PR fortran/19478
	* io/unix.c (fd_truncate): update positions when ftruncate
	fails (like writing to /dev/null).
	* gfortran.dg/dev_null.f90: New test.

From-SVN: r99570

	* arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
	* gcc.dg/arm-vfp1.c: Revert last change.

From-SVN: r99569

2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>

	PR middle-end/19807
	PR tree-optimization/19639
	* fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
	and generic summands for char* as s * delta, too, folding &a[i]
	CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
	for comparison of steps.  Convert types for index addition.
	(fold_binary): Adjust the callers to always dispatch to
	try_move_mult_to_index.
	* tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
	expr with non-gimple ARRAY_REF offset.

	* g++.dg/tree-ssa/pr19807.C: New testcase.

From-SVN: r99568

2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>

	* fold-const.c (fold_indirect_ref_1): Avoid removing
	NOP_EXPRs with type qualifiers like const.

From-SVN: r99566

        PR c/21502
        * c-decl.c (finish_decl): Propagate the completed array type of
        a global variable into the binding.

From-SVN: r99563

	PR libfortran/21471
	* open.c (new_unit): Take care of the case where POSITION_APPEND
	is specified (sseek to the end, and set u>-endfile).
	* gfortran.dg/append-1.f90: New test.

From-SVN: r99560

	(build/varray.o): Depend on $(VARRAY_H).

From-SVN: r99559

tree-optimize.c (init_tree_optimization_passes): Re-organize optimization passes to do an initial batch of scalar cleanups.


	* tree-optimize.c (init_tree_optimization_passes): Re-organize
	optimization passes to do an initial batch of scalar cleanups.

testsuite/ChangeLog

	* gcc.dg/pr18501.c: XFAIL.
	* gcc.dg/tree-ssa/loop-4.c: Fix expected pattern.
	* gcc.dg/tree-ssa/pr20913.c: Change to link-time test.
	* gcc.dg/tree-ssa/ssa-ccp-2.c: Change to a .optimized scan.
	* gcc.dg/tree-ssa/ssa-ccp-7.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-9.c: Likewise.
	* gcc.dg/tree-ssa/ssa-dom-ccp-1.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-7.c: Change to a .fre scan.
	* gcc.dg/tree-ssa/ssa-pre-8.c: Likewise.

From-SVN: r99558

2005-05-11  Paul Brook  <paul@codesourcery.com>

	* Makefile.in: Regenerate dependencies.

From-SVN: r99556

[[Split portion of a mixed commit.]]

From-SVN: r99553.2

	* read-rtl.c (struct macro_traverse_data): Define.
	(map_attr_string): New static function, broken out of
	apply_macro_to_string.
	(mode_attr_index, apply_mode_maps): New static functions.
	(apply_macro_to_string): Call map_attr_string.
	(apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
	all callers.
	(apply_macro_traverse): Expect data to point to a struct
	macro_traverse_data.
	(read_rtx): Add mode_maps local variable.  Use mode_traverse_data
	to pass data through htab_traverse.
	(read_rtx_1): Add mode_maps parameter.  Change all callers.
	Handle mode names which are attribute strings.
	* doc/md.texi (Substitutions): Rename from String Substitutions.
	Change references.  Document using attributes as modes.

From-SVN: r99548

	* tree-cfg.c (tree_duplicate_sese_region): Update profile.
	* tree-optimize.c (init_tree_optimization_passes) Swap
	pass_ch and pass_profile.
	* tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
	here.  Remove rewrite_into_loop_closed_ssa call.

From-SVN: r99547

From-SVN: r99546

From-SVN: r99545

gcc/fortran/
	PR fortran/20178
	* gfortran.h (gfc_option): Add flag_f2c.
	* invoke.texi: Document '-ff2c' command line option.  Adapt
	documentation for '-fno-second-underscore' and '-fno-underscoring'.
	* lang.opt (ff2c): New entry.
	* options.c (gfc-init_options): Set default calling convention
	to -fno-f2c.  Mark -fsecond-underscore unset.
	(gfc_post_options): Set -fsecond-underscore if not explicitly set
	by user.
	(handle_options): Set gfc_option.flag_f2c according to requested
	calling	convention.
	* trans-decl.c (gfc_get_extern_function_decl): Use special f2c
	intrinsics where necessary.
	(gfc_trans_deferred_vars): Change todo error to	assertion.
	* trans-expr.c (gfc_conv_variable): Dereference access
	to hidden result argument.
	(gfc_conv_function_call): Add hidden result argument to argument
	list if f2c calling conventions requested.  Slightly restructure
	tests.  Convert result of default REAL function to requested type
	if f2c calling conventions are used.  Dereference COMPLEX result
	if f2c cc are used.
	* trans-types.c (gfc_sym_type):  Return double for default REAL
	function if f2c cc are used.
	(gfc_return_by_reference): Slightly restructure logic.  Return
	COMPLEX by reference depending on calling conventions.
	(gfc_get_function_type): Correctly make hidden result argument a
	pass-by-reference argument for COMPLEX.  Remove old code which does
	this for derived types.
libgfortran/
	PR fortran/20178
	* Makefile.am (gfor_specific_src): Add 'intrinsics/f2c_intrinsics.F90'
	to dependencies.
	* Makefile.in: Regenerate.
	* intrinsics/f2c_specific.F90: New file.
gcc/testsuite/
	PR fortran/20178
	* gfortran.dg/f2c_1.f90, gfortran.dg/f2c_2.f90,
	gfortran.dg/f2c_3.f90: New tests.

From-SVN: r99544

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
	function.
	(legitimate_reload_constant_p): Add check for const double zero.
	* config/s390/s390.md: Add comment for constraint letter 'G'.
	("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
	attributes for new case.
	* config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
	s390_const_double_ok_for_constraint_p.
	* config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
	Add prototype.

From-SVN: r99541

	PR tree-optimization/21170
	* tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
	rewrite_ssa_into_ssa in comments with update_ssa.

From-SVN: r99540

	* tree-ssa-loop-im.c: Include hashtab.h.
	(struct mem_ref_loc): New.
	(struct mem_ref): Describe the set of references with the same
	shape.
	(max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
	maybe_queue_var, fem_single_reachable_address,
	for_each_memref, single_reachable_address,
	is_call_clobbered_ref, determine_lsm_reg): Removed.
	(record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
	hoist_memory_reference, memref_hash, memref_eq, memref_del,
	gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
	New functions.
	(rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
	(determine_lsm_loop): Rewritten.
	(determine_lsm): Do not set stmt uids.

From-SVN: r99539

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md: Add comment lines for 'f' and 't' constraint
	letters.

From-SVN: r99538

2005-05-10  Adrian Straetling  <straetling@de.ibm.com>

	* config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
	("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
	("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.

From-SVN: r99537

	* tree-ssa-dom.c (dom_opt_finalize_block): Do not call
	thread_across_edge for any abnormal edges.

	* gcc.c-torture/compile/20050510-1.c: New test.

From-SVN: r99536

	* gcj/javaprims.h: Updated.
	* java/lang/String.java (String(StringBuilder)): New constructor.
	* java/lang/natStringBuilder.cc: New file.
	* java/lang/StringBuilder.java: New file.
	* Makefile.in: Rebuilt.
	* Makefile.am (core_java_source_files): Added StringBuilder.java.
	(nat_source_files): Added natStringBuilder.cc.

From-SVN: r99535

From-SVN: r99529

From-SVN: r99528

        * config/ia64/ia64.c (ia64_expand_atomic_op): New.
        * config/ia64/ia64-protos.h: Declare it.
        * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
        (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
        (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
        (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
        (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
        (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
        extend result; use release semantics.
        (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
        (sync_val_compare_and_swap_<IMODE>): Update to match.

From-SVN: r99527

From-SVN: r99526

        * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
        before comparing it for success.

From-SVN: r99525

        * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
        no return value pattern.

From-SVN: r99524

	* libgcov.c (create_file_directory): New function. Create
	directory for the given file name.
	(gcov_max_filename): New static var. Keeps size of the longest
	file name.
	(gcov_exit): Always try to create directory for output
	file. Relocate each filename basing on environment vars.
	(__gcov_init): Remember the longest file name.
	* tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
	* doc/gcov.texi (Cross-profiling): New node documenting
	cross-profiling management.
	* doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.

From-SVN: r99523

	* config/sparc/sparc.c (mem_min_alignment): Do not rely
	on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.

From-SVN: r99521

	* config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
	case code to avoid one move instruction.
	(__umodsi3, __modsi3): Merge duplicated code sequences.

From-SVN: r99520

From-SVN: r99519

From-SVN: r99518

	* tree-data-ref.c (analyze_array_indexes, analyze_array,
	init_data_ref, access_functions_are_affine_or_constant_p,
	free_data_refs): Use VEC instead of VARRAY.
	* tree-data-ref.h (data_reference): Change the type of
	access_fns to VEC(tree,gc)*.
	(DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.

From-SVN: r99517

	* config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
	config/sh/sh.md, config/sh/superh.h: Fix comment typos.
	* doc/invoke.texi: Fix typos.

From-SVN: r99516

2005-05-10  Gabor Loki <loki@gcc.gnu.org>

	PR c/17913
	* c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
	* fold-const.c (fold): Expand the condition of reducing cond_expr.
	(contains_label_1, contains_label_p): New functions for checking
	labels in a sub-tree.

testsuite:
2005-05-10  Gabor Loki <loki@gcc.gnu.org>

	PR c/17913
	* gcc.c-torture/compile/pr17913.c: Computed jump test for PR17913

From-SVN: r99514

gcc/java:
2005-05-10  Paolo Bonzini  <bonzini@gnu.org>

	PR java/21436
	* class.c (maybe_layout_super_class): Look for imports in this_class.
	* parse.h (ctxp_for_generation_last): New.
	(do_resolve_class): Add a parameter.
	* parse.y (ctxp_for_generation_last): New.
	(java_pop_parser_context): Add at end of list.
	(find_in_imports, find_in_imports_on_demand): Look in ctxp
	if the TYPE_IMPORT_LIST or respectively the TYPE_IMPORT_DEMAND_LIST of
	the given type are NULL.
	(do_resolve_class): Look into the imports of the new second parameter.
	Adjust recursive calls.
	(resolve_class, resolve_inner_class, find_as_inner_class): Adjust
	calls to do_resolve_class.
	(create_class): Set the TYPE_IMPORT_LIST and TYPE_IMPORT_DEMAND_LIST.
	(java_complete_class): Do not do that here.

libjava:
2005-05-10  Paolo Bonzini  <bonzini@gnu.org>

	PR java/21436
	* testsuite/libjava.jacks/jacks.xfail: Adjust.

From-SVN: r99513

	PR c/21342
	* c-decl.c (pushdecl): When there is a declaration in the current
	scope and the declarations are external linkage, check for
	compatibility with the type in the external scope and update the
	type in the external scope with the composite type information.
	Do not form a composite type of the new type and the visible type
	if they are incompatible.

testsuite:
	* gcc.dg/redecl-11.c, gcc.dg/redecl-12.c, gcc.dg/redecl-13.c,
	gcc.dg/redecl-14.c, gcc.dg/redecl-15.c: New tests.

From-SVN: r99510

	* crtstuff.c: Revert part of 2005-05-08 Change.
	(IN_LIBGCC2): Define.

From-SVN: r99509

	PR libfortran/20788
	Missing entry from previous commit:
	* io/unix.c (fd_to_stream): Add an avoid_mmap argument indicating
	we don't we to mmap this stream. Use fd_open instead of mmap_open
	in that case.
	(open_external): Call fd_to_stream with avoid_mmap = 0.
	(input_stream): Call fd_to_stream with avoid_mmap = 1.
	(output_stream): Likewise.
	(error_stream): Likewise.

	Really committing:
	* io/read.c (read_f): Accept 'e', 'E', 'd' and 'D' as first
	non-blank characters of a real number.

From-SVN: r99508