2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* emit-rtl.c (emit_jump_table_data): Strengthen return type from
	rtx to rtx_jump_table_data *.  Also for local.
	* rtl.h (emit_jump_table_data): Likewise.

From-SVN: r214193

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* basic-block.h (create_basic_block_structure): Strengthen third
	param "bb_note" from rtx to rtx_note *.
	* rtl.h (emit_note_before): Strengthen return type from rtx to
	rtx_note *.
	(emit_note_after): Likewise.
	(emit_note): Likewise.
	(emit_note_copy): Likewise.  Also, strengthen param similarly.
	* function.h (struct rtl_data): Strengthen field
	"x_stack_check_probe_note" from rtx to rtx_note *.

	* cfgexpand.c (expand_gimple_basic_block): Strengthen local "note"
	from rtx to rtx_note *.
	* cfgrtl.c (create_basic_block_structure): Strengthen third param
	"bb_note" from rtx to rtx_note *.
	(duplicate_insn_chain): Likewise for local "last".  Add a checked cast
	when calling emit_note_copy.
	* emit-rtl.c (make_note_raw): Strengthen return type from rtx to
	rtx_note *.
	(emit_note_after): Likewise.
	(emit_note_before): Likewise.
	(emit_note_copy): Likewise.  Also, strengthen param similarly.
	(emit_note): Likewise.
	* except.c (emit_note_eh_region_end): Likewise for return type.
	Strengthen local "next" from rtx to rtx_insn *.
	(convert_to_eh_region_ranges): Strengthen local "note"
	from rtx to rtx_note *.
	* final.c (change_scope): Likewise.
	(reemit_insn_block_notes): Likewise, for both locals named "note".
	Also, strengthen local "insn" from rtx to rtx_insn *.
	* haifa-sched.c (sched_extend_bb): Strengthen local "note" from
	rtx to rtx_note *.
	* reg-stack.c (compensate_edge): Likewise for local "after". Also,
	strengthen local "seq" from rtx to rtx_insn *.
	* reload1.c (reload_as_needed): Strengthen local "marker" from rtx
	to rtx_note *.
	* sel-sched-ir.c (bb_note_pool): Strengthen from rtx_vec_t to
	vec<rtx_note *>.
	(get_bb_note_from_pool): Strengthen return type from rtx to
	rtx_note *.
	(sel_create_basic_block): Strengthen local "new_bb_note" from
	insn_t to rtx_note *.
	* var-tracking.c (emit_note_insn_var_location): Strengthen local
	"note" from rtx to rtx_note *.
	(emit_notes_in_bb): Likewise.

From-SVN: r214192

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* function.h (struct rtl_data): Strengthen field
	"x_parm_birth_insn" from rtx to rtx_insn *.
	* function.c (struct assign_parm_data_all): Strengthen fields
	"first_conversion_insn" and "last_conversion_insn" from rtx to
	rtx_insn *.

From-SVN: r214191

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* cfgexpand.c (expand_used_vars): Strengthen return type from rtx
	to rtx_insn *; also for local "var_end_seq".
	(maybe_dump_rtl_for_gimple_stmt): Likewise for param "since".
	(maybe_cleanup_end_of_block): Likewise for param "last" and local
	"insn".
	(expand_gimple_cond): Likewise for locals "last2" and "last".
	(mark_transaction_restart_calls): Likewise for local "insn".
	(expand_gimple_stmt): Likewise for return type and locals "last"
	and "insn".
	(expand_gimple_tailcall): Likewise for locals "last2" and "last".
	(avoid_complex_debug_insns): Likewise for param "insn".
	(expand_debug_locations): Likewise for locals "insn", "last",
	"prev_insn" and "insn2".
	(expand_gimple_basic_block): Likewise for local "last".
	(construct_exit_block): Likewise for locals "head", "end",
	"orig_end".
	(pass_expand::execute): Likewise for locals "var_seq",
	"var_ret_seq", "next".

From-SVN: r214190

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* asan.h (asan_emit_stack_protection): Strengthen return type from
	rtx to rtx_insn *.
	* asan.c (asan_emit_stack_protection): Likewise.  Add local
	"insns" to hold the return value.

From-SVN: r214189

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* basic-block.h (bb_note): Strengthen return type from rtx to
	rtx_note *.
	* sched-int.h (bb_note): Likewise.
	* cfgrtl.c (bb_note): Likewise.  Add a checked cast to rtx_note *.

From-SVN: r214188

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (make_insn_raw): Strengthen return type from rtx to
	rtx_insn *.

	* emit-rtl.c (make_insn_raw): Strengthen return type and local
	"insn" from rtx to rtx_insn *.
	(make_debug_insn_raw): Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_debug_insn *.
	(make_jump_insn_raw):  Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_jump_insn *.
	(make_call_insn_raw):  Strengthen return type from rtx to
	rtx_insn *; strengthen local "insn" from rtx to rtx_call_insn *.
	(emit_pattern_before_noloc): Strengthen return type of "make_raw"
	callback from rtx to rtx_insn *; likewise for local "insn" and
	"next", adding a checked cast to rtx_insn in the relevant cases of
	the switch statement.
	(emit_pattern_after_noloc): Strengthen return type of "make_raw"
	callback from rtx to rtx_insn *.
	(emit_pattern_after_setloc): Likewise.
	(emit_pattern_after): Likewise.
	(emit_pattern_before_setloc): Likewise.
	(emit_pattern_before): Likewise.

From-SVN: r214187

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* emit-rtl.c (last_call_insn): Strengthen return type from rtx to
	rtx_call_insn *.
	* rtl.h (is_a_helper <rtx_call_insn *>::test): New overload,
	accepting an rtx_insn *.
	(last_call_insn): Strengthen return type from rtx to
	rtx_call_insn *.

From-SVN: r214186

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (delete_trivially_dead_insns): Strengthen initial param
	"insns" from rtx to rtx_insn *.
	* cse.c (delete_trivially_dead_insns): Likewise, also do it for
	locals "insn" and "prev".

From-SVN: r214185

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (tablejump_p): Strengthen third param from rtx * to
	rtx_jump_table_data **.

	* cfgbuild.c (make_edges): Introduce local "table", using it in
	place of "tmp" for jump table data.
	(find_bb_boundaries): Strengthen local "table" from rtx to
	rtx_jump_table_data *.
	* cfgcleanup.c (merge_blocks_move_successor_nojumps): Likewise.
	(outgoing_edges_match): Likewise for locals "table1" and "table2".
	(try_crossjump_to_edge): Likewise.
	* cfgrtl.c (try_redirect_by_replacing_jump): Likewise for local
	"table".
	(patch_jump_insn): Introduce local "table", using it in place of
	"tmp" for jump table data.
	(force_nonfallthru_and_redirect): Introduce local "table", so that
	call to tablejump_p can receive an rtx_jump_table_data **.  Update
	logic around the call to overwrite "note" appropriately if
	tablejump_p returns non-zero.
	(get_last_bb_insn): Introduce local "table", using it in place of
	"tmp" for jump table data.
	* dwarf2cfi.c (create_trace_edges): Likewise.

	* config/arm/arm.c (get_jump_table_size): Strengthen param "insn"
	from rtx to rtx_jump_table_data *.
	(create_fix_barrier): Strengthen local "tmp" from rtx to
	rtx_jump_table_data *.
	(arm_reorg): Likewise for local "table".

	* config/s390/s390.c (s390_chunkify_start): Likewise.

	* config/spu/spu.c (spu_emit_branch_hint): Likewise.

	* jump.c (delete_related_insns): Strengthen local "lab_next" from
	rtx to rtx_jump_table_data *.

	* rtlanal.c (tablejump_p): Strengthen param "tablep" from rtx * to
	rtx_jump_table_data **.  Add a checked cast when writing through
	the pointer: we know there that local "table" is non-NULL and that
	JUMP_TABLE_DATA_P (table) holds.
	(label_is_jump_target_p): Introduce local "table", using it in
	place of "tmp" for jump table data.

From-SVN: r214184

	PR c++/62153
	* doc/invoke.texi: Document -Wbool-compare.
c-family/
	* c-common.c (maybe_warn_bool_compare): New function.
	* c-common.h (maybe_warn_bool_compare): Declare.
	* c.opt (Wbool-compare): New option.
c/
	* c-typeck.c (build_binary_op): If either operand of a comparison
	is a boolean expression, call maybe_warn_bool_compare.
cp/
	* call.c (build_new_op_1): Remember the type of arguments for
	a comparison.  If either operand of a comparison is a boolean
	expression, call maybe_warn_bool_compare.
testsuite/
	* c-c++-common/Wbool-compare-1.c: New test.

From-SVN: r214183

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (entry_of_function): Strengthen return type from rtx to
	rtx_insn *.
	* cfgrtl.c (entry_of_function): Likewise.

From-SVN: r214182

	PR tree-optimization/62091
	* decl2.c (decl_needed_p): Return true for virtual functions when
	devirtualizing.

From-SVN: r214181

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* emit-rtl.h (get_insns): Strengthen return type from rtx to
	rtx_insn *, adding a checked cast for now.
	(get_last_insn): Likewise.

From-SVN: r214180

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (gen_label_rtx): Strengthen return type from rtx to
	rtx_code_label *.

	* emit-rtl.c (gen_label_rtx): Likewise.

From-SVN: r214179

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (previous_insn): Strengthen return type from rtx to
	rtx_insn *.
	(next_insn): Likewise.
	(prev_nonnote_insn): Likewise.
	(prev_nonnote_insn_bb): Likewise.
	(next_nonnote_insn): Likewise.
	(next_nonnote_insn_bb): Likewise.
	(prev_nondebug_insn): Likewise.
	(next_nondebug_insn): Likewise.
	(prev_nonnote_nondebug_insn): Likewise.
	(next_nonnote_nondebug_insn): Likewise.
	(prev_real_insn): Likewise.
	(next_real_insn): Likewise.
	(prev_active_insn): Likewise.
	(next_active_insn): Likewise.

	* emit-rtl.c (next_insn): Strengthen return type from rtx to
	rtx_insn *, adding a checked cast.
	(previous_insn): Likewise.
	(next_nonnote_insn): Likewise.
	(next_nonnote_insn_bb): Likewise.
	(prev_nonnote_insn): Likewise.
	(prev_nonnote_insn_bb): Likewise.
	(next_nondebug_insn): Likewise.
	(prev_nondebug_insn): Likewise.
	(next_nonnote_nondebug_insn): Likewise.
	(prev_nonnote_nondebug_insn): Likewise.
	(next_real_insn): Likewise.
	(prev_real_insn): Likewise.
	(next_active_insn): Likewise.
	(prev_active_insn): Likewise.

	* config/sh/sh-protos.h (sh_find_set_of_reg): Convert function ptr
	param "stepfunc" so that it returns an rtx_insn * rather than an
	rtx, to track the change to prev_nonnote_insn_bb, which is the
	only function this is called with.
	* config/sh/sh.c (sh_find_set_of_reg): Likewise.

From-SVN: r214178

	PR lto/53808
	PR c++/61659
	* decl.c (maybe_commonize_var): Don't use DECL_COMDAT to trigger
	comdat_linkage.

From-SVN: r214177

	* ipa-visibility.c (update_visibility_by_resolution_info): Fix
	assert.

From-SVN: r214174

2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* coretypes.h (class rtx_debug_insn): Add forward declaration.
	(class rtx_nonjump_insn): Likewise.
	(class rtx_jump_insn): Likewise.
	(class rtx_call_insn): Likewise.
	(class rtx_jump_table_data): Likewise.
	(class rtx_barrier): Likewise.
	(class rtx_code_label): Likewise.
	(class rtx_note): Likewise.

	* rtl.h (class rtx_debug_insn): New, a subclass of rtx_insn,
	adding the invariant DEBUG_INSN_P (X).
	(class rtx_nonjump_insn): New, a subclass of rtx_insn, adding
	the invariant NONJUMP_INSN_P (X).
	(class rtx_jump_insn): New, a subclass of rtx_insn, adding
	the invariant JUMP_P (X).
	(class rtx_call_insn): New, a subclass of rtx_insn, adding
	the invariant CALL_P (X).
	(class rtx_jump_table): New, a subclass of rtx_insn, adding the
	invariant JUMP_TABLE_DATA_P (X).
	(class rtx_barrier): New, a subclass of rtx_insn, adding the
	invariant BARRIER_P (X).
	(class rtx_code_label): New, a subclass of rtx_insn, adding
	the invariant LABEL_P (X).
	(class rtx_note): New, a subclass of rtx_insn, adding
	the invariant NOTE_P(X).
	(is_a_helper <rtx_debug_insn *>::test): New.
	(is_a_helper <rtx_nonjump_insn *>::test): New.
	(is_a_helper <rtx_jump_insn *>::test): New.
	(is_a_helper <rtx_call_insn *>::test): New.
	(is_a_helper <rtx_jump_table_data *>::test): New functions,
	overloaded for both rtx and rtx_insn *.
	(is_a_helper <rtx_barrier *>::test): New.
	(is_a_helper <rtx_code_label *>::test): New functions, overloaded
	for both rtx and rtx_insn *.
	(is_a_helper <rtx_note *>::test): New.

From-SVN: r214172

	* config/alpha/alpha.h (CLZ_DEFINED_VALUE_AT_ZERO,
	CTZ_DEFINED_VALUE_AT_ZERO): Return 0/1 rather than bool.
	* config/i386/i386.h (CLZ_DEFINED_VALUE_AT_ZERO,
	CTZ_DEFINED_VALUE_AT_ZERO): Return 0/1 rather than bool.

From-SVN: r214171

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* sel-sched-ir.h (BND_TO): insn_t will eventually be an
	rtx_insn *.  To help with transition, for now, convert from an
	access macro into a pair of functions: BND_TO, returning an
	rtx_insn *, and...
	(SET_BND_TO): New function, for use where BND_TO is used as an
	lvalue.

	* sel-sched-ir.c (blist_add): Update lvalue usage of BND_TO to
	SET_BND_TO.
	(BND_TO): New function, adding a checked cast.
	(SET_BND_TO): New function.

	* sel-sched.c (move_cond_jump): Update lvalue usage of BND_TO to
	SET_BND_TO.
	(compute_av_set_on_boundaries): Likewise.

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt (TODO): Add SET_BND_TO

From-SVN: r214170

	* config/i386/i386.md (*ctz<mode>2_falsedep_1): Don't clear
	destination if it is used in source.
	(*clz<mode>2_lzcnt_falsedep_1): Likewise.
	(*popcount<mode>2_falsedep_1): Likewise.

From-SVN: r214169

	PR other/62168
	* configure.ac: Set install_gold_as_default to no first.
	 * configure: Regenerated.

From-SVN: r214168

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* sel-sched-ir.h (BB_NOTE_LIST): struct sel_region_bb_info_def's
	"note_list" field will eventually be an rtx_insn *.  To help with
	transition, for now, convert from an access macro into a pair of
	functions: BB_NOTE_LIST, returning an rtx_insn *, and...
	(SET_BB_NOTE_LIST): New function, for use where BB_NOTE_LIST is
	used as an lvalue.

	* sel-sched.c (create_block_for_bookkeeping): Update lvalue usage
	of BB_NOTE_LIST to SET_BB_NOTE_LIST.

	* sel-sched-ir.c (init_bb): Likewise.
	(sel_restore_notes): Likewise.
	(move_bb_info): Likewise.
	(BB_NOTE_LIST): New function, adding a checked cast to rtx_insn *.
	(SET_BB_NOTE_LIST): New function.

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt (TODO): Add SET_BB_NOTE_LIST.

From-SVN: r214167

From-SVN: r214166

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* sel-sched-ir.h (VINSN_INSN_RTX): struct vinsn_def's "insn_rtx"
	field will eventually be an rtx_insn *.  To help with transition,
	for now, convert from an access macro into a pair of functions:
	VINSN_INSN_RTX, returning an rtx_insn *, and...
	(SET_VINSN_INSN_RTX): New function, for use where VINSN_INSN_RTX
	is used as an lvalue.

	* sel-sched-ir.c (vinsn_init): Replace VINSN_INSN_RTX with
	SET_VINSN_INSN_RTX where it's used as an lvalue.
	(VINSN_INSN_RTX): New function.
	(SET_VINSN_INSN_RTX): New function.

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt (TODO): Add SET_VINSN_INSN_RTX.

From-SVN: r214165

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* sched-int.h (DEP_PRO): struct _dep's "pro" and "con" fields will
	eventually be rtx_insn *, but to help with transition, for now,
	convert from an access macro into a pair of functions: DEP_PRO
	returning an rtx_insn * and...
	(SET_DEP_PRO): New function, for use where DEP_PRO is used as an
	lvalue, returning an rtx&.
	(DEP_CON): Analogous changes to DEP_PRO above.
	(SET_DEP_CON): Likewise.

	* haifa-sched.c (create_check_block_twin): Replace DEP_CON used as
	an lvalue to SET_DEP_CON.
	* sched-deps.c (init_dep_1): Likewise for DEP_PRO and DEP_CON.
	(sd_copy_back_deps): Likewise for DEP_CON.
	(DEP_PRO): New function, adding a checked cast for now.
	(DEP_CON): Likewise.
	(SET_DEP_PRO): New function.
	(SET_DEP_CON): Likewise.

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt (TODO): Add SET_DEP_PRO, SET_DEP_CON.

From-SVN: r214164

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>
	Kai Tietz  <ktietz@redhat.com>

	* config/os/mingw32-w64/os_defines.h (_GLIBCXX_THREAD_ATEXIT_WIN32):
	Define.
	* config/os/newlib/os_defines.h (_GLIBCXX_THREAD_ATEXIT_WIN32):
	Ditto.
	* libsupc++/atexit_thread.cc [_GLIBCXX_THREAD_ATEXIT_WIN32]:
	#include <windows.h>.
	(struct elt): Add dll member.
	(run): Decrement dll refcount.
	(__cxxabiv1::__cxa_thread_atexit): Increment dll refcount.


Co-Authored-By: Kai Tietz <ktietz@redhat.com>

From-SVN: r214163

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

	* config/i386/cygming-crtend.c (register_frame_ctor): Move atexit
	call from here...
	* config/i386/cygming-crtbegin.c (__gcc_register_frame): to here.
	(__dso_handle): Define on Cygwin.
	* config/i386/t-cygming (crtbeginS.o): New rule.
	* config.host (*-*-cygwin*): Add crtbeginS.o to extra_parts.

From-SVN: r214162

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

	* config.gcc (*-*-cygwin*): Use __cxa_atexit by default.
	(extra_options): Add i386/cygwin.opt.
	* config/i386/cygwin.h (STARTFILE_SPEC): Use crtbeginS.o if shared.
	(CPP_SPEC): Accept -pthread.
	(LINK_SPEC): Ditto.
	(GOMP_SELF_SPECS): Update comment.
	* config/i386/cygwin.opt: New file for -pthread flag.

From-SVN: r214161

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* df-core.c (DF_REF_INSN): New, using a checked cast for now.
	* df.h (DF_REF_INSN): Convert from a macro to a function, so
	that we can return an rtx_insn *.

/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtx-classes-status.txt (TODO): Add DF_REF_INSN.

From-SVN: r214160

2014-08-19  Joost VandeVondele <vondele@gcc.gnu.org>

	* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r214159

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

        * config/i386/cygwin.h (LINK_SPEC): Pass --tsaware flag only
        when building executables, not DLLs.  Add --large-address-aware
        under the same conditions.
        * config/i386/cygwin-w64.h (LINK_SPEC): Pass --tsaware flag only
        when building executables, not DLLs.  Add --large-address-aware
        under the same conditions when using -m32.

From-SVN: r214158

2014-08-19  Christopher Faylor  <me.gnu@cgf.cx>

	* MAINTAINERS: Remove myself

From-SVN: r214157

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

        * config/i386/cygwin-stdint.h: Throughout, make type
        definitions dependent on target architecture, not host.

From-SVN: r214156

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

        * configure.tgt: Add cygwin to supported targets.

From-SVN: r214154

2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>

        * config/i386/cygming-crtbegin.c (deregister_frame_fn): Fix
        declaration syntax.

From-SVN: r214153

gcc/
2014-08-19  David Malcolm  <dmalcolm@redhat.com>

	* rtl.h (PREV_INSN): Convert to an inline function.  Strengthen
	the return type from rtx to rtx_insn *,  which will enable various
	conversions in followup patches.  For now this is is done by a
	checked cast.
	(NEXT_INSN): Likewise.
	(SET_PREV_INSN): Convert to an inline function.  This is intended
	for use as an lvalue, and so returns an rtx& to allow in-place
	modification.
	(SET_NEXT_INSN): Likewise.

From-SVN: r214152

2014-08-19  Patrick Palka  <ppalka@gcc.gnu.org>

	PR c/45584
	* c-typeck.c (build_c_cast): Do a conversion even when the
	TYPE_MAIN_VARIANTs are the same.

2014-08-19  Patrick Palka  <ppalka@gcc.gnu.org>

	PR c/45584
	* gcc.dg/pr13519-1.c: Adjust.

From-SVN: r214151

From-SVN: r214144