2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.

From-SVN: r152590

2009-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/parallel/numeric (__adjacent_difference_switch): Fix typo.
	* include/parallel/for_each_selectors.h
	(__adjacent_difference_selector): Likewise.

From-SVN: r152589

2009-10-09  Richard Guenther  <rguenther@suse.de>

	PR driver/41637
	* lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
	globals.
	(lto_wrapper_exit): New function.
	(fatal): Use it.
	(fatal_perror): Likewise.
	(fork_execute): Use global args_name, do not free it.
	(run_gcc): Use global ltrans_output_file, flto_out, do not free them.
	* lto-streamer.h: Remove duplicate prototypes.

	PR lto/41635
	PR lto/41636
	lto/
	* lto.c (read_cgraph_and_symbols): Do not assert we can open
	a file.
	* lto-elf.c (init_shdr##BITS): Fix i18n problems.
	(init_ehdr##BITS): Likewise.

From-SVN: r152588

2009-10-09  Richard Guenther  <rguenther@suse.de>

	* cgraph.c (cgraph_create_edge): Check for NULL call_stmt
	before calling stmt_can_throw_external.

From-SVN: r152587

	* gfortran.dg/block_2.f08: Cleanup "original" tree dump.

From-SVN: r152586

re PR tree-optimization/40071 (ICE (aliasing assert) in vectorizable_store at tree-vect-stmts.c:3117)

	PR tree-optimization/40071
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
	pointer if the original data reference doesn't conflict with the
	created vector data reference.  Fix long line.

From-SVN: r152585

	* config/i386/i386.md (any_div): New code iterator.
	(u): Handle div and udiv.
	(sgnprefix): Ditto.
	(<u>divqi3): Macroize insn from divqi3 and udivqi using and_div
	code iterator.
	(lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
	lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
	(lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
	lceil<mode>{si,di}2 patterns using SWI48 mode iterator.

From-SVN: r152584

From-SVN: r152583

2009-10-08  Doug Kwan  <dougkwan@google.com>

	PR rtl-optimization/41574
	* gcc.dg/pr41574.c: New test.

From-SVN: r152580

	* lto-elf.c (init_shdr##BITS, lto_elf_begin_section_with_type,
	init_ehdr##BITS, lto_elf_file_close): Remove trailing "." from
	diagnostics.
	* lto-lang.c (lto_post_options): Remove trailing "." from
	diagnostics.

From-SVN: r152579

From-SVN: r152578

gcc/ChangeLog:
	Add support for debugging with ICF (Identical Code Folding).
	* calls.c (debug.h): New #include.
	(emit_call_1): Call virtual_call_token debug hook.
	* common.opt (-fenable-icf-debug): New option.
	* dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
	locations in the source).
	(poc_label_num): New variable.
	(dcall_entry, vcall_entry): New typedefs.
	(dcall_table, vcall_table): New variables.
	(struct vcall_insn): New type.
	(vcall_insn_table): New variable.
	(DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
	(size_of_dcall_table): New function.
	(output_dcall_table): New function.
	(size_of_vcall_table): New function.
	(output_vcall_table): New function.
	(dwarf2out_direct_call): New function.
	(vcall_insn_table_hash): New function.
	(vcall_insn_table_eq): New function.
	(dwarf2out_virtual_call_token): New function.
	(dwarf2out_virtual_call): New function.
	(dwarf2out_init): Allocate new tables and sections.
	(prune_unused_types): Mark DIEs referenced from direct call table.
	(dwarf2out_finish): Output direct and virtual call tables.
	* final.c (final_scan_insn): Call direct_call and virtual_call
	debug hooks.
	* debug.h (struct gcc_debug_hooks): Add direct_call,
	virtual_call_token, virtual_call hooks.
	(debug_nothing_uid): New function.
	* debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
	(debug_nothing_uid): New function.
	* dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
	* doc/invoke.texi (-fenable-icf-debug): New option.

gcc/testsuite/ChangeLog:
	Add support for debugging with ICF (Identical Code Folding).
	* g++.dg/debug/dwarf2/icf.C: New test.

From-SVN: r152577

PR debug/41353
* regmove.c (regmove_backward_pass): Replace src with dst in the
debug insn, and check for dst before rather than after.

From-SVN: r152573

* config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
(TARGET_DELEGITIMIZE_ADDRESS): Likewise.

From-SVN: r152571

From-SVN: r152569

	(expand_prologue): Don't initialise last_insn_address variable.
	(final_prescan_insn): Don't output insn size.
	* config/avr/avr.opt (msize): Remove switch.
	* doc/invoke.texi (AVR Options): Remove documentation of -msize
	switch.

From-SVN: r152568

	* combine.c (label_tick_ebb_start): Fix comment.
	(combine_instructions): Set label_tick and label_tick_ebb_start before
	calling setup_incoming_promotions.  Start them from 1.  Increment
	label_tick instead of deriving it from the BB index.  Rather than
	comparing ticks use the block from the previous iteration to decide
	whether to start a new EBB.  Remove empty lines before function.

testsuite/
	* gcc.target/mips/truncate-6.c: New test.

From-SVN: r152567

2009-10-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/ext/bitmap_allocator.h: Minor clean-ups.

From-SVN: r152566

re PR c++/36816 ([c++0x] error deducing template argument taking the address of rvalue reference template)

	PR c++/36816
	* pt.c (maybe_adjust_types_for_deduction): Do rvalue ref adjustment
	even when DEDUCE_EXACT.

From-SVN: r152565

	PR c++/37177
	* pt.c (resolve_nondeduced_context): New.
	* cvt.c (convert_to_void): Call it.
	* semantics.c (finish_decltype_type): Likewise.
	* typeck.c (decay_conversion): Here too.
	* pt.c (tsubst_decl): Don't clobber input_location.
	Don't register a bad specialization.

From-SVN: r152564

	PR middle-end/41573
	* builtins.c (fold_builtin_isascii): Use fold_build2.
	(fold_builtin_isdigit): Ditto.
	* except.c (duplicate_eh_regions_1): Tolerate NULL labels.
	* tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
	remove_useless_stmts_cond, remove_useless_stmts_tf,
	remove_useless_stmts_tc, remove_useless_stmts_bind,
	remove_useless_stmts_goto, remove_useless_stmts_label,
	remove_useless_stmts_1, remove_useless_stmts,
	pass_remove_useless_stmts): Remove.
	* tree-pass.h (pass_remove_useless_stmts): Don't declare.
	* passes.c (init_optimization_passes): Don't add
	pass_remove_useless_stmts.
	* tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
	* tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
	static constants.
	* lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
	for static constants.
	* lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
	* lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.

testsuite/
	* gcc.dg/tree-ssa/foldstring-1.c: Use fre dump.
	* gcc.dg/tree-ssa/useless-1.c: Use gimple dump.
	* gcc.dg/pr41573.c: New test.

From-SVN: r152563

2009-10-08  Richard Guenther  <rguenther@suse.de>

	* gimple.c (free_gimple_type_tables): New function.
	* gimple.h (free_gimple_type_tables): Declare.

	lto/
	* lto.c (read_cgraph_and_symbols): Free the gimple type merging
	hash tables.

From-SVN: r152562

	* ipa-prop.c (ipa_print_node_params) Only print
	names of named arguments.

From-SVN: r152561

2009-10-08  Daniel Gutson  <dgutson@codesourcery.com>
        Daniel Jacobowitz  <dan@codesourcery.com>
        Pedro Alves  <pedro@codesourcery.com>

        libiberty/
        * argv.c (consume_whitespace): New function.
        (only_whitespace): New function.
        (buildargv): Always use ISSPACE by calling consume_whitespace.
        (expandargv): Skip empty files.  Do not stop at the first empty
        argument (calling only_whitespace)..
        * testsuite/test-expandargv.c: (test_data): Test empty lines
        and empty arguments.
        (run_tests): Fix false positives due to shorter arguments.


Co-Authored-By: Daniel Jacobowitz <dan@codesourcery.com>
Co-Authored-By: Pedro Alves <pedro@codesourcery.com>

From-SVN: r152560

2009-10-08  Paolo Carlini  <paolo.carlini@oracle.com>

	* config/abi/pre/gnu.ver: Adjust exports.

From-SVN: r152559

2009-10-08  Rafael Avila de Espindola  <espindola@google.com>

	* lto-plugin.c (add_input_library): New.
	(all_symbols_read_handler): Use add_input_library for items that
	start with -l.
	(process_option): Fit in 80 columns.
	(onload): Handle LDPT_ADD_INPUT_LIBRARY.

2009-10-08  Rafael Avila de Espindola  <espindola@google.com>

	* gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
	being statically linked.

From-SVN: r152558

From-SVN: r152557

	PR bootstrap/41620
	* ipa.c (cgraph_externally_visible_p,
	function_and_variable_visibility,
	whole_program_function_and_variable_visibility): Skip non-finalized
	nodes.

From-SVN: r152556

2009-10-07  Phil Muldoon <pmuldoon@redhat.com>

	* doc/xml/manual/debug.xml: Rewrite and expand GDB Python
	pretty-printer section.

From-SVN: r152554

        * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
        CONST_DOUBLEs.

From-SVN: r152551

2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>

	PR bootstrap/37739
	* config.host: Use config/x-cflags-O1 for powerpc FreeBSD.

From-SVN: r152550

From-SVN: r152549

re PR c/41182 (Revision 145254 caused ICE: tree check: expected integer_cst, have nop_expr in tree_int_cst_lt, at tree.c:5259)

	PR c/41182
	* c-common.c (c_fully_fold_internal): Strip nops from the result
	of recursive calls to c_fully_fold_internal.
	(c_wrap_maybe_const): New.
	(c_save_expr): Use c_wrap_maybe_const.
	* c-common.h (c_wrap_maybe_const): Declare.
	* c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
	build_binary_op): Use c_wrap_maybe_const.

testsuite:
	* gcc.c-torture/compile/pr41182-1.c: New.

From-SVN: r152548

From-SVN: r152547

	* arith.c (arith_power): Use mpc_pow_z.
	* gfortran.h (HAVE_mpc_pow_z): Define.

From-SVN: r152544

From-SVN: r152543

	* real.c: Fix comment to reflect actual exponent size.

From-SVN: r152542

From-SVN: r152541

From-SVN: r152540

	* config/i386/i386.md (any_extend): New code iterator.
	(u, s): New code attributes.
	(sgnprefix): Ditto.
	(DWIH): Rewrite as code iterator for SI and DI modes.
	(DWI): Rewrite as mode attribute.
	(dwi): New mode attribute.
	(di): Depend on SI mode and DI mode.
	(doubleint_general_operand): Remove mode attribute.

	(*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
	DWIH mode iterator.

	(*add<mode>3_doubleword): Use DWIH as the base mode iterator.
	(*sub<mode>3_doubleword): Ditto.

	(mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
	using SWIM248 mode iterator.
	(*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
	using SWI48 mode iterator.
	(<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
	patterns using DWIH mode iterator and any_extend code iterator.
	(<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
	using any_extend code iterator.
	(*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
	patterns using DWIH mode iterator and any_extend code iterator.
	(*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
	using any_extend code iterator.
	(<s>mul<mode>3_highpart): Macroize expander from
	{s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
	and any_extend code iterator.
	(*<s>muldi3_highpart_1): Macroize insn from
	*{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
	(*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
	patterns using any_extend code iterator.
	(*<s>mulsi3_highpart_zext): Macroize insn from
	*{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.

From-SVN: r152539