* unroll.c (verify_addresses): Remove.
        (find_splittable_givs): Never split DEST_ADDR givs.

From-SVN: r55858

	* doc/gty.texi (GGC Roots): Clarify that the list of syntaxes
	is exhaustive.
	(Files): Improve documentation on generated source files.

	* doc/extend.texi (Translation implementation): Document what
	diagnostics look like.
	(Identifiers implementation): Document that there's normally no
	limit on identifier names.
	(Integers implementation): Document two's complement.
	(Hints implementation): Document that GCC honours 'inline', mostly.
	(Preprocessing directives implementation): Document that GCC
	requires the current time.

From-SVN: r55857

2002-07-30  Gabriel Dos Reis  <gdr@nerim.net>

	* c-pretty-print.h (struct c_pretty_print_info): Add new member.
	(pp_initializer): New macro.
	(pp_c_initializer): Declare.
	* c-pretty-print.c (pp_c_primary_expression): HAndle TARGET_EXPR.
	(pp_c_initializer): Define.
	(pp_c_initializer_list): New function.
	(pp_c_postfix_expression): Handle ABS_EXPR, COMPLEX_CST,
	VECTOR_CST, CONSTRUCTOR.
	(pp_c_unary_expression): Handle CONJ_EXPR, REALPART_EXPR,
	IMAGPART_EXPR.
	(pp_c_cast_expression): Handle FLOAT_EXPR.
	(pp_c_assignment_expression): Handle INIT_EXPR.
	(pp_c_expression): Update.

From-SVN: r55856

	* sysdep/powerpc/locks.h: Formatting.
	(_LARX): Define.
	(_STCX): Define.
	(compare_and_swap): Use _LARX and _STCX.
	(compare_and_swap_release): Likewise.

From-SVN: r55855

	* config/cpu/powerpc/cpu_limits.h (__glibcpp_long_bits): Define.
	* configure.target (cpu_include_dir): Use cpu/powerpc for powerpc64.
	* config/cpu/powerpc/atomicity.h (__always_swap): Remove.
	(__test_and_set): Remove.
	(_STWCX): Define and use.

From-SVN: r55854

	* objc/objc-act.c (objc_init): Return immediately if filename
	is NULL.

From-SVN: r55853

2002-07-29  Eric Christopher  <echristo@redhat.com>

       	* config/mips/elf.h: Remove ecoff.h and gofast includes.
        (DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO): Define unconditionally.
        (SDB_DEBUGGING_INFO): Undefine.
        (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
	(PUT_SDB_SIZE): Remove.
	(SUBTARGET_ASM_DEBUGGING_SPEC): Redefine.
       	(STARTFILE_SPEC): Add isa3264 define.
       	* config/mips/elf64.h: Ditto.  Move TARGET_MEM_FUNCTIONS from here...
       	* config/mips/ecoff.h: Remove. and here...
       	* config/mips/iris3.h: and here...
       	* config/mips/sni-svr4.h: and here...
       	* config/mips/mips.h: To here. Remove OBJECT_FORMAT_ROSE ifdefs.
	Add assembler -mmdebug options for non-dwarf debugging.
	* config/mips/r3900.h: Remove debug info defines.
       	* config/mips/isa32-linux.h: Remove, move functionality to config.gcc.
       	* config/mips/isa3264.h: Ditto.
       	* config/mips/t-isa3264: Fix up for file removal and gofast configure
       	change.
       	* config/mips/t-elf: Ditto.
       	* config/mips/t-ecoff: Ditto.
       	* config/mips/t-r3900: Ditto.
       	* config/mips/t-iris5-6: Ditto.
       	* config/mips/t-isa3264: Ditto.
       	* config/mips/t-linux: Remove.
       	* config/mips/t-netbsd: Remove.
       	* config/mips/t-mips: New file.
       	* config/mips/t-gofast: Ditto.
       	* config/mips/netbsd.h: Remove unnecessary undefines.
       	* config/mips/linux.h: Remove #include of mips.h.
       	* config.gcc: Add mips.h include for elf targets. Remove tm_file
       	for ecoff. Add gofast configure option for mips.

From-SVN: r55852

configure.in (mips*-*-*): Add a test to see if MIPS libgloss linker scripts use STARTUP directives...

2002-07-29  Chris Demetriou  <cgd@broadcom.com>

        * configure.in (mips*-*-*): Add a test to see if MIPS libgloss
        linker scripts use STARTUP directives consistently.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/mips/elf.h (STARTFILE_SPEC): Define conditionally, based
        on whether HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES is defined.
        * config/mips/elf64.h (STARTFILE_SPEC): Likewise.
        * config/mips/isa3264.h (STARTFILE_SPEC): Do not redefine if
        HAVE_MIPS_LIBGLOSS_STARTUP_DIRECTIVES is set; the result
        will be the same.

From-SVN: r55851

From-SVN: r55850

2002-07-29  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/rs6000.h (RTX_COSTS): Add MULT case for 8540.

From-SVN: r55849

2002-07-29  Aldy Hernandez  <aldy@quesejoda.com>

	* config/rs6000/rs6000.md: Move altivec patterns from here...

	* config/rs6000/altivec.md: ...to here.

From-SVN: r55848

2002-07-29  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/spe.md ("spe_evmra"): Change to unspec.

From-SVN: r55847

emit-rtl.c (set_mem_attributes_minus_bitpos): Rename from set_mem_attributes and add BITPOS argument.

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Rename from
        set_mem_attributes and add BITPOS argument.  Subtract it from
        OFFSET when same is adjusted.
        (set_mem_attributes): New wrapper function.
        * expr.c (expand_assignment): Use set_mem_attributes_minus_bitpos;
        remove offset adjustment hack.
        * expr.h (set_mem_attributes_minus_bitpos): Declare.

From-SVN: r55846

2002-07-29  Gabriel Dos Reis  <gdr@nerim.net>

	* Makefile.in (C_OBJS): Include c-pretty-print.o
	(c-pretty-print.o): Add depency rule.
	* pretty-print.h: Add more macros.
	* c-pretty-print.c: New file.
	* c-pretty-print.h: Likewise.

cp/

2002-07-29  Gabriel Dos Reis  <gdr@nerim.net>

	* Make-lang.in (CXX_C_OBJS): Include.

From-SVN: r55845

2002-07-29  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/spe.h (__internal_ev_mwhgumian): Cast vector
	constants to __ev64_s32__.
	(__internal_ev_mwhgsmian): Same.
	(__internal_ev_mwhgsmfan): Same.
	(__internal_ev_mwhgssfan): Same.
	(__internal_ev_mwhgumiaa): Same.
	(__internal_ev_mwhgsmiaa): Same.
	(__internal_ev_mwhgsmfaa): Same.
	(__internal_ev_mwhgssfaa): Same.

From-SVN: r55844

        * varasm.c (assemble_variable): Narrow test for uninitialized
        without BSS target support.

From-SVN: r55843

	* profile.c: Add file comment describing the overall algorithm and
	structures.
	(struct edge_info): Add comments.
	(struct bb_info): Add comments.
	* basic-block.h (EDGE_*): Add comments.
	* doc/gcov.texi (Gcov Data Files): Document bit flags.

From-SVN: r55842

        (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Remove.
        * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define.
        (CPP_SPEC): Remove.

From-SVN: r55840

	* gensupport.c: Include hashtab.h.
	(insn_elision, condition_table, hash_c_test, cmp_c_test,
	maybe_eval_c_test): New routines and data structures to
	support insn elision.
	(init_md_reader): Read and initialize the condition_table.
	(read_md_rtx): Discard insn patterns whose C test is provably
	always false.
	* gensupport.h: Declare new functions and data structures.

	* genconditions.c, dummy-conditions.c: New files.
	* Makefile.in: Build genconditions; run it to construct
	insn-conditions.c; build that and link it into most gen*
	programs.
	(HOST_SUPPORT, HOST_EARLY_SUPPORT): New variables.
	(GEN): Delete, unused.
	(STAGESTUFF): Update.

	* gencodes.c: (gen_insn): #define CODE_FOR_xxx equal to
	CODE_FOR_nothing for all elided patterns.
	(main): Tweaked to support this.
	* genflags.c (gen_proto): Emit a static inline generator
	function here for all elided patterns, which simply returns
	NULL_RTX.
	(gen_insn): Do not define HAVE_xxx for elided patterns.
	(main): Tweaked to support this.  No need to forward-declare
	struct rtx_def.
	* genrecog.c: Do not bother emitting the C test if it's known
	to be true at compile time.

From-SVN: r55839

	* config.gcc (target_gtfiles): Initialize, as otherwise cross compilers hosted on
	powerpc-apple-darwin6.0 won't even build.

From-SVN: r55838

From-SVN: r55837

* arm.md (sibcall, sibcall_value): Add RETURN as part of the pattern,
remove clobber of LR.
(sibcall_insn, sibcall_value_insn): Update accordingly.
(sibcall_epilogue): Remove debugging comment from assembler stream.

From-SVN: r55836

From-SVN: r55835

* spew.c (space_for_token): Allocate zeroed memory for a new token
chunk.

From-SVN: r55834

	* pretty-print.h: Define more macros.
	* diagnostic.h (output_formatted_integer): Moved from...
	* diagnostic.c: ... here.

From-SVN: r55833

From-SVN: r55832

[[Split portion of a mixed commit.]]

From-SVN: r55831.3

	* gcc_release: Update comment.

	* snapshot-README: Snapshots are taken from GCC 3.2 branch.

From-SVN: r55825

From-SVN: r55824

From-SVN: r55822

	* defaults.h (ASM_OUTPUT_MEASURED_SIZE): Take only two
	arguments.  Always use ".-symbol" as expression argument.
	* doc/tm.texi: Update to match.  Document requirement for
	".size symbol, .-symbol" to be acceptable to assembler.

	* config/elfos.h, config/netbsd-aout.h, config/openbsd.h,
	config/arm/elf.h, config/avr/avr.h, config/cris/aout.h,
	config/i386/freebsd-aout.h, config/i386/sco5.h,
	config/ip2k/ip2k.h, config/m88k/m88k.h, config/xtensa/elf.h,
	config/xtensa/linux.h:  Update uses of ASM_OUTPUT_MEASURED_SIZE.

From-SVN: r55820

From-SVN: r55818

From-SVN: r55817

	* alpha/freebsd.h (TARGET_OS_CPP_BUILTINS): Add missing
	backslash.

From-SVN: r55816

	* Makefile.in (vmsdbgout.o): Depend on function.h.

	* vmsdbgout.c: Include function.h.

From-SVN: r55815

prefix.c (update_path): Don't strip single `.' path components unless stripping a later `..' component.

	* prefix.c (update_path): Don't strip single `.' path components
	unless stripping a later `..' component.  Exit loop as soon as
	a valid path is found.

From-SVN: r55814

From-SVN: r55813

	* builtins.def [DEF_GCC_BUILTIN]: Require an explicit ATTRS
	argument.  Mark BUILT_IN_RETURN, BUILT_IN_EH_RETURN,
	BUILT_IN_LONGJMP and BUILT_IN_TRAP as noreturn, the ISO C99
	floating point unordered comparisons (e.g. __builtin_isgreater)
	as const, and leave the remaining GCC_BUILTINs unchanged.

	* c-decl.c (builtin_function): No need to explicitly mark
	BUILT_IN_RETURN and BUILT_IN_EH_RETURN as noreturn.

	* cp/decl.c (builtin_function_1): No need to explicitly mark
	BUILT_IN_RETURN and BUILT_IN_EH_RETURN as noreturn.

From-SVN: r55805

	* Makefile.in: rtlanal.o now depends upon real.h.

	* flags.h [flag_signaling_nans]: New flag.
	[HONOR_SNANS]: New macro.

	* toplev.c [flag_signaling_nans]: Initialize to false.
        (f_options): Add processing for "-fsignaling-nans".
	(set_fast_math_flags): Clear flag_signaling_nans with -ffast-math.
	(process_options): flag_signaling_nans implies flag_trapping_math.

	* c-common.c (cb_register_builtins): Define __SUPPORT_SNAN__
	when -fsignaling-nans.  First step to implementing WG14's N965.

	* fold-const.c (fold) [MULT_EXPR]: Conditionalize transforming
	1.0 * x into x, and -1.0 * x into -x on !HONOR_SNANS.
	[RDIV_EXPR]: Conditionalize x/1.0 into x on !HONOR_SNANS.

	* simplify-rtx.c (simplify_relational_operation): Conditionalize
	transforming abs(x) < 0.0 into false on !HONOR_SNANS.

	* rtlanal.c: #include real.c for TARGET_FLOAT_FORMAT definitions
	required by HONOR_SNANS.  (may_trap_p): Floating point DIV, MOD,
	UDIV, UMOD, GE, GT, LE, LT and COMPARE may always trap with
	-fsignaling_nans.  EQ and NE only trap for flag_signaling_nans
	not flag_trapping_math (i.e. HONOR_SNANS but not HONOR_NANS).

	* doc/invoke.texi: Document new -fsignaling-nans compiler option.

From-SVN: r55804

	* Makefile.in (gengtype-lex.c): Work around a bug in flex.
	* gengtype-lex.l (YY_USE_PROTOS): Undef.
	(YY_DECL): Define.

From-SVN: r55803