changelog-9697

基于4个mips核的noc设计

	* config/tc-v850.c (md_assemble): Corrected spelling mistake.
	* configure.in (emulations): Add v850 emulation.

Tue Sep  9 17:14:33 1997  Doug Evans  <[e-mail]>

	* Makefile.am (CPU_TYPES): Add arc.
	(TARGET_CPU_CFILES): Add tc-arc.c.
	(TARGET_CPU_HFILES): Add tc-arc.h.
	(dependencies): Rebuild.
	* Makefile.in: Rebuild.
	* configure.in: Recognize arc-*-elf*.
	* configure: Regenerated.
	* config/tc-arc.[ch]: New files.

Tue Sep  9 10:19:37 1997  Nick Clifton  <[e-mail]>

	* doc/c-v850.texi (V850 Opcodes): Document hi0() reloc prefix.
	Correct description of hi() reloc prefix.

	* doc/c-v850.texi (V850 Opcodes): Document new reloc prefix.
	* config/tc-v850.c (v850_reloc_prefix): Add hilo() reloc prefix.
	* config/tc-v850.c (md_assemble): Add support for BFD_RELOC_32.

	* doc/c-v850.texi: Document new pseudo ops and command line
	options.

	* config/tc-v850.c (set_machine): New function.
	* config/tc-v850.c (.v850): New pseudo op.
	* config/tc-v850.c (.v850e): New pseudo op.
	* config/tc-v850.c (.v850ea): New pseudo op.
	

Mon Sep  8 23:08:04 1997  Ian Lance Taylor  <[e-mail]>

	Support -alh and -ald for DWARF 1:
	* listing.c (struct list_info_struct): Add debugging field.
	(listing_newline): Initialize the debugging field.  If ELF, if the
	section starts with .debug or .line, set the debugging field in
	the listing structure.
	(debugging_pseudo): Add list parameter.  Change all callers.  If
	the debugging field is set, consider it to be a debugging pseudo.
	If ELF, skip blank lines between debugging lines.
	* read.c (emit_expr): If ELF, look for line numbers.
	(stringer): If ELF, look for file names.

Mon Sep  8 12:33:40 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (v850_insert_operand): Only test for overflow
	if there is no insert function.

	* config/tc-v850.h (TARGET_MACHINE): New constant.

	* config/tc-v850.c (v850_insert_operand): Add
	-mwarn_unsigned_overflow. 
	(md_begin): Set BFD machine number based on machine variable.
	(md_parse_option): Add -mv850, -mv850e and -mv850ea options.

Mon Sep  8 11:20:46 1997  Ian Lance Taylor  <[e-mail]>

	* as.h: Don't declare alloca if it is a macro.
	* macro.c: Likewise.

Sun Sep  7 00:30:19 1997  Richard Henderson  <[e-mail]>

        * config/tc-alpha.c (md_parse_option): Move m[] out to top level and
        rename to cpu_types[].
        (s_alpha_arch): New function.
        (md_pseudo_table): Add "arch".

        * config/tc-alpha.c (md_begin): Merge the two loops through the
        opcode table.
        (s_alpha_proc): Add initial SKIP_WHITESPACE.
        (s_alpha_set): Likewise.  Use get_symbol_end instead local while loop.

Sat Sep  6 19:38:12 1997  Fred Fish  <[e-mail]>

	* read.h (s_lcomm_bytes): Add prototype (for real this time).

Thu Sep  4 12:10:01 1997  Ian Lance Taylor  <[e-mail]>

	* config/obj-elf.c (elf_frob_symbol): Only set BSF_OBJECT for
	symbols on Irix.

Wed Sep  3 11:21:33 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c: Remove BFD_RELOC_V850_16_PCREL.

Tue Sep  2 18:32:30 1997  Jeffrey A Law  ([e-mail])

        * config/tc-mn10200.c (md_convert_frag): PC relative instructions arex
	relative to the next instruction, not the current instruction.
	(md_assemble): Similarly.

Tue Sep  2 15:58:52 1997  Nick Clifton  <[e-mail]>

	* doc/c-v850.texi: Explanations of offsets in SDA/ZDA areas
	correcetd. 

	* config/tc-v850.c: Add support for SDA/TDA/ZDA sections.
	(v850_reloc_prefix): Duplicate code eliminated.  Add code to
	recognise special instructions.
	(md_assemble): Calculation of the size of a fixups corrected.

	* config/tc-v850.h (ELF_TC_SPECIAL_SECTIONS): Add SDA/TDA/ZDA
	sections. 	

Tue Sep  2 15:40:56 1997  Andrew Cagney  <[e-mail]>

	* config/tc-v850.c (md_assemble): Use opcode->name instead of
 	opcode->opcode as the sentinal. Zero is a valid opcode.

Tue Aug 26 16:51:14 1997  Ian Lance Taylor  <[e-mail]>

	* doc/as.texinfo (Machine Dependencies): Add v850 to menu.
	* doc/c-v850.texi: Change node name to match other chapter nodes.

Tue Aug 26 09:46:22 1997  Nick Clifton  <[e-mail]>

	* doc/c-v850.texi (V850 Opcodes): Correct name for tiny data area
	pointer. 

Tue Aug 26 12:23:25 1997  Ian Lance Taylor  <[e-mail]>

	* expr.c (integer_constant): If BFD64, don't make a bignum if the
	number will fit in 64 bits.

	* config/tc-alpha.c (load_expression): Check explicitly for O_big,
	rather than calling abort.

	* as.h: Don't define alloca if __GNUC__.  Just declare it.
	* macro.c: Copy alloca handling from as.h.

	* config/tc-i386.c (i386_align_code): Correct 16 bit noops.  From
	Gabriel Paubert <[e-mail]>.

	* config/tc-i386.c (md_assemble): In JumpByte case, when looking
	for a WORD_PREFIX_OPCODE, change it to ADDR_PREFIX_OPCODE if this
	is jcxz or a loop instruction.

Mon Aug 25 16:04:14 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (pre_defined_registers): Add 'hp' as alias for
	r2.
	(md_begin): Set up machine architecture and type.

Mon Aug 25 14:25:48 1997  Ian Lance Taylor  <[e-mail]>

	* symbols.c (resolve_symbol_value): Store the value back into the
	symbol expression, to handle add or subtract simplification
	correctly.  Handle O_symbol_rva.  Add default case.

	* config/tc-ppc.c (ppc_change_csect): Temporarily lower the
	chunksize while creating the new subsection.
	* as.c (chunksize): Initialize to zero.
	* subsegs.c (subseg_set_rest): Change 5000 to chunksize when
	calling obstack_begin.

Mon Aug 25 11:21:48 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (md_assemble): Restore input_line_pointer upon
	exit. 
	
	* config/tc-v850.c (parse_register_list): Support constant
	expressions as register lists.

Mon Aug 25 10:19:34 1997  Nick Clifton  <[e-mail]>

	* doc/c-v850.texi: Change the major node to v850 Machine
	Dependencies. 

Fri Aug 22 11:16:14 1997  Nick Clifton  <[e-mail]>

	* doc/as.texinfo: Add inclusion of c-v850.texi

	* doc/c-v850.texi: New file.

	* read.c (is_end_of_line): Make NUL character be considered to be
	a line terminator.

Fri Aug 22 10:45:33 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (parse_register_list): Add support for curly
	brace syntax.
	(cc_names): Add "e" and "ne" conditions.

Thu Aug 21 11:00:36 1997  Nick Clifton  <[e-mail]>

	* app.c (do_scrub_chars): Support a double dash as starting a
	comment that extends to end of line.

Thu Aug 21 10:54:27 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (v850_section, v850_bss, v850_offset): New
	functions.
	(md_pseudo_table): New pseudo ops: .bss, .offset, .section

Thu Aug 21 00:59:53 1997  Doug Evans  <[e-mail]>

	* config/tc-m32r.c (md_estimate_size_before_relax): Update recorded
	insn when changing to a different instruction.

Wed Aug 20 00:45:20 1997  J"orn Rennecke <[e-mail]>

	* tc-sh.c (parse_reg, get_specific, build_Mytes): Add SH4
	floating point extensions.
	(parse_reg): parse sgr and dbr.

Tue Aug 19 17:07:34 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (system_register_name): Support numbers for
	system register IDs.

Tue Aug 19 08:59:12 1997  Fred Fish  <[e-mail]>

	* read.c (s_lcomm_internal): Renamed from s_lcomm, added arg to
	flag when alignment is in bytes instead of power of 2, and code to
	use that flag to convert alignment to bytes.
	(s_lcomm, s_lcomm_bytes):  New helpers that call s_lcomm_internal.
	* read.h (s_lcomm_bytes): Add prototype.
	* config/obj-coff.c (write_object_file): If ALIGNMENT_IN_S_FLAGS is
	defined, write alignment to alignment bits in section header s_flags
	rather than the s_align field.
	* config/obj-coff.h (ALIGNMENT_IN_S_FLAGS): Define for TC_TIC80.
	* config/tc-tic80.c (md_pseudo_table): Use s_lcomm_bytes for bss
	pseudo, instead of s_lcomm which wants a power of two for alignment.

Mon Aug 18 20:42:23 1997  Richard Henderson  <[e-mail]>

	* macro.c (check_macro): use alloca instead of xmalloc to plug leak.

Mon Aug 18 20:33:06 1997  Richard Henderson  <[e-mail]>

	* as.c (show_usage): Add -am.
	* input-scrub.c (input_scrub_include_sb): Don't add leading \n
	if we've already got one.
	* listing.c (struct list_info_struct): Add line_contents.
	(listing_newline): Put unused argument to work: if non-null, save it...
	(listing_listing): ... and regurgitate during listing instead of line
	from file.
	* listing.h (LISTING_MACEXP): New define.
	(LISTING_NEWLINE): Argument is NULL.
	* read.c (read_a_source_file): If expanding macros, break up input
	lines and pass them to listing_newline.
	* doc/as.texinfo: Document -ac and -am.

	* cond.c (s_ifc): Add missing demand_empty_rest_of_line.

Mon Aug 18 11:26:36 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (md_apply_fix3): Add support for new 16 bit PC
	relative reloc.

Mon Aug 18 11:24:21 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c: Remove support_v850e flag and command line
	option. 
	
	* configure.in (emulations): Add support for v850e target

	* configure (emulations): Add support for v850e target

Mon Aug 18 11:24:21 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c: Remove support_v850ea flag and command line
	option. 
	
	* configure.in (emulations): Add support for v850ea target

	* configure (emulations): Add support for v850ea target

Fri Aug 15 14:00:13 1997  Ian Lance Taylor  <[e-mail]>

	* Makefile.am (check-DEJAGNU): Don't cd into testsuite until after
	setting EXPECT and TCL_LIBRARY.
	* Makefile.in: Rebuild.

	* as.h (enum debug_info_type): Define.
	(debug_type): Declare.
	* as.c (debug_type): New global variable.
	(show_usage): Add --gstabs.
	(parse_args): Handle --gstabs.
	* read.c (generate_asm_lineno): Remove.
	(read_a_source_file): Output stabs debugging if appropriate.
	Change checks of generate_asm_lineno to check debug_type.  Only
	generate ECOFF debugging if ECOFF_DEBUGGING is defined.
	* read.h (generate_asm_lineno): Don't declare.
	(stabs_generate_asm_lineno): Declare.
	* stabs.c (stabs_generate_asm_lineno): New function.
	* ecoff.c (add_file): Use debug_type, not generate_asm_lineno.
	Don't turn off debugging.
	(add_file): Remove old #if 0 code.
	(ecoff_new_file): Set debug_type, not generate_asm_lineno.
	(ecoff_directive_end): Don't generate stabs line symbols.
	(ecoff_generate_asm_lineno): Don't check stabs_seen.  Don't set
	generate_asm_lineno.
	(line_label_cnt): Remove.
	(ecoff_generate_asm_line_stab): Remove.
	* ecoff.h (ecoff_generate_asm_line_stab): Don't declare.
	* doc/as.texinfo, doc/as.1: Document --gstabs.

Wed Aug 13 18:58:56 1997  Nick Clifton  <[e-mail]>

	* config/tc-v850.c (md_assemble, md_show_usage, md_parse_option):
	Add support for v850ea instructions.

	* config/tc-v850.c (md_assemble, md_show_usage, md_parse_option):
	Add support for v850e instructions.
	
	* config/tc-v850.c (md_assemble): Fix error recovery to reload
	text of entire opcode. 

Tue Aug 12 10:27:34 1997  Richard Henderson  <[e-mail]>

	* doc/internals.texi: Document rs_leb128.

Tue Aug 12 12:17:03 1997  Ian Lance Taylor  <[e-mail]>

	* config/tc-m68k.c (m68k_ip): Give an error message for SIZE_BYTE
	in ABSL case, rather than calling abort.

Mon Aug 11 21:48:00 1997  Richard Henderson  <[e-mail]>

	* as.h (enum _relax_state): Add rs_leb128.
	* read.c (potable): Add sleb128 and uleb128.
	(sizeof_*leb128, output_*leb128, emit_leb128_expr, s_leb128): New
	functions.
	* read.h: Update prototypes.
	* symbols.c (resolve_symbol_value): Streamline quite a bit.  Return
	the symbol value, add a second FINALIZE argument that prevents 
	changes from being comitted.  Update all callers.
	* write.c (cvt_frag_to_fill, relax_segment): Handle rs_leb128.
	* doc/as.texinfo: Document the new pseudos.

Sun Aug 10 14:51:49 1997  Ian Lance Taylor  <[e-mail]>

	* Makefile.am (MOSTLYCLEANFILES): Add site.bak, site.exp, stage,
	stage1, and stage2.
	(DISTCLEANFILES): Define.
	* doc/Makefile.am (DISTCLEANFILES): Define.
	* Makefile.in, doc/Makefile.in: Rebuild.

Wed Aug  6 00:30:30 1997  Ian Lance Taylor  <[e-mail]>

	* configure.in: Define TARGET_BYTES_BIG_ENDIAN if endian is set.
	Don't set targ or gas_target.  Define SCO_ELF and
	TARGET_SOLARIS_COMMENT when appropriate.  Don't substitute for
	target_frag.
	* Makefile.am: Remove @target_frag@.
	(INCLUDES): Remove $(INTERNAL_CFLAGS), $(CROSS), $(HDEFINES), and
	$(TDEFINES).
	(dep-am): Mark as phony.
	* acconfig.h: Add TARGET_BYTES_BIG_ENDIAN, TARGET_SOLARIS_COMMENT,
	and SCO_ELF.
	* config/arm-big.mt, config/arm-lit.mt: Remove.
	* config/mips-big.mt, config/mips-lit.mt: Remove.
	* config/ppc-big.mt, config/ppc-lit.mt: Remove.
	* config/ppc-sol.mt: Remove.
	* config/i386coff.mt, config/m68kcoff.mt: Remove.
	* config/m88kcoff.mt: Remove.
	* config/sco5.mt: Remove.
	* configure, config.in, Makefile.in: Rebuild.

	* Makefile.am ($(srcdir)/config/m68k-parse.h): New target, to
	further try to circumvent the .y.h rule.
	* Makefile.in: Rebuild.

Tue Aug  5 12:32:07 1997  Ian Lance Taylor  <[e-mail]>

	* Makefile.am: New file, based on old Makefile.in.
	* acinclude.m4: New file, from old aclocal.m4.