2005-02-14  Dale Johannesen  <dalej@apple.com>

	Radar 4003603
	PR 18109
	(Same as 3838108/3876378 in 4.0.)
	* config/i386/i386.md (movqi_1):  Don't use 4-byte load when unsafe.

2005-01-25  Dale Johannesen  <dalej@apple.com>

	Radar 3970057
	* config/rs6000/rs6000.c (rs6000_return_in_memory):
	Implement Darwin 64-bit convention correctly.
	(rs6000_darwin64_record_arg_flush_pending):
	Compute correct reg for int field following doubles.

2005-01-21  Stuart Hastings  <stuart@apple.com>

	Radar 3959753
        * gcc/gcc.c (process_command): Malloc overflowing static char array.

2005-01-20  Dale Johannesen  <dalej@apple.com>
	
	Radar 3966230
	* config/rs6000/darwin.md (movsf_low_di):  Make work.

2005-01-19  Dale Johannesen  <dalej@apple.com>

	Radar 3961638
	* config/rs6000/darwin.md (movdf_low_di):  Make work.

2005-01-13  Dale Johannesen  <dalej@apple.com>

	Radars 3942172 3897795 3944716 3941494
	* config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
	intoffset, use_stack, named.
	* config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
	rs6000_darwin64_record_arg_advance_flush_pending_int_fields:  New.
	rs6000_darwin64_record_arg_advance_recurs: New.
	rs6000_darwin64_record_arg_flush_pending_int_fields:  New.
	rs6000_darwin64_record_arg_recurs:  New.
	rs6000_darwin64_record_arg:  New.
	rs6000_return_in_memory:  Remove AGGREGATE_TYPE_P check.
	function_arg_boundary:  Handle 128-bit aligned structs.
	function_arg_advance:  Rewrite darwin-64 struct handling.
	function_arg:  Call rs6000_darwin64_record_arg.
	function_arg_partial_nregs:  Handle darwin-64 structs.
	rs6000_darwin64_function_value:  Remove.
	rs6000_function_value:  Call rs6000_darwin64_record_arg.

2005-01-13  Stuart Hastings  <stuart@apple.com>

        Radar 3236762
        * gcc/config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Revert Mach-O arch back to i386,
	regardless of -force_cpusubtype_ALL.

2005-01-10  Stuart Hastings  <stuart@apple.com>

        Radar 3236762
        * gcc/config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Revert Mach-O arch back to i386.

2005-01-09  Dale Johannesen  <dalej@apple.com>

	Radar 3941146
	Following patches from mainline:
	2004-10-27  Daniel Berlin <dberlin@dberlin.org>

	Fix PR tree-optimization/17133

	* tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
	def kill operand.

	* tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
	(get_v_must_def_result_ptr): Modify for new structure of
	v_must_defs array.
	(get_v_must_def_kill_ptr): New.
	(op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
	(op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_init): Initialize new mustu members.
	(op_iter_next_mustdef): New function.
	(op_iter_init_mustdef): Ditto.

	* tree-flow.h (rewrite_def_def_chains): New function.

	* tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
	(ssa_mark_def_sites): Ditto.
	(rewrite_stmt): Ditto.
	(ssa_rewrite_stmt): Ditto.
	(rewrite_blocks): Factor out from rewrite_into_ssa.
	(mark_def_block_sites): Ditto.
	(rewrite_def_def_chains): New function, just rewrites def-def
	chains without phi node insertion.

	* tree-pass.h (TODO_fix_def_def_chains): New todo flag.

	* tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.

	* tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
	they include the rhs now.

	* tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
	V_MUST_DEF_RESULT.

	* tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
	Update callers.
	(mark_really_necessary_kill_operand_phis): New function.
	(perform_tree_ssa_dce): Call it.
	(pass_dce): Add TODO_fix_def_def_chains.
	(pass_cd_dce): Ditto.

	* tree-ssa-loop-im.c (determine_max_movement): Look at kills as
	well.
	(rewrite_mem_refs): Ditto.

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
	as well.

	* tree-ssa-operands.c (allocate_v_may_def_optype):
	v_may_def_operand_type_t became v_def_use_operand_type_t.
	(allocate_v_must_def_optype) Ditto.
	(finalize_ssa_v_must_defs): Update for new operand type, as well
	as setting the use portion as well.
	(copy_virtual_operands): Copy the kill operand as well.
	(create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
	V_MUST_DEF_RESULT.

	* tree-ssa-operands.h (v_may_def_operand_type): Renamed to
	v_def_use_operand_type.
	(v_must_def_optype_d): Use v_def_use_operand_type.
	(V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
	(V_MUST_DEF_KILL_*): New macros.
	(struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
	members.
	Rename existing must_i and num_v_must members to mustd_i and
	num_v_mustd.
	(SSA_OP_VMUSTDEFKILL): New flag.
	(SSA_OP_VIRTUAL_KILLS): New flag.
	(SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
	(SSA_OP_ALL_KILLS): New flag.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.

	* tree-ssa.c (verify_ssa): Verify virtual kills as well.

	* tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
	became V_MUST_DEF_RESULT.
	(rename_variables_in_bb): Rename kill pointer as well.

	* tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
	immediate uses.

	2004-10-28  Daniel Berlin  <dberlin@dberlin.org>

	* tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
	(rewrite_blocks): Modify argument, and use it to decide which
	function to call.
	(rewrite_def_def_chains): Call rewrite_blocks with true here.
	(rewrite_into_ssa): and call it with false here.

	2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/18519

	* tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
	* tree-pass.h: Add TODO_cleanup_cfg.
	* tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
	(ccp_finalize): Remove call to cleanup_cfg.
	* tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
	(pass_cd_dce): Ditto.
	(perform_tree_ssa_dce): Remove call to cleanup_cfg,
	dump_function_to_file.
	* tree-ssa-loop-ch.c (copy_loop_headers): Remove call
	to cleanup_cfg.
	(pass_ch): Add TODO_cleanup_cfg.
	* tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
	cleanup_cfg.
	(pass_loop_done): Add TODO_cleanup_cfg.
	* tree-ssa-phiopt.c (pass_phiopt): Ditto.
	(tree_ssa_phiopt): Remove call to cleanup_cfg.

2005-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
            Stuart Hastings  <stuart@apple.com>

        Radar 3830232
        * gcc/testsuite/gcc.apple/notailcall-1.c: New testcase.

2005-01-05  Stan Shebs  <shebs@apple.com>

       * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't skip
       saving r31 if we must do a full stack frame.
       (rs6000_emit_epilogue): Similarly for restoring r31.

2005-01-03  Stuart Hastings <stuart@apple.com>

	Radar 3830232, Bugzilla 17526
	* tree-gimple.c (is_gimple_mem_rhs): Force a temp for every
	register-candidate to prevent bad tailcalls.

2004-12-21  Stuart Hastings <stuart@apple.com>

	Radar 3905251
	* gcc/cse.c (fold_rtx): disable CSE of vector constants.

2004-12-17  Fariborz Jahanian <fjahanian@apple.com>

        Radar 3914905
        * c-typeck.c (digest_init): Handle case of vector literal initializer initializing a
        const variable.
        * convert.c (build_compound_literal_vector): New routine to generate a
        COMPOUND_LITERAL_EXPR expression for a vector constant.
        (convert_to_vector); call build_compound_literal_vector.

2004-12-15  Dale Johannesen  <dalej@apple.com>

	Radar 3922635 3807105 3893215
	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Make MINUS work.

2004-12-14  Stuart Hastings <stuart@apple.com>

	Radar 3910248
	* gcc/config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): ignore
	-mlongcall when -m64 in use.

2004-12-09  Stuart Hastings <stuart@apple.com>

	Radar 3910248
	* gcc/config/rs6000/rs6000.c (output_call): correctly skip non-line-number notes.

2004-12-09  Stuart Hastings <stuart@apple.com>

	Radar 3855246
	* gcc/config/rs6000/rs6000.c (init_cumulative_args): Remove APPLE LOCAL.
	(macho_branch_islands): branch island formatting fixes.
	* gcc/config/rs6000/rs6000.h (target_flags): Remove APPLE LOCAL.
	(TARGET_OPTIONS): Add -mlong-branch as a synonym for -mlongcall.

2004-11-08  Geoffrey Keating  <geoffk@apple.com>

	* gcc.c: Improve local markers.
	(process_command): Set __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
	rather than MAC_OS_X_VERSION_MIN_REQUIRED.

2004-11-08  Devang Patel  <dpatel@apple.com>

	Radar 3846514
	* tree-if-conv.c (clean_predicate_lists): Use loop header and latch
	directly.

2004-11-08  Ziemowit Laski  <zlaski@apple.com>

	Radar 3853429
	* varasm.c (output_addressed_constants): For CONST_DECLs,
	output the initializer if present.
	* config/darwin.c (machopic_select_section): Ensure that
	constant Objective-C strings and constant CFStrings get emitted
	into correct sections.

2004-11-05  Devang Patel  <dpatel@apple.com>

	Radar 3853509.
	* cp/parser.c (cp_parser_objc_method_prototype_list): Handle #pragma.
	(cp_parser_objc_class_interface): Get protocol qualified type.

2004-11-05  Stuart Hastings <stuart@apple.com>
	Radar 3848818
        * gcc/cfgcleanup.c(merge_memattrs): copied from FSF mainline.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	* config/darwin.h (EXTRA_SECTION_FUNCTIONS):
	Fix text_unlikely_section.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	Radar 3759876
	* config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall):  Enable
	indirect sibcalls.
	* config/rs6000/rs6000.md (*sibcall_symbolic):  Make them work.
	(*sibcall_value_symbolic):  Ditto.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	* opts.c (decode_options):  Use mainline-style loop opts.

2004-11-04  Dale Johannesen  <dalej@apple.com>
	
	* config/rs6000/rs6000.md (*save_fpregs_with_label_si):
	Use any_parallel_operand to remove a warning.
	* config/rs6000/darwin.md (*save_fpregs_with_label_di):  Ditto.
	(*save_vregs_di):  Ditto.
	(*restore_vregs_di):  Ditto.
	(*save_vregs_with_label_di):  Ditto.

2004-11-04  Devang Patel  <dpatel@apple.com>

	Partial 3837835 fix.
	* function.h (struct function): New member, uses_vector.
	* tree-cfg.c (ivu_gate, fndecl_uses_vector_p, identify_vector_use,
	pass_identify_vector_use): New.
	* tree-optimzie.c (init_tree_optimization_passes): Add pass_identify_vector_use.
	* tree-pass.h (pass_identify_vector_use): New extern decl.
	
2004-11-04  Devang Patel  <dpatel@apple.com>

	Back out 3837840 fix.
	* c-opts.c (c_common_handle_option): Update APPLE LOCAL marker.
	* flags.h (flag_inline_trees): Remove extern decl.
	* toplev.c (process_optiosn): Do not disable inlining with -faltivec.

2004-11-03  Ziemowit Laski  <zlaski@apple.com>

	Radar 3863563 (fix from mainline)
	* c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
	(c_types_compatible_p): Move function definition...
	* c-objc-common.c (c_types_compatible_p): ...here.
	* c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
	c-lang.c.

2004-11-02  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3857727
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Remove
	setting of targetm.cast_expr_as_vector_init.
	* config/rs6000/rs6000.c (rs6000_override_options): Set
	targetm.cast_expr_as_vector_init.

2004-11-02  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3846637
	* config/rs6000/rs6000.md: Remove condition for
	HONOR_SIGNED_ZEROS from fnmsub generation.

2004-11-01  Ziemowit Laski  <zlaski@apple.com>

	Radar 2810013 (fix from mainline)
	* c-common.h (objc_lookup_ivar): Add second parameter to
	prototype.
	* c-typeck.c (build_external_ref): After looking up symbol,
	pass it to objc_lookup_ivar() to decide whether it or the
	ivar should be used, rather than deciding the issue locally.
	* stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
	which is simply returned in the non-ObjC case.

2004-10-29 Fariborz Jahanian <fjahanian@apple.com>

	Radar 3848842
	* cp/call.c (build_over_call): Don't change type of
	the function pointer built by call to build_vfn_ref_using_vtable.
	* testsuite/g++.dg/kext6.C: New test

2004-10-27  Geoffrey Keating  <geoffk@apple.com>

	* c-common.c (handle_weak_import_attribute): Delete.
	(c_common_attribute_table): Remove 'weak_import'.
	* c-decl.c (start_function): Remove local change for weak_import.
	* dbxout.c (dbxout_source_file): Remove local change for
	hot/cold partitioning, sync with FSF GCC.
	* dmp-tree.c (print_decl): Remove local change for weak_import.
	* idebug.c: Remove local change for weak_import.
	* rtl.h (struct rtx_def): Remove local change for weak_import.
	(SYMBOL_REF_WEAK_IMPORT): Delete.
	* tree.h (DECL_WEAK_IMPORT): Delete.
	(IDENTIFIER_WEAK_IMPORT): Delete.
	(struct tree_decl): Delete weak_import_flag.
	(enum attribute_flags): Delete ATTR_FLAG_FUNCTION_DEF.
	* varasm.c (merge_weak): Remove local change for weak_import.
	* config/darwin.c (machopic_output_indirection): Remove local change
	for weak_import.
	(darwin_set_section_for_var_p): Do nothing if symbol is weak.
	* config/rs6000/rs6000.c (find_weak_imports): Delete.
	(rs6000_assemble_integer): Remove local change for weak_import.
	(local_label_unique_number): Delete.
	(macho_branch_islands): Remove local change for weak_import.

2004-10-26  Geoffrey Keating  <geoffk@apple.com>

	Radar 3840704
	* c-opts.c (c_common_handle_option): Rename flag_altivec to
	flag_disable_opts_for_faltivec.
	* c.opt (faltivec): Likewise.
	* toplev.c (process_options): Likewise, and update comment.
	* config/rs6000/rs6000.c (expand_block_clear): Handle
	flag_disable_opts_for_faltivec.
	(expand_block_move): Likewise.

2004-10-26  Devang Patel  <dpatel@apple.com>

	Radar 3233789
	* dbxout.c (dbxout_init): Remove APPLE LOCAL patch that suppresses
	SO stab address.

2004-10-26  Devang Patel  <dpatel@apple.com>

	Radar 3760592

	Backport from mainline.
	2004-10-21  Dndrew Pinksi  <pinskia@physics.uc.edu>
	* c-opts.c (push_command_line_include): Use the current file
	name instead of the main one.

2004-10-26  Matt Austern  <austern@apple.com>

	* ginclude/tgmath.h (fabs): Fix typo (complex abs is cabs, not cfabs)
	
2004-10-22  Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/darwin.md: Remove vecstore/vecload patterns
	specific to 64-bit Darwin.

2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
	    Ziemowit Laski  <zlaski@apple.com>

	Radar 3845826 (includes PR objc/17923)
	* tree.c (staticp): A CONST_DECL has static storage if either
	TREE_STATIC or DECL_EXTERNAL is set.
	* config/darwin.c (darwin_build_constant_cfstring): Build a global
	CONST_DECL to hold each constructed CFString.
	* c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
	have null names.

2004-10-21 Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (vector_constructor_from_expr): In building vector expressions,
	fold no_expr of nanf into a cst_real expression tree.

2004-10-21 Fariborz Jahanian <fjahanian@apple.com>

	* function.c (assign_parms): Iterate over all non-vector args first,
	then over vector args.

2004-10-21  Ziemowit Laski  <zlaski@apple.com>

	Radar 3540965
	* c-common.c (flag_objc_call_cxx_cdtors): New variable.
	* c-common.h (flag_objc_call_cxx_cdtors): New forward declaration.
	* c-opts.c (c_common_handle_option): Process '-fobjc-call-cxx-cdtors'
	option.
	* c.opt (fobjc-call-cxx-cdtors): New option.
	* doc/invoke.texi (fobjc-call-cxx-cdtors): Document.

2004-10-19  Devang Patel  <dpatel@apple.com>

	Radar 3837840
	* c-opts.c (c_common_handle_option): Update APPLE LOCAL marker.
	* c.opt (faltivec): Same.
	* toplev.c (process_options): Same.
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE):
	Same.


2004-10-19  Devang Patel  <dpatel@apple.com>

	Radar 3837840
	* c-opts.c (c_common_handle_option): Handle OPT_faltivec.
	* c.opt (faltivec): New option.
	* toplev.c (process_options): Disable inlining when -faltivec
	is used.
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE):
	Supply -faltivec to cc1* also.

2004-10-19  Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (cw_asm_stmt): Set correct constraint for
	vector arguments.

2004-10-18  Ziemowit Laski  <zlaski@apple.com>

	Radar 3832999 (fix from mainline)
	* c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.

2004-10-18  Devang Patel  <dpatel@apple.com>

        Radar 3753408
        * Makefile.in (GTFILES): Remove APPLE LOCAL comments.
        * target-def.h (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
        TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P, 
        TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): Remove #defines.
        (TARGET_VECT): Remove vector select and compare members.
        * target.h (struct gcc_target): Remove vector select and
        compare members.
        * tree-dfa.c (dump_immediate_uses_for): Do not print block number.
        * tree-gimple.c (is_gimple_stmt): Handle COND_EXPR properly.
        * tree-ssa-operands.c (add_vdef): Remove.
        (build_ssa_operands): Remove local patch to handle COND_EXPR inside
        MODIFY_EXPR case.
        (get_expr_operands): Same.
        * tree.c (get_array_base): Remove.
        * config/rs6000/rs6000.c (rs6000_vector_compare_p,
        rs6000_vector_compare_for_p, rs6000_vector_compare_stmt,
        rs6000_vector_select_p, rs6000_vector_select_for_p,
        rs6000_vector_select_stmt, get_vector_compare_for,
        get_vector_select_for): Remove.
        (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
        TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_FOR_P,
        TARGET_VECTOR_SELECT_STMT): Remove #defines.

2004-10-16  Dale Johannesen  <dalej@apple.com>

        * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.

2004-10-15  Dale Johannesen  <dalej@apple.com>

	* objcp/objcp-lang.c (tree_code_type):  Fix merge omission.

2004-10-15  Mike Stump  FIXME
	merge

2004-10-15  Stuart Hastings <stuart@apple.com>
        * gcc/simplify-rtx.c(simplify_relational_operation): copied from FSF mainline.

2004-10-15  Stuart Hastings <stuart@apple.com>
        * gcc/c-common.c(print_cw_asm_operand): proper casting.
        * gcc/expr.c(expand_expr_addr_expr): delete problematic assertions.

2004-10-14  Robert Bowdidge <bowdidge@apple.com>
        * config/darwin-driver.c: Remove off-by-one error in QA_OVERIDE...
          machinery.

2004-10-15  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3719208
	* stor-layout.c (update_alignment_for_field): Don't use
	first-field alignment adjustment for union.

2004-10-13  Ziemowit Laski  <zlaski@apple.com>

	Radar 3677258
	* c-decl.c (struct lang_identifier): Move definition to c-tree.h.
	* c-tree.h (struct lang_identifier): Moved here from c-decl.c;
	add 'interface_value' field.
	(C_SIZEOF_STRUCT_LANG_IDENTIFIER): Update to reflect increased size.

2004-10-11  Caroline Tice  <ctice@apple.com>

	* passes.c (rest_of_compilation):  Move hot/cold partitioning to
	occur after scheduling (and SMS), but still before register
	allocation.

2004-10-10  Dale Johannesen  <dalej@apple.com>

	* alias.c (write_dependence_p):  Refs to same FE object interfere.

2004-09-29  Stan Shebs  <shebs@apple.com>

	* config/darwin.h (REAL_LIBGCC_SPEC): Add non-shared libgcc case for
	use during 64-bit bringup.

2004-09-27  Robert Bowdidge  <bowdidge@apple.com>
	* opts.c: Remove QA_OVERRIDE_GCC3_OPTIONS machinery.
        * config/darwin-driver.c: Reimplement QA_OVERRIDE_GCC3_OPTIONS in
        driver-driver.
     

2004-09-27  Dale Johannesen  <dalej@apple.com>

	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Roll in fix from mainline.

2004-09-26  Caroline Tice  <ctice@apple.com>
	    Dale Johannesen  <dalej@apple.com>
	    
	* value-prof.c (insn_prefetch_values_to_profile): 
	Don't instrument clobbers.

2004-09-26  Dale Johannesen  <dalej@apple.com>

	* gcc.c (default_compilers): Handle -fast, -fastcp same as -fast.
	(process_command): Make -fastf, -fastcp imply -combine.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_stmt):  Roll in
	fix from mainline.
	* print-rtl.c (print_rtx):  Print REG_NOTES right (from mainline).

2004-09-24  Dale Johannesen  <dalej@apple.com>

	Radar 3811274
	PR 17625
	* loop-doloop.c (doloop-modify): roll in fix from FSF.

2004-09-23  Stan Shebs  <shebs@apple.com>

	* Makefile.in: Use --print-multi-lib to collect
	compiled-in multilibs.
	* config.gcc: Add in a Darwin 8.x makefile fragment.
	* fixinc.in: Bandaid for a missing __ppc64__ in limits.h
	* config/rs6000/t-darwin8: New file, adds -m64 multilib.

2004-09-23  Devang Patel  <dpatel@apple.com>

	Radar 3765210.
	* gcc.c (main): Handle -E when combine_flag is set.

2004-09-22  Stan Shebs  <shebs@apple.com>

	* config/darwin.h (STARTFILE_SPEC): Don't link in crt2.o if -m64.

2003-09-21  Matt Austern  <austern@apple.com>

	Radar 3807942, backported from FSF mainline
	* config/darwin.c (darwin_make_decl_one_only)
	Allow coalesced symbol to appear in static archive's table of contents
	
2004-09-17  Devang Patel  <dpatel@apple.com>

	* gcc.c: Use .gch extension instead of .pch.

2004-09-13  Dale Johannesen  <dalej@apple.com>

	Radar 3793575
	* c-decl.c (start_decl):  Fix from mainline (PR 17408).

2004-09-13  Andrew Pinski  <apinski@apple.com>

	Part of radar 3753405 and all of 3767339
	* Makefile.in (c-parse.y): Remove ifcwasm as it is no longer used.
	* objc/Makefile.in (objc/objc-parse.y): Likewise.
	* c-parse.in: Remove all of @@ifcwasm.  Remove all of the MERGE FIXME
	comments as they are fixed.
	(cw_asm_expr_no_commas, cw_asm_unary_expr, cw_asm_primary,
	cw_asm_operand): Change type to be exprtype.
	(cw_asm_compstmt_nostart): Remove type.
	(single_cw_asm_stmt): For cw_asm_operand use .value for the third
	argument of cw_asm_entry.
	(cw_asm_compstmt_start): Remove increment of compstmt_count.
	Call c_begin_compound_stmt always and pass true.
	(cw_asm_compstmt_nostart): Just set cw_asm_block to zero.
	(cw_asm_compstmt): Call c_end_compound_stmt.
	(cw_nonnull_asm_operands): use .value for the exprtype.
	(cw_asm_operand): Set .value to cw_asm_build_register_offset
	and .original_code to ERROR_MARK.
	(stmt_nocomp): For cw_asm_compstmt and cw_asm_stmt, call
	c_finish_expr_stmt.
	(cw_asm_expr_no_commas): Remove extraneous curly braces.
	Update return exprtype instead of just a tree.
	(cw_asm_unary_expr): Likewise.
	(cw_asm_primary): Likewise.
	* c-typeck.c (cw_asm_c_build_component_ref): Change build2 to build3 and
	add NULL as the last argument for COMPONENT_REF.
	
2004-09-10  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/power4.md: Increase store latency (mainline).

2004-09-08  Stan Shebs  <shebs@apple.com>

	* config/rs6000/darwin-worldsave.asm: Remove, no longer used.

2004-09-07  Caroline Tice  <ctice@apple.com>

        * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
        EDGE_CROSSING, to flags test case.
        
2004-08-31  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (get_arch_name): Replace abort() with
	fatal("message").
	(get_driver_name): Same.

2004-08-30  Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (vector_constructor_from_expr): Adapt to new representation
	of comma-expression in c.

2004-08-29  Andrew Pinski  <apinski@apple.com>

	* loop-doloop.c (add_test): Take the mainline change.
	* loop-invariant.c (find_exits, find_invariants_bb): Take the
	mainline change, use CALL_P.
	* tree-alias-common.c (HAVE_BANSHEE): Take the mainline change.
	* tree-into-ssa.c (compute_global_livein): Take the mainline
	reformatting.
	* tree-pretty-print.c: Remove include for tree-chrec.h as it is
	there later on.
	* tree-ssa-loop-ivopts.c (zero_p): Make static.
	* tree-ssa-loop-niter.c (zero_p): Add back, take the mainline change.
	(number_of_iterations_exit): Take the mainline change for getting
	a boolean false.
	(MAX_ITERATIONS_TO_TRACK): Take the mainline change as it is now
	configurable.
	(struct nb_iter_bound): Take the mainline comment changes.
	* tree-ssa-loop-prefetch.c (zero_p): Add to minimize changes
	from the mainline.
	* tree-ssa-loop.c (gate_loop): Take the mainline changes as we
	want the gate so we can turn them on and off easier.
	* tree.h (struct tree_phi_node, rewritten): Take the mainline change
	as there are no other integer fields in this struct.
	(build_vector_type): Remove duplicated prototype.
	(zero_p): Remove prototype.

	* timevar.c (ppc_intrinsic_time): Correct definition and
	make static.  Cast __mftbu to unsigned.

2004-08-28  Andrew Pinski  <apinski@apple.com>

	* config.in: Regenerate.

2004-08-23  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <apinski@apple.com>

	* gimplify.c (gimplify_array_ref_to_plus): Delete.
	(gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
	for ARRAY_REF.

	* config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
	ARRAY_REF also to get to the STRING_CST.

2004-08-24  Stan Shebs  <shebs@apple.com>

	* Makefile.in (libgcc.mk): Add ppc64 and ppc64_static libraries.
	(libgcc.a): Move libraries so they will be found in testing.
	* config/darwin.h (REAL_LIBGCC_SPEC): Add -m64 cases.
	* config/darwin7.h (LIB_SPEC): Add -m64 -static case.

	* calls.c (emit_call_1): Use Pmode instead of SImode in Apple local
	indirect call code.
	(expand_call): Likewise.

2004-08-23  Stan Shebs  <shebs@apple.com>

	* config/rs6000/rs6000.c (rs6000_emit_prologue): Add 64-bit
	cases to optimizations for FP save and picbase setup.
	(rs6000_emit_epilogue): Adjust the LR save offset to be correct
	for 64-bit frames.

2004-08-22  Stan Shebs  <shebs@apple.com>

	* config/darwin-driver.c (arch_config): Add ppc64.
	(add_arch_options): Similarly.

2004-08-22  Andrew Pinski  <apinski@apple.com>

	PR c/15262
	* c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
	expression is not constant.
	(c_finish_return): Do not go through INDIRECT_REF when looking
	for the inner expression of an ADDR_EXPR for warning about.

	PR tree-opt/17138
	* tree-ssa-loop-ivopts.c (peel_address): Handle REALPART_EXPR
	and IMAGPART_EXPR.

2004-08-20  Stan Shebs  <shebs@apple.com>

	* config/rs6000/darwin.h (DARWIN_ARCH_LD_SPEC): Pass -arch ppc64
	to linker if -m64.
	(DARWIN_ARCH_ASM_SPEC): Similarly.

2004-08-20  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_rtx_costs):  Fix from mainline.

2004-08-19  Dale Johannesen  <dalej@apple.com>

	* c-decl.c (implicitly_declare): Reduce error to warning when
	disable_typechecking_for_spec_flag is on.

2004-08-18  Ziemowit Laski  <zlaski@apple.com>

	Radar 3753413
	* config/darwin.c (darwin_build_constant_cfstring): Strip NOP_EXPRs
	and dereference string literal argument; mark the ADDR_EXPR of
	each constant CFString TREE_CONSTANT to squash initializer warnings.

2004-08-18  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (verbose_flag): New.
	(do_lipo): Interpret -v.
	(main): Set verbose_flag.

2004-08-18  Dale Johannesen  <dalej@apple.com>

	* tree-cfg.c (tree_block_ends_with_call_p):  Fix comments.
	(tree_block_ends_with_condjump_p):  Ditto.

2004-08-18  Matthew Sachs  <msachs@apple.com>

	* Merge from mainline.

2004-08-17  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (main): Do not handle -x separately.

2004-08-16  Robert Bowdidge  <bowdidge@apple.com>

	* Add -mdynamic-no-pic to Darwin-specific options

2004-08-16  Caroline Tice  <ctice@apple.com>

	Add hot/cold partitioning update that was accepted in FSF Mainline.
        * varasm.c (text_section): Remove alignment statement.
	(assemble_start_function): Remove APPLE LOCAL markers from code
	added to FSF mainline;  Add code to properly align cold section at
	start of function.
	
2004-08-16  Devang Patel  <dpatel@apple.com>
	
	Merge from mainlne.
	2004-08-16  Devang Patel  <dpatel@apple.com>                                                         
                                                                                                     
        * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
        * print-tree.c (print_node): Print DECL_PRESERVE_P.
        * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define. 
        (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
        * target.h (struct gcc_target): New member, mark_decl_preserved.
        * hooks.c (hook_void_charptr): Rename to ...
        (hook_void_constcharptr): ... new name.
        * hooks.h (hook_void_charptr): Rename to ..
        (hook_void_constcharptr): ... new name.
        * tree.h (DECL_PRESERVE_P): New #define.
        (struct tree_decl): New member, preserve_flag.
        * varasm.c (assemble_start_function): Mark decl preserved.
        (assemble_variable): Same.
        * darwin.c (darwin_mark_decl_preserved): New function.
        * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
        * darwin-protos.h (darwin_mark_decl_preserved): New decl.
        * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-13  Matt Austern  <austern@apple.com>

	Radar 2872232
	* ginclude/tgmath.h: New file.
	* Makefile.in: Add tgmath.h to list of installed headers.
	
2004-08-13  Devang Patel  <dpatel@apple.com>

	Radar 3729261. Reviewed by Dale.
	* dbxout.c (get_lang_number): New.
	(dbxout_init): Include lang number in N_SO  stab.
	* dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
	N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

2004-08-13  Devang Patel  <dpatel@apple.com>

	Merge from mainline. Radar 3739309.
	2004-08-11  Devang Patel  <dpatel@apple.com>	

	* dbxout.c (dbxout_begin_prologue): New function.
	(dbx_debug_hooks): Use new begin prologue hook.
	(dbxout_function_end): Emit N_ENSYM.
	* stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-13  Devang Patel  <dpatel@apple.com>

	Merge from mainline. Radar 3739302.
	2004-08-10  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
	and -no_dead_strip_inits_and_terms.
	(LINK_SPEC): Same.
	* doc/invoke.text (Darwin Options): Document -dead_strip and
	-no_dead_strip_inits_and_terms.

2004-08-12  Stan Shebs  <shebs@apple.com>

	Basic support for 64-bit Darwin.
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	(machopic_legitimize_pic_address): Similarly, plus use Pmode
	instead of SImode.
	* config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
	(TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
	(SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
	(SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
	(PROCESSOR_DEFAULT64): Define.
	* config/rs6000/darwin.md: New file, patterns specific to 64-bit
	Darwin.
	* config/rs6000/rs6000.md: Include darwin.md.
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
	Darwin.
	(TARGET_ASM_ALIGNED_DI_OP): Ditto.
	(rs6000_emit_move): Add DImode case to Darwin bits.
	(machopic_output_stub): Use .quad if 64-bit.
	* invoke.texi: Document -m32 and -m64.

2004-08-12  Dale Johannesen  <dalej@apple.com>

	* c-decl.c (diagnose_mismatched_decls): Improve
	-fdisable-typechecking-for-spec.

2004-08-12  Dale Johannesen <dalej@apple.com>

	* gcc.c (default_compilers): Handle -fast same as -combine.
	(process_command): Make -fast imply -combine.
	* tree-scalar-evolution.c (number_of_iterations_in_loop):
	Don't compute iteration count for multiple-exit loops.
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Replace from mainline.

2004-08-10  Devang Patel  <dpatel@apple.com>

        Remove Symbol Separation.
	Radar 3555440. Reviewed by Mike Stump.
        * c-common.c (cb_restore_write_symbols, cb_clear_write_symbols,
        cb_start_symbol_repository, cb_end_symbol_repository, 
        cb_is_builtin_identifier). Remove.
        (debug.h): Do not include.
        * c-common.h  (dbg_dir): Remove.
        (dbg_ss_init, c_common_write_context, cb_clear_write_sybols,
        cb_restor_write_symbols, cb_start_symbol_repository, c_valid_cinfo,
        cb_end_symbol_repository, cb_is_builtin_identifier): Remove extern
        decls.
        * c-lex.c (init_c_lex): Do not set up symbol separation call backs.
        (c_common_write_context): Remove.
        * c-objc-common.c (c_objc_common_finish_file): Do not write context.
        * c-opts.c (dbg_dir): Remove.
        (c_common_handle_option): Remove symbol separation option handling.
        (c_common_parse_file): Do not initialize symbol repository.
        * c.opt (Winvalid-sr, fsave-repository=): Remove.
	* dbxout.c (dbxout_restore_write_symbols, dbxout_clear_write_symbols,
        dbxout_start_symbol_repository, dbxout_end_symbol_repository) Remove.
        (dbx_debug_h): Remove symbol separation hoooks.
        (xcoff_debug): Same.
        * debug.c (do_nothing_): Remove symbol separation hooks.
        * debug.h (gcc_debug_hooks): Same.
        * dwarf2out.c (dwarf2_debug): Same.
        * flags.h (orig_write_symbols, flag_grepository): Same.
        * gcc.c (pch): Remove fsave-repository support.
        (cc1_options): Same.
        (asm_options): Same.
        (default_compilers): Same.
        (option_map): Same.
        (dbg_ss): Remove.
        (static_specs): Remove dbg_ss.
        * opts.c (orig_write_symbols, flag_grepository): Remove.
        (set_debug_level): Remove symbol separation support.
	* doc/invoke.texi: Remove symbol separation documentation.

2004-08-09  Geoffrey Keating  <geoffk@apple.com>

	* ginclude/stdarg.h: Remove APPLE LOCAL change.
	* ginclude/varargs.h: Likewise.

2004-08-08  Dale Johannesen  <dalej@apple.com>

	* c-common.c (c_common_get_alias_set): Fixes from mainline.
	* toplev.c: Ditto.
	* tree.h: Ditto.
	* coverage.c (tree_coverage_counter_ref): Ditto.
	* tree-cfg.c (tree_block_ends_will_call_p): Ditto.
	(tree_block_ends_with_condjump_p): Ditto.

2004-08-08  Andrew Pinski  <apinski@apple.com>

	* c-objc-common.c (c_objc_common_init): Remove APPLE LOCAL for setting -gused
	by default as it is handled in CC1_SPECs now.
	* opts.c (set_debug_level): Remove the handling of -gused and -gfull as they
	are already handled in CC1_SPECs.
	* config/rs6000/darwin.h (CC1_SPEC): Change the APPLE LOCAL tag to be what is
	really local now.	

2004-08-06  Dale Johannesen  <dalej@apple.com>

	* c-typeck.c (tagged_types_tu_compatible_p): Fix from mainline.

2004-08-06  Andrew Pinski  <apinski@apple.com>

	* config/darwin.h: Fix misplaced #endif which came in via the merge.

2004-08-04  Fariborz Jahanian <fjahanian@apple.com>

	c-common.c (vector_constructor_from_expr): Treat all constant
	vector expression tree as a constant tree.

2004-08-03  Stan Shebs  <shebs@apple.com>

	Support for CodeWarrior-style assembly language blocks and
	functions. Radar 3368707.

	* c.opt (-fasm-blocks): New option.
	* c-common.h (enum cw_asm_states): New enum, state values.
	* c-tree.h: Declare some functions.
	* c-common.c (flag_cw_asm_blocks): New flag.
	(cw_asm_states, cw_asm_in_decl, cw_asm_block, cw_asm_at_bol,
	cw_asm_in_operands, cw_asm_labelno, cw_asm_buffer,
	cw_asm_operands, cw_asm_labels, cw_asm_labels_uniq): New globals.
	(cw_asm_default_function_conversion, cw_asm_stmt,
	cw_asm_field_offset, cw_asm_field_offset, print_cw_asm_operand,
	cw_asm_get_register_var, cw_asm_reg_name, cw_asm_label,
	get_atsign_identifier, clear_cw_asm_labels, get_cw_asm_label,
	cw_asm_build_register_offset, cw_asm_entry): New functions.
	c-decl.c: (grokdeclarator): Recognize asm keyword, set flag
	on function decl if seen.
	(start_function): Change asm state to expect local decls.
	(lookup_struct_or_union_tag): New function.
	c-lex.c (cw_asm_saved_token, c_lex_depth): New globals.
	(c_lex_with_flags): Add state machine to return BOL and EOL
	tokens at appropriate moments, return CPP_ATSIGN as its own
	token if in asm block.
	c-opts.c (c_common_handle_option): Recognize -fasm-blocks.
	c-parse.in: Add rules for parsing CW asm blocks.
	(CW_ASM_KEYWORD, CW_ASM_BOL, CW_ASM_EOL): New tokens.
	(cw_asm_expr_no_commas, cw_asm_unary_expr, cw_asm_primary,
	cw_asm_operands, cw_nonnull_asm_operands, cw_asm_operand, cw_asm_stmt,
	single_cw_asm_stmt, cw_asm_compstmt, cw_asm_compstmt_start,
	cw_asm_compstmt_nostart): New nonterminals.
	(lineno_decl): Flag no longer in decls part.
	(scspec): Add CW_ASM_KEYWORD.
	(stmt): Add cw_asm_compstmt and cw_asm_stmt alternatives.
	(yylexname): Detect asm functions and return CW_ASM_KEYWORD.
	(_yylex): Return '@' as token if CW asm, return BOL/EOL.
	c-typeck.c (build_external_ref): Handle asm register names
	and labels specially.
	(cw_asm_typename_or_reserved, cw_asm_c_build_component_ref):
	New functions.

	* function.h (struct function): New fields cw_asm_function,
	cw_asm_noreturn, cw_asm_frame_size.
	* tree.h (DECL_CW_ASM_FUNCTION, DECL_CW_ASM_NORETURN,
	DECL_CW_ASM_FRAME_SIZE): New macros.
	(struct tree_decl): New fields cw_asm_function_flag,
	cw_asm_noreturn_flag, cw_asm_frame_size.
	* config/darwin.h (CW_ASM_SPECIAL_LABEL): Define.
	* config/darwin-protos.h (darwin_cw_asm_special_label): Declare.
	* config/darwin.c (darwin_cw_asm_special_label): New function.
	* rs6000/rs6000-protos.h (rs6000_cw_asm_register_name): Declare.
	* rs6000/rs6000.c (rs6000_cw_asm_register_name): New function.
	* rs6000/rs6000.h (CW_ASM_REGISTER_NAME): Define.
	* scan-decls.c (flag_cw_asm_blocks, etc): Dummy definitions.

	* doc/extend.texi, doc/invoke.texi: Document.

2004-08-01  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
	if trying to *store* to a non-offsettable address.
	* config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
	a nonoffsettable address.
	(movdi_internal32): Don't move GPRs to a nonoffsettable address.
	Clean up.
	(movti_string): Don't move GPRs to a nonoffsettable address.
	(movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.

2004-08-01  Devang Patel  <dpatel@apple.com>

         Re-implement -fwritable-strings support. 
         Radar : 3699482 

        * c-common.c (fix_string_type): Check flag_writable_strings.
        (fix_string_type): Likewise.
        * c-opts.c (set_std_c89): Initialize flag_writable_strings.
        (set_std_c99): Likewise.
        * common.opt (fwritable-strings): Add.
        * flags.h: Add the external declaration of
        flag_writable_strings.
        * opts.c (common_handle_option) <OPT_fwritable_strings>:
        Add.
        * toplev.c (flag_writable_strings): Add.
        (f_options): Add an entry for writable-strings.
        * varasm.c (const_hash_1) <STRING_CST>: Check
        flag_writable_strings.
        (compare_constant) <STRING_CST>: Likewise.
        (build_constant_desc): Likewise.
        * config/darwin.c (machopic_select_section): Likewise.
        * doc/invoke.texi (-fwritable-strings): Add.
        (-fno-const-strings): Document -fwritable-strings.
        * doc/trouble.texi: Document -fwritable-strings.

2004-08-01  Geoffrey Keating  <geoffk@apple.com>

	* c-common.c (warn_long_double): Remove.
	(warn_about_long_double): Remove.
	* c-common.h (warn_long_double): Remove.
	(warn_about_long_double): Remove.
	* c-decl.c (grokdeclarator): Don't call warn_long_double.
	* c-opts.c (c_common_handle_option): Remove case for OPT_Wlong_double.
	* doc/invoke.texi: Don't document -Wlong-double.

2004-07-30  Geoffrey Keating  <geoffk@apple.com>
	    Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
	non-offsettable addresses even for DImode.
	(rs6000_split_multireg_move): Cope with non-offsettable addresses
	being moved into multiple GPRs.

	* config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
	to 64.
	(rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
	* config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
	to 128.
	* config/rs6000/darwin-ldouble.c (isless): New macro.
	(inf): New macro.
	(nonfinite): New macro.
	(FPKINF): Delete.
	(_xlqadd): Completely rewrite.
	(_xlqmul): Correct overflow handling.
	(_xlqdiv): Correct overflow handling.
	* config/rs6000/darwin-ldouble-format: New file.

2004-07-30  Matt Austern  <austern@apple.com>

        * config/darwin-c.c (darwin_pragma_call_on_load): Deprecate.
	(darwin_pragma_call_on_unload): Likewise.

2004-07-15  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c: Add brief description at the beginning.
        (is_appropriate_for_if_conv): Rename to ..
        (if_convertable_loop_p): ... new name.
        (bb_with_exit_edge): Rename to ..
        (bb_with_exit_edge_p): ... new name.
        (make_cond_modify_expr): Update comment before function body.
        (replace_phi_with_cond_modify_expr): Same.
        (tree_if_convert_stmt): Same. Use new fn name, bb_with_exit_edge_p.
        (if_convertable_loop_p): New function name. Remove some dead code. 
        (collapse_blocks): Update comment before function body. Format code.
        Use bb_with_exit_edge_p.
        (tree_if_conversion): Move this function body at the end of file.
        (handle_siblint_pattern): Update comment before function body.
        (fold_sibling_stmts): Same. Update dump info.

2004-07-14  Devang Patel  <dpatel@apple.com>

        * target.h (gcc_target): Additional parameter for
        support_vector_compare_for_p.
        * tree-if-conv.c (handle_sibling_pattern): New.
        (fold_sibling_stmts): New.
        (make_cond_modify_expr): Dump debugging info.
        (tree_if_convert_stmt): Same.
        (is_appropriate_for_if_conv): Remove filters that eliminated
        loops becase of memory tags and difficult dominance relation.
        (collapse_blocks): Handle memory tags.
        (tree_if_conversion): Optimize sibling statements.
        * tree-vectorizer.c (vect_init_vector): Additional parameter.
        (vect_get_vec_def_for_operand): Supply vectype to vect_init_vector().
        (vect_init_vecotr): Use input parameter vectype.
        (vect_transform_compare): Fix type in dump info.
        (vect_transform_select): Handle ARRAY_REF as scalar dest. Handle
        NOP_EXPR as an operand.
        (vect_is_supportable_compare): Use operand's type to decide
        second vector type for support_vector_compare_for_p().
        (vect_is_supportable_select): Fix typo. Allow SSA_NAME as 2nd
        operand.
        (exist_non_indexing_operands_for_use_p): Handle conditional modify
        expr.   
        config/rs6000/rs6000.c (rs6000_vector_compare_for_p): New parameter.
        (get_vector_compare_for): New parameter. Use it to find appropriate 
        builtin.

2004-06-26  Fariborz Jahanian <fjahanian@apple.com>

	* gcc.c: Don't use -fpredictive-compilation when 
	-fpreprocessed appears on command line.

2004-07-01  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (mark_vdefs_vuses_for_rename): New function.
	(make_ifcvt_temp_variable): Mark vdefs and vuses for renaming.

2004-07-01  Devang Patel  <dpatel@apple.com>

	Radar 3236762
	* config/darwin-driver.c (do_lipo): Do not supply -arch <arch_name>
	to lipo.

2004-06-29  Andrew Pinski  <apinski@apple.com>

	* c-decl.c (perform_loop_transpose): Save chain of right_before_inner_loop
	and set to NULL.  Restore the chain before rejecting the loop.

2004-06-29  Dorit Naishlos <dorit@il.ibm.com>

	* tree-vectorizer.c (vect_create_data_ref) INDIRECT_REF check moved to 
	analysis. Redundant checks removed. 
	(vect_analyze_data_refs): Make sure we have a mem_tag.
	(vect_transform_loop): Make sure that we have a preheader bb.
	(vect_init_vector): Insert on preheader edge instead of using bsi.
	(vect_finish_stmt_generation_in_preheader): Now that a preheader bb is
	created before vectorizing stmts, we do not expect a new bb to be 
	created (thereofore, abort instead of add_bb_to_loop). 
	* config/rs6000/rs6000.c (rs6000_build_vmul_uch): Likewise.
	(rs6000_build_vector_init): Likewise. Also replace mark_call_clobbered
	with direct setting of DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL.

2004-06-28  Devang Patel  <dpatel@apple.com>

	* Makefile.in (tree-ssa-loop-manip.o): Depend on tree-scalar-evolution.h
	* tree-if-conv.c (collapse_blocks): Use release_phi_node instead of
	remove_phie_node.
	* tree-ssaname.c (make_ssa_name): Re-enable free_ssanames.
	(release_ssa_name): Same.
	* tree-scalar-evolution.c (scev_reset): Check current_loops and
	scalar_evolution_info.
	* tree-ssa-loop-manip.c (tree-scalar-evolution.h): Include.
	(tree_duplicate_loop_to_header_edge): Call scev_reset().
	
2004-06-28  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (make_ifcvt_temp_variable): Fix formatting.

2004-06-28  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (make_ifcvt_temp_variable): Add new parameter for 
	original stmt. Update new statement's vuse approritatly based on 
	original stmt.
	(make_cond_modify_expr): Supply current statement as additional
	parameter to make_ifcvt_temp_variable call.
	(tree_if_convert_stmt): Same.
	(replace_phi_with_cond_modify_expr): Update vuse and vdefs.
	(is_appropriate_for_if_conv): Lift, first phi node needs to be constant
	node, restriction.
	* tree-ssa-operands.c (add_vdef): New function.
	* tree-ssa-operands.h (add_vdef): Same.

2004-06-25  Mike Stump  <mrs@apple.com>

	* objcp/Make-lang.in (objcp/objcp-parse.y): Update to use
	move-if-change from top directory.

2004-06-25  Stuart Hastings <stuart@apple.com>

	Radar 3680191
	* gcc/tree-nested.c: Cast STACK_BOUNDARY for portability.
	* gcc/config/i386/i386.c (output_pic_addr_const): Stubify optimized symbols.
	* gcc/target-def.h: (TARGET_BECT_BUILD_VECTOR_INIT) Initialize correctly.

2004-06-25  Dale Johannesen  <dalej@apple.com>

	* objc/Make-lang.in: use $(srcdir)/../move-if-change.

2004-06-25  Dale Johannesen  <dalej@apple.com>

	* Makefile.in: replace $(SHELL) ${srcdir}/mkinstalldirs
	with $(mkinstalldirs) throughout.

2004-06-25  Stuart Hastings <stuart@apple.com

	Radar 3690727
	* gcc/config/rs6000/rs6000.md:  Add missing APPLE LOCAL markers.
	* gcc/config/t-darwin.h: Ditto.
	* gcc/ChangeLog.apple-ppc: Minor formatting cleanup.

2004-06-24  Dale Johannesen  <dalej@apple.com>

	Radar #: 3696823, 3673318, 3672998
	Roll in changes from mainline:
	* config/rs6000/rs6000.c (legitimate_offset_address_p): Make
	global, rename rs6000_legitimate_offset_address_p.
	(rs6000_legitimate_address_p): Adjust calls to it.
	(lmw_operation): Ditto.
	(stmw_operation): Ditto.
	* config/rs6000/rs6000-protos.h: Declare it.
	* config/rs6000/rs6000.md (*movdf_hardfloat32): Use it
	instead of offsettable_memref_p.
	* config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
	[reg+reg] mode for TFmode memory accesses.
	(rs6000_eliminate_indexed_memrefs): New.
	(rs6000_emit_move): Call preceding for TImode and TFmode.

2004-06-24  Andrew Pinski  <apinski@apple.com>

	Radar #: 3699721
	* config/darwin.c (machopic_indirect_data_reference): Copy
	the SYMBOL_REF_DECL from the original RTX for the new
	non-lazy pointer RTX.

2004-06-24  Ayal Zaks <zaks@il.ibm.com>

	* target-def.h (TARGET_VECT_BUILD_BUILTIN_LVSR): New macro.
	* target.h (build_builtin_lvsr): New function.
	* tree-vectorizer.c (vect_create_index_for_array_ref): Add option
	to only calculate init_val without creating the iv.
	(vect_create_data_ref): Deal with unknown alignment; allow creating
	data refs for initial access only.
	(vect_transform_store): Call vect_create_data_ref accordingly.
	(vect_finish_stmt_generation_in_preheader): New function.
	(vect_finish_stmt_generation): Need to optionally bump bsi again.
	(vect_transform_load): Replace call to lvsl by a call to lvsr(16-a)
	in preheader. Move load of msq out to preheader. Removed TREE_INVARIANT.
	(vect_analyze_data_refs_alignment): Allow unknown aligned loads.
	* rs6000.c (rs6000_build_builtin_lvsr): New function.
	(rs6000_support_misaligned_vloads, rs6000_permute_misaligned_vloads):
	Check if TARGET_ALTIVEC.
	(get_vector_init_fns_for_type): Initialize lve_fn, splt_fn vars.

2004-06-22  Andrew Pinski  <apinski@apple.com>

	Radar #: 3661615, 3623788
	* c-decl.c (perform_loop_transpose): Do not
	change TREE_CHAIN (right_before_inner_loop)
	until after we know we are going to do the
	transformation.

	* c-decl.c (perform_loop_transpose): Fix formatting and cleanup.

2004-06-22  Andrew Pinski  <apinski@apple.com>

	Radar #: 3701874
	* c-decl.c (push_file_scope): Return early if we already
	have a file scope.

2004-06-22  Devang Patel  <dpatel@apple.com>

        PR 16105
        * tree-vectorizer.c (vect_analyze_operations): Type of MODIFY_EXPR is
        not reliable. Use LHS's type.

2004-06-21  Dorit Naishlos  <DORIT@il.ibm.com>

        * tree.def (MULT_UCH_EXPR): New tree code.
        * tree-vectorizer.h (stmt_vec_info): New fields part_of_pattern,
        related_stmt, v.vect_target_hook_for_pattern, and v.vectorized_stmt.
        (STMT_VINFO_IN_PATTERN_P): New macro.
        (STMT_VINFO_VEC_HOOK): New macro.
        (STMT_VINFO_RELATED_STMT): New macro.
        * tree-vectorizer.c (vect_pattern_recog): New function.
        (vect_recog_mul_uch_to_uch): New function.
        (vect_recog_mul_uch_to_uch1): New function.
        (new_stmt_vec_info): Initialize new fields in stmt_vec_info.
        (vect_transform_op): Call target hook recorded in STMT_VINFO_VEC_HOOK.
        (vect_is_supportable_op): Use new field STMT_VINFO_VEC_HOOK to record
        target support for the "mul_uch" pattern.
        (vect_mark_relevant): Don't mark stmts involved in a pattern as
        relevant.
        (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_create_data_ref): Fix alias-sets bug.
        (vect_get_vec_def_for_operand): Call new hook support_vector_init_p.
        * target.h (support_vmul_uch_p): New entry for target hook.
        (build_vmul_uch): New entry for target hook.
        (support_vector_init_p): New entry for target hook.
        (build_vector_init): New entry for target hook.
        * target-def.h (TARGET_VECT_SUPPORT_VMUL_UCH_P): New target hook.
        (TARGET_VECT_BUILD_VMUL_UCH): New target hook.
        (TARGET_VECT_SUPPORT_VECTOR_INIT_P): New target hook.
        (TARGET_VECT_BUILD_VECTOR_INIT): New target hook.
        * config/rs6000/rs6000.c (rs6000_support_vmul_uch_p): New function.
        (rs6000_build_vmul_uch) New function.
        (rs6000_support_vector_init_p) New function.
        (get_vector_init_fns_for_type) New function.
        (rs6000_build_vector_init) New function.


2004-06-17  Jon Ziegler  <jonz@apple.com>
	Radar 3691917
	* Revert version string in gcc/version.c to as of apple-gcc-1762.

2004-06-16  Jon Ziegler  <jonz@apple.com>
	Radar 3619941
	* Revert to apple-gcc-1762 plus Dorit/Devang's 2004-06-15 patch.
	Radar 3691917
	* Update version string in gcc/version.c

2004-06-16  Dale Johannesen  <dalej@apple.com>
	Radar 3661015/PR 15993
	* tree-ssa-dom.c (thread_across_edge): fix from FSF.

2004-06-15  Dorit Naishlos  <DORIT@il.ibm.com>
        
        Radar 3619941
 	* tree-data-ref.c (init_data_ref): New function.
        * tree-data-ref.h (init_data_ref): New function.
        * tree-vectorizer.c (vect_get_array_first_index): Return index instead	
        of success status, and support pointers.
        (vect_create_index_for_array_ref): Remove ARRAY_REF restriction, and
        change call to vect_get_array_first_index.
        (vect_create_data_ref): Handle INDIRECT_REFs.
        (vect_is_supportable_store): Handle INDIRECT_REFs.
        (vect_is_supportable_load): Handle INDIRECT_REFs.
        (vect_analyze_data_ref_dependence): Handle INDIRECT_REFs.
        (vect_analyze_data_ref_dependences): Remove usage of variable 'ok'.
        (get_array_base): Removed (not used anymore).
        (vect_force_dr_alignment_p): Use DR_BASE_NAME instead of
        get_array_base.
        (vect_align_data_ref): Likewise.
        (vect_transform_store): Remove ARRAY_REF restriction.
        (vect_transform_load): Remove ARRAY_REF restriction.
        (vect_compute_data_ref_alignment): Support pointers.
        (vect_analyze_data_refs): Support pointers.
        (vect_debug_stats): New Function.
        (vect_debug_details): New Function.
        (vect_transform_loop): Use vect_debug_stats and vec_debug_details.
        (vect_analyze_loop): Use vect_debug_details.
        (vect_analyze_scalar_cycles): Use vect_debug_stats.
        (vect_analyze_data_ref_dependence): Likewse.
        (vect_analyze_data_refs_alignment): Likewise.
        (vect_analyze_data_ref_accesses): Likewise.
        (vect_analyze_data_refs): Likewise.
        (vect_analyze_loop_form): Likewise.
        (vect_gen_if_guard): Formatting fixes (avoid 80 column overflow).
        (vect_update_initial_conditions_of_duplicatd_loop): Likewise.
        (vect_transform_loop): Likewise.
        (vect_analyze_loop_form): Likewise.

2004-06-14  Caroline Tice <ctice@apple.com>

      Radar 3690727 (partial)
      * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove.
      * passes.c (rest_of_compilation):  Add missing APPLE LOCAL.
      * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove definition.
      (SECTION_FORMAT_STRING): Likewise.
      * config/rs6000/sysv4.h (NORMAL_TEXT_SECTION_NAME): Likewise.
      (SECTION_FORMAT_STRING): Likewise.
      * doc/tm.texi (NORMAL_TEXT_SECTION_STRING): Remove documentation.
      (SECTION_FORMAT_STRING): Likewise.

2004-06-14  Dale Johannesen  <dalej@apple.com>

	Radar 3661661
	* tree-ssa.c (tree_ssa_useless_type_conversion_1): fix from FSF.

2004-06-14  Dale Johannesen  <dalej@apple.com>

	Radar 3690727 (partial)
	* gimplify.c (copy_if_shared_r): Add missing APPLE LOCAL.
	* config/rs6000/t-darwin: Ditto.

2004-06-14  Fariborz Jahanian <fjahanian@apple.com> 

        * version.c: Remove word tree-ssa from version string.

2004-06-12  Devang Patel  <dpatel@apple.com>

        * Makefile.in (OBJS-common): Add tree-if-conv.o.
        (tree-if-conv.o): New rule.
        * target-def.h (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
        TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P, 
        TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): New.
        (TARGET_INITIALIZER): New members.
        * target.h (tree.h): Include.
        (struct gcc_target.vect): New members - support_vector_compare_p,
        support_vector_compare_for_p, vector_compare_stmt, support_vector_select_p,
        support_vector_select_for_p, vector_select_stmt.
        * tree-dfa.c (dump_immediate_uses_for): Print block index.
        * tree-flow.h (enum  move_pos): Move from ...
        * tree-ssa-loop-im.c (enum move_pos): here.
        * tree-if-conv.c: New file.
        * tree-simple.c (is_gimple_stmt): Make COND_EXPR valid gimple.
        * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Check t.
       * tree-ssa-live.c (debug_var_map): New function.
        * tree-ssa-live.h (debug_var_map): New function declaration.
        * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variable): Add
        flow_loop_scan() call.
        * tree-ssa-operands (get_stmt_operands): Handle MODIFY_EXPR when COND_EXPR
        is RHS.
        (get_expr_operands): Same.
        * tree-ssanames.c (make_ssa_name): Do not use free_ssanames.
        (release_ssa_name): Same.
        * tree-vectorizer.c (vect_transform_select): New function.
        (vect_transform_compare): New function
        (vect_is_supportable_operation): New function.
        (vect_is_supportable_compare): New function.
        (vect_is_supportable_select): New function.
        (get_array_base): Move into tree.c.
        (vect_loop_version): New function.
        (second_loop_vers_available): New variable.
        (default_vector_compare_p): New function.
        (default_vector_compare_for_p): New function.
        (default_vector_comapre_stmt): New function.
        (default_vector_select_p): New function.
        (default_vector_select_for_p): New function.
        (default_vector_select_stmt): New function.
        (vect_transform_stmt): Handle select_vec_info_type and 
        compare_vec_info_type.
        (vect_is_supportable_op): Use vect_is_supportable_operation.
        (vect_analyze_operations): Check select and compare support.
        (vect_analyze_data_refs_alignment): Print data reference in dump file.
        (vect_analyze_loop_form): Use if-conversion and update loop->num_nodes
        check.
        (vectorize_loops): Use vect_loop_version. Handle second loop version.
        * tree-vectorizer.h (struct _stmt_vec_info): New members - 
        select_vec_info_type and compare_vec_info_type.
        (default_vector_compare_p): New function decl.
        (default_vector_compare_for_p): New function decl.
        (default_vector_comapre_stmt): New function decl.
        (default_vector_select_p): New function decl.
        (default_vector_select_for_p): New function decl.
        (default_vector_select_stmt): New function decl.
        * tree.c (get_array_base): Move from tree-vectorizer to here.
        * tree.h (get_array_base): New function decl.
        * config/rs6000 (vector_builtin_fns): New.
        (rs6000_vector_compare_p): New function.
        (rs6000_vector_compare_for_p): New function.
        (rs6000_vector_compare_stmt): New function.
        (rs6000_vector_select_p): New function.
        (rs6000_vector_select_for_p): New function.
        (rs6000_vector_select_stmt): New function.
        (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
        TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P, 
        TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): Define.
        (def_builtin): Record builtin fn node in vector_builtin_fns.
        * rs6000.h (enum rs6000_builtins):  New entry - RS6000_BUILTIN_MAX.

2004-06-12  Devang Patel  <dpatel@apple.com>

	Radar 3681611
	* gcc.c (do_spec_1):  Disable local IMA patch that creats new temp. file for 
	each source file. 

2004-06-12  Dorit Naishlos  <DORIT@il.ibm.com>
	    Olga Golovanevsky  <OLGA@il.ibm.com>
	    Ayal Zaks  <ZAKS@il.ibm.com>

	* tree-vectorize.c (vect_build_symbl_bound, vect_gen_if_guard): New.
	(vect_create_index_for_array_ref): Use integer_zer_node as init.
	(vect_update_initial_conditions_of_duplicated_loop): Update phis of epilog
	loop header and new loop exit destination.
	(vect_transform_loop): Remove code that now belongs to
	vect_generate_tmps_on_preheader () function. Use
	vect_gen_if_guard function twice.

2004-06-11  Dale Johannesen  <dalej.@apple.com>

	* tree-ssa-loop-niter.c (number-of_iterations_cond): Apply Zdenek's
	patch from 5/28 lno-branch.

2004-06-10  Dale Johannesen  <dalej@apple.com>
	* tree-scalar-evolution.c (scev_finalize): Remove wild load.

2004-06-10  Fariborz Jahanian <fjahanian@apple.com>

	* version.c: Change version date to 20040529 (date of
	last merge).

2004-06-09  Dale Johannesen  <dalej@apple.com>

	* df.c (df_def_record_1): Handle DImode parallel.

2004-06-09  Fariborz Jahanian <fjahanian@apple.com>

	* gengtype.c (get_output_file_with_visibility): Removed dead code.
	* gimplify.c (copy_if_shared_r): brought in patch to PR15884 done
	by RTH to fix perlbmk crash.

2004-06-08  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/t-darwin:  Remove duplicate fpsave.

2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>

	approved Dale Johannesen <dalej@apple.com>
	Radar 3683113, PR 15881.
	* fold.const.c (fold_convert):  Handle ptr-to-member.
	* tree-scalar-evolution.c (count_ev_in_wider_type):  Use
	fold_convert not convert.
	(compute_overall_effect_of_inner_loop): Ditto.
	(chrec_is_positive): Ditto.
	(add_to_evolution_1):  Ditto.
	(add_to_evolution): Ditto.
	(first_iteration_non_satisfying_1): Ditto.
	(follow_ssa_edge_in_rhs): Ditto.
	(interpret_rhs_modify_expr): Ditto.
	(number_of_iterations_in_loop): Ditto.

2004-06-08 Robert Bowdidge <bowdidge@apple.com>

	* config/darwin.c (machopic_indirect_call_target): Added patch from
        PR/15720 (function marked inline which is called directly isn't
	emitted).

2004-06-08  Fariborz Jahanian <fjahanian@apple.com>

	* varasm.c (assemble_variable): Resotored zerofill size optimization.
	* config/rs6000/rs6000.c (rs6000_override_options): Place 
	rs6000_init_hard_regno_mode_ok after setting of -fast flags.

2004-06-08  Caroline Tice  <ctice@apple.com>
        
        * common.opt (fcreate-profile):  Add new command line option.
	(fuse-profile): Likewise.
	* gcc.c (LINK_COMMAND_SPEC):  Add fcreate-profile to list of flags
	that causes "-lgcov" to be included in link command.
	* opts.c (commmon_handle_option):  Add cases for fcreate-profile and
	fuse-profile; make them fall into the cases for fprofile-generate
	and fprofile-use, respectively.
	* config/darwin.h (LINK_COMMABND_SPEC):  Add fcreate-profile to list
	of flags that causes "-lgcov" to be included in link command.
	* doc/invoke.texi (fcreate-profile, fuse-profile):  Add documentation
	for the new command line options.  Indicates they are obsolete and
	should not be used.

2004-06-07  Fariborz Jahanian <fjahanian@apple.com>

	* gcc.c: Removed setting of -combine option with -fast.

2004-06-07  Fariborz Jahanian <fjahanian@apple.com>

	* decl.c (maybe_commonize_var): Removed APPLE LOCAL coalescing stuff.
	* method.c (use_thunk): ditto.
	* rtti.c (tinfo_base_init): ditto.
	* common.opt: ditto.

2004-06-07  Dale Johannesen  <dalej@apple.com>

	* cse.c (cse_insn):  Make sure there's a ZERO_EXTEND before looking
	under it.  (176.gcc spec regression)

2004-06-07  Ayal Zaks <zaks@il.ibm.com>

	Radar 3619935 - Part 1	
	* target-def.h (TARGET_VECT, TARGET_VECT_BUILD_BUILTIN_LVSL,
	TARGET_VECT_SUPPORT_MISALIGNED_LOADS,
	TARGET_VECT_PERMUTE_MISALIGNED_LOADS,
	TARGET_VECT_BUILD_BUILTIN_VPERM): New macros for
	TARGET_INITIALIZER.
	* target.h (struct vect): New substruct of gcc_target.
 	* tree-vectorizer.c (vect_create_index_for_array_ref): Return also the
 	initial value of the iv.
 	(vect_create_data_ref): Return also the created pointer; don't call
	vect_align_data_ref.
	(vect_finish_stmt_generation): New.
	(vect_transform_load): Handle misaligned loads too.
	(vect_analyze_data_refs_alignment): Allow loads to be misaligned.
	* config/rs6000/rs6000.c (TARGET_VECT_BUILD_BUILTIN_LVSL,
	TARGET_VECT_SUPPORT_MISALIGNED_LOADS,
	TARGET_VECT_PERMUTE_MISALIGNED_LOADS,
	TARGET_VECT_BUILD_BUILTIN_VPERM): Redefine.
	(rs6000_support_misaligned_vloads, rs6000_permute_misaligned_vloads,
	rs6000_build_builtin_lvsl, rs6000_build_builtin_vperm): New.

2004-06-07  Olga Golovanevsky  <OLGA@il.ibm.com>

	* tree-vectorizer.c (vect_update_initial_conditions_of_duplicated_loop):
	Handle general form of "init" and "step" of access function.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_exit_cfg):
	The exit from loop is taken from bb previous to latch instead
	of latch itself.

2004-06-07  Devang Patel  <dpatel@apple.com>

	Radar 3673334
	* config/darwin-driver.c (add_arch): New.
	(strip_path_and_suffix): Use strcpy.
	(main): Use add_arch().

2004-06-07  Devang Patel  <dpatel@apple.com>

	Radar 3668208 and 3668213
	* config/rs6000/darwin.h (CC1_SPEC): Handle -gused and -gfull.
	* config/i386/darwin.h (CC1_SPEC): Same.

2004-06-07  Caroline Tice  <ctice@apple.com>

	* doc/invoke.texi (-fast): Add documentation for "-fast" option.
	
2004-05-29  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_override_options):  Enable 
	hot/cold partitioning with -fast -profile-use.

2004-05-28  Ziemowit Laski  <zlaski@apple.com>

	Radar 3665286
	* cpplex.c (_cpp_peek_token): Fix bug in computing context size;
	increment/decrement 'keep_tokens' state instead of saving/restoring it.
	* cpplib.h (cpp_callbacks): Change 'expand_macro_p' hook to
	'macro_to_expand', returning a cpp_hashnode pointer.
	* cppmacro.c (cpp_get_token): Call 'macro_to_expand' hook instead of
	'expand_macro_p'.
	(warn_of_redefinition): Do not warn if redefining a conditional macro.
	* config/rs6000/rs6000-c.c (altivec_categorize_keyword): New function.
	(rs6000_expand_macro_p): Renamed to 'rs6000_macro_to_expand'; rewritten
	to call altivec_categorize_keyword() and return one of the three
	canonical macros ('__vector', '__pixel' and '__bool') as needed.
	(rs6000_cpu_cpp_builtins): Mark all AltiVec keyword variants as
	conditional macros, some expanding to themselves (e.g., '#define
	bool bool') by default.
	* config/rs6000/rs6000-protos.h (rs6000_expand_macro_p): Renamed to
	'rs6000_macro_to_expand'.

2004-05-28  Fariborz Jahanian <fjahanian@apple.com>

        * explow.c (copy_to_mode_reg): For PARALLEL patterns, copy
        to reg via a temprary.

2004-05-27  Dale Johannesen  <dalej@apple.com>

	* loop-invariant.c (check_maybe_invariant):  Disallow CALL hoists.
	* varasm.c (assemble_start_function): Construct unlikely_section_label
	unconditionally.

2004-05-26  Caroline Tice <ctice@apple.com>

	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Initialize variable 'has_hot_blocks'.
	(fix_up_fall_thru_edges):  Initialize variable'cond_jump'.
	* cfgcleanup.c (try_forward_edges):  Add code/tests to make sure the
	optimization is not attempted across section boundaries.
	* cfglayout.c (fixup_reorder_chain):  Correct comments.
	* cfgrtl.c (try_redirect_by_replacing_jump):  Fix test to make sure
	optimization is not attempted across section boundaries.
	* final.c (final_scan_instruction): Replace calls to text_section with
	calls to function_section.
	* predict.c (probably_never_executed_bb_p): Change criterion to be
	basic block count equals zero.
	* varasm.c (unlikely_text_section_name): New global variable.
	(text_section): Remove call to assemble_align.
	(unlikely_text_section):  Modify to build & use unlikely_text_section_name
	rather than directly using UNLIKELY_EXECUTED_TEXT_SECTION NAME; remove
	call to assemble_align; move code to free/initialize 
	unlikely_section_label to assemble_start_function.
	(in_unlikely_text_section):  Modify to use unlikely_text_section_name.
	(named_section): Add code to initialize unlikely_text_section_name if
	appropriate.
	(function_section): Reorder clauses in if statement to make sure
	functions containing only cold blocks end up in the correct section.
	(assemble_start_function):  Add code to correctly initialize/free
	unlikely_text_section_name.  Also make sure the cold label is printed
	out at the start of cold functions.
	(default_section_type_flags_1): Modify to use unlikely_text_section_name.
	* config/rs6000/darwin.h (HAS_LONG_UNCOND_BRANCH):  Add darwin-specific
	definition, based on the TARGET_LONG_BRANCH (-mlongcall) flag.

2004-05-25  Dale Johannesen  <dalej@apple.com>

	* tree-ssa-loop-niter.c: Add.  New in lno branch.  Oops.

2004-05-25  Mike Stump  <mrs@apple.com>

	Radar 3665096
	* config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Change default
	for long double type size to be 128.

2004-05-25  Dale Johannesen  <dalej@apple.com>

	Merge from LNO branch as of 05-18.  
	--The following files are identical to lno branch:
	df.c:  Merge.
	lambda-code.c:  Merge.
	loop-iv.c:  Merge.
	tree-chrec.c:  Merge.
	tree-chrec.h:  Merge.
	tree-data-ref.c:  Merge.
	tree-data-ref.h:  Merge.
	tree-elim-check.c:  Merge.
	tree-fold-const.h:  Merge.
	tree-scalar-evolution.c:  Merge.
	tree-scalar-evolution.h:  Merge.
	tree-ssa-loop-ivcanon.c:  Merge.
	tree-ssa-loop-ivopts.c:  Merge.
	tree-vectorizer.c:  Merge.
	--These files were merged selectively, see lno branch ChangeLog.lno.
	Makefile.in:  Add tree-ssa-loop-niter.
	cfgloop.c: Merge changes from Devang's 05-13 patch.
	cfgloop.h: Ditto, also Zdenek's 04-30 patch.
	expr.c:  Merge changes from Zdenek's 05-13 patch.
	tree-cfg.c:  Ditto.
	tree-flow.h:  Ditto.  Also from Zdenek's 04-30 patch.
	loop-invariant.c:  Merge.  Add DF_EQUIV_NOTES.
	rtl.h:  Merge change from Zdenek's 05-09 patch.
	stor-layout.c:  Ditto.
	tree.c:  Merge change from Sebastian's 04-27 patch.
	tree.h:  Ditto.  Also Zdenek's 05-13 patch.  Add TYPE_UNSIGNED.
	varasm.c:  Merge change from Zdenek's 04-30 patch.
	config/rs6000/rs6000.c:  Ditto.
	-- Other stuff:
	fold-const.c:  Remove unused variable.
	config/rs6000/rs6000-c.c:  Make #define of bool work.
	config/rs6000/t-rs6000:  Make #define of bool work.  Remove 
	-Wno-error requirements.

2004-05-25  Mike Stump  <mrs@apple.com>

	Radar 3667005
	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Move long
	double size default from here...
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): to here.

2004-05-24  Devang Patel  <dpatel@apple.com>

	Radar 3665390
	* config/darwin-driver.h (main): While reinserting output filename
	do not forget -o.

2004-05-24  Mike Stump  <mrs@apple.com>

	Radar 3589079
	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Change default
	for long double type size to be 128.
	* c-common.c: Change default for -Wwarn-long-double to off.
	(warn_about_long_double): Change wording to account for new long
	double size.
	* doc/invoke.texi (-Wlong-double): Likewise.
	
2004-05-22  Devang Patel  <dpatel@apple.com>

	Radar 3644687
	* config/darwin-driver.c (main): Reinsert output filename
	only if user supplied one.

2004-05-22  Dale Johannesen  <dalej@apple.com>

	* simplify-rtx.c (simplify_unary_operation):  Don't create NOT(SYM)
	or (MINUS(CON SYM)).
	* config/rs6000/rs6000.h (machine_function):  Make substitute_pic_base_reg
	unsigned.
	* config/rs6000/rs6000.md:  Compare it to INVALID_REGNUM not -1.
	* config/rs6000/rs6000.c (throughout):  Ditto.

2004-05-21  Ziemowit Laski  <zlaski@apple.com>

	* opts.c (common_handle_option): Do not const-qualify a char buffer
	that has sprintf() and free() called on it.

2004-05-21  Ziemowit Laski  <zlaski@apple.com>

	Radar 3621323
	* c-lex.c: Do not include target.h.
	(C_LEX_BUFCAPACITY, C_LEX_OFFS_BOUND, c_lex_buf_beg, c_lex_buf_end,
	c_lex_buf, c_lex_peek, c_lex_prepend): Remove.
	(get_nonpadding_token): Get rid of int argument; adjust call sites
	accordingly.
	* cpplex.c (_cpp_peek_token): New function.
	(_cpp_temp_token): Account for existence of lookaheads when allocating
	token.
	* cpplib.h (cpp_callbacks): Add new 'expand_macro_p' hook.
	(NODE_CONDITIONAL): New flag for macro nodes.
	(_cpp_peek_token, _cpp_backup_tokens_direct): New prototypes.
	* cppmacro.c (cpp_get_token): For macros marked NODE_CONDITIONAL,
	call the 'expand_macro_p' predicate to see if they should be
	expanded.
	(_cpp_backup_tokens_direct): New function, broken off from
	_cpp_backup_tokens().
	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct().
	* config/rs6000/rs6000-c.c (rs6000_expand_macro_p): Add cpp_reader
	parameter; call _cpp_peek_token() instead of c_lex_peek().
	(rs6000_cpu_cpp_builtins): Attach rs6000_expand_macro_p() to a
	cpplib callback instead of a target hook.
	* config/rs6000/rs6000-protos.h (rs6000_expand_macro_p): Add cpp_reader
	parameter to prototype.
	* hooks.c (hook_bool_constcpp_tokenp_false): Remove.
	* hooks.h (hook_bool_constcpp_tokenp_false): Remove prototype.
	* target-def.h (TARGET_EXPAND_MACRO_P): Remove.
	* target.h (gcc_target): Remove 'expand_macro_p' target hook.

2004-05-20  Devang Patel  <dpatel@apple.com>
 
	* config/darwin-driver.c (main): Prepand "-Wl," before
	-final_output to make it linker option.

2004-05-20  Fariborz Jahanian <fjahanian.apple.com>

	* c-opts.c (c_common_post_options): Remove old declaration and
	use of stdin_filename. Add new call to set_stdin_option.
	* common.opt: Add fpredictive-compilation=n option.
	* cppfiles.c (STAT_SIZE_RELIABLE macro): Change definition.
	(pch_open_file): No pch stuff with stdin file.
	(find_file_in_dir): When opening the main file, revert
	to opening stdin instead, in predictive compilation mode.
	(read_file_guts): Support for reading from stdin for predictive
	compilation sizes are added. (read_file): Don't close stdin.
	(read_from_stdin): New routine.
	* cpphash.h: New field declaration 'is_main_file' added.
	* cppinit.c (cpp_read_main_file): Set is_main_file to true,
	and then to false in predictive compilation mode.
	* cpplex.c (_cpp_get_fresh_line): Read more from stdin when
	in predictive compilation mode.
	* cpplib.c (set_stdin_option): New definition.
	* cpplib.h: Declaration updates.
	* flags.h: Declaration of predictive_compilation.
	* opts.c (common_handle_option): Processing -fprdictive-compilation=n
	options.
	* toplev.c: Definition of predictive_compilation added.

2004-05-14  Dale Johannesen  <dalej@apple.com>

	* Makefile.in:  Remove local -Wno-error dependencies.

2004-05-13  Caroline Tice  <ctice@apple.com>
        
        * c-common.c (builtin_function_disabled_p):  Remove "static" from
	function declaration and definition.
	* c-common.h (builtin_function_disabled_p):  Add extern function
	definition.
	* c-decl.c (merge_translation_unit_decls):  Add code to test
	function decls to see if they are builtin and the builtin is
	supposed to be disabled before attempting to merge the decls.

2004-05-12  Devang Patel  <dpatel@apple.com>

	* opts.c (common_handle_option): Handle OPT_arch.

2004-05-12  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (darwin_builtins): Move to ...
	* config/darwin.c (darwin_builtins); here.

2004-05-12  Dale Johannesen  <dalej@apple.com>

	Radar 3509006

	* config/rs6000/rs6000.c (rs6000_override_options):
	Don't enable string insns with -Os.
	* doc/invoke.texi:  Document this behavior.
	* testsuite/gcc.apple/string-insns.c:  New.

2004-05-12  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_stack_info):  Restore an
	optimization lost in merge.

2004-05-11  Ziemowit Laski  <zlaski@apple.com>

	* gcc.c (process_command): Do not define __CONSTANT_CFSTRINGS__,
	since config/darwin.h already does this.
	(do_spec_1): Emit "-mconstant-cfstrings" instead of
	"-fconstant-cfstrings".

2004-05-11  Devang Patel  <dpatel@apple.com>

	* gcc.c (optiom_map): Remove -precomp-trustfile support.
	* c-opts.c (c_common_handle_option): Remove -precomp-trustfile and
	-header-mapfile support.
	* common.opt: Same.
	* c.opt: Remove -header-mapfile support.
	
2004-05-11  Caroline Tice  <ctice@apple.com>

	* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  Add this note back
	in; it seems to have vanished during a merge.

2004-05-10  Ziemowit Laski  <zlaski@apple.com>

	* config/rs6000/altivec.h: Bring over from mainline.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__APPLE_ALTIVEC__ to indicate Apple syntax support.

2004-05-10  Dale Johannesen  <dalej@apple.com>
	* config/darwin.c:  ANSIfy syntax (eliminate warnings).
	config/darwin-c.c:  Ditto.
	rs6000.c: Small cosmetic change in local code.

2004-05-06  Caroline Tice <ctice@apple.com>

	* config/rs6000/rs6000.c (rs6000_override_options):  Modify to
	not turn on hot/cold partitioning in the presence of exception
	handling.

2004-05-06  Dale Johannesen  <dalej@apple.com>

	* Merge from lno branch as of 04-24.  Files changed:
	 lambda-code.c
	 lambda.h
	 tree-chrec.c
	 tree-chrec.h
	 tree-data-ref.c
	 tree-elim-check.c
	 tree-flow.h
	 tree-loop-linear.c
	 tree-scalar-evolution.c
	 tree-ssa-loop-im.c
	 tree-ssa-loop-ivopts.c
	 tree-ssa-loop-manip.c
	 tree-ssa-loop.c
	 tree-vectorizer.c
	 tree-vectorizer.h

2004-05-04  Caroline Tice <ctice@apple.com>

	* config/rs6000/darwin.h (FP_SAVE_INLINE):  Modify this to
	always be 1 ("on") if the optimization level is -O3 or
	higher.

2004-04-30  Dale Johannesen  <dalej@apple.com>

	* cse.c (cse_insn):  Don't add REG_EQUAL note for
	(CONST (MINUS (LABEL_REF) (0))).

2004-04-30  Caroline Tice  <ctice@apple.com>

        * varasm.c (unlikely_section_label): New global variable.
        (unlikely_text_section): Change variable name from 
        'unlikely_section_name' to 'unlikely_section_label', make it a global
        variable, and move the code to generate its value to 
        assemble_start_function.
        (assemble_start_function):  Add code to generate *correct* value for
        'unlikely_section_label'.  Now makes use of value from 'fnname' 
        parameter.

2004-04-29  Devang Patel  <dpatel@apple.com>

	gcc/loop-iv.c : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-pass.h : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-ssa-alias.c : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-ssa-phiopt.c : Merge from lno-branch as of 2004:04:19 00:00.

2004-04-29  Devang Patel  <dpatel@apple.com>

	Merge lno-branch as of 2004:04:18 00:00 into
	apple-ppc-branch.


2004-04-28  Fariborz Jahanian <fjahanian@apple.com>

	* function.c (assign_parms): Add 2nd iteration over vector args
	if needed.
	* calls.c (initialize_argument_information): Add new argument,
	add 2nd iteration over vector arguments if needed.
	* target-def.h (default_skip_vec_args, TARGET_SKIP_VEC_ARGS): New.
	* target.h (skip_vec_args): Added to calls structure.
	* targhooks.c (default_skip_vec_args): Default 
	definition.
	* targhooks.h (default_skip_vec_args): Declaration.
	* config/rs6000/rs6000.c (skip_vec_args): New definition.
		
2004-04-28  Stuart Hastings  <stuart@apple.com>
	
	* config/rs6000/rs6000.c (macho_branch_islands): Fix sprintf arguments.
	* config/rs6000/rs6000.md (output_call): Fix arguments.

2004-04-27  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (LINK_COMMAND_SPEC): Use darwin_arch_ld_spec.
	* config/rs6000/darwin.h (DARWIN_ARCH_ASM_SPEC): New.
	(DARWIN_ARCH_SPEC): Rename as...
	(DARWIN_ARCH_LD_SPEC): New name.
	* config/i386/darwin.h (DARWIN_ARCH_ASM_SPEC): New.
	(DARWIN_ARCH_SPEC): Rename as...
	(DARWIN_ARCH_LD_SPEC): New name.

2004-04-26  Andrew Pinski  <pinskia@physics.uc.edu>

	* configure.ac: Add test for -Wno-long-double.
	* Makefile.in (STRICT2_WARN): Add -Wno-long-double.
	(alloc-pool.o-warn): Delete.
	(ggc-page.o-warn): Delete.
	* configure: Regenerate.

2004-04-23  Dale Johannesen  <dalej@apple.com>

	Radars 3480058, 3178986

	* c-decl.c (merge_decls): Preserve duplicate_decl bit.
	(merge_translation_unit_decls):  Rewritten so -fno-common works.
	* opts.c (decode_options):  Turn on flag_no_common with -fast or -fastcp.
	* tree.h (struct tree_decl): Add duplicate_decl bit and DECL_DUPLICATE_DECL.
	* varasm.c (assemble_variable): Use it.
	* config/rs6000/rs6000.c (rs6000_override_options): Remove
	reorder-blocks-and-partition from -fast*.  Enable align-natural with -fastcp.
	* ../libstdc++-v3/include/std/std_fstream.h (basic_ifstream): Make
	_M_filebuf 8-byte aligned.
	(basic_ofstream): Ditto.
	
2004-04-22  Devang Patel  <dpatel@apple.com>

	Radar 3401402 and 3511029

	Remove FAT Build support from gcc.c

	* gcc.c (struct arch_config_out): Remove.
	(struct arch_out): Remove.
	(num_arches, curent_arch, final_output): Remove.
	(set_new_arch): Remove.
	(%T support): Remove.
	(%f support): Remove.
	(%F support): Remove.
	('@' support in specs): Remove.
	(ofile_merge_spec): Remove.
	(exec_merge_spec): Remove.
	(build_search_list): Remove fat builds readibility change.
	(SWITCH_IGNORE_RESTORE): Remove.
	(-arch support): Remove.
	* config/darwin.h (LINK_COMMAND_SPEC): Remove -arch*. Add %(darwin_arch_spec).
	* confiig/i386/darwin.h (ASM_SPEC): Add %(darwin_arch_spec).
	(DARWIN_ARCH_SPEC): New.
	* confiig/rs6000/darwin.h (ASM_SPEC): Add %(darwin_arch_spec).
	(DARWIN_ARCH_SPEC): New.
	* config/rs6000/rs6000.h (SUBTARGET_EXTRA_SPECS): Surround it with #ifndef.
	* config/darwin-driver.c: New file.

2004-04-20  Geoffrey Keating  <geoffk@apple.com>

	* c-cppbuiltin.c (define__GNUC__): Better precision and more
	error checking for code defining __APPLE_CC__.
	* testsuite/gcc.apple/applecc.c: New.

2004-04-15  Devang Patel  <dpatel@apple.com>

	* config/i386.h: Add static tree nodes for vector types to
	accomodate tree.h changes due to local Altivec patch.

2004-04-15  Caroline Tice  <ctice@apple.com>

	Fix various problems related to hot/cold partitioning (but not all of 
	them yet).
	* bb-reorder.c  (tm_p.h): Add new include statement.
	(HAVE_return): Define HAVE_return appropriately if not already defined.  
	(find_rarely_executed_basic_blocks_and_crossing_edges):  Modify to
	only mark crossing edges if architecture supports named sections.
	(fix_crossing_conditional_branches):  Add test for HAVE_return before
	calling gen_return.
	(fix_crossing_unconditional_branches): Change VOIDmode to Pmode in call
	to gen_rtl_LABEL_REF.
	(fix_edges_for_rarely_executed_code): Only "fix" branches and add
	REG_CROSSING_JUMP notes if the architecture supports named sections.
	(reorder_basic_blocks):  Change (* targetm.cannot_modify_jumps_p ())
	into (targetm.cannot_modify_jumps_p ()).  Modify to only add
	NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture supports
	named sections.
	* cfglayout.c (fixup_reorder_chain):  Modify code that adds
	NOTE_INSN_UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes, to only
	do so if architecture supports named sections.
	* cfgrtl.c (target.h): Add new include statement.
	(force_nonfallthru_and_redirect):  Modify code that adds
	NOTE_INSN_UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes, to only
	do so if architecture supports named sections.
	(commit_one_edge_insertion):  Likewise.
	* dbxout.c (dbxout_source_file): Fix bug, when writing out source
	location debug information, to not change to the wrong section.
	* defaults.h (NORMAL_TEXT_SECTION_NAME):  Remove this definition.
	(SECTION_FORMAT_STRING): Remove this definition.
	* final.c (final_scan_insn): Remove unnecessary in_unlikely_text_section
	test from if statement.  Modify code that switches sections to not
	do so if architecture does not support named sections.  Cleaned up
	if statement.
	* ifcvt.c (if_convert): Modified test that disables optimization when
	partitioning, to not disable it if the architecture does not support
	named sections.
	* passes.c (rest_of_compilation):  Removed flag_exceptions test from
	code that calls partitioning, as this is already taken care of
	in decode_options.
	* predict.c (choose_function_section): Modify to NOT choose hot or
	cold sections for the function decl if we are doing partitioning
	optimization (want to leave it up to the hot/cold partitioning
	optimization, which is more fine-grained).
	* varasm.c (text_section): Restore code that outputs assembly for
	the text section to its original code.
	(unlikely_text_section):  Modify to always use named_section for
	writing out section directive, remove unnecessary ifdef, and
	use ASM_OUTPUT_LABEL for labelling the start of the
	cold section.
	(in_unlikely_text_section):  Modify to deal correctly with being in
	a named section.
	(function_section):  Restore code for generating section directives
	to its original order.
	* config/darwin.c (darwin_asm_named_section): Restore code that
	generates section directive to its original state.
	* config/i386/darwin.h (ASM_OUTPUT_ALIGN): Add in_unlikely_text_section ()
	to an if test that tests for in_text_section ().
	* config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME):  Remove definition.
	(SECTION_FORMAT_STRING):  Remove definition.

2004-04-10  Paolo Bonzini  <bonzini@gnu.org>
	    Richard Henderson  <rth@redhat.com>

	PR target/14899

	* c-common.c (vector_types_compatible_p): New function.
	* c-typeck.c (comptypes): Recurse on vector types,
	treat a non-opaque type as equivalent to an opaque type.
	(convert_for_assignment): Use vector_types_compatible_p.
	(digest_init): Use vector_types_compatible_p to check
	validness of constant vector initializers; otherwise treat
	them as scalars
	* tree.c (make_or_reuse_type): New.
	(build_common_tree_nodes): Use it.
	* cp/call.c (standard_conversion): Likewise.
	* cp/typeck.c (comptypes): Recurse on vector types, do not
	treat a non-opaque type as equivalent to an opaque type.
	(convert_for_assignment): Use vector_types_compatible_p.

2004-04-13  Fariborz Jahanian <fjahanian@apple.com>

	* combine.c (combine_instructions): 
	Try insn with each REG_EQUAL note it links back to.
	(unmentioned_reg_p_1, unmentioned_reg_p): New functions.
	Brought from tree-ssa branch.

2004-04-09  Dale Johannesen <dalej@apple.com>

	Roll in gcc-1552 enhancement for separate stack temps.
	Turn on -fstrict-aliasing with -fast.
	* function.c (assign_stack_local_with_alias): New function.
	* rtl.h (assign_stack_local_with_alias): Declare it.
	* config/rs6000/rs6000.c (rs6000_override_options): Turn on strict
	aliasing with -fast.
	* config/rs6000/rs6000.md (floatsidf2): Use 
	assign_stack_local_with_alias.
	(floatunssidf2): Ditto.
	(fix_truncdfsi2): Ditto.

2004-04-07  Fariborz Jahanian <fjahanian@apple.com>

	Roll in Ziem Laski's Altivec front-end fixes to 
	support MOTOROLA's Altivec syntax.
	* Makefile.in: Add c-lex.o dependencies.
	* c-common.c (vector_constructor_from_expr): New function.
	* c-common.h (vector_constructor_from_expr): Add declaration.
	* c-lex.c: include target.h, cpphash.h. Add lexer support
	for new syntax.
	(c_lex_prepend): new function. (c_lex_peek): new function.
	* c-pragma.h: add (c_lex_peek, c_lex_prepend) declarations.
	 	
2004-04-06  Dale Johannesen <dalej@apple.com>

	Roll in Zdenek Dvorak's rewrite of doloop optimization.
	* Makefile.in: add loop-doloop.*, remove doloop.*
	* loop-doloop.c: New.
	* doloop.c: Remove.
	* cfgloop.h: Add new function declarations.
	* cfgloopanal.c: Add get_loop_level.
	* loop-iv.c: Recognize unexecuted loops.
	* loop.c: Remove call to old doloop optimization.
	* loop.h: Remove LOOP_BCT.
	* passes.c: Ditto. Call new doloop optimization.
	* config/rs6000/rs6000-protos.h: Remove duplicate declarations.
	* config/rs6000/rs6000.c: Cosmetic cleanups.  Add -freorder-blocks
	to -fast.

2004-04-02  Ziemowit Laski  <zlaski@apple.com>

	Remove APPLE LOCAL AltiVec code whenever possible; merge in
	AltiVec/VECTOR_TYPE-handling code from mainline.

2004-04-01  Fariborz Jahanian <fjahanian@apple.com>

	* Makefile.in: add $(PARAMS_H) $(TM_P_H) dependencies
	for sched-rgn.o.
	* params.def: add definitions for 
	max-sched-region-blocks and max-sched-region-insns.
	* sched-rgn.c (too_large): change return type to bool.
	Use the parametrized values of max-sched-region-blocks,
	max-sched-region-insns for computing upper limits for
	interblock scheduling. 
	* doc/invoke.texi: Document max-sched-region-blocks,
	max-sched-region-insns.

2004-04-01  Caroline Tice  <ctice@apple.com>

        * basic-block.h (struct edge_def):  Add new field, crossing_edge.
	(struct basic_block_def):  Add new field, partition.
	(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION):  New constant macro
	definitions.
	(partition_hot_cold_basic_blocks): Add extern function 
	declaration.
        * bb-reorder.c (function.h, obstack.h, expr.h, regs.h):  Add four new 
	include	statements.
	(N_ROUNDS): Increase the maximum number of rounds by 1.
	(branch_threshold): Add array value for new round.
	(exec_threshold): Add array value for new round.
	(push_to_next_round_p): New function.
	(add_unlikely_executed_notes): New function.
	(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
	(mark_bb_for_unlikely_executed_section): New function.
	(add_labels_and_missing_jumps): New function.
	(add_reg_crossing_jump_notes): New function.
	(fix_up_fall_thru_edges): New function.
	(find_jump_block): New function.
	(fix_crossing_conditional_branches): New function.
	(fix_crossing_unconditional_branches): New function.
	(fix_edges_for_rarely_executed_code): New function.
	(partition_hot_cold_basic_blocks): New function.
	(find_traces):  Add an extra round for partitioning hot/cold
	basic blocks.
	(find_traces_1_round): Add a parameter.  Modify to push all cold blocks,
	and only cold blocks, into the last (extra) round of collecting traces.
	(better_edge_p): Add a parameter.  Modify to favor non-crossing edges 
	over crossing edges.
	(bb_to_key):  Add code to correctly identify cold blocks when 
	doing partitioning.
	(connect_traces): Modify to connect all the non-cold traces first, then
	go back and connect up all the cold traces.
	(reorder_basic_blocks):  Add call to add_unlikely_executed_notes.
	* cfg.c (entry_exit_blocks): Add initialization for partition field in
	entry and exit blocks.
	* cfgbuild.c (make_edges): Update current_function_has_computed_jump  
	if we are doing hot/cold partitioning.
	* cfgcleanup.c (cfglayout.h): Add new include statement.
	(try_simplify_condjump): Modify to not attempt on blocks with jumps 
	that cross section boundaries.
	(try_forward_edges): Likewise.
	(merge_blocks_move_predecessor_nojumps): Likewise.
	(merge_blocks_move_successor_nojumps): Likewise.
	(merge_blocks_move): Likewise.
	(try_crossjump_to_edge): Modify to not attempt after we have done
	the block partitioning.
	(try_crossjump_bb): Modify to not attempt on blocks with jumps that
	cross section boundaries.
	(try_optimize_cfg): Likewise.
	* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
	jumps that cross section boundaries.
        * cfglayout.c (flags.h): Add new include statement.
	(update_unlikely_executed_notes):  New function.
	(fixup_reorder_chain):  Add code so when a new jumping basic block is 
        added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are 
	updated appropriately.
	(duplicate_insn_chain):  Add code to duplicate the new NOTE insn
	introduced by this optimization.
        * cfglayout.h (scan_ahead_for_unlikely_executed_note):  Add new 
        extern function declaration.
	* cfgrtl.c (can_delete_note_p):  Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
	list of notes that can be deleted.
	(create_basic_block_structure):  Add initialization for partition field.
	(rtl_can_merge_blocks):  Modify to test blocks for jumps that cross
	section boundaries.
	(try_redirect_by_replacing_jump):  Modify to not attempt on jumps that
	cross section boundaries.
	(commit_one_edge_insertion): Add code so newly created basic block
	ends up in correct (hot or cold) section.  Modify to disallow 
	insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
	(rtl_verify_flow_info_1):  Add code to verify that no fall_thru edge
	crosses section boundaries.
	(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
	cross section boundaries.
	(force_nonfallthru_and_redirect): Modify to make sure new basic block
	ends up in correct section, with correct notes attached.
        * common.opt (freorder-blocks-and-partition):  Add new flag for this 
        optimization.
        * dbxout.c (dbx_function_end):  Add code to make sure scope labels at
        the end of functions are written into the correct (hot or cold) 
        section.
	(dbx_source_file): Add code so writing debug file information
	doesn't incorrectly change sections.
        * defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
	in partitioning hot/cold basic blocks into separate sections.
	(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold 
	section partitioning.
	(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
	conditional branches can span all of memory.
	(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
	unconditional branches can span all of memory.
        * final.c (scan_ahead_for_unlikely_executed_note):  New function.
	(final_scan_insn):  Add code to check for NOTE instruction indicating 
        whether basic block belongs in hot or cold section, and to make sure 
        the current basic block is being written to the appropriate section.  
        Also added code to ensure that jump table basic blocks end up in the 
        correct section.
        * flags.h (flag_reorder_blocks_and_partition):  New flag.
	* ifcvt.c (find_if_case_1):  Modify to not attempt if conversion if
	one of the branches has a jump that crosses between sections.
	(find_if_case_2): Likewise.
	(ifcvt): Modify to not attempt to mark loop exit edges after 
	hot/cold partitioning has occurred.
        * opts.c (decode_options): Code to handle new flag, 
        flag_reorder_blocks_and_partition; also to turn it off if
	flag_exceptions is on.
	(common_handle_option): Code to handle new flag, 
        flag_reorder_blocks_and_partition.
        * output.h (unlikely_text_section): New extern function declaration.
	(in_unlikely_text_section): New extern function declaration.
	* passes.c (rest_of_handle_stack_regs):  Add 
	flag_reorder_blocks_and_partition as an 'or' condition for calling 
	reorder_basic_blocks.
	(rest_of_handle_reorder_blocks):  Add flag_reorder_blocks_and_partition 
	as an 'or' condition for calling reorder_basic_blocks.
	(rest_of_compilation):  Add call to partition_hot_cold_basic_blocks.
        * print-rtl.c (print_rtx): Add code for handling new note,
        NOTE_INSN_UNLIKELY_EXECUTED_CODE
        * rtl.c  (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
	(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
	cross between section boundaries.
        * rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  New note instruction, 
        indicating the basic block containing it belongs in the cold section.
	(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
	between hot and cold sections.
        * toplev.c (flag_reorder_blocks_and_partition):  Add code to 
        initialize this flag, and to tie it to the command-line option 
        freorder-blocks-and-partition.
        * varasm.c (cfglayout.h):  Add new include statement.
	(unlikely_section_label_printed):  New global variable, used for 
        determining when to output section name labels for cold sections.
	(in_section):  Add in_unlikely_executed_text to enum data structure.
	(text_section):  Modify code to use SECTION_FORMAT_STRING and
	NORMAL_TEXT_SECTION_NAME macros.
	(unlikely_text_section):  New function.
	(in_unlikely_text_section):  New function.
	(function_section):  Add code to make sure beginning of function is 
        written into correct section (hot or cold).
	(assemble_start_function):  Add code to make sure stuff is written to 
        the correct section.
	(assemble_zeros):  Add in_unlikely_text_section as an 'or' condition 
        to an if statement that was checking 'in_text_section'.
	(assemble_variable):  Add 'in_unlikely_text_section' as an 'or' 
        condition to an if statement that was checking 'in_text_section'.
        (default_section_type_flags_1):  Add check: if in cold section 
        flags = SECTION_CODE.
	* config/darwin.c (darwin_asm_named_section):  Modify to use
	SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
	* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro 
	specifically for the i386.
	(HAS_LONG_UNCOND_BRANCH):  Defined this macro specifically for the i386.
        * config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
	text string to something more informative.
	(NORMAL_TEXT_SECTION_NAME): Add new definition.
	(SECTION_FORMAT_STRING):  Add new definition.
        * config/rs6000/rs6000.c (rs6000_assemble_integer):  Add 
        '!in_unlikely_text_section' as an 'and' condition to an if statement 
        that was already checking '!in_text_section'.
	(rs6000_override_options):  Turn on flag_reorder_blocks_and_partition
	with "-fast".
        * config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
        sure these are properly defined for linux on ppc.
        * doc/invoke.texi  (freorder-blocks-and-partition): Add documentation 
        for this new flag.
	* doc/rtl.texi (REG_CROSSING_JUMP):  Add documentation for new
	reg_note.
        * doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING, 
	HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for 
	these new macros.

