changelog

cygwin, 著名的在win32下模拟unix操作系统的东东

Fri Jun 26 11:09:06 1998  Jeffrey A Law  ([e-mail])

	* mn10300.h: Add "machine" field for instructions.
	(MN103, AM30): Define machine types.

Fri Jun 19 16:09:09 1998  Alan Modra  <[e-mail]>

	* i386.h: Use FP, not sl_Suf, for fxsave and fxrstor.

1998-06-18  Ulrich Drepper  <[e-mail]>

	* i386.h: Add support for fxsave, fxrstor, sysenter and sysexit.

Sat Jun 13 11:31:35 1998  Alan Modra  <[e-mail]>

	* i386.h (i386_optab): Add general form of aad and aam.  Add ud2a
	and ud2b.
	(i386_regtab): Allow cr0..7, db0..7, dr0..7, tr0..7, not just
	those that happen to be implemented on pentiums.

Tue Jun  9 12:16:01 1998  Alan Modra  <[e-mail]>

	* i386.h: Change occurences of Data16 to Size16, Data32 to Size32,
	IgnoreDataSize to IgnoreSize.  Flag address and data size prefixes
	with Size16|IgnoreSize or Size32|IgnoreSize.

Mon Jun  8 12:15:52 1998  Alan Modra  <[e-mail]>

	* i386.h (REPNE): Rename to REPNE_PREFIX_OPCODE.
	(REPE): Rename to REPE_PREFIX_OPCODE.
	(i386_regtab_end): Remove.
	(i386_prefixtab, i386_prefixtab_end): Remove.
	(i386_optab): Use NULL as sentinel rather than "" to suit rewrite
	of md_begin.
	(MAX_OPCODE_SIZE): Define.
	(i386_optab_end): Remove.
	(sl_Suf): Define.
	(sl_FP): Use sl_Suf.

	* i386.h (i386_optab): Allow 16 bit displacement for `mov
	mem,acc'.  Combine 16 and 32 bit forms of various insns.  Allow 16
	bit form of ljmp.  Add IsPrefix modifier to prefixes.  Add addr32,
	data32, dword, and adword prefixes.
	(i386_regtab): Add BaseIndex modifier to valid 16 bit base/index
	regs.

Fri Jun  5 23:42:43 1998  Alan Modra  <[e-mail]>

	* i386.h (i386_regtab): Remove BaseIndex modifier from esp.

	* i386.h: Allow `l' suffix on fld, fst, fstp, fcom, fcomp with
	register operands, because this is a common idiom.  Flag them with
	a warning.  Allow illegal faddp, fsubp, fsubrp, fmulp, fdivp,
	fdivrp because gcc erroneously generates them.  Also flag with a
	warning.

	* i386.h: Add suffix modifiers to most insns, and tighter operand
	checks in some cases.  Fix a number of UnixWare compatibility
	issues with float insns.  Merge some floating point opcodes, using
	new FloatMF modifier.
	(WORD_PREFIX_OPCODE): Rename to DATA_PREFIX_OPCODE for
	consistency.

	* i386.h: Change occurence of ShortformW to W|ShortForm.  Add
	IgnoreDataSize where appropriate.

Wed Jun  3 18:28:45 1998  Alan Modra  <[e-mail]>

	* i386.h: (one_byte_segment_defaults): Remove.
	(two_byte_segment_defaults): Remove.
	(i386_regtab): Add BaseIndex to 32 bit regs reg_type.

Fri May 15 15:59:04 1998  Doug Evans  <[e-mail]>

	* cgen.h (cgen_hw_lookup_by_name): Renamed from cgen_hw_lookup.
	(cgen_hw_lookup_by_num): Declare.

Thu May  7 09:27:58 1998  Frank Ch. Eigler  <[e-mail]>

	* mips.h (OP_{SH,MASK}_CODE2): Added "q" operand format for lower
	ten bits of MIPS ISA1 "break" instruction, and for "sdbbp"

Thu May  7 02:14:08 1998  Doug Evans  <[e-mail]>

	* cgen.h (cgen_asm_init_parse): Delete.
	(cgen_save_fixups,cgen_restore_fixups,cgen_swap_fixups): Delete.
	(cgen_asm_record_register,cgen_asm_finish_insn): Delete.

Mon Apr 27 10:13:11 1998  Doug Evans  <[e-mail]>

	* cgen.h (CGEN_ATTR_TYPE): Delete `const', moved to uses.
	(cgen_asm_finish_insn): Update prototype.
	(cgen_insn): New members num, data.
	(CGEN_INSN_TABLE): Members asm_hash, asm_hash_table_size,
	dis_hash, dis_hash_table_size moved to ...
	(CGEN_OPCODE_TABLE).  Here.  Renamed from CGEN_OPCODE_DATA.
	All uses updated.  New members asm_hash_p, dis_hash_p.
	(CGEN_MINSN_EXPANSION): New struct.
	(cgen_expand_macro_insn): Declare.
	(cgen_macro_insn_count): Declare.
	(get_insn_operands): Update prototype.
	(lookup_get_insn_operands): Declare.

Tue Apr 21 17:11:32 1998  Alan Modra  <[e-mail]>

	* i386.h (i386_optab): Change iclrKludge and imulKludge to
	regKludge.  Add operands types for string instructions.

Mon Apr 20 14:40:29 1998  Tom Tromey  <[e-mail]>

	* i386.h (X): Renamed from `Z_' to preserve formatting of opcode
	table.

Sun Apr 19 13:54:06 1998  Tom Tromey  <[e-mail]>

	* i386.h (Z_): Renamed from `_' to avoid clash with common alias
	for `gettext'.

Fri Apr  3 12:04:48 1998  Alan Modra  <[e-mail]>

	* i386.h: Remove NoModrm flag from all insns: it's never checked.
	Add IsString flag to string instructions.
	(IS_STRING): Don't define.
	(LOCK_PREFIX_OPCODE, CS_PREFIX_OPCODE, DS_PREFIX_OPCODE): Define.
	(ES_PREFIX_OPCODE, FS_PREFIX_OPCODE, GS_PREFIX_OPCODE): Define.
	(SS_PREFIX_OPCODE): Define.

Mon Mar 30 21:31:56 1998  Ian Lance Taylor  <[e-mail]>

	* i386.h: Revert March 24 patch; no more LinearAddress.

Mon Mar 30 10:25:54 1998  Alan Modra  <[e-mail]>

	* i386.h (i386_optab): Remove fwait (9b) from all floating point
	instructions, and instead add FWait opcode modifier.  Add short
	form of fldenv and fstenv.
	(FWAIT_OPCODE): Define.

	* i386.h (i386_optab): Change second operand constraint of `mov
	sreg,reg|mem' instruction from Reg16|Mem to WordReg|WordMem to
	allow legal instructions such as `movl %gs,%esi'

Fri Mar 27 18:30:52 1998  Ian Lance Taylor  <[e-mail]>

	* h8300.h: Various changes to fully bracket initializers.

Tue Mar 24 18:32:47 1998  H.J. Lu  <[e-mail]>

	* i386.h: Set LinearAddress for lidt and lgdt.

Mon Mar  2 10:44:07 1998  Doug Evans  <[e-mail]>

	* cgen.h (CGEN_BOOL_ATTR): New macro.

Thu Feb 26 15:54:31 1998  Michael Meissner  <[e-mail]>

	* d30v.h (FLAG_DELAY): New flag for delayed branches/jumps.

Mon Feb 23 10:38:21 1998  Doug Evans  <[e-mail]>

	* cgen.h (CGEN_CAT3): Delete.  Use CONCAT3 now.
	(cgen_insn): Record syntax and format entries here, rather than
	separately.

Tue Feb 17 21:42:56 1998  Nick Clifton  <[e-mail]>

	* cgen.h (CGEN_SYNTAX_MAKE_FIELD): New macro.

Tue Feb 17 16:00:56 1998  Doug Evans  <[e-mail]>

	* cgen.h (cgen_insert_fn): Change type of result to const char *.
	(cgen_parse_{signed,unsigned}_integer): Delete min,max arguments.
	(CGEN_{INSN,KEYWORD,OPERAND}_NBOOL_ATTRS): Renamed from ..._MAX_ATTRS.

Thu Feb 12 18:30:41 1998  Doug Evans  <[e-mail]>

	* cgen.h (lookup_insn): New argument alias_p.

Thu Feb 12 03:41:00 1998  J"orn Rennecke  <[e-mail]>

Fix rac to accept only a0:
	* d10v.h (OPERAND_ACC): Split into:
	(OPERAND_ACC0, OPERAND_ACC1) .
	(OPERAND_GPR): Define.

Wed Feb 11 17:31:53 1998  Doug Evans  <[e-mail]>

	* cgen.h (CGEN_FIELDS): Define here.
	(CGEN_HW_ENTRY): New member `type'.
	(hw_list): Delete decl.
	(enum cgen_mode): Declare.
	(CGEN_OPERAND): New member `hw'.
	(enum cgen_operand_instance_type): Declare.
	(CGEN_OPERAND_INSTANCE): New type.
	(CGEN_INSN): New member `operands'.
	(CGEN_OPCODE_DATA): Make hw_list const.
	(get_insn_operands,lookup_insn): Add prototypes for.

Tue Feb  3 17:11:23 1998  Doug Evans  <[e-mail]>

	* cgen.h (CGEN_INSN_MAX_ATTRS): Renamed from CGEN_MAX_INSN_ATTRS.
	(CGEN_HW_ENTRY): Move `next' entry to end of struct.
	(CGEN_KEYWORD_MAX_ATTRS): Renamed from CGEN_MAX_KEYWORD_ATTRS.
	(CGEN_OPERAND_MAX_ATTRS): Renamed from CGEN_MAX_OPERAND_ATTRS.

Mon Feb  2 19:19:15 1998  Ian Lance Taylor  <[e-mail]>

	* cgen.h: Correct typo in comment end marker.

Mon Feb  2 17:10:38 1998  Steve Haworth  <[e-mail]>

	* tic30.h: New file.

Thu Jan 22 17:54:56 1998  Nick Clifton  <[e-mail]>

	* cgen.h: Add prototypes for cgen_save_fixups(),
	cgen_restore_fixups(), and cgen_swap_fixups().  Change prototype
	of cgen_asm_finish_insn() to return a char *.

Wed Jan 14 17:21:43 1998  Nick Clifton  <[e-mail]>

	* cgen.h: Formatting changes to improve readability.

Mon Jan 12 11:37:36 1998  Doug Evans  <[e-mail]>

	* cgen.h (*): Clean up pass over `struct foo' usage.
	(CGEN_ATTR): Make unsigned char.
	(CGEN_ATTR_TYPE): Update.
	(CGEN_ATTR_{ENTRY,TABLE}): New types.
	(cgen_base): Move member `attrs' to cgen_insn.
	(CGEN_KEYWORD): New member `null_entry'.
	(CGEN_{SYNTAX,FORMAT}): New types.
	(cgen_insn): Format and syntax separated from each other.

Tue Dec 16 15:15:52 1997  Michael Meissner  <[e-mail]>

	* d30v.h (d30v_opcode): Reorder flags somewhat, add new flags for
	2 word load/store, ADDppp/SUBppp, 16/32 bit multiply.  Make
	flags_{used,set} long.
	(d30v_operand): Make flags field long.

Mon Dec  1 12:24:44 1997  Andreas Schwab  <[e-mail]>

	* m68k.h: Fix comment describing operand types.

Sun Nov 23 22:31:27 1997  Michael Meissner  <[e-mail]>

	* d30v.h (SHORT_CMPU): Add case for cmpu instruction, and move
	everything else after down.

Tue Nov 18 18:45:14 1997  J"orn Rennecke  <[e-mail]>

	* d10v.h (OPERAND_FLAG): Split into:
	(OPERAND_FFLAG, OPERAND_CFLAG) .

Thu Nov 13 11:04:24 1997  Gavin Koch  <[e-mail]>

	* mips.h (struct mips_opcode): Changed comments to reflect new
	field usage.

Fri Oct 24 22:36:20 1997  Ken Raeburn  <[e-mail]>

	* mips.h: Added to comments a quick-ref list of all assigned
	operand type characters.
	(OP_{MASK,SH}_PERFREG): New macros.

Wed Oct 22 17:28:33 1997  Richard Henderson  <[e-mail]>

	* sparc.h: Add '_' and '/' for v9a asr's.
	Patch from David Miller <[e-mail]>

Tue Oct 14 13:22:29 1997  Jeffrey A Law  ([e-mail])

	* h8300.h: Bit ops with absolute addresses not in the 8 bit
	area are not available in the base model (H8/300).

Thu Sep 25 13:03:41 1997  Ian Lance Taylor  <[e-mail]>

	* m68k.h: Remove documentation of ` operand specifier.

Wed Sep 24 19:00:34 1997  Ian Lance Taylor  <[e-mail]>

	* m68k.h: Document q and v operand specifiers.

Mon Sep 15 18:28:37 1997  Nick Clifton  <[e-mail]>

	* v850.h (struct v850_opcode): Add processors field.
	(PROCESSOR_V850, PROCESSOR_ALL): New bit constants.
	(PROCESSOR_V850E, PROCESSOR_NOT_V850): New bit constants.
	(PROCESSOR_V850EA): New bit constants.

Mon Sep 15 11:29:43 1997  Ken Raeburn  <[e-mail]>

	Merge changes from Martin Hunt:

	* d30v.h: Allow up to 64 control registers. Add
	SHORT_A5S format.

	* d30v.h (LONG_Db): New form for delayed branches.

	* d30v.h: (LONG_Db): New form for repeati.

	* d30v.h (SHORT_D2B): New form.

	* d30v.h (SHORT_A2): New form.

	* d30v.h (OPERAND_2REG): Add new operand to indicate 2
	registers are used.  Needed for VLIW optimization.

Mon Sep  8 14:05:45 1997  Doug Evans  <[e-mail]>

	* cgen.h: Move assembler interface section
	up so cgen_parse_operand_result is defined for cgen_parse_address.
	(cgen_parse_address): Update prototype.

Tue Sep  2 15:32:32 1997  Nick Clifton  <[e-mail]>

	* v850.h (V850_OPREAND_ADJUST_SHORT_MEMORY): Removed.

Tue Aug 26 12:21:52 1997  Ian Lance Taylor  <[e-mail]>

	* i386.h (two_byte_segment_defaults): Correct base register 5 in
	modes 1 and 2 to be ss rather than ds.  From Gabriel Paubert
	<[e-mail]>.

	* i386.h: Set ud2 to 0x0f0b.  From Gabriel Paubert
	<[e-mail]>.

	* i386.h: Comment fixes for ficom[p]?{s,l} from Gabriel Paubert
	<[e-mail]>.

	* i386.h (JUMP_ON_CX_ZERO): Uncomment (define again).
	(JUMP_ON_ECX_ZERO): Remove commented out macro.

Fri Aug 22 10:38:29 1997  Nick Clifton  <[e-mail]>

	* v850.h (V850_NOT_R0): New flag.

Mon Aug 18 11:05:58 1997  Nick Clifton  <[e-mail]>

	* v850.h (struct v850_opcode): Remove flags field.

Wed Aug 13 18:45:48 1997  Nick Clifton  <[e-mail]>

	* v850.h (struct v850_opcode): Add flags field.
	(struct v850_operand): Extend meaning of 'bits' and 'shift'
	fields.
	(V850E_INSTRUCTION, V850EA_INSTRUCTION): New flags.
	(V850E_PUSH_POP, V850E_IMMEDIATE16, V850E_IMMEDIATE32): New flags.

Fri Aug  8 16:58:42 1997  Doug Evans  <[e-mail]>

	* arc.h: New file.

Thu Jul 24 21:16:58 1997  Doug Evans  <[e-mail]>

	* sparc.h (sparc_opcodes): Declare as const.

Thu Jul 10 12:53:25 1997  Jeffrey A Law  ([e-mail])

	* mips.h (FP_S, FP_D): Define.  Bitmasks indicating if an insn
	uses single or double precision floating point resources.
	(INSN_NO_ISA, INSN_ISA1): Define.
	(cpu specific INSN macros): Tweak into bitmasks outside the range
	of INSN_ISA field.

Mon Jun 16 14:10:00 1997  H.J. Lu  <[e-mail]>

	* i386.h: Fix pand opcode.

Mon Jun  2 11:35:09 1997  Gavin Koch  <[e-mail]>

	* mips.h: Widen INSN_ISA and move it to a more convenient
	bit position.  Add INSN_3900.

Tue May 20 11:25:29 1997  Gavin Koch  <[e-mail]>

	* mips.h (struct mips_opcode): added new field membership.

Mon May 12 16:26:50 1997  H.J. Lu  <[e-mail]>

	* i386.h (movd): only Reg32 is allowed.

	* i386.h: add fcomp and ud2.  From Wayne Scott
	<[e-mail]>.

Mon May  5 17:16:21 1997  Ian Lance Taylor  <[e-mail]>

	* i386.h: Add MMX instructions.

Mon May  5 12:45:19 1997  H.J. Lu  <[e-mail]>

	* i386.h: Remove W modifier from conditional move instructions.

Mon Apr 14 14:56:58 1997  Ian Lance Taylor  <[e-mail]>

	* i386.h: Change the opcodes for fsubp, fsubrp, fdivp, and fdivrp
	with no arguments to match that generated by the UnixWare
	assembler.

Thu Apr 10 14:35:00 1997  Doug Evans  <[e-mail]>

	* cgen.h (<cpu>_cgen_assemble_insn): New arg for errmsg.
	(cgen_parse_operand_fn): Declare.
	(cgen_init_parse_operand): Declare.
	(cgen_parse_operand): Renamed from cgen_asm_parse_operand,