* config.gcc: Reorganize --with-cpu logic.  Set
	configure_default_options according to the default CPU, --with-cpu,
	--with-arch, --with-tune, --with-schedule, --with-abi, and
	--with-float.  Check for legal values of various options.
	* configure.in: Define configure_default_options in configargs.h.
	* configure: Regenerated.
	* config/mips/mips.h (TARGET_DEFAULT_ARCH_P)
	(TARGET_DEFAULT_FLOAT_P): New macros.
	* gcc.c (do_option_spec): New function.
	(struct default_spec, option_default_specs): New.
	(main): Call do_option_spec.
	* config/alpha/alpha.h, config/arm/arm.h, config/i386/i386.h,
	config/mips/mips.h, config/pa/pa.h, config/rs6000/rs6000.h,
	config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Define.

	* doc/install.texi: Update --with-cpu documentation.  Mention
	--with-arch, --with-schedule, --with-tune, --with-abi, and
	--with-float.
	* doc/tm.texi (Driver): Document OPTION_DEFAULT_SPECS.

From-SVN: r67457

From-SVN: r67456

	* config.gcc: Reorganize --with-cpu section.  Remove an
	obsolete comment about the default CPU for x86-64.  Fix
	a typo for the ep9312.  Update the list of supported PowerPC
	CPUs.  Support a limited set of new --with-cpu options
	for i386.

From-SVN: r67455

2003-06-04  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_complex_function_value): Unpack
        complex numbers <= 32 bits into two registers.

From-SVN: r67454

	* alpha.c (print_operand_address): Fix format specifier warnings.
	* alpha/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
	* alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
	* arm/aof.h (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Likewise.
	* arm/pe.h (ASM_OUTPUT_COMMON): Likewise.
	* avr.h (ASM_OUTPUT_COMMON, ASM_GENERATE_INTERNAL_LABEL,
	ASM_OUTPUT_SKIP): Likewise.
	* c4x.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* dsp16xx.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* h8300.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_COMMON):
	Likewise.
	* i370.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* i386/cygming.h (ASM_OUTPUT_COMMON): Likewise.
	* i386/darwin.h (ASM_OUTPUT_COMMON): Likewise.
	* i960.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* m68k/hp320.h (PRINT_OPERAND_ADDRESS): Likewise.
	* mcore.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
	* pdp11.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* ptx4.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
	* sparc/freebsd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
	* svr3.h (ASM_OUTPUT_COMMON): Likewise.

From-SVN: r67453

	* c-decl.c (c_init_decl_processing): Clear input_file_name
	while building common nodes.
	* dwarf2out.c (gen_compile_unit_die, dwarf2out_finish):
	Don't add working directory for strings like <built-in> .

From-SVN: r67452

        * doc/install.texi (*-ibm-aix*): Native as and ld required
        to bootstrap on AIX 5L.

From-SVN: r67450

        * c-common.c (handle_cleanup_attribute): New.
        (c_common_attributes): Add it.
        * c-decl.c (finish_decl): Honor the cleanup attribute.
        * doc/extend.texi (Variable Attributes): Document it.

        * unwind-c.c: New file.
        * Makefile.in (LIB2ADDEH): Add it.
        * config/t-darwin, config/t-linux, config/t-linux-gnulibc1,
        config/ia64/t-ia64: Likewise.

        * gcc.dg/cleanup-1.c: New.
        * gcc.dg/cleanup-2.c: New.
        * gcc.dg/cleanup-3.c: New.
        * gcc.dg/cleanup-4.c: New.
        * gcc.dg/cleanup-5.c: New.
        * gcc.dg/cleanup-6.c: New.
        * gcc.dg/cleanup-7.c: New.

From-SVN: r67449

	* function.c (trampolines_created): New variable.
	(expand_function_end): Set it when doing INITIALIZE_TRAMPOLINE.
	* function.h (trampolines_created): Add.
	* config/s390/linux.h (ASM_FILE_END): Define.
	* config/alpha/linux-elf.h (ASM_FILE_END): Define.
	* config/m68k/linux.h (ASM_FILE_END): Define.
	* config/rs6000/linux.h (ASM_FILE_END): Define.
	* config/rs6000/linux64.h (ASM_FILE_END): Define.
	* config/rs6000/ppc-asm.h: Add .note.GNU-stack on powerpc-linux.
	* config/sparc/linux.h (ASM_FILE_END): Define.
	* config/sparc/linux64.h (ASM_FILE_END): Define.
	* config/i386/i386.c (ix86_asm_file_end): Use SUBTARGET_FILE_END.
	* config/i386/linux.h (SUBTARGET_FILE_END): Define.
	* config/i386/linux64.h (SUBTARGET_FILE_END): Define.

From-SVN: r67447

	* i386.c (min_insn_size, k8_avoid_jump_misspredicts): New functions
	(ix86_reorg): Use it.
	* i386.md (align): New insn pattern.

From-SVN: r67446

From-SVN: r67445

From-SVN: r67444

	* lib/dg-pch.exp: New file.
	* g++.dg/pch/pch.exp: Use dg-pch.exp.
	* gcc.dg/pch/pch.exp: Likewise.

From-SVN: r67443

	* config/i386/linux.h (NO_PROFILE_COUNTERS): Define to 1.
	* config/i386/freebsd.h (NO_PROFILE_COUNTERS): Likewise.
	* config/i386/netbsd-elf.h (NO_PROFILE_COUNTERS): Likewise.
	* config/xtensa/xtensa.h (NO_PROFILE_COUTNERS): Likewise.
	* config/darwin.h (NO_PROFILE_COUNTERS): Likewise.
	* final.c (NO_PROFILE_COUNTERS): Define to 0 if not defined.
	(profile_function): Allow NO_PROFILE_COUNTERS to be non-constant.
	* config/rs6000/rs6000.c (output_profile_hook): Likewise.

	* configure.in (powerpc*-*, s390*-*): Set tls_as_opt.
	Pass it to $gcc_cv_as.
	* configure: Rebuilt.

	* config/rs6000/rs6000.c (rs6000_abi_name): Remove initializer.
	(print_operand): Allow TARGET_AIX to be non-constant.
	(rs6000_aix_emit_builtin_unwind_init, rs6000_emit_eh_toc_restore):
	Define unconditionally.
	(rs6000_elf_declare_function_name): New function.
	* config/rs6000/rs6000.md (eh_return): Allow TARGET_AIX to be
	non-constant.
	* config/rs6000/linux64.h [!RS6000_BI_ARCH] (TARGET_64BIT): Define
	to 1.
	(DEFAULT_ARCH64_P, RS6000_BI_ARCH_P): Define.
	[IN_LIBGCC2] (TARGET_64BIT): Define based on whether __powerpc64__
	is defined.
	(TARGET_AIX): Define to 1 if TARGET_64BIT.
	(PROCESSOR_DEFAULT): Remove.
	(TARGET_RELOCATABLE, RS6000_ABI_NAME, INVALID_64BIT,
	INVALID_32BIT, SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
	[RS6000_BI_ARCH] (OVERRIDE_OPTIONS, ASM_FILE_START): Define.
	(ASM_DEFAULT_SPEC, ASM_SPEC, LINK_OS_LINUX_SPEC): Define for both
	-m32 and -m64.
	(MULTILIB_DEFAULTS): Define.
	(SUBSUBTARGET_EXTRA_SPECS): Define.
	(ASM_SPEC32, ASM_SPEC64, ASM_SPEC_COMMON): Define.
	(TARGET_TOC): Define only if !RS6000_BI_ARCH.
	(TARGET_NO_TOC): Remove.
	[!RS6000_BI_ARCH] (TARGET_RELOCATABLE, TARGET_EABI,
	TARGET_PROTOTYPE): Define to 0.
	(NO_PROFILE_COUNTERS): Define to TARGET_64BIT.
	(PROFILE_HOOK): Only call output_profile_hook if TARGET_64BIT.
	(ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Adjust to work properly
	if !TARGET_64BIT.
	(USER_LABEL_PREFIX): Remove.
	(JUMP_TABLES_IN_TEXT_SECTION): Define to TARGET_64BIT.
	(SETUP_FRAME_ADDRESSES): Only call rs6000_aix_emit_builtin_unwind_init
	if TARGET_64BIT.
	(TARGET_OS_CPP_BUILTINS): Handle both -m32 and -m64.
	(LINK_OS_LINUX_SPEC32, LINK_OS_LINUX_SPEC64): Define.
	(STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Remove.
	(TOC_SECTION_ASM_OP): Define depending on TARGET_64BIT.
	(MINIMAL_TOC_SECTION_ASM_OP): Likewise.
	(SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE): Define depending on
	TARGET_64BIT.
	(RS6000_CALL_GLUE): Likewise.
	(SAVE_FP_PREFIX, SAVE_FP_SUFFIX, RESTORE_FP_PREFIX,
	RESTORE_FP_SUFFIX): Likewise.
	(ASM_DECLARE_FUNCTION_NAME): Remove.
	(ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_SOURCE_LINE,
	DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Only output dot before function
	name if TARGET_64BIT.
	(ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Handle both TARGET_64BIT and
	!TARGET_64BIT.
	(ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Remove undefs.
	(ASM_PREFERRED_EH_DATA_FORMAT): Take TARGET_64BIT into account.
	(DRAFT_V4_STRUCT_RET): Define.
	(SIGNAL_FRAMESIZE): New enum value.
	(MD_FALLBACK_FRAME_STATE_FOR): Define.
	* config/rs6000/default64.h: New file.
	* config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -m32 and -m64
	options.
	(SUBTARGET_OVERRIDE_OPTIONS): If rs6000_abi_name is NULL, set it
	to RS6000_ABI_NAME.  Only disallow mixing of -fPIC with -mcall-aixdesc
	if !TARGET_64BIT.
	[!RS6000_BI_ARCH] (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
	(ASM_DECLARE_FUNCTION_NAME): Use rs6000_elf_declare_function_name
	function.
	(TARGET_OS_SYSV_CPP_BUILTINS): Define.
	(TARGET_OS_CPP_BUILTINS): Use it.
	(CPP_SYSV_SPEC): Remove.
	(CPP_SPEC): Remove cpp_sysv.
	(SUBTARGET_EXTRA_SPECS): Remove cpp_sysv.
	Add SUBSUBTARGET_EXTRA_SPECS.
	(SUBSUBTARGET_EXTRA_SPECS): Define.
	* config/rs6000/biarch64.h: New file.
	* config/rs6000/rs6000-protos.h (rs6000_elf_declare_function_name):
	New prototype.
	* config/rs6000/x-linux64: New file.
	* config/rs6000/t-linux64: Build -m64, -m32 and -m32 -msoft-float
	multilibs.
	* config/rs6000/eabi-ci.asm: Protect with #ifndef __powerpc64__.
	* config/rs6000/eabi-cn.asm: Likewise.
	* config/rs6000/tramp.asm: Likewise.
	* config/rs6000/sol-ci.asm: Likewise.
	* config/rs6000/sol-cn.asm: Likewise.
	* config/rs6000/linux.h (TARGET_64BIT): Define to 0.
	(TARGET_OS_CPP_BUILTINS): Use TARGET_OS_SYSV_CPP_BUILTINS.
	* config/rs6000/ppc-asm.h: Move __powerpc64__ section before
	_CALL_AIXDESC section.
	* config.gcc (powerpc64-*-linux*): Configure a bi-arch compiler,
	defaulting to -m64 unless --with-cpu= is one of the 32-bit CPUs
	or default32.

Co-Authored-By: Alan Modra <amodra@bigpond.net.au>

From-SVN: r67442

From-SVN: r67440

	* builtins.c (dconstpi, dconste): New mathematical constants.
	(init_builtin_dconsts): New function to initialize dconstpi
	and dconste.
	(fold_builtin): Optimize exp(1.0) = e.  Evaluate exp(x) at
	compile time with -ffast-math when x is an integer constant.
	Optimize tan(0.0) = 0.0.  Optimize atan(0.0) = 0.0,
	atan(1.0) = pi/4 and tan(atan(x)) = x with -ffast-math.

	* gcc.dg/builtins-2.c: Add tests for tan(atan(x)).
	* gcc.dg/builtins-3.c: Add tests for tan(0.0) and atan(0.0).
	* gcc.dg/builtins-7.c: Add tests for tan(atan(x)) == x.
	* gcc.dg/builtins-17.c: New test case.
	* gcc.dg/i386-387-4.c: New test case.
	* gcc.c-torture/execute/ieee/mzero4.c: New test case.

From-SVN: r67438

calls.c (expand_call): Avoid calling pure or const functions when the result is ignored (or void) and...


	* calls.c (expand_call): Avoid calling pure or const functions
	when the result is ignored (or void) and none of the arguments
	are volatile.  Move warning diagnostic earlier in function.

From-SVN: r67436

	* system.h: Do not poison TDESC_SECTION_ASM_OP,
	RDATA_SECTION_ASM_OP and SUBTARGET_PROLOGUE.

From-SVN: r67435

	* final.c (asm_fprintf): Update comments, accept "-+ #0" flags,
	optimize '%' case, handle %c, don't accept %p, %e, %f or %g,
	handle %ll, optimize regular character case.

From-SVN: r67434

	* Makefile.in (cse.o): Add params.h dependency.
	* cse.c: Include params.h.
	(PATHLENGTH): Removed.
	(struct cse_basic_block_data): Make path array dynamic.
	(cse_end_of_basic_block): Use PARAM_MAX_CSE_PATH_LENGTH instead of PATHLENGTH.
	(cse_main, cse_basic_block): Allocate path array.
	* params.def (PARAM_MAX_CSE_PATH_LENGTH): New.

From-SVN: r67433

	* i386.c (ix86_reorg): Replace the jump instead of adding nop.
	* i386.md (UNSPEC_REP): New constant.
	(return_internal_long): New pattern.

From-SVN: r67432

	PR optimization/11018
	* config/sparc/sparc.c (sparc_v8plus_shift): Use which_alternative
	consistently to decide whether the scratch register is really
	required.

From-SVN: r67429

	PR optimization/10876
	* config/sparc/sparc.h (CONST_OK_FOR_LETTER): Add
	new 'O' constraint for constant 4096.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
	* config/sparc/sparc.md (adddi3 expander): Canonicalize pattern.
	Do not transform into MINUS insn for constant 4096.
	(*adddi3_sp64 insn): Canonicalize pattern. Add new alternative
	for constant 4096 as third operand.
	(addsi3 expander): Remove.
	(*addsi3 insn): Rename into 'addsi3'. Canonicalize pattern. Add
	new alternative for constant 4096 as third operand.
	(subdi3 expander): Do not transform into PLUS insn for constant 4096.
	(*subdi3_sp64 insn): Add new alternative for constant 4096 as third
	operand.
	(subsi3 expander): Remove.
	(*subsi3 insn): Rename into 'subsi3'. Add new alternative for
	constant 4096 as third operand.
	* doc/md.texi (Machine Constraints): Document new 'O' constraint for
	the SPARC port.

From-SVN: r67426

	CRT_GET_RFIB_TEXT.

From-SVN: r67425

2003-06-03  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/t-linux64 (CRTSTUFF_T_CFLAGS_S): Define.

From-SVN: r67424

	* config/i386/uwin.h: Remove SUBTARGET_PROLOGUE.

	* config/i386/i386.c (ix86_expand_prologue): Do not use
	SUBTARGET_PROLOGUE.

	* system.h: Poision SUBTARGET_PROLOGUE.

	* config/arm/arm-protos.h: Remove unused rdate_section prototype.

	* output.h: Remove TDESC_SECTION_ASM_OP and RDATA_SECTION_ASM_OP
	dependend code.

	* system.h: Poison TDESC_SECTION_ASM_OP and RDATA_SECTION_ASM_OP.

	* system.h: Poison INSN_CACHE_DEPTH, INSN_CACHE_SIZE and
	INSN_CACHE_LINE_WIDTH.

	* libgcc2.c (INSN_CACHE_PLANE_SIZE): Removed.
	(__clear_cache): Remove code dependend on INSN_CACHE_DEPTH,
	INSN_CACHE_SIZE and INSN_CACHE_LINE_WIDTH.

	* doc/tm.texi (Trampolines): Remove INSN_CACHE_DEPTH,
	INSN_CACHE_SIZE and INSN_CACHE_LINE_WIDTH.

	* dbxout.c (dbxout_type): Remove usage of DBX_OUTPUT_ENUM.
	(dbxout_symbol): Remove usage of DBX_OUTPUT_CONSTANT_SYMBOL.
	(dbxout_block): Remove usage of DBX_OUTPUT_CATCH.
	(dbxout_block): Remove usage of DBX_LBRAC_FIRST.
	(dbxout_source_file): Remove usage of DBX_OUTPUT_SOURCE_FILENAME.
	(dbxout_init): Remove test for DBX_WORKING_DIRECTORY.

	* doc/tm.texi (DBX Options): Do not document DBX_LBRAC_FIRST,
	DBX_OUTPUT_SOURCE_FILENAME and DBX_OUTPUT_ENUM and
	DBX_WORKING_DIRECTORY.

	* system.h: Poison DBX_LBRAC_FIRST, DBX_OUTPUT_ENUM,
	DBX_OUTPUT_SOURCE_FILENAME and DBX_WORKING_DIRECTORY.

	* config/frv/frv-protos.h: Remove unused const_section
	declaration.
	* config/vax/vax-protos.h: Likewise.

	* output.h: Remove CONST_SECTION_ASM_OP usage.

	* system.h: Poison CONST_SECTION_ASM_OP.

	* crtstuff.c (__do_global_dtors_aux): Remove usage of CRT_GET_RFIB_TEXT
	(frame_dummy): Likewise.
	* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
	* system.h: Poison CRT_GET_RFIB_TEXT.

From-SVN: r67423

From-SVN: r67422

	* fix-header.c: Remove ADD_MISSING_EXTERN_C dependend variables.
	(write_lbrac): Remove ADD_MISSING_EXTERN_C dependend code.
	(recognized_function): Likewise.
	(read_scan_file): Likewise.

From-SVN: r67421

	* g77spec.c (lang_specific_driver): Remove ALT_LIBM usage.

	* g++spec.c (lang_specific_driver): Remove ALT_LIBM usage.

From-SVN: r67419

optabs.c (expand_binop): Optimize complex multiplication for the case of squaring a complex argument.


	* optabs.c (expand_binop): Optimize complex multiplication for
	the case of squaring a complex argument.

From-SVN: r67418

optabs.c (expand_binop): Attempt to reuse pseudos for duplicate non-volatile operands of binary operations.


	* optabs.c (expand_binop): Attempt to reuse pseudos for duplicate
	non-volatile operands of binary operations.
	(prepare_cmp_insn): Likewise.

From-SVN: r67417

varasm.c (force_const_mem): Handle alignment of constants not representable as a type in the front-end language.


	* varasm.c (force_const_mem): Handle alignment of constants not
	representable as a type in the front-end language.

From-SVN: r67416

From-SVN: r67415

2003-06-03  Jason Merrill  <jason@redhat.com>

	* cp/cp-tree.h (CP_AGGREGATE_TYPE_P): Accept vectors.

	* cp/decl.c (reshape_init): Handle vectors.

	* testsuite/g++.dg/init/array10.C: New.

From-SVN: r67414

From-SVN: r67412

	* flow.c (initialize_uninitialized_subregs): Use
	emit_move_insn instead of emitting a hardcoded move.

From-SVN: r67409

From-SVN: r67407

        PR ada/9953:
        * 5hsystem.ads: Remove pragma Linker_Option for pthreads library,
        and turn ZCX_By_Default back to False since the underlying support
        is not quite there yet.

From-SVN: r67406

2003-06-04  Olivier Hainque  <hainque@act-europe.fr>

	PR ada/9953:
	* 5hsystem.ads: Remove pragma Linker_Option for pthreads library,
	and turn ZCX_By_Default back to False, since the underlying support
	is not quite there yet.

From-SVN: r67405

        * optabs.c (expand_abs_nojump): Split out from ...
        (expand_abs): ... here.
        * optabs.h (expand_abs_nojump): Declare.
        * ifcvt.c: (noce_try_abs): Use expand_abs_nojump.
        * Makefile.in (ifcvt.o): Depend on optabs.h.

From-SVN: r67404