re PR middle-end/23488 (GCSE load PRE does not work with non sets (or missing load PRE with plain decls))

2007-07-06  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/23488

	* tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
	(try_to_simplify): Ditto.
	(visit_use): Ditto.
	* tree-vn.c (set_value_handle): Use decl_vh_map for decl value
	handles.
	* tree-flow-inline.h (get_value_handle): Ditto.
	* tree-ssa-pre.c (decl_vh_map): New.
	(decl_node_pool): New.
	(can_value_number_operation): Support DECL_P.
	(can_PRE_operation): Ditto.
	(create_expression_by_pieces): Ditto.
	(find_existing_value_expr): Modify to differnetiate between
	addressing and top level.
	(create_value_handle_for_expr): Handle DECL's.
	(poolify_tree): Ditto.
	(make_values_for_phi): Don't insert into PHI_GEN during FRE.
	(make_values_for_stmt): Handle DECL's properly.
	(init_pre): Reorg to not init useless things during FRE.
	(fini_pre): Ditto.
	* tree-flow.h: Include pointer-set.h.
	(decl_vh_map): Declare.
	* Makefile.in (TREE_FLOW_H): Add pointer-set.h

From-SVN: r126434

From-SVN: r126431

From-SVN: r126428

2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
	apply to assembly language, too.
	* doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.

From-SVN: r126427

	* gcc.dg/20001012-1.c: Run on all fpic-capable targets.
	* gcc.dg/20001012-2.c: Likewise.
	* gcc.dg/tls/opt-7.c: Require an fpic-capable target.
	* gcc.dg/20000222-1.c: Add -fPIC on all fpic-capable targets.

From-SVN: r126426

	* gcc.c-torture/execute/multi-ix.c (CHUNK): Be more conservative
	about the chunk size when STACK_SIZE is defined.

From-SVN: r126425

2007-07-06  Ian Lance Taylor  <iant@google.com>
            Zack Weinberg  <zackw@panix.com>

	PR middle-end/32441
	* builtins.c (std_expand_builtin_va_start): Don't use make_tree.

Co-Authored-By: Zack Weinberg <zackw@panix.com>

From-SVN: r126424

gcc/
	* config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
	(prefetch): Likewise if "pref" would be used.

From-SVN: r126423

2007-07-06  Josh Conner  <jconner@apple.com>

	PR middle-end/32602
	PR middle-end/32603
	* calls.c (store_one_arg): Handle arguments which are partially
	on the stack when detecting argument overlap.

2007-07-06  Josh Conner  <jconner@apple.com>

	PR middle-end/32602
	* gcc.dg/sibcall-8.c: New test.

2007-07-06  Josh Conner  <jconner@apple.com>

	PR middle-end/32603
	* gcc.target/arm/sibcall-1.c: New test.

From-SVN: r126422

2007-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.dg/dfp/convert-dfp-round-thread.c: New test.

From-SVN: r126421

	* update_web_docs_svn: Use -o with makeinfo, texi2dvi and texi2pdf
	commands.

From-SVN: r126420

2007-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac (set_have_cc_tls): Add a missing =.
	* configure: Regenerated.

From-SVN: r126417

config/

2007-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	* tls.m4 (GCC_CHECK_CC_TLS): New.

libgcc/

2007-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config.host (tmake_file): Add t-tls for i[34567]86-*-linux*
	and x86_64-*-linux*.

	* config/t-tls: New file.

	* Makefile.in (INTERNAL_CFLAGS): Add @set_have_cc_tls@. 

	* configure.ac: Include ../config/enable.m4 and
	../config/tls.m4.  Use GCC_CHECK_CC_TLS to check if assembler
	supports TLS and substitute set_have_cc_tls.
	* configure: Regenerated.

libbid/

2007-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	Updated from Intel BID library:
	* bid_conf.h (BID_THREAD): Defined only if both HAVE_CC_TLS
	and USE_TLS are defined.

From-SVN: r126416

	* reload1.c (choose_reload_regs): Set reload_spill_index for regs
	chosen during find_reloads.

From-SVN: r126415

From-SVN: r126414

gcc/fortran:
2007-05-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32633
        * symbol.c (save_status): New.
        * gfortran.h (save_status): Added external declaration.
        (check_conflict): Check for conflicting explicite SAVE statements
        only.
        (gen_special_c_interop_ptr): Use SAVE_EXPLICIT constant.
        * module.c (ab_attribute, attr_bits): Removed enumerator value 
	AB_SAVE for save attribute.
        (mio_symbol_attribute): Import/export the full SAVE status,
        removed usage of AB_SAVE.
        * dump-parse-tree.c (gfc_show_attr): Dump full SAVE status.
        * decl.c (add_init_expr_to_sym): Set SAVE_IMPLICIT only if not
        already explicit.

gcc/testsuite:
2007-07-06  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.dg/save_parameter.f90: New test.
        * gfortran.dg/module_md5_1.f90: Updated MD5 sum.

From-SVN: r126413

gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over TYPE_ARG_TYPES for verification of argument types.

2007-07-06  Richard Guenther  <rguenther@suse.de>

	* gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
	TYPE_ARG_TYPES for verification of argument types.  Use
	DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
	parameters as variable arguments.

        * g++.dg/opt/pr30965.C: New testcase.

From-SVN: r126412

2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* libgcc2.h (word_type): Type definition removed.
	(cmp_return_type, shift_count_type): Type definitions added.
	(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
	replaced with shift_count_type.
	(__cmpdi2, __ucmpdi2): word_type of return type replaced with
	cmp_return_type.
	* libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
	changed from word_type to Wtype.
	(__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
	replaced with shift_count_type.
	(__cmpdi2, __ucmpdi2): word_type of return type replaced with
	cmp_return_type.
	* c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return and
	libgcc_shift_count attribute added.
	* target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
	TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
	(TARGET_INITIALIZER): New target hooks added.
	* targhooks.c (default_libgcc_cmp_return_mode,
	default_libgcc_shift_count_mode): Default implementations for the new
	target hooks added.
	* targhooks.h (default_libgcc_cmp_return_mode,
	default_libgcc_shift_count_mode): Function prototypes added.
	* target.h (struct gcc_target): Fields for the new target hooks added.
	* optabs.c (expand_binop): Use shift_count_mode when expanding shift
	as library call.
	(prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
	library call.

	* doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
	TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.

	* config/s390/s390.c (s390_libgcc_cmp_return_mode,
	s390_libgcc_shift_count_mode): Functions added.
	(TARGET_LIBGCC_CMP_RETURN_MODE,	TARGET_LIBGCC_SHIFT_COUNT_MODE): Target
	hooks defined.

From-SVN: r126410

mips.c (compute_frame_size): Restore the original gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove...

gcc/
	* config/mips/mips.c (compute_frame_size): Restore the original
	gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
	fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
	Document why the difference is needed.

From-SVN: r126406

2007-07-06  Richard Guenther  <rguenther@suse.de>

	* c-common.c (boolean_increment): Use correctly typed
	constant.

	cp/
	* init.c (build_new_1): Use the correct pointer type.
	* typeck2.c (build_m_component_ref): Likewise.

From-SVN: r126405

mips.c (mips16e_save_restore_pattern_p): Check that the topmost argument register is not also included in the save mask.

gcc/
	* config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
	the topmost argument register is not also included in the save mask.
	(mips16e_collect_argument_save_p): Take a pointer to the argument
	register, rather than a pointer to the number of arguments.
	(mips16e_collect_argument_saves): Only include argument saves
	that aren't in the register mask.

gcc/testsuite/
	* gcc.target/mips/save-restore-5.c: New test.

From-SVN: r126404

	PR rtl_optimization/32450
	* function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
	to ensure that instructions are not moved into the prologue when
	profiling is on.  Remove unused prologue_end variable.
	(expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
	as a scheduling barrier.

testsuite/ChangeLog:

	PR rtl_optimization/32450
	* gcc.dg/pr32450.c: New runtime test.

From-SVN: r126403

PR debug/23551
* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
Disregard DECL_FROM_INLINE.

From-SVN: r126402

        * g++.dg/ext/visibility/ms-compat-1.C: Change double underscore to
        single underscore in scan directives.

From-SVN: r126401

	PR c++/32245
	* init.c (build_zero_init): Always build an initializer for
	non-static storage.
	* typeck2.c (build_functional_cast): Use build_zero_init.

	PR c++/32251
	* init.c (build_new_1): Always pass the allocation function to
	build_op_delete_call.
	* call.c (build_op_delete_call): Handle operator delete with a
	variable-argument list.  Do not issue an error when no matching
	deallocation function is available for a new operator.

	PR c++/31992
	* cp-tree.h (any_value_dependent_elements_p): Declare it.
	* decl.c (value_dependent_init_p): New function.
	(cp_finish_decl): Use it.
	* pt.c (value_dependent_expression_p): Use
	any_value_dependent_elements_p.
	* parser.c (cp_parser_primary_expression): Add comment about
	treating dependent qualified names as integral
	constant-expressions.

	PR c++/32245
	* g++.dg/init/ptrmem4.C: New test.

	PR c++/32251
	* g++.dg/init/new21.C: Likewise.

	PR c++/31992
	* g++.dg/template/static30.C: Likewise.

From-SVN: r126399

	* rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
	IORing with a constant.

From-SVN: r126397

From-SVN: r126395

libstdc++.exp (v3-build_support): Use env(AR) and env(RANLIB), not env(AR_FOR_TARGET) and env(RANLIB_FOR_TARGET).

	* testsuite/lib/libstdc++.exp (v3-build_support): Use env(AR)
	and env(RANLIB), not env(AR_FOR_TARGET) and env(RANLIB_FOR_TARGET).

From-SVN: r126392

2007-07-05  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/32475
	* df-scan.c (df_def_record_1): Add a use of the stack pointer
	for every definition of the stack pointer.

From-SVN: r126391

	* arm.c (vfp3_const_double_index): Copy signed results of
	REAL_VALUE_TO_INT into unsigned vars.

From-SVN: r126390

2007-07-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32639
	* alias.c (get_alias_set): Tread METHOD_TYPE the same as
	FUNCTION_TYPE.
	* tree-ssa.c (useless_type_conversion_p): Check canonical
	types early.

From-SVN: r126389

2007-07-05  Andreas Tobler  <a.tobler@schweiz.org>

	* java/lang/natPosixProcess.cc: Reorder includes to fix compilation
	on hppa2.0w-hp-hpux11.11.
	Remove include of <gcj/cni.h>.

From-SVN: r126388

	* config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, 
	zero_extendhisi2): Change to define_insn_and_split. 
	(zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.

From-SVN: r126387

	PR bootstrap/32622
	* config/mh-x86omitfp (BOOT_CFLAGS): Add -fomit-frame-pointer,
	don't reset its value.

From-SVN: r126386

2007-07-05  Paolo Bonzini  <bonzini@gnu.org>

	* function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
	pass_match_asm_constraints): New.
	* passes.c (init_optimization_passes): Add new pass.
	* stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
	* function.h (struct function): Add has_asm_statement bit.
	(current_function_has_asm_statement): New.
	* tree-pass.h (pass_match_asm_constraints): New.

From-SVN: r126385

From-SVN: r126384

gcc/
	* config/mips/mips.c (mips_file_start): Avoid declaration
	after code.

From-SVN: r126383

2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* optabs.c (expand_binop_directly): Fix signed/unsigned comparison.

From-SVN: r126382

	* MAINTAINERS (OS Port Maintainers): Add myself as IRIX, Tru64 UNIX
	maintainer.

From-SVN: r126378

	PR libgcj/28190
	* inclhack.def (irix_stdint_c99): New fix.
	* fixincl.x: Regenerate.
	* tests/base/stdint.h: New test.

From-SVN: r126377