib/gcc-dg.exp (scan-module-absence):  New function.
* gfortran.dg/implicit_pure_2.f90:  New test.

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Fix thinko in setting target options

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2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>

PR libstdc++/51711
* include/bits/regex.h (regex_replace): Fix thinko.
* testsuite/28_regex/algorithms/regex_replace/char/51711.cc: New.
* testsuite/28_regex/algorithms/regex_replace/wchar_t/51711.cc:
Likewise.

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Backport PR 51623 change

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* gcc.dg/torture/pr50396.c: Use dg-add-options ieee.

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2011-12-23  Richard Guenther  <rguenther@suse.de>

PR rtl-optimization/50396
* simplify-rtx.c (simplify_binary_operation_1): Properly
guard code that only works for integers.

* gcc.dg/torture/pr50396.c: New testcase.

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2011-12-22  Doug Kwan  <dougkwan@google.com>

Backport from mainline
2011-03-23  Julian Brown  <julian@codesourcery.com>

* expr.c (expand_expr_real_1): Only use BLKmode for volatile
accesses which are not naturally aligned.

2011-11-20  Joey Ye  <joey.ye@arm.com>

* expr.c (expand_expr_real_1): Correctly handle strict volatile
bitfield loads smaller than mode size.

2011-12-22  Doug Kwan  <dougkwan@google.com>

Backport from mainline
2011-11-20  Joey Ye  <joey.ye@arm.com>

* gcc.dg/volatile-bitfields-1.c: New.

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2011-12-22  Toon Moene  <toon@moene.org>

PR fortran/51310
* resolve.c (build_default_init_expr): Allow non-allocatable,
non-compile-time-constant-shape arrays to have a default
initializer.
* invoke.texi: Delete the restriction on automatic arrays not
being initialized by -finit-<type>=<constant>.

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PR target/51643
* arm.c (arm_function_ok_for_sibcall): Use DECL_WEAK in previous
change.

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PR target/51643
* arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
weak function on bare-metal EABI targets.

* gcc.target/arm/sibcall-2.c: New test.

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PR libstdc++/51626
* include/bits/stl_uninitialized.h (_Construct_default_a_impl): Define
overloaded functions to conditionally use allocator::construct.
(_Construct_default_a): Define to dispatch to appropriate
_Construct_default_a_impl overload.
(__uninitialized_default_a, __uninitialized_default_n_a): Use
_Construct_default_a.
* testsuite/20_util/allocator/51626.cc: New.

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Backport from mainline
2011-12-21  Richard Guenther  <rguenther@suse.de>

PR lto/41159
* tree-outof-ssa.c (insert_value_copy_on_edge): Use the
mode of the pseudo as destination mode.  Only assert that
is equal to the promoted mode of the decl if it is a REG.

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* config/alpha/linux-unwind.h: Update copyright years.
(MD_FROB_UPDATE_CONTEXT): New define.
(alpha_frob_update_context): New function.

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* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Adjust
dg-error line numbers.
* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Likewise.
* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Likewise.
* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Likewise.

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2011-12-19  Martin Jambor  <mjambor@suse.cz>

PR tree-optimization/51583
* tree-sra.c (load_assign_lhs_subreplacements): Call
force_gimple_operand_gsi when necessary also in case of no
corresponding replacement on the RHS.

* testsuite/gcc.dg/tree-ssa/pr51583.c: New test.

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* include/c_global/cmath: Update copyright years.
* include/ext/type_traits.h: Likewise.

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Backport from mainline
2011-11-13  Paolo Carlini  <paolo.carlini@oracle.com>

* include/c_global/cmath (atan2, pow): Simplify constraining on the
return type.

Backport from mainline
2011-11-12  Jonathan Wakely  <jwakely.gcc@gmail.com>

PR libstdc++/51083
* include/ext/type_traits.h (__promote): Only define __type member
for integral and floating point types, to prevent math functions
participating in overload resolution for other types.
(__promote_2, __promote_3, __promote_4): Use __promote in default
template argument values, so deduction only succeeds for integral and
floating point types.
* testsuite/26_numerics/cmath/51083.cc: New.
* testsuite/26_numerics/complex/51083.cc: New.
* testsuite/tr1/8_c_compatibility/cmath/51083.cc: New.
* testsuite/tr1/8_c_compatibility/complex/51083.cc: New.

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PR libstdc++/50862
* include/std/condition_variable (condition_variable_any::wait): Fix
deadlock and ensure _Lock::lock() is called on exit.
* testsuite/30_threads/condition_variable_any/50862.cc: New.

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PR libstdc++/51540
* include/bits/stl_numeric.h (partial_sum): Adjust doxygen comments.

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* configure: Regenerate.
config/
* acx.m4 (Test for GNAT): Update comment and add quotes in final test.

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fix rv-cast[34].C

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PR c++/51416
* init.c (build_value_init_noctor): Check for incomplete type.

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* config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
(frame_blockage): New expander.
(frame_blockage<P:mode>): New instruction.
* config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
instructions establishing the frame isn't atomic, emit frame blockage.

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PR c++/51331
* class.c (convert_to_base_statically): Just call
build_simple_base_path.
(build_simple_base_path): Check field offset.

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Detect infinite recursion condition

gcc/

2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>

Backport from mainline.
2011-10-28  Chung-Lin Tang  <cltang@codesourcery.com>

PR rtl-optimization/49720
* simplify-rtx.c (simplify_relational_operation_1): Detect
infinite recursion condition in "(eq/ne (plus x cst1) cst2)
simplifies to (eq/ne x (cst2 - cst1))" case.

gcc/testsuite/

2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>

Backport from mainline.
2011-10-28  Chung-Lin Tang  <cltang@codesourcery.com>

PR rtl-optimization/49720
* g++.dg/torture/pr49720.C: New test.

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Check __GLIBC__ when using __SIGRTMIN

2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>

Backport from mainline
2011-12-14  H.J. Lu  <hongjiu.lu@intel.com>

* generic-morestack.c (__generic_morestack_set_initial_sp): Check
__GLIBC__ instead of __linux__ when using __SIGRTMIN.

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2011-12-15  Andreas Tobler  <andreast@fgznet.ch>

Backport from mainline.
2011-12-15  Andreas Tobler  <andreast@fgznet.ch>

* config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.

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2011-12-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/51550
        PR fortran/47545
        PR fortran/49050
        PR fortran/51075
        * resolve.c (resolve_fl_derived0): Print not-implemented error
        for deferred-length character components.

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PR c++/51248
* decl.c (copy_type_enum): Also update variants.
(finish_enum): Allow variants of complete enums.

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PR c++/51406
PR c++/51161
* typeck.c (build_static_cast_1): Fix cast of lvalue to
base rvalue reference.

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* lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
* lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
* lto-streamer-in.c (lto_read_body): Likewise.
(lto_input_toplevel_asms): Likewise.
* lto-section-in.c (lto_create_simple_input_block): Likewise.
* lto-opts.c (lto_read_file_options): Likewise.
* ipa-prop.c (ipa_prop_read_section): Likewise.

* df.h (DF_NOTE): Fix typo in comment.
lto/
* lto.h (lto_parse_hex): Delete.
* lto.c (lto_read_decls): Use 'int' for offsets.
(lto_parse_hex): Make static and return proper 64-bit host type.
(lto_resolution_read): Use proper 64-bit host type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@182311 138bc75d-0d04-0410-961f-82ee72b054a4

2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* regmove.c (fixup_match_2): Only access call_used_regs with hard
regs.

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PR testsuite/51511
* gcc.dg/pr45819.c: Add -w to dg-options.

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PR middle-end/51510
* calls.c (internal_arg_pointer_based_exp_scan): Don't use
VEC_safe_grow_cleared if idx is smaller than VEC_length.

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Backported from mainline
2011-12-11  Jakub Jelinek  <jakub@redhat.com>

PR tree-optimization/51485
* tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
DRs in call stmts.

* g++.dg/vect/pr51485.cc: New test.

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PR tree-optimization/50569
* tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
in the expression of MODEL instead of just the last one.

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2011-12-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50923
        * trans-decl.c (generate_local_decl): Set TREE_NO_WARNING only
        if the front end has printed a warning.
        (gfc_generate_function_code): Fix unset-result warning.

2011-12-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50923
        * gfortran.dg/warn_function_without_result_2.f90: New.

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2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/51338
Backport from trunk
* dependency.c (are_identical_variables):  Handle case where
end fields of substring references are NULL.

2011-12-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

PR fortran/51338
Backport from trunk
* gfortran.dg/assumed_charlen_substring_1.f90:  New test.

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