PR target/54639
        * config/mn10300/mn10300.c (mn10300_expand_epilogue): Avoid offset
        type promotion to unsigned.

From-SVN: r196289

        PR target/52550
        * config/tilegx/tilegx.c (tilegx_expand_prologue):
        Remove unused variable cfa_offset.
        * config/tilepro/tilepro.c (tilepro_expand_prologue): Likewise.

From-SVN: r196288

        PR target/52501
        * config/cr16/cr16-protos.h: Move end of RTX_CODE guard below end
        of prologue/epilogue functions.

From-SVN: r196287

        PR target/52500
        * config/c6x/c6x.c (dbx_register_map): Change to unsigned.
        * config/c6x/c6x.h (dbx_register_map): Update declaration.

From-SVN: r196286

        PR target/48901
        * config/lm32/lm32.c (gen_int_relational): Remove unused variables
        temp, cond and label.
        * config/lm32/lm32.md (ashlsi3): Remove unused variable one.

From-SVN: r196285

2013-02-26  David Binderman  <dcb314@hotmail.com>

	PR c++/55632
	* decl.c (grokdeclarator): Tidy publicp assignment.

From-SVN: r196284

	PR c++/56419
	* semantics.c (begin_transaction_stmt): Set TREE_SIDE_EFFECTS.
	(build_transaction_expr): Same.

From-SVN: r196282

re PR tree-optimization/56426 (Segmentation fault in find_var_scev_info, at tree-scalar-evolution.c:358)

2013-02-26  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/56426
        * tree-ssa-loop.c (tree_ssa_loop_init): Always call
        scev_initialize.

From-SVN: r196281

2013-02-26  Richard Biener  <rguenther@suse.de>

	PR target/56444
	* config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Remove
	unused variable loops.

From-SVN: r196280

	PR tree-optimization/56448
	* fold-const.c (operand_equal_p) <case tcc_reference>: Don't look at
	TREE_SIDE_EFFECTS if flags contain OEP_CONSTANT_ADDRESS_OF.
	Clear OEP_CONSTANT_ADDRESS_OF from flags before recursing on second or
	later operands of the references, or even first operand for
	INDIRECT_REF, TARGET_MEM_REF or MEM_REF.

	* gcc.c-torture/compile/pr56448.c: New test.

From-SVN: r196278

	PR tree-optimization/56443
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): For
	overaligned types, pass TYPE_UNSIGNED (scalar_type) as second argument
	to type_for_mode langhook.

	* gcc.dg/torture/pr56443.c: New test.

From-SVN: r196277

	* configure.ac: Check for __cxa_thread_atexit_impl.
	* libsupc++/atexit_thread.cc (__cxa_thread_atexit): Just forward
	to it if available.
	* config.h.in, configure: Regenerate.

From-SVN: r196276

	PR c++/56377
	* pt.c (fn_type_unification): Wait to call push_tinst_level until
	we know what args we're looking at.

From-SVN: r196275

	PR c++/56438
	* semantics.c (potential_constant_expression_1): In C++98, a cast
	to non-integral type can't be a constant expression.

From-SVN: r196274

From-SVN: r196273

gcc/
2013-02-25  Matt Turner  <mattst88@gmail.com>

	* doc/invoke.texi: Document r4700.

From-SVN: r196270

From-SVN: r196268

	* bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
	-B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.

From-SVN: r196264

2013-02-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56175
	* tree-ssa-forwprop.c (hoist_conversion_for_bitop_p): New predicate,
	split out from ...
	(simplify_bitwise_binary): ... here.  Also guard the conversion
	of (type) X op CST to (type) (X op ((type-x) CST)) with it.

	* gcc.dg/tree-ssa/forwprop-24.c: New testcase.

From-SVN: r196263

	PR c++/56403
	* init.c (build_zero_init_1): Use RECORD_OR_UNION_CODE_P instead
	of CLASS_TYPE_P.

	* g++.dg/torture/pr56403.C: New test.

From-SVN: r196260

	Revert microMIPS patch.

From-SVN: r196259

2013-02-25  Tom de Vries  <tom@codesourcery.com>

	PR rtl-optimization/56131
	* insn-notes.def (INSN_NOTE_BASIC_BLOCK): Update comment.
	* cfgrtl.c (delete_insn): Don't reorder NOTE_INSN_DELETED_LABEL and
	NOTE_INSN_BASIC_BLOCK if BLOCK_FOR_INSN == NULL.

From-SVN: r196255

2013-02-25  Tobias Burnus  <burnus@net-b.de>

        * doc/invoke.texi (-fsanitize=): Move from optimization
        to debugging options.

From-SVN: r196254

From-SVN: r196253

2013-02-25  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/56077
        * sched-deps.c (sched_analyze_insn): When reg_pending_barrier,
        flush pending lists also on non-jumps.  Adjust comment.


Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>

From-SVN: r196252

From-SVN: r196249

libgcc/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>
	    Chao-ying Fu  <fu@mips.com>

	* config/mips/mips16.S:  Don't build for microMIPS.
	* config/mips/linux-unwind.h: Handle microMIPS frame.
	* config/mips/crtn.S (fini, init): New labels.

gcc/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
	    Maciej W. Rozycki  <macro@codesourcery.com>
	    Tom de Vries  <tom@codesourcery.com>
	    Nathan Sidwell <nathan@codesourcery.com>
	    Iain Sandoe  <iain@codesourcery.com>
	    Nathan Froyd  <froydnj@codesourcery.com>
	    Chao-ying Fu <fu@mips.com>

	* doc/extend.texi: (micromips, nomicromips, nocompression):
	Document new function attributes. 
	* doc/invoke.texi (minterlink-compressed, mmicromips,
	m14k, m14ke, m14kec): Document new options.
	(minterlink-mips16): Update documentation.
	* doc/md.texi (ZC, ZD): Document new constraints.
	* configure.ac (gcc_cv_as_micromips): Check if linker
	supports the .set micromips directive.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips-tables.opt: Regenerate.
	* config/mips/micromips.md: New file.
	* constraints.md (ZC, AD): New constraints.
	* config/mips/predicates.md (movep_src_register): New predicate.
	(movep_src_operand): New predicate.
	(non_volatile_mem_operand): New predicate.
	* config/mips/mips.md (multimem): New type.
	(length): Differentiate between 17-bit and 18-bit branch offsets.
	(MOVEP1, MOVEP2): New mode iterator.
 	(mov_<load>l): Use ZC constraint.
	(mov_<load>r): Likewise.
	(mov_<store>l): Likewise.
	(mov_<store>r): Likewise.
	(*branch_equality<mode>_inverted): Add microMIPS support.
	(*branch_equality<mode>): Likewise.
	(*jump_absolute): Likewise.
	(indirect_jump_<mode>): Likewise.
	(tablejump_<mode>): Likewise.
	(<optab>_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(prefetch): Use constraint ZD.
	* config/mips/mips.opt (minterlink-compressed): New option.
	(minterlink-mips16): Now an alias for minterlink-compressed.
	(mmicromips): New option.
	* config/mips/sync.md (sync_compare_and_swap<mode>): Use ZR constraint.
	(compare_and_swap_12): Likewise.
	(sync_add<mode>): Likewise.
	(sync_<optab>_12): Likewise.
	(sync_old_<optab>_12): Likewise.
	(sync_new_<optab>_12): Likewise.
	(sync_nand_12): Likewise.
	(sync_old_nand_12): Likewise.
	(sync_new_nand_12): Likewise.
	(sync_sub<mode>): Likewise.
	(sync_old_add<mode>): Likewise.
	(sync_old_sub<mode>): Likewise.
	(sync_new_add<mode>): Likewise.
	(sync_new_sub<mode>): Likewise.
	(sync_<optab><mode>): Likewise.
	(sync_old_<optab><mode>): Likewise.
	(sync_new_<optab><mode>): Likewise.
	(sync_nand<mode>): Likewise.
	(sync_old_nand<mode>): Likewise.
	(sync_new_nand<mode>): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.
	(test_and_set_12): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>_llsc): Likewise.
	(atomic_fetch_add<mode>_llsc): Likewise.
	* config/mips/mips-cpus.def (m14kc, m14k): New processors.
	* config/mips/mips-protos.h (umips_output_save_restore): New prototype.
	(umips_save_restore_pattern_p): Likewise.
	(umips_load_store_pair_p): Likewise.
	(umips_output_load_store_pair): Likewise.
	(umips_movep_target_p): Likewise.
	(umips_12bit_offset_address_p): Likewise.
	* config/mips/mips.c (MIPS_MAX_FIRST_STEP): Update for microMIPS.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this. Update all uses.
	(mips_attribute_table): Add micromips, nomicromips and nocompression.
	(mips_mips16_decl_p): Delete.
	(mips_nomips16_decl_p): Delete.
 	(mips_get_compress_on_flags): New function.
	(mips_get_compress_off_flags): New function.
	(mips_get_compress_mode): New function.
	(mips_get_compress_on_name): New function.
	(mips_get_compress_off_name): New function.
	(mips_insert_attributes): Support multiple compression types.
	(mips_merge_decl_attributes): Likewise.
	(umips_12bit_offset_address_p): New function.
	(mips_start_function_definition): Emit .set micromips directive.
	(mips_call_may_need_jalx_p): New function.
	(mips_function_ok_for_sibcall): Add microMIPS support.
	(mips_print_operand_punctuation): Support short delay slots and
	compact jumps.
	(umips_swm_mask, umips_swm_encoding): New.
	(umips_build_save_restore): New function.
	(mips_for_each_saved_gpr_and_fpr): Add microMIPS support.
	(was_mips16_p): Remove.
	(old_compression_mode): New.
	(mips_set_compression_mode): New function.
	(mips_set_current_function): Add microMIPS support.
	(mips_option_override): Likewise.
	(umips_save_restore_pattern_p): New function.
	(umips_output_save_restore): New function.
	(umips_load_store_pair_p_1): New function.
	(umips_load_store_pair_p): New function.
	(umips_output_load_store_pair_1): New function.
	(umips_output_load_store_pair): New function.
	(umips_movep_target_p) New function.
	(mips_prepare_pch_save): Add microMIPS support.
	* config/mips/mips.h (TARGET_COMPRESSION): New.
	(TARGET_CPU_CPP_BUILTINS): Update macro
	to use new compression flags and to support microMIPS.
	(MIPS_ISA_LEVEL_SPEC): Add m14k processors.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(ISA_HAS_LWXS): Include TARGET_MICROMIPS.
	(ISA_HAS_LOAD_DELAY): Exclude TARGET_MICROMIPS.
	(ASM_SPEC): Support mmicromips and mno-micromips.
	(M16STORE_REG_P): New macro.
	(MIPS_CALL): Support TARGET_MICROMIPS.
	(MICROMIPS_J): New macro.
	(mips_base_mips16): Rename this...
	(mips_base_compression_flags): ...to this.
	(UMIPS_12BIT_OFFSET_P): New macro.
	* config/mips/t-sde: (MULTILIB_OPTIONS): Add microMIPS.
	(MULTILIB_DIRNAMES): Likewise.

gcc/testsuite/
2013-02-24  Catherine Moore  <clm@codesourcery.com>
	    Richard Sandiford <rdsandiford@googlemail.com>

	* gcc.target/mips/mips.exp: Add microMIPS support.
	* gcc.target/mips/umips-movep-2.c: New test.
	* gcc.target/mips/umips-lwp-2.c: New test.
	* gcc.target/mips/umips-swp-5.c: New test.
	* gcc.target/mips/umips-constraints-1.c: New test.
	* gcc.target/mips/umips-lwp-3.c: New test.
	* gcc.target/mips/umips-swp-6.c: New test.
	* gcc.target/mips/umips-constraints-2.c: New test.
	* gcc.target/mips/umips-save-restore-1.c: New test.
	* gcc.target/mips/umips-lwp-4.c: New test.
	* gcc.target/mips/umips-swp-7.c: New test.
	* gcc.target/mips/umips-save-restore-2.c: New test.
	* gcc.target/mips/umips-lwp-swp-volatile.c: New test.
	* gcc.target/mips/umips-lwp-5.c: New test.
	* gcc.target/mips/umips-save-restore-3.c: New test.
	* gcc.target/mips/umips-lwp-6.c: New test.
	* gcc.target/mips/umips-swp-1.c: New test.
	* gcc.target/mips/umips-lwp-7.c: New test.
	* gcc.target/mips/umips-swp-2.c: New test.
	* gcc.target/mips/umips-lwp-8.c: New test.
	* gcc.target/mips/umips-swp-3.c: New test.
	* gcc.target/mips/umips-movep-1.c: New test.
	* gcc.target/mips/umips-lwp-1.c: New test.
	* gcc.target/mips/umips-swp-4.c: New test.


Co-Authored-By: Chao-ying Fu <fu@mips.com>
Co-Authored-By: Iain Sandoe <iain@codesourcery.com>
Co-Authored-By: Joseph Myers <joseph@codesourcery.com>
Co-Authored-By: Maciej W. Rozycki <macro@codesourcery.com>
Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>
Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com>
Co-Authored-By: Richard Sandiford <rdsandiford@googlemail.com>
Co-Authored-By: Tom de Vries <tom@codesourcery.com>

From-SVN: r196246

	PR target/52555
	* target-globals.c (save_target_globals): For init_reg_sets and
	target_reinit remporarily set this_fn_optabs to this_target_optabs.

From-SVN: r196245

From-SVN: r196244

From-SVN: r196243

	* resolve.c (generate_component_assignments): Don't use UTF-8
	ligature in diagnostic.

From-SVN: r196242

From-SVN: r196241

From-SVN: r196236

	PR c++/40405
	* pt.c (push_template_decl_real): Set DECL_INTERFACE_KNOWN
	if we got the wrong number of template parms.

From-SVN: r196231

	PR c++/56377
	* pt.c (fn_type_unification): Use explicit args in template
	instantiation context.

From-SVN: r196230

	PR c++/56359
	* call.c (can_convert_arg): Discard access checks.

From-SVN: r196229

	PR c++/56395
	* tree.c (strip_typedefs): Strip typedefs from TYPENAME_TYPE template
	args.

From-SVN: r196228

gcc/
	* config/aarch64/aarch64-simd-builtins.def: Add copyright header.
	* config/aarch64/t-aarch64
	(aarch64-builtins.o): Depend on aarch64-simd-builtins.def.

From-SVN: r196224

2013-02-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/56148
	* lra-constraints.c (process_alt_operands): Reload operand
	conflicting with earlier clobber only if no more other conflicting
	operands.

From-SVN: r196223

	PR sanitizer/56393
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Link in libasan_preinit.o
	if not linking a shared library.

	* lib/asan-dg.exp (asan_link_flags): Add
	-B${gccpath}/libsanitizer/asan/ to flags.

	* asan/Makefile.am (nodist_toolexeclib_HEADERS): Set to
	libasan_preinit.o.
	(libasan_preinit.o): Depend on asan_preinit.o.
	* asan/Makefile.in: Regenerated.
	* asan/asan_preinit.cc: New file, synced from upstream.
	* asan/asan_rtl.cc: Remove preinit stuff, synced from upstream.

From-SVN: r196222