From-SVN: r185010

re PR target/50310 (ICE: in gen_vcondv2div2df, at config/i386/sse.md:1435 with -O -ftree-vectorize and __builtin_isunordered())

2012-03-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/50310
	* config/rs6000/vector.md (vector_uneq<mode>): Add support for
	UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
	(vector_ltgt<mode>): Likewise.
	(vector_ordered<mode>): Likewise.
	(vector_unordered<mode>): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner):
	Likewise.

From-SVN: r185007

        * trans-mem.c: New typedef for tm_region_p.
        Define vector types for tm_region_p.
        (tm_region_init): Replace region_worklist to a vector called
        bb_regions.

From-SVN: r185000

From-SVN: r184990

2012-03-06  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (build_fold_addr_expr_with_type_loc): Fold
	MEM_REF with constant pointer operand.

From-SVN: r184988

2012-03-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52493
	* tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.

	* gcc.dg/torture/pr52493.c: New testcase.

From-SVN: r184987

2012-03-06  Tristan Gingold  <gingold@adacore.com>

	* config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle
	octaword.
	(external_model_kind): Improve documentation.
	(vms_pragma_extern_model): Handle relaxed_redef.
	(vms_c_register_pragma): Allow expansion for nomember_alignment.

From-SVN: r184986

	* doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
	Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
	Some more notes on EIND usage and reorder EIND subsection.

From-SVN: r184985

2012-03-06  Tristan Gingold  <gingold@adacore.com>

	* config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
	* config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.

From-SVN: r184983

2012-03-06  Tristan Gingold  <gingold@adacore.com>

	* config/vms/t-vmsnative (version): Define.
	* config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.

From-SVN: r184982

re PR middle-end/52097 (ICE: in get_bit_range, at expr.c:4535 with -O -flto -fexceptions -fnon-call-exceptions --param allow-store-data-races=0)

2012-03-06  Richard Guenther  <rguenther@suse.de>

	PR lto/52097
	* lto.c (uniquify_nodes): Merge TYPE_FIELDS of variant types.

	* gcc.dg/lto/pr52097_0.c: New testcase.

From-SVN: r184981

re PR rtl-optimization/52250 (ICE: in sel_remove_bb, at sel-sched-ir.c:5213 with -fsel-sched-pipelining -fsel-sched-pipelining-outer-loops -fselective-scheduling2 and other flags)

        PR rtl-optimization/52250
        * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
        to put note list into.  Unconditionally call move_bb_info.
        (move_bb_info): Do not assert the blocks being in the same region,
        just drop the note list if they are not.

From-SVN: r184975

From-SVN: r184971

	PR target/51244
	* config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
	and use unified expansion logic.
	* config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
	closer to the existing movt insn.
	(negc): Rename insn to *negc.  Add new expander.
	(movnegt): Use xor pattern for T bit negation.  Reserve helper
	constant for negc pattern.
	(*movnegt): New insn and splitter.

	PR target/51244
	* gcc.target/sh/pr51244-1.c: New.
	* gcc.target/sh/pr51244-2.c: New.
	* gcc.target/sh/pr51244-3.c: New.

From-SVN: r184966

	* c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
	PLUS_EXPR.

From-SVN: r184965

        * genemit.c (main): Include "target.h" in insn-emit.c.
        * Makefile.in (insn-emit.o): Depend on TARGET_H.
        * config/sh/sync.md (atomic_test_and_set): Reference
        targetm.atomic_test_and_set_trueval instead of
        TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.

From-SVN: r184964

	* gcc-interface/Make-lang.in (doc/gnat_ugn.texi): Build xgnatugn
	before using it.

From-SVN: r184963

        * config/epiphany/epiphany.c (epiphany_function_value_regno_p): 
        Make static.

From-SVN: r184962

	* objc-map.c (objc_map_private_resize, objc_map_alloc_ggc): Don't
	call _stat functions without MEM_STAT_INFO.

From-SVN: r184961

	* langhooks.c (add_builtin_type): New function.
	* langhooks.h (add_builtin_type): Export it.
	* config/mep/mep.c (mep_init_builtins): Use it.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Use it.

From-SVN: r184960

	* pt.c (local_specializations): Change from htab_t into
	struct pointer_map_t *.
	(retrieve_local_specializations, register_local_specialization,
	tsubst_pack_expansion, instantiate_decl): Adjust users.
	(eq_local_specializations, hash_local_specialization): Remove.

From-SVN: r184959

	PR debug/51902
	* tree.h (BLOCK_SAME_RANGE): Define.
	* function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
	if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
	Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
	isn't equal to supercontext fragment's fragment chain.
	Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
	fragment origin.
	(blocks_nreverse_all): Likewise.
	(reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
	BLOCK_SUPERCONTEXT to supercontext fragment instead of
	supercontext fragment's fragment origin.
	* dwarf2out.c (add_high_low_attributes): If stmt has the same
	range as its parent (or parents thereof etc.), use the parent's
	DW_AT_ranges value instead of creating a new .debug_ranges range.

From-SVN: r184958

        * longlong.h [ARM] (umul_ppmm): Use umull for arm3m and later.
        [ARM] (count_trailing_zeros): Use the builtin.

From-SVN: r184957

PR tree-opt/52242
	Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
	* omp-low.c (expand_omp_atomic): Assume anything aligned to
	BIGGEST_ALIGNMENT is aligned.

From-SVN: r184955

        * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
        * config/sh/sh.c: ... here.

From-SVN: r184953

PR target/52481
	* config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
	instead of calling negqi2 directly.

From-SVN: r184952

        PR middle-end/52463
        * trans-mem.c (tm_region_init): Use last_basic_block.

From-SVN: r184949

PR target/52481
	* config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
	instead of calling negqi2 directly.

From-SVN: r184948

	* config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
	* config/sh/sync.md (atomic_test_and_set): New expander.
	(tasb, atomic_test_and_set_soft): New insns.
	* config/sh/sh.opt (menable-tas): New option.
	* doc/invoke.texi (SH Options): Document it.

From-SVN: r184947

	PR c++/51930
	* decl2.c (determine_visibility): Correct calculation of class
	args depth.
	* decl.c (check_tag_decl): Adjust warning.

From-SVN: r184946

	* method.c (synthesized_method_walk): Cleanups don't affect the EH
	spec either.

From-SVN: r184945

From-SVN: r184944

	libitm/
	* dispatch.h (CREATE_DISPATCH_METHODS_MEM): Don't execute
	memtransfer/memset if size isn't larger than zero.

From-SVN: r184941

	libitm/
	* libitm.texi: Link to specification and add a usage example.

From-SVN: r184940

2012-03-05  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_algobase.h (iter_swap): In C++11 mode just
	call swap.
	* include/bits/stl_bvector.h (swap(_Bit_reference,
	_Bit_reference), swap(_Bit_reference, bool&),
	swap(bool&, _Bit_reference)): Add.
	* testsuite/23_containers/vector/bool/swap.cc: New.

From-SVN: r184939

2012-03-05  Richard Guenther  <rguenther@suse.de>

	* cfgloop.c (verify_loop_structure): Verify dominators before
	using them.
	* graphite-clast-to-gimple.c (graphite_verify): Do not verify
	dominators from here.
	* graphite-scop-detection.c (create_sese_edges): Likewise.
	* loop-doloop.c (doloop_optimize_loops): Likewise.
	* loop-init.c (loop_optimizer_init): Likewise.
	* loop-unroll.c (unroll_and_peel_loops): Likewise.
	* loop-unswitch.c (unswitch_loops): Likewise.
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
	* tree-parloops.c (parallelize_loops): Likewise.  Verify
	only when checking is enabled.
	* tree-loop-distribution.c (tree_loop_distribution): Likewise.

From-SVN: r184937

	* genautomata.c (parse_automata_opt): New static function.
	(initiate_automaton_gen): Remove all option handling code.  Remove
	argc argument.  All callers changed.
	(main): Call init_rtx_reader_args_cb with the new function as
	argument.

From-SVN: r184936

        * ira-conflicts.c: Remove mentioning cover classes from the file.
        Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Use
-       ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST.  Fix formatting.
+       ALLOCNO_CLASS_COST instead of ALLOCNO_COVER_CLASS_COST.  Fix formatting.

From-SVN: r184935

2012-03-05  Richard Guenther  <rguenther@suse.de>

	* cfgexpand.c (gimple_expand_cfg): Free dominator info.
	* tree-if-conv.c (combine_blocks): Free post-dominator info
	after breaking it.
	* tree-parloops.c (create_parallel_loop): Free and re-compute
	dominator info after breaking it.

From-SVN: r184933

2012-03-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/52353
	* optabs.h (trapv_unoptab_p): New function.
	(trapv_binoptab_p): Likewise.
	* optabs.c (expand_binop): Use emit_libcall_block_1 with
	a proper equiv_may_trap argument.
	(expand_unop): Likewise.
	(emit_libcall_block_1): Take extra argument whether the
	instruction may trap.  Renamed from ...
	(emit_libcall_block): ... this.  New wrapper.

From-SVN: r184932