From-SVN: r184581

	PR testsuite/52201
	* testsuite/29_atomics/atomic/operators/pointer_partial_void.cc: Require	atomic builtins.
	* testsuite/29_atomics/atomic/operators/51811.cc: Likewise.

From-SVN: r184576

PR debug/52001
* alias.c (refs_newer_value_cb, refs_newer_value_p): New.
(get_addr): Walk canonical value's locs.  Avoid returning VALUEs
and locs that reference values newer than the non-canonical value
at hand.  Return the canonical value as a worst case.
(memrefs_conflict_p): Walk canonical value's locs.

From-SVN: r184572

PR debug/52001
* cselib.c (preserve_only_constants): Rename to...
(preserve_constants_and_equivs): ... this.  Split out...
(invariant_or_equiv_p): ... this.  Preserve plus expressions
of other preserved expressions too.
(cselib_reset_table): Adjust.
* var-tracking.c (reverse_op): Use canonical value to build
reverse operation.

From-SVN: r184571

From Rainer Orth.

From-SVN: r184569

From-SVN: r184568

	* gcc.dg/simulate-thread/simulate-thread.gdb: Use return value from
	simulate_thread_wrapper_other_threads
	* gcc.dg/simulate-thread/atomic-load-int128.c (simulate_thread_main):
	Move initialization of 'value' to main().
	(main): Initialize 'value';
	* gcc.dg/simulate-thread/speculative-store.c
	(simulate_thread_step_verify): Return 0 when successful.
	* gcc.dg/simulate-thread/simulate-thread.h (HOSTILE_THREAD_THRESHOLD):
	Reduce threshold.
	(INSN_COUNT_THRESHOLD): New.  Instruction limit to terminate test.
	(simulate_thread_wrapper_other_threads): Return a success/fail value
	and issue an error if the instruction count threshold is exceeded.

From-SVN: r184564

        * config/i386/i386.c (ix86_delegitimize_address): Handle
        UNSPEC_PCREL plus displacement.

From-SVN: r184560

	PR target/52261
	* config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
	to test for unusedness in st X addressing.

From-SVN: r184559

libada/ChangeLog:

	* Makefile.in (bindir): Import from autoconf and pass down to submake.

gcc/ada/ChangeLog:

	* gcc-interface/Makefile.in (WIN_SO_PREFIX [windows targets]): New
	Windows-specific make variable.
	(WIN_SO_INSTALL_DIR [windows targets]): Likewise.
	(install-gnatlib): Respect the above during installation when set,
	and also install any windows import library that has been built.
	(gnatlib-shared-win32): Use WIN_SO_PREFIX to name output DLL and also
	build a corresponding import library.

From-SVN: r184558

	PR target/50580
	* gcc.target/mips/interrupt_handler-2.c: Skip on mips-sgi-irix6*.
	* gcc.target/mips/interrupt_handler-3.c: Likewise.

From-SVN: r184557

2012-02-23  Patrick Marlier  <patrick.marlier@gmail.com>
	    Jack Howarth  <howarth@bromo.med.uc.edu>

boehm-gc/

	PR boehm-gc/52179
	* include/gc_config.h.in: Undefine HAVE_PTHREAD_GET_STACKADDR_NP.
	* include/private/gcconfig.h (DARWIN): Define STACKBOTTOM with
	pthread_get_stackaddr_np when available.
	* configure.ac (THREADS): Check availability of pthread_get_stackaddr_np.
	* configure: Regenerate.

libjava/

	PR target/49461
	* configure.ac (SYSTEMSPEC): No longer pass -no_pie for darwin11.
	* configure: Regenerate.


Co-Authored-By: Jack Howarth <howarth@bromo.med.uc.edu>

From-SVN: r184555

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52361
	* gimple.c (walk_gimple_op): Use predicates with less redundant
	tests.
	(is_gimple_reg_type): Move inline ...
	* gimple.h (is_gimple_reg_type): ... here.

From-SVN: r184552

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52361
	* passes.c (execute_function_todo): When verifying SSA form
	verify gimple form first.
	* tree-ssa.c (verify_ssa): Do not verify gimple form here.

From-SVN: r184549

re PR middle-end/52355 (address difference between array elements is not considered to be a compile time constant anymore)

2012-02-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52355
	* fold-const.c (fold_addr_of_array_ref_difference): New function.
	(fold_binary_loc): Use it to extend the existing &a[i] - &a[j]
	folding.

	* gcc.dg/pr52355.c: New testcase.

From-SVN: r184548

	libitm/
	* retry.cc (GTM::gtm_thread::number_of_threads_changed): Change
	default dispatch for more than 1 thread to ml_wt.

From-SVN: r184547

2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-if-conv (predicate_scalar_phi): Commentary typo fix.

From-SVN: r184546

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-phinodes.c (make_phi_node): Mark static.
	* tree-flow.h (make_phi_node): Remove extern decl.
	* doc/gimple.texi (make_phi_node): Remove documentation.

From-SVN: r184545

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-into-ssa (update_ssa): Avoid trailing whitespace in
	dump_file.
	* tree-ssa-sccvn.c (print_scc): Ditto.

From-SVN: r184544

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/passes.texi (Full redundancy elimination): Fix typo.

From-SVN: r184543

2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.

From-SVN: r184542

From-SVN: r184540

	PR bootstrap/52287
	* haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.

From-SVN: r184531

	* include/bits/locale_facets.h (class num_get): Undo reordering of
	do_get virtual functions.

From-SVN: r184530

From-SVN: r184527

        PR libffi/52221
        * src/x86/ffi.c (ffi_closure_raw_THISCALL): New
        prototype.
        (ffi_prep_raw_closure_loc): Use ffi_closure_raw_THISCALL for
        thiscall-convention.
        (ffi_raw_call): Use ffi_prep_args_raw.
        * src/x86/win32.S (ffi_closure_raw_THISCALL): Add
        implementation for stub.

From-SVN: r184526

	PR target/52261
	* config/avr/lib1funcs.S (__AVR__XMEGA__): Fix tippo to __AVR_XMEGA__.

From-SVN: r184522

	* gcc.dg/pack-test-5.c: Add -mno-ms-bitfields option
	for mingw-targets.
	* gcc.dg/Wpadded.c: Likewise.
	* gcc.dg/bf-ms-layout-2.c: Adjust offsets to fit ms-bitfield
	structure-layout.
	* gcc.dg/di-sync-multithread.c: Replace for mingw-target the use
	for sleep by Sleep and add windows.h include for this function.
	* gcc.dg/format/dfp-printf-1.c: Adjust dg-skip-if rule for mingw
	targets.
	* gcc.dg/stack-usage-1.c (SIZE): Provide proper SIZE for x64 mingw
	target.
	* gcc.dg/tls/thr-cse-1.c: Provide proper pattern for x64 mingw
	target.
	* gcc.dg/tls/opt-11.c (memset): Use __extension__ to avoid fail
	on x64 mingw target.
	* gcc.dg/bf-ms-attrib.c: Adjust expected size for ms_struct layout.
	* gcc.dg/pr50251.c: Disable test for x64 mingw target.
	* gcc.c-torture/execute/930930-1.c (long): Replace by ptr_t to avoid
	failure on LLP64 target.

From-SVN: r184519

re PR c/52290 (internal compiler error: tree check: expected function_decl, have var_decl in start_function, at c-decl.c:7712)

	PR c/52290
	* c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.

testsuite/ChangeLog:

	PR c/52290
	* gcc.dg/noncompile/pr52290.c: New test.

From-SVN: r184511

	* config/avr/avr.md (code_stdname): Add ior, xor.
	(xior): New code iterator.
	(*<code_stdname><mode>qi.byte0): Use xior instead of ior.
	(*<code_stdname><mode>qi.byte1-3): Ditto.

From-SVN: r184509

	PR tree-optimization/52019
	* ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
	CLOBBER stmts.

	* gcc.dg/tree-ssa/ipa-split-6.c: New test.

From-SVN: r184508

2012-02-23  Richard Guenther  <rguenther@suse.de>

	* go-gcc.cc (Gcc_backend::placeholder_pointer_type): Use
	build_distinct_type_copy.

From-SVN: r184507

From-SVN: r184506

	gcc/
	* acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
	HAVE_INITFINI_ARRAY to work around namespace pollution in
	certain versions of newlib system headers.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.

	libgcc/
	* config/ia64/crtbegin.S: Use HAVE_INITFINI_ARRAY_SUPPORT
	instead of HAVE_INITFINI_ARRAY.
	* config/ia64/crtend.S: Likewise.

From-SVN: r184503

From-SVN: r184501

From-SVN: r184500

        * g++.dg/opt/devirt2.C: Add rule for *-*-mingw* target.
        * g++.dg/opt/pr48549.C (long): Replace by long by __PTRDIFF_TYPE__
        derived pdiff_t type.
        * g++.dg/torture/pr49720.C: Likewise

From-SVN: r184490

	PR target/52330
	* config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
	is not offsettable memory reference.

testsuite/ChangeLog:

	PR target/52330
	* gcc.target/i386/pr52330.c: New test.

From-SVN: r184488

2012-02-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52335
        * io.c (gfc_match_open): Remove bogus F2003 DELIM= check.

2012-02-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/52335
        * gfortran.dg/io_constraints_10.f90: New.

From-SVN: r184485

	PR target/18145
	* config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
	setting avr_need_clear_bss_p for __gnu_lto* symbols.

From-SVN: r184481