config.guess (interix Alpha): Add.

[gcc.git] / gcc / ChangeLog

1999-04-13  Mike Stump  <mrs@wrs.com>

	* i386/vxi386.h (CPP_CPU_SPEC): Define appropriately for vxworks.
	(CPP_PREDEFINES, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): likewise.

Tue Apr 13 21:01:36 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* c-common.c (default_valid_lang_attribute): New fn.
	(valid_lang_attribute): New callback ptr.
	(decl_attributes): Call it.  Move init_priority support into
	C++ frontend.

Tue Apr 13 17:47:14 1999  John Wehle  (john@feith.com)

	* i386.md (movdi): Add splitter.

Wed Apr 14 10:04:27 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (storeqf_int, storeqf_int_clobber, loadqf_int,
 	loadqf_int_clobber): Add new patterns with corresponding splitters
 	to handle moves of floating point values into and out of intager
 	registers by using memory.

	* config/c4x/c4x.c (c4x_check_legit_addr): Disallow PRE_INC for modes
	other than QFmode and QImode.
	(mixed_subreg_operand): New function.
	(c4x_emit_move_sequence): If moving a floating point value into or
	out of an integer register, use the new patterns storeqf_int_clobber
	or loadqf_int_clobber.
	(reg_imm_operand, *_reg_operand): Call reg_operand instead of 
	register_operand.
	(reg_operand, src_operand): Disallow operand if it satisifes
	mixed_subreg_operand.

	* config/c4x/c4x.h (mixed_subreg_operand): Add prototype.

Tue Apr 13 14:49:13 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.c (agi_dependent): Handle push operation more correctly.

Tue Apr 13 14:45:17 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.md (anddi3): Add % constraint.
	(iordi3, xordi3): Likewise.

Tue Apr 13 14:29:58 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.md (extendhisi2): Output mov instead of cw instruction for K6
	to improve decoding bandwidth.
	* i386.md (extendhiqi2): Likewise.

Tue Apr 13 14:26:31 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.md (movsf_push): Handle memory to memory case too, new splitter.
	(movdf_push, movxf_push): Likewise.
	(movsf_push_memory, movdf_push_memory, movxf_push_memory): Remove.

Tue Apr 13 14:14:06 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.md: Do not output mov %0,reg on AMD K6.

Tue Apr 13 12:14:07 1999  Dave Brolley  <brolley@cygnus.com>

	* cppinit.c (cpp_start_read): Fix buffer overwrite.
	* Makefile.in (cppinit.o): Typo in dependencies.

Tue Apr 13 05:04:59 1999  Richard Earnshaw (rearnsha@arm.com)

	* arm.h (function prototypes for arm.c): Ifdef these out if
	HAVE_CONFIG_H is not defined.

Tue Apr 13 02:11:11 1999  Jeffrey A Law  (law@cygnus.com)

        * pa.c: Avoid Using immediate zero for register zero.
        * pa.md: Likewise.

        * pa.c (print_operand, case 'f'): New case for FP register or 0.0.
        (print_operand, case 'r'): Use %r0 for zero value.
        * pa.md (move patterns, fcmp patterns): Use new %f output arg.

        * pa.c: Use a register name, not a raw immediate in branch,
	compare/clear, sub, subb, uaddcm and vshd instructions.
	* pa.md: Likewise.

        * pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.

	* pa.c: Use a register name, not a raw immediate in "bv" instructions.
	* pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.

	* pa.c: Remove space register specification in memory addresses,
	except where it is actually needed.
	* pa.md, pa.h, ee.asm, ee_fp.asm, lib2funcs.asm: Likewise.

Mon Apr 12 23:34:35 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Apr 12 14:58:30 MET DST 1999 Jan Hubicka <hubicka@freesoft.cz>

	* reg-stack.c (check_stack_regs_mentioned): Remove variable SIZE.

Mon Apr 12 19:15:17 1999  Daniel Jacobowitz <dan@debian.org>

	* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Add missing backslash.

Mon Apr 12 19:11:38 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* i386/cygwin.h (SUBTARGET_SWITCHES): Add -mconsole; fix
	-mno-nop-fun-dllimport and minor doc fixes.
	(STARTFILE_SPEC): Cygwin DLLs don't have dllcrt0.
	(LINK_SPEC): Add -mconsole support.
	* i386/mingw32.h (LIB_SPEC): Make libraries consistent with 
	Cygwin.
	(LINK_SPEC): Remove. Use Cygwin's version.
	(MATH_LIBRARY): Make it null.
	* i386/crtdll.h (MATH_LIBRARY): Likewise.

Fri Apr  12 15:00:52 1999  Stan Cox  <scox@cygnus.com>

	* c-decl.c (c_decode_option, start_decl, start_function,
	finish_function) : Recognize -Wno-main so we can avoid warnings.

1999-04-12 14:55 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cpphash.c (collect_expansion, macroexpand,
	push_macro_expansion): Make the escape character in macro
	buffers '\r', not '@'.  Remove code to protect literal
	occurences of the escape character; '\r' cannot appear
	in a macro buffer unless we put it there.
	* cpplib.c (skip_comment, copy_comment, cpp_skip_hspace,
	copy_rest_of_line, cpp_get_token, parse_string,
	parse_assertion): '\r' might be a backslash-newline marker, or
	it might be a macro escape marker, depending on
	CPP_BUFFER (pfile)->has_escapes.  '@' is not a special
	character.
	* cpplib.h: Update commentary.

Mon Apr 12 09:30:03 1999  Richard Earnshaw (rearnsha@arm.com)

	* arm.h (target_fp_name, structure_size_string, arm_cpu_select):
	Const-ify.
	* arm.c (target_fp_name, structure_size_string): Const-ify.

	* arm.md (reload_inhi, reload_outhi): Make the scratch DImode.
	* arm.c (arm_reload_in_hi): Handle cases when the input is still
	a pseudo, make use of scratch registers for reloading the address
	as appropriate.
	(arm_reload_outhi): Similarly for when the output is still a pseudo.

	* riscix.h (SUBTARGET_SWITCHES): Document.

1999-04-12  Bruce Korb <ddsinc09@ix.netcom.com>

	* fixincludes:
	make fixincludes behave like the scripts in fixinc/

	* Makefile.in( stmp-fixinc ):
	ensure the SHELL value is that of the make

	* fixincl/inclhack.tpl:
	the file name lists ought to be restricted to "*.h" anyway
	C++ files may be named .../[a-z]++/... also
	Adding copyright year and attribution to output

	* fixincl/inclhack.def:
	fixed broken expression
	Clarify a some comments

	* fixincl/fixincl.tpl:
	Clarify a some comments
	Remove dead template text
	Correct the counting of regular expressions

Mon Apr 12 03:07:44 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (aligned_memory_operand): Handle out of range stack slots.
	Take a new SCRATCH argument for the occasion.  Update all callers.
	(get_unaligned_address): Abort on out of range stack slots.
	* alpha.md (adddi3 splitter): Check s_p_rtx not REGNO.
	(reload_inqi): Check for aligned mems before unaligned.
	(reload_inhi): Likewise.

Mon Apr 12 03:11:30 1999  Jeffrey A Law  (law@cygnus.com)

	* flow.c (flow_delete_insn): If we delete a CODE_LABEL, also remove
	it from the nonlocal_goto_handler_labels list.
	* jump.c (delete_insn): Likewise.
	(jump_optimize_1): Also recompute LABEL_NUSES when we are just
	marking labels.
	* rtl.h (remove_node_from_expr_list): Declare.
	* rtlanal.c (remove_node_from_expr_list): New function.

Mon Apr 12 02:37:02 1999  Jan Hubicka <hubicka@freesoft.cz>

	* reg-stack.c: Update comment, include varray.h.
	(stack_regs_mentioned_data): New global variable.
	(check_stack_regs_mentioned): New function.
	(stack_regs_mentioned): New function.
	(reg_to_stack): Initialize and free stack_regs_mentioned_data,
	use stack_regs_mentioned.
	(record_asm_reg_life): Change insn type cache for changed insn.
	(record_reg_life): Do not change the insn mode.
	(emit_pop_insn): Likewise.
	(emit_swap_insn): Likewise.
	(move_for_stack_reg): Likewise.
	(stack_reg_life_analysis): Use stack_regs_mentioned.
	(emit_swap_insn): Likewise.
	(subst_stack_regs): Likewise.
	(convert_regs): Likewise.
	* jump.c (find_cross_jump): Use stack_regs_mentioned.
	* rtl.h (stack_regs_mentioned): Declare.

Mon Apr 12 00:57:10 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> 

	* integrate.c (INTEGRATE_THRESHOLD): Sync it with the comment.

Sun Apr 11 10:24:18 1999  Mark Mitchell  <mark@codesourcery.com>

	* rtl.h (rtx_def): Update documentation for jump and call.

Sun Apr 11 07:43:44 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* jump.c (jump_optimize_1): Make the definition static to match
	the prototype.

Sat Apr 10 22:51:53 1999  Jan Hubicka <hubicka@limax.paru.cas.cz>

	* flow.c (life_analysis): New parameter remove_dead_code.
	(life_analysis_1): Likewise.
	(propagate_block): Likewise; use it.
	* output.h: Update prototype.
	* toplev.c: Update calls to life_analysis.

Sat Apr 10 22:12:12 1999  Jan Hubicka <hubicka@freesoft.cz>
  
	* recog.c (constrain_operands): Ignore unary operators when
	matching operands.  Recognize '5'..'9' as well.

Sat Apr 10 21:53:02 1999  Philipp Thomas  (kthomas@gwdg.de)
			  Richard Henderson  <rth@cygnus.com>

	* configure.in: Set target_cpu_default2 for target_alias k6.
	* i386.h (TARGET_SWITCHES): Remove no-<cpu> entries.
	(CC1_CPU_SPEC): Likewise.
	(CPP_CPU_DEFAULT_SPEC): Streamline definition.  Add K6 version.
	(CPP_K6_SPEC): New.
	(CPP_CPU_SPEC): Add K6 variant.
	(EXTRA_SPECS): Likewise.

Fri Apr  9 11:29:17 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (merge_blocks_nomove): Rewrite to properly handle two
	blocks that vanish entirely during merging.

Sat Apr 10 20:09:55 EDT 1999  John Wehle  (john@feith.com)

	* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
	floatsixf2, floatdixf2, movsicc, movhicc, movsfcc, movdfcc,
	movxfcc, movdicc): Remove unused register constraints from
	the splitters.

	* i386.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
	fixuns_truncxfsi2): Delete.

	* reg-stack.c (delete_insn_for_stacker): Ensure that
	the only side effects of a PARALLEL are clobbers.
	(subst_stack_regs): Handle subst_stack_regs_pat deleting
	a PARALLEL.
	* i386.md (extendsfdf2, extenddfxf2,
	extendsfxf2): Rewrite using a splitter.
	* i386.c (output_op_from_reg): Remove.
	* i386.h: Likewise.

Sat Apr 10 13:09:18 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (di_operand): Allow SUBREGs as well.
	(soft_df_operand): Allow SUBREGs as well.

Sat Apr 10 06:14:31 1999  Jan Hubicka  <hubicka@paru.cas.cz>

	* extend.texi (Assembler Instructions with C Expression Operands):
	Document the i386 floating point operands.

1999-04-10  Mike Stump  <mrs@wrs.com>

	* configure.in (*-*-vxworks): Add vxWorks thread support for all
	vxWorks targets.
	* configure.in (thumb-wrs-xvworks): Add vxWorks support for thumb.
	* configure: Rebuilt.

Sat Apr 10 06:04:50 1999 Donn Terry (donn@interix.com) 

	* i386/t-interix: Use mostly system headers unchanged.
	Use system assert.h
	* fixinc/fixinc.interix: Ditto (make almost no-op).
	* config/x-interix.h (_ALL_SOURCE): add -D
	* config/x-interix.h (crti.o): Delete dependency.
	* config/xm-interix.h (ONLY_INT_FIELDS): Define only when bootstrapping.
	* i386/xm-i386-interix.h: New file.
	* i386/interix.h (ASM_OUTPUT_LIMITED_STRING): Fix warnings.
	* i386/i386-interix.h: Renamed from interix.h.
	* configure.in (interix): Use new files.
	* configure: Rebuilt.

Sat Apr 10 05:25:28 1999  Daniel Jacobowitz <dan@debian.org>

	* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Fix conditions
	for -Dunix and -Dlinux, and remove duplicate definition. 
	Change -Asystem(linux) to -Asystem(posix).
	(CPP_OS_SOLARIS_SPEC): Fix conditions for -Dunix, -Dsun,
	-DSVR4, -D__EXTENSIONS__.

	* rs6000/linux.h (CPP_PREDEFINES): Remove -Dunix,
	-Dlinux, -Asystem(linux), and -Asystem(unix).

Sat Apr 10 05:14:50 1999  Mark Elbrecht  <snowball3@usa.net>

	* i386/djgpp.h (SET_ASM_OP): Define.

	* cccp.c (DIR_SEPARATOR): Move to the top of the file.
	(is_dir_separator): New function.
	(simplify_filename): Use it.
	* collect2.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM in place
	of the DIR_SEPARATOR test.
	Consider any file starting with a drivename to be absolute.
	If the absolute filename test fails and EXECUTABLE_SUFFIX is 
	defined, append EXECUTABLE_SUFFIX to the file and try again.
	* cppinit.c (base_name): Use HAVE_DOS_BASED_FILE_SYSTEM 
	in place of __MSDOS__ and _WIN32.
	* cppfiles.c (simplify_pathname): Likewise.
	* gcc.c (IS_DIR_SEPARATOR): Define new macro. Returns true if a
	character is a directory separator.
	(find_a_file): Use it.
	(convert_filename): Likewise.
	(process_command): Likewise.
	(do_spec_1): Likewise.
	(is_directory): Likewise.
	(main): Likewise.
	* prefix.c (IS_DIR_SEPARATOR): Define. Tests whether a character is
	a directory separator.
	(translate_name): Use it.
	(update_path): Change DIR_SEPARATOR_2 to DIR_SEPARATOR. Fix 
	warning in block where '/' is changed to DIR_SEPARATOR.
	* i386/xm-djgpp.h (DIR_SEPARATOR): Set to '/'.
	(DIR_SEPARATOR_2): New macro. Set to '\'.
	(HAVE_DOS_BASED_FILESYS): Define.
	* i386/xm-mingw32.h: Updated copyright. Set 
	DIR_SEPARATOR_2 to '/'. Define HAVE_DOS_BASED_FILE_SYSTEM.
	* i386/xm-os2.h: Likewise.
	* winnt/xm-winnt.h: Likewise.
	* i386/xm-dos.h: Likewise.  Add copyright.

1999-04-10  Joseph S. Myers  <jsm28@cam.ac.uk>

	* pdp11.h (TARGET_SWITCHES): Add option to vary assembler syntax.
	(TARGET_DEFAULT): Possibly use UNIX syntax.
	(TARGET_UNIX_ASM, TARGET_UNIX_ASM_DEFAULT): New macros.
	(REGISTER_NAMES): Use "r5" instead of "fp".
	(ASM_OUTPUT_ALIGN): Use ".even" directive, and abort for any
	greater alignment.
	* 2bsd.h (TARGET_UNIX_ASM_DEFAULT): Default to UNIX assembler
	syntax for 2BSD.
	* pdp11.c (output_ascii): Use working syntax for ".byte".
	(print_operand_address): Use "*" instead of "@" when using UNIX
	assembler syntax.

Sat Apr 10 03:50:12 1999  Jeffrey A Law  (law@cygnus.com)

	* rtl.h (rebuild_jump_labels): Declare.
	* jump.c (jump_optimize_1): Renamed from jump_optimize.  Make static.
	Add new argument MARK_LABELS_ONLY.  Quit after mark_all_labels if
	requested.
	(jump_optimize, rebuild_jump_labels): New wrapper functions for
	jump_optimize_1.
	* toplev.c (rest_of_compilation): Use rebuild_jump_labels instead of
	running the entire jump optimizer.

	* rtl.h (local_alloc): Returns an integer now.
	* local-alloc.c (recorded_label_ref): New file scoped variable.
	(local_alloc): Initialize recorded_label_ref to zero.  Return its
	value when local allocation has completed.
	(update_equiv_regs); If we create an equivalence for a LABEL_REF,
	set recorded_label_ref.
	* toplev.c (rest_of_compilation): Run the jump optimizer after
	register allocation and reloading if needed.

Fri Apr  9 21:02:57 1999  Krister Walfridsson (cato@df.lth.se)

        * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Fix typo.
	* i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

1999-04-09 22:58 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cpphash.c (special_symbol): When expanding __LINE__, use the
	top file buffer, not the top buffer.

Fri Apr  9 13:41:04 1999  Jim Wilson  <wilson@cygnus.com>

	* Makefile.in (check-g++, check-gcc, check-g77, check-objc): Add
	cd .. to TCL_LIBRARY command.

Fri Apr  9 13:04:52 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/unknown-elf.h (SUBTARGET_CPU_DEFAULT): Only define if
	not already specified.

Fri Apr  9 11:18:55 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* c-common.c (decl_attributes, A_INIT_PRIORITY): Allow arrays
	of classes, too.

Fri Apr  9 10:40:10 1999  Kaveh R. Ghazi  <ghazi@snafu.rutgers.edu>

	* rs6000.c (rs6000_override_options, ptt, rs6000_file_start,
	rs6000_float_const, rs6000_replace_regno, debug_stack_info,
	rs6000_output_load_toc_table, output_prolog, output_epilog):
	Const-ify a char*.
	(output_mi_thunk): Likewise.  Mark parameter `thunk_fndecl' with
	ATTRIBUTE_UNUSED.  Hide unused variables `r0', `sp', `toc',
	`schain', `r12', `buf' and `labelno'.
	(output_ascii): Const-ify a char*.
	(rs6000_gen_section_name): Initialize variable `last_period'.
	(rs6000_adjust_priority): Mark parameter `insn' with
	ATTRIBUTE_UNUSED.
	(rs6000_trampoline_template, rs6000_dll_import_ref,
	rs6000_longcall_ref, rs6000_encode_section_info): Const-ify a char*.

	* rs6000.h (offsettable_mem_operand, optimization_options): Add
	prototypes.

	* rs6000.md (movdi, define_split): Cast a value to HOST_WIDE_INT
	when comparing against one.

Thu Apr  8 19:20:18 1999  Jeffrey A Law  (law@cygnus.com)

	* expr.c (expand_expr, case ARRAY_REF, COMPONENT_REF, BIT_FIELD_REF):
	Do not try to optimize a aggregate address which has VOIDmode.
	Mirrors March 23 change to expand_assignment.

	* flow.c (delete_unreachable_blocks): Do not require EDGE_FALLTHRU
	for an edge when tidying an edge which connects consecutive basic
	blocks.

	* flow.c (can_delete_label_p): Do not convert a label into a
	deleted label here.

	* cse.c (flush_hash_table): New function.
	(cse_insn): Flush the hash table when we encounter a volatile asm.
	(cse_basic_block): Use flush_hash_table instead of doing it
	inline.

	* reload1.c (reload_cse_regs_1): Flush known register values if
	we encounter a volatile asm.

	* loop.c (strength_reduce): Re-enable Joern's loop improvements.

Thu Apr  8 09:37:40 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (arm_print_operand): Undo previous change -
	always print large constants in decimal.

Thu Apr  8 10:22:23 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* configure.in (host_xm_file, build_xm_file): Include hwint.h.
	Use case statements instead of "if test -a ... -a ... -a ..."

	* machmode.h: Don't define HOST_WIDE_INT, etc. Wrap use of
	HOST_WIDE_INT in #ifdef.

	* mips.h: Include hwint.h instead of providing definitions for
	HOST_WIDE_INT, etc.  Wrap uses of HOST_WIDE_INT in #ifdef.

Thu Apr  8 06:16:14 EDT 1999  John Wehle  (john@feith.com)

	* i386.md (truncdfsf2, truncxfsf2,
	truncxfdf2): Rewrite using a splitter.

Thu Apr  8 01:26:05 1999  Art Haas (ahaas@neosoft.com)
			  Jeffrey A Law  (law@cygnus.com)

	* freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Avoid ambiguous
	else statement.
	* gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
	* linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
	* openbsd.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

Wed Apr  7 22:40:19 1999  Jim Wilson  <wilson@cygnus.com>

	* i960/i960.c (i960_function_prologue): Don't save static chain
	pointer.
	* i960/i960.h (STACK_CHAIN_REGNUM): Change from r3 to g12.
	(TRAMPOLINE_TEMPLATE): Likewise.
	(FRAME_POINTER_REQUIRED): Check current_function_has_nonlocal_goto.
	* i960/i960.md (nonlocal_goto): Rewrite.
	
Tue Apr  6 17:49:49 1999  Philip Blundell  <pb@nexus.co.uk>

	* config/arm/lib1funcs.asm: Test for __ELF__ not __elf__.

Wed Apr  7 14:07:34 1999  Jeffrey A Law  (law@cygnus.com)

	* h8300.c (h8300_adjust_insn_length): Also avoid recognizing
	ADDR_VEC and ADDR_DIFF_VEC insns.

	* h8300.c (h8300_adjust_insn_length): Avoid trying to recognize
	USE, CLOBBER or SEQUENCE insns.

	* unroll.c (unroll_loop): For HAVE_cc0 machines, adjust copy_end_luid
	to account for the uncopied insn that sets cc0 at the end of the loop.

	* unroll.c (copy_loop_body): Always ensure at least two insns
	are in the copied loop.

Wed Apr  7 14:52:18 1999  Catherine Moore  <clm@cygnus.com>

	* config/mips/elf.h (MAKE_DECL_ONE_ONLY): Define.
	(UNIQUE_SECTION_P): Define.

1999-04-07 11:50 -0800  Bruce Korb <ddsinc09@ix.netcom.com>

	* fixinc/inclhack.tpl & fixincl.tpl:
	Remove dynamic content from generated files

Wed Apr  7 13:16:22 EDT 1999  John Wehle  (john@feith.com)

	* i386.c (output_move_memory): Remove.
	* i386.h: Likewise.

	* i386.md (movsi, movhi, movstricthi, movqi, movstrictqi,
	movsf, movdf, movxf, movdi): Check no_new_pseudos instead
	of (reload_in_progress | reload_completed).

Wed Apr  7 03:16:45 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (reg_no_subreg_operand): New function.
	* alpha.h (PREDICATE_CODES): Add it.
	* alpha.md (floatdi?f patterns): Use it for op1.

	* alpha.c (alpha_end_function): Don't flag weak functions.

Wed Apr  7 02:11:55 1999  Richard Henderson  <rth@cygnus.com>

	* expr.c (expand_builtin) [BUILT_IN_RETURN_ADDRESS]: Use
	copy_to_mode_reg; don't force constants into a register.

Tue Apr  6 22:55:25 1999  Richard Henderson  <rth@cygnus.com>

	* toplev.c (compile_file): Typo flow_dump -> flow2_dump.

1999-04-06  Joseph S. Myers  <jsm28@cam.ac.uk>

	* pdp11.c (simple_memory_operand): Add default case in switch.
	* pdp11.h (TARGET_SWITCHES): Add help strings.
	(NOTICE_UPDATE_CC): Don't include excess argument to format.
	(ASM_OUTPUT_DOUBLE_INT): Remove.

Tue Apr  6 22:09:40 1999  Richard Henderson  <rth@cygnus.com>

	* expr.c (expand_builtin_setjmp): Put setjmp return label on
	nonlocal_goto_handler_labels for flow.

Tue Apr  6 22:05:21 1999  Jan Hubicka  <hubicka@paru.cas.cz>
			  Richard Henderson  <rth@cygnus.com>

	* flow.c (verify_flow_info): New function.
	(find_basic_blocks): Call it if ENABLE_CHECKING.
	(merge_blocks): Don't merge if there are non-deletable labels.
	* toplev.c (fatal_insn): Allow a printf-style arg list.
	* toplev.h (fatal_insn): Update prototype.

Tue Apr  6 16:18:58 1999  Jan Hubicka  <hubicka@paru.cas.cz>

	* flow.c (split_edge) update correctly flow graph, disable
	EDGE_CRITICAL flag on the split edge, update NUSES for new label.

Tue Apr  6 15:47:51 1999  Richard Henderson  <rth@cygnus.com>

	* emit-rtl.c (gen_rtx_CONST_DOUBLE): Use XWINT not XINT.
	Clear third and following slots, if they exist.

Tue Apr  6 15:45:28 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (create_basic_block): Make sure the bb note is in the block.
	(can_delete_note_p): Rename from delete_note_p.
	(delete_insn_chain): Preserve undeleteable labels too.
	(tidy_fallthru_edge): Use next_real_insn instead of confusing
	inline code.

1999-04-06 12:56 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cppexp.c (parse_charconst): Initialize c.
	(cpp_parse_expr): Initialize rprio.
	* cppfiles.c (merge_include_chains): Initialize prev.
	(finclude) Set fp->line_base to fp->buf before returning.
	* cpphash.c (macroexpand): Initialize token.
	* cppspec.c (lang_specific_driver): Change suff to
	const char *const *.

1999-04-06 12:51 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cppinit.c (install_predefs): Delete function.
	(cpp_start_read): Don't call install_predefs.
	(cpp_handle_option): Remove case 'u' and all refs to
	opts->inhibit_predefs.
	(print_help): Don't mention -undef.
	(initialize_builtins): Define __HAVE_BUILTIN_SETJMP__, to
	match cccp.
	* cpplib.h (struct cpp_options): Remove inhibit_predefs
	member.

	* cccp.c (predefs): Delete variable.
	(main): Remove case 'u' in argument parse loop,
	'inhibit_predefs' variable, and the code block that would
	process CPP_PREDEFINES.
	(initialize_builtins): Don't define __OBJC__, the driver will
	do that.

	* gcc.c (default_compilers): Remove -undef from all specs that
	invoke a C preprocessor.
	* ch/lang-specs.h: Likewise.
	* cp/lang-specs.h: Likewise.
	* f/lang-specs.h: Likewise.
	* objc/lang-specs.h: Likewise.

Mon Apr  5 11:55:31 1999  Donn Terry (donn@interix.com)

	* Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix misapplied patch.

Mon Apr  5 11:51:38 1999  Jeffrey A Law  (law@cygnus.com)

	* m68k.md (movdf): Hide GPR sources & destinations from regclass.

Mon Apr 5 09:54:42 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Apr 5 05:55:15 PDT 1999 Bruce Korb <ddsinc09@ix.netcom.com>

	* fixincl.tpl: Separate "-e" from its argument, a la
	the Sat Apr  3 17:05:13 1999 fix.
	* genfixes: Ensure that the server shell is _NOT_ csh.

Mon Apr 5 03:52:30 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Apr  5 04:47:14 1999  Jeffrey A Law  (law@cygnus.com)

	* i386.c (x86_double_with_add): Turn off for Pentium and PPro.
	(small_shift_operand, output_ashlsi3): New functions.
	* i386.h (small_shift_operand, output_ashlsi3): Declare.
	* i386.md (ashlsi3): Simplify ahlsi3 patterns.  Remove splitters
	that are no longer needed.

Sun Apr  4 04:05:04 1999  Jeffrey A Law  (law@cygnus.com)

	* stmt.c (expand_loop_end): When copying the loop exit test,
	do not walk into a nested loop.

Sun Apr  4 00:14:54 1999  Jeffrey A Law  (law@cygnus.com)

	* fixinc/hackshell.tpl: Skip links to directories, to avoid
	removing them.
	* fixinc/inclhack.tpl: Likewise.
	* fixinc/fixinc.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.

Sat Apr  3 23:46:13 1999  David Edelsohn  <edelsohn@gnu.org>
	
	* rs6000.md (addsi3, iorsi3, xorsi3, adddi3, iordi3, xordi3,
	movsi_got, movsi, movsf): Use no_new_pseudos.
	* rs6000.c (rs6000_got_register): Likewise.
	(offsettable_mem_opereand): Use || not |.

Sat Apr  3 22:02:56 1999  Jeffrey A Law  (law@cygnus.com)

	* acconfig.h (ENABLE_CHECKING): Remove redundant #undef.
	* config.in: Rebuilt.

Sat Apr  3 16:22:59 1999  Toshiyasu Morita  (tm@netcom.com)

	* gcc.texi: Add info on regmove pass.

	* regmove.c (fixup_match_1): Consistently evaluate
	HAVE_POST_INCREMENT and HAVE_POST_DECREMENT.

Sat Apr  3 19:21:05 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER): Use grep
	instead of test and sed to check whether they're GNU programs.
	* configure: Rebuilt.

Sat Apr  3 17:57:35 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* Makefile.in (install-headers-tar, install-headers-cpio): Avoid
	problems with CDPATH.
	Reported by Ralf Canis <canis@bigfoot.com>

Sat Apr  3 13:50:16 1999  Jeffrey A Law  (law@cygnus.com)

	* fixinc.x86-linux-gnu: Deleted.

Sat Apr  3 17:05:13 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* inclhack.tpl: Insert spaces between `sed -e' and '...'.
	Reported by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
	* fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Regen.
	
Sat Apr  3 14:54:46 1999  Craig Burley  <craig@jcb-sc.com>

	* tree.def (BLOCK): Fix typo in comment.

Sat Apr  3 00:53:29 EST 1999  John Wehle  (john@feith.com)

	* i386.md (floatsisf2, floatdisf2, floatsidf2, floatdidf2,
	floatsixf2, floatdixf2): Rewrite using a splitter.

Fri Apr  2 17:36:10 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/arm.c (arm_print_operand): Print large constants in
	hex rather than decimal.

Fri Apr  2 17:23:58 1999  Nick Clifton  <nickc@cygnus.com>

	* print-rtl.c (print_rtx): Use both HOST_WIDE_INT_PRINT_DEC
	and HOST_WIDE_INT_PRINT_HEX to display constants.

1999-04-02 20:16 -0500  Zack Weinberg  <zack@rabi.columbia.edu>

	* config/i386/i386.h: Document all TARGET_SWITCHES or add
	explicit null initializer.

	* config/i386/cygwin.h: Document all SUBTARGET_SWITCHES.
	* config/i386/dgux.h: Likewise.
	* config/i386/osf1elf.h: Likewise.
	* config/i386/win32.h: Likewise.
	* config/i386/osfrose.h: Likewise.  Drop obsolete -mno-ident option.

Fri Apr  2 17:49:44 1999  Toshiyasu Morita <tm@netcom.com>

	* regmove.c (fixup_match_1): Remove now useless if (0).

Sat Apr  3 11:37:20 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* tm.texi (USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT): Document.
	(USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Fix documentation.

	* rtl.h	(USE_LOAD_POST_DECREMENT, USE_LOAD_PRE_DECREMENT,
	USE_STORE_POST_DECREMENT, USE_STORE_PRE_DECREMENT,
	USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Provide default
	definition.

	* expr.c (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_INCREMENT,
	USE_STORE_POST_INCREMENT, USE_STORE_PRE_INCREMENT): Delete default
	definition.

Fri Apr  2 16:03:05 1999  Jeffrey A Law  (law@cygnus.com)

	* fixinc.dgux, fixinc.interix, fixinc.irix, fixinc.ptx: Deleted.
	* fixinc.sco, fixinc.svr4, fixinc.winnt, fixinc.wrap: Likewise.

Fri Apr  2 15:46:25 1999  Donn Terry (donn@interix.com)

	* configure.in: Set and substitute quoted_cc_set_by_configure.
	* configure: Rebuilt.
	* Makefile.in (SUBDIR_FLAGS_TO_PASS): Fix quoting problem with ``.

Fri Apr  2 14:35:45 1999  Stan Cox  <scox@cygnus.com>

	* config/i386/cygwin.h (CPP_SPEC): Use mingw_include_path instead
	of a hardcoded path for -mno-cygwin.
	(mingw_include_path): New.

1999-04-02  Joseph S. Myers  <jsm28@cam.ac.uk>

	* pdp11.c: Include "recog.h".
	(output_function_prologue): Remove unused variables `nregs', `i',
	`offset'.
	(output_function_epilogue): Remove unused variables
	`may_call_alloca', `nregs', `regno', `adjust_fp'.
	(output_ascii): Mark as returning void.
	(print_operand_address: Likewise.
	(simple_memory_operand): Remove unused variables `plus0', `plus1',
	`offset'.
	* pdp11.h: Declare functions `arith_operand',
	`const_immediate_operand', `expand_shift_operand',
	`legitimate_address_p', `notice_update_cc_on_set', `output_ascii',
	`output_function_epilogue', `output_function_prologue',
	`print_operand_address', `register_move_cost',
	`simple_memory_operand'.
	(HARD_REGNO_MODE_OK): Parenthesize `REGNO' arg.
	(REGNO_REG_CLASS): Likewise.
	* pdp11.md: Add explicit `int' to `static count' (in two places).
	(addhi3): Add explicit braces to avoid ambiguous else.
	(addqi3): Likewise.
	(ashlhi3): Likewise.

Fri Apr  2 14:17:10 1999  Jerry James <jerry@cs.ucsb.edu>

	* gcc/invoke.texi: Add documentation for additional supported
	MIPS CPU types, options -mips16 and -mentry, and ABI and ISA
	defaults.

Fri Apr  2 14:12:06 EST 1999  John Wehle  (john@feith.com)

	* i386.md: Delete floating point compare, add, subtract,
	multiply, and divide patterns which allowed integer
	operands.
	* i386.c (output_386_binary_op): Delete unused code.
	(output_float_compare): Likewise.

Fri Apr  2 11:53:37 1999  John Wehle  (john@feith.com)

	* i386.md (movsf+1, movdf+1, movxf+1): Update constraints
	so that SECONDARY_MEMORY_RELOAD is used.  Remove dead code.

1999-04-02  Bruce Korb <ddsinc09@ix.netcom.com>

	* fixinc/mkfixinc.sh: Added support for x86-interix.
	* fixinc/fixinc.interix: Fixincludes script, slight changes
	from ./fixinc.interix.  Untested (needs interix box).
	* fixinc/inclhack.def:
	Complete the change to the 'fixinc.tmp' file.
	Fixed regex for finding C++ headers.
	* fixincl.x, fixincl.sh, inclhack.sh: Regenerate.

Fri Apr  2 11:36:12 1999  Jan Hubicka  (hubicka@paru.cas.cz)

	* i386.c (print_operand_address, case REG): Do not use ESI addressing
	mode for the K6.

	* i386.c (print_operand_address, case MULT): Use more efficient
	encoding (mult (reg) (const_int 2)).

Thu Apr  1 17:01:50 1999  Richard Henderson  <rth@cygnus.com>

	Move over patch from Bernd Schmidt from GC branch:
	* emit-rtl.c (gen_rtx_CONST_DOUBLE): New function.
	(gen_rtx): Call it.  Tidy cases.
	* rtl.h (gen_rtx_CONST_DOUBLE): Prototype it.
	* gengenrtl.c: Add commentary.
	(special_rtx): Also match CONST_DOUBLE.
	(gencode): Emit call to memset instead of bzero.

Fri Apr  2 12:58:26 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (ashlhi3, lshrhi3, ashrhi3): Force operand 1
	into a register if shift count not constant.
	(ashlhi3_reg, lshrhi3_reg, ashrhi3_reg): Ensure that operand 1
	is a register.

Fri Apr  2 12:19:17 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*db): Enable pattern if TARGET_LOOP_UNSIGNED
	is non-zero.
	(movstrqi_small, movstrqi_large, *cmpstrqi): Add + modifier to address
	register constraints.
	(*movhi_clobber+1): Modify splitter pattern to handle destination
	register that is used in the source address.
	(*xorhi3_clobber): Replace AND with XOR in call to legitimize_operands.

Fri Apr  2 12:16:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h: Added more comments.

Fri Apr  2 11:58:22 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_emit_move_sequence): Force invalid QImode
	constants into memory if we get called directly from gen_move_insn
	rather than emit_move_insn.
	(c4x_legitimize_address): Fix up LABEL_REF addresses.

Thu Apr  1 12:04:05 1999  Jim Wilson  <wilson@cygnus.com>

	* expr.c (store_field): When check direct_store, assume all complex
	modes can be directly stored.

1999-04-01  Bruce Korb <ddsinc09@ix.netcom.com>

	* fixinc/genfixes: New shell script that runs autogen
	to create the generated files.

1999-04-01  Manfred Hollstein  <manfred@s-direktnet.de>

	* Makefile.in (cppmain$(exeext)): Depend on intl.o.  Link in intl.o.

Thu Apr  1 03:48:34 1999  H.J. Lu  (hjl@gnu.org)

	* i386.c (output_fp_conditional_move): Abort for LT, LE, GE, and GT
	signed integer comparisons.

	* i386.c (output_int_conditional_move): Use "enum rtx_code" for code
	type.

	* i386.c (notice_update_cc): No need to check the INT mode for
	conditional moves since FLOAT conditional moves don't affect cc0.

Thu Apr  1 02:17:18 1999  Jeffrey A Law  (law@cygnus.com)

	* fixinc/inclhack.def (zzz_ki_syscalls, zzz_time): Fix trigger
	string to only match on hpux11.
	* fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.

Thu Apr  1 01:09:27 1999  Alexandre Oliva  <oliva@dcc.unicamp.br>

	* fixinc/hackshell.tpl: Complete transition to fixinc.tmp.
	* fixinc/inclhack.sh: Rebuilt.

	* fixinc/inclhack.def: Fix typos in c_asm.h fix.
	* fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixinc.sh: Rebuilt.

Wed Mar 31 17:20:11 1999  Jeffrey A Law  (law@cygnus.com)

	* toplev.c (rest_of_compilation): Allow dbr_schedule to write to
	the dump file too.

Wed Mar 31 12:32:43 1999  Richard Henderson  <rth@cygnus.com>

	* flow.c (find_basic_blocks): New argument `do_cleanup'.
	Conditionally call delete_unreachable_blocks.
	(free_basic_block_vars): Zero ENTRY/EXIT data.
	(allocate_for_life_analysis): Kill.  Split into...
	(allocate_bb_life_data, allocate_reg_life_data): ... new functions.
	(life_analysis_1): Update.
	* gcse.c (gcse_main): Update find_basic_blocks call.
	* toplev.c (rest_of_compilation): Likewise.
	* stupid.c (stupid_life_analysis): Update life data calls.
	* rtl.h, output.h: Update prototypes.

Wed Mar 31 12:10:00 1999  Bruce Korb <ddsinc09@ix.netcom.com>

	* inclhack.def (several): Added spaces in tests to ensure
	correct shell syntax.  Added c_asm.h fix from fixincludes.
	Also corrected the corrected fix to C++ comments :-}

	* inclhack.tpl: Changed method of traversing symlink trees
	so that file name matching will work correctly.

	* fixincl.c, hackshell.tpl: Fallout from above.
	* fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.

Tue Mar 30 10:43:49 1999  Philip Blundell  <pb@nexus.co.uk>

	* config/arm/aout.h (DBX_DEBUGGING_INFO): Avoid redefinition if
	dbxelf.h was previously included.
	(CPP_APCS_PC_DEFAULT_SPEC): No need to undefine.
	
	* config/arm/linux-elf.h (FP_DEFAULT): Correctly override the
	definition from arm.h.

Wed Mar 31 10:33:37 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (c-gperf.h): Generate using gperf language 'C', not
	'KR-C', so gperf uses the `const' keyword on strings.
	
	* c-parse.gperf (resword): Const-ify a char*.

Wed Mar 31 01:49:31 1999  Ian Lance Taylor  <ian@zembu.com>

	* t-rtems (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.

Wed Mar 31 00:50:48 1999  Jeffrey A Law  (law@cygnus.com)

	* system.h (STDERR_FILENO): Fix typo.

	* inclhack.def (bool): Also fix bogus bool in curses_colr/curses.h.
	* fixincl.x, inclhack.sh, fixincl.sh: Rebuilt.

Tue Mar 30 20:51:40 1999  Mark Mitchell  <mark@codesourcery.com>

	* alias.c (alias_set_compare): Remove.
	(record_alias_subset): Use splay_tree_compare_ints instead of
	alias_set_compare.
	(init_alias_once): Likewise.
	* cse.c: Include splay-tree.h.
	(reg_qty): Remove.
	(reg_tick): Likewise.
	(reg_table): Likewise.
	(cse_reg_info): New structure.
	(cse_reg_info_free_list): New variable.
	(cse_reg_info_tree): Likewise.
	(cached_regno): Likewise.
	(cached_cse_reg_info): Likewise.
	(all_minus_one): Remove.
	(consec_ints): Likewise.
	(GET_CSE_REG_INFO): New macro.
	(REG_TICK): Likewise.  Use throughout instead of reg_tick.
	(REG_IN_TABLE): Likewise.  Use throughout instead of reg_in_table.
	(REG_QTY): Likewise.  Use throughout instead of reg_qty.
	(get_cse_reg_info): New function.
	(free_cse_reg_info): Likewise.
	(new_basic_block): Reinitialize cse_reg_info_tree instead of
	reg_tick, all_minus_one, and consec_ints.
	* Makefile.in (cse.o): Depend on splay-tree.h

Tue Mar 30 13:19:36 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* libgcc2.c (throw_helper): Just return the SP offset, rather than
	a whole udata.  Include args_size in the offset.
	(__throw, __rethrow): Adjust.

Tue Mar 30 11:39:27 1999  Craig Burley  <craig@jcb-sc.com>

	* extend.texi (Extended Asm): Delete spurious `b' before
	`@end example', which was confusing texi2html.

Tue Mar 30 00:26:34 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* dwarf2out.c (output_line_info): Don't emit redundant info.
	Do start a new row if the file changes and the line # doesn't.

Mon Mar 29 15:48:39 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* invoke.texi (Invoking G++, C++ Dialect Options): Update.

Mon Mar 29 15:05:39 1999  Richard Henderson  <rth@cygnus.com>

	* except.c (start_dynamic_handler): Force jmp_buf address to
	and operand before moving to memory.

Mon Mar 29 15:11:10 1999  Craig Burley  <craig@jcb-sc.com>

	* invoke.texi (Code Gen Options): Attempt to clarify
	-fcheck-memory-usage.  Minor edits to -fprefix-function-name.

Mon Mar 29 20:52:47 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* loop.c (maybe_eliminate_biv): For libcalls that set a giv, skip to
	end of libcall.

Mon Mar 29 20:35:49 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.md (mulsi3): Tag an extra REG_EQUAL note to the middle insn.

Mon Mar 29 11:50:34 1999  Jerry Quinn <jquinn@nortelnetworks.com>

	* pa.h (HAVE_PRE_INCREMENT): Disable when optimizing for a PA8000
	class machine.
	(HAVE_PRE_DECREMENT, HAVE_POST_INCREMENT): Likewise.
	(HAVE_POST_DECREMENT): Likewise.

Mon Mar 29 08:24:43 1999  Bruce Korb <korb@datadesign.com>

	* fixinc/mkfixinc.sh: Fix portability problems with old shells.

	* fixinc/README: Updated for release announcement

Sun Mar 28 20:26:55 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* recog.h (insn_outfun, insn_operand_predicate): Add prototype
	arguments.

	* rtl.h (note_stores): Likewise.

	* rtlanal.c (note_stores): Likewise.

Sun Mar 28 15:34:28 1999  Richard Henderson  <rth@cygnus.com>

	* varasm.c (output_constant_pool): Always mark the constant pool.

Sun Mar 28 16:09:01 1999  "Jerry Quinn" <jquinn@nortelnetworks.com>

	* pa.md (pa7100LCshiftmem, pa7100LCalu): Change simultaneity.  Use
	shift/mem ops in pa7100LCalu.

	* pa.c (pa_adjust_cost): Don't do cost adjustments on pa8000.
	(pa_reorg): Don't call pa_combine_instructions on pa8000.

Sun Mar 28 15:27:26 1999  Jeffrey A Law  (law@cygnus.com)

	* reload1.c (reload): Remove accidental code duplication.

Sun Mar 28 12:22:12 1999  Robert Lipe  (robertlipe@usa.net)

	* i386/sysv5.h: New file to describe UnixWare7/SVR5.
	* configure.in (i?86-UnixWare7*-sysv): Use it.
	* i386/udk.h: Use sysv5.h.  Now uses Dwarf-2.

Sun Mar 28 01:15:04 PST 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Sun Mar 28 00:44:27 1999  Jeffrey A Law  (law@cygnus.com)

	* sdbout.c (sdbout_symbol): Do not call build_pointer_type, build
	one on the fly and do not cache the result.

	* gcc.cps, cpp.cps: Delete unwanted files.

Sat Mar 27 23:37:40 EST 1999  John Wehle  (john@feith.com)

	* i386.md (movdicc+3, movdicc+4): Rewrite using split_di.
	* i386.c (output_int_conditional_move): Delete unused code.

Sat Mar 27 21:17:36 1999  David Edelsohn  <edelsohn@gnu.org>

	* rs6000/{aix41.h,aix43.h} (ASM_CPU_SPEC): Add 604e.

Sat Mar 27 16:13:50 1999  Jeffrey A Law  (law@cygnus.com)

	* flow.c (mark_used_regs): Improve handling of ASMs.

1999-03-26 Zack Weinberg  <zack@rabi.columbia.edu>

	* Makefile.in (xcpp, cppspec.o): New targets.
	(CPP_INSTALL_NAME): New macro.
	(install-cpp): Install xcpp.  Use CPP_INSTALL_NAME.
	(all.build, start.encap): Build xcpp.

	* cppspec.c: New file, implements argument filtering for a
	user-visible C preprocessor.
	* cpp.sh: Removed.

Fri Mar 26 20:41:46 1999  Jim Wilson  <wilson@cygnus.com>

	* Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir.

Fri Mar 26 16:02:37 1999  Nick Clifton  <nickc@cygnus.com>

	* configure.in (arm-*-vxworks*): Just include arm/vxarm.h.
	* configure: Regenerate.
	* config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before
	including arm/coff.h

1999-02-16  Scott Bambrough <scottb@corelcomputer.com>

	* configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if
	--enable-threads[={yes,pthreads,posix}] is passed as a command
	line parameter to configure.

	* configure: Regenerate.
	
	* gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC.

Fri Mar 26 19:42:19 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* loop.c (combine_givs): Fix index into can_combine when doing
	benefit adjustment for remaining givs when having combined a giv.

Fri Mar 26 11:38:01 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define.

Fri Mar 26 10:48:27 1999  Nick Clifton  <nickc@cygnus.com>

	* config/arm/linux-elf.h: Include dbxelf.h

Fri Mar 26 10:43:47 1999  Nick Clifton  <nickc@cygnus.com>

	* config/svr4.h: Include new header file dbxelf.h.
	(DBX_DEBUGGING_INFO): Remove definition.
	(DBX_USE_BINCL): Remove definition.
	(DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
	(ASM_IDENTIFY_GCC): Remove definition.
	(ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
	(ASM_OUTPUT_SOURCE_LINE): Remove definition.
	(DBX_FUNCTION_FIRST): Remove definition.
	(DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition.

	* config/elfos.h: Include new header file dbxelf.h.
	(DBX_DEBUGGING_INFO): Remove definition.
	(DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition.
	(ASM_IDENTIFY_GCC): Remove definition.
	(ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition.
	(ASM_OUTPUT_SOURCE_LINE): Remove definition.
	(DBX_FUNCTION_FIRST): Remove definition.

	* config/dbxelf.h: New header file.
	(DBX_DEBUGGING_INFO): Define.
	(DBX_BLOCKS_FUNCTION_RELATIVE): Define.
	(DBX_FUNCTION_FIRST): Define.
	(DBX_USE_BINCL): Define.
	(DBX_CONTIN_LENGTH): Define.
	(ASM_IDENTIFY_GCC): Define.
	(ASM_IDENTIFY_GCC_AFTER_SOURCE): Define.
	(ASM_OUTPUT_SOURCE_LINE): Define.
	(DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.

Fri Mar 26 01:59:15 1999  "Charles M. Hannum" <root@ihack.net>

	* fold-const.c (fold_truthop): Optimize bitfield references with
	different masks as long as their size and bit position are the same.

	* fold-const.c (fold_truthop): Build a type for both the lhs and
	rhs and use it appropriately.

	* fold-const.c (fold_truthop): Mask the lhs and rhs after merging
	adjacent bitfield references.

	* fold-const.c (fold_truthop): Verify that the lhs and rhs are
	in the same bit position when optimizing bitfield references
	which have the same mask.