* coverage.c (bbg_file_stamp): New.
	(read_counts_file): Merge incoming stamp with bbg_file_stamp.
	(build_info): Write bbg_file_stamp.
	(coverage_init): Initialize bbg_file_stamp.  Read counts file
	before writing graph header.
	(coverage_finish): Don't unlink the data file if we can generate a
	unique file stamp.
	* tree.h (crc32_unsigned): Declare.
	* tree.c (crc32_unsigned_bits): New, broken out of ...
	(crc32_byte): ... here.  Use it.
	(crc32_unsigned): New.

From-SVN: r189095

2012-06-29   Cary Coutant  <ccoutant@google.com>

gcc/
	* dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
	(gen_subprogram_die): Don't add pubname if want_pubnames is false.
	(gen_variable_die): Likewise.
	(gen_namespace_die): Likewise.

From-SVN: r189094

From-SVN: r189093

tree-eh.c (lower_try_finally_switch): Really put the location of the last statement of the finally block onto the switch.

	* tree-eh.c (lower_try_finally_switch): Really put the location of the
	last statement of the finally block onto the switch.

From-SVN: r189086

	PR target/53539
	* config/i386/gnu-user64.h (WCHAR_TYPE): Use "int" only for
	TARGET_LP64.

From-SVN: r189085

2012-06-29  Sterling Augustine  <saugustine@google.com>

	* dwarf2out.c (add_pubname): Add comment.
	(add_pubtype): Fix indentation.
	(gen_enumeration_type_die): Likewise.

From-SVN: r189084

tree-vect-generic.c (expand_vector_divmod): For even/odd widening multiply, put even always as first argument to VEC_PERM_EXPR.

	* tree-vect-generic.c (expand_vector_divmod): For even/odd
	widening multiply, put even always as first argument to
	VEC_PERM_EXPR.

From-SVN: r189082

        * tree-vect-generic.c: Include target.h.
        (expand_vector_divmod): Use builtin_mul_widen_even/odd if supported.
        * Makefile.in (tree-vect-generic.o): Update.

From-SVN: r189081

toplevel/
	* configure.ac: Skip C if explicitly selected.
	* configure: Regenerate.

gcc/
	* configure.ac: Remove special gtfiles case for C.
	* configure: Regenerate.
	* Makefile.in: Remove C front-end hooks and build hooks that
	will be picked up from c/Make-lang.in now.
	Add tree-mudflap to C_COMMON_OBJS.
	* gengtype.c (files_rules): Adjust gt-files for c/c-decl.c.
	* config/vms/vms.c: Look for c-tree.h in c/.
	* doc/gty.texi: Remove reference to c-config-lang.in.
	* doc/sourcebuild.texi: Document the c/ subdirectory.

c/
	* Make-lang.in: New file, rules migrated from gcc/Makefile.in
	and add language Makefile hooks.
	* config-lang.in: New file.
	* c-config-lang.in: Moved from gcc/config-lang.in to here, and
	add the required "normal" config-lang.in rules.
	* c-lang.h: Moved from gcc/ to here.
	* c-tree.h: Likewise.
	* c-objc-common.c: Likewise.
	* c-objc-common.h: Likewise.
	* c-typeck.c: Likewise.
	* c-convert.c: Likewise.
	* c-lang.c: Likewise.
	* c-aux-info.c: Likewise.
	* c-errors.c: Likewise.
	* gccspec.c: Likewise.
	* c-decl.c: Likewise.  Include gt-c-c-decl.h, not gt-c-decl.h.
	* c-parser.c: Likewise.  Include gt-c-c-parser.h, not gt-c-parser.h.

c-family/
	* cppspec.c: Moved from gcc/ to here.

objc/
	* Make-ang.in: Adjust for move of C front-end files.
	* config-lang.in: Likewise.
	* objc-encoding.c: Look for cp-tree.h in cp/, and for c-tree.h
	and c-lang.h in c/.
	* objc-runtime-shared-support.c: Likewise.
	* objc-next-runtime-abi-01.c: Likewise.
	* objc-next-runtime-abi-02.c: Likewise.
	* objc-gnu-runtime-abi-01.c: Likewise.
	* objc-act.c: Likewise.
	* objc-lang.c: Likewise.

cp/
	* Make-lang.in: Remove tree-mudflap.o from CXX_AND_OBJCXX_OBJS.

From-SVN: r189080

	* system.h (CASE_USE_BIT_TESTS): Poison.
	* stmt.c (CASE_USE_BIT_TESTS): Fold away into its only user ...
	(expand_switch_using_bit_tests_p): ...here.
	* doc/tm.texi.in (CASE_USE_BIT_TESTS): Remove documentation.
	* doc/tm.texi (CASE_USE_BIT_TESTS): Regenerate.

From-SVN: r189078

2012-06-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47061
	* gcc.dg/tree-ssa/vrp71.c: New testcase.

From-SVN: r189076

2012-06-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37541
	* gcc.dg/tree-ssa/pr37508.c: Adjust and un-XFAIL.

From-SVN: r189075

	* system.h (IFCVT_EXTRA_FIELDS): Poison.
	(IFCVT_INIT_EXTRA_FIELDS): Poison.
	* basic-block.h (struct ce_if_block): Remove IFCVT_EXTRA_FIELDS.
	* ifcvt.c (find_if_header): Use IFCVT_MACHDEP_INIT instead of
	IFCVT_INIT_EXTRA_FIELDS.
	* gengtype-parse.c (struct_field_seq): Remove obsolete comment.
	* config/frv/frv.h (IFCVT_INIT_EXTRA_FIELDS): Rename to
	IFCVT_MACHDEP_INIT.
	* config/frv/frv.c (frv_ifcvt_init_extra_fields): Rename to
	frv_ifcvt_machdep_init.
	* doc/tm.texi.in (IFCVT_INIT_EXTRA_FIELDS, IFCVT_EXTRA_FIELDS):
	Remove documentation.
	(IFCVT_MACHDEP_INIT): Document.
	* doc/tm.texi: Regenerate.

From-SVN: r189074

2012-06-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52589
	* gcc.dg/tree-ssa/vrp70.c: New testcase.

From-SVN: r189073

* copying-lib.texi (Library Copying): Don't use @heading inside
@enumerate.

From-SVN: r189072

From-SVN: r189067

tree-vect-stmts.c (vectorizable_operation): Check both VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.

	* tree-vect-stmts.c (vectorizable_operation): Check both
	VEC_WIDEN_MULT_LO_EXPR and VEC_WIDEN_MULT_HI_EXPR optabs.
	Verify that operand[0]'s mode is TYPE_MODE (wide_vectype).

From-SVN: r189064

From-SVN: r189063

	* g++.dg/template/error46.C: Add missing comment to dg-message.
	* g++.dg/template/crash107.C: Likewise.
	* g++.dg/template/error47.C: Likewise.
	* g++.dg/template/crash108.C: Likewise.
	* g++.dg/overload/operator5.C: Likewise.

From-SVN: r189062

	* gcc.dg/Wstrict-aliasing-converted-assigned.c: Fix syntax
	errors in dg-message directives, add comments.

From-SVN: r189061

From-SVN: r189060

        * g++.dg/cpp0x/constexpr-52672.C (ul_ptr): Use SIZE_TYPE instead of
        hard-coded 'unsigned long'.

From-SVN: r189056

From-SVN: r189054

	PR tree-optimization/51581
	* tree-vect-stmts.c (permute_vec_elements): Add forward decl.
	(vectorizable_operation): Handle vectorization of MULT_HIGHPART_EXPR
	also using VEC_WIDEN_MULT_*_EXPR or builtin_mul_widen_* plus
	VEC_PERM_EXPR if vector MULT_HIGHPART_EXPR isn't supported.
	* tree-vect-patterns.c (vect_recog_divmod_pattern): Use
	MULT_HIGHPART_EXPR instead of VEC_WIDEN_MULT_*_EXPR and shifts.

	* gcc.dg/vect/pr51581-4.c: New test.

From-SVN: r189053

	PR tree-optimization/53645
	* tree-vect-generic.c (expand_vector_divmod): Use MULT_HIGHPART_EXPR
	instead of VEC_WIDEN_MULT_{HI,LO}_EXPR followed by VEC_PERM_EXPR
	if possible.

	* gcc.c-torture/execute/pr53645-2.c: New test.

From-SVN: r189052

	PR 53595
	* config/avr/avr.c (avr_hard_regno_call_part_clobbered): New.
	* config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New.
	* config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to
	avr_hard_regno_call_part_clobbered.

From-SVN: r189049

* configure.ac (CFLAGS_FOR_TARGET, CXXFLAGS_FOR_TARGET): Make sure
they contain -O2.
* configure: Regenerate.

From-SVN: r189046

2012-06-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53790
	* expr.c (expand_expr_real_1): Verify if the type is complete
	before inspecting its size.

	* gcc.dg/torture/pr53790.c: New testcase.

From-SVN: r189045

* doc/include/gpl.texi: Remove.
* doc/sourcebuild.texi (Texinfo Manuals): Don't mention gpl.texi.

From-SVN: r189044

	PR tree-optimization/53645
	* tree-vect-generic.c (add_rshift): New function.
	(expand_vector_divmod): New function.
	(expand_vector_operation): Use it for vector integer
	TRUNC_{DIV,MOD}_EXPR by VECTOR_CST.
	* tree-vect-patterns.c (vect_recog_divmod_pattern): Replace
	unused lguup variable with dummy_int.

	* gcc.c-torture/execute/pr53645.c: New test.

From-SVN: r189043

From-SVN: r189042

From-SVN: r189041

expr.c (convert_move): Latch mem integer inputs into a register before expanding a multi-instructions...

        * expr.c (convert_move): Latch mem integer inputs into a
        register before expanding a multi-instructions sequence.

From-SVN: r189040

2012-06-27  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/c++config: Remove __regex nested namespace.
	* include/bits/regex_compiler.h: Change __regex to
	__detail. Adjust doxygen markup, add regex-details group.
	* include/bits/regex_constants.h: Same.
	* include/bits/regex_cursor.h: Same.
	* include/bits/regex_error.h: Same.
	* include/bits/regex_grep_matcher.h: Same.
	* include/bits/regex_grep_matcher.tcc: Same.
	* include/bits/regex_nfa.h: Same.
	* include/bits/regex_nfa.tcc: Same.
	* include/bits/regex.h: Same. Remove static from global constants.

	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust line numbers.

	* include/bits/locale_classes.tcc: Add use_facet, has_facet to
	locales group.

From-SVN: r189039

PR debug/53671
PR debug/49888
* gcc.dg/guality/pr49888.c: Account for the possibility that
the variable is optimized out at the first test.

From-SVN: r189038

re PR rtl-optimization/53706 (Bootstrap failure due to "Invalid write of size 8 at 0xBDC35E: variable_htab_free (var-tracking.c:1418))

PR debug/53706
PR debug/47624
* var-tracking.c (vt_emit_notes): Release loc_exp_dep_pool...
(vt_finalize): ... here instead, if needed.

From-SVN: r189037

PR debug/53740
PR debug/52983
PR debug/48866
* dce.c (word_dce_process_block): Check whether inserting debug
temps are needed even for needed insns.
(dce_process_block): Likewise.
* df-problems.c (dead_debug_add): Add comment about multi-regs.
(dead_debug_insert_temp): Likewise.  Don't subreg when we're
setting fewer regs than a multi-reg requires.

From-SVN: r189036

From-SVN: r189033

        * config/alpha/alpha.c (alpha_dimode_u): New.
        (alpha_init_builtins): Initialize it, and use it.
        (alpha_fold_builtin_cmpbge): Use alpha_dimode_u.
        (alpha_fold_builtin_zapnot, alpha_fold_builtin_insxx): Likewise.
        (alpha_fold_vector_minmax, alpha_fold_builtin_perr): Likewise.
        (alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb): Likewise.
        (alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw): Likewise.
        (alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz): Likewise.
        (alpha_fold_builtin_ctpop): Likewise.
        (alpha_fold_builtin_umulh): Remove.
        (alpha_fold_builtin): Use MULT_HIGHPART_EXPR for UMULH; fix
        typo in MAX_ARGS check.

From-SVN: r189028

        * tree.def (MULT_HIGHPART_EXPR): New.
        * cfgexpand.c (expand_debug_expr): Ignore it.
        * expr.c (expand_expr_real_2): Handle it.
        * fold-const.c (int_const_binop_1): Likewise.
        * optabs.c (optab_for_tree_code): Likewise.
        * tree-cfg.c (verify_gimple_assign_binary): Likewise.
        * tree-inline.c (estimate_operator_cost): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_code_prio, op_symbol_code): Likewise.
        * tree.c (commutative_tree_code): Likewise.  Also handle
        WIDEN_MULT_EXPR, VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR.

From-SVN: r189027