combine.c (recog_for_combine): Log the success or failure of matching new insn patterns against the machine...

	* combine.c (recog_for_combine): Log the success or failure of
	  matching new insn patterns against the machine description in
	  detailed dumps.

From-SVN: r126251

From-SVN: r126249

2007-07-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/20888
	* resolve.c (resolve_operator): Check for NULL as operand.

2007-07-03  Tobias Burnus  <burnus@net-b.de>

	PR fortran/20888
	* gfortran.dg/null_2.f90: New.

From-SVN: r126247

2007-07-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Rewrite 'configure --help' strings to look nicer.
	* configure: Regenerate.

2007-07-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Add some missing m4 quotation.
	* configure: Regenerate.

From-SVN: r126246

re PR middle-end/32176 (ICE tree-type mismatch: expected integer_cst, have plus_expr in int_cst_value, at tree.c:7720)

	PR middle-end/32176
	* gcc.dg/pr32176.c: New test.


Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

From-SVN: r126245

libcpp/ChangeLog:

	* include/cpplib.h (CPP_N_WIDTH_MD, CPP_N_MD_W, CPP_N_MD_Q):
	Add new constants.
	* expr.c (interpret_float_suffix): Process 'w', 'W', 'q' and 'Q'
	suffixes.  Return CPP_N_MD_W for 'w' or 'W' suffixes and CPP_N_MD_Q
	for 'q' or 'Q' suffixes.

gcc/ChangeLog:

	* targhooks.h (default_mode_for_suffix): New function declaration.
	* targhooks.c (default_mode_for_suffix): New default target hook.
	* target.h (struct c): New structure in the targetm struct.
	(mode_for_suffix): New target hook as part of struct c.
	target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
	default_mode_for_suffix.
	(TARGET_C): New define.
	* c-lex.c: Include "target.h".
	(interpret_float): Use targetm.c.mode_for_suffix to determine
	the mode for a given non-standard suffix.
	Makefile.in (c-lex.o): Depend on $(TARGET_H).

	* config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
	(TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.

	* doc/extend.texi (Floating Types): New node.  Document __float80 and
	__float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.

testsuite/ChangeLog:

	* gcc.dg/const-float80.c : New test.
	* gcc.dg/const-float128.c : New test.
	* gcc.dg/const-float80-ped.c : New test.
	* gcc.dg/const-float128-ped.c : New test.

From-SVN: r126244

re PR target/32506 (cross compile sh64-superh-linux-gnu internal compiler error: in change_address_1, at emit-rtl.c:1800)

	PR target/32506
	* config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
	predicate instead of target_operand.
	(divsi3_i1_media, divsi3_media_2): Likewise.

From-SVN: r126243

From-SVN: r126241

2007-07-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	Restore collateral damage from ISO C Binding merge.

        2007-06-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/32456
	* io/unit.c (filename_from_unit): Don't use find_unit, instead search
	for unit directly.

From-SVN: r126238

	* gcc.dg/c99-math.h: Fix typo.

From-SVN: r126235

	* tree.h (alias_sets_might_conflict_p): Rename into
	alias_sets_must_conflict_p.
	* alias.c (alias_sets_might_conflict_p): Likewise.
	(alias_sets_conflict_p): Use it.
	(objects_must_conflict_p): Likewise.
	* c-common.c (strict_aliasing_warning): Adjust.

From-SVN: r126233

2007-07-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        * Makefile.in:  Regenerated with automake 1.9.6.

From-SVN: r126232

2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * rtlhooks.c (gen_lowpart_if_possible): Check for
        invalid subreg before calling gen_lowpart_SUBREG.

From-SVN: r126230

	* config/darwin9.h: Add copyright notice.
	(LINK_COMMAND_SPEC): Add comment.
	(DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
	* config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
	DARWIN_LIBSYSTEM_HAS_UNWIND.

From-SVN: r126229

re PR libgomp/32468 (number of threads in a parallel region depends on number of SECTIONs and MAX_THREADS)

	PR libgomp/32468
	* omp-low.c (check_combined_parallel): New function.
	(lower_omp_parallel): Call it via walk_stmts, set
	OMP_PARALLEL_COMBINED if appropriate.
	(determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
	isn't the only statement in WS_ENTRY_BB or OMP_RETURN
	the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
	don't consider it as combined parallel.

	* gcc.dg/gomp/pr32468-1.c: New test.

From-SVN: r126226

gcc/
	* configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
	(gcc_tooldir): Likewise.
	* configure: Regenerate.
	* Makefile.in (libsubdir_to_prefix): New variable, based on the
	old configure.ac gcc_tooldir setting.
	(prefix_to_exec_prefix): New variable.
	(DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
	rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.

From-SVN: r126225

re PR libgomp/32468 (number of threads in a parallel region depends on number of SECTIONs and MAX_THREADS)

	PR libgomp/32468
	* sections.c (GOMP_parallel_sections_start): Only decrease
	number of threads to COUNT if dyn_var is true.
	* testsuite/libgomp.c/pr32468.c: New test.

From-SVN: r126224

gcc/testsuite/
	* gcc.target/mips/mips.exp (setup_mips_tests): Treat -mfp* as
	an ABI option.

From-SVN: r126223

2007-07-02  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/32583
	Fix PR tree-optimization/32584
	* tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
	(phi_translate_set): Use phi_translate directly now.
	(make_values_for_stmt): Don't value number RHS if we already know
	it is constant.

From-SVN: r126222

2007-07-02  Simon Baldwin  <simonb@google.com>

        * MAINTAINERS (Write After Approval): Add myself.

From-SVN: r126221

2007-07-02  Steven G. Kargl  <kargl@gcc.gnu.org>

        * Makefile.in:  Remove extraneous kill.lo rule.

From-SVN: r126220

parser.c (cp_parser_elaborated_type_specifier): Added a warning for inner-style nested forward declarations that don't declare...

2007-07-02  Simon Baldwin  <simonb@google.com>

        * parser.c (cp_parser_elaborated_type_specifier): Added a warning
        for inner-style nested forward declarations that don't declare
        anything useful.

From-SVN: r126219

	* g++.dg/lookup/using16.C: Merge dg-errors with common line.
	* g++.dg/lookup/using17.C: Merge dg-errors with common line.

From-SVN: r126218

2007-07-02  Simon Baldwin <simonb@google.com>

        * argv.c (writeargv): Removed declaration of unused variable.

From-SVN: r126217

	PR target/31684
	* haifa-sched.c (add_to_speculative_block): Change copy_rtx to
	copy_insn.

Co-Authored-By: James E Wilson <wilson@specifixinc.com>

From-SVN: r126216

2007-07-02  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* generated/pow_r*_i4.c: Removed.

From-SVN: r126215

        * ChangeLog: Add following to my previous description:

        (if_convertible_loop_p): Clear aux field of incoming edges if bb
        contains phi node.

From-SVN: r126214

	PR boehm-gc/21940
	PR boehm-gc/21942
	* configure.ac (GC_SOLARIS_THREADS): Don't define on *-*-solaris*.
	Use alternate thread library in /usr/lib/lwp.
	* configure: Regenerate.
	* dyn_load.c: Use GC_SOLARIS_PTHREADS.
	* include/gc_config_macros.h (GC_SOLARIS_THREADS): Don't define.
	* include/private/gcconfig.h: Handle 64-bit Solaris 2/x86.
	(GC_SOLARIS_THREADS): Don't define.
	* include/private/solaris_threads.h: Remove.
	* pthread_support.c (GC_thr_init) [GC_SOLARIS_PTHREADS]: Determine
	GC_nprocs via sysconf().
	* Makefile.am (libgcjgc_la_SOURCES): Remove solaris_pthreads.c and
	solaris_threads.c.
	(gctest_LDADD): Use THREADLIBS instead of THREADDLLIBS.
	* Makefile.in: Regenerate.	 
	* solaris_pthreads.c: Remove.
	* solaris_threads.c: Remove.

From-SVN: r126211

	PR libgcj/30513
	* configure.host (i[3-6]86-*): Undef sun.

From-SVN: r126210

	PR libgomp/26308
	* config/posix/lock.c (_XOPEN_SOURCE): Don't define on Tru64 UNIX.

From-SVN: r126208

gcc/
2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
	    Richard Sandiford  <richard@codesourcery.com>
	    Nigel Stephens  <nigel@mips.com>

	* config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
	(mips16e_output_save_restore): Declare.
	(mips16e_save_restore_pattern_p): Likewise.
	* config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
	* config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
	for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
	&& !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
	(BITSET_P): New global macro, extracted from...
	(mips_for_each_saved_reg): ...here.
	(mips16e_save_restore_info): New struct.
	(mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
	(mips16e_save_restore_regs): New variable.
	(mips_split_plus, mips16e_find_first_register): New functions.
	(mips16e_mask_registers): New function.
	(compute_frame_size): Expand the commentary before the function.
	Enforce the MIPS16e save and restore register range restrictions.
	Pad the general register save area at the low end.
	(mips16e_save_restore_reg, mips16e_build_save_restore)
	(mips16e_save_restore_pattern_p, mips16e_add_register_range)
	(mips16e_output_save_restore, mips16e_collect_propagate_value)
	(mips16e_collect_argument_save, mips16e_collect_argument_saves):
	New functions.
	(mips_expand_prologue, mips_expand_epilogue): Handle
	GENERATE_MIPS16E_SAVE_RESTORE.
	* config/mips/mips.md (*mips16e_save_restore): New pattern.

gcc/testsuite/
	* gcc.target/mips/save-restore-1.c: New test.
	* gcc.target/mips/save-restore-2.c: Likewise.
	* gcc.target/mips/save-restore-3.c: Likewise.
	* gcc.target/mips/save-restore-4.c: Likewise.

From-SVN: r126207

	PR tree-optimization/31966
	PR tree-optimization/32533
	* tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
	"basic_block" description as its third argument.  Update function
	calls to get destination bb from "edge" argument.  Save "cond" into
	aux field of the edge.  Update prototype for changed arguments.
	(find_phi_replacement_condition): Operate on incoming edges, not
	on predecessor blocks.  If there is a condition saved in the
	incoming edge aux field, AND it with incoming bb predicate.
	Return source bb of the first edge.
	(clean_predicate_lists): Clean aux field of outgoing node edges.
	(tree_if_conversion): Do not initialize cond variable. Move
	variable declaration into the loop.
	(replace_phi_with_cond_gimple_modify_stmt): Remove unneded
	initializations of new_stmt, arg0 and arg1 variables.

testsuite/ChangeLog:

	PR tree-optimization/31966
	PR tree-optimization/32533
	* gcc.dg/tree-ssa/pr31966.c: New runtime test.
	* gfortran.dg/pr32533.f90: Ditto.

From-SVN: r126206

From-SVN: r126205

2007-07-02  Richard Guenther  <rguenther@suse.de>

	* testsuite/ChangeLog: Remove conflict marker, fix typo in date.

From-SVN: r126204

2007-07-02  Douglas Gregor  <doug.gregor@gmail.com>

        * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
        Tweak line numbers.
        * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
        Ditto.
        * testsuite/20_util/make_unsigned/requirements/typedefs-1.cc:
        Don't try to create an unsigned wchar_t.
        * testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
        Don't try to create an unsigned wchar_t.
        * testsuite/util/testsuite_hooks.h: Remove a stray semicolon.

From-SVN: r126203

	PR c++/31748
	* semantics.c (finish_omp_clauses): Use %qD instead of %qE for
	DECL_P in not a variable and appears more than once error messages.

	* g++.dg/gomp/pr31748.C: New test.

From-SVN: r126201

tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p, SSA_NAMEs, RESULT_DECLs and PARM_DECLs.

	* tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
	SSA_NAMEs, RESULT_DECLs and PARM_DECLs.

	* g++.dg/opt/nrv12.C: New test.
	* gcc.target/i386/nrv1.c: New test.

From-SVN: r126200

tree-ssa.c (useless_type_conversion_p): Document future intent as defining the middle-end type system.

2007-07-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (useless_type_conversion_p): Document
	future intent as defining the middle-end type system.
	Re-structure to call langhook last, group by type class,
	mark questionable parts.

From-SVN: r126199

2007-07-02  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (types_compatible_p): Declare.
	* tree-ssa.c (types_compatible_p): New function.
	* ipa-type-escape.c (discover_unique_type): Use
	types_compatible_p instead of lang_hooks.types_compatible_p.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
	* tree-vn.c (expressions_equal_p): Likewise.
	* tree.c (fields_compatible_p): Likewise.
	* tree-ssa-dom.c (avail_expr_eq): Likewise.
	(cprop_operand): Use useless_type_conversion_p instead of
	lang_hooks.types_compatible_p.
	* tree-inline.c (setup_one_parameter): Likewise.
	(declare_return_variable): Likewise.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
	(maybe_fold_offset_to_component_ref): Likewise.
	(maybe_fold_offset_to_reference): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Likewise.
	(merge_alias_info): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
	* tree-ssa-phiopt.c (conditional_replacement): Likewise.
	* tree-ssa-reassoc.c (optimize_ops_list): Likewise.
	* tree-tailcall.c (find_tail_calls): Likewise.
	* tree-vect-generic.c (expand_vector_operations_1): Likewise.
	* gimplify.c (canonicalize_addr_expr): Likewise.
	(fold_indirect_ref_rhs): Likewise.
	(gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
	(cpt_same_type): Likewise.
	(check_pointer_types_r): Swap parameters to cpt_same_type
	where appropriate.
	* fold-const.c (fold_convert): Revert fix for PR15988.
	* tree-inline.c (setup_one_parameter): Instead fix it here by
	using fold_build1 instead of fold_convert and checking for
	error_mark_node.  Convert only if the conversion is necessary.

From-SVN: r126198

	* configure.ac: Check for .gnu_attribute on Power.
	* configure: Regenerate.
	* config/rs6000/rs6000.c (rs6000_file_start): If supported, output
	attribute for floating-point ABI.

From-SVN: r126197