From-SVN: r54494

2002-06-11  Eric Christopher  <echristo@redhat.com>

	* doc/tm.texi (Run-time Target): Add comment about flag_iso
	and strict ANSI.
	* config/mips/ecoff.h (CPP_PREDEFINES): Remove.
	* config/mips/ecoffl.h: Ditto.
	* config/mips/elf64.h (SUBTARGET_CPP_SPEC): Remove.
	(CPP_PREDEFINES): Ditto.
	* config/mips/elfl64.h: Ditto.
	* config/mips/elfl.h: Ditto.
	* config/mips/iris3.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): #if 0
	out until irix header consolidation.
	* config/mips/iris5.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): Replace
	with SUBTARGET_OS_CPP_BUILTINS.
	* config/mips/iris6.h: Ditto.
	(CPLUSPLUS_CPP_SPEC): Remove.
	* config/mips/linux.h: Ditto.
	* config/mips/netbsd.h: Ditto.
	* config/mips/openbsd.h: Ditto.
	* config/mips/rtems.h: Ditto.
	* config/mips/rtems64.h: Ditto.
	* config/mips/sni-svr4.h: Ditto.
	* config/mips/mips.h (ISA_MIPS1, ISA_MIPS2, ISA_MIPS3, ISA_MIPS4,
	ISA_MIPS32, ISA_MIPS64): New defines.
	(GENERATE_MULT3_SI, HAVE_SQRT_P, ISA_HAS_64BIT_REGS,
	ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE, ISA_HAS_8CC, ISA_HAS_FP4,
	ISA_HAS_COND_TRAP, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
	ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Use.
	(TARGET_CPU_CPP_BUILTINS): Define.
	(CPP_PREDEFINES, LONG_MAX_SPEC, CPP_FPR_SPEC, CPP_SPEC): Remove.
	* config/mips/mips.md (mulsi3_mult3): Use ISA_MIPS32/64.
	(movdicc): Remove check for ISA_MIPS32.
	 (bunordered, bordered, bungt, bunlt, buneq, bunge, bunle,
	sunordered_df, sunordered_sf, sordered_df, sordered_sf,
	sunlt_df, sunlt_sf, sungt_df, sungt_sf, suneq_df, suneq_sf, sunge_df,
	sunge_sf, sunle_df, sunle_sf): New patterns.

From-SVN: r54493

From-SVN: r54492

From-SVN: r54486

	* Makefile.in: Update cppmain.o.
	* cpphash.h (struct cpp_reader): Move some members to a
	nested structure.
	(trad_line): Rename saved_line.
	(_cpp_read_logical_line_trad): Update.
	(_cpp_remove_overlay): New.
	* cppinit.c (cpp_create_reader): No need to set saved_line.
	(cpp_destroy): Update.
	(cpp_read_main_file): Only overlay if compiling.
	* cpplex.c (continue_after_nul): Return false if in directive.
	* cpplib.c (EXPAND): New.
	(directive_table, SEEN_EOL): Update.
	(end_directive): Remove overlay if traditional; don't skip
	line in traditional #define.
	(prepare_directive_trad): New.
	(_cpp_handle_directive, run_directive): Update for traditional
	directives.
	(lex_macro_node): Simplify, don't use lex_identifier_trad.
	* cpplib.h (struct options): Add preprocess_only.
	* cppmain.c: Don't include intl.h.
	(cpp_preprocess_file): Set options->preprocess_only.
	(scan_translation_unit_trad): Fix, and print line numbers.
	* cpptrad.c (check_output_buffer, lex_identifier, scan_parameters,
	maybe_start_funlike, scan_out_logical_line, replace_args_and_push,
	save_replacement_text, _cpp_create_trad_definition): Update for
	variable renaming.
	(_cpp_overlay_buffer): Save line number.
	(_cpp_remove_overlay): Rename from restore_buff, restore line.
	(_cpp_read_logical_line_trad): Don't handle overlays here.
	(scan_out_logical_line): Process directives.

From-SVN: r54485

	* gthr-win32.h: Wrap all functions in extern "C".
	(__gthread_key_t): Typedef as unsigned long,
	not win32 DWORD.
	(__GTHREAD_ONCE_INIT): Use 0, not win32 FALSE.
	(__gthread_mutex_t): Typedef as void*, not win32 HANDLE.
	(__gthr_win32_once, __gthr_win32_key_create,
	__gthr_win32_key_delete, __gthr_win32_getspecific,
	__gthr_win32_setspecific, __gthr_win32_mutex_init_function,
	__gthr_win32_mutex_lock,__gthr_win32_mutex_trylock,
	__gthr_win32_mutex_unlock): Declare.
	(__gthread_once,__gthread_key_create,
	__gthread_key_delete, __gthread_getspecific,
	__gthread_setspecific, __gthread_mutex_init_function,
	__gthread_mutex_lock,__gthread_mutex_trylock,
	__gthread_mutex_unlock): Call corresponding
	__gthr_win32_* extern implementations if #defined
	__GTHREAD_HIDE_WIN32API.
	* config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Set to
	$(srcdir)/config/i386/gthr-win32.c
	* config/i386/gthr-win32.c: New implementation file.
	(__gthr_win32_once, __gthr_win32_key_create,
	__gthr_win32_key_delete, __gthr_win32_getspecific,
	__gthr_win32_setspecific, __gthr_win32_mutex_init_function,
	__gthr_win32_mutex_lock,__gthr_win32_mutex_trylock,
	__gthr_win32_mutex_unlock): New functions, based on
	static inlines in gthr-win32.h.

From-SVN: r54484

        * config/xtensa/xtensa.c (override_options): Don't warn about
        using -fpic or -fPIC when PIC is enabled by default.

From-SVN: r54483

From-SVN: r54482

        * gcc.c-torture/compile/20001226-1.x: Only xfail for Xtensa
        targets if not optimizing.

From-SVN: r54481

From-SVN: r54480

	* Makefile.in (MACHMODE_H): Add @extra_modes_file@.
	* configure.in: If $srcdir/config/${cpu_type}/${cpu_type}-modes.def
	exists, substitute its pathname as @extra_modes_file@, define
	EXTRA_MODES_FILE to be an appropriate string to #include it
	with, and define EXTRA_CC_MODES to 1.

	* machmode.def: Update comments.  Include EXTRA_MODES_FILE if
	it's defined.  Get rid of redundancy in calling sequence for
	CC; don't use it to define CCmode, to avoid a warning.
	* libgcc2.c: Include symcat.h for the sake of machmode.def.

	* arc-modes.def, arm-modes.def, c4x-modes.def, i386-modes.def,
	i960-modes.def, ia64-modes.def, m88k-modes.def, mmix-modes.def,
	pa-modes.def, pdp11-modes.def, rs6000-modes.def, sparc-modes.def:
	New files.
	* arc.h, arm.h, c4x.h, i386.h, i960.h, ia64.h, m88k.h, mmix.h,
	pa.h, pdp11.h, rs6000.h, sparc.h: Don't define EXTRA_CC_MODES.

	* doc/sourcebuild.texi, doc/tm.texi: Document new scheme for
	defining extra CC modes.

From-SVN: r54478

2002-06-10  Roger Sayle  <roger@eyesopen.com>
	    Andreas Jaeger <aj@suse.de>

	* cfgrtl.c (create_basic_block_structure):  Remove index argument
	and use last_basic_block++ instead.  (create_basic_block): Update.
	* cfgbuild.c (find_basic_blocks_1): Likewise.

	* cfgrtl.c (compute_bb_for_insn): Remove unused "max" argument.
	* haifa-sched.c (sched_init): Update compute_bb_for_insn caller.
	* sched-ebb.c (schedule_ebbs): Likewise.
	* sched-rgn.c (schedule_insns): Likewise.
	* ssa-ccp.c (ssa_const_prop): Likewise.
	* ssa-dcs.c (ssa_eliminate_dead_code): Likewise.
	* toplev.c (rest_of_compilation): Likewise.
	* config/ia64/ia64.c (ia64_reorg): Likewise.

Co-Authored-By: Andreas Jaeger <aj@suse.de>

From-SVN: r54477

	* simplify-rtx.c (simplify_replace_rtx): Allow replacement
	of matching registers.

From-SVN: r54476

	* toplev.c (rest_of_compilation): Disable early if-conversion pass.
	* gcse.c (bypass_conditional_jumps): Fix typo in setcc test.

From-SVN: r54475

	* config/mmix/mmix.h: Improve comments.
	(CPP_SPEC, CPP_PREDEFINES): Don't define.
	(TARGET_CPU_CPP_BUILTINS): Define.
	(CANONICALIZE_COMPARISON): Don't define, replace with comment.
	(PREDICATE_CODES) <"mmix_reg_or_8bit_or_256_operand">: Remove
	unused predicate.
	* config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Add cast to avoid
	compiler warning.
	(mmix_constant_address_p): Remove another
	redundant test before case.
	(mmix_canonicalize_comparison): Remove unused function.
	(mmix_print_operand_address): Don't test and adjust for operand in
	non-canonical format.
	(mmix_reg_or_8bit_or_256_operand): Remove unused predicate.
	(mmix_gen_compare_reg): Don't use CANONICALIZE_COMPARISON.

From-SVN: r54474

	* config/m32r/m32r.h: Don't define SELECT_CC_MODE.
	* config/m32r/m32r-protos.h: Don't prototype m32r_select_cc_mode.
	* config/m32r/m32r.c: Don't define m32r_select_cc_mode.
	(gen_compare): Use CCmode unconditionally.

From-SVN: r54473

	PR optimization/6759
	* cse.c (cse_insn): Fold src_eqv just once, store it folded back into
	the REQ_EQUAL note.

	* g++.dg/opt/cse1.C: New test.

From-SVN: r54469

	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