PR tree-optimization/54889
	* tree-vect-stmts.c (vectorizable_load): Add VIEW_CONVERT_EXPR if
	ARRAY_REF newref doesn't have compatible type with vectype element
	type, use vectype element type for MEM_REF.

	* gfortran.dg/pr54889.f90: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192493 138bc75d-0d04-0410-961f-82ee72b054a4
	PR debug/54796
	* rtl.h: Document jump flag on VALUE.
	* cselib.h (cselib_set_value_sp_based,
	cselib_sp_based_value_p): New prototypes.
	* alias.c (find_base_term): For cselib_sp_based_value_p
	return static_reg_base_value[STACK_POINTER_REGNUM].
	* cselib.c (SP_BASED_VALUE_P): Define.
	(cselib_set_value_sp_based, cselib_sp_based_value_p): New functions.
	* var-tracking.c (add_stores): Call cselib_set_value_sp_based
	for not yet preserved VALUEs of sp on sp assignments if
	hard_frame_pointer_adjustment != -1.
	(vt_initialize): When setting hard_frame_pointer_adjustment,
	disassociate sp from its previous value and call
	cselib_set_value_sp_based on a new VALUE created for sp.

	* gcc.dg/guality/pr54796.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192494 138bc75d-0d04-0410-961f-82ee72b054a4
2012-10-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50981
        PR fortran/54618
        * trans.h (gfc_conv_derived_to_class, gfc_conv_class_to_class):
        Update prototype.
        * trans-stmt.c (trans_associate_var,gfc_trans_allocate): Update
        calls to those functions.
        * trans-expr.c (gfc_conv_derived_to_class,
        * gfc_conv_class_to_class,
        gfc_conv_expr_present): Handle absent polymorphic arguments.
        (class_scalar_coarray_to_class): New function.
        (gfc_conv_procedure_call): Update calls.

2012-10-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/50981
        PR fortran/54618
        * gfortran.dg/class_optional_1.f90: New.
        * gfortran.dg/class_optional_2.f90: New.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192495 138bc75d-0d04-0410-961f-82ee72b054a4
	* reload.c (find_reloads_subreg_address): Remove FORCE_REPLACE
	parameter.  Always replace normal subreg with memory reference
	whenever possible.  Return NULL otherwise.
	(find_reloads_toplev): Always call find_reloads_subreg_address
	for subregs of registers equivalent to a memory location.
	Only recurse further if find_reloads_subreg_address fails.
	(find_reloads_address_1): Only call find_reloads_subreg_address
	for subregs of registers equivalent to a memory location.
	Properly handle failure of find_reloads_subreg_address.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192499 138bc75d-0d04-0410-961f-82ee72b054a4
2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	PR c/40989
gcc/
	* optc-gen.awk: Handle new form of LangEnabledBy.
	* opts.c (set_Wstrict_aliasing): Declare here. Make static.
	* common.opt (Wstrict-aliasing=,Wstrict-overflow=): Do not use Init.
	* doc/options.texi (LangEnabledBy): Document new form.
	* flags.h (set_Wstrict_aliasing): Do not declare.
c-family/
	* c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
	* c-opts.c (c_common_handle_option): Do not set them here. Add
	comment.
	(c_common_post_options): Likewise.
testsuite/
	* gcc.dg/Wstrict-overflow-24.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192502 138bc75d-0d04-0410-961f-82ee72b054a4
2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/53063
	PR c/40989
	* doc/options.texi (EnabledBy): Document new form.
	* optc-gen.awk: Handle new form of EnabledBy.
	* common.opt (Wunused-but-set-parameter): Use EnabledBy.
	(Wunused-parameter): Likewise.
	* opts.c (finish_options): Do not handle them explicitly.
	* opt-functions.awk (search_var_name): New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192503 138bc75d-0d04-0410-961f-82ee72b054a4
        * loop-doloop.c (doloop_modify): Pass doloop_end pattern to
        gen_doloop_begin.
        (doloop_optimize): Pass flag to indicate if loop is entered at top
        to gen_doloop_end.
        * config/arm/thumb2.md (doloop_end): Accept extra operand.
        * config/bfin/bfin.md (doloop_end): Likewise.
        * config/c6x/c6x.md (doloop_end): Likewise.
        * config/ia64/ia64.md (doloop_end): Likewise.
        * config/mep/mep.md (doloop_begin, doloop_end): Likewise.
        * config/rs6000/rs6000.md (doloop_end): Likewise.
        * config/s390/s390.md (doloop_end): Likewise.
        * config/sh/sh.md (doloop_end): Likewise.
        * config/spu/spu.md (doloop_end): Likewise.
        * config/tilegx/tilegx.md (doloop_end): Likewise.
        * config/tilepro/tilepro.md (doloop_end): Likewise.
        * doc/md.texi (doloop_end): Document new operand.
        * basic-block.h (contains_no_active_insn_p): Declare.
        * cfgrtl.c (contains_no_active_insn_p): New function, factored
        out of ...
        (forwarder_block_p): ... here.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192505 138bc75d-0d04-0410-961f-82ee72b054a4
Merge remote-tracking branch 'origin/master'