tree-data-ref.c (compute_estimated_nb_iterations, [...]): Fixed to use chrec_contains_undetermined to test the values of...

	* tree-data-ref.c (compute_estimated_nb_iterations,
	analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
	analyze_subscript_affine_affine, find_data_references_in_loop):
	Fixed to use chrec_contains_undetermined to test the values of
	loop->estimated_nb_iterations.
	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
	Compute the estimation only when loop->estimated_nb_iterations
	has not yet been initialized.
	(convert_step_widening, scev_probably_wraps_p): Add a call to
	estimate_numbers_of_iterations_loop.
	* tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.

From-SVN: r100749

	PR debug/21946
	* dwarf2out.c (add_loc_descr_op_piece): Move to the
	DWARF2_DEBUGGING_INFO section.

From-SVN: r100748

        PR target/21721
        * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.

From-SVN: r100745

From-SVN: r100743

	PR target/21889
	* target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
	* target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
	(TARGET_ASM_OUT): Add it.
	* doc/tm.texi (Debugging Info): Document it.
	* dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
	Test it instead of ASM_OUTPUT_DWARF_DTPREL.
	(loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
	* system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
	* config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
	* config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
	(gen_inlined_tls_plt): Remove unused variable MEM.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
	* config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
	* config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
	* config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
	* config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
	* config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
	* config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
	* config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
	* config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
	* config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
	* config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
	(TARGET_GNU_TLS): Define to 1.
	* config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
	* config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
	unused.
	(TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
	if TARGET_GNU_TLS only.
	* config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.

	* config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
	(sparc-*-solaris2*): Likewise on Solaris 7 and up.

From-SVN: r100742

2005-06-07  Dale Johannesen  <dalej@apple.com>

	* gcc.target/i386/movq.c:  New.

From-SVN: r100741

2005-06-07  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.md (movqi_1):  Fix case where source
        is memory and destination EDI.

From-SVN: r100740

From-SVN: r100738

2005-06-07  Eric Christopher  <echristo@redhat.com>

	* system.h: Poison EXTRA_CC_MODES.
	* config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
	* config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
	* doc/md.texi (Jump Patterns): Replace reference to
	EXTRA_CC_MODES with machine-modes.def.
	* doc/rtl.texi (Machine Modes): Ditto.

From-SVN: r100737

[[Split portion of a mixed commit.]]

From-SVN: r100735.2

        * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
        (assemble_start_function): Fix strcmp confusion.

From-SVN: r100733

2005-06-07  Uros Bizjak  <uros@kss-loka.si>

	* config/i386/i386.h (enum ix86_entity): New.
	(enum ix86_stack_slot): New.
	(OPTIMIZE_MODE_SWITCHING): Redefine to use
	ix86_optimize_mode_switching[] array.
	(NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
	(MODE_NEEDED): Use ix86_mode_needed() function.
	(EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
	function.
	(struct machine_function): Use optimize_mode_switching[] array.

	* config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
	(ix86_mode_needed): New function.
	(emit_i387_cw_initialization): Cleanup. Use mode to calculate
	correct stack positions for stored control words.
	(assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
	(ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
	SLOT_TEMP.
	[IX86_BUILTIN_STMXCSR]: Same.

	* config/i386/i386-protos.h (assign_stack_local): Change prototype.
	(emit_i387_cw_initialization): Change prototype.
	(ix86_mode_needed): New prototype.

	* config/i386/i386.md (i387_cw attribute): Change order of elements.
	(truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
	(*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
	(*fist<mode>2_ceil_1): Change constant in call to
	assign_386_stack_local to SLOT_TEMP.
	(*fix_trunc<mode>_i387_1): Change constant in call to
	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
	Use new ix86_optimize_mode_switching[] array.
	(frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
	Use new ix86_optimize_mode_switching[] array.
	(frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
	Use new ix86_optimize_mode_switching[] array.
	(frndintxf2_trunc): Change constants in call to
	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
	Use new ix86_optimize_mode_switching[] array.
	(frndintxf2_mask_pm): Change constants in call to
	assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
	Use new ix86_optimize_mode_switching[] array.

	(define_peephole2): Change constant from 17 to FLAGS_REG;

From-SVN: r100732

        PR rtl-opt/21528
        * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.

From-SVN: r100730

2005-06-07  Dale Johannesen  <dalej@apple.com>

        * gcc.dg/20050607-1.c:  New.

From-SVN: r100729

2005-06-07  Dale Johannesen  <dalej@apple.com>

        * tree-nested.c (finalize_nesting_tree_1):  Disable
        warn_padded around layout_type call.

From-SVN: r100728

	* tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
	before emiting it.

From-SVN: r100727

2005-06-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/predicates.md: Revert previous patch.

From-SVN: r100726

	PR middle-end/21850
	* tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
	from vector types.

	* gcc.c-torture/execute/20050607-1.c: New test.

From-SVN: r100725

	* cpplib.pot: Regenerate.

	* gcc.pot: Regenerate.

From-SVN: r100724

2005-06-07  David Ayers  <d.ayers@inode.at>

	* archive.c, init.c, selector.c: Include hash.h.
	* archive.c, class.c, encoding.c, gc.c, hash.c, hash_compat.c,
	init.c, misc.c, nil_method.c, objects.c, sarray.c, selector.c,
	sendmsg.c, thr-dce.c, thr-decosf1.c, thr-irix.c, thr-mach.c,
	thr-objc.c, thr-os2.c, thr-posix.c, thr-pthreads.c, thr-rtems.c,
	thr-single.c, thr-solaris.c, thr-vxworks.c, thr-win32.c, thr.c:
	Include Objective-C headers with quotes and objc/ directory
	prefix.

From-SVN: r100723

	* tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
	(thread_stats): New local variable.
	(redirect_edges): Increment count of threaded edges.
	(thread_through_all_blocks): Initialize thread_stats.
	Display number of threaded jumps if TDF_STATS is enabled.

From-SVN: r100722

2005-06-07  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/21926
	* m4/matmul.m4:  Correct zeroing of result for non-packed
	arrays with lowest stride is one.
	* generated/matmul_c4.c:  Regenerated.
	* generated/matmul_c8.c:  Regenerated.
	* generated/matmul_i4.c:  Regenerated.
	* generated/matmul_i8.c:  Regenerated.
	* generated/matmul_r4.c:  Regenerated.
	* generated/matmul_r8.c:  Regenerated.

2005-06-07  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/21926
	* gfortran.fortran-torture/execute/intrinsic_matmul.f90:
	Test case where the return array has lowest stride one,
	but isn't packed.

From-SVN: r100721

	* sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
	the current bit index with no modulo.

From-SVN: r100720

From-SVN: r100719

	* Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
	* tree-chrec.c: Include cfgloop.h and tree-flow.h.
	(evolution_function_is_invariant_rec_p,
	evolution_function_is_invariant_p): New.
	(chrec_convert): Use an extra parameter AT_STMT for refining the
	information that is passed down to convert_step.  Integrate the
	code that was in count_ev_in_wider_type.
	* tree-chrec.h (count_ev_in_wider_type): Removed.
	(chrec_convert): Modify its declaration.
	(evolution_function_is_invariant_p): Declared.
	(evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
	* tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
	(scev_probably_wraps_p): Declared.
	* tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
	(follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
	Use an extra parameter AT_STMT for refining the information that is
	passed down to convert_step.
	(follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
	analyze_scalar_evolution_1): Initialize AT_STMT with the current
	analyzed statement.
	(instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
	* tree-ssa-loop-ivopts.c (idx_find_step): Update the use of
	can_count_iv_in_wider_type to use convert_step.
	* tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move
	code that is independent of the loop over the known iteration
	bounds to convert_step_widening, the rest is moved to
	proved_non_wrapping_p.
	(scev_probably_wraps_p): New.
	(can_count_iv_in_wider_type): Renamed convert_step.
	* tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
	Use scev_probably_wraps_p for computing init_is_max.
	(vrp_visit_assignment): Pass the current analyzed statement to
	adjust_range_with_scev.
	(execute_vrp): Call estimate_numbers_of_iterations for refining the
	information provided by scev analyzer.

testsuite:

	* testsuite/gcc.dg/vect/vect-77.c: Remove xfail from lp64.
	* testsuite/gcc.dg/vect/vect-78.c: Same.

From-SVN: r100718

2005-06-07  Adrian Straetling  <straetling@de.ibm.com>

	* lib/target-supports.exp (check_effective_target_sync_int_long):
	Add s390 and s390x targets.

From-SVN: r100717

2005-06-07  Eric Christopher  <echristo@redhat.com>

	* config/mips/predicates.md (sleu_operand): Use
	IN_RANGE to specify range of operand.

From-SVN: r100716

missed entry
       * cp-tree.def (DEFAULT_ARG): Adjust documentation.
	* cp-tree.h (DEFARG_INSTANTIATIONS): New.
	(struct tree_default_arg): Add instantiations member.
	* parser.c (cp_parser_late_parsing_default_args): Adjust to use a
	VEC.
	* pt.c (tsubst_arg_types): Likewise.

From-SVN: r100715

	PR tree-optimization/21847
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
	-fnon-call-exceptions, also mark statements inherently
	necessary if they may throw.

From-SVN: r100714

2005-06-07  Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCXX_ENABLE_C99): Use C++ compiler for complex
	tests.
	* configure: Regenerated.

From-SVN: r100713

2005-06-07  Adrian Straetling  <straetling@de.ibm.com>

gcc/ChangeLog:
	* config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
	("type"): Add "sem" to 'type' attribute.
	("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
	"sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
	"sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
	"*sync_compare_and_swap_ccsi"): New patterns.
	* config/s390/2064.md: ("z_sem"): New insn_reservation.
	* config/s390/2084.md: ("x_sem"): New insn_reservation.
	* config/s390/s390.c: (s390_compare_emitted): New global variable.
	(s390_emit_compare): Do not emit comparison again after cas.
	* config/s390/s390.h (s390_compare_emitted): Declare.

libstdc++/ChangeLog:
	* config/cpu/s390/atomicity.h: (__exchange_and_add,
	__atomic_add): Use the builtins for atomic memory operations.

From-SVN: r100711

	* sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
	sbitmap_iter_cond, sbitmap_iter_next): New.
	* bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
	modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
	tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
	uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.

From-SVN: r100709

	* tree-ssa-address.c: New file.
	* Makefile.in (tree-ssa-address.o): Add.
	* expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
	INDIRECT_REFs.  Handle TARGET_MEM_REFs.
	* tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
	* tree-flow.h (struct mem_address): New.
	(struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
	(create_mem_ref, addr_for_mem_ref, get_address_description,
	maybe_fold_tmr, multiplier_allowed_in_address_p,
	multiply_by_cost):  Declare.
	* tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
	* tree-pretty-print.c (dump_generic_node): Ditto.
	* tree-ssa-loop-im.c (for_each_index): Ditto.
	* tree-ssa-loop-ivopts.c (may_be_unaligned_p,
	find_interesting_uses_address): Ditto.
	(rewrite_address_base, build_addr_strip_iref): Removed.
	(struct affine_tree_combination): Moved to tree-flow.h.
	(get_ref_tag, copy_ref_info): New functions.
	(rewrite_use_address): Produce TARGET_MEM_REFs.
	(tree_ssa_iv_optimize): Do not call update_ssa
	and rewrite_into_loop_closed_ssa.
	(tree_to_aff_combination): Use build_fold_addr_expr instead of
	build_addr_strip_iref.
	(unshare_aff_combination): New function.
	(fold_affine_sum): Removed.
	(get_computation_at): Use get_computation_aff.  Unshare the result.
	(get_computation_aff, multiplier_allowed_in_address_p): New function.
	(multiply_by_cost): Exported.
	(get_address_cost): Use multiplier_allowed_in_address_p.
	* tree-ssa-operands.c (get_tmr_operands): New function.
	(get_expr_operands): Handle TARGET_MEM_REFs.
	* tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
	(build): Handle 7 arguments.
	(build7_stat): New function.
	* tree.def (TARGET_MEM_DEF): New.
	* tree.h (REF_ORIGINAL): Removed.
	(TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
	TMR_TAG, build7): New macros.
	(build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
	* tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
	* doc/c-tree.texi: Document TARGET_MEM_REF.
	* doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.

	* gcc.dg/tree-ssa/loop-2.c: Update outcome.
	* gcc.dg/tree-ssa/loop-3.c: Update outcome.
	* gcc.dg/tree-ssa/loop-4.c: Update outcome.
	* gcc.dg/tree-ssa/loop-9.c: New test.

From-SVN: r100708

	* cp-tree.def (DEFAULT_ARG): Adjust documentation.
	* cp-tree.h (DEFARG_INSTANTIATIONS): New.
	(struct tree_default_arg): Add instantiations member.
	* parser.c (cp_parser_late_parsing_default_args): Adjust to use a
	VEC.
	* pt.c (tsubst_arg_types): Likewise.

From-SVN: r100707

	PR debug/21946
	* dwarf2out.c (add_loc_descr_op_piece): New function.
	(multiple_reg_loc_descriptor, concat_loc_descriptor,
	loc_descriptor): Use it.
	* var-tracking.c: Include regs.h and expr.h.
	(emit_note_insn_var_location): Skip over pieces where offset
	is smaller than previous offset plus previous piece mode size.
	Optimize adjacent hard registers or memory locations.
	* Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).

From-SVN: r100706

2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>

	* c-typeck.c (c_finish_if_stmt): Use void_type_node as type
	for COND_EXPR.
	* gimplify.c (gimplify_cond_expr): No need to fix up the
	type of COND_EXPRs.

From-SVN: r100705

2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>

	* tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
	comments.

From-SVN: r100704

	* configure.in <cris-*, crisv32-*>: Enable target-libffi again for
	*-*-linux* and *-*-elf.
	* configure: Regenerate.

From-SVN: r100703

cp:
	* parser.c (cp_parser_late_parsing_default_args): Fix overeager
	assert in previous patch.
testsuite:
	* g++.dg/parse/defarg10.C: New.

From-SVN: r100702

host-darwin.c (segv_handler): Widen the possible 'stwux' instructions that are considered to be stack decrements.

	* config/rs6000/host-darwin.c (segv_handler): Widen the possible
	'stwux' instructions that are considered to be stack decrements.

From-SVN: r100701