changelog.10

GCC编译器源代码

	* pa.c (compute_frame_size): Allocate enough space to avoid holes
	in the callee register saves.  Remove some special handling of %r3.
	(hppa_expand_prologue): Don't do an out of line prologue/epilogue
	if it would take more insns than an inline prologue/epilogue.
	Don't leave holes in the callee register save set.
	(hppa_expand_prologue): Corresponding changes.  Pass stack size
	to out of line epilogue code.
	* pa.h (FRAME_POINTER_REQUIRED): Revert last change.
	* pa.md (outline_prologue_call): Handle outline prologues which
	don't need frame pointers.
	(outline_epilogue_call): Similarly.
	* t-pro: Reenable multilib code.  Build a set of libraries that
	optimize for space.

Wed Mar  6 14:28:14 1996  Jim Wilson  <[e-mail]>

	* Makefile.in (USER_H): Add ginclude/va-sh.h.
	* ginclude/stdarg.h, ginclude/varargs.h: Use va-sh.h.
	* ginclude/va-sh.h: New file.

	* sh.h (PASS_IN_REG_P): Fix typo in last change.

Wed Mar  6 11:42:06 1996  David Edelsohn  <[e-mail]>

	* rs6000.h (enum processor_type): Remove PROCESSOR_PPC602.
	(RTX_COSTS): Remove PROCESSOR_PPC602.  PPC603 MULT cost depends
	on constant and domain.
	* rs6000.c (processor_target_table): 602 uses PROCESSOR_PPC603.
	(get_issue_rate): Remove CPU_PPC602.
	* rs6000.md (function units): Remove PPC602.  Add store and
	fpstore type attribute values.  Update patterns.

Tue Mar  5 18:43:43 1996  Richard Henderson  <[e-mail]>

	* m68k/coff.h (ASM_OUTPUT_SECTION_NAME): New define.

	* m68k/{aux-crt1.c,aux-crt[2n].asm}: New files.
	* m68k/{aux-exit.c,aux-low.gld,aux-mcount.c}: More new files.
	* m68k/{aux.h,auxgnu.h,auxstd.h}: Even more new files.
	* m68k/{t-aux,xm-aux.h}: The rest of the new files.
	* m68k/sgs.h (ASM_OUTPUT_CASE_END): Add missing semicolon.
	(switch_table_difference_label_flag): Make extern.
	* fixincludes (sys/param.h): Fix c89 __asm statements.
	* configure (m68k-apple-aux*): New target.

Tue Mar  5 17:38:19 1996  Doug Evans  <[e-mail]>

	* sparc.md (*mov{qi,hi,si}_insn): Simplify length attribute.
	(*movsi_insn): Use fpload/fpstore attributes for fp loads/stores.
	%r1 -> %1 for fpstore alternative.
	(*movsf_insn,*movsf_no_f_insn): %r1 -> %1.

Tue Mar  5 17:19:17 1996  Jason Merrill  <[e-mail]>

	* expr.c (expand_expr, case *_DECL): If we make a non-local
	reference from a function with DECL_NO_STATIC_CHAIN set, abort.
	(expand_expr, case ADDR_EXPR): We don't need a trampoline for a
	function with DECL_NO_STATIC_CHAIN set.
	* function.c (lookup_static_chain): If we're checking on a function
	that doesn't need a static chain, return 0.
	(init_function_start): We don't need context if DECL_NO_STATIC_CHAIN
	is set.
	* tree.c (staticp): Check DECL_NO_STATIC_CHAIN on nested functions.

Tue Mar  5 15:04:29 1996  Jim Wilson  <[e-mail]>

	* sh.md (push_e, pop_e): Add TARGET_SH3E to condition.
	* sh.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
	* sh.c (find_barrier): Set si_limit to 1018 instead of 1020, and
	hi_limit to 510 instead of 512.

Tue Mar  5 13:39:44 1996  Doug Evans  <[e-mail]>

	* loop.c (init_loop): Use pseudo reg in add_cost computation
	so cost doesn't vary depending on whether reg 0 happens to be
	fixed or not.

Tue Mar  5 09:32:24 1996  J"orn Rennecke ([e-mail])

	* reg-stack.c (record_label_references): Check for undefined label.

Tue Mar  5 09:22:20 1996  Scott Christley ([e-mail])

	* objc/objc-api.h, objc/runtime.h: Include objc/thread.h.
	* objc/class.c (__objc_init_class_tables): Surround sarray access
	with mutex lock/unlock.
	(__objc_add_class_to_hash, objc_lookup_class): Likewise.
	(objc_get_class, objc_get_next_class): Likewise.
	(__objc_resolve_class_links, class_pose_as): Likewise.
	* objc/init.c (__objc_runtime_mutux, __objc_runtime_thread_alive):
	New variables.
	(objc_init_statics, __objc_init_protocols): Surround sarray access
	with mutex lock/unlock
	(__objc_exec_class): Likewise.
	Initialization for thread-safe global variables.
	Declarations for thread-safe functions and global variables
	* objc/sendmsg.c (get_imp, __objc_responds_to):
	Surround sarray access with mutex lock/unlock.
	(__objc_init_install_dtable): Likewise.
	(__objc_update_dispatch_table_for_class): Likewise.
	(__objc_print_dtable_stats): Likewise.
	* objc/selector.c (sel_get_typed_uid, sel_get_any_typed_uid): Likewise.
	(sel_get_any_uid, sel_get_name, sel_register_name): Likewise.
	(sel_register_typed_name): Likewise.
	* objc/sarray.h (union sversion): New.
	(struct sarray): Maintain multiple versions.
	(sarray_remove_garbage): Add prototype.
	* objc/sarray.c (sarray_{remove,free}_garbage): New functions.
	(sarray_at_put, sarray_new, sarray_lazy_copy):
	Modify/copy sarray structure/data in a thread-safe manner
	(sarray_{realloc,free}): Reallocate/free sarray structure/data in a
	thread-safe manner.

	* objc/THREADS, objc/thread.c, objc/thread.h: New files.
	* objc/thread-{decosf1,irix,solaris,win32,single}.c: New files.
	* objc/objc-list.h: Renamed from objc/list.h.
	* objc/Makefile: Changes to compile new files and name renaming.
	* objc/makefile.dos: Likewise.

Tue Mar  5 07:51:31 1996  Richard Kenner  ([e-mail])

	* bc-emit.c, bc-optab.c (free): Delete declaration of library function.

	* c-decl.c (duplicate_decl): If making decl non-external, copy
	context from old to new.

Tue Mar  5 02:27:35 1996  Jeffrey A. Law  <[e-mail]

	* lib2funcs.asm (__outline_prologue): New "function".
	(__outline_epilogue): New "function".
	* pa.h (TARGET_SPACE): Define.
	(target_flags): Add -mspace and -mno-space.  Enable/disable
	space saving optimizations.
	(FRAME_POINTER_REQUIRED): Frame pointers are always required
	when generating out of line prologues and epilogues.
	* pa.c (compute_frame_size): Handle out of line prologues/epilogues.
	(hppa_expand_prologue): If optimizing for space, emit an out of
	line prologue.
	(hppa_expand_epilogue): Similarly.
	(override_options): Optimizing for space is not compatable with
	either profiling or PIC code generation.
	* pa.md (outline_prologue_call): New pattern.
	(outline_epilogue_call): Likewise.

Tue Mar  5 02:17:32 1996  Doug Evans  <[e-mail]>

	* sparc.md (*cmp{si,di}_insn): %r0 -> %0.
	(DFmode move define_split): Ensure registers not extended v9 fp regs.
	(*mov{sf,df,tf}_cc_reg_sp64): %r3 -> %3.

Mon Mar  4 18:46:37 1996  Manfred Hollstein  <[e-mail]>

	* Makefile.in (CRT0STUFF_T_CFLAGS): New macro.
	(stamp-crt0, crt0.o, mcrt0.o): New goals.
	(STAGESTUFF): stamp-crt0 added.

	* collect2.c (main): Check new define DEFAULT_A_OUT_NAME.

	* m68k.c (print_operand): Emit .l as scale factor #ifdef MOTOROLA.
	* m68k/mot3300-crt0.S, m68k/mot3300Mcrt0.S: New files.
	* m68k/mot3300g.h: Deleted.
	* m68k/mot3300.h (FUNCTION_PROFILER): Emit label references
	corresponding to those generated by ASM_OUTPUT_INTERNAL_LABEL.
	(MOTOROLA, MOTOROLA_BSR, ...): Define #ifndef USE_GAS.
	(ASM_SPEC): Define properly #ifdef USE_GAS.
	(LIB_SPEC): -L/usr/lib/libp deleted.
	(STARTFILE_SPEC): -L/usr/lib/libp added.
	(DEFAULT_A_OUT_NAME): Define.
	(LINK_SPEC): Pass -v if GNU ld is used.
	(LOCAL_LABEL_PREFIX): Local labels start with .L using GAS, else L%.
	(USER_LABEL_PREFIX): Undefine.
	(FUNCTION_PROFILER): Call asm_fprintf instead of normal fprintf.
	(ASM_APP_ON, ASM_FILE_START): GAS supports it.
	(CTORS_.../DTORS_...): Define if GNU ld is used.
	(ASM_FILE_START): Define properly for Motorola and GNU as syntax.
	(TARGET_VERSION): Re-define only #ifndef USE_GAS.
	(CALL_USED_REGISTERS): Deleted.
	(GLOBAL_ASM_OP): Re-define only #ifndef USE_GAS.
	(ASM_{LONG,SHORT,CHAR,BYTE,BYTE_OP}): New macros.
	(ASM_OUTPUT_{DOUBLE,LONG_DOUBLE,FLOAT,INT,SHORT}): Use them.
	(ASM_OUTPUT_{CHAR,BYTE,ASCII,FLOAT_OPERAND,DOUBLE_OPERAND}): Likewise.
	(ALIGN_ASM_OP, SKIP_ASM_OP): New macros.
	(ASM_OUTPUT_{ALIGN,SKIP}): Use them.
	(ASM_OUTPUT_SOURCE_FILENAME): Define only if not using GNU as.
	(ASM_{GENERATE,OUTPUT}_INTERAL_LABEL): Provide proper definitions for
	Motorola and GNU as syntax.
	(ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Changed for portability between
	Motorola and GNU as syntax.
	(ASM_OUTPUT_{CASE_LABEL,OPCODE}): Define only if not using GNU as.
	(ASM_OUTPUT_CASE_FETCH, ASM_RETURN_CASE_JUMP): New macros.
	(ASM_OUTPUT_{COMMON,LOCAL}): Proper defns for Motorola and gas syntax.
	(SDB_...): Define only for Motorola as.
	(ALT_LIBM): New define to tell g++.c about an alternative name for
	`-lm'.
	(MATH_LIBRARY, NEED_ATEXIT, HAVE_ATEXIT, EXIT_BODY): New macros.
	* m68k/t-mot3300, m68k/t-mot3300-{gald,gas,gld}: New files.
	* m68k/x-mot3300-gas: New file.
	* m68k/xm-mot3300.h (USG): Set to 1.
	* configure (m68k-motorola-sysv*): Keep track of new different
	combinations (--with-gnu-...), and provide proper definitions for
	tm_file, xmake_file, tmake_file, use_collect2, and extra_parts.

	* gbl-ctors.h (HAVE_ATEXIT): Define if NEED_ATEXIT is defined.
	(atexit): Use `int atexit' prototype also if NEED_ATEXIT is defined.
	(on_exit): According to man on_exit on the Sun it returns int not void.
	* libgcc2.c (L_bb/atexit, onexit): Declarations replaced by
	#include'ing "gbl-ctors.h".
	(L_exit/atexit): New function.
	(L_exit/exit): Call any registered functions.

Mon Mar  4 18:03:38 1996  Bryan Ford  ([e-mail])

	* configure (i[3456]86-moss-msdos*): New target.
	* i386/moss.h: New file.

Mon Mar  4 17:38:50 1996  Jim Wilson  <[e-mail]>

	* sh.h (PASS_IN_REG_P): Don't reject BLKmode for SH3e.
	For SH3e, do reject parameter that won't fit entirely in registers.

	* sh.md (mulhisi3-2, mulhisi3-1, mulsidi3_i, umulsidi3_i,
	smulsi3_highpart, umulsi3_highpart): Renames operands 1/2 to 0/1.
	(mulsidi3, umulsidi3): Add support for TARGET_LITTLE_ENDIAN.

	* sh.c (machine_dependent_reorg): In TARGET_RELAX code, when scan
	forward from LINK, fail if pass a CODE_LABEL before finding INSN.
	Fail if SCAN not INSN is a JUMP_INSN.

Mon Mar  4 11:27:10 1996  Michael Meissner  <[e-mail]>

	* rs6000.h (CALL_LONG): Change CALL_xx values from an enumeration
	to bitmasks.  Add CALL_LONG to support longcall attributes.
	(rs6000_args): Call_cookie field is now an int.
	(rs6000_longcall_ref): Add declaration.

	* rs6000.c (init_cumulative_args): Add support for longcall
	attributes to always call through a pointer.
	(function_arg): Ditto.
	(rs6000_valid_type_attribute_p): Ditto.
	(rs6000_longcall_ref): New function for long calls.

	* rs6000.md (call insns): Add support for longcall attributes.

Mon Mar  4 08:42:14 1996  J"orn Rennecke ([e-mail])

	* real.c (significand_size): Don't test the modes, but their sizes.

	* dwarfout.c (xstrdup): Moved from here.
	* toplev.c (xstrdup): New function.
	* tree.h (xstrdup): Declare.
	* bc-emit.c (bc_xstrdup): Delete.
	* expr.c (bc_strdup): Delete.
	(bc_load_externaddr_id): Use xstrdup instead of bc_xstrdup.
	* function.c (bc_expand_function_start): Likewise.
	* 1750a.c (strdup): Delete.
	(float_label): Use xstrdup instead of strdup.
	* 1750a.h (xstrdup): Declare instead of instead of strdup.
	(ASM_OUTPUT_LABEL): Use xstrdup instead of strdup.
	(FIX_FRAME_POINTER_ADDRESS): Don't use DEPTH in string.

Mon Mar  4 08:23:23 1996  Richard Kenner  <[e-mail]>

	* xm-we32k.h (NO_WAIT_H): Deleted.

	* collect2.c: Never include wait.h.

Sat Mar  2 22:43:07 1996  Torbjorn Granlund  <[e-mail]>

	* configure (code for making links): Work around sh bug on FreeBSD.

Sat Mar  2 13:40:29 1996  Jeffrey A. Law  <[e-mail]>

	* h8300.h (BIGGEST_FIELD_ALIGNMENT): Replace uses of
	TARGET_ALIGN_STRUCT_300 with TARGET_ALIGN_300.
	(BIGGEST_ALIGNMENT): Likewise.

Sat Mar  2 08:04:50 1996  Richard Kenner  ([e-mail])

	* calls.c (expand_call): If passing by invisible ref, not const.

	* sparc.c (SKIP_CALLERS_UNIMP_P): Make agree with test used in call.

	* expr.c (do_jump, case COMPOUND_EXPR): Call preserve_temp_slots.

	* fold-const.c (fold, case *_DIV_EXPR): Ignore SAVE_EXPR if has RTL.

Fri Mar  1 17:59:17 1996  Jeffrey A. Law  <[e-mail]>

	* optabs.c (emit_cmp_insn): Immediately copy the return
	value from the library call into a pseudo register.
	(emit_float_lib_cmp): Likewise.

Fri Mar  1 14:37:40 1996  Michael Meissner  <[e-mail]>

	* rs6000/sysv4.h (BSS_SECTION_ASM_OP): Define.
	(*_SECTION_ASM_OP): Change tab after .section into a space.
	(ASM_OUTPUT_INT): Ditto.
	(ASM_OUTPUT_ALIGNED_LOCAL): Rewrite to use bss_section.
	(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
	ASM_OUTPUT_ALIGNED_LOCAL.

	* rs6000/win-nt.h (BSS_SECTION_ASM_OP): Define.
	(ASM_OUTPUT_ALIGNED_LOCAL): Define.
	(ASM_OUTPUT_LOCAL): Don't define any more.
	(ASM_OUTPUT_ALIGNED_BSS): Define to use ASM_GLOBALIZE_LABEL and
	ASM_OUTPUT_ALIGNED_LOCAL.

Thu Feb 29 17:33:12 1996  Jim Wilson  <[e-mail]>

	* c-typeck.c (push_init_level): When output padding to align structure
	field, set constructor_unfilled_fields.

	* dbxout.c (dbxout_type, case METHOD_TYPE): Add CHARS (1) call
	after emitting second '#' character.

Thu Feb 29 13:59:27 1996  Doug Evans  <[e-mail]>

	* h8300.h (ASM_OUTPUT_BSS): Define.
	* m68k/coff.h (BSS_SECTION_ASM_OP): Define.
	(ASM_OUTPUT_ALIGNED_BSS): Define.
	* m68k/m68k-aout.h (BSS_SECTION_ASM_OP): Define.
	(ASM_OUTPUT_BSS): Define.

Thu Feb 29 13:39:39 1996  Per Bothner  <[e-mail]>

	* varasm.c (compare_constant_1):  For a SET_TYPE CONSTRUCTOR,
	first extract and compare the set length.

	* varasm.c (record_constant_1):  For SET_TYPE CONSTRUCTOR,
	permanent_obstack.next_free is *end* of available space.

Thu Feb 29 13:14:14 1996  Jeffrey A. Law  <[e-mail]>

	* pa.h (TARGET_SWITCHES): Add new flags "-mlong-load-store" and
	"-mno-long-load-store".