2005-05-11  Eli Zaretskii  <eliz@gnu.org>

	* pex-djgpp.c: Include string.h, fcntl.h, unistd.h, and
	sys/stat.h.
	(pex_init): Fix last argument to pex_init_common.
	(pex_djgpp_exec_child): Remove leading underscore from _open,
	_dup, _dup2, _close, and _spawnv/_spawnvp.  Replace `program',
	which is undeclared, with `executable', which was unused.  Remove
	unused variable `e'.  Fix casting of last arg to spawnv/spawnvp.
	(pex_djgpp_wait): Declare arguments with ATTRIBUTE_UNUSED.

From-SVN: r99606

2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>

	* bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
	bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
	* bitmap.h: Fixed comments.

From-SVN: r99605

gcc/java:
	* gcj.texi (Code Generation): Document -fbootstrap-classes.
	* decl.c (GCJ_BOOTSTRAP_LOADER_ADDITION): New macro.
	(parse_version): Use it.
	* lang.opt (-fbootstrap-classes): New option.
libjava:
	* external/w3c_dom/Makefile.in: Rebuilt.
	* external/w3c_dom/Makefile.am (libw3c_gcj_la_GCJFLAGS): Added
	-fbootstrap-classes.
	* external/sax/Makefile.in: Rebuilt.
	* external/sax/Makefile.am (libsax_gcj_la_GCJFLAGS): Added
	-fbootstrap-classes.
	* java/lang/Class.h (_Jv_CopyClassesToSystemLoader): Declare as
	friend.
	* java/lang/natVMClassLoader.cc (getSystemClassLoaderInternal):
	Call _Jv_CopyClassesToSystemLoader.
	* java/lang/natClassLoader.cc (system_class_list): New global.
	(_Jv_RegisterClassHookDefault): Handle bootstrap and system
	classes differently.
	(_Jv_CopyClassesToSystemLoader): New function.
	(SYSTEM_LOADER_INITIALIZED): New define.
	* include/jvm.h (GCJ_BOOTSTRAP_LOADER_ADDITION): New define.
	(_Jv_CheckABIVersion): Use it.
	(_Jv_ClassForBootstrapLoader): New function.
	* Makefile.in: Rebuilt.
	* Makefile.am (AM_GCJFLAGS): Added -fbootstrap-classes.

From-SVN: r99604

[[Split portion of a mixed commit.]]

From-SVN: r99602.2

fortran/
	PR fortran/21260
	* io.c (check_format): Look for literal characters inside
	hollerith constant.
testsuite/
	PR fortran/21260
	* gfortran.dg/hollerith_1.f90: New test.

From-SVN: r99597

        PR target/21412
        * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
        (ia64_cannot_force_const_mem): New.
        (tls_symbolic_operand_type): New.
        (ia64_legitimate_constant_p): New.
        (ia64_expand_load_address): Return true on success.  Improve
        checks for when we should not split.
        (ia64_expand_tls_address): New addend operand.  Distribute it
        as appropriate to the tls_kind.  Delay referencing gp.
        (ia64_expand_move): Split symbolic addend as necessary.  Handle
        tls symbols with addends.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
        p0, f0, f1, and r13.
        (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
        * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
        (symbolic_operand splitter): Pass everything through
        ia64_expand_load_address and FAIL or DONE as appropriate.
        (load_fptr): Only accept after reload.
        (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
        load_symptr_low, load_ltoff_dtpmod,
        (load_dtpmod): New.
        (load_dtprel): Only accept tls symbols.
        (load_dtprel64, load_dtprel22): Likewise.
        (load_tprel, load_tprel64, load_tprel22): Likewise.
        (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
        (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
        (add_dtprel14, add_dtprel22): Likewise.
        (add_tprel, add_tprel14, add_tprel22): Likewise.
        * config/ia64/predicates.md (small_addr_symbolic_operand): New.
        (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
        (got_symbolic_operand): Check CONST offsets.
        (tls_symbolic_operand, ld_tls_symbolic_operand): New.
        (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
        (move_operand): Don't handle tls here.  Check CONST offsets.

From-SVN: r99596

	* config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
	Remove hilo_operand check.
	(rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
	* config/mips/predicates.md (hilo_operand): Delete.

From-SVN: r99592

From-SVN: r99591

	PR tree-optimizer/18472
	* tree-if-conv.c (tree_if_convert_stmt,
	if_convertible_modify_expr_p): Don't handle GOTO_EXPR.

From-SVN: r99588

From-SVN: r99586

	* Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
	(GTFILES): add except.h.
	* except.c (eh_status): Add throw_stmt_table.
	(set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
	* except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
	lookup_stmt_eh_region_fn): Declare.
	(throw_stmt_node): New structure.
	(set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
	* gengtype.c (open_base_files): Add except.h to inlines.
	* tree-eh.c (throw_stmt_node): Kill.
	(record_stmt_eh_region): Update.
	(add_stmt_to_eh_region_fn): Break out from ...
	(add_stmt_to_eh_region): ... here.
	(remove_stmt_from_eh_region_fn): Break out from ...
	(remove_stmt_from_eh_region): ... here.
	(lookup_stmt_eh_region_fn): Break out from ...
	(lookup_stmt_eh_region): ... here.
	(honor_protect_cleanup_actions): Use build_resx.
	(lower_try_finally_onedest): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.
	(lower_eh_constructs): Update eh table construction.
	* tree.c (build_resx): New.
	* tree.h (build_resx): Declare.

From-SVN: r99585

2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>

	* libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
	is needed.

From-SVN: r99584

	* tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
	redundant code.

From-SVN: r99583

From-SVN: r99582

	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
	* config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
	default definition.
	(FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.

From-SVN: r99581

resolve.c (resolve_symbol): Copy 'pointer' and 'dimension' attribute from result symbol to function symbol.

fortran/
	* resolve.c (resolve_symbol): Copy 'pointer' and 'dimension'
	attribute from result symbol to function symbol.
testsuite/
	* gfortran.dg/func_result_2.f90: New test.

From-SVN: r99580

	PR bootstrap/21481
	* crtstuff.c: Include auto-host.h again, for now.

From-SVN: r99579

From-SVN: r99578

	* config/mips/mips.md (type): Add imul3.
	(length, hazard, may_clobber_hilo): Check for imul3.
	(mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
	(*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
	* config/mips/24k.md (r24k_int_mul3): Enable this reservation
	for a 3 operand mul and its bypasses.
	* config/mips/3000.md (r3k_imul): Add imul3 to reservations.
	* config/mips/4000.md (r4k_imul): Likewise.
	* config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
	* config/mips/4130.md (vr4130_class, vr4130_mulsi)
	(vr4130_muldi): Likewise.
	* config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
	* config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
	* config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
	* config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
	(ir_vr54_imadd_si): Likewise.
	* config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
	* config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
	(rm7_impy_di): Likewise.
	* config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
	* config/mips/generic.md (generic_imul): Likewise.
	* config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
	* config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.

From-SVN: r99577

	PR middle-end/20371:
	* tree.h (record_layout_info_s): New member prev_packed.
	* stor-layout.c (update_alignment_for_field): Fix comment about
	KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
	we start it properly aligned.
	(place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
	to update_alignment_for_field, and recompute it afterwards using
	the alignment of the record.
	When a packed bitfield precedes an MS bitfield, don't add padding
	at the end of the packed bitfield on behalf of the base type of
	the packed bit field.
	Don't adjust rli->bitpos at the end
	of an MS bitfield run if we already adjusted bitpos/offset for an
	alignment as large or larger than the bitfield type size.
	Take possible record alignment > BIGGEST_ALIGNMENT into account
	when calculating actual_align.
	Only put packed buit fields into rli->prev_field if they end up
	suitably aligned.
	Also set rli->remaining_in_alignment when we re-set rli->prev_field.
	Update rli->remaining_in_alignment when we have already started a
	run of bit fields and we process a packed bit field.

From-SVN: r99574

tree-data-ref.c (find_data_references_in_loop): Give up when the body of the loop contains a CALL_EXPR or an ASM_EXPR...

	* tree-data-ref.c (find_data_references_in_loop): Give up when
	the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
	may embed arbitrary side effects.
	Remove the assumption that GIMPLE form contains a single array
	access per statement.
	When the statement contains virtual operands, fail if it is not
	a MODIFY_EXPR or a CALL_EXPR.
	Return after the dont know node is inserted.

From-SVN: r99573

	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