changelog.7

GUN开源阻止下的编译器GCC

Sun Jun 20 13:37:00 1993  Richard Stallman  ([e-mail])

	* Version 2.4.5 released.

	* c-common.c (decl_attributes): If first_arg_num is 0, no error for it.

	* Makefile.in (extraclean): Delete *.gz, and other diff and tar files.

Sun Jun 20 18:09:50 1993  Richard Kenner  ([e-mail])

	* calls.c (expand_call): In last change, preserve the temp slot.

Sat Jun 19 19:55:43 PDT 1993  Ron Guilmette  ([e-mail])

	* dwarfout.c (type_main_variant): New function.
	Use it in place of TYPE_MAIN_VARIANT everywhere in dwarfout.c.

	* c-decl.c (grokdeclarator):  Avoid the use of macros for ..._TYPE
	nodes in cases where a parameter's type is error_mark_node.

Sat Jun 19 03:57:57 1993  Richard Stallman  ([e-mail])

	* Version 2.4.4 released.

	* toplev.c (compile_file): For static decl never defined,
	use just warning, not pedwarn.

	* dbxout.c (dbxout_type): Reinstall #if 0 around code for
	outputting structure types, that confused GDB.

Fri Jun 18 20:06:35 1993  Pat Rankin  ([e-mail])

	* vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): adjust stack pointer by 4 prior
	to calling C$MAIN_ARGS, otherwise POSIX edition of that routine dies.

Fri Jun 18 14:21:14 1993  Richard Stallman  ([e-mail])

	* Makefile.in (clean): Delete objc-headers subdir.

	* config/m68k/m68k.h (TARGET_SWITCHES): For -m68020, -m68000 and
	-msoft-float, turn off 01400 bits.

	* Makefile.in (gcc.xtar.gz): Renamed from gcc.tar.z.
	(dist): Change the dependency.
	(mostlyclean): Delete tmp-gcc.xtar.gz.

	* c-iterate.c (save_exprs): New variable.
	(collect_iterators): Don't process a SAVE_EXPR twice.
	(iterator_expand): Clear save_exprs.

	* Makefile.in (gcc.info, cpp.info): Actually cd to srcdir.

	* configure (clipper-intergraph-clix*): Use install-headers-cpio.

Fri Jun 18 13:37:16 1993  Michael Meissner  ([e-mail])

	* mips.c (output_block_move): Don't abort if one of the input
	registers is allocated as a scratch register, just use fewer
	scratch registers.

Fri Jun 18 00:25:16 1993  Richard Stallman  ([e-mail])

	* config/i386/i386.c (call_insn_operand): Require constant address
	be a general_operand.
	(expander_call_insn_operand): New fn (what call_insn_operand was).
	* config/i386/i386.md (call_pop, call, call_value_pop, call_value)
	(untyped_call): Use expander_call_insn_operand.

Thu Jun 17 17:58:11 1993  Richard Stallman  ([e-mail])

	* config/pa/pa.md (decrement_and_branch_until_zero):
	Pattern disabled.

Thu Jun 17 13:34:20 1993  Jim Wilson  ([e-mail])

	* unroll.c (calculate_giv_inc): Add new variables increment_total
	and tries, and new label retry, to handle case where increment is
	two add instructions.

Thu Jun 17 12:13:53 1993  Minh Tran-Le  (mtranle@paris)

	* config/i386/aix386ng.h: Changes for non-GAS gcc.
	(ASM_FILE_START_1): Always output .noopt because /bin/as is buggy.
	Added #undef to {INIT,FINI,CTORS,DTORS}_SECTION_ASM_OP, ... when
	not using GAS.
	(CONST_SECTION_FUNCTION): Override svr3 default.
	(EXTRA_SECTION_FUNCTIONS): Override svr3 default.
	(OBJECT_FORMAT_COFF): Added define for collect2.
	(MY_ISCOFF): For collect2 to handle aix and svr3 object file.
	
	* config/i386/aix386.h (USE_GAS): New define.

Thu Jun 17 00:26:38 1993  Richard Stallman  ([e-mail])

	* reg-stack.c (stack_result_p): New function.
	(stack_reg_life_analysis): Use that.

	* final.c (output_addr_const): Don't insert a leading space
	in the CONST_DOUBLE_HIGH != 0 case.

Thu Jun 17 00:09:19 1993  Jeff Law  ([e-mail])

	* pa.h (LEGITIMATE_CONSTANT_P): Reject function addresses for now.

Wed Jun 16 20:14:10 1993  Brendan Kehoe  ([e-mail])

	* cp-typeck.c (build_unary_op): Make sure it's the global fn `main'
	before complaining about taking the address of it.

Wed Jun 16 16:24:31 1993  Richard Stallman  ([e-mail])

	* config/i386/xm-sysv4.h (SMALL_ARG_MAX): Defined.

	* c-typeck.c (check_format): Don't crash if cur_type is an error_mark.
	Handle identifier_node as the TYPE_NAME.

Mon Jun 14 16:09:24 1993  Richard Kenner  ([e-mail])

	* calls.c (expand_call): If PCC_STATIC_STRUCT_RETURN and TARGET
	is zero, copy result from static location.

        * cse.c (invalidate_skipped_set): Promote "nonscalar" to "all".

Mon Jun 14 16:01:34 1993  Karl Berry  ([e-mail])

	* fixincludes (stdio.h math.h ctype.h sys/{limits.h,fcntl.h,dirent.h}):
	Fix STDC/POSIX and other things for Interactive	Unix 2.2 or later.

Mon Jun 14 04:41:38 1993  Richard Stallman  ([e-mail])

	* reload.c (make_memloc): Don't reuse a memloc.

Sun Jun 13 16:01:37 1993  Jeff Law  ([e-mail])

	* pa.md (iorsi3): Explicitly set length to 1.
	(andsi3, lshrsi3, rotrsi3, rotlsi3): Likewise.
	(ashift and ashiftrt by const_int_operand): Likewise.
	((and (ashift)) optimizer): Likewise.

Sun Jun 13 20:23:04 1993  Stephen Moshier  ([e-mail])

	* real.c (ltoe, ultoe, eifrac, euifrac): Handle 64-bit longs.
	(SFMODE_NAN, DFMODE_NAN, XFMODE_NAN, TFMODE_NAN): New macros
	permit definitions of NaN patterns to be overridden in tm.h.

Sun Jun 13 12:55:22 1993  Brendan Kehoe  ([e-mail])

	* cp-decl.c (start_function): Avoid a null-reference on CTYPE.

Sun Jun 13 08:22:30 1993  Richard Kenner  ([e-mail])

	* expr.c (expand_expr, case COND_EXPR): Fix typo; const1_rtx should
	be const0_rtx when ignoring expression.

Sun Jun 13 00:15:00 1993  Richard Stallman  ([e-mail])

	* genopinit.c (optabs): For strlen_optab, don't look for `2' in name.

Sat Jun 12 20:23:04 1993  Stephen Moshier  ([e-mail])

	* real.c (ereal_from_float, ereal_from_double): New functions.
	* real.h (REAL_VALUE_FROM_TARGET_SINGLE): New macro.
	(REAL_VALUE_FROM_TARGET_DOUBLE): Likewise.
	* emit-rtl.c (gen_lowpart_common): Use those macros if REAL_ARITHMETIC.

Sat Jun 12 13:44:00 1993  Jim Wilson  ([e-mail])

	* sched.c (add_dependence): Reject CODE_LABELs when searching for
	last insn of a sched group.

Sat Jun 12 08:06:25 1993  Richard Kenner  ([e-mail])

	* m68k.md (movqi): Handle copying an address register to or
	from memory when the address uses the address register.

Sat Jun 12 00:17:06 1993  Richard Stallman  ([e-mail])

	* cse.c (record_jump_cond): Look up op1 again after inserting op0.

Fri Jun 11 21:50:16 1993  John F Carr  ([e-mail])

	* rs6000.md (movsf, movdf): Handle a move from an integer register
	before reload.  This can happen if the user uses asm to put a floating
	point variable in an integer register.

Fri Jun 11 20:04:43 1993  Richard Kenner  ([e-mail])

	* rs6000.c (rs6000_gen_section_name): Only replace last period
	in filename with section name and correct calculation of
	string length.

	* recog.c (constrain_operands): Correctly ignore MATCH_OPERATOR
	operands.

	* reload1.c (eliminate_regs_in_insn): Don't use a later elimination
	than eliminate_regs would use.

	* c-decl.c (finish_decl): Don't modify DECL_INITIAL of a PARM_DECL.

Thu Jun 10 23:48:01 1993  Richard Stallman  ([e-mail])

	* genextract.c (main): Use __volatile__, not volatile.

Thu Jun 10 16:21:08 1993  Michael Meissner  ([e-mail])

	* i386/osfrose.h (SUBTARGET_SWITCHES): Add -m{,no-}ident.
	(ASM_SPEC): Pass -v to assembler if used.
	(OVERRIDE_OPTIONS): Don't allow -fpic if using the OSF/rose object
	format.
	(ASM_DECLARE_OBJECT_NAME, ASM_DECLARE_FUNCTION_NAME): If using ELF,
	 emit a .type pseudo op that says the label is either an object or
	 a function.
	 (ASM_DECLARE_FUNCTION_SIZE): Copy from svr4.h.
	 (SCCS_DIRECTIVE): Define.
	 (ASM_FILE_END): Unless -mno-ident, emit a .ident directive that
	 identifies GCC and whether several switches are used.

	 * i386/osfelf.h (ASM_SPEC): Pass -v to assembler if used.
	 (OBJECT_FORMAT_ROSE): Undefine.

Thu Jun 10 16:20:24 1993  Doug Evans  ([e-mail])

	* expmed.c (MAX_BITS_PER_WORD): Define earlier.
	(shift_cost, shiftadd_cost, shiftsub_cost): Use MAX_BITS_PER_WORD.

Thu Jun 10 12:56:18 1993  Jim Wilson  ([e-mail])

	* sched.c (sched_analyze_2): Don't ignore USE insns when creating
	dependencies.
	(sched_analyze): Likewise.

Wed Jun  9 12:58:51 1993  Michael Meissner  ([e-mail])

	* configure (i386-*-osfelf): Add new configuration for OSF/1 using
	the ELF object file format.

	* i386/osfelf.h (new file): New config file for OSF/1 with ELF.
	Include osfrose.h and redefine things as needed.

	* i386/osfrose.h (SUBTARGET_SWITCHES): Add -melf, -mrose, and
	-mno-rose switches.
	(HANDLE_SYSV_PRAGMA): Define.
	(IDENTIFIER_PREFIX, IDENTIFIER_SUFFIX): Remove unused macros.
	(CPP_PREDEFINES): Add -Acpu(i386) -Amachine(i386) -Asystem(unix).
	(CPP_SPEC): Define __ROSE__ if compiling for OSF/rose and __ELF__
	if compiling for the ELF object format.
	(CC1_SPEC): Pass -mrose if no object format switch.
	(DWARF_DBX_REGISTER_NUMBER): Map registers according to the
	debugging format.

Wed Jun  9 13:21:03 1993  Brendan Kehoe  ([e-mail])

	Mon Jun  7 18:01:31 1993  Mike Stump  ([e-mail])

	* cp-search.c (is_subobject_of_p, lookup_field, lookup_fnfields):
	Because virtual bases don't necessarily share the same binfo, use
	the binfo hierarchy of TYPE_BINFO of any virtual bases, when
	performing hiding checks.  Fixes problem introduced on Thu Mar 25
	23:09:27 1993.  The symptom is the compiler reports non ambiguous
	members as being ambiguous.

	Wed Jun  2 11:53:24 1993  Mike Stump  ([e-mail])

	* cp-search.c (lookup_fnfields_here): Use TYPE_MAIN_VARIANT on
	context types before comparing.  Fixes const member functions not
	being found in templates.

Tue Jun  8 19:44:23 1993  Brendan Kehoe  ([e-mail])

	* cp-decl.c (finish_function): Move setting of the DECL_RESULT's
	context and calling setjmp_protect after poplevel, so we have a
	valid DECL_INITIAL for the fndecl (not an error_mark_node).

Tue Jun  8 13:14:27 1993  John Hassey  ([e-mail])

	* configure: Added gas support for m88k-* targets.

	* t-luna-gas t-dgux-gas t-m88k-gas: New files in config/m88k.

Tue Jun  8 14:51:44 1993  Jim Wilson  ([e-mail])

	* loop.c (move_movables): Delete REG_EQUAL notes that describe a
	non loop invariant value.

	* sparc.c (call_operand, call_operand_address): Accept any address
	not just REG rtx.

Tue Jun  8 18:47:39 1993  Torbjorn Granlund  ([e-mail])

	* sparc.h: (RTX_COSTS): Make cost of MULT depend on TARGET_V8.

	* pa.h (CPP_SPEC): Fix typo: define __hp9000s700.

Tue Jun  8 06:16:30 1993  John Hassey  ([e-mail])

	* m88k.h (HARD_REGNO_REGS, HARD_RENO_MODE_OK, MODES_TIEABLE_P):
	Restrict use of 88110 extended registers to floating point.

Mon Jun  7 15:42:10 1993  Richard Stallman  ([e-mail])

	* math-68881.h (atan2): For x <= 0, lump y == 0 with y > 0
	to get the right result in 0, -1 case.

Mon Jun  7 17:50:25 1993  Jeff Law  ([e-mail])

	* pa.h (RTX_COSTS): Cost of MULT also depends on 
	TARGET_DISABLE_FPREGS.

	* pa.h (ASM_OUTPUT_INT): Always emit special "plabel" relocation for
	function labels.

Sun Jun  6 16:31:59 1993  Richard Stallman  ([e-mail])

	* gcc.c (translate_options): Don't assume option_map[j].arg_info != 0.

	* config/vax/vax.h (PRINT_OPERAND): Prefix constant by `$'.

Sun Jun  6 00:44:48 1993  Torbjorn Granlund  ([e-mail])

	* m88k.md (fix_truncdfsi2): Destination is general register, source
	general or extended register.
	(fix_truncsfsi2): Likewise.

Sun Jun  6 00:20:25 1993  Kresten Krab Thorup  ([e-mail])

	* objc-act.c (encode_type): Add cases for DImode, encoded
	as 'q' and 'Q' respectively.

Sat Jun  5 14:02:36 1993  James Van Artsdalen  ([e-mail])

	* c-decl.c (pushdecl): Copy DECL_FRAME_SIZE for inline function decls.

	* stmt.c (check_for_full_enumeration_handling): Don't create a
	default label if all enumeration literals are covered by cases.

Sat Jun  5 04:49:19 1993  Richard Stallman  ([e-mail])

	* function.c (uninitialized_vars_warning): Change warning text.
	(setjmp_args_warning): Likewise.

	* c-typeck.c (convert_for_assignment): Allow conversion to union type
	for pointer if the pointer could convert to the union member.

Fri Jun  4 18:09:47 1993  Jim Wilson  ([e-mail])

	* integrate.c (expand_inline_function): Always copy a SUBREG as an
	argument into a REG.

Fri Jun  4 05:52:28 1993  Torbjorn Granlund  ([e-mail])

	* pa.h (RTX_COSTS): Make cost of MULT depend on TARGET_SNAKE.

	* expmed.c (synth_mult): Move code to add or subtract at
	leftmost 1-bit to before factoring code to decrease the allowed cost
	quickly.  Restrict it to handle only odd numbers.
	(init_expmed): Limit mult_cost to make synth_mult run faster.

Fri Jun  4 23:18:35 1993  Kresten Krab Thorup  ([e-mail])