* floatformat.c (floatformat_to_double): Correctly handle numbers
between 1 and 2.  Simplify handling of denormal number.
(main): Test with 1.1.

From-SVN: r190493

gcc/

	PR target/20020
	* config/i386/i386.c (ix86_member_type_forces_blk): New function.
	(TARGET_MEMBER_TYPE_FORCES_BLK): New macro.

	* config/i386/i386.h (MAX_FIXED_MODE_SIZE): New macro.

gcc/testsuite/

	PR target/20020
	* gcc.target/i386/pr20020-1.c: New test.
	* gcc.target/i386/pr20020-2.c: Likewise.
	* gcc.target/i386/pr20020-3.c: Likewise.

Co-Authored-By: Gary Funck <gary@intrepid.com>

From-SVN: r190492

2012-08-17  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* simplify-rtx.c (simplify_binary_operation_1): Optimize shuffle of
	a concatenation.

gcc/testsuite/
	* gcc.target/i386/perm-concat.c: New test.

From-SVN: r190490

	* stor-layout.c (compute_record_mode): Replace
	MEMBER_TYPE_FORCES_BLK with targetm.member_type_forces_blk.
	(layout_type): Likewise.

	* system.h: Poison MEMBER_TYPE_FORCES_BLK.

	* target.def (member_type_forces_blk): New target hook.

	* targhooks.c (default_member_type_forces_blk): New.
	* targhooks.h (default_member_type_forces_blk): Likewise.

	* doc/tm.texi.in (MEMBER_TYPE_FORCES_BLK): Removed.
	(TARGET_MEMBER_TYPE_FORCES_BLK): New hook.
	* doc/tm.texi: Regenerated.

	* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Removed.

	* config/ia64/ia64.c (ia64_member_type_forces_blk): New
	function.
	(TARGET_MEMBER_TYPE_FORCES_BLK): New macro.

	* config/rs6000/rs6000.c (TARGET_MEMBER_TYPE_FORCES_BLK): New
	macro.
	(rs6000_member_type_forces_blk): New function.

	* config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Removed.

	* config/xtensa/xtensa.c (xtensa_member_type_forces_blk): New
	function.
	(TARGET_MEMBER_TYPE_FORCES_BLK): New macro.

	* config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Removed.

From-SVN: r190488

2012-08-17  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54281
	* configure.ac: Add libintl.h to AC_CHECK_HEADERS list.
	* config.in: Regenerate.
	* configure: Regenerate.
	* intl.h: Always include libintl.h if HAVE_LIBINTL_H is
	set.

From-SVN: r190487

Makefile.in (LIB2_DIVMOD_EXCEPTION_FLAGS): Default to -fexceptions -fnon-call-exceptions if not defined.

    libgcc/
    * Makefile.in (LIB2_DIVMOD_EXCEPTION_FLAGS): Default to
    -fexceptions -fnon-call-exceptions if not defined.
    ($(lib2-divmod-o), $(lib2-divmod-s-o)): Use above.
    * config/arm/t-bpabi (LIB2_DIVMOD_EXCEPTION_FLAGS): Define.

    gcc/testsuite/
    * gcc.target/arm/div64-unwinding.c: New test.

From-SVN: r190483

* config/m68k/linux-atomic.c (__sync_lock_test_and_set_1): Fix
type.

From-SVN: r190480

2012-08-17  Richard Guenther  <rguenther@suse.de>

	* bitmap.h (struct bitmap_element_def): GTY annotate next/prev.
	(struct bitmap_head_def): GTY skip current field.

From-SVN: r190479

	* config/fr30/fr30.md  (cbranchsi4): Remove mode from
	comparison.
	(branch_true): Likewise.
	(branch_false): Likewise.

From-SVN: r190478

	* config/mcore/mcore.md (cbranchsi4): Remove mode from
	comparison.

From-SVN: r190477

	* config/iq2000/iq2000.md (cbranchsi4): Remove mode from
	comparison and label.
	(branch_zero): Likewise.
	(branch_zero_inverted): Likewise.
	(branch_equality): Likewise.
	(branch_equality_inverted): Likewise.
	(extend-and-compare): Disable until reload issues can be
	resolved.
	* config/iq2000/iq2000.c (gen_conditional_branch): Use VOIDmode
	for comparison.
	(iq2000_function_arg_advance): Remove CONST_CAST2.

From-SVN: r190476

	PR middle-end/54146
	* tree-ssa-loop-im.c (lim_bitmap_obstack): New bitmap_obstack.
	(memref_free): Don't free the bitmaps individually here.
	(mem_ref_alloc): Allocate the bitmaps on the new bitmap obstack.
	(analyze_memory_references): Likewise.
	(tree_ssa_lim_initialize): Initialize the new bitmap obstack.
	(tree_ssa_lim_finalize): Release it.
	* dse.c (dse_bitmap_obstack): New bitmap obstack.
	(dse_obstack): New obstack.
	(get_group_info): Allocate the bitmaps on the new bitmap obstack.
	(dse_step0): Allocate the scratch bitmap on reg_obstack.  Initialize
	the new bitmap obstack and normal obstack.  Use XNEWVEC for bb_table.
	(record_store): Allocate regs_set on reg_obstack.
	(dse_step1): Allocate regs_live on reg_obstack.
	(dse_step2_init): Allocate offset_map_n and offset_map_p on the new
	obstack.
	(dse_step3_scan): Allocate bitmaps on the new bitmap obstack.
	(dse_step3): Likewise.
	(dse_confluence_0): Likewise.
	(dse_confluence_n): Likewise.
	(dse_transfer_function): Likewise.
	(dse_step7): Destroy the new obstacks, and everything allocated on
	them, in one big sweep.
	(rest_of_handle_dse): Update.
	* cfgexpand.c (stack_var_bitmap_obstack): New bitmap obstack.
	(add_stack_var_conflict): Allocate bitmaps on it.
	(add_scope_conflicts_1): Likewise.
	(add_scope_conflicts): Likewise.
	(update_alias_info_with_stack_vars): Likewise.
	(init_vars_expansion): Move TREE_USED fiddling expand_used_vars.
	Initialize the new bitmap obstack.
	(fini_vars_expansion): Release it.
	(estimated_stack_frame_size): Use init_vars_expansion to set things up
	and always clean up at the end.
	(expand_used_vars): Do the TREE_USED trickery here.  Always call
	fini_vars_expansion.
	* tree-ssa-live.h (struct tree_live_info_d): Make livein and liveout
	arrays of bitmap_head to avoid one indirection per bitmap access.
	(live_on_entry, live_on_exit, live_var_map, live_merge_and_clear,
	make_live_on_entry): Update.
	* tree-ssa-live.c (partition_view_bitmap): Don't double-free 'used'.
	(liveness_bitmap_obstack): New bitmap obstack.
	(remove_unused_locals): Use it to allocate all bitmaps on.  Update
	for livein/liveout changes in tree-ssa-live.h.
	(delete_tree_live_info): Release the bitmap obstack.
	(loe_visit_block, live_worklist, set_var_live_on_entry,
	calculate_live_on_exit, dump_live_info): Update.
	(calculate_live_ranges): Initialize the bitmap.
	* tree-ssa-ter.c (ter_bitmap_obstack): New bitmap obstack.
	(new_temp_expr_table): Allocate bitmap on it.
	(make_dependent_on_partition, add_to_partition_kill_list,
	add_dependence, process_replaceable): Likewise.
	(find_replaceable_exprs): Initialize and release the new obstack here.
	* df-problems.c (df_lr_add_problem): Allocate persistent bitmap
	for out_of_date_transfer_functions on df_bitmap_obstack.
	(df_live_add_problem): Likewise.
	(df_chain_add_problem): Likewise.
	(df_word_lr_add_problem): Likewise.

From-SVN: r190475

	* config/mep/t-mep (mep-pragma.o): Use $(COMPILER) to compile
	mep-pragma.c.

From-SVN: r190474

	* config/avr/t-avr (gen-avr-mmcu-texi): Use $(CC) to compile
	gen-avr-mmcu-texi.c.

From-SVN: r190473

	* arm.md (arm_addsi3): New variant for Thumb2 16-bit ADD instruction.
	* arm.c (thumb2_reorg): Don't convert an ADD instruction that's
	already 16 bits.

From-SVN: r190472

hash-table.h (class hash_table): Use a descriptor template argument instead of decomposed element type and...

2012-08-17  Richard Guenther  <rguenther@suse.de>

	* hash-table.h (class hash_table): Use a descriptor template
	argument instead of decomposed element type and support
	functions.
	(struct pointer_hash): New generic typed pointer-hash.
	(struct typed_free_remove, struct typed_noop_remove): Generic
	hash_table support pieces.
	* coverage.c (struct counts_entry): Add hash_table support
	members.
	* tree-ssa-ccp.c (gimple_htab): Use pointer_hash.
	* tree-ssa-coalesce.c (struct ssa_name_var_hash): New generic
	SSA name by SSA_NAME_VAR hash.
	(coalesce_ssa_name): Use it.
	* tree-ssa-pre.c (struct pre_expr_d): Add hash_table support.
	(expression_to_id): Adjust.
	(struct expr_pred_trans_d): Add hash_table support.
	(phi_translate_table): Adjust.
	(phi_trans_lookup): Likewise.
	(phi_trans_add): Likewise.
	(do_regular_insertion): Likewise.
	* tree-ssa-tail-merge.c (struct same_succ_def): Add hash_table
	support.
	(same_succ_htab): Adjust.
	(find_same_succ_bb): Likewise.
	(find_same_succ): Likewise.
	(update_worklist): Likewise.
	* tree-ssa-threadupdate.c (struct redirection_data): Add hash_table
	support.
	(redirection_data): Adjust.

From-SVN: r190471

2012-08-17  Richard Guenther  <rguenther@suse.de>

	* params.def (integer-share-limit): Decrease from 256 to 251,
	add rationale.

From-SVN: r190470

2012-08-17  Richard Guenther  <rguenther@suse.de>

	* tree-sra.c (modify_function): Free redirect_callers vector.
	* ipa-split.c (split_function): Free args_to_pass vector.
	* tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Free
	body_cost_vec properly.
	(vect_enhance_data_refs_alignment): Likewise.
	* tree-vect-stmts.c (vectorizable_operation): Do not pre-allocate
	vec_oprnds.
	(new_stmt_vec_info): Do not pre-allocate STMT_VINFO_SAME_ALIGN_REFS.
	* tree-vect-slp.c (vect_free_slp_instance): Free the instance.
	(vect_analyze_slp_instance): Free everything.
	(destroy_bb_vec_info): Free the SLP instances.

From-SVN: r190469

	* config/rs6000/rs6000.c (macho_branch_islands): Adjust for changes
	to vec.h.

From-SVN: r190468

	* doc/invoke.texi (-Wsizeof-pointer-memaccess): Document.
c/
	* c-tree.h (c_last_sizeof_arg): Declare.
	* c-parser.c (struct c_tree_loc_pair): New type.
	(c_parser_expr_list): Add sizeof_arg argument.  Fill it in if
	non-NULL.
	(c_parser_attributes, c_parser_objc_keywordexpr): Adjust callers.
	(c_parser_postfix_expression_after_primary): Likewise.  Call
	sizeof_pointer_memaccess_warning if needed.
	(sizeof_ptr_memacc_comptypes): New function.
	* c-typeck.c (c_last_sizeof_arg): New global variable.
	(c_expr_sizeof_expr, c_expr_sizeof_type): Initialize it.
cp/
	* cp-tree.def (SIZEOF_EXPR): Move to c-common.def.
c-family/
	* c-common.c (sizeof_pointer_memaccess_warning): New function.
	* c.opt (-Wsizeof-pointer-memaccess): Add new option.
	* c-opts.c (c_common_handle_option): Enable it for -Wall.
	* c-common.h (sizeof_pointer_memaccess_warning): Add prototype.
	* c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def.
fortran/
	* array.c (gfc_match_array_ref): Fix up memset arguments.
testsuite/
	* gcc.dg/torture/Wsizeof-pointer-memaccess1.c: New test.

From-SVN: r190467

        * config.host (*-*-aix*): Move rs6000/t-ibm-ldouble after
        rs6000/t-slibgcc-aix.

From-SVN: r190465

	gcc/
	* config/mips/mips-dsp.md (mips_dpau_h_qbl, mips_dpau_h_qbr)
	(mips_dpsu_h_qbl, mips_dpsu_h_qbr, mips_dpaq_s_w_ph)
	(mips_dpsq_s_w_ph, mips_mulsaq_s_w_ph, mips_dpaq_sa_l_w)
	(mips_dpsq_sa_l_w, mips_maq_s_w_phl, mips_maq_s_w_phr)
	(mips_maq_sa_w_phl, mips_maq_sa_w_phr): Add accum_in attribute.

From-SVN: r190464

re PR middle-end/54261 (reverse sync/atomic operators when only sync_compare_and_swap_optab libfuncs implemented)

	PR middle-end/54261
	* optabs.c (expand_atomic_fetch_op): Save and restore code when
	retrying after failed attempt.

From-SVN: r190463

From-SVN: r190462

	PR target/54236
	* config/sh/sh.md (addc): Add commutative modifier.
	(*addc, *minus_plus_one, *subc, *negc): New insns and splits.

	PR target/54236
	* gcc.target/sh/pr54236-1.c: New.

From-SVN: r190459

	PR target/39423
	* config/sh/sh.md (*movsi_index_disp, *movhi_index_disp): Handle
	potential T_REG clobber.  Convert zero extending split to
	insn_and_split.

From-SVN: r190458

	PR target/54089
	* config/sh/sh.md (ashlsi3_d): Do not split if it would result
	in a T_REG clobber.  Correct comment.
	(ashlsi3_n): Correct comment.

From-SVN: r190457

	(check_effective_target_sync_char_short): Enable for crisv32-*
	and cris-*.

From-SVN: r190456

re PR middle-end/54261 (reverse sync/atomic operators when only sync_compare_and_swap_optab libfuncs implemented)

	PR middle-end/54261
	* gcc.dg/torture/pr54261-1.c: New test.

From-SVN: r190455

re PR middle-end/54261 (reverse sync/atomic operators when only sync_compare_and_swap_optab libfuncs implemented)

	PR middle-end/54261
	* optabs.c (expand_atomic_fetch_op): Save and restore code when
	retrying after failed attempt.

From-SVN: r190454

2012-08-16  Yuri Rumyantsev  <ysrumyan@gmail.com>

	* config/i386/i386-protos.h (ix86_split_lea_for_addr) : Add
	additional argument.
	* config/i386/i386.md (ix86_split_lea_for_addr) : Add
	additional argument curr_insn.
	* config/i386/i386.c (ix86_split_lea_for_addr): Load base or index
	register first, depending on their defintion distances.
	(ix86_lea_outperforms): Prefer LEA only if split cost exceeds
	AGU stall.
	(find_nearest_reg-def): New function. Find register with
	nearest definition.

From-SVN: r190452

Add a stub header file "feedback.h," needed to compile glibc and
linux.
	* config.gcc (tilegx-*-linux*): Add feedback.h.
	(tilepro-*-linux*): Likewise.
	* config/tilegx/feedback.h: New file.
	* config/tilepro/feedback.h: New file.

From-SVN: r190451

2012-08-16   Diego Novillo  <dnovillo@google.com>

	Revert

	PR bootstrap/54281
	* double-int.h: Move including of gmp.h ...
	* system.h: ... here.
	* realmpfr.h: Do not include gmp.h.
	* tree-ssa-loop-niter.c: Do not include gmp.h.

From-SVN: r190449

2012-08-16  Segher Boessenkool  <segher@kernel.crashing.org>

       * config/rs6000/darwin.h (TARGET_IEEE_QUAD): Fix comment.

From-SVN: r190446

2012-08-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54146
	* tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the
	exit vector.
	* ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK.
	* cfgloop.h (FOR_EACH_LOOP_BREAK): Fix.
	* tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc.
	* tree-into-ssa.c (get_ssa_name_ann): Allocate info only when
	needed.
	* tree-ssa-loop-im.c (analyze_memory_references): Adjust.
	(tree_ssa_lim_finalize): Free all mem_refs.
	* tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free
	scc when bailing out.
	* modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK.
	* ira-build.c (loop_with_complex_edge_p): Free loop exit vector.
	* graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use
	FOR_EACH_LOOP_BREAK.

From-SVN: r190445

2012-08-16  Diego Novillo  <dnovillo@google.com>

	PR bootstrap/54281
	* double-int.h: Move including of gmp.h ...
	* system.h: ... here.
	* realmpfr.h: Do not include gmp.h.
	* tree-ssa-loop-niter.c: Do not include gmp.h.

fortran/ChangeLog
	* gfortran.h: Do not include gmp.h.

From-SVN: r190444

	PR middle-end/54146
	* tree-flow.h (compute_global_livein): Remove prototype.
	* tree-into-ssa.c (compute_global_livein): Remove function.
	* tree-ssa-loop-manip.c: Include gimple-pretty-print.h.
	(find_sibling_superloop): New function.
	(compute_live_loop_exits): New function.
	(add_exit_phis_edge): Rename to add_exit_phi.  Do not allow
	inserting a PHI in a block that is not a loop exit for VAR.
	Add dumping if TDF_DETAILS.
	(add_exit_phis_var): Rewrite.
	(add_exit_phis): Update.
	(get_loops_exits): Rewrite to return an array of per-loop exits
	rather than one bitmap with all loop exits.
	(find_uses_to_rename_bb): Ignore virtual PHI nodes.
	(rewrite_into_loop_closed_ssa): Update.

From-SVN: r190442

	* config/i386/i386elf.h (ASM_OUTPUT_ASCII): Cast _ascii_bytes
	before passing it to ASM_OUTPUT_LIMITED_STRING.

From-SVN: r190441

From-SVN: r190440

	* config/avr/t-avr: Replace occurrences of $(CC) with $(COMPILER).
	* config/avr/avr.c (avr_legitimize_reload_address): Add casts
	for reload_type enums.
        (DEF_BUILTIN): Cast the icode to enum insn_code.

From-SVN: r190439