* combine.c: Include "output.h" to define dump_file.
	(uid_insn_cost, last_insn_cost): New global variables.
	(combine_insn_cost): New function to estimate cost of an insn.
	(combine_validate_cost): New function to determine whether a
	try_combine replacement sequence is cheaper than the original.
	(combine_instructions): Allocate and populate uid_insn_cost
	array at the start of the combine pass, and deallocate it after.
	(try_combine): Check combine_validate_cost to determine whether
	a "recombination" should be rejected as being more expensive.
	* Makefile.in (combine.o): Add dependency upon output.h.

From-SVN: r83908

fortran/
PR fortran/16161
* decl.c (gfc_match_type_spec): Rename second argument to
'implicit_flag', reverse meaning. Don't match_char_spec if
'implicit_flag' is set. Rename to ...
(match_type_spec): ... this.
(gfc_match_implicit_none, match_implicit_range): Move here
from match.c.
(gfc_match_implicit): Move here from match.c, try to
match_char_len if match_implicit_range doesn't succeed for
CHARACTER implicits. Call renamed fucntion match_type_spec.
(gfc_match_data_decl, match_prefix): Call renamed function
match_type_spec.
* match.c (gfc_match_implicit_none, match_implicit_range,
gfc_match_implicit): Move to decl.c.
* match.h (gfc_match_implicit_none, gfc_match_implicit):
Move protoypes to section 'decl.c'.
(gfc_match_type_spec): Remove prototype.

testsuite/
PR fortran/16161
* gfortran.fortran-torture/compile/implicit.f90: Add test
for implicit character.

From-SVN: r83907

rs6000.c (rs6000_rtx_costs): Handle subtractions identically to additions, always COSTS_N_INSNS (1).


	* config/rs6000/rs6000.c (rs6000_rtx_costs) <MINUS_EXPR>: Handle
	subtractions identically to additions, always COSTS_N_INSNS (1).

From-SVN: r83906

From-SVN: r83905

 2004-06-30  David Billinghurst (David.Billinghurst@riotinto.com)

	PR fortran/16289
	* gfortran.fortran-torture/execute/intrinsic_nearest.f90
	Use tiny() intrinsic to find smallest non-negative real

From-SVN: r83904

	* gcc.dg/compat/struct-by-value-22_main.c: New test.
	* gcc.dg/compat/struct-by-value-22_x.c: New.
	* gcc.dg/compat/struct-by-value-22_y.c: New.

From-SVN: r83903

	* tree-ssa-pre.c (phi_trans_add): Use is_gimple_min_invariant
	to check for constants.
	(set_remove): Likewise.
	(value_replace_in_set): Likewise.
	(find_leader): Likewise.
	* tree-vn.c (set_value_handle): Likewise.
	(vn_lookup): Likewise.
	(vn_lookup_or_add): Likewise.

From-SVN: r83902

	RTL prologue/epilogue for SPARC
	* config/sparc/sparc-protos.h (sparc_emitting_epilogue): Delete.
	(sparc_skip_caller_unimp): Likewise.
	(load_pic_register): Likewise.
	(leaf_return_peephole_ok): Likewise.
	(compute_frame_size): Rename into sparc_compute_frame_size.
	(sparc_expand_prologue): New prototype.
	(sparc_expand_epilogue): Likewise.
	(output_return): Likewise.
	(eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
	* config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Adjust call to
	compute_frame_size.  Move comment up.
	(DELAY_SLOTS_FOR_EPILOGUE): Delete.
	(ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
	(EPILOGUE_USES): Return true for %g1 if the function uses EH return.
	* config/sparc/sparc.md (UNSPECV_SAVEW): New constant.
	(type attribute): Add 'return' and 'savew'.
	(eligible_for_return_delay): New attribute.
	(return): New delay_slot.
	(sibcall_epilogue): Call sparc_expand_epilogue.
	(prologue): Likewise.  Move up.
	(save_register_window): New expander.
	(save_register_windowsi): New pattern.
	(save_register_windowdi): Likewise.
	(epilogue): New expander.
	(return_internal): New pattern.
	(Return peepholes): Delete.
	* config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): New macro.
	(sparc_emitting_epilogue): Delete.
	(sparc_skip_caller_unimp): Likewise.
	(sparc_sr_alias_set): New global variable.
	(frame_base_name): Delete.
	(frame_base_reg): New global variable.
	(sparc_override_options): Get new alias set for save/restore.
	(leaf_return_peephole_ok): Delete.
	(eligible_for_epilogue_delay): Rename into eligible_for_return_delay.
	Factor out code into eligible_for_restore_insn_delay.
	(eligible_for_restore_insn_delay): New function extraced from above.
	Use IN_UNCOND_BRANCH_DELAY_TRUE instead of IN_BRANCH_DELAY_TRUE.
	(eligible_for_sibcall_delay): Use SIBCALL_SLOT_EMPTY_P.
	Factor out code into eligible_for_restore_insn_delay.
	(load_pic_register): Make static.  Remove check.
	(save_regs): Delete.
	(restore_regs): Likewise.
	(compute_frame_size): Rename into sparc_compute_frame_size.
	Rename leaf_function into leaf_function_p.
	(build_big_number): Delete.
	(save_or_restore_regs): New function.
	(emit_save_regs): Likewise.
	(emit_restore_regs): Likewise.
	(emit_stack_pointer_increment ): Likewise.
	(emit_stack_pointer_decrement): Likewise.
	(sparc_expand_prologue): Likewise.
	(sparc_function_prologue): Rename into sparc_asm_function_prologue.
	Remove all code to emit instructions.
	(sparc_expand_epilogue): New function.
	(sparc_function_epilogue): Rename into sparc_asm_function_epilogue.
	Remove all code to emit instructions.
	(output_restore): New function.
	(output_return): Likewise.
	(output_sibcall): Factor out code into output_restore.
	(print_operand): Adjust for frame_base_reg.
	* target.h (struct gcc_target): New field 'late_rtl_prologue_epilogue'.
	* target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): New define.
	(TARGET_INITIALIZER): Add it.
	* passes.c (rest_of_compilation): Set the conditional predicate
	'current_function_uses_only_leaf_regs' before sched2.  If target
	has 'late_rtl_prologue_epilogue', emit RTL prologue/epilogue right
	before sched2.
	* reorg.c (return_insn_p): New predicate.
	(find_end_label): Use it.
	(relax_delay_slots): Do not thread an unconditional jump that points
	to the end return label.
	* doc/tm.texi (Registers) <Leaf Functions>: Clarify the validity
	domain of 'current_function_uses_only_leaf_regs'.
	(Stack and Calling) <Function Entry>: Document new target hook
	TARGET_LATE_RTL_PROLOGUE_EPILOGUE.

From-SVN: r83901

	* simplify-rtx.c (simplify_binary_operation): Simplify
	((A & N) + B) & M -> (A + B) & M if M is pow2 minus 1 constant and
	N has at least all bits in M set as well.

	PR tree-optimization/15310
	* expr.c (expand_assignment): Optimize += or -= on a bit field in
	most significant bits.

	* gcc.c-torture/execute/20040629-1.c: New test.

From-SVN: r83900

	* src/powerpc/ffi_darwin.c (flush_icache): ';' is a comment
	character on Darwin, use '\n\t' instead.

From-SVN: r83899

From-SVN: r83898

2004-06-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
            Paolo Carlini  <pcarlini@suse.de>

	* include/bits/cpp_type_traits.h: Add __is_pointer and
	__is_trivially_copyable.
	* include/bits/stl_algobase.h (fill, fill_n): Slightly
	tweak to use the latter.
	(__copy_backward_dispatch): Remove.
	(__copy_backward_aux): Rewrite to use __is_pointer and
	__is_trivially_copyable and __copy_backward::copy_b.
	(__copy_backward): Rewrite as a class template and two
	specializations.

2004-06-30  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/25_algorithms/copy.cc: Move to...
	* testsuite/25_algorithms/copy/1.cc: ... here, extend.
	* testsuite/25_algorithms/copy/2.cc: New.
	* testsuite/25_algorithms/copy/3.cc: New.
	* testsuite/25_algorithms/copy/4.cc: New.

From-SVN: r83897

2004-0630  Akos Kiss  <akiss@inf.u-szeged.hu>
* arm.md (cond_return_inverted): Add "length" attribute.

From-SVN: r83896

	* intrinsics/rand.c (rand): Wrap the irand() call from the previous
	commit in prefix.

Co-Authored-By: Steven Bosscher <stevenb@suse.de>

From-SVN: r83895

	* tree.c (build_min_nt, build_min, build_min_non_dep):
	Don't set TREE_COMPLEXITY from input_line.

From-SVN: r83894

winnt.c (i386_pe_encode_section_info): Smash rtlname's XSTR in place, so we don't lose SYMBOL_REF_DECL info.


	* config/i386/winnt.c (i386_pe_encode_section_info):  Smash rtlname's
	XSTR in place, so we don't lose SYMBOL_REF_DECL info.

From-SVN: r83893

	* jni.cc (_Jv_JNI_NewGlobalRef, JNICALL _Jv_JNI_DeleteGlobalRef,
	etc etc):  Remove needless parenthesis, which causes __stdcall__
	attribute on MinGW to get ignored.

From-SVN: r83892

From-SVN: r83891

From-SVN: r83890

	* combine.c (distribute_notes): Don't look at global_regs for
	pseudos.

From-SVN: r83889

        * gimplify.c (gimplify_modify_expr_rhs): Move immediately before
        gimplify_modify_expr.
        (gimplify_init_constructor): Likewise.  Gimplify the null
        CONSTRUCTOR assignment.
        (gimplify_modify_expr_to_memcpy): New.
        (gimplify_modify_expr_to_memset): New.
        (gimplify_modify_expr): Use them.

From-SVN: r83888

From-SVN: r83886

        * web.c (union_defs): use all defs of an instruction to create a
        union with a read/write use

From-SVN: r83882

        PR middle-end/16216
        * builtins.c (gimplify_va_arg_expr): Check for valist being
        an error_mark_node.

From-SVN: r83881

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
Paul Brook  <paul@codesourcery.com>

* runtime/normalize.c (normalize_r4_i4, normalize_r8_i8): Fix
comments.
* intrinsics/rand.c (rand): Call irand() in call to normalize_r4_i4.

Co-Authored-By: Paul Brook <paul@codesourcery.com>

From-SVN: r83880

2004-06-29  Frank Ch. Eigler  <fche@redhat.com>

	Splay tree implementation fork.
	* splay-tree.c, splay-tree.h: Copied & modified from libiberty.
	Use hard-coded comparison function for uintptr_t.  Remove key/value
	deallocation logic.  Cache last splayed key for consecutive lookups.
	* Makefile.am, Makefile.in: Use them, don't link to them.
	* mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
	(__mf_find_objects2): Flip successor/predecessor search sequence.
	* ansidecl.h, libiberty.h: Removed dummy files.


2004-06-29  Nick Clifton  <nickc@redhat.com>

From-SVN: r83879

* decl.c, interface.c, symbol.c, trans-common.c: Add 2004 to
copyright years.

Co-Authored-By: Andrew Vaught <andyv@firstinter.net>

From-SVN: r83878

2004-06-29  Steven Bosscher  <stevenb@suse.de>

	Make sure types in assignments are compatible.  Mostly mechanical.
	* trans-const.h (gfc_index_one_node): New define.
	* trans-array.c (gfc_trans_allocate_array_storage,
	gfc_trans_allocate_temp_array, gfc_trans_array_constructor_subarray,
	gfc_trans_array_constructor_value, gfc_trans_array_constructor,
	gfc_conv_array_ubound, gfc_conv_array_ref,
	gfc_trans_scalarized_loop_end, gfc_conv_section_startstride,
	gfc_conv_ss_startstride, gfc_conv_loop_setup, gfc_array_init_size,
	gfc_trans_array_bounds, gfc_trans_dummy_array_bias,
	gfc_conv_expr_descriptor, gfc_trans_deferred_array): Use the correct
	types in assignments, conversions and conditionals for expressions.
	* trans-expr.c (gfc_conv_expr_present, gfc_conv_substring,
	gfc_conv_unary_op, gfc_conv_cst_int_power, gfc_conv_string_tmp,
	gfc_conv_function_call, gfc_trans_pointer_assignment,
	gfc_trans_scalar_assign): Likewise.
	* trans-intrinsic.c (build_fixbound_expr, gfc_conv_intrinsic_bound,
	gfc_conv_intrinsic_anyall, gfc_conv_intrinsic_count,
	gfc_conv_intrinsic_minmaxloc, gfc_conv_intrinsic_btest,
	gfc_conv_intrinsic_singlebitop, gfc_conv_intrinsic_ishft,
	gfc_conv_intrinsic_ishftc, gfc_conv_intrinsic_strcmp,
	gfc_conv_allocated, gfc_conv_associated,
	gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_trim): Likewise.
	* trans-io.c (set_string): Likewise.
	* trans-stmt.c (gfc_trans_do, gfc_trans_forall_loop,
	gfc_do_allocate, generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp, compute_inner_temp_size,
	compute_overall_iter_number, gfc_trans_assign_need_temp,
	gfc_trans_pointer_assign_need_temp, gfc_trans_forall_1,
	gfc_evaluate_where_mask, gfc_trans_where_assign,
	gfc_trans_where_2): Likewise.
	* trans-types.c (gfc_get_character_type, gfc_build_array_type,
	gfc_get_nodesc_array_type, gfc_get_array_type_bounds): Likewise.

	* trans.c (gfc_add_modify_expr): Add sanity check that types
	for the lhs and rhs are the same for scalar assignments.

From-SVN: r83877

From-SVN: r83876

From-SVN: r83875

* dump-parse-tree.c (show_common): New function.
(gfc_show_namespace): Show commons.

From-SVN: r83874

	* gcc.dg/compat/vector-defs.h: Use vector_size attribute
	only for GCC 3.5+, for GCC up to 3.4 mode(V*) attribute instead.

From-SVN: r83873

	PR target/16195
	* config/rs6000/rs6000.c (rs6000_conditional_register_usage): Make
	r30 fixed if TARGET_TOC && TARGET_MINIMAL_TOC.
	(first_reg_to_save): Pretend call_used_regs[30] is 0 if
	TARGET_TOC && TARGET_MINIMAL_TOC.
	(rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.

	* gcc.dg/20040625-1.c: New test.

From-SVN: r83872

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
Andrew Vaught  <andyv@firstinter.net>

PR fortran/13249
PR fortran/15481
* declc (gfc_match_save): Adapt to new common structures,
don't allow saving USE-associated common.
* dump-parse-tree (gfc_show_attr): (saved_)common are not
symbol attributes any longer.
(gfc_show_symbol): Don't show old-style commons any longer.
(gfc_show_namespace): Adapt call to gfc_traverse_symtree to new
interface.
* gfortran.h (symbol_attribute): Remove common and saved_common
attributes.
(gfc_symbol): Remove common_head element.
(gfc_common_head): New struct.
(gfc_get_common_head): New macro.
(gfc_symtree): Add field 'common' to union.
(gfc_namespace): Add field 'common_root'; change type of field
'blank_common' to blank_common.
(gfc_add_data): New prototype.
(gfc_traverse_symtree): Expect a symtree as first argument
instead of namespace.
* match.c (gfc_get_common): New function.
(match_common_name): Change to take char * as argument, adapt,
fix bug with empty name.
(gfc_match_common): Adapt to new data structures. Disallow
redeclaration of USE-associated COMMON-block. Fix bug with
empty common.
(var_element): Adapt to new common structures.
* match.h (gfc_get_common): Declare.
* module.c: Add 2004 to copyright years, add commons to module
file layout description.
(ab_attribute, attr_bits, mio_symbol_attributes): Remove code
for removed attributes.
(mio_symbol): Adapt to new way of storing common relations.
(load_commons): New function.
(read_module): Skip common list on first pass, load_commons at
second.
(write_commons): New function.
(write_module): Call write_commons().
* symbol.c (gfc_add_saved_comon, gfc_add_common): Remove
functions related to removed attributes.
(gfc_add_data): New function.
(gfc_clear_attr): Don't set removed attributes.
(gfc_copy_attr): Don't copy removed attributes.
(traverse_symtree): Remove.
(gfc_traverse_symtree): Don't traverse symbol
tree of the passed namespace, but require a symtree to be passed
instead. Unify with traverse_symtree.
(gfc_traverse_ns): Call gfc_traverse_symtree according to new
interface.
(save_symbol): Remove setting of removed attribute.
* trans-common.c (gfc_sym_mangled_common_id): Change to
take 'char *' argument instead of 'gfc_symbol'.
(build_common_decl, new_segment, translate_common): Adapt to new
data structures, add new
argument name.
(create_common): Adapt to new data structures, add new
argument name. Fix typo in intialization of derived types.
(finish_equivalences): Add second argument in call to
create_common.
(named_common): take 'gfc_symtree' instead of 'gfc_symbol'.
(gfc_trans_common): Adapt to new data structures.
* trans-decl.c (gfc_create_module_variables): Also output
symbols from commons.

Co-Authored-By: Andrew Vaught <andyv@firstinter.net>

From-SVN: r83871

From-SVN: r83870

	* testsuite/libjava.compile/PR16249.java: New test case. PR
	gcc/16249.

From-SVN: r83869

2004-06-29  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
Andrew Vaught  <andyv@firstinter.net>

* gfortran.h (gfc_gsymbol): New typedef.
(gfc_gsym_root): New variable.
(gfc_get_gsymbol, gfc_find_gsym): New prototypes.
* parse.c (global_used): New function.
(parse_block_data): Check for double empty BLOCK DATA,
use global symbol table.
(parse_module): Use global symbol table.
(add_global_procedure, add_global_program): New functions.
(gfc_parse_file): Use global symbol table.
* symbol.c (gfc_gsym_root): New variable.
(gfc_find_gsym, gsym_compare, gfc_get_gsymbol): New
functions.

Co-Authored-By: Andrew Vaught <andyv@firstinter.net>

From-SVN: r83868

	PR java/1262
	* class.c (layout_class_method): Do not override package-private
	method if its in a different package.
	(split_qualified_name): Move here from parse.y. Rename from
	breakdown_qualified. Add comment.
	(in_same_package): Move here from parse.y. Add comment.
	* java-tree.h (break_down_qualified, in_same_package): Declare.
	(in_same_package): Likewise.
	* parse.y (breakdown_qualified, in_same_package): Moved to class.c.
	Callers updated.

From-SVN: r83867

	* sh.h (TARGET_VARARGS_PRETEND_ARGS): Define.
	* sh.c (extra_push): Delete.
	(sh_expand_prologue): Don't do extra stack adjustment for
	current_function_pretend_args_size if it comes from varargs setup.
	Use TARGET_VARARGS_PRETEND_ARGS.  Don't set extra_push.
	(sh_expand_epilogue): Don't use extra_push.
	(sh_setup_incoming_varargs): Set pretend_arg_size when necessary.

From-SVN: r83864

	* sh.h (TARGET_VARARGS_PRETEND_ARGS): Define.
	* sh.c (extra_push): Delete.
	(sh_expand_prologue): Don't do extra stack adjustment for
	current_function_pretend_args_size if it comes from varargs setup.
	Use TARGET_VARARGS_PRETEND_ARGS.  Don't set extra_push.
	(sh_expand_epilogue): Don't use extra_push.
	(sh_setup_incoming_varargs): Set pretend_arg_size when necessary.

[[Split portion of a mixed commit.]]

From-SVN: r83863.2