pa.h (PRINT_OPERAND_ADDRESS): Output "%r0", not "r0" for the base register in an...

[gcc.git] / gcc / ChangeLog

Sat May  8 23:05:35 1999  Jeffrey A Law  (law@cygnus.com)

	* pa.h (PRINT_OPERAND_ADDRESS): Output "%r0", not "r0" for the
	base register in an absolute memory address.
	* pa.md (conditional moves): Avoid using immediate zero for
	register zero.

Sat May  8 06:23:21 1999  Philip Blundell  <pb@nexus.co.uk>

	Based on patch by Scott Bambrough:
	* config/arm/arm.h (NEED_PLT_GOT): New macro.  Set to 0 if not
	already defined.
	* config/arm/elf.h (NEED_PLT_GOT): Define to flag_pic.
	* config/arm/arm.md (call_symbol, call_value_symbol et al.): If 
	NEED_PLT_GOT is true, add explicit "(PLT)" to generated branches.
	* config/arm/arm.c (output_func_epilogue, 
	output_return_instruction): Likewise for calls to abort.

Sat May  8 01:57:58 1999  Donn Terry (donn@interix.com)

	* calls.c (rtx_for_function_call): Extend function pointer being
	passed to chkr_check_exec_libfunc, if needed.

Sat May  8 01:51:50 1999  David Edelsohn  <edelsohn@gnu.org>

	* ginclude/stdarg.h (__va_rounded_size): Use long type for
	rounding on AIX.
	* ginclude/varargs.h: Likewise.

Sat May  8 01:47:20 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

	* invoke.texi: Remove duplicates in the description of -d
	letters.  Fix use of @item vs. @itemx.

Sat May  8 01:43:02 1999  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* rs6000.h (RS6000_VARARGS_OFFSET): Die die die.
	(CUMULATIVE_ARGS): Remove varargs_offset; update commentary.
	* rs6000.c (setup_incoming_varargs): Fix typo last change.
	(init_cumulative_args): Remove varargs_offset references.

	* rs6000/linux.h (NO_IMPLICIT_EXTERN_C): Define.
	(MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Undefine.

Sat May  8 01:34:19 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

	* reload1.c (gen_mode_int): New function.
	(reload_cse_move2add): Use it to generate the new constants.

Sat May  8 01:25:09 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

	* varasm.c (output_constant): Do nothing if -fsyntax-only.

Fri May  7 19:10:15 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

	* sparc.h (GO_IF_LEGITIMATE_ADDRESS): Prohibit REG+REG addressing
 	for TFmode when there are no instructions which accept REG+REG
 	instructions.

Fri May  7 12:38:54 1999  Jim Wilson  <wilson@cygnus.com>

	* mips/elf64.h (MAKE_DECL_ONE_ONLY, UNIQUE_SECTION_P): Define.
	* mips/mips.c (mips_select_rtx_section): When TARGET_MIPS16, use
	function_section instead of text_section.
	* mips/mips.h (ENCODE_SECTION_INFO): Add check for UNIQUE_SECTION_P
	in TARGET_MIPS16 STRING_CST handling.

Fri May  7 09:54:11 1999  Nick Clifton  <nickc@cygnus.com>

	Patch from: Nick Burrett  <nick.burrett@btinternet.com>

	* arm.c (arm_poke_function_name): New function to implement
	-mpoke-function-name.
	* aof.h (ASM_DECLARE_FUNCTION_NAME): Call it.
	* aout.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* elf.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* arm.h: Prototype it.
	(TARGET_SWITCHES): Add `no-poke-function-name'.

Fri May  7 14:19:31 1999  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* fixinc/server.c (load_data): Cast text_size to long, adapt
	format.
	* fixinc/server.c (read_pipe_timeout): Declare volatile, modified
	in signal handler.
	(sig_handler): Add debug code.
	* fixinc/server.c (run_shell): Don't \-escape cd, it breaks the
	Ultrix V4.3 /bin/sh.
	* fixinc/server.c (def_args): Use static instead of STATIC to
	avoid redefinition error from linker iff DEBUG.

	* fixinc/hackshell.tpl: Don't strip trailing directory from
	DESTDIR - that is already done

	* fixinc/fixincl.c (run_compiles): fix memory leak

Thu May  6 20:34:00 1999  Mark Mitchell  <mark@codesourcery.com>

	* resource.c (mark_referenced_resources): Make volatil
	monotonically increasing.
	(mark_set_resources): Likewise.

Thu May  6 20:02:33 1999  Fred Fish  <fnf@be.com>

	* rs6000/xm-beos.h (HAVE_VPRINTF): Don't redefine if already defined.
	(HAVE_PUTENV, HAVE_ATEXIT, HAVE_RENAME): Likewise.

Wed May  5 20:28:32 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* install.texi (Header Dirs): s/GPLUS/GPLUSPLUS/.

Wed May  5 23:44:15 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* unroll.c (copy_loop_body): Don't copy VTOP notes from copy_notes_from.

Wed May  5 16:26:13 1999  Vladimir Makarov  <vmakarov@tofu.to.cygnus.com>

	* function.c (purge_addressof_replacements): Rename into
 	purge_bitfield_addressof_replacements.
	(purge_addressof_replacements): New variable.
	(purge_addressof_1): Add code for changing addressof in notes for
 	field values which are extracted by usage MEM with narrower mode.
	(purge_addressof): Initialize purge_bitfield_addressof_replacements.

Wed May  5 07:40:02 1999  Nick Clifton  <nickc@cygnus.com>

	Patch from: Nick Burrett  <nick.burrett@btinternet.com>
	* config/arm/arm.h (ARM_MCOUNT_NAME): Define.
	(FUNCTION_PROFILER): Remove assembler dialect dependency and use
	ARM_MCOUNT_NAME.
	(TRAMPOLINE_TEMPLATE): Remove assembler dialect dependency.
	
	* config/arm/aof.h (ARM_MCOUNT_NAME): Define.

1999-05-05 09:58 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* gcc.c (default_compilers): Fix brace nesting bug.
	* objc/lang-specs.h: Use %i, not %g.mi, for the input file
	when processing an .mi file.

Tue May  4 13:17:55 1999  Mark Mitchell  <mark@codesourcery.com>

	* resource.c (mark_set_resources): Handle UNSPEC_VOLATILE,
	ASM_INPUT, TRAP_IF, and ASM_OPERANDS just like in
	mark_referenced_resources.

Mon May  3 22:38:41 1999  David Edelsohn  <edelsohn@gnu.org>

	* rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Change non-PowerPC
	and AIX64 combination to warning.  Add warning for disabling
	PowerPC64 support when using 64-bit mode.
	(LIB_SPEC): Do not link with libg.a in 64-bit mode.
	(LINK_SPEC): Do not export libg.exp symbols in 64-bit mode.
	* rs6000/rs6000.h (MY_ISCOFF): Treat import/export files as valid
	XCOFF files.
	(read_only_data_section, private_data_section,
	read_only_private_data_section): Always align CSECTs to doubleword
	boundary regardless of mode.
	(TEXT_SECTION_ASM_OP): Align text CSECT on doubleword boundary in
	64-bit mode.
	(DATA_SECTION_ASM_OP): Always align CSECT to doubleword boundary.
	(ASM_OUTPUT_LOCAL): Use rounded size in 64-bit mode to
	maintain doublword alignment.

Mon May  3 14:45:23 1999  Jeffrey A Law  (law@cygnus.com)

	* mn10200.md (btst insns): btst does not leave cc0 in a useable
	state for redundant tst eliminatino.
	* mn10300.md (btst insns): Likewise.

Mon May  3 16:14:32 1999  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* mips.h (Pmode): Revert Oct 14th change which added a cast.

Sun May  2 14:02:21 1999  Mark Mitchell  <mark@codesourcery.com>

	* tree.h (struct tree_decl): Add comdat_flag.
	(DECL_COMDAT): Define it.
	* toplev.c (wrapup_global_declarations): Don't output a
	DECL_COMDAT function just because it's public.

Sun May  2 15:16:42 1999  Joseph S. Myers  <jsm28@cam.ac.uk>

	* pdp11.h (TARGET_SWITCHES): Fix error in previous change.
	(ASSEMBLER_DIALECT): Define.
	(CONDITIONAL_REGISTER_USAGE): Rename floating point registers if
	required for the UNIX assembler.
	(ASM_OUTPUT_INT): Remove.  The compiler will synthesise it.
	(ASM_OUTPUT_ADDR_VEC_PROLOGUE): Remove.
	(ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Change to "[" and "]".
	(TRAMPOLINE_TEMPLATE): Use ASM_OUTPUT_SHORT.
	* pdp11.c (output_addr_const_pdp11): Copy of output_addr_const
	adapted to output constants in octal.
	* pdp11.c, pdp11.h, pdp11.md: Use output_addr_const_pdp11 instead
	of output_addr_const.  Output constants in octal.  Use assembler
	dialect alternatives where DEC and UNIX assemblers use different
	instruction names.

Sun May 2 01:15:06 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Fri Apr 30 13:55:43 1999  Richard Henderson  <rth@cygnus.com>

	* va-ppc.h (__va_start_common): Let __builtin_saveregs do the work.
	* rs6000.c (expand_builtin_saveregs): For V4, initialize a private
	va_list struct, and return a pointer to it.
	(setup_incoming_varargs): V4 save area based off virtual_stack_vars
	instead of frame_pointer.

Thu Apr 29 23:02:22 1999  Mark Mitchell  <mark@codesourcery.com>

	* emit-rtl.c (start_sequence): Expand comments.
	(start_sequence_for_rtl_expr): Likewise.
	(push_to_sequence): Likewise.
	(end_sequence): Likewise.
	* expr.c (inhibit_defer_pop): Likewise.
	* expr.h (inhibit_defer_pop): Likewise.
	(NO_DEFER_POP): Likewise.
	(OK_DEFER_POP): Likewise.

Thu Apr 29 22:13:46 1999  Robert Lipe  <robertlipe@usa.net>

	* configure.in (i?86-UnixWare7*-sysv): Set thread_file to 'posix'
	--enable-threads[={yes,pthreads,posix}] is passed as a command
	line parameter to configure.
	* config/i386/sysv5.h (LIB_SPEC): Add support for '-pthread'.
	(CPP_SPEC): Likewise.

Thu Apr 29 17:23:59 1999  Richard Henderson  <rth@cygnus.com>

	* emit-rtl.c (operand_subword): Religiously mask and sign-extend
	from 32-bits to HOST_WIDE_INT.

Thu Apr 29 15:58:52 1999  Robert Lipe  <robertlipe@usa.net>

	* fixinc/regex.c, fixinc/regex.h: Removed.   Replace with...
	* fixinc/gnu-regex.c, fixinc/gnu-regex.h: Imported from GDB 4.18.
	* fixinc/Makefile.in (OBJ, HDR): Handle name changes from above.
	(gnu-regex.o): Define REGEX_MALLOC to avoid memory leak.
	* fixinc/fixincl.c: new regex.h header name
	* Makefile.in: new regex.[ch] file names

Thu Apr 29 12:53:33 1999  Richard Henderson  <rth@cygnus.com>

	* calls.c (emit_call_1): Pass rounded_stack_size to emit_call
	instead of the unrounded size.

1999-04-28 14:40 Bruce Korb <ddsinc09@ix.netcom.com>

	* fixinc/mkfixinc.sh: Makesure the result shell script is writable

Wed Apr 28 10:36:39 1999  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>

	* config/m68k/m68k.md (cmpsi+1): Use cmp.w when comparing a 16 bit
	constant with an address register. 

Wed Apr 28 00:14:41 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Tue Apr 27 19:50:25 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* rtl.h (REG_EH_REGION): Update comment to indicate a value of -1
	indicates no throw and no nonlocal gotos.
	* optabs.c (emit_libcall_block): Emit REG_EH_REGION with a value
	of -1 instead of 0 to indicate a nonlocal goto won't happen either.
	* flow.c (count_basic_blocks, find_basic_blocks_1): Ignore libcall
	blocks, look for REG_EH_REGION note exclusively.
	(make_edges): Check for REG_EH_REGION > 0 for specified handlers.

Tue Apr 27 15:33:42 1999  David Edelsohn  <edelsohn@gnu.org>

	* rs6000.h (read_only_data_section, private_data_section,
	read_only_private_data_section, toc_section): Align CSECT on
	doubleword boundary for 64-bit target.
	(DATA_SECTION_ASM_OP): Likewise.
	* rs6000.c (rs6000_stack_info): Leaf procedure stack limit is 288.

Tue Apr 27 20:19:47 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* sh.md (insv): Use copy_addr_to_reg.

	* final.c (insn_lengths_max_uid): New variable.
	(init_insn_lengths, shorten_branches): Set it.
	(get_attr_lengths): Test insn uid against insn_lengths_max_uid.

1999-04-27 08:32 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* expr.c (emit_move_insn_1): Abort if MODE argument is invalid. 
	(compare): Punt if TREE_OPERAND (exp, 0) is an ERROR_MARK.

Tue Apr 27 01:33:43 1999  Jeffrey A Law  (law@cygnus.com)

	* Makefile.in (ORDINARY_FLAGS_TO_PASS): Renmaed from FLAGS_TO_PASS.
	Remove "CC".
	(FLAGS_TO_PASS): New variable.

Tue Apr 27 00:36:44 1999  Nick Burrett  <nick.burrett@btinternet.com>

	* arm.md (nop): Output instruction using output_asm_insn to fix
	assembler dialect problems.

Mon Apr 26 23:55:50 1999  Robert Lipe  <robertlipe@usa.net>

	* Makefile.in (fixinc.sh): Fix dependencies.

	* fixinc/inclhack.def (avoid_bool): Enable match if typedefs are 
	prepended by spaces.
	(sco5_stat_wrappers): New fix.   Make sys/stat.h C++ safe.
	* fixinc/fixincl.sh, fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.

Mon Apr 26 23:28:54 1999  Mumit Khan  <khan@xraylith.wisc.edu>
                          Donn Terry  <donn@interix.com>

	* function.c (put_var_into_stack): Change ptr_mode to Pmode
	in setup for chkr_set_right_libfunc calls.
	(assign_params): Likewise.
	* expr.c (emit_push_insn): Change ptr_mode to Pmode in
	setup for chkr_copy_bitmap_libfunc and chkr_set_right_libfunc calls.
	(expand_assignment): Change ptr_mode to Pmode in
	setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
	(store_expr): Change ptr_mode to Pmode in
	setup for chkr_add_libfunc and chkr_copy_bitmap_libfunc.
	(expand_expr): Change ptr_mode to Pmode in
	setup for chkr_check_addr_libfunc.
	(expand_builtin): Change ptr_mode to Pmode in
	setup for chkr_check_str_libfunc, chkr_copy_bitmap_libfunc and
	chkr_check_addr_libfunc.
	* calls.c (rtx_for_function_call): Change ptr_mode to Pmode in
	setup for chkr_check_exec_libfunc.
	(expand_call): Change ptr_mode to Pmode in
	setup for chkr_set_right_libfunc.
	(expand_call): Change ptr_mode to Pmode in
	setup for chkr_set_right_libfunc.
	(store_one_arg): Change ptr_mode to Pmode in
	setup for chkr_set_right_libfunc.

        * c-parse.in (absdcl1): Allow attributes in explicit typespecs.
        (%expect): Update.
        * c-parse.y: Regenerate.
        * c-parse.c: Likewise.
        * objc/objc-parse.c: Likewise.
        * objc/objc-parse.y: Likewise.

Mon Apr 26 21:17:41 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* c-pragma.c (push_alignment): Don't ignore alignments greater than
	4 bytes.
	(handle_pragma_token): Likewise.

	* c-pragma.c: Support for #pragma pack (push, <id>, <n>).
	(struct align_stack): Add id field.
	(push_alignment, pop_alignment): Take id parameter.
	(handle_pragma_token): Add necessary states.
	* c-pragma.h (enum pragma_state): Add necessary states.

Tue Apr 27 13:58:23 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*cmpqf, *cmpqf_noov, *cmpqi_test, 
	*cmpqi_test_noov): Remove ? modifier from constraints list.
	(*smulqi3_highpart_clobber, *umulqi3_highpart_clobber): Swap
	output strings to match new constraint ordering.

1999-04-26 19:16 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cpphash.c (dump_definition): New function.
	* cpphash.h: Prototype it.

	* cpplib.c (handle_directive): Don't output anything here.
	Streamline.
	(pass_thru_directive): Take a length, not a pointer to the
	end.  All callers changed.
	(do_define): Handle -dD, -dN, -g3 entirely here.  Streamline.
	(do_include): Handle -dI here.
	(do_ident): Correct to match cccp.
	(do_pragma): Copy the pragma through here.
	(do_assert, do_unassert): Tidy.
	
	* cppinit.c (cpp_finish): If -dM was specified, walk the macro
	hash table and call dump_definition on all the entries.
	* cppmain.c: cpp_finish may produce output.

Mon Apr 26 15:27:33 1999  Mark Mitchell  <mark@codesourcery.com>

	* toplev.c (compile_file): Move call to check_global_declarations
	after output_exception_table to restore behavior as it was before
	1999-04-22 change.

1999-04-26 10:50 -0700 Bruce Korb <ddsinc09@ix.netcom.com>

	* fixinc/fixincl.c:  Improve the handling of child process exits
	* fixinc/server.[ch]: Export the interface for shutting down
	the server process
	* fixinc/inclhack.tpl: Remove unnecessary character quote
	* fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate

Mon Apr 26 10:41:42 EDT 1999  Andrew MacLeod  <amacleod@cygnus.com>

	* alpha.md (builtin_setjmp_receiver): Use a label_ref instead of 
	a code label.

1999-04-26 09:47 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* rtl.texi: Document the rtl classes and their relation to
	formats.

Mon Apr 26 01:02:38 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.md (fix_trunc patterns): Use reg_no_subreg_operand on op0
	for less work in reload.
	(movsf and movdf patterns): Put fp reg alternatives first.

Mon Apr 26 01:55:56 1999  Marc Espie  <espie@cvs.openbsd.org>

	* configure.in (openbsd): Factorize xmake_file.
	(ix86 openbsd): Trim obsolete comment.
	(vax openbsd): Fix typo.
	* configure: Rebuilt.

Mon Apr 26 01:30:59 1999 Donn Terry <donn@interix.com>

	* expr.c (expand_assignment): Improve test for pointer type.

Mon Apr 26 00:26:18 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (print_operand_address): Account for the subreg word.

Mon Apr 26 01:08:36 1999  Toshiyasu Morita  (tm@netcom.com)

	* fold-const.c (make_range): Always initialize arg0 and arg1.
	(fold): Simlarly for alt0 and alt1.
	* function.c (fixup_var_refs_insns): Initialize insn_list.
	(instantiate_virtual_regs_1): Initialize offset.
	* optabs.c (expand_binop): Initialize carry_in, carry_out, op0_xhigh
	and op1_xhigh.
	* stmt.c (expand_end_case): Initialize minval and maxval.

Mon Apr 26 01:02:34 1999  Nathan Sidwell  <nathan@acm.org>

	* toplev.c (report_error_function): Reorder file stack and
	function name printing.  Ignore FILE parameter.

Mon Apr 26 00:58:54 1999  Jerry Quinn <jquinn@nortelnetworks.com>

	* pa.h (architecture_type): New enum.
	(pa_arch_string, pa_arch): Declare.
	(MASK_PA_10, MASK_PA_20): New flags.
	(TARGET_SWITCHES): Add pa-risc-2-0.  Update docs for PA1.0 codegen.
	(TARGET_OPTIONS): Add -march= option.
	* pa.c (pa_arch, pa_arch_string):  Define.
	(override_options):  Set them.
	* pa/pa-hpux10.h (ASM_FILE_START):  Output LEVEL 2.0 asm directive for
	2.0 architecture. 
	* invoke.texi (Option Summary, HPPA Options):  Document new
	architecture flags.

	* pa/pa-hpux.h, pa/pa-hpux10.h, pa/pa-hpux9.h, pa/pa-osf.h, pa.h,
	pa.c, pa.md, configure.in, configure: Replace TARGET_SNAKE by
	TARGET_PA_11 and MASK_SNAKE by MASK_PA_11.

Mon Apr 26 00:28:25 1999  Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>

 	* flags.h (inline_max_insns): Declare.
 	* integrate.c (inline_max_insns): New variable.
 	(function_cannot_inline_p): Use it.
 	* toplev.c (main): Add the flag -finline-limit-n.
 	(display_help): Document -finline-limit-n.
 	* invoke.texi: Document -finline-limit-n

Sun Apr 25 23:03:32 1999  Richard Henderson  <rth@cygnus.com>

	* stmt.c (expand_asm_operands): Reload in-out reg-only memory operands.

Sun Apr 25 13:06:13 1999  Richard Henderson  <rth@cygnus.com>

	* function.c (assign_parms/STACK_BYTES): Revert last change,
	and that of 19 Nov.

Sun Apr 25 12:30:50 1999  Richard Henderson  <rth@cygnus.com>

	* calls.c (emit_call_1): New arg rounded_stack_size; update callers.
	Update pending_stack_adjust based on this value.
	(compute_argument_block_size): Include pending_stack_adjust in
	PREFERRED_STACK_BOUNDARY alignment.
	* function.c (assign_parms): Don't round to PREFERRED_STACK_BOUNDARY.

Sun Apr 25 14:38:10 EDT 1999  John Wehle  (john@feith.com)

	* stupid.c (stupid_mark_refs): Generate a REG_UNUSED note
	for a register which is clobbered even if the register
	was used by an earlier instruction.

	* i386.md (fix_truncsfdi2, fix_truncdfdi2,
	fix_truncxfdi2): Don't bother with the gen_reg_RTX.
	(fix_truncsfsi2, fix_truncsfdi2, fix_truncdfsi2,
	fix_truncdfdi2, fix_truncxfsi2, fix_truncxfdi2): Update
	operand constraints and modes.
	* i386.c (output_fix_trunc): Use HImode register to avoid
	memory stalls.  Call output_move_double instead of output_to_reg.
	(output_to_reg): Remove.
	* i386.h: Likewise.

	* i386.md (negsf2, negdf2, negxf2): Set the type
	attribute to fpop.

Sat Apr 24 23:15:57 1999  Donn Terry (donn@interix.com)

	* alpha.md (call_value_nt): Correct subscripts.

Sat Apr 24 20:49:20 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (PRINT_OPERAND_ADDRESS): Break out to ...
	* alpha.c (print_operand_address): here.  Handle subregs.

Fri Apr 23 22:35:41 EDT 1999  John Wehle  (john@feith.com)

	* acconfig.h (HAVE_GAS_FILDS_FISTS): Add.
	* configure.in: Check assembler instructions.
	* configure: Rebuild.
	* config.in: Likewise.
	* i386.md (floathisf2, floathidf2, floathixf2): New patterns.
	* i386.c (print_operand): Use the proper suffix for a 387 HImode
	operand.  Abort if a 387 operand has an unsupported size.

Fri Apr 23 16:57:40 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (alpha_write_verstamp): Mark `file' unused.
	* alpha.h (FUNCTION_VALUE): Use gen_rtx_REG not gen_rtx.
	(LIBCALL_VALUE): Likewise.
	(GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Handle normal subregs.

Fri Apr 23 14:57:33 1999  Donn Terry  <donn@interix.com>

	* alpha32.h (INITIALIZE_TRAMPOLINE): Get offsets right.

	* alpha.c (alpha_initialize_trampoline): Add covert_memory_address
	calls as needed.

Fri Apr 23 14:36:47 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (alpha_expand_prologue): Don't negate frame size
	for use with subq.

Fri Apr 23 09:43:18 1999  Nick Clifton  <nickc@cygnus.com>

	* print-rtl.c (print_rtx): Display LABEL_NUSES for labels.

Thu Apr 22 23:08:37 1999  Mark Mitchell  <mark@codesourcery.com>

	* toplev.h (wrapup_global_declarations): Declare.
	(check_global_declarations): Likewise.
	* toplev.c (wrapup_global_declarations): New function, split out
	from ...
	(check_global_declarations): Likewise...
	(compile_file): Here.

Thu Apr 22 22:34:41 1999  Richard Henderson  <rth@cygnus.com>

	* c-parse.in (expr_no_commas): Verify we've an expr before
	calling C_SET_EXP_ORIGINAL_CODE.

Thu Apr 22 22:22:15 EDT 1999  John Wehle  (john@feith.com)

	* toplev.c (rest_of_compilation): Always set
	current_function_uses_only_leaf_regs appropriately.

Thu Apr 22 14:39:43 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* i386/xm-cygwin.h (HAVE_BCOPY): Delete unneeded macro.
	(HAVE_BZERO): Likewise.
	(HAVE_BCMP): Likewise.
	(HAVE_RINDEX): Likewise.
	(HAVE_INDEX): Likewise.
	(DIR_SEPARATOR_2): Define.
	(GET_ENV_PATH_LIST): Turn path lists into POSIX.
	(PATH_SEPARATOR): Use ':'.

1999-04-22 Bruce Korb <ddsinc09@ix.netcom.com>

	* configure.in: enable disabling of fast fixincludes
	* configure: regenerate

1999-04-21 14:55 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* gen-protos.c: #undef abort after including system.h.  
	Delete defns of fancy_abort and	fatal.
	* fix-header.c: Delete defn of fancy_abort.

Wed Apr 21 12:09:38 1999  Mumit Khan  <khan@xraylith.wisc.edu>

	* cccp.c (simplify_filename): Always preserve leading double slash.

Wed Apr 21 18:15:55 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md: Add new peepholes to remove redundant loads.

Wed Apr 21 17:41:29 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (binary patterns): Reorder alternatives
	so that two operand instructions are chosen before three operand
	instructions.

Tue Apr 20 23:38:58 1999  Nathan Sidwell  <nathan@acm.org>

	* objc/Make-lang.in (objc-parse.c): Put BISON parameters in correct
	order.

	* Makefile.in (c-parse.c): Put BISON parameters in correct
	order.

Tue Apr 20 16:38:11 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.md (nt_lda): New pattern. 
	* alpha.c (alpha_expand_prologue): Use it for large frames 
	under windows nt.

Tue Apr 20 17:57:14 1999  Catherine Moore  <clm@cygnus.com>

        * config/arm/arm.md (movhi):  Add check for odd offset.

Tue Apr 20 13:14:58 EDT 1999  John Wehle  (john@feith.com)

	* i386.c (output_move_double): Abort if a non-offsettable
	memory operand is encountered.  Delete unused code.
	(find_addr_reg): Remove.

Mon Apr 19 21:13:02 1999  Craig Burley  <craig@jcb-sc.com>

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

1999-04-19 14:51 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cpplib.c (output_line_command): Drop CONDITIONAL argument.
	We can omit unnecessary line commands if file_change ==
	same_file and pfile->lineno != 0.  All callers changed.
	(cpp_get_token [case '\n']): Don't bump pfile->lineno if
	CPP_OPTIONS (pfile)->no_line_commands is set.
	* cpplib.h: Fix prototype of output_line_command.

1999-04-18 17:46 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cppfiles.c (find_position, read_and_prescan): Use `unsigned
	long' variables consistently to count line and column numbers.

Sun Apr 18 15:50:33 EDT 1999  John Wehle  (john@feith.com)

	* output.h (current_function_is_leaf,
	current_function_uses_only_leaf_regs): Declare.
	* function.c (current_function_is_leaf,
	current_function_uses_only_leaf_regs): Define.
	(init_function_start): Initialize current_function_is_leaf
	and current_function_uses_only_leaf_regs.
	* final.c (leaf_function): Don't define.
	(final_start_function): Replace uses of leaf_function with
	current_function_uses_only_leaf_regs.
	* toplev.c (rest_of_compilation): Set current_function_is_leaf
	prior to invoking local register allocation.
	(rest_of_compilation): Replace uses of leaf_function with
	current_function_uses_only_leaf_regs.
	* dbxout.c (dbxout_symbol, dbxout_parms): Likewise.
	* dwarf2out.c (add_location_or_const_vaule_attribute): Likewise.
	* dwarfout.c (add_location_or_const_value_attribute): Likewise.
	* sdbout.c (sdbout_symbol): Likewise.
	* sparc.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
	* sparc.c (eligible_for_epilogue_delay, output_return,
	sparc_return_peephole_ok): Likewise.
	* sparc.md (leaf_function attribute, untyped_return): Likewise.
	* i386.c (ix86_compute_frame_size): Don't align the stack
	for leaf functions which don't allocate any stack slots.
	* tm.texi: Update documentation.

Sun Apr 18 02:15:09 PDT 1999 Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Sun Apr 18 00:08:45 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Correct last change --
	make sure FP_BASE_P registers are only used with an integer.

Sat Apr 17 22:54:17 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.h (REG_OK_FP_BASE_P): New macro.
	(GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Use it.
	* alpha.md (adddi3+1): New insn to handle large constants off 
	the soft frame pointer.
	(adddi3+2): Don't split soft frame pointer or arg pointer additions.

Sun Apr 18 17:24:10 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (legitimize_operands): Use rtx_cost
	to determine if it is worthwhile forcing a constant into a register.
	* config/c4x/c4x.h (CONST_COSTS): An integer value of 255 or 65535
	used with a logical and or an integer value of 16 or 24 used with
	a right shift has zero cost on the C40.

Sat Apr 17 21:30:11 1999  Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>

	* gcse.c (compute_local_properties): If setp is nonzero, clear
	TRANSP instead of setting it to all ones.

Sat Apr 17 21:10:10 1999  Jan Hubicka <hubicka@freesoft.cz>

        * i386.c (i386_preferred_stack_boundary_string): New global variable.
        (i386_preferred_stack_boundary): New global variable.
        (override_functions): Set it.  Tidy option setting code.
        * i386.h (TARGET_OPTIONS): New command line option.
        (i386_preferred_stack_boundary_string): Declare it.
        (i386_preferred_stack_boundary): Likewise.
        (PREFERRED_STACK_BOUNDARY): Use i386_preferred_stack_boundary.

Sat Apr 17 19:22:38 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.c (k6_cost): Take into account the decoding time.

Sat Apr 17 19:13:22 1999  Donn Terry  <donn@interix.com>

        * i386.h (PRINT_OPERAND_PUNCT_VALID_P): Allow _.
        * i386.c (print_operand): New %_ operator.
	(load_pic_register): Proper number of leading _ in GOT literal.
        * i386.md (prologue_get_pc_and_set_got): Likewise.
        * i386/unix.h (ASM_OUTPUT_MI_THUNK): Likewise.

Sat Apr 17 19:13:07 1999  Richard Henderson  <rth@cygnus.com>

	* alpha.c (alpha_expand_prologue): Use gen_adddi3 instead of 
	emit_move_insn+plus_constant.  For NT, don't use the stack probe
	loop pointer to allocate stack space.
	* alpha.md (adddi3): Always use lda to set the stack pointer.

1999-04-17 20:11 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* c-aux-info.c, emit-rtl.c, explow.c, expmed.c, gcse.c,
	haifa-sched.c, optabs.c, reorg.c, resource.c, sched.c: Include
	toplev.h for real declaration of trim_filename.
	* Makefile.in: Update dependencies.

Sat Apr 17 14:36:19 1999  Craig Burley  <craig@jcb-sc.com>

	* tree.c (chainon): Check for circularity only if
	ENABLE_CHECKING is defined.

1999-04-17 10:15 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cccp.c: Make fatal non-static.

Sat Apr 17 23:47:24 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (*andqi3_255_clobber,*andqi3_65535_clobber):
	New logical and patterns using C40 bit-field insert instructions.
	(*lshrqi3_24_clobber,*ashrqi3_24_clobber,*lshrqi3_16_clobber,
	*ashrqi3_16_clobber): New shift patterns using C40 bit-field insert
	instructions.
	
1999-04-16 22:44 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* system.h: Always prototype abort.  Prototype fatal.  Define
	abort to call fatal, not fprintf/exit.  Define a stub macro
	for trim_filename.
	* toplev.c: Define DIR_SEPARATOR.  (trim_filename): New
	function.
	* toplev.h: Prototype trim_filename, and #undef system.h's stub.

	* gcc.c, genattr.c, genattrtab.c, gencodes.c, genconfig.c,
	genemit.c, genextract.c, genflags.c, genopinit.c, genoutput.c,
	genpeep.c, genrecog.c: Make fatal non-static.
	* gcov.c, gengenrtl.c, protoize.c: #undef abort after
	including system.h.

	* config/i386/dgux.h, config/m68k/xm-amix.h: Remove stale code
	relating to abort.

Sat Apr 17 11:25:44 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (mulqf3_clrqf_clobber, mulqi3_clrqi_clobber): 
	New patterns to support parallel multiply and load of zero.

Fri Apr 16 01:23:47 1999  Jason Merrill  <jason@yorick.cygnus.com>

	* tree.c (valid_machine_attribute): If we're modifying the
	FUNCTION_TYPE within a POINTER_TYPE and we don't get a decl,
	update the POINTER_TYPE.

Fri Apr 16 00:19:31 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.c (x86_adjust_cost): Move break statement to correct place.

Thu Apr 15 23:17:33 1999  Jerry Quinn <jquinn@nortelnetworks.com>

	* pa.h (HAVE_PRE_INCREMENT, HAVE_POST_INCREMENT,
	HAVE_PRE_DECREMENT, HAVE_POST_DECREMENT): Fix pa_cpu value from
	8000 to PROCESSOR_8000.

Thu Apr 15 20:46:57 1999  Donn Terry (donn@interix.com)

	* expr.c (expand_assignment): Force pointers to proper mode if
	POINTERS_EXTEND_UNSIGNED is defined.

	* xm-alpha.h (alloca.h): Add Interix to list of special machines 
	that don't like alloca.h, pending using autoconf results.

	* except.c (start_catch_hadler): Be sure rtime_address is Pmode
	if POINTERS_EXTEND_UNSIGNED.

	* except.c (expand_eh_return): Force pointers to proper mode if
	POINTERS_EXTEND_UNSIGNED.

Thu Apr 15 23:13:35 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.h:  Tweaked comment formatting.
	* config/c4x/c4x.c:  Likewise.

Thu Apr 15 02:45:19 1999  Mumit Khan  <khan@xraylith.wisc.edu>

        * aclocal.m4 (GCC_FUNC_MKDIR_TAKES_ONE_ARG): Define.
        * configure.in: Use.
        * configure: Rebuilt.
        * acconfig.h (MKDIR_TAKES_ONE_ARG): Add.
        * config.in: Rebuilt.
        * system.h: Use.

Thu Apr 15 01:03:21 1999  Jan Hubicka <hubicka@freesoft.cz>
			  Jeff Law <law@cygnus.com>

	* i386.md (QImode add pattern): Support lea instruction.
	(HImode add pattern): Likewise.

	* i386.md (ashlsi patterns): Call output_ashl instead of output_ashlsi3.
	(ashlqi): Use expander, separate LEA and SAL / ADD patterns; call
	output_ashl.
	(ashlhi): Likewise.
	* i386.h (output_ashl): Renamed from output_ashlsi3.
	* i386.c (output_ashl): Likewise; support HImode and QImode operands
	as well.

	* i386.md (notsi, nothi, xorsi, xorhi, and xorqi patterns): Call
	memory_address_displacement_length instead of memory_address_length.
	* i386.c (memory_address_info): Renamed from memory_address_length.
	Accept new argument DISP_LENGTH.  All callers changed.  If DISP_LENGTH,
	then return the displacement length.  Else return length of the
	entire memory address.  Handle MULT case correctly.
	* i386.h (memory_address_info): Update declaration.

	* i386.md (memory_bit_test): Fix paren error.

Wed Apr 14 21:29:18 1999  Andrew Haley  <aph@cygnus.com>

	* flow.c: (make_edges): Always make edges from a basic block
	to its exception handlers, even if the block ends with a jump.

1999-04-14 23:26 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* graph.c (node_data): Return void.  Ignore result of
	print_rtl_single.  Change caller to match.
	* integrate.c (subst_constants): Initialize op0_mode to an 
	invalid mode, and abort before use if it's still invalid.
	(Can only happen if the RTX_CLASS, RTX_FORMAT tables are corrupted.)
	* objc/objc-act.c (get_objc_string_decl,
	build_selector_translation_table, generate_protocol_list,
	synth_id_with_class_suffix, build_keyword_selector,
	build_selector_expr, gen_declarator): Abort when the tree
	structure is corrupted.

Wed Apr 14 19:57:49 1999  Jeffrey A Law  (law@cygnus.com)

	* configure.in (alpha interix): Use symbolic names to set
	target_cpu_default.
	* configure: Rebuilt.

	* explow.c (allocate_dynamic_stack_space): Undo last change.  Use
	convert_memory_address instead.

Wed Apr 14 19:42:02 1999  Donn Terry (donn@interix.com)

	* alpha/lib1funcs.asm: New file.
	* alpha/t-interix (lib1funcs.asm): Add to build.

	* explow.c (allocate_dynamic_stack_space): Correctly convert TARGET
	to Pmode.

Wed Apr 14 14:26:36 1999  John Wehle  (john@feith.com)

	* i386.md (truncxfdf): Output the template supplied
	by output_move_double with the correct operands.

	* i386.md (extendsfdf, extendsfxf, extenddfxf): Use
	output_float_extend instead specifying '#' as the template.
	* i386.c (output_float_extend): Define.
	* i386.h (output_float_extend): Declare.

Wed Apr 14 10:48:03 1999  Catherine Moore  <clm@cygnus.com>
 
	* config/mips/elf.h, config/mips/elf64.h
	(CTORS_SECTION_ASM_OP): Define.
	(DTORS_SECTION_ASM_OP): Define.
	(EXTRA_SECTIONS): Define.
	(INVOKE__main): Define.
	(NAME__MAIN): Define.
	(SYMBOL__MAIN): Define.
	(EXTRA_SECTIONS_FUNCTIONS): Define.
	(SECTION_FUNCTION_TEMPLATE): Define.
	(ASM_OUTPUT_CONSTRUCTOR): Define.
	(ASM_OUTPUT_DESTRUCTOR): Define.
	(CTOR_LIST_BEGIN): Define.
	(CTOR_LIST_END): Define.
	(DTOR_LIST_BEGIN): Define.
	(DTOR_LIST_END): Define.
	(LIB_SPEC): Define.
	(STARTFILE_SPEC): Define.
	(ENDFILE_SPEC): Define.
	* config/mips/linux.h:  Undefine all of the above.
	* config/mips/rtems64.h: Likewise.
	* config/mips/t-r3900: Likewise.
	* config/mips/t-elf: New file.
	* config/mips/vxworks.h: New file.
	* configure.in (mips-wrs-vxworks): Use mips/vxworks.h.
	(mips*-*-*elf*):  Use t-elf instead of t-ecoff.
	* configure: Regenerate.

Wed Apr 14 09:59:38 1999  Richard Henderson  <rth@cygnus.com>

	* reload1.c (emit_reload_insns): Also find equivalent mems
	for subregs of pseudos.

	* alpha.c (aligned_memory_operand): Recognize the output of
	LEGITIMIZE_RELOAD_ADDRESS.  Examine reg_equiv_memory_loc in
	the event of a pseudo.
	(unaligned_memory_operand): Likewise.  Don't otherwise accept
	completely illegal addresses.
	(normal_memory_operand): Likewise.  Handle subregs of pseudos.
	(get_aligned_mem): Revert previous change.  Abort if we don't have a
	mem.  During reload, call find_replacement on all illegal memories.
	(get_unaligned_address): Likewise.
	* alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Use !aligned_memory_operand
	instead of unaligned_memory_operand.
	* alpha.md: Revert extra argument to get_aligned_mem.
	(reload_inqi): Use any_memory_operand in constraints.  Abort if
	we're not given some sort of mem.
	(reload_inhi): Likewise.
	(reload_outqi, reload_outhi): Likewise.

Wed Apr 14 09:39:20 1999  Richard Henderson  <rth@cygnus.com>

	* i386.md (neghi): Use the whole register when widening the op.

1999-04-14 12:37 -0400  Zack Weinberg  <zack@rabi.columbia.edu>

	* cpperror.c, cppexp.c, cpplib.c: Never call abort.
	* cpphash.c: Only call abort when we detect corruption of the
	malloc arena.
	* cppmain.c: Don't define fatal or fancy_abort.

Wed Apr 14 09:19:39 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.c (x86_adjust_cost): Agi stall takes 1 cycle on Pentium, fst
	requires value to be ready one extra cycle.

Wed Apr 14 11:28:34 1999  Dave Brolley  <brolley@cygnus.com>

	* config/i386/i386.c (memory_address_length): Add missing parenthesis.

Wed Apr 14 13:59:27 1999  Martin von Loewis  <loewis@informatik.hu-berlin.de>

	* extend.texi (Deprecated Features): New node.
	* invoke.texi (-Wdeprecated): Document.

Wed Apr 14 00:18:22 1999  Jan Hubicka <hubicka@freesoft.cz>

	* i386.md (SImode logical compare): Avoid outputing non-pariable testw
	and testl on Pentium.
	(register and memory bit tests): Likewise.
	(setcc, normal and reversed conditional branches): Use shorter
	sequence for testing flags stored in EAX.

	* i386.md (xorsi3): Do not output NOT instrctions on Pentium.
	(xorqi3): Likewise.
	(xorhi3): Likewise.
	(notsi2): Likewise.
	(notqi2): Likewise.
	(nothi2): Likewise; do not output prefixed opcodes when possible.

	* i386.md (neghi2): Do not output prefixed opcode when possible.
	(ashlhi3): Likewise.

Wed Apr 14 00:08:46 1999  Richard Henderson  <rth@cygnus.com>

	* i386.c (memory_address_length): New function.
	* i386.h (memory_address_length): Declare it.

Tue Apr 13 22:52:04 1999  Donn Terry (donn@interix.com)
			  Martin Heller (Ing.-Buero_Heller@t-online.de)

	* configure.in (interix Alpha): Add. 
	(winnt Alpha): Use alpha32.h
	(interix i386): Parallel Alpha32.
	* configure: Rebuilt.

	* config/interix.h: Move common elements from i386-interix.h.
	* config/i386/i386-interix.h: Delete same.
	* config/alpha/alpha-interix.h: New file.

	* config/alpha/alpha32.h: New file, part fron win-nt.h.
	* config/alpha/win-nt.h: Deletions (-> alpha32.h).
	* config/alpha/interix.h: New file

	* config/alpha/alpha.md (interix): Comment.

	* config/alpha/xm-alpha-interix.h: New file.

	* config/alpha/t-interix: New file.

	* fixinc/mkfixinc.sh (interix/Alpha): Add.

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 1999  Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Apr 12 14:58:30 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  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 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  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 1999  John Wehle  (john@feith.com)

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

Thu Apr  8 01:26:05 1999  Arg 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  Bruce Korb  <ddsinc09@ix.netcom.com>

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

Wed Apr  7 13:16:22 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  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  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 1999  Jeff Law  (law@cygnus.com)

	* version.c: Bump for snapshot.

Mon Apr  5 05:55:15 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 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 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  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 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_387_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 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 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.