
Wed Mar 10 19:56:20 1999  Jeff Johnston  <jjohnstn@cygnus.com>

	* config/d10v/d10v.h (LIB_SPEC): Added -lnosys to default libraries
	to include stubs for OS routines not provided by newlib.

1999-02-25  Jim Lemke  <jlemke@cygnus.com>
          
        * config/rs6000/sysv4.h: Add -mmpc860c0[=num] option.
        * invoke.texi: Add -mmpc860c0[=num] option.

Mon Mar  1 17:14:25 1999  Jim Wilson  <wilson@cygnus.com>

	* flow.c (merge_blocks): Disable when flag_exceptions is true.

Wed Feb 10 18:22:55 1999  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* config/rs6000/rs6000_output_load_toc_table: Fix the bug (comma
 	usage).

Fri Feb  5 16:21:01 1999  Michael Meissner  <meissner@cygnus.com>

	* system.h (abort): Add missing comma to error message so filename
	is not part of the format string.

	* rs6000.md (movdf_hardfloat32): Add support for non offsetable
	load of fp value into integer register support.

Fri Feb  5 14:26:48 1999  Michael Meissner  <meissner@cygnus.com>

	* config/rs6000/rs6000.h (TARGET_OPTIONS): Add -mbranch-cost=n
        support.
	(BRANCH_COST): Ditto.
	(rs6000_branch_cost{,_string}): New externals for altering branch
	costs.

	* config/rs6000/rs6000.c (rs6000_branch_cost{,_string}): New
        externals for altering branch costs.
        (rs6000_override_options): Add support for -mbranch-cost=n.

	* invoke.texi (-mbranch-cost=n): New option description.
	
Fri Feb  5 13:28:55 1999  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* invoke.texi (-m{no-}sched-{epilog,prolog}): New options
 	documentations

	* config/rs6000/rs6000.md (prologue, epilogue,
 	move{si,di}_{from,to}_cr, load{si,di}_svr4_relocatable_toc,
 	loadsi_svr4_toc, load{si,di}_nonsvr4_toc): New define_expand and
 	define_insn for scheduling prologue/epilogue.
	
	* config/rs6000/rs6000.h (MASK_SCHED_PROLOG,
        MASK_SCHED_EPILOG, TARGET_SCHED_PROLOG, TARGET_SCHED_EPILOG):
        New macros for new options.
        (TARGET_SWITCHES): Add new options description for scheduling
        prologue/epilogue.
        (rs6000_expand_prologue, rs6000_expand_epilogue): New
        functions defintion.

	* config/rs6000/rs6000.c (rs6000_expand_prologue,
        rs6000_expand_epilogue, rs6000_output_prolog,
        rs6000_output_epilog): New functions for scheduling
        prologue/epilogue.

        (rs6000_output_load_toc_table, rs6000_allocate_stack_space,
        output_prolog, output_epilog): New cygnus local function
        implementations.

Fri Feb  5 13:12:13 1999  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* Makefile.in (check-consistency): New makefile entry for
	GCC compilers consistency testing.

Thu Feb  4 10:08:11 1999  Jeffrey A Law  (law@cygnus.com)

	* mn10300.h (CPP_SPEC): Define __AM33__ when in am33 mode.

Wed Feb  3 13:22:11 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.md (height reduction patterns): Add missing earlyclobbers for
	case where the pattern is not split before regalloc.

Tue Feb  2 20:29:34 1999  Catherine Moore  <clm@cygnus.com>

	* configure.in (arm-*-oabi):  Support.
        (thumb-*-oabi):  Support.
	* configure:  Regenerate.
	* config/arm/telf-oabi.h:  New file.
	* config/arm/telf.h (ASM_OUTPUT_DWARF2_ADDR_CONST):
	Don't use user_label_prefix.
	* config/arm/thumb.h (ASM_SPEC):  Conditionally define.
	* config/arm/unknown-elf-oabi.h:  New file.

Mon Feb  1 15:05:57 1999  Dave Brolley  <brolley@cygnus.com>

	* cppfiles.c (find_include_file): Use open_include_file_name instead
	of calling open directly.

Mon Feb  1 11:39:25 1999  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md: Add attribute 'delay_type'.
	Add delay slot specification.
	Add delay_type attributes to insns with non default type.
	Enable multiplication patterns: mulsidi3 umulsidi3 mulsihi3
	umulsihi3 mulsi3
	Add delayed branch print operands.

	* config/fr30/fr30.c (fr30_print_operand): Add codes '#' and 'p'
	to handle delayed branched and hi/lo register pair respectively. 

	* config/fr30/fr30.h (PRINT_OPERAND_PUNCT_VALID_P): Define for
	'#'.
	(DWARF_LINE_MIN_INSTR_LENGTH): Set to 2.

	* config/fr30/t-fr30 (LIB1ASMFUNCS): Remove _mulsi3.
	* config/fr30/lib1funcs.asm: Remove mulsi3 function.

1999-01-31  Michael Meissner  <meissner@cygnus.com>

	* config/rs6000/t-vxworks: New file to suppress building libc
	routines under VxWorks.

	* configure (powerpcle-wrs-vxworks): Add new configuration.
	(powerpc{,le}-*-vxworks*): Include rs6000/t-vxworks.

	* config/rs6000/vxppc.h ({CPP,LIB,LINK,STARTFILE,ENDFILE}_SPEC,
	CPP_PREDEFINES): Remove definitions.
	({CPP_OS_DEFAULT,LIB_DEFAULT,STARTFILE_DEFAULT,ENDFILE_DEFAULT,
	LINK_START_DEFAULT,LINK_OS_DEFAULT,CPP_ENDIAN_BIG,
	CPP_ENDIAN_LITTLE}_SPEC, CPP_PREDEFINES): Define.

	* config/rs6000/vxppcle.h: New little endian VxWorks support file.

	* invoke.texi (-mvxworks): Document.

	* config/rs6000/sysv4.h (CPP_OS_VXWORKS_SPEC): Define CPU_FAMILY
	as PPC and define CPU.
	(TARGET_SWITCHES): Add -mvxworks switch to control whether or not
	the target is VxWorks.  If EXTRA_SUBTARGET_SWITCHES is defined, it
	provides additional switches from a subtarget that includes
	sysv4.h.
	(SUBTARGET_EXTRA_SPECS, *_SPEC): Add -mvxwork support.
	(USER_LABEL_PREFIX): Undef before including svr4.h.
	(ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf to get the current
	user prefix in front of the name.
	(ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf to get the
	current internal label prefix in front of the name.
	(ASM_OUTPUT_LABELREF): Ditto.
	({USER_LABEL,LOCAL_LABEL,REGISTER,IMMEDIATE}_PREFIX): Define.
	(SUBTARGET_OVERRIDE_OPTIONS): Don't set rs6000_wchar_type{,_size}.
	(RELATIVE_PREFIX_NOT_LINKDIR): Disable AIX specific support.
	(WCHAR_*): Set wchar_t to be an int as per standard, not unsigned
	short.
	(CPP_SYSV_SPEC): Define _SOFT_FLOAT on machines that use software
	floating point.
	(CC1_SPEC, LINK_TARGET_SPEC): Fix typos.

	* config/rs6000/eabi-ci.asm (___{C,D}TOR_LIST__): Add
	-fleading-underscore support.

	* config/rs6000/eabi-cn.asm (___{C,D}TOR_END__): Ditto.

	* config/rs6000/eabi.asm (__eabi): Don't use FUNC_START/FUNC_END,
	always use __eabi, even for libraries compiled with
	-fleading-underscore.

	* ginclude/ppc-asm.h (FUNC_START): Make sure label for function
	start uses FUNC_NAME.
	(FUNC_{START,END,NAME}): Prepend the macro __USER_LABEL_PREFIX__
	into function names.

	* config/rs6000/t-ppcgas (MULTILIB_{OPTIONS,DIRNAMES}): Add new
	multilibs that use -fleading-underscore.

	* config/rs6000/rs6000.c (rs6000_wchar_type{,_size}): Remove,
	variables are no longer used.

	* config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Explicitly pass
	-oformat elf32-powerpcle if -mcall-i960-old.

1999-01-31  Michael Meissner  <meissner@cygnus.com>

	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Add
	support for -mcall-i960-old.  The -mcall-i960-old option now sets
	-mno-bit-word.  If -mcall-i960-old, make wchar_t be an int.
	(WCHAR_TYPE{,_SIZE}): If -mcall-i960-old, make wchar_t be an int.
	(CPP_SYSV_SPEC): Ditto
	(NO_BUILTIN_WCHAR_TYPE): Define, wchar_t is a variable type.
	(rs6000_wchar_type{,_size}): New globals to hold type string and
	size for wchar_t.
	(ASM_SPEC): If -mcall-i960-old, pass -mlittle.
	(TARGET_FLAGS): Add -m{,no-}bit-word to control whether bitfields
	can cross word boundaries or not, independent of whether they
	cause the structure to take on the base type's alignment.
	(BITFIELD_NBYTES_LIMITED): Depend on whether -m{,no-}bit-word was
	passed.

	* config/rs6000/rs6000.c (rs6000_wchar_type{,_size}): Provide
	externals if NO_BUILTIN_WCHAR_TYPE is defined.

	* cccp.c (toplevel): If NO_BUILTIN_WCHAR_TYPE is defined, do not
	define wide char support.
	(main): Ditto.
	(special_symbol): Ditto.
	(initialize_builtins): Ditto.

	* cpplib.c (toplevel): If NO_BUILTIN_WCHAR_TYPE is defined, do not
	define wide char support.
	(special_symbol): Ditto.
	(initialize_builtins): Ditto.

	* config/rs6000/t-ppcgas (MULTILIB_*): Add multilib for
	-mcall-i960-old.
	
	* invoke.texi (-mcall-960-old, -m(no-)bit-word): New options
	description.
	
Sat Jan 30 19:40:16 1999  Jim Wilson  <wilson@cygnus.com>

	* fold-const.c (fold): Don't pass MINUS_EXPR to
	reduce_expression_tree_depth.

Thu Jan 28 01:08:31 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (find_related): Check if a register belonging to a set
	of related values is clobbered in an insn where it is also used.
	(optimize_related_values_1): Handle REG_UNUSED notes.
	(optimize_related_values): Likewise.

Tue Jan 26 12:42:06 1999  Jim Wilson  <wilson@cygnus.com>

	* flow.c (merge_blocks):  Don't call squeeze_notes if start == end.

1999-01-25  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Add description of backend's
	responsibility to fill unfilled delay slots with NOPs.

Fri Jan 22 07:50:33 1999  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (DRIVER_DEFINES): Fix accidental breakage of
	TOOLDIR_BASE_PREFIX.

Thu Jan 21 18:11:27 1999  Richard Henderson  <rth@cygnus.com>

	* expr.c (emit_push_insn): Fix typo.

Thu Jan 21 02:54:27 1999  Jeffrey A Law  (law@cygnus.com)

	* lcm.c (pre_lcm, pre_rev_lcm): Update comments to reflect reality.

	* flow.c (merge_blocks): When searching for EH notes in a block,
	quit when we hit the end of the block.  Don't merge with the
	exit block if the predecessor has an EH note.  Also leave any
	CODE_LABEL in its original position when merging with the exit
	block.
	
Wed Jan 20 15:30:00 1999  Dave Brolley  <brolley@cygnus.com>

	* configure.in: Turn on --enable-c-mchar by default.
	* configure: Regenerate.

Tue Jan 19 05:40:26 1999  Jeffrey A Law  (law@cygnus.com)

	* flow.c (merge_blocks): Don't merge a block with the epilogue if
	the block consists of just a JUMP_INSN.

	* flow.c (merge_blocks): Allow limited merging with the last basic
	block.

	* Makefile.in (libgcc2.a, LIB2FUNCS_EH): Remove -O0.  Resyncs code
	with net version.

Sat Jan 16 01:06:16 1999  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (mem_set_in_block): Deleted.
	(mem_first_set, mem_last_set): Deleted.
	(modify_mem_list): New variable.
	(mems_conflict_for_gcse_p): New function.
	(gcse_mems_conflict_p, gcse_mem_operand): New variables.
	(load_killed_in_block_p): New function.
	(oprs_unchanged_p): Use load_killed_in_block_p.
	(oprs_not_set_p, expr_killed_p): Likewise.
	(compute_transp): Do not pessimize memory references.
	(record_last_mem_set_info): Keep a list of all instructions which
	can modify memory for each basic block.
	(mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
	(gcse_main): Initialize & finalize alias analysis.
	(alloc_gcse_mem): Allocate space for modify_mem_list array.
	(free_gcse_mem): Free the modify_mem_list array.
	(compute_hash_table): Clear modify_mem_list.
	(reset_opr_set_tables): Likewise.

	* gcse.c (invalidate_nonnull_info): Remove unused variables.

	* pa.h (EXTRA_CONSTRAINT): Handle 'S'.

	* pa.md (fused multiply): Add variants which reduce height for the
	fused multiply, but which still generate 2 insns.
	(fnegabs): Similarly.

	* pa.md (return, return_internal): Use bve for PA2.0.

	* pa.md (subsi3): Turn into an expander.  Create two anonymous
	patterns.  One for PA2.0 one for PA1.x.  Use mtsarcm for PA2.0.

1999-01-15  Brendan Kehoe  <brendan@cygnus.com>

	* system.h (abort): Adjust where to report bugs as a cygnus-local
	change.

Fri Jan 15 10:40:37 1999  Nick Clifton  <nickc@cygnus.com>

	* configure.in: Remove inclusion of libgloss.h from fr30 target as
	it is no longer needed.
	* configure: Regenerate.

1999-01-14  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* config/i960/i960.h (TARGET_FLAG_MOVE_COALESCENCE,
	TARGET_MOVE_COALESCENCE, and TARGET_SWITCHES): Definitions for new
	options `-mmove-coalescence' and `-mno-move-coalescence'.
	(INIT_EXPANDERS, init_expanders): Definitions for i960 insn
	expanders.

	* config/i960/i960.c (i960_const0_r12r13, i960_const0_r12r15): New
	static variables for making move coalescence.
	(machine_function): New structure describing machine status for
	expanders.
	(i960_save_machine_status, i960_restore_machine_status,
	i960_init_expanders): New functions for work with machine status.
	(emit_move_sequence, i960_output_move_double_zero,
	i960_output_move_quad_zero): New code for coalescing move
	instructions.

	* invoke.texi (-mmove-coalescence, -mno-move-coalescence): New
	options description.
	
1999-01-13  Nick Clifton  <nickc@cygnus.com>

	* ginclude/va-fr30.h (va_arg): Handle structures specially.
	(va_aggregate_p): New macro: Detect structures based on their
	type.

	* config/fr30/fr30.h: (MUST_PASS_IN_STACK): Define:  All
	structures must now be passed on the stack.
	(DEFAULT_PCC_STRUCT_RETUR): Define.

Mon Jan 11 11:42:07 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.md: Add real PA8000 scheduling information.

	* pa.c (adjust_cost): No cost adjustments needed for PA8000.
	(following_call): Always return zero for the PA8000.

	* pa.h (REG_ALLOC_ORDER): Rework.

1999-01-11  Nick Clifton  <nickc@cygnus.com>

	* configure.in: Add extra_parts for FR30 target to build C++
	contructor and destructor code.
	* configure: Regenerate.
	* config/fr30/t-fr30: Add rules to build crti.o and crtn.o.
	* config/fr30/fr30.h (STARTFILE_SPEC): Add crti.o and crtbegin.o.
	(ENDFILE_SPEC): Add crtend.o and crtn.o.
	* config/fr30/crti.asm: New file:  Stack frame creation code for
	.init amd .fini sections.
	* config/fr30/crtn.asm: New file:  Stack frame removal code for
	.init and .fini sections. 

Sun Jan 10 16:58:23 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.h (HAVE_PRE_INCREMENT): Disable on the PA8000, except for
	prologue/epilogue sequences.
	(HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
	HAVE_POST_DECREMENT): Likewise.

	* pa-hpux10.h, pa-hpux11.h (ASM_FILE_START): Fix minor logic error.

	* pa.h (ISSUE_RATE): Refine for the PA8000.

Thu Dec 31 16:03:59 1998  Michael Meissner  <meissner@cygnus.com>

	* d10v.c ({gpr,accum}_operand): Rewrite December 17th change to
	work better during the reload phase if we have run out of
	registers.
	(reg_or_0_operand): Call gpr_operand for non-integer constants.
	(arith16_operand): Ditto.
	(arith_4bit_operand): Ditto.
	(arith_nonnegative_operand): Ditto.
	(arith32_operand): Ditto.
	(arith64_operand): Ditto.
	(arith_lower0_operand): Ditto.

1998-12-24  Gavin Romig-Koch <gavin@cygnus.com>

	* config/mips/mips.c (override_options): For TARGET_MIPS16 force
	mips_align_loops to 0.

1998-12-23  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.h (FUNCTION_PROFILER): Define.

	* config/arm/arm.c (arm_asm_output_label): Use variable
	'user_label_prefix' rather than macro USER_LABEL_PREFIX.

	* config/arm/t-thumb-elf: Add multilib option for leading
	underscores.

	* config/arm/telf.h (USER_LABEL_PREFIX): Default to no leading 
        underscore.
	(ASM_OUTPUT_DWARF2_ADDR_CONST): Use variable 'user_label_prefix'
        rather than macro USER_LABEL_PREFIX.

Wed Dec 23 10:03:26 1998  Michael Tiemann  <tiemann@holodeck.cygnus.com>

	* config/generic/generic.h: Remove space before paren in
	LOAD_EXTEND_OP macro.

1998-12-18  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Remove contraints from the
	define_expand versions of negsi and one_cmpl.

Fri Dec 18 12:09:17 1998  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md: Fix define_expands that were using
	constraints to work without constraints, since they are not
	supported.

1998-12-18  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/lib1funcs.asm: Only use 32 division operations, not 33.

1998-12-17  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/lib1funcs.asm: Use macro to generate body of divide
	and modulo functions.

1998-12-17  Michael Meissner  <meissner@cygnus.com>

	* d10v.c ({gpr,accum}_operand): Always check whether a hard
	register is valid, instead of just passing the buck to
	register_operand before the reload pass.

1998-12-17  Gavin Romig-Koch <gavin@cygnus.com>

	* config/mips/abi64.h (LONG_MAX_SPEC): Handle -mabi=eabi.

1998-12-16  Nick Clifton  <nickc@cygnus.com>

	* ginclude/va-fr30.h (va_arg): Fix definition to work with small
	types and irregularly sized types.

	* config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Use a frame pointer
	for varags functions.
	(FUNCTION_ARGS): Also check MUST_PASS_IN_STACK().
	(FUNCTION_ARGS_PASS_BY_REFERENCE): Define.
	
	* config/fr30/fr30.c (fr30_num_arg_regs): Return 0 if the type
	satisifies MUST_PASS_IN_STACK().
	
	* config/fr30/fr30.md (enter_func): Fix pattern to match real
	behaviour of the insn.
	
Tue Dec 15 14:09:40 1998  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Add comments for required patterns
	plus how to use a fixed condition code register.

1998-12-15  Gavin Romig-Koch  <gavin@cygnus.com>

	* config/mips/mips.h (GAS_ASM_SPEC): Pass mabi to gas.
	(ABI_GAS_ASM_SPEC,abi_gas_asm_spec): New.
	(EXTRA_SPECS): Added ABI_GAS_ASM_SPEC,abi_gas_asm_spec.

Mon Dec 14 19:22:58 1998  Jim Wilson  <wilson@cygnus.com>

	* d30v/d30v.c (move_input_operand, move_output_operand): Accept
	ADDRESSOF as valid memory operand address.

1998-12-14  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.c (print_operand): Fix LTU and GEU opcodes.
	(print_operand): Add 'A' operator to print a signed byte value as
	an unsigned byte value.
	(fr30_notice_update_cc): Function removed.

	* config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Define.
	(TRAMPOLINE_SIZE): Define.
	(INITIALIZE_TRAMPOLINE): Define.
	(NOTICE_UPDATE_CC): Undefine.

	* config/fr30/fr30.md: Switch over from using cc0 to using reg 16
	as a fixed condition code register.
	Remove the "cc" attribute.
	(movqi_internal): Use 'A' operator to get an unsigned version of a
	signed byte value. 
	
Mon Dec 14 17:08:17 1998  Jim Wilson  <wilson@cygnus.com>

	* regmove.c (REL_USE_HASH): Use unsigned HOST_WIDE_INT instead of
	unsigned.

1998-12-13  Nick Clifton  <nickc@cygnus.com>

	* configure.in: Add inclusion of libgloss.h

	* config/generic/generic.md (movsi_internal): Improve defintion to
	include multiple alternatives and add comment explaining why this
	is desireable.

	* config/fr30/fr30.h (STARTING_FRAME_OFFSET): Change value to 0.

	* config/fr30/fr30.md (movqi_internal): Accept any integer value,
	not just QI values.
	(call): Only allows MEMs in REGs.

	* config/fr30/fr30.c (fr30_function_args_partial_nregs): Fix to
	work properly.
	
1998-12-12  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/lib1funcs.asm: Fix divide routines.
	* config/fr30/fr30.h: Rework frame pointer elimination.
	* config/fr30/fr30.c: Rework frame pointer elimination.
	* config/fr30/fr30.md: Rework use of cc0.

1998-12-11  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Do not use memory_operand() to test
	for memory references when performing a define_expand() as it will
	miss invalid memory constructs.
	
	* config/fr30/fr30.md: Force MEMs for Qi and HI mode moves to be
	loaded into a reg.
	Check peephole conversions of push and pop sequences to make sure
	that the registers are in ascending order.

	* config/fr30/fr30.c (fr30_check_multiple_regs): New function -
	Check registers are in ascending order.
	
	* config/fr30/fr30.h (ENDFILE_SPEC): Add link with simulator library.
	Add prototype for fr30_check_multiple_regs().
	
	* config/fr30/lib1funcs.asm: Basic implemenation of divide and
	modulo funcitons.
	
1998-12-10  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md: Add pattern for "enter" insn.
	* config/fr30/fr30.c: Use enter insns as part of function
	prologue. 

	* config/generic/generic.c (generic_setup_incoming_varargs): New
	stub function.
	* config/generic/generic.h: (SETUP_INCOMING_VARARGS): Define.

	* config/fr30/t-fr30: Remove _negsi2 and _one_cmplsi2 functions.
	* config/fr30/lib1funcs.asm: Remove stubs for negsi2 and
	one_cmplsi2.  Make other stubs generate an abort.

	* config/fr30/fr30.h: Create a new fake hard register for the
	argument pointer.
	(INITIAL_ELIMINATION_OFFSET): Fix to cope with Fr30 frame layout.
	(SETUP_INCOMING_VARARGS): Define to call fr30_steup_incoming_varargs().
	(STRICT_ARGUMENT_NAMING); Define as false.
	(PREDICATE_CODES): Add low_register_operand().

	* config/fr30/fr30.md: Add peephole for va_arg() load insns.  Not
	working yet.
	Add peepholes for pushing low registers.
	Add patterns for: negsi2 and one_cmplsi2
	Add grunge reload pattern for computing stack addresses.

	* config/fr30/fr30.c: Improve stack layout comment.
	(MUST_SAVE_FRAME_POINTER): Also save FP if frame_pointer_needed is
	true.
	(fr30_expand_prologue): Push arguments into pretend argument area.
	(fr30_setup_incoming_varags): New function: compute size of
	pretend argument area.
	(low_register_operand): New predicate:  Return true if argument is
	a hard register in the range 0 to 7.
	
	* Makefile.in: Export va-fr30.h to gcc's include directory.
	* ginclude/varargs.h: Include va-fr30.h if __fr320__ is defined.
	* ginclude/stdarg.h: Include va-fr30.h if __fr320__ is defined.
	* ginclude/va-fr30.h: Varargs implemenation for the FR30.

	* config/arm/arm.h (TARGET_OPTIONS): Fixup egcs merge problem.

1998-12-08  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md: Add missing (MEM:SI ...) around memory
	references! 
	(reload_frame_pointer_add): New pattern to cope with implicit
	assumption built into reload.
	(stack_pointer_store, frame_pointer_store): swap order of operands.

	* config/fr30/fr30.c (fr30_expand_epilogue): Pop frame pointer if
	it was pushed during the prologue.

Sun Dec  6 03:40:07 1998  Jeffrey A Law  (law@cygnus.com)

	* fold-const.c (reduce_expression_tree_depth): Set TREE_CONSTANT on
	new expressions we create, if applicable.

Fri Dec  4 23:10:36 1998  Jeffrey A Law  (law@cygnus.com)

	* fold-const.c (fold): Call reduce_expression_tree_depth for
	simple associative operators.
	(reduce_expression_tree_depth): New function.

1998-12-04  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md: Improve support for small memory model.

	* Fixed branch length calculations.

1998-12-03  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.h: Add -msmall-model command line switch.

	Define r0 as a fixed register for use by the .md patterns.

	Undefine MACHINE_DEPENDENT_REORD.

	* config/fr30/fr30.md: Use r0 as a scratch register for branches and
	jumps.

	Use LDI:20 instead of LDI:32 to load addresses if TARGET_SMALL_MODEL
	is enabled.

	* config/fr30/fr30.c: Delete fr30_reorg() function.

1998-12-02  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.h: Undefine STARTFILE_SPEC and ENDFILE_SPEC.
	* config/fr30/fr30.md: Enable the generation of the LDI:20
	instruction. 

Wed Dec  2 01:18:53 1998  Richard Henderson  <rth@cygnus.com>

	* flow.c (merge_blocks): Call squeeze_notes.

Tue Dec  1 15:29:17 1998  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md (movsi_register_store): Allow ADDRESSOF
	stores.
	(branch_true, branch_false): Use comparision_operator to ensure
	that an operator is actually present in the RTL.
	(jump, branch): Reduce distance calculation to cope with
	inaccuracies in insn length calculations.

	* config/fr30/fr30.c (fr30_print_operand): Add 'R' operand to
	print a MEM as if it were a REG.
	Add folding to the file.

	* config/fr30/fr30.h: Add folding to the file.
	
Tue Dec  1 11:59:12 1998  Jeffrey A Law  (law@cygnus.com)

	* mips.md (trap_if): Another typo in !GENERATE_BRANCHLIKELY case.

Mon Nov 30 17:05:59 1998  Jeffrey A Law  (law@cygnus.com)

	* mips.md (trap_if): Fix typo in !GENERATE_BRANCHLIKELY case.

Fri Nov 27 18:40:10 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.md (mulsidi3_i, umulsidi3_i): Make rtl describe operation
	correctly independent of endianness.
	(mulsidi3, umulsidi3): Now define_insn.  Hide details that
	confuse the optimizers.
	(mulsidi3+1, umulsidi3+1): New define_split.

1998-11-25  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/t-fr30 (LIB1ASMFUNCS): Add _one_cmplsi2.
	
	* config/fr30/lib1funcs.asm (__one_cmplsi2): New function stub.

	* config/fr30/fr30.h (MACHINE_DEPENDENT_REORG): Define and set to
	fr30_reorg().
	
	* config/fr30/fr30.c (fr30_reorg): New function - detect illegal
	jump insns created by jump2 pass of gcc and correct them.

Thu Nov 26 00:49:47 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
	(smulsi3_highpart_i): Name.
	(udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
	(divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
	(smulsi3_highpart, umulsi3_highpart): Likewise.

Tue Nov 24 17:58:29 1998  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.md (jump): Support jumps to code outside +/-
	255 byte range.

Tue Nov 24 14:03:17 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.h (TARGET_OPTIONS): Fix merge problem.

Tue Nov 24 00:34:17 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (hoist_expr_reaches_here_p): Make sure to check all paths.

Mon Nov 23 17:24:24 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (override_options): Use tilde, not minus to
	invert a bitfield!
	
Sun Nov 22 20:33:20 1998  Jeffrey A Law  (law@cygnus.com)

	* mips.md (DImode div and mod insns):Fix typos.

	* z8k.c (struct option): Add new "description field".

	* z8k.h (EXTRA_CONSTRAINT): Do not call abort.
	(REG_OK_FOR_INDEX_P): Define with a value.
	(OPTIMIZATION_OPTIONS): Add new parameter.

	* mips.md (moddi3): Fix typo.

Fri Nov 20 14:51:42 1998  Nick Clifton  <nickc@cygnus.com>

	* config/fr30/fr30.h: Make MDL and MDH be fixed until the multiply
	patterns can be fixed.

	* config/fr30/fr30.c (sp_displacement_operand): Fix range to be
	0 -> 60 not 0 -> 64.
	Add %b and %B output operand operators to generate condition
	codes. 

	* config/fr30/fr30.md: Fix branch patterns to use correct
	condition mnemonics.
	Rewrite conditional branches to support both long branches and
	short branches.
	
	* config/fr30/t-fr30: Define mutlipy and divide functions for
	libgcc1-asm.a 

	* config/fr30/lib1funcs.asm: Assembler code for multiply and
	divide functions.

Thu Nov 19 13:33:07 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/pe.h: Define USER_LABEL_PREFIX as "_"

Wed Nov 18 14:40:34 1998  Jim Wilson  <wilson@cygnus.com>

	* configure.in: Add configury for mips-lsi-elf.
	* configure: Regenerate.
	* config/mips/t-lsi: New file.

	* range.c (live_range): Fix size arg to insn_ruid bzero call.
	Check INSN_UID before storing into insn_ruid array.

Wed Nov 18 10:57:49 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.md: Fix define_split for sasf insns, so that it
	will not generate bad code if the source and destination registers
	are the same.

Mon Nov 16 09:46:46 1998  Nick Clifton  <nickc@cygnus.com>

	* config/d10v/d10v.c (print_operand_memory_reference): Surround
	user symbols with parentheses in order to distinguish them from
	register names.

	* config/generic/generic.md (movdf, movdf_internal): Commented out
	these patterns since they are optional.

Fri Nov 13 10:14:04 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (optimize_related_values_1): Reject optimization if
	offset for rel_base_reg_user would be to large.

Fri Nov 13 04:36:06 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (rel_record_mem): Don't do anything if the register
	already has an invalidate_luid.

Thu Nov 12 16:44:23 1998  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Fix comment describing epilogue
	pattern. 
	
	* config/generic/generic.h: Add required definitions of
	ASM_OUTPUT_CHAR, ASM_OUTPUT_SHORT and ASM_OUTPUT_INT.

Thu Nov 12 23:02:32 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (invalidate_related): Don't do anything if the register
	already has an invalidate_luid.
	(optimize_related_values): Don't update death field if
	invalidate_luid field is set.

Sat Oct 31 18:10:40 1998  Jeffrey A Law  (law@cygnus.com)

        * mn10300.c (secondary_reload_class): No secondary register is needed
        when copying sp+X into any of extended registers.

Fri Oct 30 14:51:26 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in (languages): Add missing ";;" in case statement.

Thu Oct 29 19:08:12 1998  Jim Wilson  <wilson@cygnus.com>

	* d10v/d10v.c (d10v_split_logical_op): If reload_completed, create
	REGs instead of SUBREGS.

Wed Oct 28 23:05:17 1998  Jeffrey A Law  (law@cygnus.com)

	* invoke.texi: Add new alignment options for MIPS targets.
	* tm.texi (FUNCTION_BOUNDARY_MAX_SKIP): Document new target macro.
	* varasm.c (FUNCTION_BOUNDARY_MAX_SKIP): Provide a default value.
	(assemble_start_function): Use ASM_OUTPUT_MAX_SKIP_ALIGN if defined.
	* mips.c: Add new variables for alignment and maximum skip support.
	(override_options): Handle alignment and maximum skip arguments.
	* mips.h (SUBTARGET_TARGET_OPTIONS): Add new alignment and maximum
	skip options.
	(FUNCTION_BOUNDARY, LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Use
	alignment and maximum skip values computed in override_options.
	(FUNCTION_BOUNDARY_MAX_SKIP): Define.
	(ASM_OUTPUT_MAX_SKIP_ALIGN): Define.

Wed Oct 28 15:29:56 1998  Jim Wilson  <wilson@cygnus.com>

	* c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.

Tue Oct 27 17:02:21 1998  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.md: Commented out some unecessary patterns. 

Tue Oct 27 15:09:42 1998  Nick Clifton  (nickc@cygnus.com)

	Merge in arm-elf related changes from EGCS:

	* configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
	targets. 

	* configure: Regenerated.
	
	* config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
	USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX.  Make other macro
	definitions conditional on their not having been already defined.

	* config/arm/lin1funcs.asm: Add ELF only macros to generate .size
	and .type directives, and add "(PLT)" qualification to function
	calls.

	* config/arm/linux.h: Deleted.  This file is now superceeded by
	either linux-elf.h or linux-aout.h.

	* config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
	(CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
	support).
	Move definitions from old linux.h file here.
	
	* config/arm/elf.h: Now contains only generic ARM/ELF support.
	
	* config/arm/linux-aout.h: Support for Linux with a.out.
	
	* config/arm/linux-elf.h: New file.  Support for Linux with ELF.
	
	* config/arm/linux-elf26.h: New file.  Support for Linux with ELF
	using the 26bit APCS.
	
	* config/arm/unknown-elf.h: New file.  Support for OS'es other
	than Linux with ELF.

	* config/arm/coff.h: Include aout.h for basic assembler macros.
	
	* config/arm/arm.h: Make macro definitions conditional on their
	not having been already defined. 

Thu Oct 22 16:28:42 1998  Jeffrey A Law  (law@cygnus.com)

	* reload1.c reload.c reload.h: Install Bernd's reload patches on
	this branch for testing.

Wed Oct 21 15:14:35 1998  Nick Clifton  <nickc@cygnus.com>

	* config/generic/t-generic: Add definitions of CROSS_LIBGCC1 and
	LIB2FUNCS_EXTRA.
	Add (commented out) MULTILIB support.

	* config/generic/generic.c (generic_compute_frame_size): New function stub.
	(generic_print_operand_address): New function stub.
	(generic_print_operand): New function stub.

	* config/generic/generic.h: Add forward declarations of structure types
	 for use in exported function prototypes.
	Remove *note constructs.
	Document --help strings.
	Fix conflicts between names of args to macros and references to those
	 names in the accompanying text.
	REG_CLASS_CONTENTS: Define ALL_REGS class in terms of FIRST_PSEUDO_REGISTER.
	Uncomment definitions which must be present oin order for cc1 to build.
	RETURN_VALUE_REGNUM: New register macro - the number of a register
	 that holds a scalar function's return value.

Wed Oct 21 11:43:46 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850ea.h (MASK_US_BIT_SET): Change value to 0x1000
	to avoid clash with MASK_NO_APP_REGS.
	(MASK_US_BIT_SET): Change value to 0x2000 to avoid clash with
	MASK_NO_DISABLE_CALLT.

	* config/v850/v850.c (construct_dispose_instruction): Obey setting
	of TARGET_DISABLE_CALLT.
	(construct_prepare_instruction): Obey setting of TARGET_DISABLE_CALLT.

Mon Oct 19 14:31:56 1998  Nick Clifton  <nickc@cygnus.com>

	* configure.in: Add FR30 target.
	* configure:    Add FR30 target.
	* config.sub:   Add FR30 target.
	* config/fr30:  New directory.
	* config/fr30/fr30.c:    New target specific C source.
	* config/fr30/fr30.h:    New target specific header file.
	* config/fr30/fr30.md:   New target specific machine description.
	* config/fr30/xm-fr30.h: New target specific cross make header.
	* config/fr30/t-fr30:    New target specific makefile fragment.

	* config/m32r/m32r.h (TARGET_SWITCHES, TARGET_OPTIONS): Document m32r
	specific command line switches.

Mon Oct 19 14:05:30 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (nonnull_local, nonnull_killed): New file static variables.
	(invalidate_nonnull_info): New functions
	(delete_null_pointer_checks): Likewise.
	* toplev.c (rest_of_compilation): Call delete_null_pointer_checks
	immediately before and after the first CSE pass.

Mon Oct 19 07:33:00 1998  Catherine Moore  <clm@cygnus.com>
 
       *  config/rs6000/sysv4.h (CPP_SPEC):  Define _SOFT_FLOAT
       if -msoft-float.
    
Sun Oct 18 14:57:03 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (compute_transpout): New function.
	(insert_insn_end_bb): New argument PRE.  All callers changed.  Make
	some sanity checks conditional on value of PRE.
	(transp, comp, antloc): Renamed from pre_transp, pre_comp, pre_antloc.
	Replace all references.
	(hoist_transp, hoist_comp, hoist_antloc): Delete.  Change all references
	to transp, comp and antloc respectively.
	(transpout): New bitmap.
	(alloc_pre_mem, alloc_hoist_mem): Allocate transpout.
	(free_pre_mem, free_hoist_mem): Deallocate transpout.
	(compute_pre_data): Compute pre_transpout.
	(compute_code_hoist_data): Likewise.
	(hoist_code): We can not hoist an expression into a block if the
	expression is not in tranpout for the block.
	
Fri Oct 16 10:47:53 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
	(TARGET_OPTIONS): Add --help documentation.

Thu Oct 15 13:44:30 1998  Jim Wilson  <wilson@cygnus.com>

	* d30v/d30v.c (d30v_eh_epilogue_sp_ofs): New variable.
	(d30v_stack_info): Correct calculation for link_offset.
	(d30v_function_epilogue): Don't clear d30v_return_addr_rtx here.
	(d30v_expand_epilogue): Use d30v_epilogue_sp_ofs.
	(struct machine_function): New type.
	(d30v_save_machine_status, d30v_restore_machine_status,
	d30v_init_expanders): New functions.
	(d30v_return_addr): Call push_topmost_sequence, pop_topmost_sequence.
	* d30v/d30v.h (INCOMING_RETURN_ADDR_RTX): Change VOIDmode to Pmode.
	(INIT_EXPANDERS): New macro.
	(d30v_init_expanders, d30v_eh_epilogue_sp_ofs): Add declarations.
	* d30/d30v.md (eh_epilogue): New.  Set d30v_eh_epilogue_sp_ofs.

Wed Oct 14 21:38:11 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (optimize_related_values): Check if cc0 is set.

	* regmove.c (optimize_related_values): Fix problem with multiple
	related values in single insn.

Tue Oct 13 12:25:24 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c: Synchronised with egcs.
	
	* config/v850/v850.md: Synchronised with egcs.

	* config/m32r/m32r.md (sne): Only accept unsigned 16bit integers.

Tue Oct 13 07:55:04 1998  Catherine Moore  <clm@cygnus.com>

        * config/arm/elf.h:  Fix typo.
        * config/arm/telf.h:  Ditto.

Mon Oct 12 22:57:24 1998  Jeffrey A Law  (law@cygnus.com)

	* sparc.h: Fix minor merge lossage in 64bit sparc support.

Mon Oct 12 14:10:48 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c: Fix CYGNUS LOCAL markers.
	
	* config/arm/arm.c (arm_override_options): Add initialisation of
	arm_ld_sched boolean. 
	
	Fix CYGNUS LOCAL markers.

	* config/arm/arm.md: Add ldsched attribute and use in computing
	functional units.
	
	Fix CYGNUS LOCAL markers.

	Replace (reg 24) with (reg:CC 24).

	* config/arm/arm.h: Add export of arm_ld_sched.

Mon Oct 12 09:21:32 1998  Catherine Moore  <clm@cygnus.com>

        * config/arm/elf.h (MAKE_DECL_ONE_ONLY):  Define.
        (UNIQUE_SECTION_P):  Define.
        (UNIQUE_SECTION):  Define.
        * config/v850/v850.c (print_operand):  Extend meaning
        of 'c' operands to support .vtinherit.

Sun Oct 11 03:20:26 1998  Jeffrey A Law  (law@cygnus.com)

	* pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
	FP loads and stores.
	* pa.h (TARGET_PARISC_2_0): Define.
	(TARGET_SWITCHES): Add -mpa-risc-2-0, -mno-pa-risc-2-0.
	(GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0 FP loads
	and stores.
	(LEGITIMIZE_RELOAD_ADDRESS): Similarly.
	* pa.md: Add several new PA2.0 patterns.  Split a few of the 
	fix/float patterns into define_expands and define_insns.
	* pa-hpux10.h (ASM_FILE_START): Emit .level pa2.0 if generating
	PA2.0 opcodes.
	* pa-hpux11.h (ASM_FILE_START): Likewise.

Thu Oct  8 17:06:15 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/elf.h (DWARF_DEBUGGING_INFO): Define.
	(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
	(ASM_OUTPUT_DWARF_ADDR_CONST): Redfeine to work for Dwarf-1.

	* config/arm/telf.h (DWARF_DEBUGGING_INFO): Define.
	(ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
	(ASM_OUTPUT_DWARF_ADDR_CONST): Redfeine to work for Dwarf-1.
	(ASM_OUTPUT_DEF): Define.
	
Thu Oct  8 11:02:06 1998  Jim Wilson  <wilson@cygnus.com>

	* d30v.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu):
	Add (eq:SI ... (const_int 1)) around operand 1.
	(setcc_internal): Likewise.
	(decscc): Likewise for operand 2.
	(incscc): Switch operands 1 and 2, then likewise for operand 1.

Thu Oct  8 10:59:42 1998  Nick Clifton  <nickc@cygnus.com>

	* d30v.c (d30v_emit_cond_move): Generate pattern that can be
	matched by the new setcc_internal pattern.
	
	* tree.h: Remove (unused) data_area field of struct
	tree_decl.

	* c-decl.c (duplicate_decls): Remove code to copy data_area 
	field of struct tree_decl.
	(start_decl): Remove invocation of SET_DEFAULT_SECTION_NAME.
	(start_function): Add invocation of SET_DEFAULT_DECL_ATTRIBUTES.

	* tm.texi (SET_DEFAULT_SECTION_NAME): Remove definition of
	this unused macro.

Wed Oct  7 02:39:12 1998  Richard Henderson  <rth@cygnus.com>

	* gcse.c (insert_insn_end_bb): When a call ends a bb, insert
	the new insns before the argument regs are loaded.

Tue Oct  6 10:59:15 1998  Catherine Moore  <clm@cygnus.com>

        * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME):  Don't
        check for flag_function_sections.

Mon Oct  5 09:59:40 1998  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in: Remove CYGNUS LOCAL markers for unlibsubdir changes.

Fri Oct  2 16:58:37 1998  Nick Clifton  <nickc@cygnus.com>

	* dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
	call abort if the function is already defined.

Thu Oct  1 17:59:03 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c: Import changes from egcs.

Wed Sep 30 10:41:21 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.md: Replace 'memory_operand' with
	'indirect_operand' in set1, not1 and clr1 patterns.

	* config/v850/v850.c (compute_register_save_size): Detect when
	out-of-line helper functions will be used to create function
	prologues, and allow for their affect on the frame size.

	* config/v850/v850.h (EXTRA_SWITCHES): Default the contents of this
	macro to empty.

	* config/v850/lib1funcs.asm: Add type attributes for callt
	functions. 

Tue Sep 29 09:36:33 1998  Nick Clifton  <nickc@cygnus.com>

	* config/d30v/libgcc1.asm: Fixinstruction ordering conflicts
	detected by recent changes in the assembler.

Mon Sep 28 13:20:44 1998  Catherine Moore  <clm@cygnus.com>

       * configure.in: Add CYGNUS LOCAL markers.
       * config/arm/aout.h: Ditto.
       * config/arm/arm.h: Ditto.
       * config/arm/t-arm-elf: Ditto.
       * config/arm/t-thumb-elf: Ditto.

Fri Sep 15 16:00:00 1998  Jim Wilson  <wilson@cygnus.com>

	* reload1.c (reload): Use reload_address_index_reg_class and
	reload_address_base_reg_class when setting caller_save_spill_class.
	* config/arm/arm.md (insv): Add comment.  In CONST_INT case, and
	operand3 with mask before using it.

Wed Sep 23 16:35:17 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.h (enum reg_class): Add NONARG_LO_REGS
	support.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
	PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
	(GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
	completes.  Re-enable HImode REG+OFFSET addresses.
	(LEGITIMIZE_RELOAD_ADDRESS): Define.

Wed Sep 23 20:42:54 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (optimize_related_values_1): Set use->insn when emitting
	the linking insn before the final 'use' for a register that does not
	die within the scope of the optimization.

Tue Sep 22 10:01:21 1998  Nick Clifton  <nickc@cygnus.com>

	* config/generic/generic.h: Update description of HANDLE_PRAGMA
	and add description of HANDLE_PRAGMA_PACK_PUSH_POP.

Mon Sep 21 15:04:16 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (count_sets): New function.
	(gen_add3_insn): If single instruction add fails and source and
	destination register are different, try a move / add sequence.
	(rel_use_chain): New member match_offset.
	(optimize_related_values_1): Set it, and use it to avoid linking
	chains when this requires more than one instruction for the add.
	(add_limits): New file scope array.
	(optimize_related_values): Initialize it.

Mon Sep 21 14:55:36 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* regmove.c (optimize_related_values_1): Don't use rel_base->reg
	for a chain that needs an out-of-range offset.
	Take setting of rel_base_reg_user into account when deciding
	if there are enough registers available.

Fri Sep 18 11:54:03 1998  Catherine Moore  <clm@cygnus.com>

        * config/elfos.h:  Modify prefixes for UNIQUE_SECTION_NAME.
        * config/svr4.h:  Likewise.
        * config/mips/elf.h:  Likewise.
        * config/mips/elf64.h:  Likewise.

Fri Sep 18 09:44:55 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.h (m32r_block_immediate_operand): Add to
	PREDICATE_CODES.

	* config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
	patterns.

	* config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
	operators.
	(block_move_call): New function: Call a library routine to copy a
	block of memory.
	(m32r_expand_block_move): New function: Expand a "movstrsi"
	pattern into a sequence of insns.
	(m32r_output_block_move): New function: Expand a
	"movstrsi_internal" pattern into a sequence of assembler opcodes.

Wed Sep 16 14:13:38 1998  Stan Cox  <scox@cygnus.com>

	* i386-coff.h (DBX_DEBUGGING_INFO): Added.

Wed Sep 16 12:09:12 1998  Catherine Moore  <clm@cygnus.com>

        * flags.h:  Add flag_data_sections.
        * toplev.c:  Add option -fdata-sections.  Add flag_data_sections.
        (compile_file):  Error if flag_data_sections not supported.
        * varasm.c (assemble_variable):  Handle flag_data_sections.

Tue Sep 15 16:41:00 1998  Michael Tiemann  <michael@impact.tiemann.org>

	* fold-const.c (fold): Fix typo in COND_EXPR handling code.
	(invert_truthvalue): Enable truthvalue inversion for
	floating-point operands if -ffast-math.

	* regmove.c (find_related): We also have to track expressions that
	are just naked registers.  Otherwise, we burn one register to
	prime the related values, and we'll also miss the second (but not
	subsequent) opportunities to use related values.

	* lcm.c (compute_antinout): Start by setting all bits in
	OLD_CHANGED, not NEW_CHANGED.
	(compute_earlyinout): Ditto.

	* lcm.c (compute_redundant): Free temp_bitmap when we're done with
	it.

	* libgcc1.c (__abssf2, __absdf2): New libcalls.
	* Makefile.in (LIB1FUNCS): Add code for new ABS libcalls.
	* optabs.c (init_optabs): Intialize abs_optabs to use ABS
	libcalls.

Tue Sep 15 17:09:49 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.h (SECONDARY_INPUT_RELOAD_CLASS): Add special case for FPSCR.
	(GO_IF_LEGITIMATE_ADDRESS): Allow indexed addressing for PSImode
	after reload.
	(LEGITIMIZE_RELOAD_ADDRESS): Don't operate on
	RELOAD_FOR_INPUT_ADDRESS for PSImode.
	* sh.md (movpsi): New expander.
	(fpu_switch): Add r/r and m/r alternatives.  Move r/m before
	c/m.  Add insn predicate.

Tue Sep 15 09:47:50 1998  Catherine Moore  <clm@cygnus.com>

        * config/arm/aout.h:  Check if ASM_DECLARE_FUNCTION_NAME
        already declared.
        * config/arm/elf.h (TYPE_ASM_OP): Define.
        (SIZE_ASM_OP): Define.
        (TYPE_OPERAND_FMT): Define.
        (ASM_DECLARE_RESULT): Define.
        (ASM_DECLARE_FUNCTION_NAME): Define.
        (ASM_DECLARE_OBJECT_NAME): Define.
        (ASM_FINISH_DECLARE_OBJECT): Define.
        (ASM_DECLARE_FUNCTION_SIZE): Define.
        (ASM_OUTPUT_SECTION_NAME): Change default to "ax".
        * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME):  Change
        default to "ax".

Mon Sep 14 09:39:28 1998  Jeffrey A Law  (law@cygnus.com)

	* flow.c (compute_preds_succs): Only split edges when the last insn
	in the basic block is a conditional branch.
	(merge_blocks): Do not merge a block with a tablejump with anything.

Tue Sep  8 21:36:59 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (pre_insert): Fix thinko.

Mon Sep  7 23:50:56 1998  Michael Meissner  <meissner@cygnus.com>

	* rs6000.c (rs6000_override_options): Add -mcpu=740 as a place
	holder.

Thu Sep  3 18:16:16 1998  Michael Meissner  <meissner@cygnus.com>

	* rs6000.c (rs6000_override_options): Add -mcpu=750 as a place
	holder.

Thu Sep  3 23:33:57 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* rtl.h (push_obstacks_nochange, end_temporary_allocation): Declare.
	* regmove.c (obstack.h): Include.
	(REL_USE_HASH_SIZE, REL_USE_HASH, rel_alloc, rel_new): Define.
	(struct related, struct related_baseinfo, struct update): New structs.
	(struct rel_use_chain, struct rel_use): Likewise.
	(regno_related, rel_base_list, unrelatedly_used): New variables.
	(related_obstack): Likewise.
	(regclass_compatible_p, lookup_related): New functions.
	(rel_build_chain, rel_record_mem, invalidate_related): Likewise.
	(find_related, chain_starts_earlier, chain_ends_later): Likewise.
	(optimize_related_values_1, optimize_related_values_0): Likewise.
	(optimize_related_values): Likewise.
	(regmove_optimize): Use regclass_compatible_p.
	Call optimize_related_values.

Wed Sep  2 19:00:17 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (pre_insert): Do not insert an expression into the same
	block more than once.
	* lcm.c (compute_antinout): Avoid useless computations when the
	global properties of the current block's successors have not changed.
	(compute_earlyinout): Similarly.

Tue Sep  1 11:30:33 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
	* config/m32r/m32r.h: Make register 17 be fixed.

Mon Aug 31 11:29:15 1998  Catherine Moore  <clm@cygnus.com>

        * config/arm/elf.h:  Rework constructor/destructor support.
        * config/arm/telf.h:  Likewise.
        * config/arm/t-arm-elf:  New file.
        * config/arm/t-thumb-elf:  New file.
        * configure.in:  Change tmake_file to t-arm-elf for
        arm-elf and to t-thumb-elf for thumb-elf.
        * configure:  Rebuild.

Mon Aug 31 09:53:24 1998  Jeffrey A Law  (law@cygnus.com)

	* range.c (live_range): Do not perform LRS on phony loops.

	* mn10300.md (widening multiplies): Fix order of output operands
	in assembler template.

	* range.c (range_finish): Start block 0 at the first CODE_LABEL or
	real insn.

Wed Aug 26 17:13:37 1998  Tom Tromey  <tromey@cygnus.com>

	* gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
	* gthr-qt.h: New file.
	* frame.c (init_object_mutex): New function.
	(init_object_mutex_once): Likewise.
	(find_fde): Call it.
	(__register_frame_info): Likewise.
	(__register_frame_info_table): Likewise.
	(__deregister_frame_info): Likewise.
	* configure.in: Recognize `qt' as a thread package.  Add
	appropriate -I option to gthread_flags when using qt.
	* configure: Rebuilt.

Wed Aug 26 16:22:51 1998  Jeffrey A Law  (law@cygnus.com)
	
	* toplev.c (rest_of_compilation): Enable LRS at -O2 and higher for
	systems which prefer stabs debug symbols.
	* invoke.texi: Restore lost LRS docs.  Note LRS is enabled at -O2
	and higher for some systems.

	* toplev.c (rest_of_compilation): Run recompute_reg_usage before
	LRS, not after.

Wed Aug 26 09:30:59 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
	already contains the return address.

	* cse.c (equiv_constant): Cope with gen_lowpart_if_possible()
	returning 0.

Wed Aug 26 11:18:57 1998  Gavin Romig-Koch  <gavin@cygnus.com>

	* mips.md (lshrsi3_internal2+2): Fix type-o.

Tue Aug 25 11:38:21 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
	as an ordinary operand.

Sat Aug 22 00:11:51 1998  Jeffrey A Law  (law@cygnus.com)

	* rs6000.md (movdf_softfloat32): Accept any valid memory
	address.

Fri Aug 21 14:19:52 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.md (movdi, movdf): When using movu to load the high half
	of a DImode/DFmode value, do not forget to also load the load half.

Thu Aug 20 15:04:28 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v.h (ASM_GENERATE_INTERNAL_LABEL): Remove definition, svr4.h
	supplies an appropriate one.

	* d10v.c: Include system.h, not stdio.h to get sys/param.h pulled
	in before rtl.h in case the system defines MIN and MAX.
	* d30v.h: Ditto.

Wed Aug 19 11:57:57 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Define.

Tue Aug 18 10:02:53 1998  Catherine Moore  <clm@cygnus.com>

        * config/arm/elf.h:  Define ASM_SPEC and LINK_SPEC.

Wed Aug 12 14:12:40 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.md (extendqisi2_insn): Cope with REG +
	OFFSET addressing.

	* config/arm/m32r.md (sne): Only generate xor insns when the
	constant is unsigned.
	
Wed Aug 12 12:09:54 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in (hpux11 support): Move it before the default hpux
	case to avoid using the generic hpux config files for hpux11.
	* configure: Rebuilt.

Wed Aug 12 12:47:50 1998  Gavin Romig-Koch  <gavin@cygnus.com>

	* mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
	VAR_DECL's in gp addressable sections.

Wed Aug 12 09:02:55 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.c (m32r_not_same_reg): New function.  Returns
	true iff its two arguments are rtx's that refer to different
	registers. 

	* config/m32r/m32r.h (PREDICATE_CODES): Add m32r_not_same_reg().

	* config/m32r/m32r.md (andsi3, iorsi3, xorsi3): Use
	m32r_not_same_reg() rather than rtx_equal_p().
	
Tue Aug 11 09:15:23 1998  Nick Clifton  <nickc@cygnus.com>

	* tm.texi (SET_DEFAULT_SECTION_NAME): Add CYGNUS LOCAL markers.

Mon Aug 10 11:36:04 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.h: Add prototypes for some exported functions.

	Remove spurious CYGNUS LOCAL markers, and add required CYGNUS
	LOCAL markers.

	Define HANDLE_PRAGMA and SET_DEFAULT_SECTION_NAME macros and the
	enums used by the code in v850.c that implements them.
	New enums: v850_pragma_state, v850_pragma_type, GHS_section_kind.

	* config/v850/v850.c: Add prototypes for functions not prototypes
	in v850.h.

	Add default cases to some switch statements, in order to eliminate
	warning messages when compiled with -Wall.

	Add support for sda, tda and zda attributes.  Moved here from
	c-decl.c.  Add code to implement some GHS pragmas.
	New functions: push_data_area, pop_data_area, v850_handle_pragma,
	mark_current_function_as_interrupt, parse_ghs_pragma_token,
	v850_set_default_section_name.

Fri Aug  7 17:25:29 1998  Nick Clifton  <nickc@cygnus.com>

	* c-decl.c (duplicate_decls): Copy data area from old decl into
	new decl.
	(start_decl): Add use of SET_DEFAULT_SECTION_NAME, if defined.
	(start_function): Add use of SET_DEFAULT_SECTION_NAME, if defined.

	* c-lex.c (check_newline):  Call HANDLE_PRAGMA before
	HANDLE_SYSV_PRAGMA if both are defined.  Generate warning messages
	if unknown pragmas are encountered.
	(handle_sysv_pragma): Interpret return code from
	handle_pragma_token ().  Return success/failure indication rather
	than next unprocessed character. 
	
	* c-pragma.c (handle_pragma_token): Return success/failure status
	of the parse.
	
	* c-pragma.h: Change prototype of handle_pragma_token().

	* tm.texi (HANDLE_PRAGMA): Document the use of HANDLE_PRAGMA when
	USE_CPPLIB is enabled.
	(SET_DEFAULT_SECTION_NAME): New macro.  Allows backend to setup
	the section name of a decl when it is created.

	* tree.h (DECL_DATA_AREA): New macro.  Accesses data_area field of
	a decl
	(struct tree_decl): Add new field 'data_area'.
	
	* varasm.c: (handle_pragma_weak): Only create this function if
	HANDLE_PRAGMA_WEAK is defined.
	
Mon Aug  3 08:00:00 1998  Catherine Moore  <clm@cygnus.com>

        * configure.in:  Support arm-*-elf and thumb-*-elf.
        * configure: Regenerate.

Fri Jul 31 16:13:04 1998  Catherine Moore  <clm@cygnus.com>
 
        * config/arm/elf.h: New file.
        * config/arm/telf.h: New file.
        * config/arm/aout.h: Check if ASM_FILE_START previously
        defined.
        * config/arm/arm.h: Check if STRUCTURE_SIZE_BOUNDARY
        previously defined.
 
Fri Jul 31 16:00:41 1998  Ken Raeburn  <raeburn@cygnus.com>

	* mips.md (mulsi3_mult3): Add TARGET_MIPS5400 to condition.
	(muls_r5400, msac_r5400): Don't disparage output-LO alternative.
	(msac_r5400): Use "*d" for accumulator, to give preference to LO
	initially but not during reload.
	(muls_r5400_di, msac_r5400_di, xmulsi3_highpart_5400,
	xmulsi3_neg_highpart_5400): Fix typo, SIGN_EXTRACT for
	SIGN_EXTEND.
	(macc_r5400_di): Absorb into mul_acc_64bit_di.
	(mul_acc_64bit_di): Don't use match_dup for accumulator, use "0"
	constraint.
	* t-vr5000 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add VR5400
	options.

Fri Jul 31 10:23:55 1998  Doug Evans  <devans@canuck.cygnus.com>

	* m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
	labels with .debugsym if no parallel insns.

Fri Jul 31 09:45:07 1998  Nick Clifton  <nickc@cygnus.com>

	* reload1.c (init_reload): On SMALL_REGISTER_CLASSES machines,
	when searching for a reload_address_reg_class, avoid fixed
	registers as well as argument registers.

Wed Jul 29 11:47:10 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
	constraint from second alternative.

Tue Jul 28 18:54:28 1998  Stan Cox  <scox@cygnus.com>

	* sp86x-aout.h (HAVE_ATEXIT): New macro.
	
Tue Jul 28 11:12:46 1998  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* cse.c (cse_insn): Enable subsitution inside libcall only for REG,
	SUBREG, MEM.
	* rtlanal.c (replace_rtx): Prohibit replaces in	CONST_DOUBLE. 

Fri Jul 24 14:22:39 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.md (am33 movqi, movhi, movsi, movsf): Handle CONST_DOUBLE.

Fri Jul 24 11:17:04 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
	strings as the insertion of USER_LABEL_PREFIX.
	* config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
	valid code.
	* config/arm/thumb.md: Use %_ as a prefix to gcc library function
	calls. 

Thu Jul 23 13:16:29 1998  Jim Wilson  <wilson@cygnus.com>
 
        * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
 
Thu Jul 23 11:12:06 1998  Alexandre Petit-Bianco  <apbianco@cygnus.com>

	* expr.c (expand_expr): Expand RETURN_EXPR.

Wed Jul 22 21:43:54 1998  Stan Cox  <scox@cygnus.com>

	* longlong.h (count_leading_zeros): Sparclite scan instruction was
	being invoked incorrectly.

	* i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
	* i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE): 
	Add -pg support. 
	* i386/win32.h: New file.  Hybrid mingw32.h/cygwin32.h configuration.
	
Wed Jul 22 18:40:00 1998  Catherine Moore  <clm@cygnus.com>

        * dwarf2out.c (output_aranges):  Call stripattributes
        for TEXT_SECTION references.
        (output_line_info): Likewise.

Tue Jul 21 23:42:34 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.c (print_operand_address): Handle POST_INC.
	* mn10300.h (HAVE_POST_INCREMENT): Define.
	(GO_IF_LEGITIMATE_ADDRESS): Handle POST_INC for the am33.
	(GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is mode dependent.

Mon Jul 20 16:40:31 1998  Dave Brolley  <brolley@cygnus.com>

	* cpplib.c (cpp_handle_option): More fixes for cplusplus_comments.

Mon Jul 20 15:09:54 1998  Ken Raeburn  <raeburn@cygnus.com>

	* mips.md (attribute "type"): Add new value "frsqrt".
	(function unit specs): Handle frsqrt like fsqrt, except if r5400.
	(sqrtsf2+1 et al): Use frsqrt type for rsqrt.FMT instructions.
	(function unit "memory"): Treat r5400 like r5000.
	(function unit "imuldiv"): Set costs for r5400.  Delete a
	duplicated entry.
	(function units "adder", "divide"): Don't use for r5400.
	(function unit "alu_5400"): Don't use for imul or idiv
	instructions; do use for arith, darith, move, icmp, nop.  Adjust
	issue delay.

Fri Jul 17 11:16:19 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.h (LIMIT_RELOAD_CLASS): Refine for the am33.

	* mn10300.h (zero_ereg): Delete declaration for unused variable.
	(MODES_TIEABLE_P): Provide am33 aware version.

	* mn10300.md (movqi, movhi): Provide am33 versions which allow
	ADDRESS_REGS to be used as destinations.
	(umulsidi3, mulsidi3): Do not accept immediate operands.

	* mn10300.h (HARD_REGNO_MODE_OK): Address registers can hold HImode
	and QImode objects on the am33.

Thu Jul 16 14:50:58 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.md (movXX): Use movu when profitable.

	* mn10300.c (expand_epilogue): Fix thinko in previous change.

	* mn10300.md (umulsidi3, mulsidi3): New am33 patterns.

	* mn10300.c (count_tst_insns): Count tst insns for EXTENDED_REGS
	as well as clearing an EXTENDED_REGS register.
	(expand_prologue): Set up zero_areg and zero_dreg if we can optimzie
	comparisons or sets of EXTENDED_REGS against zero.
	(output_tst): Heandle optimizing for extended regs.

	* mn10300.h (REGISTER_MOVE_COST): Define appropriately for the am33.

	* mn10300.md (am33 logicals): New patterns.
	(am33 zero and sign extension): New patterns.
	(am33 shifts): New patterns.

Tue Jul 14 14:15:30 1998  Nick Clifton  <nickc@cygnus.com>

	* gcc.c: Remove ANSI-C ism from --help code.

	* toplev.c: Support --help with USE_CPPLIB.

Tue Jul 14 10:57:43 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.md (am33 mulsi): New pattern.
	(am33 tstqi, tsthi): New patterns.

	* mn10300.md (movXX patterns): Optimize loading zero into an
	extended register if we know a data or address register already
	has the value zero in it.

	* mn10300.h (TARGET_SWITCHES): Turn off -mmult-bug for the am33.

	* mn10300.md (subsi3, am33 version): Fix code generation when 
	operands0 and operands2 are the same register.

Mon Jul 13 21:45:17 1998  Jeffrey A Law  (law@cygnus.com)

	* expr.c (expand_builtin): Do not warn for targets which do not
	support CONSTANT_P_RTX.  Temporary patch until next merge
	
Mon Jul 13 11:10:15 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850ea.h (EXTRA_SWITCHES): Document these switches.
	* config/v850/v850e.h (EXTRA_SWITCHES): Document these switches.
	* config/v850/v850.h (TARGET_OPTIONS, TARGET_SWITCHES,
	EXTRA_SWITCHES): Document these switches.

	* cccp.c (main): Add support for parsing --help.
	(display_help): New function: display command line switches.

	* cpplib.c (cpp_handle_option): Add support for parsing --help.
	(display_help): New function: display command line switches.

	* gcc.c (main): Add support for parsing --help, and passing it on
	to the sub-processes invoked by gcc.
	(display_help): New function: display comman line switches.	

	* tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document
	'description' field added to structure.  

	* toplev.c: Add support for parsing --help.
	Add documentation strings to command line option tables.
	(display_help): New function: display comman line switches.

Mon Jul 13 11:18:58 1998  Jeffrey A Law  (law@cygnus.com)

	* mn10300.c: Add rough am33 support.
	* mn10300.md: Likewise.
	* mn10300.h: Likewise.
	* t-mn10300: Likewise.
Mon Jul 13 11:10:15 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/semi.h (USER_LABEL_PREFIX): Change to "" to match
	FSF sources.

	* config/arm/tcoff.h (USER_LABEL_PREFIX): Change to "" to match
	change to semi.h

Sun Jul 12 13:34:23 1998  Michael Meissner  <meissner@cygnus.com>

	* jump.c (duplicate_loop_exit_test): Fix typo in last change.

Sat Jul 11 02:59:08 1998  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile
	and structure attribute flags to MEMs generated.
	(splits for sign-extended HI & QI mode from memory):  Also propagate 
	the volatile flag.

Sat Jul 11 01:18:33 1998  Jeffrey A Law  (law@cygnus.com)

	* jump.c (duplicate_loop_exit_test): Avoid out of bounds access
	to the reg info virtual array.

Thu Jul  9 10:49:08 1998  Jeffrey A Law  (law@cygnus.com)

	* arm/tpe.h (JUMP_TABLES_IN_TEXT_SECTION): Define with a value.
	* i386/i386elf.h: Likewise.
	* i386/rtemself.h: Likewise.
	* z8k/z8k.h: Likewise.

	* Makefile.in: Fix minor merge lossage which caused incorrect
	dependencies.

Wed Jul  8 23:37:59 1998  Jeffrey A Law  (law@cygnus.com)

	* d30v.h (STDIO_PROTO): Likewise.

Wed Jul  8 16:53:37 1998  Jim Wilson  <wilson@cygnus.com>

	* range.c (range_print_flags): Add static to definition.

1998-07-08  Vladimir N. Makarov  <vmakarov@cygnus.com>

	* config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function
	stubs.

	* toplev.c (lang_options): Add -Wlong-long, -Wno-long-long
	options.
	* c-decl.c (warn_long_long): Define.
	(c_decode_option): Parse -Wlong-long, -Wno-long-long options.
	(grokdeclarator): Add flag `warn_long_long' as guard for
	warning "ANSI C does not support `long long'".
	* invoke.texi: Add description of options -Wlong-long,
	-Wno-long-long.
	* gcc.1: The same as above.
	
Wed Jul  8 09:45:22 1998  Nick Clifton  <nickc@cygnus.com>

	* haifa-sched.c (debug_ready_list): Remove static qualifier, so
	that it can be called from machine back ends.

	* libgcc1-test.c: Remove duplicate prototype for memcpy().

	* config/arm/arm.c (arm_override_options): Reference 'flags'
	rather than 'tune_flags'.

Wed Jul  8 03:22:22 1998  Jeffrey A Law  (law@cygnus.com)

	* Merge from egcs snapshot 19980707.

Mon Jul  6 09:32:14 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/tpe.h (REDO_SECTION_INFO_P): Define.

	* config/arm/thumb.c (thumb_override_options): Warn about and
	ignore '-fpic'.

	* config/m32r/m32r.h (MUST_PASS_IN_STACK): Override default
	version. 

Thu Jul  2 08:11:00 1998  Catherine Moore  <clm@cygnus.com>

        * haifa-sched.c (alloc_EXPR_LIST):  Change to use
        unused_expr_list.

Mon Jun 29 12:15:00 Catherine Moore  <clm@cygnus.com>

        * config/sparc/lb1spc.asm (.udiv, .div) Replace routines.

1998-06-26  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (LOOP_TEST_THRESHOLD): If loop unrolling and saving
	space, don't suppress moving the loop test from top to the bottom.

Thu Jun 25 09:53:24 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM,
	noticed by grahams@rcp.co.uk.

Wed Jun 24 10:39:32 1998  Stan Cox  <scox@cygnus.com>

	* sparc.md (sethi_di_sp32): Swap registers if we are
	compiling in little endian mode.
	
	* sparc.h (CPP_ENDIAN_SPEC, LIBGCC2_WORDS_BIG_ENDIAN): Check for
	mlittle-endian-data in addition to mlittle-endian.
	
	* sp86x-aout.h (ASM_SPEC, SUBTARGET_SWITCHES): -mlittle-endian-data
	
        * ginclude/va-d30v.h (va_arg): struct args < 4 bytes must be offset.

Tue Jun 23 21:27:27 1998  Ken Raeburn  <raeburn@cygnus.com>

	* reload.c (find_reloads): Fix check for failure to match any
	alternative, to account for Mar 26 change in initial "best" cost.

Tue Jun 23 14:20:57 1998  Nick Clifton  <nickc@cygnus.com>

	* config/d30v/d30v.h (FIXED_REGISTERS): Remove reference to return
	address register.
	(CALL_USED_REGISTERS): Ditto.

Tue Jun 23 16:42:29 1998  Dave Brolley  <brolley@cygnus.com>

	* cpplib.c (open_include_file_name): Mark as local change.

Mon Jun 22 10:30:00 1998  Catherine Moore  <clm@cygnus.com>

        * varasm.c (assemble_variable): Emit alignment warning.

Sat Jun 20 04:10:50 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (MD_SCHED_{VARIABLE_ISSUE,INIT,REORDER}): Define.
	(m32r_sched_{variable_issue,init,reorder}): Add declarations.

	* m32r.c (m32r_sched_odd_word_p): New global to keep track of
	whether we are on an odd word or even word.
	(m32r_adjust_priority): Optimize slightly.
	(m32r_sched_init): New function to zero m32r_sched_odd_word_p.
	(m32r_sched_reorder): New function to reorder the ready list based
	the instruction sizes.  Move long instructions before short ones,
	except if we are on an odd word boundary.
	(m32r_sched_variable_issue): New function to keep track of whether
	we are on an odd byte boundary.

Fri Jun 19 21:33:21 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (whole file): Align \'s to column 72.
	(*_SPEC): Use EXTRA_SPECS to move cpu dependent stuff down into
	{ASM,CPP,CC1,LINK,STARTFILE,ENDFILE}_CPU_SPEC.
	(TARGET_SWITCHES): Add support for new debug switches
	-missue-rate={1,2} and -mbranch-cost={1,2}.  Add
	SUBTARGET_SWITCHES for cpu dependent switches.
	(TARGET_OPTIONS): Add support cpu dependent switches.
	(MULTILIB_DEFAULTS): Ditto.
	(OVERRIDE_OPTIONS): Ditto.
	(OPTIMIZATION_OPTIONS): Ditto.
	({FIXED,CALL_USED}_REGISTERS): Ditto.
	(REG_ALLOC_ORDER): Ditto.
	(CONDITIONAL_REGISTER_USAGE): Ditto.
	(REG_CLASS_CONTENTS): Ditto.
	(GPR_P): Ditto.
	({,ADDITIONAL_}REGISTER_NAMES): Ditto.
	(M32R_MODEL_DEFAULT): Wrap inside #ifndef/#endif.
	(SDATA_DEFAULT_SIZE): Ditto.
	(IN_RANGE_P): New macro to test if something is in a range of
	values.
	(INT8_P): Recode to use IN_RANGE_P.
	({,CMP_,U}INT16_P): Ditto.
	(UPPER16_P): Ditto.
	(UINT{24,5}_P): Ditto.
	(INT32_P): Ditto.
	(INVERTED_SIGNED_8BIT): Ditto.
	({ACCUM,CARRY}_P): New macros for accumulator and carry.
	(BRANCH_COST): Set to 1/2 depending on -mbranch-cost={1,2}.
	(ENABLE_REGMOVE_PASS): Delete, no longer used.
	(ASM_OUTPUT_ALIGNED_LOCAL): Ditto.
	(ISSUE_RATE): Set to 1/2 depending on -missue-rate={1,2}.
	(DWARF2_DEBUGGING_INFO): Define.
	(whole file): Group most of the m32rx specific stuff together
	using the subtarget support.  Define the various specs
	{ASM,CPP,CC1,LINK,STARTFILE,ENDFILE}_CPU_SPEC.

Thu Jun 18 09:03:31 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c ({internal_,}reg_or_eq_int16_operand): New functions to
	return whether an operand is suitable for == operations.
	(gen_compare): Remove support for handling S<op> operations, just
	handle branches.

	* m32r.h (PREDICATE_CODES): Add new predicate functions.
	({internal_,}reg_or_eq_int16_operand ): Add declarations.
	(gen_compare): Remove argument saying to produce S<op> operations
	instead of a branch.

	* m32r.md (b{eq,ne,lt,le,gt,ge,ltu,leu,gtu,geu}): Update
	gen_compare calls.
	(s{eq,ne,lt,le,gt,ge,ltu,leu,gtu,geu}): Recode to present the
	operation as a distinct RTL until splitting so that the
	optimization passes generate better code.
	(abs{df,sf}2): Define, so that we can make fabs(-0.0) return 0.0.
	
Wed Jun 17 15:12:00 1998  Catherine Moore  <clm@cygnus.com>

        * reload1.c (spill_hard_reg):  Check mode of register when
        spilling from scratch_list.

Wed Jun 17 14:55:50 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG 
	addressing when one register is the frame pointer or stack
	pointer.  Disallow REG+CONST addressing in HI mode.

	* config/arm/arm.h (CANONICALIZE_COMPARISON): Preserve OP1.
	
Tue Jun 16 20:50:37 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (m32r_adjust_{cost,priority}): New functions to adjust
	scheduler cost and priority information.
	(direct_return): Don't test -mdebug any more.

	* m32r.h (m32r_adjust_{cost,priority}): Declare.
	(m32r_address_cost): Correctly spell function in prototype.
	(ADJUST_{COST,PRIORITY}): Define to call the appropriate function.

Tue Jun 16 17:36:35 1998  Dave Brolley  <brolley@cygnus.com>

	* cpplib.h (__GCC_CPPLIB__): Add header guard.
	* cpplib.c (open_include_file_name): New function.
	(open_include_file): Call open_include_file_name instead of open.
Fri Jun 12 00:03:23 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (OPTIMIZATION_OPTIONS): Turn on -fregmove if -O1.  If
	-Os, turn on -fomit-frame-pointer and -fno-strength-reduce.
	(CAN_DEBUG_WITHOUT_FP): No longer define, so we don't confuse the
	debugger.
	(TARGET_FLAGS): Remove -mold-compare support.
	
	* m32r.c (gen_compare): Rewrite to be more general.  Take an
	extra argument to give the output register for scc operations or
	the label to jump to for bcc operations.  Fix typo for LEU & GTU
	of constants.
	(internal_reg_or_{cmp_int16,uint16}_operand): Same as the function
	without the internal_ prefix, except mode argument is an enum.
	(internal_reg_or_zero_operand): Ditto.
	
	* m32r.h (gen_compare): Add new argument to prototype.
	(PRESERVE_DEATH_INFO_REGNO_P):  Delete, no longer needed after
	June 11 regmove.c change.

	* m32r.md (cmp_eqsi_insn): Make a define_expand instead of a
	define_insn.
	(cmp_ne_small_const_insn): Delete, no longer used.
	(b{eq,ne,lt,le,gt,ge,ltu,leu,gtu,geu}): Rework for gen_compare
	changes.
	(s{eq,ne,lt,le,gt,ge,ltu,leu,gtu,geu}): Define patterns.
	(movsicc): Delete, no longer used.
	(peephole): Delete, no longer needed after June 11 regmove.c
	change.

Tue Jun  9 21:05:45 1998  Jeffrey A Law  (law@cygnus.com)

	* pa.c (override_options): Handle -mschedule=8000.
	(pa_reorg): Do not try to combine independent instructions into
	a single instruction for the PA8000.
	* pa.h (processor_type): Add PROCESSOR_8000.
	* pa.md: Add "8000" cpu attribute.  Treat the PA8000 like the 
	PA7100 temporarily.
	
Tue Jun  9 14:13:37 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/t-v850 (TCFLAGS): Add assembler options to catch
	signed and unsigned overflows.

	* config/v850/lib1funcs.asm (__callt_save_interrupt): Use 'addi
	16,sp,sp' instead of 'add 16,sp'.  Patch cpurtesy of: Biomedin
	<glctr@abc.it> 

Thu Jun  4 15:14:04 1998  Michael Meissner  <meissner@cygnus.com>

	* jump.c (duplicate_loop_exit_test): Remove May 19th code not
	duplicating the loop exit test at the bottom, but keep the part
	about testing LOOP_TEST_THRESHOLD.

	* m32r.h (LOOP_TEST_THRESHOLD): If -Os, use 2 instead of 30.
	(PREDICATE_CODES): Add extend_operand.
	(extend_operand): Declare.
	
	* m32r.c (extend_operand): New function to return true if an
	operand can be used in a sign/zero_extend operation.

	* m32r.md (zero_extend*): Use extend_operand.
	(sign_extend{qisi,qihi,hisi}2): Rewrite so sign_extend is
	available until after reload is done.
	
Tue Jun  2 00:54:38 1998  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (rest_of_compilation): Only perform block merging for
	-O2 and above.

Mon Jun  1 03:44:03 1998  Catherine Moore <clm@cygnus.com>

        * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.

        * varasm.c (assemble_variable): Augment alignment warning.

Sun May 31 01:02:05 1998  Jeffrey A Law  (law@cygnus.com)

	* gcc.c (process_command): Use concat instead of effectively
	open-coding it.

Sun May 31 10:37:49 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (gen_compare): Fix last change to swap GT/GTU/LE/LEU
	arguments if both are registers.  Don't convert GTU/LEU of a
	negative value into GEU/LTU.

Fri May 29 14:31:39 1998  Ken Raeburn	<raeburn@cygnus.com>
			  Jeff Law	<law@cygnus.com>

	(mulsi_r5400, macc_r5400): Delete patterns.
	(muls_r5400, msac_r5400, muls_r5400_di): Rewrite.
	(macc_r5400_di, msac_r5400_di): Likewise.
	(xmulsi3_highpart_5400): Likewise.
	(xmulsi3_neg_highpart_5400): Likewise.

Fri May 29 13:36:17 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (gen_compare): Cmpui takes a signed 16 bit value, not
	unsigned.
	* m32r.md (cmp_ltusi_insn): Ditto.

	* m32r.c (gen_compare): If the first compare value is not a
	register, force it into a register.  If the second compare value
	is not a register or a constant integer, force it into a
	register.

	* m32r.md (cmpsi): Only allow registers or signed 16 bit values
	for the second argument.
	
Thu May 28 13:20:25 1998  Jeffrey A Law  (law@cygnus.com)

        * gcse.c (pre_delete): Fix code to determine the mode of
        the reaching pseudo register.
	(hoist_code): Likewise.

	* Simple block merging optimization pass.
	* flow.c (merge_blocks): New function.
	* toplev.c (rest_of_compilation): Call merge_blocks after each
	jump optimization pass, except for the last one.

Thu May 28 13:47:18 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (gen_compare): Convert LE/LEU/GT/GTU of a constant into
	LT/LTU/GE/GEU with the constant+1.

Wed May 27 09:04:36 1998  Gavin Koch  <gavin@cygnus.com>

	* config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.

Tue May 26 20:38:27 1998  Stan Cox  <scox@equinox.cygnus.com>

	* config/sparc/sp86x-elf.h (TARGET_LITTLE_ENDIAN_DATA): New.
	(INIT_SECTION_ASM_OP): Undef so __main constructor invocation is used.

Tue May 26 14:48:50 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (v850_output_aligned_bss): use
	ASM_DECALRE_OBJECT_NAME if it is available.

Tue May 26 09:28:07 1998  Catherine Moore <clm@cygnus.com>

       * config/sparc/lb1spc.asm (.urem, .rem) Replace routines.

Fri May 22 23:46:37 1998  Jim Wilson  <wilson@cygnus.com>

	* gcc.c (make_relative_prefix): Call obstack_1grow with '\0'.

Thu May 21 14:37:15 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/README-interworking:  Add note about ignoring linker
	warning message when --support-old-code is used. 

Tue May 19 18:28:47 1998  Jim Wilson  <wilson@cygnus.com>

	* config/generic/xm-generic (NO_STAB_H): Delete reference.
	* config/d30v/xm-d30v.h (NO_STAB_H): Delete reference.

Tue May 19 15:38:48 1998  Michael Meissner  <meissner@cygnus.com>

	* stmt.c (expand_end_loop): Instead of using a hard-coded 30 for
	the number of insns, use LOOP_TEST_THRESHOLD.

	* jump.c (duplicate_loop_exit_test): Use LOOP_TEST_THRESHOLD for
	decided how many instructions to duplicate.  If optimizing for
	space, don't duplicate the loop exit test at the top.

	* expr.h (LOOP_TEST_THRESHOLD): Define if not defined.

	* tm.texi (LOOP_TEST_THRESHOLD): Document.

Tue May 19 10:27:15 1998  Jeffrey A Law  (law@cygnus.com)

        * flow.c (compute_preds_succs): Do not split more than one edge
        into any basic block.

Mon May 18 15:28:26 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/lib1funcs.asm: Add .text pseudo op to start of
	___udivsi3. 
	
	* config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
	underscores for the prefixes to the names of the maths functions. 

	* dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE for
	parameters passed in memory.  Add a comment explaining why.

Mon May 18 00:21:53 1998  Jeffrey A Law  (law@cygnus.com)

	* c-lex.c (check_newline): Remove old CYGNUS LOCAL code that
	is no longer needed.

Sun May 17 20:57:01 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (PREDICATE_CODES): Add seth_add3_operand, int8_operand,
	and uint16_operand.
	(int8_operand): Add declaration.

	* m32r.c (int8_operand): Return true if value is a signed 8 bit
	constant int.
	(m32r_expand_prologue): Remove duplicate setting of gmask.
	(direct_return): Return true if we have no stack to allow jmp lr
	to be used as a return.

	* m32r.md ({and,ior,xor}si3): If -Os and we have a 8 bit immediate
	constant and different registers, emit two short instructions
	instead of a long instruction.  Also don't accept integer
	arguments greater than 16 bits initially, to give those values a
	chance at CSE.
	(return): Add return pattern.

Fri May 15 19:30:29 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.md (mov{si,sf}_insn): Correct attributes for load/store
	with inc/dec.

Fri May 15 14:55:45 1998  Nick Clifton  <nickc@cygnus.com>

	* dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
	function parameter passed in memory.

Thu May 14 14:37:26 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/README-interworking: Document dlltool support for
	interworking.
	
	* config/arm/lib1thumb.asm: Add labels to help disassembler
	distinguish between ARM and Thumb code.
	Fix _interwork_call_via_ip.
	* config/arm/lib1funcs.asm: Ditto.

Thu May 14 13:27:07 1998  Jim Wilson  <wilson@cygnus.com>

	* global.c (undo_live_range): Use PUT_REG_NOTE_KIND instead of
	REG_NOTE_KIND.

Wed May 13 22:45:53 1998  Michael Meissner  <meissner@cygnus.com>
			  Jeff Law <law@cygnus.com.

	* Makefile.in (OBJS): Add range.o
	(clean rules): Delete *.range.
	(toplev.o): Depend on range.h.
	(dbxout.o, global.o): Likewise.
	(final.o): Depend on bitmap.h, range.h, except.h, and function.h.
	(range.o): Add dependencies.
	* range.c, range.h: New files.
	* dbxout.c: Include "range.h".
	(range_current, range_max_number_for_parms): New static variables.
	(range_max_number): New global variable.
	(dbxout_symbol_name): New argument "live_range_p".  All callers
	changed.
	(dbxout_live_range_alias): New function.
	(dbxout_live_range_parms): Likewise.
	(dbxout_symbol_location): Call dbxout_live_range_alias.
	(dbxout_symbol_name): If live_range_p, then output LRS
	debug symbol extensions.
	(dbxout_parms): Handle LRS optimizations.
	(dbxout_really_begin_function): Keep track of range_max_number at
	function entry (so we can properly output ranges for parameters).
	(dbxout_function): Call dbxout_live_range_parms.
	* final.c: Include "function.h", "range.h", "bitmap.h" and "obstack.h".
	(block_nodes): New global.
	(rtl_obstack, range_max_number): Declare.
	(struct block_seq): New structure for blocks.
	(pending_blocks): Now a struct block_seq *.
	(init_final): Fix allocation of pending_blocks.
	(final): Call identify_blocks to get the block nodes for the current
	function.  When finished, free space allocated for block_nodes.
	(final_scan_insn): Handle LRS notes.  Various fixes for change in
	pending_blocks structure.
	* flags.h (flag_live_range): Declare new variable.
	(flag_live_range_gdb, flag_live_range_scope): Likewise.
	* function.c (reorder_blocks): Revamp to track blocks created by LRS
	optimizations.
	* global.c: Inlcude obstack.h and range.h.
	(global_obstack): New obstack for use in global allocation.
	(reg_live_ranges, save_reg_renumber): New static variables.
	(CLEAR_CONFLICT): Define.
	(record_conflits): Now accepts int* as first argument.  All callers
	changed.
	(undo_live_range, global_init): New functions.
	(global_alloc): Split into two functions, global_init and global_alloc.
	Try to allocate LRS copies first, then fall back to normal allocation
	order.  If some LRS copies did not get hard regs, then undo some live
	ranges.  Free the global_obstack when finished.
	(global_init): Allow multiple calls.  Only allocate space on the first
	call.  Allocate stuff on the global obstack instead of with alloca.
	(allocno_compare): Handle LRS copies.
	(global_conflicts): block_start_allocnos is an int * now.  Allocate
	space on the global obstack.  Remove conflicts between LRS copies from
	LRS base registers.
	(find_reg): For an LRS copy, try to allocate it in the same reg as
	another LRS copy.
	* output.h: Declare block_nodes.
        * regclass.c ({pref,alt}class_buffer): New statics to hold buffers
        allocate_reg_info allocates for {pref,alt}class_buffer.
        (regclass): Use {pref,alt}class_buffer to initialize
        {pref,alt}class.
        (allocate_reg_info): Allocate buffers for the preferred and alter
	register class information.
	* regs.h (struct reg_n_info): Add fields for LRS info.
	(REG_N_RANGE_CANDIDATE, REG_N_RANGE_COPY_P): New accessor macros.
	* toplev.c: Include range.h.
	(live_range_dump, flag_live_range): New variables.
	(flag_live_range_gdb, flag_live_range_scope): Likewise.
	(live_range_time): Likewise.
	(f_options): Add LRS options.
	(compile_file): Call init_live_range.  Clean the .range dump file
	if necessary.  Print time spent in LRS.
	(rest_of_compilation): Optimize live ranges if requested.  Free basic
	block info and regsets when finished with the current function.  Also
	call init_live_range to reinitialize LRS.
	(main): Perform LRS dumps is requested.

Tue May 12 23:23:25 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (move_src_operand): Reject loads with PRE_INC or PRE_DEC.
	(move_dest_operand): Reject stores with POST_INC.
	(m32r_print_operand): Change abort calls into fatal_insn calls.
	(m32r_print_operand_address): Ditto.

	* m32r.h (EXTRA_CONSTRAINT): 'S' is now for stores with PRE_INC or
	PRE_DEC.  'U' is now for loads with POST_INC.
	(HAVE_PRE_{INC,DEC}REMENT): Define.
	(HAVE_POST_INCREMENT): Ditto.
	(PUSH_POP_P): Delete, no longer used.
	(LOAD_POSTINC_P): Recognize loads with POST_INC.
	(STORE_PREINC_PREDEC_P): Recognize stores with PRE_{INC,DEC}.
	(GO_IF_LEGITIMATE_ADDRESS): Recognize loads with POST_INC, and
	stores with PRE_{INC,DEC}.

	* m32r.md (movsi_insn): Separate loads with POST_INC from stores
	with PRE_{DEC,INC}.  Emit push/pop if pushing/poping stack
	pointer.
	(movsf_insn): Allow memory loads to have POST_INC, and stores to
	have PRE_{DEC,INC}.

Mon May 11 11:34:17 1998  Jeffrey A Law  (law@cygnus.com)

	* egcs -> gcc merge.  See ChangeLog.egcs & ChangeLog.12 for
	details.

	* lcm.c (compute_latein, compute_firstin): Fix thinko.

Mon May 11 07:33:27 1998  Michael Meissner  <meissner@cygnus.com>

	* lcm.c (compute_latein): Fix typo.

Mon May 11 02:36:22 1998  Jeffrey A Law  (law@cygnus.com)

	* lcm.c (compute_latein): Avoid mis-compiling latein for the
	last block.
	(compute_firstout): Similarly, but for the first block.
	(compute_isoinout): Solve as a backward dataflow problem.
	(compute_rev_isoinout): Simlarly, but solve as a forward problem.

Sun May 10 11:03:03 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (compute_hash_table): Delete unused "f" parameter.
	(compute_set_hash_table, compute_expr_hash_table): Likewise.
	(one_classic_gcse_pass, one_cprop_pass): Likewise.
	(one_pre_gcse_pass, one_code_hoisting_pass): Likewise.
	(hoist_code): Remove unused variable "changed".
	(insert_insn_end_bb): Wrap "note" parameter inside #ifdef HAVE_cc0.
	(mark_call): Remove unused "pat" parameter.

	* lcm.c (compute*): Remove either s_preds or s_succs, whichever
	is unused.  All callers changed.
	(compute_rev_redundant, compute_rev_optimal): Delete unused functions.
	(pre_lcm, pre_rev_lcm): Delete unused parameter "comp".
	* basic-block.h (pre_lcm, pre_rev_lcm): Update declarations.
	* gcse.c (compute_pre_data): Corresponding changes.

Thu May  7 16:20:59 1998  Gavin Koch  <gavin@cygnus.com>

	* config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
	ASM_OUTPUT_WEAK_ALIAS): Define.
	* config/mips/elf64.h: Same.
	* config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
	ASM_WEAKEN_LABEL): Removed.

Tue May  5 14:28:53 1998  Jim Wilson  <wilson@cygnus.com>

	* elfb4100.h, elfb4300.h, elfb4320.h, elfb4900.h, elfb5000.h,
	elfl4100.h, elfl4300.h, elfl4320.h, elfl4900.h, elfl5000.h
	(MULTILIB_DEFAULTS): Move definition after elf64.h include.

Mon May  4 09:00:56 1998  Jeffrey A Law  (law@cygnus.com)

	* lcm.c: New file with generic partial redundancy elimination 
	and lazy code motion support.
	* Makefile.in: Corresponding changes.
	* basic-block.h (pre_lcm): Declare.
	(pre_rev_lcm): Likewise.
	* gcse.c: Remove various static variables no longer needed.
	(alloc_pre_mem): Only allocate space for local properties, redundant,
	optimal and a scratch bitmap.
	(free_pre_mem): Simlarly.
	(compute_pre_antinout): Deleted.
	(compute_pre_earlyinout, compute_pre_delayinout): Likewise.
	(compute_pre_latein, compute_pre_isoinout): Likewise.
	(compute_pre_optimal, compute_pre_redundant): Likewise.
	(compute_pre_data): Call pre_lcm.

Thu Apr 30 16:07:02 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.h (ASM_OUTPUT_ALIGNED_BSS): Call v850_output_aligned_bss().
	* config/v850/v850.c (v850_output_aligned_bss): New
	function. Preserve alignment information when emitting symbols
	into the bss section.
	(v850_output_bss): Function removed.

Wed Apr 29 16:18:40 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (ASM_OUTPUT_SOURCE_LINE): Use .debugsym instead of
	creating a label if -Os to prevent extra NOPs.

Tue Apr 28 11:10:10 1998  Mark Alexander  <marka@cygnus.com>

	* config/sparc/t-sp86x (MULTILIB_OPTIONS): Remove big-endian.
	(MULTILIB_DIRNAMES): Add "little" for brevity.

Mon Apr 27 17:07:09 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Use
	frame_pointer_rtx rather than FRAME_POINTER_REGNUM.

Sun Apr 26 17:04:11 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.c (conditional_move_operand): Silence a debug message.

Fri Apr 24 06:46:40 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
	pointer as second register in REG+REG pair.

Thu Apr 23 12:13:36 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (expand_prologue): Only generate callt using
	insns if TARGET_DISABLE_CALLT is not defined.

Wed Apr 22 17:53:04 1998  Stan Cox  <scox@equinox.cygnus.com>

	* sparc.c (sparc_override_options): New option name -mcpu=sparclite86x.

Wed Apr 22 17:23:07 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (TARGET_M32R): New macro.
	(PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.

	* m32r.c ({small,long}_insn): New predicates.

	* m32r.md (insn_size): New attribute.
	({,rev_}branch_insn): Add .s qualifier to branches believed to be
	short.
	(m32r): New attribute.
	(small_sequence,long_group): Add initial framework for instruction
	grouping.

	* m32r.h (ASM_SPEC): Add -O to the assembler arguments if we are
	compiling for the m32rx and optimizing.

	* m32r.md (m32rx{,_pipeline}): New attributes.
	(small_parallel): Add initial framework for instruction grouping.
	
	* rtl.def (GROUP_{PARALLEL,SEQUENCE}: Add new insns.

Mon Apr 20 13:31:17 1998  Dave Brolley  <brolley@cygnus.com>

	* stmt.c (mark_seen_cases): Needs to be external linkage for Chill.

Mon Apr 20 07:37:49 1998  Michael Meissner  <meissner@cygnus.com>

	* i386.c: Include expr.h to get the change_address prototype
	declared.

Sat Apr 18 23:37:59 1998  Stan Cox  <scox@equinox.cygnus.com>

	* configure.in: Added sparc86x.
	* configure: Regenerate.
	
	* sparc.h (TARGET_CPU_{hypersparc,sparc86x},
	PROCESSOR_{HYPERSPARC,SPARC86X}): Added for sparc86x/hypersparc.  
	(ADJUST_COST): Call hypersparc_adjust_cost.
	
	* sparc.c (hypersparc_adjust_cost): Added for sparc86x/hypersparc.

	* sparc.md (define_function_unit): Added for sparc86x/hypersparc.
	(define_attr "cpu"): Added hypersparc/sparc86x.
	
	* (t-sp86x, sp86x-elf.h, sp86x-aout.h: Added for sparc86x.
	
Thu Apr 16 22:38:23 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (dump_sbitmap, dump_sbitmap_vector): Move these into
	flow.c.

Tue Apr 14 14:10:43 1998  Dave Brolley  <brolley@cygnus.com>

	* toplev.c: Call init_parse using new interface.

	* c-lex.c (init_parse): Now returns char* containing the filename.
Mon Apr 13 11:31:29 1998  Michael Meissner  <meissner@cygnus.com>

	* m32r.h (HAIFA_P): Define as 1/0 depending on whether the Haifa
	scheduler was selected.
	(ISSUE_RATE): Define as 2.

	* configure.in (enable_haifa): Switch m32r to Haifa by default.
	* configure: Regenerate.

Sun Apr 12 13:35:49 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (gcse_main): Run code hoisting if optimizing for
	code space.

1998-04-10  Ken Raeburn  <raeburn@cygnus.com>

	* config/arm/thumb.h, config/d10v/d10v.h,
	config/generic/generic.h, config/z8k/z8k.h (MEMORY_MOVE_COST):
	Updated to show extra args, currently ignored.  See my 16-Mar
	change.
	* config/d30v/d30v.h (MEMORY_MOVE_COST): Likewise.

Fri Apr 10 15:38:21 1998  Jim Wilson  <wilson@cygnus.com>

	* config/i386/i386elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Delete.
	* configure.in (i[34567]86-*-elf*): Add ${xm_file} and xm-svr4.h to
	xm_file list.

Fri Apr 10 10:42:42 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add trailing newline.

	* rtl.c (read_skip_spaces): Prevent infinite loops upon
	encountering unterminated comments.

	* config/arm/aout.c:      Add CYGNUS LOCAL markers.
	* config/arm/riscix.h:    Add CYGNUS LOCAL markers.
	* config/arm/riscix1-1.h: Add CYGNUS LOCAL markers.
	* config/arm/semiaof.h:   Add CYGNUS LOCAL markers.
	* config/arm/t-linux:     Add CYGNUS LOCAL markers.
	* config/arm/thumb.h:     Remove CYGNUS LOCAL markers.
	* config/arm/thumb.c:     Remove CYGNUS LOCAL markers.

Thu Apr  9 16:26:53 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add CYGNUS LOCAL markers.
	* config/m32r/m32r.c:  Add CYGNUS LOCAL markers.
	* config/m32r/m32r.h:  Add CYGNUS LOCAL markers.
	* config/m32r/t-m32r:  Add CYGNUS LOCAL markers.

	* config/arm/README-interworking: Added note about DLLs not
	working.

	* config/arm/arm.c:  Add CYGNUS LOCAL markers.
	* config/arm/arm.h:  Add CYGNUS LOCAL markers.
	* config/arm/arm.md: Add CYGNUS LOCAL markers.
	* config/arm/coff.h: Add CYGNUS LOCAL markers.
	* config/arm/semi.h: Add CYGNUS LOCAL markers.
	* config/arm/t-bare: Add CYGNUS LOCAL markers.
	* config/arm/lib1funcs.asm: Add CYGNUS LOCAL markers.

Thu Apr  9 12:57:05 1998  Alexandre Petit-Bianco  <apbianco@cygnus.com>

	* tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
 	* tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
 	COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
 	(build_expr_wfl): New prototype declaration.
 	* tree.c (build_expr_wfl): New function, to build
 	EXPR_WITH_FILE_LOCATION nodes.
 	(copy_node): Don't zero TREE_CHAIN if copying a
 	EXPR_WITH_FILE_LOCATION node.
 	* print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
 	* expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.

Thu Apr  9 12:14:40 1998  Jeffrey A Law  (law@cygnus.com)

	* loop.c (loop_optimize): Call init_alias_analysis immediately after
	reg_scan.

	* configure.in: Kill mpw.
	* config.sub: Likewise.

Wed Apr  8 15:08:57 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in m68010-adobe-scout): Delete obsolete local config.
	(m68k-apollo-sysv, m68k-tandem-*, m68*-netx,vxworks*): Likewise.
	(mips-ncd-elf*, powerpc-*-netware*): Likewise.
	* config.sub: Kill "scout" references.

	* configure.in: Completely disable objc unless --enable-objc is
	specified at configure time.
	* objc/Make-lang.in: Remove CYGNUS LOCAL hack.

	* configure.in: Reorganize local configurations to make
	merging with egcs easier.

	* gcc.c (process_command): putenv only takes a single argument.

	* gcse.c: Include "system.h".
	* Makefile.in (gcse.o): Add missing dependencies.

Mon Apr  6 11:29:34 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (pre_expr_reaches_here): First argument is the starting
	basic block; add new arg check_pre_comp.  All callers changed.
	If !check_pre_comp, then do not require the expression to be set
	in the starting basic block.
	(pre_insert): Do not insert an expression if it does not reach
	any deleted occurences of the expression.
 
Mon Apr  6 07:17:52 1998  Catherine Moore  <clm@cygnus.com>

        * combine.c (can_combine_p):  Include successor in volatile test.

Fri Apr  3 15:59:35 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (run_jump_opt_after_gcse): Renamed from gcse_jumps_altered.
	All references changed.
	(gcse_main): If we split any edges, then run jump optimizations
	after gcse.

Wed Apr  1 17:06:19 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.h: Add super interworking support.
	* config/arm/thumb.c: Add super interworking support.
	* config/arm/thumb.md: Add super interworking support.
	* config/arm/tpe.h: Add super interworking support.
	* config/arm/lib1funcs.asm: Add interworking support.
	* config/arm/lib1thumb.asm: Add super interworking support.
	* config/arm/t-pe: Add super interworking support.
	* config/arm/t-semi: Add interworking support.
	* config/arm/t-thumb: Add interworking support.
	* config/arm/t-pe-thumb: Add super interworking support.
	* config/arm/README-interworking: New file.

Mon Mar 30 09:22:16 1998  Jeffrey A Law  (law@cygnus.com)

	* mips.md (rotrsi3): Use GEN_INT instead of gen_rtx (CONST_INT).
	(rotrdi3): Likewise.

Mon Mar 30 12:27:21 1998  Nick Clifton  <nickc@cygnus.com>

	* invoke.texi (ARM Options): Removed spurious @end table marker.

	* config/m32r/m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint
	to perfoirm the equivalent of a negated 'I' constraint.

	* config/m32r/m32r.md (cmp_ne_small_const_insn): Use 'S'
	constriant rather than 'I' since the value is negated.

Sat Mar 28 13:03:22 1998  Nick Clifton  <nickc@cygnus.com>

	* invoke.texi: Document more ARM and Thumb options.

Fri Mar 27 16:15:29 1998  Michael Meissner  <meissner@cygnus.com>

	* gcc.c (make_relative_prefix): If argv[0] does not contain a
	directory separator, look up the name in the PATH environment
	variable.

Wed Mar 25 13:50:16 1998  Dave Brolley  <brolley@cygnus.com>

	* cccp.c: Restore chill support.

Tue Mar 24 10:44:11 1998  Nick Clifton  <nickc@cygnus.com>

	* Makefile.in (gcov$(exeext)): Support .exe extension to gcov.

	* collect2.c (find_a_file): Add debugging.
	(find_a_file): Test for win32 style absolute paths if
	DIR_SERPARATOR is defined.
	(prefix_from_string): Add debugging.
	(main): Test for debug command line switch at start of program
	execution. 
	(main): Use GET_ENVIRONMENT rather than getenv().
	
Sun Mar 22 16:15:45 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/tpe.h (ASM_DECLARE_FUNCTION_NAME): Include
	.thumb_func directive in function header.

Fri Mar 20 09:32:46 1998  Nick Clifton  <nickc@cygnus.com>

	* objc/Make-lang.in: Apply patch from Geoff Noer (noer@cygnus.com)
	to allow cygwin32 native toolchain builds via canadian crosses.

	* objc/Makefile.in: Apply patch from Geoff Noer (noer@cygnus.com)
	to allow cygwin32 native toolchain builds via canadian crosses.

	* Makefile.in: Apply patch from Geoff Noer (noer@cygnus.com) to
	allow cygwin32 native toolchain builds via canadian crosses.

	* config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.

Fri Mar 20 09:27:06 1998  Jeffrey A Law  (law@cygnus.com)

	* pa.h (CPP_SPEC): Finish last change.

Thu Mar 19 22:33:35 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in (hppa1.1-hp-hpux11): Use pa-hpux11.h
	(hppa1.0-hp-hpux11): Likewise.
	* pa/pa-hpux11.h: New file.

	* pa.h (CPP_SPEC): If !ansi, then define __STDC_EXT__.

Thu Mar 19 13:45:28 1998  Nick Clifton  <nickc@cygnus.com>

	* config/i386/xm-cygwin32.h (GET_ENVIRONMENT): Patch resubmitted,
	since it appears to have been lost in the shuffle....

	* config/arm/thumb.c (arm_valid_machine_decl_attribute): Copied
	from arm.c for thumb-pe builds.

	* config/arm/t-pe-thumb: New file: makefile fragement for thumb-pe
	build.

	* config/arm/tpe.h: New file: PE support for thumb-pe build.

Thu Mar 19 09:14:19 1998  Jeffrey A Law  (law@cygnus.com)

	* configure.in: Handle hpux11 just like hpux10 for now.

Wed Mar 18 11:21:16 1998  Nick Clifton  <nickc@cygnus.com>

	* config/i386/xm-cygwin32.h (GET_ENVIRONMENT): Do not call
	cygwin32_posix_path_list_p with a NULL or empty path.

Wed Mar 18 09:33:13 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/thumb.c (arm_valid_machine_decl_attribute): New
	function for thumb-pe support.

	* configure.in: Add thumb-pe target.

	* configure: Add thumb-pe target.

	* config.sub (maybe_os): Add thumb-pe target.

Mon Mar 16 16:24:45 1998  Michael Meissner  <meissner@cygnus.com>

	* gcc.c (make_relative_prefix): If directory is the same as
	expected, or there are no directory separators, don't create a
	relative pathname.

Fri Mar 13 17:55:04 1998  Michael Meissner  <meissner@cygnus.com>

	* i386/cygwin32.h    (GET_ENVIRONMENT): Delete from here.
	* i386/xm-cygwin32.h (GET_ENVIRONMENT): Move to here.  
	Initialize variable if not a posix style pathname.
	
Fri Mar 13 17:54:04 1998  Michael Meissner  <meissner@cygnus.com>

	* gcc.c (DIR_UP): If not defined, define as "..".
	(standard_bindir_prefix): New static, holds target location to
	install binaries.
	(split_directories): New function to split a filename into
	component directories.
	(free_split_directories): New function, release memory allocated
	by split_directories.
	(make_relative_prefix): New function, make a relative pathname if
	the compiler is not in the expected location.
	(process_command): Use GET_ENVIRONMENT to read GCC_EXEC_PREFIX.
	If GCC_EXEC_PREFIX was not specified, see if we can figure out an
	appropriate prefix from argv[0].

	* Makefile.in (gcc.o): Define STANDARD_BINDIR_PREFIX.

Fri Mar 13 11:49:49 1998  Stan Cox  <scox@equinox.cygnus.com>

	* config/i386/cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
	style environment paths.

Thu Mar 12 16:22:03 1998  Stan Cox  <scox@cygnus.com>

	* sparc/liteelf.h (MULDI3,DIVDI3,UDIVDI3,MODDI3,UMODDI3)_LIBCALL:
	Undefine solaris library routines.
	
Thu Mar 12 13:21:38 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.md (movsi, movhi, movhi_insn_arch4,
	movho_insn_littleend, movhi_insn_bigend): Use
	ok_integer_or_other().
	(movhi_insn_arch4): Swap order of 2nd and 3rd alternatives to
	avoid problem in reload.

	* config/arm/arm.c: (find_barrier_insn): Return barrier insn, if
	found, rather than insn after the barrier.
	(ok_integer_of_other): New function, to avoid duplication in md
	file. 

	* config/arm/arm.h: Add prototype for ok_integer_or_other().

Wed Mar 11 14:28:30 1998  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (compile_file): Print out gcse time.

	* toplev.c (rest_of_compilation): Only rerun jump optimizations
	after gcse if gcse changes some jumps.

Wed Mar 11 15:21:52 1998  Michael Meissner  <meissner@cygnus.com>

	* haifa-sched.c (schedule_insns): Remove debug statement.

Wed Mar 11 15:44:54 1998  Gavin Koch  <gavin@cygnus.com>

	* mips/mips.h (MASK_DEBUG_E): Redefine to zero. 

Tue Mar 10 12:20:57 1998  Stan Cox  <scox@rtl.cygnus.com>

	* sparc/liteelf.h (PREFERRED_DEBUGGING_TYPE): Make dwarf2
	the default debugging type.

Mon Mar  9 16:29:34 1998  Michael Meissner  <meissner@cygnus.com>

	* expr.c (expand_builtin): Add __builtin_expect code back in.
	* rs6000.c (ccr_bit,print_operand): Ditto.

Mon Mar  9 14:24:27 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* t-sh (MULTILIB_OPTIONS): Add m4-single-only.
	(MULTILIB_MATCHES): Remove m3e=m4-single-only.

Sun Mar  8 23:46:29 1998  Stan Cox  <scox@equinox.cygnus.com>

	* configure, configure.in (sparclite-*-elf*): Added.
	* sparc/liteelf.h: New file.

Sat Mar  7 13:59:47 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* d10v.h, generic.h (LOOP_ALIGN): Fix comment delimiter.

Fri Mar  6 21:28:45 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* d10v.h, generic.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
	* arm/thumb.h, i386/i386elf.h, m68k/st2000.h, z8k.h: Likewise.
	* d30v.h: Likewise.

Fri Mar  6 11:35:50 1998  Dave Brolley  <brolley@cygnus.com>

	* gcse.c (hoist_code): Should return void.

Thu Mar  5 23:45:08 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c: Bring back old classic gcse pass.
	(gcse_main): If optimizing for code size perform classic gcse
	instead of partial redundancy elimination.

Thu Mar  5 09:09:08 1998  Catherine Moore <clm@cygnus.com>
       * config/v850/v850.h: Add option -mdisable-callt.
       * config/v850/v850.md: Don't generate callt instructions if
       -mdisable-callt has been specified.

Thu Mar  5 09:09:08 1998  Catherine Moore <clm@cygnus.com>

        * config/v850/lib1funcs.asm (___udivsi3):  Don't use r5.
        * config/v850/t-v850: Add -mno-app-regs to target build flags.
        * config/v850/v850.h:  Change STATIC_CHAIN_REGNUM from 5 to 20.
        Add option -mno-app-regs.  Add CONDITIONAL_REGISTER_USAGE macro.

Thu Mar  5 14:39:45 1998  Fred Fish  <fnf@cygnus.com>

	* config/d30v/d30v.h: Fix prematurely terminated comment.

Tue Mar  3 09:12:04 1998  Nick Clifton  <nickc@cygnus.com>

	* toplev.c: Do not generate a <name>.dbr file when dumping RTL
	unless DELAY_SLOTS is defined.

Mon Mar  2 20:06:04 1998  J"orn Rennecke <amylaar@cygnus.co.uk>

	* generic.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
	replace with:
	(LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
	* d10v.h: Likewise.
	* d30v.h: Likewise.

Wed Feb 25 10:02:19 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.md (movsfcc, movdfcc): Cope with constants that
	cannot be placed into instructions.  Patch supplied by Richard
	Earnshaw. 

Sun Feb 22 22:05:33 1998  Jeffrey A Law  (law@cygnus.com)

	* Use lazy code motion to drive placement partially redundant
	expressions and register copies.
	* First implementation of code hoisting pass.  Currently
	disabled due to code expansion.
	* gcse.c: (compute_{cprop,pre}_local_properties): Combined into a
	single function.  Accepts additional arguments as needed.  All
	references updated.
	(cprop_insn, cprop, one_cprop_pass): New arg to determine if jumps
	can/should be altered.  All references changed appropriately.
	(insert_insn_end_bb): Renamed from pre_insert_insn.
	(alloc_code_hoist_mem): New function for code hoisting.
	(free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
	(compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
	(hoist_code, one_code_hoisting_pass): Likewise.
	(gcse_main): Put check for setjmp at start of gcse_main and
	generally clean up initialization.  Do not allow cprop to
	alter jumps until the last pass.  Add appropriate calls to
	code hoisting support (currently #ifdef'd out).
	(compute_local_properties): New function for computing local
	properties for pre, cprop and code hoisting.
	(cprop_insn): Only cprop into jumps if alter_jumps is nonzero.
	(pre_av{invout}, pre_pav{in,out}, pre_pp{in,out}): Delete old pre
	variables.
	(pre_early{in,out},  pre_delay{in,out}, pre_latein): New variables
	for lazy code motion.
	(pre_iso{in,out}, pre_optimal, pre_redundant, temp_bitmap): Likewise.
	(pre_reundant_insns): Likewise.
	(alloc_pre_mem, free_pre_mem): Updated for changes in pre variables.
	(compute_pre_data): Likewise.
	(compute_pre_avinout, compute_pre_ppinout): Deleted.
	(compute_pre_earlyinout): New function for lazy code motion.
	(compute_pre_delayinout, compute_pre_latein): Likewise.
	(compute_pre_isoinout, compute_pre_optimal): Likewise.
	(compute_pre_redundant): Likewise.
	(pre_insert): Rework to only insert expressions at optimal	
	computation points as determined by lazy code motion.
	(pre_insert_copies): Rework to only copy expressions where
	necessary for lazy code motion.
	(pre_delete): Rework to delete insns which are redundant at
	not optimally placed.
	(hoist_antloc, hoist_transp, hoist_comp): Variables for code hoisting.
	(hoist_vbe{in,out}, hoist_exprs): Likewise.
	(dominators, post_dominators): Likewise.
	
Fri Feb 20 15:42:56 1998  Gavin Koch  <gavin@cygnus.com>

	* mips/t-vr4100 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): 
	Add mno-mips16 and mips16.
	* mips/elfb4100.h, mips/elfl4100.h (MULTILIB_DEFAULTS) :
 	Add "mno-mips16".

Fri Feb 13 14:55:13 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add peephole optimisation to cope with
	PR14189, pending a better solution.

	* config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Define in
	order to allow peephole optimisation to work.

Fri Feb 13 02:57:19 1998  J"orn Rennecke  <amylaar@cygnus.com>

	* d10v.h (DEFAULT_PCC_STRUCT_RETURN) Define as 0.

Wed Feb 11 09:07:22 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.h (ASM_SPEC): Pass on
	--nmo-warn-explicit-parallel-conflicts to the assembler.
Mon Feb  9 09:53:41 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.c (v850_output_local): Call
	ASM_OUTPUT_ALIGNED_DECL_COMMON rather than ASM_OUTPUT_DECL_LOCAL
	(which is not defined).

	* varasm.c (assemble_variable): Ditto.

Fri Feb  6 14:55:28 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850ea.h: Remove multilibing and add -mUS-bit-set
	command line option.

	* config/v850/v850e.h: Remove multilibing.

	* config/v850/v850.c (ep_memory_offset): Support new command line
	options -msmall-sld and -mUS-bit-set to allow fine tuning of the
	SLD.[BH] offsets.
	* config/v850/v850.h: Ditto. 

	* config/v850/t-v850: Remove multilibing and replace with single,
	universal build using -mv850 and -msmall-sld command line options.


Fri Feb  6 09:19:12 1998  Gavin Koch  <gavin@cygnus.com>

	* mips/elfb4100.h (DWARF2_DEBUGGING_INFO,PREFERRED_DEBUGGING_TYPE,
	SUBTARGET_ASM_DEBUGGING_SPEC): Define.
	* mips/elfl4100.h (DWARF2_DEBUGGING_INFO,PREFERRED_DEBUGGING_TYPE,
	SUBTARGET_ASM_DEBUGGING_SPEC): Same.

Fri Feb  6 02:53:28 1998  J"orn Rennecke  <amylaar@cygnus.com>

	* d10v.h (MUST_PASS_IN_STACK): Define.

	* d10v/libgcc1.asm (__cmpdi): Fix bug in last change.

	* d10v.md (movhi): Don't call force_reg while reloading.
	(movsi): Handle case when reload asks us to use an uneven reg pair.

	Undo this change:
	  * va-d10v.h (__va_start_common): Add DELTA argument to subtract
	  from register number.
	  (va_start): Add DELTA argument to __va_start_common call, stdarg
	  passes 0, varargs needs to ignore last argument.

Tue Feb  3 15:45:55 1998  Gavin Koch  <gavin@cygnus.com>

	* mips/elfb4100.h (SUBTARGET_CPP_SPEC): Insure that __mips64
	is defined.
	* mips/elfl4100.h (SUBTARGET_CPP_SPEC): Same.

Sat Jan 31 02:18:52 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (gcse_main): Fix minor typo in critial edge splitting code.
	(pre_insert_insn): Correctly handle inserting code before a switch
	table.

Thu Jan 29 18:29:30 1998  Ian Lance Taylor  <ian@cygnus.com>

	* config/d30v/d30v.h (LINK_SPEC): Never specify -h.

Wed Jan 28 16:43:49 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.c zero_and_one, emit_cond_move): Add support
	for MVFC instruction.

	* config/m32r/m32r.h: Ditto. 

	* config/m32r/m32r.md: Ditto.

Mon Jan 26 11:20:55 1998  Gavin Koch  <gavin@cygnus.com>

	* configure.in (mips64vr4100-*-elf*,mips64vr4100el-*-elf*):
	Add abi64.h to the tm_file list.
	* configure: Rebuild.
	* mips/elfb4100.h (MIPS_ABI_DEFAULT,SUBTARGET_CPP_SIZE_SPEC,
	SUBTARGET_CPP_SPEC): Define.
	* mips/elfl4100.h (MIPS_ABI_DEFAULT,SUBTARGET_CPP_SIZE_SPEC,
	SUBTARGET_CPP_SPEC): Define.

Sun Jan 25 21:46:07 1998  Michael Meissner  <meissner@cygnus.com>

	* va-d10v.h (__va_start_common): Add DELTA argument to subtract
	from register number.
	(va_start): Add DELTA argument to __va_start_common call, stdarg
	passes 0, varargs needs to ignore last argument.

	* d10v.c (emit_move_word): Use %. to emit code to access the 0
	register, not hardcoded r0.

	* d10v.md (movqi_internal): Use %. to emit code to access the 0
	register, not hardcoded r0.

Fri Jan 23 13:50:42 1998  Jeffrey A Law  (law@cygnus.com)
	
	* recog.c (validate_replace_src): Allow replacement in JUMP_INSNs.
	* toplev.c (rest_of_compilation): Run loop optimizations after
	gcse if gcse alters any jumps.
	(flag_classic_gcse): Remove flag and all references.
	* gcse.c: Clean up some comments, remove classic GCSE code,
	variables, comments, etc.
	(gcse_jumps_altered): New variable.
	(gcse_main): Returns an int now.  Fix return statements.  Return
	zero normally, return nonzero if gcse modifies any jumps.
	(compute_preds_succs): Make sure last insn in the block is a 
	JUMP_INSN before passing it to condjump_p.
	(cprop_insn): Handle constant/copy propagation into JUMP_INSNs.
	* jump.c (jump_optimize): Delete (set (pc) (pc)) insns created
	by gcse.

Fri Jan 23 09:39:36 1998  Nick Clifton  <nickc@cygnus.com>

	* toplev.c: Add -dM command line option to dump RTL after the
	machine dependent reorganisation pass, if there is one.
	Reorganise RTL dump code, so that only one file handle is
	needed. 

	* configure.in: Fix indentation of CYGNUS LOCAL markers.

	* configure: Add support for thumb-coff.

	* toplev.c (lang_options): Add -Wunknown-pragmas and
	-Wno-unknown-pragmas. 

Fri Jan 23 11:20:19 1998  Michael Meissner  <meissner@cygnus.com>

	* d10v.c (override_options): Use GPR_EVEN_P.
	(override_options): Change to new ABI where args are in r0..r3,
	r14 is zero register.  Change names of register class to be
	ARG{0,1,2,3}_REGS, not R{2,3,4,5}_REGS, and RETURN_REGS instead of
	R13_REGS.
	(print_operand{,_memory_reference}): Ditto.
	(d10v_stack_info): Ditto.
	(function_{pro,epi}logue): Ditto.
	(emit_move_4words): Make refers_to_regno_p be type correct.

	* d10v.h (ARG_{FIRST,LAST}): Change to new ABI where args are in
	r0..r3, r14 is zero register.  Change names of register class to
	be ARG{0,1,2,3}_REGS, not R{2,3,4,5}_REGS, and RETURN_REGS instead
	of R13_REGS.
	(GPR_ZERO_REGNUM): Ditto.
	(SAVE_{ACC,GUARD}_REGNUM): Ditto.
	({FIXED,CALL_USED}_REGISTERS): Ditto.
	(REG_ALLOC_ORDER): Ditto.
	(reg_class): Ditto.
	(REG_CLASS_{NAMES,CONTENTS}): Ditto.
	(STATIC_CHAIN_REGNUM): Ditto.
	({FUNCTION,LIBCALL}_VALUE): Ditto.
	(FUNCTION_VALUE_REGNO_P): Ditto.

	* d10v.md (32-bit shifts): Change to new ABI where args are in
	r0..r3, r14 is zero register.  Change names of register class to
	be ARG{0,1,2,3}_REGS, not R{2,3,4,5}_REGS, and RETURN_REGS instead
	of R13_REGS.

	* d10v/libgcc1.asm: Change to new ABI where args are in r0..r3,
	r14 is zero register.  Change names of register class to be
	ARG{0,1,2,3}_REGS, not R{2,3,4,5}_REGS, and RETURN_REGS instead of
	R13_REGS.

	* d10v/scrt0.asm (_start): Zero r14, not r0.

Fri Jan 23 11:20:19 1998  J"orn Rennecke  <amylaar@cygnus.com>

	* d10v.h (CUMULATIVE_ARGS): Now a typedefed struct.
	* d10v.c (init_cumulative_args): Access the appropriate members of cum.
	(function_arg, setup_incoming_varargs): Likewise.
	(function_arg_advance): When an argument doesn't fit in registers,
	retain the remaining argument regsiters for possible use by
	subsequent arguments.
	* va-d10v.h (__va_list_tag): New three members.
	(__va_start_common, va_arg): Update.

	* d10v.c (function_arg_boundary): Alignment for arguments starts
	with an arguemnt size of four bytes.
	(function_arg): No special case for structures > 4 bytes, if they
	fit fully in the remaining argument passing registers, they are
	passed in registers.
	When an argument would exceed the remaining argument passing
	registers, pass it fully on the stack.
	(function_arg_advance): Likewise.  In the latter case, mark remaining
	argument passing registers as used.
	(function_arg_partial_nregs): Remove.
	* d10v.h (FUNCTION_ARG_PARTIAL_NREGS): Don't define.

	* va-d10v.h (enum __type_class): Remove.
	(va_arg): Update.

Thu Jan 22 10:45:40 1998  Nick Clifton  <nickc@cygnus.com>

	* configure.in: Add thumb-*-coff target.

	* config/arm/thumb.c (number_of_first_bit_set): Only use inline
	attribute when compiling with GCC.

	* config/arm/thumb.md (mulsi): Fix PR 14644.  Patch supplied by
	Jim Wilson.

	* config/arm/arm.c (output_func_epilogue): Fix PR14671 by changing
	the logic for determining when stack unwinding code is needed.

Wed Jan 21 11:01:49 1998  Nick Clifton  <nickc@cygnus.com>

	* invoke.texi (M32R/D/X Options): Add documentation of -mcond-exec
	option.

Wed Jan 21 08:28:07 1998  Jeffrey A Law  (law@cygnus.com)

	(gcse_main): If the first call to compute_preds_succs splits edges,
	then call find_basic_blocks again and make another call to
	compute_preds_succs.

Tue Jan 20 16:01:03 1998  Anthony Green  <green@cygnus.com>

	* invoke.texi (Optimize Options): -Os documentation.
	* tm.texi (Run-time Target): New argument to OPTIMIZATION_OPTIONS.
	* flags.h: New flag (optimize_size).
	* toplev.c (main): Parse -Os option and set optimize_space
	accordingly.
	* gcc.c (default_compilers), cp/lang-specs.h, ch/lang-specs.h: Define 
	__OPTIMIZE_SIZE__ when compiling with -Os.
	* config/dsp16xx/dsp16xx.h, config/i386/i386.h,
 	config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
 	config/v850/v850.h, config/d10v/d10v.h, config/generic/generic.h 
	config/sh/sh.h (OPTIMIZATION_OPTIONS): 	New SIZE argument to macro.
	* config/i386/i386.c (optimization_options): Accept new	SIZE argument.

Tue Jan 20 16:01:03 1998  Anthony Green  <green@cygnus.com>

	* config/d30v/d30v.h (OPTIMIZATION_OPTIONS): New SIZE argument to 
	macro.

Tue Jan 20 14:13:06 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add support for conditional execution of
	simple unary operators.  Add support for conditional execution of
	addtion of small constants.
	
	* config/m32r/m32r.h: Ditto.

	* config/m32r/m32r.c (generate_comparison,
	unary_parallel_operator, emit_unary_cond_exec): Ditto.

Tue Jan 20 12:46:37 1998  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (FOLLOW_BACK_EDGES): Enable.

	* gcse.c (dump_occr_list, replace_reg): Likewise.
	(alloc_gcse_mem): Delete unused variables.
	(compute_kill_rd, can_disregard_other_sets): Likewise.
	(find_avail_set, pre_insert_copies, pre_gcse): Likewise.
	(want_to_gcse_p): Add default case for switch statement.
	(oprs_unchanged_p, hash_expr_1, compute_transp): Likewise.
	(expr_equiv_p, oprs_not_set_p, expr_killed_p): Likewise.
	(find_used_regs): Likewise.
	(insert_expr_in_table): Initialize some variables to avoid
	some gcc -Wall warnings.
	(insert_set_in_table, handle_avail_expr): Likewise.
	(handle_avail_expr): Remove some #if 0 code.

Mon Jan 19 16:48:43 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add conditional execution patterns for
	simple binary operations.
	* config/m32r/m32r.h: Add support for conditional execution
	patterns. 
	* config/m32r/m32r.c (conditional_compare_operand,
	binary_parallel_operator, emit_code_exec): New functions to
	implement conditional execution of simple binary operations.

Fri Jan 16 14:30:29 1998  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.md: PR 14644: Fix multiply patterns to prevent
	contraint matching failure when all three registers are the same.

Thu Jan 15 16:41:18 1998  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.h (PREDICATE_CODES): Add declaration of machine
	specific predicates.
	* config/m32r/m32r.md: Add patterns for simple conditional move
	instructions. 

	* config/m32r/m32r.c (gen_compare): Add support for parallel
	instructions. 
	(reg_or_zero_operand): New function.
	(conditional_move_operand): New function.
	(carry_compare_operator): New function.
	(emit_S_clause): New function.
	(emit_cond_move): New function.
	
Tue Jan 13 17:41:10 1998  Jim Wilson  <wilson@cygnus.com>

	* cse.c (invalidate): Remove CYGNUS LOCAL patch.

Mon Jan 12 16:35:04 1998  Nick Clifton  <nickc@cygnus.com>

	* config/v850/v850.md: Removed duplicate entries.

Mon Jan  5 17:22:09 1998  Michael Meissner  <meissner@cygnus.com>

	* d30v.h (CONST_COSTS): Define as an empty instead of not defining
	it.

Wed Dec 31 12:30:03 1997  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.c (call_address_operand): Remove acceptance of
	constant values and addresses held in registers.

Wed Dec 31 12:26:53 1997  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.md: Add patterns for the CMPZ and CMPEQ
	instructions. 
Tue Dec 30 16:19:47 1997  Michael Meissner  <meissner@cygnus.com>

	* d30v.c (d30v_return_addr_rtx): New static variable.
	(override_options): Use SPECIAL_REG_P, not ARG_PTR_FIRST.
	(d30v_stack_info): Note where link pointer is stored.
	(d30v_function_epilogue): Reset d30v_return_addr_rtx.
	(d30v_legitimate_address_p): Correctly test r1 for r0+r1
	addressing.
	(d30v_emit_cond_move): Emit code to do a conditional move.  If the
	move is just the same as setcc or setcc of the reverse condition,
	just emit that code instead.
	(d30v_return_addr): Insert code to copy return address into a
	temporary before saving it.

	* d30v.h (SPECIAL_REG_*): Delete ARG_PTR* macros, replace with
	SPECIAL_REG_* macros.
	({FIXED,CALL_USED}_REGISTERS): Make registers easier to add new
	registers, by starting each group on a separate line.
	(REG_ALLOC_ORDER): Ditto.
	(REGISTER_NAMES): Ditto.
	(MASK_WORD3): Convert a register number into bitmask for 3rd word
	of REG_CLASS_CONTENTS.
	(*_MASK): Use MASK_WORD3 for each of the special/cr/flag/accum
	registers.
	(REG_CLASS_CONTENTS): Use the *_MASK macros.
	({,INCOMING_}RETURN_ADDR_RTX): Define.
	(INCOMING_FRAME_SP_OFFSET): Ditto.
	(ELIMINABLE_REGS): Simplify somewhat.
	(d30v_emit_cond_move): Add declaration.
	(d30v_return_addr): Ditto.

	* d30v.md (mov{qi,hi,si}cc): Use d30v_emit_cond_move to generate
	conditional moves.

Mon Dec 29 14:09:01 1997  Jim Wilson  <wilson@cygnus.com>

	* configure.in (enable_fortran): Delete one too many '[' ']' levels.

Mon Dec 29 14:38:50 1997  Ian Lance Taylor  <ian@cygnus.com>

        * mips/t-vr4100 (LIB2FUNCS_EXTRA): Add mips16.S.
	* mips/t-vr4300: Likewise.

Mon Dec 29 11:39:10 1997  Felix Lee (flee@cygnus.com)

	* gcse.c (pre_insert_insn): Deref maybe_cc0_setter only if non-NULL.

Mon Dec 29 11:11:51 1997  Nick Clifton  <nickc@cygnus.com>

	* config/m32r/m32r.h: Add support for second accumulator register.
	
	* config/m32r/m32r.c: Add support for second accumulator register. 

Mon Dec 29 11:06:16 1997  Jeffrey A Law  (law@cygnus.com)

	* configure.in: Disable fortran by default.

Tue Dec 16 23:08:00 1997  J"orn Rennecke <amylaar@cygnus.co.uk>

	* d10v.h (REG_OK_FOR_BASE_P): Fix non-strict definition.

	* d10v.c (function_arg): Don't pass DImode partially in registers.
	(function_arg_pass_by_reference): Don't pass structs / unions by
	reference.

Tue Dec 16 20:12:39 1997  J"orn Rennecke <amylaar@cygnus.co.uk>

	* d10v.c (emit_comparison): Use CONSTANT_P to detect constant op1.
	Check it for being a CONST_INT before using its value.
	Use plus_constant_for_output to add to it.
	Fix bug in output template for >= 32767.

Tue Dec 16 11:17:12 1997  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (arm_override_options): Force apcs-32 mode if
	interworking is specified.

Fri Dec 12 18:54:23 1997  Per Bothner  <bothner@cygnus.com>

	* expr.c (expand_builtin):  Support BUILT_IN_FMOD - just call fmod.

Fri Dec 12 23:09:29 1997  J"orn Rennecke <amylaar@cygnus.co.uk>

	* d10v.c (override_options): Fix regno_reg_class for registers
	1, 7, 9, 11 and 15.

	(d10v_subword): Fix word_num calculation for SUBREG.

	(emit_subtract): Carry is ! Borrow.

	(emit_comparison): Handle CONSTs.

Fri Dec 12 07:37:49 1997  Michael Meissner  <meissner@cygnus.com>

	* gcse.c (compute_can_copy): If AVOID_CCMODE_COPIES, don't bother
	calling emit_insn/recog to set if we can copy CCmodes.

Wed Dec 10 11:33:38 1997  Jeffrey A Law  (law@cygnus.com)

	* gcse.c (compute_can_copy): Don't allow copies for CCmode values
	if AVOID_CCMODE_COPIES is defined.
	* mips.h (AVOID_CCMODE_COPIES): Define.

Mon Dec  8 17:12:47 1997  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (all_architectures): Removed processor field. 

Wed Dec  3 10:44:25 1997  Gavin Koch  <gavin@cygnus.com>

	* mips/mips.md (muldi3_r4000): Broaden the output template
	and attribute assignments to handle three operand dmult;
	rename to muldi3_internal2.
	(muldi3): Call the new muldi3_internal2 for R4000, and
	any GENERATE_MULT3 chip.

Tue Dec  2 09:20:50 1997  Nick Clifton  <nickc@cygnus.com>

	* config/arm/lib1funcs.asm: Add error condition if
	__USER_LABEL_PREFIX__ is not defined.

	* config.sub: Add support for Thumb target.

	* configure: Add support for Thumb target.

Tue Nov 25 19:10:56 1997  J"orn Rennecke <amylaar@cygnus.co.uk>

	* Makefile.in (fixproto-defines): New rule.
	(fixhdr.ready): Depend on fixproto-defines.
	(mostlyclean): Remove fixproto-defines.
	(install-common): Don't create a temporary file, install the
	ready-built fixproto-defines.

Tue Nov 25 11:22:11 1997  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c: Brought up to date with respect to devo and
	branch.
	* config/arm/aout.h:        Ditto.
	* config/arm/arm.h:         Ditto.
	* config/arm/arm.md:        Ditto.
	* config/arm/coff.h:        Ditto.
	* config/arm/lib1funcs.asm: Ditto.
	* config/arm/pe.h:          Ditto.
	* config/arm/riscix.h:      Ditto.
	* config/arm/riscix1-1.h:   Ditto.
	* config/arm/semi.h:        Ditto.
	* config/arm/semiaof.h:     Ditto.
	* config/arm/t-bare:        Ditto.
	* config/arm/t-linux:       Ditto.
	* config/arm/aout.h:        Ditto.
	* config/arm/lib1thumb.asm: Imported from branch.
	* config/arm/t-thumb:       Imported from branch.
	* config/arm/thumb.c:       Imported from branch.
	* config/arm/thumb.h:       Imported from branch.
	* config/arm/tcoff.h:       Imported from branch.
	* config/arm/thumb.md:      Imported from branch.
	* config/arm/xm-thumb.h:    Imported from branch.

Mon Nov 24 17:19:39 1997  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.md: Updated with changes in devo.
	* config/arm/arm.c:  Updated with changes in devo.
	* config/arm/arm.h:  Updated with changes in devo.
	* config/arm/aout.h: Updated with changes in devo.
	* config/arm/semi.h: Updated with changes in devo.

Sat Nov 22 15:32:00 1997  Nick Clifton  <nickc@cygnus.com>

	* gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
	(DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
	(process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
	command line arguments to see if an executable is not being
	created, and if so - do not append the suffix.

	* tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
	driver macro.

Sat Nov 22 01:01:41 1997  Jeffrey A Law  (law@cygnus.com)

        * Makefile.in (AR_FOR_TARGET): Clean up "-e" confustion with
	program_transform_name.
	(RANLIB_FOR_TARGET): Likewise.

Tue Nov 11 22:38:02 1997  J"orn Rennecke <amylaar@cygnus.co.uk>

	* combine.c (nonzero_bits): For paradoxical subregs, take
	LOAD_EXTENDED_OP into account.

Mon Nov 10 20:53:11 1997  Gavin Koch  <gavin@cygnus.com>

	* config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
	is available elsewhere.


Local Variables:
add-log-time-format: current-time-string
End:
