PR c/6660
	* c-decl.c (grokfield): Allow user defined types if they declare
	structs or unions for unnamed fields.

	* gcc.dg/20020527-1.c: New test.

From-SVN: r54466

	PR c/6809
	* print-rtl.c (print_mem_expr): Don't crash on unnamed fields.

	* gcc.dg/20020530-1.c: New test.

From-SVN: r54463

	PR optimization/6842
	* combine.c (combine_simplify_rtx) [SUBREG]: Don't ICE if VOIDmode
	operand subreg cannot be simplified.

	* gcc.dg/20020531-1.c: New test.

From-SVN: r54462

	* varasm.c (const_hash): Handle FDESC_EXPR like ADDR_EXPR.
	(compare_constant): Likewise.
	(output_addressed_constants): Likewise.

	* g++.dg/opt/vt1.C: New test.

From-SVN: r54459

	* cfgcleanup.c (try_optimize_cfg): Make sure merge_blocks doesn't
	merge bb with itself.

	* gcc.c-torture/compile/20020605-1.c: New test.

From-SVN: r54456

        * config/alpha/alpha.md (builtin_zap): Fix thinkos expanding mask.
        (builtin_zapnot): Likewise.

From-SVN: r54454

        * config/alpha/ev5.md: Don't combine shift and mvi insns in one
        reservation.

From-SVN: r54453

acinclude.m4 (GLIBCPP_CHECK_SETRLIMIT_ancilliary): Reorder and include all required headers for test against older POSIX standard.

	* acinclude.m4 (GLIBCPP_CHECK_SETRLIMIT_ancilliary): Reorder and
	include all required headers for test against older POSIX standard.
	(GLIBCPP_CHECK_SETRLIMIT): Likewise.
	(ac_setrlimit): Likewise.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* testsuite/testsuite_hooks.cc: Reorder and include all
	required headers for use against older POSIX standard.

From-SVN: r54452

2002-06-10  Eric Christopher  <echristo@redhat.com>

	* config/i386/i386.c (ix86_osf_output_function_prologue): Remove
	prototype and function.
	(TARGET_ASM_FUNCTION_PROLOGUE): Remove OSF version.
	(call_insn_operand): Remove half pic references.
	(legitimate_address_p): Ditto.
	* config/i386/i386.h: Remove half pic defines.

From-SVN: r54451

From-SVN: r54450

extend.texi (Return Address): Add note explaining the side- effects of inlining on __builtin_return_address.

2002-06-10  Eric Christopher  <echristo@redhat.com>

	* doc/extend.texi (Return Address): Add note explaining the side-
	effects of inlining on __builtin_return_address.

From-SVN: r54449

	* Makefile.in (LANGHOOKS_DEF_H): Include langhooks-def.h.
	(c-common.o): Depend on langhooks.h.

From-SVN: r54448

	* cpphash.h (_cpp_read_logical_line_trad,
	_cpp_expansions_different_trad): Update prototypes.
	* cpplex.c (continue_after_nul): New.
	* cppmain.c: Include cpphash.h.
	(scan_translation_unit_trad): New.
	(cpp_preprocess_file): Call it.
	* cpptrad.c (_cpp_read_logical_line_trad): Take new parameter
	overlay.
	(_cpp_expansions_different_trad): Update prototype.

From-SVN: r54446

	* sh.c (frame_insn): New function.
	(output_stack_adjust): Add parameter emit_fn.  All callers changed.
	(push): Now returns rtx.  Use frame_insn.
	(sh_expand_prologue): Clear RTX_FRAME_RELATED_P for second push
	of a DF register.
	* sh.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_RETURN_COLUMN): Define.

From-SVN: r54445

	* include/private/gc_locks.h (GC_test_and_set): Support
	Linux/mips.
	(GC_TEST_AND_SET_DEFINED): Likewise.

	* include/private/gcconfig.h (DYNAMIC_LOADING): Defined for
	Linux/mips.
	(DATAEND): Likewise.
	(LINUX_STACKBOTTOM): Likewise.
	(STACKBOTTOM): Removed for Linux/mips.

From-SVN: r54444

	* Makefile.in (STAGESTUFF): Add s-gtype, gt-*.h, gtype-*.h,
	and gtype-desc.c.
	(mostlyclean): Delete specs.h, options.h, gencheck.h here...
	(distclean): ... not here.  But do delete all testsuite/*.log,
	testsuite/*.sum files here.  Delete mkheaders.  Delete
	po/*.gmo and the testsuite directory in a split tree build.

From-SVN: r54443

alias.c (static_reg_base_value): New to hold RTL for items allocated once per function for the aliasing code.

	* alias.c (static_reg_base_value): New to hold RTL for
	items allocated once per function for the aliasing code.
	(init_alias_once_per_function): Initialize static_reg_base_value.
	(init_alias_analysis): Avoid throw-away allocations of RTL by
	using pre-computed values in static_reg_base_value.
	* function.c (prepare_function_start): Call
	init_alias_once_per_function appropriately.
	* rtl.h (init_alias_once_per_function): Declare.
	* caller-save (init_caller_save): Restructure slightly to
	avoid lots of silly RTL generation.
	* expr.c (init_expr_once): Likewise.
	* reload1.c (reload_cse_regs_1): Allocate throw-away register
	RTL object here.  Pass it into children.
	(reload_cse_simplify_operands): Use passed-in register RTL
	object.
	(reload_cse_simplify): Pass through throw-away register
	RTL object.

From-SVN: r54442

2002-06-10  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (ssa.o): Add dependency on $(RTL_H), which was missing.

From-SVN: r54440

	* gcc.c (process_command): Avoid assignment to read-only location.
	Fix sizeof calculation.

From-SVN: r54439

From-SVN: r54438

	* cpphash.h (struct cpp_macro): Put comments on their own lines.
	(_cpp_expansions_different_trad): New.
	* cppmacro.c (warn_of_redefinition): Fix for traditional case.
	* cpptrad.c (canonicalize_text): New.
	(scan_out_logical_line): Handle no arguments correctly.
	(save_replacement_text): Commit memory when finished.
	(_cpp_expansions_different_trad): New.

From-SVN: r54432

	* lang.c (LANG_HOOKS_POST_OPTIONS): Define.
	(flag_really_inline): New.
	(java_decode_option): Set flag_really_inline if -finline-functions
	is seen.
	(java_post_options): New function. Turn off inlining unless
	flag_really_inline is set.

From-SVN: r54430

	* configure.host: Disable hash synchronization and slow_pthread_self
	for cygwin.

From-SVN: r54428

	* gjavah.c (throwable_p): Accept argument as either a classname or
	signature fragment. Create null-terminated classname string for super
	when calling itself recursively.
	(decode_signature_piece): Skip first character from class name
	signature when calling throwable_p.

From-SVN: r54427

From-SVN: r54426

From-SVN: r54425

From-SVN: r54418

	* Makefile.in (install-driver): Install driver as
	$(target_alias)-gcc-$(version).
	* gcc.c (spec_version): Make const.
	(process_command): Handle -V and -b by using exec.
	* doc/invoke.texi (Target Options): Restore -V option,
	update docs for -b option.

From-SVN: r54417

From-SVN: r54416

From-SVN: r54415

From-SVN: r54413

	* cpphash.h (_cpp_push_text_context): Update.
	(_cpp_arguments_ok): New.
	* cppmacro.c (_cpp_arguments_ok): New, split out from...
	(collect_args): ...here.
	(_cpp_push_text_context): Change inputs.
	* cpptrad.c (struct fun_macro, maybe_start_funlike, save_argument,
	replace_args_and_push): New.
	(lex_identifier, _cpp_lex_identifier_trad, scan_parameters):
	Don't use IS macros directly.
	(scan_out_logical_line): Handle function-like macro argument
	collection.
	(push_replacement_text): Update.
	(replacement_length): Remove.
	(_cpp_create_trad_definition): Don't skip whitespace before
	checking for '('.

From-SVN: r54412

	* config/avr/avr.c (avr_mcu_types): Update for new devices.
	* config/avr/avr.h (TARGET_SWITCHES, AVR_MEGA): Add -mshort-calls.
	(LINK_SPEC, CRT_BINUTILS_SPECS): Update for new devices.
	* config/avr/avr.md ("type" and "length" attributes): New type
	"xcall", length 1 or 2 if AVR_MEGA.  Use in all patterns that
	output a single "call" or "rcall" insn depending on device size.
	* config/avr/t-avr (MULTILIB_MATCHES): Update for new devices.

From-SVN: r54410

From-SVN: r54409

From-SVN: r54408

	* encoding.c (objc_layout_structure_next_member): Remove unused
	variable.

From-SVN: r54406

        * config/rs6000/{aix43.h,aix5.1} (ASM_CPU_SPEC): Add power3
        synonym for 630.  Add power4.  Remove embedded processors.  Use -m604
        assembler option.
        (CPP_CPU_SPEC): Add power3 and power4.
        (PROCESSOR_DEFAULT): Change to 604e.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Similar additions.
        (CPP_CPU_SPEC): Similar additions.
        (enum process_type): Add POWER4.
        (RTX_COSTS): Add POWER4.
        (CPP_CPU_SPEC): Similar additions.
        * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
        * config/rs6000/rs6000.c (rs6000_override_options): Add power4.
        (rs6000_adjust_cost): Add 603, 604, 604e, 620, 630, Power4 to
        branch adjustment.
        (rs6000_issue_rate): Add Power4.
        * config/rs6000/rs6000.md (cpu attr): Add power4.
        (iu compare): Remove 604, 604e, 620, 630.
        Add basic Power4 scheduling information.
        (mfcr/mtcrf): Change type attribute to cr_logical.

From-SVN: r54405

From-SVN: r54404

	* gengtype.h (error_at_line): Use PARAMS, not VPARAMS.  Add
	ATTRIBUTE_PRINTF_2.
	* gengtype-lex.l: Fix format specifier warning.

From-SVN: r54394

	* genautomata.c: Don't include ctype.h or limits.h.  Use ISSPACE,
	not isspace.
	* gengtype-lex.l: Don't include ctype.h and use ISSPACE/ISIDNUM in
	lieu of isspace/IDchar.
	* gengtype.c: Likewise for ctype.h and ISALNUM vs isalnum.
	* read-rtl.c: Likewise for ctype.h.  Don't define ISDIGIT or
	ISSPACE.

From-SVN: r54392