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FSFChangeLog
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Sat Jan 9 08:19:14 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* toplev.c (rest_of_compilation): Set cse_not_expected earlier.
* optabs.c (emit_conditional_move): Undo canonicalization previously
done by get_condition.
* jump.c (jump_optimize): Move simple optimizations in front
of complex ones.
Reset NEXT whenever deleting an insn in case NEXT was deleted.
Disable some conditional move optimizations if have
conditional arithmetic or if CSE not run yet.
Add new optimization to conditionalize code if have conditional
arithmetic.
(can_reverse_comparison_p): Check REVERSIBLE_CC_MODE.
(condjump{,_in_parallel}_p): Simplify.
Thu Jan 7 09:25:51 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* jump.c (delete_computation): Don't trust location of REG_DEAD
note within a basic block.
Sat Dec 26 06:31:43 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* cse.c (cse_insn): Always make SET a nop if dest is hard regster and
src is equivalent.
* flow.c (print_rtl_with_bb): Write insns in epilogue delay list.
* combine.c (simplify_set): Update SET_SRC after force_to_mode call.
If HAVE_conditional_arithmetic, make conditional if comparison
operator is arg of arithmetic.
* genconfig.c (have_cond_arith_flag): New variable.
(walk_insn_part, case IF_THEN_ELSE): Set it.
(main): Define HAVE_conditional_arithmetic if have_cond_arith_flag.
* reorg.c (optimize_skip): Count insns in delay slots for epilogue
as being after a conditional return.
Wed Dec 23 07:30:22 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* mips.md (movdf [mips4]): Remove '=' in constraint when not output.
* toplev.c (fatal_function): New static variable.
(set_fatal_function): New function.
(vfatal): If fatal_function nonzero, call it.
Thu Dec 10 07:21:44 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (move_by_pieces_1): Give inner arg types of function passed
as first operand.
* aclocal.m4 (GCC_HEADER_INTTYPES, GCC_CHECK_STRINGIFY): New macros.
* configure.in: Use them instead of inline text.
(malloc.h): Check for presence.
(free, malloc, calloc, realloc): Include malloc.h to see if need decl.
* system.h (malloc.h): Conditionally include.
(free, malloc, calloc, realloc): Conditionally declare.
* xm-mn10200.h (free, malloc, realloc, calloc): Remove redundant decls.
* xm-mn10300.h, rs6000/xm-sysv4.h, xm-v850.h: Likewise.
* xm-alpha.h: Likewise.
(string.h): Remove reundant #include.
* rtl.h (free): Remove declaration.
* tree.h (free): Likewise.
* gcov.c (fatal): New function.
Wed Dec 9 06:25:12 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* protoize.c: Remove extraneous #endif.
Remove redundant declarations and includes.
(fatal): New function, from gen*.c.
Wed Dec 9 06:16:26 1998 Craig Burley (burley@gnu.ai.mit.edu)
* fold-const.c (multiple_of_p): New function.
(fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
Wed Dec 9 04:42:23 1998 H.J. Lu (hjl@gnu.ai.mit.edu)
* expr.h, real.h: Add more prototypes.
Tue Dec 8 06:04:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* c-typeck.c (c_expand_asm_operands): Fix text of error message
and handle conversion as lvalue.
Mon Dec 7 21:35:31 1998 Paul Eggert <eggert@twinsun.com>
* dwarf2out.c (dyn-string.h): Fix patching error.
* toplev.c (<sys/times.h>): Include if HAVE_SYS_TIMES_H is defined.
Sun Dec 6 01:14:46 1998 Paul Eggert <eggert@twinsun.com>
* collect2.c (mktemp): Remove unused decl.
Sat Dec 5 21:02:13 1998 Paul Eggert <eggert@twinsun.com>
* cccp.c (fwrite): New VMS macro.
(VMS_fwrite): New VMS function.
(strerror): Declare only if NEED_DECLARATION_STRERROR.
(warn_white_space): New var.
(do_warning): Remove.
(directive_table): Use do_error to print warnings.
(eprint_string): Remove. All callers now use fwrite instead.
(check_white_space): New function.
(fatal): Now extern.
(main): Add new option --White-space, implied by -Wall.
If DEPENDENCIES_OUTPUT has the form `FILE TARGET', have TARGET depend
on source file as well as files it includes.
(newline_fix, name_newline_fix): Assume that *BP == '\\',
but don't assume that BP[1] == '\n'; all callers changed.
(rescan): Warn about white space at end of line in string.
Fix bug with counting newlines in strings as result of macro-expanding.
(expand_to_temp_buffer): Do not stomp on the output buffer length;
all callers changed.
(handle_directive): No need to check bp < limit if *bp == '\n'.
Allocate a larger directive buffer; expand newline to
backslash-'n' in string literals.
(timestamp): Don't assume that localtime succeeds.
(finclude): Add call to check_white_space in included file.
(collect_expansion): No need to check for p < limit at backslash.
(do_line): Allow nulls in file name.
(do_error): Also do warnings.
(do_pragma): Handle escapes in strings correctly.
(skip_quoted_string): Don't say ``Unterminated string or character''
if it's known to be a character.
Warn about white space at end of line in string.
(struct argdata): New member expand_size.
Rename member stringified_length to stringified_length_bound.
All uses changed.
(macroexpand): Record expand_size separately from expand_length.
Generate nothing for backslash-newline in a string.
Escape newlines in strings.
(macarg): Have macarg1 count newlines. Escape newlines in strings.
(macarg1): Skip backslash-newline in strings.
(change_newlines): Now takes struct argdata * (not U_CHAR * and int)
returns void, not int. Modify the arg in-place.
(change_newlines, make_definition): In strings, replace
backslash-newline with nothing, and non-backslashed newline
with backslash-'n'.
* cexp.y (fatal): New decl (exported by cccp.c).
(yylex): Allow multiple-char constants like 'abcde' that are longer
than long; draft C9x requires this. Don't treat (char)-1 like EOF.
(parse_escape): Return -2 if backslash-newline is seen.
Parse backslash-newline in numeric escapes.
Parse \x using unsigned, not signed, for proper overflow detection.
Fri Dec 4 16:24:36 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* Defer some __builtin_constant_p elaborations until after cse;
original idea from rth@cygnus.com
* rtl.def (CONSTANT_P_RTX): New RTL code.
* expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
consider constant CONSTRUCTOR constant and to defer some cases to cse.
* cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
* regclass.c (reg_scan_mark_refs, case CONST): Likewise.
Tue Dec 1 09:35:45 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* Makefile.in (C_AND_OBJC_OBJS): Add mbchar.o.
(c-lex.o, cexp.o, cccp.o): Depend on mbchar.h.
(mbchar.o): New rule.
(CCCP_OBJS, CPPMAIN_OBJS): Include mbchar.o.
* po/POTFILES.in (mbchar.[ch]): Add.
Tue Dec 1 09:32:27 1998 Dave Brolley <brolley@cygnus.com>
* mbchar.[ch]: New files for multibyte character handling.
* configure.in (enable_c_mbchar): New configure option.
* cexp.y (mbchar.h): #include it.
(yylex): Handle Multibyte characters in character literals.
* cccp.c (mbchar.h): #include it.
(main): Set character set based on LANG environment variable.
(rescan): Handle multibyte characters in comments.
(skip_if_group, validate_else, skip_to_end_of_comment): Likewise.
(macarg1, discard_comments): Likewise.
(rescan): Handle multibyte characters in string and character literals.
(collect_expansion, skip_quoted_string, macroexpand): Likewise.
(macarg1, discard_comments, change_newlines): Likewise.
* c-lex.c (mbchar.h): #include it.
(GET_ENVIRONMENT): New macro.
(init_lex): Set character set based on LANG environment variable.
(yylex): Handle multibyte characters in character and string literals.
Mon Nov 30 08:25:35 1998 Mark Mitchell <mark@markmitchell.com>
* dyn-string.h: New file.
* dyn-string.c: Likewise.
* Makefile.in (OBJS): Add dyn-string.o.
(dwarf2out.o): Add dyn-string.h dependency.
(dyn-string.o): New rule.
* dwarf2out.c (dyn-string.h): Include.
(ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
(addr_const_to_string): Take a dyn_string_t, not a char * as a
prototype. Use dyn_string_append rather than strcat, throughout.
(addr_to_string): Use dyn_string_t.
Mon Nov 30 06:57:49 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* po/POTFILES.in (dyn-string.[ch]): New files.
* sched.c (swap_sort): Fix typo in last change.
Sun Nov 29 21:02:34 1998 Paul Eggert <eggert@twinsun.com>
* po/POTFILES.in: Add gengenrtl.c, system.h.
Sun Nov 29 16:36:59 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expmed.c (emit_store_flag): Don't try to negate STORE_FLAG_VALUE.
* configure.in: Remove inadvertently added duplicate tests.
* reload1.c (emit_reload_insns): Fix typos in preserve death note code.
* Makefile.in (c-lex.o): Depends on $(RTL_H).
* genattr.c (fatal): No longer static.
* genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
* genextract.c, genflags.c, gengenrtl.c, genopinit.c: Likewise.
* genoutput.c, genpeep.c, genrecog.c: Likewise.
* 1750a.c: Use gen_rtx_FOO and GEN_INT, not gen_rtx; include system.h.
* a29k.c, alpha.c, arc.c, arm.c, clipper.c, convex.c: Likewise.
* dsp16xx.c, fx80.c, gmicro.c, h8300.c, i386.c, i860.c: Likewise.
* i960.c, m32r.c, m68k.c, m88k.c, mips.c, mn10200.c: Likewise.
* mn10300.c, ns32k.c, pa.c, pdp11.c, pyr.c, romp.c: Likewise.
* rs6000.c, sh.c, sparc.c, spur.c, tahoe.c, v850.c: Likewise.
* vax.c, we32k.c: Likewise.
* elxsi.c, i370.c: Include system.h
* gofast.h: Use gen_rtx_FOO and GEN_INT instead of gen_rtx.
* 1750a.{md,h}, a29k{md,h}, alpha.{md,h}, alpha/vms.h: Likewise.
* arc.{md,h}, arm.{md,h}, clipper.{md,h}, convex.{md,h}: Likewise.
* dsp16xx.{md,h}, elxsi.h, fx80.{md,h}, gmicro.{md,h}: Likewise.
* h8300.h, i370.{md,h}, i386.{md,h}, i386/cygwin32.h: Likewise.
* i386/osfrose.h, i386/win-nt.h, i860.{md,h}, i960.{md,h}: Likewise.
* m32r.{md,h}, m68k.{md,h}, m68k/a-ux.h, m68k/crds.h: Likewise.
* m68k/isi.h, m68k/linux.h, m68k/lynx.h, m68k/m68kemb.h: Likewise.
* m68k/m68kv4.h, m68k/mot3300.h, m68k/news.h, m68k/sun3.h: Likewise.
* m88k.{md,h}, mips.{md,h}, mips/abi64.h, mn10200.{md,h}: Likewise.
* mn10300.{md,h}, ns32k.{md,h}, pa.{md,h}, pyr.{md,h}: Likewise.
* romp.{md,h}, rs6000.{md,h}, sh.{md,h}, sparc.{md.h}: Likewise.
* spur{md,h}, tahoe.{md,h}, v850.{md,h}, vax.{md,h}: Likewise.
* we32k.{md,h}: Likewise.
Sat Nov 28 19:32:33 1998 Jeffrey A Law (law@cygnus.com)
* rtl.def (INLINE_HEADER): Fix type error found by gen_rtx_FOO changes.
* configure.in: If host != build, run autoconf to generate auto
build.h for the build machine and include it in build_xm_files.
Sat Nov 28 19:20:06 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* bc-emit.c, caller-save.c, calls.c, combine.c: Call gen_rtx_FOO.
* cse.c, dwarf2out.c, emit-rtl.c, except.c, explow.c: Likewise.
* expmed.c expr.c, final.c, function.c, genpeep.c, halfpic.c: Likewise.
* integrate.c, jump.c, local-alloc.c, loop.c, optabs.c: Likewise.
* profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
* reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
* unroll.c, varasm.c: Likewise.
* Makefile.in (*.o): Depend on system.h.
* system.h (ANSI_PROTOTYPES): Add definition.
* *.c, c-parse.in, cexp.y: Include system.h and delete any
non-redundant includes, macro definitions, or declarations.
* gen*.c, bc-emit.c, calls.c, cccp.c, combine.c, emit-rtl.c:
Use ANSI_PROTOTYPES, not __STDC__ to select varargs vs. stdargs.
* gcc.c, mips-tfile.c, prefix.c, toplev.c, tree.c: Likewise.
* gen*.c (fatal): Fix error in varargs case.
* genattrtab.c (fatal): Make same as other gen programs.
* genattrtab.c: Write #include for system.h in output.
* genemit.c, genextract.c, genoutput.c, genpeep.c: Likewise.
* genrecog.c: Likewise.
Sat Nov 28 06:01:525 1998 John F. Carr <jfc@mit.edu>
* emit-rtl.c (const_int_rtx): Now array of rtx_def, not rtx.
Sat Nov 28 05:53:45 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* rtl.h (obstack_alloc_rtx): New declaration.
* rtl.c (rtx_alloc): Try to clear as integer or HOST_WIDE_INT indirect.
(obstack_alloc_rtx): New function.
Sat Nov 28 05:46:41 1998 Richard Henderson <rth@cygnus.com>
* gengenrtl.c: New file.
* Makefile.in (OBJS): Add genrtl.c.
(GEN): Add gengenrtl.
(STAGESTUFF): Add s-genrtl and gengenrtl$(exeext);
(RTL_BASE_H): New, from RTL_H.
(RTL_H): Contains RTL_BASE_H and genrtl.h
(genrtl.o, genrtl.c, s-genrtl, gengenrtl): New rules.
* emit-rtl.c (gen_rtx_{CONST_INT,REG,MEM}): New functions.
(gen_rtx): Call them.
* genemit.c (gen_exp, gen_insn): Call gen_rtx_FOO for constant FOO.
* rtl.h (genrtl.h): Include ifndef NO_GENRTL_H.
(gen_rtx_{CONST_INT,REG,MEM}): New declarations.
(GEN_INT): Call gen_rtx_CONST_INT.
Fri Nov 27 20:16:12 1998 Michael Meissner <meissner@cygnus.com>
* configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
Fri Nov 27 20:13:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* system.h: New file.
* configure.in (AC_CHECK_FUNCS): Remove check for vprintf.
Add check for isascii and strsignal.
Collapse multiple calls.
(GCC_NEED_DECLARATIONS): Likewise, from GCC_NEED_DECLARATION.
Check for bcopy, bcmp, bzero, strerror, atof, getcwd,
strsignal and getwd.
Add checks for getrlimit and setrlimit; search in sys/resource.h.
(GCC_FUNC_PRINTF_PTR, GCC_C_VOLATILE, GCC_FUNC_VFPRINTF_DOPRNT): Call.
(GCC_HEADER_STRING, AC_FUNC_VFORK, AC_HEADER_SYS_WAIT): Likewise.
* acconfig.h (NEED_DECLARATION_{STRERROR,GETCWD,GETWD,BZERO}: Add.
(NEED_DECLARATION_{{G,S}ETRLIMIT,STRSIGNAL,BCOPY,BCMP}): Likewise.
(STRING_WITH_STRINGS, HAVE_VOLATILE, HOST_PTR_PRINTF): Likewise.
* aclocal.m4 (GCC_NEED_DECLARATION): Accept optional second arg.
Test STRING_WITH_STRINGS when deciding which headers to search for
function declarations.
(GCC_NEED_DECLARATIONS, GCC_HEADER_STRING): New autoconf test.
(GCC_FUNC_{VFPRINTF_DOPRNT,PRINTF_PTR}, GCC_C_VOLATILE): Likewise.
Fri Nov 27 20:10:42 1998 Richard Henderson <rth@cygnus.com>
* configure.in: Add cpp stringify test.
(AC_CHECK_FUNCS): Check for sbrk.
* acconfig.h (HAVE_CPP_STRINGIFY): New tag.
Fri Nov 27 20:09:27 1998 Manfred Hollstein <manfred@s-direktnet.de>
* configure.in (AC_CHECK_FUNCS): Check for getrlimit and setrlimit.
Fri Nov 27 19:48:27 1998 Jeffrey A Law <law@cygnus.com>
* configure.in (AC_CHECK_FUNCS): Add gettimeofday, atoq, atoll,
strerror, stroul, abort and bsearch.
* acconfig.h (NEED_DECLARATION_{ATOL,ABORT}): New tags.
Fri Nov 27 19:46:09 1998 Jim Wilson <wilson@cygnus.com>
* acconfig.h (HAVE_INTTYPES_H): New tag.
* configure.in (inttypes.h): Check for conflicts between sys/types.h
and inttypes.h and verify that intmax_t is defined.
Fri Nov 27 08:07:53 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* alpha.c (sext_add_operand): Use reg_not_elim_operand.
(reg_not_elim_or_8bit_operand): New function.
* alpha.h (PREDICATE_CODE): Add new entry and alphabetize.
* alpha.md (mult patterns): Ensure eliminable reg not any input.
* Makefile.in (STAGESTUFF): Remove s-ver.
(s-ver): Remove rule and revert back to version.c as target.
Fri Nov 27 02:39:36 1998 Paul Eggert <eggert@twinsun.com>
* cccp.c (main): Make `-I -' equivalent to `-I-'.
Fri Nov 27 02:39:36 1998 Sam Kendall <kendall@init.com>
* cccp.c (main): Avoid `++i' and `i' in same expression.
Thu Nov 26 19:42:02 1998 Stephen L Moshier <moshier@mediaone.net>
* real.c (ereal_atof): New function for hexadecimal floating constants.
* real.h (REAL_VALUE_HTOF): New macro for hex float conversion.
* c-lex.c (yylex): Use it and check syntax of hex floats.
* fold-const.c (real_hex_to_f): New function reads hex float
if no REAL_ARITHMETIC.
Thu Nov 26 18:51:51 1998 Richard Henderson <rth@cygnus.com>
* alpha.c (reg_not_elim_operand): New function.
* alpha.h (PREDICATE_CODES): Add it.
* alpha.md: Remove reload-only patterns for (plus (plus (mult ...))).
(s[48]{add,sub}q): Use new function as predicate for multiplicand.
Thu Nov 26 09:13:35 1998 Hans Cappelle <cappelle@imec.be>
* reorg.c (fill_simple_delay_slots): Fix typo in sets_cc0_p call.
Thu Nov 26 06:15:46 1998 Paul Edwards <avon@matra.com.au>
* genattr.c (fatal): Use vprintf if available.
* genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
* genextract.c, genflags.c, genopinit.c, genoutput.c: Likewise.
* genpeep.c: Likewise.
Wed Nov 25 08:02:23 1998 Ken Raeburn <raeburn@cygnus.com>
* Makefile.in (version.c): Truncate tmp-version.c when writing to
it, instead of appending. Use timestamp file s-ver to prevent
repeated rebuilding of file with unchanged contents.
(STAGESTUFF): Add s-ver.
Wed Nov 25 07:53:24 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.h (form_sum): Add new parm, DIFF_P.
* reload.c (form_sum): Likewise.
(subst_indexed_address): Call it with new parm.
* reload1.c (eliminate_regs, case MINUS): Make common with PLUS.
(eliminate_regs_in_insn): Re-recognize if was MINUS.
* alpha.md: Add patterns for (plus (minus (mult ..) ...) ...).
* libgcc2.c (__bb_init_prg): Avoid use of bzero.
* combine.c (make_extraction): Make extraction even if may
span if INNER is not MEM.
Wed Nov 25 07:30:28 1998 David Addison <addy@quadrics.com>
* sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Respect TARGET_FLAT.
Mon Nov 23 07:00:57 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (purge_addressof_1): If validate_change fails, try
validate_replace_rtx.
* expr.c (expand_expr, case ADDR_EXPR): Non-constant can be ADDRESSOF.
* expr.c (store_constructor_{,field}): New parameter ALIGN and
use it when making recursive calls and clearing memory.
(expand_expr, case CONSTRUCTOR): Call with new parameter.
* mips/abi64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove ABI_EABI test.
* mips.c (function_arg_pass_by_reference): Return 1 if would
otherwise pass both in registers and on stack.
Fri Nov 13 06:56:24 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* alpha/vms.h (struct avms_arg_info): Use int for num_args.
Mon Nov 2 07:35:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* sched.c ({true,anti,output}_dependence): Volatile conflicts with
anything where MEM_IN_STRUCT_P doesn't match.
Fri Oct 30 14:05:32 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (struct move_by_pieces): New fields {to,from}_readonly.
(move_by_pieces): Initialize them.
(move_by_pieces_1): Use them.
Sun Oct 25 06:12:33 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* optabs.c (emit_no_conflict_block): Allow insn of just USE or SET.
* explow.c (allocate_dynamic_stack_space): If operand 1 has VOIDmode,
use Pmode.
* configure.in (AC_CHECK_HEADERS): Fix typo with sys/stat.h.
* Makefile.in (config.status): Use $(srcdir) for configure.
* sparc.md (*sethi_di_medium_pic): Add CLOBBER of register 1.
* x-alpha (CLIB): Add -lexc.
* i386/mingw32.h (OUTPUT_QUOTED_STRING): Don't use Cygwin format
for drive letter.
* cccp.c (handle_directive): Complete support for #undef when -dM.
* configure.in (alpha*-*-vxworks*): Set MASK_SUPPORT_ARCH from host.
* m68k.md (adddi3, subdi3, anddi3, iordi3, xordi3): Use split_double.
Sat Oct 24 13:41:06 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* local-alloc.c (alloc_qty_for_scratch, requires_inout): Allow
matching up to operand number 9.
* recog.c (constrain_operands): Likewise.
* reg-stack.c (constrain_asm_operands): Likewise.
* regclass.c (record_reg_classes): Likewise.
* regmove.c (find_matches): Likewise.
* reload.c (find_reloads): Likewise.
* reload1.c (reload_cse_simplify_operands): Likewise.
Sat Oct 24 09:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
* regclass.c (record_reg_classes): Skip modifiers when looking
for constraint that just matches a previous operand.
Initialize classes[i] before handling matching operand.
Fri Oct 23 07:05:52 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* fold-const.c (fold_range_test, fold): Use global_bindings_p,
not checking current_function_decl, to see if in function.
Mon Oct 12 06:21:08 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (gen_mem_addressof): Copy REG_USERVAR_P to new reg.
Sun Oct 11 14:40:24 1998 Ken Raeburn <raeburn@cygnus.com>
* calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
when emitting chkr_set_right_libfunc call.
Mon Oct 5 18:28:33 1998 Hans-Peter Nilsson <hp@axis.se>
* Makefile.in (version.c): Apply basename when using VERSION_DEP.
Mon Oct 5 18:08:31 1998 Ken Raeburn <raeburn@cygnus.com>
* rs6000.c (rs6000_stack_info): Remove extra paren.
(print_operand): Cast -1 to HOST_WIDE_INT before shifting it.
* optabs.c (init_optabs): Create Checker symbols in Pmode.
Mon Oct 5 06:23:27 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (purge_addressof_1): Add new parm IN_DEST.
If have different modes and IN_DEST, try making STRICT_LOW_PART.
* regmove.c (regmove_profitable_p): Put obfree at right place.
Sun Oct 4 08:37:36 1998 Paul Edwards <avon@matra.com.au>
* configure.in (AC_CHECK_HEADERS): Add sys/types.h and sys/stat.h.
* gcc.c (sys/types.h, sys/stat.h): Only include if exist.
* cccp.c, toplev.c: Likewise.
Sun Oct 4 07:11:34 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.eu>
* calls.c (expand_call): Don't call emit_group_store if target
is the same as VALREG.
* loop.c (strength_reduce): Track maybe_multiple on giv scan.
(find_mem_givs, record_giv): New argument maybe_multiple.
* reorg.c (fill_{simple,eager}_delay_slots): If insn no longer needs
delay slots, just skip instead of aborting.
Sat Oct 3 08:04:28 1998 Ken Raeburn <raeburn@cygnus.com>
* tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macro.
(struct tree_decl): New field no_check_memory_usage.
* c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
(init_attributes): Register it as a new attribute.
(decl_attributes): Set flags on functions given that attribute.
* c-decl.c (duplicate_decls): Merge new attribute.
* expr.h (current_function_check_memory_usage): Declare.
* calls.c, expr.c, function.c, stmt.c: Replace uses of
flag_check_memory_usage with current_function_check_memory_usage.
* alpha.c, clipper.c, m88k.c, pa.c, sparc.c: Likewise.
* function.h (struct function): New field check_memory_usage.
* function.c (current_function_check_memory_usage): Define it.
(push_function_context_to, pop_function_context_from): Save and
restore it.
(expand_function_start): Set it, based on global flag and function
attribute.
* expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
check non-automatic variables.
Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
* emit-rtl.c (gen_lowpart_common): Disable optimization of
initialized float-int union if the value is a NaN.
Sat Oct 3 06:58:53 1998 David Edelsohn <edelsohn@mhpcc.edu>
* rs6000.h (ASM_OUTPUT_ADDR_DIFF_ELT): Remove extraneous parameter.
Sat Oct 3 06:53:43 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* regmove.c (regmove_profitable_p): Free allocated mem if we return 1.
* rs6000.h (CPP_PREDEFINES): Add -D_LONG_LONG.
Fri Oct 2 11:02:41 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
* Makefile.in (stmp-fixinc, stmp-fixproto, install-multilib):
Fix directory permissions.
* objc/Makefile.in (copy-headers): Likewise.
Fri Oct 2 10:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
* expr.c (expand_expr, case CONSTRUCTOR): Change ">" to ">="
making MOVE_RATIO use consistent.
Fri Oct 2 08:22:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* h8300.c (get_shift_alg): Fix typo in asm string; "n" should be "\n".
Wed Sep 30 15:53:17 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
* rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
Wed Sep 30 14:27:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* function.c (assign_parms): Undo change of June 9.
Wed Sep 30 14:21:39 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* c-typeck.c (c_expand_asm_operands): Give error if non-lvalue for
output operand.
* libgcc2.c (__bb_init_prg): Properly zero bb_hashbuckets.
Wed Sep 30 11:31:23 1998 Walter Gadeyne <gadeynew@sebb.bel.alcatel.be>
* combine.c (num_sign_bit_copies, case UDIV): Return 1.
Wed Sep 30 10:44:15 1998 Tristan Gingold <gingold@gavroche.enst.fr>
* c-decl.c (finish_decl): Set the assembler name to the current
decl if it was specified.
(finish_function): Use assembler name for constructor and
destructor name.
(duplicate_decls): Copy the assembler name.
Wed Sep 30 10:42:49 1998 Jim Wilson <wilson@cygnus.com>
* regmove.c (struct match): Change char to int.
Tue Sep 29 09:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* regmove.c (regmove_profitable_p): For shift, use 1 as third arg.
* function.c (find_fixup_replacement): Consider equivalent if
rtx_equal_p, not just same rtx.
* reload.h (last_output_reload_regno): New declaration.
* reload.c (find_reloads): No longer make it static and get last value.
* reload1.c (last_output_reload_regno): New definition.
(reload): Initialize it before each scan.
(reload_as_needed): Likewise, and also when insn has no reloads.
* combine.c (simplify_comparison, case AND): Properly check for
SUBREG of a low part and exclude paradoxcal SUBREG, not low part,
for non-WORD_REGISTER_OPERATIONS machines.
* expr.c (get_inner_reference): Fix typo in last change.
Mon Sep 27 21:34:00 1998 Paul Eggert <eggert@twinsun.com>
* po/en_UK.po (Project-Id-Version): Set to cc 2.8.1.19980813 for now.
(PO-Revision-Date): Set to the current date.
Sun Sep 27 07:33:18 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* m68k/vxm68k.h (LINK_SPEC): Always use -r.
(WIDEST_HARDWARE_FP_SIZE): Define.
* reload.c (push_reload): If in STRICT_LOW_PART, always reload
inside even if SUBREG_WORD is not zero.
* flow.c (print_rtl_with_bb): Don't say not in basic block if we
aren't making basic blocks.8
Sat Sep 26 10:57:09 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (optimize_bit_field): Don't remove SUBREG from dest
if SUBREG_REG is multi-word.
Wed Sep 23 05:43:23 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads_address): Deal with address which is
an AND; clean up return values some more.
Fri Sep 11 13:02:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* function.c (purge_addressof_1): Properly copy flags when making MEM.
Mon Sep 7 18:33:06 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (get_inner_reference): If not COMPONENT_REF or BITFIELD_REF
and mode is BLKmode, set size_tree.
* expr.c (expand_builtin, case BUILT_IN_LONGJMP): Fix typo in
last change.
Wed Sep 2 15:38:01 1998 Paul Eggert <eggert@twinsun.com>
* libgcc2.c (__floatdisf): Use signed comparison to test
whether u is close to zero; unsigned comparison is not what's
wanted here.
Mon Aug 17 02:19:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
* xcoffout.c (UNKNOWN_STAB): Fix typo in previous change; missing
backslash before newline.
Mon Aug 17 00:12:42 1998 Paul Eggert <eggert@twinsun.com>
* reorg.c (check_annul_list_true_false): Fix typo in Jul 17 change.
Sun Aug 2 01:10:15 1998 Paul Eggert <eggert@twinsun.com>
Add Native Language Support.
* intl/*, mkinstalldirs, po/*, exgettext, intl.c, intl.h: New files.
* Makefile.in (AWK, datadir, localedir, top_builddir): New variables.
(USE_NLS, INTLLIBS, POSUB, INTL_SUBDIRS, HOST_INTLLIBS): Likewise.
(PREPEND_DOTDOT_TO_RELATIVE_PATHS, SUBDIR_FLAGS_TO_PASS): Likewise.
(GCC_OBJS, COLLECT2_OBJS, CCCP_OBJS, CPPMAIN_OBJS): Likewise.
(PROTO_OBJS, GCOV_OBJS, INTL_DISTCLEAN, GEN_PROTOS_OBJS): Likewise.
(LIBDEPS, LIBS): Add $(INTLLIBS).
(HOST_LIBDEPS, HOST_LIBS): Add $(HOST_INTLLIBS).
(LIBS): Add @LIBS@.
(ORDINARY_FLAGS_TO_PASS): New var, containing all the old values
from FLAGS_TO_PASS, except for CC.
(FLAGS_TO_PASS): Pass datadir, distdir, localedir.
(OBJS): Add intl.o.
(GEN): Add gencheck.
(STAGESTUFF): Add tree-check.h, gencheck$(exeext).
(native): Depend on intl.all.
(xgcc, collect2, cccp, cppmain, {,un}protoize, gcov): Link intl.o.
(c-typeck.o, c-lex.o, collect2.o, gcc.o, toplev.o): Depend on intl.h.
(integrate.o, final.o, cccp.o, cppmain.o, cpplib.o): Likewise.
(cpperror.o, s-proto, gcov.o): Likewise.
(gencheck): Depend on $(HOST_LIBDEPS) instead of tree.h and tree.def.
(gencheck.o, intl.o, $(top_builddir)/intl/libintl.a): New rules.
($(srcdir)/cp/parse.c, intl.all, intl.install): Likewise.
(intl.uninstall, intl.distdir, intl.mostlyclean, intl.clean): Likewise.
(intl.distclean, intl.maintainer-clean, intl.distdir-fixup): Likewise.
(distdir-check): Likewise.
(gen-protos): Link cpperror.o, cppexp.o, cpphash.o, cpplib.o,
prefix.o, version.o; needed for `cpp_notice'.
(mostlyclean): Depend on intl.mostlyclean.
(clean): Depend on intl.clean.
(distclean): Depend on intl.disclean, unless the invoker defines
INTL_DISTCLEAN to be empty. Remove intl/libintl.h and libintl.h.
(maintainer-clean): Make intl.maintainer-clean, but define
INTL_DISTCLEAN to be empty.
(install-normal): Depend on intl.install.
(uninstall): Depend on intl.uninstall.
(distdir-start): Make sure invoker configured with --enable-nls.
Use $(AWK), not awk. Make tmp/intl and tmp/po directories.
(distdir-finish): Make distdir-check at the end.
(distdir): Depend on intl.distdir, intl.distdir-fixup.
(compare, compare3, gnucompare, gnucompare3): Handle intl subdirectory.
(stage1-start, stage2-start, stage3-start, stage4-start): Likewise.
* acconfig.h (ENABLE_NLS, HAVE_CATGETS, HAVE_GETTEXT): New macros.
(HAVE_LC_MESSAGES, HAVE_STPCPY, PACKAGE, VERSION): Likewise.
* aclocal.m4 (AC_ISC_POSIX, AM_WITH_NLS): New functions.
(AM_GNU_GETTEXT, AM_LC_MESSAGES, AM_PATH_PROG_WITH_TEST): Likewise.
* bi-arity.c, bi-opcode.c, bi-opname.c: Include config file first.
* c-common.c: Don't include <ctype.h>.
(tfaff): Now a function, not a string. All users changed.
(check_format_info): Use is_C_digit, not isdigit.
Reword messages to ease localization.
* c-decl.c (redeclaration_error_message): Now returns int, not message.
(poplevel, duplicate_decls, pushdecl): Revamp to pass explicit
strings to diagnostic generators.
(duplicate_decls, parmlist_tags_warning, finish_struct): Reword
messages to ease localization.
* c-iterate.c (prdecl): Reword messages so that they do not require
localization.
* c-lex.c: Include limits.h if available.
Include intl.h.
Include ctype.h only if MAP_CHARACTER is defined.
(UCHAR_MAX): Define if limits.h doesn't.
(C_alnum_array): New var.
(init_lex): Initialize it.
(yyerror): Localize msgid arg.
(yylex): Use is_C_alnum and is_C_digit, not isalnum and isdigit.
* c-lex.h (C_alnum_array): New decl.
(is_C_alnum, is_C_digit): New macros.
* c-typeck.c: Include intl.h.
(warning_init): Now takes just one arg.
(incomplete_type_error): Reword messages to ease localization.
(build_unary_op, lvalue_or_else, readonly_warning): Likewise.
(build_modify_expr): Likewise.
(build_unary_op, readonly_warning): Revamp to pass explicit
strings to diagnostic generators.
(build_modify_expr, warn_for_assignment, c_expand_return):
Translate strings passed to functions expecting translated
strings.
(get_spelling): Remove; it was a no-op. All callers changed.
(error_init, pedwarn_init): Now takes one arg. All callers changed.
* c-tree.h (error_init, pedwarn_init): Likewise.
* cccp.c: Include intl.h.
(char_name): Remove.
(check_macro_name): 2nd arg now int, not char *. All callers changed.
(macarg): Now returns int, not char *. All callers changed.
(notice, vnotice, pedwarn_strange_white_space): New functions.
(verror): Now extern; used by cexp.y.
(main): Set message locale, and defer memory allocation until after.
(main, do_include, print_containing_files): Invoke `notice' to
localize notices.
(handle_directive): Invoke pedwarn_strange_white_space instead of
using char_name.
(do_include, check_macro_name): Reword messages to ease localization.
(my_strerror): Likewise.
(verror, vwarning): Invoke vnotice to localize msgid.
(verror_with_line, vwarning_with_line): Likewise.
(pedwarn_with_file_and_line, fatal): Likewise.
(initialize_char_syntax): No need to initialize char_name.
* cexp.y (yyerror): Now takes msgid format and args, not just string.
(verror): New decl.
(parse_number, yylex): Reword messages to ease localization.
(verror): New test function.
(pedwarn, warning): Translate msgid arg.
* collect2.c: Include intl.h.
(my_strerror): Reword messages so they do not require localization.
(main, collect_execute, scan_prog_file, scan_libraries): Likewise.
(read_file, end_file): Likewise.
(notice): New function.
(fatal, error, main): Use it to translate msgid strings.
(collect_execute, maybe_unlink, write_c_file_stat): Likewise.
(locatelib, scan_libraries, scan_prog_file, add_func_table): Likewise.
(main): Set message locale, and defer memory allocation until after.
(collect_wait): Reword messages to ease localization.
(bad_header): Revamp to pass explicit strings to diagnostic generators.
* combine.c (dump_combine_stats, dump_combine_total_stats):
Use fnotice to translate diagnostic messages.
* cppalloc.c (memory_full): Use `cpp_notice' to print diagnostic.
* cpperror.c: Include intl.h.
(cpp_print_containing_files): Use cpp_notice to translate messages.
(cpp_message): is_error is -1 for notices. Translate "warning:".
(cpp_fatal): Translate msgid arg.
* cppexp.c (cpp_lex): Pass explicit strings to diagnostic generators.
(cpp_parse_expr): Use cpp_error, not fprintf, to report
unimplemented operators.
* cpplib.c: Include intl.h.
(check_macro_name): 2nd arg now int, not char *. All callers changed.
(check_macro_name, do_define): Reword messages to ease localization.
(do_define): Pass explicit strings to diagnostic generators.
(do_define, cpp_start_read, cpp_handle_options): Use cpp_notice to
translate messages.
(cpp_error, cpp_warning, cpp_warning_with_line): Translate msgid arg.
(cpp_pedwarn_with_file_and_line): Likewise.
(cpp_notice): New function.
(my_strerror): Reword message so it does not require localization.
* cpplib.h (cpp_notice): New decl.
* cppmain.c: Include intl.h.
(main): Set message locale.
* cse.c (cse_main): Use fnotice to print diagnostic.
* final.c: Include intl.h; do not include ctype.h.
(output_operand_lossage): Translate msgid arg.
* fold-const.c (optimize_bit_field_compare, fold_truthop): Reword
messages to ease localization.
* gcc.c: Include intl.h.
(my_strerror, snapshot_warning): Reword messages so they do not
require localization.
(init_spec, set_spec): Invoke `notice' to localize notices.
(read_specs, execute, do_spec_1, main, snapshot_warning): Likewise.
(struct switchstr): Don't use `valid' as identifier.
(do_spec_1): Treat %e string as msgid format, which needs
translation.
(main): Set message locale.
(pfatal_with_name): Invoke perror_with_name, not fatal.
(perror_with_name): Invoke printf, not error.
(pfatal_pexecute): Invoke pfatal_with_name, not fatal.
(fatal, error): Translate msgid arg.
(notice): New function.
* gcov.c: Include intl.h; include stdarg.h if __STDC__ is defined.
(main): Set message locale.
(fnotice): New function.
(xmalloc, fancy_abort, print_usage): Use it to to print diagnostics.
(open_files, read_files, function_summary, output_data): Likewise.
* integrate.c: Include intl.h.
(function_cannot_inline_p): Mark msgids with N_.
* pexecute.c: Include libintl.h if ENABLE_NLS, otherwise define
gettext to be a noop.
(_, N_): New macros.
(install_error_msg): Wrap inside N_.
(pexecute): Translate diagnostics.
* protoize.c: Include intl.h.
(__attribute__): New macro.
(notice): New function.
(my_strerror): Reword message so it does not require localization.
(xmalloc, xrealloc, fancy_abort): Use `notice' to print diagnostic.
(safe_write, usage, file_normally_convertible, abspath): Likewise.
(find_file, aux_info_corrupted, save_def_or_dec): Likewise.
(gen_aux_info_file, process_aux_info_file, rename_c_file): Likewise.
(find_extern_def, find_static_definition): Likewise.
(declare_source_confusing, edit_fn_declaration): Likewise.
(edit_formals_lists, add_local_decl, add_global_decls): Likewise.
(edit_fn_definition, scan_for_missed_items, edit_file, main): Likewise.
(main): Set message locale.
* real.c (NMSGS, ermsg): Remove.
(mtherr): Pass explicit strings to diagnostic generators.
Abort on invalid operations.
* regclass.c (fix_register): Reword messages to ease localization.
* toplev.c: Include intl.h; do not include ctype.h.
(v_really_sorry, really_sorry): Remove unused functions.
(count_error, fatal_io_error): Translate strings.
(default_print_error_function): Reword messages to ease localization.
Use `notice' to translate diagnostics.
(report_error_function, main, print_version): Likewise.
(vnotice, notice, fnotice): New functions.
(vmessage): Remove.
(v_message_with_file_and_line, vsorry): Translate msgid with vnotice.
(v_message_with_file_and_line, v_message_with_decl): Use
report_file_and_line. Now takes int warning flag, not prefix;
this is easier to localize. All callers changed.
(v_message_with_decl): Abort if first format spec is neither %%
nor %s. Translate "((anonymous))".
(main): Set message locale.
(set_target_switch): Don't use `valid' as an identifier.
(__VERSION__): Reword message so it does not require localization.
(print_switch_values): Translate "options passed" and "enabled".
* tree.c (valid_machine_attribute): Don't use `valid' as identifier.
* xcoffout.c (xcoff_output_standard_types): Use `error' to
output diagnostic, so that it gets translated.
* 1750a.c (memop_valid): Don't use `valid' as an identifier.
* arc/initfini.c (__do_global_dtors): Put backslash before
newline in strings, to pacify xgettext.
* dsp16xx.c (dsp16xx_invalid_register_for_compare): New function.
* dsp16xx.h: Declare it.
* dsp16xx.md: Use it to report invalid registers.
* i370.h: Include <ctype.h>.
* i386.c: Include config.h first.
* m32r/initfini.c (__do_global_dtors): Put backslash before
newline in strings, to pacify xgettext.
* m88k/dguxbcs.h (CPP_SPEC): Likewise.
* rs6000.c: Include config.h first.
(rs6000_fatal_bad_address): New function.
* rs6000.h: Declare it.
* rs6000.md: Use it to report bad addresses.
* v850.c: Include config.h first.
* configure.in: When generating config.h and mentioning file from
the config directory, surround it with #ifdef IN_GCC.
(AC_ARG_ENABLE): Add --enable-nls.
(AM_GNU_GETTEXT): Add. Override XGETTEXT so that we use exgettext
instead of xgettext to extract strings.
(all_outputs): Add intl/Makefile, po/Makefile.in.
Do not use the shell variable 'l'.
If libintl.h is created, echo '#include "intl/libintl.h"' >libintl.h.
* cp/Make-lang.in (g++.o): Depend on gansidecl.h, intl.h, Makefile;
do not depend on config.status.
(GXX_OBJS): New var.
(g++$(exeext)): Link intl.o.
* cp/Makefile.in (top_builddir, INTLLIBS): New vars.
(LIBS): Add $(INTLLIBS).
* patch-apollo-includes: Remove; this is part of README.APOLLO.
Mon Jul 27 18:28:58 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): If no_input_reloads, abort if
reloads were made for addresses.
* m68k.md (sxx): Operand 0 cannot be memory.
Fri Jul 17 07:31:04 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* m68k.c (output_move_simode_const): Use subl to move 0 into addr reg.
(output_move_[hq]imode): Likewise.
* m68k.md (extend[sd]fxf2): Accept constants and general reg as
source operand if the destination is a floating point register.
Fri Jul 17 07:23:49 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
* reorg.c (check_annul_list_true_false): New function.
(steal_delay_list_from_{target,fallthrough}): Call it and also
refine tests for when we may annul if already filled a slot.
(fill_slots_from_thread): Likewise.
(delete_from_delay_slot): Return newly-created thread.
(try_merge_delay_isns): Use its new return value.
Sat Jul 4 11:07:33 1998 Eberhard Mattes <mattes@azu.informatik.uni-stuttgart.de>
* function.c (assign_parms): Handle PARALLEL which include stack.
Sat Jul 4 09:44:29 1998 Paul Edwards <avon@matra.com.au>
* tree.c, print-tree.c, c-lang.c: Include stdio.h before tree.h.
* expr.c (bc_expand_component_address): Correct args to
bc_push_offset_and_size.
* reload1.c (reload_cse_simplify_operands): Add missing return value.
Fri Jul 3 07:17:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* alpha.c (normal_memory_operand): Handle case when REG will be
eliminated by reload.
Thu Jul 2 18:43:53 1998 James Carlson <carlson@ironbridgenetworks.com>
* floatlib.c (HIDDEND_LL, MANTD_LL, PACKD_LL): New macros.
(__addsf3): Fixed cases returning wrong type and causing unintended
conversions and data corruption.
(__mulsf3): Fixed rounding flaws caused wrong scaling.
(__float{didf,sisf,disf},__fix{,uns}dfdi): New functions.
(__{gt,ge,lt,le,eq,ne}df2): Likewise.
(__truncdfsf2): Fixed normalization problems
(__fixunsdfsi): Fixed compiler warning
(__{add,sub,mul}df3): Rewrite to do real DP math.
(__divdf3): Removed previous version by Barrett Richardson.
Thu Jul 2 17:57:20 1998 Douglas B. Rupp <rupp@gnat.com>
* cpperror.c: Include errno.h.
Thu Jul 2 16:46:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>